CN110925518B - Use method of quick wedge type leakage-stopping booster - Google Patents
Use method of quick wedge type leakage-stopping booster Download PDFInfo
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- CN110925518B CN110925518B CN201911280609.8A CN201911280609A CN110925518B CN 110925518 B CN110925518 B CN 110925518B CN 201911280609 A CN201911280609 A CN 201911280609A CN 110925518 B CN110925518 B CN 110925518B
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- stopping
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- 238000000034 method Methods 0.000 title claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/168—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
Abstract
The invention discloses a quick wedge type leakage-stopping booster device, which comprises a bow back, a propelling mechanism and a wedge type leakage-stopping mechanism; the propelling mechanism comprises a front cylinder, a rear cylinder, a bearing, a round nut, a round screw rod and an arc plate; the wedge type leakage stopping mechanism comprises a leakage stopping wedge, an elastic sleeve, an inner nut and an outer nut, wherein the leakage stopping wedge is sequentially divided into a conical body, a cylinder, an inverted circular truncated cone body and a screw body from front to back. The wedge type leakage-stopping mechanism can be quickly installed when the pressure is high, so that the damage to a human body caused by leaked media is avoided; the structure is simple, and the operation is labor-saving; the manufacturing cost is low.
Description
Technical Field
The invention relates to the field of pressure pipe network maintenance, in particular to a use method of a quick wedge type leakage-stopping power assisting device.
Background
In the long-term use process of the pressure pipe network, leakage can be inevitably generated, and a wedge type leakage stopping mechanism is generally adopted to seal leakage points. However, when the plugging is under the condition of high pressure, the plugging is unlikely to be installed, and the leaked medium can cause damage to human bodies.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a use method of a quick wedge type leakage-stopping booster device
The technical proposal is as follows: comprises a bow back, a propelling mechanism and a wedge type leakage stopping mechanism; the propelling mechanism comprises a front cylinder, a rear cylinder, a bearing, a round nut, a round screw rod and an arc plate, wherein the outer ring of the bearing is welded on the inner wall of the rear end of the front cylinder, the outer wall of the front end of the rear cylinder is welded on the inner ring of the bearing, the inner wall of the front end of the rear cylinder is welded on the outer wall of the round nut, limit guide protrusions are uniformly arranged at the bottom of the inner wall of the front cylinder in front of the round nut, grooves which are axially communicated and matched with the limit guide protrusions are uniformly arranged below the radial middle part of the round screw rod, the front end of the round screw rod is welded with the arc plate matched with the periphery of a leakage pipeline, the rear end of the round screw rod penetrates through the round nut, and outer wires of the round screw rod are meshed with inner wires of the round nut; the wedge type leakage stopping mechanism comprises a leakage stopping wedge, an elastic sleeve, an inner nut and an outer nut, wherein the leakage stopping wedge is sequentially divided into a conical body, a cylinder, an inverted circular truncated cone body and a screw body from front to back, the elastic sleeve is a hollow circular truncated cone body, and the elastic sleeve can continuously move along the inverted circular truncated cone body to the cylinder to be spread after being sleeved on the screw body; one end of the bow back is provided with a round hole which can be penetrated by the screw body, and the inner nut and the outer nut are sleeved on the screw body and are respectively arranged at the inner side and the outer side of the round hole.
The above technical scheme can be further optimized as:
a handle is arranged between the bow back and the front cylinder.
The rear end of the rear cylinder is provided with a rocking handle.
A gasket is arranged between the elastic sleeve and the inner nut.
The elastic sleeve is made of rubber.
Compared with the prior art, the invention has the following beneficial technical effects:
1. the wedge type leakage stopping mechanism can be installed rapidly when the pressure is high, and the damage to a human body caused by leakage medium is avoided.
2. Simple structure and labor-saving operation.
3. The manufacturing cost is low.
Drawings
FIG. 1 is a schematic view of a structural layout of the present invention in longitudinal section;
in the figure: the novel hydraulic pressure type hydraulic pressure test device comprises a 1-bow back, a 2-handle, a 3-front cylinder, a 4-bearing, a 5-round nut, a 6-rear cylinder, a 7-round screw rod, an 8-rocking handle, a 9-groove, a 10-limit guide protrusion, an 11-arc plate, a 12-leakage pipeline, a 13-cone, a 14-cylinder, a 15-inverted round table, a 16-elastic sleeve, a 17-gasket, a 18-inner nut, a 19-round hole, a 20-outer nut, a 21-screw rod body and a 22-leakage point.
Detailed Description
The present invention will be described in detail with reference to the following examples and drawings.
Example 1
See fig. 1. The quick wedge type leakage-stopping booster includes bow back 1, pushing mechanism and wedge type leakage-stopping mechanism. The propelling mechanism comprises a front cylinder 3, a rear cylinder 6, a bearing 4, a round nut 5, a round screw rod 7 and an arc plate 11, wherein the outer ring of the bearing 4 is welded on the inner wall of the rear end of the front cylinder 3, the outer wall of the front end of the rear cylinder 6 is welded on the inner ring of the bearing 4, the inner wall of the front end of the rear cylinder is welded on the outer wall of the round nut 5, limit guide protrusions 10 are uniformly arranged on the bottom of the inner wall of the front cylinder 3 in front of the position of the round nut 5, grooves 9 which are axially communicated and matched with the limit guide protrusions 10 are uniformly arranged below the radial middle part of the round screw rod 7, the arc plate 11 matched with the outer periphery of a leakage pipeline 12 is welded at the front end of the round screw rod 7, the rear end of the round screw rod 7 penetrates through the round nut 5, and the outer wire of the round screw rod 7 is meshed with the inner wire of the round nut 5. The wedge type leakage stopping mechanism comprises a leakage stopping wedge, an elastic sleeve 16, an inner nut 18 and an outer nut 20, wherein the leakage stopping wedge is sequentially divided into a conical body 13, a cylinder 14, an inverted circular truncated cone 15 and a screw body 21 from front to back, the elastic sleeve 16 is a hollow circular truncated cone, and the elastic sleeve 16 can continuously move along the inverted circular truncated cone 15 to the cylinder 14 to be spread after being sleeved on the screw body 21. One end of the bow back 1 is provided with a round hole 19 which can be penetrated by a screw body 21, and an inner nut 18 and an outer nut 20 are sleeved on the screw body 21 and are respectively arranged at the inner side and the outer side of the round hole 19.
Example 2
See fig. 1. The quick wedge type leakage-stopping booster includes bow back 1, pushing mechanism and wedge type leakage-stopping mechanism. The propelling mechanism comprises a front cylinder 3, a rear cylinder 6, a bearing 4, a round nut 5, a round screw rod 7 and an arc plate 11, wherein the outer ring of the bearing 4 is welded on the inner wall of the rear end of the front cylinder 3, the outer wall of the front end of the rear cylinder 6 is welded on the inner ring of the bearing 4, the inner wall of the front end of the rear cylinder is welded on the outer wall of the round nut 5, limit guide protrusions 10 are uniformly arranged on the bottom of the inner wall of the front cylinder 3 in front of the position of the round nut 5, grooves 9 which are axially communicated and matched with the limit guide protrusions 10 are uniformly arranged below the radial middle part of the round screw rod 7, the arc plate 11 matched with the outer periphery of a leakage pipeline 12 is welded at the front end of the round screw rod 7, the rear end of the round screw rod 7 penetrates through the round nut 5, and the outer wire of the round screw rod 7 is meshed with the inner wire of the round nut 5. The wedge type leakage stopping mechanism comprises a leakage stopping wedge, an elastic sleeve 16, an inner nut 18 and an outer nut 20, wherein the leakage stopping wedge is sequentially divided into a conical body 13, a cylinder 14, an inverted circular truncated cone 15 and a screw body 21 from front to back, the elastic sleeve 16 is a hollow circular truncated cone, and the elastic sleeve 16 can continuously move along the inverted circular truncated cone 15 to the cylinder 14 to be spread after being sleeved on the screw body 21. One end of the bow back 1 is provided with a round hole 19 which can be penetrated by a screw body 21, and an inner nut 18 and an outer nut 20 are sleeved on the screw body 21 and are respectively arranged at the inner side and the outer side of the round hole 19. A handle 2 is arranged between the bow back 1 and the front cylinder 3 so as to be convenient for an operator to grasp by hands.
Example 3
See fig. 1. The quick wedge type leakage-stopping booster includes bow back 1, pushing mechanism and wedge type leakage-stopping mechanism. The propelling mechanism comprises a front cylinder 3, a rear cylinder 6, a bearing 4, a round nut 5, a round screw rod 7 and an arc plate 11, wherein the outer ring of the bearing 4 is welded on the inner wall of the rear end of the front cylinder 3, the outer wall of the front end of the rear cylinder 6 is welded on the inner ring of the bearing 4, the inner wall of the front end of the rear cylinder is welded on the outer wall of the round nut 5, limit guide protrusions 10 are uniformly arranged on the bottom of the inner wall of the front cylinder 3 in front of the position of the round nut 5, grooves 9 which are axially communicated and matched with the limit guide protrusions 10 are uniformly arranged below the radial middle part of the round screw rod 7, the arc plate 11 matched with the outer periphery of a leakage pipeline 12 is welded at the front end of the round screw rod 7, the rear end of the round screw rod 7 penetrates through the round nut 5, and the outer wire of the round screw rod 7 is meshed with the inner wire of the round nut 5. The wedge type leakage stopping mechanism comprises a leakage stopping wedge, an elastic sleeve 16, an inner nut 18 and an outer nut 20, wherein the leakage stopping wedge is sequentially divided into a conical body 13, a cylinder 14, an inverted circular truncated cone 15 and a screw body 21 from front to back, the elastic sleeve 16 is a hollow circular truncated cone, and the elastic sleeve 16 can continuously move along the inverted circular truncated cone 15 to the cylinder 14 to be spread after being sleeved on the screw body 21. One end of the bow back 1 is provided with a round hole 19 which can be penetrated by a screw body 21, and an inner nut 18 and an outer nut 20 are sleeved on the screw body 21 and are respectively arranged at the inner side and the outer side of the round hole 19. A handle 2 is arranged between the bow back 1 and the front cylinder 3 so as to be convenient for an operator to grasp by hands. The rear end of the rear cylinder 6 is provided with a rocking handle 8 for hand-shaking operation.
Example 4
See fig. 1. The quick wedge type leakage-stopping booster includes bow back 1, pushing mechanism and wedge type leakage-stopping mechanism. The propelling mechanism comprises a front cylinder 3, a rear cylinder 6, a bearing 4, a round nut 5, a round screw rod 7 and an arc plate 11, wherein the outer ring of the bearing 4 is welded on the inner wall of the rear end of the front cylinder 3, the outer wall of the front end of the rear cylinder 6 is welded on the inner ring of the bearing 4, the inner wall of the front end of the rear cylinder is welded on the outer wall of the round nut 5, limit guide protrusions 10 are uniformly arranged on the bottom of the inner wall of the front cylinder 3 in front of the position of the round nut 5, grooves 9 which are axially communicated and matched with the limit guide protrusions 10 are uniformly arranged below the radial middle part of the round screw rod 7, the arc plate 11 matched with the outer periphery of a leakage pipeline 12 is welded at the front end of the round screw rod 7, the rear end of the round screw rod 7 penetrates through the round nut 5, and the outer wire of the round screw rod 7 is meshed with the inner wire of the round nut 5. The wedge type leakage stopping mechanism comprises a leakage stopping wedge, an elastic sleeve 16, an inner nut 18 and an outer nut 20, wherein the leakage stopping wedge is sequentially divided into a conical body 13, a cylinder 14, an inverted circular truncated cone 15 and a screw body 21 from front to back, the elastic sleeve 16 is a hollow circular truncated cone, and the elastic sleeve 16 can continuously move along the inverted circular truncated cone 15 to the cylinder 14 to be spread after being sleeved on the screw body 21. One end of the bow back 1 is provided with a round hole 19 which can be penetrated by a screw body 21, and an inner nut 18 and an outer nut 20 are sleeved on the screw body 21 and are respectively arranged at the inner side and the outer side of the round hole 19. A handle 2 is arranged between the bow back 1 and the front cylinder 3 so as to be convenient for an operator to grasp by hands. The rear end of the rear cylinder 6 is provided with a rocking handle 8 for hand-shaking operation. A washer 17 is provided between the elastic sleeve 16 and the inner nut 18 to prevent the elastic sleeve 16 from being damaged.
Example 5
See fig. 1. The quick wedge type leakage-stopping booster includes bow back 1, pushing mechanism and wedge type leakage-stopping mechanism. The propelling mechanism comprises a front cylinder 3, a rear cylinder 6, a bearing 4, a round nut 5, a round screw rod 7 and an arc plate 11, wherein the outer ring of the bearing 4 is welded on the inner wall of the rear end of the front cylinder 3, the outer wall of the front end of the rear cylinder 6 is welded on the inner ring of the bearing 4, the inner wall of the front end of the rear cylinder is welded on the outer wall of the round nut 5, limit guide protrusions 10 are uniformly arranged on the bottom of the inner wall of the front cylinder 3 in front of the position of the round nut 5, grooves 9 which are axially communicated and matched with the limit guide protrusions 10 are uniformly arranged below the radial middle part of the round screw rod 7, the arc plate 11 matched with the outer periphery of a leakage pipeline 12 is welded at the front end of the round screw rod 7, the rear end of the round screw rod 7 penetrates through the round nut 5, and the outer wire of the round screw rod 7 is meshed with the inner wire of the round nut 5. The wedge type leakage stopping mechanism comprises a leakage stopping wedge, an elastic sleeve 16, an inner nut 18 and an outer nut 20, wherein the leakage stopping wedge is sequentially divided into a conical body 13, a cylinder 14, an inverted circular truncated cone 15 and a screw body 21 from front to back, the elastic sleeve 16 is a hollow circular truncated cone, and the elastic sleeve 16 can continuously move along the inverted circular truncated cone 15 to the cylinder 14 to be spread after being sleeved on the screw body 21. One end of the bow back 1 is provided with a round hole 19 which can be penetrated by a screw body 21, and an inner nut 18 and an outer nut 20 are sleeved on the screw body 21 and are respectively arranged at the inner side and the outer side of the round hole 19. A handle 2 is arranged between the bow back 1 and the front cylinder 3 so as to be convenient for an operator to grasp by hands. The rear end of the rear cylinder 6 is provided with a rocking handle 8 for hand-shaking operation. A washer 17 is provided between the elastic sleeve 16 and the inner nut 18 to prevent the elastic sleeve 16 from being damaged. The elastic sleeve 16 is made of rubber.
The working principle of the invention is as follows:
firstly, the device is matched and installed according to the technical scheme, then the conical body 13 of the wedge type leakage stopping mechanism is aligned with the leakage point 22 of the leakage pipeline 12, one hand grasps the bow back 1, and the other hand grasps the handle 2 to pull back forcefully, so that the leakage stopping wedge and the elastic sleeve 16 enter the leakage point; the rocking handle 8 is rotated clockwise, along with the rotation of the round nut 5, the round screw rod 7 linearly advances along the limit guide protrusion 10 by the groove 9, the arc plate 11 is pushed to be tightly attached to the leakage pipeline 12, the inner nut 18 is screwed by a wrench, and the inverted circular truncated cone 15 and the cylinder 14 enter the elastic sleeve 16 to be expanded; the outer nut 20 is removed by a wrench, the rocking handle 8 is rotated anticlockwise, the arc plate 11 is retracted away from the leakage pipeline 12, and the device is removed.
Claims (1)
1. The application method of the quick wedge type leak-stopping booster device is characterized by comprising the following steps of: the rapid wedge type leakage-stopping power assisting device comprises a bow back, a propelling mechanism and a wedge type leakage-stopping mechanism; the propelling mechanism comprises a front cylinder, a rear cylinder, a bearing, a round nut, a round screw rod and an arc plate, wherein the outer ring of the bearing is welded on the inner wall of the rear end of the front cylinder, the outer wall of the front end of the rear cylinder is welded on the inner ring of the bearing, the inner wall of the front end of the rear cylinder is welded on the outer wall of the round nut, limit guide protrusions are uniformly arranged at the bottom of the inner wall of the front cylinder in front of the round nut, grooves which are axially communicated and matched with the limit guide protrusions are uniformly arranged below the radial middle part of the round screw rod, the front end of the round screw rod is welded with the arc plate matched with the periphery of a leakage pipeline, the rear end of the round screw rod penetrates through the round nut, and outer wires of the round screw rod are meshed with inner wires of the round nut; the wedge type leakage stopping mechanism comprises a leakage stopping wedge, an elastic sleeve, an inner nut and an outer nut, wherein the leakage stopping wedge is sequentially divided into a conical body, a cylinder, an inverted circular truncated cone body and a screw body from front to back, the elastic sleeve is a hollow circular truncated cone body, and the elastic sleeve can continuously move along the inverted circular truncated cone body to the cylinder to be spread after being sleeved on the screw body; a handle is arranged between the bow back and the front cylinder; one end of the bow back is provided with a round hole which can be penetrated by the screw body, and the inner nut and the outer nut are sleeved on the screw body and are respectively arranged at the inner side and the outer side of the round hole; the rear end of the rear cylinder is provided with a rocking handle, and a gasket is arranged between the elastic sleeve and the inner nut; the elastic sleeve is made of rubber;
the application method comprises the following steps: firstly, aligning a conical body of the quick wedge type leakage stopping booster device with a leakage point of a leakage pipeline, wherein one hand grasps a bow back, and the other hand grasps a handle to pull back with force, so that a leakage stopping wedge and an elastic sleeve enter the leakage point; then the rocking handle is rotated clockwise, along with the rotation of the round nut, the round screw rod linearly advances along the limit guide bulge by the groove of the round screw rod to push the arc plate to be tightly attached to the leakage pipeline, and then the inner nut is screwed by a wrench, so that the inverted circular truncated cone body and the cylinder enter the elastic sleeve to be expanded; finally, the outer nut is removed by a wrench, the rocking handle is rotated anticlockwise, the arc-shaped plate leaves the leakage pipeline to withdraw, and the device is taken down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911280609.8A CN110925518B (en) | 2019-12-13 | 2019-12-13 | Use method of quick wedge type leakage-stopping booster |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911280609.8A CN110925518B (en) | 2019-12-13 | 2019-12-13 | Use method of quick wedge type leakage-stopping booster |
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| CN110925518A CN110925518A (en) | 2020-03-27 |
| CN110925518B true CN110925518B (en) | 2024-03-12 |
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| CN112165038B (en) * | 2020-10-16 | 2022-03-01 | 国网山东省电力公司长岛县供电公司 | General type crosslinked submarine cable semi-conductive layer opening stripping knife |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4509243A (en) * | 1982-02-08 | 1985-04-09 | Gas Research Institute | Blind side sealer apparatus and method |
| CN2087273U (en) * | 1991-04-03 | 1991-10-23 | 杨庚儒 | Quick leak-stopping device |
| CN2634246Y (en) * | 2003-07-12 | 2004-08-18 | 中国石化胜利油田有限公司胜利采油厂 | Quick live pressure blocking bow-shape fastener |
| CN201003673Y (en) * | 2006-12-15 | 2008-01-09 | 李胜芝 | Dedicated fastener for pipe elbow plugging |
| CN202176875U (en) * | 2011-08-25 | 2012-03-28 | 天津绿清管道科技发展有限公司 | Thimble leakage blocking body and pipeline rush-repair fixture for pipeline rush-repair |
| CN103267200A (en) * | 2013-05-30 | 2013-08-28 | 公安部上海消防研究所 | Fire hose on-line under-pressure quick leaking stoppage nail and quick leaking stoppage method |
| CN204573456U (en) * | 2014-09-05 | 2015-08-19 | 中国石化集团胜利石油管理局热电联供中心 | Pipeline Quick leak stoppage apparatus |
| CN105156832A (en) * | 2015-09-15 | 2015-12-16 | 南京威超汽车服务有限公司 | Kalan-type oil duct plugging device |
| CN211145764U (en) * | 2019-12-13 | 2020-07-31 | 东营市品尚石油科技有限公司 | Quick wedge type leakage-stopping power assisting device |
-
2019
- 2019-12-13 CN CN201911280609.8A patent/CN110925518B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4509243A (en) * | 1982-02-08 | 1985-04-09 | Gas Research Institute | Blind side sealer apparatus and method |
| CN2087273U (en) * | 1991-04-03 | 1991-10-23 | 杨庚儒 | Quick leak-stopping device |
| CN2634246Y (en) * | 2003-07-12 | 2004-08-18 | 中国石化胜利油田有限公司胜利采油厂 | Quick live pressure blocking bow-shape fastener |
| CN201003673Y (en) * | 2006-12-15 | 2008-01-09 | 李胜芝 | Dedicated fastener for pipe elbow plugging |
| CN202176875U (en) * | 2011-08-25 | 2012-03-28 | 天津绿清管道科技发展有限公司 | Thimble leakage blocking body and pipeline rush-repair fixture for pipeline rush-repair |
| CN103267200A (en) * | 2013-05-30 | 2013-08-28 | 公安部上海消防研究所 | Fire hose on-line under-pressure quick leaking stoppage nail and quick leaking stoppage method |
| CN204573456U (en) * | 2014-09-05 | 2015-08-19 | 中国石化集团胜利石油管理局热电联供中心 | Pipeline Quick leak stoppage apparatus |
| CN105156832A (en) * | 2015-09-15 | 2015-12-16 | 南京威超汽车服务有限公司 | Kalan-type oil duct plugging device |
| CN211145764U (en) * | 2019-12-13 | 2020-07-31 | 东营市品尚石油科技有限公司 | Quick wedge type leakage-stopping power assisting device |
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Effective date of registration: 20231018 Address after: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Applicant after: CHINA PETROLEUM & CHEMICAL Corp. Address before: No. 143 Hongwei Village, Xindian Street, Dongying District, Dongying City, Shandong Province, 257100 Applicant before: Dongying pinshang Petroleum Technology Co.,Ltd. |
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