CN104481971A - Torque-type hydraulic pump and hydraulic motor power recovery test platform - Google Patents

Torque-type hydraulic pump and hydraulic motor power recovery test platform Download PDF

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Publication number
CN104481971A
CN104481971A CN201410775958.8A CN201410775958A CN104481971A CN 104481971 A CN104481971 A CN 104481971A CN 201410775958 A CN201410775958 A CN 201410775958A CN 104481971 A CN104481971 A CN 104481971A
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oil hydraulic
hydraulic pump
hydraulic motor
pump
power recovery
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CN104481971B (en
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蒙先君
康宝生
刘金祥
陈馈
陈义得
吴朝来
李大伟
李凤远
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China Railway Tunnel Group Co Ltd CRTG
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China Railway Tunnel Group Co Ltd CRTG
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B19/00Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for

Abstract

The invention relates to a torque-type hydraulic pump and hydraulic motor power recovery test platform. The test platform comprises a hydraulic pump (1), a driving motor (3), a torque rotation speed sensor I (2), a torque rotation speed sensor II (5), a hydraulic motor (6), a clutch (4), an oil replenishing pump 7, a switching module, a loading module and a flowmeter module; the input end of the driving motor (3) is connected with the hydraulic motor (6), and the clutch (4) and the torque rotation speed sensor II (5) are installed between the input end of the driving motor and the hydraulic motor (6); an oil outlet of the hydraulic pump (1) is connected with the switching module and the loading module, the loading module is connected with the switching module in parallel, the other end of the loading module is connected with the flowmeter module, and the other end of the switching module is connected to an oil inlet of the hydraulic motor (6). By adopting the torque-type hydraulic pump and hydraulic motor power recovery test platform, the test on the power recovery mode of the hydraulic motor can be completed; the test range of the hydraulic pump and hydraulic motor is relatively large; the power recovery test and the normal test mode can be rapidly switched.

Description

A kind of torsion type oil hydraulic pump and oil hydraulic motor Power Recovery test platform
Technical field
The invention belongs to and relate to a kind of testing apparatus and method, especially a kind of torsion type oil hydraulic pump and oil hydraulic motor Power Recovery test platform.
Background technique
Oil hydraulic pump and oil hydraulic motor test platform are the necessarieses studied for carrying out Performance Detection, reliability testing and related law to oil hydraulic pump and motor.Early stage Power Recovery test platform can only test fluid press pump, cannot adopt Power Recovery pattern to the test of oil hydraulic motor; And major part all adopts overflow throttle style to implement to load, the energy that motor exports almost all is converted into heat, this makes test energy consumption very large on the one hand, and when particularly carrying out high pressure, large discharge test for oil hydraulic pump, energy consumption even also can impact electrical network more greatly.There has been proposed several employing Power Recovery test method: electric power way of recycling, mechanical compensation Power Recovery mode, fluid compensation power way of recycling for this reason, there is some deficiency following with regard to present stage test platform: the Power Recovery pattern test that oil hydraulic motor 1, can not be completed; 2, testing hydraulic loop is more single, institute's test fluid press pump and motor scope less.
Summary of the invention
The object of the invention is to overcome deficiency of the prior art, a kind of torsion type oil hydraulic pump and oil hydraulic motor Power Recovery test platform are provided.
The present invention completes the technological scheme that its invention task takes:
A kind of torsion type oil hydraulic pump and oil hydraulic motor Power Recovery test platform, include oil hydraulic pump, drive motor, torque speed sensor I and torque speed sensor II, oil hydraulic motor, clutch, slippage pump, handover module, load-on module and flow meter modules; The input end connecting fluid pressure motor of described drive motor and be provided with clutch and torque speed sensor II in the middle of drive motor input end and oil hydraulic motor; For detecting speed and the torque data at drive motor two ends, the clutch that input end of motor is installed is used for the break-make of oil hydraulic motor; The oil outlet of oil hydraulic pump connects handover module and load-on module, described load-on module is in parallel with handover module, described load-on module the other end connection traffic meter module, the filler opening of the other end connecting fluid pressure motor of described handover module, the oil outlet of oil hydraulic motor connects plug-in mounting throttle valve by ball valve III, for oil hydraulic motor provides back pressure; Described handover module includes two position, three-way electromagnetic change valve and relief valve; Described load-on module includes plug-in mounting relief valve, three-position four-way electromagnetic directional valve, electromagnetic proportion relief valve and manual adjustable relief valve; Described flow meter modules includes three flow transducers and flow transducer I, flow transducer II and flow transducer III; Wherein, flow transducer I, flow transducer II measurement of discharge scope are different, select different flow transducers according to the size of flow system flow, realize switching by the ball valve before flow transducer I, flow transducer II; Described test platform is provided with ball valve I, ball valve II and ball valve III; Described ball valve I is arranged between described oil hydraulic pump and fuel tank, and described ball valve II is between the oil outlet and the filler opening of described oil hydraulic pump of described oil hydraulic motor, and described ball valve III is between described plug-in mounting throttle valve and described oil hydraulic motor export; The amount of leakage of oil hydraulic pump or oil hydraulic motor measured by flowmeter III, if test is oil hydraulic pump, flow transducer III is connected to the leakage mouth of tested oil hydraulic pump, if test is oil hydraulic motor, then flow transducer III is connected to the leakage mouth of tested oil hydraulic motor; Slippage pump is quantitative gear pump, is mainly used in the test of closed circuit, is closed loop system repairing, by the pressure of relief valve setting oil-supplementing system, is equipped with one-way valve to prevent the backflow of hydraulic oil in slippage pump outlet.
Described oil hydraulic pump is tested oil hydraulic pump or loading oil hydraulic pump; When described test platform detects oil hydraulic pump, described oil hydraulic pump is tested oil hydraulic pump; When described test platform detects oil hydraulic motor, described oil hydraulic pump adopts loading oil hydraulic pump, and described loading oil hydraulic pump adopts volume adjustable hydraulic pump; Described oil hydraulic motor is tested oil hydraulic motor or Power Recovery oil hydraulic motor; When described test platform detects oil hydraulic motor, described oil hydraulic motor is tested oil hydraulic motor; When described test platform detects oil hydraulic pump, described oil hydraulic motor is Power Recovery oil hydraulic motor, and described Power Recovery oil hydraulic motor adopts double-action variable displacement motor.
Described torsion type oil hydraulic pump and oil hydraulic motor Power Recovery test platform form open type without torque compensation oil hydraulic pump Power Recovery loop, and the open hydraulic pump of all kinds of power at below 50kW is mainly detected in this loop;
Make the two position, three-way electromagnetic change valve of handover module be in closed condition, ball valve I, ball valve III are in open mode, and ball valve II is in closed condition, cut-off clutch; This loop does not start slippage pump; Tested oil hydraulic pump is installed in oil hydraulic pump position, and flow transducer III connects tested oil hydraulic pump and reveals mouth; Tested oil hydraulic pump filler opening connected tank, oil outlet connects load-on module, by the pressure of load-on module regulating system, the actual conditions of simulated solution press pump, and make pressure oil by getting back to fuel tank after flow meter modules;
Described torsion type oil hydraulic pump and oil hydraulic motor Power Recovery test platform form open type torque compensation oil hydraulic pump Power Recovery loop, and the open hydraulic pump of all kinds of power at more than 50kW is mainly detected in this loop;
Make the two position, three-way electromagnetic change valve of handover module be in open mode, ball valve I, ball valve III are in open mode, and ball valve II is in closed condition, connect clutch; This loop does not start slippage pump; Tested oil hydraulic pump is installed in oil hydraulic pump position, oil hydraulic motor position installation power recovery oil hydraulic motor; Flow transducer III connects tested oil hydraulic pump and reveals mouth, and the direct connected tank of mouth revealed by Power Recovery oil hydraulic motor; Tested oil hydraulic pump filler opening connected tank, oil outlet connects load-on module and handover module; Tested oil hydraulic pump oil outlet passes through load-on module, by the pressure of deceleration loading device regulating system, and the actual conditions of simulated solution press pump; Tested oil hydraulic pump oil outlet is communicated with Power Recovery oil hydraulic motor filler opening by handover module, is Power Recovery oil hydraulic motor fuel feeding;
Described torsion type oil hydraulic pump and oil hydraulic motor Power Recovery test platform form enclosed torque compensation oil hydraulic pump Power Recovery loop, and all kinds of closed type hydraulic pump is mainly detected in this loop;
Make the two position, three-way electromagnetic change valve of handover module be in open mode, ball valve I, ball valve III are in closed condition, and ball valve II is in open mode, connect clutch; This loop start slippage pump; Tested oil hydraulic pump is installed in oil hydraulic pump position, oil hydraulic motor position installation power recovery oil hydraulic motor; Flow transducer III connects tested oil hydraulic pump and reveals mouth, and the direct connected tank of mouth revealed by Power Recovery oil hydraulic motor; Tested oil hydraulic pump filler opening is communicated with Power Recovery oil hydraulic motor oil outlet, and tested oil hydraulic pump oil outlet connects load-on module and handover module; Tested oil hydraulic pump oil outlet passes through load-on module, by the pressure of deceleration loading device regulating system, and the actual conditions of simulated solution press pump; Tested oil hydraulic pump oil outlet is communicated with Power Recovery oil hydraulic motor by handover module, is Power Recovery oil hydraulic motor fuel feeding;
Described torsion type oil hydraulic pump and oil hydraulic motor Power Recovery test platform form open type torque compensation oil hydraulic motor Power Recovery loop, and this loop is mainly used in all kinds of oil hydraulic motor of open type mode detection;
Make the two position, three-way electromagnetic change valve of handover module be in open mode, ball valve I, ball valve III are in open mode, and ball valve II is in closed condition, and connect clutch, this loop does not start slippage pump; Loading oil hydraulic pump is installed in oil hydraulic pump position, and tested oil hydraulic motor is installed in oil hydraulic motor position; Flow transducer III connects tested oil hydraulic motor and reveals mouth, and the direct connected tank of mouth revealed by loading oil hydraulic pump; Load with oil hydraulic pump filler opening connected tank, oil outlet connects load-on module and handover module; Load with volume adjustable hydraulic pump oil outlet by load-on module, by the pressure of deceleration loading device regulating system, the actual conditions of simulated solution pressure motor, the oil outlet of oil hydraulic motor connects plug-in mounting throttle valve by ball valve III, for oil hydraulic motor provides back pressure; Loading volume adjustable hydraulic pump oil outlet is communicated with tested oil hydraulic motor by handover module, is tested oil hydraulic motor fuel feeding;
Described torsion type oil hydraulic pump and oil hydraulic motor Power Recovery test platform form enclosed torque compensation oil hydraulic motor Power Recovery loop, and this loop is mainly used in all kinds of oil hydraulic motor of enclosed mode detection;
Make the two position, three-way electromagnetic change valve of handover module be in open mode, ball valve I, ball valve III are in closed condition, and ball valve II is in open mode, connect clutch, start slippage pump; Loading oil hydraulic pump is installed in oil hydraulic pump position, and tested oil hydraulic motor is installed in oil hydraulic motor position; Flow transducer III connects tested oil hydraulic motor and reveals mouth, and the direct connected tank of mouth revealed by loading oil hydraulic pump; Loading oil hydraulic pump filler opening is connected with tested oil hydraulic motor oil outlet, and loading oil hydraulic pump oil outlet connects load-on module and handover module, and by the pressure of load-on module regulating system, tested oil hydraulic motor is by loading oil hydraulic pump fuel feeding.
A kind of torsion type oil hydraulic pump that the present invention proposes and oil hydraulic motor Power Recovery test platform, can complete the Power Recovery pattern test of oil hydraulic motor; Institute's test fluid press pump and oil hydraulic motor scope larger; Power Recovery test can switch fast with proper testing pattern .
Accompanying drawing explanation
Fig. 1 is the hydraulic schematic diagram of test platform of the present invention.
In figure: 1, oil hydraulic pump, 2, torque speed sensor I, 3, drive motor, 4, clutch, 5, torque speed sensor II, 6, oil hydraulic motor, 7, slippage pump, 8, relief valve relief valve, 9, ball valve I, 10, ball valve II, 11, ball valve III, 12, two position, three-way electromagnetic change valve, 13, relief valve, 14, plug-in mounting relief valve, 15, three-position four-way electromagnetic directional valve, 16, electromagnetic proportion relief valve, 17, manual adjustable relief valve, 18, plug-in mounting throttle valve, 19, flow meter I, 20, flow meter II, 21, flowmeter III.
Embodiment
With example, the present invention is further described by reference to the accompanying drawings:
As shown in Figure 1, a kind of torsion type oil hydraulic pump and oil hydraulic motor Power Recovery test platform, include oil hydraulic pump 1, torque speed sensor I 2, drive motor 3, clutch 4, torque speed sensor II 5, oil hydraulic motor 6, slippage pump 7, relief valve 8, ball valve I 9, ball valve II 10, ball valve III 11, two position, three-way electromagnetic change valve 12, relief valve 13, plug-in mounting relief valve 14, three-position four-way electromagnetic directional valve 15, electromagnetic proportion relief valve 16, manual adjustable relief valve 17, plug-in mounting throttle valve 18, flow meter I 19, flow meter II 20, flowmeter III 21, fuel tank, all kinds of measuring instrument and connecting pipeline.The input/output terminal of motor is all provided with torque speed sensor for detecting speed and the moment of torsion at two ends, and drive motor input end is provided with the break-make of clutch 4 for oil hydraulic motor.Handover module includes two position, three-way electromagnetic change valve 12, relief valve 13, is realized the switching of proper testing pattern and Power Recovery pattern by the break-make of two position, three-way electromagnetic change valve 12.Load-on module includes plug-in mounting relief valve 14, three-position four-way electromagnetic directional valve 15, electromagnetic proportion relief valve 16, manual adjustable relief valve 17, and load-on module is used for regulating system working pressure; Simulation actual conditions; Electromagnetic proportion relief valve 16 and manual adjustable relief valve 17 are Two-stage control devices of plug-in mounting relief valve 14, are realized the switching of automatic Regulation and manual voltage regulation function by three-position four-way electromagnetic directional valve.Flow meter modules includes three flow transducers; Flow transducer I 19, flow meter II 20 measurement of discharge scopes are different, size according to flow system flow is selected, realize switching by the ball valve before two flowmeters, the amount of leakage of oil hydraulic pump or oil hydraulic motor mainly measured by flowmeter III 21, if test is oil hydraulic pump, flow transducer III 21 is connected to tested oil hydraulic pump and reveals mouth, if test is oil hydraulic motor, flow transducer III 21 is connected to tested oil hydraulic motor and reveals mouth.Described test platform is provided with ball valve I 9, ball valve II 10 and ball valve III 11; Described ball valve I 9 is arranged between described oil hydraulic pump 1 and fuel tank, described ball valve II 10 is between the oil outlet and the filler opening of described oil hydraulic pump 1 of described oil hydraulic motor 6, and described ball valve III 11 is between plug-in mounting throttle valve 18 and described oil hydraulic motor 6; Slippage pump 7 is quantitative gear pump, is mainly used in the test of closed circuit, is closed loop system repairing, is set the pressure of oil-supplementing system by relief valve 8, is equipped with one-way valve, prevents the backflow of hydraulic oil in slippage pump outlet.
System is installed relevant all kinds of instrument and be used for the various real time data of monitoring system.
The present invention can be divided into five kinds of measure loop to adapt to various dissimilar hydraulic pressure by test specimen.
1), open type without torque compensation oil hydraulic pump Power Recovery loop, the open hydraulic pump of all kinds of power at below 50kW is mainly detected in this loop;
Make the two position, three-way electromagnetic change valve 12 of handover module be in closed condition, ball valve I 9, ball valve III 11 are in open mode, and ball valve II 10 is in closed condition, cut-off clutch 4; This loop does not start slippage pump; Tested oil hydraulic pump is installed in oil hydraulic pump 1 position, and flow transducer III 21 connects tested oil hydraulic pump and reveals mouth; Tested oil hydraulic pump filler opening connected tank, oil outlet connects load-on module, by the pressure of load-on module regulating system, the actual conditions of simulated solution press pump, and make pressure oil by getting back to fuel tank after flow meter modules;
2), open type torque compensation oil hydraulic pump Power Recovery loop, the open hydraulic pump of all kinds of power at more than 50kW is mainly detected in this loop;
Make the two position, three-way electromagnetic change valve 12 of handover module be in open mode, ball valve I 9, ball valve III 11 are in open mode, and ball valve II 10 is in closed condition, connect clutch 4; This loop does not start slippage pump; Tested oil hydraulic pump is installed in oil hydraulic pump 1 position, oil hydraulic motor position installation power recovery oil hydraulic motor; Flow transducer III 21 connects tested oil hydraulic pump and reveals mouth, and the direct connected tank of mouth revealed by Power Recovery oil hydraulic motor; Tested oil hydraulic pump filler opening connected tank, oil outlet connects load-on module and handover module; Tested oil hydraulic pump oil outlet passes through load-on module, by the pressure of deceleration loading device regulating system, and the actual conditions of simulated solution press pump; Tested oil hydraulic pump oil outlet is communicated with Power Recovery oil hydraulic motor filler opening by handover module, is Power Recovery oil hydraulic motor fuel feeding;
3), enclosed torque compensation oil hydraulic pump Power Recovery loop, all kinds of closed type hydraulic pump is mainly detected in this loop;
Make the two position, three-way electromagnetic change valve 12 of handover module be in open mode, ball valve I 9, ball valve III 11 are in closed condition, and ball valve II 10 is in open mode, connect clutch 4; This loop start slippage pump; Tested oil hydraulic pump is installed in oil hydraulic pump 1 position, oil hydraulic motor position installation power recovery oil hydraulic motor; Flow transducer III 21 connects tested oil hydraulic pump and reveals mouth, and the direct connected tank of mouth revealed by Power Recovery oil hydraulic motor; Tested oil hydraulic pump filler opening is communicated with Power Recovery oil hydraulic motor oil outlet, and tested oil hydraulic pump oil outlet connects load-on module and handover module; Tested oil hydraulic pump oil outlet passes through load-on module, by the pressure of deceleration loading device regulating system, and the actual conditions of simulated solution press pump; Tested oil hydraulic pump oil outlet is communicated with Power Recovery oil hydraulic motor by handover module, is Power Recovery oil hydraulic motor fuel feeding;
4), open type torque compensation oil hydraulic motor Power Recovery loop, this loop is mainly used in all kinds of oil hydraulic motor of open type mode detection;
Make the two position, three-way electromagnetic change valve 12 of handover module be in open mode, ball valve I 9, ball valve III 11 are in open mode, and ball valve II 10 is in closed condition, and connect clutch 4, this loop does not start slippage pump; Loading oil hydraulic pump is installed in oil hydraulic pump 1 position, and tested oil hydraulic motor is installed in oil hydraulic motor position; Flow transducer III 21 connects tested oil hydraulic motor and reveals mouth, and the direct connected tank of mouth revealed by loading oil hydraulic pump; Load with oil hydraulic pump filler opening connected tank, oil outlet connects load-on module and handover module; Load with volume adjustable hydraulic pump oil outlet by load-on module, by the pressure of deceleration loading device regulating system, the actual conditions of simulated solution pressure motor, the oil outlet of oil hydraulic motor 6 connects plug-in mounting throttle valve 18, for oil hydraulic motor 6 provides back pressure by ball valve III 11; Loading volume adjustable hydraulic pump oil outlet is communicated with tested oil hydraulic motor by handover module, is tested oil hydraulic motor fuel feeding;
5) enclosed torque compensation oil hydraulic motor Power Recovery loop, this loop is mainly used in all kinds of oil hydraulic motor of enclosed mode detection;
Make the two position, three-way electromagnetic change valve 12 of handover module be in open mode, ball valve I 9, ball valve III 11 are in closed condition, and ball valve II 10 is in open mode, connect clutch 4, start slippage pump 7; Loading oil hydraulic pump is installed in oil hydraulic pump 1 position, and tested oil hydraulic motor is installed in oil hydraulic motor 6 position; Flow transducer III 21 connects tested oil hydraulic motor and reveals mouth, and the direct connected tank of mouth revealed by loading oil hydraulic pump; Loading oil hydraulic pump filler opening is connected with tested oil hydraulic motor oil outlet, and loading oil hydraulic pump oil outlet connects load-on module and handover module, and by the pressure of load-on module regulating system, tested oil hydraulic motor is by loading oil hydraulic pump fuel feeding.

Claims (7)

1. torsion type oil hydraulic pump and an oil hydraulic motor Power Recovery test platform, is characterized in that: described test platform includes oil hydraulic pump (1), drive motor (3), torque speed sensor I (2) and torque speed sensor II (5), oil hydraulic motor (6), clutch (4), slippage pump (7), handover module, load-on module and flow meter modules; The input end connecting fluid pressure motor (6) of described drive motor (3) and be provided with clutch (4) and torque speed sensor II (5) in the middle of drive motor input end and oil hydraulic motor (6); For detecting speed and the torque data at drive motor two ends, the clutch that input end of motor is installed is used for the break-make of oil hydraulic motor; The oil outlet of oil hydraulic pump (1) connects handover module and load-on module, described load-on module is in parallel with handover module, described load-on module the other end connection traffic meter module, the filler opening of the other end connecting fluid pressure motor (6) of described handover module, the oil outlet of oil hydraulic motor (6) connects plug-in mounting throttle valve (18), for oil hydraulic motor (6) provides back pressure by ball valve III (11); Described handover module includes two position, three-way electromagnetic change valve (12) and relief valve (13); Described load-on module includes plug-in mounting relief valve (14), three-position four-way electromagnetic directional valve (15), electromagnetic proportion relief valve (16) and manual adjustable relief valve (17); Described flow meter modules includes three flow transducers and flow transducer I (19), flow transducer II (20) and flow transducer III (21); Wherein, flow transducer I (19), flow transducer II (20) institute measurement of discharge scope are different, select different flow transducers according to the size of flow system flow, realize switching by the ball valve before flow transducer I (19), flow transducer II (20); Described test platform is provided with ball valve I (9), ball valve II (10) and ball valve III (11); Described ball valve I (9) is arranged between described oil hydraulic pump (1) and fuel tank, described ball valve II (10) is positioned between the oil outlet of described oil hydraulic motor (6) and the filler opening of described oil hydraulic pump (1), and described ball valve III (11) is positioned between described plug-in mounting throttle valve (18) and described oil hydraulic motor (6) export; The amount of leakage of oil hydraulic pump (1) or oil hydraulic motor (6) measured by flowmeter III (21), if tested oil hydraulic pump, flow transducer III (21) is connected to the leakage mouth of tested oil hydraulic pump, if tested oil hydraulic motor, flow transducer III (21) is connected to the leakage mouth of tested oil hydraulic motor; Slippage pump (7) is quantitative gear pump, is mainly used in the test of closed circuit, is closed loop system repairing, by the pressure of relief valve (8) setting oil-supplementing system, is equipped with one-way valve to prevent the backflow of hydraulic oil in slippage pump (7) outlet.
2. torsion type oil hydraulic pump as claimed in claim 1 and oil hydraulic motor Power Recovery test platform, is characterized in that: described oil hydraulic pump (1) is tested oil hydraulic pump or loading oil hydraulic pump; When described test platform detects oil hydraulic pump, described oil hydraulic pump (1) is tested oil hydraulic pump; When described test platform detects oil hydraulic motor, described oil hydraulic pump (1) adopts loading oil hydraulic pump, and described loading oil hydraulic pump adopts volume adjustable hydraulic pump; Described oil hydraulic motor (6) is tested oil hydraulic motor or Power Recovery oil hydraulic motor; When described test platform detects oil hydraulic motor, described oil hydraulic motor (6) is tested oil hydraulic motor; When described test platform detects oil hydraulic pump, described oil hydraulic motor (6) is Power Recovery oil hydraulic motor, and described Power Recovery oil hydraulic motor adopts double-action variable displacement motor.
3. torsion type oil hydraulic pump as claimed in claim 1 and oil hydraulic motor Power Recovery test platform, it is characterized in that: described torsion type oil hydraulic pump and oil hydraulic motor Power Recovery test platform form open type without torque compensation oil hydraulic pump Power Recovery loop, and the open hydraulic pump of all kinds of power at below 50kW is mainly detected in this loop;
Make the two position, three-way electromagnetic change valve of handover module (12) be in closed condition, ball valve I (9), ball valve III (11) are in open mode, and ball valve II (10) is in closed condition, cut-off clutch (4); This loop does not start slippage pump; Tested oil hydraulic pump is installed in oil hydraulic pump (1) position, and flow transducer III (21) connects tested oil hydraulic pump and reveals mouth; Tested oil hydraulic pump filler opening connected tank, oil outlet connects load-on module, by the pressure of load-on module regulating system, the actual conditions of simulated solution press pump, and make pressure oil by getting back to fuel tank after flow meter modules.
4. torsion type oil hydraulic pump as claimed in claim 1 and oil hydraulic motor Power Recovery test platform, it is characterized in that: described torsion type oil hydraulic pump and oil hydraulic motor Power Recovery test platform form open type torque compensation oil hydraulic pump Power Recovery loop, and the open hydraulic pump of all kinds of power at more than 50kW is mainly detected in this loop;
Make the two position, three-way electromagnetic change valve of handover module (12) be in open mode, ball valve I (9), ball valve III (11) are in open mode, and ball valve II (10) is in closed condition, connect clutch (4); This loop does not start slippage pump; Tested oil hydraulic pump is installed in oil hydraulic pump (1) position, oil hydraulic motor position installation power recovery oil hydraulic motor; Flow transducer III (21) connects tested oil hydraulic pump and reveals mouth, and the direct connected tank of mouth revealed by Power Recovery oil hydraulic motor; Tested oil hydraulic pump filler opening connected tank, oil outlet connects load-on module and handover module; Tested oil hydraulic pump oil outlet passes through load-on module, by the pressure of deceleration loading device regulating system, and the actual conditions of simulated solution press pump; Tested oil hydraulic pump oil outlet is communicated with Power Recovery oil hydraulic motor filler opening by handover module, is Power Recovery oil hydraulic motor fuel feeding.
5. torsion type oil hydraulic pump as claimed in claim 1 and oil hydraulic motor Power Recovery test platform, it is characterized in that: described torsion type oil hydraulic pump and oil hydraulic motor Power Recovery test platform form enclosed torque compensation oil hydraulic pump Power Recovery loop, and all kinds of closed type hydraulic pump is mainly detected in this loop;
Make the two position, three-way electromagnetic change valve of handover module (12) be in open mode, ball valve I (9), ball valve III (11) are in closed condition, and ball valve II (10) is in open mode, connect clutch (4); This loop start slippage pump; Tested oil hydraulic pump is installed in oil hydraulic pump (1) position, oil hydraulic motor position installation power recovery oil hydraulic motor; Flow transducer III (21) connects tested oil hydraulic pump and reveals mouth, and the direct connected tank of mouth revealed by Power Recovery oil hydraulic motor; Tested oil hydraulic pump filler opening is communicated with Power Recovery oil hydraulic motor oil outlet, and tested oil hydraulic pump oil outlet connects load-on module and handover module; Tested oil hydraulic pump oil outlet passes through load-on module, by the pressure of deceleration loading device regulating system, and the actual conditions of simulated solution press pump; Tested oil hydraulic pump oil outlet is communicated with Power Recovery oil hydraulic motor by handover module, is Power Recovery oil hydraulic motor fuel feeding.
6. torsion type oil hydraulic pump as claimed in claim 1 and oil hydraulic motor Power Recovery test platform, it is characterized in that: described torsion type oil hydraulic pump and oil hydraulic motor Power Recovery test platform form open type torque compensation oil hydraulic motor Power Recovery loop, and this loop is mainly used in all kinds of oil hydraulic motor of open type mode detection;
Make the two position, three-way electromagnetic change valve of handover module (12) be in open mode, ball valve I (9), ball valve III (11) are in open mode, and ball valve II (10) is in closed condition, and connect clutch (4), this loop does not start slippage pump; Loading oil hydraulic pump is installed in oil hydraulic pump (1) position, and tested oil hydraulic motor is installed in oil hydraulic motor position; Flow transducer III (21) connects tested oil hydraulic motor and reveals mouth, and the direct connected tank of mouth revealed by loading oil hydraulic pump; Load with oil hydraulic pump filler opening connected tank, oil outlet connects load-on module and handover module; Loading volume adjustable hydraulic pump oil outlet passes through load-on module, by the pressure of deceleration loading device regulating system, the actual conditions of simulated solution pressure motor, the oil outlet of oil hydraulic motor (6) connects plug-in mounting throttle valve (18), for oil hydraulic motor (6) provides back pressure by ball valve III (11); Loading volume adjustable hydraulic pump oil outlet is communicated with tested oil hydraulic motor by handover module, is tested oil hydraulic motor fuel feeding.
7. torsion type oil hydraulic pump as claimed in claim 1 and oil hydraulic motor Power Recovery test platform, it is characterized in that: described torsion type oil hydraulic pump and oil hydraulic motor Power Recovery test platform form enclosed torque compensation oil hydraulic motor Power Recovery loop, and this loop is mainly used in all kinds of oil hydraulic motor of enclosed mode detection;
Make the two position, three-way electromagnetic change valve of handover module (12) be in open mode, ball valve I (9), ball valve III (11) are in closed condition, and ball valve II (10) is in open mode, connect clutch (4), start slippage pump (7); Loading oil hydraulic pump is installed in oil hydraulic pump (1) position, and tested oil hydraulic motor is installed in oil hydraulic motor (6) position; Flow transducer III (21) connects tested oil hydraulic motor and reveals mouth, and the direct connected tank of mouth revealed by loading oil hydraulic pump; Loading oil hydraulic pump filler opening is connected with tested oil hydraulic motor oil outlet, and loading oil hydraulic pump oil outlet connects load-on module and handover module, and by the pressure of load-on module regulating system, tested oil hydraulic motor is by loading oil hydraulic pump fuel feeding.
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Cited By (4)

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CN105128662A (en) * 2015-07-31 2015-12-09 燕山大学 Hydraulic bridge crane generator energy-saving power generation system
CN105697353A (en) * 2016-01-21 2016-06-22 燕山大学 Comprehensive testing device for fault simulation and state detection for hydraulic pump under variable working condition
CN106151171A (en) * 2016-07-04 2016-11-23 意宁液压股份有限公司 A kind of hydraulic motor and hydraulic pump universal test hydraulic system
CN107165893A (en) * 2017-06-22 2017-09-15 镇江四联机电科技有限公司 A kind of inexpensive multifunctional solution compression testing device

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