阅读说明：本技术 一种采伐多用途汽油链锯 (Multipurpose gasoline chain saw for felling ) 是由 黄步新 于 2021-08-12 设计创作，主要内容包括：本发明属于油锯的技术领域,涉及一种采伐多用途汽油链锯,包括可行走的手推车,所述手推车包括扶手、支架和滚轮,所述扶手的下端连接在支架上,滚轮设置在支架两侧,所述支架上设置有连接盘,连接盘上安装有发动机,所述手推车的前下方设置有连接在支架上的锯切组件,所述锯切组件包括导板、链轮和锯链,所述导板水平设置,所述链轮与发动机传动连接,所述锯链围绕安装在导板周围并连接链轮。本发明提供的采伐多用途汽油链锯,具有用途多样,结构简单,占有空间小,操作方便,劳动强度低,锯切断面平整等优点。(The invention belongs to the technical field of chain saws, and relates to a multipurpose gasoline chain saw for logging, which comprises a walking trolley, wherein the trolley comprises a handrail, a support and rollers, the lower end of the handrail is connected to the support, the rollers are arranged on two sides of the support, a connecting disc is arranged on the support, an engine is mounted on the connecting disc, a sawing assembly connected to the support is arranged on the front lower portion of the trolley, the sawing assembly comprises a guide plate, a chain wheel and a saw chain, the guide plate is horizontally arranged, the chain wheel is in transmission connection with the engine, and the saw chain is arranged around the guide plate and is connected with the chain wheel. The multipurpose gasoline chain saw for logging provided by the invention has the advantages of multiple purposes, simple structure, small occupied space, convenience in operation, low labor intensity, flat saw cutting section and the like.)

1. The utility model provides a felling multipurpose gasoline chain saw, its characterized in that, is including the handcart that can walk, the handcart includes handrail, support (1) and gyro wheel (2), the lower extreme of handrail is connected on support (1), and gyro wheel (2) set up in support (1) both sides, be provided with connection pad (3) on support (1), install engine (4) on connection pad (3), the front lower place of handcart is provided with the subassembly of sawing of connection on support (1), the subassembly of sawing includes baffle (5), sprocket (6) and saw chain (7), baffle (5) level sets up, sprocket (6) are connected with engine (4) transmission, saw chain (7) are around installing baffle (5) and connect sprocket (6).

2. A felling multipurpose gasoline chain saw as in claim 1 wherein the engine (4) is provided with a starting handle (8) above and a fuel pot (9) on the rear side, the fuel inlet of the fuel pot (9) is directed vertically upwards and the handle is provided with a throttle control (10).

3. The multipurpose gasoline chain saw for harvesting of claim 1, wherein the engine (4) is arranged vertically downwards, the connecting plate (3) is internally provided with a driven plate (11), the clutch (12) of the engine (4) is connected with the driven plate (11) in an expandable manner, the lower end of the driven plate (11) is provided with a main output shaft (13), and the chain wheel (6) is sleeved on the main output shaft (13).

4. The felling multipurpose gasoline chain saw according to claim 3, wherein an engine oil pot (14) is arranged on one side of the support (1), an engine oil pump (15) is arranged on the connecting disc (3), the engine oil pot (14) is connected with an oil inlet of the engine oil pump (15) through a rubber pipe (16), a worm wheel (17) is sleeved on the main output shaft (13) above the chain wheel (6), the worm wheel (17) is in meshing transmission with a pump shaft of the engine oil pump (15), and an oil outlet of the engine oil pump (15) is connected with the guide plate (5) through the rubber pipe (16).

5. A harvester-utility gasoline chain saw as in claim 3, wherein the lower end of the connecting plate (3) is provided with a bearing seat (18), wherein more than one bearing (19) is stacked in the bearing seat (18), the outer ring of the bearing (19) is fixed in the bearing seat (18), and the inner ring is fixed on the main output shaft (13).

6. A felling multipurpose gasoline chain saw as claimed in claim 1 wherein a guide plate mounting plate (20) is provided between the connecting plate (3) and the stand (1), the guide plate (5) is attached to the guide plate mounting plate (20), the guide plate (5) is triangular, one triangular side is positioned right in front of the cart and perpendicular to the direction of travel, and the other two triangular sides guide the saw chain (7) to be attached to the sprocket (6).

7. A felling multipurpose gasoline chain saw as claimed in claim 1 wherein the guide plate (5) is provided with a tensioner (21), the tensioner (21) is screwed with an adjusting bolt (22), the end surface of the adjusting bolt (22) is in interference connection with the side surface of the bracket (1), and the adjusting bolt (22) changes the distance between the guide plate (5) and the chain wheel (6) when moving axially.

8. A multipurpose gasoline chain saw for felling as defined in claim 1 wherein the arm rest comprises an upper arm rest (23) and a lower arm rest (24), said upper arm rest (23) and lower arm rest (24) being fixedly connected by a saddle bolt (25) and a knob (26), the lower end of said upper arm rest (23) being provided with an end slot into which the lower arm rest (24) can be snapped, the upper arm rest (23) being rotatable around the saddle bolt (25) after the end slot of the upper arm rest (23) has been moved away from the lower arm rest (24) after the knob (26) has been released.

9. A felling multipurpose gasoline chain saw as claimed in claim 8 wherein the lower end of the lower handrail (24) is hinged to the support (1), the support (1) is provided with a plurality of adjustment holes (27), the adjustment holes (27) are distributed on the same arc of circle with the hinge point as the center, and the lower handrail (24) is provided with a bolt fixedly connected with the adjustment holes (27).

Technical Field

The invention belongs to the technical field of chain saws, and relates to a multipurpose gasoline chain saw for logging.

Background

Gasoline chain saws, also known as chain saws, are hand saws powered by gasoline engines. The chain saw can not be used in forestry tree harvesting, agricultural economic plant harvesting, bamboo cutting and wood making. The chain saw mainly performs saw cutting action through the transverse movement of the blades staggered on the saw chain to cut felling objects such as trees, plants and the like.

Referring to fig. 1, the known chain saw comprises an engine 101, a front carrying handle 102, a rear handle 103, an accelerator trigger 104 and a brake baffle 105, wherein when an operator uses the chain saw to work, the operator needs to respectively hold the front carrying handle 102 and the rear handle 103 with both hands, carries the chain saw to perform saw cutting, changes the rotating speed of the engine 101 by pulling the accelerator trigger 104, and the brake baffle 105 is used for automatically braking when the chain saw rebounds accidentally to prevent the chain saw from hurting people; the starting device also comprises a starting handle 106 arranged on the side, and the engine 101 can be started by pulling the starting handle 106; a fuel tank 107 and an engine oil tank 108 which are arranged at the lower part of the engine 101 body, and fuel oil for the engine 101 to work and engine oil for lubricating a saw chain 109 are respectively filled in the fuel tank and the engine oil tank; the harvester also comprises a guide plate 110 arranged on the right side surface, a saw chain 109 is fixed around the guide plate 110 and can rotate around the guide plate 110, the guide plate 110 is generally in a long strip shape, the guide plate 110 moves up and down or left and right along with hands of an operator during harvesting, and the saw chain 109 on the guide plate 110 has enough length to saw a harvest.

The well-known chain saw is at the during operation, need operating personnel both hands to carry the chain saw, rely on the manpower to overcome the weight of chain saw, the vibrations and the moment of torsion that balanced chain saw produced at the during operation, and operating personnel hardly accomplishes that baffle 110 and saw chain 109 keep the level to saw cut always when the operation of both hands carry the chain saw, the section of cutting out like this just has unevenness, need secondary operation, saw cut the felling thing and generally need saw cut to the root position, this position generally all is close ground, need bow or squat and carry out the operation, long-time work operating personnel intensity of labour is high so.

The Chinese patent CN 209234521U discloses a supporting device of a felling oil saw, which comprises a cart support, wherein a roller is arranged below the cart support, a supporting plate is arranged on the cart support, two ejector rods are arranged at the bottom of the supporting plate, an adjusting screw rod is in threaded connection with each ejector rod, a sliding rail is arranged on the supporting plate, a felling oil saw is connected onto the sliding rail, a pulley is arranged at the bottom of the felling oil saw, and the pulley is in contact connection with the sliding rail. The above-mentioned patent is merely to place the known chain saw on the cart and does not address the disadvantages of the prior known chain saws. When in use, the cart and the wood cutting chain saw need to be operated, which is very inconvenient. In addition, because the slide rail is laid on the shallow, the distance that the logging chain saw fed forward is very limited, can't cut the great timber, in addition, the logging chain saw surpasss can bring serious equilibrium problem for the shallow behind the shallow, leads to the rollover.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the multipurpose gasoline chain saw for logging, which has the advantages of multiple purposes, simple structure, small occupied space, convenient operation, low labor intensity, flat saw cutting section and the like.

In order to solve the above technical problems, the object of the present invention is achieved by the following technical solutions:

the utility model provides a felling multipurpose gasoline chain saw, includes the handcart that can walk, the handcart includes handrail, support and gyro wheel, the lower extreme of handrail is connected on the support, and the gyro wheel setting is in the support both sides, be provided with the connection pad on the support, install the engine on the connection pad, the front lower place of handcart is provided with the subassembly of sawing of connection on the support, the subassembly of sawing includes baffle, sprocket and saw chain, the baffle level sets up, the sprocket is connected with engine drive, the saw chain is around installing around the baffle and connecting the sprocket.

In the multipurpose gasoline chain saw for logging, a starting handle is arranged above the engine, an oil-burning pot is arranged on the rear side, an oil filling port of the oil-burning pot is vertically upward, and an accelerator control device is arranged on the handrail.

In the multipurpose gasoline chain saw for harvesting, the engine is vertically arranged downwards (based on the direction of an output shaft of the engine), a driven disc is arranged in the connecting disc, a clutch of the engine is connected with the driven disc in an expandable manner, a main output shaft is arranged at the lower end of the driven disc, the main output shaft is rigidly connected with the driven disc, and the chain wheel is sleeved on the main output shaft.

In the felling multipurpose gasoline chain saw, an engine oil pot is arranged on one side of the support, the engine oil pump is arranged on the connecting disc, the engine oil pot is connected with an oil inlet of the engine oil pump through a rubber pipe, a worm wheel is sleeved on a main output shaft above the chain wheel and meshed with a pump shaft of the engine oil pump for transmission, and an oil outlet of the engine oil pump is connected with the guide plate through the rubber pipe.

In the multipurpose gasoline chain saw for logging, the upper surface and the lower surface of the chain wheel are respectively provided with the antifriction pads, and the chain wheel, the worm wheel and the antifriction pads are fixedly connected with the main output shaft and rotate together with the main output shaft.

In the multipurpose gasoline chain saw for logging, the lower end of the connecting disc is provided with a bearing seat, more than one bearing is stacked in the bearing seat, the outer ring of the bearing is fixed in the bearing seat, and the inner ring of the bearing is fixed on the main output shaft. The number of the bearings is preferably two, and the bearings are preferably deep groove ball bearings.

In the multipurpose gasoline chain saw for logging, a guide plate mounting plate is arranged between the connecting disc and the support, the guide plate is connected to the guide plate mounting plate and is triangular, one triangular edge is arranged right in front of the trolley and is perpendicular to the walking direction, and the other two triangular edges guide the chain saw to be connected with the chain wheel.

In the multipurpose gasoline chain saw for harvesting, the guide plate is provided with the tensioner, the tensioner is screwed with the adjusting bolt, the end face of the adjusting bolt is in abutting connection with the side face of the support, and when the adjusting bolt moves axially, the position of the guide plate moves back and forth, so that the distance between the guide plate and the chain wheel is changed, and the tightness of the saw chain is changed along with the change of the distance.

In the multipurpose gasoline chain saw for logging, the armrest comprises an upper armrest and a lower armrest, the upper armrest and the lower armrest are fixedly connected through a saddle bolt and a knob, an end groove capable of being clamped into the lower armrest is formed in the lower end of the upper armrest, and after the knob is loosened, the end groove of the upper armrest is separated from the lower armrest, the upper armrest can rotate around the saddle bolt, and therefore the upper armrest can be switched between a folding position and an unfolding position.

In the multipurpose gasoline chain saw for logging, the lower end of the lower handrail is hinged to the support, the support is provided with a plurality of adjusting holes, the adjusting holes are distributed on the same arc with the hinged point as the center of a circle, and the lower handrail is provided with a bolt fixedly connected with the adjusting holes. The angle of inclination of the arm rest can be varied by connecting different adjustment holes, preferably between 40 and 50 degrees.

Compared with the prior art, the invention has the following beneficial effects:

the invention provides a gasoline chain saw with a brand-new structure, which deeply integrates a handcart with the gasoline chain saw and makes a fundamental change to the traditional operation mode. When the handcart is used, the handcart is supported on the ground by means of wheels, the upper handrail is as high as the arm of an operator, the guide plate and the saw chain are positioned below the handcart, the saw chain is positioned around the guide plate and is close to the ground, the operator pushes the handcart during harvesting, the chain saw arranged on the handcart moves forwards along with the handcart, the saw chain in operation is close to and close to an object to be harvested, the handcart moves forwards continuously, and the saw chain cuts off the harvested object. When the operator fells, the operator pushes the hand to stabilize the direction and operates the accelerator operating device to complete the operation. The operator can saw the root part of the gasoline chain saw without carrying the gasoline chain saw by a standing trolley, the gasoline chain saw is supported by the trolley, the guide plate and the saw chain are relatively fixed, and the section is smooth. In addition, the gasoline chain saw can be used for sawing and cutting timber and collecting bamboo, shrubs and crops. Therefore, the multipurpose gasoline chain saw for logging provided by the invention has the advantages of multiple purposes, simple structure, small occupied space, convenience in operation, low labor intensity, flat saw cutting section and the like.

Drawings

FIG. 1 is a perspective view of a known gasoline chain saw;

reference numerals in fig. 1: 101. an engine; 102. a front carrying handle; 103. a rear handle; 104. an accelerator trigger; 105. a brake baffle; 106. a starting handle; 107. a fuel tank; 108. an oil sump; 109. a saw chain; 110. a guide plate.

FIG. 2 is a perspective view of the present invention;

FIG. 3 is a front view of the present invention;

FIG. 4 is a cross-sectional view of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 4;

FIG. 6 is a perspective view of the bracket of the present invention;

FIG. 7 is a block diagram of the sawing assembly of the present invention;

reference numerals of fig. 2 to 7: 1. a support; 2. a roller; 3. a connecting disc; 4. an engine; 5. a guide plate; 6. a sprocket; 7. a saw chain; 8. a starting handle; 9. a fuel oil pot; 10. a throttle control device; 11. a driven disc; 12. a clutch; 13. a main output shaft; 14. an engine oil pot; 15. an oil pump; 16. a rubber tube; 17. a worm gear; 18. a bearing seat; 19. a bearing; 20. a guide plate mounting plate; 21. a tensioner; 22. adjusting the bolt; 23. an upper armrest; 24. a lower armrest; 25. a saddle bolt; 26. a knob; 27. and adjusting the hole.

Detailed Description

The invention will be further described in the following with reference to specific embodiments thereof, with reference to figures 2 to 7:

the utility model provides a felling multipurpose gasoline chain saw, includes the handcart that can walk, the handcart includes handrail, support 1 and gyro wheel 2, the lower extreme of handrail is connected on support 1, and gyro wheel 2 sets up in support 1 both sides, and is preferred, support 1 is in horizontal position, be provided with connection pad 3 on the support 1, install engine 4 on the connection pad 3, the preceding below of handcart is provided with the subassembly of sawing of connection on support 1, the subassembly of sawing includes baffle 5, sprocket 6 and saw chain 7, baffle 5 horizontal setting, sprocket 6 is connected with engine 4 transmission, saw chain 7 is around installing around baffle 5 and connecting sprocket 6.

Referring to fig. 4 and fig. 5, the structure of the transmission connection between the sprocket 6 and the engine 4 is that the engine 4 is vertically arranged downward (based on the direction of the output shaft of the engine 4), the driven disc 11 is arranged in the connecting disc 3, the clutch 12 of the engine 4 is connected with the driven disc 11 in an expandable manner, the lower end of the driven disc 11 is provided with a main output shaft 13, the main output shaft 13 is vertically downward, the main output shaft 13 is rigidly connected with the driven disc 11, the sprocket 6 is sleeved on the main output shaft 13, when the engine 4 runs and rotates, the clutch 12 in the engine 4 is expanded with the driven disc 11 in the connecting disc 3, and the clutch 12 and the driven disc 11 rotate synchronously to transmit the rotation energy of the engine 4.

Referring to fig. 2 and 3, a starting handle 8 is arranged above the engine 4, an operator pulls the starting handle 8 for multiple times to start the engine 4, the engine starts to run from a stop state, a fuel oil can 9 is arranged on the rear side of the engine to provide fuel oil for the engine 4, an oil filling port of the fuel oil can 9 is vertically upward, the fuel oil can be conveniently filled in the fuel oil through the upward design of the oil filling port, the fuel oil can 9 can be filled fully, an accelerator control device 10 is arranged on the armrest, and the rotating speed of the engine 4 can be adjusted through the accelerator control device 10.

Referring to fig. 3, in order to provide lubrication for a moving saw chain 7, an oil pot 14 is arranged on one side of the support 1, an oil pump 15 is arranged on the connecting disc 3, the oil pot 14 is connected with an oil inlet of the oil pump 15 through a rubber tube 16, a worm wheel 17 is sleeved on a main output shaft 13 above the chain wheel 6, the worm wheel 17 is in meshing transmission with a pump shaft of the oil pump 15, an oil outlet of the oil pump 15 is connected with the guide plate 5 through the rubber tube 16, and through the layout, the rubber tube 16 is smooth and free from being broken, and the length of the rubber tube 16 is shortest. When the engine 4 rotates, the driven disc 11 and the output shaft are driven to synchronously rotate the worm wheel 17, so that the engine oil pump 15 is driven to inject engine oil from the engine oil pot 14 into the guide plate 5 through the rubber tube 16 to lubricate the saw chain 7.

In order to reduce the abrasion of the chain wheel 6, the upper surface and the lower surface of the chain wheel 6 are respectively provided with an anti-abrasion pad, and the chain wheel 6, the worm wheel 17 and the anti-abrasion pads are fixedly connected with the main output shaft 13 and rotate together with the main output shaft 13.

In order to enable the main output shaft 13 to rotate more stably, the lower end of the connecting disc 3 is provided with a bearing seat 18, more than one bearing 19 is stacked in the bearing seat 18, the outer ring of the bearing 19 is fixed in the bearing seat 18, and the inner ring of the bearing 19 is fixed on the main output shaft 13. The number of the bearings 19 is preferably two, and the bearings 19 are preferably deep groove ball bearings.

Referring to fig. 7, a guide plate mounting plate 20 is arranged between the connecting disc 3 and the support 1, the guide plate 5 is connected to the guide plate mounting plate 20, the guide plate 5 is triangular, one triangular edge is arranged in front of the trolley and is perpendicular to the walking direction, the triangular edge can have a slight radian, and the other two triangular edges guide the saw chain 7 to be connected with the chain wheel 6. The arrangement ensures that the right-front saw chain 7 has enough transverse length, so that the saw chain 7 can move transversely to saw cut felling objects conveniently.

In order to adjust the tightness of the saw chain 7, the invention also designs a tightness adjusting device, a tension device 21 is arranged on the guide plate 5, an adjusting bolt 22 is screwed on the tension device 21, the end surface of the adjusting bolt 22 is in abutting connection with the side surface of the support 1, when the adjusting bolt 22 moves axially, the position of the guide plate 5 moves back and forth, so that the distance between the guide plate 5 and the chain wheel 6 is changed, the saw chain 7 changes tightness along with the saw chain, and the tightness degree of the saw chain 7 can be adjusted through the tension device 21.

Referring to fig. 2, the armrest includes an upper armrest 23 and a lower armrest 24, the upper armrest 23 is fixedly connected to the lower armrest 24 by a saddle bolt 25 and a knob 26, the lower end of the upper armrest 23 is provided with an end groove that can be snapped into the lower armrest 24, and after the knob 26 is released, the upper armrest 23 can rotate around the saddle bolt 25 after the end groove of the upper armrest 23 is separated from the lower armrest 24, so that the upper armrest 23 can be switched between the folded and unfolded positions. Through the arrangement, the upper handrail 24 and the lower handrail 24 can be folded when the trolley is not used or packaged and transported, so that the storage space is reduced.

Referring to fig. 6, the present invention further provides an angle adjusting device for a handrail, wherein the lower end of the lower handrail 24 is hinged to the support 1, the support 1 is provided with a plurality of adjusting holes 27, the adjusting holes 27 are distributed on the same arc with the hinge point as the center of circle, and the lower handrail 24 is provided with a bolt fixedly connected with the adjusting holes 27. The angle of inclination of the arm rest can be varied by connecting different adjustment holes 27, preferably between 40 and 50 degrees.

The specific operation mode of the invention is as follows: the upper handrail 23 rotates around the saddle-shaped bolt until the two end grooves are clamped into the lower handrail 24, the knob 26 is rotated to fix the upper handrail 23 and the lower handrail 24, and operators with different heights can adjust the height of the upper handrail 23 by adjusting the angle of the lower handrail 24. The movable handle 8 is pulled up for a plurality of times, the engine 4 is started and runs in an idling mode, the clutch 12 is not in expansion and closing with the driven disc 11 due to low rotating speed, the saw chain 7 is static and does not move, the throttle control device 10 is adjusted, the engine 4 runs in an accelerating mode, the clutch 12 is in expansion and closing with the driven disc 11, the main output shaft 13 drives the chain wheel 6 to rotate, the chain wheel 6 drives the saw chain 7 to move around the guide plate 5, the upper handrail 23 is pushed by two hands to enable the trolley to move forwards, the saw chain 7 in linear motion is close to an object to be harvested, the harvested object is cut off by the staggered blades on the saw chain 7, meanwhile, the worm wheel 17 on the main output shaft 13 drives the oil pump 15, engine oil flows to the saw chain 7 from the oil can 14 through the rubber tube 16, the saw chain 7 is lubricated continuously, abrasion of the blades on the saw chain 7 is reduced, and the service life of the saw chain 7 is prolonged. After the sawing operation is finished, the engine 4 can be turned off, the knob 26 is unscrewed, the upper handrail 23 is folded, and the storage space can be saved. The engine 4, the guide plate 5, the saw chain 7 and the like are arranged on the trolley, a hand-held chain saw does not need to be carried by manpower in the sawing process, two wheels of the trolley are in contact with the ground, the upper handrail 23 is supported by two hands, the guide plate 5 moves horizontally, the cut section sawn by the saw chain 7 can be ensured to be flat, the guide plate 5 and the saw chain 7 are arranged below the trolley, the root of a felling object can be directly sawn, operators do not need to bend down, and the labor intensity and the working load of the operators are reduced.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.