Pickup Vehicles and Pickup Systems

Abstract

The present invention discloses a receiving vehicle and a receiving system, which are used to receive a simulation vehicle between workshops, and the receiving vehicle comprises: a traveling frame, the traveling frame having traveling wheels, the traveling wheels running along the ground track of the workshop, the track extending along a first direction; a lifting mechanism, the lifting mechanism being arranged on the traveling frame, the lifting mechanism being able to move up and down relative to the traveling frame, so that the simulation vehicle is supported on the lifting mechanism or detached from the lifting mechanism. The present invention can utilize the receiving vehicle to realize the loading and delivery process of the simulation vehicle, without the need for a large number of operators, with low labor intensity, and the delivery process can be controlled by the receiving vehicle to control the speed and steering of the simulation vehicle, which is simple and convenient, and avoids the risk of personnel being injured, with high safety. In addition, the use of the receiving vehicle can greatly shorten the delivery time of the simulation vehicle, greatly improving production efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of workshop equipment, and in particular to a pick-up vehicle and a pick-up system. Background Art

[0002] During the production process in the workshop, the simulation car (FDS trolley) is regularly inspected, and a 2.5-ton simulation car needs to be thrown down a 20mm high slope. During the throwing process, due to the heavy weight of the simulation car and the inability to control the speed and direction, the simulation car takes nearly 30 minutes to throw each time, and the number of operators reaches 15 per time. The labor intensity is high, the production efficiency is low, and there is a risk of being hit by the simulation car, which poses a great safety hazard. Summary of the invention

[0003] The main purpose of the present invention is to provide a pick-up vehicle and a pick-up system, aiming to solve the problems of low production efficiency and great safety hazards in the existing simulated vehicle deployment operations.

[0004] To achieve the above object, the present invention provides a pick-up vehicle for picking up a simulation vehicle between vehicles, the pick-up vehicle comprising:

[0005] A traveling frame, wherein the traveling frame has traveling wheels, the traveling wheels run along a ground track of the workshop, and the track extends along a first direction;

[0006] A lifting mechanism is provided on the traveling frame, and the lifting mechanism can move up and down relative to the traveling frame so that the simulation vehicle is supported on the lifting mechanism or detached from the lifting mechanism.

[0007] Preferably, the lifting mechanism includes a lifting assembly, and the lifting assembly includes a driving member, a lifting plate and two support frames, the two support frames are arranged at intervals along a first direction, the support frame is supported on the walking frame, the two ends of the lifting plate are respectively connected to the two support frames, the lifting plate is used to support the simulation vehicle, and the driving member is used to drive the support frame and the lifting plate to move up and down relative to the walking frame.

[0008] Preferably, the support frame includes two support columns arranged at intervals along the second direction, the first direction and the second direction are perpendicular to each other, and a support seat is provided at a position corresponding to each of the support columns on the walking frame, and the bottom end of the support column can be lifted and lowered in the corresponding support seat; transition plates are provided at both ends of the lifting plate, and the two ends of the transition plate are respectively connected to the top ends of the two support columns, and each transition plate is correspondingly provided with a driving member, and the output shaft of the driving member is connected to the transition plate, and the support frame and the lifting plate are driven to move up and down relative to the walking frame through the transition plate.

[0009] Preferably, the support seat includes a limit column and two limit rollers, one of the limit rollers is arranged opposite to the limit column, and the other limit roller is arranged adjacent to the limit column, the limit column and the two limit rollers form a guide cavity, the bottom end of the support column extends into the guide cavity and can be raised and lowered relative to the guide cavity, and the limit roller is in rolling contact with the outer wall of the support column.

[0010] Preferably, two buffer pads are provided on the transition plate, and the two buffer pads are respectively arranged on both sides of the lifting plate.

[0011] Preferably, the walking frame includes a connecting platform and two walking platforms, the two walking platforms are arranged at intervals along the second direction, each walking platform extends along the first direction, and one end of the two walking platforms is connected by the connecting platform, and each walking platform is provided with a lifting assembly.

[0012] Preferably, the connecting platform is provided with a first limiting frame, the bottom end of the first limiting frame is installed on the connecting platform, and a first limiting pad is provided on the top end of the first limiting frame facing the lifting assembly.

[0013] Preferably, an electric control box and two push-pull handles are further provided on the connection platform, the two push-pull handles are spaced apart along the second direction, and the electric control box is located between the two push-pull wrenches; a harness placement rack is also provided at one end of the connection platform.

[0014] The present invention also proposes a loading and unloading system, which includes a track and a loading and unloading vehicle as described in any one of the above items, wherein the track includes a horizontally placed base plate and a vertical plate connected to one side of the base plate, the walking wheels run along the base plate, and the walking frame is provided with a guide groove that slides in contact with the vertical plate.

[0015] Preferably, the loading system further comprises two top support frames arranged at intervals along the first direction, and the top support frames are arranged close to the track, the top support frames comprise a top support plate and a top support foot hinged on the top support plate, the top support foot can switch between a standing state or a lying state relative to the top support plate to correspondingly support the simulation vehicle or detach from the simulation vehicle; and / or, the loading system further comprises a second limiting frame, the second limiting frame is close to one end of the track, and a second limiting pad is arranged on the side of the top end of the second limiting frame facing the loading vehicle.

[0016] In the technical solution of the present invention, when the receiving vehicle is picking up the simulation vehicle, the receiving vehicle first moves to the initial position, and the lifting mechanism moves to the bottom of the simulation vehicle with the traveling frame, and then moves upward relative to the traveling frame, and lifts the simulation vehicle, so that the simulation vehicle is separated from the original position and supported on the lifting mechanism, realizing the steering and loading process, and eliminating the height difference with the original position. Then, the receiving vehicle carries the simulation vehicle on the track for directional movement, and walks to the working position so that the simulation vehicle can operate and complete the simulation vehicle delivery process. After the operation is completed, the receiving vehicle carries the simulation vehicle from the working position back to the initial position, puts the simulation vehicle back to the original position, and the lifting mechanism moves downward relative to the traveling frame so that the lifting mechanism is separated from the simulation vehicle.

[0017] The present invention can utilize a receiving vehicle to realize the loading and dispatching process of a simulation vehicle, without the need for a large number of operators, with low labor intensity, and the speed and steering of the simulation vehicle can be controlled by the receiving vehicle during the dispatching process, which is simple and convenient, and avoids the risk of people being injured, with high safety. In addition, the use of a receiving vehicle can greatly shorten the dispatching time of the simulation vehicle, greatly improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0019] Figure 1 It is a three-dimensional schematic diagram of a loading system according to an embodiment of the present invention;

[0020] Figure 2 It is an exploded schematic diagram of a loading and unloading system according to an embodiment of the present invention;

[0021] Figure 3 It is a three-dimensional schematic diagram of a pick-up vehicle according to an embodiment of the present invention;

[0022] Figure 4 It is a schematic diagram of the partial structure of a pick-up vehicle according to an embodiment of the present invention;

[0023] Figure 5 It is a three-dimensional schematic diagram of a top support leg in a top support frame in a standing state according to an embodiment of the present invention;

[0024] Figure 6 It is a three-dimensional schematic diagram of a top support leg in a top support frame in a flat lying state according to an embodiment of the present invention.

[0025] Description of Figure Numbers:

[0026]

[0027]

[0028] The purpose, features and advantages of the present invention will be further described with reference to the accompanying drawings in conjunction with the embodiments. DETAILED DESCRIPTION

[0029] The technical solution in this embodiment will be described clearly and completely below in conjunction with the drawings in this embodiment. Obviously, the described embodiment is only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] It should be noted that all directional indications in this embodiment (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0031] In addition, in the present invention, descriptions such as "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0032] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present invention. It should be understood that the specific embodiments described here are only used to explain the present invention and are not used to limit the present invention.

[0034] In the present invention, the descriptions of directions such as "up", "down", "front", "back", "left", and "right" are as follows: Figure 1 and Figure 3 The directions shown are for reference only and are used to explain the Figure 1 and Figure 3 The relative position relationship between the components in the shown posture. If the specific posture changes, the directional indication will also change accordingly.

[0035] The invention provides a pick-up vehicle.

[0036] like Figures 1 to 4 As shown, the pick-up vehicle 100 of this embodiment is used to pick up a simulation vehicle 200 between workshops. The pick-up vehicle 100 includes a traveling frame 10 and a lifting mechanism 20, wherein the traveling frame 10 has traveling wheels, and the traveling wheels run along a ground track 300 of the workshop, and the track 300 extends along a first direction; the lifting mechanism 20, the lifting mechanism 20 is arranged on the traveling frame 10, and the lifting mechanism 20 can move up and down relative to the traveling frame 10, so that the simulation vehicle 200 is supported on the lifting mechanism 20 or detached from the lifting mechanism 20.

[0037] The first direction of this embodiment is Figure 1 and Figure 3 In the front-to-back direction shown in , the ground track 300 extends in the front-to-back direction, and the traveling frame 10 moves forward and backward on the track 300 through the traveling wheels, thereby realizing the directional movement of the receiving vehicle 100. The receiving vehicle 100 of this embodiment also includes a lifting mechanism 20. In the process of receiving the simulation vehicle 200, the receiving vehicle 100 first moves to the initial position, and the lifting mechanism 20 moves to the bottom of the simulation vehicle 200 with the traveling frame 10, and then moves upward relative to the traveling frame 10, and lifts the simulation vehicle 200, so that the simulation vehicle 200 is separated from the original position and supported on the lifting mechanism 20, realizing the turning and loading process, and eliminating the height difference with the original position. Then, the receiving vehicle 100 carries the simulation vehicle 200 and moves in a directional manner on the track 300, and walks to the working position so that the simulation vehicle 200 can operate and complete the delivery process of the simulation vehicle 200. After the operation is completed, the carrier vehicle 100 carries the simulated vehicle 200 back from the operation position to the initial position, puts the simulated vehicle 200 back to the original position, and the lifting mechanism 20 moves downward relative to the traveling frame 10 so that the lifting mechanism 20 and the simulated vehicle 200 are separated.

[0038] In this embodiment, the receiving vehicle 100 can be used to realize the loading and dispatching process of the simulation vehicle 200, without the need for a large number of operators, and the labor intensity is low. In addition, the receiving vehicle 100 can control the speed and steering of the simulation vehicle 200 during the dispatching process, which is simple and convenient, and avoids the risk of people being injured, and has high safety. In addition, the use of the receiving vehicle 100 can greatly shorten the dispatching time of the simulation vehicle 200, greatly improving production efficiency.

[0039] The lifting mechanism 20 of this embodiment includes a lifting assembly 21, which includes a driving member 211, a lifting plate 212 and two support frames 213. The two support frames 213 are arranged at intervals along the first direction, and the support frames 213 are supported on the walking frame 10. The two ends of the lifting plate 212 are respectively connected to the two support frames 213. The lifting plate 212 is used to support the simulation vehicle 200, and the driving member 211 is used to drive the support frame 213 and the lifting plate 212 to move up and down relative to the walking frame 10.

[0040] like Figures 1 to 4 As shown, the two support frames 213 of the lifting assembly 21 are arranged at intervals along the front and rear directions, and the two support frames 213 are both supported on the walking frame 10, and the front and rear ends of the lifting plate 212 are respectively connected to the two support frames 213. When the simulated vehicle 200 is carried, the driving member 211 drives the support frame 213 and the lifting plate 212 to move upward relative to the walking frame 10, so that the lifting plate 212 is supported on the lifting plate 212. After the simulated vehicle 200 is sent back to the original position, the driving member 211 drives the support frame 213 and the lifting plate 212 to move downward relative to the walking frame 10, so that the simulated vehicle 200 is separated from the lifting plate 212. The structure of the lifting assembly 21 of this embodiment is simple and easy to manufacture. In one embodiment, the driving member 211 can adopt a hydraulic cylinder in the prior art. The driving force of the hydraulic cylinder is large, and the deceleration device can be eliminated while driving the support frame 213 and the lifting plate 212 to move upward and downward, and the movement is stable, ensuring the lifting stability.

[0041] In this embodiment, the support frame 213 includes two support columns 2131 arranged at intervals along the second direction, the first direction and the second direction are perpendicular to each other, and a support seat 11 is provided at the position corresponding to each support column 2131 on the walking frame 10, and the bottom end of the support column 2131 can be raised and lowered in the corresponding support seat 11; transition plates 214 are provided at both ends of the lifting plate 212, and the two ends of the transition plate 214 are respectively connected to the top ends of the two support columns 2131, and each transition plate 214 is correspondingly provided with a driving member 211, and the output shaft of the driving member 211 is connected to the transition plate 214, and the support frame 213 and the lifting plate 212 are driven to move up and down relative to the walking frame 10 through the transition plate 214.

[0042] The second direction of the present embodiment is the left-right direction, and the two support columns 2131 are arranged at intervals along the left-right direction. Two support seats 11 are arranged on the walking frame 10, and the two support seats 11 are arranged one by one with the two support columns 2131. The front and rear ends of the lifting plate 212 are both provided with a transition plate 214, and the left end of the transition plate 214 is connected to the top of the left support column 2131, and the right end of the transition plate 214 is connected to the top of the right support column 2131. Through the setting of the transition plate 214, the assembly of the lifting plate 212 and the support frame 213 can be realized. The bottom of each transition plate 214 is provided with a driving member 211, and the output shaft of the driving member 211 is connected to the corresponding transition plate 214. The driving member 211 drives the transition plate 214 to move up and down, thereby driving the support frame 213 and the lifting plate 212 to move up and down. During the lifting and lowering process of the support frame 213, the bottom end of the support column 2131 moves up and down in the support seat 11. The support seat 11 can play a role of limiting and guiding, which is conducive to the stable lifting and lowering of the support frame 213, the transition plate 214 and the lifting plate 212.

[0043] Specifically, the support seat 11 of this embodiment includes a limiting column 111 and two limiting rollers 112, wherein one limiting roller 112 is arranged opposite to the limiting column 111, and the other limiting roller 112 is arranged adjacent to the limiting column 111, the limiting column 111 and the two limiting rollers 112 form a guide cavity 113, the bottom end of the support column 2131 extends into the guide cavity 113 and can be raised and lowered relative to the guide cavity 113, and the limiting roller 112 is in rolling contact with the outer wall of the support column 2131.

[0044] like Figure 3 and Figure 4 As shown, in one embodiment, among the two limiting rollers 112, one limiting roller 112 is arranged opposite to the limiting column 111 on the left and right, and the other limiting roller 112 is located on the front side. The two limiting rollers 112 and the limiting column 111 form a guide cavity 113, and the bottom end of the support column 2131 extends into the guide cavity 113. The limiting column 111 and the two limiting rollers 112 can respectively limit the support column 2131 from the left side, the right side and the front side to prevent the support column 2131 from separating from the guide cavity 113 during the lifting process, thereby playing a limiting role. In addition, the support column 2131 rolls in contact with each limiting roller 112 during the lifting process, thereby guiding the support column 2131 and facilitating the stable lifting and lowering of the support column 2131.

[0045] Furthermore, two buffer pads 215 are provided on the transition plate 214, and the two buffer pads 215 are provided on both sides of the lifting plate 212. Figures 2 to 4As shown, two buffer pads 215 are respectively arranged on the left or right side of the lifting plate 212. The buffer pads 215 are flexible pads that can buffer the simulation vehicle 200 supported on the lifting plate 212 to prevent the simulation vehicle 200 from colliding with the pick-up vehicle 100 and causing damage.

[0046] The walking frame 10 of this embodiment includes a connecting platform 12 and two walking platforms 13. The two walking platforms 13 are arranged at intervals along the second direction. Each walking platform 13 extends along the first direction, and one end of the two walking platforms 13 is connected by the connecting platform 12. Each walking platform 13 is provided with a lifting assembly 21. Figures 1 to 3 As shown, two walking platforms 13 are arranged at intervals on the left and right, and the front ends of the two walking platforms 13 are connected by a connecting platform 12. Each walking platform 13 extends in the front-to-back direction, and a lifting assembly 21 is provided on each walking platform 13. The two walking platforms 13 are connected to the connecting platform 12 to form a U-shaped walking frame 10. The middle part of the walking frame 10 is a cavity, which not only reduces the overall weight of the pick-up vehicle 100, but also facilitates the pick-up vehicle 100 to place the assembly line of the simulation vehicle 200 when the simulation vehicle 200 is picked up, so that the pick-up vehicle 100 can be placed in the cavity to avoid interference between the assembly line and the pick-up vehicle 100. After being picked up by the simulation vehicle 200, the two lifting assemblies 21 support the left and right sides of the simulation vehicle 200 at the same time, and the stability is high.

[0047] like Figures 1 to 4 As shown, the connecting platform 12 is provided with a first limiting frame 14, the bottom end of the first limiting frame 14 is installed on the connecting platform 12, and the top end of the first limiting frame 14 is provided with a first limiting pad 141 on the side facing the lifting assembly 21. There are two first limiting frames 14, and the two first limiting frames 14 are arranged at intervals on the left and right, one of which is close to the walking platform 13 on the left, and the other first limiting frame 14 is close to the walking platform 13 on the right. The first limiting frame 14 can play a limiting role on the simulation vehicle 200, so as to carry the simulation vehicle 200 in the correct position. In addition, the top end of each first limiting frame 14 faces the side of the lifting assembly 21, that is, the rear side of the top end of the first limiting frame 14 is provided with a first limiting pad 141, and the first limiting pad 141 is a flexible pad, which can play a buffering and protective role on the simulation vehicle 200.

[0048] In this embodiment, an electric control box 15 and two push-pull handles 16 are also provided on the connection platform 12. The two push-pull handles 16 are arranged at intervals along the second direction, and the electric control box 15 is located between the two push-pull handles 16. A harness placement rack 17 is also provided at one end of the connection platform 12. Figures 1 to 3As shown, the electric control box 15 is centrally arranged on the connection platform 12. The electric control box 15 contains electric components for controlling the pick-up vehicle 100, such as electronic components of the hydraulic cylinder and power supply, etc., to achieve automatic control. The operator can push and pull the pick-up vehicle 100 by pushing and pulling the handle 16, which is convenient for operation. In addition, a wire harness placement rack 17 is also arranged at the left or right end of the connection platform 12 to facilitate the placement of the wire harness of the pick-up vehicle 100.

[0049] like Figures 1 to 6 As shown, the present invention proposes a loading system, which includes a track 300 and the loading vehicle 100 as described above, the track 300 includes a horizontally placed bottom plate 301 and a vertical plate 302 connected to one side of the bottom plate 301, the running wheels run along the bottom plate 301, and a guide groove that slides and contacts with the vertical plate 302 is provided on the running frame 10. In the track 300, the horizontally placed bottom plate 301 can be fixed on the ground by bolts, etc., the bottom plate 301 extends in the front-to-back direction, which is convenient for the running wheels of the loading vehicle 100 to move forward and backward, the vertical plate 302 is vertically connected to one side of the bottom plate 301, and the vertical plate 302 also extends in the front-to-back direction, and in the process of the loading vehicle 100 moving, its vertical plate 302 always slides and contacts with the guide groove, plays a guiding role for the loading vehicle 100, so that it always runs along the track 300, prevents it from being separated, and realizes the directional walking process of the loading vehicle 100. Since the present pick-up system adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought by the technical solutions of the above embodiments, which will not be described one by one here.

[0050] Furthermore, the loading system also includes two top support frames 400 arranged at intervals along the first direction, and the top support frames 400 are arranged close to the track 300, the top support frames 400 include a top support plate 401 and a top support leg 402 hinged on the top support plate 401, and the top support leg 402 can switch between a standing state or a lying state relative to the top support plate 401 to support the simulation vehicle 200 or detach from the simulation vehicle 200; and / or, the loading system also includes a second limiting frame 500, the second limiting frame 500 is close to one end of the track 300, and a second limiting pad 501 is provided on the side of the top end of the second limiting frame 500 facing the loading vehicle 100.

[0051] like Figure 1 and Figure 2 As shown, the loading system has two pairs of top support frames 400, one pair of top support frames 400 is arranged at a distance from each other near the right side of the track 300, and the other pair of top support frames 400 is arranged at a distance from each other near the left side of the track 300, and the top support legs 402 are arranged at the working position of the track 300. When the simulation vehicle 200 carries the loading vehicle 100 and walks to the working position, each top support leg 402 rotates relative to the top support plate 401 to a standing state, that is, the top support leg 402 is arranged vertically, as shown in FIG. Figure 5At this time, the height of the top of the top support leg 402 is consistent with the height of the lifting plate 212. The top support leg 402 and the lifting plate 212 support the simulation vehicle 200 at the same time to prevent the simulation vehicle 200 from falling and improve safety and reliability. After the operation is completed, the top support leg 402 rotates relative to the top support plate 401 to a flat state, as shown in FIG. Figure 6 At this time, the top of the top support leg 402 is separated from the simulation vehicle 200 and no longer supports the simulation vehicle 200, so that the pick-up vehicle 100 can send the simulation vehicle 200 back to its original position. It should be noted that, among the pair of top support frames 400, the top support leg 402 of one of the top support frames 400 can be rotated forward or backward relative to its top support plate 401 to a lying state, and the top support leg 402 of the other top support frame 400 can be rotated left or right relative to its top support plate 401 to a lying state, so as to prevent the two top support legs 402 from rotating in the same direction and affecting the stability of the simulation vehicle 200 on the pick-up vehicle 100.

[0052] In addition, the loading system further includes two second limiting frames 500, which are arranged at intervals on the left and right, one of which is close to the walking platform 13 on the left, and the other is close to the walking platform 13 on the right. The second limiting frames 500 can limit the docking vehicle 100 so that the docking vehicle 100 can be parked at the correct working position. In addition, the top of each second limiting frame 500 faces one side of the docking vehicle 100, that is, the rear side of the top of the second limiting frame 500 is provided with a second limiting pad 501, which is a flexible pad and can buffer and protect the docking vehicle 100.

[0053] The above are only preferred embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A pick-up vehicle, used to pick up a simulated vehicle between vehicles, characterized in that: The pick-up vehicle includes: A traveling frame, wherein the traveling frame has traveling wheels, the traveling wheels run along a ground track of the workshop, and the track extends along a first direction; A lifting mechanism, the lifting mechanism is arranged on the traveling frame, and the lifting mechanism can move up and down relative to the traveling frame, so that the simulation vehicle is supported on the lifting mechanism or detached from the lifting mechanism; The lifting mechanism includes a lifting assembly, the lifting assembly includes a driving member, a lifting plate and two support frames, the two support frames are arranged at intervals along a first direction, the support frame is supported on the walking frame, the two ends of the lifting plate are respectively connected to the two support frames, the lifting plate is used to support the simulation vehicle, and the driving member is used to drive the support frame and the lifting plate to move up and down relative to the walking frame; The support frame includes two support columns arranged at intervals along a second direction, the first direction and the second direction are perpendicular to each other, and a support seat is provided at a position corresponding to each of the support columns on the walking frame, and the bottom end of the support column can be lifted and lowered in the corresponding support seat; transition plates are provided at both ends of the lifting plate, and the two ends of the transition plate are respectively connected to the top ends of the two support columns, and each of the transition plates is correspondingly provided with a driving member, and the output shaft of the driving member is connected to the transition plate, and the support frame and the lifting plate are driven to move up and down relative to the walking frame through the transition plate; The walking frame comprises a connecting platform and two walking platforms, the two walking platforms are arranged at intervals along the second direction, each walking platform extends along the first direction, and one end of the two walking platforms is connected through the connecting platform, and each walking platform is provided with a lifting assembly; two first limit frames are arranged at intervals on the left and right of the connecting platform; The two walking platforms and the connecting platform form a U-shaped walking frame, and a cavity for the assembly line to extend into is arranged in the middle part of the walking frame.

2. The pick-up vehicle according to claim 1, characterized in that: The support seat includes a limit column and two limit rollers, one of the limit rollers is arranged opposite to the limit column, and the other limit roller is arranged adjacent to the limit column, the limit column and the two limit rollers form a guide cavity, the bottom end of the support column extends into the guide cavity and can be raised and lowered relative to the guide cavity, and the limit roller is in rolling contact with the outer wall of the support column.

3. The pick-up vehicle according to claim 1, characterized in that: Two buffer pads are arranged on the transition plate, and the two buffer pads are arranged on both sides of the lifting plate.

4. The pick-up vehicle according to any one of claims 1 to 3, characterized in that: The bottom end of the first limiting frame is installed on the connecting platform, and a first limiting pad is arranged on a side of the top end of the first limiting frame facing the lifting assembly.

5. The pick-up vehicle according to claim 4, characterized in that: The connecting platform is also provided with an electric control box and two push-pull handles, the two push-pull handles are arranged at intervals along the second direction, and the electric control box is located between the two push-pull handles; and a harness placement rack is also provided at one end of the connecting platform.

6. A pick-up system, characterized in that: The receiving system includes a track and a receiving vehicle as described in any one of claims 1-5, the track includes a horizontally placed base plate and a vertical plate connected to one side of the base plate, the walking wheels run along the base plate, and the walking frame is provided with a guide groove that is in sliding contact with the vertical plate.

7. The pick-up system according to claim 6, characterized in that: The receiving system also includes two top support frames arranged at intervals along the first direction, and the top support frames are arranged close to the track, the top support frames include a top support plate and a top support foot hinged on the top support plate, and the top support foot can switch between a standing state and a lying state relative to the top support plate to correspondingly support the simulation vehicle or detach from the simulation vehicle; and / or, the receiving system also includes a second limiting frame, the second limiting frame is close to one end of the track, and a second limiting pad is arranged on the top end of the second limiting frame facing the receiving vehicle.

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