阅读说明：本技术 一种利用工厂设备风能的风力发电装置及其使用方法 (Wind power generation device utilizing wind energy of factory equipment and use method thereof ) 是由 戚秀芝 周毅 于 2021-09-09 设计创作，主要内容包括：本发明涉及一种利用工厂设备风能的风力发电装置,排风管内设有两个相对称的滑动槽,滑动槽内弧形板远离通风口的一侧固定连接有连接板,连接板内多个螺栓靠近通风口的一端均与排风管螺纹连接,排风管内放置槽靠近通风口的一侧内壁转动贯穿连接有两个相对称的转轴,放置槽内壁转动连接有第一链轮,放置槽底部固定连接有第二链轮,两个转轴外壁均固定套设有第三链轮,放置槽内设有控制组件,转轴内设有与滑动槽一侧内壁转动连接的第一转动轴,第一转动轴的外壁连接多个聚风扇,转轴内设有用于更换第一转动轴和聚风扇的更换组件；解决现有车间排风口处风力发电装置容易受损,不方便更换扇叶,无法充分利用工厂设备产生风能,造成资源浪费的问题。(The invention relates to a wind power generation device utilizing wind energy of factory equipment, wherein two symmetrical sliding grooves are arranged in an exhaust pipe, one side of an arc plate in each sliding groove, which is far away from a vent, is fixedly connected with a connecting plate, one ends of a plurality of bolts in each connecting plate, which are close to the vent, are in threaded connection with the exhaust pipe, the inner wall of one side of a placing groove in the exhaust pipe, which is close to the vent, is rotatably connected with two symmetrical rotating shafts in a penetrating manner, the inner wall of the placing groove is rotatably connected with a first chain wheel, the bottom of the placing groove is fixedly connected with a second chain wheel, the outer walls of the two rotating shafts are fixedly sleeved with a third chain wheel, a control assembly is arranged in each placing groove, a first rotating shaft rotatably connected with the inner wall of one side of each sliding groove is arranged in each rotating shaft, the outer wall of each first rotating shaft is connected with a plurality of fan collectors, and a replacing assembly for replacing the first rotating shaft and the fan collectors is arranged in each rotating shaft; the problem of current workshop air vent department wind power generation set impaired easily, inconvenient change flabellum, unable make full use of factory equipment produces wind energy, causes the wasting of resources is solved.)

1. The utility model provides an utilize wind power generation set of factory equipment wind energy, includes exhaust pipe (1), its characterized in that, be equipped with vent (2) in exhaust pipe (1), be equipped with two symmetrical sliding tray (3) in exhaust pipe (1), and two sliding tray (3) all are linked together with vent (2), sliding connection has arc (4) in sliding tray (3), one side fixedly connected with connecting plate (36) that vent (2) were kept away from in arc (4), be equipped with a plurality of bolts (5) in connecting plate (36), and the one end that a plurality of bolts (5) are close to vent (2) all with exhaust pipe (1) threaded connection, be equipped with standing groove (6) in exhaust pipe (1), one side inner wall that standing groove (6) are close to vent (2) rotates through connection has two symmetrical pivot (10), and one end of the rotating shaft (10) close to the vent (2) extends into the sliding groove (3), one side inner wall of the placing groove (6) close to the vent (2) is rotatably connected with a first chain wheel (7), the bottom inner wall of the placing groove (6) is fixedly connected with a generator (8), an output shaft of the generator (8) is fixedly connected with a second chain wheel (9), the outer walls of the two rotating shafts (10) are fixedly sleeved with third chain wheels (11), the second chain wheel (9), the first chain wheel (7) and the two third chain wheels (11) are in transmission connection through chains (12), a control assembly for controlling the wind flow cross-sectional area in the vent (2) is arranged in the placing groove (6), a first rotating shaft (28) rotatably connected with the inner wall of one side of the sliding groove (3) is arranged in the rotating shaft (10), a plurality of fan collectors (29) are fixedly connected with the outer wall of the first rotating shaft (28) at equal intervals in an annular mode, and a replacing component for replacing the first rotating shaft (28) and the fan (29) is arranged in the rotating shaft (10).

2. The wind power generation device using the wind energy of the plant equipment according to claim 1, wherein the control component comprises a driving motor (35) fixedly connected to the inner wall of the bottom of the placing groove (6), a second rotating shaft (33) is transversely and rotatably connected to the inside of the ventilation opening (2), one end of the second rotating shaft (33) extends into the placing groove (6) and is fixedly connected to the output shaft of the driving motor (35), a gear (34) is fixedly sleeved on the outer wall of the second rotating shaft (33), two symmetrical baffles (31) are slidably connected to the inner wall of one side of the ventilation opening (2) away from each other, a rack (32) is fixedly connected to one side of the two baffles (31) close to each other, and the two racks (32) are engaged with the gear (34).

3. The wind power generation device using wind energy of factory equipment according to claim 1, wherein the replacement component comprises a cavity (13) arranged in a rotating shaft (10), a metal sliding rod (15) is transversely connected in the cavity (13) in a sliding manner, a plurality of sleeves (17) are arranged in the rotating shaft (10) at equal intervals in a ring shape by taking the metal sliding rod (15) as a circle center, one ends of the plurality of sleeves (17) close to each other are rotatably connected with a first rotating rod (16), one ends of the plurality of first rotating rods (16) close to each other are rotatably connected with the metal sliding rod (15), a pin (19) is slidably connected in the sleeve (17), a first spring (18) fixedly connected with the pin (19) is fixedly connected to the inner wall of one side of the sleeve (17) far away from the pin (19), a plurality of clamping grooves (14) matched with the pin (19) are arranged in the third chain wheel (11) at equal intervals in a ring shape by taking the metal sliding rod (15) as a circle center, the one side inner wall that cavity (13) kept away from each other is first electro-magnet (20) of fixedly connected with and second electro-magnet (21) respectively, and first electro-magnet (20) and metal slide bar (15) magnetism touch, one side inner wall that standing groove (6) are close to vent (2) uses pivot (10) as centre of a circle fixedly connected with friction speed reduction circle (24), use metal slide bar (15) to run through a plurality of slide bars (22) of sliding connection, a plurality of in pivot (10) as centre of a circle annular equidistance slide bar (15) are close to the one end of slide bar (22) and all rotate and are connected with second dwang (23), and the one end that slide bar (22) were kept away from in second dwang (23) rotates with metal slide bar (15) and is connected.

4. The wind power generation device using wind energy of factory equipment according to claim 3, wherein the inner wall of one side of the rotating shaft (10) close to the cavity (13) is fixedly connected with a plurality of second springs (25), the rotating shaft (10) is slidably connected with a sliding sleeve (26) fixedly connected with the second springs (25), the inner wall of the sliding sleeve (26) is provided with a plurality of semicircular blocks (27) in an annular and equidistant manner by taking the metal sliding rod (15) as a circle center, the outer wall of the first rotating shaft (28) is provided with a plurality of semicircular grooves (30) matched with the semicircular blocks (27) by taking the metal sliding rod (15) as a circle center, and one end of the first rotating shaft (28) close to the rotating shaft (10) extends into the sliding sleeve (26).

5. A wind power plant using wind energy of plant equipment according to claim 1, wherein a guide plate (40) is fixedly connected to an inner wall of one side of said arc-shaped plate (4) near said fan (29).

6. A wind power generation device using wind energy of plant equipment according to claim 3, wherein a fixing block (41) is fixedly connected to the inside of the cavity (13), and one end of the metal sliding rod (15) is slidably inserted through the fixing block (41).

7. A wind power plant using wind energy of plant equipment according to claim 3, wherein a friction pad (42) is fixedly connected to one end of said sliding rod (22) near said friction decelerating ring (24).

8. A wind power plant according to claim 4, wherein a cross plate (43) extending into the first rotation shaft (28) is fixedly connected to the inner wall of the sliding sleeve (26) near the second spring (25).

9. The wind power generation device using the wind energy of the plant equipment as claimed in claim 4, wherein the outer wall of one end of the first rotating shaft (28) close to the rotating shaft (10) is fixedly sleeved with an external thread section (37), the outer wall of the external thread section (37) is in threaded connection with a threaded sleeve (38), one side of the threaded sleeve (38) close to the sliding sleeve (26) is provided with a plurality of pulleys (39) in an annular and equidistant manner with the metal sliding rod (15) as a circle center, and the pulleys (39) are in contact with the sliding sleeve (26).

10. A use method of a wind power generation device using wind energy of plant equipment is characterized by comprising the following steps:

s1, air in a workshop enters the ventilation opening (2) through the exhaust fan and exhausts the air to the outside, the two fan collectors (29) and the first rotating shaft (28) are simultaneously pushed to rotate by wind power, the first rotating shaft (28) drives the sliding sleeve (26), the rotating shaft (10) and the third chain wheel (11) to rotate, the third chain wheel (11) drives the first chain wheel (7) and the second chain wheel (9) to rotate through the chain (12), and then the generator (8) can normally operate to start power generation;

s2, when the wind flowing in the vent (2) is too small to normally drive the fan (29) to rotate, the driving motor (35) is started to drive the second rotating shaft (33) to rotate, the gear (34) is meshed with the rack (32), and along with the rotation of the gear (34), the two baffles (31) respectively slide towards two sides, so that the wind flow cross-sectional area of the vent (2) is reduced, the wind speed in the vent (2) can be increased, and the fan (29) is driven to rotate;

s3, when the surface of the fan (29) is full of dust, the second electromagnet (21) is started, the first electromagnet (20) is closed, the second electromagnet (21) after being electrified generates strong magnetic force, the metal sliding rod (15) slides towards the sliding sleeve (26), the sliding sleeve (26) drives the first rotating rod (16) to rotate, the sleeve (17) drives the pin (19) to slide towards the middle, the pin (19) is separated from the clamping groove (14), the connection of the pin (19) to the third chain wheel (11) is released, the second rotating rod (23) is driven to rotate in the sliding process of the metal sliding rod (15), the second rotating rod (23) drives the sliding rod (22) to slide towards the outer side, the sliding rod (22) is further contacted with the friction speed reducing ring (24), and under the action of the friction speed reducing ring (24) and the sliding rod (22), the rotating shaft (10), the sliding sleeve (26) and the first rotating shaft (28) start to reduce speed until the first rotating shaft (28) and the rotating shaft (10) stop rotating, the first rotating shaft (28) and the fan (29) are convenient to replace in the later period, and the other first rotating shaft (28) and the other rotating shaft (10) can normally rotate, so that the generator (8) continues to generate electricity;

s4, loosening the bolt (5), taking out the corresponding arc-shaped plate (4) from the sliding groove (3) through the connecting plate (36), then rotating the threaded sleeve (38), wherein the threaded sleeve (38) is in threaded connection with the external thread section (37), along with the rotation of the threaded sleeve (38), the threaded sleeve (38) moves towards the rotating shaft (10) to start to extrude the sliding sleeve (26), so that the sliding sleeve (26) slides into the rotating shaft (10), the second spring (25) is in a compressed state, the semicircular block (27) and the cross plate (43) are separated from the first rotating shaft (28), and the first rotating shaft (28) and the fan (29) can be taken out from the sliding groove (3);

s5, the sliding sleeve (26) is pushed into the rotating shaft (10), the second spring (25) starts to compress, a new first rotating shaft (28) and the fan (29) are placed into the sliding groove (3), the semicircular block (27) corresponds to the semicircular groove (30), the threaded sleeve (38) is in contact with the sliding sleeve (26), then the threaded sleeve (38) is rotated reversely, the sliding sleeve (26) slides towards the first rotating shaft (28) under the action of the elastic force of the second spring (25), the semicircular block (27) and the cross plate (43) extend into the first rotating shaft (28) again, the second electromagnet (21) is closed, the first electromagnet (20) is started, the metal sliding rod (15) slides towards the first electromagnet (20) by the magnetic force generated by the first electromagnet (20), the second rotating rod (23) drives the sliding rod (22) to slide towards the middle, and the friction reduction ring (24) is released from braking on the rotating shaft (10), and the first rotating rod (16) drives the sleeve (17) and the pin (19) to slide outwards, the pin (19) firstly collides with the inner wall of the third chain wheel (11), the first spring (18) is in a compressed state at the moment, and when the pin (19) is aligned with the clamping groove (14), the pin (19) extends into the clamping groove (14) under the elastic force of the first spring (18) to reconnect the rotating shaft (10) and the third chain wheel (11).

Technical Field

The invention belongs to the technical field of wind power generation, and relates to a wind power generation device utilizing wind energy of factory equipment and a using method thereof.

Background

With the popularization of environmental protection knowledge, energy conservation and environmental protection are important development directions in all industries. The wind power generation utilizes wind energy to generate electricity, has low power generation cost and convenient equipment maintenance, and is widely applied to various small-electric-quantity power generation occasions to save electric energy.

In the industrial production field, a factory workshop is generally wide, workers and production machinery are simultaneously located in the workshop, air turbidity and temperature and humidity imbalance of the workshop are easily caused, the health of the workers is influenced, the operation of the production machinery is also influenced, the workshop is often required to be ventilated and ventilated in order to keep the balance of the temperature and the humidity and the freshness of the air in the workshop, and the workshop discharges air outwards, so that the workshop has the characteristics of large air volume, stable air discharge and the like.

In the prior art, the outward exhaust of a workshop is directly exhausted to the outside through an exhaust pipe, and a wind power generation device is installed at an external exhaust port, but the wind power generation device is located outside for a long time and is easily corroded and damaged by wind and rain, and the air in the workshop contains a large amount of dust which is accumulated on the surface layer of a fan blade of the wind power generation device during the exhaust, so that the normal operation of the wind power generation device is influenced, in addition, the factory workshop continuously produces and processes for a long time, further the workshop needs to exhaust the air to the outside all the time, when the surface layer of the fan blade is accumulated with too much dust to influence the normal operation of the fan blade or the fan blade is damaged, the fan blade cannot be replaced in time to influence the power generation efficiency, so that the resource waste is caused, because the wind speed of the outward exhaust is unstable, when the wind power is small, the wind power generation device cannot normally operate to generate power, wind energy cannot be fully utilized.

Disclosure of Invention

In view of the above, the invention provides a wind power generation device using wind energy of factory equipment and a use method thereof, in order to solve the problems that the existing wind power generation device at an air outlet of a workshop is easy to damage, is inconvenient to replace fan blades, cannot fully utilize the wind energy generated by the factory equipment and causes resource waste.

In order to achieve the purpose, the invention provides the following technical scheme:

a wind power generation device utilizing wind energy of factory equipment comprises an exhaust pipe, wherein a vent is arranged in the exhaust pipe, two symmetrical sliding grooves are arranged in the exhaust pipe, the two sliding grooves are communicated with the vent, an arc plate is connected in the sliding grooves in a sliding mode, one side, far away from the vent, of the arc plate is fixedly connected with a connecting plate, a plurality of bolts are arranged in the connecting plate, one ends, close to the vent, of the bolts are in threaded connection with the exhaust pipe, a placing groove is arranged in the exhaust pipe, one side, close to the vent, of the inner wall of the placing groove is in rotating penetrating connection with two symmetrical rotating shafts, one end, close to the vent, of the rotating shafts extends into the sliding grooves, one side, close to the vent, of the placing groove is in rotating connection with a first chain wheel, the bottom inner wall of the placing groove is fixedly connected with a generator, and an output shaft of the generator is fixedly connected with a second chain wheel, two the pivot is that the outer wall is all fixed cover and is equipped with the third sprocket, connect through chain drive between second sprocket, first sprocket and two third sprockets, be equipped with the control assembly who is used for controlling wind-force flow cross sectional area in the vent in the standing groove, be equipped with the first pivot axis of being connected with the rotation of sliding tray one side inner wall in the pivot, a plurality of fan of gathering of outer wall annular equidistance fixedly connected with of first pivot axis, be equipped with the change subassembly that is used for changing first pivot axis and gathering the fan in the pivot.

Further, the control assembly includes fixed connection at the driving motor of holding tank bottom inner wall, it is transversely to rotate in the vent is connected with the second axis of rotation, and the one end of second axis of rotation extend to in the holding tank and with driving motor's output shaft fixed connection, the fixed cover of outer wall of second axis of rotation is equipped with the gear, one side inner wall sliding connection that the vent was kept away from each other has two symmetrical baffles, two the equal fixedly connected with rack in one side that the baffle is close to each other, two the rack all meshes with the gear mutually.

Further, the replacement component comprises a cavity arranged in the rotating shaft, a metal sliding rod is connected in the cavity in a transverse sliding manner, a plurality of sleeves are arranged in the rotating shaft by taking the metal sliding rod as a circle center annular equal distance, one ends of the sleeves, which are close to each other, are all rotatably connected with a first rotating rod, one ends of the first rotating rods, which are close to each other, are all rotatably connected with the metal sliding rod, pins are slidably connected in the sleeves, one inner wall, which is far away from the pins, of each sleeve is fixedly connected with a first spring fixedly connected with the corresponding pin, a plurality of clamping grooves matched with the corresponding pins are arranged in the third chain wheel by taking the metal sliding rod as the circle center annular equal distance, one inner wall, which is far away from each cavity, is respectively and fixedly connected with a first electromagnet and a second electromagnet, the first electromagnet is in magnetic contact with the metal sliding rod, one inner wall, which is close to the vent, of the placing groove is fixedly connected with a friction speed reducing ring by taking the rotating shaft as the circle center, use metal slide bar as a centre of a circle annular equidistance in the pivot to run through a plurality of slide bars of sliding connection, it is a plurality of the one end that the slide bar is close to metal slide bar all rotates and is connected with the second dwang, and the one end that the slide bar was kept away from to the second dwang rotates with metal slide bar and is connected.

Further, the pivot is close to a plurality of second springs of one side inner wall fixedly connected with of cavity, sliding connection has the sliding sleeve with second spring fixed connection in the pivot, the inner wall of sliding sleeve uses the metal slide bar to be equipped with a plurality of semicircle pieces as centre of a circle annular equidistance, the outer wall of first axis of rotation uses the metal slide bar to be equipped with a plurality of and semicircle piece matched with half slots as the centre of a circle, and the one end that first axis of rotation is close to the pivot extends to in the sliding sleeve.

Further, the inner wall of one side of the arc-shaped plate close to the fan gathering is fixedly connected with the guide plate, when wind enters the sliding groove, the curved surface of the arc-shaped plate and the guide plate can guide the wind, so that the wind energy can continue to be aligned with the fan gathering to blow, and the wind energy can be fully utilized.

Further, fixedly connected with fixed block in the cavity, and the one end of metal slide bar slides and runs through the fixed block, can play the stabilizing action to the metal slide bar through the fixed block, appear rocking when avoiding the metal slide bar to slide.

Furthermore, the sliding rod is close to one end fixedly connected with friction pad of friction speed reducing circle, can increase the frictional force between sliding rod and the friction speed reducing circle through the friction pad, can be quick make the pivot slow down and stop.

Further, the inner wall of one side of the sliding sleeve, which is close to the second spring, is fixedly connected with a cross plate extending into the first rotating shaft, and the stability of the first rotating shaft can be increased by extending the cross plate into the first rotating shaft.

Further, the outer screw thread section is established to the one end outer wall fixed cover that first axis of rotation is close to the pivot, the outer wall threaded connection of outer screw thread section has the thread bush, one side that the thread bush is close to the sliding sleeve uses the metal slide bar to be equipped with a plurality of pulleys as centre of a circle annular equidistance, and the pulley touches with the sliding sleeve mutually, makes the thread bush move to the pivot direction through rotating the thread bush to promote the sliding sleeve to slide to the pivot direction, remove the card system of sliding sleeve to first axis of rotation, and then conveniently take out first axis of rotation from the sliding tray, change first axis of rotation and gather the fan.

A use method of a wind power generation device utilizing wind energy of plant equipment comprises the following steps:

s1, air in a workshop enters the ventilation opening through the exhaust fan and exhausts the air to the outside, the two fan collectors and the first rotating shaft are simultaneously pushed to rotate by wind power, the first rotating shaft drives the sliding sleeve, the rotating shaft and the third chain wheel to rotate, and the third chain wheel drives the first chain wheel and the second chain wheel to rotate through the chain, so that the generator can normally operate and start to generate electricity;

s2, when the wind power flowing in the vent is too small to normally drive the fan to rotate, the driving motor is started to drive the second rotating shaft to rotate, the gear is meshed with the rack, and the two baffles slide towards two sides respectively along with the rotation of the gear, so that the wind power flow cross-sectional area of the vent is reduced, the wind speed in the vent can be increased, and the purpose of driving the fan to rotate is achieved;

s3, when the surface of the wind gathering fan is full of dust, a second electromagnet is started, the first electromagnet is closed, the second electromagnet after being electrified generates strong magnetic force, so that the metal sliding rod slides towards the sliding sleeve, the sliding sleeve drives the first rotating rod to rotate, the sleeve drives the pin to slide towards the middle, the pin is separated from the clamping groove, the connection of the pin to the third chain wheel is released, the second rotating rod is driven to rotate in the sliding process of the metal sliding rod, the second rotating rod drives the sliding rod to slide towards the outer side, the sliding rod is further in contact with the friction speed reducing ring, and under the action of the friction speed reducing ring and the sliding rod, the rotating shaft, the sliding sleeve and the first rotating shaft start to reduce speed until the first rotating shaft and the rotating shaft stop rotating, the first rotating shaft and the wind gathering fan can be conveniently replaced in the later period, and the other first rotating shaft and the rotating shaft can normally rotate, so that the generator continues to generate electricity;

s4, loosening the bolt, taking out the corresponding arc-shaped plate from the sliding groove through the connecting plate, then rotating the threaded sleeve, connecting the threaded sleeve with the external thread section in a threaded manner, moving the threaded sleeve to the rotating shaft direction along with the rotation of the threaded sleeve to start extruding the sliding sleeve, so that the sliding sleeve slides into the rotating shaft, enabling the second spring to be in a compressed state, separating the semicircular block and the cross plate from the first rotating shaft, and further taking out the first rotating shaft and the fan out of the sliding groove;

s5, pushing the sliding sleeve into the rotating shaft, compressing the second spring, putting the new first rotating shaft and the new fan into the sliding groove, making the semicircular block and the semicircular groove correspond to each other, at the moment, contacting the threaded sleeve with the sliding sleeve, then reversely rotating the threaded sleeve, sliding the sliding sleeve in the direction of the first rotating shaft under the action of the elastic force of the second spring, extending the semicircular block and the cross plate into the first rotating shaft again, closing the second electromagnet to start the first electromagnet, sliding the metal sliding rod in the direction of the first electromagnet by the magnetic force generated by the first electromagnet, sliding the sliding rod in the middle driven by the second rotating rod, releasing the brake of the friction decelerating ring on the rotating shaft, sliding the sleeve and the pin outwards by the first rotating rod, contacting the pin with the inner wall of the third chain wheel, at the moment, the first spring is in a compressed state, when the pin is aligned with the clamping groove, extending the pin into the clamping groove under the action of the elastic force of the first spring, the shaft is reconnected to the third sprocket.

The invention has the beneficial effects that:

1. according to the wind power generation device utilizing the wind energy of the factory equipment, the driving motor is started to drive the second rotating shaft to rotate, the two baffles slide towards two sides along with the rotation of the gear respectively, and the wind flow cross-sectional area of the ventilation opening is further reduced, so that the wind speed in the ventilation opening can be increased, the purpose of driving the fan to rotate is achieved, even if the wind power is small, the fan can be driven to rotate, the generator can normally generate power, and the wind energy is fully utilized.

2. According to the wind power generation device utilizing the wind energy of the factory equipment, the first electromagnet is closed by starting the second electromagnet, the second electromagnet after being electrified generates strong magnetic force, so that the metal sliding rod slides towards the sliding sleeve, the sliding sleeve drives the first rotating rod to rotate, the sleeve drives the pin to slide towards the middle, the pin is separated from the clamping groove, the connection of the pin to the third chain wheel is released, the third chain wheel is prevented from continuously driving the rotating shaft in the later period, and the first rotating shaft and the fan are conveniently replaced in the later period.

3. According to the wind power generation device utilizing the wind energy of the factory equipment, the second rotating rod is driven to rotate in the sliding process of the metal sliding rod, the second rotating rod drives the sliding rod to slide outwards, so that the sliding rod is in contact with the friction speed reducing ring, and further under the action of the friction speed reducing ring and the sliding rod, the rotating shaft, the sliding sleeve and the first rotating shaft start to decelerate until the first rotating shaft and the rotating shaft stop rotating, so that the first rotating shaft and the fan can be conveniently replaced in the later period, and the other first rotating shaft and the other rotating shaft can normally rotate, so that the generator continues to generate power.

4. According to the wind power generation device utilizing the wind energy of the factory equipment, the first rotating shaft, the wind gathering fan and the generator are arranged in the exhaust pipe, so that the wind gathering fan and the generator are prevented from being damaged and causing economic loss due to the fact that the wind gathering fan and the generator are exposed outside for a long time and are subjected to sun and rain.

5. The wind power generation device utilizing the wind energy of the factory equipment, disclosed by the invention, has the advantages that the fan and the generator are arranged in the exhaust pipe, so that the fan and the generator are prevented from being damaged outside, the economic loss is caused, the cross section area of the wind flow in the ventilation opening can be adjusted according to the wind speed condition in the ventilation opening, the wind energy is fully utilized, in addition, when the fan is damaged or the surface of the fan is fully covered with dust to influence the rotation of the first rotating shaft, the replacement can be carried out quickly and easily, and the normal power generation of the generator is not influenced in the replacement process.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.

Drawings

For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:

FIG. 1 is a front sectional view of a wind power generation apparatus using wind power of plant equipment according to the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 2 in accordance with the present invention;

FIG. 4 is a cross-sectional view taken along line C-C of FIG. 1 in accordance with the present invention;

FIG. 5 is an enlarged view taken at D of FIG. 4 in accordance with the present invention;

FIG. 6 is an enlarged view of FIG. 1 at E according to the present invention;

FIG. 7 is a three-dimensional view of a sliding sleeve in a wind power generation apparatus using wind energy of plant equipment according to the present invention;

fig. 8 is a sectional view of a first rotating shaft and a sliding sleeve in a wind power generation apparatus using wind energy of plant facilities according to the present invention.

Reference numerals: 1. an exhaust duct; 2. a vent; 3. a sliding groove; 4. an arc-shaped plate; 5. a bolt; 6. a placement groove; 7. a first sprocket; 8. a generator; 9. a second sprocket; 10. a rotating shaft; 11. a third sprocket; 12. a chain; 13. a cavity; 14. a card slot; 15. a metal slide bar; 16. a first rotating lever; 17. a sleeve; 18. a first spring; 19. a pin; 20. a first electromagnet; 21. a second electromagnet; 22. a slide bar; 23. a second rotating lever; 24. a friction decelerating ring; 25. a second spring; 26. a sliding sleeve; 27. a semicircular block; 28. a first rotating shaft; 29. a fan collector; 30. a semicircular groove; 31. a baffle plate; 32. a rack; 33. a second rotating shaft; 34. a gear; 35. a drive motor; 36. a connecting plate; 37. an external threaded section; 38. a threaded sleeve; 39. a pulley; 40. a guide plate; 41. a fixed block; 42. a friction pad; 43. a cross plate.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.

Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.

Example one

As shown in figures 1-7, a wind power generation device using wind energy of factory equipment comprises an exhaust pipe 1, a vent 2 is arranged in the exhaust pipe 1, two symmetrical sliding grooves 3 are arranged in the exhaust pipe 1, both the two sliding grooves 3 are communicated with the vent 2, an arc plate 4 is slidably connected in the sliding grooves 3, one side of the arc plate 4 far away from the vent 2 is fixedly connected with a connecting plate 36, a plurality of bolts 5 are arranged in the connecting plate 36, one ends of the bolts 5 close to the vent 2 are both in threaded connection with the exhaust pipe 1, a placing groove 6 is arranged in the exhaust pipe 1, the inner wall of one side of the placing groove 6 close to the vent 2 is rotatably connected with two symmetrical rotating shafts 10 in a penetrating way, one end of the rotating shaft 10 close to the vent 2 extends into the sliding groove 3, the inner wall of one side of the placing groove 6 close to the vent 2 is rotatably connected with a first chain wheel 7, the inner wall of the bottom of the placing groove 6 is fixedly connected with a generator 8, output shaft fixedly connected with second sprocket 9 of generator 8, two pivot 10 are that the outer wall is the equal fixed cover of outer wall and is equipped with third sprocket 11, second sprocket 9, connect through the transmission of chain 12 between first sprocket 7 and two third sprocket 11, be equipped with the control assembly who is used for controlling 2 interior airflow cross sectional areas of vent in the standing groove 6, be equipped with in the pivot 10 with 3 one side inner wall rotation of sliding tray first rotation axis 28 of being connected, a plurality of fan 29 that gather of outer wall annular equidistance fixedly connected with of first rotation axis 28, be equipped with the change subassembly that is used for changing first rotation axis 28 and fan 29 that gathers in the pivot 10.

In the invention, the first rotating shaft 28, the fan 29 and the generator 8 are arranged in the exhaust duct 1, so that the fan 29 and the generator 8 are prevented from being exposed outside for a long time and being exposed to the sun and rain, the fan 29 and the generator 8 are prevented from being damaged, and economic loss is avoided.

According to the invention, the control assembly comprises a driving motor 35 fixedly connected to the inner wall of the bottom of the placing groove 6, a second rotating shaft 33 is transversely and rotatably connected to the inside of the vent 2, one end of the second rotating shaft 33 extends into the placing groove 6 and is fixedly connected with an output shaft of the driving motor 35, a gear 34 is fixedly sleeved on the outer wall of the second rotating shaft 33, two symmetrical baffles 31 are slidably connected to the inner wall of one side, away from each other, of the vent 2, racks 32 are fixedly connected to one sides, close to each other, of the two baffles 31, and the two racks 32 are meshed with the gear 34.

In the invention, the driving motor 35 is started to drive the second rotating shaft 33 to rotate, the two baffles 31 slide towards two sides along with the rotation of the gear 34, and further the wind flow cross-sectional area of the ventilation opening 2 is reduced, so that the wind speed in the ventilation opening 2 can be increased, the aim of driving the fan collector 29 to rotate is fulfilled, even if the wind power is small, the fan collector 29 can be driven to rotate, the generator 8 can normally generate power, and the wind energy is fully utilized.

In the invention, the replacing component comprises a cavity 13 arranged in a rotating shaft 10, a metal slide bar 15 is connected in the cavity 13 in a transverse sliding manner, a plurality of sleeves 17 are annularly and equidistantly arranged in the rotating shaft 10 by taking the metal slide bar 15 as a circle center, one ends of the plurality of sleeves 17 close to each other are rotatably connected with a first rotating rod 16, one ends of the plurality of first rotating rods 16 close to each other are rotatably connected with the metal slide bar 15, pins 19 are slidably connected in the sleeves 17, a first spring 18 fixedly connected with the pins 19 is fixedly connected with the inner wall of one side of the sleeve 17 far away from the pins 19, a plurality of clamping grooves 14 matched with the pins 19 are annularly and equidistantly arranged in a third chain wheel 11 by taking the metal slide bar 15 as a circle center, a first electromagnet 20 and a second electromagnet 21 are respectively and fixedly connected with the inner wall of one side of the cavity 13 far away from each other, the first electromagnet 20 is in magnetic contact with the metal slide bar 15, a friction speed reducing ring 24 is fixedly connected with the inner wall of one side of the placing groove 6 close to the vent 2 by taking the rotating shaft 10 as a circle center, the rotating shaft 10 is internally provided with a plurality of sliding rods 22 which are annularly and equidistantly connected in a penetrating manner by taking the metal sliding rod 15 as a circle center, one ends of the sliding rods 22 close to the metal sliding rod 15 are all rotatably connected with a second rotating rod 23, and one end of the second rotating rod 23 far away from the sliding rod 22 is rotatably connected with the metal sliding rod 15.

In the invention, the first electromagnet 20 is closed by starting the second electromagnet 21, the second electromagnet 21 after being electrified generates strong magnetic force, so that the metal sliding rod 15 slides towards the sliding sleeve 26, the sliding sleeve 26 drives the first rotating rod 16 to rotate, the sleeve 17 drives the pin 19 to slide towards the middle, the pin 19 is separated from the clamping groove 14, the connection of the pin 19 to the third chain wheel 11 is released, the third chain wheel 11 is prevented from continuously driving the rotating shaft 10 in the later period, and the first rotating shaft 28 and the wind gathering fan 29 are convenient to replace in the later period.

In the invention, the second rotating rod 23 is driven to rotate in the sliding process of the metal sliding rod 15, the second rotating rod 23 drives the sliding rod 22 to slide outwards, so that the sliding rod 22 is in contact with the friction speed reducing ring 24, and under the action of the friction speed reducing ring 24 and the sliding rod 22, the rotating shaft 10, the sliding sleeve 26 and the first rotating shaft 28 start to decelerate until the first rotating shaft 28 and the rotating shaft 10 stop rotating, so that the first rotating shaft 28 and the wind gathering fan 29 can be conveniently replaced in the later period, and the other first rotating shaft 28 and the other rotating shaft 10 can normally rotate, so that the generator 8 can continue to generate electricity.

In the invention, a plurality of second springs 25 are fixedly connected to the inner wall of one side of the rotating shaft 10 close to the cavity 13, a sliding sleeve 26 fixedly connected with the second springs 25 is slidably connected to the rotating shaft 10, a plurality of semicircular blocks 27 are annularly and equidistantly arranged on the inner wall of the sliding sleeve 26 by taking the metal sliding rod 15 as a center of a circle, a plurality of semicircular grooves 30 matched with the semicircular blocks 27 are arranged on the outer wall of the first rotating shaft 28 by taking the metal sliding rod 15 as a center of a circle, and one end of the first rotating shaft 28 close to the rotating shaft 10 extends into the sliding sleeve 26.

In the invention, the guide plate 40 is fixedly connected to the inner wall of one side of the arc-shaped plate 4 close to the fan 29, when wind enters the sliding groove 3, the curved surface of the arc-shaped plate 4 and the guide plate 40 can guide the wind, so that the wind energy can be continuously blown to the fan 29, and the wind energy can be fully utilized.

In the invention, the fixing block 41 is fixedly connected in the cavity 13, one end of the metal sliding rod 15 penetrates through the fixing block 41 in a sliding manner, the fixing block 41 can stabilize the metal sliding rod 15, and the metal sliding rod 15 is prevented from shaking when sliding.

In the present invention, a friction pad 42 is fixedly connected to one end of the sliding rod 22 close to the friction speed reducing ring 24, and the friction force between the sliding rod 22 and the friction speed reducing ring 24 can be increased by the friction pad 42, so that the rotating shaft 10 can be rapidly decelerated and stopped.

In the present invention, a cross plate 43 extending into the first rotating shaft 28 is fixedly connected to an inner wall of the sliding sleeve 26 near the second spring 25, and the stability of the first rotating shaft 28 can be increased by extending the cross plate 43 into the first rotating shaft 28.

Example two

As a further improvement of the previous embodiment, as shown in fig. 1-8, a wind power generation device using wind energy of plant equipment includes an exhaust duct 1, a vent 2 is disposed in the exhaust duct 1, two symmetrical sliding grooves 3 are disposed in the exhaust duct 1, and both the two sliding grooves 3 are communicated with the vent 2, an arc plate 4 is slidably connected in the sliding grooves 3, a connecting plate 36 is fixedly connected to one side of the arc plate 4 away from the vent 2, a plurality of bolts 5 are disposed in the connecting plate 36, and one ends of the plurality of bolts 5 close to the vent 2 are both in threaded connection with the exhaust duct 1, a placement groove 6 is disposed in the exhaust duct 1, two symmetrical rotating shafts 10 are rotatably connected to an inner wall of one side of the placement groove 6 close to the vent 2, and one end of the rotating shaft 10 close to the vent 2 extends into the sliding grooves 3, and a first sprocket 7 is rotatably connected to an inner wall of one side of the placement groove 6 close to the vent 2, bottom inner wall fixedly connected with generator 8 of standing groove 6, generator 8's output shaft fixedly connected with second sprocket 9, two pivot 10 are that the equal fixed cover of outer wall is equipped with third sprocket 11, second sprocket 9, connect through chain 12 transmission between first sprocket 7 and two third sprockets 11, be equipped with the control assembly who is used for controlling 2 interior airflow cross sectional areas of vent in the standing groove 6, be equipped with in the pivot 10 with 3 one side inner wall rotation of sliding tray be connected first pivot 28, a plurality of fan 29 that gather of outer wall annular equidistance fixedly connected with of first pivot 28, be equipped with the change subassembly that is used for changing first pivot 28 and gathers fan 29 in the pivot 10.

In the invention, the first rotating shaft 28, the fan 29 and the generator 8 are arranged in the exhaust duct 1, so that the fan 29 and the generator 8 are prevented from being exposed outside for a long time and being exposed to the sun and rain, the fan 29 and the generator 8 are prevented from being damaged, and economic loss is avoided.

According to the invention, the control assembly comprises a driving motor 35 fixedly connected to the inner wall of the bottom of the placing groove 6, a second rotating shaft 33 is transversely and rotatably connected to the inside of the vent 2, one end of the second rotating shaft 33 extends into the placing groove 6 and is fixedly connected with an output shaft of the driving motor 35, a gear 34 is fixedly sleeved on the outer wall of the second rotating shaft 33, two symmetrical baffles 31 are slidably connected to the inner wall of one side, away from each other, of the vent 2, racks 32 are fixedly connected to one sides, close to each other, of the two baffles 31, and the two racks 32 are meshed with the gear 34.

In the invention, the driving motor 35 is started to drive the second rotating shaft 33 to rotate, the two baffles 31 slide towards two sides along with the rotation of the gear 34, and further the wind flow cross-sectional area of the ventilation opening 2 is reduced, so that the wind speed in the ventilation opening 2 can be increased, the aim of driving the fan collector 29 to rotate is fulfilled, even if the wind power is small, the fan collector 29 can be driven to rotate, the generator 8 can normally generate power, and the wind energy is fully utilized.

In the invention, the replacing component comprises a cavity 13 arranged in a rotating shaft 10, a metal slide bar 15 is connected in the cavity 13 in a transverse sliding manner, a plurality of sleeves 17 are annularly and equidistantly arranged in the rotating shaft 10 by taking the metal slide bar 15 as a circle center, one ends of the plurality of sleeves 17 close to each other are rotatably connected with a first rotating rod 16, one ends of the plurality of first rotating rods 16 close to each other are rotatably connected with the metal slide bar 15, pins 19 are slidably connected in the sleeves 17, a first spring 18 fixedly connected with the pins 19 is fixedly connected with the inner wall of one side of the sleeve 17 far away from the pins 19, a plurality of clamping grooves 14 matched with the pins 19 are annularly and equidistantly arranged in a third chain wheel 11 by taking the metal slide bar 15 as a circle center, a first electromagnet 20 and a second electromagnet 21 are respectively and fixedly connected with the inner wall of one side of the cavity 13 far away from each other, the first electromagnet 20 is in magnetic contact with the metal slide bar 15, a friction speed reducing ring 24 is fixedly connected with the inner wall of one side of the placing groove 6 close to the vent 2 by taking the rotating shaft 10 as a circle center, the rotating shaft 10 is internally provided with a plurality of sliding rods 22 which are annularly and equidistantly connected in a penetrating manner by taking the metal sliding rod 15 as a circle center, one ends of the sliding rods 22 close to the metal sliding rod 15 are all rotatably connected with a second rotating rod 23, and one end of the second rotating rod 23 far away from the sliding rod 22 is rotatably connected with the metal sliding rod 15.

In the invention, the first electromagnet 20 is closed by starting the second electromagnet 21, the second electromagnet 21 after being electrified generates strong magnetic force, so that the metal sliding rod 15 slides towards the sliding sleeve 26, the sliding sleeve 26 drives the first rotating rod 16 to rotate, the sleeve 17 drives the pin 19 to slide towards the middle, the pin 19 is separated from the clamping groove 14, the connection of the pin 19 to the third chain wheel 11 is released, the third chain wheel 11 is prevented from continuously driving the rotating shaft 10 in the later period, and the first rotating shaft 28 and the wind gathering fan 29 are convenient to replace in the later period.

In the invention, the second rotating rod 23 is driven to rotate in the sliding process of the metal sliding rod 15, the second rotating rod 23 drives the sliding rod 22 to slide outwards, so that the sliding rod 22 is in contact with the friction speed reducing ring 24, and under the action of the friction speed reducing ring 24 and the sliding rod 22, the rotating shaft 10, the sliding sleeve 26 and the first rotating shaft 28 start to decelerate until the first rotating shaft 28 and the rotating shaft 10 stop rotating, so that the first rotating shaft 28 and the wind gathering fan 29 can be conveniently replaced in the later period, and the other first rotating shaft 28 and the other rotating shaft 10 can normally rotate, so that the generator 8 can continue to generate electricity.

In the invention, a plurality of second springs 25 are fixedly connected to the inner wall of one side of the rotating shaft 10 close to the cavity 13, a sliding sleeve 26 fixedly connected with the second springs 25 is slidably connected to the rotating shaft 10, a plurality of semicircular blocks 27 are annularly and equidistantly arranged on the inner wall of the sliding sleeve 26 by taking the metal sliding rod 15 as a center of a circle, a plurality of semicircular grooves 30 matched with the semicircular blocks 27 are arranged on the outer wall of the first rotating shaft 28 by taking the metal sliding rod 15 as a center of a circle, and one end of the first rotating shaft 28 close to the rotating shaft 10 extends into the sliding sleeve 26.

In the invention, the guide plate 40 is fixedly connected to the inner wall of one side of the arc-shaped plate 4 close to the fan 29, when wind enters the sliding groove 3, the curved surface of the arc-shaped plate 4 and the guide plate 40 can guide the wind, so that the wind energy can be continuously blown to the fan 29, and the wind energy can be fully utilized.

In the invention, the fixing block 41 is fixedly connected in the cavity 13, one end of the metal sliding rod 15 penetrates through the fixing block 41 in a sliding manner, the fixing block 41 can stabilize the metal sliding rod 15, and the metal sliding rod 15 is prevented from shaking when sliding.

In the present invention, a friction pad 42 is fixedly connected to one end of the sliding rod 22 close to the friction speed reducing ring 24, and the friction force between the sliding rod 22 and the friction speed reducing ring 24 can be increased by the friction pad 42, so that the rotating shaft 10 can be rapidly decelerated and stopped.

In the present invention, a cross plate 43 extending into the first rotating shaft 28 is fixedly connected to an inner wall of the sliding sleeve 26 near the second spring 25, and the stability of the first rotating shaft 28 can be increased by extending the cross plate 43 into the first rotating shaft 28.

In the invention, an external thread section 37 is fixedly sleeved on the outer wall of one end of the first rotating shaft 28 close to the rotating shaft 10, a thread sleeve 38 is connected to the outer wall of the external thread section 37 in a threaded manner, a plurality of pulleys 39 are annularly and equidistantly arranged on one side of the thread sleeve 38 close to the sliding sleeve 26 by taking the metal slide rod 15 as a circle center, the pulleys 39 are in contact with the sliding sleeve 26, the thread sleeve 38 moves towards the rotating shaft 10 by rotating the thread sleeve 38, so that the sliding sleeve 26 is pushed to slide towards the rotating shaft 10, the clamping of the sliding sleeve 26 on the first rotating shaft 28 is released, the first rotating shaft 28 is conveniently taken out from the sliding groove 3, and the first rotating shaft 28 and the air gathering fan 29 are replaced.

The advantages of the second embodiment over the first embodiment are: an external thread section 37 is fixedly sleeved on the outer wall of one end of the first rotating shaft 28 close to the rotating shaft 10, a thread sleeve 38 is connected to the outer wall of the external thread section 37 in a threaded manner, a plurality of pulleys 39 are annularly and equidistantly arranged on one side of the thread sleeve 38 close to the sliding sleeve 26 by taking the metal sliding rod 15 as a center, the pulleys 39 are in contact with the sliding sleeve 26, the thread sleeve 38 is moved towards the rotating shaft 10 by rotating the thread sleeve 38, so that the sliding sleeve 26 is pushed to slide towards the rotating shaft 10, the clamping of the sliding sleeve 26 on the first rotating shaft 28 is released, the first rotating shaft 28 is conveniently taken out from the sliding groove 3, and the first rotating shaft 28 and the air gathering fan 29 are replaced.

A use method of a wind power generation device utilizing wind energy of plant equipment comprises the following steps:

s1, air in a workshop enters the ventilation opening 2 through the exhaust fan and exhausts the air to the outside, the two fan collectors 29 and the first rotating shaft 28 are simultaneously pushed to rotate by wind power, the first rotating shaft 28 drives the sliding sleeve 26, the rotating shaft 10 and the third chain wheel 11 to rotate, the third chain wheel 11 drives the first chain wheel 7 and the second chain wheel 9 to rotate through the chain 12, and then the generator 8 starts to generate electricity when running normally;

s2, when the wind power flowing in the vent 2 is too small to normally drive the fan 29 to rotate, the driving motor 35 is started to drive the second rotating shaft 33 to rotate, the gear 34 is meshed with the rack 32, and the two baffles 31 slide towards two sides along with the rotation of the gear 34, so that the wind power flow cross-sectional area of the vent 2 is reduced, the wind speed in the vent 2 can be increased, and the purpose of driving the fan 29 to rotate is achieved;

s3, when the surface of the fan 29 is full of dust, the second electromagnet 21 is started, the first electromagnet 20 is closed, the second electromagnet 21 after being electrified generates strong magnetic force, so that the metal slide bar 15 slides towards the slide sleeve 26, the slide sleeve 26 drives the first rotating rod 16 to rotate, the sleeve 17 drives the pin 19 to slide towards the middle, the pin 19 is separated from the slot 14, the connection of the pin 19 to the third sprocket 11 is released, the second rotating rod 23 is driven to rotate in the sliding process of the metal slide bar 15, the second rotating rod 23 drives the sliding rod 22 to slide towards the outer side, the sliding rod 22 is further contacted with the friction decelerating ring 24, further under the action of the friction decelerating ring 24 and the sliding rod 22, the rotating shaft 10, the slide sleeve 26 and the first rotating shaft 28 start decelerating until the first rotating shaft 28 and the rotating shaft 10 stop rotating, the first rotating shaft 28 and the fan 29 are convenient to replace at the later period, and the other first rotating shaft 28 and the rotating shaft 10 can normally rotate, the generator 8 continues to generate electricity;

s4, loosening the bolt 5, taking out the corresponding arc-shaped plate 4 from the sliding groove 3 through the connecting plate 36, then rotating the threaded sleeve 38, wherein the threaded sleeve 38 is in threaded connection with the external threaded section 37, and along with the rotation of the threaded sleeve 38, the threaded sleeve 38 moves towards the rotating shaft 10 to start extruding the sliding sleeve 26, so that the sliding sleeve 26 slides into the rotating shaft 10, the second spring 25 is in a compressed state, the semi-circular block 27 and the cross plate 43 are separated from the first rotating shaft 28, and the first rotating shaft 28 and the fan 29 can be taken out from the sliding groove 3;

s5, the sliding sleeve 26 is pushed into the rotating shaft 10, the second spring 25 starts to compress, a new first rotating shaft 28 and a new fan 29 are put into the sliding groove 3, the semi-circular block 27 corresponds to the semi-circular groove 30, the threaded sleeve 38 is contacted with the sliding sleeve 26 at the moment, then the threaded sleeve 38 is rotated reversely, the sliding sleeve 26 slides towards the first rotating shaft 28 under the action of the elastic force of the second spring 25, the semi-circular block 27 and the cross plate 43 extend into the first rotating shaft 28 again, the second electromagnet 21 is closed to start the first electromagnet 20, the magnetic force generated by the first electromagnet 20 enables the metal sliding rod 15 to slide towards the first electromagnet 20, the second rotating rod 23 drives the sliding rod 22 to slide towards the middle, the friction speed reducing ring 24 brakes the rotating shaft 10, the first rotating rod 16 drives the sleeve 17 and the pin 19 to slide towards the outer side, the pin 19 is contacted with the inner wall of the third chain wheel 11 first time, and the first spring 18 is in a compressed state, when the pin 19 is aligned with the catching groove 14, the pin 19 is extended into the catching groove 14 by the elastic force of the first spring 18, and the rotating shaft 10 is reconnected to the third sprocket 11.

Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.