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a vehicle chassis

A chassis and vehicle technology, which is applied to vehicle components, substructures, transportation and packaging, etc., can solve the problems of poor passability and difficulty in passing the chassis, and achieve the effect of good passability and simple structure.

Inactive Publication Date: 2015-12-09
禹城市亚泰机械制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

And the height of the frame is fixed, and the gap between the bottom surface of the frame and the ground (called the ground gap) is also fixed. Therefore, when there are obstacles above the road, obstacles on the road, or narrow roads, it is not easy to pass. , poor passability of the chassis

Method used

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  • a vehicle chassis
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Experimental program
Comparison scheme
Effect test

specific Embodiment 1

[0027] like figure 1 and figure 2 A specific embodiment is shown, which includes a vehicle frame 1 and two left and right wheel frames 4, the vehicle frame 1 is connected with the left wheel frame 4 and the right wheel frame 4 respectively through a parallel four-bar linkage mechanism, the left wheel frame 4 and the right wheel frame The wheel frame 4 serves as a link in the corresponding parallelogram mechanism, and the line connecting the two connection points on the corresponding wheel frame 4 in the parallelogram mechanism is in the transverse direction. The vehicle frame 1 acts as a connecting rod parallel to the corresponding wheel frame 4 in each parallel four-bar linkage mechanism, and the other two connecting rods in the parallel four-bar linkage mechanism are two parallel main swing arms 3, and the main swing arm 3 is the last well set to figure 2 The H type shown, the two main swing arms are H type, the two upper ends of each main swing arm 3 are hinged with the...

specific Embodiment 2

[0028] like image 3 A specific embodiment is shown, which includes a vehicle frame 1 and two left and right wheel frames 4, the vehicle frame 1 is connected with the left wheel frame 4 and the right wheel frame 4 respectively through a parallel four-bar linkage mechanism, the left wheel frame 4 and the right wheel frame The wheel frame 4 serves as a link in the corresponding parallelogram linkage mechanism, and the line connecting the two connection points on the corresponding wheel frame 4 in the parallelogram mechanism is in the vertical direction. The vehicle frame 1 is provided with a lead screw screw nut mechanism, and the screw nut 7 is rotated and arranged on the vehicle frame 1. The lead screw 6 is threadedly connected with the screw nut 7, and the lead screw 6 acts as a connection parallel to the corresponding wheel frame in the parallel four-bar linkage mechanism. rod, and the parallel four-bar linkages on the left and right sides share a connecting rod that is serv...

specific Embodiment 3

[0029] like Figure 4 A specific embodiment shown, it and image 3 The difference of the shown embodiment two is that the oil cylinder 2 is used to replace the screw nut mechanism and the power device, and the oil cylinder 2 is used to drive the wheel frame 4 to swing. The cylinder body of the oil cylinder 2 is fixed on the vehicle frame 1, the piston rod of the oil cylinder 2 is vertically arranged, and the connecting rod parallel to the corresponding wheel frame 4 in the parallel four-bar linkage mechanism is the piston rod of the oil cylinder 2. And the parallel four-bar linkage mechanisms on the left and right sides share a connecting rod that is served by the piston rod of the oil cylinder 2 .

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Abstract

The invention discloses a vehicle chassis. The vehicle chassis comprises a frame, a left wheel carrier and a right wheel carrier, wherein the frame is connected with the left and right wheel carriers through parallel four-bar mechanisms respectively, each of the left wheel carrier and the right wheel carrier is one connecting bar of each corresponding parallel four-bar mechanism, the connecting bars parallel to corresponding wheel carriers in the four-bar mechanisms form the frame, or the connecting bars parallel to the corresponding wheel carriers in the parallel four-bar mechanisms are arranged on the frame in a vertically sliding mode, and drive devices for driving the left and right wheel carriers to swing laterally relative to the frame are arranged on the frame. According to the vehicle chassis, the frame and the wheel carriers are connected through the parallel four-bar mechanisms, so that the wheel carriers can swing laterally relative to the frame, the distance between the left and right wheel carriers can be adjusted, the adjusted wheel carriers are ensured not to turn over relative to the frame, the normal running state can be guaranteed, and four parameters, including the wheel track, the height of the chassis, the ground clearance and the width of the chassis can be adjusted by the same mechanism.

Description

technical field [0001] The invention relates to a vehicle chassis. Background technique [0002] Cars often encounter different road conditions while driving. For agricultural machines, the road conditions change even more. Due to the different planting widths of crops, agricultural machines of the same wheel base can only be adapted to one planting width of crops, and will crush the crops when used for other planting widths of crops. [0003] Chinese patent CN201110442586.3 discloses an agricultural vehicle chassis with adjustable wheelbase. Two sets of agricultural vehicle wheelbase adjustment devices share the longitudinal central plane of the vehicle on the frame according to the wheelbase. The two sets of wheelbase adjustment devices pass through The horizontal rails of the bracket are fixedly connected with the front end and the rear end of the frame respectively to form an agricultural vehicle chassis with adjustable wheel base; , wheels and brackets; the distance ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62D21/14
Inventor 程广森
Owner 禹城市亚泰机械制造有限公司