Intelligent flexible vehicle transfer device and transfer method

Abstract

The invention discloses an intelligent flexible vehicle transfer device and a transfer method.The transfer device comprises a main frame and is characterized in that a sliding plate for conveying a vehicle and a horizontal moving sliding frame for transferring the vehicle are arranged in the main frame, and a vertical moving sliding frame is arranged in the horizontal moving sliding frame; a rear wheel adapter bracket, a frame adapter bracket and a front wheel adapter bracket which are used for lifting a vehicle are arranged in the up-down moving carriage; the transferring method comprises the following steps that S1, a sliding plate of a conveying vehicle arrives at a designated position, and a vehicle type information output device sends an in-place signal and vehicle type information to a PLC device; the automatic parking device has the beneficial effects that the vertical moving carriage is driven by the horizontal moving carriage to move left and right in the horizontal direction along the main frame, a vehicle is transferred to the vertical moving carriage from the sliding plate at the vehicle receiving position, and then the vehicle is transferred to the next station; and a rear wheel adapter bracket, a frame adapter bracket and a front wheel adapter bracket which are used for lifting a vehicle are arranged in the up-down moving carriage.

Description

Technical Field

[0001] This invention relates to the field of automobile manufacturing, and in particular to an intelligent flexible vehicle transfer device and transfer method. Background Technology

[0002] Currently, in the automobile production process, for ease of assembly, the entire vehicle is assembled on a sliding conveyor line at a certain height above the ground. After the vehicle is assembled, it needs to be transferred from this sliding conveyor to the ground to complete the vehicle's off-line process. This process is called vehicle transfer.

[0003] Because different vehicles have different wheelbases, it is impossible to accurately position the vehicle during the transfer process. In the current technology, the transfer is mainly carried out by manual operation by workers. This not only involves a large workload, but also makes it easy for the vehicle to be damaged due to the negligence of the operators.

[0004] Patent application number "201910450437.8" discloses "vehicle assembly equipment and assembly line," including the following: vehicle assembly equipment is used in conjunction with a skateboard conveyor line, the skateboard conveyor line drives the vehicle body to move along the transmission direction, the vehicle assembly equipment includes a base, a transfer structure, a first drive device, and a second drive device, the base is located on one side of the skateboard conveyor line, and the transfer structure is movably mounted on the base to support the vehicle parts to be assembled. However, it mainly solves the problem of completing vehicle assembly on the skateboard, but does not solve the problem of transferring the assembled vehicle.

[0005] To address this, our company has proposed an intelligent and flexible vehicle transfer device and method. Summary of the Invention

[0006] The purpose of this invention is to provide an intelligent and flexible vehicle transfer device and method, which realizes intelligent transfer of assembled vehicles and reduces the workload of operators.

[0007] To achieve the above objectives, the present invention adopts the following technical solution: An intelligent flexible vehicle transfer device includes a main frame, within which a vehicle transport platform and a horizontal moving carriage for transferring vehicles are provided. The horizontal moving carriage contains a vertical moving carriage, and the vertical moving carriage contains a rear wheel transfer bracket, a frame transfer bracket, and a front wheel transfer bracket for lifting the vehicle.

[0008] Preferably, the main frame is provided with a horizontal moving friction rail, the horizontal moving carriage is provided with a horizontal moving drive motor that drives its movement, and the output shaft of the horizontal moving drive motor is provided with a horizontal moving drive wheel that contacts the horizontal moving friction rail; The horizontal moving friction rail is also equipped with a horizontal moving guide rail that serves as a guide.

[0009] Preferably, the horizontal moving carriage is provided with a lifting guide rail, the vertical moving carriage is provided with a roller frame, and the roller frame is provided with lifting rollers and guide wheels that cooperate with the lifting guide rail.

[0010] Preferably, the horizontal moving slide is provided with a lifting drive motor, the output shaft of the lifting drive motor is connected to a belt drive friction wheel, the belt drive friction wheel is wound with a lifting belt connected to the upper and lower moving slide, and the horizontal moving slide is also provided with a belt tensioning wheel for tensioning the lifting belt.

[0011] Preferably, the vertically movable slide is fixedly connected to the front wheel adapter bracket, and the vertically movable slide is provided with a horizontal guide rail for the rear wheel adapter bracket and the frame adapter bracket to move. The front wheel adapter bracket has a front wheel support arm that can move back and forth, the frame adapter bracket has a frame support arm that can move back and forth, and the rear wheel adapter bracket has a rear wheel support arm that can move back and forth.

[0012] Preferably, the rear wheel adapter bracket and the frame adapter bracket are fixedly connected, and the up-and-down movable slide is provided with a bracket adjustment motor that drives the frame adapter bracket to move. The output shaft of the bracket adjustment motor is provided with a gear that meshes with a rack, and the rack is fixedly mounted on the frame adapter bracket.

[0013] Preferably, the rear wheel adapter bracket is provided with a support arm telescopic slide rail for the rear wheel support arm to move back and forth, the rear wheel adapter bracket is provided with a support arm telescopic cylinder, one end of the support arm telescopic cylinder is connected to the rear wheel support arm through a square steel tube, the square steel tube is provided with a groove that mates with the support arm telescopic slide rail, and the up-and-down moving slide is provided with an air circuit unit connected to the support arm telescopic cylinder. Preferably, the transfer device further includes a PLC device for controlling the horizontal movement drive motor, the lifting drive motor, the bracket adjustment motor, and the support arm telescopic cylinder, and the slide plate is provided with a vehicle model information output device that sends signals to the PLC device.

[0014] The present invention also discloses a transfer method for an intelligent flexible vehicle transfer device. Using the aforementioned transfer device, the transfer method includes the following steps: S1. When the vehicle's conveyor plate reaches the designated position, the vehicle model information output device sends a position signal and vehicle model information to the PLC device. S2, PLC device controls the horizontal movement drive motor to control the horizontal movement carriage to move to the receiving position; S3 and PLC control bracket adjustment motors control the rear wheel adapter bracket and frame adapter bracket to move to appropriate positions according to different vehicle body lengths; S4 and PLC devices control the lifting drive motor to control the vertical moving slide to descend to the lowest position; S5 and PLC devices respectively control the extension cylinder of the rear wheel adapter bracket, the extension cylinder of the frame adapter bracket, and the extension cylinder of the front wheel adapter bracket, so that the rear wheel bracket of the rear wheel adapter bracket or the frame bracket of the frame adapter bracket extends, and the front wheel bracket of the front wheel adapter bracket extends. S6, PLC device controls the lifting drive motor, controls the up and down moving slide to move up until the rear wheel support arm contacts the rear wheel of the vehicle or the frame support arm contacts the vehicle frame, and the front wheel support arm contacts the front wheel of the vehicle. S7, PLC device controls the lifting drive motor to control the vertical moving slide to continue moving upward, so that the vehicle is separated from the slide. Then the PLC device controls the horizontal moving drive motor to control the horizontal moving slide to transport the vehicle to the next work station. The slide returns along the original path to transport the next vehicle. S8. Repeat steps S1-S7 to transfer the vehicle.

[0015] The beneficial effects of this invention are as follows: 1. The horizontal moving carriage drives the vertical moving carriage to move left and right along the main frame in the horizontal direction. At the receiving position, the vehicle is transferred from the sliding plate to the vertical moving carriage, and then the vehicle is transferred to the next work position. The vertical moving carriage is equipped with a rear wheel transfer bracket, a frame transfer bracket and a front wheel transfer bracket for lifting the vehicle.

[0016] 2. The front wheel adapter bracket is fixedly connected to the upper and lower movable carriage. When transferring vehicles, it can serve as a positioning point for the vehicle (i.e., the front wheels). Depending on the different lengths of the vehicle body, the rear wheel adapter bracket and the frame adapter bracket are controlled to move along the upper and lower movable carriage. When the vehicle body is short, the rear wheel adapter bracket is aligned with the rear wheels of the vehicle, and the front wheel support arm and the rear wheel support arm are used to transfer the vehicle. When the vehicle body is long, if the rear wheels of the vehicle have exceeded the maximum travel of the rear wheel adapter bracket, the frame adapter bracket is aligned with the frame, and the front wheel support arm and the frame support arm are used to transfer the vehicle.

[0017] 3. By receiving vehicle model signals through a PLC device and controlling the actions of various motors, cylinders, and other moving components, automated vehicle transfer is achieved. Attached Figure Description

[0018] Figure 1 This is the front view of the present invention; Figure 2 for Figure 1 Sectional view A-A; Figure 3 This is the left view of the present invention; Figure 4 for Figure 3 Enlarged view of a portion (I); Figure 5 This is the front view of the vertically movable carriage; Figure 6 This is a top view of the vertically movable carriage; Figure 7 This is the left view of the vertically movable carriage; Figure 8 for Figure 7 Enlarged view of the part II; Figure 9 This is the front view of the rear wheel adapter bracket; Figure 10 This is a top view of the rear wheel adapter bracket; Figure 11 Left view of the rear wheel adapter bracket; Figure 12 This is a schematic diagram of the roller frame.

[0019] The accompanying drawings are for illustrative purposes only and should not be construed as limiting the scope of this patent. To better illustrate this embodiment, some components in the drawings may be omitted, enlarged, or reduced, and do not represent the actual dimensions of the product. It is understandable to those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings. Detailed Implementation

[0020] The invention will now be further described with reference to the accompanying drawings.

[0021] Example 1 like Figure 1 — Figure 3 As shown, the intelligent flexible vehicle transfer device of this embodiment includes a main frame 100. The main frame 100 contains a vehicle transport platform 1 and a horizontal moving slide 2 for transferring vehicles. The horizontal moving slide 2 contains a vertical moving slide 7, and the vertical moving slide 7 contains a rear wheel adapter bracket 5, a chassis adapter bracket 6, and a front wheel adapter bracket 8 for lifting the vehicle. After the vehicle is assembled on the platform 1, the platform 1 transports the vehicle to a designated receiving position. Then, the horizontal moving slide 2 drives the vertical moving slide 7 to move along the main frame to the receiving position, and the vehicle is transferred by the front wheel adapter bracket 8, the rear wheel adapter bracket 5, or the chassis adapter bracket 6.

[0022] like Figure 4 As shown, a horizontal moving friction rail 20 is provided on the main frame 100, and a horizontal moving drive motor 19 is provided on the horizontal moving carriage 2 to drive its movement. A horizontal moving drive wheel 18 that contacts the horizontal moving friction rail 20 is provided on the output shaft of the horizontal moving drive motor 19. The horizontal moving drive motor 19 can drive the horizontal moving drive wheel 18 to rotate, so that the horizontal moving drive wheel 18 moves horizontally relative to the horizontal moving friction rail 20.

[0023] The horizontal moving friction rail 20 is also provided with a horizontal moving guide rail 21 that plays a guiding role. The horizontal moving carriage 2 is provided with a slot that cooperates with the horizontal moving guide rail 21, so that its movement process is smooth and stable, and precise control of the moving distance can be achieved.

[0024] like Figure 12 As shown, a lifting guide rail 3 is provided on the horizontally moving carriage 2, and a roller frame 41 is provided on the vertically moving carriage 7. The roller frame 41 is equipped with lifting rollers 4 and guide wheels 42 that cooperate with the lifting guide rail 3. Each roller frame 41 has two lifting rollers 4, and the lifting guide rail 3 is located between the two lifting rollers 4. The side wall of the lifting guide rail 3 contacts the guide wheel 42. Both the lifting rollers 4 and the guide wheel 42 can rotate freely relative to the roller frame 41. Figure 5 As shown, roller frames 41 are provided at the top, bottom, left and right apexes of the vertically moving slide 7, so that the vertically moving slide 7 moves smoothly and reliably along the lifting guide rail 3, avoiding collisions when transporting vehicles.

[0025] like Figure 1 As shown, a lifting drive motor 24 is installed on the horizontal moving slide 2. The output shaft of the lifting drive motor 24 is connected to a belt-driven friction wheel 23. A lifting belt 9, which is connected to the vertical moving slide 7, is wound around the belt-driven friction wheel 23. There are two lifting belts 9, both wound around the belt-driven friction wheel 23 and connected to the left and right sides of the vertical moving slide 7 respectively, so that the lifting belts 9 can drive the vertical moving slide 7 to move up and down more smoothly. When the lifting drive motor 24 rotates, the two lifting belts 9 rise or fall synchronously. A belt tensioning wheel 22 is also provided on the horizontal moving slide 2 for tensioning the lifting belts 9.

[0026] like Figure 5 — Figure 8 As shown, the vertically movable slide 7 is fixedly connected to the front wheel adapter bracket 8, which can be connected by bolts or welding. The vertically movable slide 7 is equipped with a horizontal guide rail 72 for the movement of the rear wheel adapter bracket 5 and the frame adapter bracket 6. The front wheel adapter bracket 8 is used to position the vehicle at a preset receiving position. It also has a front wheel support arm 15 that can move back and forth to support the front wheels of the vehicle. The rear wheel adapter bracket 5 and the frame adapter bracket 6 can move relative to the vertically movable slide 7, moving different distances depending on the vehicle's length. The frame adapter bracket 6 has a frame support arm 14 that can move back and forth, and the rear wheel adapter bracket 5 has a rear wheel support arm 13 that can move back and forth, supporting the vehicle's frame and rear wheels respectively.

[0027] To reduce the number of parts in the equipment without affecting the normal functioning of vehicle transfer, this invention fixes the rear wheel adapter bracket 5 and the frame adapter bracket 6 together. A bracket adjustment motor 10, which drives the frame adapter bracket 6, is installed on the vertical sliding carriage 7. A gear 11 is mounted on the output shaft of the bracket adjustment motor 10, meshing with a rack 12, which is fixedly mounted on the frame adapter bracket 6. Thus, when the bracket adjustment motor 10 rotates and drives the frame adapter bracket 6 to move, the rear wheel adapter bracket 5 will also move accordingly. In this way, when transferring a vehicle, the front wheel support arm 15 has already positioned the front wheels of the vehicle. It is only necessary to move the rear wheel adapter 5 to the designated position according to the length of the vehicle body so that the rear wheel support arm 13 is aligned with the rear wheels of the vehicle. The vehicle transfer is achieved through the front wheel support arm 15 and the rear wheel support arm 13. When the length of the vehicle body is too long, causing the rear wheels to exceed the moving distance of the rear wheel adapter 5, making it impossible for the rear wheel support arm 13 to be aligned with the rear wheels of the vehicle, the frame adapter 6 is moved so that the frame support arm 14 is aligned with the frame. The vehicle transfer is achieved through the front wheel support arm 15 and the frame support arm 14.

[0028] like Figure 9 — Figure 11 As shown, the rear wheel adapter bracket 5 is equipped with a support arm telescopic slide rail 16 for the rear wheel support arm 13 to move back and forth. The rear wheel adapter bracket 5 is also equipped with a support arm telescopic cylinder 17. One end of the support arm telescopic cylinder 17 is connected to the rear wheel support arm 13 through a square steel tube 131. The square steel tube 131 is provided with a groove that cooperates with the support arm telescopic slide rail 16. The support arm telescopic cylinder 17 extends and retracts to drive the square steel tube 131 and the rear wheel support arm 13 to move back and forth, thereby extending or retracting the rear wheel support arm 13. When the vertical moving slide 7 moves down, the rear wheel support arm 13 retracts to avoid rubbing against the vehicle. After the vertical moving slide 7 moves down to the lowest point, the rear wheel support arm 13 extends. As the vertical moving slide 7 moves up, it contacts the rear wheel of the vehicle, thereby transferring the load on the vehicle.

[0029] Similarly, the front wheel adapter bracket 8 and the frame adapter bracket 6 are also equipped with cylinders that control the extension and retraction of the front wheel support arm 15 and the frame support arm 14, respectively. Figure 5 As shown, the vertical sliding carriage 7 is equipped with an air circuit unit 71 connected to the support arm telescopic cylinder 17. The air circuit unit 71 can provide power to three cylinders to realize the independent telescopic extension and retraction of the front wheel support arm 15, the frame support arm 14, and the rear wheel support arm 13.

[0030] This transfer device also includes a PLC device that controls the horizontal movement drive motor 19, the lifting drive motor 24, the bracket adjustment motor 10, and the support arm telescopic cylinder 17. The slide plate 1 is equipped with a vehicle model information output device that sends signals to the PLC device. Each vehicle body transported from the workshop has a NEPID card (containing the vehicle's information) at the same location. Before entering the slide plate 1, the vehicle information is automatically read via a setting disk and fed back and recorded in the production management control system (CCR) according to the reading order. After the slide plate 1 carries the vehicle into the receiving position, the vehicle model information output device requests this vehicle information from the PLC device. According to the predetermined program logic, based on the vehicle model, the position of the support arm is automatically adjusted, and the support arm extends to lift the front wheels, rear wheels, or frame for transfer, realizing intelligent transfer of the vehicle from the slide plate to the ground.

[0031] Example 2 This invention also discloses a transfer method for an intelligent flexible vehicle transfer device. Using the aforementioned transfer device, the transfer method includes the following steps: S1. When the vehicle's conveyor plate 1 reaches the designated position, the vehicle model information output device sends a position signal and vehicle model information to the PLC device. S2, the PLC device controls the horizontal movement drive motor 19 to control the horizontal movement carriage 2 to move to the vehicle receiving position. This position is the designated vehicle receiving position. The horizontal movement carriage 2 and the vertical movement carriage 7 drive the front wheel transfer bracket 8 and the front wheel support arm 15 to be aligned with the front wheel of the vehicle in the horizontal direction. S3, PLC device controls bracket adjustment motor 10 to control the rear wheel adapter bracket 5 and frame adapter bracket 6 to move to appropriate positions according to different vehicle body lengths; when the vehicle body is of normal length, the rear wheel adapter bracket 5 is aligned with the rear wheel of the vehicle, and when the vehicle body is longer, the frame adapter bracket 6 is aligned with the vehicle frame.

[0032] S4, PLC device controls lifting drive motor 24, controls the up and down moving slide 7 to descend to the lowest position; S5 and PLC devices respectively control the arm extension cylinder 17 of the rear wheel adapter 5, the arm extension cylinder of the frame adapter 6, and the arm extension cylinder of the front wheel adapter 8, so that the rear wheel arm 13 of the rear wheel adapter 5 or the frame arm 14 of the frame adapter 6 extends, and the front wheel arm 15 of the front wheel adapter 8 extends. S6, PLC device controls the lifting drive motor to control the up and down moving slide 7 to move up until the rear wheel support arm 13 contacts the rear wheel of the vehicle or the frame support arm 14 contacts the vehicle frame, and the front wheel support arm 15 contacts the front wheel of the vehicle. S7, the PLC device controls the lifting drive motor to control the vertical moving slide 7 to continue moving upward, so that the vehicle is separated from the slide plate 1. Then the PLC device controls the horizontal moving drive motor 19 to control the horizontal moving slide 7 to transport the vehicle to the next work station. The slide plate 1 returns to the original path to transport the next vehicle. S8. Repeat steps S1-S7 to transfer the vehicle.

[0033] This embodiment does not impose any limitation on the shape, material, structure, etc. of the present invention. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present invention shall fall within the protection scope of the technical solution of the present invention.

[0034] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only used to facilitate the description of this invention and to simplify the description, and 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. Therefore, they should not be construed as limiting the scope of protection of this invention.

[0035] If the terms "first" or "second" are used in this document to define components, those skilled in the art should know that the use of "first" or "second" is merely for the convenience of describing the invention and simplifying the description, and unless otherwise stated, the above terms have no special meaning.

[0036] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. However, these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An intelligent flexible vehicle transfer device, comprising a main frame, characterized in that, The main frame is equipped with a sliding plate for transporting vehicles and a horizontal moving carriage for transferring vehicles. The horizontal moving carriage is equipped with a vertical moving carriage, and the vertical moving carriage is equipped with a rear wheel transfer bracket, a frame transfer bracket, and a front wheel transfer bracket for lifting vehicles.

2. The intelligent flexible vehicle transfer device according to claim 1, characterized in that, The main frame is provided with a horizontal moving friction rail, the horizontal moving carriage is provided with a horizontal moving drive motor that drives its movement, and the output shaft of the horizontal moving drive motor is provided with a horizontal moving drive wheel that contacts the horizontal moving friction rail. The horizontal moving friction rail is also equipped with a horizontal moving guide rail that serves as a guide.

3. The intelligent flexible vehicle transfer device according to claim 1, characterized in that, The horizontal moving carriage is provided with a lifting guide rail, and the vertical moving carriage is provided with a roller frame, which is provided with lifting rollers and guide wheels that cooperate with the lifting guide rail.

4. The intelligent flexible vehicle transfer device according to claim 1, characterized in that, The horizontal moving slide is equipped with a lifting drive motor, the output shaft of which is connected to a belt-driven friction wheel. A lifting belt connected to the upper and lower moving slide is wound on the belt-driven friction wheel. The horizontal moving slide is also equipped with a belt tensioning wheel for tensioning the lifting belt.

5. The intelligent flexible vehicle transfer device according to claim 1, characterized in that, The vertically movable slide is fixedly connected to the front wheel adapter bracket, and the vertically movable slide is provided with a horizontal guide rail for the rear wheel adapter bracket and the frame adapter bracket to move. The front wheel adapter bracket has a front wheel support arm that can move back and forth, the frame adapter bracket has a frame support arm that can move back and forth, and the rear wheel adapter bracket has a rear wheel support arm that can move back and forth.

6. The intelligent flexible vehicle transfer device according to claim 5, characterized in that, The rear wheel adapter bracket and the frame adapter bracket are fixedly connected. The up-and-down movable slide is equipped with a bracket adjustment motor that drives the frame adapter bracket to move. A gear is provided on the output shaft of the bracket adjustment motor. The gear meshes with a rack. The rack is fixedly mounted on the frame adapter bracket.

7. The intelligent flexible vehicle transfer device according to claim 5, characterized in that, The rear wheel adapter bracket is equipped with a support arm telescopic slide rail for the rear wheel support arm to move back and forth. The rear wheel adapter bracket is equipped with a support arm telescopic cylinder. One end of the support arm telescopic cylinder is connected to the rear wheel support arm through a square steel tube. The square steel tube is equipped with a slide groove that cooperates with the support arm telescopic slide rail. The up and down moving slide is equipped with an air circuit unit that is connected to the support arm telescopic cylinder.

8. The intelligent flexible vehicle transfer device according to any one of claims 1-7, characterized in that, It also includes a PLC device that controls the horizontal movement drive motor, the lifting drive motor, the bracket adjustment motor, and the support arm telescopic cylinder. The slide plate is equipped with a vehicle model information output device that sends signals to the PLC device.

9. A transfer method for an intelligent flexible vehicle transfer device, characterized in that, Using the transfer device according to claims 1-8, the transfer method includes the following steps: S1. When the vehicle's conveyor plate reaches the designated position, the vehicle model information output device sends a position signal and vehicle model information to the PLC device. S2, PLC device controls the horizontal movement drive motor to control the horizontal movement carriage to move to the receiving position; S3 and PLC control bracket adjustment motors control the rear wheel adapter bracket and frame adapter bracket to move to appropriate positions according to different vehicle body lengths; S4 and PLC devices control the lifting drive motor to control the vertical moving slide to descend to the lowest position; S5 and PLC devices respectively control the extension cylinder of the rear wheel adapter bracket, the extension cylinder of the frame adapter bracket, and the extension cylinder of the front wheel adapter bracket, so that the rear wheel bracket of the rear wheel adapter bracket or the frame bracket of the frame adapter bracket extends, and the front wheel bracket of the front wheel adapter bracket extends. S6, PLC device controls the lifting drive motor, controls the up and down moving slide to move up until the rear wheel support arm contacts the rear wheel of the vehicle or the frame support arm contacts the vehicle frame, and the front wheel support arm contacts the front wheel of the vehicle. S7, PLC device controls the lifting drive motor to control the vertical moving slide to continue moving upward, so that the vehicle is separated from the slide. Then the PLC device controls the horizontal moving drive motor to control the horizontal moving slide to transport the vehicle to the next work station. The slide returns along the original path to transport the next vehicle. S8. Repeat steps S1-S7 to transfer the vehicle.

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