CN108423045B - A transport trolley for small auto parts - Google Patents

Abstract

The invention discloses a transport trolley for small auto parts, comprising a cart frame, the cart frame is composed of a basic rectangular base, a driving wheel, a universal wheel and a pusher, and the pusher is composed of a lower pusher frame, It is composed of a push-up handle, a push rod and an arch-shaped connecting frame. There are vertical support columns on both sides above the front end of the basic rectangular base, and the top ends are respectively hinged with vertical support frames. The vertical support frames on both sides and the push-up handle There is a placement panel between the racks, and the inner cavity of the placement panel is provided with a manual position adjustment device, which is composed of a long positioning slot, a return spring, a positioning pin, a circular through slot, a fixed bearing, a rotating shaft, and a reel. , torsion spring, steel wire and small turret. The beneficial effects of the invention are that the structure is simple and the practicability is strong.

Description

A transport trolley for small auto parts

technical field

The invention relates to the field of auto parts, in particular to a small-sized auto parts transfer trolley.

Background technique

There are thousands of parts in automobiles. In the production process of auto parts, if only relying on manual labor to transfer the produced parts will not only consume a lot of labor, but also have low work efficiency; in today's auto parts production plants It is common to see a trolley used for the transfer of auto parts. Although this trolley has a simple structure and can also transfer auto parts, the space it can be placed in is limited due to the fixed position of the panel. Due to the fixed setting of the overall frame, the traditional transfer trolley not only makes its own transfer inconvenient, but also takes up a lot of storage space when it is not in use, so there is a need for a small Auto parts transfer trolley, this kind of trolley is driven by electricity, which greatly reduces the burden on workers. The trolley is assembled as a whole in the way of dismantling movable connection. The manual position adjustment device provided can make the placement panel according to its needs. The size of the transferred parts is adjusted and fixed, thereby greatly improving the utilization rate of the trolley space. When the trolley is not in use, it can be folded into a box shape, which not only facilitates the overall transportation and transfer of the trolley, but also greatly reduces its cost. required storage space.

SUMMARY OF THE INVENTION

The purpose of the present invention is to solve the above problems, and design a small car parts transfer trolley.

The technical solution of the present invention to achieve the above-mentioned purpose is that a small-sized automobile parts transfer trolley includes a cart frame, and the cart frame is composed of a basic rectangular base and driving wheels respectively provided on both sides of the lower part of the front end of the basic rectangular base. , The basic rectangular base is composed of universal wheels provided on both sides under the rear end of the basic rectangular base and a push handle provided at the rear end of the basic rectangular base. The lower pusher frame, the upper pusher frame provided above the lower pusher frame, the push rods hinged on both sides of the top of the upper pusher frame, and the arched connecting frame between the upper pusher frame and the rear end face of the lower pusher frame are composed. One end of the arched connecting frame is hinged with the middle of the lower end of the rear side of the push-up handle frame, and the other end is movably arranged. The movable end of the arch-shaped connecting frame is provided with a fixing block and a threaded hole is opened on the fixing block. The middle part of the rear side of the rack and a certain distance from the hinged end of the arched connecting frame is provided with a screw hole 1; A set screw can be screwed into the threaded hole, vertical support columns are arranged on both sides above the front end of the basic rectangular base, and the vertical support column and the upper end of the basic rectangular base are detachably connected. A vertical support frame is hinged on the top of the support column, a vertical through groove is opened in the middle of the corresponding surfaces of the vertical support columns, and a vertical through groove is opened in the middle of the corresponding surface of the vertical support frame. The first vertical through slot and the second vertical through slot are connected to each other, and the inner bottom ends of the first vertical through slot and the second vertical through slot are respectively provided with a plurality of positioning holes at equal distances along the vertical direction. The middle of the front end face of the pusher frame and the upper pusher frame are respectively provided with vertical through grooves 3 that communicate with each other along the vertical direction. The inner bottom ends of the vertical through grooves 3 are respectively equidistantly opened with a number of positioning holes 2, which are located on both sides. There is a placing panel between the vertical support frame and the push-up handle frame, and the inner cavity of the placing panel is provided with a manual position adjustment device, and the manual position adjustment device is composed of the two sides of the front end and the middle part of the rear end of the placing panel. There are long positioning grooves with a certain depth in the inner cavity and corresponding to the vertical through grooves 2 and 3 respectively. The fixed end and the bottom end of the elongated positioning groove are fixedly arranged in the return spring 1 and one end can pass through. The positioning pin whose other end extends from the outer port of the elongated positioning groove and is connected with a telescopic end of the return spring, the circular through groove opened in the inner cavity of the placing panel along the left and right directions, and the circular through groove along its length direction. There are fixed bearings at the inner ends of the sides, a rotating shaft between the fixed bearings, a number of reels sleeved in the middle of the rotating shaft, and torsion rollers along the length of the rotating shaft and located on both sides of the reel. It consists of a spring, a steel wire with one end connected with the connecting end of the positioning pin and the other end connected with the reel, and a small turret provided on the outside of the placing panel and corresponding to the position of the rotating shaft.

The front side of the lower end of the push-up handle frame and the front side of the upper end of the push-down handle frame are hingedly connected, the diameters of the first and second screw holes can be set to be the same as the diameters of the threaded holes respectively, and the set screws can be respectively It is screwed into the first screw hole and the second screw hole through the screw hole.

The length of the screw hole 1 and the screw hole 2 from the hinged end of the arched connection frame and the distance from the threaded hole to the hinged end of the arched connection frame can be set to be equal, and the outside of the set screw can be set. For the cross-shaped turret.

The detachable connection consists of a T-shaped chute of a certain length that is opened above the front end of the basic rectangular base and along the left and right sides of the base, T-shaped sliders and T-shaped sliding blocks respectively provided in the T-shaped chute. The front end of the slider and along the vertical direction are respectively provided with threaded through holes, the inner bottom end of the T-shaped chute and corresponding to the vertical direction of the threaded through holes, there are a number of threaded holes 3 and 3 through the threaded through holes that are screwed into the threaded holes The lower end of the vertical support column is fixedly arranged with the upper end of the T-shaped slider.

A driving component is arranged in the lower middle part of the front end of the basic rectangular base, and the rotating ends on both sides of the basic rectangular base are respectively connected with the driving wheels through transmission shafts. The lower end of the basic rectangular base is provided with a lithium battery and a controller. There is an operation panel on it.

The positioning pins can extend through the positioning holes 1 and 2 respectively, the height of the upper push handle is greater than the height of the lower push handle, and the height of the lower push handle can be set to the height of the vertical support column. In order to be equal, the vertical support frame can be set as a telescopic frame, and the two sides of the upper end of the push-down hand frame can be provided with structures for fixing the position of the vertical support frame. When the placing panel is not in use, it can be freely stacked at a height Less than the height of the push-down hand frame, the vertical support frame rotates in the front-rear direction with its hinged end as the center of the circle.

The number of the reels can be set to three, the steel wire runs through the inner cavity of the placement panel, and the through end of the steel wire can be provided with support pulleys respectively, and one end of the rotating shaft protrudes and is connected with the small rotating shaft. The center end of the frame is connected, and the rotating shaft drives the positioning pin to extend or contract at the same distance through the reel and the steel wire respectively.

A manual position tightening structure is arranged between the vertical support column and the vertical support frame, and the manual position tightening structure is formed by the vertical support column and the front end of the vertical support frame and the middle part of the corresponding position. There are a vertical chute 1 and a vertical chute 2 which are communicated with each other respectively, a return spring 2 provided at the inner bottom end of the vertical chute 1, and one end is connected with the retractable end of the return spring 2, and the other end can be inserted into the vertical chute. It is composed of the long positioning column of the second chute.

The push rod can be rotated in a circle along its hinged end, and the length of the push rod is slightly larger than the height of the push-down handle.

The front end wall of the basic rectangular base may be provided with a structure for securing the position of the push rod, and the placement panel may be evenly provided with a plurality of grooves for placing small automobile parts.

Using the technical solution of the present invention to manufacture a small car parts transfer car, the car is driven by electricity, which greatly reduces the burden on workers. The position adjustment device can make the placement panel adjust and fix the position according to the size of the parts to be transferred, thereby greatly improving the utilization rate of the trolley space. When the trolley is not in use, it can be folded into a box shape, which is not only convenient for the trolley The overall handling and transfer, but also greatly reduces the space required for storage.

Description of drawings

1 is a schematic diagram of the overall structure of the present invention for a small automobile parts transfer trolley;

2 is a schematic diagram of a detachable connection structure according to the present invention;

Fig. 3 is the positional structure schematic diagram of the arched connecting frame of the present invention;

4 is a schematic structural diagram of the manual position adjustment device according to the present invention;

5 is a schematic plan view of the manual position fastening structure according to the present invention;

In the figure, in the figure, 1, the cart frame; 2, the basic rectangular base; 3, the driving wheel; 4, the universal wheel; 5, the push handle; 6, the lower push handle frame; 7, the upper push handle frame; 8, the push rod; 9. Arched connection frame; 10. Fixed block; 11. Threaded hole; 12. Screw hole 1; 13. Screw hole 2; 14. Set screw; 15. Vertical support column; 16. Detachable connection; 17 , vertical support frame; 18, vertical channel one; 19, vertical channel two; 20, positioning hole one; 21, vertical channel three; 22, positioning hole two; 23, placing panel; 24, manual Position adjustment device; 25, long positioning groove; 26, return spring one; 27, positioning pin; 28, circular through groove; 29, fixed bearing; 30, rotating shaft; 31, reel; 32, torsion spring; 33, steel wire; 34, small turret; 35, cross-shaped turret; 36, T-shaped chute; 37, T-shaped slider; 38, threaded through hole; 39, screw hole three; 40, fastening bolt; 41. Manual position fastening structure; 42. Vertical chute 1; 43. Vertical chute 2; 44. Return spring 2; 45. Long positioning column.

Detailed ways

The present invention will be described in detail below with reference to the accompanying drawings. As shown in Figures 1-5, a small automobile parts transfer trolley includes a cart frame 1, which is composed of a basic rectangular base 2, a basic rectangular The base 2 is composed of a drive wheel 3 provided on both sides at the bottom of the front end of the base 2, a universal wheel 4 provided on both sides at the bottom of the rear end of the basic rectangular base 2, and a push handle 5 provided at the rear end of the base rectangular base 2. The push handle 5 is composed of The lower pusher frame 6 fixedly provided on the upper end of the rear side of the basic rectangular base 2 and along its left and right width directions, the upper pusher frame 7 provided above the lower pusher frame 6, and the push rods hinged on both sides of the top of the upper pusher frame 7 respectively. 8 and the upper push handle frame 7 and the lower push handle frame 6 are provided with an arched connecting frame 9 between the rear end faces. Arrangement, the movable end of the arched connecting frame 9 is provided with a fixing block 10 and the fixing block 10 is provided with a threaded hole 11, the middle of the rear side of the push-down handle 6 is a certain distance from the hinged end of the arched connecting frame 9 A screw hole 12 is opened at a distance, and a screw hole 2 13 is opened in the middle of the rear side of the push-up handle 7 and at a certain distance from the hinge end of the arched connecting frame 9, and a set screw 14 can be screwed into the threaded hole 11. There are vertical support columns 15 on both sides above the front end of the basic rectangular base 2 and a detachable connection 16 between the vertical support columns 15 and the upper end of the basic rectangular base 2. The top of the vertical support column 15 A vertical support frame 17 is hinged respectively. The vertical support columns 15 are respectively provided with vertical through grooves 18 in the middle of the corresponding surfaces. The vertical support frames 17 are respectively provided with vertical through grooves 19 in the middle of the corresponding surfaces. , the vertical through-slot 1 18 and the vertical through-slot 2 19 communicate with each other, and the inner bottom ends of the vertical through-slot 1 18 and the vertical through-slot 2 19 are equally spaced along the vertical direction. Hole one 20, the middle part of the front end face of the lower push handle frame 6 and the upper push handle frame 7 and along the vertical direction are respectively opened with vertical through grooves 21 that communicate with each other, and the inner bottom ends of the vertical through grooves 21 are equidistant respectively. A number of positioning holes 22 are evenly opened, and a placement panel 23 is provided between the vertical support frame 17 on both sides and the push-up handle frame 7 , and a manual position adjustment device 24 is provided in the inner cavity of the placement panel 23 . The manual position adjusting device 24 is an elongated positioning slot of a certain depth which is opened by the two sides of the front end and the middle cavity of the rear end of the placing panel 23 and corresponding to the positions of the vertical through grooves 19 and 21 respectively. 25. The return spring one 26 is fixedly arranged between the fixed end and the inner bottom end of the long positioning groove 25, one end can pass through the outer port of the long positioning groove 25, and the other end is connected to the telescopic end of the return spring one 26. The positioning pin 27, the The circular through groove 28 opened in the middle cavity of the placing panel 23 and along the left and right directions, the fixed bearings 29 provided respectively at the inner ends of the circular through grooves 28 on both sides along the length direction, and the rotation between the fixed bearings 29 are provided. The shaft 30, several reels 31 sleeved in the middle of the rotating shaft 30, torsion springs 32 sleeved along the length direction of the rotating shaft 30 and located on both sides of the outside of the reel 31, one end and the positioning pin 2 7. The connecting end is connected to the steel wire 33 connected to the reel 31 at the other end, and the small turret 34 provided on the outside of the placing panel 23 and corresponding to the position of the rotating shaft 30 is formed; The upper and front sides of the push-down handle 6 are hinged. The diameters of the first screw holes 12 and the second screw holes 13 can be set to be the same as the diameters of the screw holes 11 respectively, and the set screws 14 can pass through the screw holes 11 respectively. Screw into the screw hole one 12 and screw hole two 13; the screw hole one 12 and screw hole two 13 are respectively the distance from the hinge end of the arched connecting frame 9 and the distance from the screw hole 11 to the arched The distance between the hinge ends of the connecting frame 9 can be set to be equal, and the outside of the set screw 14 can be set as a cross-shaped turret 35; There are T-shaped sliding grooves 36 with a certain length on both sides respectively, T-shaped sliding blocks 37 and T-shaped sliding blocks 37 are respectively provided in the T-shaped sliding grooves 36 and the front ends of the T-shaped sliding blocks 37 are respectively provided with threaded through holes 38, The inner bottom end of the T-shaped chute 36 and corresponding to the vertical direction of the threaded through hole 38 are respectively formed with a plurality of screw holes 39 equidistantly and evenly opened, and a fastening bolt 40 screwed into the screw hole 39 through the threaded through hole 38 is composed. The lower end of the vertical support column 15 and the upper end of the T-shaped sliding block 37 are fixedly arranged; the lower and middle part of the front end of the basic rectangular base 2 is provided with a driving component, and the rotating ends on both sides thereof are respectively connected with the driving wheel 3 through the transmission shaft, so The lower end of the basic rectangular base 2 is provided with a lithium battery and a controller, and an operation panel is provided on the rear end surface of the push-up handle 7; The height of the upper push handle frame 7 is greater than the height of the lower push handle frame 6 , the height of the lower push handle frame 6 can be set equal to the height of the vertical support column 15 , and the vertical support frame 17 can be set as a telescopic frame , the two sides of the upper end of the push-down handle 6 can be provided with a structure for fixing the position of the vertical support frame 17. When the placing panel 23 is not in use, the free stacking height is smaller than the height of the push-down handle 6, and the The vertical support frame 17 rotates in the front-rear direction with its hinged end as the center; the number of the reels 31 can be set to three, the steel wire 33 penetrates the inner cavity of the placing panel 23, and the steel wire 33 penetrates the end Support pulleys can be respectively provided, one end of the rotating shaft 30 extends out and is connected to the central end of the small turret 34, and the rotating shaft 30 drives the positioning pin 27 to extend through the reel 31 and the steel wire 33 respectively. Or the shrinking distance is always the same; a manual position fastening structure 41 is provided between the vertical support column 15 and the vertical support frame 17 , and the manual position tightening structure 41 is formed by the vertical support column 15 A vertical chute 1 42 and a vertical chute 2 43 are respectively opened on the front end surface of the vertical support frame 17 and corresponding to each other in the middle part, and a return spring 244 is provided at the bottom end of the vertical chute 1 42. One end is connected with the telescopic end of the second return spring 44 and the other end can be inserted into the long positioning column 45 of the second vertical chute 43; the push rod 8 can be along the Its hinged end is rotated in a circle, and the length of the push rod 8 is slightly greater than the height of the push-down handle 6; the front end wall of the basic rectangular base 2 may be provided with a structure for the position of the push rod 8 to be fastened. The panel 23 may evenly be provided with several grooves for placing small automobile parts.

The characteristics of the present invention are that a small automobile parts transfer trolley includes a cart frame, and the cart frame is composed of a basic rectangular base, a driving wheel provided on both sides of the lower part of the front end of the basic rectangular base, and a rear end of the basic rectangular base. The universal wheels provided on both sides of the lower part and the push handle provided at the rear end of the basic rectangular base are composed of the push handle. Some push-up racks, push rods hinged on both sides of the top of the push-up rack, and arch-shaped connecting racks provided between the rear end faces of the upper push-hand rack and the lower push-hand rack, one end of the arch-shaped connecting rack is connected to the rear side of the push-up rack. The middle part of the lower end is hinged, and the other end is movably arranged; the movable end of the arch-shaped connecting frame is provided with a fixing block and the fixing block is provided with a threaded hole; There are two screw holes in the middle of the rear side of the push-up handle and a certain distance from the hinge end of the arched connection frame. The screw holes can be screwed into the screw holes. There are vertical support columns on both sides above the front end of the basic rectangular base and the vertical support columns It is detachably connected with the upper end of the basic rectangular base. The top of the vertical support column is hinged with a vertical support frame. The vertical support columns are respectively provided with a vertical through groove in the middle of the corresponding surface, and the vertical support frames correspond to each other in the middle of the surface. There are two vertical through grooves respectively, the first vertical through groove and the second vertical through groove are connected to each other, and the inner bottom ends of the first vertical through groove and the second vertical through groove are uniformly opened with several positions along the vertical direction. Hole 1, the middle of the front end face of the lower pusher and the upper pusher frame and along the vertical direction are respectively opened with vertical through grooves 3 that communicate with each other, and the inner bottom ends of the third vertical through grooves are respectively equidistantly opened with several positioning holes. There is a placement panel between the vertical support frame on both sides and the push-up handle frame, and the inner cavity of the placement panel is provided with a manual position adjustment device. There are long positioning grooves of a certain depth in the second and vertical through grooves, the fixed end and the bottom end of the long positioning groove are fixedly arranged. The other end is connected with a locating pin of a retractable end of the return spring, a circular through groove is placed in the inner cavity of the panel and opened along the left and right direction, and the circular through groove is respectively provided along the length direction. A rotating shaft is provided between the fixed bearings, several reels are sleeved in the middle of the rotating shaft, torsion springs are sleeved along the length of the rotating shaft and located on both sides of the reel, one end is connected to the connecting end of the positioning pin, and the other end is connected to the positioning pin. It is composed of a steel wire connected to the reel at one end and a small turret placed on the outside of the panel and corresponding to the position of the rotating shaft. This kind of trolley is driven by electricity, which greatly reduces the burden on workers. For the overall assembly, the manual position adjustment device provided can make the placement panel adjust and fix the position according to the size of the parts to be transferred, thereby greatly improving the utilization rate of the trolley space. When the trolley is not in use, it can be adjusted and fixed. Folding into a box shape not only facilitates the overall handling and transfer of the trolley, but also greatly reduces the space required for storage.

In the present invention, the drive wheel and the universal wheel are provided at the lower end of the basic rectangular base to facilitate the transfer of the equipment. When screwed into the first screw hole, the fixed connection between the upper push handle frame and the lower push handle frame can be realized; when the set screw is screwed through the threaded hole into the second screw hole, the arched connection frame can be used as a handle frame. The vertical support column is detachably fixed in position by screwing the fastening bolts through the threaded through holes into the third screw holes. The top of the vertical support column is hinged with a vertical support frame. The vertical support frame can be rotated in the front and rear directions with its hinged end as the center of the circle. The long positioning column is inserted into the vertical chute 2 to realize the vertical support column and the vertical support frame. fixed connection between. There is a placing panel between the vertical support frame and the push-up handle frame. The small turret can be operated manually to make the rotating shaft rotate, and the rotating shaft drives the reel to rotate. The reel drives the positioning pin to extend through the steel wire and the return spring. Or retracted, the positioning pins can be inserted into the first positioning hole and the second positioning hole respectively, so as to realize the fixation of the position where the panel is placed. When the equipment is not in use, the placement panels are stacked freely, the vertical support frame is rotated and placed horizontally, the push-up handle is rotated and placed horizontally, and the push rod is fixedly connected to the front wall of the basic rectangular base, so that the overall equipment can be placed like a box, which is convenient for handling.

The above technical solutions only represent the preferred technical solutions of the technical solutions of the present invention, and some changes that those skilled in the art may make to some parts of them all reflect the principles of the present invention and fall within the protection scope of the present invention.

Claims (10)

1. A transport trolley for small automobile parts, comprising a cart frame (1), characterized in that, the cart frame (1) is formed by a basic rectangular base (2) and a base rectangular base (2) below the front end. The drive wheels (3) provided on both sides respectively, the universal wheels (4) provided on both sides below the rear end of the basic rectangular base (2), and the pusher (5) provided at the rear end of the basic rectangular base (2) are composed of , the push handle (5) is a lower push handle frame (6) fixed on the upper end of the rear side of the basic rectangular base (2) and along its left and right width directions, and an upper push handle frame provided above the lower push handle frame (6). (7), the push rods (8) hinged on both sides of the top of the upper pusher frame (7), and the arched connecting frame (9) provided between the rear end faces of the upper pusher frame (7) and the lower pusher frame (6). One end of the arched connecting frame (9) is hinged to the middle of the lower end of the rear side of the upper pusher frame (7), and the other end is movably arranged, and the movable end of the arched connecting frame (9) is provided with a fixing block (10). And the fixing block (10) is provided with a threaded hole (11), and a screw hole (12) is opened in the middle of the rear side of the push-down handle (6) at a certain distance from the hinged end of the arched connecting frame (9). ), in the middle of the rear side of the push-up handle (7) and at a certain distance from the hinged end of the arched connecting frame (9), there are two screw holes (13), which can be screwed into the screw holes (11). Screws (14), vertical support columns (15) are provided on both sides above the front end of the basic rectangular base (2), and the vertical support columns (15) and the upper end of the basic rectangular base (2) are detachable A vertical support frame (17) is hinged at the top of the vertical support column (15), respectively, and a vertical through slot (18) is respectively opened in the middle of the corresponding surface of the vertical support column (15). ), two vertical through grooves (19) are respectively opened in the middle of the corresponding surfaces of the vertical support frames (17), and the first vertical through groove (18) and the second vertical through groove (19) are communicated with each other, so The first vertical through slot (18) and the second vertical through slot (19) are provided with a number of positioning holes (20) at the inner bottom ends and equidistant along the vertical direction, respectively. The middle part of the front end surface of the push handle frame (7) and along the vertical direction are respectively provided with three vertical through grooves (21) that communicate with each other, and the inner bottom ends of the three vertical through grooves (21) are respectively provided with a number of positioning holes at equal distances. Two (22), a placement panel (23) is provided between the vertical support frame (17) located on both sides and the upper push handle frame (7), and the inner cavity of the placement panel (23) is provided with a manual position adjustment device (24), the manual position adjustment device (24) is composed of two sides of the front end of the placing panel (23) and the inner cavity of the middle of the rear end corresponding to the second vertical through slot (19) and the third vertical through slot respectively. (21) A long positioning groove (25) with a certain depth is opened at the position, a return spring (26) is fixedly arranged at the inner bottom end of the fixed end and the long positioning groove (25), and one end can pass through the long positioning groove (26). 25) The positioning pin (27) whose other end extends from the outer port and is connected to the telescopic end of the return spring (26), is placed in the placement panel (23) A circular through groove (28) opened in the left and right directions in the inner cavity, a fixed bearing (29) respectively provided at the inner ends of the circular through groove (28) on both sides along its length direction, and a fixed bearing (29) is provided between the fixed bearings (29). There are rotating shafts (30), several reeling wheels (31) sleeved in the middle of the rotating shaft (30), torsion coils (31) sleeved along the length direction of the rotating shaft (30) and located on both sides of the reeling wheel (31) respectively. A spring (32), a wire (33) whose one end is connected to the connecting end of the positioning pin (27) and the other end is connected to the reel (31), and the outer side of the placing panel (23) and corresponding to the position of the rotating shaft (30) are provided with It consists of a small turret (34). 2 . The transport trolley for small auto parts according to claim 1 , wherein the front side of the lower end of the upper push handle frame ( 7 ) and the front side of the upper end of the lower push handle frame ( 6 ) are hingedly connected. 3 . , the diameter of the first screw hole (12) and the second screw hole (13) can be set to be the same as the diameter of the screw hole (11), respectively, and the set screw (14) can pass through the screw hole (11) respectively. Screw into the screw hole one (12) and screw hole two (13). 3. The transport trolley for small automobile parts according to claim 1, wherein the first screw hole (12) and the second screw hole (13) are respectively distanced from the arched connecting frame (9) The distance between the hinged end and the distance between the threaded hole (11) and the hinged end of the arched connecting frame (9) can be set to be equal, and the outside of the set screw (14) can be set as a cross-shaped turret (35) . 4. The transport trolley for small auto parts according to claim 1, characterized in that the detachable connection (16) is formed above the front end of the basic rectangular base (2) and along its left-right direction There are T-shaped sliding grooves (36) of a certain length on both sides, and the front ends of the T-shaped sliding blocks (37) and the T-shaped sliding blocks (37) respectively provided in the T-shaped sliding grooves (36) are in the vertical direction. There are respectively a threaded through hole (38), the inner bottom end of the T-shaped chute (36), and a number of threaded holes (39) and through-threaded through holes ( 38) It consists of fastening bolts (40) screwed into the third screw holes (39), and the lower end of the vertical support column (15) is fixedly arranged with the upper end of the T-shaped slider (37). 5 . The transport trolley for small auto parts according to claim 1 , characterized in that, a drive assembly is provided in the lower middle part of the front end of the basic rectangular base ( 2 ), and the rotating ends on both sides of the base rectangular base ( 2 ) are respectively connected with each other through a transmission shaft. The driving wheel (3) is connected, the lower end of the basic rectangular base (2) is provided with a lithium battery and a controller, and an operation panel is provided on the rear end surface of the push-up handle (7). 6. The transport trolley for small auto parts according to claim 1, wherein the positioning pin (27) can extend through the positioning hole one (20) and the positioning hole two (22) respectively. The height of the upper push handle frame (7) is greater than the height of the lower push handle frame (6), and the height of the lower push handle frame (6) can be set equal to the height of the vertical support column (15). The vertical support frame (17) can be set as a telescopic frame, and both sides of the upper end of the push-down hand frame (6) can be provided with structures for fixing the position of the vertical support frame (17). When the placement panel (23) When not in use, the free stacking height is smaller than the height of the push-down handle frame (6), and the vertical support frame (17) rotates in the front-rear direction with its hinged end as the center of the circle. 7 . The transport trolley for small automobile parts according to claim 1 , wherein the number of the reeling wheels ( 31 ) can be set to three, and the steel wire ( 33 ) runs through the placing panel. 8 . (23) Inner cavity, and the through end of the steel wire (33) can be respectively provided with support pulleys, one end of the rotating shaft (30) extends and is connected with the central end of the small turret (34), the rotating shaft (30) The shaft (30) drives the positioning pin (27) through the reel (31) and the steel wire (33), respectively, to keep the outward extension or retraction distance consistent. 8 . The transport trolley for small auto parts according to claim 1 , characterized in that a manual position tensioner is provided between the vertical support column ( 15 ) and the vertical support frame ( 17 ). 9 . A fixing structure (41), the manual position fixing structure (41) is formed by the vertical support column (15) and the vertical support frame (17) on the front end surfaces and in the middle of the corresponding positions respectively. Straight chute one (42) and vertical chute two (43), return spring two (44) provided at the inner bottom end of vertical chute one (42), and one end is connected with the telescopic end of return spring two (44) and the other One end of which can be inserted into the two vertical sliding grooves (43) is composed of an elongated positioning column (45). 9 . The transport trolley for small automobile parts according to claim 1 , wherein the push rod ( 8 ) can be rotated in a circle along its hinged end, and the length of the push rod ( 8 ) is slightly greater than 9 . The height of the push-down handle frame (6). 10 . The transport trolley for small auto parts according to claim 1 , wherein the front end wall of the basic rectangular base ( 2 ) can be provided with a trolley for securing the position of the push rod ( 8 ). 11 . According to the structure, the placement panel (23) can be evenly provided with a plurality of grooves for placing small automobile parts.

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