CN105156403A - Automatic power recycling testing platform for hydraulic pump and hydraulic motor - Google Patents
Automatic power recycling testing platform for hydraulic pump and hydraulic motor Download PDFInfo
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- CN105156403A CN105156403A CN201510497960.8A CN201510497960A CN105156403A CN 105156403 A CN105156403 A CN 105156403A CN 201510497960 A CN201510497960 A CN 201510497960A CN 105156403 A CN105156403 A CN 105156403A
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Abstract
The invention of an automatic power recycling testing platform for a hydraulic pump and a hydraulic motor and belongs to the field of hydraulic design. The testing platform mainly comprises the hydraulic pump (1), a double-output-shaft motor (2), an overrun clutch (3), the hydraulic motor (4), an oil supplementing one-way valve (8), a pilot type proportional overflow valve (9) and other hydraulic elements. One end of the double-output-shaft motor (2) is connected with the hydraulic pump (1). The other end of the double-output-shaft motor (2) is connected with the outer ring of the overrun clutch (3). The hydraulic motor (4) is connected with the inner ring of the overrun clutch (3). An oil outlet of the hydraulic pump (1) is connected with the pilot type proportional overflow valve (9). The automatic power recycling testing platform can perform a loading test on the performance of hydraulic pumps and hydraulic motors of different specifications, and automatic power recycling is achieved. The testing system is simple in principle, stable in the work process and high in energy recycling rate.
Description
Technical field
The invention belongs to hydraulic pressure design field, especially a kind of oil hydraulic pump and oil hydraulic motor automated power reclaim test platform.
Background technique
Oil hydraulic pump and oil hydraulic motor are the core hydraulic element of machinery, and its performance characteristic directly affects the working performance of machinery.Whether the test system of oil hydraulic pump and oil hydraulic motor carries out for the service behaviour of oil hydraulic pump and oil hydraulic motor the experimental facilities that detects, qualified to identify the performance of product.At present, the system of most Power Recovery test philosophy is comparatively complicated, and popularization is poor, loads test process unstable, fragile hydraulic element.Therefore, have must design a kind of popularization large, load the high oil hydraulic pump of stabile test, energy recovery rate and oil hydraulic motor test philosophy.
Summary of the invention
The object of the invention is to overcome deficiency of the prior art, provide a kind of oil hydraulic pump and oil hydraulic motor automated power to reclaim test philosophy.
Technological scheme of the present invention is:
A kind of oil hydraulic pump and oil hydraulic motor automated power reclaim test platform, comprise oil hydraulic pump, two output shaft electric machine, free wheel device, oil hydraulic motor, repairing one-way valve, quick release coupling, pilot-operated proportional relief valve and flowmeter; One end of described pair of output shaft electric machine output shaft connects oil hydraulic pump, and the other end connects free wheel device; Described free wheel device outer shroud is connected with motor, and its inner ring is connected with oil hydraulic motor; The drain tap of described oil hydraulic pump meets flowmeter III, and for measuring the amount of leakage of oil hydraulic pump, its filler opening connects oil absorption filter, and its oil outlet installs flowmeter II and one-way valve successively, and flowmeter II measures oil hydraulic pump oil pump capacity; Described one-way valved outlet is provided with triplate line, and its first branch road is connected with oil hydraulic motor with quick release coupling I through flowmeter I, and flowmeter I measures oil hydraulic motor oil inlet quantity, and its second branch road is connected with repairing one-way valve, and its 3rd branch road is connected with pilot-operated proportional relief valve; The oil outlet of described high pressure pilot-operated proportional relief valve is connected with return filter, and the drain tap of described oil hydraulic motor is connected with flowmeter IV, and flowmeter IV measures the leakage rate of oil hydraulic motor, and its return opening is connected with return filter through quick release coupling II;
When test platform detects oil hydraulic pump, oil hydraulic motor adopts variable hydraulic motor, and realized the stepless loading test of the oil hydraulic pump of different size by variable hydraulic motor and free wheel device, realization steadily loads and automated power reclaims; When test platform detects oil hydraulic motor, oil hydraulic pump adopts volume adjustable hydraulic pump, and realized the stepless loading test of the oil hydraulic motor of different size by volume adjustable hydraulic pump and free wheel device, realization steadily loads and automated power reclaims.
The steady automated power loading test and system that described free wheel device realizes system reclaims; The backflow that one-way valve prevents hydraulic oil, the effect protection oil hydraulic pump played is connect at the oil outlet of oil hydraulic pump; When negative pressure appears in the hyperbaric chamber of system, the hydraulic oil of low-pressure cavity can be hyperbaric chamber repairing by unidirectional Fill valve; By regulating the oil pressure relief of pilot-operated proportional relief valve, realize the loading of system different operating pressure.
A kind of oil hydraulic pump that the present invention proposes and oil hydraulic motor automated power reclaim test platform, can realize steady loadings test and the automated power recovery of system, the oil hydraulic pump of described test and the specification limit of oil hydraulic motor large.
Accompanying drawing explanation
Accompanying drawing is the device connection diagram of test platform of the present invention.
In figure: 1 oil hydraulic pump; 2 pairs of output shaft electric machines; 3 free wheel devicees; 4 oil hydraulic motors; 5 quick release coupling I; 6 flowmeter I; 7 one-way valves; 8 repairing one-way valves; 9 high pressure pilot-operated proportional relief valves; 10 flowmeter II; 11 flowmeter III; 12 flowmeter IV; 13 quick release coupling II.
Embodiment
The specific embodiment of the present invention is described in detail below in conjunction with accompanying drawing and technological scheme.
As shown in Figure 1, a kind of oil hydraulic pump and oil hydraulic motor automated power reclaim test platform, comprise oil hydraulic pump 1, two output shaft electric machine 3, free wheel device 3, oil hydraulic motor 4, quick release coupling I5, flowmeter I6, one-way valve 7, repairing one-way valve 8, pilot-operated proportional relief valve 9, flowmeter II10, flowmeter III11, flowmeter IV12, quick release coupling II13, fuel tank, filter, measuring instrument and connecting pipeline.One end of two output shaft electric machine 2 output shaft connects oil hydraulic pump 1, and the other end connects free wheel device 3; The outer shroud of free wheel device 3 is connected with motor, and its inner ring is connected with oil hydraulic motor 4; The drain tap of described oil hydraulic pump 1 is connected with flowmeter III11, and its filler opening is connected with oil absorption filter, its oil outlet and successively installation flowmeter II10 and one-way valve 7; One-way valve 7 outlet is provided with triplate line, and its first branch road is connected with oil hydraulic motor 4 with quick release coupling I5 through flowmeter I6, and its second branch road is connected with repairing one-way valve 8, and its 3rd branch road is connected with pilot-operated proportional relief valve; The oil outlet of described high pressure pilot-operated proportional relief valve 9 is connected with return filter; The drain tap of described oil hydraulic motor is connected with flowmeter IV12, and its return opening is connected with return filter through quick release coupling II10;
The amount of leakage of flowmeter III11 test fluid press pump 1, flowmeter II10 measures oil hydraulic pump 1 oil pump capacity; Flowmeter IV12 measures the leakage rate of oil hydraulic motor 4, and flowmeter I6 measures oil hydraulic motor 4 oil inlet quantity; The automated power of steady loading and system that free wheel device 3 realizes system reclaims; Connect one-way valve at oil hydraulic pump oil outlet to prevent the backflow of hydraulic oil, play protection oil hydraulic pump; When negative pressure appears in the hyperbaric chamber of system, the hydraulic oil of low-pressure cavity can be hyperbaric chamber repairing by unidirectional Fill valve 8; By regulating the oil pressure relief of pilot-operated proportional relief valve 10, the actual conditions of simulated solution press pump and oil hydraulic motor, meets the requirement of the different operating pressure of test system.
When test system detects oil hydraulic pump, oil hydraulic motor adopts variable hydraulic motor 4, and realized the stepless loading test of the oil hydraulic pump of different size by variable hydraulic motor 4 and free wheel device 3, realization steadily loads and automated power reclaims; When test platform detects oil hydraulic motor, oil hydraulic pump adopts volume adjustable hydraulic pump 1, is realized the stepless loading test of the oil hydraulic motor of different size by volume adjustable hydraulic pump 1 and free wheel device 4, and the steady loading test and the automated power that realize system reclaim.
Claims (1)
1. an oil hydraulic pump and oil hydraulic motor automated power reclaim test platform, it is characterized in that, this oil hydraulic pump and oil hydraulic motor automated power reclaim test platform and comprise oil hydraulic pump, two output shaft electric machine, free wheel device, oil hydraulic motor, repairing one-way valve, quick release coupling, pilot-operated proportional relief valve and flowmeter; One end of described pair of output shaft electric machine output shaft connects oil hydraulic pump, and the other end connects free wheel device; Described free wheel device outer shroud is connected with motor, and its inner ring is connected with oil hydraulic motor; The drain tap of described oil hydraulic pump meets flowmeter III, and for measuring the amount of leakage of oil hydraulic pump, its filler opening connects oil absorption filter, and its oil outlet installs flowmeter II and one-way valve successively, and flowmeter II measures oil hydraulic pump oil pump capacity; Described one-way valved outlet is provided with triplate line, and its first branch road is connected with oil hydraulic motor with quick release coupling I through flowmeter I, and flowmeter I measures oil hydraulic motor oil inlet quantity, and its second branch road is connected with repairing one-way valve, and its 3rd branch road is connected with pilot-operated proportional relief valve; The oil outlet of described high pressure pilot-operated proportional relief valve is connected with return filter, and the drain tap of described oil hydraulic motor is connected with flowmeter IV, and flowmeter IV measures the leakage rate of oil hydraulic motor, and its return opening is connected with return filter through quick release coupling II;
When test platform detects oil hydraulic pump, oil hydraulic motor adopts variable hydraulic motor, and realized the stepless loading test of the oil hydraulic pump of different size by variable hydraulic motor and free wheel device, realization steadily loads and automated power reclaims; When test platform detects oil hydraulic motor, oil hydraulic pump adopts volume adjustable hydraulic pump, and realized the stepless loading test of the oil hydraulic motor of different size by volume adjustable hydraulic pump and free wheel device, realization steadily loads and automated power reclaims.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510497960.8A CN105156403A (en) | 2015-08-14 | 2015-08-14 | Automatic power recycling testing platform for hydraulic pump and hydraulic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510497960.8A CN105156403A (en) | 2015-08-14 | 2015-08-14 | Automatic power recycling testing platform for hydraulic pump and hydraulic motor |
Publications (1)
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| CN105156403A true CN105156403A (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510497960.8A Pending CN105156403A (en) | 2015-08-14 | 2015-08-14 | Automatic power recycling testing platform for hydraulic pump and hydraulic motor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107327430A (en) * | 2017-07-27 | 2017-11-07 | 上海电气液压气动有限公司 | A kind of hydraulic pressure comprehensive test system of Power Recovery |
| CN107620701A (en) * | 2017-09-18 | 2018-01-23 | 北京航空航天大学 | The driving of high speed constant pressure variable plunger pump and load change test device based on power back off |
| CN107991008A (en) * | 2017-12-29 | 2018-05-04 | 恒天九五重工有限公司 | Power test valve block, test device and test method are used in a kind of rotary drilling rig power match test |
| CN111120291A (en) * | 2020-01-18 | 2020-05-08 | 西安航空学院 | Hydraulic speed-regulating power closed test system |
| CN114658707A (en) * | 2022-03-31 | 2022-06-24 | 中国船舶重工集团公司第七0七研究所九江分部 | Low-noise bidirectional servo pump source |
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| EP1319847A2 (en) * | 2001-12-04 | 2003-06-18 | Automotive Products (Usa) Inc. | Method and apparatus for identifying and eliminating vibration symptoms in hydraulic clutch actuators |
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| CN101701875A (en) * | 2009-11-23 | 2010-05-05 | 浙江大学 | Composite detecting platform for combination property of motor vehicle |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107327430A (en) * | 2017-07-27 | 2017-11-07 | 上海电气液压气动有限公司 | A kind of hydraulic pressure comprehensive test system of Power Recovery |
| CN107327430B (en) * | 2017-07-27 | 2023-11-10 | 上海电气液压气动有限公司 | Hydraulic comprehensive test system for power recovery |
| CN107620701A (en) * | 2017-09-18 | 2018-01-23 | 北京航空航天大学 | The driving of high speed constant pressure variable plunger pump and load change test device based on power back off |
| CN107991008A (en) * | 2017-12-29 | 2018-05-04 | 恒天九五重工有限公司 | Power test valve block, test device and test method are used in a kind of rotary drilling rig power match test |
| CN107991008B (en) * | 2017-12-29 | 2024-03-19 | 恒天九五重工有限公司 | Power test valve block, test device and test method for power matching test of rotary drilling rig |
| CN111120291A (en) * | 2020-01-18 | 2020-05-08 | 西安航空学院 | Hydraulic speed-regulating power closed test system |
| CN111120291B (en) * | 2020-01-18 | 2022-02-08 | 西安航空学院 | Hydraulic speed-regulating power closed test system |
| CN114658707A (en) * | 2022-03-31 | 2022-06-24 | 中国船舶重工集团公司第七0七研究所九江分部 | Low-noise bidirectional servo pump source |
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Application publication date: 20151216 |
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