阅读说明：本技术 闸机断电自锁机构 (Brake power-off self-locking mechanism ) 是由 华振胜 何牧 范福川 朱岚斐 田祖敏 于 2021-07-07 设计创作，主要内容包括：本申请涉及一种闸机断电自锁机构,属于闸机的技术领域,其包括与闸机门相连的主轴和与主轴转动连接的主梁,主梁可拆卸连接有电磁锁,主梁上活动连接有与电磁锁配合的连接板,连接板远离电磁锁的一端固设有限位块,主轴开设有用于插设限位块的限位槽,电磁锁失电时,限位块位于限位槽内。本申请具有降低由于断电造成闸机失去动力,导致通行人员强行推开闸机门而通过的可能性,保证通行的有序性,降低安全隐患产生的可能性的效果。(The utility model relates to a floodgate machine outage self-locking mechanism belongs to the technical field of floodgate machine, and it includes the main shaft that links to each other with the floodgate door and rotates the girder of being connected with the main shaft, and the girder can be dismantled and be connected with the electromagnetic lock, swing joint have on the girder with electromagnetic lock complex connecting plate, the one end that the electromagnetic lock was kept away from to the connecting plate has set firmly the stopper, and the main shaft is offered and is used for inserting the spacing groove of establishing the stopper, and when the electromagnetic lock loses the electricity, the stopper was located the spacing inslot. This application has and reduces because the outage causes the floodgate machine to lose power, leads to expert's personnel to push away the floodgate door by force and the possibility that passes through, guarantees current orderliness, reduces the effect of the possibility that the potential safety hazard produced.)

1. The utility model provides a floodgate machine outage self-locking mechanism, includes main shaft (1) that links to each other with the floodgate door and rotates girder (2) of being connected with main shaft (1), its characterized in that: girder (2) can be dismantled and be connected with electromagnetic lock (3), swing joint has connecting plate (4) with electromagnetic lock (3) complex on girder (2), the one end that electromagnetic lock (3) were kept away from in connecting plate (4) has set firmly stopper (41), spacing groove (11) that are used for inserting establishing stopper (41) are offered in main shaft (1), when electromagnetic lock (3) loses the electricity, stopper (41) are located spacing groove (11).

2. The gate machine power-off self-locking mechanism according to claim 1, characterized in that: girder (2) fixedly connected with rotates mounting panel (21) of being connected with main shaft (1), connecting plate (4) rotate with mounting panel (21) and are connected, axis of rotation (42) and main shaft (1) of connecting plate (4) are perpendicular, electromagnetic lock (3) are located one side that connecting plate (4) are close to main shaft (1).

3. The gate machine power-off self-locking mechanism according to claim 1, characterized in that: fixedly connected with rotates mounting panel (21) of being connected with main shaft (1) on girder (2), connecting plate (4) and mounting panel (21) sliding connection, the slip direction of connecting plate (4) is perpendicular with the axis of main shaft (1), electromagnetic lock (3) are located one side that main shaft (1) were kept away from in connecting plate (4).

4. The power-off self-locking mechanism of the gate machine according to claim 2 or 3, characterized in that: electromagnetic lock (3) with be equipped with spring (31) between connecting plate (4), the one end and the electromagnetic lock (3) of spring (31) are contradicted, the other end telescopic shaft (32) fixed connection of spring (31), when spring (31) are in natural state, stopper (41) are located spacing groove (11).

5. The power-off self-locking mechanism of the gate machine according to claim 2, characterized in that: fixedly connected with permanent magnet (22) on girder (2), permanent magnet (22) are located connecting plate (4) and keep away from one side of main shaft (1), the magnetic force of permanent magnet (22) is less than the magnetic force of electromagnetic lock (3).

6. The gate machine power-off self-locking mechanism according to claim 1, characterized in that: electromagnetic lock (3) sliding connection has telescopic shaft (32), the slip direction of telescopic shaft (32) is perpendicular with the axis of main shaft (1), the one end that electromagnetic lock (3) were kept away from in telescopic shaft (32) links to each other with connecting plate (4), girder (2) sliding connection has reset plate (23), reset plate (23) and telescopic shaft (32) fixed connection, the slip direction of reset plate (23) is the same with the slip direction of telescopic shaft (32).

7. The gate machine power-off self-locking mechanism according to claim 6, characterized in that: the main beam (2) is fixedly connected with a sliding plate (24), the reset plate (23) is fixedly connected with a connecting rod (231) which is slidably connected with the sliding plate (24), the sliding plate (24) is rotatably connected with a lock cylinder (241), and the lock cylinder (241) is fixedly connected with a rotating plate (2411) which is used for pushing the connecting rod (231).

8. The gate machine power-off self-locking mechanism according to claim 1, characterized in that: the main shaft (1) is fixedly connected with a limiting column (12), and the main beam (2) is connected with a limiting screw (25) in a threaded manner, wherein the limiting screw is used for limiting the limiting column (12).

Technical Field

The application relates to the field of floodgate machine, especially relate to a floodgate machine outage self-locking mechanism.

Background

The gate is a channel blocking device (channel management equipment), is mainly applied to urban rail transit management, is used for managing pedestrian flow and regulating pedestrian entrance and exit, is mainly applied to a subway gate system and a charging ticket checking gate system, and forms a payment area and a non-payment area. The most basic and most core function is to realize that only one person can pass through the system at one time, and the system can be used for the entrance passage of various charging and entrance guard occasions.

When the floodgate machine circular telegram, can block up the floodgate machine through floodgate machine outage self-locking mechanism to this normal use who guarantees the floodgate machine. However, the situation of power failure always occurs suddenly, so that the power of a gate channel is cut off, the gate loses power, and a passerby can forcibly push a gate to pass through, so that the passing disorder is easily caused, and the potential safety hazard is caused.

Disclosure of Invention

In order to reduce because the outage leads to the fact the floodgate machine to lose power, lead to expert's personnel to push away the floodgate door by force and the possibility of passing through, guarantee current orderliness, reduce the possibility that the potential safety hazard produced, this application provides a floodgate machine outage self-locking mechanism.

The application provides a floodgate machine outage self-locking mechanism adopts following technical scheme:

the utility model provides a floodgate machine outage self-locking mechanism, includes the main shaft that links to each other with the floodgate door and rotates the girder of being connected with the main shaft, the girder can be dismantled and be connected with the electromagnetic lock, swing joint has and electromagnetic lock complex connecting plate on the girder, the one end that the electromagnetic lock was kept away from to the connecting plate has set firmly the stopper, the main shaft is offered and is used for inserting the spacing groove of establishing the stopper, when the electromagnetic lock loses the electricity, the stopper is located the spacing inslot.

Through adopting above-mentioned technical scheme, the electromagnetic lock circular telegram is that the electromagnetic lock adsorbs the connecting plate and is the stopper separates from the spacing groove, after the electromagnetic lock loses the electricity, the electromagnetic lock loses magnetism, the connecting plate loses the magnetic force of electromagnetic lock and adsorbs this moment, the stopper is inserted and is established in the spacing groove this moment, and then carry on spacingly to the main shaft, thereby carry on spacingly to the floodgate door, reduce because the outage causes the floodgate to lose power, lead to the passerby to push away the floodgate door by force and the possibility that passes through, guarantee current orderliness, reduce the possibility that the potential safety hazard produced.

Optionally, girder fixedly connected with rotates the mounting panel of being connected with the main shaft, the connecting plate rotates with the mounting panel to be connected, the axis of rotation of connecting plate is perpendicular with the main shaft, the electromagnetic lock is located the one side that the connecting plate is close to the main shaft.

Through adopting above-mentioned technical scheme, the mounting panel can be fixed the connecting plate, and the connecting plate rotates and drives the stopper and insert and establish the spacing groove, and then can guarantee the stability of connecting.

Optionally, fixedly connected with rotates the mounting panel of being connected with the main shaft on the girder, connecting plate and mounting panel sliding connection, the slip direction of connecting plate is perpendicular with the axis of main shaft, the electromagnetic lock is located the one side that the main shaft was kept away from to the connecting plate.

Through adopting above-mentioned technical scheme, the mounting panel can be fixed the connecting plate, and the connecting plate slides and drives the stopper and insert and establish the spacing groove, and it is comparatively convenient to operate.

Optionally, the electromagnetic lock with be equipped with the spring between the connecting plate, the one end and the electromagnetic lock of spring are contradicted, the other end telescopic shaft fixed connection of spring, when the spring is in natural state, the stopper is located the spacing inslot.

Through adopting above-mentioned technical scheme, the spring can promote the connecting plate and then make the stopper insert and establish the spacing groove in, can guarantee the spacing stability of stopper to the main shaft.

Optionally, a permanent magnet is fixedly connected to the main beam, the permanent magnet is located on one side, away from the main shaft, of the connecting plate, and the magnetic force of the permanent magnet is smaller than that of the electromagnetic lock.

Through adopting above-mentioned technical scheme, magnet can adsorb the connecting plate, can make the stopper insert and establish the spacing groove in, guarantees the spacing stability of stopper to the main shaft.

Optionally, the electromagnetic lock is connected with a telescopic shaft in a sliding manner, the sliding direction of the telescopic shaft is perpendicular to the axis of the main shaft, one end, away from the electromagnetic lock, of the telescopic shaft is connected with the connecting plate, the main beam is connected with a reset plate in a sliding manner, the reset plate is fixedly connected with the telescopic shaft, and the sliding direction of the reset plate is the same as that of the telescopic shaft.

Through adopting above-mentioned technical scheme, after the electromagnetic lock outage, the user can stimulate the board that resets and drive the telescopic shaft slip, and then drives the connecting plate and remove, makes the stopper break away from the spacing groove to can promptly unblock.

Optionally, the main beam is fixedly connected with a sliding plate, the reset plate is fixedly connected with a connecting rod slidably connected with the sliding plate, the sliding plate is rotatably connected with a lock cylinder, and the lock cylinder is fixedly connected with a rotating plate for pushing the connecting rod.

Through adopting above-mentioned technical scheme, the user rotates the lock core through the key, and the lock core drives the rotor plate and rotates, and then promotes the connecting rod and slides, and the connecting rod drives the board that resets and slides, and the lock core can be fixed a position, and then can fix a position the board that resets to liberation user's both hands, convenient operation.

Optionally, the main shaft is fixedly connected with a limit column, and the main beam is in threaded connection with a limit screw for limiting the limit column.

Through adopting above-mentioned technical scheme, stop screw can carry on spacingly to spacing post to carry on spacingly to the main shaft, and then can reduce the main shaft possibility of many degrees pivoted, reduce the impaired possibility of floodgate door, prolong the practical life of floodgate machine.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the electromagnetic lock is powered on, the limit blocks are separated from the limit grooves, so that the normal work of the main shaft is guaranteed, after the electromagnetic lock is powered off, the connecting plate loses the adsorption force of the electromagnetic lock, the limit blocks are driven by the connecting plate to be inserted into the limit grooves, so that the main shaft can be limited, the possibility that a gate loses power due to power failure and the gate is forced to be opened by a passer to pass through the gate is reduced, the passing order is guaranteed, and the possibility of potential safety hazards is reduced;

2. through the arrangement of the spring and the magnet, the stability of inserting the limiting block into the limiting groove can be ensured, and the stability of limiting the main shaft after power failure is further ensured, so that the possibility that a passer forcibly pushes the gate to pass through the gate due to the power loss of the gate caused by power failure is further reduced, the order of passing is ensured, and the possibility of potential safety hazard is reduced;

3. the lock core rotates and drives the rotor plate and rotate, and the rotor plate promotes the connecting rod and then drives the board that resets and slides, and the board that resets drives the telescopic shaft and slides, thereby the telescopic shaft drives the connecting plate and removes and can make the stopper separate from the spacing groove after the electromagnetic lock outage, and then realize the effect of urgent unblock.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic diagram of an explosive structure of example 1 of the present application;

FIG. 3 is a schematic view showing the structure of a permanent magnet according to embodiment 2 of the present application;

FIG. 4 is a schematic structural view of a connection plate highlighted in embodiment 3 of the present application.

Description of reference numerals:

1. a main shaft; 11. a limiting groove; 12. a limiting column; 13. a bearing; 14. a threaded hole; 2. a main beam; 21. mounting a plate; 211. a rotating groove; 212. rotating the hole; 22. a permanent magnet; 23. a reset plate; 231. a connecting rod; 232. pulling the movable plate; 24. a sliding plate; 241. a lock cylinder; 2411. a rotating plate; 242. a sliding groove; 25. a limit screw; 251. a cross bar; 26. a cavity; 27. a transverse groove; 3. an electromagnetic lock; 31. a spring; 32. a telescopic shaft; 321. an annular groove; 33. a fixed cover; 4. a connecting plate; 41. a limiting block; 42. a rotating shaft; 43. a card slot; 44. a slide plate; 5. provided is a self-locking brake.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses floodgate machine outage self-locking mechanism.

Example 1

Referring to fig. 1, the power-off self-locking mechanism of the gate machine comprises a main beam 2 and a main shaft 1, wherein the main beam 2 is rectangular, a cavity 26 is formed in the side wall where one long edge of the main beam 2 is located, and the cavity 26 is formed in the length direction of the main beam 2. The main shaft 1 is cylindrical, the main shaft 1 is rotatably connected in the cavity 26, the axis of the main shaft 1 is parallel to the length direction of the cavity 26, and the brake door is fixedly connected to the main shaft 1. Meanwhile, the electromagnetic lock 3 is detachably connected to the main beam 2 through a bolt, the main beam 2 is movably connected with a connecting plate 4, and the connecting plate 4 is a magnetic metal plate. Meanwhile, the main shaft 1 is provided with a limiting groove 11, and one end of the connecting plate 4 far away from the electromagnetic lock 3 is fixedly connected with a limiting block 41.

When the gate is powered on, the main shaft 1 is connected with the self-locking brake 5, the self-locking brake 5 can limit the position of the main shaft 1, the possibility of the main shaft 1 rotating is reduced, and the use effect of the gate is ensured, the self-locking brake 5 is a known related technology, and detailed description is omitted here. And the electromagnetic lock 3 is electrified and has magnetism, and then can adsorb the connecting plate 4 and be close to the electromagnetic lock 3, and then can make the stopper 41 separate from the spacing groove 11, and then guarantee the normal rotation of main shaft 1.

After the floodgate machine loses the electricity, auto-lock brake 5 is malfunctioning, thereby 3 lose the electricity of electromagnetic lock lose magnetism this moment, and then disappear to the adsorption affinity that connecting plate 4 produced, connecting plate 4 resets this moment and then makes stopper 41 insert establish in spacing groove 11, thereby carry on spacingly to main shaft 1, and then reduce and cause the floodgate machine to lose power owing to the outage, lead to the passerby to push away the floodgate door by force and the possibility that passes through, guarantee current orderliness, reduce the possibility that the potential safety hazard produced.

Referring to fig. 2, the top end of the main shaft 1 is coaxially and rotatably connected with a bearing 13, a mounting plate 21 is detachably connected in a cavity 26 through bolts, and the mounting plate 21 is close to the top end of the cavity 26. The lower surface of the mounting plate 21 is provided with a groove, and the bearing 13 is rotatably connected in the groove. The bearing 13 can reduce the abrasion generated by the direct contact between the main shaft 1 and the mounting plate 21, thereby prolonging the service life of the gate machine.

Referring to fig. 2, the side wall of the mounting plate 21 is formed with a rotation groove 211, and the rotation groove 211 is formed in a direction perpendicular to the axis of the spindle 1. The connecting plate 4 is rotatably connected in the rotating groove 211, and two sides of the connecting plate 4 are respectively and fixedly connected with a rotating shaft 42, and the two rotating shafts 42 are coaxial and perpendicular to the axis of the spindle 1. The side wall of the mounting plate 21 is provided with a rotation hole 212, the opening direction of the rotation hole 212 is perpendicular to the opening direction of the rotation groove 211, and the opening direction of the rotation hole 212 is perpendicular to the axis of the spindle 1. The rotation hole 212 penetrates the mounting plate 21 and communicates with the rotation groove 211, and the rotation shaft 42 is rotatably coupled in the rotation hole 212.

Referring to fig. 2, the limiting groove 11 is located at the top end of the main shaft 1, the connecting plate 4 is vertically disposed, and the limiting block 41 is located below the rotating shaft 42. Connecting plate 4 extends to the direction of keeping away from main shaft 1, when the top of connecting plate 4 when the direction slope of the axis of being close to main shaft 1, connecting plate 4 drove axis of rotation 42 and rotates in rotating hole 212 this moment, and then makes stopper 41 separate from spacing groove 11, and then guarantees the normal rotation of main shaft 1 when switching on, and connecting plate 4 antiport when losing the electricity, and then makes stopper 41 insert and establish in spacing groove 11 to the realization is spacing to main shaft 1.

Referring to fig. 2, the electromagnetic lock 3 is located above the self-locking brake 5, the self-locking brake 5 is located between the electromagnetic lock 3 and the mounting plate 21, the mounting plate 21 is provided with a through hole, and the bottom end of the self-locking brake 5 penetrates through the through hole and is connected with the spindle 1. The electromagnetic lock 3 is fixedly connected with the upper surface of the self-locking brake 5 through a screw, and the adsorption surface of the electromagnetic lock 3 faces the connecting plate 4. When the circular telegram, electromagnetic lock 3 produces magnetism and adsorbs connecting plate 4 to the direction slope of the axis that is close to main shaft 1, and when losing the electricity, electromagnetic lock 3 loses magnetism and then connecting plate 4 antiport.

Referring to fig. 2, the electromagnetic lock 3 is covered with a fixed cover 33, the lower surface of the fixed cover 33 is detachably connected with the upper surface of the self-locking brake 5 through screws, and the side wall of the fixed cover 33 is detachably connected with the main beam 2 through bolts. One side of the fixed cover 33 close to the connecting plate 4 is provided with a slide hole, an expansion shaft 32 is connected in the slide hole in a sliding manner, and the expansion shaft 32 is a metal shaft with magnetism. Annular groove 321 has been seted up to the one end that the metal axle kept away from electromagnetic lock 3, draw-in groove 43 has been seted up on the top of connecting plate 4, and telescopic shaft 32 joint is in draw-in groove 43, and connecting plate 4 joint is in annular groove 321 to the convenience carries out the split to telescopic shaft 32 and connecting plate 4.

Referring to fig. 2, when the telescopic shaft 32 and the connecting plate 4 are clamped with each other, when the electromagnetic lock 3 is powered on, the electromagnetic lock 3 adsorbs the telescopic shaft 32 to enable the telescopic shaft 32 to slide in the sliding hole towards the direction close to the electromagnetic lock 3, so that the connecting plate 4 is pulled to incline towards the direction of the electromagnetic lock 3, and the limiting block 41 is separated from the limiting groove 11. Meanwhile, when the electromagnetic lock 3 is powered off, the telescopic shaft 32 slides in the sliding hole in the reverse direction, so that the limiting block 41 is inserted into the limiting groove 11 to limit the main shaft 1.

Referring to fig. 2, a spring 31 is sleeved on the telescopic shaft 32, one end of the spring 31 abuts against the fixed cover 33, and the other end is fixedly connected with the telescopic shaft 32. The elasticity of spring 31 is less than the magnetic force that produces after 3 circular telegrams of electromagnetic lock, and after 3 circular telegrams of electromagnetic lock, spring 31 is compressed, and after 3 electricity losses of electromagnetic lock, when spring 31 resumes initial condition, spring 31 promotes connecting plate 4 and rotates, and then makes stopper 41 insert and establish in spacing groove 11, can guarantee that stopper 41 inserts the stability of establishing in spacing groove 11 to guarantee to the spacing stability of main shaft 1.

Referring to fig. 2, the reset plate 23 is slidably attached to a sidewall of the stationary cover 33, and the reset plate 23 is located in the cavity 26. The lateral wall of fixed cover 33 has been seted up the groove that resets, and the length direction in the groove that resets is parallel with the orientation of seting up of rotating groove 211, and the board that resets 23 fixedly connected with reset block, reset block sliding connection are in the groove that resets. One end of the reset plate 23 close to the connecting plate 4 is fixedly connected with a pulling plate 232, the pulling plate 232 is fixedly connected with the telescopic shaft 32, and the spring 31 is positioned between the pulling plate 232 and the fixed cover 33. When the reset block is located at one end of the reset groove close to the connecting plate 4, the limiting block 41 is inserted into the limiting groove 11, and when the reset block is located at the other end of the reset groove, the limiting groove 11 is separated from the limiting block 41. After the limiting block 41 is inserted into the limiting groove 11, a user can pull the reset plate 23, the reset plate 23 pulls the pull plate 232 and further pulls the telescopic shaft 32 to slide in a direction away from the connecting plate 4, and then the limiting block 41 is separated from the limiting groove 11, so that the main shaft 1 can be emergently unlocked, and further the gate can be emergently unlocked.

Referring to fig. 2, the main beam 2 is fixedly connected with a sliding plate 24 positioned in the cavity 26, and the sliding plate 24 is parallel to the returning plate 23. The sliding plate 24 is provided with a sliding groove 242 parallel to the reset groove, the sliding groove 242 penetrates the sliding plate 24, and the length of the sliding groove 242 is equal to the length of the reset groove. The reset plate 23 is vertically and fixedly connected with a connecting rod 231, and the connecting rod 231 is slidably connected in the sliding groove 242. The user can stimulate the connecting rod 231 and slide in the sliding chute 242, and then drives the reset plate 23 and slides to the realization is adjusted telescopic shaft 32, and it is comparatively convenient to operate.

Referring to fig. 2, a groove is formed in the sliding plate 24, a lock cylinder 241 is rotatably connected to the groove, a rotating plate 2411 is fixedly connected to the lock cylinder 241, and the rotating plate 2411 abuts against the connecting rod 231. The side of the lock cylinder 241 far away from the sliding plate 24 penetrates through the side wall of the main beam 2 and is rotatably connected with the main beam 2. The user can use the rotatory lock core 241 of the key that matches with lock core 241, and then lock core 241 drives rotor plate 2411 and rotates, and rotor plate 2411 promotes connecting rod 231 and slides to the direction of keeping away from connecting plate 4, and then realizes the function of urgent unblock, can fix a position connecting rod 231's position through rotating lock core 241 simultaneously, and then can liberate user's both hands, and it is comparatively convenient to operate.

Referring to fig. 2, the upper surface of the main shaft 1 is fixedly connected with a limiting column 12, and the limiting column 12 is close to the limiting groove 11. Threaded hole 14 is seted up to the lateral wall that main beam 2 kept away from main shaft 1, and threaded connection has stop screw 25 in the threaded hole 14, and stop screw 25 can contradict with spacing post 12. The limit screw 25 is abutted with the limit column 12 and can limit the position of the main shaft 1, so that the possibility that the main shaft 1 is excessively rotated can be reduced, the possibility that the gate is damaged due to excessive rotation can be reduced, and the service life of the gate can be prolonged.

The implementation principle of the embodiment 1 is as follows: when 3 circular telegrams of electromagnetic lock, 3 absorption telescopic shaft 32 of electromagnetic lock and then pulling connecting plate 4 rotate, thereby make stopper 41 separate from spacing groove 11, when 3 electricity losses of electromagnetic lock, 3 lose magnetic force and then spring 31 promote connecting plate 4 antiport of electromagnetic lock, and then make stopper 41 insert and establish in spacing groove 11, and then carry on spacingly to main shaft 1, and then reduce because the outage causes the floodgate machine to lose power, lead to the expert to push away the floodgate door by force and the possibility of passing through, guarantee current orderliness, reduce the possibility that the potential safety hazard produced.

Example 2

Referring to fig. 3, the present embodiment is different from embodiment 1 in the manner of pushing the link plate 4 to rotate. The main beam 2 is fixedly connected with a permanent magnet 22 positioned in the cavity 26, the permanent magnet 22 is positioned on one side of the connecting plate 4 far away from the main shaft 1, and the permanent magnet 22 is close to the top end of the connecting plate 4. Permanent magnet 22's magnetic force is less than the magnetic force that produces when 3 circular telegrams of electromagnetic lock, permanent magnet 22's magnetic force is overcome to the magnetic force that 3 electromagnetic locks produced, and then the top of pulling connecting plate 4 is close to electromagnetic lock 3, and then make stopper 41 separate from spacing groove 11, when 3 electricity losses of electromagnetic lock, electromagnetic lock 3 loses magnetic force, permanent magnet 22 adsorbs connecting plate 4 this moment and makes the top of connecting plate 4 link to each other with permanent magnet 22, and then make stopper 41 insert and establish spacing groove 11, thereby realize spacing to main shaft 1, can guarantee the stability to floodgate machine threshold position.

Example 3

Referring to fig. 4, the present embodiment is different from embodiment 1 in the moving manner of the connection plate 4. The two sides of the connecting plate 4 are fixedly connected with sliding plates 44 respectively, the inner wall of the cavity 26 is horizontally provided with a transverse groove 27, and the opening direction of the transverse groove 27 is vertical to the axis of the main shaft 1. The sliding plate 44 is slidably connected in the transverse groove 27, and the sliding plate 44 is parallel to the upper surface of the main beam 2. The fixed cover 33 is fixedly connected in the cavity 26, and the sliding direction of the telescopic shaft 32 is parallel to the length direction of the connecting plate 4. After 3 circular telegrams of electromagnetic lock, electromagnetic lock 3 adsorbs the telescopic shaft 32 to the direction slip of keeping away from main shaft 1, and then pulling connecting plate 4 slides to the direction of keeping away from main shaft 1 in transverse groove 27, thereby make stopper 41 separate from spacing groove 11, after 3 loses the electricity of electromagnetic lock, spring 31 promotes telescopic shaft 32 and then promotes connecting plate 4 horizontal slip, thereby insert stopper 41 and establish and carry on spacingly to main shaft 1 in the spacing groove 11, and then reduce and cause the floodgate to lose power owing to the outage, lead to the passerby to push away the floodgate door by force and the possibility of passing through, guarantee current orderliness, reduce the possibility that the potential safety hazard produced.

Referring to fig. 4, a cross bar 251 is fixedly connected to the limit screw 25, and the cross bar 251 is located in the cavity 26 and is fixedly connected to the inner wall of the cavity 26. Horizontal pole 251 can fix stop screw 25 to guarantee that stop screw 25 can carry on spacingly to spacing post 12, and then guarantee main shaft 1's turned angle, reduce main shaft 1 and excessively rotate the possibility that leads to the floodgate door to damage, guarantee the life of floodgate machine.

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