A cart mechanism for a plate chain

Abstract

This utility model relates to a trolley mechanism for use on a plate chain, comprising: a support column; a main crossbeam fixedly mounted on the upper end of the support column; a driven wheel assembly located at one end of the main crossbeam; a drive assembly located at the other end of the main crossbeam; a sliding plate unit slidably mounted below the main crossbeam, the sliding plate unit being connected to both the driven wheel assembly and the drive assembly; and a push rod assembly, one end of which is located below the sliding plate unit, the other end of which is telescopically mounted above the plate chain, the push rod assembly being used to move the vehicle on the plate chain. Compared with the prior art, the trolley mechanism of this utility model has the advantages of simple structure, convenient installation, space saving, stable performance, and long service life.

Description

Technical Field

[0001] This utility model relates to the field of automobile final assembly line processes, and in particular to a trolley mechanism for use on a plate chain. Background Technology

[0002] With the rapid development of the global automotive industry, conveyor belts, as a common piece of equipment, are widely used on the final assembly lines. Because the conveyor belt is a continuous line, all vehicles on the assembly line move at the same speed continuously. However, the process of transferring vehicles from overhead friction line hangers to the conveyor belt via elevators at both ends of the assembly line is discontinuous. This causes the conveyor belt speed on the elevator to be significantly faster than the speed of the main conveyor belt on the production line. Therefore, a section of conveyor belt must be designed between the elevator and the main conveyor belt for speed regulation. When this section of conveyor belt connects with the elevator, its speed must be consistent with the elevator's speed. After the vehicle leaves the elevator's conveyor belt, it begins to decelerate, and when it connects with the main conveyor belt, its speed must be consistent with the main conveyor belt.

[0003] Because the chain conveyor belt carries a heavy load, the diameter of the chain wheels at both ends of the conveyor belt is chosen to be relatively large. Therefore, a joint groove inevitably exists where the two chain sections meet. When the vehicle's electronic brakes fail to engage in the previous process, the wheels are in a free state. The friction between the vehicle and the chain is very small, insufficient to push the vehicle out of the joint groove, causing the vehicle to become stuck. The traditional method is to manually stop the chain conveyor belt after discovering the vehicle is stuck, switch to manual operation mode, and then have a person pass through the light grating into the automatic operation area. After restarting the chain conveyor belt, the stuck vehicle is manually pushed out of the groove.

[0004] This method of operation has two main drawbacks. First, it disrupts the production cycle, as workers can only discover the malfunction at the workstation after the vehicle has been stuck for a period of time, and only then can they begin troubleshooting, a process that is quite time-consuming. Second, traditional manual troubleshooting methods pose significant safety hazards: one, if the time for manual discovery is too long, it may lead to collisions with subsequent vehicles; two, traditional solutions require manual entry into the automated workstation while the conveyor belt is running, which carries the risk of personal injury, and this method of operation is not permitted. Utility Model Content

[0005] The purpose of this utility model is to overcome the defects of the prior art and provide a trolley mechanism for plate chains. This trolley mechanism has the advantages of simple structure, convenient installation, space saving, stable performance and long service life.

[0006] The objective of this utility model can be achieved through the following technical solutions:

[0007] A trolley mechanism for use on a plate chain, comprising:

[0008] Supporting columns;

[0009] Main crossbeam: It is fixedly installed at the upper end of the supporting column;

[0010] Driven wheel assembly: It is located at one end of the main crossbeam;

[0011] Drive assembly: It is located at the other end of the main crossbeam;

[0012] Slide unit: It is slidably disposed below the main crossbeam, and the slide unit is simultaneously connected to the driven wheel assembly and the drive assembly;

[0013] Push rod assembly: One end of the push rod assembly is located below the slide plate unit, and the other end of the push rod assembly is telescopically located above the plate chain. The push rod assembly is used to drive the vehicle on the plate chain to move.

[0014] In one embodiment of this utility model, the driven wheel assembly includes a driven wheel seat, a driven wheel shaft, a driven pulley, and a bearing.

[0015] The driven wheel seat is fixedly connected to the side end of the main crossbeam, the lower end of the driven wheel shaft is fixed above the driven wheel seat by two bearings, and the lower end of the driven pulley is rotatably mounted above the driven wheel shaft by two bearings.

[0016] In one embodiment of this utility model, a shaft retaining plate is provided on the side where the driven wheel shaft connects to the driven wheel seat.

[0017] Both ends of the driven wheel shaft are provided with side spacers and middle spacers. The side spacers are located between the bearing and the driven wheel seat, and the middle spacers are located between the two bearings.

[0018] In one embodiment of this utility model, the drive assembly includes a drive wheel seat, a drive wheel shaft, a motor shaft pulley, a large drive pulley, a bearing seat, and a motor.

[0019] The bearing housing is fixedly connected to the side end of the main crossbeam, the drive wheel housing is fixed above the bearing housing, the drive wheel shaft is located inside the drive wheel housing, one end of the drive wheel shaft is provided with a large drive pulley, and the other end of the drive wheel shaft is connected to the motor shaft pulley of the motor.

[0020] In one embodiment of this utility model, a limiting spacer is provided at the connection between the drive pulley and the drive wheel seat.

[0021] The motor shaft pulley is connected to the drive wheel shaft via the motor shaft end plate.

[0022] As a preferred technical solution, the drive component is a two-stage transmission component.

[0023] In one embodiment of this utility model, the sliding plate unit includes a base plate, a sensor, a cable chain mounting plate, a timing belt pressure plate, a lever, an electric cylinder, an upper slider, and a lower slider.

[0024] The substrate is located below the main crossbeam, and a cable chain mounting plate and a sensor are provided on the side of the substrate.

[0025] The upper slider is located above the base plate, and a slide rail is provided below the main crossbeam. The upper slider is slidably connected to the slide rail, and a synchronous belt pressure plate is provided on the upper slider.

[0026] The lower slider is located below the substrate, and the push rod assembly is provided with a slide rail, to which the lower slider is slidably connected.

[0027] The electric cylinder is fixed below the base plate, and the telescopic end of the electric cylinder is connected to the lever. The electric cylinder is used to control the lever to drive the push rod assembly to extend and retract above the plate chain.

[0028] In one embodiment of this utility model, the sensor is fixed to the side of the substrate by a sensor bracket.

[0029] The synchronous belt pressure plate is fixed above the base plate by a synchronous belt pressure plate connector.

[0030] In one embodiment of this utility model, a synchronous belt is wound around the upper slider, the motor shaft pulley, the driving pulley, and the driven pulley. The motor is used to control the rotation of the motor shaft pulley to drive the synchronous belt to rotate, thereby controlling the slide plate unit to reciprocate horizontally along the crossbeam direction.

[0031] In one embodiment of this utility model, the main crossbeam includes a plate and a rectangular tube that are fixedly connected. A rectangular hole is provided on the end plate of the rectangular tube for the synchronous belt to pass through. A hollow rectangular groove is provided on the side of the rectangular tube for the synchronous belt pressure plate to be fixed above the base plate.

[0032] As a preferred technical solution, the plate and the rectangular tube are integrally welded together.

[0033] In one embodiment of this utility model, the push rod assembly includes a push rod, a sensing plate, a slider limiting plate, a push rod body, and an end plate.

[0034] The push rod body is fixed below the slide plate unit. One end of the push rod is slidably disposed inside the push rod body, and the other end of the push rod is provided with an end plate. The push rod body is provided with a sensing plate and a slider limiting plate.

[0035] In one embodiment of this utility model, a sleeve is provided at one end of the push rod body, and the push rod is slidably disposed inside the sleeve.

[0036] In one embodiment of this utility model, the trolley mechanism further includes a pressure roller assembly, which is fixedly mounted on the upper end of the support column and is used to prevent the tail of the skateboard unit from tilting upwards.

[0037] As a preferred technical solution, the main crossbeam and pressure roller assembly are fixed to the upper end of the support column by bolt connection.

[0038] In one embodiment of this utility model, the pressure roller assembly includes a pressure roller bracket, a pressure roller mounting plate, and a pressure roller. The pressure roller bracket is fixedly mounted on the upper end of the support column, the pressure roller mounting plate is fixed to the side end of the pressure roller bracket, and a pressure roller is provided at the bottom end of the pressure roller mounting plate. The pressure roller is connected to the slide plate unit.

[0039] In one embodiment of this utility model, the support column is fixed to the ground by an adjustable foot plate, which is used to adjust the levelness.

[0040] The principle of this utility model is as follows:

[0041] Since all vehicles completed on the production line are finished products, no hard objects are allowed to touch any part of the vehicle body. Therefore, the pusher can only be placed behind the tires. This invention addresses this by designing a sliding plate unit below the main crossbeam and a telescopic push rod below the sliding plate unit. This structure minimizes the height of the push rod, preventing it from contacting the side panel of the vehicle body and causing damage when pushing the tire forward. During the return process, the push rod retracts, avoiding interference with the tire.

[0042] When the pressure roller assembly contacts the push rod, it prevents the tire from exerting a downward force on the push rod, causing the tail of the skateboard unit to tilt upwards. This results in the push rod end being pressed against the chain, causing damage to the chain.

[0043] Compared with the prior art, the present invention has the following beneficial effects:

[0044] (1) By setting a double slider rail at the bottom of the main crossbeam, a larger torque can be provided to maintain the stability of the push rod structure;

[0045] (2) The present invention sets the synchronous belt inside the main crossbeam of the rectangular tube, which reduces the space occupied by the overall equipment, makes the structure compact, and makes it easier to install;

[0046] (3) The extension and retraction of the push rod in this utility model is controlled by an electric cylinder, which ensures smooth transmission and low noise.

[0047] (4) The drive motor is equipped with an external gearbox, which can provide large torque to meet the thrust requirements;

[0048] (5) The overall power of the trolley mechanism described in this utility model relies on the synchronous belt structure, which transmits thrust smoothly and with low noise. Attached Figure Description

[0049] Figure 1 This is a schematic diagram illustrating the usage process of the trolley mechanism in this utility model;

[0050] Figure 2 This is a schematic diagram of the overall structure of the trolley mechanism in this utility model;

[0051] Figure 3 This is a front view of the main crossbeam in this utility model;

[0052] Figure 4 This is a side view of the main crossbeam in this utility model;

[0053] Figure 5 This is a top view of the main crossbeam in this utility model;

[0054] Figure 6 This is a cross-sectional view of the driven wheel assembly in this utility model;

[0055] Figure 7 This is a cross-sectional view of the driving component in this utility model;

[0056] Figure 8 This is a top view of the sliding plate unit in this utility model;

[0057] Figure 9 This is a side view of the sliding plate unit in this utility model;

[0058] Figure 10 This is a bottom view of the sliding plate unit in this utility model;

[0059] Figure 11 This is a cross-sectional view of the sliding plate unit in this utility model;

[0060] Figure 12 This is a schematic diagram of the overall structure of the sliding plate unit in this utility model;

[0061] Figure 13 This is an axial view of the push rod assembly in this utility model;

[0062] Figure 14 This is an axial view of the pressure wheel assembly in this utility model.

[0063] Explanation of the attached drawing numbers: 1. Adjustable foot plate; 2. Main crossbeam; 201. Plate; 202. Rectangular tube; 203. Sealing plate; 204. Rectangular hole; 205. Rectangular groove; 3. Driven wheel assembly; 301. Driven wheel seat; 302. Shaft retainer plate; 303. Driven wheel shaft; 304. Side spacer; 305. Driven pulley; 306. Intermediate spacer; 307. Bearing; 4. Drive assembly; 401. Drive wheel seat; 402. Drive wheel shaft; 403. Motor shaft pulley; 404. Limiting spacer; 405. Drive large pulley; 406. Motor shaft end plate. 407. Bearing housing; 408. Gearbox; 5. Slide plate unit; 501. Base plate; 502. Sensor bracket; 503. Cable chain mounting plate; 504. Synchronous belt pressure plate; 505. Synchronous belt pressure plate connector; 506. Lever; 507. Electric cylinder; 508. Upper slider; 509. Lower slider; 6. Push rod assembly; 601. Sensing plate; 602. Slider limit plate; 603. Push rod body; 604. End plate; 605. Sleeve; 7. Pressure roller assembly; 701. Pressure roller bracket; 702. Pressure roller mounting plate; 703. Pressure roller; 8. Support column. Detailed Implementation

[0064] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments. This embodiment is based on the technical solution of the present invention and provides detailed implementation methods and specific operating procedures; however, the scope of protection of the present invention is not limited to the following embodiments.

[0065] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0066] In the description of this utility model, it should be noted that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0067] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0068] The following detailed description of some embodiments of the present invention is provided in conjunction with the accompanying drawings. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0069] Example 1

[0070] See Figures 1 to 14 This embodiment provides a trolley mechanism for use on a plate chain, comprising:

[0071] Supporting columns 8;

[0072] Main crossbeam 2: It is fixedly installed on the upper end of the supporting column 8;

[0073] Driven wheel assembly 3: It is located at one end of the main crossbeam 2;

[0074] Drive component 4: It is located at the other end of the main crossbeam 2;

[0075] Slide unit 5: It is slidably disposed below the main crossbeam 2, and the slide unit 5 is simultaneously connected to the driven wheel assembly 3 and the drive assembly 4;

[0076] Push rod assembly 6: One end of the push rod assembly 6 is located below the slide plate unit 5, and the other end of the push rod assembly 6 is telescopically located above the plate chain. The push rod assembly 6 is used to drive the vehicle on the plate chain to move.

[0077] In this embodiment, the driven wheel assembly 3 includes a driven wheel seat 301, a driven wheel shaft 303, a driven pulley 305, and a bearing 307.

[0078] The driven wheel seat 301 is fixedly connected to the side end of the main crossbeam 2. The lower end of the driven wheel shaft 303 is fixed above the driven wheel seat 301 by two bearings 307. The lower end of the driven pulley 305 is rotatably mounted above the driven wheel shaft 303 by two bearings 307.

[0079] In this embodiment, a shaft retaining plate 302 is provided on the side of the driven wheel shaft 303 that connects with the driven wheel seat 301.

[0080] Both ends of the driven wheel shaft 303 are provided with side spacers 304 and middle spacers 306. The side spacers 304 are located between the bearing 307 and the driven wheel seat 301, and the middle spacers 306 are located between the two bearings 307.

[0081] In this embodiment, the drive assembly 4 includes a drive wheel seat 401, a drive wheel axle 402, a motor shaft pulley 403, a large drive pulley 405, a bearing seat 407, and a motor.

[0082] The bearing housing 407 is fixedly connected to the side end of the main crossbeam 2. The drive wheel housing 401 is fixed above the bearing housing 407. The drive wheel shaft 402 is located inside the drive wheel housing 401. One end of the drive wheel shaft 402 is provided with a large drive pulley 405, and the other end of the drive wheel shaft 402 is connected to the motor shaft pulley 403 of the motor.

[0083] In this embodiment, a limiting sleeve 404 is provided at the connection between the drive pulley 405 and the drive wheel seat 401.

[0084] The motor shaft pulley 403 is connected to the drive wheel shaft 402 via the motor shaft end plate 406.

[0085] As a preferred technical solution, the drive component 4 is a two-stage transmission component.

[0086] In this embodiment, the sliding plate unit 5 includes a base plate 501, a sensor, a cable chain mounting plate 503, a timing belt pressure plate 504, a lever 506, an electric cylinder 507, an upper slider 508, and a lower slider 509.

[0087] The substrate 501 is located below the main crossbeam 2, and a cable chain mounting plate 503 and a sensor are provided on the side of the substrate 501.

[0088] The upper slider 508 is disposed above the base plate 501, and a slide rail is provided below the main crossbeam 2. The upper slider 508 is slidably connected to the slide rail, and a synchronous belt pressure plate 504 is provided on the upper slider 508.

[0089] The lower slider 509 is located below the base plate 501, and the push rod assembly 6 is provided with a slide rail, to which the lower slider 509 is slidably connected.

[0090] The electric cylinder 507 is fixed below the base plate 501. The telescopic end of the electric cylinder 507 is connected to the lever 506. The electric cylinder 507 is used to control the lever 506 to drive the push rod assembly 6 to telescopically extend above the plate chain.

[0091] In this embodiment, the sensor is fixed to the side of the substrate 501 by a sensor bracket 502.

[0092] The synchronous belt pressure plate 504 is fixed above the base plate 501 by the synchronous belt pressure plate connector 505.

[0093] In this embodiment, a synchronous belt is wound around the upper slider 508, the motor shaft pulley 403, the driving pulley 405, and the driven pulley 305. The motor is used to control the rotation of the motor shaft pulley 403 to drive the synchronous belt to rotate, thereby controlling the slide plate unit 5 to reciprocate horizontally along the crossbeam direction.

[0094] In this embodiment, the main crossbeam 2 includes a plate 201 and a rectangular tube 202 that are fixedly connected. A rectangular hole 204 is provided on the sealing plate 203 at the end of the rectangular tube 202. The rectangular hole 204 is used for the synchronous belt to pass through. A hollow rectangular groove 205 is provided on the side of the rectangular tube 202. The rectangular groove 205 is used for the synchronous belt pressure plate 504 to be fixed above the base plate 501.

[0095] As a preferred technical solution, the plate 201 and the rectangular tube 202 are integrally welded together.

[0096] In this embodiment, the push rod assembly 6 includes a push rod, a sensing plate 601, a slider limiting plate 602, a push rod body 603, and an end plate 604.

[0097] The push rod body 603 is fixed below the slide plate unit 5. One end of the push rod is slidably disposed inside the push rod body 603, and the other end of the push rod is provided with an end plate 604. The push rod body 603 is provided with a sensing plate 601 and a slider limiting plate 602.

[0098] In this embodiment, one end of the push rod body 603 is provided with a sleeve 605, and the push rod is slidably disposed within the sleeve 605.

[0099] In this embodiment, the trolley mechanism further includes a pressure roller assembly 7, which is fixedly mounted on the upper end of the support column 8. The pressure roller assembly 7 is used to prevent the tail of the skateboard unit 5 from tilting upwards.

[0100] As a preferred technical solution, the main crossbeam 2 and the pressure roller assembly 7 are fixed to the upper end of the support column 8 by bolt connection.

[0101] In this embodiment, the pressure roller assembly 7 includes a pressure roller bracket 701, a pressure roller mounting plate 702, and a pressure roller 703. The pressure roller bracket 701 is fixedly mounted on the upper end of the support column 8. The pressure roller mounting plate 702 is fixed to the side end of the pressure roller bracket 701. The pressure roller 703 is provided at the bottom end of the pressure roller mounting plate 702. The pressure roller 703 is connected to the slide plate unit 5.

[0102] In this embodiment, the support column 8 is fixed to the ground by adjusting the foot plate 1, which is used to adjust the levelness.

[0103] In addition, this embodiment also provides a method for using a trolley mechanism on a plate chain, the specific steps of which are as follows:

[0104] The motor controls the rotation of the motor shaft pulley 403, which in turn drives the synchronous belt to rotate. When the synchronous belt moves, it drives the slide plate unit 5 below, together with the push rod assembly 6, to move along the slide rail through the synchronous belt pressure plate connector 505, thereby achieving the function of propelling the vehicle forward.

[0105] When the push rod assembly 6 is in the extended state, it is above the plate chain and moves forward from behind the stuck wheel under the drive of the slide plate unit 5 along the running direction of the plate chain, pushing the stuck wheel out of the groove at the joint of the two plates.

[0106] When the skateboard unit 5 is pushed into place, the push rod assembly 6 retracts under the action of the electric cylinder 507. At this time, the drive assembly 4 drives in the opposite direction, thereby driving the skateboard unit 5 and the push rod assembly 6 to move in the opposite direction, back along the running direction of the board chain, and return to the original position to wait for the next push command.

[0107] The above description of the embodiments is provided to enable those skilled in the art to understand and use the utility model. It will be apparent to those skilled in the art that various modifications can be easily made to these embodiments, and the general principles described herein can be applied to other embodiments without inventive effort. Therefore, the present utility model is not limited to the above embodiments, and any improvements and modifications made by those skilled in the art based on the disclosure of the present utility model without departing from its scope should be within the protection scope of the present utility model.

Claims

1. A trolley mechanism for use on a plate chain, characterized in that, include: Supporting columns (8); Main crossbeam (2): It is fixedly installed on the upper end of the supporting column (8); Driven wheel assembly (3): It is located at one end of the main crossbeam (2); Drive component (4): It is located at the other end of the main crossbeam (2); Slide unit (5): It is slidably disposed below the main crossbeam (2), and the slide unit (5) is simultaneously connected to the driven wheel assembly (3) and the drive assembly (4); Push rod assembly (6): One end of the push rod assembly (6) is located below the slide plate unit (5), and the other end of the push rod assembly (6) is telescopically located above the plate chain. The push rod assembly (6) is used to drive the vehicle on the plate chain to move.

2. A trolley mechanism for use on a plate chain according to claim 1, characterized in that, The driven wheel assembly (3) includes a driven wheel seat (301), a driven wheel shaft (303), a driven pulley (305), and a bearing (307). The driven wheel seat (301) is fixedly connected to the side end of the main crossbeam (2). The lower end of the driven wheel shaft (303) is fixed above the driven wheel seat (301) by two bearings (307). The lower end of the driven pulley (305) is rotatably mounted above the driven wheel shaft (303) by two bearings (307).

3. A trolley mechanism for use on a plate chain according to claim 2, characterized in that, The driven wheel axle (303) is provided with a shaft retainer plate (302) on the side where it connects with the driven wheel seat (301). The driven wheel shaft (303) is provided with a side spacer (304) and a middle spacer (306) at both the upper and lower ends. The side spacer (304) is located between the bearing (307) and the driven wheel seat (301), and the middle spacer (306) is located between the two bearings (307).

4. A trolley mechanism for use on a plate chain according to claim 2, characterized in that, The drive assembly (4) includes a drive wheel seat (401), a drive wheel shaft (402), a motor shaft pulley (403), a large drive pulley (405), a bearing seat (407), and a motor. The bearing housing (407) is fixedly connected to the side end of the main crossbeam (2), the drive wheel housing (401) is fixed above the bearing housing (407), the drive wheel shaft (402) is located inside the drive wheel housing (401), one end of the drive wheel shaft (402) is provided with a drive pulley (405), and the other end of the drive wheel shaft (402) is connected to the motor shaft pulley (403) of the motor.

5. A trolley mechanism for use on a plate chain according to claim 4, characterized in that, A limiting sleeve (404) is provided at the connection between the drive pulley (405) and the drive wheel seat (401). The motor shaft pulley (403) is connected to the drive wheel shaft (402) via the motor shaft end plate (406).

6. A trolley mechanism for use on a plate chain according to claim 4, characterized in that, The sliding plate unit (5) includes a base plate (501), a sensor, a drag chain mounting plate (503), a synchronous belt pressure plate (504), a lever (506), an electric cylinder (507), an upper slider (508), and a lower slider (509). The substrate (501) is located below the main crossbeam (2), and a drag chain mounting plate (503) and a sensor are provided on the side of the substrate (501). The upper slider (508) is located above the base plate (501), and a slide rail is provided below the main crossbeam (2). The upper slider (508) is slidably connected to the slide rail, and a synchronous belt pressure plate (504) is provided on the upper slider (508). The lower slider (509) is located below the base plate (501), and the push rod assembly (6) is provided with a slide rail. The lower slider (509) is slidably connected to the slide rail. The electric cylinder (507) is fixed below the base plate (501). The telescopic end of the electric cylinder (507) is connected to the lever (506). The electric cylinder (507) is used to control the lever (506) so as to drive the push rod assembly (6) to telescopically extend above the plate chain.

7. A trolley mechanism for use on a plate chain according to claim 6, characterized in that, The upper slider (508), motor shaft pulley (403), drive pulley (405) and driven pulley (305) are wound with a synchronous belt. The motor is used to control the rotation of the motor shaft pulley (403) to drive the synchronous belt to rotate, thereby controlling the slide plate unit (5) to reciprocate horizontally along the crossbeam direction.

8. A trolley mechanism for use on a plate chain according to claim 1, characterized in that, The main crossbeam (2) includes a plate (201) and a rectangular tube (202) that are fixedly connected. A rectangular hole (204) is provided on the end plate (203) of the rectangular tube (202). The rectangular hole (204) is used to pass through the synchronous belt. A hollow rectangular groove (205) is provided on the side of the rectangular tube (202). The rectangular groove (205) is used to fix the synchronous belt pressure plate (504) above the base plate (501).

9. A trolley mechanism for use on a plate chain according to claim 1, characterized in that, The push rod assembly (6) includes a push rod, a sensing plate (601), a slider limiting plate (602), a push rod body (603), and an end plate (604). The push rod body (603) is fixed below the slide plate unit (5). One end of the push rod is slidably disposed inside the push rod body (603), and the other end of the push rod is provided with an end plate (604). The push rod body (603) is provided with a sensing plate (601) and a slider limiting plate (602).

10. A trolley mechanism for use on a plate chain according to claim 1, characterized in that, The trolley mechanism also includes a pressure roller assembly (7), which is fixedly mounted on the upper end of the support column (8). The pressure roller assembly (7) is used to prevent the tail of the skateboard unit (5) from tilting upwards. The pressure roller assembly (7) includes a pressure roller bracket (701), a pressure roller mounting plate (702), and a pressure roller (703). The pressure roller bracket (701) is fixedly mounted on the upper end of the support column (8). The pressure roller mounting plate (702) is fixed to the side end of the pressure roller bracket (701). The pressure roller (703) is provided at the bottom end of the pressure roller mounting plate (702). The pressure roller (703) is connected to the slide plate unit (5).

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