Overturn-preventing RGV trolley

By adding anti-tipping and adjustment components to the bottom of the RGV trolley, the problem of the trolley tipping over during loading and unloading of goods was solved, achieving fast, efficient and stable transportation results.

CN223591580UActive Publication Date: 2025-11-25济南科德智能科技有限公司
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Patent Information

Application Number
CN202520008925.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-03
Publication Date
2025-11-25
Estimated Expiration
2035-01-03

AI Technical Summary

Technical Problem

In the existing technology, how can an anti-tipping RGV cart be provided to prevent the cart from tipping over during loading and unloading, so as to achieve fast, efficient and stable transportation?

Method used

By adding an anti-tipping component to the bottom of the RGV trolley, including a mounting plate, drive shaft and anti-tipping wheel, the circumference of the anti-tipping wheel abuts against the lower surface of the top plate of the I-beam rail. Combined with the anti-tipping wheel adjustment component and guide component, the trolley is kept stable when loading and unloading goods.

Benefits of technology

It effectively prevents RGV trolleys from tipping over due to center of gravity shift during loading and unloading, ensuring the stability and continuity of transportation, improving transportation efficiency, and reducing maintenance and operating costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an anti-overturning RGV trolley, and relates to the technical field of automatic conveying, bottom rollers of the anti-overturning RGV trolley run on an I-shaped steel rail in a rolling manner, an anti-overturning assembly comprises a mounting plate, a transmission shaft and anti-overturning wheels, and the mounting plate is vertically and detachably fastened on the bottom wall of the trolley; the first end of the transmission shaft penetrates and is rotationally connected with the mounting plate; the second end of the transmission shaft is sleeved with the anti-overturning wheel, and the peripheral side of the anti-overturning wheel abuts against the lower surface of the I-shaped steel rail top plate. The anti-overturning assembly is additionally arranged to ensure that the trolley can stably and continuously run on the upper surface of the I-shaped steel rail top plate, and the peripheral side of the anti-overturning wheel abuts against the lower surface of the I-shaped steel rail top plate through cooperation of the mounting plate, the transmission shaft and the anti-overturning wheel. And the phenomenon of overturning caused by gravity center shift of the trolley during cargo loading and unloading is prevented.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automatic conveying, more particularly to a kind of anti-overturning RGV trolley. BACKGROUND

[0002] With the development of automatic logistics system and automated warehouse, RGV trolley is produced, RGV trolley can be used in various high-density storage mode warehouse, trolley passage can be designed arbitrarily long, can improve the whole warehouse storage capacity, and does not need fork truck to drive into lane when operating, so that its safety will be higher. RGV trolley can be very conveniently connected with other logistics system automatically, such as in / out warehouse platform, various buffer stations, conveyors, elevators and robots, etc., to transport materials according to plan. In addition, it does not need personnel operation, and runs fast. Thus, the workload of warehouse management personnel is significantly reduced, and the labor productivity is improved, and the application of shuttle car can make the logistics system very simple. RGV trolley is usually equipped with forks to transport goods quickly, which takes advantage of the fork without entering the lane, and cooperates with the fast running of the trolley in the lane to effectively improve the operation efficiency of the warehouse.

[0003] The RGV trolley in the prior art is rolled on the I-beam track by the rollers at the bottom. However, in order to adapt to the high-density storage mode of modern warehouse, the RGV trolley usually needs to operate quickly, which has a large centripetal force when the trolley turns at the bend of the ring track, causing the trolley to deviate from the track and overturn. Or, when the forks are used to pick up the goods, the goods themselves have a certain weight, which may cause the center of gravity of the RGV trolley to deviate and the RGV trolley to overturn. These two situations will cause the transportation to be interrupted, and even the goods themselves may be damaged. Therefore, it will increase the cost of maintenance and operation of the RGV trolley, and also cannot effectively ensure the integrity and perfection of the goods.

[0004] Therefore, in view of the existing problems, how to provide an anti-overturning RGV trolley that can avoid the situation of RGV trolley overturning during the use of forks for loading and unloading and transporting goods, and realize fast, efficient and stable transportation, is a problem that needs to be solved by those skilled in the art. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model provides an anti-overturning RGV trolley, which can avoid the situation of RGV trolley overturning during the use of forks for loading and unloading and transporting goods, and realize fast, efficient and stable transportation.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A kind of anti-overturning RGV trolley, bottom roller rolls and runs on I-beam track, comprising:

[0008] Anti-overturning assembly, the anti-overturning assembly includes mounting plate, transmission shaft and anti-overturning wheel, the mounting plate is vertically detachable fastening in the trolley bottom wall;The transmission shaft first end penetrates and is rotatably connected the mounting plate;The anti-overturning wheel is set in the transmission shaft second end, and the circumferential side of the anti-overturning wheel is in contact with the lower surface of the I-beam track top plate.

[0009] Through the above technical scheme, the utility model provides a kind of anti-overturning RGV trolley, by additionally adding anti-overturning assembly to guarantee trolley can continuously on the upper surface of I-beam track top plate stable and continuous operation, utilize the cooperation of mounting plate, transmission shaft and anti-overturning wheel to realize the circumferential side of anti-overturning wheel and the lower surface of I-beam track top plate, prevent because trolley appears the phenomenon of overturning when trolley is in loading and unloading cargo, and trolley appears gravity center deviation.

[0010] Preferably, in the above anti-overturning RGV trolley, further including anti-overturning wheel adjusting assembly, the anti-overturning wheel adjusting assembly includes adjusting shaft and limiting plate, one end of the adjusting shaft is fixed with the transmission shaft first end, and the axis of the adjusting shaft is eccentric with the central axis of the transmission shaft;The adjusting shaft is rotated to drive the anti-overturning wheel to adjust the height, and the limiting plate is detachably set on the adjusting shaft, and the plate surface is clamped with the mounting plate. Anti-overturning wheel adjusting assembly is additionally arranged on the basis of anti-overturning assembly, one end of adjusting shaft is fixed on the end of transmission shaft away from anti-overturning wheel, and the axis of adjusting shaft and transmission shaft is not on the same straight line, so that when adjusting shaft is rotated, the height of anti-overturning wheel can be adjusted, so that the anti-overturning wheel can always be in contact with the lower surface of I-beam track top plate.

[0011] Preferably, in the above anti-overturning RGV trolley, the adjusting shaft is formed with clamping surface on both sides along the axis direction, and the limiting plate is provided with through hole which is adapted to the axial movement of the adjusting shaft. Realize the synchronous rotation of limiting plate and adjusting shaft.

[0012] Preferably, in the above anti-overturning RGV trolley, further including a plurality of driving assemblies, each driving assembly includes first drive motor, walking wheel box and walking wheel, the walking wheel box and the shell of the first drive motor are fixed on the lower end surface of the trolley bottom wall;The mounting plate is fixed on the side wall of the walking wheel box by pin shaft;The walking wheel is rotatably connected in the walking wheel box, and is in rolling contact with the upper surface of the I-beam track top plate, and the walking wheel is drivingly connected with the output shaft of the first drive motor. Realize the operation of trolley.

[0013] Preferably, in the anti-overturning RGV trolley, a guide assembly is further included, the guide assembly comprises a guide wheel mounting plate and guide wheels, the plate surface of the guide wheel mounting plate is fixed on the side wall of the walking wheel box perpendicular to the trolley running direction, the guide wheels are arranged in groups of two, and the guide wheels arranged in groups are fixedly connected to the both ends of the guide wheel mounting plate, and each guide wheel is in rolling abutment with the side end wall of the I-beam track top plate, so that the walking wheels can always run along the I-beam track.

[0014] Preferably, in the anti-overturning RGV trolley, an anti-unhooking device is further included, one end of the anti-unhooking device is fixed on the mounting plate, and the other end is in sliding abutment with the lower surface of the I-beam track top plate, so that the anti-overturning of the trolley is further realized.

[0015] Preferably, in the anti-overturning RGV trolley, a fork assembly is further included, the fork assembly comprises a mounting frame, a fork and a second driving motor, the mounting frame is fixed on the trolley, the fork is slidingly installed on the mounting frame, the sliding direction of the fork is perpendicular to the running direction of the trolley, the mounting end of the second driving motor is fixed on the mounting frame, and the output end of the second driving motor is in transmission connection with the fork, so that the normal loading and unloading and transportation of the trolley are realized.

[0016] Preferably, in the anti-overturning RGV trolley, a power supply assembly is further included, the power supply assembly comprises a sliding contact line and a current collecting arm, the sliding contact line is fixed in parallel with the I-beam track, and the current collecting arm is fixed on the outer bottom wall of the trolley and electrically connected with the sliding contact line at one end and with the first driving motor and the second driving motor at the other end, so that power is provided for the operation of the trolley.

[0017] Preferably, in the anti-overturning RGV trolley, a PLC control box is further included, the PLC control box is electrically connected with the current collecting arm to control the actions of the first driving motor and the second driving motor, so that the integrated action of the trolley is realized.

[0018] According to the above technical scheme, compared with the prior art, the anti-overturning RGV trolley has the following beneficial effects:

[0019] 1. The anti-overturning assembly is added to ensure that the trolley can stably and continuously run on the upper surface of the I-beam track top plate, the cooperation of the mounting plate, the transmission shaft and the anti-overturning wheels realizes that the circumferential side of the anti-overturning wheels is in abutment with the lower surface of the I-beam track top plate, and the phenomenon of overturning caused by the center of gravity of the trolley deviating during loading and unloading of goods is prevented.

[0020] 2. The anti-overturning assembly is additionally provided with an anti-overturning wheel adjusting assembly, one end of an adjusting rotating shaft is fixed to the end of the transmission shaft away from the anti-overturning wheel, and the axis lines of the adjusting rotating shaft and the transmission shaft are not on the same straight line, so that when the adjusting rotating shaft is rotated, the anti-overturning wheel can be driven to adjust the height, so that the anti-overturning wheel can always abut against the lower surface of the I-beam track top plate. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiments of the present utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only the embodiments of the present utility model, and other drawings can also be obtained according to the provided drawings without creative labor for the ordinary skilled in the art.

[0022] Figure 1 The drawing is the structure explosion drawing of the anti-overturning assembly and the anti-overturning wheel adjusting assembly provided by the present utility model;

[0023] Figure 2 The drawing is the structure explosion drawing of the anti-overturning wheel adjusting assembly provided by the present utility model;

[0024] Figure 3 The drawing is the structure schematic view of the trolley provided by the present utility model;

[0025] Figure 4 The drawing is the detail enlarged view of the A structure in the drawing; Figure 3 The drawing is the detail enlarged view of the B structure in the drawing.

[0026] Figure 5 The drawing is the side view of the trolley provided by the present utility model;

[0027] Figure 6 The drawing is the detail enlarged view of the B structure in the drawing. Figure 5

[0028] Wherein:

[0029] 1-I-beam track; 2-trolley; 3-anti-overturning assembly; 31-mounting plate; 32-transmission shaft; 33-anti-overturning wheel; 4-anti-overturning wheel adjusting assembly; 41-adjusting rotating shaft; 411-clamping surface; 42-limiting plate; 421-through hole; 43-fixing nut; 5-driving assembly; 51-first driving motor; 52-traveling wheel box; 6-guiding assembly; 61-guiding wheel mounting plate; 62-guiding wheel; 7-anti-unhooking hook; 8-current collecting arm; 9-fork assembly; 91-mounting frame; 92-fork; 10-PLC control box. DETAILED DESCRIPTION

[0030] ​The technical solutions in the embodiments of the present application will be clearly and completely described 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 of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0031] Embodiment

[0032] Referring to the drawings Figures 1-6 The utility model discloses an anti-overturning RGV trolley, the bottom roller rolls and runs on the I -beam rail 1, comprising:

[0033] Anti-overturning assembly 3, anti-overturning assembly 3 includes mounting plate 31, transmission shaft 32 and anti-overturning wheel 33, and mounting plate 31 is vertically detachable fastened in the bottom wall of trolley 2, and transmission shaft 32 first end penetrates and is connected with mounting plate 31, and anti-overturning wheel 33 is set in transmission shaft 32 second end, and the circumferential side of anti-overturning wheel 33 is in abutment with the lower surface of I -beam rail 1 top plate.

[0034] Specifically, anti-overturning wheel 3 is set in transmission shaft 32 second end through bearing.

[0035] In order to further optimize the above technical scheme, it further includes anti-overturning wheel adjusting assembly 4, and anti-overturning wheel adjusting assembly 4 includes adjusting shaft 41 and limiting plate 42, adjusting shaft 41 one end is fixed with transmission shaft 32 first end, and the axis of adjusting shaft 41 is eccentric with the central axis of transmission shaft 32, adjusting shaft 41 rotates to drive anti-overturning wheel 33 to adjust the lifting, and limiting plate 42 is detachably set on adjusting shaft 41 and the plate surface is clamped with mounting plate 31.

[0036] Specifically, limiting plate 42 is a round plate, and a limiting hole is formed in the circumferential side thereof, and the limiting plate 42 can be fixed on the mounting plate 31 by screws.

[0037] Specifically, anti-overturning wheel adjusting assembly 4 further includes fixed nut 43, fixed nut 43 is set on adjusting shaft 41, and is in abutment with limiting plate 42.

[0038] In order to further optimize the above technical scheme, the two sides of adjusting shaft 41 along the axial direction of its axis are formed with clamping surfaces 411, and the limiting plate 42 is provided with a through hole 421 that is adapted to the axial movement of adjusting shaft 41.

[0039] In order to further optimize the above technical scheme, a plurality of driving assemblies 5 are further included, each of the driving assemblies 5 comprises a first driving motor 51, a walking wheel box 52 and a walking wheel, the walking wheel box 52 and the shell of the first driving motor 51 are fixed to the bottom wall of the trolley 2; the mounting plate 31 is fixed to the side wall of the walking wheel box 52 through a pin shaft; the walking wheel is rotatably connected in the walking wheel box 52 and rolls against the upper surface of the top plate of the I-beam track 1, and the walking wheel is in transmission connection with the output shaft of the first driving motor 51.

[0040] In order to further optimize the above technical scheme, a guiding assembly 6 is further included, the guiding assembly 6 comprises a guiding wheel mounting plate 61 and a plurality of guiding wheels 62, the plate surface of the guiding wheel mounting plate 61 is fixed to the side wall of the walking wheel box 52 in the direction perpendicular to the advancing direction of the trolley 2; the number of the guiding wheels 62 is multiple, and the guiding wheels 62 are arranged in groups of two, and the two ends of the guiding wheel mounting plate 61 are respectively fixedly connected with the guiding wheels 62 arranged in groups, and each of the guiding wheels 62 rolls against the side end wall of the top plate of the I-beam track 1.

[0041] In order to further optimize the above technical scheme, an anti-unhooking device 7 is further included, one end of the anti-unhooking device 7 is fixed to the mounting plate 31, and the other end is slidably connected to the lower surface of the top plate of the I-beam track 1.

[0042] In order to further optimize the above technical scheme, a fork assembly 9 is further included, the fork assembly 9 comprises a mounting frame 91, a fork 92 and a second driving motor, the mounting frame 91 is fixed to the trolley 2; the fork 92 is slidably mounted on the mounting frame 91, and the sliding direction of the fork 92 is perpendicular to the advancing direction of the trolley 2; the mounting end of the second driving motor is fixed to the mounting frame 91, and the output end of the second driving motor is in transmission connection with the fork 92.

[0043] In order to further optimize the above technical scheme, a power supply assembly is further included, the power supply assembly comprises a slide wire and a current collecting arm 8, the slide wire is fixed in parallel to the I-beam track 1; the current collecting arm 8 is fixed to the outer bottom wall of the trolley 2, and one end of the current collecting arm 8 is electrically connected with the slide wire, and the other end of the current collecting arm 8 is electrically connected with the first driving motor 51 and the second driving motor respectively.

[0044] In order to further optimize the above technical scheme, a PLC control box 10 is further included, the PLC control box 10 is electrically connected with the current collecting arm 8 to control the actions of the first driving motor 51 and the second driving motor.

[0045] In the specification, each embodiment is described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same or similar parts between each embodiment can be referred to each other.

[0046] The above description of disclosed embodiments enables one of ordinary skill in the art to make or use the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An anti-overturning RGV trolley, the bottom rollers of which roll and run on an I-beam track (1), characterized in that, It includes: The anti-overturning assembly (3) includes a mounting plate (31), a transmission shaft (32) and an anti-overturning wheel (33), the mounting plate (31) is vertically detachably fastened on the bottom wall of the trolley (2); the first end of the transmission shaft (32) penetrates and is rotatably connected to the mounting plate (31); the anti-overturning wheel (33) is sleeved on the second end of the transmission shaft (32), and the circumferential side of the anti-overturning wheel (33) abuts against the lower surface of the top plate of the I-beam rail (1).

2. The anti-overturning RGV cart of claim 1, wherein, It also includes an anti-overturning wheel adjusting assembly (4), the adjusting shaft (41) is fixed at one end of the transmission shaft (32) first end, and the shaft center line of the adjusting shaft (41) is eccentrically arranged with the center axis of the transmission shaft (32); the adjusting shaft (41) is rotated to drive the anti-overturning wheel (33) to adjust the lifting, the limiting plate (42) is detachably sleeved on the adjusting shaft (41) and its plate surface is clamped with the mounting plate (31).

3. The anti-overturning RGV cart of claim 2, wherein, The adjusting shaft (41) is formed with a clamping surface (411) on both sides along the axial direction of the shaft, and the limiting plate (42) is provided with a through hole (421) which is adapted to the axial movement of the adjusting shaft (41).

4. The anti-overturning RGV cart according to any one of claims 1 to 3, characterized in that, It also includes a plurality of drive assemblies (5), each of which includes a first drive motor (51), a walking wheel box (52) and a walking wheel, the walking wheel box (52) and the shell of the first drive motor (51) are fixed on the bottom wall of the trolley (2); the mounting plate (31) is fixed on the side wall of the walking wheel box (52) through a pin shaft; the walking wheel is rotatably connected in the walking wheel box (52), and rolls against the upper surface of the top plate of the I-beam rail (1), the walking wheel is drivingly connected with the output shaft of the first drive motor (51).

5. The anti-overturning RGV cart of claim 4, wherein, It also includes a guide assembly (6), the guide assembly (6) includes a guide wheel mounting plate (61) and a guide wheel (62), the plate surface of the guide wheel mounting plate (61) is fixed on the side wall of the walking wheel box (52) perpendicular to the direction of travel of the trolley (2); the guide wheel (62) is a plurality of, and two by two a group, the two ends of the guide wheel mounting plate (61) are respectively fixedly connected with the guide wheel (62) arranged in groups, each guide wheel (62) rolls against the side end wall of the top plate of the I-beam rail (1).

6. The anti-overturning RGV cart of claim 3, wherein, It also includes an anti-unhooking device (7), one end of the anti-unhooking device (7) is fixed on the mounting plate (31), and the other end is slidingly abutted on the lower surface of the top plate of the I-beam rail (1).

7. The anti-overturning RGV cart of claim 4, wherein, It also includes a fork assembly (9), the fork assembly (9) includes a mounting frame (91), a fork (92) and a second drive motor, the mounting frame (91) is fixed on the trolley (2); the fork (92) is slidingly installed on the mounting frame (91), and the sliding direction of the fork (92) is perpendicular to the direction of travel of the trolley (2); The mounting end of the second driving motor is fixed on the mounting frame (91), and the output end of the second driving motor is in transmission connection with the forks (92).

8. The anti-overturning RGV cart of claim 7, wherein, The power supply assembly includes a slide wire and a current collecting arm (8), the slide wire is fixed in parallel with the I-shaped rail (1), the current collecting arm (8) is fixed on the outer bottom wall of the trolley (2), and one end is in electrical connection with the slide wire, and the other end is in electrical connection with the first driving motor (51) and the second driving motor respectively.

9. The anti-overturning RGV cart of claim 8, wherein, The PLC control box (10) is in electrical connection with the current collecting arm (8) to control the actions of the first driving motor (51) and the second driving motor.