CN115288086B

CN115288086B - Sluice buffer stop

Info

Publication number: CN115288086B
Application number: CN202211066635.2A
Authority: CN
Inventors: 吴敬红; 李卫国; 徐海波; 褚志辉; 戴国华; 郑嘉
Original assignee: Zhejiang Jiangneng Construction Co ltd
Current assignee: Zhejiang Jiangneng Construction Co ltd
Priority date: 2022-09-01
Filing date: 2022-09-01
Publication date: 2024-06-04
Anticipated expiration: 2042-09-01
Also published as: CN115288086A

Abstract

The invention belongs to the technical field of hydraulic engineering, and particularly relates to a sluice anti-collision device, which comprises a wall body and a sluice gate, wherein the wall body is provided with a first rectangular chute, the sluice gate is in sliding fit in the first rectangular chute, the bottom of the wall body is provided with a T-shaped groove, a first buffer mechanism is arranged in the T-shaped groove, the right side of the wall body is provided with a second movable buffer mechanism at a position with a certain interval on the sluice gate. Thereby improving the service life of the gate.

Description

Sluice buffer stop

Technical Field

The invention belongs to the technical field of hydraulic engineering, and particularly relates to a sluice anti-collision device.

Background

The gate is used for closing and opening the control means of the water discharge channel. Important components of the hydraulic building can be used for intercepting water flow, controlling water level, regulating flow, discharging sediment, floating objects and the like.

The gates widely used in hydraulic engineering at present are mainly steel, cast iron and reinforced concrete gates. In recent years, new high-performance gate technologies are gradually matured and applied to hydraulic engineering, and the new gate has higher strength than steel, cast iron and reinforced concrete gates and lower rigidity. Therefore, when external impact is encountered, extra protection is needed, especially when flood, debris flow or floater impact on the gate, in order to reduce damage caused by the impact, normal operation of the gate is ensured, and an anti-collision device is needed to be arranged on the gate.

When the gate is finally put down, even if the speed of putting down is slow enough, the bottom of the gate and the water bottom are inevitably collided to a certain extent, and the service life of the gate is also reduced more or less in daily accumulation and moon.

Disclosure of Invention

The invention provides a sluice anti-collision device for overcoming the defects of the prior art.

In order to achieve the above object, the present invention provides the following technical solutions: a sluice buffer stop, includes wall body and gate, the notch first has been seted up to wall body centre, the rectangle spout first has been seted up to wall body symmetry of notch first both sides, gate sliding fit is in rectangle spout first, T type groove has been seted up to wall body of rectangle spout first bottom, and T type groove communicates with each other with rectangle spout first, T type groove maximum width is the same with rectangle spout first width, be provided with buffer mechanism first in the T type groove, the right side rectangle spout first is close to upper end position and has seted up meshing groove first, meshing groove has been seted up the gear groove in the meshing groove first, and gear groove is wider than meshing groove first, meshing groove second has been seted up to gear groove one side, rectangular spout second right side has been seted up to the length of rectangle spout second is slightly shorter than notch first length, rectangular spout third has been seted up to the wall body of rectangle spout second bottom, and rectangular spout third width is less than rectangular spout second width, rectangular spout third length is three times of spout, be provided with buffer mechanism second in the wall body.

Optionally, buffer structure one includes buffer plate one, buffer cushion, buffer assembly one, buffer assembly two and buffering bottom plate, buffer cushion is fixed to be set up in buffer plate one terminal surface, and buffer cushion size is the same with buffer plate one, notch two has been seted up to buffer cushion both ends symmetry, notch three has been seted up to buffer cushion both ends symmetry, notch two is located notch three's inboard, buffer assembly one upper end is fixed to be set up in buffer plate one middle terminal surface down, buffer assembly one lower extreme is fixed to be set up in buffer bottom plate middle terminal surface, buffer assembly two symmetry is fixed to be set up in buffer plate one and buffer bottom plate both ends, and buffer assembly one is located between buffer assembly two, buffer bottom plate is placed in T type groove bottom.

Optionally, the first buffer assembly includes two connecting pieces and cylinder one, connecting piece one all passes notch two and is fixed in on the buffer board one, connecting piece one all articulates the cooperation has the connecting rod, the connecting rod is kept away from the one end of connecting piece one and all articulates the cooperation has connecting piece two, connecting piece two all cup joints and sliding fit is on cylinder one, fixedly between the connecting piece two is provided with spring one, and spring one cup joints on cylinder one, cylinder one both ends are all fixedly provided with connecting piece three, connecting piece three is fixed in on the buffering bottom plate.

Optionally, two buffer components include the pipe, the pipe symmetry just is fixed to be set up in buffer bottom plate both sides, and pipe and the three concentricity of notch, all be provided with the spring two in the pipe, spring two upper ends all are provided with the cylinder two, and spring two upper ends and two bottom surfaces contacts of cylinder, two lower extreme of cylinder is located the pipe and is sliding fit, two tops of cylinder all pass notch three and are fixed in buffer bottom surface under the buffer plate, the pipe has cup jointed spring three outward, and spring three is not contacted with the pipe, both ends are fixed connection in blotter piece and buffer bottom plate one side respectively about the spring three.

Optionally, a rack I is fixedly arranged on the right side face of the gate.

Optionally, the second buffer mechanism comprises a transmission assembly and a buffer plate assembly, the transmission assembly comprises a gear and a wheel shaft, the wheel shaft is fixed on two sides of a gear groove, the gear is in running fit on the wheel shaft, the maximum diameter of the gear is tangent to the inner wall of the gear groove, the gear is exposed out of part of the gear through a first meshing groove and a second meshing groove, and the exposed part of the gear of the first meshing groove is meshed with the first rack.

Optionally, the buffer board subassembly includes buffer board two, rectangle slider, rectangle piece one, rack two and rectangle piece two, the rectangle slider is fixed in buffer board two bottoms, rectangle piece one is fixed in buffer board two left side upper ends, rack two is fixed in rectangle piece terminal surface down, rectangle piece two is fixed in rectangle slider left end, buffer board two sliding fit is in rectangle spout two, rectangle piece one sliding fit is in meshing groove two, the rack two meshes with the partial gear that exposes in the meshing groove two, rectangle slider and rectangle piece two together sliding fit in rectangle spout three.

Optionally, the buffer plate two sets up to the round platform in the middle of the upstream face, the round platform side is the arc surface, buffer plate two of round platform upper and lower end has all been seted up buffer tank two, buffer tank one has all been seted up to round platform left and right sides, buffer tank two and buffer tank one inner wall are the arc surface.

In summary, the application has the following beneficial effects:

The groove required to be placed in the gate embedding part is designed into a T-shaped groove, and the buffer mechanism I is arranged in the T-shaped groove, so that the buffer mechanism I is further slowly placed in the T-shaped groove when contacting the bottom of the gate, thereby avoiding slight collision between the gate and the water bottom, preventing the wearing of the gate in daily and monthly forms, and prolonging the service life of the gate.

In the application, when the buffer mechanism I is in a completely relaxed state, the topmost buffer plate I of the buffer mechanism I is in a plane with the water bottom surface, and the size of the buffer plate is adapted to the largest notch of the T-shaped groove, so that sludge is prevented from entering the T-shaped groove when the buffer mechanism I works or does not work, the service life and the working quality of the buffer mechanism I are improved, and the service life of the gate is further prolonged.

According to the application, the movable buffer plate II is arranged in front of the gate, and the impact force of water flow coming from the gate is reduced in a multi-layer manner through the round table with the circular arc surface and the buffer groove with the circular arc surface, so that the impact of the water flow on the gate is greatly weakened, and the service life of the gate is greatly prolonged.

According to the application, the first rack is arranged on the gate, and then the downward or upward force of the gate is transmitted to the leftward or rightward force of the second rack on the buffer plate through the gear, so that a driving device is not required to be arranged on the buffer plate separately, the required cost is greatly reduced, and the buffer plate has practicability.

In the application, the buffer plate II isolates most of water, so that the pressure of the water to the gate is greatly reduced, the opening and closing force required by the gate is greatly reduced, and the opening and closing of the gate are more facilitated.

When the gate slowly ascends, the buffer plate II is slowly moved back to the rectangular chute II, so that the instant water discharge during opening of the gate is greatly reduced, the gate is prevented from being damaged to a certain extent due to overlarge instant water discharge during opening of the conventional gate, and the service life of the gate is prolonged.

According to the application, the second rectangular block is designed on the sliding block of the second buffer plate and moves along with the buffer block, so that sludge is prevented from entering the third rectangular chute when the second buffer plate moves back to the second rectangular chute, the working quality of the second buffer plate is prevented from being influenced, and the service life of the gate is prolonged.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is an overall cross-sectional view of the present invention;

FIG. 3 is a schematic view of a wall structure according to the present invention;

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

FIG. 5 is a second cross-sectional view of the wall of the present invention;

FIG. 6 is a schematic diagram of a buffer mechanism according to the present invention;

FIG. 7 is a left side view of the cushioning mechanism of the present invention;

FIG. 8 is a cross-sectional view of a cushioning mechanism of the present invention;

FIG. 9 is a schematic view of a second damper mechanism and a gate according to the present invention;

FIG. 10 is a schematic view of a baffle assembly of the present invention;

in the figure: 10. a wall body; 11. a notch I; 12. a rectangular chute I; 13. a T-shaped groove; 14. a first engagement groove; 15. a gear groove; 16. a second engagement groove; 17. a rectangular sliding groove II; 18. a rectangular chute III; 20. a gate; 21. a first rack; 30. a first buffer mechanism; 31. a buffer plate I; 32. buffering cushion blocks; 32a, notch II; 32b, notch three; 33. a first buffer assembly; 331. a first connecting piece; 332. a connecting rod; 333. a second connecting piece; 334. a first cylinder; 335. a first spring; 336. a third connecting piece; 34. a buffer assembly II; 341. a round tube; 342. a second spring; 343. a second cylinder; 344. a third spring; 35. a buffer bottom plate; 40. a buffer mechanism II; 41. a transmission assembly; 411. a gear; 412. a wheel axle; 42. a buffer plate assembly; 421. a buffer plate II; 421a, round bench; 421b, buffer slot one; 421c, buffer tank two; 422. a rectangular slide block; 423. rectangular block I; 424. a second rack; 425. rectangular block two.

Detailed Description

In order to enable those skilled in the art to better understand the present invention, the following description will make clear and complete descriptions of the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-5, a water gate anti-collision device comprises a wall 10 and a gate 20, wherein a notch 11 is arranged in the middle of the wall 10, the notch 11 is used for placing the gate 20 and a water discharging channel, rectangular sliding grooves 12 are symmetrically arranged on the wall 10 at two sides of the notch 11, the gate 20 is in sliding fit in the rectangular sliding grooves 12, so that the gate 20 can move up and down along the rectangular sliding grooves 12, the rectangular sliding grooves 12 are used for guiding the downward gate 20 to enable the downward gate 20 to be more stable and accurate in position when the gate 20 is downward, a T-shaped groove 13 is arranged on the wall 10 at the bottom of the rectangular sliding grooves 12, the middle part of the T-shaped groove 13 is used for placing a buffer structure, steps for finally placing the gate 20 are arranged at two sides of the T-shaped groove 13, the T-shaped groove 13 is communicated with the rectangular sliding grooves 12, the maximum width of the T-shaped groove 13 is the same as that of the rectangular sliding grooves 12, a buffer mechanism 30 is arranged in the T-shaped groove 13, when the bottom of the gate 20 leaves the first rectangular chute 13, the gate 20 contacts with the first buffer mechanism 30 to start to put down the gate 20 at a slower speed, the first buffer mechanism 30 is used for slowing down the collision between the bottom of the gate 20 and the water bottom when the gate 20 is finally put down, the first right rectangular chute 12 is close to the upper end and provided with the first meshing groove 14, the first meshing groove 14 is provided with a gear groove 15, the gear groove 15 is wider than the first meshing groove 14, one side of the gear groove 15 is provided with the second meshing groove 16, the right side of the second meshing groove 16 is provided with the second rectangular chute 17, the length of the second rectangular chute 17 is slightly shorter than the length of the notch 11, the wall 10 at the bottom of the second rectangular chute 17 is provided with the third rectangular chute 18, the width of the third rectangular chute 18 is smaller than the width of the second rectangular chute 17, the length of the third rectangular chute 18 is three times that of the second rectangular chute 17, the buffer mechanism 40 is arranged in the wall 10, buffer mechanism two 40 is used to isolate most of the water so that the pressure on the upstream surface of gate 20 is greatly reduced, and the water flow to the upstream surface of gate 20 is buffered, thereby reducing the impact of the water flow on gate 20.

Referring to fig. 5 to 8, the first buffer mechanism comprises a first buffer plate 31, two first connecting pieces 331, a first cylinder 334 and a buffer bottom plate 35, wherein a buffer cushion block 32 is fixedly arranged at the lower end of the first buffer plate 31, the first buffer plate 31 is used for receiving the gate 20, the buffer cushion block 32 is used for final buffering that the bottom of the gate 20 finally falls on steps at two sides of the T-shaped groove 13, two ends of the buffer cushion block 32 are symmetrically provided with a second notch 32a, two ends of the buffer cushion block 32 are symmetrically provided with a third notch 32b, the second notch 32a is positioned at the inner side of the third notch 32b, the first connecting pieces 331 are both fixed on the buffer plate through the second notch 32a, the first connecting pieces 331 are both hinged and matched with a connecting rod 332, the connecting rod 332 is kept away from the one end of connecting piece one 331 and all articulates the cooperation has connecting piece two 333, connecting piece two 333 all cup joints and sliding fit is on cylinder one 334, fixedly be provided with first spring 335 between the connecting piece two 333, and first spring 335 cup joints on cylinder one 334, when buffer plate one 31 pushes down, connecting piece two 333 will be pushed by connecting rod 332 and slide inwards along cylinder one 334, connecting piece two 333 slides inwards and can compress spring one 335 this moment, the reaction force that produces when compressing spring one 335 plays a cushioning effect to buffer plate one 31, cylinder one 334 both ends all are fixed and are provided with connecting piece three 336, connecting piece three 336 is fixed in on buffer bottom plate 35, buffer bottom plate 35 is placed in T type 13 bottom.

Referring to fig. 5-8, the buffer bottom plate 35 outside the third connecting piece 336 is fixedly provided with a round tube 341, the round tube 341 is internally provided with a second spring 342, the upper end of the second spring 342 is provided with a second cylinder 343, the upper end of the second spring 342 is in contact with the bottom surface of the second cylinder 343, the lower end of the second cylinder 343 is located in the round tube 341 and is in sliding fit, the top end of the second cylinder 343 is fixed on the lower bottom surface of the first buffer plate 31 through a third notch 32b, when the first buffer plate 31 is pressed down, the second cylinder 343 is driven to be pressed down together in the round tube 341, because the lower end of the second cylinder 343 is provided with the second spring 342, the second cylinder 343 compresses the second spring 342 when being pressed down, the second spring 342 can play a role of buffering the first buffer plate 31 through the second cylinder 343, the round tube 341 is sleeved with the third spring 344, the upper end and the lower end of the third spring 344 is not in contact with the round tube 341, when the first buffer plate 31 is pressed down, the first buffer plate 31 drives the buffer pad 32 to be pressed down together, the first buffer plate 32 directly presses down the third buffer pad 32, and the first buffer plate 31 is compressed together, and the first buffer plate 31 is driven to play a role of pressing the buffer plate 31 to be pressed together, and the buffer plate 31 is pressed together.

Referring to fig. 9, a rack one 21 is fixedly arranged on the right side surface of the gate 20, and the rack one 21 is arranged on the gate 20 to power the buffer mechanism two 40 when moving out or retracting from the rectangular chute two 17 through a gear 411.

Referring to fig. 9 to 10, the buffer mechanism two 40 includes a transmission assembly 41 and a buffer plate assembly 42, the transmission assembly 41 is used for converting the force of the up-and-down movement of the shutter 20 into the force of the left-and-right movement of the buffer plate assembly 42, the transmission assembly 41 includes a gear 411 and an axle 412, the axle 412 is fixed on both sides of the gear slot 15, the gear 411 is rotatably fitted on the axle 412, the maximum diameter of the gear 411 is tangential to the inner wall of the gear slot 15, the gear 411 is meshed with the rack one 21 through the exposed part of the gear 411 of the first and second meshing slots 14 and 16, and the gear 411 can be rotated counterclockwise or clockwise by the lowering or lifting of the shutter.

Referring to fig. 9 to 10, the buffer plate assembly 42 includes a buffer plate two 421, a rectangular slider 422, a rectangular block one 423, a rack two 424 and a rectangular block two 425, the rectangular slider 422 is fixed at the bottom of the buffer plate two 421, the rectangular block one 423 is fixed at the upper left side of the buffer plate two 421, the rack two 424 is fixed at the lower end surface of the rectangular block one 423, the rack two 424 can enable the buffer plate assembly 42 to move left and right integrally by the rotation force of the gear 411, the rectangular block two 425 is fixed at the left end of the rectangular slider 422, the buffer plate two 421 is slidably engaged in the rectangular chute two 17, the rectangular block one 423 is slidably engaged in the engagement groove two 16, the rack two 424 is engaged with the exposed portion gear 411 in the engagement groove two 16, the rectangular slider 422 is slidably engaged with the rectangular block two 425 in the rectangular chute three 18, and the rectangular slider 422 and the rectangular block two 425 move simultaneously, thereby preventing sludge from entering the chute three 18.

Referring to fig. 9-10, the middle of the upstream surface of the second buffer plate 421 is provided with a circular arc surface, the side surface of the second buffer plate 421a is capable of buffering and weakening the impact force of water flow, the second buffer plate 421 at the upper end and the lower end of the first buffer plate 421a is provided with a second buffer groove 421c, the left side and the right side of the first buffer plate 421a are provided with a first buffer groove 421b, the inner wall of the first buffer groove 421c is provided with a circular arc surface, when the upstream surface of the second buffer plate 421 is popular, the water flow in the middle part is guided to the periphery through the radial surface of the first buffer plate 421a, when the water flow passes through the radial surface, the impact force of the water flow is weakened, the water flow weakened through the first buffer groove 421a collides with the water flow away from the first buffer groove 421a, so that the impact force of the water flow weakened through the first buffer groove 421a is further weakened, and the first buffer groove 421b is further weakened, and the second buffer groove 421b is further weakened, and the service life of the water flow is further prolonged, and the water flow is further weakened towards the second buffer gate 421 b.

Working principle: when the shutter 20 is put down, the shutter 20 moves down along the rectangular chute one 12, the rack one 21 on the right side of the shutter 20 moves down to drive the part of the gear 411 exposed through the engagement groove 14, so that the gear 411 rotates anticlockwise, the gear 411 rotates anticlockwise to drive the rack two 424 to move leftwards, the buffer plate two 421 gradually moves leftwards along with the shutter 20 gradually put down, when the shutter 20 is put down for a certain distance, the bottom of the shutter 20 contacts with the buffer plate one 31 of the buffer mechanism one 30, the buffer plate one 31 is pressed down by the shutter 20, the connecting rod 332 pushes the connecting piece two 333 to slide inwards along the cylinder one 334 due to the downward pressing of the buffer plate one 31, the connecting piece two 333 slides inwards to compress the spring one 335, the buffer plate one 31 is buffered by the reaction force generated when compressing the spring one 335, the cylinder two 343 will be driven to press down along the circular tube 341, because the spring two 342 is arranged at the lower end of the cylinder two 343, the spring two 342 will be compressed when the cylinder two 343 presses down, the spring two 342 which is compressed will buffer the buffer plate one 31 through the cylinder two 343, the circular tube 341 is sleeved with the spring three 344, the spring three 344 is not contacted with the circular tube 341, the upper and lower ends of the spring three 344 are respectively and fixedly connected with the buffer cushion block 32 and the buffer bottom plate 35, when the buffer plate one 31 presses down, the buffer plate one 31 drives the buffer cushion block 32 to press down together, the buffer cushion block 32 directly compresses the spring three 344, the compressed spring three 344 will buffer the buffer plate one 31, finally when the buffer plate one 31 drives the buffer cushion block 32 to press down together to the step of the T-shaped groove 13, the buffer cushion block 32 will buffer plate one 31 to play the final buffer effect, so as to reduce the impact of gate 20 with the bottom surface when gate 20 is finally lowered and to improve the service life of gate 20.

When the gate 20 is opened and drained, the first buffer mechanism 30 is gradually loosened until the bottom of the gate 20 leaves the highest surface of the T-shaped groove 13, the first buffer mechanism 30 is completely loosened, at the moment, the buffer plate 31 of the first buffer mechanism 30 is flush with the bottom surface, thereby preventing sludge from entering the T-shaped groove 13 to affect the function of the first buffer mechanism 30, the service life of the first buffer mechanism 30 is prolonged, further the service life of the gate 20 is prolonged, in the process of rising the gate 20, the rack 21 drives the gear 411 to rotate clockwise, the gear 411 rotates clockwise to drive the buffer plate 421 to gradually retract into the rectangular chute II 17, when the gate 20 gradually rises and the buffer plate II 421 gradually retracts into the rectangular chute II 17, the instant water drainage quantity when the gate 20 rises is greatly avoided, the impact force on the gate 20 is greatly weakened, further the service life of the gate 20 is greatly prolonged, when the buffer plate II 421 completely retracts into the rectangular chute II 17, the rectangular block II is completely pulled out, the shape of the rectangular block II is completely the rectangular chute II is completely the same as the rectangular chute II 18, the sludge is prevented from entering the rectangular III, the rectangular III is prevented from entering the rectangular chute II, the rectangular chute II is completely, the opening and the buffer plate 421 is completely separated from the rectangular chute II is greatly, the opening the buffer plate 20 is greatly reduced, and the service life of the buffer plate 421 is greatly opened, and the opening and the buffer plate 20 is greatly opened, and the service life of the gate 20 is greatly opened.

Certain terms are used throughout the description and claims to refer to particular components. Those of skill in the art will appreciate that a hardware manufacturer may refer to the same component by different names. The description and claims do not take the form of an element differentiated by name, but rather by functionality. As used throughout the specification and claims, the word "comprise" is an open-ended term, and thus should be interpreted to mean "include, but not limited to. By "substantially" is meant that within an acceptable error range, a person skilled in the art is able to solve the technical problem within a certain error range, substantially achieving the technical effect.

It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a product or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such product or system. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a commodity or system comprising such elements.

While the foregoing description illustrates and describes the preferred embodiments of the present application, it is to be understood that the application is not limited to the forms disclosed herein, but is not to be construed as limited to other embodiments, and is capable of numerous other combinations, modifications and environments and is capable of changes or modifications within the scope of the inventive concept as expressed herein, either as a result of the foregoing teachings or as a result of the knowledge or technology of the relevant art. And that modifications and variations which do not depart from the spirit and scope of the application are intended to be within the scope of the appended claims.

Claims

1. A sluice buffer device is characterized by comprising a wall body (10) and a gate (20), wherein a first notch (11) is formed in the middle of the wall body (10), a first rectangular chute (12) is symmetrically formed in the wall body (10) on two sides of the first notch (11), the gate (20) is in sliding fit with the first rectangular chute (12), a T-shaped chute (13) is formed in the wall body (10) on the bottom of the first rectangular chute (12), the T-shaped chute (13) is communicated with the first rectangular chute (12), the maximum width of the T-shaped chute (13) is the same as the width of the first rectangular chute (12), a buffer mechanism (30) is arranged in the T-shaped chute (13), a meshing groove (14) is formed in the position, close to the upper end, a gear groove (15) is formed in the meshing groove (14), a second rectangular chute (17) is formed in the right side of the meshing groove (16), the length of the second rectangular chute (17) is slightly shorter than that of the first rectangular chute (11), a buffer mechanism (40) is formed in the bottom of the second rectangular chute (10), the second buffer mechanism (40) comprises a transmission assembly (41) and a buffer plate assembly (42), the transmission assembly (41) comprises a gear (411) and a wheel shaft (412), the wheel shaft (412) is fixed on two sides of a gear groove (15), the gear (411) is in running fit on the wheel shaft (412), the maximum diameter of the gear (411) is tangent to the inner wall of the gear groove (15), the gear groove (15) is wider than the first meshing groove (14), the gear (411) is exposed out of a part of the gear (411) through the first meshing groove (14) and the second meshing groove (16), a rack (21) is fixedly arranged on the right side surface of the gate (20), the exposed part of the gear (411) of the first meshing groove (14) is meshed with the rack (21), the buffer plate assembly (42) comprises a second buffer plate (422), a first rectangular block (423), a second rack (424) and a second rectangular block (425), the second rectangular block (422) is fixed on the bottom of the buffer plate (421), the first rectangular block (423) is fixed on the left end face of the second rectangular block (423) and the second rectangular block (425) is fixed on the left end face of the first rectangular block (423), the buffer plate II (421) is in sliding fit with the rectangular sliding groove II (17), the rectangular block I (423) is in sliding fit with the meshing groove II (16), the rack II (424) is meshed with a part of the gear (411) exposed in the meshing groove II (16), the width of the rectangular sliding groove III (18) is smaller than that of the rectangular sliding groove II (17), the length of the rectangular sliding groove III (18) is three times that of the rectangular sliding groove II (17), and the rectangular sliding block 422 and the rectangular block II (425) are in sliding fit with the rectangular sliding groove III (18) together.

2. The water gate anti-collision device according to claim 1, wherein the first buffer mechanism (30) comprises a first buffer plate (31), a first buffer cushion block (32), a first buffer assembly (33), a second buffer assembly (34) and a buffer bottom plate (35), the first buffer cushion block (32) is fixedly arranged on the lower end face of the first buffer plate (31), the buffer cushion block (32) is identical in size to the first buffer plate (31), two slots (32 a) are symmetrically arranged at two ends of the buffer cushion block (32), three slots (32 b) are symmetrically arranged at two ends of the buffer cushion block (32), the second slots (32 a) are positioned on the inner side of the three slots (32 b), the upper end of the first buffer assembly (33) is fixedly arranged on the middle lower end face of the first buffer plate (31), the lower end of the first buffer assembly (33) is fixedly arranged on the middle upper end face of the buffer bottom plate (35), the second buffer assembly (34) is symmetrically arranged at two ends of the first buffer plate (31) and the buffer bottom plate (35), the first buffer assembly (33) is positioned between the second buffer assembly (34) and the bottom plate (35) and is placed at the bottom of the T-shaped buffer plate (13).

3. The water gate anti-collision device according to claim 2, wherein the first buffer component (33) comprises two first connecting pieces (331) and a first cylinder (334), the first connecting pieces (331) are all fixed on the first buffer plate (31) through the second notch (32 a), the first connecting pieces (331) are all hinged to be matched with the connecting rods (332), one ends of the connecting rods (332) far away from the first connecting pieces (331) are all hinged to be matched with the second connecting pieces (333), the second connecting pieces (333) are all sleeved on the first cylinder (334) in a sliding fit mode, a first spring (335) is fixedly arranged between the second connecting pieces (333), the first spring (335) is sleeved on the first cylinder (334), two ends of the first cylinder (334) are all fixedly provided with the third connecting pieces (336), and the third connecting pieces (336) are fixed on the buffer bottom plate (35).

4. The water gate anti-collision device according to claim 2, wherein the second buffer assembly (34) comprises a circular tube (341), the circular tube (341) is symmetrically and fixedly arranged on two sides of the buffer bottom plate (35), the circular tube (341) is concentric with the third notch (32 b), the circular tube (341) is internally provided with a second spring (342), the upper end of the second spring (342) is provided with a second cylinder (343), the upper end of the second spring (342) is in contact with the bottom surface of the second cylinder (343), the lower end of the second cylinder (343) is positioned in the circular tube (341) and is in sliding fit, the top end of the second cylinder (343) is fixedly arranged on the bottom surface of the first buffer plate (31) through the third notch (32 b), the third spring (344) is sleeved outside the circular tube (341), the third spring (344) is not in contact with the circular tube (341), and the upper end and the lower end of the third spring (344) are fixedly connected to one side of the buffer bottom plate (35) respectively.

5. The water gate anti-collision device according to claim 1, wherein a round table (421 a) is fixedly arranged in the middle of a water facing surface of the second buffer plate (421), the side surface of the round table (421 a) is an arc surface, the second buffer plates (421) at the upper end and the lower end of the round table (421 a) are respectively provided with a second buffer groove (421 c), the left side and the right side of the round table (421 a) are respectively provided with a first buffer groove (421 b), and the inner walls of the second buffer grooves (421 c) and the first buffer grooves (421 b) are arc surfaces.