CN103867527B - A kind of multifunctional solution pressing detecting device - Google Patents
A kind of multifunctional solution pressing detecting device Download PDFInfo
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- CN103867527B CN103867527B CN201410096146.0A CN201410096146A CN103867527B CN 103867527 B CN103867527 B CN 103867527B CN 201410096146 A CN201410096146 A CN 201410096146A CN 103867527 B CN103867527 B CN 103867527B
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Abstract
The open a kind of multifunctional solution pressing detecting device of the present invention, including hydraulic power supply, main test cell；Main test cell includes the first three-position four-way electromagnetic directional valve, the second three-position four-way electromagnetic directional valve, the second overflow valve, the 3rd overflow valve, the 3rd choke valve, the 4th choke valve and oil cylinder；Described hydraulic power supply is connected to a hydraulic fluid port of described first three-position four-way electromagnetic directional valve；The c hydraulic fluid port of described first three-position four-way electromagnetic directional valve connects a hydraulic fluid port of the second three-position four-way electromagnetic directional valve, and the c hydraulic fluid port of described second three-position four-way electromagnetic directional valve connects import and the 3rd choke valve of the second overflow valve.The present invention has can provide hydraulic power supply, test fluid compressing cylinder, provide load, the multi-functional advantage of test fluid pressure motor.
Description
Technical field
The present invention relates to a kind of hydraulic test bench, particularly relate to one and hydraulic power supply, test can be provided
Hydraulic jack, offer load, the multifunctional solution pressing detecting device of test fluid pressure motor.
Background technology
At present, hydraulic technique is widely used in every field.The Hydraulic Elements produced, equipment
Being required for testing, such as hydraulic jack needs test, hydraulic motor to need test, including some liquid
The wind-powered electricity generation that pressure drives is also required to test.But current test functions of the equipments are the most single, only have certain
Plant specific test function.
Therefore, have must develop offer hydraulic power supply, test fluid compressing cylinder, provide load, test fluid
The multifunctional solution pressing detecting device of pressure motor.
Summary of the invention
The technical problem to be solved is to provide a kind of multifunctional solution pressing detecting device, existing to overcome
Deficiency with the presence of technology.
In order to solve above-mentioned technical problem, the present invention adopts the following technical scheme that:
A kind of multifunctional solution pressing detecting device, it is characterised in that: include hydraulic power supply, main test cell；
Wherein, main test cell includes that the first three-position four-way electromagnetic directional valve, the second 3-position 4-way electromagnetism change
To valve, the second overflow valve, the 3rd overflow valve, the 3rd choke valve, the 4th choke valve and oil cylinder；
Described hydraulic power supply is connected to a hydraulic fluid port of described first three-position four-way electromagnetic directional valve；Described
The c hydraulic fluid port of one three-position four-way electromagnetic directional valve connects a hydraulic fluid port of the second three-position four-way electromagnetic directional valve, institute
The c hydraulic fluid port stating the second three-position four-way electromagnetic directional valve connects import and the 3rd choke valve of the second overflow valve,
Described 3rd choke valve connects the indentation side hydraulic fluid port of tested oil cylinder again；Described first 3-position 4-way electromagnetic switch
The b hydraulic fluid port of valve is communicated to fuel tank, the d hydraulic fluid port of described first three-position four-way electromagnetic directional valve connection described the
The b hydraulic fluid port of two three-position four-way electromagnetic directional valve, the d hydraulic fluid port of described second three-position four-way electromagnetic directional valve is even
The import of logical 3rd overflow valve and the 4th choke valve, the 4th choke valve connects the protruding side oil of tested oil cylinder again
Mouthful；Connect on the piston rod of described tested oil cylinder and have displacement transducer；
The outlet of described second overflow valve and the outlet of described 3rd overflow valve are communicated to fuel tank again.
The c hydraulic fluid port of described second three-position four-way electromagnetic directional valve be also respectively communicated with the second hydraulic control one-way valve,
Three hydraulic control one-way valves, described second hydraulic control one-way valve connection C6 joint, described 3rd hydraulic control one-way valve connection
X5 hydraulic fluid port；The d hydraulic fluid port of described second three-position four-way electromagnetic directional valve be also respectively communicated with the 4th check valve,
Five hydraulic control one-way valves, described 4th check valve connection C5 joint, described 5th hydraulic control one-way valve connection X6
Hydraulic fluid port；The 5th choke valve it is also associated with between described 3rd choke valve and the 4th choke valve, described Section five
The two ends of stream valve are connected to the 6th hydraulic control one-way valve and the 7th hydraulic control one-way valve, described 6th hydraulic control list
Being connected to X7 hydraulic fluid port to valve, described 7th hydraulic control one-way valve is connected to X8 hydraulic fluid port.
Described hydraulic power supply includes the oil pump of motor-driven, the first check valve, second throttle and
Three check valves；Described oil pump oil-in connection fuel tank, the oil-out of described oil pump through the first check valve,
Second throttle is connected to the 3rd check valve, and described 3rd check valve is connected to described first 3-position 4-way electricity
The a hydraulic fluid port of magnetic reversal valve；The first throttle valve of parallel connection it is also associated with between described first check valve and fuel tank
With the first overflow valve.
Described hydraulic power supply include oil pump also include the first hydraulic control one-way valve, X9 oil-out, oil return opening,
Cooler and filter；Described first check valve connects described first hydraulic control one-way valve, described first hydraulic control
Check valve connection X9 oil-out, described oil return opening connects fuel tank through described cooler with filter successively.
Described hydraulic power supply also include hand oil pump, the second check valve, described fuel tank through hand oil pump,
Second check valve connects described first hydraulic control one-way valve.
Described 3rd check valve is also communicated to accumulator.
Use technique scheme, the present invention have can provide hydraulic power supply, test fluid compressing cylinder,
Load, the multi-functional advantage of test fluid pressure motor are provided.
Accompanying drawing explanation
The present invention is described in detail with detailed description of the invention below in conjunction with the accompanying drawings:
Fig. 1 is the structural representation of the present invention.
Detailed description of the invention
As it is shown in figure 1, the multifunctional solution pressing detecting device of the present invention includes hydraulic power supply 100, main test
Unit 200.
Wherein, main test cell 200 includes first three-position four-way electromagnetic directional valve the 141, second 3-position 4-way
Solenoid directional control valve the 140, second overflow valve the 110.2, the 3rd overflow valve the 110.3, the 3rd choke valve 100.3,
4th choke valve 100.4 and tested oil cylinder 170.
The c hydraulic fluid port of the first three-position four-way electromagnetic directional valve 141 connects the second three-position four-way electromagnetic directional valve 140
A hydraulic fluid port, the c hydraulic fluid port of the second three-position four-way electromagnetic directional valve 140 connects the second overflow valve 110.2
Import and the 3rd choke valve 100.3.3rd choke valve 100.3 connects the indentation side oil of tested oil cylinder 170 again
Mouthful.
The cooled device of b hydraulic fluid port 240 of the first three-position four-way electromagnetic directional valve 141, filter 80 are communicated to
Fuel tank 10.
The d hydraulic fluid port of the first three-position four-way electromagnetic directional valve 141 connects the second three-position four-way electromagnetic directional valve 140
B hydraulic fluid port, d hydraulic fluid port connection the 3rd overflow valve 110.3 of second three-position four-way electromagnetic directional valve 140
Import and the 4th choke valve 100.4, the 4th choke valve 100.4 connects the protruding side oil of tested oil cylinder 170 again
Mouthful；Connect on the piston rod of tested oil cylinder 170 and have displacement transducer 180.
The c hydraulic fluid port of the second three-position four-way electromagnetic directional valve 140 is also respectively communicated with the second hydraulic control one-way valve
260.2, the 3rd hydraulic control one-way valve 260.3, the 3rd hydraulic control one-way valve 260.3 connects X5 hydraulic fluid port.Two or three
The d hydraulic fluid port of position four-way electromagnetic reversing valve 140 is also respectively communicated with the 4th check valve the 90.4, the 5th fluid-control one-way
Valve 260.5, the 4th check valve 90.4 connects C5 joint, and the 5th hydraulic control one-way valve 260.5 connects X6 oil
Mouthful.3rd choke valve 100.3 and be also associated with the 5th choke valve 100.5 between the 4th choke valve 100.4,
The two ends of the 5th choke valve 100.5 are connected to the 6th hydraulic control one-way valve 260.6 and the 7th fluid-control one-way
Valve 260.7, the 6th hydraulic control one-way valve 260.6 is connected to X7 hydraulic fluid port, and the 7th hydraulic control one-way valve 260.7 is even
Receive X8 hydraulic fluid port.
The outlet of the second overflow valve 110.2 and the outlet of the 3rd overflow valve 110.3 are communicated to fuel tank 10 again.
Hydraulic power supply 100 includes oil pump the 70, first check valve 90.1, second that motor 80 drives
Choke valve 100.2 and the 3rd check valve 90.3.Wherein, the oil-in connection fuel tank 10 of oil pump 70, oil
The oil-out of pump 70 is connected to the 3rd check valve 90.3 through the first check valve 90.1, second throttle 100.2.
3rd check valve 90.3 is connected to a hydraulic fluid port of the first three-position four-way electromagnetic directional valve 141；First check valve
First throttle valve 100.1 and first overflow valve of parallel connection it is also associated with between outlet and the fuel tank 10 of 90.1
110.1.It is single that the outlet of the first check valve 90.1 is also respectively connected to the first hydraulic control one-way valve the 260.1, the 9th
To valve 90.9 and Pressure gauge 120, this first hydraulic control one-way valve 260.1 is connected to X9 oil-out, and the 9th is single
It is connected to C7 joint to valve 90.9.
Hydraulic power supply 100 also includes hand oil pump the 150, second check valve 90.2.Fuel tank 10 is handled
Dynamic oil pump the 150, second check valve 90.2 connects the first hydraulic control one-way valve 260.1.3rd check valve 90.3
Also it is communicated to accumulator 160.
The cooled device of oil return opening 101 240, filter 80 connect fuel tank 10.
Being exactly more than the multifunctional solution pressing detecting device of the present invention, its working method is as follows:
One, for test fluid cylinder pressure.
This integrated hydraulic testing stand can test single-piston rod oil cylinder, and provides the load of maximum 350bar, stream
Amount is 55L/min (low-pressure state) to the maximum；Oil cylinder can be tested out in the speed of telescopic piston rod and in real time
Pressure condition, specifically method of testing is as follows:
During test fluid cylinder pressure, the oil-in of X7 hydraulic fluid port with hydraulic cylinder to be measured is connected, by X8 hydraulic fluid port with treat
The oil return opening surveying hydraulic fluid port is connected, and opens second throttle 100.2, sets the 3rd choke valve 100.3 and the 4th
Choke valve 100.4, cuts out first throttle valve 100.1 and the 5th choke valve 100.5, selects suitable pressure
Sensor is respectively connecting to C5 and C6.Actuating motor, regulates the second overflow valve 110.2 and the 3rd overflow
The size of valve 110.3, to test oil cylinder in the speed of telescopic piston rod and real-time pressure condition.Make
Obtain electric, simultaneously on the left of the second 3-position 4-way electromagnetic switch 140 on the left of one three-position four-way electromagnetic directional valve 141
Obtaining electric, tested oil cylinder stretches out；Make on the right side of the first three-position four-way electromagnetic directional valve 141 electric, simultaneously the
Obtaining electric on the left of two three-position four-way electromagnetic directional valve 140, tested oil cylinder is retracted.The most just observe its action
Often.
Two, it is used for testing motor.
This integrated hydraulic testing stand can be tested low torque motor and provide the load of maximum 350bar, and flow is
Greatly 55L/min (low-pressure state)；Can test out the real-time pressure situation of motor, concrete method of testing is such as
Under:
Open second throttle 100.2, close first throttle valve 100.1, the 3rd choke valve 100.3 and the
Four choke valves 100.4, connect X5 hydraulic fluid port and X6 hydraulic fluid port respectively by the oil inlet and outlet being test for motor, and
And motor connects upper revolution instrument, suitable pressure transducer is selected to be respectively connecting to C5 joint and C6 joint.
Actuating motor 60, is changed pressure by changing the first overflow valve 110.1, is had by revolution instrument
Body revolution, uses measuring cup to be placed on its leakage oil port simultaneously, tests its leakage rate.
Three, it is used for providing hydraulic power supply.
This integrated hydraulic testing stand can be connected to be test for system by hydraulic quick coupler, it is provided that maximum pressure
For 350bar, maximum flow is 55L/min (low-pressure state)；Manual pump can also be used as required to enter
Row pressurization, maximum to 180bar, concrete method is:
When using this integrated hydraulic testing stand as power source, second throttle 100.2 is closed, adjust
Save first overflow valve 110.1 select need pressure, then by X9 oil-out be test for pipeline or system
Being connected, actuating motor 60 uses.When carrying out testing airtight experiment, it is also possible to by X9 oil-out
Be test for pipeline or system is connected, be used alone manual pump and carry out pressurize, when testing, maximum
To 180bar.
Four, it is used for the tested hydraulic system for outfan is oil cylinder and load is provided.
This integrated hydraulic testing stand can provide for the tested hydraulic system that outfan is oil cylinder and load, and according to
Need to choose suitable oil cylinder to provide constant thrust, test process can also be measured this quilt in time
Surveying the real-time pressure situation of oil cylinder and stretch out the speed of piston rod in load conditions, concrete method is as follows:
The outfan oil cylinder 170 of hydraulic system to be tested is connected with displacement transducer 180, by second
Overflow valve 110.2 and the 3rd overflow valve 110.3 are adjusted to uniform pressure value, select suitable pressure sensing
Device is respectively connecting to C5 joint and C6 joint.Start motor, make the second three-position four-way electromagnetic directional valve 140
Right side electric, make on the right side of the first three-position four-way electromagnetic directional valve 141 simultaneously also electric, make oil cylinder have all the time
One constant power ejects to the right.After experiment terminates, then make the second three-position four-way electromagnetic directional valve 140
Left side electric, make on the right side of the first three-position four-way electromagnetic directional valve 141 simultaneously also electric, oil cylinder retracts.
Pass through foregoing detailed description, it can be seen that the present invention has can provide hydraulic power supply, test
Hydraulic jack, offer load, the multi-functional advantage of test fluid pressure motor.
But, one skilled in the art would recognize that above-mentioned detailed description of the invention is exemplary,
It is to preferably make to skilled artisans appreciate that this patent, it is impossible to be not understood as this patent is protected
Protect the restriction of scope, as long as change according to any equivalent made of spirit disclosed in this patent or modify,
Each fall within the scope of this patent protection.
Claims (4)
1. a multifunctional solution pressing detecting device, including hydraulic power supply, main test cell；
Wherein, main test cell includes the first three-position four-way electromagnetic directional valve, the second three-position four-way electromagnetic directional valve, the second overflow valve, the 3rd overflow valve, the 3rd choke valve, the 4th choke valve and oil cylinder；
Described hydraulic power supply is connected to a hydraulic fluid port of described first three-position four-way electromagnetic directional valve；The c hydraulic fluid port of described first three-position four-way electromagnetic directional valve connects a hydraulic fluid port of the second three-position four-way electromagnetic directional valve, the c hydraulic fluid port of described second three-position four-way electromagnetic directional valve connects import and the 3rd choke valve of the second overflow valve, and described 3rd choke valve connects the indentation side hydraulic fluid port of tested oil cylinder again；The b hydraulic fluid port of described first three-position four-way electromagnetic directional valve is communicated to fuel tank, the d hydraulic fluid port of described first three-position four-way electromagnetic directional valve connects the b hydraulic fluid port of described second three-position four-way electromagnetic directional valve, the import of d hydraulic fluid port connection the 3rd overflow valve of described second three-position four-way electromagnetic directional valve and the 4th choke valve, the 4th choke valve connects the protruding side hydraulic fluid port of tested oil cylinder again；Connect on the piston rod of described tested oil cylinder and have displacement transducer；
The outlet of described second overflow valve and the outlet of described 3rd overflow valve are communicated to fuel tank again；It is characterized in that:
The c hydraulic fluid port of described second three-position four-way electromagnetic directional valve is also respectively communicated with the second hydraulic control one-way valve, the 3rd hydraulic control one-way valve, described second hydraulic control one-way valve connection C6 joint, described 3rd hydraulic control one-way valve connection X5 hydraulic fluid port；The d hydraulic fluid port of described second three-position four-way electromagnetic directional valve is also respectively communicated with the 4th check valve, the 5th hydraulic control one-way valve, described 4th check valve connection C5 joint, described 5th hydraulic control one-way valve connection X6 hydraulic fluid port；It is also associated with the 5th choke valve between described 3rd choke valve and the 4th choke valve, the two ends of described 5th choke valve are connected to the 6th hydraulic control one-way valve and the 7th hydraulic control one-way valve, described 6th hydraulic control one-way valve is connected to X7 hydraulic fluid port, and described 7th hydraulic control one-way valve is connected to X8 hydraulic fluid port；
Described hydraulic power supply includes the oil pump of motor-driven, the first check valve, second throttle and the 3rd check valve；The oil-in connection fuel tank of described oil pump, the oil-out of described oil pump is connected to the 3rd check valve through the first check valve, second throttle, and described 3rd check valve is connected to a hydraulic fluid port of described first three-position four-way electromagnetic directional valve；First throttle valve and first overflow valve of parallel connection it is also associated with between described first check valve and fuel tank.
Multifunctional solution pressing detecting device the most according to claim 1, it is characterised in that: described hydraulic power supply also includes the first hydraulic control one-way valve, X9 oil-out, oil return opening, cooler and filter；Described first check valve connects described first hydraulic control one-way valve, and described first hydraulic control one-way valve connection X9 oil-out, described oil return opening connects fuel tank through described cooler with filter successively.
Multifunctional solution pressing detecting device the most according to claim 2, it is characterised in that: described hydraulic power supply also includes hand oil pump, the second check valve, and described fuel tank connects described first hydraulic control one-way valve through hand oil pump, the second check valve.
Multifunctional solution pressing detecting device the most according to claim 3, it is characterised in that: described 3rd check valve is also communicated to accumulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410096146.0A CN103867527B (en) | 2014-03-14 | 2014-03-14 | A kind of multifunctional solution pressing detecting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410096146.0A CN103867527B (en) | 2014-03-14 | 2014-03-14 | A kind of multifunctional solution pressing detecting device |
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| CN103867527A CN103867527A (en) | 2014-06-18 |
| CN103867527B true CN103867527B (en) | 2017-01-04 |
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| CN106122137B (en) * | 2016-08-31 | 2018-03-20 | 泰尔重工股份有限公司 | A kind of hydraulic system and its control method for moment of torsion laboratory bench |
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| CN203809417U (en) * | 2014-03-14 | 2014-09-03 | 上海电气液压气动有限公司 | Multifunctional hydraulic test device |
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2014
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001241384A (en) * | 2000-02-28 | 2001-09-07 | Hitachi Constr Mach Co Ltd | Pump monitoring device for hydraulic work machine |
| CN2646688Y (en) * | 2002-12-20 | 2004-10-06 | 长沙北站科技开发服务部 | Hydraulic test bench for storage battery forklift truck |
| CN2651492Y (en) * | 2003-06-23 | 2004-10-27 | 宝钢集团上海梅山有限公司 | Hydraulic test stand |
| RU2329414C1 (en) * | 2007-01-10 | 2008-07-20 | Государственное образовательное учреждение высшего профессионального образования "Санкт-Петербургский Государственный политехнический университет" (ГОУ "СПбГПУ") | Testing stand for hydraulic machines of fluid power drive |
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| CN103867527A (en) | 2014-06-18 |
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