Nonlinear seat suspension and driving seat

A non-linear, suspension technology, applied in the field of vehicles, can solve the problems of poor shock absorption, complex system, high cost, etc., and achieve the effect of simple design, vibration isolation frequency bandwidth, and extended service life

Pending Publication Date: 2018-11-30
SOUTH CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0005] The purpose of the present invention is to overcome the defects and deficiencies of the existing driving seat suspen...

Method used

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  • Nonlinear seat suspension and driving seat
  • Nonlinear seat suspension and driving seat
  • Nonlinear seat suspension and driving seat

Examples

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Embodiment 1

[0042] This embodiment provides a nonlinear seat suspension, such as Figure 1~2 , including a frame body 1, the frame body 1 includes an upper suspension 101, a vertical suspension 102 and a lower chassis 103, and the vertical suspension 102 is provided with elastic compression parts 2 connected with the upper suspension 101 and the lower chassis 103 respectively, Both sides of the vertical suspension 102 are symmetrically provided with cams 3; each cam 3 is provided with a rolling mechanism 5 away from the side contact of the vertical suspension 102, and the rolling mechanisms 5 are connected by elastic stretching parts 4, and the rolling mechanism 5 A horizontal sliding mechanism 6 is provided on the side away from the elastic stretching member 4 .

[0043] In this embodiment, the elastic compression part 2 is a compression spring; the cam 3 is an elliptical cam, and the long axis of the cam 3 is arranged in the vertical direction; the elastic stretch part 4 is a tension sp...

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PUM

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Abstract

The invention relates to a nonlinear seat suspension and a driving seat. The nonlinear seat suspension comprises a suspension body; the suspension body comprises an upper suspension, a vertical suspension and a lower chassis; an elastic compression part correspondingly connected with the upper suspension and the lower chassis is arranged the vertical suspension; cams are arranged on the two sidesof the vertical suspension; a rolling mechanism is arranged on the side surface, far away from the vertical suspension, of each cam; the rolling mechanisms are connected with each other through an elastic stretching part; and horizontal sliding mechanisms are arranged on the side surfaces, far away from the elastic stretching part, of the rolling mechanisms. According to the nonlinear seat suspension, advantages of nonlinear contact, wide vibration isolation frequency band, low static rigidity, high dynamic rigidity and so on can be realized; a situation that the vibration travel and static displacement are large due to a requirement on the low rigidity in the linear suspension moving process is eliminated; the better comfort level is realized; the design is simple.

Description

technical field [0001] The invention belongs to the field of vehicles, and more specifically relates to a nonlinear seat suspension and a driver's seat. Background technique [0002] The driving chairs currently used in the market are especially those used in wheeled tractors and forklifts. Functions that are very important to the driver, such as driving functions and providing driving comfort, are not represented. [0003] The vibration damage suffered by the driver during work mainly comes from low-frequency vibrations. The stiffness of the existing driving seat suspension is relatively large, and the natural frequency of the seat suspension system becomes large, and the attenuation of the vibration caused by low frequencies is reduced. Rarely, it does not achieve the purpose of improving driver comfort. On the other hand, if the stiffness is small, the seat will cause a large displacement when the driver touches the seat. If the vehicle vibrates strongly during driving,...

Claims

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Application Information

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IPC IPC(8): B60N2/50
CPCB60N2/502B60N2/505
Inventor 高锐涛汪洋刘志翔陈勇旭杨洲
Owner SOUTH CHINA AGRI UNIV
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