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Portable dynamic wheel type calibrator for roller opposite force type automobile brake inspection bench

A technology of automobile braking and reaction force, which is applied in the field of detectors, can solve the problem that the braking force cannot be accurately measured, and achieve the effect of high authenticity and accuracy

Active Publication Date: 2015-04-15
浙江江兴汽车检测设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the brake test bench with qualified static test results and the actual test results of the vehicle brake test bench are sometimes very different, and the real braking force of the vehicle cannot be accurately measured on the brake test bench.

Method used

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  • Portable dynamic wheel type calibrator for roller opposite force type automobile brake inspection bench
  • Portable dynamic wheel type calibrator for roller opposite force type automobile brake inspection bench
  • Portable dynamic wheel type calibrator for roller opposite force type automobile brake inspection bench

Examples

Experimental program
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Embodiment Construction

[0011] The present invention will be further described below in conjunction with accompanying drawing and embodiment:

[0012] Such as Figure 1-4 As shown, the portable dynamic wheel-type tester of the roller reaction force automobile brake test bench includes a brake force loading and detection device 1, a wheel loader 2, a brake device 3 and a simulated tire device 4; the brake device 3 and The simulated tire device 4 is installed on the lower frame 5, and the braking device 3 is connected with the simulated tire device 4 transmissions, and the present embodiment is connected by a sprocket chain (such as image 3 Shown, sprocket wheel one 22 and sprocket wheel two 23) also can be connected in other ways such as gear; Described wheel reloading device 2 comprises ground fixed frame 6, pressure bar 7, pressurization screw rod 8, upper frame 9 and The load cell 10, the upper frame 9 is fixed on one end of the load cell 10 by a screw rod 11, the other end of the load cell 10 is...

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Abstract

The invention discloses a portable dynamic wheel type calibrator for a roller opposite force type automobile brake inspection bench. The portable dynamic wheel type calibrator comprises a brake force loading and detecting device, a wheel weight loading device, a braking device and a tire simulation device, wherein the braking device and the tire simulation device are arranged on a lower machine frame and are in transmission connection, the wheel weight loading device comprises a ground fixing frame, a press rod, a pressurization screw rod, an upper machine frame and a weighing sensor, the brake force loading and detecting device comprises a brake pressurization machine and a force sensor, the brake pressurization machine transmits the brake force to the brake device, the force sensor is connected with the brake device, the brake force intensity is output into simulation signals through the force sensor, the simulation signals are uploaded to a computer after being processed by a single chip microcomputer, and the computer calculates and displays the brake force ascending curve, the maximum brake force and the brake force during the dynamic wheel weight. The portable dynamic wheel type calibrator has the beneficial effects that the dynamic detection of the brake force is realized, and the work state of the automobile brake inspection bench is simulated, so the portable dynamic wheel type calibrator the advantage of high calibration authenticity and accuracy.

Description

technical field [0001] The invention relates to a tester for automobile test equipment, in particular to a portable dynamic wheel-type tester for a roller reaction force vehicle brake tester. Background technique [0002] According to the requirements of the current standard GB / T 13564-2005 and the metrological verification regulations JJG906-2009, the roller reaction force automobile brake tester should apply force to the roller or its equivalent position for static verification. Because the brake tester The following factors will cause data differences in the test results when testing vehicles: 1. Instrument factors: software fraud, slip rate setting and accuracy, force calibration, circuit time constant, data acquisition and processing. 2. Factors affecting the resistance of the mechanical stand and the ground: the center distance of the roller is different, the height difference between the front and rear rollers is different, whether the reducer reaches the maximum requ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M17/007G01L25/00
Inventor 周申生严瑾戴映云马强骏
Owner 浙江江兴汽车检测设备有限公司
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