CN204458573U - A kind of hydraulic system of electromagnetic priority valve durability test - Google Patents
A kind of hydraulic system of electromagnetic priority valve durability test Download PDFInfo
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- CN204458573U CN204458573U CN201520107973.5U CN201520107973U CN204458573U CN 204458573 U CN204458573 U CN 204458573U CN 201520107973 U CN201520107973 U CN 201520107973U CN 204458573 U CN204458573 U CN 204458573U
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- directional control
- solenoid directional
- pressure
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- 239000000839 emulsion Substances 0.000 claims abstract description 12
- 239000002828 fuel tank Substances 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 8
- 239000003921 oil Substances 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
Abstract
A kind of hydraulic system of electromagnetic priority valve durability test, comprise: the first filter, oil pump, safety valve, relief valve, solenoid directional control valve, the second filter, stroke controlling unit, pressurized cylinder, accumulator, high-pressure safety valve, pressure monitoring unit, type pilot ratio electromagnetic type overflow reduction valve, pressure monitoring display unit, tested valve, fuel tank, emulsion box, one-way valve; Oil cylinder connects the first filter, oil pump, solenoid directional control valve, pressurized cylinder successively by pipeline, can carry out high pressure sealing test, also can do low pressure seal test, whole test system is full-automatic testing simultaneously, not only increase efficiency, also shorten the cycle of test simultaneously.
Description
Technical field
Basis is practical newly relates to electromagnetic priority valve durability test field, is specifically related to a kind of automatic control system of electromagnetic priority valve durability test.
Background technique
When producing electromagnetic priority valve or electromagnetic pilot selector valve new product, all must do sealability test, wishing to test its working life simultaneously.Main purpose detects high low pressure sealability and the life cycle of tested valve, wants that understand is the state which component first lost efficacy and lost efficacy within this cycle, for the improvement in later stage provides foundation; At present, this durability test is mostly by manual operation, and a general people one day even couple of days just can complete the test of, and this is inefficiency not only, and labor intensity is large, and cause the limited amount of test, result is undesirable.
Model utility content
The purpose of this utility model is the hydraulic system providing a kind of electromagnetic priority valve durability test, overcomes the problem of inefficiency in above-mentioned prior art.
The technical solution of the utility model is:
A kind of hydraulic system of electromagnetic priority valve durability test, comprise: the first filter, oil pump, safety valve, relief valve, solenoid directional control valve, the second filter, stroke controlling unit, pressurized cylinder, accumulator, high-pressure safety valve, pressure monitoring unit, type pilot ratio electromagnetic type overflow reduction valve, pressure monitoring display unit, tested valve valve, fuel tank, emulsion box, one-way valve, oil cylinder connects the first filter successively by pipeline, oil pump, solenoid directional control valve, pressurized cylinder, an inlet communication of the meta of gear delivery side of pump and solenoid directional control valve, the meta of solenoid directional control valve is cut-off state, the export pipeline of gear pump is also connected with safety valve, another inlet communication relief valve of the meta of solenoid directional control valve, the centre of pressurized cylinder is piston, the both sides of piston respectively with two outlet of the meta of solenoid directional control valve, Automatic-boosting cylinder both sides are respectively equipped with A chamber and B chamber, A chamber and the both sides, B chamber of pressurized cylinder are parallel with two groups of one-way valve groups, often organize one-way valve group and comprise two one-way valves: the first one-way valve and the second one-way valve, A chamber or B chamber and the pipeline connection between the first one-way valve and the second one-way valve, one-way valve group also connects accumulator successively by pipeline, high-pressure safety valve, pressure monitoring unit, type pilot ratio electromagnetic type overflow reduction valve, pressure monitoring display unit and tested valve valve, tested valve valve is three two-way valves, the right hand inlet port of meta is communicated with pressure monitoring display unit, the left hand inlet port of its meta is communicated with emulsion box.
Oil pump is gear pump.
The adjustable pressure scope 1MPa ~ 50MPa of pressure monitoring unit.
The outlet of the second filter is also communicated with emulsion box.
A chamber and the B chamber of Automatic-boosting cylinder are all connected with stroke controlling unit.
Stroke controlling unit is electronic type or mechanical type.
The utility model has the advantage of: first pressurization system uses hydraulic oil, test system be emulsified liquid, such benefit is that what to be overflowed in test process is emulsified liquid, and conveniently sweep and clean, its subsystem constant voltage is auto-adjustment control, and force value is adjustable, can carry out high pressure sealing test, also can do low pressure seal test, whole test system is full-automatic testing simultaneously, not only increase efficiency, also shorten the cycle of test simultaneously.
1. stroke controlling unit can be electronic type, also can be mechanical, and also can both use, its usage quantity is by 1 to 6 simultaneously.
2. system adopts common gear pump to replace high-pressure plunger pump, provides high-pressure emulsion through pressurized cylinder supercharging to system.
3. pressurized cylinder liquid entering hole does not need to arrange liquid-supply unit, reduces energy consumption and also reduces the complexity of system and the volume of system simultaneously.
Accompanying drawing explanation
Fig. 1 is durability testing system schematic diagram of the present utility model;
Fig. 2 is durability test hydraulic system principle figure of the present utility model.
Embodiment
As shown in Figure 1, 2, the utility model comprises: the first filter 1, gear pump 2, safety valve 3, relief valve 4, solenoid directional control valve 5, second filter 6, stroke controlling unit 7, pressurized cylinder 8, accumulator 9, high-pressure safety valve 10, pressure monitoring unit 11, type pilot ratio electromagnetic type overflow reduction valve 12, pressure monitoring display unit 13, tested valve valve 14, fuel tank 15, emulsion box 16, one-way valve 17.
The Action Specification of all parts is as follows:
Gear pump 2, provides reset pressure to system automatically; Adopt common gear pump to replace high-pressure plunger pump, provide high-pressure emulsion through pressurized cylinder supercharging to system.
Solenoid directional control valve 5, for controlling the supercharging direction of pressurized cylinder, be three two to valve.
Automatic-boosting cylinder 8(is called for short pressurized cylinder) both sides are A chamber and B chamber respectively, A chamber and B chamber are all connected with stroke controlling unit 7, when pressurized cylinder to reach capacity stroke to the supercharging of A chamber, when needing commutation, pressurized cylinder 8 is controlled to the supercharging of B chamber by the stroke controlling unit 7 be contained on A, when pressurized cylinder 8 to reach capacity stroke in the supercharging of B chamber, when needing to the supercharging of A chamber, stroke controlling unit 7 on B chamber controls pressurized cylinder 8 to the supercharging of A chamber, provides continuously higher than the high-voltage oil liquid of pump rated pressure for realizing to test system loop; Stroke controlling unit 7 can be electronic type, also can be mechanical, and also can both use, its usage quantity is by 1 to 6 simultaneously.The liquid entering hole of pressurized cylinder 8 does not need to arrange liquid-supply unit, reduces energy consumption and also reduces the complexity of system and the volume of system simultaneously.
Accumulator 9, compensates instantaneously for system pressure and reduces system temporary impact;
High-pressure safety valve 10, for the protection of high-pressure system safety;
Pressure monitoring unit 11, for monitoring the real-time pressure of high tension loop, the monitoring effective value of described pressure monitoring unit 11 is adjustable, adjustable pressure scope 1MPa ~ 50MPa;
Type pilot ratio electromagnetic type overflow reduction valve 12, for realizing the Isobarically Control to system pressure;
Pressure monitoring display unit 13, for monitoring and showing real-time system pressure.
Oil cylinder 15 connects the first filter 1 successively by pipeline, gear pump 2, solenoid directional control valve 5, pressurized cylinder 8, an inlet communication of the outlet of gear pump 2 and the meta of solenoid directional control valve 5, the meta of solenoid directional control valve 5 is cut-off state, the export pipeline of gear pump 2 is also connected with safety valve 3, another inlet communication relief valve 4 of the meta of solenoid directional control valve 5, the centre of pressurized cylinder 8 is piston, the both sides of piston respectively with two outlet of the meta of solenoid directional control valve 5, A chamber and the both sides, B chamber of pressurized cylinder 8 are parallel with two groups of one-way valve groups, often organize one-way valve group and comprise two one-way valves: the first one-way valve 17-1 and the second one-way valve 17-2, A chamber or B chamber and the pipeline connection between the first one-way valve 17-1 and the second one-way valve 17-2, one-way valve group also connects accumulator 9 successively by pipeline, high-pressure safety valve 10, pressure monitoring unit 11, type pilot ratio electromagnetic type overflow reduction valve 12, pressure monitoring display unit 13 and tested valve valve 14.Tested valve valve 14 is three two-way valves, and the right hand inlet port of meta is communicated with pressure monitoring display unit 13, and the left hand inlet port of its meta is communicated with emulsion box 16, and the outlet of the second filter 6 is also communicated with emulsion box 16.
Compared with prior art, first, the large pressure that the utility model does not need expensive high-power pump just can realize required for system, its principle realizes the high pressure needed for system after being through pressurized cylinder supercharging; Secondly, the utility model has increased stroke controlling unit newly in pressurized cylinder, thus can realize continuous Automatic-boosting; 3rd, the utility model is that pressurization system and high-pressure system use hydraulic oil and emulsified liquid respectively, and this is particularly suitable for test system and uses (because emulsified liquid is easy to cleaning, and cost is low, free from environmental pollution); 4th, the utility model pressurized cylinder liquid entering hole does not need to arrange liquid-supply unit, reduces energy consumption and also reduces the complexity of system and the volume of system simultaneously; Finally, the utility model can realize unmanned by pressure monitoring unit, and full-automatic regulation makes test system reach constant voltage, it reduces labor intensity, improves testing efficiency.
Claims (6)
1. the hydraulic system of an electromagnetic priority valve durability test, it is characterized in that: comprising: the first filter, oil pump, safety valve, relief valve, solenoid directional control valve, the second filter, stroke controlling unit, pressurized cylinder, accumulator, high-pressure safety valve, pressure monitoring unit, type pilot ratio electromagnetic type overflow reduction valve, pressure monitoring display unit, tested valve valve, fuel tank, emulsion box, one-way valve, oil cylinder connects the first filter successively by pipeline, oil pump, solenoid directional control valve, pressurized cylinder, an inlet communication of the meta of gear delivery side of pump and solenoid directional control valve, the meta of solenoid directional control valve is cut-off state, the export pipeline of gear pump is also connected with safety valve, another inlet communication relief valve of the meta of solenoid directional control valve, the centre of pressurized cylinder is piston, the both sides of piston respectively with two outlet of the meta of solenoid directional control valve, Automatic-boosting cylinder both sides are respectively equipped with A chamber and B chamber, A chamber and the both sides, B chamber of pressurized cylinder are parallel with two groups of one-way valve groups, often organize one-way valve group and comprise two one-way valves: the first one-way valve and the second one-way valve, A chamber or B chamber and the pipeline connection between the first one-way valve and the second one-way valve, one-way valve group also connects accumulator successively by pipeline, high-pressure safety valve, pressure monitoring unit, type pilot ratio electromagnetic type overflow reduction valve, pressure monitoring display unit and tested valve valve, tested valve valve is three two-way valves, the right hand inlet port of meta is communicated with pressure monitoring display unit, the left hand inlet port of its meta is communicated with emulsion box.
2. the hydraulic system of electromagnetic priority valve durability test according to claim 1, is characterized in that: oil pump is gear pump.
3. the hydraulic system of electromagnetic priority valve durability test according to claim 1 and 2, is characterized in that: the adjustable pressure scope 1MPa ~ 50MPa of pressure monitoring unit.
4. the hydraulic system of electromagnetic priority valve durability test according to claim 1 and 2, is characterized in that: the outlet of the second filter is also communicated with emulsion box.
5. the hydraulic system of electromagnetic priority valve durability test according to claim 1 and 2, is characterized in that: A chamber and the B chamber of Automatic-boosting cylinder are all connected with stroke controlling unit.
6. the hydraulic system of electromagnetic priority valve durability test according to claim 1 and 2, is characterized in that: stroke controlling unit is electronic type or mechanical type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520107973.5U CN204458573U (en) | 2015-02-14 | 2015-02-14 | A kind of hydraulic system of electromagnetic priority valve durability test |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520107973.5U CN204458573U (en) | 2015-02-14 | 2015-02-14 | A kind of hydraulic system of electromagnetic priority valve durability test |
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| Publication Number | Publication Date |
|---|---|
| CN204458573U true CN204458573U (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520107973.5U Active CN204458573U (en) | 2015-02-14 | 2015-02-14 | A kind of hydraulic system of electromagnetic priority valve durability test |
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| Country | Link |
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| CN (1) | CN204458573U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105372132A (en) * | 2015-10-30 | 2016-03-02 | 江南工业集团有限公司 | Pressure withstanding test system and method for gas cylinder valve shell |
| CN108453759A (en) * | 2018-05-21 | 2018-08-28 | 中国计量大学 | Bio-robot and its spinal device |
| CN112859947A (en) * | 2021-01-15 | 2021-05-28 | 四川大学 | Confining pressure control system and control method thereof |
-
2015
- 2015-02-14 CN CN201520107973.5U patent/CN204458573U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105372132A (en) * | 2015-10-30 | 2016-03-02 | 江南工业集团有限公司 | Pressure withstanding test system and method for gas cylinder valve shell |
| CN105372132B (en) * | 2015-10-30 | 2018-04-10 | 江南工业集团有限公司 | A kind of gas cylinder valve housing pressure test system and method |
| CN108453759A (en) * | 2018-05-21 | 2018-08-28 | 中国计量大学 | Bio-robot and its spinal device |
| CN108453759B (en) * | 2018-05-21 | 2020-11-06 | 中国计量大学 | Bionic robot and spine device thereof |
| CN112859947A (en) * | 2021-01-15 | 2021-05-28 | 四川大学 | Confining pressure control system and control method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |