Modular chassis frame structure for unmanned vehicle

By using a modular chassis frame structure with a blocking ring and drive mechanism, the problems of wheel wear and slippage on muddy roads in unmanned vehicles have been solved, achieving wheel protection and improved driving capability.

CN223520948UActive Publication Date: 2025-11-07HUNAN BEIYU INTELLIGENT TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422832673.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-20
Publication Date
2025-11-07
Estimated Expiration
2034-11-20

AI Technical Summary

Technical Problem

The chassis structure of unmanned vehicles is simple, and the sides of the wheels are prone to wear and tear and slipping and sinking on muddy roads, which affects their service life and driving ability.

Method used

A modular chassis frame structure is designed, which uses a retaining ring to protect the sides of the wheels and pushes the vehicle out of the mud by rotating the retaining ring. The retaining ring is dynamically adjusted by a drive mechanism and a cylinder.

Benefits of technology

It effectively protects the wheels from wear, reduces the probability of getting stuck, and ensures smooth vehicle movement.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223520948U_ABST
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Abstract

The modularized chassis frame structure for the unmanned vehicle comprises a chassis and wheels installed on the two sides of the chassis, blocking rings are arranged on the outer sides of the wheels, top plates are installed on the two sides of the chassis, vertical plates are installed on the outer ring faces of the blocking rings, and fixing plates are arranged on the top plates. First sealing bearings are installed at the positions, right opposite to the vertical plates, of the fixing plates in an embedded mode, shaft rods are installed in inner rings of the first sealing bearings, one ends of the shaft rods are fixedly connected with the vertical plates, positioning holes are perpendicularly formed in the shaft rods, and positioning columns are arranged in the positioning holes. The wheel is simple in structure, the blocking ring is arranged on the outer side of the wheel, the side face of the wheel can be prevented from being rubbed through the blocking ring, the service life of the wheel is guaranteed, the blocking ring can descend, the blocking ring can lift the sunken side of a vehicle, the sunken side of the vehicle can move forwards after rotation, and therefore the probability of vehicle sinking can be reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to unmanned vehicle technical field, concretely relates to a modular chassis frame structure for unmanned vehicle. BACKGROUND

[0002] Unmanned vehicle, also called unmanned driving car, computer driving car or wheeled mobile robot, is a kind of intelligent car that realizes unmanned driving through computer system.

[0003] But the chassis structure on the unmanned vehicle is simple now, lacks the protection of the wheel, when driving more on the side, the side of the wheel is easy to rub with the road shoulder, thereby causing the abrasion of the side of the wheel, influencing the service life of the wheel, and once driving on the muddy road, easy to appear the situation of skidding subsidence, causes the wheel to be unable to advance. SUMMARY

[0004] The utility model wants to solve the technical problem to provide a modular chassis frame structure for unmanned vehicle, the side of the wheel can be protected through the blocking ring, and the blocking ring can rotate, the vehicle can be pushed out from the mud through the rotating mode, to solve the problem raised in the background art.

[0005] The utility model is through following technical scheme to realize: a modular chassis frame structure for unmanned vehicle, including chassis and the wheel installed in the both sides of chassis, the outside of wheel is equipped with the blocking ring, the both sides of chassis are installed with the roof, and the roof is set up in the top of wheel, and the outer ring surface of blocking ring is installed with the vertical board, and the other end of vertical board extends to the top of roof, and the roof is equipped with the fixed plate, and the first sealed bearing is installed with the first sealed bearing in the fixed plate, and the inner ring of first sealed bearing is installed with the shaft rod, and one end of shaft rod is connected with vertical board, and the vertical position of shaft rod is equipped with the positioning hole, and the positioning hole is equipped with the positioning column, and the one end of positioning column is installed with the positioning assembly that drives the synchronous belt to move up and down, and the driving mechanism that drives every row of shaft rod to rotate synchronously is installed on the fixed plate.

[0006] As preferred technical scheme, the fixed plate is installed with a plurality of top frames, and the through hole is arranged on the top frame of the roof, and a plurality of first air cylinders are installed on the bottom surface of the roof, and the piston rod of first air cylinder passes through the through hole and is installed on the top frame.

[0007] As a preferred technical scheme, the driving mechanism comprises a speed reducer motor, a synchronous belt, a plurality of synchronous wheels and a plurality of tension pulleys, the synchronous wheels are all installed on the other end of the shaft rods, the synchronous belt is installed outside the plurality of synchronous wheels, the plurality of tension pulleys are arranged outside the middle synchronous wheel, the synchronous belt outside the middle synchronous wheel is compressed by the tension pulleys and is arranged in close contact with the middle synchronous wheel, the speed reducer motor is fixedly connected with one of the shaft rods, a motor bracket is arranged between the speed reducer motor and the fixed plate, a second sealing bearing is arranged in the central hole of the tension pulley, and a rotating shaft is arranged in the inner ring of the second sealing bearing.

[0008] As a preferred technical scheme, the positioning assembly comprises a lifting plate and a plurality of second cylinders, the lifting plate is installed on the piston rod of each row of cylinders, and one end of the positioning column is installed on the lifting plate.

[0009] As a preferred technical scheme, the blocking ring is not in contact with the wheel, and the diameter of the blocking ring is smaller than the diameter of the wheel.

[0010] As a preferred technical scheme, the first cylinder is fixed between the top frame through a connecting flange.

[0011] The utility model discloses the beneficial effect is: the utility model discloses simple structure, the outside of wheel is equipped with the blocking ring, can avoid the side of wheel to be rubbed through the blocking ring, to ensure the service life of wheel, and the blocking ring can descend, make the blocking ring can lift the side of vehicle to be trapped, and can make the side of being trapped advance after rotating, thereby can reduce the probability of trapped car. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be briefly introduced the drawing needed to be used in the embodiment or prior art description, obviously, the drawing in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, still can obtain other drawings according to these drawings.

[0013] Figure 1 It is the overall structure schematic diagram of the utility model;

[0014] Figure 2 It is the side view of the utility model;

[0015] Figure 3 The rear view of the utility model.

[0016] Among them, 1, chassis;2, blocking ring;3, vertical board;4, top plate;5, fixed plate;6, synchronous wheel;7, synchronous belt;8, tension pulley;9, top frame;10, lifting plate;11, positioning column;12, second cylinder;13, shaft rod;14, speed reducer motor;15, first cylinder. Detailed Implementation

[0017] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0018] All features disclosed in this specification, or all steps in all disclosed methods or processes, may be combined in any way, except for mutually exclusive features and / or steps.

[0019] Any feature disclosed in this specification (including any appended claims, abstract, and drawings) may be replaced by other equivalent or similar features, unless specifically stated otherwise. That is, unless specifically stated otherwise, each feature is merely one example of a series of equivalent or similar features.

[0020] like Figure 1 , Figure 2 and Figure 3 As shown, this utility model discloses a modular chassis frame structure for unmanned vehicles, including a chassis 1 and wheels mounted on both sides of the chassis 1. Each wheel has a blocking ring 2 on its outer side. Each side of the chassis 1 has a top plate 4 mounted on its sides, and the top plate 4 is positioned above the wheels. A vertical plate 3 is mounted on the outer ring surface of the blocking ring 2, and the other end of the vertical plate 3 extends above the top plate 4. Each top plate 4 has a fixing plate 5. Each fixing plate 5 has a first sealed bearing embedded in it, directly opposite the vertical plate 3. Each first sealed bearing has a shaft 13 mounted in its inner ring. One end of each shaft 13 is fixedly connected to the vertical plate 3. Each shaft 13 has a vertically positioned hole, and each positioning hole has a positioning post 11. One end of each positioning post 11 is equipped with a positioning component that synchronously drives the positioning post 11 to move up and down. The fixing plate 5 is equipped with a drive mechanism that drives each row of shafts 13 to rotate synchronously.

[0021] In this embodiment, multiple top brackets 9 are installed on the fixed plate 5. The top plate 4 is provided with through holes opposite to the top brackets 9. Multiple first cylinders 15 are installed on the bottom surface of the top plate 4. The piston rods of the first cylinders 15 pass through the through holes and are installed on the top brackets 9.

[0022] In the embodiment, the driving mechanism comprises a speed reducer motor 14, a synchronous belt 7, a plurality of synchronous wheels 6 and a plurality of tension pulleys 8, the synchronous wheels 6 are all mounted on the other end of the shaft rod 13, the synchronous belt 7 is mounted outside the plurality of synchronous wheels 6, the plurality of tension pulleys 8 are arranged outside the intermediate synchronous wheel 6, the synchronous belt 7 outside the intermediate synchronous wheel 6 is pressed and arranged in close contact with the intermediate synchronous wheel 6 through the tension pulley 8, the speed reducer motor 14 is fixedly connected with one of the shaft rods 13, a motor bracket is arranged between the speed reducer motor 14 and the fixed plate 5, a second sealing bearing is arranged in the center hole of the tension pulley 8, a rotating shaft is arranged in the inner ring of the second sealing bearing, and one end of the rotating shaft is mounted on the fixed plate 5.

[0023] The intermediate synchronous wheel can press the synchronous belt through the tension pulley, so that the synchronous belt can increase the contact area with the intermediate synchronous wheel, and slipping is avoided, so that all the synchronous wheels can be synchronously driven to rotate.

[0024] In the embodiment, the positioning assembly comprises a lifting plate 10 and a plurality of second cylinders 12, the lifting plate 10 is mounted on the piston rod of each row of cylinders, one end of the positioning column 11 is mounted on the lifting plate 10, and the second cylinder is mounted on the top frame, so that the second cylinder, the lifting plate and the positioning column are fixed with the top frame and the fixed plate.

[0025] In the embodiment, the blocking ring 2 does not contact the wheel, and the diameter of the blocking ring 2 is smaller than the diameter of the wheel, so that the driving is not affected.

[0026] In the embodiment, the first cylinder 15 is fixed between the top frame 9 through a connecting flange, after the bolts on the connecting flange are removed, the top frame can be disassembled, and after the top frame is disassembled, the first cylinder is removed, and the remaining components are disassembled at one time, so that the replacement is facilitated.

[0027] The outer side of the wheel is provided with a blocking ring, and the blocking ring can avoid friction between the road shoulder and other protruding bottom objects and the side of the vehicle, so as to ensure the service life of the wheel.

[0028] After the vehicle is trapped, the first cylinder on the trapped side is started, the piston rod of the first cylinder is retracted, the movement of the piston rod drives the top frame, the fixed plate, the shaft rod, the vertical plate and the blocking ring to descend, the blocking ring is embedded into the muddy road, and the trapped side is lifted up, in order to smoothly move the vehicle out of the trapped area, the second cylinder is started, the piston rod of the second cylinder is retracted, the movement of the piston rod drives the lifting plate and the positioning column, the positioning column can be pulled out of the positioning hole, after the blocking of the positioning column is lost, the speed reducer motor is started, the starting of the speed reducer motor drives the synchronous wheel and the synchronous belt, the rotation of the synchronous wheel drives the shaft rod, the shaft rod drives the vertical plate and the blocking ring, and the rotating blocking ring can push the wheel out of the trapped place, so as to reduce the probability of vehicle trapping.

[0029] The above merely describes a specific implementation of the present application, but the protection scope of the present application is not limited thereto, any change or replacement not through creative labor should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be limited by the protection scope defined in the claims.

Claims

1. A modular chassis frame structure for an unmanned vehicle, characterized by: The utility model provides a kind of vehicle, including chassis (1) and the wheel mounted on both sides of chassis (1), the outer side of the wheel is equipped with blocking ring (2), both sides of chassis (1) are equipped with top plate (4), top plate (4) is set above the wheel, blocking ring (2) is equipped with vertical plate (3) on the outer circle surface, the other end of vertical plate (3) extends to the above of top plate (4), top plate (4) is equipped with fixed plate (5), first sealing bearing is embeddedly mounted in first sealing bearing in fixed plate (5) just opposite vertical plate (3), shaft rod (13) is mounted in the inner ring of first sealing bearing, one end of shaft rod (13) is fixedly connected with vertical plate (3), positioning hole is vertically provided on shaft rod (13), positioning column (11) is arranged in positioning hole, positioning column (11) is equipped with positioning assembly that drives positioning column (11) to move up and down, driving mechanism is mounted on fixed plate (5) and drives every row of shaft rod (13) to rotate synchronously.

2. The modular chassis frame structure for an unmanned vehicle as claimed in claim 1, wherein: Fixed plate (5) is equipped with multiple top frames (9), top plate (4) is equipped with through hole just opposite top frame (9), first cylinder (15) is mounted on the bottom surface of top plate (4), the piston rod of first cylinder (15) passes through through hole and is mounted on top frame (9).

3. The modular chassis frame structure for an unmanned vehicle as claimed in claim 1, wherein: Driving mechanism includes reduction motor (14), synchronous belt (7), multiple synchronous wheels (6) and slack wheel (8), synchronous wheel (6) is mounted on the other end of shaft rod (13), synchronous belt (7) is mounted on the outside of multiple synchronous wheels (6), multiple slack wheel (8) is arranged outside intermediate synchronous wheel (6), synchronous belt (7) outside intermediate synchronous wheel (6) is compressed by slack wheel (8) and is arranged with intermediate synchronous wheel (6) and is pasted, reduction motor (14) is fixedly connected with one of shaft rod (13), motor frame is mounted between reduction motor (14) and fixed plate (5), second sealing bearing is mounted in the center hole of slack wheel (8), rotating shaft is mounted in the inner ring of second sealing bearing, one end of rotating shaft is mounted on fixed plate (5).

4. The modular chassis frame structure for an unmanned vehicle of claim 1, wherein: Positioning assembly includes lifting plate (10) and multiple second cylinders (12), lifting plate (10) is mounted on the piston rod of every row of cylinder, one end of positioning column (11) is mounted on lifting plate (10).

5. The modular chassis frame structure for an unmanned vehicle as claimed in claim 1, wherein: Blocking ring (2) is not in contact with wheel, and the diameter of blocking ring (2) is less than the diameter of wheel.

6. The modular chassis frame structure for an unmanned vehicle as claimed in claim 2, wherein: First cylinder (15) and top frame (9) are fixed by connecting flange.