CN214538516U - Safety valve on-line calibrator based on acoustic emission principle - Google Patents
Safety valve on-line calibrator based on acoustic emission principle Download PDFInfo
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- CN214538516U CN214538516U CN202120030273.6U CN202120030273U CN214538516U CN 214538516 U CN214538516 U CN 214538516U CN 202120030273 U CN202120030273 U CN 202120030273U CN 214538516 U CN214538516 U CN 214538516U
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- acoustic emission
- valve
- safety valve
- emission principle
- relief valve
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Abstract
The utility model relates to an online check gauge of relief valve based on acoustic emission principle, including dismantling the supporting structure who fixes on the relief valve, the last hoist mechanism that is provided with of supporting structure, hoist mechanism can dismantle with the valve rod of relief valve and be connected, and it has the acoustic emission sensor who is used for catching valve opening signal still to have the rigid coupling on the relief valve, and acoustic emission sensor is through the external processing unit of preamplifier. The safety valve on-line calibrator based on the acoustic emission principle can accurately judge the valve opening signal, has high testing precision, is not limited by the environment, and can be suitable for various working conditions; the test operation is simple, the carrying is convenient, and the online check of the safety valve can be completed quickly.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to online check gauge of relief valve based on acoustic emission principle.
Background
At present, the opening of a valve is judged by sound in most safety valve online verification technical schemes. The mode of listening through human ears is suitable for a relatively quiet working environment, is greatly influenced by a field environment, and has limitations. And the efficiency of online checking is low, and the problem of misjudgment is easy to occur.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: in order to overcome the defects of the prior art, the safety valve online calibrator based on the acoustic emission principle is provided.
In order to achieve the above technical effect, the utility model discloses a technical scheme is: the utility model provides a relief valve on-line check gauge based on acoustic emission principle, is including dismantling the supporting structure who fixes on the relief valve, the last hoist mechanism that is provided with of supporting structure, hoist mechanism can dismantle with the valve rod of relief valve and be connected, still the rigid coupling has the acoustic emission sensor that is used for catching valve opening signal on the relief valve, the acoustic emission sensor is through the external processing unit of preamplifier.
Further, supporting structure includes manual formula anchor clamps, stand and roof, manual formula anchor clamps centre gripping is on the relief valve, the stand is vertical to be fixed in the upper end of manual formula anchor clamps, the roof slides the cover and establishes on the stand, and is fixed through the locking bolt between the two.
Furthermore, a transparent curtain is arranged between the edge of the manual clamp and the edge of the top plate.
Furthermore, both sides of the stop curtain are provided with quick connecting pieces.
Furthermore, the lifting mechanism comprises an oil cylinder arranged on the top plate and an oil pump connected with the oil cylinder, and an output shaft of the oil cylinder is detachably connected with a valve rod of the safety valve through a joint.
Furthermore, a stroke limit sleeve is connected to the output shaft of the oil cylinder in a threaded manner.
Further, the oil pump is a manual pump.
Further, the processing unit is a computer or a mobile terminal.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the valve opening signal can be accurately judged, the testing precision is high, the environment is not limited, and the valve opening signal detection device is suitable for various working conditions;
2. the test operation is simple, the carrying is convenient, and the online check of the safety valve can be completed quickly.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the embodiments, and it is obvious that the described embodiments are some embodiments, not all embodiments of the present invention.
Drawings
Fig. 1 is a schematic structural view of the safety valve online calibrator based on the acoustic emission principle of the present invention;
fig. 2 is a schematic view of the connection structure between the curtain and the quick connector of the present invention.
The reference numbers and corresponding designations in the drawings are: 1. the safety valve, 2, a support structure, 3, a lifting mechanism, 4, an acoustic emission sensor, 5, a preamplifier, 6, a processing unit, 7, a curtain, 8, a quick connecting piece, 9, a joint, 10, a travel limiting sleeve, 201, a manual clamp, 202, an upright post, 203, a top plate, 301, an oil cylinder and 302, and an oil pump.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1, the embodiment provides an online check meter of relief valve based on acoustic emission principle, including dismantling the mounting structure 2 of fixing on relief valve 1, be provided with hoist mechanism 3 on the mounting structure 2, hoist mechanism 3 can dismantle with the valve rod of relief valve 1 and be connected, and the last rigid coupling that still has of relief valve 1 is used for catching the acoustic emission sensor 4 of valve opening signal, and acoustic emission sensor 4 is through preamplifier 5 external processing unit 6.
When in use, the lifting mechanism 3 is arranged on the safety valve 1 through the support structure 2 and is connected to the valve rod of the safety valve 1, and the acoustic emission sensor 4 is also arranged on the safety valve 1 and is sequentially connected with the preamplifier 5 and the processing unit 6. The lifting mechanism 3 drives the valve rod to move upwards until the valve is opened, the acoustic emission sensor 4 can capture the audio frequency of the opened valve, the signal is amplified by the preamplifier 5 and then transmitted to the processing unit 6 to record data, and the safety valve 1 online checking test is completed.
Specifically, in this embodiment, the supporting structure 2 includes a manual clamp 201, a column 202 and a top plate 203, the manual clamp 201 is clamped on the safety valve 1, the column 202 is vertically fixed at the upper end of the manual clamp 201, the top plate 203 is slidably sleeved on the column 202, and the two are fixed by a locking bolt.
Adopt manual formula anchor clamps 201 adaptable different bore's relief valve 1 centre gripping to use, roof 203 can be followed stand 202 direction of height and adjusted to the valve rod that adapts to different length uses, its whole has advantages such as simple structure, convenient operation, compatibility are strong.
Specifically, in the present embodiment, the lifting mechanism 3 includes an oil cylinder 301 seated on the top plate 203 and an oil pump 302 connected to the oil cylinder 301, and an output shaft of the oil cylinder 301 is detachably connected to a valve rod of the safety valve 1 through a joint 9; wherein the oil pump 302 is a manual pump.
The oil cylinder 301 is used as the drive of the lifting valve rod, so that the lifting force is large and stable, and the installation and the use are convenient; the connector 9 is connected and can be suitable for valve rods with different diameters to use, and a manual pump is selected for driving, so that the valve rod is convenient to carry and free from restriction of the operating environment in use.
Further, a stroke limit sleeve 10 is connected to an output shaft of the oil cylinder 301 in a threaded manner, and can abut against the top plate 203 when the output shaft rises to the highest position, so that the maximum lifting stroke of the valve rod is limited for protection.
The processing unit 6 is a computer or a mobile terminal to process the received signals.
As shown in fig. 1 and 2, a transparent curtain 7 is provided between the edge of the manual jig 201 and the edge of the top plate 203.
The transparent check curtain 7 can avoid safety accidents caused by broken and flying-shooting of parts on one hand, and on the other hand, is beneficial to technical personnel to observe the test process in real time. Here, the curtain 7 is preferably made of a flexible transparent material.
Wherein, the both sides of check apron 7 all are provided with quick connect coupler 8 to make things convenient for check apron 7 and manual formula anchor clamps 201 and roof 203's quick installation. In this embodiment, the quick connector 8 is not limited specifically, such as a hook, a male and female buckle, a magnetic stripe, etc. can be used as the quick connector 8, depending on the actual material and structure of the manual clamp 201 and the top plate 203.
The present invention is not limited to the above specific embodiments, and for those skilled in the art, the above conception can be used without any creative work, and all the changes made fall within the protection scope of the present invention.
Claims (8)
1. The utility model provides a relief valve on-line check gauge based on acoustic emission principle, its characterized in that, is including dismantling supporting structure (2) of fixing on relief valve (1), be provided with hoist mechanism (3) on supporting structure (2), hoist mechanism (3) can be dismantled with the valve rod of relief valve (1) and be connected, still the rigid coupling has acoustic emission sensor (4) that are used for catching valve opening signal on relief valve (1), acoustic emission sensor (4) are through preamplifier (5) external processing unit (6).
2. The safety valve online calibrator based on acoustic emission principle as recited in claim 1, wherein the supporting structure (2) comprises a manual clamp (201), a column (202), and a top plate (203), the manual clamp (201) is clamped on the safety valve (1), the column (202) is vertically fixed at the upper end of the manual clamp (201), and the top plate (203) is slidably sleeved on the column (202) and fixed therebetween by a locking bolt.
3. The online tester for safety valves based on acoustic emission principle as claimed in claim 2, characterized in that a transparent curtain (7) is arranged between the edge of the manual clamp (201) and the edge of the top plate (203).
4. The safety valve online tester based on acoustic emission principle as recited in claim 3, characterized in that both sides of the curtain (7) are provided with quick connectors (8).
5. The safety valve on-line calibrator based on acoustic emission principle according to any one of claims 1 to 4, characterized in that the lifting mechanism (3) comprises a cylinder (301) seated on the top plate (203) and an oil pump (302) connected to the cylinder (301), and the output shaft of the cylinder (301) is detachably connected to the valve stem of the safety valve (1) through a joint (9).
6. The safety valve on-line calibrator based on acoustic emission principle as recited in claim 5, characterized in that a stroke limiting sleeve (10) is threadedly connected to the output shaft of said cylinder (301).
7. The acoustic emission principle based safety valve online verifier according to claim 5, characterized in that the oil pump (302) is a manual pump.
8. The safety valve online tester based on acoustic emission principle as claimed in claim 1, characterized in that the processing unit (6) is a computer or a mobile terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120030273.6U CN214538516U (en) | 2021-01-07 | 2021-01-07 | Safety valve on-line calibrator based on acoustic emission principle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120030273.6U CN214538516U (en) | 2021-01-07 | 2021-01-07 | Safety valve on-line calibrator based on acoustic emission principle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214538516U true CN214538516U (en) | 2021-10-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120030273.6U Active CN214538516U (en) | 2021-01-07 | 2021-01-07 | Safety valve on-line calibrator based on acoustic emission principle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214538516U (en) |
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2021
- 2021-01-07 CN CN202120030273.6U patent/CN214538516U/en active Active
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