AGV trolley and chassis driving structure

Abstract

The utility model relates to the technical field of AGVs (Automatic Guided Vehicles), in particular to an AGV and chassis driving structure, which comprises an AGV chassis frame, a first driving module for driving the AGV chassis frame to move and a second driving module for driving the AGV chassis frame to move, a first mounting cavity and a second mounting cavity are formed in the AGV chassis; the first driving module is arranged in the first mounting cavity, and the first driving module is detachably connected with the AGV chassis frame; the second driving module is arranged in the second mounting cavity, and the second driving module is detachably connected with the AGV chassis frame; the problem that the service life of the whole vehicle is greatly shortened due to insufficient rigidity of the frame can be effectively solved; the driving module is provided with a swing arm, and when the AGV runs to the bumpy terrain, dynamic swing can be achieved, so that driving wheels make contact with the ground all the time; the integrated driving module enables the disassembly and installation of the trolley chassis to be more convenient, and effectively solves the problems that the driving part is easy to install and the after-sales maintenance is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to AGV dolly technical field more specifically, it relates to a kind of AGV dolly and chassis drive structure. BACKGROUND

[0002] Traditional AGV dolly chassis usually adopts sheet metal bending and welding mode, the overall rigidity of the frame of this processing mode is insufficient, which can easily lead to unstable operation of the dolly, and even the dolly frame is deformed to cause abnormal operation.In addition, the chassis drive structure used by the traditional AGV dolly is generally a split structure, which can easily lead to the design of part of the frame being different, resulting in the frame being unable to be installed on the frame, and the scene adaptability being low.Therefore, in view of the above problems, an AGV dolly and chassis drive structure are proposed, which can effectively solve the problem of the overall vehicle life being greatly reduced due to insufficient rigidity of the frame.The integrated drive module can make the drive module easy to install, adapt to various different vehicle models, and increase the use adaptability of the dolly chassis. SUMMARY

[0003] In view of the deficiencies in the prior art, the purpose of the present utility model is to provide an AGV dolly and chassis drive structure to solve the problems existing in the background art.

[0004] The above technical purpose of the utility model is achieved by the following technical scheme: a chassis drive structure of an AGV dolly, comprising: an AGV chassis frame, a first drive module for driving the AGV chassis frame to move, and a second drive module for driving the AGV chassis frame to move; the AGV chassis is provided with a first mounting cavity and a second mounting cavity; the first drive module is arranged in the first mounting cavity, and the first drive module is detachably connected with the AGV chassis frame; the second drive module is arranged in the second mounting cavity, and the second drive module is detachably connected with the AGV chassis frame.

[0005] Optionally, the AGV chassis frame comprises: a right frame, a left frame, a main frame and a rear frame; one end of the main frame is fixedly connected with the left frame, and the other end is fixedly connected with the right frame; the rear frame is fixedly connected with the main frame; the first mounting cavity is arranged on the left frame; the second mounting cavity is arranged on the right frame; the first drive module is detachably connected with the left frame; and the second drive module is detachably connected with the right frame.

[0006] Optionally, the first driving module comprises a first swing arm, a first bearing seat, a first front universal wheel and a first integrated driving assembly; one end of the first swing arm is detachably connected with the front universal wheel, and the other end is detachably connected with the first integrated driving assembly; one end of the first bearing seat is detachably connected with the first swing arm, and the other end is detachably connected with the left frame; the first bearing seat is located on the end of the first swing arm close to the first integrated driving assembly.

[0007] Optionally, the second driving module comprises a second swing arm, a second bearing seat, a second front universal wheel and a second integrated driving assembly; one end of the second bearing seat is detachably connected with the second swing arm; the second bearing seat is located in the middle of the second swing arm; one end of the second swing arm is detachably connected with the second front universal wheel, and the other end is detachably connected with the second integrated driving assembly; one end of the second bearing seat is detachably connected with the second swing arm, and the other end is detachably connected with the right frame; the second bearing seat is located on the end of the second swing arm close to the second integrated driving assembly.

[0008] Optionally, the first integrated driving assembly comprises a first driving wheel, a first speed reducer and a first motor; the first motor is detachably connected with the first swing arm; the output end of the first motor is fixedly connected with the input end of the first speed reducer; the output end of the first speed reducer is fixedly connected with the first driving wheel.

[0009] Optionally, the second integrated driving assembly comprises a second driving wheel, a second speed reducer and a second motor; the second motor is detachably connected with the second swing arm; the output end of the second motor is fixedly connected with the input end of the second speed reducer; the output end of the second speed reducer is fixedly connected with the second driving wheel.

[0010] Optionally, the main frame and the left frame cooperate to form a first fork arm accommodating area for accommodating the fork arm of the AGV trolley; the main frame and the left frame cooperate to form a second fork arm accommodating area for accommodating the fork arm of the AGV trolley; a plurality of rear universal module mounting areas for mounting the rear universal wheels of the AGV trolley are arranged on the rear frame.

[0011] Optionally, the end of the first swing arm close to the first integrated driving assembly is provided with a first limiting block for preventing the first integrated driving assembly from swinging upward; the end of the first swing arm close to the first front universal wheel is provided with a second limiting block for limiting the swing amplitude of the first front universal wheel.

[0012] Optionally, the first swing arm is provided with a third limiting block near one end of the second integrated drive assembly for preventing the second integrated drive assembly from swinging upward; and the second swing arm is provided with a fourth limiting block near one end of the second front universal wheel for limiting the swing amplitude of the second front universal wheel.

[0013] An AGV trolley comprises the chassis driving structure of the AGV trolley.

[0014] In conclusion, the utility model has the following beneficial effects:

[0015] 1. The vehicle frame driving module is integrated, the swing arm structure is simple, the cost is low, and the cost of the whole vehicle can be effectively reduced.

[0016] 2. The driving module is provided with a swing arm, and when the AGV trolley drives on a bumpy terrain, dynamic swinging can be realized, so that the driving wheel is always in contact with the ground.

[0017] 3. The integrated driving module makes the disassembly and installation of the trolley chassis more convenient, effectively solves the problems of easy installation of the driving part and convenient after-sales maintenance. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is the main structure schematic diagram of the utility model;

[0019] Figure 2 is the specific structure schematic diagram of the AGV chassis frame of the utility model;

[0020] Figure 3 is the specific structure schematic diagram of the first driving module in the utility model.

[0021] In the drawing: 1, AGV chassis frame; 11, left frame; 12, right frame; 13, main frame; 14, rear frame; 2, first driving module; 21, first swing arm; 22, first bearing seat; 23, first front universal wheel; 24, first integrated drive assembly; 25, first limiting block; 26, second limiting block; 3, second driving module; 4, first installation cavity; 5, second installation cavity; 6, first fork arm accommodating area; 7, second fork arm accommodating area; 8, rear universal module installation area. DETAILED DESCRIPTION

[0022] In order to make the purpose, features and advantages of the utility model more obvious and easy to understand, the specific embodiments of the utility model are described in detail below in combination with the drawings. The drawings show several embodiments of the utility model. However, the utility model can be realized in many different forms, and is not limited to the embodiments described herein.

[0023] In the present application, unless otherwise expressly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. The terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can be explicitly or implicitly included one or more features.

[0024] In the present application, unless otherwise expressly specified and limited, the first feature "on" or "under" the second feature can include direct contact between the first and second features, or indirect contact between the first and second features through another feature therebetween. Moreover, the first feature "on", "above" and "above" the second feature includes the first feature directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes the first feature directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature. The terms "vertical", "horizontal", "left", "right", "up", "down" and similar expressions are only for the purpose of description, and are not indicative or suggestive of the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0025] The present application will be described in detail below with reference to the drawings and examples.

[0026] The present application provides an AGV trolley and chassis driving structure, as shown in Figure 1 The present application provides an AGV trolley and chassis driving structure, as shown in

[0027] In the specific implementation process, the first driving module 2 and the second driving module 3 are installed on the AGV frame to drive the AGV frame to move, thereby realizing stable driving of the AGV chassis frame 1; the first driving module 2 and the second driving module 3 are respectively arranged in the first mounting cavity 4 and the second mounting cavity 5 and are detachably connected with the AGV chassis frame 1, so that efficient driving force can be provided while the stability of the frame structure is maintained.

[0028] Further, the AGV chassis frame 1 comprises a right frame 12, a left frame 11, a main frame 13 and a rear frame 14; one end of the main frame 13 is fixedly connected with the left frame 11, and the other end is fixedly connected with the right frame 12; the rear frame 14 is fixedly connected with the main frame 13; the first mounting cavity 4 is arranged on the left frame 11; the second mounting cavity 5 is arranged on the right frame 12; the first driving module 2 is detachably connected with the left frame 11; and the second driving module 3 is detachably connected with the right frame 12.

[0029] In the first embodiment, the right frame 12, the left frame 11, the main frame 13 and the rear frame 14 are formed by sheet metal bending and square tube tailor welding, and the right frame 12, the left frame 11 and the rear frame 14 are connected with the longitudinal square tube and the transverse square tube of the main frame 13, thereby realizing the overall frame of the AGV dolly frame, and the rigidity of the overall frame is greatly improved under the strengthening of the transverse square tube and the longitudinal square tube of the main frame 13.

[0030] Further, the first driving module 2 comprises a first swing arm 21, a first bearing seat 22, a first front universal wheel 23 and a first integrated driving assembly 24; one end of the first swing arm 21 is detachably connected with the front universal wheel, and the other end is detachably connected with the first integrated driving assembly 24; one end of the first bearing seat 22 is detachably connected with the first swing arm 21, and the other end is detachably connected with the left frame 11; and the first bearing seat 22 is located on the end of the first swing arm 21 close to the first integrated driving assembly 24.

[0031] In the second embodiment, the first swing arm 21 and the first hinge seat are connected by a hinge to realize the swing of the first swing arm 21, so that the AGV dolly can flexibly adapt to the ups and downs of the ground, while maintaining good contact of the driving wheel with the ground, thereby improving the driving efficiency and the stability of walking.

[0032] Further, the second driving module 3 comprises a second swing arm, a second bearing seat, a second front universal wheel, and a second integrated driving assembly. One end of the second bearing seat is detachably connected with the second swing arm. The second bearing seat is located in the middle of the second swing arm. One end of the second swing arm is detachably connected with the second front universal wheel, and the other end is detachably connected with the second integrated driving assembly. One end of the second bearing seat is detachably connected with the second swing arm, and the other end is detachably connected with the right frame. The second bearing seat is located on one end of the second swing arm close to the second integrated driving assembly.

[0033] In embodiment three, the second swing arm is connected with the second hinge seat through a hinge connection to realize the swing of the second swing arm, so that the AGV trolley can flexibly adapt to the ups and downs of the ground while maintaining good contact of the driving wheels with the ground, thereby improving the driving efficiency and the stability of walking.

[0034] Further, the first integrated driving assembly 24 comprises a first driving wheel, a first speed reducer, and a first motor. The first motor is detachably connected with the first swing arm. The output end of the first motor is fixedly connected with the input end of the first speed reducer. The output end of the first speed reducer is fixedly connected with the first driving wheel.

[0035] Specifically, the design of the first integrated driving assembly 24 realizes efficient power transmission and precise speed control by integrating the first driving wheel, the first speed reducer, and the first motor. This componentized design facilitates maintenance and replacement, thereby improving the running efficiency and reliability of the AGV trolley.

[0036] Further, the second integrated driving assembly comprises a second driving wheel, a second speed reducer, and a second motor. The second motor is detachably connected with the second swing arm. The output end of the second motor is fixedly connected with the input end of the second speed reducer. The output end of the second speed reducer is fixedly connected with the second driving wheel.

[0037] Specifically, the design of the second integrated driving assembly is the same as that of the first integrated driving assembly 24, which also provides efficient power transmission and precise speed control. This design ensures that the driving forces on both sides of the AGV trolley are balanced during driving, thereby further improving the motion stability of the trolley.

[0038] Further, the main frame 13 cooperates with the left frame 11 to form a first fork arm receiving area 6 for accommodating the fork arm of the AGV trolley. The main frame 13 cooperates with the left frame 11 to form a second fork arm receiving area 7 for accommodating the fork arm of the AGV trolley. The rear frame 14 is provided with a plurality of rear universal module mounting areas 8 for mounting the rear universal wheels of the AGV trolley.

[0039] Specifically, the forked arm accommodation area formed by the main frame 13 and the left and right frames 12 in cooperation, and the rear universal module mounting area 8 on the rear frame 14 provide convenience for expansion and modification of the AGV trolley; such design enables the AGV trolley to be quickly adjusted and configured according to different use requirements, thereby increasing the applicability and flexibility of the trolley.

[0040] Further, the first swing arm is provided with a first limiting block 25 near one end of the first integrated driving assembly for preventing the first integrated driving assembly from swinging upward; and the first swing arm is provided with a second limiting block 26 near one end of the first front universal wheel 23 for limiting the swing amplitude of the first front universal wheel 23.

[0041] Specifically, the first limiting block 25 and the second limiting block 26 on the first swing arm 21 effectively limit the swing amplitude of the first integrated driving assembly and the first front universal wheel 23, prevent mechanical damage and unstable driving caused by excessive swing, and improve the safety and reliability of the trolley.

[0042] Further, the first swing arm is provided with a third limiting block near one end of the second integrated driving assembly for preventing the second integrated driving assembly from swinging upward; and the second swing arm is provided with a fourth limiting block near one end of the second front universal wheel for limiting the swing amplitude of the second front universal wheel.

[0043] Specifically, the third limiting block and the fourth limiting block on the second swing arm have the same effect as the limiting blocks of the first swing arm 21, further ensuring the stable operation of the second integrated driving assembly and the second front universal wheel, and reducing the potential risk of failure.

[0044] An AGV trolley comprises the above-mentioned chassis driving structure of the AGV trolley.

[0045] The AGV trolley and the chassis driving structure can effectively solve the problem of greatly reduced service life of the whole vehicle caused by insufficient rigidity of the vehicle frame, and the vehicle frame driving module is designed as an integrated driving module, the swing arm structure is simple, the manufacturing cost is low, and the cost of the whole vehicle can be effectively reduced; the driving module is provided with a swing arm, which can swing dynamically when the AGV trolley drives on a bumpy terrain, so that the driving wheel is always in contact with the ground; the integrated driving module makes the disassembly and installation of the trolley chassis more convenient, effectively solves the problems of easy installation of the driving part and convenient after-sales maintenance.

[0046] The above merely is preferred implementation manner of the present application, the protection scope of the present application is not only limited to the above examples, and belongs to the protection scope of the present application for the technical scheme under the idea of the present application.All should be pointed out, for the ordinary skill in the art of the present technology, under the prerequisite of not departing from the principle of the present application, a number of improvements and refinements, these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A chassis drive structure of an AGV trolley, characterized in that, The AGV chassis frame, the first driving module for driving the AGV chassis frame to move, and the second driving module for driving the AGV chassis frame to move are provided; the first mounting cavity and the second mounting cavity are arranged on the AGV chassis; The first driving module is arranged in the first mounting cavity, and the first driving module is detachably connected with the AGV chassis frame; the second driving module is arranged in the second mounting cavity, and the second driving module is detachably connected with the AGV chassis frame. The AGV chassis frame comprises a right frame, a left frame, a main frame and a rear frame; 2. The chassis drive structure of the AGV according to claim 1, characterized in that, One end of the main frame is fixedly connected with the left frame, and the other end is fixedly connected with the right frame; the rear frame is fixedly connected with the main frame; The first mounting cavity is arranged on the left frame; the second mounting cavity is arranged on the right frame; the first driving module is detachably connected with the left frame; and the second driving module is detachably connected with the right frame. The first driving module comprises a first swing arm, a first bearing seat, a first front universal wheel and a first integrated driving assembly; 3. The chassis drive structure of an AGV according to claim 2, characterized in that, One end of the first swing arm is detachably connected with the front universal wheel, and the other end is detachably connected with the first integrated driving assembly; One end of the first bearing seat is detachably connected with the first swing arm, and the other end is detachably connected with the left frame; the first bearing seat is located on one end of the first swing arm close to the first integrated driving assembly. The second driving module comprises a second swing arm, a second bearing seat, a second front universal wheel and a second integrated driving assembly; 4. The chassis drive structure of an AGV according to claim 3, characterized in that, One end of the second bearing seat is detachably connected with the second swing arm; the second bearing seat is located in the middle of the second swing arm; One end of the second swing arm is detachably connected with the second front universal wheel, and the other end is detachably connected with the second integrated driving assembly; One end of the second bearing seat is detachably connected with the second swing arm, and the other end is detachably connected with the right frame; the second bearing seat is located on one end of the second swing arm close to the second integrated driving assembly. The first integrated driving assembly comprises a first driving wheel, a first speed reducer and a first motor; 5. The chassis drive structure of an AGV according to claim 3, characterized in that, The first motor is detachably connected with the first swing arm; the output end of the first motor is fixedly connected with the input end of the first speed reducer; and the output end of the first speed reducer is fixedly connected with the first driving wheel. The second integrated driving assembly comprises a second driving wheel, a second speed reducer and a second motor; 6. The chassis drive structure of an AGV according to claim 4, characterized in that, The second motor is detachably connected with the second swing arm; the output end of the second motor is fixedly connected with the input end of the second speed reducer; and the output end of the second speed reducer is fixedly connected with the second driving wheel. The main frame and the left frame cooperatively form a first fork arm accommodating area for accommodating the fork arm of the AGV trolley; the main frame and the left frame cooperatively form a second fork arm accommodating area for accommodating the fork arm of the AGV trolley; and a plurality of rear universal module mounting areas for mounting the rear universal wheels of the AGV trolley are arranged on the rear frame.

7. The chassis drive structure of an AGV according to claim 2, characterized in that, ​ 8. The chassis drive structure of an AGV according to claim 3, characterized in that, The first swing arm is provided with a first limiting block near one end of the first integrated driving assembly for preventing the first integrated driving assembly from swinging upward; and the first swing arm is provided with a second limiting block near one end of the first front universal wheel for limiting the swing amplitude of the first front universal wheel.

9. The chassis drive structure of an AGV according to claim 4, characterized in that, The first swing arm is provided with a third limiting block near one end of the second integrated driving assembly for preventing the second integrated driving assembly from swinging upward; and the second swing arm is provided with a fourth limiting block near one end of the second front universal wheel for limiting the swing amplitude of the second front universal wheel.

10. An AGV vehicle, characterized by A chassis driving structure comprising an AGV trolley as claimed in any one of claims 1-9.

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