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A test device for an automobile oil pump

A test device and oil pump technology, applied in the field of oil pump test device and automobile oil pump test device, can solve the problems of short fixture life, low impact toughness and tensile strength, poor hardness and wear resistance, etc., and achieve extended use. Longevity, good mechanical properties, the effect of good mechanical properties

Inactive Publication Date: 2016-05-11
QUZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above-mentioned oil pump performance test equipment is complex in operation and structure, and the test performance is not comprehensive enough
In addition, the current fixtures in the test device for automotive oil pumps have a short service life and are prone to breakage or cracks. The reason is that the fixtures have poor mechanical properties, especially poor hardness and wear resistance, and low impact toughness and tensile strength.

Method used

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  • A test device for an automobile oil pump
  • A test device for an automobile oil pump
  • A test device for an automobile oil pump

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0058] Forging and molding: Weigh the components of the clamp alloy steel described in Example 1 in Table 1 and make the alloy steel plate through the common casting process in the prior art, and reserve a margin according to the requirements of the drawing, and forge the alloy steel plate separately to obtain the clamp The mounting plate and connecting shaft blanks.

[0059] Annealing: Anneal the mounting plate and connecting shaft blank obtained by the forging above at 850°C.

[0060] Refining and tempering: the above annealed blank is subjected to rough machining and then tempered at a temperature of 860°C.

[0061] Heat treatment: Finishing, stress relief treatment, rough grinding, and heat treatment are carried out successively on the blanks after the above quenching and tempering treatment. The heat treatment is quenching at 850°C for 2 hours, oil cooling to room temperature, and tempering at 520°C for 2 hours. After the water is cooled to 240°C, the oil is cooled to room...

Embodiment 2

[0063] Forging and molding: Weigh the components of the alloy steel of the fixture described in Example 2 of Table 1 and make the alloy steel plate through the ordinary casting process in the prior art, and reserve a margin according to the requirements of the drawing, and forge the alloy steel plate separately to form the fixture The mounting plate and connecting shaft blanks.

[0064] Annealing: Anneal the mounting plate and connecting shaft blank obtained by the forging above at 840°C.

[0065] Refining and tempering: the above annealed blank is subjected to rough machining and then tempered at a temperature of 830°C.

[0066] Heat treatment: Finishing, stress relief treatment, rough grinding, and heat treatment are carried out successively on the blanks after the above quenching and tempering treatment. The heat treatment is quenching at 830°C for 2 hours, oil cooling to room temperature, and tempering at 500°C for 2 hours. After the water is cooled to 230°C, the oil is c...

Embodiment 3

[0068] Forging and molding: Weigh the components of the clamp alloy steel described in Example 3 in Table 1 to make alloy steel plates through the common casting process in the prior art, and reserve a margin according to the requirements of the drawings, and forge and form the alloy steel plates respectively to obtain the clamps The mounting plate and connecting shaft blanks.

[0069] Annealing: Anneal the mounting plate and connecting shaft blank obtained by forging above at 860°C.

[0070] Refining and tempering: the above annealed blank is subjected to rough machining and then tempered at a temperature of 870°C.

[0071] Heat treatment: Finishing, stress relief treatment, rough grinding, and heat treatment are carried out successively on the blank after the above quenching and tempering treatment. The heat treatment is quenching at 870°C for 3 hours, oil cooling to room temperature, and tempering at 540°C for 3 hours. After the water is cooled to 260°C, the oil is cooled ...

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Abstract

The invention belongs to the technical field of oil vary-volume machines and relates to a testing device for an oil pump, in particular to the testing device for the oil pump of an automobile. The testing device for the oil pump of the automobile comprises a rack, a power system arranged on the rack, a clamping system for mounting and testing the performances of the oil pump, a pipeline system and a control system, wherein the power system is arranged on the rack and can reciprocate along the vertical direction of the rack; a power shaft is arranged on the power system; a clamp made of alloy steel is arranged on the clamping system; the oil pump is arranged on the clamp; the power shaft can be inserted in the clamp and drives the oil pump to rotate; the pipeline system is connected onto the oil pump; a manual adjusting valve is arranged on the pipeline system and can be used for controlling the flow and the pressure of the oil in the pipeline system; the control system is used for controlling the pipeline system and displaying testing data of the oil pump. The testing device for the oil pump of the automobile has the advantages of simpleness in connection, convenience in test and long service life.

Description

technical field [0001] The invention belongs to the technical field of oil variable capacity machines, and relates to a test device for an oil pump, in particular to a test device for an automobile oil pump. Background technique [0002] The automobile oil pump is an important part of the automobile. Its function is to increase the oil pressure and maintain a certain oil pressure, continuously supply lubricating oil to each friction pair, reduce the friction and wear of parts, and ensure the engine to be lubricated reliably. The quality of the performance directly affects the performance of the engine, so the performance detection of the oil pump is particularly important. In China, most pump manufacturers adopt backward detection methods, low detection accuracy, complicated operation, and incomplete detection items. [0003] Chinese patent application document (publication number: CN202108718) discloses an oil pump performance test equipment, including a frame and an oil pu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04B51/00
Inventor 陈晓英
Owner QUZHOU UNIV