CN212513593U - Four-channel testing device of pilot operated safety valve - Google Patents
Four-channel testing device of pilot operated safety valve Download PDFInfo
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- CN212513593U CN212513593U CN202021050614.8U CN202021050614U CN212513593U CN 212513593 U CN212513593 U CN 212513593U CN 202021050614 U CN202021050614 U CN 202021050614U CN 212513593 U CN212513593 U CN 212513593U
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Abstract
The utility model relates to a four-channel testing arrangement of guide's formula relief valve belongs to valve test technical field. The utility model discloses a stroke and the medium pressure of accurate synchronous measurement pilot valve of purpose and main relief valve. The four-channel data acquisition processor is electrically connected with the displacement sensor through the data line, and the four-channel data acquisition processor is electrically connected with the pressure sensor through the data line. A pressure testing hole and a testing screw hole are respectively formed in a main valve body, a main valve cover, a guide valve body and a valve cap of the pilot operated safety valve, and a pressure sensor and a displacement sensor are respectively installed at the pressure testing hole and the testing screw hole, so that synchronous and accurate measurement and data processing of medium pressure and valve stroke are realized, a data curve of pressure and stroke is accurately drawn, and support is provided for safety valve research.
Description
Technical Field
The utility model relates to a four-channel testing arrangement of guide's formula relief valve belongs to valve test technical field.
Background
The pilot operated safety valve required in the fields of electric power, petrochemical industry and the like consists of a main safety valve and a pilot valve. The valve stroke is an important index in the process of tripping and closing the safety valve, and under the thermal state working condition that steam is a medium, the prior art cannot accurately and synchronously measure the strokes and the medium pressures of the pilot valve and the main safety valve.
In view of the above technical problems, it is desirable to provide a four-channel testing apparatus for a pilot operated safety valve to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a stroke and the medium pressure of accurate synchronous measurement pilot valve of purpose and main relief valve. A brief summary of the present invention is provided below in order to provide a basic understanding of some aspects of the present invention. It should be understood that this summary is not an exhaustive overview of the invention. It is not intended to identify key or critical elements of the invention or to delineate the scope of the invention.
The technical scheme of the utility model:
a four-channel testing device of a pilot operated safety valve comprises a four-channel data acquisition processor, a pressure sensor, a displacement sensor and a data line, wherein the four-channel data acquisition processor is electrically connected with the displacement sensor through the data line;
the safety valve also comprises a pilot operated safety valve, wherein the pilot operated safety valve comprises a main valve body, a main valve clack, a main valve cover and a pilot valve, the main valve clack is arranged in the main valve body, the main valve body is connected with the main valve clack in a sliding way, the main valve cover is fixedly arranged at the upper part of the main valve body, and the pilot valve is fixedly arranged at the upper part of the main valve cover;
the pilot valve comprises a primary valve rod, a valve cap, a pilot valve body and a secondary valve rod, wherein the primary valve rod and the secondary valve rod are respectively arranged inside the pilot valve body, the primary valve rod and the secondary valve rod are respectively in sliding connection with the pilot valve body, and the valve cap is fixedly arranged at the top of the pilot valve body.
Preferably: still include the condenser pipe, main valve body entrance sets up the pressure test hole, and the fixed condenser pipe that is provided with in pressure test hole sets up test screw A, test screw B and test screw C on main valve gap, the valve body of leading and the valve cap respectively.
Preferably: the displacement sensor comprises a displacement sensor A, a displacement sensor B, a data line C and a data line D;
the data lines comprise a data line A, a data line B and a data line C;
the four-channel data acquisition processor is electrically connected with the displacement sensor A through a data line A, the four-channel data acquisition processor is electrically connected with the displacement sensor B through a data line B, the four-channel data acquisition processor is electrically connected with the displacement sensor C through a data line C, and the four-channel data acquisition processor is electrically connected with the pressure sensor through a data line D.
Preferably: the displacement sensor A is in signal connection with the main valve clack through a testing screw hole A, the displacement sensor B is in signal connection with the primary valve rod through a testing screw hole B, the displacement sensor C is in signal connection with the secondary valve rod through a testing screw hole C, and the pressure testing hole is in signal connection with the pressure sensor through a condensing tube.
Preferably: still include plug screw A, plug screw B and plug screw C, test screw A can dismantle with plug screw A and be connected, and test screw C can dismantle with plug screw B and be connected, and the pressure test hole can be dismantled with plug screw C and be connected.
The utility model discloses following beneficial effect has:
a pressure testing hole and a testing screw hole are respectively formed in a main valve body, a main valve cover, a guide valve body and a valve cap of the pilot operated safety valve, and a pressure sensor and a displacement sensor are respectively installed at the pressure testing hole and the testing screw hole, so that synchronous and accurate measurement and data processing of medium pressure and valve stroke are realized, a data curve of pressure and stroke is accurately drawn, and support is provided for safety valve research.
Drawings
FIG. 1 is a schematic structural diagram of a pilot operated safety valve and a four-channel testing device thereof;
FIG. 2 is a schematic structural view of a pilot valve body;
FIG. 3 is a schematic structural view of the main valve cover;
FIG. 4 is a schematic structural view of a bonnet;
FIG. 5 is a schematic structural view of the main valve body;
in the figure, 1-main valve body, 2-main valve flap, 3-test screw hole A, 4-main valve cover, 5-displacement sensor A, 6-pilot valve, 7-primary valve rod, 8-valve cap, 9-test screw hole B, 10-displacement sensor B, 11-guide valve body, 12-displacement sensor C, 13-test screw hole C, 14-data line C, 15-data line B, 16-data line A, 17-four-channel data acquisition processor, 18-secondary valve rod, 19-plug A, 20-plug B, 21-pressure sensor, 22-condenser pipe, 23-data line D, 24-pressure test hole and 25-plug C.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described below with reference to specific embodiments shown in the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The utility model discloses the connection that mentions divide into fixed connection and can dismantle the connection, fixed connection (for being undetachable connection) includes but not limited to conventional fixed connection modes such as hem connection, rivet connection, adhesive connection and welded connection, can dismantle the connection including but not limited to conventional dismantlement modes such as threaded connection, buckle connection, pin joint and hinged joint, when not clearly prescribing a limit to concrete connection mode, defaulting always can find at least one kind of connected mode in current connected mode and can realize this function, and the technical staff in the art can select by oneself as required. For example: the fixed connection selects welding connection, and the detachable connection selects threaded connection.
The first embodiment is as follows: the four-channel test device for the pilot operated safety valve according to the present embodiment is described with reference to fig. 1 to 5, and includes a four-channel data acquisition processor 17, a pressure sensor 21, a displacement sensor, and a data line, where the four-channel data acquisition processor 17 is electrically connected to the displacement sensor through the data line, and the four-channel data acquisition processor 17 is electrically connected to the pressure sensor 21 through the data line.
The second embodiment is as follows: the present embodiment is described with reference to fig. 1 to 5, and the four-channel testing apparatus of a pilot operated safety valve of the present embodiment further includes a pilot operated safety valve, where the pilot operated safety valve includes a main valve body 1, a main valve flap 2, a main valve cover 4 and a pilot valve 6, the main valve flap 2 is disposed inside the main valve body 1, the main valve body 1 is slidably connected to the main valve flap 2, the main valve cover 4 is fixedly disposed on the upper portion of the main valve body 1, and the pilot valve 6 is fixedly disposed on the upper portion of the main valve cover 4;
the pilot valve 6 comprises a primary valve rod 7, a valve cap 8, a pilot valve body 11 and a secondary valve rod 18, wherein the primary valve rod 7 and the secondary valve rod 18 are respectively arranged inside the pilot valve body 11, the primary valve rod 7 and the secondary valve rod 18 are respectively connected with the pilot valve body 11 in a sliding mode, the valve cap 8 is fixedly arranged at the top of the pilot valve body 11, in the opening and closing process of the pilot safety valve, a four-channel data acquisition processor 17 synchronously receives valve inlet medium pressure measured by a displacement sensor and a pressure sensor and stroke data of a main valve flap 2 and the pilot valve 6 in real time, and after the data are processed by the four-channel data acquisition processor 17, a relation curve of the pressure and the stroke is drawn.
The third concrete implementation mode: the four-channel testing device for the pilot operated safety valve of the present embodiment is described with reference to fig. 1 to 5, and further includes a condenser tube 22, a pressure testing hole 24 is provided at an inlet of the main valve body 1, the condenser tube 22 is fixedly provided in the pressure testing hole 24, and a testing screw hole a3, a testing screw hole B9 and a testing screw hole C13 are respectively provided on the main valve cover 4, the pilot valve body 11 and the bonnet 8.
The fourth concrete implementation mode: the four-channel test device for the pilot operated safety valve according to the present embodiment is described with reference to fig. 1, and the displacement sensor of the present embodiment includes a displacement sensor a5, a displacement sensor B10, and a displacement sensor C12;
the data lines include data line A16, data line B15, data line C14, and data line D23;
the four-channel data acquisition processor 17 is electrically connected with the displacement sensor a5 through a data line a16, the four-channel data acquisition processor 17 is electrically connected with the displacement sensor B10 through a data line B15, the four-channel data acquisition processor 17 is electrically connected with the displacement sensor C12 through a data line C14, and the four-channel data acquisition processor 17 is electrically connected with the pressure sensor 21 through a data line D23.
The fifth concrete implementation mode: the four-channel testing device of the pilot operated safety valve of the present embodiment is described with reference to fig. 1 to 5, wherein the displacement sensor a5 is in signal connection with the main valve flap 2 through a testing screw hole A3, the displacement sensor B10 is in signal connection with the primary valve rod 7 through a testing screw hole B9, the displacement sensor C12 is in signal connection with the secondary valve rod 18 through a testing screw hole C13, and the pressure testing hole 24 is in signal connection with the pressure sensor 21 through the condensation pipe 22;
when data measurement is carried out, the pilot type safety valve is opened, the strokes of the main valve flap 2 and the pilot valve 6 are measured in real time, and the displacement sensor A5, the displacement sensor B10 and the displacement sensor C12 transmit the measured stroke data to the four-channel data acquisition processor 17 through a data line A16, a data line B15 and a data line C14 respectively; the pressure sensor 21 transmits the measured pressure data to the four-channel data acquisition processor 17 through a data line D23.
The sixth specific implementation mode: the four-channel testing device of the pilot operated safety valve of the present embodiment is described with reference to fig. 2, fig. 3, and fig. 5, and further includes a plug screw a19, a plug screw B20, and a plug screw C25, where the testing screw A3 is detachably connected to the plug screw a19, the testing screw C13 is detachably connected to the plug screw B20, the pressure testing hole 24 is detachably connected to the plug screw C25, and when the pilot operated safety valve is in normal operation, the displacement sensor is removed, and the plug screw a19, the plug screw B20, and the plug screw C25 are installed, so as to effectively prevent medium leakage and ensure safe operation of the pilot operated safety valve.
It should be noted that, in the above embodiments, as long as the technical solutions can be aligned and combined without contradiction, those skilled in the art can exhaust all possibilities according to the mathematical knowledge of the alignment and combination, and therefore the present invention does not describe the technical solutions after alignment and combination one by one, but it should be understood that the technical solutions after alignment and combination have been disclosed by the present invention.
This embodiment is only illustrative of the patent and does not limit the scope of protection thereof, and those skilled in the art can make modifications to its part without departing from the spirit of the patent.
Claims (5)
1. A four-channel testing device of a pilot operated safety valve is characterized in that: the device comprises a four-channel data acquisition processor (17), a pressure sensor (21), a displacement sensor and a data line, wherein the four-channel data acquisition processor (17) is electrically connected with the displacement sensor through the data line, and the four-channel data acquisition processor (17) is electrically connected with the pressure sensor (21) through the data line;
the safety valve further comprises a pilot-operated safety valve, the pilot-operated safety valve comprises a main valve body (1), a main valve flap (2), a main valve cover (4) and a pilot valve (6), the main valve flap (2) is arranged inside the main valve body (1), the main valve body (1) is in sliding connection with the main valve flap (2), the main valve cover (4) is fixedly arranged on the upper portion of the main valve body (1), and the pilot valve (6) is fixedly arranged on the upper portion of the main valve cover (4);
the pilot valve (6) comprises a primary valve rod (7), a valve cap (8), a pilot valve body (11) and a secondary valve rod (18), the primary valve rod (7) and the secondary valve rod (18) are respectively arranged inside the pilot valve body (11), the primary valve rod (7) and the secondary valve rod (18) are respectively in sliding connection with the pilot valve body (11), and the valve cap (8) is fixedly arranged at the top of the pilot valve body (11).
2. The four-channel test device for the pilot operated safety valve according to claim 1, wherein: still include condenser pipe (22), main valve body (1) entrance sets up pressure test hole (24), and pressure test hole (24) are fixed and are provided with condenser pipe (22), set up test screw A (3), test screw B (9) and test screw C (13) on main valve lid (4), the valve body (11) of leading and valve cap (8) respectively.
3. The four-channel test device for the pilot operated safety valve according to claim 1, wherein: the displacement sensor comprises a displacement sensor A (5), a displacement sensor B (10) and a displacement sensor C (12);
the data lines include a data line A (16), a data line B (15), a data line C (14), and a data line D (23);
the four-channel data acquisition processor (17) is electrically connected with the displacement sensor A (5) through a data line A (16), the four-channel data acquisition processor (17) is electrically connected with the displacement sensor B (10) through a data line B (15), the four-channel data acquisition processor (17) is electrically connected with the displacement sensor C (12) through a data line C (14), and the four-channel data acquisition processor (17) is electrically connected with the pressure sensor (21) through a data line D (23).
4. The four-channel test device for the pilot operated safety valve according to claim 3, wherein: displacement sensor A (5) are through testing screw A (3) and main valve lamella (2) signal connection, and displacement sensor B (10) are through testing screw B (9) and primary valve rod (7) signal connection, and displacement sensor C (12) are through testing screw C (13) and secondary valve rod (18) signal connection, and pressure test hole (24) are through condenser pipe (22) and pressure sensor (21) signal connection.
5. The four-channel test device for the pilot operated safety valve according to claim 2, wherein: still include plug screw A (19), plug screw B (20) and plug screw C (25), test screw A (3) can be dismantled with plug screw A (19) and be connected, and test screw C (13) can be dismantled with plug screw B (20) and be connected, and pressure test hole (24) can be dismantled with plug screw C (25) and be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021050614.8U CN212513593U (en) | 2020-06-09 | 2020-06-09 | Four-channel testing device of pilot operated safety valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021050614.8U CN212513593U (en) | 2020-06-09 | 2020-06-09 | Four-channel testing device of pilot operated safety valve |
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| CN212513593U true CN212513593U (en) | 2021-02-09 |
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| CN202021050614.8U Active CN212513593U (en) | 2020-06-09 | 2020-06-09 | Four-channel testing device of pilot operated safety valve |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113945376A (en) * | 2021-10-28 | 2022-01-18 | 大连理工大学 | Device and method for testing dynamic performance of pilot-operated steam release isolation valve for nuclear power |
| CN117347041A (en) * | 2023-12-04 | 2024-01-05 | 济宁落陵春辉机械制造有限公司 | Pilot valve four-channel testing device for gas-liquid pressurization |
-
2020
- 2020-06-09 CN CN202021050614.8U patent/CN212513593U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113945376A (en) * | 2021-10-28 | 2022-01-18 | 大连理工大学 | Device and method for testing dynamic performance of pilot-operated steam release isolation valve for nuclear power |
| CN113945376B (en) * | 2021-10-28 | 2022-06-28 | 大连理工大学 | Device and method for testing dynamic performance of pilot-operated steam release isolation valve for nuclear power |
| CN117347041A (en) * | 2023-12-04 | 2024-01-05 | 济宁落陵春辉机械制造有限公司 | Pilot valve four-channel testing device for gas-liquid pressurization |
| CN117347041B (en) * | 2023-12-04 | 2024-02-02 | 济宁落陵春辉机械制造有限公司 | Pilot valve four-channel testing device for gas-liquid pressurization |
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