CN103867527A - Multifunctional hydraulic test equipment - Google Patents
Multifunctional hydraulic test equipment Download PDFInfo
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- CN103867527A CN103867527A CN201410096146.0A CN201410096146A CN103867527A CN 103867527 A CN103867527 A CN 103867527A CN 201410096146 A CN201410096146 A CN 201410096146A CN 103867527 A CN103867527 A CN 103867527A
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Abstract
The invention discloses multifunctional hydraulic test equipment which comprises a hydraulic power source and a main testing unit, wherein the main testing unit comprises a first three-position four-way electromagnetic directional valve, a second three-position four-way electromagnetic directional valve, a second overflow valve, a third overflow valve, a third throttle valve, a fourth throttle valve and an oil cylinder; the hydraulic power source is connected to a hydraulic fluid port a of the first three-position four-way electromagnetic directional valve; the hydraulic fluid port c of the first three-position four-way electromagnetic directional valve is communicated with the hydraulic fluid port a of the second three-position four-way electromagnetic directional valve; the hydraulic fluid port C of the second three-position four-way electromagnetic directional valve is communicated with the inlet of the second overflow valve and the third overflow valve. The multifunctional hydraulic test equipment provided by the invention has the advantages of providing the hydraulic power source, testing a hydraulic cylinder, providing load and testing a hydraulic motor.
Description
Technical field
The present invention relates to a kind of hydraulic test bench, relate in particular to a kind of multifunctional solution pressing detecting device that hydraulic power supply, testing hydraulic oil cylinder can be provided, load, testing hydraulic motor are provided.
Background technique
At present, hydraulics is widely used in every field.Hydraulic element, the equipment produced all need to test, and need test such as hydraulic jack needs test, oil hydraulic motor, comprise that some hydraulically powered wind-powered electricity generations also need test.But current testing apparatus function is all more single, only there is certain specific test function.
Therefore, have must develop hydraulic power supply, testing hydraulic oil cylinder are provided, load are provided, the multifunctional solution pressing detecting device of testing hydraulic motor.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of multifunctional solution pressing detecting device, the deficiency existing to overcome prior art.
In order to solve the problems of the technologies described above, the present invention adopts following technological scheme:
A kind of multifunctional solution pressing detecting device, is characterized in that: comprise hydraulic power supply, main test cell;
Wherein, main test cell comprises the one one 3-position 4-way solenoid directional control valve, the second 3-position 4-way solenoid directional control valve, the second relief valve, the 3rd relief valve, the 3rd throttle valve, the 4th throttle valve and oil cylinder;
Described hydraulic power supply is connected to a hydraulic fluid port of described the first 3-position 4-way solenoid directional control valve; The c hydraulic fluid port of described the first 3-position 4-way solenoid directional control valve is communicated with a hydraulic fluid port of the second 3-position 4-way solenoid directional control valve, the c hydraulic fluid port of described the second 3-position 4-way solenoid directional control valve is communicated with import and the 3rd throttle valve of the second relief valve, and described the 3rd throttle valve is communicated with the indentation side hydraulic fluid port of tested oil cylinder again; The b hydraulic fluid port of described the first 3-position 4-way solenoid directional control valve is communicated to fuel tank, the d hydraulic fluid port of described the first 3-position 4-way solenoid directional control valve is communicated with the b hydraulic fluid port of described the second 3-position 4-way solenoid directional control valve, the d hydraulic fluid port of described the second 3-position 4-way solenoid directional control valve is communicated with import and the 4th throttle valve of the 3rd relief valve, and what the 4th throttle valve was communicated with tested oil cylinder again stretches out side hydraulic fluid port; On the piston rod of described tested oil cylinder, be connected with displacement transducer;
The outlet of the outlet of described the second relief valve and described the 3rd relief valve is communicated to fuel tank again.
The c hydraulic fluid port of described the second 3-position 4-way solenoid directional control valve is also communicated with respectively the second Pilot operated check valve, the 3rd Pilot operated check valve, and described the second Pilot operated check valve is communicated with C6 joint, and described the 3rd Pilot operated check valve is communicated with X5 hydraulic fluid port; The d hydraulic fluid port of described the second 3-position 4-way solenoid directional control valve is also communicated with respectively the 4th one-way valve, the 5th Pilot operated check valve, and described the 4th one-way valve is communicated with C5 joint, and described the 5th Pilot operated check valve is communicated with X6 hydraulic fluid port; Described the 3rd throttle valve and the 4th throttle valve between be also connected with the 5th throttle valve, the two ends of described the 5th throttle valve are connected with respectively the 6th Pilot operated check valve and the 7th Pilot operated check valve, described the 6th Pilot operated check valve is connected to X7 hydraulic fluid port, and described the 7th Pilot operated check valve is connected to X8 hydraulic fluid port.
Described hydraulic power supply comprises electric motor driven oil pump, the first one-way valve, the second throttle valve and the 3rd one-way valve; The filler opening of described oil pump is communicated with fuel tank, and the oil outlet of described oil pump is connected to the 3rd one-way valve through the first one-way valve, the second throttle valve, and described the 3rd one-way valve is connected to a hydraulic fluid port of described the first 3-position 4-way solenoid directional control valve; Between described the first one-way valve and fuel tank, be also connected with first throttle valve in parallel and the first relief valve.
Described hydraulic power supply comprises that oil pump also includes the first Pilot operated check valve, X9 oil outlet, return opening, cooler and filter; Described the first one-way valve is communicated with described the first Pilot operated check valve, and described the first Pilot operated check valve is communicated with X9 oil outlet, and described return opening is communicated with fuel tank through described cooler and filter successively.
Described hydraulic power supply also includes hand oil pump, the second one-way valve, described fuel tank and is communicated with described the first Pilot operated check valve through hand oil pump, the second one-way valve.
Described the 3rd one-way valve is also communicated to accumulator.
Adopt technique scheme, the present invention has can provide hydraulic power supply, testing hydraulic oil cylinder, load is provided, the multi-functional advantage of testing hydraulic motor.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail:
Fig. 1 is structural representation of the present invention.
Embodiment
As shown in Figure 1, multifunctional solution pressing detecting device of the present invention comprises hydraulic power supply 100, main test cell 200.
Wherein, main test cell 200 comprises the one one 3-position 4-way solenoid directional control valve 141, the second 3-position 4-way solenoid directional control valve 140, the second relief valve 110.2, the 3rd relief valve 110.3, the 3rd throttle valve 100.3, the 4th throttle valve 100.4 and tested oil cylinder 170.
The c hydraulic fluid port of the first 3-position 4-way solenoid directional control valve 141 is communicated with a hydraulic fluid port of the second 3-position 4-way solenoid directional control valve 140, and the c hydraulic fluid port of the second 3-position 4-way solenoid directional control valve 140 is communicated with import and the 3rd throttle valve 100.3 of the second relief valve 110.2.The 3rd throttle valve 100.3 is communicated with the indentation side hydraulic fluid port of tested oil cylinder 170 again.
The b hydraulic fluid port of the first 3-position 4-way solenoid directional control valve 141 is communicated to fuel tank 10 through cooler 240, filter 80.
The d hydraulic fluid port of the first 3-position 4-way solenoid directional control valve 141 is communicated with the b hydraulic fluid port of the second 3-position 4-way solenoid directional control valve 140, what the d hydraulic fluid port of the second 3-position 4-way solenoid directional control valve 140 was communicated with that the import of the 3rd relief valve 110.3 and the 4th throttle valve 100.4, the four throttle valve 100.4 are communicated with tested oil cylinder 170 again stretches out side hydraulic fluid port; On the piston rod of tested oil cylinder 170, be connected with displacement transducer 180.
The c hydraulic fluid port of the second 3-position 4-way solenoid directional control valve 140 is also communicated with respectively the second Pilot operated check valve 260.2, the 3rd Pilot operated check valve 260.3, the three Pilot operated check valves 260.3 are communicated with X5 hydraulic fluid port.The d hydraulic fluid port of the second 3-position 4-way solenoid directional control valve 140 is also communicated with respectively the 4th one-way valve 90.4, the 5th Pilot operated check valve 260.5, the four one-way valves 90.4 are communicated with C5 joint, and the 5th Pilot operated check valve 260.5 is communicated with X6 hydraulic fluid port.The 3rd throttle valve 100.3 and the 4th throttle valve 100.4 between be also connected with the 5th throttle valve 100.5, the two ends of the 5th throttle valve 100.5 are connected with respectively the 6th Pilot operated check valve 260.6 and the 7th Pilot operated check valve 260.7, the 6th Pilot operated check valve 260.6 is connected to X7 hydraulic fluid port, and the 7th Pilot operated check valve 260.7 is connected to X8 hydraulic fluid port.
The outlet of the outlet of the second relief valve 110.2 and the 3rd relief valve 110.3 is communicated to fuel tank 10 again.
Return opening 101 is communicated with fuel tank 10 through cooler 240, filter 80.
Be exactly more than multifunctional solution pressing detecting device of the present invention, its working method is as follows:
One, for test fluid cylinder pressure.
This integrated hydraulic test stand can be tested single-piston rod oil cylinder, and the load of maximum 350bar is provided, and flow is 55L/min(low-pressure state to the maximum); Can test out oil cylinder in the speed of flexible piston rod and real-time pressure condition, test method is as follows particularly:
When test fluid cylinder pressure, X7 hydraulic fluid port is connected with the filler opening of oil hydraulic cylinder to be measured, X8 hydraulic fluid port is connected with the return opening of hydraulic fluid port to be measured, open the second throttle valve 100.2, set the 3rd throttle valve 100.3 and the 4th throttle valve 100.4, close first throttle valve 100.1 and the 5th throttle valve 100.5, select suitable pressure transducer to be connected to respectively C5 and C6.Actuating motor, the size of adjusting the second relief valve 110.2 and the 3rd relief valve 110.3, to test oil cylinder in the speed of flexible piston rod and real-time pressure condition.The first 3-position 4-way solenoid directional control valve 141 left sides are obtained electric, while the second 3-position 4-way electromagnetic switch 140 left sides obtain electric, and tested oil cylinder stretches out; The first 3-position 4-way solenoid directional control valve 141 right sides are obtained electric, while the second 3-position 4-way solenoid directional control valve 140 left sides obtain electric, and tested oil cylinder is retracted.Whether normally observe its action.
Two, for testing motor.
This integrated hydraulic test stand can be tested low torque motor and the load of maximum 350bar is provided, and flow is 55L/min(low-pressure state to the maximum); Can test out the real-time pressure situation of motor, concrete test method is as follows:
Open the second throttle valve 100.2, close first throttle valve 100.1, the 3rd throttle valve 100.3 and the 4th throttle valve 100.4, the oil inlet and outlet of tested motor is connected respectively to X5 hydraulic fluid port and X6 hydraulic fluid port, and motor connects upper revolution instrument, selects suitable pressure transducer to be connected to respectively C5 joint and C6 joint.Actuating motor 60, changes pressure by changing the first relief valve 110.1, obtains concrete revolution by revolution instrument, uses measuring cup to be placed on it simultaneously and leaks oil port, tests its leakage rate.
Three, for hydraulic power supply is provided.
This integrated hydraulic test stand can be connected to tested system by quick release coupling, and it is 350bar that pressure maximum is provided, and flow is 55L/min(low-pressure state to the maximum); Also can use as required hand pump to pressurize, maximum to 180bar, concrete method is:
In the time using this integrated hydraulic test stand as power source, the second throttle valve 100.2 cuts out, regulate the first relief valve 110.1 to select the pressure needing, then X9 oil outlet is connected with tested pipeline or system, actuating motor 60 uses.While testing airtight experiment, also X9 oil outlet can be connected with tested pipeline or system, use separately hand pump to carry out pressurize, while test, be up to 180bar.
Four, be used to the tested liquid pressing system that output terminal is oil cylinder that load is provided.
This integrated hydraulic test stand can provide load for the tested liquid pressing system that output terminal is oil cylinder, and choose as required suitable oil cylinder so that constant thrust to be provided, in test process, can also measure in time the real-time pressure situation of this tested oil cylinder and the speed of stretching out piston rod under loading condition, concrete method is as follows:
The output terminal oil cylinder 170 of hydraulic system to be tested is connected with displacement transducer 180, the second relief valve 110.2 and the 3rd relief valve 110.3 are adjusted to uniform pressure value, select suitable pressure transducer to be connected to respectively C5 joint and C6 joint.Starting electrical machinery, obtains the second 3-position 4-way solenoid directional control valve 140 right sides electric, make simultaneously the first 3-position 4-way solenoid directional control valve 141 right sides also electric, make oil cylinder have all the time a constant power to eject to the right.After experiment finishes, then it is electric that the second 3-position 4-way solenoid directional control valve 140 left sides are obtained, make simultaneously the first 3-position 4-way solenoid directional control valve 141 right sides also electric, oil cylinder retracts.
By foregoing detailed description, can find out, the present invention has can provide hydraulic power supply, testing hydraulic oil cylinder, load is provided, the multi-functional advantage of testing hydraulic motor.
But; those skilled in the art will recognize that; above-mentioned embodiment is exemplary; in order better to make those skilled in the art can understand this patent; can not be interpreted as it is the restriction to this patent protection domain; as long as any being equal to done according to spirit that this patent discloses changes or modify, all fall into the scope of this patent protection.
Claims (6)
1. a multifunctional solution pressing detecting device, is characterized in that: comprise hydraulic power supply, main test cell;
Wherein, main test cell comprises the one one 3-position 4-way solenoid directional control valve, the second 3-position 4-way solenoid directional control valve, the second relief valve, the 3rd relief valve, the 3rd throttle valve, the 4th throttle valve and oil cylinder;
Described hydraulic power supply is connected to a hydraulic fluid port of described the first 3-position 4-way solenoid directional control valve; The c hydraulic fluid port of described the first 3-position 4-way solenoid directional control valve is communicated with a hydraulic fluid port of the second 3-position 4-way solenoid directional control valve, the c hydraulic fluid port of described the second 3-position 4-way solenoid directional control valve is communicated with import and the 3rd throttle valve of the second relief valve, and described the 3rd throttle valve is communicated with the indentation side hydraulic fluid port of tested oil cylinder again; The b hydraulic fluid port of described the first 3-position 4-way solenoid directional control valve is communicated to fuel tank, the d hydraulic fluid port of described the first 3-position 4-way solenoid directional control valve is communicated with the b hydraulic fluid port of described the second 3-position 4-way solenoid directional control valve, the d hydraulic fluid port of described the second 3-position 4-way solenoid directional control valve is communicated with import and the 4th throttle valve of the 3rd relief valve, and what the 4th throttle valve was communicated with tested oil cylinder again stretches out side hydraulic fluid port; On the piston rod of described tested oil cylinder, be connected with displacement transducer;
The outlet of the outlet of described the second relief valve and described the 3rd relief valve is communicated to fuel tank again.
2. multifunctional solution pressing detecting device according to claim 1, it is characterized in that: the c hydraulic fluid port of described the second 3-position 4-way solenoid directional control valve is also communicated with respectively the second Pilot operated check valve, the 3rd Pilot operated check valve, described the second Pilot operated check valve is communicated with C6 joint, and described the 3rd Pilot operated check valve is communicated with X5 hydraulic fluid port; The d hydraulic fluid port of described the second 3-position 4-way solenoid directional control valve is also communicated with respectively the 4th one-way valve, the 5th Pilot operated check valve, and described the 4th one-way valve is communicated with C5 joint, and described the 5th Pilot operated check valve is communicated with X6 hydraulic fluid port; Described the 3rd throttle valve and the 4th throttle valve between be also connected with the 5th throttle valve, the two ends of described the 5th throttle valve are connected with respectively the 6th Pilot operated check valve and the 7th Pilot operated check valve, described the 6th Pilot operated check valve is connected to X7 hydraulic fluid port, and described the 7th Pilot operated check valve is connected to X8 hydraulic fluid port.
3. multifunctional solution pressing detecting device according to claim 1, is characterized in that: described hydraulic power supply comprises electric motor driven oil pump, the first one-way valve, the second throttle valve and the 3rd one-way valve; The filler opening of described oil pump is communicated with fuel tank, and the oil outlet of described oil pump is connected to the 3rd one-way valve through the first one-way valve, the second throttle valve, and described the 3rd one-way valve is connected to a hydraulic fluid port of described the first 3-position 4-way solenoid directional control valve; Between described the first one-way valve and fuel tank, be also connected with first throttle valve in parallel and the first relief valve.
4. multifunctional solution pressing detecting device according to claim 3, is characterized in that: described hydraulic power supply also includes the first Pilot operated check valve, X9 oil outlet, return opening, cooler and filter; Described the first one-way valve is communicated with described the first Pilot operated check valve, and described the first Pilot operated check valve is communicated with X9 oil outlet, and described return opening is communicated with fuel tank through described cooler and filter successively.
5. multifunctional solution pressing detecting device according to claim 4, is characterized in that: described hydraulic power supply also includes hand oil pump, the second one-way valve, described fuel tank and is communicated with described the first Pilot operated check valve through hand oil pump, the second one-way valve.
6. multifunctional solution pressing detecting device according to claim 5, is characterized in that: described the 3rd one-way valve is also communicated to accumulator.
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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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| Application Number | Priority Date | Filing Date | Title |
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| CN201410096146.0A CN103867527B (en) | 2014-03-14 | 2014-03-14 | A kind of multifunctional solution pressing detecting device |
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| CN103867527A true CN103867527A (en) | 2014-06-18 |
| CN103867527B CN103867527B (en) | 2017-01-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122137A (en) * | 2016-08-31 | 2016-11-16 | 泰尔重工股份有限公司 | A kind of hydraulic system for moment of torsion laboratory bench and control method thereof |
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| 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 |
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| CN106122137A (en) * | 2016-08-31 | 2016-11-16 | 泰尔重工股份有限公司 | A kind of hydraulic system for moment of torsion laboratory bench and control method thereof |
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| CN103867527B (en) | 2017-01-04 |
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