CN106151172A - A kind of hydraulic pump motor tests device and the method utilizing this device to carry out testing - Google Patents
A kind of hydraulic pump motor tests device and the method utilizing this device to carry out testing Download PDFInfo
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- CN106151172A CN106151172A CN201610533205.5A CN201610533205A CN106151172A CN 106151172 A CN106151172 A CN 106151172A CN 201610533205 A CN201610533205 A CN 201610533205A CN 106151172 A CN106151172 A CN 106151172A
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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
nullThe invention discloses a kind of hydraulic pump motor test device，Including hydraulic test system、Test solution press pump or motor and starter，Test solution press pump or motor and starter are separately positioned in hydraulic test system，Also include room temperature room、Low temperature chamber、Hot room，Starter is arranged on room temperature chamber interior，Starter includes starting 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 test solution press pump connected with low temperature fuel tank or motor，Low temperature test solution press pump or the motor low-temperature test hydraulic pump elasticity corresponding with room temperature indoor connect，Hot room is internally provided with high temperature fuel tank and the high temperature test solution press pump connected with high temperature fuel tank or motor，High temperature test solution press pump or the motor high temperature test hydraulic pump elasticity corresponding with room temperature indoor connect，Low-temperature test hydraulic pump and high temperature test hydraulic pump are connected with startup pump and startup motor respectively.Also disclose the method utilizing this device to carry out testing.
Description
Technical field
The present invention relates to the all-round property testing technical field of hydraulic mechanical equipment, especially relate to a kind of hydraulic pump motor
Test device and the method utilizing this device to carry out testing.
Background technology
The working environment of the hydraulic mechanical equipment such as hydraulic motor and hydraulic pump, carries out the most at low temperatures, exists sometimes
Carrying out under high temperature, this is accomplished by under the low temperature environment to hydraulic machinery the performance that whether can normally start, and at high temperature ring
Under border, the performance such as hydraulic machinery the most normally work is tested, in order to preferably grasps its performance, improves and develop new
Product.
But existing test device and method of testing individually can only be tested for the hydraulic machinery under single environment,
And in test process, be required for bigger low temperature or high temperature fuel tank, test device be required for arrange more greatly can be real
Existing, and existing test process is all the test being realized data by partial circulating, and the auxiliary works such as auxiliary meter are also wanted in test
Having had, requirement or the one-tenth from test from test device saw that requirement was the highest originally, meanwhile, and existing hydraulic press
The test of tool only hydraulic pump or hydraulic motor for single model is tested, it is impossible to be enough generally applicable to various model rule
The hydraulic machinery of lattice.Also cannot accomplish to utilize the same hydraulic system cold-starting to hydraulic pump motor and the height of hydraulic pump motor
Warm nature can be tested.
Chinese patent literature (notification number: on JIUYUE 11st, 2013, the day for announcing: CN103291688A) discloses a kind of band energy
Amount recovered liquid press pump motor test rig includes dynamical system, hydraulic pump motor test device and energy recycle device；Described power
System includes the first converter and asynchronous motor；Described hydraulic pressure testing device includes hydraulic pump and hydraulic motor；Described energy
Retracting device includes asynchronous generator and the second converter；Described first converter and asynchronous electric mechatronics；Described asynchronous
Motor and hydraulic pump are connected with each other, and are connected by hydraulic oil pipeline between described hydraulic pump and hydraulic motor；Described hydraulic pressure
By being connected with each other between motor and asynchronous generator；Described asynchronous generator and the electrical connection of the second converter, described second becomes
Frequently device and the electrical connection of the first converter.
What technique scheme solved is to reduce energy loss, it is achieved the problem of energy regenerating.
Chinese patent literature (day for announcing: on January 22nd, 2014, notification number: CN103527563A) discloses a kind of hydraulic pressure
The test device of motor starting performance, including oscillating motor, hydraulic system and mounting platform, mounting platform is provided with test
Frame, the first transmission bracket, the second transmission bracket and limited support, wherein, testing jig is provided with torque speed sensor；First passes
Dynamic support and the second transmission bracket lay respectively at the both sides of testing jig, all by the power transmission shaft of shaft coupling Yu torque speed sensor
Connect；First transmission bracket is connected with the output shaft of tested hydraulic motor, the second transmission bracket and the output of oscillating motor
Axle connects, and oscillating motor is the gear-and-rack swing hydraulic cylinder overhanging piston rod type, the piston rod external part end of its side
Portion connects length-adjustable extending part, is provided with positive stop in the external part front of extending part, and positive stop is fixed in
On limited support.Invention additionally discloses the method for testing of a kind of hydraulic motor starting performance.Present system simple in construction, operation
Convenient, cheap, can promote the use of.
Technique scheme provides the test device and method of a kind of hydraulic motor starting performance, and this content is only limitted to liquid
The starting test of pressure motor, is unable to meet the test of other hydraulic tests, and this test apparatus and method structure is complicated,
Starting power is big, and these apparatus and method are only suitable for the starting of the hydraulic motor under room temperature.
Chinese patent literature (day for announcing: on December 15th, 2010, notification number: CN201671914U) discloses a kind of high
Temperature hydraulic motor testing device, including: high-temperature pump, high-temperature pump connects tested high temperature hydraulic motor, and high-temperature pump is by adjustable speed motor
Drive, the hydraulic oil of high temperature is provided for tested high temperature hydraulic motor；Magnetic powder brake, magnetic powder brake and tested high temperature hydraulic pressure horse
Reach output shaft to be connected, and be that tested high temperature hydraulic motor applies variable load；Test module, test module is separately positioned on tested
The hydraulic oil outlet of high temperature hydraulic motor, with on entrance and output shaft, tests the pressure of the tested high temperature hydraulic motor of module testing
Power, flow, rotating speed and moment of torsion.The present invention uses high-temperature pump, magnetic powder brake and test module, enters tested high temperature hydraulic motor
Row simulation flowchart, emulates the moment of torsion after pressure, flow and the bringing onto load under test solution pressure motor actual working state and turns
Speed, can emulate and obtain performance parameter under hydraulic motor actual working state, and present configuration is simple, with low cost, the amount of labour
Little, efficiency is high.
Technique scheme is to realize the test to high temperature hydraulic motor rather than to hydraulic motor in hot environment
The test of lower service behaviour.
Summary of the invention
First goal of the invention of the present invention is to solve to need the test of hydraulic pump motor separately in prior art
Carry out, it is impossible to enough meet the test of the hydraulic pump motor of all kinds specification, and test environment requires that height, duty are big, surveys
Degree uses and drives the problems such as power is big, and provides the test of a kind of hydraulic pump motor that can be applicable to various different size, energy
Enough realizing systemic circulation, test starting is convenient, it is possible to realize pump motor low-temperature startup performance and resistance to 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 utilizing hydraulic pump motor test device to carry out testing.
The present invention realizes its first goal of the invention and be the technical scheme is that a kind of hydraulic pump motor test device,
Including hydraulic test system, test solution press pump or motor and starter, described test solution press pump or motor and starter
It is separately positioned in hydraulic test system, also includes that room temperature room, low temperature chamber, hot room, described starter are arranged on room temperature
Chamber interior, described starter includes starting motor, starting 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 test solution press pump connected with low temperature fuel tank or motor, described low temperature quilt
Survey hydraulic pump or motor corresponding with room temperature indoor low-temperature test hydraulic pump elasticity connection, described hot room is internally provided with height
Temperature fuel tank and the high temperature test solution press pump connected with high temperature fuel tank or motor, described high temperature test solution press pump or motor and room temperature
Indoor corresponding high temperature test hydraulic pump elasticity connects, described low-temperature test hydraulic pump and high temperature test hydraulic pump respectively with open
Dynamic pump and startup motor connect.This hydraulic pump motor test device, by a set of hydraulic test system, at this hydraulic test system
Middle arranging different temperature chambers, low temperature chamber, hot room are arranged independent of room temperature room, and inside low temperature chamber and hot room respectively
It is provided with low temperature fuel tank and high temperature fuel tank, and tested hydraulic pump or motor are separately positioned at low temperature according to test request
Inside room and hot room, the tested hydraulic pump of low temperature or motor, the tested pump testing of high temperature or motor, test indoor with room temperature respectively
Hydraulic pump connects, and test fluid press pump is connected with startup pump and startup motor respectively.Such scheme can be suitable for various different rule
Lattice or the hydraulic pump of model or motor carry out low-temperature startup performance test, or carry out the test of hot operation performance.During test,
Passing ratio overflow valve realizes starting the regulation of pump oil pressure, to adapt to the test need of the tested hydraulic pump of different capacity or motor
Want, start motor and drive startup pump operating, load fast, drive the operating of test fluid press pump, thus drive the tested hydraulic pressure of low temperature
Pump or motor or drive the tested hydraulic pump of high temperature or motor running.Owing to low temperature fuel tank and high temperature fuel tank are separately positioned on
In independent low temperature chamber and hot room, cooling or quick heating, efficiency is high, and can quickly realize following of hydraulic test system
Ring, it is not necessary to change hydraulic test system and just can realize under low temperature hydraulic pump under hydraulic pump or motor starting performance and high temperature
Or the test of motor operation performance.It is convenient that test fluid press pump is arranged on room temperature chamber interior testing maintenance.
As preferably, described startup pump is volume adjustable hydraulic pump, and described startup motor is hydraulic motor, described startup
Pump operates by starting motor starting, and the described oil pressure starting pump is by the proportional pressure control valve being arranged in hydraulic test system
Control.Startup pump preferred variable hydraulic pump logical proportional pressure control valve realize the regulation of charge oil pressure and control, and the setting of this device makes
The low-temperature startup performance test and the hot operation performance test that obtain hydraulic pump or motor share a set of hydraulic test system and startup
Device so that test operation is convenient and swift.
As preferably, described low temperature test solution press pump or the motor low-temperature test hydraulic pump corresponding with room temperature indoor pass through
The hot test hydraulic pump that the connection of shaft coupling elasticity, described high temperature test solution press pump or motor are corresponding with room temperature indoor passes through connection
Axial organ elasticity connects.Such attachment structure makes test run steady, good test effect.
As preferably, the oil temperature of low temperature fuel tank is spent to-40 at-25 degree；The oil temperature of high temperature fuel tank is more than 55 degree.Arrange so
Temperature can realize the test to test solution press pump or motor performance, ensure that again test effect, do not result in tested
Hydraulic pump or the damage of motor.
As preferably, the room temperature indoor in described hydraulic test system are provided with oil feeding reservoirs.The oil feeding reservoirs that room temperature is indoor
It is to realize hydraulic test system is carried out repairing.
As preferably, between the tested hydraulic pump of low temperature or motor and low temperature fuel tank and the tested hydraulic pump of high temperature or horse
Reach and be provided with shared proportional pressure control valve between high temperature fuel tank.Arrange shared proportional pressure control valve can realize low-temperature test or height
To tested hydraulic pump or the oil pressure cntrol of motor during temperature test, such structure operation is convenient, simple in construction.
As preferably, low temperature chamber and hot room independently arrange 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, can make low temperature chamber, hot room on the premise of meeting test request
The least, the most conveniently lower the temperature and heat, and such setting disclosure satisfy that hydraulic pump or the horse of different size model
The test setting reached.
The present invention realizes its second goal of the invention and be the technical scheme is that a kind of utilization described in claim 1
Hydraulic pump motor test device carries out the method tested, and drives startup pump to provide pressure to hydraulic test system by starting motor
Oil, and select the circulating oil path of hydraulic test system as required, make the tested hydraulic pump of low temperature or motor starting or make height
The tested hydraulic pump of temperature or hydraulic motor start, it is achieved to hydraulic pump or motor low-temperature startup performance, or to hydraulic pump or horse
Reach the test of hot operation performance.This method of testing, by a set of hydraulic test system, realizes hydraulic pump or motor low respectively
Startup temperature performance and the test of hot operation performance, and this method of testing is easy to operate, it is possible to realize all size model
Hydraulic pump or the test of motor, do not limited by environment, measurand, simultaneously as be provided with independent low temperature chamber and height
Greenhouse cooling and programming rate are fast, it is possible to meet the test request of different temperatures.
As preferably, when needing the low-temperature startup performance of test fluid press pump or motor, the corresponding low temperature of room temperature chamber interior
The low-temperature test hydraulic pump of tested hydraulic pump or motor is activated, and drives the tested hydraulic pump of low temperature or motor starting, it is achieved
Systemic circulation in hydraulic test system, to realize the tested hydraulic pump of low temperature or the low-temperature startup performance of motor；When needs are tested
When the tested hydraulic pump of high temperature or motor, the charge oil pressure controlling to start pump makes room temperature chamber interior corresponding to the tested hydraulic pressure of high temperature
The high temperature test hydraulic pump works of pump or motor, drives the tested hydraulic pump of high temperature or motor, it is achieved the tested hydraulic pump of high temperature
Or the test of motor high-temperature working performance.Need not during test change hydraulic test system and starter, it is possible to realize liquid
Press pump or motor low-temperature startup performance and the test of hot operation performance, such test substantially increases testing efficiency, application
Scope is wide, good test effect, and need not other auxiliary equipments during this test system, can directly test, beneficially liquid
Press pump or the raising of motor performance.
As preferably, start pump and use volume adjustable hydraulic pump, and realize following of hydraulic test system by starting motor drive
Ring and the control of oil pressure.
The invention has the beneficial effects as follows: this hydraulic pump motor is tested device and utilizes this device to carry out the method tested, and makes
By 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 fluid press pump all be made without change, simplify test installation process, shorten
The preparatory period of test, it is also beneficial to prevent the pollution of the environment and the waste of fluid；Hydraulic motor is used to drive the startup starting pump
Mode, adoption rate overflow valve carries out the regulation control of input pressure simultaneously, it is possible to realize hydraulic pump or the motor of different capacity
Test request, test system cost obtain conservative control；Set up single low temperature chamber, low temperature fuel tank and hot room, high temperature
Fuel tank, it is possible to realize the hydraulic pump of all size model or the test of motor, range is wide, almost cover discharge capacity from the zero to
The all hydraulic motor product of 8000ml/rev and discharge capacity are from the zero to all hydraulic pump product of 750ml/rev；Energy-conservation, using should
Test device and utilize this test device to carry out the method tested, process of the test can be saved the energy more than 60%, and therefore subtract
Lack energy loss, that is the caloric value of system, thus reduced cooling and the capacity heated, reduce cooling and becoming of heating
This, and advantageously ensure that the stable state that process of the test oil temperature is constant changes.
Accompanying drawing explanation
Fig. 1 is a kind of schematic diagram of hydraulic pump motor of the present invention test device；
Fig. 2 is the another kind of schematic diagram of hydraulic pump motor of the present invention test device；
In figure: 1, hydraulic test system, 2, test solution press pump or motor, 21, low temperature test solution press pump or motor, 22, high temperature quilt
Survey hydraulic pump or motor, 3, starter, 4, room temperature room, 5, low temperature chamber, 6, hot room, 7, start motor, 8, start pump, 9, low
Temperature experimental liquid press pump, 10, hot test hydraulic pump, 11, low temperature fuel tank, 12, high temperature fuel tank, 13, proportional pressure control valve, 14, shaft coupling
Device, 15, oil feeding reservoirs, 16, share proportional pressure control valve.
Detailed description of the invention
Below by specific embodiment and combine accompanying drawing technical scheme is described in further detail.
Embodiment 1:
In the embodiment shown in fig. 1, testing object in example of the present invention is hydraulic pump, a kind of hydraulic pump motor test device, bag
Include hydraulic test system 1, test solution press pump 2 and starter 3, test solution press pump 2 and starter 3 and be separately positioned on hydraulic pressure survey
In test system 1, also including room temperature room 4, low temperature chamber 5, hot room 6, it is internal that starter 3 is arranged on room temperature room 4, starter 3
Including starting motor 7, starting pump 8, low-temperature test hydraulic pump 9 and hot test hydraulic pump 10, low temperature chamber 5 is internally provided with low temperature
Fuel tank 11 and the low temperature test solution press pump 21 connected with low temperature fuel tank 11, low temperature test solution press pump 21 is corresponding with in room temperature room 4
Low-temperature test hydraulic pump 9 is elastic to be connected, and hot room 6 is internally provided with high temperature fuel tank 12 and the high temperature quilt connected with high temperature fuel tank 12
Survey hydraulic pump 22, the elastic connection of high temperature test hydraulic pump 10 that high temperature test solution press pump 22 is corresponding with in room temperature room 4, low-temperature test
Hydraulic pump 9 and high temperature test hydraulic pump 9 are connected with startup pump 8 and startup motor 7 respectively.
Starting pump 8 is volume adjustable hydraulic pump, and starting motor 7 is hydraulic motor, starts pump 8 by starting motor 7 and starts operating,
The oil pressure starting pump 8 is controlled by the proportional pressure control valve 13 being arranged in hydraulic test system 1.
The low-temperature test hydraulic pump 9 that low temperature test solution press pump 21 is corresponding with in room temperature room 4 connects by shaft coupling 14 is elastic,
The hot test hydraulic pump 10 that high temperature test solution press pump 22 is corresponding with in room temperature room 4 connects by shaft coupling 14 is elastic.
The oil temperature of low temperature fuel tank 11 is spent to-40 at-25 degree；The oil temperature of high temperature fuel tank 12 is more than 55 degree.
It is provided with oil feeding reservoirs 15 in room temperature room 4 in hydraulic test system 1.
Between the tested hydraulic pump of low temperature 21 and low temperature fuel tank 11 and the tested hydraulic pump of high temperature 22 and high temperature fuel tank 12
Between be provided with shared proportional pressure control valve 16.
Low temperature chamber 5 and hot room 6 independently arrange and the area of low temperature chamber 5 and hot room 6 is respectively smaller than room temperature room 4
Area.
A kind of utilize hydraulic pump motor test device to carry out the method tested, drive start pump 8 to liquid by starting motor 7
Pressure test system 1 provides pressure oil, and selects the circulating oil path of hydraulic test system 1 as required, makes the tested hydraulic pressure of low temperature
Pump 21 starts, or makes the tested hydraulic pump of high temperature 22 start, it is achieved to hydraulic pump low-temperature startup performance, or high to hydraulic pump
The test of temperature runnability.
The tested hydraulic pump of corresponding low temperature 21 when needing the low-temperature startup performance of test fluid press pump, within room temperature room 4
Low-temperature test hydraulic pump 9 be activated, drive the tested hydraulic pump of low temperature 21 start, it is achieved following greatly in hydraulic test system
Ring, to realize the low-temperature startup performance of the tested hydraulic pump of low temperature 21；When the needs test tested hydraulic pump 22 of high temperature, control
The high temperature test hydraulic pump 10 that the charge oil pressure starting pump 8 makes room temperature room 4 be internally corresponding to the tested hydraulic pump of high temperature 22 works,
Drive the tested hydraulic pump of high temperature 22, it is achieved the test of high temperature tested hydraulic pump 22 high-temperature working performance.
Start pump 8 and use volume adjustable hydraulic pump, and realize circulation and the oil of hydraulic test system 1 by starting motor 7 drive
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, surveys including hydraulic pressure
Test system 1, test solution pressure motor 2 and starter 3, test solution pressure motor 2 and starter 3 are separately positioned on hydraulic test system
In system 1, also including room temperature room 4, low temperature chamber 5, hot room 6, it is internal that starter 3 is arranged on room temperature room 4, and starter 3 includes
Starting motor 7, start pump 8, low-temperature test hydraulic pump 9 and hot test hydraulic pump 10, low temperature chamber 5 is internally provided with low temperature fuel tank
11 and the low temperature test solution pressure motor 21 that connects with low temperature fuel tank 11, low temperature test solution pressure motor 21 is corresponding with in room temperature room 4
Low-temperature test hydraulic pump 9 is elastic to be connected, and hot room 6 is internally provided with high temperature fuel tank 12 and the high temperature quilt connected with high temperature fuel tank 12
Survey hydraulic motor 22, the elastic connection of high temperature test hydraulic pump 10 that high temperature test solution pressure motor 22 is corresponding with in room temperature room 4, low temperature
Experimental liquid press pump 9 and high temperature test hydraulic pump 9 are connected with startup pump 8 and startup motor 7 respectively.
Starting pump 8 is volume adjustable hydraulic pump, and starting motor 7 is hydraulic motor, starts pump 8 by starting motor 7 and starts operating,
The oil pressure starting pump 8 is controlled by the proportional pressure control valve 13 being arranged in hydraulic test system 1.
The low-temperature test hydraulic pump 9 that low temperature test solution pressure motor 21 is corresponding with in room temperature room 4 is elastic even by shaft coupling 14
Connecing, the hot test hydraulic pump 10 that high temperature test solution pressure motor 22 is corresponding with in room temperature room 4 connects by shaft coupling 14 is elastic.
The oil temperature of low temperature fuel tank 11 is spent to-40 at-25 degree；The oil temperature of high temperature fuel tank 12 is more than 55 degree.
It is provided with oil feeding reservoirs 15 in room temperature room 4 in hydraulic test system 1.
Between the tested hydraulic motor of low temperature 21 and low temperature fuel tank 11 and the tested hydraulic motor of high temperature 22 and high temperature oil
Shared proportional pressure control valve 16 it is provided with between case 12.
Low temperature chamber 5 and hot room 6 independently arrange and the area of low temperature chamber 5 and hot room 6 is respectively smaller than room temperature room 4
Area.
A kind of utilize hydraulic pump motor test device to carry out the method tested, drive start pump 8 to liquid by starting motor 7
Pressure test system 1 provides pressure oil, and selects the circulating oil path of hydraulic test system 1 as required, makes the tested hydraulic pressure of low temperature
Motor 21 starts, or makes the tested hydraulic motor of high temperature 22 start, it is achieved to hydraulic motor low-temperature startup performance, or
Test to hydraulic motor hot operation performance.
Corresponding low temperature tested hydraulic pressure horse when needing the low-temperature startup performance of test fluid pressure motor, within room temperature room 4
Reach the low-temperature test hydraulic pump 9 of 21 to be activated, drive the tested hydraulic motor of low temperature 21 to start, it is achieved in hydraulic test system
Systemic circulation, to realize the low-temperature startup performance of the tested hydraulic motor of low temperature 21；When the tested hydraulic motor of high temperature tested by needs
When 22, the charge oil pressure controlling to start pump 8 makes room temperature room 4 be internally corresponding to the high temperature side test solution of the tested hydraulic motor of high temperature 22
Press pump 10 works, and drives the tested hydraulic motor of high temperature 22, it is achieved the survey of high temperature tested hydraulic motor 22 high-temperature working performance
Examination.
Start pump 8 and use volume adjustable hydraulic pump, and realize circulation and the oil of hydraulic test system 1 by starting motor 7 drive
The control of pressure.
Hydraulic pump motor described in above-described embodiment is tested device and utilizes this device to carry out the method tested, during test,
Hydraulic pump and hydraulic motor can be placed in the hydraulic test system of the application to be tested.By low-temperature test hydraulic pump
Realize being connected with tested hydraulic pump or the elastic of motor with high temperature test hydraulic pump.Start pump and startup motor uses and both can make
The volume adjustable hydraulic pump that can use as motor again for pump, this product realizes discharge capacity from the zero to maximum by electrical-liquid control
Step-less adjustment, can meet the test of the hydraulic pump motor of all specifications and models.Hydraulic pump or motor under test low temperature state
Startability, can develop the hydraulic pump or motor met under low temperature environment, reduces hydraulic pump or the maintenance frequency of motor, it is ensured that set
Standby normally starts operating, hydraulic pump or the resistant to elevated temperatures working order of motor under the test condition of high temperature.And this test device and side
Method, it is possible to realizing the systemic circulation of hydraulic test system, beneficially system repairing, meanwhile, tested hydraulic pump or motor set respectively
Putting inside the low temperature chamber individually set up and hot room, heating and cooling are fast, and easy to operate, soundproof effect is good, and low cost.
This hydraulic pump motor test device and utilize this device to carry out the method tested, use a set of hydraulic test system and
Starter, it is possible to achieve different tested object hydraulic motors or pump low-temperature startup performance and the survey of hot operation performance
Examination, and test fluid press pump is all made without changing, and simplifies test installation process, shortens the preparatory period of test, also
Desirably prevent the waste of environmental pollution and fluid；Hydraulic motor is used to drive the Starting mode starting pump, adoption rate simultaneously
Overflow valve carries out the regulation of input pressure and controls, it is possible to realize the hydraulic pump of different capacity or the test request of motor, test system
The cost of system obtains conservative control；Set up single low temperature chamber, low temperature fuel tank and hot room, high temperature fuel tank, it is possible to realize various
The hydraulic pump of specifications and models or the test of motor, range is wide, almost covers discharge capacity owning from the zero to 8000ml/rev
Hydraulic motor product and discharge capacity are from the zero to all hydraulic pump product of 750ml/rev；Energy-conservation, use this test device and utilization to be somebody's turn to do
Test device carries out the method tested, and can save the energy more than 60%, and therefore decrease energy loss, also in process of the test
The i.e. caloric value of system, thus reduce cooling and the capacity heated, reduce cooling and the cost heated, and advantageously ensure that examination
Test the constant stable state of process oil temperature to change.
Claims (10)
1. a hydraulic pump motor test device, including hydraulic test system, test solution press pump or motor and starter, described
Test solution press pump or motor and starter be separately positioned in hydraulic test system, it is characterised in that: also include room temperature room,
Low temperature chamber, hot room, described starter is arranged on room temperature chamber interior, and described starter includes starting motor, startup
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 test solution press pump of connection or motor, described low temperature test solution press pump or the motor low-temperature test corresponding with room temperature indoor
Hydraulic pump elasticity connects, and described hot room is internally provided with high temperature fuel tank and the high temperature test solution press pump connected with high temperature fuel tank
Or the high temperature test hydraulic pump elasticity connection that motor, described high temperature test solution press pump or motor are corresponding with room temperature indoor, described
Low-temperature test hydraulic pump and high temperature test hydraulic pump respectively with start pump and startup motor be connected.
A kind of hydraulic pump motor test device the most according to claim 1, it is characterised in that: described startup pump is variable
Hydraulic pump, described startup motor is hydraulic motor, and described startup pump operates by starting motor starting, described startup pump
Oil pressure controlled by the proportional pressure control valve that is arranged in hydraulic test system.
A kind of hydraulic pump motor test device the most according to claim 1, it is characterised in that: the tested hydraulic pressure of described low temperature
Pump or the motor low-temperature test hydraulic pump corresponding with room temperature indoor are connected by shaft coupling elasticity, described high temperature test solution press pump
Or the motor hot test hydraulic pump corresponding with room temperature indoor is connected by shaft coupling elasticity.
A kind of hydraulic pump motor test device the most according to claim 1, it is characterised in that: the oil temperature of low temperature fuel tank-
25 degree to-40 degree；The oil temperature of high temperature fuel tank is more than 55 degree.
A kind of hydraulic pump motor test device the most according to claim 1, it is characterised in that: described hydraulic test system
Room temperature indoor in system are provided with oil feeding reservoirs.
6. according to a kind of hydraulic pump motor electricity testing device described in claim 1 or 2 or 3 or 4 or 5, it is characterised in that: low temperature is tested
It is provided with between test solution press pump or motor and low temperature fuel tank and between the tested hydraulic pump of high temperature or motor and high temperature fuel tank altogether
Use proportional pressure control valve.
7. test device according to a kind of hydraulic pump motor described in claim 1 or 2 or 3 or 4 or 5, it is characterised in that: low temperature chamber
Independently arrange with hot room and the area of low temperature chamber and hot room is respectively smaller than the area of room temperature room.
8. the method that the hydraulic pump motor test device that a kind utilizes described in claim 1 carries out testing, it is characterised in that: pass through
Starting motor drives startup pump to provide pressure oil to hydraulic test system, and selects the recycle oil of hydraulic test system as required
Road, makes the tested hydraulic pump of low temperature or motor starting or makes the tested hydraulic pump of high temperature or hydraulic motor start, it is achieved to liquid
Press pump or motor low-temperature startup performance, or to hydraulic pump or the test of motor hot operation performance.
A kind of method utilizing hydraulic pump motor test device to carry out testing the most according to claim 7, it is characterised in that:
When needing the low-temperature startup performance of test fluid press pump or motor, the tested hydraulic pump of corresponding low temperature of room temperature chamber interior or motor
Low-temperature test hydraulic pump be activated, drive the tested hydraulic pump of low temperature or motor starting, it is achieved big in hydraulic test system
Circulation, to realize the tested hydraulic pump of low temperature or the low-temperature startup performance of motor；When needs test the tested hydraulic pump of high temperature or
During motor, the charge oil pressure controlling to start pump makes room temperature chamber interior corresponding to the tested hydraulic pump of high temperature or the high temperature test of motor
Hydraulic pump works, drives the tested hydraulic pump of high temperature or motor, it is achieved the tested hydraulic pump of high temperature or motor high-temperature working performance
Test.
The most according to claim 7 a kind of utilizing hydraulic pump motor test device to carry out the method tested, its feature exists
In: start pump and use volume adjustable hydraulic pump, and realize the circulation of hydraulic test system and the control of oil pressure by starting motor drive
System.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106151172A true CN106151172A (en) | 2016-11-23 |
| CN106151172B CN106151172B (en) | 2017-12-22 |
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| CN201610533205.5A Active 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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| CN201671914U (en) * | 2010-04-29 | 2010-12-15 | 中国海洋石油总公司 | High temperature hydraulic motor testing device |
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| CN102169053A (en) * | 2010-12-24 | 2011-08-31 | 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 |
| CN105179222A (en) * | 2015-08-13 | 2015-12-23 | 上海电气凯士比核电泵阀有限公司 | Loop testing system and method thereof |
| CN105332903A (en) * | 2014-08-08 | 2016-02-17 | 江苏梅花机械有限公司 | Automobile vacuum pump performance detecting method and device |
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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 |
| CN102169053A (en) * | 2010-12-24 | 2011-08-31 | 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 |
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