Raw material carrying device for bus duct workshop

Abstract

The invention discloses a raw material carrying device for a bus duct workshop. The raw material carrying device comprises a carrying bottom plate; and the gravity limiting assembly is arranged above the carrying bottom plate, the gravity limiting assembly comprises a bearing part and a drawing part, the bearing part is used for supporting the bus duct raw materials in a layered mode, and the drawing part is used for changing the bearing size of the bearing part. Raw materials are placed on the L-shaped bearing plate from bottom to top and pushed into the L-shaped bearing plate, the raw materials push the anti-moving block and the pressing strip to move upwards together till the raw material plate is moved to be blocked by the sliding rail plate, the L-shaped bearing plate is pressed downwards by the weight of the raw material plate, and the raw materials continue to be stacked on the L-shaped bearing plate above the raw materials; the L-shaped bearing plate is pressed by raw materials to push the mounting shell and the pressing strip downwards, the raw materials are limited front and back through the anti-moving block and the sliding rail plate, the pressing strip is pressed above the raw materials to stabilize the positions of the raw materials, automatic limiting is achieved when the raw materials are stacked, extra manpower is not needed for limiting operation, and the labor cost can be saved.

Description

Technical Field

[0001] The invention relates to the technical field of transportation, and in particular to a material transportation device for a bus duct workshop. Background Art

[0002] Bus duct is a device used for electrical wiring and power transmission in electrical systems. It is usually made of metal or plastic and is used to be installed inside buildings or industrial facilities. It can realize power transmission and electrical wiring, improve safety and maintenance convenience, and is beautiful and extensible. It is one of the commonly used wiring equipment in electrical systems. The raw materials for bus duct production include galvanized steel plates, stainless steel plates, aluminum alloys and other metal materials, polyvinyl chloride, polypropylene, polystyrene and other plastic materials. In the bus duct production workshop, bus duct raw materials are usually transported by carts.

[0003] For the material transportation method of bus duct, the raw materials are usually piled on a cart and pushed to a designated place by manpower. During the transportation process, in order to prevent the raw materials from sliding, after the raw materials are piled on the cart, manual operation of a limiting structure (such as rope binding) is required to limit the stacked raw materials. It is impossible to automatically limit the raw materials when they are piled, which increases the manpower to a certain extent. Summary of the invention

[0004] The purpose of the present invention is to provide a material handling device for a bus duct workshop, which solves the problem that after the existing handling device stacks the raw materials, it is still necessary to manually operate a limiting structure (such as rope binding) to limit the stacked raw materials. The raw materials cannot be automatically limited when they are stacked, which increases the manpower problem to a certain extent.

[0005] The present invention solves the above technical problems through the following technical solutions, which include:

[0006] Carrying the base plate;

[0007] A gravity limiter assembly, which is arranged above the transport bottom plate and includes a bearing member and a drawer, wherein the bearing member is used to support the bus duct material in layers, and the drawer is used to change the bearing size of the bearing member;

[0008] The support member comprises a left mounting plate fixed to the top of the conveying base plate, a guide rod fixed to the top of the conveying base plate, a right mounting plate arranged on one side of the left mounting plate and a plurality of L-shaped load-bearing plates, wherein a plurality of adjusting frames are rotatably mounted on one side of the left mounting plate and the right mounting plate, and a fixing rod is fixed between two ends of the adjusting frame, and a plurality of strong springs are fixed below the adjusting frame. A through slot is provided in the interior of the L-shaped load-bearing plate, and the fixing rod is penetrated in the interior of the through slot, and a mounting shell and a slide rail plate are fixed below the L-shaped load-bearing plate. A spring is fixed in the interior of the mounting shell, and an anti-shift block is slidably provided in the interior of the mounting shell. A vertical slot is provided on the back side of the mounting shell, and a pressure strip is slidably provided in the interior of the vertical slot, and a top pressure plate is hinged on the top of the left mounting plate and the top of the right mounting plate, and one end of the pressure strip is fixedly connected to the back side of the anti-shift block, and the other end of the pressure strip slides in the interior of the slide rail plate.

[0009] Preferably, the pull-out member includes a slide groove opened inside the L-shaped load-bearing plate, a connecting rod sliding inside the slide groove, a support plate fixed to the bottom of the right mounting plate, and a rotating plate arranged above the carrying base plate, a pull-out plate is fixed on one side of the support plate, a plurality of grooves are opened on the top of the pull-out plate, a positioning block is fixed under the rotating plate, support rods are fixed on both sides of the rotating plate, a pedal is rotated between the opposite sides of the two support rods, and a return spring is fixed under the pedal.

[0010] Preferably, an inner cavity is provided inside the transport bottom plate and inside the left mounting plate, and the two inner cavities are connected to form an L-shape between the two inner cavities.

[0011] Preferably, an increase / decrease component is provided between the interiors of the two inner cavities, and the increase / decrease component comprises a connector and a visual component, the connector is used to connect the two transport base plates, and the visual component is used to monitor the road conditions in front of the transport base plates connected side by side.

[0012] Preferably, the connector includes threaded rods respectively rotating inside the two inner cavities, a horizontal column fixed to the back of the transport base plate, and a vertical column fixed to the back of the left mounting plate, the outer surfaces of the two threaded rods are threadedly connected with plug-in columns, and the outer surfaces of the two threaded rods are fixed with bevel gears, the two bevel gears are meshed with each other, one end of one of the threaded rods passes through the transport base plate and extends to one side of the transport base plate, and the end of the threaded rod extending to one side of the transport base plate is fixed with a rotating wheel, and plug-in holes are provided inside the horizontal column and the vertical column.

[0013] Preferably, the visible component includes a hanging rod 1 fixed to one side of the right mounting plate and a vertical plate fixed above one of the top pressure plates, a hanging rod 2 is fixed to one side of the vertical plate, and elastic clips are provided on the outside of the hanging rod 1 and the outside of the hanging rod 2, and a camera and a display screen are respectively fixed to one side of the two elastic clips.

[0014] Preferably, a transverse slot is provided on the front side of the transport base plate, and a vertical slot is provided on the front side of the left mounting plate.

[0015] Preferably, four universal wheels are fixed below the transport base plate, and a steering wheel is fixed at the bottom of the support plate.

[0016] Preferably, a square groove is opened above the conveying bottom plate, one end of the return spring is fixed inside the square groove, and the rotating plate is rotated between two sides of the inner wall of the square groove through a rotating rod.

[0017] Preferably, a pull-out groove is provided on one side of the transport bottom plate, and the pull-out plate is slidably arranged inside the pull-out groove.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] 1. Place the raw materials from bottom to top on the L-shaped load-bearing plate and push them in. The raw materials will push the anti-movement block and the pressure strip upward until the raw material plate moves to be blocked by the slide rail plate. The weight of the raw material plate itself will press the L-shaped load-bearing plate downward. Continue to stack the raw materials on the L-shaped load-bearing plate above the raw materials. The L-shaped load-bearing plate will push the mounting shell and the pressure strip downward under the pressure of the raw materials. The anti-movement block and the slide rail plate will limit the raw materials front and back, and the pressure strip will press on the raw materials to stabilize the position of the raw materials. Automatic limiting is achieved when stacking the raw materials, and no additional manpower is required for limiting operations, which can save labor costs.

[0020] 2. Press the pedal to squeeze the reset spring until the positioning block tilts out of the carrying bottom plate, move the right mounting plate to make it drive the support plate to move, and the support plate drives the L-shaped load-bearing plate on the top guide rod to move, so as to adjust the distance between the two L-shaped load-bearing plates. Release the pedal when it is pulled to the appropriate position, push and pull the right mounting plate left and right, and after the positioning block and the groove are aligned, the reset spring pushes into the groove to fix the position of the right mounting plate, and the raw material plates of different sizes are automatically limited and stacked, thereby increasing the application range of the gravity limit assembly.

[0021] 3. Push the vertical column and the horizontal column on one of the transport base plates into the vertical slot and the horizontal slot on the other transport base plate respectively. Drive the two threaded rods to rotate through the rotating wheel and the meshing bevel gear, so that the two plug-in columns are respectively inserted into the plug-in holes in the vertical column and the horizontal column to complete the connection of the transport base plates. The flexible disassembly and assembly between the transport base plates can transport plates of different sizes together. After arriving at the place of use, the transport base plate carrying the plates used in the place can be disassembled and left in the use position, reducing the number of back and forth transportation, saving time and cost.

[0022] 4. Use the elastic card plate to install the camera and display screen on the hanging rod 1 and hanging rod 2 at the appropriate position. The camera will shoot the picture in front of the transport device and display it on the display screen, which is convenient for the staff to observe the road conditions ahead, avoid the transport device from colliding with obstacles, protect the safety of the cart and goods, and ensure the safety and smoothness of the cart's driving. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the present invention;

[0024] Figure 2 for Figure 1 Bottom view of

[0025] Figure 3 for Figure 1 The enlarged schematic diagram of the middle A part;

[0026] Figure 4 It is a partial internal cross-sectional view of the gravity limit assembly in the present invention;

[0027] Figure 5 for Figure 4 The enlarged diagram of the middle B part;

[0028] Figure 6 for Figure 4 The enlarged schematic diagram of the middle C part;

[0029] Figure 7 for Figure 4 The enlarged schematic diagram of the middle D part;

[0030] Figure 8 It is a schematic diagram of the disassembly of the gravity limit assembly in the present invention;

[0031] Fig. 9 This is the rear view of the gravity limit assembly after disassembly;

[0032] Fig.10 for Fig. 9 Enlarged schematic diagram of part E in the middle.

[0033] The numbers in the figure represent:

[0034] 1. Carrying bottom plate; 2. Gravity limiter assembly; 21. Left mounting plate; 22. Guide rod; 23. Right mounting plate; 24. L-shaped load-bearing plate; 25. Adjustment frame; 26. Fixing rod; 27. Power spring; 28. Through groove; 29. ​​Slide groove; 210. Mounting shell; 211. Slide plate; 212. Spring; 213. Anti-shift block; 214. Vertical groove; 215. Pressure strip; 216. Top pressure plate; 217. Connecting rod; 218. Support plate; 219. Rotating plate; 220. Pull-out plate; 221. Groove; 2 22. Positioning block; 223. Support rod; 224. Pedal; 225. Return spring; 3. Inner cavity; 4. Increase and decrease components; 41. Threaded rod; 42. Horizontal column; 43. Vertical column; 44. Plug-in column; 45. Bevel gear; 46. Rotating wheel; 47. Plug-in hole; 48. Hanging rod one; 49. Vertical plate; 410. Hanging rod two; 411. Elastic card plate; 412. Camera; 413. Display screen; 5. Horizontal slot; 6. Vertical slot; 7. Universal wheel; 8. Steering wheel; 9. Square slot; 10. Pull-out slot. DETAILED DESCRIPTION

[0035] The above and other technical features and advantages of the present invention are described in more detail below in conjunction with the accompanying drawings.

[0036] This embodiment provides a technical solution: a material handling device for a bus duct workshop, such as Figure 1 , Figure 2 and Figure 4 As shown, it includes a transport base plate 1, a gravity limit component 2 and an increase / decrease component 4. Figure 1 The transport device shown is composed of a plurality of transport base plates 1 connected side by side, and the structural composition on each transport base plate 1 is the same. The following content is mainly described by one transport base plate 1. The gravity limit assembly 2 is arranged above the transport base plate 1. The gravity limit assembly 2 includes a bearing member and a drawer. The bearing member is used to support the bus duct material in layers, and the drawer is used to change the bearing size of the bearing member.

[0037] like Figure 4-10As shown, the bearing member includes a left mounting plate 21 fixed to the top of the transport base plate 1, a guide rod 22 fixed to the top of the transport base plate 1, a right mounting plate 23 arranged on one side of the left mounting plate 21, and a plurality of L-shaped load-bearing plates 24. A plurality of position adjustment frames 25 are rotatably mounted on the side opposite to the left mounting plate 21 and the right mounting plate 23, and the number of the position adjustment frames 25 is set according to the weight of the raw materials that each transport base plate 1 can bear. The position adjustment frames 25 are evenly distributed up and down, and a fixing rod 26 is fixed between the two ends of the position adjustment frames 25. A plurality of strong springs 27 are fixed under the positioning frame 25. One end of the strong spring 27 under the positioning frame 25 on the left mounting plate 21 is fixed to the left mounting plate 21, and one end of the strong spring 27 under the positioning frame 25 on the right mounting plate 23 is fixed to the right mounting plate 23. There are two L-shaped load-bearing plates 24 between the two oppositely arranged positioning frames 25, and the two L-shaped load-bearing plates 24 located on the same horizontal plane are arranged in reverse symmetry. A through groove 28 is opened inside the L-shaped load-bearing plate 24, such as Figure 8 As shown, according to the setting direction of two L-shaped load-bearing plates 24 located on the same horizontal plane, the two through slots 28 are respectively close to two fixed rods 26 arranged opposite to each other on the left and right, and the fixed rods 26 are inserted into the through slots 28, and the mounting shell 210 and the slide rail plate 211 are fixed below the L-shaped load-bearing plates 24;

[0038] like Figure 4-10 As shown, a spring 212 is fixed inside the mounting shell 210. When the spring 212 is at its original length, the anti-movement block 213 is outside the mounting shell 210. The anti-movement block 213 is slidable inside the mounting shell 210. The front side of the anti-movement block 213 is an inclined surface, which is convenient for the anti-movement block 213 to slide upward into the mounting shell 210 when it is pushed. A vertical groove 214 is provided on the back of the mounting shell 210, and a pressure strip 215 is slidable inside the vertical groove 214. Soft pads are bonded under the pressure strip 215, on the outer surface of the anti-movement block 213, on the upper surface of the L-shaped load-bearing plate 24, and on the inner side of the adjustment frame 25 to prevent scratches on the surface of the raw material plate and improve the quality assurance during the handling of the raw materials. The top of the left mounting plate 21 and the top of the right mounting plate 23 are both hinged with a top pressure plate 216, as shown in FIG. Figure 4 As shown, the top pressure plate 216 is shown in its position after being lifted up, and an inverted U-shaped pressure plate is arranged below the two top pressure plates 216, and a soft cushion layer is arranged below the inverted U-shaped pressure plate to limit the top raw material plate and protect it at the same time, one end of the pressure strip 215 is fixedly connected to the back of the anti-shifting block 213, and the other end of the pressure strip 215 slides inside the slide rail plate 211, and the pressure strip 215 is adjusted in position as the anti-shifting block 213 is raised and lowered. After the raw material plate is placed on one of the L-shaped load-bearing plates 24, the pressure strip 215 under the L-shaped load-bearing plate 24 is pressed on the raw material below it, and the anti-shifting block 213 and the slide rail plate 211 respectively block the front and rear of the raw material plate to automatically limit the raw material.

[0039] like Figure 4-10 As shown, the drawer includes a slide groove 29 opened inside the L-shaped load-bearing plate 24, a connecting rod 217 sliding inside the slide groove 29, a support plate 218 fixed to the bottom of the right mounting plate 23, and a rotating plate 219 arranged above the transport base plate 1. The connecting rods 217 in the two L-shaped load-bearing plates 24 located in the same horizontal plane are respectively fixed on the other L-shaped load-bearing plates 24. When sliding occurs between the two L-shaped load-bearing plates 24, the connecting rod 217 is used to maintain the stability between the two L-shaped load-bearing plates 24. A drawer plate 220 is fixed on one side of the support plate 218, and a drawer groove 10 is opened on one side of the transport base plate 1. The pull-out plate 220 is slidably arranged inside the pull-out groove 10. A plurality of grooves 221 are provided on the top of the pull-out plate 220. A positioning block 222 is fixed under the rotating plate 219. When each groove 221 corresponds to the positioning block 222, they correspond to a different transport size. Support rods 223 are fixed on both sides of the rotating plate 219. A pedal 224 is rotated between the opposite sides of the two support rods 223. A return spring 225 is fixed under the pedal 224. When there is no external force on the return spring 225, the rotating plate 219 is placed flat on the transport bottom plate 1, and the positioning block 222 is in the pull-out groove 10.

[0040] like Figure 4 and Figure 7 As shown, an inner cavity 3 is provided inside the transport base plate 1 and inside the left mounting plate 21, and the two inner cavities 3 are connected to form an L-shape, and an increase / decrease component 4 is provided between the two inner cavities 3. The increase / decrease component 4 includes a connector and a visual component. The connector is used to connect the two transport base plates 1. The transport base plates 1 can be connected or disconnected to freely increase or decrease the transport quantity of the bus duct materials. The visual component is used to monitor the road condition in front of the transport base plates 1 connected side by side to prevent accidents caused by blocking the road condition in front when the transport base plates 1 are side by side.

[0041] like Figure 2 , Figure 3 , Figure 4 and Figure 7As shown, the connector includes threaded rods 41 respectively rotating inside the two inner cavities 3, a horizontal column 42 fixed to the back of the transport base plate 1, and a vertical column 43 fixed to the back of the left mounting plate 21. The two threaded rods 41 in the two inner cavities 3 are vertically arranged, and the outer surfaces of the two threaded rods 41 are threadedly connected with plug-in columns 44. The plug-in columns 44 are limited by the inner wall of the inner cavity 3 so that they can move along the direction of the threaded rods 41 when the threaded rods 41 rotate, and the outer surfaces of the two threaded rods 41 are fixed with bevel gears 45, and the two bevel gears 45 are meshed with each other to realize transmission. One end of one of the threaded rods 41 passes through the transport base plate 1 and extends to one side of the transport base plate 1, and is rotatably connected at the penetration point. A rotating wheel 46 is fixed to the end of the threaded rod 41 extending to one side of the transport base plate 1, and plug-in holes 47 are opened inside the horizontal column 42 and the vertical column 43, and the size of the plug-in holes 47 is adapted to the plug-in columns 44.

[0042] like Figure 2 , Figure 3 , Figure 4 and Figure 7 As shown, the visible parts include a hanging rod 48 fixed to one side of the right mounting plate 23 and a vertical plate 49 fixed above one of the top pressure plates 216, a hanging rod 410 is fixed to one side of the vertical plate 49, the hanging rod 410 and the hanging rod 410 are of the same shape and function, the outside of the hanging rod 48 and the outside of the hanging rod 410 are provided with elastic card plates 411, and a camera 412 and a display screen 413 are fixed to one side of the two elastic card plates 411 respectively, the elastic card plates 411 are inserted into the hanging rod 48 or the hanging rod 410 from top to bottom, can fix the camera 412 and the display screen 413, and can realize the rapid replacement of the camera 412 and the display screen 413, and choose to install the camera 412 and the display screen 413 on a certain transport base plate 1 near the middle position to monitor the road condition.

[0043] like Figure 2 , Figure 3 , Figure 4 , Figure 6 and Figure 7 As shown, a transverse slot 5 is provided on the front of the transport base plate 1, and a vertical slot 6 is provided on the front of the left mounting plate 21. The size of the transverse slot 5 is matched with the size of the transverse column 42, and the size of the vertical slot 6 is matched with the size of the vertical column 43. Four universal wheels 7 are fixed at the bottom of the transport base plate 1, a steering wheel 8 is fixed at the bottom of the support plate 218, and a handle is fixed on one side of the left mounting plate 21, so as to conveniently control the pushing direction of the transport base plate 1. A square slot 9 is provided on the top of the transport base plate 1, and one end of the return spring 225 is fixed inside the square slot 9. The rotating plate 219 is rotated between the two sides of the inner wall of the square slot 9 through a rotating rod.

[0044] When in use, according to the raw material plate to be transported, step on the pedal 224, the pedal 224 squeezes the return spring 225 and tilts the rotating plate 219 until the positioning block 222 tilts out of the transport base plate 1, and the right mounting plate 23 is moved. The right mounting plate 23 will drive the pull-out plate 220, the guide rod 22 on the support plate 218 and the adjustment frame 25 connected to the right mounting plate 23 to move under the rolling of the steering wheel 8. The moving guide rod 22 drives the L-shaped load-bearing plate 24 connected to it to move, and the distance between the two L-shaped load-bearing plates 24 is adjusted. Next, keep the two L-shaped load-bearing plates 24 in a stable state at all times. When they are pulled to the appropriate position, release the pedal 224. The elastic force of the return spring 225 will push the pedal 224 upward, thereby pushing the rotating plate 219 and the positioning block 222. Continue to push and pull the right mounting plate 23 left and right to help the positioning block 222 and the groove 221 to align. When aligned, the positioning block 222 automatically snaps into the groove 221 to fix the position of the pull-out plate 220 and the right mounting plate 23. Raw material plates of different sizes can be limited and stacked, increasing the scope of application of the gravity limit assembly 2.

[0045] In order from bottom to top, place the raw material plates one by one on the corresponding L-shaped load-bearing plates 24, push the raw material plates between the upper and lower L-shaped load-bearing plates 24, the raw material plates will push the anti-movement block 213 upward along the inclined surface of the anti-movement block 213 into the mounting shell 210 to squeeze the spring 212, and the anti-movement block 213 will drive the pressure strip 215 to move upward together until the raw material plate moves to the space behind the mounting shell 210 blocked by the slide rail plate 211, and the L-shaped load-bearing plate 24 is pressed down under the weight of the raw material plate itself, and the L-shaped load-bearing plate 24 will press the adjustment frame 25 down through the fixing rod 26, and under the guiding action of the guide rod 22, the vertical lifting of the L-shaped load-bearing plate 24 is maintained, and the adjustment frame 25 squeezes the strong spring 27 and rotates slightly downward, and the plates continue to be stacked on the L-shaped load-bearing plate 24 above the raw material plate, and the L-shaped load-bearing plate 24 is pressed down by the weight of the plates. The mounting shell 210, the slide plate 211 and the pressure strip 215 below it are pushed downward, and the anti-shift block 213 and the slide plate 211 are used to limit the raw material plate front and back, and the pressure strip 215 is pressed on the raw material plate to prevent the raw material plate from being damaged by bumps during transportation. When stacking the plates layer by layer, the plates can be automatically limited layer by layer without additional manpower for limiting operations, saving manpower costs. When placing the plates on the top L-shaped load-bearing plate 24, the two top pressure plates 216 and the inverted U-shaped pressure plates are used to limit the plates. When taking the plates, take them out from top to bottom. When one is taken out, the strong spring 27 pushes the adjusting frame 25 upward, and the adjusting frame 25 pushes the L-shaped load-bearing plate 24 upward through the fixing rod 26, releasing the limit on the lower plate, and the L-shaped load-bearing plate 24 is lightly lifted upward to take out the plate.

[0046] After the two transport base plates 1 are aligned, the vertical column 43 and the horizontal column 42 on one of the transport base plates 1 are pushed into the vertical slots 6 and the horizontal slots 5 on the other transport base plate 1 respectively, and then one of the threaded rods 41 is rotated by rotating the rotating wheel 46 at the corresponding position. The threaded rod 41 drives the other threaded rod 41 to rotate through the two meshing bevel gears 45. The two threaded rods 41 rotate to make the two plug-in columns 44 respectively inserted into the plug-in holes 47 in the vertical column 43 and the horizontal column 42, thereby completing the connection of the transport base plates 1. Plates of different sizes can be transported together. After arriving at the place of use, the transport base plate 1 carrying the plates used at the place can be disassembled and left at the use location, thereby reducing the number of back and forth transportation and saving time and cost.

[0047] If a large number of transport base plates 1 are spliced ​​together and a large area in front of the transport device is blocked, the scene in front of the transport device can be photographed by the camera 412 and displayed on the display screen 413. According to the number of connections of the transport base plates 1, the camera 412 is mounted on the hanging rod 1 48 in the middle or near the middle position through the elastic card plate 411 to facilitate the centering of the blocked road conditions, and the display screen 413 is mounted on the hanging rod 2 410 at a suitable position through the elastic card plate 411, so as to facilitate the staff to observe the road conditions ahead and prevent them from hitting the squatting people in front, avoid the transport device from colliding with obstacles, protect the safety of the cart and goods, and ensure the safety and smoothness of the cart's driving.

[0048] The above are only preferred embodiments of the present invention, which are only illustrative and not restrictive. Those skilled in the art understand that many changes, modifications, and even equivalences may be made to the present invention within the spirit and scope defined by the claims, but all of them will fall within the scope of protection of the present invention.

Claims

1. A material handling device for a bus duct workshop, characterized in that: include: Carrying base plate (1); A gravity limiter assembly (2), the gravity limiter assembly (2) being arranged above the transport base plate (1), the gravity limiter assembly (2) comprising a bearing member and a drawer, the bearing member being used to support the bus duct material in layers, and the drawer being used to change the bearing size of the bearing member; The bearing member comprises a left mounting plate (21) fixed to the top of the transport base plate (1), a guide rod (22) fixed to the top of the transport base plate (1), a right mounting plate (23) arranged on one side of the left mounting plate (21) and a plurality of L-shaped load-bearing plates (24); a plurality of position adjustment frames (25) are rotatably mounted on the side of the left mounting plate (21) opposite to the right mounting plate (23); a fixing rod (26) is fixed between the two ends of the position adjustment frame (25); a plurality of strong springs (27) are fixed below the position adjustment frame (25); a through groove (28) is provided inside the L-shaped load-bearing plate (24); the fixing rod (26) is inserted into the through groove (28); A mounting shell (210) and a slide rail plate (211) are fixed below the L-shaped load-bearing plate (24); a spring (212) is fixed inside the mounting shell (210); an anti-movement block (213) slides inside the mounting shell (210); a vertical groove (214) is provided on the back of the mounting shell (210); a pressure strip (215) slides inside the vertical groove (214); a top pressure plate (216) is hingedly connected to the top of the left mounting plate (21) and the top of the right mounting plate (23); one end of the pressure strip (215) is fixedly connected to the back of the anti-movement block (213); and the other end of the pressure strip (215) slides inside the slide rail plate (211).

2. A material handling device for a bus duct workshop as claimed in claim 1, characterized in that: The pull-out member comprises a slide groove (29) provided inside the L-shaped load-bearing plate (24), a connecting rod (217) sliding inside the slide groove (29), a support plate (218) fixed to the bottom of the right mounting plate (23), and a rotating plate (219) arranged above the carrying bottom plate (1), a pull-out plate (220) is fixed on one side of the support plate (218), a plurality of grooves (221) are provided on the top of the pull-out plate (220), a positioning block (222) is fixed below the rotating plate (219), support rods (223) are fixed on both sides of the rotating plate (219), a pedal (224) is rotated between opposite sides of the two support rods (223), and a return spring (225) is fixed below the pedal (224).

3. A material handling device for a bus duct workshop as claimed in claim 1, characterized in that: An inner cavity (3) is provided inside the transport bottom plate (1) and inside the left mounting plate (21), and the two inner cavities (3) are connected, forming an L-shape between the two inner cavities (3).

4. A material handling device for a bus duct workshop as claimed in claim 3, characterized in that: An increasing / decreasing component (4) is arranged between the interiors of the two inner chambers (3), and the increasing / decreasing component (4) comprises a plug-in component and a visual component, wherein the plug-in component is used to connect the two transport base plates (1), and the visual component is used to monitor the road conditions in front of the transport base plates (1) connected side by side.

5. A material handling device for a bus duct workshop as claimed in claim 4, characterized in that: The connector comprises threaded rods (41) respectively rotating inside the two inner cavities (3), a transverse column (42) fixed to the back of the transport base plate (1), and a vertical column (43) fixed to the back of the left mounting plate (21). The outer surfaces of the two threaded rods (41) are threadedly connected with plug-in columns (44), and the outer surfaces of the two threaded rods (41) are fixed with bevel gears (45). The two bevel gears (45) are meshed with each other. One end of one of the threaded rods (41) passes through the transport base plate (1) and extends to one side of the transport base plate (1). A rotating wheel (46) is fixed to the end of the threaded rod (41) extending to one side of the transport base plate (1). The transverse column (42) and the vertical column (43) are both provided with plug-in holes (47).

6. A material handling device for a bus duct workshop as claimed in claim 4, characterized in that: The visual component comprises a hanging rod (48) fixed to one side of the right mounting plate (23) and a vertical plate (49) fixed above one of the top pressure plates (216); a hanging rod (410) is fixed to one side of the vertical plate (49); an elastic card plate (411) is provided on the outside of the hanging rod (48) and the outside of the hanging rod (410); a camera (412) and a display screen (413) are respectively fixed to one side of the two elastic card plates (411).

7. The material handling device for a bus duct workshop according to claim 1, characterized in that: A transverse slot (5) is provided on the front of the transport base plate (1), and a vertical slot (6) is provided on the front of the left mounting plate (21).

8. The material handling device for a bus duct workshop according to claim 2, characterized in that: Four universal wheels (7) are fixed below the transport base plate (1), and a steering wheel (8) is fixed at the bottom of the support plate (218).

9. A material handling device for a bus duct workshop as claimed in claim 2, characterized in that: A square groove (9) is provided above the transport base plate (1), one end of the return spring (225) is fixed inside the square groove (9), and the rotating plate (219) is rotated between the two sides of the inner wall of the square groove (9) through a rotating rod.

10. The material handling device for a bus duct workshop according to claim 2, characterized in that: A draw-out groove (10) is provided on one side of the transport bottom plate (1), and the draw-out plate (220) is slidably arranged inside the draw-out groove (10).

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