CN110925604B - Pipeline joint pressure detection device capable of preventing leakage - Google Patents
Pipeline joint pressure detection device capable of preventing leakage Download PDFInfo
- Publication number
- CN110925604B CN110925604B CN201911269955.6A CN201911269955A CN110925604B CN 110925604 B CN110925604 B CN 110925604B CN 201911269955 A CN201911269955 A CN 201911269955A CN 110925604 B CN110925604 B CN 110925604B
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- placing plate
- groove
- plate
- baffle
- placing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
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- General Engineering & Computer Science (AREA)
- Examining Or Testing Airtightness (AREA)
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Abstract
The invention discloses a leak-proof pressure detection device for a pipeline joint, which comprises a left placing plate, a left baffle, an upper hoop, a pressure sensor, a groove and a movable block, wherein the left baffle is fixed on the front side surface and the rear side surface of the left placing plate, the upper part of the right end of the left placing plate is connected with a right baffle through a connecting shaft, the right side of the left placing plate is provided with a right placing plate, the front side surface and the rear side surface of the right placing plate are respectively provided with a right baffle, the inner side surfaces of the right baffle and the left baffle are respectively provided with a limiting groove, the upper surfaces of the right placing plate and the left placing plate are respectively provided with a sliding groove, the inner part of each sliding groove is connected with the movable block in a clamping manner, the top end of the movable block is fixedly welded with the lower hoop, the movable shaft above the lower hoop is connected with. This can prevent leaking pipeline connection department pressure measurement device is provided with and detects the upper plate, consequently can avoid the pipeline to leak when detecting pressure, reduces the waste of material.
Description
Technical Field
The invention relates to the technical field of detection, in particular to a pressure detection device for a pipeline joint capable of preventing leakage.
Background
The detection is just to detect various performances or characteristics of various articles as the name suggests to be in order to be fine to understand and protect various articles, need carry out pressure detection to pipe connection department at present, so that in time monitor pipe connection department stable condition and the pressurized condition, although pipe connection department pressure detection device on the market at present is of a great variety, still has some weak points, for example:
1. the traditional pressure detection device for the pipeline joint can only detect the pressure condition of the pipeline joint, and when the pipeline joint is detected to be separated due to large pressure, leakage prevention treatment cannot be well performed, so that the pressure detection device is single in functionality and low in practicability;
2. the common pipeline connections in the market are parallel connections and vertical connections, and the traditional pipeline connection position pressure detection device is inconvenient to carry out pressure detection on pipeline connection positions in different forms;
we have therefore proposed a leak-proof pipe joint pressure sensing apparatus which addresses the problems set out above.
Disclosure of Invention
The invention aims to provide a leak-proof pressure detection device for a pipeline joint, which is used for solving the problems that the traditional pressure detection device for the pipeline joint in the market cannot perform leak-proof work well during detection and cannot perform pressure detection work on pipeline joints in different forms.
In order to achieve the purpose, the invention provides the following technical scheme: a pressure detection device for a leakproof pipeline joint comprises a left placing plate, a left baffle, an upper hoop, a pressure sensor, a groove and a moving block, wherein the left baffle is fixed on the front side surface and the rear side surface of the left placing plate, the right baffle is connected above the right end of the left placing plate through a connecting shaft, the right placing plate is arranged on the right side of the left placing plate, the right baffle is mounted on the front side surface and the rear side surface of the right placing plate, the inner side surfaces of the right baffle and the left baffle are respectively provided with a limiting groove, the upper surfaces of the right placing plate and the left placing plate are respectively provided with a sliding groove, the moving block is clamped and connected inside the sliding grooves, the top end of the moving block is fixedly welded with the lower hoop, the upper movable shaft of the lower hoop is connected with the upper hoop, the front side and the rear side of the lower hoop are provided with limiting blocks, the outer sides of the limiting grooves are arranged outside the limiting grooves, and the inside of standing groove is provided with the detection upper plate to the connection rope is all installed to the left and right sides that detects the upper plate, the staple bolt down is installed to the outer end screw of connecting the rope, a left side is placed board left end upper surface and is placed the board right side upper surface on the right side and all seted up flutedly, and the inside bearing of recess is connected with the bracing piece to the outside key-type of bracing piece has the ball, the bottom internally mounted of standing groove has pressure sensor, and pressure sensor's top is provided with the detection upper plate, the right-hand member of placing the board on a left side has seted up logical groove inside.
Preferably, the left placing plate has the same height as the right placing plate, the right placing plate and the left placing plate form a rotating structure through a connecting shaft, and the rotating angle of the right placing plate ranges from 0 ° to 90 °.
Preferably, the length of the right baffle is greater than that of the right placing plate, the left ends of the right baffle and the right placing plate are overlooked to form a U-shaped structure, and a certain distance exists between the left end of the right placing plate and the right end of the left placing plate.
Preferably, the lower hoop is provided with 2 through connecting the rope and placing the board on the left side and placing the board on the right side and constitute sliding structure.
Preferably, the space inside the sliding chute is communicated with the space inside the placing groove, and the depth of the placing groove is greater than that of the sliding chute.
Preferably, the lower surface welding that detects the upper plate has the detection hypoplastron, and detects the lower surface right side of upper plate and the upper surface right side that detects the hypoplastron and has all seted up the mounting groove to the inside block of mounting groove is connected with the connection ball, and the bottom left and right sides that detects the hypoplastron simultaneously all places the board through reset spring and a left side and is connected.
Preferably, the main view of mounting groove is arc column structure, and the width of mounting groove is greater than the diameter of connecting the ball to there is the interval in the right-hand member of 2 mounting grooves.
Preferably, the right end of connecting the ball with be connected rope screw connection, and connect the ball and constitute sliding connection through connecting rope and mounting groove.
Preferably, the through groove and the mounting groove are on the same plane, and the space inside the through groove is communicated with the space inside the mounting groove.
Compared with the prior art, the invention has the beneficial effects that: the pressure detection device at the pipeline joint capable of preventing leakage;
(1) the pipeline connecting device is provided with a detection upper plate, when the interior of a pipeline connecting part above the detection upper plate is slightly loosened under the action of larger pressure and the detection upper plate is pressed downwards, the detection upper plate can simultaneously pull the connecting ropes on the left side and the right side when descending, so that the two connecting ropes can simultaneously drive the moving block to move towards the center direction of the detection upper plate, the moving block can conveniently drive the two groups of upper hoops and lower hoops to move towards the inner side of the pipeline at the two ends of the pipeline connecting part, the pipeline can well enter the connecting part of the two-way or three-way, the pipeline leakage can be avoided while the pressure is detected, and the material waste is reduced;
(2) install a left side and place the board with the right side, the length of placing the board on a left side is greater than the length of placing the board on the right side, and the board is placed through connecting axle and left side and is placed the board on the right side and constitute revolution mechanic, consequently at the in-process that does not influence pressure sensor work, is convenient for adjust whole pressure measurement device's shape, and the whole pressure measurement device of being convenient for from this uses the pipe connection department of different shapes, has improved whole pressure measurement's application range and practicality.
Drawings
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is a schematic main sectional view of the present invention;
FIG. 4 is a schematic main sectional view taken along line B-B of FIG. 1 according to the present invention;
FIG. 5 is a schematic top view of a lower inspection plate according to the present invention;
FIG. 6 is a schematic view of a right cross-sectional structure of the upper hoop according to the present invention;
FIG. 7 is a schematic view of a top view of the right placement plate according to the present invention.
In the figure: 1. a left placement plate; 2. a left baffle; 3. a connecting shaft; 4. a right baffle; 5. a right placement plate; 6. a limiting groove; 7. a limiting block; 8. a lower hoop; 9. an anchor ear is arranged; 10. a chute; 11. a placement groove; 12. connecting ropes; 13. detecting the upper plate; 131. detecting a lower plate; 132. mounting grooves; 133. a connecting ball; 134. a return spring; 14. a ball bearing; 15. a pressure sensor; 16. a through groove; 17. a support bar; 18. a groove; 19. moving the mass.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a leak-proof pipeline joint pressure detection device comprises a left placing plate 1, a left baffle plate 2, a connecting shaft 3, a right baffle plate 4, a right placing plate 5, a limiting groove 6, a limiting block 7, a lower hoop 8, an upper hoop 9, a chute 10, a placing groove 11, a connecting rope 12, a detection upper plate 13, a ball 14, a pressure sensor 15, a through groove 16, a supporting rod 17, a groove 18 and a moving block 19, wherein the left baffle plate 2 is fixed on the front side surface and the rear side surface of the left placing plate 1, the upper part of the right end of the left placing plate 1 is connected with the right baffle plate 4 through the connecting shaft 3, the right placing plate 5 is arranged on the right side of the left placing plate 1, the right baffle plate 4 is arranged on the front side surface and the rear side surface of the right placing plate 5, the limiting groove 6 is arranged on the inner side surfaces of the right baffle plate 4 and the left baffle plate 2, the chute 10 is arranged on the upper surfaces of the right placing plate 5, a lower anchor ear 8 is welded and fixed at the top end of the moving block 19, an upper anchor ear 9 is connected with a movable shaft above the lower anchor ear 8, limiting blocks 7 are arranged at the front side and the rear side of the lower anchor ear 8, a limiting groove 6 is arranged at the outer side of the limiting block 7, a placing groove 11 is arranged on the upper surface of the left end of the left placing plate 1, a detection upper plate 13 is arranged inside the placing groove 11, and the left and right sides of the detecting upper plate 13 are both provided with connecting ropes 12, the outer ends of the connecting ropes 12 are provided with lower hoops 8 by screws, the upper surface of the left end of the left placing plate 1 and the upper surface of the right end of the right placing plate 5 are both provided with grooves 18, and the inner bearings of the grooves 18 are connected with supporting rods 17, and the outside key of the supporting rod 17 is connected with the ball 14, the bottom of the placing groove 11 is internally provided with a pressure sensor 15, a detection upper plate 13 is arranged above the pressure sensor 15, and a through groove 16 is formed in the right end of the left placing plate 1;
the height of the left placing plate 1 is the same as that of the right placing plate 5, the right placing plate 5 and the left placing plate 1 form a rotating structure through a connecting shaft 3, and the rotating angle range of the right placing plate 5 is 0-90 degrees, so that the left placing plate 1 and the right placing plate 5 are matched with each other to place the pipeline joint;
the length of the right baffle 4 is greater than that of the right placing plate 5, the left ends of the right baffle 4 and the right placing plate 5 are in a U-shaped structure in a overlooking mode, and a certain distance exists between the left end of the right placing plate 5 and the right end of the left placing plate 1, so that the right placing plate 5 is driven to rotate together through the rotation of the right baffle 4;
the lower anchor ear 8, the left placing plate 1 and the right placing plate 5 form a sliding structure through the connecting rope 12, and 2 lower anchor ears 8 are arranged, so that the lower anchor ear 8 drives the fixed pipeline to move, and the pipeline is prevented from loosening and leaking;
the space inside the sliding chute 10 is communicated with the space inside the placing groove 11, the depth of the placing groove 11 is greater than that of the sliding chute 10, and the space inside the sliding chute 10 is communicated with the space inside the placing groove 11, so that the connecting rope 12 in the sliding chute 10 can move well;
the lower surface of the upper detection plate 13 is welded with the lower detection plate 131, the right side of the lower surface of the upper detection plate 13 and the right side of the upper surface of the lower detection plate 131 are both provided with mounting grooves 132, the inside of each mounting groove 132 is connected with a connecting ball 133 in a clamping manner, and the left side and the right side of the bottom end of the lower detection plate 131 are both connected with the left placing plate 1 through return springs 134, so that the upper detection plate 13 and the lower detection plate 131 can well mount the connecting balls 133;
the front view of the mounting grooves 132 is an arc-shaped structure, the width of the mounting grooves 132 is greater than the diameter of the connecting balls 133, and the right ends of the 2 mounting grooves 132 have a distance, so that the mounting grooves 132 mount the connecting balls 133 conveniently, and meanwhile, the right ends of the 2 mounting grooves 132 have a distance, so that the connecting ropes 12 can move conveniently;
the right end of the connecting ball 133 is in screw connection with the connecting rope 12, and the connecting ball 133 forms sliding connection with the mounting groove 132 through the connecting rope 12, so that the connecting rope 12 can well drive the connecting rope 12 to move in the mounting groove 132;
the through groove 16 is on the same plane as the mounting groove 132, and the space inside the through groove 16 communicates with the space inside the mounting groove 132, so that the connecting string 12 performs a rotational movement inside the through groove 16 to change the direction.
The working principle of the embodiment is as follows: when the leak-proof pipeline joint pressure detection device is used, firstly, as shown in figure 1, the whole device is moved into a working area, after the device reaches the working area, as shown in figures 1 and 6, the upper anchor ear 9 on the left placing plate 1 and the right placing plate 5 is respectively rotated and unfolded with the lower anchor ear 8 through the movable shaft, then the pipeline is placed on the two lower anchor ears 8, as shown in figure 3, the joint of the two pipelines is placed on the detection upper plate 13, then the upper anchor ear 9 is rotated and fixed with the lower anchor ear 8, the left end and the right end of the pipeline joint are fixed through the mutual matching of the lower anchor ear 8 and the upper anchor ear 9, then the whole pressure detection device starts to carry out detection work, when the pipeline joint is loosened due to larger pressure, the pipeline joint generates downward pressure on the detection upper plate 13, at this time, as shown in fig. 3, the pipeline joint drives the detection upper plate 13 to move downwards, the detection upper plate 13 drives the detection lower plate 131 which is welded and connected to move downwards together, the fixture blocks on the left side and the right side of the detection lower plate 131 slide downwards in the clamping grooves in the left placing plate 1, so that the movement stability of the detection lower plate 131 is ensured, when the detection lower plate 131 descends to be in contact with the pressure sensor 15, the pressure sensor 15 senses a certain pressure and transmits the signal to the audible and visual alarm on the rear side of the left placing plate 1 through the central processing module, and the audible and visual alarm gives an alarm;
meanwhile, when the detection upper plate 13 descends, the connection ropes 12 connected with the screws on the left side and the right side are pulled, so that the connection ropes 12 drive the moving block 19 connected with the screws on the outer end to move in the sliding groove 10 towards the center direction of the detection upper plate 13, so that the moving block 19 drives the lower hoop 8 with the welded top end to move, meanwhile, as shown in the attached drawings 1 and 6, the lower hoop 8 stably moves through the sliding of the limiting block 7 in the limiting groove 6, so that the lower hoop 8 drives the pipelines at two ends of the pipeline connection part to simultaneously move inwards, so that the pipelines are well contacted with the connecting end to prevent certain materials from leaking, and meanwhile, as shown in the attached drawings 1-2, the balls 14 rotate and roll in the groove 18 through the arrangement of the balls 14 and the supporting rod 17 when the pipelines are pulled, and the friction force between the pipelines and the left placing plate 1 and the right placing plate 5 can be reduced, the lower anchor ear 8 and the upper anchor ear 9 can drive the pipeline to move well, so that sealing is increased;
when using perpendicular pipe connection department, at this moment, as shown in fig. 1 and fig. 4, it is rotatory to pass through connecting axle 3 with right baffle 4, make right baffle 4 drive the right side and place board 5 and together rotate, then as shown in fig. 3 and fig. 5, connect ball 133 and slide in mounting groove 132, thereby make the connection rope 12 of connecting ball 133 outside screw connection move in logical groove 16, then as shown in fig. 7, it is vertical state to rotate right baffle 4 to be with left baffle 2, at this moment, as shown above, the same reason alright use perpendicular pipe connection department, convenient operation is swift, thereby accomplish a series of works.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a can prevent pipeline junction pressure measurement device of leakage, places board (1), left baffle (2), goes up staple bolt (9), pressure sensor (15), recess (18) and movable block (19) including a left side, its characterized in that: the front side and the back side of the left placing plate (1) are both fixed with a left baffle (2), the upper part of the right end of the left placing plate (1) is connected with a right baffle (4) through a connecting shaft (3), the right side of the left placing plate (1) is provided with a right placing plate (5), the front side and the back side of the right placing plate (5) are both provided with the right baffle (4), the inner side surfaces of the right baffle (4) and the left baffle (2) are both provided with a limiting groove (6), the upper surfaces of the right placing plate (5) and the left placing plate (1) are both provided with a sliding groove (10), the inside of the sliding groove (10) is clamped and connected with a moving block (19), the top end of the moving block (19) is fixedly welded with a lower hoop (8), the upper hoop (9) is connected with a movable shaft above the lower hoop (8), and the front side and the back side of the lower hoop (, a limiting groove (6) is arranged at the outer side of the limiting block (7), a placing groove (11) is arranged on the upper surface of the left end of the left placing plate (1), a detection upper plate (13) is arranged inside the placing groove (11), the left side and the right side of the detection upper plate (13) are both provided with connecting ropes (12), the outer end of each connecting rope (12) is provided with a lower hoop (8) by a screw, the upper surface of the left end of the left placing plate (1) and the upper surface of the right end of the right placing plate (5) are both provided with a groove (18), and the inner bearing of the groove (18) is connected with a support rod (17), the outside key of the supporting rod (17) is connected with a ball (14), the bottom of the placing groove (11) is internally provided with a pressure sensor (15), and a detection upper plate (13) is arranged above the pressure sensor (15), and a through groove (16) is formed in the right end of the left placing plate (1).
2. A leak resistant pipe joint pressure sensing apparatus as recited in claim 1, wherein: the height of the left placing plate (1) is the same as that of the right placing plate (5), the right placing plate (5) and the left placing plate (1) form a rotating structure through a connecting shaft (3), and the rotating angle range of the right placing plate (5) is 0-90 degrees.
3. A leak resistant pipe joint pressure sensing apparatus as recited in claim 1, wherein: the length of the right baffle (4) is greater than that of the right placing plate (5), the left ends of the right baffle (4) and the right placing plate (5) are overlooked to form a U-shaped structure, and a certain distance exists between the left end of the right placing plate (5) and the right end of the left placing plate (1).
4. A leak resistant pipe joint pressure sensing apparatus as recited in claim 1, wherein: the lower hoop (8) is connected with the left placing plate (1) and the right placing plate (5) through connecting ropes (12) to form a sliding structure, and the number of the lower hoop (8) is 2.
5. A leak resistant pipe joint pressure sensing apparatus as recited in claim 1, wherein: the space inside the sliding chute (10) is communicated with the space inside the placing groove (11), and the depth of the placing groove (11) is larger than that of the sliding chute (10).
6. A leak resistant pipe joint pressure sensing apparatus as recited in claim 1, wherein: detect the lower surface welding of upper plate (13) and detect hypoplastron (131), and detect the lower surface right side of upper plate (13) and detect the upper surface right side of hypoplastron (131) and all seted up mounting groove (132), and the inside block of mounting groove (132) is connected with and connects ball (133), and the bottom left and right sides that detects hypoplastron (131) simultaneously all places board (1) through reset spring (134) and a left side and is connected.
7. A leak resistant pipe joint pressure sensing apparatus as recited in claim 6, wherein: the main view of mounting groove (132) is arc column structure, and the width of mounting groove (132) is greater than the diameter of connecting ball (133) to there is the interval in the right-hand member of 2 mounting grooves (132).
8. A leak resistant pipe joint pressure sensing apparatus as recited in claim 6, wherein: the right end of the connecting ball (133) is in screw connection with the connecting rope (12), and the connecting ball (133) is in sliding connection with the mounting groove (132) through the connecting rope (12).
9. A leak resistant pipe joint pressure sensing apparatus as recited in claim 6, wherein: the through groove (16) and the mounting groove (132) are on the same plane, and the space inside the through groove (16) is communicated with the space inside the mounting groove (132).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011011937.0A CN112161200A (en) | 2019-12-11 | 2019-12-11 | Pressure detection control method for pipeline joint |
| CN201911269955.6A CN110925604B (en) | 2019-12-11 | 2019-12-11 | Pipeline joint pressure detection device capable of preventing leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911269955.6A CN110925604B (en) | 2019-12-11 | 2019-12-11 | Pipeline joint pressure detection device capable of preventing leakage |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011011937.0A Division CN112161200A (en) | 2019-12-11 | 2019-12-11 | Pressure detection control method for pipeline joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110925604A CN110925604A (en) | 2020-03-27 |
| CN110925604B true CN110925604B (en) | 2021-03-09 |
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ID=69860132
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011011937.0A Withdrawn CN112161200A (en) | 2019-12-11 | 2019-12-11 | Pressure detection control method for pipeline joint |
| CN201911269955.6A Active CN110925604B (en) | 2019-12-11 | 2019-12-11 | Pipeline joint pressure detection device capable of preventing leakage |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011011937.0A Withdrawn CN112161200A (en) | 2019-12-11 | 2019-12-11 | Pressure detection control method for pipeline joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN112161200A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0640821A2 (en) * | 1993-08-25 | 1995-03-01 | Daimler-Benz Aerospace Aktiengesellschaft | Apparatus for testing hollow bodies |
| WO2016117746A1 (en) * | 2015-01-23 | 2016-07-28 | 김종혁 | Gas leak shut-off device |
| CN105840944A (en) * | 2016-04-29 | 2016-08-10 | 合肥安科威尔环境科技有限公司 | Pipeline joint leakage protecting device |
| CN107023733A (en) * | 2017-05-02 | 2017-08-08 | 杨玉伟 | A kind of oil-gas gathering and transferring pipeline anti-leak detection and leak stopping integrated device |
| CN206522621U (en) * | 2017-02-28 | 2017-09-26 | 四川理工学院 | Pressure Pipe Leakage Detection device |
| CN108332061A (en) * | 2018-02-05 | 2018-07-27 | 张桂华 | A kind of pressure pipeline leakage emergency treatment device |
| CN208431486U (en) * | 2018-06-15 | 2019-01-25 | 江苏宝地管业有限公司 | A kind of pipeline that junction is stable |
| CN208587742U (en) * | 2018-08-21 | 2019-03-08 | 新疆维吾尔自治区特种设备检验研究院 | A kind of pressure pipeline leakage monitoring device |
| CN208982874U (en) * | 2018-08-06 | 2019-06-14 | 周耀 | A kind of escape protection device for pressure pipeline |
-
2019
- 2019-12-11 CN CN202011011937.0A patent/CN112161200A/en not_active Withdrawn
- 2019-12-11 CN CN201911269955.6A patent/CN110925604B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0640821A2 (en) * | 1993-08-25 | 1995-03-01 | Daimler-Benz Aerospace Aktiengesellschaft | Apparatus for testing hollow bodies |
| WO2016117746A1 (en) * | 2015-01-23 | 2016-07-28 | 김종혁 | Gas leak shut-off device |
| CN105840944A (en) * | 2016-04-29 | 2016-08-10 | 合肥安科威尔环境科技有限公司 | Pipeline joint leakage protecting device |
| CN206522621U (en) * | 2017-02-28 | 2017-09-26 | 四川理工学院 | Pressure Pipe Leakage Detection device |
| CN107023733A (en) * | 2017-05-02 | 2017-08-08 | 杨玉伟 | A kind of oil-gas gathering and transferring pipeline anti-leak detection and leak stopping integrated device |
| CN108332061A (en) * | 2018-02-05 | 2018-07-27 | 张桂华 | A kind of pressure pipeline leakage emergency treatment device |
| CN208431486U (en) * | 2018-06-15 | 2019-01-25 | 江苏宝地管业有限公司 | A kind of pipeline that junction is stable |
| CN208982874U (en) * | 2018-08-06 | 2019-06-14 | 周耀 | A kind of escape protection device for pressure pipeline |
| CN208587742U (en) * | 2018-08-21 | 2019-03-08 | 新疆维吾尔自治区特种设备检验研究院 | A kind of pressure pipeline leakage monitoring device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110925604A (en) | 2020-03-27 |
| CN112161200A (en) | 2021-01-01 |
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