CN113340587A - Safety valve on-line detector - Google Patents
Safety valve on-line detector Download PDFInfo
- Publication number
- CN113340587A CN113340587A CN202110691761.6A CN202110691761A CN113340587A CN 113340587 A CN113340587 A CN 113340587A CN 202110691761 A CN202110691761 A CN 202110691761A CN 113340587 A CN113340587 A CN 113340587A
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- safety valve
- cushion block
- limiting ring
- adjustable cushion
- fastening piece
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- 230000008878 coupling Effects 0.000 claims description 15
- 238000010168 coupling process Methods 0.000 claims description 15
- 238000005859 coupling reaction Methods 0.000 claims description 15
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 abstract description 6
- 230000007547 defect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/003—Machine valves
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The invention belongs to the technical field of safety valve online detection, and relates to a safety valve online detector, wherein a safety valve comprises a safety valve body and a safety valve rod, the detector comprises a height adjusting sleeve fixedly connected with the safety valve body, the height adjusting sleeve is in threaded connection with an adjustable cushion block, a connecting nut fixedly connected with the safety valve rod is arranged on the inner side of the adjustable cushion block, a plurality of vertical sliding holes are formed in the adjustable cushion block, the connecting nut is arranged in the sliding holes in a sliding mode through a first fastening piece radially fixed on the connecting nut, a limiting ring is sleeved on the adjustable cushion block above the first fastening piece, the limiting ring limits the upward moving height of the first fastening piece, and the first fastening piece and the connecting nut are driven to move downwards to forcibly close the safety valve when the limiting ring moves downwards. The safety valve on-line detector provided by the invention realizes the functions of limiting and forced closing on the serial safety valve on-line detector.
Description
Technical Field
The invention belongs to the technical field of safety valve online detection, and relates to an online safety valve detector.
Background
The safety valve on-line detector is one on-line test device for detecting, regulating and setting safety valve. The existing safety valve on-line detector can be divided into two categories according to the mechanical structure: frame type and series type, and the two major types of safety valve on-line detectors have advantages and disadvantages respectively. The frame-type safety valve on-line detector has the advantages that the frame-type safety valve on-line detector is provided with a limiting and strong closing device, can limit and strongly close a burst safety valve, and has the defects of complex structure, inconvenience in installation, small lifting force range and incapability of being suitable for safety valves with various calibers; the on-line detector for the tandem safety valves has the advantages of large lifting force, simple installation and capability of meeting the detection requirements of safety valves with various calibers, and has the defects of no limit strong closing function and no limit and emergency closing function.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the safety valve on-line detector, and the functions of limiting and closing by force are realized on the serial safety valve on-line detector.
In order to solve the above technical problems, the object of the present invention is achieved by the following technical solutions:
the safety valve online detector comprises a safety valve body and a safety valve rod, the detector comprises a height adjusting sleeve fixedly connected with the safety valve body, the height adjusting sleeve is in threaded connection with an adjustable cushion block, a connecting nut fixedly connected with the safety valve rod is arranged on the inner side of the adjustable cushion block, a plurality of vertical sliding holes are formed in the adjustable cushion block, the connecting nut is slidably arranged in the sliding holes through a first fastening piece radially fixed on the connecting nut, a limiting ring is sleeved on the adjustable cushion block above the first fastening piece, the limiting ring limits the upward moving height of the first fastening piece, and the first fastening piece and the connecting nut are driven to move downwards to forcibly close the safety valve when the limiting ring moves downwards.
In the safety valve online detector, a gap is reserved between the limiting ring and the first fastening piece, and the height of the gap is the control opening height of the safety valve.
In the above online safety valve detector, preferably, the first fastening member is a screw, an end of the first fastening member is screwed and fixed with the coupling nut, and a rod of the first fastening member is slidably disposed in the slide hole; preferably, the slide holes and the fasteners are uniformly arranged in the circumferential direction, and more preferably, the slide holes and the fasteners are arranged in three.
In the safety valve online detector, the height adjusting sleeve is provided with an internal thread, the adjustable cushion block is provided with an external thread matched with the height adjusting sleeve, and a second fastening piece for locking the adjustable cushion block is radially arranged on the height adjusting sleeve in a penetrating manner. Preferably, the second fastening piece is a screw, a radial threaded through hole is formed in the height adjusting sleeve, the second fastening piece is screwed in the threaded through hole, and the end of the screw penetrates through the threaded through hole and then is abutted against and connected with the adjustable cushion block to form a fixing structure.
In the safety valve online detector, the limiting ring is in threaded connection with the adjustable cushion block, and the adjustable cushion block above the limiting ring is fixed with a fixing ring for preventing the limiting ring from falling off. Preferably, the fixing ring and the adjustable cushion block are of an integral structure.
In the safety valve online detector, the outer wall of the limiting ring is relatively provided with a plurality of auxiliary grooves matched with auxiliary tools. The secondary recess cooperates with a secondary tool (e.g., a wrench with a protrusion) to rotate the limit ring.
In the safety valve online detector, the bottom of the height adjusting sleeve is screwed with the detachable bottom cushion block, the bottom cushion block is fixedly connected with the safety valve body, and the inner diameter of the bottom cushion block is matched with the connecting part of the safety valve body.
In the safety valve online detector, a plurality of fasteners III for locking the bottom cushion block radially penetrate through the height adjusting sleeve, and a plurality of fasteners IV for locking the safety valve body radially penetrate through the bottom cushion block. Preferably, the third fastening piece is a screw, a radial threaded through hole is formed in the height adjusting sleeve, the third fastening piece is screwed in the threaded through hole, and the end part of the screw penetrates through the threaded through hole and then is in abutting connection with the bottom cushion block to form a fixing structure; preferably, the threaded through holes and the fasteners are uniformly arranged in three circumferential directions, and more preferably, the threaded through holes and the fasteners are arranged in three directions. Preferably, the fourth fastening piece is a screw, a radial threaded through hole is formed in the bottom cushion block, the fourth fastening piece is screwed in the threaded through hole, and the end part of the screw penetrates through the threaded through hole and then is in abutting connection with the safety valve body to form a fixing structure; preferably, the thread through holes and the fasteners are uniformly arranged in the circumferential direction, and more preferably, the thread through holes and the fasteners are all arranged in three.
Compared with the prior art, the invention has the following beneficial effects:
1. the structure of the on-line detector for the safety valve in series is improved, the limiting function is realized through the matching of the first fastening piece and the limiting ring, and the strong closing function is realized through the limiting ring driving the first fastening piece and the connecting nut to move downwards, so that the blank that the on-line detector for the safety valve in series cannot limit and strongly close is filled.
2. According to the invention, the height of the adjustable cushion block can be freely changed by rotating the adjustable cushion block, so that the adjustable cushion block is adapted to valves with different valve rod heights.
3. The detachable bottom cushion block is adopted, and the valve can be adapted to valves with different radial sizes by replacing bottom cushion blocks with different specifications.
4. The invention reduces the weight of the fittings, and the detection equipment and the detected valve are connected into a whole during detection through the small-volume cushion block and the thread connection.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is an exploded view of the present invention;
reference numerals: 1. a safety valve body; 2. a safety valve stem; 3. a height adjustment sleeve; 4. an adjustable cushion block; 5. a coupling nut; 6. a slide hole; 7. a first fastener; 8. a confinement ring; 9. a second fastener; 10. a fixing ring; 11. an auxiliary groove; 12. a bottom cushion block; 13. a third fastener; 14. and a fastener IV.
Detailed Description
The invention is further described in the following with reference to specific embodiments in conjunction with the accompanying drawings, see fig. 1-3:
the safety valve online detector comprises a safety valve body 1 and a safety valve rod 2, the detector comprises a mechanical structure part and an electrical structure part, the electrical structure part is the same as that in the prior art, and is not described herein again, the mechanical structure part comprises a height adjusting sleeve 3 fixedly connected with the safety valve body 1, the height adjusting sleeve 3 is in threaded connection with an adjustable cushion block 4, a coupling nut 5 fixedly connected with the safety valve rod 2 is arranged on the inner side of the adjustable cushion block 4, a plurality of vertical sliding holes 6 are arranged on the adjustable cushion block 4, the coupling nut 5 is slidably arranged in the sliding hole 6 through a first fastening piece 7 radially fixed on the coupling nut, a limiting ring 8 is sleeved on the adjustable cushion block 4 above the first fastening piece 7, and the limiting ring 8 limits the upward moving height of the first fastening piece 7, the limiting ring 8 and the first fastening piece 7 are separated by a gap, the height of the gap is the control opening height of the safety valve, for example, the distance between the limiting ring 8 and the first fastening piece 7 is kept at 2mm, the opening height of the safety valve is also limited to 2mm, and the first fastening piece 7 and the coupling nut 5 are driven to move downwards to forcibly close the safety valve when the limiting ring 8 moves downwards.
The working principle of the invention is as follows: when the safety valve is detected, after the detected valve jumps, the valve rod 2 of the safety valve moves upwards to drive the coupling nut 5 and the first fastening piece 7 to move upwards along with the coupling nut, and when the first fastening piece 7 moves to the lower end of the limiting ring 8, the limiting ring 8 prevents the first fastening piece 7 from continuing to move upwards, so that the safety valve is prevented from being opened, and the function of controlling the opening height of the safety valve is realized; when the tested valve cannot return to the seat, the first fastening piece 7, the coupling nut 5 and the safety valve rod 2 are pressed downwards by the limiting ring 8 through downward movement of the limiting ring 8, so that the tested valve is closed, and the function of forcibly closing the safety valve is realized.
The specific connection structure of the coupling nut 5 and the adjustable cushion block 4 is as follows: the first fastening piece 7 is a screw, the end part of the first fastening piece 7 is in threaded connection and fixed with the coupling nut 5, and the rod part of the first fastening piece 7 is slidably arranged in the slide hole 6; preferably, the sliding holes 6 and the first fastening pieces 7 are circumferentially and uniformly arranged, and more preferably, the sliding holes 6 and the first fastening pieces 7 are arranged in three.
The specific connection structure of the height adjusting sleeve 3 and the adjustable cushion block 4 is as follows: the height adjusting sleeve 3 is provided with an internal thread, the adjustable cushion block 4 is provided with an external thread matched with the internal thread, and a second fastening piece 9 for locking the adjustable cushion block 4 is radially arranged on the height adjusting sleeve 3 in a penetrating mode. During operation, the adjustable cushion block 4 is rotated, the adjustable cushion block 4 can move up and down in the height adjusting sleeve 3, and when the height of the adjustable cushion block 4 is adjusted to be matched with the safety valve rod 2, the adjustable cushion block 4 is locked by the second fastening piece 9. Preferably, the second fastening piece 9 is a screw, the height adjusting sleeve 3 is provided with a radial threaded through hole, the second fastening piece 9 is screwed in the threaded through hole, and the end of the screw penetrates through the threaded through hole and then is abutted against and connected with the adjustable cushion block 4 to form a fixing structure.
The limiting ring 8 is in threaded connection with the adjustable cushion block 4, the limiting ring 8 can move up and down by rotating the limiting ring 8, before detection, the height of the limiting ring 8 is adjusted to be the same as the control opening height of the safety valve, and when the safety valve needs to be closed forcibly, the limiting ring 8 is rotated to move downwards until the safety valve is closed. And a fixing ring 10 for preventing the limiting ring 8 from falling off is fixed on the adjustable cushion block 4 above the limiting ring 8. Preferably, the fixing ring 10 and the adjustable cushion block 4 are of an integral structure.
Furthermore, a plurality of auxiliary grooves 11 matched with auxiliary tools are oppositely arranged on the outer wall of the limiting ring 8. The auxiliary recess 11 cooperates with an auxiliary tool, such as a wrench with a protrusion, for rotating the restriction ring 8. The auxiliary tool facilitates the rotation of the limit ring 8.
In order to adapt to safety valves with different radial sizes, the bottom of the height adjusting sleeve 3 is screwed with a detachable bottom cushion block 12, the bottom cushion block 12 is fixedly connected with the safety valve body 1, and the inner diameter of the bottom cushion block 12 is matched with the connecting part of the safety valve body 1.
The specific connection structure between the height adjusting sleeve 3, the bottom cushion block 12 and the safety valve body 1 is as follows: a plurality of fasteners III 13 for locking the bottom cushion block 12 are radially arranged on the height adjusting sleeve 3 in a penetrating mode, and a plurality of fasteners IV 14 for locking the safety valve body 1 are radially arranged on the bottom cushion block 12 in a penetrating mode. Preferably, the third fastening piece 13 is a screw, a radial threaded through hole is formed in the height adjusting sleeve 3, the third fastening piece 13 is screwed in the threaded through hole, and the end of the screw penetrates through the threaded through hole and then is in abutting connection with the bottom cushion block 12 to form a fixing structure; preferably, the threaded through holes and the third fastening piece 13 are circumferentially and uniformly arranged, and more preferably, the threaded through holes and the third fastening piece 13 are all arranged in three. Preferably, the fourth fastening piece 14 is a screw, a radial threaded through hole is formed in the bottom cushion block 12, the fourth fastening piece 14 is screwed in the threaded through hole, and the end of the screw penetrates through the threaded through hole and then is in abutting connection with the safety valve body 1 to form a fixing structure; preferably, the threaded through holes and the four fastening pieces 14 are circumferentially and uniformly arranged, and more preferably, the threaded through holes and the four fastening pieces 14 are all arranged in three.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (7)
1. The safety valve online detector is characterized by comprising a height adjusting sleeve (3) fixedly connected with the safety valve body (1), the height adjusting sleeve (3) is in threaded connection with an adjustable cushion block (4), a coupling nut (5) fixedly connected with the safety valve rod (2) is arranged on the inner side of the adjustable cushion block (4), a plurality of vertical sliding holes (6) are formed in the adjustable cushion block (4), the coupling nut (5) is slidably arranged in the sliding hole (6) through a first fastening piece (7) radially fixed on the coupling nut (5), a limiting ring (8) is sleeved on the adjustable cushion block (4) above the first fastening piece (7), and the limiting ring (8) limits the upward moving height of the first fastening piece (7), when the limiting ring (8) moves downwards, the first driving fastener (7) and the coupling nut (5) move downwards to forcibly close the safety valve.
2. The safety valve online tester according to claim 1, wherein a gap is left between the limiting ring (8) and the first fastening member (7), and the height of the gap is the control opening height of the safety valve.
3. The safety valve online detector according to claim 1, characterized in that the height adjusting sleeve (3) is provided with an internal thread, the adjustable cushion block (4) is provided with an external thread matched with the internal thread, and a second fastening member (9) for locking the adjustable cushion block (4) is radially arranged on the height adjusting sleeve (3) in a penetrating manner.
4. The safety valve online detector according to claim 3, characterized in that the limiting ring (8) is in threaded connection with the adjustable cushion block (4), and a fixing ring (10) for preventing the limiting ring (8) from falling off is fixed on the adjustable cushion block (4) above the limiting ring (8).
5. The safety valve online detector according to claim 4, characterized in that the outer wall of the limiting ring (8) is provided with a plurality of auxiliary grooves (11) which are matched with auxiliary tools.
6. The safety valve online detector according to claim 1, characterized in that a detachable bottom cushion block (12) is screwed to the bottom of the height adjusting sleeve (3), the bottom cushion block (12) is fixedly connected with the safety valve body (1), and the inner diameter of the bottom cushion block (12) is matched with the connecting part of the safety valve body (1).
7. The safety valve online detector according to claim 6, characterized in that a plurality of fasteners three (13) for locking the bottom block (12) are radially arranged on the height adjusting sleeve (3), and a plurality of fasteners four (14) for locking the safety valve body (1) are radially arranged on the bottom block (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110691761.6A CN113340587B (en) | 2021-06-22 | 2021-06-22 | Safety valve on-line detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110691761.6A CN113340587B (en) | 2021-06-22 | 2021-06-22 | Safety valve on-line detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113340587A true CN113340587A (en) | 2021-09-03 |
| CN113340587B CN113340587B (en) | 2023-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110691761.6A Active CN113340587B (en) | 2021-06-22 | 2021-06-22 | Safety valve on-line detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113340587B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018155068A1 (en) * | 2017-02-24 | 2018-08-30 | ジヤトコ株式会社 | Device for determining normality of electromagnetic control valve |
| CN209043591U (en) * | 2018-12-27 | 2019-06-28 | 苏州维赛克阀门检测技术有限公司 | Safety valve on-line testing lifting device |
| CN209280304U (en) * | 2019-02-16 | 2019-08-20 | 开阳质量计量检验检测中心有限责任公司 | A kind of safety valve checkout platform fixture |
| CN111076924A (en) * | 2019-12-31 | 2020-04-28 | 深圳市特种设备安全检验研究院 | Safety valve testing device and method |
| CN212964009U (en) * | 2020-10-21 | 2021-04-13 | 艾瑞科创河北特种设备检测有限公司 | Calibration device for safety valve |
| CN212964007U (en) * | 2020-10-12 | 2021-04-13 | 南阳市润唐智能科技有限公司 | Mechanical fixture of online safety valve detector |
| CN215573752U (en) * | 2021-06-22 | 2022-01-18 | 绍兴市特种设备检测院 | Safety valve detection equipment |
| CN217304360U (en) * | 2022-05-31 | 2022-08-26 | 内蒙古自治区特种设备检验研究院锡林郭勒分院 | High-tonnage safety valve on-line detector |
-
2021
- 2021-06-22 CN CN202110691761.6A patent/CN113340587B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018155068A1 (en) * | 2017-02-24 | 2018-08-30 | ジヤトコ株式会社 | Device for determining normality of electromagnetic control valve |
| CN209043591U (en) * | 2018-12-27 | 2019-06-28 | 苏州维赛克阀门检测技术有限公司 | Safety valve on-line testing lifting device |
| CN209280304U (en) * | 2019-02-16 | 2019-08-20 | 开阳质量计量检验检测中心有限责任公司 | A kind of safety valve checkout platform fixture |
| CN111076924A (en) * | 2019-12-31 | 2020-04-28 | 深圳市特种设备安全检验研究院 | Safety valve testing device and method |
| CN212964007U (en) * | 2020-10-12 | 2021-04-13 | 南阳市润唐智能科技有限公司 | Mechanical fixture of online safety valve detector |
| CN212964009U (en) * | 2020-10-21 | 2021-04-13 | 艾瑞科创河北特种设备检测有限公司 | Calibration device for safety valve |
| CN215573752U (en) * | 2021-06-22 | 2022-01-18 | 绍兴市特种设备检测院 | Safety valve detection equipment |
| CN217304360U (en) * | 2022-05-31 | 2022-08-26 | 内蒙古自治区特种设备检验研究院锡林郭勒分院 | High-tonnage safety valve on-line detector |
Non-Patent Citations (1)
| Title |
|---|
| 张诗勇: "安全阀在线校验技术测试精度分析与研究", 煤矿机械, vol. 39, no. 1, pages 68 - 70 * |
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| Publication number | Publication date |
|---|---|
| CN113340587B (en) | 2023-12-05 |
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