CN107178676A - A kind of self-locking emergency leak resistance set of pipeline and method - Google Patents
A kind of self-locking emergency leak resistance set of pipeline and method Download PDFInfo
- Publication number
- CN107178676A CN107178676A CN201710469960.6A CN201710469960A CN107178676A CN 107178676 A CN107178676 A CN 107178676A CN 201710469960 A CN201710469960 A CN 201710469960A CN 107178676 A CN107178676 A CN 107178676A
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- hole
- shell body
- left shell
- leak
- shell
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Classifications
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- 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
- F16L55/17—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose
- F16L55/172—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose the ring, band or sleeve being tightened by a tangentially arranged threaded pin and a nut
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention provides a kind of self-locking emergency leak resistance set of pipeline and method, the device includes left shell (4) and right shell body (5)；The left shell (4) and right shell body (5) upper/lower terminal are equipped with semi-cylindrical ring, the cylindrical shell of inner hollow is formed after docking, the corresponding semi-cylindrical ring of upper/lower terminal is combined into upper and lower two full circle band of columns, the internal diameter of two full circle band of columns is adapted with pipeline external diameter, and upper and lower two full circle band of columns internal face is provided with pipeline sealing strip (6)；The side and right shell body (5) side of left shell (4) are hinged；Latter two mounting plane is closed by latch nook (11) and screw (16) fastening is reinforced.The present invention is using self-locking by the way of reinforcing locking and being combined, it can be used in the case where not influenceing system worked well, good cushioning effect is played for internal pressure rise caused by fluid seepage and leak-stopping operation simultaneously, prevent locking difficult, it is easy to operation, it is possible to reduce personnel's input during emergent leakproof.
Description
Technical field
The present invention relates to pipeline leakage field, especially a kind of self-locking emergency leak resistance set of pipeline and method.
Background technology
Liquid (gas) presses system due to the stationarity of the flexibility of control mode, convenience and transmission, is widely used in big
In the industries such as type engineering machinery, petroleum gas transmission, one of most common failure during its use is pipeline leakage.Pipeline oozes
Leakage not only causes the waste of petroleum and gas resources, and reduction system effectiveness, influence system are normally run, and huge warp can be caused when serious
Ji loss, or even jeopardize life security.The main cause for causing pipeline leakage is that tube wall cracking, pipeline and pipeline connection place connect
Head loosens or the failure of joint sealing circle.Existing leak resistance set of pipeline, can only be used after liquid (gas) pressure system stalls.It is right
In applied to underwater operations such as submarine, underwater drilling platforms；Liquid (gas) the pressure system of oil, pernicious gas transmitting procedure, once
Emergency shutdown can cause huge economic loss in the course of the work.System worked well situation is not being influenceed currently without one kind
Lower workable emergent leak-proof device.
The content of the invention
It is an object of the invention to provide a kind of self-locking emergency leak resistance set of pipeline and method, solve to need during pipeline leakage
The problem of wanting emergency shutdown.
Specifically, the invention provides a kind of self-locking emergency leak resistance set of pipeline, including left shell and right shell body；
Left shell and right shell body upper/lower terminal are equipped with semi-cylindrical ring, are formed after left shell and right shell body docking in inside
Empty cylindrical shell, the corresponding semi-cylindrical ring of upper/lower terminal is combined into upper and lower two full circle band of columns, the internal diameter of two full circle band of columns
It is adapted with pipeline external diameter, upper and lower two full circle band of columns internal face is provided with pipeline sealing strip；The side of left shell and right shell body one
Side is hinged；The opposite side and right shell body opposite side of left shell are provided with mounting plane；
Left shell and right shell body close latter two mounting plane by latch nook and reinforce screw fastening.
Further, there are self-locking hole and reinforced hole on the mounting plane of left shell；There is self-locking on the mounting plane of right shell body
Hook and reinforced hole；
Latch nook is stretched into self-locking hole, and the reinforced hole for reinforcing screw through right shell body is screwed in the reinforced hole of left shell, plus
Gu screw is to be threadedly coupled with the reinforced hole of left shell.
Further, the rectangular preiection for abutting joint is equipped with left shell and right shell body；
The upper end surface of the rectangular preiection of left shell, is provided with a rectangle blind hole, and release lever is installed in rectangle blind hole；
Release lever top is circular pressure cap, and middle part is the rectangular shaft for being provided with self-locking hole, and bottom is cylindrical reduction bullet
Spring mounting rod；
Back-moving spring one end is placed on back-moving spring mounting rod, and the other end is fixed on the bottom face of rectangle blind hole.
Further, self-locking hole cross section is rectangle, including three sections, i.e. one section in rectangular shaft in the middle part of release lever
The hole of the rectangular shaft left and right sides with the rectangular preiection positioned at left shell and in the middle part of release lever, positioned at rectangle in the middle part of release lever
Hole on the right side of bar is the mounting surface of the rectangular preiection of left shell to the through hole of rectangular opening side, positioned at rectangular shaft in the middle part of release lever
The hole in left side is blind hole, and the sector hole in rectangular shaft in the middle part of release lever is close to the mounting surface of the rectangular preiection of left shell
There is the slope expanded outwardly one end.
Further, latch nook is the straight-bar with barb, and barb is located at one end of straight-bar, and the other end of straight-bar is fixed on
On the mounting plane of right shell body.
Further, the mounting plane of left shell has positioning boss, and the mounting plane of right shell body has o-ring groove, sealing
Cavity sealing ring is bonded with circle groove；
The positioning boss of left shell can enter the o-ring groove of right shell body.
Further, in addition to through the unloading hole of right shell body outer wall；
Off-load bolt thread side is threaded onto in unloading hole, by off-load sealing ring be pressed in off-load bolt and unloading hole bottom it
Between.
Further, in addition to left handgrip and right handgrip；
Left handgrip is installed on the outer surface of left shell；
Right handgrip is installed on the outer surface of right shell body；
When left shell and right shell body closure, left handgrip and right handgrip are relative to mounting plane positional symmetry；
Left handgrip and right handgrip are outward-dipping in eight shape.
Further, the center overlapping of axles of the central shaft of semi-cylindrical ring and the cylindrical shell of inner hollow；
The inner surface of semi-cylindrical ring has pipeline sealing strip or the rubber ring of sealing.
In addition, present invention also provides a kind of emergent anti-leaking method using the leak-proof device.
Technical solution of the present invention has the beneficial effect that：
1. a leak-proof device can be used in the case where not influenceing system worked well, it is to avoid repair seepage emergency shutdown
The economic loss caused.
2. for the seepage of hydraulic system, it is difficult that the hollow structure formed after left shell and right shell body docking effectively reduces operation
Degree, because the compressible amount of gas is far longer than the compressible amount of liquid, the abundant space of hollow structure formation is fluid seepage
Good cushioning effect is played with internal pressure rise caused by leak-stopping operation simultaneously, prevents left shell from locking with right shell body tired
It is difficult.
3. the self-locking of left shell and right shell body can be achieved by compressing left handgrip and right handgrip for the present apparatus, pass through during dismounting
Being unlocked by pressing handle can unlock.It is easy to operation, it is possible to reduce personnel's input during emergent leakproof.
4. left shell and right shell body positive lock are made, it is ensured that the present apparatus by the way of reinforcing locking and being combined using self-locking
Leak preventing effect.
5. when the trouble location to occurring seepage is overhauled, to avoid the danger that high pressure release band is come, it is necessary to first loose
The pressure that lotus bolt of starting discharging is discharged in the device is removed again, it is ensured that the device is reused.
Brief description of the drawings
Accompanying drawing is only used for showing the purpose of specific embodiment, and is not considered as limitation of the present invention, in whole accompanying drawing
In, identical reference symbol represents identical part.
Structural representation when Fig. 1 is the leak-proof device closure of the present invention；
Fig. 2 is structural representation when leak-proof device of the invention is semi-open；
Fig. 3 is structural representation when leak-proof device of the invention is opened completely；
Fig. 4 is the reinforcing screw scheme of installation of the leak-proof device of the present invention；
Fig. 5 is the off-load bolt and off-load sealing ring scheme of installation of the leak-proof device of the present invention；
Fig. 6 is that the latch nook of the leak-proof device of the present invention reaches self-locking hole porch schematic diagram；
Fig. 7 is that the latch nook of the leak-proof device of the present invention reaches schematic diagram at self-locking hole slope；
Fig. 8 is that the latch nook of the leak-proof device of the present invention reaches self-locking hole interlude schematic diagram；
Fig. 9 is that the latch nook of the leak-proof device of the present invention is fully inserted into schematic diagram in self-locking hole；
Figure 10 is schematic diagram when the release lever of leak-proof device of the present invention is pressed；
Figure 11 is that the latch nook of the leak-proof device of the present invention stretches out schematic diagram out of self-locking hole；
Figure 12 be the present invention leak-proof device latch nook out of self-locking hole fully extended schematic diagram.
In figure：The left handgrips of 1-, the right handgrips of 2-, 3- hinges, 4- left shells, 5- right shell bodies, 6- pipelines sealing strip, 7- cavitys are close
Seal, 8- unloading holes, 9- off-loads bolt, 10- off-loads sealing ring, 11- latch nooks, 12- self-locking holes, 13- release levers, 14- are multiple
Position spring, 15- reinforced holes, 16- reinforce screw.
Embodiment
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
The invention provides a kind of self-locking emergency leak resistance set of pipeline, as Figure 1-3, including：Left handgrip 1, the right side
Handgrip 2, hinge 3, left shell 4, right shell body 5, pipeline sealing strip 6, cavity sealing ring 7, unloading hole 8, off-load bolt 9, off-load are close
Seal 10, latch nook 11, self-locking hole 12, release lever 13, back-moving spring 14, reinforced hole 15, reinforcing screw 16.
Left shell 4 and right shell body 5 are semi-cylindrical in configuration, that is, be cavity cylinder divide equally by diameter 1/2nd, on
There are semi-cylindrical ring, the central shaft of semi-cylindrical ring and the center overlapping of axles of semicolumn in lower two ends, and left shell 4 and right shell body 5 are docked
The internal pressure rise caused by fluid seepage and leak-stopping operation simultaneously of the abundant space of hollow structure formation afterwards plays good
Cushioning effect.Left shell 4 and right shell body 5 can abutting joint, be complete cylinder after docking, the face of docking is flat to install
Face, is hinged by the hinge 3 for being installed on planar side, can open and close left shell 4 and right shell body 5.Hinge 3 is being installed
At opposite side, there is rectangular preiection on left shell 4 and right shell body 5, the size of rectangular preiection is identical, can abutting joint.
Optionally, hinge 3 is three, is distributed in the position of upper, middle and lower three of left shell 4 and the mounting plane side of right shell body 5
Put.
The mounting plane of left shell 4 has positioning boss, and the mounting plane of right shell body 5 has o-ring groove, o-ring groove
Cavity sealing ring 7 is inside bonded with, when left shell 4 and the conjunction of right shell body 5 are closed, the positioning boss of left shell 4 enters the sealing of right shell body 5
Enclose groove.
There are self-locking hole 12 and reinforced hole 15 on the mounting plane of the rectangular preiection of left shell 4.Optionally, reinforced hole 15 is from upper
And lower total of three, the total of four from top to bottom of self-locking hole 12, correspondingly, have on the mounting plane of the rectangular preiection of right shell body 5
Latch nook 11 and reinforced hole 15, the position of latch nook 11 are corresponding with the position of self-locking hole 12, and reinforced hole 15 is in left shell 4 and the right side
The position of housing 5 is corresponding so that latch nook 11 can be stretched into self-locking hole 12 when left shell 4 and the closure of right shell body 5, reinforce screw
16 can screw in reinforced hole 15.
As indicated at 4, the reinforced hole 15 in right shell body 5 runs through the rectangular preiection of right shell body 5, and is in shoulder hole, left shell 4
Reinforced hole 15 and not through and for screwed hole.Reinforcing screw 16 is soket head cap screw, may pass through the reinforced hole 15 of right shell body 5
In the reinforced hole 15 for screwing in left shell 4, left shell 4 and right shell body 5 are locked, this structure type saves space and locking torque
Greatly.
In the upper end surface of the rectangular preiection of left shell 4, the rectangle blind hole for being provided with release lever 13, release lever are provided with
13 tops are circular pressure cap, and middle part is the rectangular shaft for being provided with self-locking hole 12, and bottom is cylindrical reduction turnover pressing plate.Reset
The one end of spring 14 is placed on back-moving spring mounting rod, and the other end is fixed on the bottom face of rectangle blind hole,
By the pressure cap of release lever 13, back-moving spring 14 is compressed, and the middle part of release lever 13 can be caused to be provided with certainly simultaneously
The position of the rectangular shaft of lockhole 12 declines.
Latch nook 11 is the straight-bar with barb, and barb is located at one end of straight-bar, and the other end of straight-bar is fixed on right shell body 5
Rectangular preiection mounting plane on.
The cross section of self-locking hole 12 is rectangle, for the turnover of latch nook 11, including three sections, i.e., positioned at the middle part of release lever 13
One section in rectangular shaft and the rectangular preiection positioned at left shell 4 and in the hole of the middle part rectangular shaft left and right sides of release lever 13, position
Hole on the right side of the middle part rectangular shaft of release lever 13 is the mounting surface of the rectangular preiection of left shell 4 to the middle part rectangle of release lever 13
The through hole in bar side face, the hole on the left of the middle part rectangular shaft of release lever 13 is blind hole.Positioned at the middle part rectangular shaft of release lever 13
There is the perforate of the slope expanded outwardly, i.e. end one end of the mounting surface of rectangular preiection of the interior sector hole close to left shell 4
Cross-sectional area is more than internal perforate cross-sectional area.During normality, a sector hole in the middle part rectangular shaft of release lever 13 it is oblique
Slope end is concordant with the hole on the right side of rectangular block, and the sector hole position in the middle part rectangular shaft of release lever 13 is higher than in release lever 13
Hole on the right side of portion's rectangular shaft.
Optionally, the outer surface of left shell 4 is provided with left handgrip 1, and the symmetrical position of right shell body 5 is provided with right handgrip 2, left
Handgrip 1 and right handgrip 2 are outward-dipping in eight shape, are easy to pressing during locking to exert oneself.
The inner surface of the semi-cylindrical ring of the upper/lower terminal of left shell 4 and right shell body 5 has pipeline sealing strip 6 or sealing to use
Rubber ring etc., be the full circle band of column after semi-cylindrical ring docking, the internal diameter of the full circle band of column and the external diameter of pipeline match, used
Pipeline sealing strip 6 is adhered to semi-cylindrical ring inner surface in journey, seals.In the present embodiment, pipeline sealing strip 6 is four.
Unloading hole 8 is provided with below the outer wall of right shell body 5, as shown in figure 5, unloading hole 8 is through the logical of the outer wall of right shell body 5
There is screw thread hole, one end close to outside wall surface,.The screw thread side of off-load bolt 9 is threaded onto in unloading hole 8, and off-load sealing ring 10 is compressed
Between off-load bolt 9 and the bottom of unloading hole 8.
In use, off-load bolt 9 is threaded onto in unloading hole 8 in advance, the device is then held into left handgrip 1 and right handgrip 2
Pressing so that latch nook 11 is stretched into self-locking hole 12, will reinforce screw 16 and is installed on reinforced hole 15, device is locked, device makes
After end, off-load bolt 9 is outwarded winding out of unloading hole 8, pressure release is carried out.Remove and reinforce screw 16, left hand being unlocked by pressing handle
13 pressure cap, the right hand exerts oneself to be pulled outwardly right handgrip 2, and release lever 13 can control all latch nooks 11 simultaneously so that self-locking
Hook 11 is removed out of self-locking hole 12, and device is removed from pipeline.
Present invention also offers a kind of anti-leaking method using the device, following steps are specifically included：
S1：The device left shell 4 and right shell body 5 are wrapped into tube wall cracking or pipeline or the pipe joint connection of seepage
Place is met, left handgrip 1 and right handgrip 2 is pressed, as shown in fig. 6, make the porch of the arrival self-locking hole 12 of latch nook 11, left shell 4
Positioning boss enters the o-ring groove of right shell body 5, meanwhile, pipeline sealing strip 6 is bonded with semi-cylindrical ring internal face, by semicircle
Gap between the band of column and pipeline is filled up；
S2：As Figure 7-9, continue firmly to press left handgrip 1 and right handgrip 2, latch nook 11 continues into self-locking hole 12
Motion, compression reseting spring 14, until the latched position that latch nook 11 enters in self-locking hole 12, back-moving spring 14 resets, left housing
Body 4 is locked automatically with right shell body 5, and the position of pipeline leakage is closed in wherein；
S3：Reinforcing screw 16 is tightened on reinforced hole 15, device is locked；
S4：After the completion of device use, off-load bolt 9 is outwarded winding out of unloading hole 8, to the leak-proof device pressure release.
S5：Remove and reinforce screw 16, the pressure cap of left hand being unlocked by pressing handle 13, the right hand exerts oneself to be pulled outwardly right handgrip 2, such as
Shown in Figure 10-12 so that latch nook 11 is removed out of self-locking hole 12, and device is removed from pipeline.
In summary, the invention provides a kind of self-locking emergency leak resistance set of pipeline, locked using self-locking with reinforcing
The mode being combined, can be used in the case where not influenceing system worked well, be operated simultaneously for fluid seepage and leak-stopping
Good cushioning effect is played in caused internal pressure rise, is prevented locking difficult, is easy to operation, it is possible to reduce during emergent leakproof
Personnel input.
Although combined preferred embodiment is described in detail to the present invention, those skilled in the art should
What it is when understanding is that various amendments are all allowed, and they both fall within this hair in the case of without prejudice to spirit of the invention and essence
Among bright scope of the claims.
Claims (10)
1. a kind of self-locking emergency leak resistance set of pipeline, it is characterised in that including left shell (4) and right shell body (5)；
The left shell (4) and right shell body (5) upper/lower terminal are equipped with semi-cylindrical ring, left shell (4) and right shell body (5) docking
The cylindrical shell of inner hollow is formed afterwards, and the corresponding semi-cylindrical ring of upper/lower terminal is combined into upper and lower two full circle band of columns, and two whole
The internal diameter of cylinder ring is adapted with pipeline external diameter, and upper and lower two full circle band of columns internal face is provided with pipeline sealing strip (6)；Left shell
(4) side and right shell body (5) side is hinged；The opposite side and right shell body (5) opposite side of left shell (4) are provided with mounting plane；
The left shell (4) and right shell body (5) close latter two mounting plane by latch nook (11) and reinforce screw (16) tightly
Gu.
2. leak resistance set of pipeline according to claim 1, it is characterised in that have on the mounting plane of the left shell (4)
Self-locking hole (12) and reinforced hole (15)；There are latch nook (11) and reinforced hole (15) on the mounting plane of the right shell body (5)；
The latch nook (11) is stretched into self-locking hole (12), reinforces the reinforced hole (15) that screw (16) passes through the right shell body (5)
In the reinforced hole (15) for screwing in the left shell (4), the reinforced hole (15) for reinforcing screw (16) and left shell (4) connects for screw thread
Connect.
3. leak-proof device according to claim 1 or 2, it is characterised in that on the left shell (4) and right shell body (5)
Provided with the rectangular preiection for abutting joint；
The upper end surface of the rectangular preiection of the left shell (4), is provided with a rectangle blind hole, it is blind that release lever (13) is installed on rectangle
In hole；
Release lever (13) top is circular pressure cap, and middle part is the rectangular shaft for being provided with self-locking hole (12), and bottom is multiple for cylinder
Position turnover pressing plate；
Back-moving spring (14) one end is placed on back-moving spring mounting rod, and the other end is fixed on the bottom face of rectangle blind hole.
4. leak-proof device according to claim 3, it is characterised in that self-locking hole (12) cross section is rectangle, including
Three sections, i.e. one section in the middle part of the release lever (13) in rectangular shaft and the rectangular preiection positioned at left shell (4) and in unblock hand
The hole of the rectangular shaft left and right sides in the middle part of handle (13), the hole on the right side of rectangular shaft in the middle part of release lever (13) is left shell (4)
The mounting surface of rectangular preiection is to the through hole of rectangular opening side, and the hole on the left of rectangular shaft in the middle part of release lever (13) is blind hole,
A sector hole in rectangular shaft in the middle part of release lever (13) is oriented close to one end of the mounting surface of the rectangular preiection of left shell (4)
The slope of outer expansion.
5. leak-proof device according to claim 4, it is characterised in that the latch nook (11) is the straight-bar with barb,
Barb is located at one end of straight-bar, and the other end of straight-bar is fixed on the mounting plane of right shell body (5).
6. the leak-proof device according to claim 4 or 5, it is characterised in that the mounting plane of the left shell (4) has positioning
Boss, the mounting plane of right shell body (5), which has, is bonded with cavity sealing ring (7) in o-ring groove, o-ring groove；
The positioning boss of the left shell (4) can enter the o-ring groove of right shell body (5).
7. leak-proof device according to claim 6, it is characterised in that also including the unloading hole through right shell body (5) outer wall
(8)；
Off-load bolt (9) screw thread side is threaded onto in unloading hole (8), and off-load sealing ring (10) is pressed in into off-load bolt (9) and unloaded
Between lotus hole (8) bottom.
8. leak-proof device according to claim 7, it is characterised in that also including left handgrip (1) and right handgrip (2)；
The left handgrip (1) is installed on the outer surface of the left shell (4)；
The right handgrip (2) is installed on the outer surface of the right shell body (5)；
When left shell (4) and right shell body (5) closure, the left handgrip (1) and right handgrip (2) are relative to mounting plane position pair
Claim；
The left handgrip (1) and right handgrip (2) are outward-dipping in eight shape.
9. the leak-proof device according to claim 7 or 8, it is characterised in that in the central shaft and inside of the semi-cylindrical ring
The center overlapping of axles of empty cylindrical shell；
The inner surface of the semi-cylindrical ring has pipeline sealing strip (6) or the rubber ring of sealing.
10. a kind of usage right requires the emergent anti-leaking method of any leak-proof devices of 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710469960.6A CN107178676B (en) | 2017-06-20 | 2017-06-20 | A kind of self-locking emergency leak resistance set of pipeline and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710469960.6A CN107178676B (en) | 2017-06-20 | 2017-06-20 | A kind of self-locking emergency leak resistance set of pipeline and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107178676A true CN107178676A (en) | 2017-09-19 |
| CN107178676B CN107178676B (en) | 2019-06-07 |
Family
ID=59844247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710469960.6A Active CN107178676B (en) | 2017-06-20 | 2017-06-20 | A kind of self-locking emergency leak resistance set of pipeline and method |
Country Status (1)
| Country | Link |
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| CN (1) | CN107178676B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108397635A (en) * | 2018-02-06 | 2018-08-14 | 成都科盛石油科技有限公司 | A kind of repair apparatus for rupturing petroleum pipeline |
| CN110500467A (en) * | 2019-08-26 | 2019-11-26 | 淄博爱科工矿机械有限公司 | A kind of F type bump joint |
| CN113757482A (en) * | 2021-09-22 | 2021-12-07 | 国家石油天然气管网集团有限公司 | Flexible sealing element, oil and gas pipeline maintenance device and flexible oversleeve machine |
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| CN204628958U (en) * | 2015-03-15 | 2015-09-09 | 邯郸县宏通机械厂 | A kind of Quick leak stoppage apparatus |
| CN105909914A (en) * | 2016-06-23 | 2016-08-31 | 河南中托力合化学有限公司 | Temporary storage device of oil transmission pipe leakage oil |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US813674A (en) * | 1905-06-24 | 1906-02-27 | John F Skirrow | Clamping-sleeve for pneumatic-despatch tubes. |
| US4096886A (en) * | 1977-05-02 | 1978-06-27 | Ronald Albert Daspit | Clamp for repair of leaking underwater pipelines |
| EP0024709A1 (en) * | 1979-08-28 | 1981-03-11 | Franz Dümpelman | Clamp joint with gasket for gas and water pipes |
| CN204628958U (en) * | 2015-03-15 | 2015-09-09 | 邯郸县宏通机械厂 | A kind of Quick leak stoppage apparatus |
| CN105909914A (en) * | 2016-06-23 | 2016-08-31 | 河南中托力合化学有限公司 | Temporary storage device of oil transmission pipe leakage oil |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108397635A (en) * | 2018-02-06 | 2018-08-14 | 成都科盛石油科技有限公司 | A kind of repair apparatus for rupturing petroleum pipeline |
| CN110500467A (en) * | 2019-08-26 | 2019-11-26 | 淄博爱科工矿机械有限公司 | A kind of F type bump joint |
| CN110500467B (en) * | 2019-08-26 | 2020-11-06 | 淄博爱科工矿机械有限公司 | F-shaped flange joint |
| CN113757482A (en) * | 2021-09-22 | 2021-12-07 | 国家石油天然气管网集团有限公司 | Flexible sealing element, oil and gas pipeline maintenance device and flexible oversleeve machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107178676B (en) | 2019-06-07 |
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