Step-type spring supporting vehicle axle load measurement device

A measuring device and a stepped technology, applied in the field of automobile axle load weighing device, can solve the problems of increasing equipment investment cost, not having overload protection function, unable to adapt to the requirements of a large variation range of motor vehicle axle load, etc., and achieving low manufacturing cost. , the effect of simple structure

Inactive Publication Date: 2010-02-10
ZHEJIANG UNIV
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AI Technical Summary

Problems solved by technology

There is a contradiction between the measuring range and the absolute accuracy of this kind of fixed sensor, and it cannot meet the requirements of a large range of motor vehicle axle load changes, so that relevant departments have to invest in multiple sets of testing equipment with different measuring ranges to meet the needs of different vehicles (heavy vehicles, small vehicles, tractors, Motorcycle) inspection requirements increase the cost of equipment investment
In addition, the existing motor vehicle detection line axle load measurement device does not have the function of overload protection

Method used

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  • Step-type spring supporting vehicle axle load measurement device
  • Step-type spring supporting vehicle axle load measurement device
  • Step-type spring supporting vehicle axle load measurement device

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Embodiment Construction

[0014] The purpose and effects of the present invention will become more apparent by referring to the accompanying drawings in detail of the present invention.

[0015] Such as figure 1 and figure 2 As shown, the vehicle axle load measuring device with stepped spring support of the present invention includes: an axle load weighing plate 1 , a spring weighing platform 2 , a metal guide column 3 , and a guide frame 4 . There are 4N spring weighing platforms 2, and N is a natural number, which is symmetrical and arranged in four corners of the pit in a stepped manner ( figure 1 Shown that each corner is 3 spring weighing platforms 2, the embodiment of 12 spring weighing platforms 2 altogether in the whole device, but the present invention is not limited thereto, each corner can be any number of spring weighing platforms 2, And the outside is high and the inside is low in a stepped arrangement), when the device of the present invention is in a no-load state, there is only one s...

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Abstract

The invention discloses a step-type spring supporting vehicle axle load measurement device which is arranged on a pit and comprises an axle load weighing plate, spring weighing platforms, metal guideposts and guide frames; wherein the spring weighing platforms are symmetrically arranged at the four corners of the pit in a step form in a way of high inside and low outside and used for supporting the axle load weighing plate; the metal guide posts are square and evenly fixed in the pit; the guide frames are welded at the lower part of the axle load weighing plate, and each guide frame is formedby four guide frame units which are respectively arranged at the four sides of the metal guide post and matched therewith. The device can accurately measure the vehicle axle load, realizes overload protection of a sensor, and is simple in structure and low in manufacturing cost.

Description

technical field [0001] The invention relates to a vehicle axle load weighing device, in particular to a stepped spring supported vehicle axle load measuring device. Background technique [0002] At present, the general-purpose motor vehicle detection line axle load measuring device on the market generally fixes a strain gauge pressure sensor under the four corners of the load-bearing table. There is a contradiction between the measuring range and absolute accuracy of this fixed sensor, and it cannot meet the requirements of a large range of motor vehicle axle load changes, so that relevant departments have to invest in multiple sets of testing equipment with different measuring ranges to meet different vehicles (heavy vehicles, small vehicles, tractors, Motorcycle) detection requirements, increased equipment input costs. In addition, the existing motor vehicle detection line axle load measuring device does not have the function of overload protection. Contents of the inve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01G19/02G01G19/03G01G21/23
Inventor 何文华吕胤鼎顾赟熊树生
Owner ZHEJIANG UNIV
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