CN221116873U

CN221116873U - Compact AGV dolly structure

Info

Publication number: CN221116873U
Application number: CN202322860970.6U
Authority: CN
Inventors: 孙德洲
Original assignee: Ks Robot Technology Suzhou Co ltd
Current assignee: Ks Robot Technology Suzhou Co ltd
Priority date: 2023-10-25
Filing date: 2023-10-25
Publication date: 2024-06-11
Anticipated expiration: 2033-10-25

Abstract

The utility model provides a compact AGV trolley structure, which comprises a lifting assembly, wherein the lifting assembly comprises a carriage, supporting rods, electric push-pull rods, a first pin shaft, a second pin shaft, a first supporting arm, a second supporting arm, a third pin shaft, a third supporting arm, a fourth supporting arm, a rotating shaft, a connecting block and a lifting platform, the supporting rods are fixedly connected to the middle parts of the two sides of the inner side wall of the carriage, and the electric push-pull rods are rotatably connected to the two sides of the middle part of the outer side wall of the supporting rods. According to the utility model, the first pin shaft and the second pin shaft are simultaneously pushed by the two electric push-pull rods, so that the lifting platform is jacked up and the container is lifted, and when the first pin shaft and the second pin shaft are simultaneously pulled by the two electric push-pull rods, the lifting platform can be dropped down to put down the container without using a hydraulic station for cooperation, the structure in the trolley is simple, the volume of the trolley is reduced, the height of the trolley is reduced, the weight of the trolley is reduced, and the compactness of the trolley is increased, so that the AGV trolley is miniaturized and light-weighted.

Description

Compact AGV dolly structure

Technical Field

The utility model relates to the technical field of AGVs, in particular to a compact AGV trolley structure.

Background

An unmanned carrier vehicle (Automated Guided Vehicle, abbreviated as AGV) is a carrier vehicle equipped with an automatic guidance device such as electromagnetic or optical, capable of traveling along a predetermined guidance path, having safety protection and various transfer functions, and is used in industrial applications without the need for a driver, and uses a rechargeable battery as its power source. Generally, the traveling route and behavior of the vehicle can be controlled by a computer, or the traveling route can be established by using an electromagnetic track (electromagnetic path-following system), the electromagnetic track is stuck on the floor, and the vehicle can move and act according to the information brought by the electromagnetic track;

The existing AGVs often adopt hydraulic cylinder jacking elevating platform, promote elevating platform jacking and descending through hydraulic cylinder to lift or put down the packing box, hydraulic cylinder needs to use the cooperation of hydraulic pressure station, and in car internal distribution a large amount of valve pieces and hydraulic line, on the limited AGVs in space, hydraulic pressure station brings too big volume and too high weight, is unfavorable for the AGV miniaturization, lightweight, for this reason, proposes a compact AGV dolly structure.

Disclosure of utility model

In view of the foregoing, it is desirable to provide a compact AGV structure that solves or alleviates the technical problems of the prior art, and at least provides a useful choice.

The technical scheme of the embodiment of the utility model is realized as follows: the compact AGV trolley structure comprises a lifting assembly, wherein the lifting assembly comprises a carriage, a supporting rod, an electric push-pull rod, a first pin shaft, a second pin shaft, a first supporting arm, a second supporting arm, a third pin shaft, a third supporting arm, a fourth supporting arm, a rotating shaft, a connecting block and a lifting platform;

The automatic lifting device is characterized in that support rods are fixedly connected to the middle parts of two sides of the inner side wall of the carriage, electric push-pull rods are respectively and rotatably connected to two sides of the middle part of the outer side wall of the support rods, first pin shafts and second pin shafts are respectively and rotatably connected to the output ends of the electric push-pull rods, first support arms are respectively and rotatably connected to two sides of the outer side wall of the first pin shafts, second support arms are respectively and rotatably connected to two sides of the outer side wall of the second pin shafts, third pin shafts are respectively and rotatably connected to two sides of the inner side wall of the carriage, two sides of the outer side wall of the second pin shafts are respectively and rotatably connected to third support arms, two ends of the outer side wall of the second pin shafts, which are far away from each other, of the third support arms and the two fourth support arms are respectively and rotatably connected to connecting blocks through rotating shafts, and four tops of the four connecting blocks are fixedly connected to lifting platforms.

Further preferably, the two sides of the outer side wall of the supporting rod are fixedly connected with first reinforcing rings, and one far away side of each of the two first reinforcing rings is fixedly connected with the outer side, close to the supporting rod, of the two sides of the inner side wall of the carriage.

Further preferably, two outer side walls of the third pins are fixedly connected with second reinforcing rings, and one far side of each of the four second reinforcing rings is fixedly connected with the outer side, close to the third pin, of the inner side wall of the carriage.

Further preferably, the outer side of the lower surface of the lifting platform is attached to the upper surface of the carriage.

Further preferably, the mounting grooves are formed in four corners of the lower surface of the carriage, the four mounting cylinders are fixedly connected to the inner side walls of the mounting grooves, the bottom plate is slidably connected to the inner side walls of the mounting cylinders, the mounting plate is fixedly connected to the middle of the lower surface of the bottom plate, and the universal wheels are fixedly connected to the bottom of the mounting plate through a plurality of screws.

Further preferably, a support column is fixedly connected to the center of the upper surface of the bottom plate, a support cylinder is slidably connected to the outer side wall of the support column, and the top of the support cylinder is fixedly connected to the inner top wall of the mounting cylinder.

Further preferably, a spring is sleeved on the outer side wall of the supporting cylinder, the top of the spring is fixedly connected to the inner top wall of the mounting cylinder and is close to the outer side of the supporting cylinder, and the bottom of the spring is fixedly connected to the outer side of the upper surface of the bottom plate and is close to the supporting column.

Further preferably, the bottom of the mounting cylinder is fixedly connected with a limiting ring, the outer side wall of the mounting plate is slidably connected to the inner side wall of the limiting ring, and the outer side of the lower surface of the bottom plate is attached to the inner side of the upper surface of the limiting ring.

By adopting the technical scheme, the embodiment of the utility model has the following advantages:

According to the utility model, the first pin shaft and the second pin shaft are simultaneously pushed by the two electric push-pull rods, so that the lifting platform is jacked up and the container is lifted, and when the first pin shaft and the second pin shaft are simultaneously pulled by the two electric push-pull rods, the lifting platform can be dropped down to put down the container without using a hydraulic station for cooperation, the structure in the vehicle is simple, the volume of the vehicle is reduced, the height of the vehicle is reduced, the weight of the vehicle is reduced, and the compactness of the AGV is increased, so that the AGV is miniaturized and light-weighted.

The foregoing summary is for the purpose of the specification only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present utility model will become apparent by reference to the drawings and the following detailed description.

Drawings

In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a view angle block diagram of the present utility model;

FIG. 2 is a view of another view of the present utility model;

FIG. 3 is a block diagram of the electric push-pull rod and the first support arm of the present utility model;

FIG. 4 is a diagram of a base plate and caster structure of the present utility model.

Reference numerals: 1. a lifting assembly; 11. a carriage; 12. a support rod; 13. an electric push-pull rod; 14. a first pin; 15. a second pin; 16. a first support arm; 17. a second support arm; 18. a third pin; 19. a third support arm; 20. a fourth support arm; 21. a rotating shaft; 22. a connecting block; 23. a lifting platform; 24. a first reinforcing ring; 25. a second reinforcing ring; 26. a mounting groove; 27. a mounting cylinder; 28. a bottom plate; 29. a mounting plate; 30. a screw; 31. a universal wheel; 32. a support column; 33. a support cylinder; 34. a spring; 35. and a limiting ring.

Detailed Description

Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.

Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1-4, an embodiment of the present utility model provides a compact AGV trolley structure, which includes a lifting assembly 1, where the lifting assembly 1 includes a carriage 11, a support rod 12, an electric push-pull rod 13, a first pin 14, a second pin 15, a first support arm 16, a second support arm 17, a third pin 18, a third support arm 19, a fourth support arm 20, a rotating shaft 21, a connection block 22, and a lifting platform 23;

The middle part fixedly connected with bracing piece 12 in the inside wall both sides middle part of railway carriage 11, the both sides in the outside wall middle part of bracing piece 12 all rotate and are connected with electric push-and-pull rod 13, the output of two electric push-and-pull rods 13 rotates respectively and is connected with first round pin axle 14 and second round pin axle 15, the both sides of the outside wall of first round pin axle 14 all rotate and are connected with first support arm 16, the both sides of the outside wall of second round pin axle 15 all rotate and are connected with second support arm 17, the one end that one side that first support arm 16 and second support arm 17 kept away from all runs through third round pin axle 18, both sides of two third round pins 18 are fixed connection respectively in the inside wall both sides front portion and the rear portion of railway carriage 11, the inboard that the outside wall of first round pin axle 14 is close to two first support arms 16 all rotates and is connected with third support arm 19, the inboard that the outside wall both sides of second round pin axle 15 are close to two second support arms 17 all rotates and is connected with fourth support arm 20, the both ends that two third support arm 19 and two fourth support arm 20 keep away from each other are all rotated through pivot 21 and are connected with connecting block 22, the top fixedly connected with lift platform 23 of four connecting blocks 22.

In one embodiment, the specific: the first reinforcing rings 24 are fixedly connected to the two sides of the outer side wall of the supporting rod 12, one far away side of the two first reinforcing rings 24 is fixedly connected to the outer side, close to the supporting rod 12, of the two sides of the inner side wall of the carriage 11, and the supporting rod 12 is fixed through the first reinforcing rings 24, so that the firmness of the supporting rod 12 is improved.

In one embodiment, the specific: the two sides of the outer side walls of the two third pin shafts 18 are fixedly connected with second reinforcing rings 25, the sides, far away from each other, of the four second reinforcing rings 25 are fixedly connected to the outer sides, close to the third pin shafts 18, of the two sides of the inner side walls of the carriage 11, and the third pin shafts 18 are fixed through the second reinforcing rings 25, so that the firmness of the third pin shafts 18 is improved.

In one embodiment, the specific: the lower surface outside laminating of lift platform 23 is connected in the upper surface of railway carriage 11, and lift platform 23 falls to the lowest when being laminated with railway carriage 11 to AGV dolly height is lower.

In one embodiment, the specific: the mounting grooves 26 are formed in four corners of the lower surface of the carriage 11, the mounting cylinders 27 are fixedly connected to the inner side walls of the four mounting grooves 26, the bottom plate 28 is slidably connected to the inner side walls of the mounting cylinders 27, the mounting plate 29 is fixedly connected to the middle of the lower surface of the bottom plate 28, the universal wheels 31 are fixedly connected to the bottom of the mounting plate 29 through a plurality of screws 30, and the bottom plate 28 slides in the mounting cylinders 27, so that the bottom plate 28 is limited.

In one embodiment, the specific: the support column 32 is fixedly connected to the center of the upper surface of the bottom plate 28, the support cylinder 33 is slidably connected to the outer side wall of the support column 32, the top of the support cylinder 33 is fixedly connected to the inner top wall of the mounting cylinder 27, and the support column 32 slides in the support cylinder 33 through the support column 32, so that the support column 32 is limited.

In one embodiment, the specific: the outer side wall of the supporting cylinder 33 is sleeved with a spring 34, the top of the spring 34 is fixedly connected to the inner top wall of the mounting cylinder 27, which is close to the outer side of the supporting cylinder 33, the bottom of the spring 34 is fixedly connected to the outer side of the upper surface of the bottom plate 28, which is close to the supporting column 32, and the bottom plate 28 is supported by the spring 34, so that the buffering force of the bottom plate 28 sliding in the mounting cylinder 27 is increased.

In one embodiment, the specific: the bottom fixedly connected with spacing ring 35 of mounting tube 27, the lateral wall sliding connection of mounting panel 29 is in the inside wall of spacing ring 35, and the laminating of the lower surface outside of bottom plate 28 is connected in the upper surface inboard of spacing ring 35, through the stop of spacing ring 35 to bottom plate 28 to prevent that spacing ring 35 from following the inside roll-off of mounting tube 27.

The utility model works when in work: the first pin shaft 14 and the second pin shaft 15 are simultaneously pushed by the two electric push-pull rods 13, so that the first support arm 16 and the second support arm 17 are driven to rotate under the limit of the third pin shaft 18, meanwhile, the third support arm 19 and the fourth support arm 20 are driven to rotate under the limit of the first pin shaft 14 and the limit of the second pin shaft 15, the angle between the first support arm 16 and the third support arm 19 is increased, the angle between the second support arm 17 and the fourth support arm 20 is increased, the lifting platform 23 is lifted, when the first pin shaft 14 and the second pin shaft 15 are simultaneously pulled by the two electric push-pull rods 13, the lifting platform 23 can be fallen, the buffer force of the bottom plate 28 sliding in the mounting cylinder 27 is increased through the support of the spring 34, the buffer force of the universal wheels 31 at the bottom of the mounting plate 29 is increased, and therefore the shaking of the AGV trolley is reduced when the AGV trolley moves on an uneven road.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that various changes and substitutions are possible within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. A compact AGV dolly structure, its characterized in that: the lifting device comprises a lifting assembly (1), wherein the lifting assembly (1) comprises a carriage (11), a supporting rod (12), an electric push-pull rod (13), a first pin shaft (14), a second pin shaft (15), a first supporting arm (16), a second supporting arm (17), a third pin shaft (18), a third supporting arm (19), a fourth supporting arm (20), a rotating shaft (21), a connecting block (22) and a lifting platform (23);

The middle parts of the two sides of the inner side wall of the carriage (11) are fixedly connected with supporting rods (12), the two sides of the middle part of the outer side wall of the supporting rods (12) are respectively and rotatably connected with an electric push-pull rod (13), the output ends of the two electric push-pull rods (13) are respectively and rotatably connected with a first pin shaft (14) and a second pin shaft (15), the two sides of the outer side wall of the first pin shaft (14) are respectively and rotatably connected with a first supporting arm (16), the two sides of the outer side wall of the second pin shaft (15) are respectively and rotatably connected with a second supporting arm (17), one ends, far away from one sides of the first supporting arm (16) and the second supporting arm (17), of the first pin shaft (18) are respectively penetrated by a third pin shaft (18), the two sides of the third pin shaft (18) are respectively and fixedly connected to the front part and the rear part of the two sides of the inner side wall of the carriage (11), the outer side wall of the first pin shaft (14) is close to the inner sides of the two first support arms (16) and is rotationally connected with the third support arms (19), the two sides of the outer side wall of the second pin shaft (15) are rotationally connected with the fourth support arms (20) close to the inner sides of the two second support arms (17), two far away ends of the third support arms (19) and the two fourth support arms (20) are rotationally connected with the connecting blocks (22) through the rotating shafts (21), and the tops of the four connecting blocks (22) are fixedly connected with the lifting platform (23).

2. The compact AGV cart structure according to claim 1, wherein: the two sides of the outer side wall of the supporting rod (12) are fixedly connected with first reinforcing rings (24), and one side, away from each other, of each first reinforcing ring (24) is fixedly connected with the outer side, close to the supporting rod (12), of the two sides of the inner side wall of the carriage (11).

3. The compact AGV cart structure according to claim 1, wherein: two outer side walls of the third pin shafts (18) are fixedly connected with second reinforcing rings (25), and one sides, far away from each other, of the four second reinforcing rings (25) are fixedly connected to the outer sides, close to the third pin shafts (18), of the inner side walls of the carriage (11).

4. The compact AGV cart structure according to claim 1, wherein: the outer side of the lower surface of the lifting platform (23) is attached and connected to the upper surface of the carriage (11).

5. The compact AGV cart structure according to claim 4 wherein: the four mounting grooves (26) are formed in four corners of the lower surface of the carriage (11), the four mounting cylinders (27) are fixedly connected to the inner side walls of the mounting grooves (26), the bottom plates (28) are slidably connected to the inner side walls of the mounting cylinders (27), the mounting plates (29) are fixedly connected to the middle of the lower surface of the bottom plates (28), and universal wheels (31) are fixedly connected to the bottoms of the mounting plates (29) through a plurality of screws (30).

6. The compact AGV cart structure according to claim 5 wherein: the bottom plate (28) is fixedly connected with a support column (32) at the center of the upper surface, the outer side wall of the support column (32) is connected with a support cylinder (33) in a sliding mode, and the top of the support cylinder (33) is fixedly connected with the inner top wall of the installation cylinder (27).

7. The compact AGV cart structure according to claim 6 wherein: the outer side wall of the supporting cylinder (33) is sleeved with a spring (34), the top of the spring (34) is fixedly connected to the inner top wall of the mounting cylinder (27) and is close to the outer side of the supporting cylinder (33), and the bottom of the spring (34) is fixedly connected to the upper surface of the bottom plate (28) and is close to the outer side of the supporting column (32).

8. The compact AGV cart structure according to claim 7 wherein: the bottom of the mounting cylinder (27) is fixedly connected with a limiting ring (35), the outer side wall of the mounting plate (29) is slidably connected to the inner side wall of the limiting ring (35), and the outer side of the lower surface of the bottom plate (28) is attached to the inner side of the upper surface of the limiting ring (35).