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Energy-saving hydraulic pump durability test bench with hydraulic simulated loading

A hydraulic pump and energy-saving technology, which is applied in the field of energy-saving durability test benches, can solve problems such as frequent failures and little consideration of the durability of hydraulic pumps, and achieve the effect of energy recovery

Inactive Publication Date: 2018-06-22
JILIN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The durability of the hydraulic pump is rarely considered in the current hydraulic loading test system, which leads to frequent failures during the whole machine test or the use of the whole machine

Method used

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  • Energy-saving hydraulic pump durability test bench with hydraulic simulated loading
  • Energy-saving hydraulic pump durability test bench with hydraulic simulated loading

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no. 1 example

[0027] The present invention is described in detail below in conjunction with accompanying drawing:

[0028] see figure 1 As shown, an energy-saving hydraulic pump durability test bench for hydraulic simulation loading includes a power pilot module 3, a power output module 7, a cooling module 5, a rectifier bridge 4, a loading module 2, an energy recovery module 1, and fuel tank6. The power pilot module 3 is connected to the loading module 2 through a proportional decompression valve 30 . The input shaft of the hydraulic pump 78 of the power output module 7 is coaxial with the first shaft 11 of the energy recovery module 1 through the first rotational speed torque sensor 713 . The output hydraulic oil of the power output module 1 enters the loading module 2 through the rectifying bridge 4 , and the hydraulic oil is always input from the fixed oil port of the variable motor 25 of the loading module 2 . The output hydraulic oil of the power output module 7 can flow back to th...

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Abstract

The invention discloses an energy-saving type hydraulic pump durability testing table with hydraulic analog loading. The energy-saving type hydraulic pump durability testing table is composed of a power guide module, a power output module, a cooling module, a rectifier bridge way, a loading module, an energy recovery module and an oil tank. According to the energy-saving type hydraulic pump durability testing table, energy is stored in an energy accumulator of the power guide module, and therefore the energy-saving function is achieved. According to the energy-saving type hydraulic pump durability testing table, a variable displacement motor output shaft of the loading module is coaxial with a second shaft and an overrunning coupler of the energy recovery module, a hydraulic pump is driven to rotate, and energy recovery is achieved. Hydraulic analog loading of the energy-saving type hydraulic pump durability testing table is achieved by adjusting the system pressure, and the hydraulic pump durability test rated conditions can be met. The energy-saving type hydraulic pump durability testing table can be used for testing hydraulic pumps in multiple specifications under the condition that the modules are kept unchanged.

Description

technical field [0001] The invention relates to a hydraulic pump test bench, in particular to an energy-saving durability test bench for applying a hydraulic simulation load to a hydraulic pump. Background technique [0002] Hydraulic pump is an important power component in hydraulic transmission, and its durability is also crucial. The durability of the hydraulic pump is rarely considered in the current hydraulic loading test system, which leads to frequent failures during the whole machine test or the whole machine use. It can be seen that in this technical field, there is an urgent need to carry out durability tests on hydraulic pumps. In addition, there is a problem of high energy consumption during the durability test of the hydraulic pump. How to improve the energy saving of the hydraulic pump durability test bench is a technical problem that needs to be solved urgently. Contents of the invention [0003] The object of the present invention is to provide an energy-...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F15B19/00F15B21/14
CPCF15B19/00F15B21/14
Inventor 翟新婷王继新江柱锦郭忠厚
Owner JILIN UNIV
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