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Fuel pump brush performance testing workbench

A technology for testing workbenches and fuel pumps, applied in electrical components, circuit/collector parts, circuits, etc., can solve the problem of lack of automatic high-speed testing equipment, etc., and achieve fast testing speed, reduce production costs, and shorten testing cycles. Effect

Inactive Publication Date: 2006-02-08
WUHAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] At present, in the field of fuel pump production, there is no testing equipment for testing the performance of fuel pump brush holders, especially no automatic high-speed testing equipment for testing the performance of brush connectors in the brush holder.

Method used

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  • Fuel pump brush performance testing workbench
  • Fuel pump brush performance testing workbench
  • Fuel pump brush performance testing workbench

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Experimental program
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Embodiment Construction

[0031] The embodiment of the present invention is a test bench for detecting the resistance of the connecting piece of the fuel pump brush and the pressure performance of the compression spring in a production line, that is, the automatic high-speed testing workbench for the resistance of the connecting piece of the brush of the automobile fuel pump and the pressure of the compression spring.

[0032] Such as figure 1 , 3 As shown, the fuel pump brush connector performance test bench includes a base 1, a bracket 3 arranged on the base 1, and a propulsion mechanism 4 arranged on the bracket 3; the lower part of the propulsion mechanism 4 is provided with a pressure head 7, and The lower part is provided with a socket (original fuel pump power supply wiring socket) 5 for docking with the plug of the brush holder under test; the base 1 below the propulsion mechanism 4 is provided with a brush holder fixture 2; Test the two contacts connected by the two brushes in the brush holde...

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Abstract

The invention relates to a work platform for testing performances of fuel lift pump metallic brush connectors which comprises feet (1), a mount (3) placed on the feet (1), a pushing structure (4) placed on the mount (3); a pressing head (7) placed under the pushing structure (4) and a plug seat (5) for docking with metallic brush that placed under the pressing head (7); a metallic brush clamp (2) on the feet (1) under the pushing structure (4); and two contact points on the clamp (2) for connecting with two metallic brushes in the tested metallic brush mount.

Description

technical field [0001] The invention relates to a performance test bench for testing equipment, in particular components of a fuel pump. Background technique [0002] The electric fuel pump sucks the fuel from the fuel tank and supplies it to each cylinder of the engine through the fuel injector, providing a source of fuel pressure for the operation of the car. The assembled fuel pump is a non-detachable assembly, and it is generally not repaired. Therefore, any bad factors inside will lead to the scrapping of the fuel pump. Spring pressure, resistance of brush connecting parts in brush holder, sealing of check valve, opening of overflow valve, speed of motor, magnetic field strength after magnetization, etc.) performance testing is very important. Among them, the resistance of the brush connector in the brush holder and the pressure of the brush compression spring directly affect the speed and output power of the fuel pump, so it is more important to detect and optimize th...

Claims

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Application Information

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IPC IPC(8): H01R43/00H01R43/12H01R43/14G01R27/00
Inventor 陈汉汛徐达伟赵奇平杨建东吉孔武刘建国
Owner WUHAN UNIV OF TECH
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