CN210829938U - Ultrahigh pressure hydraulic test device - Google Patents
Ultrahigh pressure hydraulic test device Download PDFInfo
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- CN210829938U CN210829938U CN201921766922.8U CN201921766922U CN210829938U CN 210829938 U CN210829938 U CN 210829938U CN 201921766922 U CN201921766922 U CN 201921766922U CN 210829938 U CN210829938 U CN 210829938U
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Abstract
The utility model relates to an ultrahigh pressure hydraulic test device, the purpose is in order to solve the problem that the hydraulic test device that exists can not satisfy ultrahigh pressure hydraulic demand among the prior art. The utility model comprises an oil tank, an output pipeline, an oil return pipeline, a system safety valve, a system pressure regulating valve, an electromagnetic valve DT11, an electromagnetic valve DT12 and a pressurizing unit; the output pipeline is divided into two pipelines at the output end of the first precision oil filter, namely a first pipeline and a second pipeline; one end of the system pressure regulating valve is connected to the connecting point of the first pipeline and the second pipeline, and the other end of the system pressure regulating valve is connected with the oil return pipeline; the solenoid valve DT11 is arranged on the first pipeline; the solenoid valve DT12 and the pressurization unit are arranged on the second pipeline; solenoid valve DT11 and solenoid valve DT12 are electrically interlocked; the pressurizing unit comprises a supercharger and a three-position four-way electromagnetic reversing valve; an oil inlet P of the three-position four-way electromagnetic reversing valve is connected with an output end of an electromagnetic valve DT12, an oil return port T is connected with an oil return pipeline, and a working port A and a working port B are both connected with an input end of a supercharger.
Description
Technical Field
The utility model relates to a hydraulic test device, concretely relates to superhigh pressure hydraulic test device.
Background
The ultrahigh pressure hydraulic test device is mainly used for providing hydraulic oil with certain pressure and flow for a test piece needing ultrahigh pressure test, and the pressure is adjustable within the range of 2 MPa-300 MPa.
The oil supply pressure of the existing hydraulic pump reaches 55MPa at most, the hydraulic element is resistant to pressure of 60MPa at most, the principle of the existing hydraulic pump is shown in figure 1, and the existing hydraulic pump comprises an oil tank 01, an output pipeline 014, an oil return pipeline 019, an oil filter 02, a ball valve 03, a motor 05, an oil pump 06, a one-way valve 08, a precision oil filter 09, a pressure gauge 011, a system safety valve 010, a system pressure regulating valve 012 and an air cooling radiator 013, wherein the output pipeline 014 and the oil return pipeline 015 are both connected with the oil tank 01, the oil filter 02, the ball valve 03, the oil pump 06, the one-way valve 08, the precision oil filter 09 and the pressure gauge 011 are sequentially arranged on the output pipeline 014 along the flow direction of hydraulic oil, one end of the system safety valve; similarly, one end of the system pressure regulating valve 012 is connected with the output end of the precision oil filter 09, the other end is connected with an oil return pipeline 019, and the oil return pipeline 019 is provided with an air-cooled radiator 013; the motor 05 is connected with the oil pump 06; pressure gauge 011 is connected to output conduit 014 near its output end. The oil tank 01 is also provided with a temperature sensor 015, an air filter 016, a liquid level meter 017 and an oil discharge switch 018.
The oil pump 06 pumps the hydraulic oil out of the oil tank 01 and outputs the hydraulic oil through the conveying pipeline 014, the highest output pressure of the hydraulic oil is determined by the oil pressure output by the oil pump 06, and the highest output pressure of the oil pump 06 can only reach 55MPa, so that the system pressure regulating valve 012 can only be regulated within 0-55 MPa, and the ultrahigh pressure requirement cannot be met.
Therefore, a complete set of ultrahigh pressure test device is required.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an ultrahigh pressure hydraulic test device in order to solve the problem that the hydraulic test device that exists can not satisfy the ultrahigh pressure hydraulic demand among the prior art.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the utility model relates to an ultrahigh pressure hydraulic test device, which comprises an oil tank, an output pipeline, an oil return pipeline and a system safety valve; the output pipeline and the oil return pipeline are both connected with an oil tank; the oil filter, the ball valve, the oil pump, the one-way valve and the first precision oil filter are sequentially arranged on the output pipeline along the output direction of the output pipeline, the oil pump is provided with a motor, the input end of the system safety valve is connected with the output end of the first precision oil filter, and the output end of the system safety valve is connected with the oil return pipeline; an air-cooled radiator is arranged on the oil return pipeline; the oil tank is also provided with a temperature sensor, an air filter, a liquid level meter and an oil drainage switch;
the method is characterized in that: the system also comprises a system pressure regulating valve, an electromagnetic valve DT11, an electromagnetic valve DT12 and a pressurization unit;
the output pipeline is divided into two pipelines at the output end of the first precision oil filter, namely a first pipeline and a second pipeline;
one end of the system pressure regulating valve is connected to the connecting point of the first pipeline and the second pipeline, and the other end of the system pressure regulating valve is connected with the oil return pipeline;
the solenoid valve DT11 is arranged on the first pipeline;
the electromagnetic valve DT12 and the pressurization unit are arranged on the second pipeline along the output direction of the hydraulic oil;
the solenoid valve DT11 and the solenoid valve DT12 form an electric interlock;
the supercharging unit comprises a supercharger and a three-position four-way electromagnetic reversing valve;
an oil inlet P of the three-position four-way electromagnetic reversing valve is connected with an output end of an electromagnetic valve DT12, an oil return port T is connected with an oil return pipeline, and a working port A and a working port B are both connected with an input end of a supercharger.
Further, the device also comprises an ultrahigh pressure safety valve; one end of the ultrahigh pressure safety valve is connected with the output end of the electromagnetic valve DT12, and the other end of the ultrahigh pressure safety valve is connected with the oil return pipeline.
Further, the device also comprises a high-pressure gauge; and the high-pressure gauge is connected with the output end of the supercharger.
Further, the oil filter further comprises a second precise oil filter, and the second precise oil filter is connected between a connecting point of the ultrahigh pressure safety valve and the electromagnetic valve DT12 and an oil inlet P of the three-position four-way electromagnetic directional valve.
Further, the device also comprises a first pressure gauge;
the first pressure gauge is positioned on the first pipeline and is positioned at the output end of the solenoid valve DT 11.
Further, the system also comprises a second pressure gauge, and the second pressure gauge is arranged at the connecting point of the ultrahigh pressure safety valve and the solenoid valve DT 12.
Furthermore, the regulating gears of the system pressure regulating valve are five, namely 100Mpa, 150Mpa, 200Mpa, 250Mpa and 300 Mpa.
Further, the setting of the ultrahigh pressure safety valve is 1MPa greater than the input pressure of the supercharger.
The device further comprises an equipment box, wherein four trundles are arranged at the bottom of the equipment box;
the equipment box is divided into four parts, namely a display operation part, a test box, an electric control box and a mechanical box;
the display operation part is positioned at the upper left part of the equipment box, and the first pressure gauge, the second pressure gauge and the high-pressure gauge are embedded in the display operation part;
the test box is positioned at the upper right part of the equipment box and used for placing a test element;
the electric control box is positioned at the left lower part of the equipment box and used for supplying power;
the mechanical box is positioned at the right lower part of the equipment box and is used for placing an oil tank, an oil filter, a motor, an oil pump, a pipeline, a one-way valve, a first precise oil filter, a system pressure regulating valve, a system safety valve, an air cooling radiator, a temperature sensor, an air filter, a liquid level meter, an oil drain switch, an electromagnetic valve DT11, an electromagnetic valve DT12 and a pressurizing unit.
The utility model has the advantages that:
1. the utility model discloses an oil pump is divided into two the tunnel after the oil tank output with hydraulic oil, deliver to 55MPa through solenoid valve DT11 and supply oil port joint all the way, 0 ~ 55MPa pressure oil of exportable, another way delivers to the booster through solenoid valve DT12, provide the pressure oil of high up to 300Mpa to "the oil port is supplied to the superhigh pressure" joint through the pressurization, superhigh pressure hydraulic demand has been satisfied, solenoid valve DT11 forms electric interlocking with solenoid valve DT12 simultaneously, make two tunnel work all the way at every turn, another way is closed.
2. The utility model discloses in still set up the superhigh pressure relief valve to prevent booster input pressure superpressure.
3. The utility model discloses an optimal design to the hydraulic pressure principle carries out segmentation with the pressure scope of superhigh pressure oil circuit and handles, and convenience of customers uses, and a key operation need not the adjustment, can protect unlikely excessive pressure because of the operation is improper by the test piece.
4. The utility model discloses still include the equipment box, with holding of all device laws in the equipment box, and still installed the truckle bottom the equipment box, can be convenient indoor removal.
Drawings
FIG. 1 is a schematic diagram of a prior art hydraulic test rig;
in the figure, 01-an oil tank, 02-an oil filter, 03-a ball valve, 05-a motor, 06-an oil pump, 08-a one-way valve, 09-a precision oil filter, 011-a pressure gauge, 010-a system safety valve, 012-a system pressure regulating valve, 013-an air-cooled radiator, 014-an output pipeline, 015-a temperature sensor, 016-an air filter, 017-a liquid level meter, a 018-an oil drain switch and 019-an oil return pipeline;
FIG. 2 is a schematic diagram of the ultra-high pressure hydraulic test device of the present invention;
fig. 3 is a schematic structural diagram of the ultra-high pressure hydraulic test apparatus of the present invention.
In the figure, 1-an oil tank, 2-an oil filter, 3-a ball valve, 4-an oil return pipeline, 5-a motor, 6-an oil pump, 7-a pipeline, 71-a first pipeline, 72-a second pipeline, 8-a one-way valve, 9-a first precision oil filter, 12-a first pressure gauge, 14-a three-position four-way electromagnetic directional valve, 15-a supercharger, 16-a high pressure gauge, 17-a second precision oil filter, 18-an ultrahigh pressure safety valve, 19-a system pressure regulating valve, 20-a system safety valve, 21-an air cooling radiator, 22-an oil drain switch, 23-a liquid level meter, 24-an air filter, 25-a temperature sensor, 26-an equipment box, 261-a display operation part, 262-a test box, 263-an electric control box and 264-a mechanical box, 265-caster.
Detailed Description
In order to make the objects, advantages and features of the present invention clearer, the following description of the present invention will be made in detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more apparent from the following detailed description. It should be noted that: the drawings are in a very simplified form and are not to precise scale, and are provided solely for the purpose of facilitating and distinctly aiding in the description of the embodiments of the present invention; second, the structures shown in the drawings are often part of actual structures.
The utility model relates to a superhigh pressure hydraulic test device, its theory of operation is:
the utility model discloses to divide two the tunnel through the hydraulic pressure oil that the oil pump was beaten in from the oil tank, deliver to 55MPa through solenoid valve DT11 all the way and supply oil mouth to connect, 0 ~ 55MPa pressure oil of exportable, another way delivers to the booster through another solenoid valve DT12, supplies oil mouth to connect to provide 100Mpa-300 Mpa's pressure oil to the superhigh pressure through the boosting.
The two solenoid valves DT11 and DT12 are electrically interlocked, ensuring that only one is switched on. In order to protect the tested piece from overpressure caused by improper operation, the utility model discloses superhigh pressure oil circuit pressure is divided into 5 fender, is 100Mpa, 150Mpa, 200Mpa, 250Mpa, 300Mpa respectively. The step-by-step work is carried by the system pressure regulating valve, the proportional amplifier is controlled to output five different control voltages, and the pressure of the system pressure regulating valve for supplying oil to the supercharger at each step is 5Mpa, 7.5Mpa, 10Mpa, 12.5Mpa and 15Mpa, so that the output pressure of the supercharger between each step is limited.
If the input pressure of the supercharger is 15MPa, the ultrahigh pressure safety valve is set to be 16MPa and used as a safety valve to prevent the input pressure of the supercharger from being overpressure, and the three-position four-way electromagnetic directional valve controls the supercharger to work, output ultrahigh pressure oil and perform ultrahigh pressure relief.
Example (b):
the utility model relates to a superhigh pressure hydraulic test device's structure as follows:
as shown in fig. 2, the present embodiment includes an oil tank 1, an output pipe 7, an oil return pipe 4, and a system safety valve 20; the output pipeline 7 and the oil return pipeline 4 are both connected with the oil tank 1; the oil filter 2, the ball valve 3, the oil pump 6, the one-way valve 8 and the first precision oil filter 9 are sequentially arranged on the output pipeline 7 along the output direction of the output pipeline, the motor 5 is arranged on the oil pump 6, the input end of the system safety valve 20 is connected with the output end of the first precision oil filter (9), and the output end of the system safety valve is connected with the oil return pipeline 4; an air-cooled radiator 21 is arranged on the oil return pipeline 4; the oil tank 1 is also provided with a temperature sensor 25, an air filter 24, a liquid level meter 23 and an oil drain switch 22;
the system further comprises a system pressure regulating valve 19, a solenoid valve DT11, a solenoid valve DT12, a pressurization unit, an ultrahigh pressure safety valve 18, a high pressure gauge 16, a second precision oil filter 17, a first pressure gauge 12, a second pressure gauge 13 and an equipment box 26;
the output pipeline 7 is divided into two pipelines at the output end of the first precision oil filter 9, namely a first pipeline 71 and a second pipeline 72; one end of the system pressure regulating valve 19 is connected to the connection point of the first pipeline 71 and the second pipeline 72, and the other end is connected with the oil return pipeline 4;
the regulating gear of the system pressure regulating valve 19 in this embodiment is divided into five, which are respectively 100Mpa, 150Mpa, 200Mpa, 250Mpa and 300 Mpa. But not limited to this grading method, as it is actually required;
the solenoid valve DT11 is provided on the first pipe 71; the solenoid valve DT12 and the pressure increasing unit are provided on the second pipe 72 in the output direction of the hydraulic oil; solenoid valve DT11 and solenoid valve DT12 form an electrical interlock; the supercharging unit comprises a supercharger 15 and a three-position four-way electromagnetic reversing valve 14; an oil inlet P of the three-position four-way electromagnetic directional valve 14 is connected with an output end of an electromagnetic valve DT12, an oil return port T is connected with an oil return pipeline 4, and a working port A and a working port B are both connected with an input end of a supercharger 15.
One end of the ultrahigh pressure safety valve 18 is connected with the output end of the electromagnetic valve DT12, and the other end is connected with the oil tank 1 through the air cooling radiator 21. One end of the ultrahigh pressure safety valve 18 is connected with the output end of the electromagnetic valve DT12, and the other end is connected with the oil return pipeline 4. The high-pressure gauge 16 is connected with the output end of the supercharger 15; the second precise oil filter 17 is connected between the connecting point of the ultrahigh pressure safety valve 18 and the electromagnetic valve DT12 and the oil inlet P of the three-position four-way electromagnetic directional valve 14. A first pressure gauge 12 is located on the first conduit 71 and at the output of solenoid valve DT 11. The second pressure gauge 13 is disposed between the second precision oil filter 17 and the solenoid valve DT 12.
As shown in fig. 3, all the parts of the present embodiment are placed in the equipment box 26, and the bottom of the equipment box 26 is provided with four casters 265;
the equipment box 26 is divided into four parts, namely a display operation part 261, a test box 262, an electric control box 263 and a mechanical box 264; the display operation part 261 is positioned at the upper left part of the equipment box 26, and the first pressure gauge 12, the second pressure gauge 13 and the high-pressure gauge 16 are embedded in the display operation part; the test chamber 262 is located at the upper right portion of the equipment chamber 26 for placing a test element; the electric control box 263 is positioned at the lower left part of the equipment box 26 and used for supplying power; the machine box 264 is positioned at the right lower part of the equipment box 26 and is used for placing an oil tank 1, an oil filter 2, a motor 5, an oil pump 6, a pipeline 7, a one-way valve 8, a first precision oil filter 9, a system pressure regulating valve 19, a system safety valve 20, an air-cooled radiator 21, a temperature sensor 25, an air filter 24, a liquid level meter 23, an oil drainage switch 22, an electromagnetic valve DT11, an electromagnetic valve DT12 and a pressurizing unit.
Claims (9)
1. An ultrahigh pressure hydraulic test device comprises an oil tank (1), an output pipeline (7), an oil return pipeline (4) and a system safety valve (20); the output pipeline (7) and the oil return pipeline (4) are both connected with the oil tank (1); the oil filter (2), the ball valve (3), the oil pump (6), the one-way valve (8) and the first precision oil filter (9) are sequentially arranged on the output pipeline (7) along the output direction of the output pipeline, the motor (5) is arranged on the oil pump (6), the input end of the system safety valve (20) is connected with the output end of the first precision oil filter (9), and the output end of the system safety valve (20) is connected with the oil return pipeline (4); an air-cooled radiator (21) is arranged on the oil return pipeline (4); the oil tank (1) is also provided with a temperature sensor (25), an air filter (24), a liquid level meter (23) and an oil drainage switch (22);
the method is characterized in that: the system further comprises a system pressure regulating valve (19), an electromagnetic valve DT11, an electromagnetic valve DT12 and a pressurization unit;
the output pipeline (7) is divided into two pipelines at the output end of the first precision oil filter (9), and the two pipelines are respectively a first pipeline (71) and a second pipeline (72);
one end of the system pressure regulating valve (19) is connected to the connecting point of the first pipeline (71) and the second pipeline (72), and the other end of the system pressure regulating valve is connected with the oil return pipeline (4);
the solenoid valve DT11 is arranged on the first pipeline (71);
the electromagnetic valve DT12 and the pressurization unit are arranged on the second pipeline (72) along the output direction of the hydraulic oil;
the solenoid valve DT11 and the solenoid valve DT12 form an electric interlock;
the supercharging unit comprises a supercharger (15) and a three-position four-way electromagnetic reversing valve (14);
an oil inlet P of the three-position four-way electromagnetic directional valve (14) is connected with an output end of an electromagnetic valve DT12, an oil return port T is connected with an oil return pipeline (4), and a working port A and a working port B are both connected with an input end of a supercharger (15).
2. The ultrahigh-pressure hydraulic test device according to claim 1, characterized in that: the device also comprises an ultrahigh pressure safety valve (18); one end of the ultrahigh pressure safety valve (18) is connected with the output end of the solenoid valve DT12, and the other end of the ultrahigh pressure safety valve is connected with the oil return pipeline (4).
3. The ultrahigh-pressure hydraulic test device according to claim 2, wherein: the device also comprises a high-pressure gauge (16); and the high-pressure gauge (16) is connected with the output end of the supercharger (15).
4. The ultrahigh-pressure hydraulic test device according to claim 3, characterized in that: the oil filter is characterized by further comprising a second precise oil filter (17), wherein the second precise oil filter (17) is connected between the connecting point of the ultrahigh pressure safety valve (18) and the electromagnetic valve DT12 and the oil inlet P of the three-position four-way electromagnetic directional valve (14).
5. The ultrahigh-pressure hydraulic test device according to claim 4, wherein:
a first pressure gauge (12);
the first pressure gauge (12) is located on the first pipe (71) and at the output end of the solenoid valve DT 11.
6. The ultrahigh-pressure hydraulic test device according to claim 5, wherein: the system further comprises a second pressure gauge (13), wherein the second pressure gauge (13) is arranged at the connecting point of the ultrahigh pressure safety valve (18) and the electromagnetic valve DT 12.
7. The ultrahigh-pressure hydraulic test device according to claim 6, wherein: the system pressure regulating valve (19) has five regulating gears of 100Mpa, 150Mpa, 200Mpa, 250Mpa and 300 Mpa.
8. The ultrahigh-pressure hydraulic test device according to claim 7, characterized in that: the setting of the ultrahigh pressure safety valve (18) is 1MPa greater than the input pressure of the supercharger (15).
9. The ultrahigh-pressure hydraulic test device according to claim 8, wherein: the device also comprises an equipment box (26), wherein four trundles (265) are arranged at the bottom of the equipment box (26);
the equipment box (26) is divided into four parts, namely a display operation part (261), a test box (262), an electric control box (263) and a mechanical box (264);
the display operation part (261) is positioned at the upper left part of the equipment box (26), and the first pressure gauge (12), the second pressure gauge (13) and the high-pressure gauge (16) are embedded in the display operation part;
the test box (262) is positioned at the upper right part of the equipment box (26) and is used for placing test elements;
the electric control box (263) is positioned at the lower left part of the equipment box (26) and is used for supplying power;
the mechanical box (264) is positioned at the right lower part of the equipment box (26) and used for placing an oil tank (1), an oil filter (2), an oil return pipeline (4), a motor (5), an oil pump (6), an output pipeline (7), a one-way valve (8), a first precision oil filter (9), a system pressure regulating valve (19), a system safety valve (20), an air cooling radiator (21), a temperature sensor (25), an air filter (24), a liquid level meter (23), an oil drainage switch (22), an electromagnetic valve DT11, an electromagnetic valve DT12 and a pressurizing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921766922.8U CN210829938U (en) | 2019-10-21 | 2019-10-21 | Ultrahigh pressure hydraulic test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921766922.8U CN210829938U (en) | 2019-10-21 | 2019-10-21 | Ultrahigh pressure hydraulic test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210829938U true CN210829938U (en) | 2020-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921766922.8U Expired - Fee Related CN210829938U (en) | 2019-10-21 | 2019-10-21 | Ultrahigh pressure hydraulic test device |
Country Status (1)
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| CN (1) | CN210829938U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112763338A (en) * | 2021-02-05 | 2021-05-07 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | High-pressure hydraulic multipurpose test device |
| CN114060355A (en) * | 2021-11-19 | 2022-02-18 | 广东精铟海洋工程股份有限公司 | Hydraulic test system and test method |
-
2019
- 2019-10-21 CN CN201921766922.8U patent/CN210829938U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112763338A (en) * | 2021-02-05 | 2021-05-07 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | High-pressure hydraulic multipurpose test device |
| CN114060355A (en) * | 2021-11-19 | 2022-02-18 | 广东精铟海洋工程股份有限公司 | Hydraulic test system and test method |
| CN114060355B (en) * | 2021-11-19 | 2023-05-30 | 广东精铟海洋工程股份有限公司 | Hydraulic test system and test method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200623 |