CN208595119U - A kind of hydraulic test system - Google Patents
A kind of hydraulic test system Download PDFInfo
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- CN208595119U CN208595119U CN201820848448.2U CN201820848448U CN208595119U CN 208595119 U CN208595119 U CN 208595119U CN 201820848448 U CN201820848448 U CN 201820848448U CN 208595119 U CN208595119 U CN 208595119U
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Abstract
The utility model discloses a kind of hydraulic test systems, are related to hydraulic device the field of test technology.The hydraulic test system includes fuel tank, hydraulic pump, the motor for driving hydraulic pump, further includes test board and load system；Wherein test board includes multiple interfaces, and multiple interfaces can be connected via the runner being located in test board with the interface of tested solution pressure valve；Load system includes sequentially connected electric proportional pressure control valve, flowmeter, the first check valve, pressure sensor and three-position four-way electromagnetic directional valve；Hydraulic pump is sequentially connected test board, load system by pipeline；Wherein test board is connected to three-position four-way electromagnetic directional valve, and is connected separately with pressure sensor on two oil inlet pipelines of three-position four-way electromagnetic directional valve.The hydraulic test system of the utility model solves the problem of to need frequently to dismantle fluid pressure line when being used as load to be easy to cause test result inaccuracy using regulating valve and carrying out commutation valve test by load system.
Description
Technical field
The utility model relates to hydraulic device the field of test technology more particularly to a kind of hydraulic test systems.
Background technique
Hydraulic valve is in hydraulic system, and control and the element for adjusting the pressure of liquid stream, liquid measure and flow direction guarantee executive component
It works as required, and requires to test hydraulic valve various parameters when hydraulic valve factory.
It is existing when testing hydraulic valve, throttle valve is generallyd use as load to be tested, however throttle valve needs
It is big to manually adjust error, frequently disassembly liquid is needed when it is inaccurate easily to cause test result, and testing different hydraulic fluid ports
Pressure pipe road is easy to cause the leakage and waste of hydraulic oil to increase the maloperation of operator.
For this purpose, it is urgent to provide a kind of hydraulic test systems to solve the above problems.
Utility model content
The purpose of this utility model is to provide a kind of hydraulic test systems, are easy using solving using regulating valve as load
The problem of causing the problem of test result inaccuracy, and need when commutation valve test frequently disassembly fluid pressure line.
For this purpose, the utility model uses following technical scheme:
A kind of hydraulic test system, including fuel tank, hydraulic pump, the motor for driving the hydraulic pump, further includes:
Test board comprising multiple interfaces, multiple interfaces can be via the runners and quilt being located in the test board
The interface of test hydraulic valve is connected；
Load system comprising sequentially connected three-position four-way electromagnetic directional valve, electric proportional pressure control valve, flowmeter and first
Check valve；
The hydraulic pump is sequentially connected the test board, the load system by pipeline；The wherein test board and institute
Three-position four-way electromagnetic directional valve connection is stated, and is connected separately on two oil inlet pipelines of the three-position four-way electromagnetic directional valve
Pressure sensor.
After this structure, by the way that electric proportional pressure control valve is replaced traditional section in hydraulic test system as load
Stream valve manually adjusts mode, so that test result is more accurate；Also, pass through electric proportional pressure control valve and 3-position 4-way electromagnetic switch
Valve is used cooperatively, and can reduce and detaching pipelines is needed to readjust electric ratio when needing to test tested solution pressure valve difference hydraulic fluid port
The connecting line of overflow valve oil inlet and outlet, fluid pressure line need to frequently be dismantled by avoiding, and reduce the mistake behaviour of operator
Make, improves work efficiency, reduce the leakage and waste of hydraulic oil.
As the preferred embodiment of above-mentioned hydraulic test system, it is connected on the oil inlet of the three-position four-way electromagnetic directional valve
For connecting the quick coupling of tested solution pressure valve.
As the preferred embodiment of above-mentioned hydraulic test system, pressure oil is additionally provided between the hydraulic pump and the test board
Filter.
As the preferred embodiment of above-mentioned hydraulic test system, it is additionally provided between the pressure oil filter and the test board
Second one-way valve.
As the preferred embodiment of above-mentioned hydraulic test system, the hydraulic test system further includes for controlling the fuel tank
The temperature control equipment of interior hydraulic fluid temperature.
As the preferred embodiment of above-mentioned hydraulic test system, the temperature control equipment includes oil cooling machine and/or heater.
As the preferred embodiment of above-mentioned hydraulic test system, the hydraulic test system further includes for in the fuel tank
The filtration system that hydraulic oil is filtered.
As the preferred embodiment of above-mentioned hydraulic test system, the filtration system includes oil absorption filter, circulating pump and row
Oil strainer, the entrance of the oil absorption filter are connect with the fuel tank, and the oil absorption filter, the circulating pump and described
Draining oil filter is sequentially communicated.
As the preferred embodiment of above-mentioned hydraulic test system, oil return is provided on the oil return line of the hydraulic test system
Filter.
The utility model has the beneficial effects that
The hydraulic test system of the utility model, by taking electric proportional pressure control valve as load in hydraulic test system
Mode is manually adjusted for traditional throttle valve, so that test result is more accurate；Also, pass through electric proportional pressure control valve and three four
Electric change valve is used cooperatively, and can be reduced and be needed detaching pipelines again when needing to test tested solution pressure valve difference hydraulic fluid port
The connecting line of electric proportional pressure control valve oil inlet and outlet is adjusted, fluid pressure line need to frequently be dismantled by avoiding, and reduce operation
The maloperation of personnel, improves work efficiency, and reduces the leakage and waste of hydraulic oil.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of hydraulic test system for being equipped with tested solution pressure valve provided by the utility model.
In figure:
100, tested solution pressure valve；
1, fuel tank；2, load system；3, filtration system；4, hydraulic pump；5, pressure oil filter；6, second one-way valve；7, it returns
Oil strainer；8, heater；9, oil cooling machine；
21, electric proportional pressure control valve；22, flowmeter；23, the first check valve；24, three-position four-way electromagnetic directional valve；25, pressure
Sensor；
31, oil absorption filter；32, circulating pump；33, draining oil filter.
Specific embodiment
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
Present embodiment discloses a kind of hydraulic test systems, as shown in Figure 1.The hydraulic test system includes fuel tank 1, hydraulic
Pump 4, the motor for driving hydraulic pump 4, further include test board and load system 2；Wherein test board includes multiple interfaces, multiple interfaces
It can be connected via the runner being located in test board with the interface of tested solution pressure valve 100；Multiple interface packets of tested test plate (panel)
Entrance and exit is included, wherein entrance is used to export to tested solution pressure valve 100 input hydraulic pressure oil for exporting tested solution pressure valve
The hydraulic oil of 100 outputs；Load system 2 comprising sequentially connected three-position four-way electromagnetic directional valve 24, electric proportional pressure control valve
21, flowmeter 22 and the first check valve 23；Hydraulic pump 4 is sequentially connected test board, load system 2 by pipeline；Wherein test board
It is connected to three-position four-way electromagnetic directional valve 24, and is connected separately on two oil inlet pipelines of three-position four-way electromagnetic directional valve 24
Pressure sensor 25.After this structure, by the way that electric proportional pressure control valve 21 is replaced in hydraulic test system as load
Traditional throttle valve manually adjusts mode, so that test result is more accurate.When the different hydraulic fluid ports to tested solution pressure valve 100 into
When row load test, the Y2 solenoid valve of the Y1a or Y1b of three-position four-way electromagnetic directional valve 24 and electric proportional pressure control valve 21 obtains simultaneously
Electricity, the high pressure oil of three-position four-way electromagnetic directional valve 24 enter electric proportional pressure control valve 21, constantly change the electricity of electric proportional pressure control valve 21
Size is flowed to change the oil pressure relief of electric proportional pressure control valve 21, realizes the load test to tested solution pressure valve 100, electric ratio
21 draining of overflow valve can measure the flow of tested solution pressure valve 100 when passing through flowmeter 22, the first check valve 23 is from pressure sensing
Device 25 obtains the test pressure of tested solution pressure valve 100.Also, pass through electric proportional pressure control valve 21 and three-position four-way electromagnetic directional valve
24 be used cooperatively, can reduce and need detaching pipelines to readjust electricity when needing to test 100 difference hydraulic fluid port of tested solution pressure valve
The connecting line of 21 oil inlet and outlet of proportional pressure control valve, fluid pressure line need to frequently be dismantled by avoiding, and reduce operator
Maloperation, improve work efficiency, reduce the leakage and waste of hydraulic oil.Also, the outlet of flowmeter 22 and first is unidirectionally
Valve 23 connects, and causes brokenly if occurring maloperation high pressure oil when test and will not return to entrance from the outlet of flowmeter 22 to flowmeter 22
It is bad.
Wherein, three-position four-way electromagnetic directional valve 24 successively with electric proportional pressure control valve 21, flowmeter 22 and the first check valve 23
Connection forms load system 2, is connected on the oil inlet of three-position four-way electromagnetic directional valve 24 for connecting tested solution pressure valve 100
Quick coupling, in this way be convenient for load system 2 disassembly and replacement.
Also, pressure oil filter 5 is additionally provided between hydraulic pump 4 and test board, to avoid tested solution pressure valve 100 is entered
Interior hydraulic oil pollution tested solution pressure valve 100 causes the phenomenon of test result inaccuracy to occur.The oil return of hydraulic test system
It is provided with return filter 7 on pipeline, the hydraulic oil for entering fuel tank 1 is filtered, prevents it from polluting hydraulic oil in fuel tank 1.
Meanwhile second one-way valve 6 is additionally provided between pressure oil filter 5 and test board, pressure oil pipeline can be avoided to a certain extent
Hydraulic oil suck-back influence proper testing.
Tested solution pressure valve 100 both includes the hydraulic valve newly to dispatch from the factory, also includes using after a period of time to the progress of its performance
The hydraulic valve of inspection, or even it is also possible to system failure carries out the hydraulic valve of test detection, therefore oil for Hydraulic Elements
Hydraulic oil in case 1 needs special filtration system 3 to be filtered, to guarantee the cleannes of hydraulic oil.In this present embodiment, liquid
Pressure test macro further includes the filtration system 3 for being filtered to hydraulic oil in fuel tank 1.Filtration system 3 is filtered including oil suction
The entrance of device 31, circulating pump 32 and draining oil filter 33, oil absorption filter 31 is connect with fuel tank 1, and oil absorption filter 31, circulation
Pump 32 and draining oil filter 33 are sequentially communicated.
In addition, hydraulic test system further includes the temperature control equipment for controlling hydraulic fluid temperature in fuel tank 1.Temperature control
Device processed includes oil cooling machine 9 and/or heater 8.Since hydraulic oil has preferably performance, this implementation in certain temperature range
The hydraulic oil in fuel tank 1 is set to be in convenient temperature by the way that temperature control equipment is arranged in example, to ensure the performance of hydraulic oil.
Obviously, the above embodiments of the present invention is used for the purpose of clearly illustrating examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
Exhaustion.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in
Within the protection scope of the utility model claims.
Claims (9)
1. a kind of hydraulic test system, including fuel tank (1), hydraulic pump (4), the motor for driving the hydraulic pump (4), feature exists
In, further includes:
Test board comprising multiple interfaces, multiple interfaces can be via the runners that are located in the test board and tested
The interface of hydraulic valve (100) is connected；
Load system (2) comprising sequentially connected three-position four-way electromagnetic directional valve (24), electric proportional pressure control valve (21), flow
Count (22) and the first check valve (23)；
The hydraulic pump (4) is sequentially connected the test board, the load system (2) by pipeline；Wherein the test board with
Three-position four-way electromagnetic directional valve (24) connection, and on two oil inlet pipelines of the three-position four-way electromagnetic directional valve (24)
It is connected separately with pressure sensor (25).
2. hydraulic test system according to claim 1, which is characterized in that the three-position four-way electromagnetic directional valve (24)
The quick coupling for connecting tested solution pressure valve (100) is connected on oil inlet.
3. hydraulic test system according to claim 1, which is characterized in that the hydraulic pump (4) and the test board it
Between be additionally provided with pressure oil filter (5).
4. hydraulic test system according to claim 3, which is characterized in that the pressure oil filter (5) and the test
Second one-way valve (6) are additionally provided between plate.
5. hydraulic test system according to claim 1, which is characterized in that the hydraulic test system further includes for controlling
Make the temperature control equipment of the fuel tank (1) interior hydraulic fluid temperature.
6. hydraulic test system according to claim 5, which is characterized in that the temperature control equipment includes oil cooling machine
(9) and/or heater (8).
7. hydraulic test system according to claim 1, which is characterized in that the hydraulic test system further include for pair
The filtration system (3) that the interior hydraulic oil of the fuel tank (1) is filtered.
8. hydraulic test system according to claim 7, which is characterized in that the filtration system (3) includes oil suction filtering
The entrance of device (31), circulating pump (32) and draining oil filter (33), the oil absorption filter (31) is connect with the fuel tank (1),
And the oil absorption filter (31), the circulating pump (32) and the draining oil filter (33) are sequentially communicated.
9. hydraulic test system according to claim 1, which is characterized in that on the oil return line of the hydraulic test system
It is provided with return filter (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820848448.2U CN208595119U (en) | 2018-06-01 | 2018-06-01 | A kind of hydraulic test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820848448.2U CN208595119U (en) | 2018-06-01 | 2018-06-01 | A kind of hydraulic test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208595119U true CN208595119U (en) | 2019-03-12 |
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ID=65600890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820848448.2U Active CN208595119U (en) | 2018-06-01 | 2018-06-01 | A kind of hydraulic test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208595119U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855664A (en) * | 2019-11-27 | 2021-05-28 | 天津大学青岛海洋技术研究院 | Test system for testing hydraulic pump by measuring quality |
-
2018
- 2018-06-01 CN CN201820848448.2U patent/CN208595119U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855664A (en) * | 2019-11-27 | 2021-05-28 | 天津大学青岛海洋技术研究院 | Test system for testing hydraulic pump by measuring quality |
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