CN206321414U - A kind of axial variable plunger pump test device for controlling valve - Google Patents
A kind of axial variable plunger pump test device for controlling valve Download PDFInfo
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- CN206321414U CN206321414U CN201621400639.XU CN201621400639U CN206321414U CN 206321414 U CN206321414 U CN 206321414U CN 201621400639 U CN201621400639 U CN 201621400639U CN 206321414 U CN206321414 U CN 206321414U
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- valve
- plunger pump
- control
- variable plunger
- pump
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Abstract
The utility model discloses a kind of test device of axial variable plunger pump with control valve, including hydraulic power module, pump-controlling valve performance test module and data acquisition module, hydraulic power module provides pressure oil-source for pump-controlling valve performance test module.Pump-controlling valve performance test module includes housing and bonnet.Housing side is provided with the feedback valve element being connected with tested pump-controlling valve, and feedback valve element is connected with the resetting piston that can be moved axially.The oil pressure that housing opposite side is provided with the control piston that can be moved axially, control piston is controlled by tested pump-controlling valve.Enclosure interior is provided with waving for swinging, and the one end waved is connected with resetting piston, and the other end is connected with control piston.Wave and angular transducer is connected with by connecting rod, the output signal of angular transducer is connected with data acquisition module.
Description
Technical field
The utility model is related to Variable plunger pump field, specifically a kind of axial variable plunger pump survey for controlling valve
Trial assembly is put.
Background technology
The control valve of hydraulic variable flow plunger pump is the critical component for determining whole pump Variable Properties quality.General producer is required for
Ensure the performance of pump control valve in advance, the measure taken all is needed for the direct hydraulic variable flow plunger pump using test passes is loaded onto
The pump-controlling valve of test, above high-power test platform is tested together, and test quality determines the quality of control valve.So test needs
Very powerful motor, brings the waste of the energy.
The content of the invention
Technical problem to be solved in the utility model is to be directed to above-mentioned state of the art, and provides a kind of axial direction
The Variable plunger pump test device for controlling valve, it is not necessary to drive plunger pump to be tested by heavy-duty motor, it is only necessary to single
Solely provide one oil to be tested, have the advantages that simple to operate, testing cost is low, save electric energy.
The utility model solve the technical scheme that is used of above-mentioned technical problem for:A kind of axial variable plunger pump control
The test device of valve, including hydraulic power module, pump-controlling valve performance test module and data acquisition module, hydraulic power module is
Pump-controlling valve performance test module provides pressure oil-source.Pump-controlling valve performance test module includes housing and bonnet.Housing side is provided with
The feedback valve element being connected with tested pump-controlling valve, feedback valve element is connected with the resetting piston that can be moved axially.Housing opposite side is provided with
Oil pressure in the control piston that can be moved axially, control piston is controlled by tested pump-controlling valve.Enclosure interior is provided with shaking for swinging
Pendulum, one end waved is connected with resetting piston, and the other end is connected with control piston.Wave and angled biography is connected by connecting rod
Sensor, the output signal of angular transducer is connected with data acquisition module.
For optimization above-mentioned technical proposal, the utility model also includes following improved technical scheme.
Above-mentioned hydraulic power module includes the Variable plunger pump being fixed in housing and is connected with Variable plunger pump
Threephase asynchronous machine.The high pressure hydraulic fluid port of Variable plunger pump connects pump-controlling valve performance test mould by two-position four-way solenoid directional control valve
Block.
Provided with the filter and list connected between the high pressure hydraulic fluid port of above-mentioned Variable plunger pump and two-position four-way solenoid directional control valve
To valve.
The outlet of above-mentioned check valve is connected with proportional pressure control valve, the control signal wire connection proportional overflow of data acquisition module
Proportion electro-magnet on valve.
Pressure sensor and precision pressure gauge are provided with the in-line of above-mentioned two-position four-way solenoid directional control valve.Pressure sensing
The output line of device is connected with data acquisition module.
The bottom of above-mentioned Variable plunger pump is fixed with fuel tank, and fuel tank is provided with the TEMP being connected with data acquisition module
Device.
Above-mentioned housing is formed with two circular arc roads, and two circular arc roads have been locked an oil-free bearing shell by screw, shaken respectively
Pendulum is rotatably arranged on two circular arc roads.
Mounting hole is provided with above-mentioned housing, mounting hole is fixed with pivot angle seat.The center of pivot angle seat is formed with axis hole, axis hole
It is interior to be provided with pivot angle adapter.Pivot angle adapter is connected by swinging alignment pin with Variable plunger pump.
Above-mentioned resetting piston is formed with radial aperture, and tested pump-controlling valve is connected by feeding back valve element with radial aperture.Return
One end of piston is connected with return spring, and the other end is fixed with return push rod.The end of return push rod is engaged with waving.
Above-mentioned bonnet is formed with control plunger shaft, and control piston slides axially in control plunger shaft.Control piston
Back-moving spring is provided between one end and bonnet, the other end is fixed with control push rod.The end of control push rod is engaged with waving.
Compared with prior art, a kind of axial variable plunger pump test device for controlling valve of the present utility model, including
Hydraulic power module, pump-controlling valve performance test module and data acquisition module, hydraulic power module are pump-controlling valve performance test mould
Block provides pressure oil-source.The utility model only needs to provide low discharge, high pressure oil sources by hydraulic power module may be real
The existing axial variable plunger pump test for controlling valve, thus it is low with testing cost, save the advantage of electric energy.Pump-controlling valve performance is surveyed
Die trial block is used for testing the performance characteristics of different tested pump-controlling valves.Data acquisition module can detect test mode in real time, and collection is surveyed
Multiple running parameters during examination, are completed to work such as the analyses, processing, preservation of test data.The utility model can be adopted
It is controlled with computer, excludes artificial interference, can fast, accurately judges the performance quality of tested pump-controlling valve.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the principle schematic of the utility model embodiment.
Fig. 3 is Fig. 1 A-A to part sectioned view.
Embodiment
Embodiment of the present utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 to Fig. 3 show structural representation of the present utility model.
Reference therein is:Housing 1, screw 11, oil-free bearing shell 12, discharge capacity limitation screw 13, sealing nut 14, after
Lid 2, control plunger shaft 21, feedback valve element 3, tested pump-controlling valve 4, resetting piston 5, radial aperture 51, return spring 52, return top
Bar 53, support copper sheathing 54, control piston 6, back-moving spring 61, control push rod 62, wave 7, Variable plunger pump 8, phase asynchronous electricity
Machine 81, two-position four-way solenoid directional control valve 82, filter 83, check valve 84, proportional pressure control valve 85, pressure sensor 86, accurate pressure
Power table 87, fuel tank 88, temperature sensor 89, pivot angle seat 9, pivot angle adapter 91, swing alignment pin 92, soket head cap screw 93.
A kind of axial variable plunger pump test device for controlling valve of the present utility model, including hydraulic power module, pump
Valve performance test module and data acquisition module are controlled, hydraulic power module provides pressure oil-source for pump-controlling valve performance test module.
The utility model only needs to that by hydraulic power module offer low discharge, high pressure oil sources axial variable plunger pump may be realized
With control valve test, therefore with testing cost it is low, save electric energy advantage.Pump-controlling valve performance test module is used for testing not
With the performance characteristics of tested pump-controlling valve 4.Data acquisition module can detect multiple works during test mode, collecting test in real time
Make parameter, complete to work such as the analyses, processing, preservation of test data.The utility model is controlled using computer, is excluded
Artificial interference, can fast, accurately judge the performance quality of tested pump-controlling valve 4.
Pump-controlling valve performance test module includes housing 1 and bonnet 2.The side of housing 1 is anti-provided with what is be connected with tested pump-controlling valve 4
Valve element 3 is presented, feedback valve element 3 is connected with the resetting piston 5 that can be moved axially.The opposite side of housing 1 is provided with the control that can be moved axially
Oil pressure in piston 6, control piston 6 is controlled by tested pump-controlling valve 4.
The inside of housing 1 waves 7 provided with what can be swung, and the one end for waving 7 is connected with resetting piston 5, the other end and control
Piston 6 is connected.Wave 7 and angular transducer 90, the output signal of angular transducer 90 and data acquisition are connected with by connecting rod
Module is connected.
Hydraulic power module includes the Variable plunger pump 8 being fixed in housing 1 and be connected with Variable plunger pump 8 three
Phase Induction Machines 81.Threephase asynchronous machine 81 drives Variable plunger pump 8 from the oil suction of fuel tank 88 by shaft coupling.
The high pressure hydraulic fluid port of Variable plunger pump 8 connects pump-controlling valve performance test module by two-position four-way solenoid directional control valve 82.
Between the high pressure hydraulic fluid port and two-position four-way solenoid directional control valve 82 of Variable plunger pump 8 provided with the filter 83 connected and
Check valve 84, it is ensured that test it is smooth.
The outlet of check valve 84 is connected with proportional pressure control valve 85, the control signal wire connection proportional overflow of data acquisition module
Proportion electro-magnet on valve 85.
Pressure sensor 86 and precision pressure gauge 87 are provided with the in-line of two-position four-way solenoid directional control valve 82.Pressure is passed
The output line of sensor 86 is connected with data acquisition module.
The bottom of Variable plunger pump 8 is fixed with fuel tank 88, and fuel tank 88 is provided with the temperature being connected with data acquisition module and passed
Sensor 89.
Data acquisition module of the present utility model is mainly including the temperature sensor 89 on fuel tank 88, installed in oil
Pressure sensor 86 on road, and the angular transducer 90 in pump-controlling valve performance test module.The data wire of each sensor
It is connected with the terminal board in data acquisition module.Data collecting card be arranged on industrial computer mainboard on, data collecting card it is defeated
Go out to connect the proportion electro-magnet on proportional pressure control valve 85.
Housing 1 is formed with two circular arc roads, and two circular arc roads are locked respectively by screw 11 an oil-free bearing shell 12.Wave
7 are rotatably arranged on two circular arc roads, can be swung in the range of low-angle.
Resetting piston 5 is formed with radial aperture 51, and tested pump-controlling valve 4 is connected by feeding back valve element 3 with radial aperture 51, by height
Force feed is controlled to resetting piston 5.Promote valve element to be fed back by feeding back the aperture of valve element 3, realize the sensing of power.
One end of resetting piston 5 is connected with return spring 52, and the other end is fixed with return push rod 53.The end of return push rod 53
Portion is engaged with waving 7.When hydraulic oil does not have, resetting piston 5 is resetted by return spring 52, and making to wave 7 can put all the time
To maximum pendulum angle.
Because the movement travel of resetting piston 5 is larger, resetting piston 5 is set in support copper sheathing 54 and carries out radial support.
Support copper sheathing 54 has the slide opening being slidably matched with resetting piston 5.
Bonnet 2 is formed with control plunger shaft 21, and control piston 6 slides axially in control plunger shaft 21.Control piston 6
Back-moving spring 61 is provided between one end and bonnet 2, the other end is fixed with control push rod 62.Control the end of push rod 62 and wave 7
It is engaged.The oil of control plunger shaft 21 is that tested pump-controlling valve 4 is controlled, and controls the pressure of plunger shaft 21 to judge by measuring
The control situation of tested pump-controlling valve 4.
In order to prevent that the pivot angle for waving 7 is excessive or too small, discharge capacity limitation screw 13 is respectively provided on two sides with and close in housing 1
Seal nut 14.
Mounting hole is provided with housing 1, mounting hole is fixed with pivot angle seat 9.Pivot angle seat 9 is solid by two soket head cap screws 93
Fixed angled sensor 90.The center of pivot angle seat 9, which is formed with axis hole, axis hole, is provided with pivot angle adapter 91.
Pivot angle adapter 91 is connected by swinging alignment pin 92 with Variable plunger pump 8, pivot angle adapter 91 and angle sensor
The gyroaxis of device 90 is connected, and carries out angle transmission, and then detect Stress control situation.Angular transducer 90 is passed using high accuracy
Sensor, angular error is less than 0.1%, and pressure error is less than 0.1%.
In order to prevent that fluid from leaking, O-ring seal is provided between pivot angle adapter 91 and angular transducer 90.
The test device of axial variable plunger pump control valve of the present utility model can be to horizontal Feedback of Power bar
Part is tested, test pressure highest 35MPa, and the test device is carried for the axial variable plunger pump of batch production with control valve
Fast and accurately test platform is supplied.
Most preferred embodiment of the present utility model has been illustrated, the various change or remodeling made by those of ordinary skill in the art
All without departing from scope of the present utility model.
Claims (10)
1. a kind of axial variable plunger pump test device of control valve, including hydraulic power module, pump-controlling valve performance test mould
Block and data acquisition module, described hydraulic power module provide pressure oil-source for pump-controlling valve performance test module, it is characterized in that:
Described pump-controlling valve performance test module includes housing (1) and bonnet (2);Described housing (1) side is provided with and tested pump control
The connected feedback valve element (3) of valve (4), described feedback valve element (3) is connected with the resetting piston (5) that can be moved axially;Housing (1)
The oil pressure that opposite side is provided with the control piston (6) that can be moved axially, described control piston (6) is controlled by tested pump-controlling valve (4)
System;Waved (7) provided with what can be swung inside described housing (1), described one end for waving (7) is connected with resetting piston (5),
The other end is connected with control piston (6);Described wave (7) are connected with angular transducer (90), described angle by connecting rod
The output signal of degree sensor (90) is connected with described data acquisition module.
2. a kind of axial variable plunger pump according to claim 1 test device of control valve, it is characterized in that:Described
Hydraulic power module includes the Variable plunger pump (8) being fixed in housing (1) and the three-phase being connected with Variable plunger pump (8)
Asynchronous machine (81);The high pressure hydraulic fluid port of the Variable plunger pump (8) connects pump-controlling valve by two-position four-way solenoid directional control valve (82)
Performance test module.
3. a kind of axial variable plunger pump according to claim 2 test device of control valve, it is characterized in that:It is described to become
Provided with the filter (83) and check valve connected between the high pressure hydraulic fluid port and two-position four-way solenoid directional control valve (82) of amount plunger pump (8)
(84)。
4. a kind of axial variable plunger pump according to claim 3 test device of control valve, it is characterized in that:The list
Proportional pressure control valve (85) is connected with to the outlet of valve (84), the control signal wire of described data acquisition module connects proportional overflow
Proportion electro-magnet on valve (85).
5. a kind of axial variable plunger pump according to claim 4 test device of control valve, it is characterized in that:Described two
Pressure sensor (86) and precision pressure gauge (87) are provided with the in-line of position four-way electromagnetic reversing valve (82);The pressure is passed
The output line of sensor (86) is connected with data acquisition module.
6. a kind of axial variable plunger pump according to claim 5 test device of control valve, it is characterized in that:It is described to become
The bottom of amount plunger pump (8) is fixed with fuel tank (88), and described fuel tank (88) is provided with the temperature being connected with data acquisition module
Sensor (89).
7. a kind of axial variable plunger pump according to claim 6 test device of control valve, it is characterized in that:Described
Housing (1) is formed with two circular arc roads, and two circular arc roads are locked respectively by screw (11) an oil-free bearing shell (12), described
(7) are waved to be rotatably arranged on two circular arc roads.
8. a kind of axial variable plunger pump according to claim 7 test device of control valve, it is characterized in that:Described
Mounting hole is provided with housing (1), described mounting hole is fixed with pivot angle seat (9);The center of the pivot angle seat (9) is formed with axle
Pivot angle adapter (91) is provided with hole, described axis hole;Described pivot angle adapter (91) is by swinging alignment pin (92) and institute
Variable plunger pump (8) connection stated.
9. a kind of axial variable plunger pump according to claim 8 test device of control valve, it is characterized in that:Described
Resetting piston (5) is formed with radial aperture (51), and described tested pump-controlling valve (4) is opened by feeding back valve element (3) with described radial direction
Hole (51) is connected;One end of the resetting piston (5) is connected with return spring (52), and the other end is fixed with return push rod (53);
The end of described return push rod (53) is engaged with described wave (7).
10. a kind of axial variable plunger pump according to claim 9 test device of control valve, it is characterized in that:It is described
Bonnet (2) be formed with control plunger shaft (21), described control piston (6) slides axially in control plunger shaft (21);Institute
State and back-moving spring (61) is provided between one end of control piston (6) and bonnet (2), the other end is fixed with control push rod (62);Institute
The end for stating control push rod (62) is engaged with described wave (7).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621400639.XU CN206321414U (en) | 2016-12-20 | 2016-12-20 | A kind of axial variable plunger pump test device for controlling valve |
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CN201621400639.XU CN206321414U (en) | 2016-12-20 | 2016-12-20 | A kind of axial variable plunger pump test device for controlling valve |
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CN206321414U true CN206321414U (en) | 2017-07-11 |
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CN201621400639.XU Active CN206321414U (en) | 2016-12-20 | 2016-12-20 | A kind of axial variable plunger pump test device for controlling valve |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113296492A (en) * | 2021-05-17 | 2021-08-24 | 合肥众峻液压科技有限公司 | Testing device for variable pump power controller |
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2016
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113296492A (en) * | 2021-05-17 | 2021-08-24 | 合肥众峻液压科技有限公司 | Testing device for variable pump power controller |
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