AGV trolley for transportation

Abstract

The invention relates to the related technical field of transfer equipment, in particular to an AGV trolley for transportation, which comprises a trolley main body, a lifter, a tray, a rotating shaft mounting frame and a roll shaft, a universal wheel structure is arranged at the bottom of the trolley main body, the lifter is fixedly mounted on the trolley main body, and the tray is fixedly connected with a telescopic part of the lifter; a group of rotating shaft mounting frames are symmetrically arranged on the two sides of the tray, rotating holes are formed in the rotating shaft mounting frames, the roll shafts are rotatably mounted in the rotating holes in the rotating shaft mounting frames, the roll shafts are used for carrying terminal reels, and the terminal reels are used for winding terminals; according to the terminal reel feeding and discharging device, by arranging the AGV composed of the trolley body, the lifter, the tray, the rotating shaft mounting frame and the roll shaft, feeding and discharging of the terminal reel are facilitated through the roll shaft, the lifter can conveniently adjust the height of the terminal reel, and therefore a terminal on the terminal reel can be conveniently used.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of transport equipment, in particular to an AGV trolley for transportation. BACKGROUND

[0002] After stamping processing, the terminals are usually connected in a long strip shape, then wound on a reel, and then cut off the single terminal when needed. The terminals wound on the reel need to be transported by the AGV trolley during turnover. The existing patent file with the publication number CN113023620A discloses an AGV trolley, which includes a chassis, a walking mechanism, a supporting assembly, a tray, a rotating assembly, and a lifting mechanism. The tray is connected to the lifting mechanism through the rotating assembly. The lifting mechanism is arranged on the chassis and includes a lifting driving mechanism and a lifting mechanism. The lifting driving mechanism is drivingly connected to the rotating assembly through the lifting mechanism to drive the rotating assembly and the tray to lift. The rotating assembly drives the tray to rotate relative to the chassis. The rotating assembly includes a rotating support including an inner ring and an outer ring, and the outer ring is rotatably sleeved outside the inner ring. The damping assembly includes a transfer plate and elastic balls. The transfer plate is arranged on the axial side of the outer ring and connected to the inner ring. The elastic balls are arranged on the transfer plate and are pressed by the outer ring. However, the tray structure in the above-mentioned scheme is simple, which is not convenient for the operator to load and unload the materials on the tray, thereby causing certain use defects in actual use. Therefore, the present application provides an AGV trolley for transportation to solve the above-mentioned problems. SUMMARY

[0003] The present application aims to provide an AGV trolley for transportation to solve the problems raised in the background art.

[0004] To achieve the above-mentioned purpose, the present application provides the following technical scheme: an AGV trolley for transportation, comprising: A trolley body, the bottom of the trolley body is provided with a universal wheel structure; An elevator, which is fixedly installed on the trolley body; A tray, which is fixedly connected with the telescopic part of the elevator; A rotating shaft mounting bracket, which is symmetrically provided with a group on both sides of the tray, and a rotating hole is formed in the rotating shaft mounting bracket; A roller shaft, which is rotatably installed in the rotating hole of the rotating shaft mounting bracket, the roller shaft is used for loading and placing a terminal reel, and the terminal reel is used for winding terminals.

[0005] The shaft mounting frame is provided with a roller locking system for locking the roller, and the roller locking system is controlled by a PLC control module on the trolley body.

[0006] Preferably, oil grooves are formed at both ends of the roller, threaded holes are formed at the port positions of the oil grooves, sealing members are threadedly connected in the threaded holes, supporting springs and pistons are movably installed in the oil grooves, and lubricating oil is filled in the cavities between the sealing members and the pistons in the oil grooves.

[0007] Preferably, a primary oil channel is formed in the side wall of the oil groove, a secondary oil channel and a movable groove are formed in the side wall of the roller, the primary oil channel and the secondary oil channel are communicatively arranged with the movable groove, an elastic member is glued to the groove bottom of the movable groove, the outer side end of the elastic member is glued to a movable seat, a connecting oil channel is formed in the movable seat, the connecting oil channel is arranged in a Z shape, a stress column is integrally formed on the outer side wall of the shaft mounting frame, and the outer side end of the movable seat is arranged in a semicylindrical shape.

[0008] Preferably, the outer side end of the secondary oil channel is arranged on the outer side wall of the roller, and the outer side end of the secondary oil channel is arranged corresponding to the through hole.

[0009] Preferably, when the elastic member is in a reset state, the end of the primary oil channel is aligned with the end of the connecting oil channel, and at this time, the connecting oil channel is arranged in a dislocation with the secondary oil channel.

[0010] Preferably, when the outer side end of the movable seat is arranged against the stress column, the movable seat is forced to be pushed in, at this time, the end of the secondary oil channel is arranged in alignment with the connecting oil channel, and at this time, the end of the primary oil channel is arranged in dislocation with the connecting oil channel.

[0011] Preferably, an air cavity is formed in the side wall of the connecting oil channel, the cross section of the air cavity is arranged in an annular shape, an annular air film is connected to the side wall of the air cavity, the annular air film separates the air cavity and the connecting oil channel, inert gas is filled in the air cavity, and when the connecting oil channel is not filled with lubricating oil, the annular air film is concave to the connecting oil channel.

[0012] Preferably, an oil injection port is formed in the side wall of the oil groove, an oil injection nozzle is arranged at the outer side port of the oil injection port, a one-way valve is arranged in the oil injection nozzle, and when the supporting spring is in a reset state, the piston does not shield the oil injection port and the primary oil channel.

[0013] Preferably, the inner end pad of the sealing member is provided with a primary sealing ring, two ends of the connecting oil channel are respectively provided with a primary sealing groove and a secondary sealing groove, a secondary rubber sealing ring is embedded and installed in the primary sealing groove, and a tertiary rubber sealing ring is embedded and installed in the secondary sealing groove, and the primary sealing ring, the secondary rubber sealing ring and the tertiary rubber sealing ring are all in a compressed state during actual installation of the sealing member and the movable seat.

[0014] Preferably, a drainage groove is formed in the side wall of the rotating hole, the drainage groove is a semicircular annular notch in cross section, and the drainage groove is arranged in alignment with the outer end of the secondary oil channel.

[0015] Compared with the prior art, the present application has the following beneficial effects: 1. By setting the AGV trolley composed of the trolley body, the elevator, the tray, the rotating shaft mounting rack and the roller shaft, the terminal reel can be conveniently fed and discharged, and the height of the terminal reel can be conveniently adjusted by the elevator, so that the terminals on the terminal reel are conveniently used. 2. By setting the oil groove, the secondary oil channel and the movable groove on the roller shaft, the primary oil channel on the side wall of the oil groove, the elastic member and the movable seat in the movable groove, the Z-shaped connecting oil channel on the movable seat, and the stress column on the outer side wall of the rotating shaft mounting rack, the stress column can generate a force on the movable seat through the rotation of the roller shaft, so that the connecting oil channel is in communication with the primary oil channel and the secondary oil channel, and the lubricating oil can continuously flow into the rotating hole through the primary oil channel, the connecting oil channel and the secondary oil channel through the support spring pushing the piston, so as to ensure the flexibility of the roller shaft during rotation. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The structure of the present application is shown in the figure; Figure 2 The structure of the present application is shown in the figure; Figure 1 The structure of the present application is shown in the figure; Figure 3 The structure of the present application is shown in the figure; Figure 4 The structure of the present application is shown in the figure; Figure 5 The structure of the present application is shown in the figure; Figure 4 The structure of the present application is shown in the figure; Figure 6 The structure of the present application is shown in the figure; Figure 5 The structure of the present application is shown in the figure; Figure 7 The structure of the present application is shown in the figure; Figure 6 The structure of the present application is shown in the figure; Figure 8 The structure of the present application is shown in the figure.

[0017] In the figure: trolley body 1, elevator 2, tray 3, shaft mounting frame 4, roller shaft 5, terminal reel 6, oil groove 7, sealing element 8, supporting spring 9, piston 10, primary oil passage 11, secondary oil passage 12, movable groove 13, elastic element 14, movable seat 15, connecting oil passage 16, force column 17, air cavity 18, annular air film 19, oil injection port 20, oil injection nozzle 21, primary sealing ring 22, secondary rubber sealing ring 23, tertiary rubber sealing ring 24, drainage groove 25. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0019] Please refer to Figures 1-8 The present application provides the following three preferred embodiments: Embodiment one: an AGV trolley for transportation, comprising a trolley body 1, an elevator 2, a tray 3, a shaft mounting frame 4 and a roller shaft 5, the bottom of the trolley body 1 is provided with a universal wheel structure, the elevator 2 is fixedly installed on the trolley body 1, the tray 3 is fixedly connected with the telescopic part of the elevator 2, a set of shaft mounting frames 4 is symmetrically arranged on both sides of the tray 3, and a rotating hole is formed in the shaft mounting frame 4, the roller shaft 5 is rotatably installed in the rotating hole of the shaft mounting frame 4, the roller shaft 5 is used for loading and placing the terminal reel 6, the terminal reel 6 is used for winding terminals, and the AGV trolley composed of the trolley body 1, the elevator 2, the tray 3, the shaft mounting frame 4 and the roller shaft 5 is arranged, so that the terminal reel 6 can be conveniently fed and discharged through the roller shaft 5, and the height of the terminal reel 6 can be conveniently adjusted through the elevator 2, so that the terminals on the terminal reel 6 are conveniently used.

[0020] The shaft mounting frame 4 is provided with a roller shaft locking system, the roller shaft locking system is used for locking the roller shaft 5, and the roller shaft locking system is controlled through the PLC control module on the trolley body 1.

[0021] Embodiment two: on the basis of embodiment one, oil grooves 7 are formed at both ends of the roller shaft 5, threaded holes are formed at the port positions of the oil grooves 7, sealing elements 8 are threadedly connected in the threaded holes, supporting springs 9 and pistons 10 are movably installed in the oil grooves 7, and lubricating oil is filled in the cavity between the sealing elements 8 and the pistons 10 in the oil grooves 7.

[0022] The side wall of the oil groove 7 is provided with a first oil channel 11, the side wall of the roller shaft 5 is provided with a second oil channel 12 and a movable groove 13, the first oil channel 11 and the second oil channel 12 are communicated with the movable groove 13, the bottom of the movable groove 13 is fixedly glued with an elastic element 14, the outer side end of the elastic element 14 is fixedly glued with a movable seat 15, the movable seat 15 is provided with a connecting oil channel 16, the connecting oil channel 16 is in Z shape, the outer side wall of the rotating shaft mounting frame 4 is integrally formed with a stress column 17, and the outer side end of the movable seat 15 is in semicylindrical shape.

[0023] The outer side end of the second oil channel 12 is located on the outer side wall of the roller shaft 5, and the outer side end of the second oil channel 12 is correspondingly arranged with the rotating hole.

[0024] When the elastic element 14 is in the reset state, the end of the first oil channel 11 is aligned with the end of the connecting oil channel 16, and at this time, the connecting oil channel 16 is misaligned with the second oil channel 12.

[0025] When the outer side end of the movable seat 15 is arranged against the stress column 17, the movable seat 15 is stressed and pushed in, and at this time, the end of the second oil channel 12 is arranged in alignment with the connecting oil channel 16, and at this time, the end of the first oil channel 11 is misaligned with the connecting oil channel 16. By arranging the oil groove 7, the second oil channel 12 and the movable groove 13 on the roller shaft 5, arranging the first oil channel 11 on the side wall of the oil groove 7, arranging the elastic element 14 and the movable seat 15 in the movable groove 13, arranging the Z-shaped connecting oil channel 16 on the movable seat 15, and arranging the stress column 17 on the outer side wall of the rotating shaft mounting frame 4, the stress column 17 acts on the movable seat 15 through the rotation of the roller shaft 5, the connecting oil channel 16 is staggered with the first oil channel 11 and the second oil channel 12 to form communication, and the piston 10 is pushed by the supporting spring 9, so that the lubricating oil continuously flows into the rotating hole through the first oil channel 11, the connecting oil channel 16 and the second oil channel 12, thereby ensuring the flexibility of the roller shaft 5 during rotation.

[0026] The side wall of the connecting oil channel 16 is provided with an air cavity 18, the cross section of the air cavity 18 is in ring shape, the side wall of the air cavity 18 is connected with a ring-shaped air film 19, the ring-shaped air film 19 separates the air cavity 18 and the connecting oil channel 16, inert gas is filled in the air cavity 18, and when the connecting oil channel 16 is not filled with lubricating oil, the ring-shaped air film 19 is concave to the connecting oil channel 16. When oil is injected into the connecting oil channel 16, the ring-shaped air film 19 is extruded to the air cavity 18, and when the connecting oil channel 16 is misaligned with the first oil channel 11, the ring-shaped air film 19 is reset, so that the lubricating oil in the connecting oil channel 16 is automatically pushed into the rotating hole.

[0027] The side wall of the oil tank 7 is provided with an oil inlet 20, and the outer side of the oil inlet 20 is provided with an oil nozzle 21, which is provided with a one-way valve. When the supporting spring 9 is in the reset state, the piston 10 does not block the oil inlet 20 and the first oil channel 11.

[0028] In example three, based on example two, the inner side end of the sealing member 8 is provided with a first sealing ring 22, the two ends of the connecting oil channel 16 are respectively provided with a first sealing groove and a second sealing groove, the second rubber sealing ring 23 is embedded in the first sealing groove, and the third rubber sealing ring 24 is embedded in the second sealing groove. When the sealing member 8 and the movable seat 15 are actually installed, the first sealing ring 22, the second rubber sealing ring 23, and the third rubber sealing ring 24 are all in the compressed state, thereby improving the sealing performance of the structural connection position.

[0029] The side wall of the rotating hole is provided with a drainage groove 25, which is a semicircular annular groove, and the drainage groove 25 is aligned with the outer side of the second oil channel 12. A small amount of lubricating oil is accumulated in the drainage groove 25, thereby improving the lubricating effect of the roller shaft 5.

[0030] Although the above describes the specific embodiments of the present application in order to enable those skilled in the art to understand the present application, the present application is not limited to the scope of the specific embodiments. For those skilled in the art, all the application creations using the concept of the present application are within the scope of the present application, as long as various changes are within the spirit and scope of the present application defined and determined by the appended claims.

Claims

1. An AGV vehicle for transportation, characterized in that: Include: The trolley body (1), the bottom of the trolley body (1) is provided with a universal wheel structure; The elevator (2) is fixedly installed on the trolley body (1); The tray (3) is fixedly connected with the telescopic part of the elevator (2); The shaft mounting bracket (4) is symmetrically provided with a group on both sides of the tray (3), and a rotating hole is formed in the shaft mounting bracket (4); The roller shaft (5) is rotatably installed in the rotating hole of the shaft mounting bracket (4), the roller shaft (5) is used for loading and placing the terminal reel (6), and the terminal reel (6) is used for winding the terminal; The oil groove (7) is formed in both ends of the roller shaft (5), threaded holes are formed in the port positions of the oil groove (7), sealing members (8) are threadedly connected in the threaded holes, support springs (9) and pistons (10) are movably installed in the oil groove (7), the cavity between the sealing member (8) and the piston (10) in the oil groove (7) is filled with lubricating oil, a first oil channel (11) is formed in the side wall of the oil groove (7), a second oil channel (12) and a movable groove (13) are formed in the side wall of the roller shaft (5), and the first oil channel (11) and the second oil channel (12) are in communication with the movable groove (13).

2. The AGV vehicle for transportation according to claim 1, characterized in that: The shaft mounting bracket (4) is provided with a roller shaft locking system, the roller shaft locking system is used for locking the roller shaft (5), and the roller shaft locking system is controlled by the PLC control module on the trolley body (1).

3. The AGV vehicle for transportation according to claim 1, characterized in that: The groove bottom of the movable groove (13) is fixedly bonded with an elastic member (14), the outer side end of the elastic member (14) is fixedly bonded with a movable seat (15), a connecting oil channel (16) is formed in the movable seat (15), the connecting oil channel (16) is arranged in a Z shape, a stress column (17) is integrally formed on the outer side wall of the shaft mounting bracket (4), and the outer side end of the movable seat (15) is arranged in a semicylindrical shape.

4. The AGV vehicle for transportation according to claim 3, characterized in that: The outer side end of the second oil channel (12) is located on the outer side wall of the roller shaft (5), and the outer side end of the second oil channel (12) is correspondingly arranged with the rotating hole.

5. The AGV cart for transportation according to claim 4, characterized in that: When the elastic member (14) is in the reset state, the end of the first oil channel (11) is aligned with the end of the connecting oil channel (16), and at this time, the connecting oil channel (16) is arranged in a dislocation with the second oil channel (12).

6. The AGV cart for transportation according to claim 5, characterized in that: When the outer side end of the movable seat (15) is arranged in abutment with the stress column (17), the movable seat (15) is stressed and pushed inward, at this time, the end of the second oil channel (12) is arranged in alignment with the connecting oil channel (16), and at this time, the end of the first oil channel (11) is arranged in dislocation with the connecting oil channel (16).

7. The AGV cart for transportation according to claim 6, characterized in that: The side wall of the connecting oil passage (16) is provided with an air cavity (18), the cross section of the air cavity (18) is annular, and the side wall of the air cavity (18) is connected with an annular air film (19), the annular air film (19) separates the air cavity (18) and the connecting oil passage (16), and the air cavity (18) is filled with inert gas, when the connecting oil passage (16) is not filled with lubricating oil, the annular air film (19) is concave to the connecting oil passage (16).

8. The AGV cart for transportation according to claim 7, characterized in that: The side wall of the oil groove (7) is provided with an oil inlet (20), the outer side port of the oil inlet (20) is provided with an oil inlet nozzle (21), the oil inlet nozzle (21) is provided with a one-way valve, when the supporting spring (9) is in the reset state, the piston (10) does not block the oil inlet (20) and the first oil passage (11).

9. The AGV cart for transportation according to claim 8, characterized in that: The inner side end of the sealing element (8) is provided with a first sealing ring (22), the two ends of the connecting oil passage (16) are respectively provided with a first sealing groove and a second sealing groove, the second rubber sealing ring (23) is embedded and installed in the first sealing groove, the third rubber sealing ring (24) is embedded and installed in the second sealing groove, when the sealing element (8) and the movable seat (15) are actually installed, the first sealing ring (22), the second rubber sealing ring (23) and the third rubber sealing ring (24) are all in the compressed state.

10. The AGV cart for transportation according to claim 9, characterized in that: The side wall of the rotating hole is provided with a drainage groove (25), the drainage groove (25) is a semicircular annular notch, and the drainage groove (25) is aligned with the outer side end of the second oil passage (12).

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