CN104481971B - 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 PDFInfo
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- CN104481971B CN104481971B CN201410775958.8A CN201410775958A CN104481971B CN 104481971 B CN104481971 B CN 104481971B CN 201410775958 A CN201410775958 A CN 201410775958A CN 104481971 B CN104481971 B CN 104481971B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
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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
Technical field
The invention belongs to a kind of test Apparatus and method for, especially a kind of torsion type hydraulic pump and hydraulic motor power
Reclaim test platform.
Background technology
Hydraulic pump and hydraulic motor test platform be for hydraulic pump and motor are carried out performance detection, reliability testing with
And the necessaries of related law research.Power Recovery test platform in early days can only test fluid press pump, the survey to hydraulic motor
Examination cannot use Power Recovery pattern；And major part all uses overflow throttle style to implement to load, the energy of motor output
Almost all is converted into heat, and it is very big that on the one hand this make to test energy consumption, carries out high pressure especially for hydraulic pump, flows greatly
When measuring examination, electrical network the most also can be impacted more greatly by energy consumption.There has been proposed several employing Power Recovery to survey for this
Method for testing: electric power way of recycling, mechanical compensation Power Recovery mode, fluid compensate Power Recovery mode, surveyed with regard to present stage
There is some deficiency following in examination platform: 1, can not complete the Power Recovery pattern test of hydraulic motor；2, test hydraulic circuit
More single, institute's test fluid press pump and motor scope are less.
Summary of the invention
It is an object of the invention to overcome weak point of the prior art, it is provided that a kind of torsion type hydraulic pump and hydraulic motor
Power Recovery test platform.
The present invention completes its invention task and is adopted the technical scheme that:
A kind of torsion type hydraulic pump and hydraulic motor Power Recovery test platform, include hydraulic pump, drive motor, moment of torsion
Speed probe I and torque speed sensor II, hydraulic motor, clutch, slippage pump, handover module, load-on module and flow
Meter module；The input of described driving motor connect hydraulic motor and driving be provided with in the middle of input end of motor and hydraulic motor from
Clutch and torque speed sensor II；For detecting the speed and torque data driving motor two ends, input end of motor is installed
Clutch is for the break-make of hydraulic motor；The oil-out of hydraulic pump connects handover module and load-on module, described load-on module
In parallel with handover module, described load-on module other end connection traffic meter module, the other end of described handover module connects hydraulic pressure
The oil-in of motor, the oil-out of hydraulic motor connects plug-in mounting choke valve by ball valve III, provides back pressure for hydraulic motor；Described
Handover module include two position, three-way electromagnetic change valve and overflow valve；Described load-on module include plug-in mounting overflow valve, three
Position four-way electromagnetic reversing valve, electromagnetic proportion relief valve and manual adjustable relief valve；Described flow meter modules includes three streams
Quantity sensor i.e. flow transducer I, flow transducer II and flow transducer III；Wherein, flow transducer I, flow transducer
II measurement of discharge scope is different, selects different flow transducers according to the size of flow system flow, by flow transducer I,
Ball valve before flow transducer II realizes switching；Described test platform is provided with ball valve I, ball valve II and ball valve III；Described
Ball valve I be arranged between described hydraulic pump and fuel tank, described ball valve II is positioned at oil-out and the institute of described hydraulic motor
Stating between the oil-in of hydraulic pump, described ball valve III is between described plug-in mounting choke valve and described hydraulic motor export；
The amount of leakage of hydraulic pump or hydraulic motor measured by effusion meter III, if test is hydraulic pump, by flow transducer III connection
To the leakage mouth of tested hydraulic pump, if test is hydraulic motor, then flow transducer III is connected to tested hydraulic pressure
The leakage mouth of motor；Slippage pump is quantitative gear pump, is mainly used in the test of closed circuit, for closed loop system repairing, leads to
Cross overflow valve and set the pressure of oil-supplementing system, prevent the backflow of hydraulic oil in slippage pump outlet equipped with check valve.
Described hydraulic pump is tested hydraulic pump or loading hydraulic pump；Hydraulic pump is examined by described test platform
During survey, described hydraulic pump is tested hydraulic pump；When hydraulic motor is detected by described test platform, described hydraulic pressure
Pump uses loading hydraulic pump, and described loading hydraulic pump uses volume adjustable hydraulic pump；Described hydraulic motor is tested test solution
Pressure motor or Power Recovery hydraulic motor；When hydraulic motor is detected by described test platform, described hydraulic motor
For tested hydraulic motor；When hydraulic pump is detected by described test platform, described hydraulic motor is that Power Recovery is used
Hydraulic motor, described Power Recovery hydraulic motor uses double-action variable displacement motor.
Described torsion type hydraulic pump and hydraulic motor Power Recovery test platform constitute open type without torque compensation hydraulic pump merit
Rate reclaims loop, and this loop predominantly detects all kinds of power open hydraulic pump at below 50kW；
The two position, three-way electromagnetic change valve making handover module is closed, and ball valve I, ball valve III are in open mode,
Ball valve II is closed, cut-off clutch；This loop does not start slippage pump；Tested hydraulic pump is installed in hydraulic pump position,
Flow transducer III connects tested hydraulic pump and reveals mouth；Tested hydraulic pump oil-in connected tank, oil-out connects load-on module,
By the pressure of load-on module regulation system, the actual condition of simulated solution press pump, and pressure oil is made to return to after passing through flow meter modules
Fuel tank；
Described torsion type hydraulic pump and hydraulic motor Power Recovery test platform constitute open type torque compensation hydraulic pump power
Reclaiming loop, this loop predominantly detects all kinds of power open hydraulic pump at more than 50kW；
The two position, three-way electromagnetic change valve making handover module is in open mode, and ball valve I, ball valve III are in open mode,
Ball valve II is closed, and connects clutch；This loop does not start slippage pump；Tested hydraulic pump is installed in hydraulic pump position,
Hydraulic motor position installation power recovery hydraulic motor；Flow transducer III connects tested hydraulic pump and reveals mouth, and power returns
The direct connected tank of mouth revealed by receipts hydraulic motor；Tested hydraulic pump oil-in connected tank, oil-out connects load-on module and switching
Module；Tested hydraulic pump oil-out passes through load-on module, by the pressure of charger regulation system, the reality of simulated solution press pump
Operating mode；Tested hydraulic pump oil-out connects Power Recovery hydraulic motor oil-in by handover module, uses for Power Recovery
Hydraulic motor fuel feeding；
Described torsion type hydraulic pump and hydraulic motor Power Recovery test platform constitute enclosed torque compensation hydraulic pump power
Reclaiming loop, this loop predominantly detects all kinds of closed type hydraulic pump；
The two position, three-way electromagnetic change valve making handover module is in open mode, and ball valve I, ball valve III are closed,
Ball valve II is in open mode, connects clutch；This loop start slippage pump；Tested hydraulic pump, liquid are installed in hydraulic pump position
Pressure motor position installation power recovery hydraulic motor；Flow transducer III connects tested hydraulic pump and reveals mouth, Power Recovery
The direct connected tank of mouth is revealed with hydraulic motor；Tested hydraulic pump oil-in connects with Power Recovery hydraulic motor oil-out,
Tested hydraulic pump oil-out connects load-on module and handover module；Tested hydraulic pump oil-out passes through load-on module, by loading
The pressure of device regulation system, the actual condition of simulated solution press pump；Tested hydraulic pump oil-out connects merit by handover module
Rate recovery hydraulic motor, for Power Recovery hydraulic motor fuel feeding；
Described torsion type hydraulic pump and hydraulic motor Power Recovery test platform constitute open type torque compensation hydraulic motor merit
Rate reclaims loop, and this loop is mainly used in all kinds of hydraulic motor of open type mode detection；
The two position, three-way electromagnetic change valve making handover module is in open mode, and ball valve I, ball valve III are in open mode,
Ball valve II is closed, and connects clutch, and this loop does not start slippage pump；Loading hydraulic pump is installed in hydraulic pump position,
Tested hydraulic motor is installed in hydraulic motor position；Flow transducer III connects tested hydraulic motor and reveals mouth, loading liquid
Press pump reveals the direct connected tank of mouth；Loading and use hydraulic pump oil-in connected tank, oil-out connects load-on module and handover module；Load
With volume adjustable hydraulic pump oil-out by load-on module, by the pressure of charger regulation system, the actual work of simulated solution pressure motor
Condition, the oil-out of hydraulic motor connects plug-in mounting choke valve by ball valve III, provides back pressure for hydraulic motor；Load and use variable liquid
Press pump oil-out connects tested hydraulic motor by handover module, for tested hydraulic motor fuel feeding；
Described torsion type hydraulic pump and hydraulic motor Power Recovery test platform constitute enclosed torque compensation hydraulic motor merit
Rate reclaims loop, and this loop is mainly used in all kinds of hydraulic motor of enclosed mode detection；
The two position, three-way electromagnetic change valve making handover module is in open mode, and ball valve I, ball valve III are closed,
Ball valve II is in open mode, connects clutch, starts slippage pump；Loading hydraulic pump, hydraulic motor are installed in hydraulic pump position
Tested hydraulic motor is installed in position；Flow transducer III connects tested hydraulic motor and reveals mouth, and loading hydraulic pump is revealed
Mouth directly connected tank；Loading hydraulic pump oil-in is connected with tested hydraulic motor oil-out, loads and uses hydraulic pump oil-out
Connecing load-on module and handover module, by the pressure of load-on module regulation system, tested hydraulic motor is by loading hydraulic pump
Fuel feeding.
A kind of torsion type hydraulic pump of present invention proposition and hydraulic motor Power Recovery test platform, it is possible to complete hydraulic pressure horse
The Power Recovery pattern test reached；Institute's test fluid press pump and hydraulic motor scope are bigger；Power Recovery test and proper testing mould
Formula can be switched fast.
Accompanying drawing explanation
Fig. 1 is the hydraulic schematic diagram of test platform of the present invention.
In figure: 1, hydraulic pump, 2, torque speed sensor I, 3, drive motor, 4, clutch, 5, torque speed sensor
II, 6, hydraulic motor, 7, slippage pump, 8, overflow valve overflow valve, 9, ball valve I, 10, ball valve II, 11, ball valve III, 12, two-position three way
Solenoid directional control valve, 13, overflow valve, 14, plug-in mounting overflow valve, 15, three-position four-way electromagnetic directional valve, 16, electromagnetic proportion relief valve,
17, manual adjustable relief valve, 18, plug-in mounting choke valve, 19, flow meter I, 20, flow meter II, 21, effusion meter III.
Detailed description of the invention
The present invention is further described with example in conjunction with accompanying drawing:
As it is shown in figure 1, a kind of torsion type hydraulic pump and hydraulic motor Power Recovery test platform, include hydraulic pump 1, turn round
Square speed probe I 2, driving motor 3, clutch 4, torque speed sensor II 5, hydraulic motor 6, slippage pump 7, overflow valve 8,
Ball valve I 9, ball valve II 10, ball valve III 11, two position, three-way electromagnetic change valve 12, overflow valve 13, plug-in mounting overflow valve 14,3-position 4-way
Solenoid directional control valve 15, electromagnetic proportion relief valve 16, manual adjustable relief valve 17, plug-in mounting choke valve 18, flow meter I 19, effusion meter
II 20, effusion meter III 21, fuel tank, all kinds of measuring instrument and connecting line.The input/output terminal of motor is mounted on moment of torsion rotating speed
Sensor, for detecting speed and the moment of torsion at two ends, drives input end of motor to be provided with the clutch 4 break-make for hydraulic motor.
Handover module includes two position, three-way electromagnetic change valve 12, overflow valve 13, is come by the break-make of two position, three-way electromagnetic change valve 12
Realize the switching of normal test mode and Power Recovery pattern.Load-on module includes plug-in mounting overflow valve 14,3-position 4-way electromagnetism
Reversal valve 15, electromagnetic proportion relief valve 16, manual adjustable relief valve 17, load-on module is used for regulating system working pressure；Simulation
Actual condition；Electromagnetic proportion relief valve 16 and manual adjustable relief valve 17 are the Two-stage control devices of plug-in mounting overflow valve 14, pass through
Three-position four-way electromagnetic directional valve realizes automatic Regulation and the switching of manual voltage regulation function.Flow meter modules includes three flows
Sensor；Flow transducer I 19,20 measurement of discharge scopes of flow meter II are different, select according to the size of flow system flow, pass through
Ball valve before two effusion meters realizes switching, and effusion meter III 21 mainly measures hydraulic pump or the amount of leakage of hydraulic motor,
If test is hydraulic pump, flow transducer III 21 is connected to is test for hydraulic pump and reveals mouth, if test is liquid
Flow transducer III 21 is then connected to be test for hydraulic motor and reveals mouth by pressure motor.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 hydraulic pump 1 and fuel tank, described ball valve II
10 between the oil-out and the oil-in of described hydraulic pump 1 of described hydraulic motor 6, and described ball valve III 11 is positioned at plug-in mounting
Between choke valve 18 and described hydraulic motor 6；Slippage pump 7 is quantitative gear pump, is mainly used in the test of closed circuit, for enclosed
Circuit system repairing, sets the pressure of oil-supplementing system by overflow valve 8, exports equipped with check valve at slippage pump, prevents hydraulic pressure
The backflow of oil.
Relevant all kinds of instrument are installed in system and are used for the various real time data of the system of monitoring.
The present invention can be divided into five kinds of measure loop to adapt to various types of hydraulic pressure by test specimen.
1), open type predominantly detects all kinds of power at below 50kW without torque compensation hydraulic pump Power Recovery loop, this loop
Open hydraulic pump；
The two position, three-way electromagnetic change valve 12 making handover module is closed, and ball valve I 9, ball valve III 11 are in and open
State, ball valve II 10 is closed, cut-off clutch 4；This loop does not start slippage pump；Hydraulic pump 1 position is installed tested
Test solution press pump, flow transducer III 21 connects tested hydraulic pump and reveals mouth；Tested hydraulic pump oil-in connected tank, oil-out
Connect load-on module, by the pressure of load-on module regulation system, the actual condition of simulated solution press pump, and make pressure oil pass through effusion meter
Fuel tank is returned to after module；
2), open type torque compensation hydraulic pump Power Recovery loop, this loop predominantly detects all kinds of power more than 50kW's
Open hydraulic pump；
The two position, three-way electromagnetic change valve 12 making handover module is in open mode, and ball valve I 9, ball valve III 11 are in and open
State, ball valve II 10 is closed, and connects clutch 4；This loop does not start slippage pump；Hydraulic pump 1 position is installed tested
Test solution press pump, hydraulic motor position installation power recovery hydraulic motor；Flow transducer III 21 connects tested hydraulic pump and lets out
Dew mouth, the direct connected tank of mouth revealed by Power Recovery hydraulic motor；Tested hydraulic pump oil-in connected tank, oil-out connects loading
Module and handover module；Tested hydraulic pump oil-out passes through load-on module, by the pressure of charger regulation system, simulated solution
The actual condition of press pump；Tested hydraulic pump oil-out connects Power Recovery hydraulic motor oil-in by handover module, for
Power Recovery hydraulic motor fuel feeding；
3), enclosed torque compensation hydraulic pump Power Recovery loop, this loop predominantly detects all kinds of closed type hydraulic pump；
The two position, three-way electromagnetic change valve 12 making handover module is in open mode, and ball valve I 9, ball valve III 11 are in closedown
State, ball valve II 10 is in open mode, connects clutch 4；This loop start slippage pump；Hydraulic pump 1 position is installed tested
Hydraulic pump, hydraulic motor position installation power recovery hydraulic motor；Flow transducer III 21 connects tested hydraulic pump to be revealed
Mouthful, the direct connected tank of mouth revealed by Power Recovery hydraulic motor；Tested hydraulic pump oil-in and Power Recovery hydraulic motor
Oil-out connects, and tested hydraulic pump oil-out connects load-on module and handover module；Tested hydraulic pump oil-out is by loading
Module, by the pressure of charger regulation system, the actual condition of simulated solution press pump；Tested hydraulic pump oil-out is by switching
Module connection Power Recovery hydraulic motor, for Power Recovery hydraulic motor fuel feeding；
4), open type torque compensation hydraulic motor Power Recovery loop, this loop is mainly used in all kinds of liquid of open type mode detection
Pressure motor；
The two position, three-way electromagnetic change valve 12 making handover module is in open mode, and ball valve I 9, ball valve III 11 are in and open
State, ball valve II 10 is closed, and connects clutch 4, and this loop does not start slippage pump；Hydraulic pump 1 position is installed and is loaded
With hydraulic pump, tested hydraulic motor is installed in hydraulic motor position；Flow transducer III 21 connects tested hydraulic motor to be revealed
Mouthful, the direct connected tank of mouth revealed by loading hydraulic pump；Loading and use hydraulic pump oil-in connected tank, oil-out connects load-on module and cuts
Die change block；Load with volume adjustable hydraulic pump oil-out by load-on module, by the pressure of charger regulation system, simulate hydraulic pressure horse
The actual condition reached, the oil-out of hydraulic motor 6 connects plug-in mounting choke valve 18 by ball valve III 11, provides the back of the body for hydraulic motor 6
Pressure；Loading volume adjustable hydraulic pump oil-out connects tested hydraulic motor by handover module, for tested hydraulic motor fuel feeding；
5) enclosed torque compensation hydraulic motor Power Recovery loop, this loop is mainly used in all kinds of hydraulic pressure of enclosed mode detection
Motor；
The two position, three-way electromagnetic change valve 12 making handover module is in open mode, and ball valve I 9, ball valve III 11 are in closedown
State, ball valve II 10 is in open mode, connects clutch 4, starts slippage pump 7；Loading hydraulic pressure is installed in hydraulic pump 1 position
Pump, tested hydraulic motor is installed in hydraulic motor 6 position；Flow transducer III 21 connects tested hydraulic motor and reveals mouth, adds
The direct connected tank of mouth revealed by load hydraulic pump；Loading hydraulic pump oil-in is connected with tested hydraulic motor oil-out, loads
Connecing load-on module and handover module with hydraulic pump oil-out, by the pressure of load-on module regulation system, tested hydraulic motor leads to
Cross loading hydraulic pump fuel feeding.
Claims (2)
1. torsion type hydraulic pump and a hydraulic motor Power Recovery test platform, described test platform include hydraulic pump (1),
Torque speed sensor I (2), hydraulic motor (6) and handover module, load-on module；The oil-out of hydraulic pump (1) connects switching mould
Block and load-on module, described load-on module is in parallel with handover module, described load-on module other end connection traffic meter module, institute
The other end stating handover module connects the oil-in of hydraulic motor (6)；It is characterized in that: described test platform also includes driving
Motor (3), torque speed sensor II (5), clutch (4), slippage pump (7) and flow meter modules；Described driving motor (3)
Input connects hydraulic motor (6) and driving input end of motor is provided with clutch (4) and torque axis in the middle of hydraulic motor (6)
Speed sensor II (5)；For detecting the speed and torque data driving motor two ends, the clutch that input end of motor is installed is used for
The break-make of hydraulic motor；The oil-out of hydraulic motor (6) connects plug-in mounting choke valve (18) by ball valve III (11), for hydraulic pressure horse
Reach (6) and back pressure is provided；Described handover module includes two position, three-way electromagnetic change valve (12) and overflow valve (13)；Described adds
Carry module include plug-in mounting overflow valve (14), three-position four-way electromagnetic directional valve (15), electromagnetic proportion relief valve (16) and manually may be used
Adjust overflow valve (17)；Described flow meter modules includes three flow transducers i.e. 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 not
With, select different flow transducers according to the size of flow system flow, by flow transducer I (19), flow transducer II
(20) ball valve before realizes switching；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 hydraulic pump (1) and fuel tank, and described ball valve II (10) is positioned at described hydraulic pressure horse
Reaching between the oil-out of (6) and the oil-in of described hydraulic pump (1), described ball valve III (11) is positioned at described plug-in mounting choke valve
(18) and between the outlet of described hydraulic motor (6)；Effusion meter III (21) measures hydraulic pump (1) or the leakage of hydraulic motor (6)
Amount, if tested hydraulic pump, is connected to the leakage mouth of tested hydraulic pump by flow transducer III (21), if right
Hydraulic motor carries out testing, and flow transducer III (21) is connected to the leakage mouth of tested hydraulic motor；Slippage pump (7) is
Quantitative gear pump, is mainly used in the test of closed circuit, for closed loop system repairing, sets repairing system by overflow valve (8)
The pressure of system, prevents the backflow of hydraulic oil in slippage pump (7) outlet equipped with check valve；
Described torsion type hydraulic pump and hydraulic motor Power Recovery test platform constitute open type and return without torque compensation hydraulic pump power
Regaining road, this loop predominantly detects all kinds of power open hydraulic pump at below 50kW；Make the two-position three-way electromagnetic of handover module
Reversal valve (12) is closed, and ball valve I (9), ball valve III (11) are in open mode, and ball valve II (10) is in closedown shape
State, cut-off clutch (4)；This loop does not start slippage pump；Tested hydraulic pump, flow transducer are installed in hydraulic pump (1) position
III (21) connects tested hydraulic pump reveals mouth；Tested hydraulic pump oil-in connected tank, oil-out connects load-on module, by loading
The pressure of module regulation system, the actual condition of simulated solution press pump, and make pressure oil return to fuel tank after passing through flow meter modules；
Described torsion type hydraulic pump and hydraulic motor Power Recovery test platform constitute open type torque compensation hydraulic pump Power Recovery
Loop, this loop predominantly detects all kinds of power open hydraulic pump at more than 50kW；The two-position three-way electromagnetic making handover module changes
Being in open mode to valve (12), ball valve I (9), ball valve III (11) are in open mode, and ball valve II (10) is closed,
Connect clutch (4)；This loop does not start slippage pump；Tested hydraulic pump is installed in hydraulic pump (1) position, and hydraulic motor position is pacified
Dress Power Recovery hydraulic motor；Flow transducer III (21) connects tested hydraulic pump and reveals mouth, and Power Recovery uses hydraulic pressure horse
Reach the leakage direct connected tank of mouth；Tested hydraulic pump oil-in connected tank, oil-out connects load-on module and handover module；Tested
Hydraulic pump oil-out passes through load-on module, by the pressure of charger regulation system, the actual condition of simulated solution press pump；Tested
Hydraulic pump oil-out connects Power Recovery hydraulic motor oil-in by handover module, supplies for Power Recovery hydraulic motor
Oil；
Described torsion type hydraulic pump and hydraulic motor Power Recovery test platform constitute enclosed torque compensation hydraulic pump Power Recovery
Loop, this loop predominantly detects all kinds of closed type hydraulic pump；The two position, three-way electromagnetic change valve (12) making handover module is in be opened
State, ball valve I (9), ball valve III (11) be closed, and ball valve II (10) is in open mode, connects clutch (4)；This
Loop start slippage pump；Tested hydraulic pump is installed in hydraulic pump (1) position, and hydraulic motor position installation power reclaims and uses hydraulic pressure horse
Reach；Flow transducer III (21) connects tested hydraulic pump and reveals mouth, and the direct connected tank of mouth revealed by Power Recovery hydraulic motor；
Tested hydraulic pump oil-in connects with Power Recovery hydraulic motor oil-out, and tested hydraulic pump oil-out connects load-on module
And handover module；Tested hydraulic pump oil-out passes through load-on module, by the pressure of charger regulation system, simulated solution press pump
Actual condition；Tested hydraulic pump oil-out connects Power Recovery hydraulic motor by handover module, uses for Power Recovery
Hydraulic motor fuel feeding；
Described torsion type hydraulic pump and hydraulic motor Power Recovery test platform constitute open type torque compensation hydraulic motor power and return
Regaining road, this loop is mainly used in all kinds of hydraulic motor of open type mode detection；Make the two position, three-way electromagnetic change valve of handover module
(12) being in open mode, ball valve I (9), ball valve III (11) are in open mode, and ball valve II (10) is closed, and connect
Clutch (4), this loop does not start slippage pump；Loading hydraulic pump is installed in hydraulic pump (1) position, and quilt is installed in hydraulic motor position
Test fluid pressure motor；Flow transducer III (21) connects tested hydraulic motor and reveals mouth, and it is direct that mouth revealed by loading hydraulic pump
Connected tank；Loading and use hydraulic pump oil-in connected tank, oil-out connects load-on module and handover module；Loading variable delivery hydraulic pumps out
Hydraulic fluid port passes through load-on module, by the pressure of charger regulation system, the actual condition of simulated solution pressure motor, hydraulic motor (6)
Oil-out by ball valve III (11) connect plug-in mounting choke valve (18), for hydraulic motor (6) provide back pressure；Load and use variable liquid
Press pump oil-out connects tested hydraulic motor by handover module, for tested hydraulic motor fuel feeding；
Described torsion type hydraulic pump and hydraulic motor Power Recovery test platform constitute enclosed torque compensation hydraulic motor power and return
Regaining road, this loop is mainly used in all kinds of hydraulic motor of enclosed mode detection；Make the two position, three-way electromagnetic change valve of handover module
(12) being in open mode, ball valve I (9), ball valve III (11) are closed, and ball valve II (10) is in open mode, connect
Clutch (4), starts slippage pump (7)；Loading hydraulic pump is installed in hydraulic pump (1) position, and hydraulic motor (6) position is installed tested
Test solution pressure motor；Flow transducer III (21) connects tested hydraulic motor and reveals mouth, and loading hydraulic pump is revealed mouth and directly connect
Fuel tank；Loading hydraulic pump oil-in is connected with tested hydraulic motor oil-out, and loading hydraulic pump oil-out connects loading mould
Block and handover module, by the pressure of load-on module regulation system, tested hydraulic motor passes through loading hydraulic pump fuel feeding.
2. torsion type hydraulic pump as claimed in claim 1 and hydraulic motor Power Recovery test platform, it is characterised in that: described
Hydraulic pump (1) be tested hydraulic pump or loading hydraulic pump；When hydraulic pump is detected by described test platform, described
Hydraulic pump (1) be tested hydraulic pump；When hydraulic motor is detected by described test platform, described hydraulic pump (1)
Using loading hydraulic pump, described loading hydraulic pump uses volume adjustable hydraulic pump；Described hydraulic motor (6) is tested test solution
Pressure motor or Power Recovery hydraulic motor；When hydraulic motor is detected by described test platform, described hydraulic motor
(6) it is tested hydraulic motor；When hydraulic pump is detected by described test platform, described hydraulic motor (6) is power
Recovery hydraulic motor, described Power Recovery hydraulic motor uses double-action variable displacement motor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410775958.8A CN104481971B (en) | 2014-12-15 | 2014-12-15 | Torque-type hydraulic pump and hydraulic motor power recovery test platform |
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| CN201410775958.8A CN104481971B (en) | 2014-12-15 | 2014-12-15 | Torque-type hydraulic pump and hydraulic motor power recovery test platform |
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| CN104481971B true CN104481971B (en) | 2017-01-11 |
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| CN105697353B (en) * | 2016-01-21 | 2017-11-24 | 燕山大学 | A kind of variable working condition Hydraulic pump fault simulation and state-detection combined test apparatus |
| CN106151171B (en) * | 2016-07-04 | 2017-12-22 | 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 |
| 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 |
| CN110541815A (en) * | 2019-09-20 | 2019-12-06 | 广西玉柴重工有限公司 | Excavator pump power debugging device |
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| CN102562563A (en) * | 2012-01-11 | 2012-07-11 | 福州大学 | Energy-saving stepless pressure regulating type hydraulic system for high-pressure pump performance test bench |
| CN102937125A (en) * | 2012-11-06 | 2013-02-20 | 三一重工股份有限公司 | Testing system of hydraulic motor |
| CN103291688A (en) * | 2013-06-08 | 2013-09-11 | 浙江大学 | Hydraulic pump motor test bed with energy recovery device and using method thereof |
| CN103982489A (en) * | 2014-06-03 | 2014-08-13 | 中南大学 | Modularized control device for testing hydraulic pump and hydraulic motor |
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| JPS60109654A (en) * | 1983-11-18 | 1985-06-15 | Hitachi Constr Mach Co Ltd | Power recovering device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562563A (en) * | 2012-01-11 | 2012-07-11 | 福州大学 | Energy-saving stepless pressure regulating type hydraulic system for high-pressure pump performance test bench |
| CN102937125A (en) * | 2012-11-06 | 2013-02-20 | 三一重工股份有限公司 | Testing system of hydraulic motor |
| CN103291688A (en) * | 2013-06-08 | 2013-09-11 | 浙江大学 | Hydraulic pump motor test bed with energy recovery device and using method thereof |
| CN103982489A (en) * | 2014-06-03 | 2014-08-13 | 中南大学 | Modularized control device for testing hydraulic pump and hydraulic motor |
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