Automobile accessory stereoscopic warehouse carrying equipment based on laser navigation

Abstract

The invention discloses automobile part stereoscopic warehouse carrying equipment based on laser navigation, and relates to the technical field of automobile part carrying equipment. Automobile accessory stereoscopic warehouse carrying equipment based on laser navigation comprises AGV carrying equipment, a laser navigation system for controlling the AGV carrying equipment to start and stop is arranged in the AGV carrying equipment, and a liftable L-shaped bearing plate is installed on one side of the AGV carrying equipment; through the arrangement of the first placing box and the second placing box, on one hand, the storage capacity of the carrying equipment is increased, so that the transportation efficiency of the device is improved, and on the other hand, expansion pieces are arranged in the first placing box and the second placing box, so that when the automobile parts are unloaded after being carried, the transportation efficiency is improved. And the automobile parts at the bottoms of the first placement box and the second placement box can be well unloaded by a grabbing manipulator or manual work which is convenient to unload, so that the use flexibility of the device is improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of automotive parts handling equipment, and particularly relates to a three-dimensional warehouse handling equipment for automotive parts based on laser navigation. Background Art

[0002] With the development of the automotive industry, the types and quantities of automotive parts have increased day by day, posing higher requirements for the management of three-dimensional warehouses for automotive parts; the traditional manual handling method is inefficient and inaccurate, and it is difficult to meet the needs of modern automotive parts warehouses. In order to improve work efficiency and save labor intensity, in the prior art, when handling automotive parts, an AGV handling robot device is used to automatically handle and transport the parts in the warehouse; Among them, the AGV handling robot device includes a traveling mechanism, a carrying platform, a lifting mechanism and is also equipped with a laser navigation system, etc., to guide the device to travel in the warehouse and transport it to a designated placement position in the warehouse. However, in the actual operation process, due to the setting of the three-dimensional warehouse, there are a large number of goods piled up in the warehouse. Although there are reserved lanes for walking, it is inevitable that the lanes become narrower due to special circumstances, which makes it difficult for the vehicle equipment to pass during handling and transportation, or to detour, thus affecting the working efficiency of the equipment. For this reason, we propose a three-dimensional warehouse handling equipment for automotive parts based on laser navigation to solve the above-mentioned problems. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a three-dimensional warehouse handling equipment for automotive parts based on laser navigation that can overcome the above problems or at least partially solve the above problems.

[0004] To solve the above technical problems, the basic concept of the technical solution adopted by the present invention is: a three-dimensional warehouse handling equipment for automotive parts based on laser navigation, including an AGV handling equipment, a laser navigation system for controlling the start and stop of the AGV handling equipment is arranged inside the AGV handling equipment, a liftable L-shaped carrying plate is installed on one side of the AGV handling equipment, and further includes: a first placement box arranged on the L-shaped carrying plate; second placement boxes symmetrically installed on both sides of the first placement box, expansion members are arranged on both the first placement box and the second placement boxes; a plurality of counterweights are installed on one side surface of the L-shaped carrying plate, and when the first placement box moves up a certain distance, it contacts the counterweights, applying a vertically downward force to one side of the first placement box in the upward movement state; when the first placement box moves up, a variable triangular area is formed with the two second placement boxes, and when moving up, the two second placement boxes are driven to move relatively through a linkage member, and when the first placement box moves down, the two second placement boxes move in opposite directions.

[0005] Preferably, the expansion member includes a movable plate that is slidably connected to the inner walls of the first placement box and the second placement box. A square airbag is attached to the bottom of the movable plate. The three square airbags are all installed on the inner walls of the first placement box and the second placement box. One end of the square airbag is connected to an air delivery pipe, and one end of the air delivery pipe is equipped with an air pump.

[0006] Preferably, a displacement sensor is embedded in the movable plate. A scale is provided on one inner wall of the first placement box and the second placement box, and a wear-resistant coating is provided on the surfaces of the first placement box and the second placement box.

[0007] Preferably, the linkage member includes a driving part fixedly installed at the bottom of the first placement box. The driving part is fixedly installed on the L-shaped bearing plate. One side surface of the first placement box is fixedly connected to a limiting shaft, and one end of the limiting shaft is slidably connected to a T-shaped sliding groove opened on one side surface of the L-shaped bearing plate.

[0008] Preferably, the output end of the driving part is fixedly connected to a second rack. A second gear is engaged with the surface of the second rack. A connecting shaft is fixedly connected to the center of the second gear. One end of the connecting shaft is rotatably connected to the L-shaped bearing plate through a bearing. One end of the connecting shaft is fixedly connected to a first gear, and a first rack is engaged with the surface of the first gear.

[0009] Preferably, the bottom of the first rack is fixedly connected to a connecting block. One end of the connecting block is fixedly connected to the second placement box, and the other end of the connecting block is fixedly connected to a sliding seat. The sliding seat is slidably connected to a sliding rail, and the sliding rail is installed on the side surface of the support plate. The support plate is fixedly installed on the surface of the L-shaped bearing plate.

[0010] Preferably, arc-shaped notches are provided on the bottom surfaces of the three counterweight blocks. The arc-shaped notches are adapted to the limiting shaft. Positioning grooves are provided on the bottom surfaces of the counterweight blocks, and positioning blocks are fixed on the tops of the counterweight blocks. The positioning blocks are adapted to the positioning grooves.

[0011] Preferably, a fixed block is fixedly connected to one side surface of the L-shaped bearing plate. One end of the fixed block is rotatably connected to a rotating plate through a pin shaft. One side surface of the rotating plate is rotatably connected to a compression spring through a pin shaft. One end of the compression spring is rotatably connected to the fixed block through a pin shaft.

[0012] Preferably, a limiting block is fixed at one end of the rotating plate. An opening is provided on the surface of the fixed block. One end of the limiting block is clamped in the opening, and one end of the rotating plate is in contact with the bottom surfaces of two of the counterweight blocks.

[0013] Preferably, the plurality of counterweight blocks are arranged at equal intervals. One side of three of the counterweight blocks is fixedly connected with a T-shaped block, and the T-shaped block is slidably connected in a T-shaped chute.

[0014] After adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art: By providing a first placement box and a second placement box, on the one hand, the storage capacity of the handling equipment is increased, thereby improving the transportation efficiency of the device. On the other hand, expansion members are provided inside the first placement box and the second placement box, so that when unloading the automotive parts after handling, the automotive parts at the bottom of the first placement box and the second placement box can be lifted, facilitating the gripper or manual operation for better unloading, and improving the flexibility of the device.

[0015] In the present invention, when the handling equipment travels on a narrow path in the stereoscopic warehouse, by lifting the first placement box, the two second placement boxes move relative to each other, thereby shortening the width of the goods carried on the transportation equipment and facilitating the equipment to pass through the narrow path. When the first placement box moves down at a higher position, at this time, through the opposite movement of the two second placement boxes, the protruding parts of the parts placed on the path in the warehouse can be squeezed and leveled, avoiding the influence of the protruding automotive parts on the handling equipment. Description of the Drawings

[0016] In the drawings: Figure 1 is the overall structural schematic diagram of a handling equipment for automotive parts in a stereoscopic warehouse based on laser navigation proposed by the present invention; Figure 2 is the side cross-sectional structural schematic diagram of a handling equipment for automotive parts in a stereoscopic warehouse based on laser navigation proposed by the present invention; Figure 3 is the front cross-sectional structural schematic diagram of a handling equipment for automotive parts in a stereoscopic warehouse based on laser navigation proposed by the present invention; Figure 4 is the side cross-sectional structural schematic diagram of the L-shaped bearing plate and the first placement box proposed by the present invention; Figure 5 is the three-dimensional structural schematic diagram of the L-shaped bearing plate in a top view state proposed by the present invention; Figure 6 proposed by the present invention Figure 5 is the enlarged structural schematic diagram at A in Figure 7 is the partial three-dimensional structural schematic diagram of the second placement box and the linkage member proposed by the present invention; Figure 8 is the partial three-dimensional structural schematic diagram of the L-shaped bearing plate and the counterweight block proposed by the present invention.

[0017] In the figure: 1. AGV handling equipment; 11. Laser navigation system; 2. L-shaped bearing plate; 3. First placement box; 31. Second placement box; 32. Movable plate; 33. Square airbag; 34. Air pipe; 35. Air pump; 36. Displacement sensor; 41. Driving part; 42. Limit shaft; 43. T-shaped sliding groove; 44. Slide block; 45. Slide rail; 46. Support plate; 47. Connecting block; 48. First rack; 49. First gear; 491. Connecting shaft; 492. Second gear; 493. Second rack; 5. Counterweight; 51. Positioning groove; 511. T-shaped block; 52. Positioning block; 53. Fixed block; 54. Rotating plate; 55. Limit block; 56. Compression spring; 6. Scale. Detailed implementation mode

[0018] The following further describes the present invention in detail with reference to the accompanying drawings and embodiments, so that those skilled in the art can implement it according to the description in the specification.

[0019] It should be understood that terms such as "having", "including", and "comprising" used herein do not exclude the presence or addition of one or more other elements or their combinations.

[0020] In the description of the present invention, the orientation or positional relationship indicated by terms such as "horizontal", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention.

[0021] Example 1: Refer to Figures 1-8 , a three-dimensional warehouse handling equipment for automotive parts based on laser navigation, including an AGV handling equipment 1. Inside the AGV handling equipment 1, there is a laser navigation system 11 for controlling the start and stop of the AGV handling equipment 1. One side of the AGV handling equipment 1 is installed with a liftable L-shaped bearing plate 2. It also includes: a first placement box 3, arranged on the L-shaped bearing plate 2; second placement boxes 31, symmetrically installed on both sides of the first placement box 3. Expansion parts are provided on both the first placement box 3 and the second placement boxes 31; a plurality of counterweights 5, installed on one side surface of the L-shaped bearing plate 2, contacting the counterweights 5 when the first placement box 3 moves up a certain distance, and applying a vertically downward force to one side of the first placement box 3 in the upward movement state; when the first placement box 3 moves up, a variable triangular area is formed with the two second placement boxes 31, and the two second placement boxes 31 are driven to move relatively through the linkage parts when moving up, and when the first placement box 3 moves down, the two second placement boxes 31 move in opposite directions.

[0022] In the present invention, the AGV handling equipment 1 includes a chassis, and a driving wheel and a driven wheel are installed at the bottom of the chassis. The driving wheel is driven by a DC motor and can realize the functions of straight-line walking and steering. The lifting mechanism adopts a hydraulic lifting system, which is composed of a hydraulic pump station, a hydraulic cylinder and a control valve. It can drive the L-shaped load-bearing plate 2 to perform lifting movements, so as to facilitate the movement of stored auto parts to a high place in the warehouse to realize the handling operation. The laser navigation system 11 is set up, and multiple laser transmitters are installed on the top or wall of the warehouse. The laser beams emitted by the laser transmitters form a series of grid lines on the floor of the warehouse. These grid lines serve as the navigation path of the equipment to guide the equipment to travel in the warehouse, and a laser receiver is installed on the chassis of the equipment. The laser receiver can receive the laser signal emitted by the laser transmitter in real time and transmit the signal to the control system. The control system calculates the current position and posture of the equipment based on the received signal, thereby achieving accurate navigation. This is a prior art and will not be repeated here. In the actual operation process, due to the different sizes of the auto parts on the opposite side of the stereoscopic warehouse, coupled with the mistakes in manual stacking and storage, and the complexity of stacking requirements, the width of the driving and handling channels in the warehouse is inconsistent, and some auto parts materials protrude and interfere, affecting the movement of the handling equipment and reducing the work efficiency of the equipment. In this solution, the AGV handling equipment 1 realizes autonomous path planning and precise positioning in the stereoscopic warehouse through the built-in laser navigation system 11. At the same time, the first placement box 3 and the second placement box 31 are provided on the L-shaped carrier plate 2 to form multiple storage areas, thereby maximizing the storage capacity of the equipment for handling and transportation of auto parts. When the equipment needs to pass through a narrow channel, the L-shaped carrier plate 2 drives the first placement box 3 to move vertically upward, and the linkage synchronously pulls the second placement boxes 31 on both sides to move symmetrically toward the center to form a dynamically shrinking triangle. In the load-bearing area, during this process, the lifting action of the first placement box 3 and the horizontal displacement of the second placement box 31 form a linkage proportional relationship, which significantly reduces the overall width of the equipment and effectively breaks through the passage restrictions of traditional transportation equipment. The synchronous counterweight block 5 uses a mechanical compensation mechanism to balance the center of gravity offset in real time to ensure transportation stability. When there are protruding and abnormally placed accessory materials on both sides of the driving channel, which affect the transportation of the accessory materials passing by, the first placement box 3 is moved up to a higher position in advance, and then moved down to trigger the reverse linkage mechanism: the second placement boxes 31 on both sides expand in the opposite direction along the track, using the two second placement boxes 31 to The side of the placement box 31 implements adaptive extrusion and flattening on the protruding accessories on the path to avoid the risk of equipment collision caused by abnormal placement of goods. The first placement box 3 and the second placement box 31 are provided with expansion parts inside. When the L-shaped load-bearing plate 2 is lifted as a whole and the transported accessories are moved to a higher place in the three-dimensional warehouse, the expansion parts produce an elastic jacking effect, so that the automotive accessories rise in the first placement box 3 or the second placement box 31, which greatly improves the operational convenience of mechanical grasping or manual unloading. This dual-mode linkage design not only enhances the adaptability to complex warehouse paths, but also realizes the coordinated optimization of loading and unloading efficiency and safety.

[0023] Example 2: Refer to Figure 4 , which is basically the same as Example 1. Further, the expansion member includes a movable plate 32 that is slidably connected to the inner walls of the first placement box 3 and the second placement box 31. A square airbag 33 is attached to the bottom of the movable plate 32. The three square airbags 33 are all installed on the inner walls of the first placement box 3 and the second placement box 31. One end of the square airbag 33 is connected to an air pipe 34. One end of the air pipe 34 is installed with an air pump 35. A displacement sensor 36 is embedded in the interior of the movable plate 32. A scale 6 is provided on one inner wall of the first placement box 3 and the second placement box 31. Wear-resistant coatings are provided on the surfaces of the first placement box 3 and the second placement box 31.

[0024] Among them, automotive parts to be transported can be stored in the first placement box 3 or the second placement box 31. When the L-shaped carrier plate 2 is lifted to a high place, the first placement box 3 and the second placement box 31 also move to the corresponding height, facilitating the movement and handling of automotive parts to be stacked and stored at a higher place in the warehouse. When the parts in the first placement box 3 or the second placement box 31 are almost taken and unloaded, the air pump 35 is started to inflate the interior of the square airbag 33, causing it to expand and then squeeze the movable plate 32 to move upward inside the first placement box 3 or the second placement box 31. In this way, the parts inside the first placement box 3 or the second placement box 31 can be lifted to a higher place inside the first placement box 3 or the second placement box 31, facilitating the clamping by the clamping manipulator or manual unloading. Through this structural design, it is avoided that in the prior art, some mechanical arms are of fixed length and it is difficult to identify and grab parts deep inside the first placement box 3 or the second placement box 31, or the labor intensity of manual bending to unload and carry parts is large. The labor intensity is saved and the accuracy of the manipulator grasping is improved. At the same time, by setting a flexible structure at the bottom during parts handling, when the handling equipment walks on a bumpy deceleration section, it plays a role in damping and buffering the transported parts, further improving the stable performance of the equipment operation. The displacement sensor 36 can adopt a commonly used model in the market. When the movable plate 32 is displaced, the displacement amount of the movable plate 32 can be measured and the signal is fed back to the control system, and the displacement data can be observed. The scale 6 can display the volume inside the first placement box 3 or the second placement box 31.

[0025] Example 3: Refer to Figure 2 , Figure 4 , Figure 6 and Figure 7, which is basically the same as Embodiment 2, and further: The linkage member includes a driving portion 41 fixedly installed at the bottom of the first placement box 3. The driving portion 41 is fixedly installed on the L-shaped bearing plate 2. One side surface of the first placement box 3 is fixedly connected with a limiting shaft 42. One end of the limiting shaft 42 is slidably connected with a T-shaped sliding groove 43. The T-shaped sliding groove 43 is opened on one side surface of the L-shaped bearing plate 2. The output end of the driving portion 41 is fixedly connected with a second rack 493. A second gear 492 is engaged with the surface of the second rack 493. A connecting shaft 491 is fixedly connected to the center of the second gear 492. One end of the connecting shaft 491 is rotatably connected to the L-shaped bearing plate 2 through a bearing. One end of the connecting shaft 491 is fixedly connected with a first gear 49. A first rack 48 is engaged with the surface of the first gear 49. The bottom of the first rack 48 is fixedly connected with a connecting block 47. One end of the connecting block 47 is fixedly connected with the second placement box 31. The other end of the connecting block 47 is fixedly connected with a sliding seat 44. The sliding seat 44 is slidably connected to a slide rail 45. The slide rail 45 is installed on the side surface of a support plate 46. The support plate 46 is fixedly installed on the surface of the L-shaped bearing plate 2.

[0026] Among them, when the AGV handling equipment 1 identifies the narrow aisle of the stereoscopic warehouse through the laser navigation system 11, the driving unit 41 starts and drives the second rack 493 to move vertically, and transmits power to the first gear 49 through the transmission of the second gear 492 and the connecting shaft 491. During the meshing process of the first gear 49 and the first rack 48, the connecting block 47 pulls and slides synchronously toward the center along the slide rail 45, and at the same time, the limit shaft 42 is guided in the T-shaped slide groove 43 to ensure that the first placement box 3 is vertically lifted and lowered without deviation. In this stage, the transmission structure realizes the mechanical decoupling control of lifting and contraction, so that the equipment can realize the adjustment and control of the width of the transported goods during transportation. The low-friction guiding system composed of the support plate 46 and the slide seat 44 improves the smoothness of the movement of the second placement box 31. Among them, the above-mentioned transmission structure is designed through a ratio to ensure the normal operation of the horizontal movement and lifting movement of the first placement box 3 and the second placement box 31. Through this structure, during use, through the driving unit 41 is started to drive the first placement box 3 to move up, thereby making the two second placement boxes 31 move relative to each other, ensuring that when the handling equipment passes through a narrow channel, the overall width of the transported accessories can be adjusted and controlled, better adapting to walking through a narrow channel, effectively improving the flexibility of the device under complex conditions in the stereoscopic warehouse, and reducing the occurrence of low efficiency in detour driving; when walking in the channel in the warehouse, if there are some temporarily unevenly placed protruding accessory materials on both sides of the channel, which interfere with the normal driving of the handling equipment, at this time, the first placement box 3 is lifted to a certain height, and then the first placement box 3 is moved down and reset, and at this time the two second placement boxes 31 move to the edges of the channels on both sides, and the protruding accessory materials are squeezed by the side of the second placement box 31, so that the stacked materials are more neat, so that the structure can also play a good leveling and correction effect when adjusting the overall width of the transported accessories, wherein the driving part 41 is replaced by a hydraulic rod drive.

[0027] Example 4: Reference Figure 4 and Figure 8, which is basically the same as Embodiment 3. Further: Arc-shaped notches are provided on the bottom surfaces of the three counterweight blocks 5, and the arc-shaped notches are adapted to the limiting shafts 42. Positioning grooves 51 are provided on the bottom surfaces of the counterweight blocks 5, positioning blocks 52 are fixed to the tops of the counterweight blocks 5, and the positioning blocks 52 are adapted to the positioning grooves 51. A fixing block 53 is fixedly connected to one side surface of the L-shaped bearing plate 2. One end of the fixing block 53 is rotatably connected to a rotating plate 54 through a pin shaft. A compression spring 56 is rotatably connected to one side surface of the rotating plate 54 through a pin shaft. One end of the compression spring 56 is rotatably connected to the fixing block 53 through a pin shaft. A limiting block 55 is fixed to one end of the rotating plate 54. An opening is provided on the surface of the fixing block 53, and one end of the limiting block 55 is clamped in the opening. One end of the rotating plate 54 is in contact with the bottom surfaces of two of the counterweight blocks 5. The multiple counterweight blocks 5 are arranged at equal intervals. A T-shaped block 511 is fixedly connected to one side surface of the three counterweight blocks 5, and the T-shaped block 511 is slidably connected in the T-shaped sliding groove 43.

[0028] In the present invention, when the AGV handling device 1 enters the narrow aisle of the stereoscopic warehouse through the laser navigation system 11, the driving part 41 drives the first placement box 3 to vertically lift. The limiting shaft 42 in the linkage member slides directionally along the T-shaped sliding groove 43. At the same time, the three counterweight blocks 5 are driven to displace synchronously through the T-shaped blocks 511 slidably connected in the sliding groove. The arc-shaped notches at the bottoms of the counterweight blocks 5 are adapted to the curved surfaces of the limiting shafts 42. And positioning grooves 51 and positioning blocks 52 are provided. With the gradient counterweight effect generated by the multiple counterweight blocks 5 arranged at equal intervals, when the first placement box 3 is lifted, the counterweight blocks 5 are lifted synchronously, so that the offset of the center of gravity of the device is controlled within a controllable range. When the first placement box 3 moves down, the two upper counterweight blocks 5 are automatically reset. The mechanical self-locking is triggered by the clamping action of the limiting block 55 at one end of the provided rotating plate 54 in the opening, preventing the two upper counterweight blocks 5 from moving down, so that the three counterweight blocks 5 are arranged at equal intervals, ensuring the dynamic stability of the counterweight system adaptation when the first placement box 3 is lifted, and effectively reducing the occurrence of the device tipping. It should be noted that square notches are provided on one side of the positioning grooves 51 on the bottom surfaces of the three counterweight blocks 5. When the topmost counterweight block 5 moves to the end point of upward movement, the bottom surface of the counterweight block 5 will not contact the rotating plate 54. When the two upper counterweight blocks 5 are reset and move down, the elastic rebound of the compression spring 56 presses the rotating plate 54, so that one end of the rotating plate 54 supports on the bottom surface of the counterweight block 5 through the square notch for limiting. The mass and quantity of the counterweight blocks 5 are adapted and designed according to the load-bearing limit values stored in the first placement box 3 and the second placement box 31.

[0029] The above embodiments only illustrate several implementation manners of the present invention. The description thereof is relatively specific and detailed, but it should not be construed as a limitation on the scope of the invention patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can be made. These are all equivalent modifications and evolutions made to the above embodiments based on the substantial technology of the present invention, and all of these fall within the protection scope of the present invention.

Claims

1. A laser-navigated auto parts stereoscopic warehouse handling equipment, comprising an AGV handling equipment (1), wherein a laser navigation system (11) for controlling the start and stop of the AGV handling equipment (1) is arranged inside the AGV handling equipment (1), and a liftable L-shaped carrying plate (2) is installed on one side of the AGV handling equipment (1), characterized in that: Also includes: A first placement box (3) is arranged on the L-shaped carrying plate (2); The second storage box (31) is symmetrically mounted on both sides of the first storage box (3), and both the first storage box (3) and the second storage box (31) are provided with expansion pieces; A plurality of counterweight blocks (5) are mounted on one side of the L-shaped load-bearing plate (2), and contact the counterweight blocks (5) when the first placement box (3) moves upward to a certain distance, thereby applying a vertical downward force to one side of the first placement box (3) in the upward state; When the first placement box (3) moves upward, it forms a variable triangular area with the two second placement boxes (31), and drives the two second placement boxes (31) to move relative to each other through the linkage when moving upward. When the first placement box (3) moves downward, the two second placement boxes (31) move in opposite directions.

2. The laser navigation-based auto parts stereoscopic warehouse handling equipment according to claim 1 is characterized in that: The expansion member comprises a movable plate (32) which is slidably connected to the inner wall of the first storage box (3) and the second storage box (31); a square air bag (33) is attached to the bottom of the movable plate (32); three square air bags (33) are installed on the inner wall of the first storage box (3) and the second storage box (31); one end of the square air bag (33) is connected to an air supply pipe (34); one end of the air supply pipe (34) is installed with an air pump (35).

3. The laser navigation-based auto parts stereoscopic warehouse handling equipment according to claim 2 is characterized in that: A displacement sensor (36) is embedded and installed inside the movable plate (32), a scale (6) is provided on one inner wall of the first placement box (3) and the second placement box (31), and a wear-resistant coating is provided on the surface of the first placement box (3) and the second placement box (31).

4. The laser navigation-based auto parts stereoscopic warehouse handling equipment according to claim 1 is characterized in that: The linkage member comprises a driving part (41) fixedly mounted on the bottom of the first placement box (3), the driving part (41) being fixedly mounted on the L-shaped supporting plate (2), a side surface of the first placement box (3) being fixedly connected to a limiting shaft (42), one end of the limiting shaft (42) being slidably connected to a T-shaped slide groove (43), and the T-shaped slide groove (43) being provided on a side surface of the L-shaped supporting plate (2).

5. The laser navigation-based auto parts stereoscopic warehouse handling equipment according to claim 4 is characterized in that: The output end of the driving part (41) is fixedly connected to a second rack (493), the surface of the second rack (493) is meshed with a second gear (492), the axis of the second gear (492) is fixedly connected to a connecting shaft (491), one end of the connecting shaft (491) is rotatably connected to the L-shaped bearing plate (2) via a bearing, one end of the connecting shaft (491) is fixedly connected to a first gear (49), and the surface of the first gear (49) is meshed with a first rack (48).

6. The laser navigation-based auto parts stereoscopic warehouse handling equipment according to claim 5 is characterized in that: A connecting block (47) is fixedly connected to the bottom of the first rack (48); one end of the connecting block (47) is fixedly connected to the second placement box (31); the other end of the connecting block (47) is fixedly connected to a slide seat (44); the slide seat (44) is slidably connected to a slide rail (45); the slide rail (45) is mounted on the side surface of a support plate (46); and the support plate (46) is fixedly mounted on the surface of the L-shaped bearing plate (2).

7. The laser navigation-based auto parts stereoscopic warehouse handling equipment according to claim 1 is characterized in that: The bottom surfaces of the three counterweight blocks (5) are provided with arc notches, which are matched with the limiting shaft (42); the bottom surfaces of the counterweight blocks (5) are provided with positioning grooves (51); the tops of the counterweight blocks (5) are fixed with positioning blocks (52), which are matched with the positioning grooves (51).

8. The laser navigation-based auto parts stereoscopic warehouse handling equipment according to claim 7 is characterized in that: A fixed block (53) is fixedly connected to a surface of one side of the L-shaped bearing plate (2); one end of the fixed block (53) is rotatably connected to a rotating plate (54) via a pin; one side of the rotating plate (54) is rotatably connected to a compression spring (56) via a pin; one end of the compression spring (56) is rotatably connected to the fixed block (53) via a pin.

9. The laser-navigation-based auto parts stereoscopic warehouse handling equipment according to claim 8, characterized in that: A limiting block (55) is fixed to one end of the rotating plate (54); an opening is provided on the surface of the fixing block (53); one end of the limiting block (55) is clamped on the opening; and one end of the rotating plate (54) is in contact with the bottom surfaces of two of the counterweight blocks (5).

10. The laser navigation-based auto parts stereoscopic warehouse handling equipment according to claim 4, characterized in that: The plurality of counterweight blocks (5) are arranged at equal intervals, and a T-shaped block (511) is fixedly connected to one side of three of the counterweight blocks (5), and the T-shaped block (511) is slidably connected in the T-shaped slide groove (43).

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