CN205246453U - Electric power device's hydrostatic test equipment of stepping up - Google Patents
Electric power device's hydrostatic test equipment of stepping up Download PDFInfo
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- CN205246453U CN205246453U CN201520981951.1U CN201520981951U CN205246453U CN 205246453 U CN205246453 U CN 205246453U CN 201520981951 U CN201520981951 U CN 201520981951U CN 205246453 U CN205246453 U CN 205246453U
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Abstract
The utility model provides a control is simple, convenient operation, and the realization is the electric power device's hydrostatic test equipment of stepping up of stable pressurization test in succession. It adds the compressing cylinder including the pressurization jar to and be used for control to add the cylinder control return circuit of compressing cylinder, the output setting of pressurization jar pass through the pipeline and be connected with the pressure testing mouth of a river, the input and the output of pipeline set up manometer and pressure sensor respectively, the piston rod of pressurization jar and the piston rod fixed who adds the compressing cylinder form the linkage piston rod. Through the pressurization jar with add the linkage setting of compressing cylinder, utilize the accurate control of cylinder control return circuit to adding the compressing cylinder to realize the pressurization jar to hydraulic accurate control, for preset the curve that steps up, it is automatic that steadily step up and automatic control that real -time recording preserved the tentation data provides reliable hardware support, simultaneously, pressure detection equipment in that pipeline input port and delivery outlet set up respectively can carry out the accurate measurement to the water pressure in water pressure in the frock and the pressure jar.
Description
Technical field
The utility model relates to the water pressure test equipment of product in power system, the water pressure test that the is specially a kind of electrical device equipment that boosts.
Background technology
Along with the development of China's electric utility, GIS equipment is used widely in power system with its distinctive product advantage, and current GIS equipment development and application, to 1100kV power system, is therefore had higher requirement to the reliability of its safe operation.
Disc insulator is the critical component of GIS equipment. It is to ensure one of important detection means of its dependable performance that disc insulator is carried out to the water pressure test. And the water pressure test is the key equipment that carries out water pressure test inspection with the equipment of boosting, the water pressure test equipment of boosting mainly contains two kinds at present, and one is that Manual pressurization pump boosts, and another kind is that plunger displacement pump boosts, its weak point is mainly: the rate of rise is affected by human factors larger, has overshoot; Pressure monitoring table is installed in pressurized equipment place, does not consider the pressure error that the pressure deformation of disc insulator, test tool and pipeline is brought; The certainty of measurement of pressure monitoring table is only 0.2MPa; Can not automatically record the curve that boosts; The rate of rise of different boost phases is inconsistent; Because the destruction of disc insulator is to occur moment, artificial visually examine reads destruction value, has inaccuracy; The output pressure of plunger displacement pump cannot accurately be controlled, and its Output pressure showing in the time of the test products to different is unstable, cannot precise and stablely control. Also there is same problem in the hydraulic pressure test of same other electrical devices.
Utility model content
For problems of the prior art, the utility model provide a kind of control simple, easy to operate, the water pressure test that realizes the electrical device of the continous-stable applied voltage test equipment that boosts.
The utility model is to be achieved through the following technical solutions:
The water pressure test of the electrical device equipment that boosts, comprises pressurization water vat, pressurization oil cylinder, and for controlling the oil cylinder control loop of pressurization oil cylinder; The output setting of described pressurization water vat is connected with the pressure testing mouth of a river by pipeline, and the input of pipeline and output arrange respectively Pressure gauge and pressure sensor; The piston rod of the piston rod of pressurization water vat and pressurization oil cylinder is fixedly connected to form coupled piston bar.
Preferably, oil cylinder control loop comprises the motor and the oil pump that are arranged on oil circuit, and solenoid directional control valve and electric control one-way valve; The input of solenoid directional control valve is connected respectively the Liang Ge piston chamber of the oil cylinder that pressurizes and the inlet and outlet of fuel channel of oil pump with output; Electric control one-way valve is arranged on the oil-feed oil circuit of pressurization oil cylinder; On the vent line of oil pump, oil pressure gauge is set.
Further, oil cylinder control loop also comprises the proportional pressure control valve between the inlet and outlet of fuel channel that is connected to oil pump, for controlling the oil mass of inlet and outlet of fuel channel.
Further, oil cylinder control loop also comprises the overflow valve between the inlet and outlet of fuel channel that is connected to oil pump, for controlling the speed of inlet and outlet of fuel channel oil stream.
Further, on motor, cooling blower is set.
Preferably, on pipeline, be provided for the water inlet of moisturizing by high-pressure ball valve.
Compared with prior art, the utlity model has following useful technique effect:
The utility model is by the interlock setting of pressurization water vat and pressurization oil cylinder, utilize the accurate control of oil cylinder control loop to pressurization oil cylinder, thereby realize the accurate control of pressurization water vat to hydraulic pressure, for the automatic control that the default curve that boosts, automatic steady boost and real time record is preserved test data provides reliable hardware supported; Meanwhile, the pressure checking device arranging respectively at pipeline input port and delivery outlet, can carry out Measurement accuracy to the hydraulic pressure in hydraulic pressure and cylinder in frock.
Further, by the turnover of solenoid directional control valve control pressurization oil path in oil cylinder, utilize electric control one-way valve to carry out the accurate control of the oil pressure such as pressurize, locking and throttling; And passing ratio overflow valve can be by pressurize oil cylinder and pressurization water vat to the continuous and stable pressure of the water generates in test product frock; In the time that the water pressure test finishes, can realize reduction of blood pressure in high-speed by overflow valve, improve test efficiency.
Brief description of the drawings
Fig. 1 is the structural representation described in the utility model example.
In figure: motor 1, oil pump 2, overflow valve 3, oil pressure gauge 4, proportional pressure control valve 5, solenoid directional control valve 6, electric control one-way valve 7, coupled piston bar 8, pressurization oil cylinder 9, pressurization water vat 10, Pressure gauge 11, pressure sensor 12.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail, described in be to explanation of the present utility model instead of restriction.
The utility model is the water pressure test of the electrical device equipment that boosts, the water pressure test that the can be used in disc insulator equipment that boosts, as shown in Figure 1, it comprises motor 1, oil pump 2, overflow valve 3, oil pressure gauge 4, proportional pressure control valve 5, solenoid directional control valve 6, electric control one-way valve 7, coupled piston bar 8, pressurization oil cylinder 9, pressurization water vat 10, Pressure gauge 11 and pressure sensor 12. While boosting by oil pump 2 passing ratio overflow valves 4 control pressurization oil cylinder 9 promote coupled piston bar 8, by pressurization water vat 10 to continuous, the stable pressure of the water generates in test product frock. When finishing, the water pressure test can realize reduction of blood pressure in high-speed by overflow valve 3. By pressure sensor 12, the hydraulic pressure in disc insulator test tool is measured. The equipment of boosting can be preset the water pressure test curve (as rate of pressure rise, pressure rising time, dwell time) that boosts, and test data can be monitored in real time, reads and be preserved. Meanwhile, utilize the water inlet being arranged on pipeline to carry out moisturizing to pressurization water vat 10. Pressure sensor 12 is directly connected with disc insulator hydraulic pressure test fixture, can Measurement accuracy frock in hydraulic pressure, certainty of measurement reaches 0.01MPa.
The utility model is by adopting oil-water pressure conversion equipment, by controlling accurately oil pressure in order to realize the hydraulic pressure effect stably of boosting; For equipment is realized automatic rate of pressure rise, boost curve and dwell time set in advance, and test data is carried out to real time record hardware guarantee is provided; The pressure sensor of equipment is directly connected with hydraulic pressure test fixture, can directly reflect the hydraulic pressure that disc insulator bears, the feature have directly, effective, certainty of measurement is high. The utility model has solved that the rate of pressure rise that when Manual pressurization pump boosts, manual operation brings is uncontrollable, the process of boosting exists overshoot and measurement data manually to read the impact that has the human factors such as error; Also solved simultaneously plunger displacement pump rate of pressure rise uncontrollable, cannot record and the defect such as the artificial reading error of measurement data test data. The utility model can effectively improve the process control of the disc insulator water pressure test and the accuracy of test data, improves test efficiency, reduces experimental labour's labour intensity, also can be used in other products that need to carry out the water pressure test except disc insulator.
Above content is in conjunction with concrete preferred embodiment further detailed description of the utility model; can not assert that detailed description of the invention of the present utility model only limits to this; for the utility model person of an ordinary skill in the technical field; without departing from the concept of the premise utility; can also make some simple deduction or replace, all should be considered as belonging to the utility model and determine scope of patent protection by submitted to claims.
Claims (6)
1. the water pressure test of the electrical device equipment that boosts, is characterized in that, comprises pressurization water vat (10), pressurization oil cylinder (9), and for controlling the oil cylinder control loop of pressurization oil cylinder (9);
The output setting of described pressurization water vat (10) is connected with the pressure testing mouth of a river by pipeline, and the input of pipeline and output arrange respectively Pressure gauge (11) and pressure sensor (12); The piston rod of the piston rod of pressurization water vat (10) and pressurization oil cylinder (9) is fixedly connected to form coupled piston bar (8).
2. the water pressure test of a kind of electrical device according to claim 1 equipment that boosts, it is characterized in that, described oil cylinder control loop comprises the motor (1) and the oil pump (2) that are arranged on oil circuit, and solenoid directional control valve (6) and electric control one-way valve (7); The input of solenoid directional control valve (6) is connected respectively the Liang Ge piston chamber of pressurization oil cylinder (9) and the inlet and outlet of fuel channel of oil pump (2) with output; Electric control one-way valve (7) is arranged on the oil-feed oil circuit of pressurization oil cylinder (9); Oil pressure gauge (4) is set on the vent line of oil pump (2).
3. the water pressure test of a kind of electrical device according to claim 2 equipment that boosts, it is characterized in that, described oil cylinder control loop also comprises the proportional pressure control valve (5) between the inlet and outlet of fuel channel that is connected to oil pump (2), for controlling the oil mass of inlet and outlet of fuel channel.
4. the water pressure test of a kind of electrical device according to claim 2 equipment that boosts, it is characterized in that, described oil cylinder control loop also comprises the overflow valve (3) between the inlet and outlet of fuel channel that is connected to oil pump (2), for controlling the speed of inlet and outlet of fuel channel oil stream.
5. the water pressure test of a kind of electrical device according to claim 2 equipment that boosts, is characterized in that, on described motor (1), cooling blower is set.
6. the water pressure test of a kind of electrical device according to claim 1 equipment that boosts, is characterized in that, is provided for the water inlet of moisturizing on described pipeline by high-pressure ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520981951.1U CN205246453U (en) | 2015-11-30 | 2015-11-30 | Electric power device's hydrostatic test equipment of stepping up |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520981951.1U CN205246453U (en) | 2015-11-30 | 2015-11-30 | Electric power device's hydrostatic test equipment of stepping up |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205246453U true CN205246453U (en) | 2016-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520981951.1U Active CN205246453U (en) | 2015-11-30 | 2015-11-30 | Electric power device's hydrostatic test equipment of stepping up |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205246453U (en) |
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2015
- 2015-11-30 CN CN201520981951.1U patent/CN205246453U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210820 Address after: 710077 No. 18 West Second Ring Road, Shaanxi, Xi'an Patentee after: XI'AN HIGH VOLTAGE APPARATUS RESEARCH INSTITUTE Co.,Ltd. Address before: 710075 Shaanxi city of Xi'an Province Tang Hing Road No. 7 Patentee before: CHINA XD ELECTRIC Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 710077 No. 18 West Second Ring Road, Shaanxi, Xi'an Patentee after: Xi'an High Voltage Electrical Apparatus Research Institute Co.,Ltd. Address before: 710077 No. 18 West Second Ring Road, Shaanxi, Xi'an Patentee before: XI'AN HIGH VOLTAGE APPARATUS RESEARCH INSTITUTE Co.,Ltd. |