CN106151172B - A kind of hydraulic pump motor test device and the method tested using the device - Google Patents
A kind of hydraulic pump motor test device and the method tested using the device Download PDFInfo
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- CN106151172B CN106151172B CN201610533205.5A CN201610533205A CN106151172B CN 106151172 B CN106151172 B CN 106151172B CN 201610533205 A CN201610533205 A CN 201610533205A CN 106151172 B CN106151172 B CN 106151172B
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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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of hydraulic pump motor test device,Including hydraulic test system,Tested hydraulic pump or motor and starter,Tested hydraulic pump or motor and starter are separately positioned in hydraulic test system,Also include normal temperature room,Low temperature chamber,Hot room,Starter is arranged on normal temperature chamber interior,Starter includes starter motor,Start pump,Low-temperature test hydraulic pump and hot test hydraulic pump,Low temperature chamber is internally provided with low temperature fuel tank and the low temperature connected with low temperature fuel tank is tested hydraulic pump or motor,Low temperature is tested hydraulic pump or motor low-temperature test hydraulic pump elastic connection corresponding with normal temperature room,Hot room is internally provided with high temperature fuel tank and the high temperature connected with high temperature fuel tank is tested hydraulic pump or motor,High temperature is tested hydraulic pump or motor high temperature test hydraulic pump elastic connection corresponding with normal temperature room,Low-temperature test hydraulic pump and high temperature test hydraulic pump are connected with starting pump and starter motor respectively.Also disclose the method tested using the device.
Description
Technical field
The present invention relates to the all-round property testing technical field of hydraulic mechanical equipment, more particularly, to a kind of hydraulic pump motor
Test device and the method tested using the device.
Background technology
The working environment of the hydraulic mechanical equipment such as hydraulic motor and hydraulic pump, carries out, exists sometimes at low temperature sometimes
Carried out under high temperature, this just need under the low temperature environment to hydraulic machinery whether the performance that can normally start, and in high temperature ring
The performance such as lasting normal work of hydraulic machinery is tested under border, in order to preferably grasp its performance, is improved and is developed newly
Product.
But the hydraulic machinery that existing test device and method of testing can only be directed under single environment is individually tested,
And larger low temperature or high temperature fuel tank are required in test process, test device is required for the larger of setting can be real
It is existing, and existing test process is all the test that data are realized by partial circulating, and the backmans such as auxiliary meter are also wanted in test
Have to complete, require all very high from the requirement of test device or from test into original see, meanwhile, existing hydraulic press
The test of tool is only tested for the hydraulic pump or hydraulic motor of single model, it is impossible to is generally applicable to various model rule
The hydraulic machinery of lattice.Also can not accomplish using same hydraulic system to the cold-starting of hydraulic pump motor and the height of hydraulic pump motor
Warm nature can be tested.
Chinese patent literature（Notification number：On September 11st, 2013, the day for announcing：CN103291688A）Disclose a kind of band energy
Amount recovery hydraulic pump motor test rig includes dynamical system, hydraulic pump motor test device and energy recycle device；The power
System includes the first frequency converter and asynchronous motor；The hydraulic pressure testing device includes hydraulic pump and hydraulic motor；The energy
Retracting device includes asynchronous generator and the second frequency converter；First frequency converter and asynchronous electric mechatronics；It is described asynchronous
Motor and hydraulic pump are connected with each other, and are connected between the hydraulic pump and hydraulic motor by hydraulic oil pipeline；The hydraulic pressure
Pass through interconnection between motor and asynchronous generator；The asynchronous generator and the electrical connection of the second frequency converter, described second becomes
Frequency device electrically connects with the first frequency converter.
What above-mentioned technical proposal solved is to reduce energy loss, the problem of realizing energy regenerating.
Chinese patent literature（The day for announcing：On January 22nd, 2014, notification number：CN103527563A）Disclose a kind of hydraulic pressure
The test device of motor starting performance, including oscillating motor, hydraulic system and mounting platform, mounting platform are provided with test
Frame, the first transmission bracket, the second transmission bracket and limiting bracket, wherein, testing jig is provided with torque speed sensor；First passes
Dynamic support and the second transmission bracket are located at the both sides of testing jig respectively, pass through shaft coupling and the power transmission shaft of torque speed sensor
Connection；First transmission bracket and the output axis connection of tested solution pressure motor, the output of the second transmission bracket and oscillating motor
Axis connection, oscillating motor are the gear-and-rack swing hydraulic cylinder for overhanging piston rod type, the piston rod external part end of its side
Portion is connected with length-adjustable extending part, and positive stop is provided with front of the external part of extending part, and positive stop is fixed in
On limiting bracket.Invention additionally discloses a kind of method of testing of hydraulic motor starting performance.Present system is simple in construction, operation
It is convenient, it is cheap, it can promote the use of.
Above-mentioned technical proposal provides a kind of test device and method of hydraulic motor starting performance, and the content is only limitted to liquid
The starting test of pressure motor, is unable to the test for meeting other hydraulic tests, and the test device and method are complicated,
Starting power is big, and the apparatus and method are only suitable for the starting of the hydraulic motor under normal temperature.
Chinese patent literature（The day for announcing：On December 15th, 2010, notification number：CN201671914U）Disclose a kind of height
Warm hydraulic motor testing device, including：High-temperature pump, the tested high temperature hydraulic motor of high-temperature pump connection, high-temperature pump is by adjustable speed motor
Drive, to be tested the hydraulic oil that high temperature hydraulic motor provides high temperature；Magnetic powder brake, magnetic powder brake and tested high temperature hydraulic pressure horse
It is connected up to output shaft, and applies variable load for tested high temperature hydraulic motor；Test module, test module are separately positioned on tested
In the hydraulic oil outlet and entrance and output shaft of high temperature hydraulic motor, the pressure of the tested high temperature hydraulic motor of test module test
Power, flow, rotating speed and moment of torsion.The utility model uses high-temperature pump, magnetic powder brake and test module, to being tested high temperature hydraulic pressure horse
Up to simulation flowchart is carried out, the moment of torsion after the pressure being tested under hydraulic motor actual working state, flow and bringing onto load is emulated
And rotating speed, it can emulate to obtain performance parameter under hydraulic motor actual working state, and the utility model is simple in construction, cost is low
It is honest and clean, the amount of labour is small, efficiency high.
Above-mentioned technical proposal is in order to realize the test to high temperature hydraulic motor, rather than to hydraulic motor in hot environment
The test of lower service behaviour.
The content of the invention
First goal of the invention of the present invention is to need to separate to solve the test to hydraulic pump motor in the prior art
To carry out, it is impossible to meet the test of the hydraulic pump motor of all kinds specification, and test environment requires high, duty is big, surveys
The problems such as degree uses driving power big, and a kind of test for the hydraulic pump motor that can be applied to various different sizes is provided, energy
Enough realize systemic circulation, test starting is convenient, and pump motor low-temperature startup performance and resistance to can be realized by a set of hydraulic test system
The hydraulic pump motor test device of high-temperature working performance test.
Second goal of the invention of the present invention provides a kind of method tested using hydraulic pump motor test device.
Technical scheme is used by the present invention realizes its first goal of the invention：A kind of hydraulic pump motor test device,
Including hydraulic test system, tested hydraulic pump or motor and starter, described tested hydraulic pump or motor and starter
It is separately positioned in hydraulic test system, in addition to normal temperature room, low temperature chamber, hot room, described starter are arranged on normal temperature
Chamber interior, described starter includes starter motor, starts pump, low-temperature test hydraulic pump and hot test hydraulic pump, described
Low temperature chamber be internally provided with low temperature fuel tank and the low temperature connected with low temperature fuel tank and be tested hydraulic pump or motor, described low temperature quilt
Survey hydraulic pump or motor low-temperature test hydraulic pump elastic connection corresponding with normal temperature room, described hot room are internally provided with height
Warm fuel tank and the high temperature connected with high temperature fuel tank are tested hydraulic pump or motor, and described high temperature is tested hydraulic pump or motor and normal temperature
Hot test hydraulic pump elastic connection corresponding to interior, described low-temperature test hydraulic pump and hot test hydraulic pump are respectively with opening
Dynamic pump connects with starter motor.The hydraulic pump motor test device, by a set of hydraulic test system, in the hydraulic test system
Middle to set different temperature chambers, low temperature chamber, hot room are set independently of normal temperature room, and other in low temperature chamber and high temperature indoor section
Low temperature fuel tank and high temperature fuel tank are provided with, and tested solution press pump or motor are separately positioned in low temperature according to test request
Inside room and hot room, low temperature is tested hydraulic pump or motor, high temperature is tested pump testing or motor, respectively with the test fluid in normal temperature room
Press pump is connected, and test hydraulic pump is connected with starting pump and starter motor respectively.Such scheme can be adapted to various different sizes
Or the hydraulic pump or motor of model carry out low-temperature startup performance test, or carry out the test of hot operation performance.During test, lead to
Cross proportional pressure control valve and realize the regulation for starting pump oil pressure, to adapt to the test needs of different capacity tested solution press pump or motor,
Starter motor, which drives, starts pump operating, and loading is fast, drives the operating of test hydraulic pump, so as to drive low temperature to be tested hydraulic pump or horse
Reach or drive high temperature to be tested hydraulic pump or motor running.Due to low temperature fuel tank and high temperature fuel tank be separately positioned on it is independent low
In greenhouse and hot room, cooling or quick heating, efficiency high, and the circulation of hydraulic test system can be quickly realized, it is not required to
Change hydraulic test system can and realize under low temperature hydraulic pump or motor under hydraulic pump or motor starting performance and high temperature
The test of runnability.It is convenient that test hydraulic pump is arranged on normal temperature chamber interior testing maintenance.
Preferably, described startup pump is volume adjustable hydraulic pump, described starter motor is hydraulic motor, described startup
Pump is started by starter motor to be operated, and the oil pressure of described startup pump passes through the proportional pressure control valve that is arranged in hydraulic test system
Control.Start pump preferred variable hydraulic pump and logical proportional pressure control valve realizes the adjustment control of charge oil pressure, the setting of the device makes
The low-temperature startup performance test and hot operation performance test for obtaining hydraulic pump or motor share a set of hydraulic test system and startup
Device so that test operation is convenient and swift.
Preferably, described low temperature is tested hydraulic pump or motor low-temperature test hydraulic pump corresponding with normal temperature room passes through
Shaft coupling elastic connection, described high temperature is tested hydraulic pump or motor hot test hydraulic pump corresponding with normal temperature room passes through connection
Axle device elastic connection.Such attachment structure make it that test run is steady, good test effect.
Preferably, the oil temperature of low temperature fuel tank is in -25 degree to -40 degree；The oil temperature of high temperature fuel tank is more than 55 degree.Set so
Temperature can realize test to being tested hydraulic pump or motor performance, and can enough ensures to test effect, will not cause to be tested
The damage of hydraulic pump or motor.
Preferably, it is provided with oil feeding reservoirs in normal temperature room in described hydraulic test system.Oil feeding reservoirs in normal temperature room
It is that repairing is carried out to hydraulic test system in order to realize.
Preferably, low temperature it is tested between hydraulic pump or motor and low temperature fuel tank and high temperature be tested hydraulic pump or motor with
Shared proportional pressure control valve is provided between high temperature fuel tank.Shared proportional pressure control valve is set to realize to low-temperature test or high temperature side
To tested solution press pump or the oil pressure cntrol of motor during examination, such structure operation is convenient, simple in construction.
Preferably, low temperature chamber is independently set with hot room and the area of low temperature chamber and hot room is respectively smaller than often
The area in greenhouse.Independent low temperature chamber and hot room are set, low temperature chamber, hot room can be made on the premise of test request is met
It is small as far as possible, so convenient cooling and heating, and also such setting disclosure satisfy that hydraulic pump or the horse of different size model
The test setting reached.
Technical scheme is used by the present invention realizes its second goal of the invention：It is a kind of using described in claim 1
The method that hydraulic pump motor test device is tested, driven by starter motor and start pump to hydraulic test system offer pressure
Oil, and the circulating oil path of hydraulic test system is selected as needed, low temperature is tested hydraulic pump or motor starting or make high temperature
Tested solution press pump or hydraulic motor start, and realize to hydraulic pump or motor low-temperature startup performance, or to hydraulic pump or motor
The test of hot operation performance.The method of testing, by a set of hydraulic test system, realize respectively to hydraulic pump or motor low temperature
The test of startability and hot operation performance, and this method of testing is easy to operate, can realize all size model
The test of hydraulic pump or motor, do not limited by environment, measurand, simultaneously as being provided with independent low temperature chamber and high temperature
Room cools and programming rate is fast, disclosure satisfy that the test request of different temperatures.
Preferably, when needing to test the low-temperature startup performance of hydraulic pump or motor, the corresponding low temperature of normal temperature chamber interior
The low-temperature test hydraulic pump of tested hydraulic pump or motor is activated, and is driven low temperature to be tested hydraulic pump or motor starting, is realized hydraulic pressure
Systemic circulation in test system, to realize that low temperature is tested the test of the low-temperature startup performance of hydraulic pump or motor；When needing to test
High temperature is tested hydraulic pump or during motor, control start pump charge oil pressure make normal temperature chamber interior correspond to high temperature be tested hydraulic pump or
The hot test hydraulic pump works of motor, drive high temperature to be tested hydraulic pump or motor, realize that high temperature is tested hydraulic pump or motor is high
The test of warm service behaviour.Hydraulic test system and starter need not be changed during test, it is possible to realize hydraulic pump or horse
Up to the test of low-temperature startup performance and hot operation performance, such test substantially increases testing efficiency, has a wide range of application, and surveys
It is good to try effect, and other auxiliary equipments are not needed during the test system, can directly be tested, be advantageous to hydraulic pump or motor
The raising of performance.
Preferably, starting pump uses volume adjustable hydraulic pump, and driven by starter motor and realize following for hydraulic test system
The control of ring and oil pressure.
The beneficial effects of the invention are as follows：The hydraulic pump motor test device and the method tested using the device, are made
With a set of hydraulic test system and starter, it is possible to achieve different tested object hydraulic motors or pump low-temperature startup performance
With the test of hot operation performance, and test hydraulic pump need not all be changed, simplify test installation process, shorten
The preparatory period of test, it is also beneficial to the waste to prevent the pollution of the environment with fluid；The startup for starting pump is driven using hydraulic motor
Mode, while adoption rate overflow valve carries out the adjustment control of input pressure, can realize the hydraulic pump or motor of different capacity
Test request, the cost of test system rationally controlled；Set up single low temperature chamber, low temperature fuel tank and hot room, high temperature
Fuel tank, the test of the hydraulic pump or motor of all size model can be realized, use range is wide, almost cover discharge capacity from zero to
All hydraulic pump product of the 8000ml/rev all hydraulic motor product and discharge capacity from zero to 750ml/rev；Energy-conservation, using this
Test device and the method tested using the test device, can save the energy more than 60%, and therefore subtract during experiment
Lacked energy loss, that is, the caloric value of system, so as to reduce cooling and heating capacity, reduce cooling and heating into
This, and advantageously ensure that the constant stable state transformation of experiment process oil temperature.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of hydraulic pump motor test device of the present invention；
Fig. 2 is another schematic diagram of hydraulic pump motor test device of the present invention；
In figure：1st, hydraulic test system, 2, tested hydraulic pump or motor, 21, low temperature be tested hydraulic pump or motor, 22, high
The tested hydraulic pump of temperature or motor, 3, starter, 4, normal temperature room, 5, low temperature chamber, 6, hot room, 7, starter motor, 8, start pump,
9th, low-temperature test hydraulic pump, 10, hot test hydraulic pump, 11, low temperature fuel tank, 12, high temperature fuel tank, 13, proportional pressure control valve, 14,
Shaft coupling, 15, oil feeding reservoirs, 16, share proportional pressure control valve.
Embodiment
Technical scheme is described in further detail below by specific embodiment and with reference to accompanying drawing.
Embodiment 1：
In the embodiment shown in fig. 1, test object is hydraulic pump in the utility model example, a kind of hydraulic pump motor test
Device, including hydraulic test system 1, tested hydraulic pump 2 and starter 3, tested hydraulic pump 2 and starter 3 are set respectively
In hydraulic test system 1, in addition to normal temperature room 4, low temperature chamber 5, hot room 6, starter 3 are arranged on inside normal temperature room 4, opened
Dynamic device 3 includes starter motor 7, starts pump 8, low-temperature test hydraulic pump 9 and hot test hydraulic pump 10, is set inside low temperature chamber 5
It is equipped with low temperature fuel tank 11 and the low temperature connected with low temperature fuel tank 11 is tested hydraulic pump 21, low temperature is tested hydraulic pump 21 and normal temperature room 4
The elastic connection of low-temperature test hydraulic pump 9, hot room 6 are internally provided with high temperature fuel tank 12 and connected with high temperature fuel tank 12 corresponding to interior
High temperature be tested hydraulic pump 22, high temperature is tested hydraulic pump 22 elastic connection of hot test hydraulic pump 10 corresponding with normal temperature room 4,
Low-temperature test hydraulic pump 9 and hot test hydraulic pump 9 are connected with starting pump 8 and starter motor 7 respectively.
Startup pump 8 is volume adjustable hydraulic pump, and starter motor 7 is hydraulic motor, starts pump 8 and starts operating by starter motor 7,
The oil pressure for starting pump 8 is controlled by the proportional pressure control valve 13 being arranged in hydraulic test system 1.
Low temperature is tested the low-temperature test hydraulic pump 9 corresponding with normal temperature room 4 of hydraulic pump 21 by the elastic connection of shaft coupling 14,
High temperature is tested the hot test hydraulic pump 10 corresponding with normal temperature room 4 of hydraulic pump 22 and passes through the elastic connection of shaft coupling 14.
The oil temperature of low temperature fuel tank 11 is in -25 degree to -40 degree；The oil temperature of high temperature fuel tank 12 is more than 55 degree.
Oil feeding reservoirs 15 is provided with normal temperature room 4 in hydraulic test system 1.
Between low temperature tested solution press pump 21 and low temperature fuel tank 11 and high temperature tested solution press pump 22 and high temperature fuel tank 12
Between be provided with shared proportional pressure control valve 16.
Low temperature chamber 5 is independently set with hot room 6 and the area of low temperature chamber 5 and hot room 6 is respectively smaller than normal temperature room 4
Area.
A kind of method tested using hydraulic pump motor test device, driven by starter motor 7 and start pump 8 to liquid
Press test system 1 to provide pressure oil, and select the circulating oil path of hydraulic test system 1 as needed, low temperature is tested hydraulic pressure
Pump 21 starts, or starts high temperature tested solution press pump 22, realizes to hydraulic pump low-temperature startup performance, or to hydraulic pump height
The test of warm runnability.
When needing to test the low-temperature startup performance of hydraulic pump, the corresponding low temperature tested solution press pump 21 inside normal temperature room 4
Low-temperature test hydraulic pump 9 be activated, drive low temperature tested solution press pump 21 to start, that realizes in hydraulic test system big following
Ring, to realize the low-temperature startup performance of low temperature tested solution press pump 21；When needing to test high temperature tested solution press pump 22, control
Starting the charge oil pressure of pump 8 makes normal temperature room 4 be internally corresponding to the hot test hydraulic pump 10 of high temperature tested solution press pump 22 to work,
High temperature tested solution press pump 22 is driven, realizes the test of the high-temperature working performance of high temperature tested solution press pump 22.
Start pump 8 and use volume adjustable hydraulic pump, and circulation and the oil for realizing hydraulic test system 1 are driven by starter motor 7
The control of pressure.
Embodiment 2：
In the embodiment shown in Figure 2, test object is hydraulic motor, a kind of hydraulic pump motor test device, including liquid
Test system 1, tested hydraulic motor 2 and starter 3 are pressed, tested hydraulic motor 2 and starter 3 are separately positioned on hydraulic pressure survey
In test system 1, in addition to normal temperature room 4, low temperature chamber 5, hot room 6, starter 3 are arranged on inside normal temperature room 4, starter 3
Low temperature is internally provided with including starter motor 7, startup pump 8, low-temperature test hydraulic pump 9 and hot test hydraulic pump 10, low temperature chamber 5
Fuel tank 11 and the low temperature that is connected with low temperature fuel tank 11 are tested hydraulic motor 21, low temperature be tested hydraulic motor 21 with it is right in normal temperature room 4
The elastic connection of low-temperature test hydraulic pump 9 answered, hot room 6 are internally provided with high temperature fuel tank 12 and the height connected with high temperature fuel tank 12
The tested hydraulic motor 22 of temperature, high temperature are tested the elastic connection of hot test hydraulic pump 10 corresponding with normal temperature room 4 of hydraulic motor 22,
Low-temperature test hydraulic pump 9 and hot test hydraulic pump 9 are connected with starting pump 8 and starter motor 7 respectively.
Startup pump 8 is volume adjustable hydraulic pump, and starter motor 7 is hydraulic motor, starts pump 8 and starts operating by starter motor 7,
The oil pressure for starting pump 8 is controlled by the proportional pressure control valve 13 being arranged in hydraulic test system 1.
Low temperature is tested the low-temperature test hydraulic pump 9 corresponding with normal temperature room 4 of hydraulic motor 21 and connected by the elasticity of shaft coupling 14
Connect, high temperature is tested the hot test hydraulic pump 10 corresponding with normal temperature room 4 of hydraulic motor 22 and passes through the elastic connection of shaft coupling 14.
The oil temperature of low temperature fuel tank 11 is in -25 degree to -40 degree；The oil temperature of high temperature fuel tank 12 is more than 55 degree.
Oil feeding reservoirs 15 is provided with normal temperature room 4 in hydraulic test system 1.
Between low temperature tested solution pressure motor 21 and low temperature fuel tank 11 and high temperature tested solution pressure motor 22 and high temperature oil
Shared proportional pressure control valve 16 is provided between case 12.
Low temperature chamber 5 is independently set with hot room 6 and the area of low temperature chamber 5 and hot room 6 is respectively smaller than normal temperature room 4
Area.
A kind of method tested using hydraulic pump motor test device, driven by starter motor 7 and start pump 8 to liquid
Press test system 1 to provide pressure oil, and select the circulating oil path of hydraulic test system 1 as needed, low temperature is tested hydraulic pressure
Motor 21 starts, or high temperature is tested hydraulic motor 22 and start, and realizes to hydraulic motor low-temperature startup performance, or
Test to hydraulic motor hot operation performance.
When needing to test the low-temperature startup performance of hydraulic motor, the corresponding low temperature inside normal temperature room 4 is tested hydraulic pressure horse
Low-temperature test hydraulic pump 9 up to 21 is activated, and is driven low temperature tested solution pressure motor 21 to start, is realized in hydraulic test system
Systemic circulation, to realize the low-temperature startup performance of low temperature tested solution pressure motor 21；When need test high temperature tested solution pressure motor
When 22, control starts the hot test liquid that the charge oil pressure of pump 8 makes normal temperature room 4 be internally corresponding to high temperature tested solution pressure motor 22
Press pump 10 works, and drives high temperature tested solution pressure motor 22, realizes the survey of the high-temperature working performance of high temperature tested solution pressure motor 22
Examination.
Start pump 8 and use volume adjustable hydraulic pump, and circulation and the oil for realizing hydraulic test system 1 are driven by starter motor 7
The control of pressure.
Hydraulic pump motor test device described in above-described embodiment and the method tested using the device, during test,
Hydraulic pump and hydraulic motor, which can be placed into the hydraulic test system of the application, to be tested.Pass through low-temperature test hydraulic pump
The elastic connection with tested solution press pump or motor is realized with hot test hydraulic pump.Startup pump and starter motor, which use, can both make
Again can be as the volume adjustable hydraulic pump that motor uses for pump, the product realizes discharge capacity from zero to maximum by electrical-liquid control
Step-less adjustment, the test of the hydraulic pump motor of all specifications and models can be met.Test hydraulic pump or motor under low-temperature condition
Startability, the hydraulic pump or motor met under low temperature environment can be developed, reduce the maintenance frequency of hydraulic pump or motor, ensure to set
Standby normal startup operating, tests hydraulic pump or the resistant to elevated temperatures working order of motor under the condition of high temperature.And this test device and side
Method, the systemic circulation of hydraulic test system can be realized, be advantageous to system repairing, meanwhile, tested solution press pump or motor are set respectively
Put inside the low temperature chamber and hot room individually set up, heating and cooling are fast, easy to operate, and soundproof effect is good, and cost is low.
The hydraulic pump motor test device and the method tested using the device, using a set of hydraulic test system and
Starter, it is possible to achieve the survey of different tested object hydraulic motor or pump low-temperature startup performance and hot operation performances
Examination, and test hydraulic pump need not all be changed, and simplify test installation process, shorten the preparatory period of test,
Be advantageous to the waste to prevent the pollution of the environment with fluid；The Starting mode for starting pump, while adoption rate are driven using hydraulic motor
Overflow valve carries out the adjustment control of input pressure, can realize the hydraulic pump of different capacity or the test request of motor, test system
The cost of system is rationally controlled；Single low temperature chamber, low temperature fuel tank and hot room, high temperature fuel tank are set up, can be realized various
The test of the hydraulic pump or motor of specifications and models, use range is wide, and it is all from zero to 8000ml/rev almost to cover discharge capacity
The all hydraulic pump product of hydraulic motor product and discharge capacity from zero to 750ml/rev；Energy-conservation, should using the test device and utilization
The method that test device is tested, the energy more than 60% can be saved during experiment, and therefore reduce energy loss, also
That is the caloric value of system, so as to reduce the capacity of cooling and heating, the cost of cooling and heating is reduced, and advantageously ensures that examination
Test the constant stable state transformation of process oil temperature.
Claims (10)
1. a kind of hydraulic pump motor test device, including hydraulic test system, tested hydraulic pump or motor and starter, described
Tested hydraulic pump or motor and starter be separately positioned in hydraulic test system, it is characterised in that：Also include normal temperature room,
Low temperature chamber, hot room, described starter are arranged on normal temperature chamber interior, and described starter includes starter motor, started
Pump, low-temperature test hydraulic pump and hot test hydraulic pump, described low temperature chamber be internally provided with low temperature fuel tank and with low temperature fuel tank
The low temperature of connection is tested hydraulic pump or motor, and described low temperature is tested hydraulic pump or motor and corresponding low-temperature test in normal temperature room
Hydraulic pump elastic connection, described hot room is internally provided with high temperature fuel tank and the high temperature connected with high temperature fuel tank is tested hydraulic pump
Or motor, described high temperature is tested hydraulic pump or motor hot test hydraulic pump elastic connection corresponding with normal temperature room, described
Low-temperature test hydraulic pump and hot test hydraulic pump be connected respectively with starting pump and starter motor.
A kind of 2. hydraulic pump motor test device according to claim 1, it is characterised in that：Described startup pump is variable
Hydraulic pump, described starter motor are hydraulic motor, and described startup pump is started by starter motor to be operated, described startup pump
Oil pressure controlled by the proportional pressure control valve that is arranged in hydraulic test system.
A kind of 3. hydraulic pump motor test device according to claim 1, it is characterised in that：Described low temperature is tested hydraulic pressure
Pump or motor low-temperature test hydraulic pump corresponding with normal temperature room are tested hydraulic pump by shaft coupling elastic connection, described high temperature
Or motor hot test hydraulic pump corresponding with normal temperature room passes through shaft coupling elastic connection.
A kind of 4. hydraulic pump motor test device according to claim 1, it is characterised in that：The oil temperature of low temperature fuel tank-
Spend for 25 degree to -40；The oil temperature of high temperature fuel tank is more than 55 degree.
A kind of 5. hydraulic pump motor test device according to claim 1, it is characterised in that：Described hydraulic test system
Oil feeding reservoirs is provided with normal temperature room in system.
A kind of 6. hydraulic pump motor test device according to claim 1 or 2 or 3 or 4 or 5, it is characterised in that：Low temperature quilt
Survey between hydraulic pump or motor and low temperature fuel tank and high temperature it is tested be provided between hydraulic pump or motor and high temperature fuel tank it is shared
Proportional pressure control valve.
A kind of 7. hydraulic pump motor test device according to claim 1 or 2 or 3 or 4 or 5, it is characterised in that：Low temperature chamber
Independently set with hot room and the area of low temperature chamber and hot room is respectively smaller than the area of normal temperature room.
8. a kind of method that hydraulic pump motor test device using described in claim 1 is tested, it is characterised in that：Pass through
Starter motor, which drives, starts pump to hydraulic test system offer pressure oil, and selects the recycle oil of hydraulic test system as needed
Road, low temperature is tested hydraulic pump or motor starting or high temperature is tested hydraulic pump or motor starting, realize to hydraulic pump or horse
Up to low-temperature startup performance, or the test to hydraulic pump or motor hot operation performance.
A kind of 9. method tested using hydraulic pump motor test device according to claim 8, it is characterised in that：
When needing to test the low-temperature startup performance of hydraulic pump or motor, the tested hydraulic pump of corresponding low temperature of normal temperature chamber interior or motor
Low-temperature test hydraulic pump is activated, and is driven low temperature to be tested hydraulic pump or motor starting, is realized the systemic circulation in hydraulic test system,
To realize that low temperature is tested the test of the low-temperature startup performance of hydraulic pump or motor；Hydraulic pump or motor are tested when needing test high temperature
When, the charge oil pressure that control starts pump makes normal temperature chamber interior correspond to the hot test hydraulic pump that high temperature is tested hydraulic pump or motor
Work, drive high temperature to be tested hydraulic pump or motor, realize that high temperature is tested the test of hydraulic pump or motor high-temperature working performance.
10. a kind of method tested using hydraulic pump motor test device according to claim 8, its feature are existed
In：Start pump and use volume adjustable hydraulic pump, and driven by starter motor and realize the circulation of hydraulic test system and the control of oil pressure
System.
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| CN201610533205.5A CN106151172B (en) | 2016-07-04 | 2016-07-04 | A kind of hydraulic pump motor test device and the method tested using the device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5310020A (en) * | 1993-06-09 | 1994-05-10 | Ingersoll-Rand Company | Self contained lubricating oil system for a centrifugal compressor |
| CN201671914U (en) * | 2010-04-29 | 2010-12-15 | 中国海洋石油总公司 | High temperature hydraulic motor testing device |
| CN201724824U (en) * | 2010-07-15 | 2011-01-26 | 常州精瑞自动化装备技术有限公司 | High-low temperature hydraulic system for automobile testing device |
| CN102169053B (en) * | 2010-12-24 | 2012-07-25 | 重庆青山工业有限责任公司 | Hydraulic control loop of high/low-temperature test bed for automatic transmission valve |
| CN105332903B (en) * | 2014-08-08 | 2017-06-09 | 江苏梅花机械有限公司 | A kind of automobile vacuum pump method for testing performance and device |
| CN105179222B (en) * | 2015-08-13 | 2018-06-29 | 上海电气凯士比核电泵阀有限公司 | A kind of test loop system and method |
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2016
- 2016-07-04 CN CN201610533205.5A patent/CN106151172B/en active Active
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