CN116061885A - Flushing device for mechanically synchronous following railway carriage connection - Google Patents

Abstract

The invention belongs to the field of train cleaning devices, and discloses a flushing device for mechanically and synchronously following the joints of railway carriages, which comprises a cantilever, wherein one end of the cantilever is arranged on a cleaning device, the other end of the cantilever is suspended, a sliding rail is fixedly arranged on the cantilever, a bouncing mechanism is vertically arranged on the sliding rail through a sliding block, a water spraying device is fixedly arranged on the bouncing mechanism, when a train advances, the inner wall of the rear part of the carriage contacts with the bottom end of the bouncing mechanism and pushes the bouncing mechanism to slide along the sliding rail, at the moment, the water spraying device is aligned with the joints of the rear part of the carriage, the joints of the railway carriages are synchronously cleaned, and the upper surface of the cantilever is provided with a bouncing triggering mechanism which is used for triggering the bouncing mechanism to bounce and reset, so that the cleaning cycle is completed. The device can realize automatic cleaning of synchronously following the train, has adjustable height, adjustable elasticity and high adaptability, improves the cleaning efficiency, saves labor and avoids the potential safety hazard of manual cleaning.

Description

Flushing device for mechanically synchronous following railway carriage connection

Technical Field

The invention belongs to the field of train cleaning devices, and particularly relates to a flushing device for mechanically and synchronously following a train carriage joint.

Background

After loading (such as various mineral powder and coal) of the port railway carriage by the loading building, the joint of the railway carriage, the coupler and the carriage edge can scatter the blanking scraps. The scattered scraps can cause potential safety hazards in the running process of the train, and railway departments need to clean the scraps to enter the railway for delivery. The cleaning is carried out by manpower at present, the working environment is poor, the cleaning task is heavy, the danger coefficient is high, the on-site dust is large, the physical health of workers is also unfavorable, and the potential safety hazards are more.

Disclosure of Invention

The invention aims to provide a flushing device for mechanically and synchronously following the junction of a railway carriage so as to solve the technical problems.

In order to solve the technical problems, the specific technical scheme of the flushing device for the mechanically synchronous following railway carriage connection part is as follows:

the utility model provides a mechanical synchronization follows washing unit of train carriage junction, includes the cantilever, the cantilever is rectangular, is located train carriage top and train direction of motion parallel, cantilever one end is installed on cleaning device, and the other end is unsettled, fixed mounting has the slide rail on the cantilever, and the bouncing mechanism passes through the slider and installs perpendicularly on the slide rail, fixed mounting has water jet equipment on the bouncing mechanism, when the train advances, carriage rear portion inner wall and bouncing mechanism bottom contact to promote bouncing mechanism and slide along the slide rail, water jet equipment aims at the junction at carriage rear portion at this moment, washs train carriage junction in step, the cantilever upper surface has the bouncing trigger mechanism, the bouncing trigger mechanism is used for triggering bouncing mechanism and resets, accomplishes cleaning cycle circulation.

Further, limiting blocks are arranged at two ends of the sliding rail and used for limiting the movement distance of the bouncing mechanism.

Further, including proximity switch, proximity switch installs at the cantilever upper surface, fixedly connected with sensing plate on the slider, the mechanism of bouncing is in the slide rail leftmost end under initial condition, sensing plate and proximity switch contact, when the carriage promotes the mechanism of bouncing and moves forward together, proximity switch's sensing plate leaves proximity switch, judges through the procedure, opens the water valve, and water jet equipment intakes, realizes the washing to carriage junction.

Further, the device comprises a tension balancer which is fixedly arranged at the tail end of the cantilever, a steel wire rope of the tension balancer is connected with the bouncing mechanism, and when the bouncing mechanism is bounced off a railway carriage, the tension balancer pulls the bouncing mechanism back to reset, so that a cycle is realized.

Further, the bouncing mechanism comprises a bouncing part, a bending part and a contact roller, wherein the bouncing part is fixedly connected to the sliding block, the bending part is fixed at the lower end of the bouncing part, the contact roller is fixed at the lower end of the bending part, when a train advances, a carriage is contacted with the contact roller, the bouncing part moves forward along a sliding rail along with the carriage, and when the train backs up to touch the contact roller, the bending part bends, so that the train is prevented from backing up to crash the flushing device.

Further, the bouncing component comprises a shaft, a shaft sleeve, a first bearing, a first spring, a C-shaped pin and a locking component, wherein the upper end of the shaft sleeve is fixed on the sliding block, the shaft penetrates through the shaft sleeve, the upper end of the shaft penetrates through the upper surface of the cantilever and is connected with the first bearing, the lower end of the shaft penetrates through the shaft sleeve and is fixedly connected with the bending component, a step is arranged at the upper end of the shaft, a step is also arranged in the shaft sleeve, the first spring is arranged between the steps, the side wall of the shaft sleeve is provided with a vertical sliding groove, when the shaft sleeve is inserted into the shaft sleeve, the shaft is driven into the C-shaped pin, the shaft slides up and down along the sliding groove in the shaft sleeve, the lower end of the shaft is provided with a groove, the side wall of the shaft sleeve is provided with a through hole, the through hole is internally provided with the locking component for locking the shaft in an initial state, the first spring is in a compressed state when the shaft is subjected to an upward force, the locking component is unlocked, the shaft rapidly bounces upward under the action of the spring force, and the contact roller is separated from a carriage.

Further, the locking component comprises a threaded pipe, a steel ball, a spring II and a set screw nut, wherein the steel ball is arranged in the through hole, the threaded pipe is arranged outside the through hole, the spring II is arranged in the threaded pipe through the set screw nut and compresses the steel ball, in an initial state, the spring I is in a compressed state, the steel ball is always clamped with the shaft through a groove due to the force of the spring II, so that the shaft cannot be sprung upwards, when the shaft is subjected to an upward force, the limitation of the steel ball is removed, the steel ball is rapidly sprung upwards under the action of the spring I, the steel ball rolls along the shaft inside the shaft sleeve, and when the shaft encounters the force again, the shaft is just clamped by the steel ball, and returns to the initial state and is kept.

Further, the water spraying device is arranged on the shaft sleeve and comprises a cross fixing clamp, a water pipe joint, a rear fixing clamp, a second bearing and a water spraying rod, the water pipe joint is fixed on the shaft sleeve by the cross fixing clamp, the water spraying rod is arranged at the front end of the water pipe joint, the rear end of the water pipe joint is connected with a water pipe hose, the rear fixing clamp is arranged at the rear end of the water pipe joint, the second bearing is arranged at two ends of the rear fixing clamp and is contacted with the lower surface of the cantilever, and when the water spraying device moves forwards along with the bouncing part, the second bearing at the tail end slides along the lower surface of the cantilever to support the water spraying device.

Further, the bending part comprises a connecting sleeve, a lower shaft sleeve and a fixed sleeve, the connecting sleeve is fixedly connected with the lower end of the shaft through a fixing screw, a notch is formed in one side of the lower end of the connecting sleeve, the notch faces the backward direction of the train, the lower shaft sleeve is movably connected with the lower end of the connecting sleeve through a pin shaft, a connecting rod is arranged at the upper end of the contact roller, the connecting rod is sleeved in the lower shaft sleeve and is fixedly connected with the lower end of the lower shaft sleeve through the fixed sleeve, the extending length of the connecting rod can be freely adjusted, when the train moves backward, the lower shaft sleeve swings backward, and the contact roller bends to prevent collision with a carriage.

Further, the spring triggering mechanism comprises a spring inclined plane and a pressing inclined plane, the spring inclined plane and the pressing inclined plane are fixed on the upper surface of the cantilever, the pressing inclined plane is arranged at the left end of the sliding rail, the pressing inclined plane is arranged at the right end of the sliding rail, the spring inclined plane and the pressing inclined plane are both slope-shaped table boards, when the spring mechanism moves along the sliding rail to reach the spring inclined plane on the cantilever, a bearing in the spring mechanism is sprung upwards along the axial direction to separate from a railway carriage, at the moment, the tension balancer pulls the spring mechanism back, when the spring mechanism enters the bottom of the pressing inclined plane, the shaft is pressed downwards again, when the next carriage passes through, the contact roller contacts with the carriage and continuously pushes the spring mechanism to move forwards, and meanwhile, the water spraying device sprays water to clean, the actions are repeated, and the cycle is circulated.

The flushing device for the mechanically synchronous following train carriage junction has the following advantages: the flushing device provided by the invention is provided with the contact roller and the sliding rail, can synchronously follow the movement of the train carriage and automatically clean the carriage connection part, is provided with the bouncing mechanism and the bouncing triggering mechanism, automatically bounces and resets, realizes the automatic cleaning of each section of connection part by periodic circulation, and is also provided with the bending part, and the contact roller can be folded up when the train backs up or encounters an obstacle to prevent the flushing device from being damaged.

Drawings

FIG. 1 is a schematic view of the mounting structure of the flushing device of the present invention;

FIG. 2 is a schematic view of the overall structure of the flushing device of the present invention;

FIG. 3 is a schematic view of a pop-up mechanism according to the present invention;

FIG. 4 is a schematic view of the pop-up component structure of the present invention;

FIG. 5 is a schematic cross-sectional view of a pop-up member of the present invention;

FIG. 6 is a schematic view showing the structure of the pop-up member in the pop-up state of the present invention;

FIG. 7 is a schematic view showing a sectional structure of the pop-up member in a pop-up state of the present invention;

FIG. 8 is a schematic view showing a sliding state of a second bearing along the lower surface of a cantilever;

FIG. 9 is a schematic view of the pop-up member of the present invention in a pop-up state;

FIG. 10 is a schematic view showing an initial state of the flushing device according to the present invention;

FIG. 11 is a schematic view showing a sprung state of the flushing device according to the present invention;

FIG. 12 is a schematic view showing a state of pressing down the flushing device according to the present invention;

the figure indicates: 1. a bracket; 2. a cleaning device; 3. a flushing device; 31. a cantilever; 32. a pop-up mechanism; 321. a pop-up member; 3211. a shaft; 32111. a groove; 3212. a shaft sleeve; 32121. a chute; 32122. a through hole; 3213. a locking sleeve; 3214. a lock nut; 3215. a first bearing; 3216. a first spring; 3217. a C-shaped pin; a locking member 3218; 32181. a threaded tube; 32182. a steel ball; 32183. a second spring; 32184. a set screw nut; 322. a bending member; 3221. connecting sleeves; 32211. a notch; 3222. a lower shaft sleeve; 3223. a fixed sleeve; 3224. a fixing screw; 3225. a pin shaft; 323. a contact roller; 33. a slide rail; 331. a limiting block; 34. a tension balancer; 35. a proximity switch; 351. an induction plate; 36. a pop-up trigger mechanism; 37. a slide block; 38. a water spraying device; 381. a cross-shaped fixing clamp; 382. a water pipe joint; 383. a rear fixing clip; 384. a second bearing; 385. a water spray rod.

Description of the embodiments

For a better understanding of the objects, structure and function of the present invention, a flushing device for mechanically synchronized trailing train car joints according to the present invention is described in further detail below with reference to the accompanying drawings.

As shown in figure 1, the flushing device 3 of the mechanically synchronous following train carriage joint is fixedly connected with the cleaning device 2 on the bracket 1 on one side of the train track, can be used together with the cleaning device 2, has an open carriage top, and is used for flushing the carriage-carriage joint. The present invention sets the forward direction of the train from left to right to describe the structure of the flushing device.

As shown in fig. 2, the flushing device 3 includes a cantilever 31, a pop-up mechanism 32, a slide rail 33, a slider 37, a tension balancer 34, a proximity switch 35, a pop-up trigger mechanism 36, and a water spraying device 38. The cantilever 31 is long and is positioned above the train carriage and parallel to the movement direction of the train, one end of the cantilever 31 is arranged on the cleaning device 2, and the other end is suspended. The cantilever 31 is fixedly provided with a sliding rail 33, the bouncing mechanism 32 is vertically arranged on the sliding rail 33 through a sliding block 37, and the bouncing mechanism 32 is provided with a water spraying device 38 which can move along with the bouncing mechanism 32. During the train advancing process, the inner wall of the rear part of the train carriage contacts with the bottom end of the bouncing mechanism 32 and pushes the bouncing mechanism 32 to slide along the sliding rail 33, and at this time, the water spraying device 38 is aligned with the joint of the rear part of the train carriage, so as to clean the joint of the train carriage synchronously. The two ends of the sliding rail 33 are provided with limiting blocks 331 for limiting the movement distance of the bouncing mechanism 32. Tension balancer 34 is fixedly mounted at the end of cantilever 31, tension balancer 24 is a commercially available mature product, the front end wire rope is retractable, and when no external force is applied, the tension balancer automatically retracts, and functions like a spring, but the tension stroke is much longer than that of the spring. The wire rope of the tension balancer 34 is connected to the pop-up mechanism, which pulls the pop-up mechanism 32 back to reset when the pop-up mechanism pops up off the railway car, achieving a cycle. The cantilever 31 has a pop-up trigger mechanism 36 on its upper surface, and the pop-up trigger mechanism 36 is used to trigger the pop-up mechanism 32 to pop up and reset. The proximity switch 35 is installed on the upper surface of the cantilever 31, the sensing plate 351 of the proximity switch 35 is fixedly connected to the sliding block 37, the bouncing mechanism 32 is positioned at the leftmost end of the sliding rail in an initial state, the sensing plate 351 is in contact with the proximity switch 35, when the carriage pushes the bouncing mechanism 32 to move forwards together, the sensing plate 351 of the proximity switch 35 leaves the proximity switch 35, a water valve is opened after program judgment, and the water spraying device 38 is used for water inflow, so that flushing of the joint of the carriage is realized.

As shown in fig. 3, the bouncing mechanism 32 includes a bouncing member 321, a bending member 322 and a contact roller 323, the bouncing member 321 is fixedly connected to the slider 37, the bending member 322 is fixed at the lower end of the bouncing member 321, the contact roller 323 is fixed at the lower end of the bending member 322, when the train is moving forward, the carriage contacts with the contact roller 323, the contact roller 323 can reduce friction, the bouncing member 321 moves forward along the sliding rail 33 along with the carriage, when the contact roller 323 is touched during the backward movement of the train, the bending member 322 bends, and the backward movement of the train is prevented from damaging the flushing device.

As shown in fig. 4 and fig. 5, the bouncing component 321 comprises a shaft 3211, a shaft sleeve 3212, a first bearing 3215, a first spring 3216, a C-shaped pin 3217 and a locking component 3218, wherein the upper end of the shaft sleeve 3212 is locked and fastened on the sliding block 37 through a locking sleeve 3213 and a locking nut 3214, the shaft 3211 penetrates through the shaft sleeve 3212, the upper end penetrates through the upper surface of the cantilever 31 and is connected with the first bearing 3215, and the lower end penetrates through the shaft sleeve 3212 to be fixedly connected with the bending component 322. As shown in fig. 5, a step is provided at the upper end of the shaft 3211, a step is provided inside the shaft sleeve 3212, a spring is provided between the steps, a vertical chute 32121 is provided on the side wall of the shaft sleeve 3212, when the shaft 3211 is sleeved into the shaft sleeve 3212, a C-shaped pin 3217 is driven into the shaft 3211, the shaft 3211 can slide up and down along the chute 32121 in the shaft sleeve 3212, and the C-shaped pin 3217 plays a limiting role to prevent the shaft 3211 from escaping out of the shaft sleeve 3212. The lower end of the shaft 3211 is provided with a groove 32111, the side wall of the shaft sleeve 3212 is provided with a through hole 32122, the through hole 32122 is internally provided with a locking part 3218 for locking the shaft 3211 in an initial state, the locking part 3218 comprises a threaded pipe 32181, a steel ball 32182, a spring II 32183 and a set screw nut 32184, the steel ball 32182 is arranged in the through hole 32122, the threaded pipe 32181 is arranged outside the through hole 32122, the spring II 32183 is arranged in the threaded pipe 32181 through the set screw nut 32184 and compresses the steel ball 32182, and the spring I3216 is in a compressed state in the initial state. The steel ball 32182 is always clamped with the shaft 3211 through the groove 32111 due to the force of the spring two 32183, so that the shaft 3211 cannot be sprung upwards, and the state is shown in fig. 3. When the shaft 3211 is subjected to an upward force, the restriction of the steel ball 32182 is released, the shaft 3211 is rapidly sprung up by the spring 3216, and the steel ball 32182 rolls along the shaft 3211 inside the sleeve 3212, as shown in fig. 6 and 7. When the shaft 3211 again encounters a force to push it down, the shaft 3211 is again just caught by the steel ball 32182, returning to its original state and remaining. In the mechanism, the upward bouncing force of the shaft 3211 is adjustable, the second spring 32183 is limited by the set screw nut 32184, and the elastic force of the second spring 32183 can be changed by adjusting the compression length of the set screw nut 32184, so that the bouncing force and the bouncing speed of the shaft 3211 are changed.

As shown in fig. 3, the water spraying device 38 is mounted on the shaft sleeve 3212, and includes a cross fixing clip 381, a water pipe connector 382, a rear fixing clip 383, a second bearing 384 and a water spraying rod 385, wherein the cross fixing clip 381 fixes the water pipe connector 382 on the shaft sleeve 3212, the water spraying rod 385 is mounted at the front end of the water pipe connector 382, the water pipe connector 382 is connected with a water pipe hose at the rear end, the second bearing 384 is mounted at the rear end of the water pipe connector 382 at the rear fixing clip 383, the second bearing 384 contacts with the lower surface of the cantilever, and when the water spraying device 38 moves forward along with the bouncing component 321, the second bearing 384 at the tail end slides along the lower surface of the cantilever 31 to support the water spraying device 38, so that the water spraying device 38 is more stable in the flushing process, as shown in fig. 8.

As shown in fig. 3, the bending part 322 includes a connecting sleeve 3221, a lower shaft sleeve 3222, and a fixing sleeve 3223, wherein the connecting sleeve 3221 is fixedly connected with the lower end of the shaft 3211 through a fixing screw 3224, a notch 32211 is formed on one side of the lower end of the connecting sleeve 3221, the notch 32211 faces the backward direction of the train, the lower shaft sleeve 3222 is movably connected with the lower end of the connecting sleeve 3221 through a pin shaft 3225, the lower shaft sleeve 3222 can rotate along the notch direction, a connecting rod 3231 is arranged at the upper end of the contact roller 323, the connecting rod 3231 is sleeved in the lower shaft sleeve 3222 and is fixedly connected with the lower end of the lower shaft sleeve 3222 through the fixing sleeve 3223, and the extension length of the connecting rod 3231 can be freely adjusted to adapt to carriages with different heights. When the train is backed up or other obstacles are encountered, the lower bushing 3222 swings backward, the contact roller 323 is bent, and collision with the car is prevented, as shown in fig. 9 below.

As shown in fig. 2, the pop-up trigger mechanism 36 includes a pop-up inclined plane 361 and a pressing inclined plane 362, where the pop-up inclined plane 361 and the pressing inclined plane 362 are fixed on the upper surface of the cantilever 31, the pressing inclined plane 362 is disposed at the left end of the sliding rail 33, the pressing inclined plane 362 is disposed at the right end of the sliding rail 33, both the pop-up inclined plane 361 and the pressing inclined plane 362 are slope-shaped tables, when the pop-up mechanism 32 moves along the sliding rail 33 to reach the pop-up inclined plane on the cantilever 31, the bearing one 3215 in the pop-up mechanism 32 will pop up upwards with the shaft 3211 to separate from the railway carriage, the pop-up mechanism 32 is not pushed by the carriage thrust, at this time, the pop-up mechanism 32 is pulled back by the tension balancer 34, and when the pop-up mechanism 32 enters the bottom of the pressing inclined plane, the shaft 3211 is pushed down to be reset, when the next carriage passes through, the contact roller 323 contacts with the carriage, the forward movement of the pop-up mechanism 21 can be continuously pushed, and the water spraying device 38 sprays water to clean, repeats the above actions, and the cycle.

As shown in fig. 10, when the carriage pushes the contact roller 323 forward, the whole bouncing mechanism 32 moves forward along the sliding rail 33, meanwhile, the bouncing mechanism 32 keeps the initial state, the sensing plate 351 leaves the proximity switch 35, the proximity switch 35 obtains a signal, the water valve is opened, the water spraying device 38 is used for flushing the carriage, and the water spraying device 38 can realize synchronous continuous flushing at the joint of the carriage.

When the bearing at the top of the pop-up mechanism 32 hits the pop-up slope 361, as shown in fig. 11, the pop-up slope 361 applies an upward force to the shaft 3211 of the pop-up mechanism 32, the shaft 3211 is disengaged from the lock of the steel ball 32182, the shaft 3211 is quickly popped up, the contact roller 323 is disengaged from the car control, and as shown in fig. 11, the tension balancer 34 quickly pulls the pop-up mechanism 32 back.

When the pop-up mechanism 32 pulls in the pushing down slope 362, as shown in fig. 12, the tension balancer 34 pulls back, the pushing down slope 362 pushes down the shaft 3211, when the pop-up mechanism 32 touches the stop block 331 to stop, the steel ball 32182 just locks the shaft 3211, the pop-up mechanism 32 just returns to the initial position, the proximity switch 35 just senses the sensing plate 351, the water valve is closed, and the water pipe stops water flushing, thus completing flushing for one cycle.

It will be understood that the invention has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (10)

1. The utility model provides a mechanical synchronization follows washing unit of railway carriage junction, includes cantilever (31), cantilever (31) are rectangular shape, lie in railway carriage top and train direction of motion parallel, cantilever (31) one end is installed on cleaning device (2), and the other end is unsettled, characterized in that, fixedly mounted has slide rail (33) on cantilever (31), and bouncing mechanism (32) are installed perpendicularly on slide rail (33) through slider (37), fixedly mounted has water jet equipment (38) on bouncing mechanism (32), and when the train advances, carriage rear portion inner wall and bouncing mechanism (32) bottom contact to promote bouncing mechanism (32) to slide along slide rail (33), the junction at this moment that water jet equipment (38) aim at the carriage rear portion, and the synchronization washs train carriage junction, cantilever (31) upper surface has bouncing trigger mechanism (36), bouncing trigger mechanism (36) are used for triggering bouncing mechanism (32) and bounce and reset, accomplish the cleaning cycle.

2. The flushing device according to claim 1, characterized in that the slide rail (33) has limiting blocks (331) at both ends for limiting the movement distance of the bouncing mechanism (32).

3. The flushing device according to claim 1, characterized by comprising a proximity switch (35), wherein the proximity switch (35) is mounted on the upper surface of the cantilever (31), a sensing plate (351) is fixedly connected to the sliding block (37), the bouncing mechanism (32) is positioned at the leftmost end of the sliding rail (33) in an initial state, the sensing plate (351) is in contact with the proximity switch (35), when the carriage pushes the bouncing mechanism (32) to move forwards together, the sensing plate (351) of the proximity switch (35) leaves the proximity switch (35), a water valve is opened after program judgment, and the water spraying device (38) is used for water inflow to flush the connection part of the carriage.

4. The flushing device of claim 1, comprising a tension balancer (34), the tension balancer (34) being fixedly mounted at the end of the cantilever (31), the wire rope of the tension balancer (34) being connected to the pop-up mechanism (32), the tension balancer (34) pulling the pop-up mechanism (32) back to reset when the pop-up mechanism (32) pops up off the railcar, enabling a cycle.

5. The flushing device according to claim 1, wherein the bouncing mechanism (32) comprises a bouncing component (321), a bending component (322) and a contact roller (323), the bouncing component (321) is fixedly connected to the sliding block (37), the bending component (322) is fixed at the lower end of the bouncing component (321), the contact roller (323) is fixed at the lower end of the bending component (322), when a train advances, a carriage is contacted with the contact roller (323), the bouncing component (321) moves forward along the sliding rail (33) along with the carriage, and when the train backs up to touch the contact roller (323), the bending component (322) bends to prevent the train from crashing the flushing device.

6. The flushing device according to claim 5, wherein the spring-up member 321 comprises a shaft (3211), a shaft sleeve (3212), a bearing I (3215), a spring I (3216), a C-shaped pin (3217) and a locking member (3218), the upper end of the shaft sleeve (3212) is fixed on the sliding block (37), the shaft (3211) passes through the shaft sleeve (3212), the upper end passes through the upper surface of the cantilever (31) and is connected with the bearing I (3215), the lower end passes through the shaft sleeve (3212) and is fixedly connected with the bending member (322), the upper end of the shaft (3211) is provided with a step, the shaft sleeve (3212) is internally provided with a step, a spring I (3216) is arranged between the steps, the side wall of the shaft sleeve (3212) is provided with a vertical sliding groove (32121), when the shaft (3211) is sleeved into the shaft sleeve (3212), the C-shaped pin (3217) of the shaft (3211) slides up and down along the sliding groove (32121), the lower end of the shaft (3211) is provided with a groove (3211) and the shaft (3211) is provided with a through hole (22) which is initially locked when the shaft (3211) is in a state, the shaft (3211) is locked by the side wall (1) is in a state of being locked by the compression member (1) and the compression member (22) is in a state of being locked by the compression member (1), the shaft (3211) is quickly sprung upwards under the action of the elastic force of the first spring (3216), and the contact roller (323) is separated from contact with the carriage.

7. The flushing device according to claim 6, wherein the locking member (3218) comprises a threaded tube (32181), a steel ball (32182), a spring two (32183) and a set screw nut (32184), the steel ball (32182) is placed in the through hole (32122), the threaded tube (32181) is arranged outside the through hole (32122), the spring two (32183) is arranged in the threaded tube (32181) through the set screw nut (32184) and compresses the steel ball (32182), in an initial state, the spring one (3216) is in a compressed state, the steel ball (32182) is always clamped with the shaft (3211) through a groove (32111) due to the force of the spring two (32183), so that the shaft (3211) cannot be sprung upwards, when the shaft (3211) is subjected to an upward force, the steel ball (32187) is released from the limitation, the shaft (3211) is rapidly sprung upwards by the action of the spring one (3216), the steel ball (32182) rolls along the shaft (3212) inside the shaft (3211) and is just clamped to the shaft (3211) when the shaft (3211) is just pressed down to the initial state.

8. The flushing device according to claim 6, wherein the water spraying device (38) is mounted on a shaft sleeve (3212) and comprises a cross fixing clip (381), a water pipe connector (382), a rear fixing clip (383), a second bearing (384) and a water spraying rod (385), the cross fixing clip (381) is used for fixing the water pipe connector (382) on the shaft sleeve (3212), the water spraying rod (385) is mounted at the front end of the water pipe connector (382), the water pipe hose is connected with the rear end of the water pipe connector (382), the second bearing (384) is mounted at the rear end of the rear fixing clip (383), the second bearing (384) is in contact with the lower surface of the cantilever (31), and when the water spraying device (38) moves forwards along with the bouncing component (321), the second bearing (384) at the tail end slides along the lower surface of the cantilever (31) to support the water spraying device (38).

9. The flushing device according to claim 5, wherein the bending part (322) comprises a connecting sleeve (3221), a lower shaft sleeve (3222) and a fixing sleeve (3223), the connecting sleeve (3221) is fixedly connected with the lower end of the shaft (3221) through a fixing screw (3224), a notch (32211) is formed in one side of the lower end of the connecting sleeve (3221), the notch (32211) faces the backward direction of the train, the lower shaft sleeve (3222) is movably connected with the lower end of the connecting sleeve (3221) through a pin shaft (3225), a connecting rod (3231) is arranged at the upper end of the contact roller (323), the connecting rod (3231) is sleeved in the lower shaft sleeve (3222) and is fixedly connected with the lower end of the lower shaft sleeve (3222) through the fixing sleeve (3223), the extending length of the connecting rod (3231) can be freely adjusted, and when the train is backward, the lower shaft sleeve (3222) swings backwards, and the contact roller (323) is bent to prevent collision with a carriage.

10. The flushing device of claim 6, wherein the pop-up trigger mechanism (36) includes a pop-up ramp (361) and a push-down ramp (362), the pop-up ramp (361) and the push-down ramp (362) are fixed on the upper surface of the cantilever (31), the push-down ramp (362) is disposed at the left end of the slide rail (33), the push-down ramp (362) is disposed at the right end of the slide rail (33), the pop-up ramp (361) and the push-down ramp (362) are both ramp-shaped platforms, when the pop-up mechanism (32) moves along the slide rail (33) to reach the pop-up ramp on the cantilever (31), the first bearing (3215) in the pop-up mechanism (32) lifts up with the shaft (3211) and releases from the train carriage, and the pull balancer (34) pulls the pop-up mechanism (32) back when the pop-up mechanism (32) enters the bottom of the push-down ramp (362), and the shaft (3211) is pushed down to reset when the next carriage passes through, the contact roller (323) and the push-up mechanism (21) moves forward, and the water spraying cycle is repeated.

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