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Correction device of multi-axle steering vehicle

A technology for vehicles and steering systems, applied in the direction of hydraulic steering gear, etc., can solve the problems of poor driving return, steering wheel drift, and poor return, and achieve the effect of improving handling stability, flexible installation and obvious effect.

Active Publication Date: 2010-11-03
ZOOMLION HEAVY IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] At present, the multi-axle steering mobile cranes have poor driving return, that is to say, after the driver realizes the steering of the vehicle through the above process, the tires lack the ability to return to the straight driving state
[0008] With the increasing use of heavy-duty multi-axle engineering vehicles, the higher and higher requirements of users for vehicle performance, and the stricter and stricter regulations on the safe operation of vehicles in various countries in the world, the existing multi-axle steering vehicles have poor driving performance. The problem is becoming more and more prominent
[0009] Especially when the multi-axle steering vehicle is running at high speed, there are problems such as the steering wheel flutters and the tail swings, and the vehicle cannot keep driving in a straight line, which seriously affects the handling stability, driving comfort and safety of the vehicle.
There are no effective measures to improve these problems

Method used

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  • Correction device of multi-axle steering vehicle
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  • Correction device of multi-axle steering vehicle

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Embodiment Construction

[0030] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways defined and covered by the claims.

[0031] figure 1 A schematic diagram showing the structure of a steering system of a multi-axle steering vehicle according to the present invention. Such as figure 1 As shown, the steering rod 11 is connected with the steering wheel (not shown) through other elements, and the driver turns the steering wheel so that the steering rod 11 pushes (or pulls) the steering vertical rocker 13 around O 1 Rotate, and then pull (or promote) and turn to the straight pull rod 15, so just pull (or promote) wheel 19 to rotate around kingpin 17, realize the steering of vehicle. Turn to the end of the vertical rocker arm 13 to be provided with a positive return device 20, one end of the positive return device 20 is movably connected to the frame body (not shown), an...

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Abstract

The invention discloses a correction device of a multi-axle steering vehicle, which comprises an elastic element, wherein one end part of the elastic element is movably connected to a steering vertical rocker arm through a first spherical hinge and the other end part is movably connected to an adjusting seat through a second spherical hinge, and the adjusting seat is fixed on a frame body of the multi-axle steering vehicle. The correction device ensures that the multi-axle steering vehicle automatically corrects the function of keeping straight running when in curved running and especially has more remarkable effect when in high-speed driving. The correction device can attenuate the wheel wobble of a rear steering axle when the multi-axle steering vehicle runs, thereby improving the operation stability of the vehicle. In addition, by arranging the adjusting seat, the installing position of the elastic element can be adjusted, and the same correction device is flexibly and changeably installed on different positions of a steering system.

Description

technical field [0001] The invention relates to a forward return device of a multi-axle steering vehicle. Background technique [0002] With the increase of the self-weight of engineering vehicles, the growth of the body and the increase of the number of axles, multi-axle steering must be relied on to meet the flexibility of the vehicle, so multi-axle steering vehicles with three or more axles have appeared. [0003] The relevant technical terms in multi-axle steering vehicles are explained below. [0004] Handling stability: The handling stability of a car includes two parts that are related to each other, one is maneuverability, and the other is stability. Maneuverability means that the car can turn in time and accurately according to the driver's steering command; stability means that the car can return to the normal driving direction after being disturbed by the outside world, without slipping, overturning, loss of control, etc. [0005] Wheel chatter: Wheel and tire c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62D3/14
Inventor 詹纯新刘权王启涛宁介雄张建军张虎
Owner ZOOMLION HEAVY IND CO LTD
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