CN208565890U - A kind of side flanges sealing clamp - Google Patents
A kind of side flanges sealing clamp Download PDFInfo
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- CN208565890U CN208565890U CN201821013520.6U CN201821013520U CN208565890U CN 208565890 U CN208565890 U CN 208565890U CN 201821013520 U CN201821013520 U CN 201821013520U CN 208565890 U CN208565890 U CN 208565890U
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- side flanges
- hole
- sealing clamp
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Abstract
The utility model discloses a kind of side flanges sealing clamps, belong to on-line pressure sealant technical field, including the chuck body being made of two semicircular clamp rings；The mounting hole of the chuck body is close to the periphery of flange one；The bottom surface of the mounting hole extends radially out annular convex platform；It is close to the inner face of flange two bottom surface of the annular convex platform；The closed cavity of annular is formed between flange one, flange two, pipeline and chuck body；The longitudinal cross-section of the closed cavity is T-type；The injecting hole of several connection plug valves is distributed along the circumference on the clamp ring.It is equipped with connecting pin ear at clamp ring outer peripheral surface both ends, connecting pin ear is equipped with the pin hole perpendicular to clamp ring axis, and the connecting pin ear that fastening bolt passes through two clamp rings connects fastening nut.The utility model simplifies clamp structure and fixture manufacture, and is easily installed, and shortens the exploration time, also simplifies the machining requirements of sealing clamp.
Description
Technical field
The utility model relates to on-line pressure sealant technical fields, more particularly to a kind of side flanges sealing clamp.
Background technique
The various positions such as equipment, pipeline, valve in process units, when because being leaked caused by certain reason, leaking medium band
Warm, with pressure and outside jet flow state.Leakage position includes: that flange, equipment, the hole on pipeline, welding defect, screw thread connect
Head, gland leakage etc..Leaking medium includes: water, water vapour, air, oxygen, nitrogen, coal gas, ammonia, liquefied gas, gasoline, bavin
Oil, kerosene, heavy oil, lubricating oil, acid, alkali, esters, alcohols, benzene class, various heat carriers, various hydrocarbons, various chemical gas
The leakage part of the All Medias such as body, liquid can go to eliminate with on-line pressure sealant technology.On-line pressure sealant technology is exactly to utilize leak
The original closed cavity in position, or a closed cavity is established on leakage position, the outside for medium system pressure pushes away
Power, will have plasticity, curability, and the sealant for being resistant to leaking medium and temperature injects and is full of enclosure space, blocks leak
Hole and channel, sealant under certain conditions, solidify rapidly, a fixed new sealing knot are set up on leakage position
Structure eliminates the leakage of medium.
The on-line pressure sealant technology of pipeline in the prior art is that a pair of of flange is arranged in the junction of pipeline；Sealing clamp
Mounting hole need all to contain two flanges；Operating method this in this way has the disadvantages that
Not only need to survey the gap size of two flanges, it is also desirable to which it is same to ensure to survey the eccentric size of two flanges
Diameter.It is higher to the precise requirements of in-site measurement size in this way, if because caused by measurement error fixture fit-up gap but can not
Adjustment compensation.So the assembly precision of the mounting hole of sealing clamp and flange will be poor, after showing as sealing clamp installation,
Can have assembly gap between flange makes sealant leak if assembly gap is larger, and injecting glue extruding force is unable to reach design pressure
Power will ultimately result in entire on-line pressure sealant procedure failure.
It is proved according in the regulation and practical application in " bearing device on-line pressure sealant technical specification " GBT 26467-2011,
The fit-up gap of sealing clamp most very much not allows more than 0.5mm, therefore, for guarantee sealing clamp assembly precision, then will
In-site measurement is asked to need to guarantee higher accuracy.And many times it is difficult to protect under the influence of severe work condition environment at the scene
Demonstrate,prove the precision of measurement.Even if in addition measurement is accurate, also higher to the machining requirements of sealing clamp mounting hole；Exploration and machine simultaneously
The time cost of processing is all higher.
Utility model content
The utility model is directed to above-mentioned technical problem of the existing technology, provide it is a kind of it is structurally reasonable, exploration is simple
Side flanges sealing clamp.
The utility model is adopted the technical scheme that solve technical problem present in well-known technique:
A kind of side flanges sealing clamp, including the chuck body being made of two semicircular clamp rings；The fixture sheet
The mounting hole of body is close to the periphery of flange one；The bottom surface of the mounting hole extends radially out annular convex platform；The convex annular
It is close to the inner face of flange two bottom surface of platform；The closing that annular is formed between flange one, flange two, pipeline and chuck body is empty
Chamber；The longitudinal cross-section of the closed cavity is T-type；
The injecting hole of several connection plug valves is distributed along the circumference on the clamp ring.
Further, it is equipped with connecting pin ear at clamp ring outer peripheral surface both ends, connecting pin ear is equipped with perpendicular to clamp ring axis
Pin hole, the connecting pin ear that fastening bolt passes through two clamp rings connects fastening nut.
Further, the injecting hole includes sequentially connected big cylindrical hole, conical bore and small cylindrical opening from outside to inside；
Further, the injecting hole is 4.
Further, the gap of the injecting hole face flange one and flange two.
Further, in the bottom surface that annular convex platform connects with flange two, the defects of offering the seamed edge burr for accommodating flange two
Serrate slot；
Further, the annular groove that the serrate slot 1-1a is 45 °.
The utility model has the advantages and positive effects of:
The side flanges sealing clamp of the utility model simplifies on the basis of keeping general flange clamp to be applicable in ability
Clamp structure and fixture manufacture, and be easily installed.In addition only guarantee that single flange outer face and sealing clamp are pacified when on-site land survey
Dress hole fits closely, and do not have to exploration flange gap size, two flange eccentric sizes and whether same diameter, substantially reduce exploration
Time also simplifies the machining requirements of sealing clamp.
Detailed description of the invention
Fig. 1 is the installation diagram of the preferred embodiment in the utility model；
Fig. 2 is the tomograph of the preferred embodiment in the utility model；
Fig. 3 is the partial enlarged view of Fig. 2.
Wherein, 1, clamp ring；1-1, annular convex platform；1-1a, serrate slot；1-2, injecting hole；1-2a, big cylindrical hole；1-2b, circle
Taper hole；1-2c, small cylindrical opening；1-3, connecting pin ear；1-3a, pin hole；2, mounting hole；3, closed cavity；4, flange one；5, flange
Two；5-1, stupefied side；6, pipeline.
Specific embodiment
For the utility model content, feature and effect that can further appreciate that the utility model, the following examples are hereby given, and
It is described in detail with the accompanying drawings as follows:
It please refers to Fig.1 to Fig.3, a kind of side flanges sealing clamp, including the circle being made of two semicircular clamp rings 1
Chuck body；The mounting hole 2 of the chuck body is close to the periphery of flange 1；Radially prolong in the bottom surface of the mounting hole 2
Stretch out annular convex platform 1-1；It is close to the inner face of flange 25 bottom surface of the annular convex platform 1-1；Flange 1, flange 25, pipe
The closed cavity 3 of annular is formed between road 6 and chuck body；The longitudinal cross-section of the closed cavity 3 is T-type；
The injecting hole 1-2 of several connection plug valves is distributed along the circumference on the clamp ring 1, the injecting hole 1-2 is to connect
The logical extraneous through-hole with the closed cavity 3；The gap of injecting hole 1-2 face flange 1 and flange 25.Preferably, the note
Agent hole 1-2 is 4.In order to increase the pressure of injecting in closed cavity 3, it is preferred that the injecting hole 1-2 include from outside to inside according to
Big cylindrical hole 1-2a, conical bore 1-2b and the small cylindrical opening 1-2c of secondary connection.
The stupefied side 5-1 that the inner face of flange 25 intersects with outer circumference surface generally cannot be guaranteed to smoothly transit, in order to guarantee ring
Shape boss 1-1 can be adjacent to flange 25, in the bottom surface that annular convex platform 1-1 connects with flange two, offered and accommodated flange two
The serrate slot 1-1a of the defects of seamed edge burr；The annular groove that the serrate slot 1-1a is 45 °.
It is equipped with connecting pin ear 1-3 at the 1 outer peripheral surface both ends of clamp ring, connecting pin ear 1-3 is equipped with perpendicular to 1 axis of clamp ring
Pin hole 1-3a, fastening bolt pass through two clamp rings 1 connecting pin ear 1-3 connection fastening nut.
Working principle:
When flange leaks, two clamp rings 1 are loaded onto two flange outer peripheral surfaces, and when installation makes mounting hole 2
Inner wall is close to the outer wall of flange 1, while the inner face of flange 25 is close in the bottom surface of annular convex platform 1-1, then with fastening spiral shell
Bolt and fastening nut tighten two clamp rings 1；High-pressure injection plastic rifle is protruded into injecting hole 1-2, is then injected into injecting until injecting exists
Compacting is filled up in closed cavity 3, extruding force of the injecting in cavity pastes annular convex platform 1-1 and the inner face of flange 25 closely
It closes；When the pressure balance of injecting extruding force and leaking medium, then leakage can be terminated.It is detected after injecting, it is continuous to monitor
No leakage is qualification within 24 hours, finally by cock valve closure injecting hole 1-2.After leak stopping is qualified, high-pressure injection plastic rifle is removed, incite somebody to action this
Sealing clamp is retained on the flange of leak repairing.
The utility model simplifies clamp structure and fixture system on the basis of keeping general flange clamp to be applicable in ability
It makes, and is easily installed.In addition only guarantee fitting closely for single flange outer face and sealing clamp mounting hole 2 when on-site land survey,
And do not have to exploration flange gap size, two flange eccentric sizes and whether same diameter, substantially reduce exploration the time, also simplify close
The machining requirements of binder tool.
The embodiments of the present invention are described in detail above, but the content is only the preferable of the utility model
Embodiment should not be considered as limiting the scope of the present invention.It is made according to the scope of application of this utility model equal
Deng variation and improvement etc., should still belong within the patent covering scope of the utility model.
Claims (7)
1. a kind of side flanges sealing clamp, including the chuck body being made of two semicircular clamp rings (1)；The fixture sheet
The mounting hole (2) of body is close to the periphery of flange one (4)；It is characterized by:
The bottom surface of the mounting hole (2) extends radially out annular convex platform (1-1)；The bottom surface of the annular convex platform (1-1) and method
The inner face of blue two (5) is close to；The closing that annular is formed between flange one (4), flange two (5), pipeline (6) and chuck body is empty
Chamber (3)；The longitudinal cross-section of the closed cavity (3) is T-type；
The injecting hole (1-2) of several connection plug valves is distributed along the circumference on the clamp ring (1).
2. a kind of side flanges sealing clamp as described in claim 1, it is characterised in that: in the clamp ring (1) outer peripheral surface two
End is equipped with connecting pin ear (1-3), and connecting pin ear (1-3) is equipped with the pin hole (1-3a) perpendicular to clamp ring (1) axis, fastening bolt
Connecting pin ear (1-3) across two clamp rings (1) connects fastening nut.
3. a kind of side flanges sealing clamp as described in claim 1, it is characterised in that: the injecting hole (1-2) from outside to
Interior includes sequentially connected big cylindrical hole (1-2a), conical bore (1-2b) and small cylindrical opening (1-2c).
4. a kind of side flanges sealing clamp as described in claim 1, it is characterised in that: the injecting hole (1-2) is 4.
5. a kind of side flanges sealing clamp as described in claim 1, it is characterised in that: injecting hole (1-2) the face method
The gap of blue one (4) and flange two (5).
6. a kind of side flanges sealing clamp as described in claim 1, it is characterised in that: in annular convex platform (1-1) and flange
The bottom surface that two (5) connect, offer accommodate flange two (5) seamed edge burr the defects of serrate slot (1-1a).
7. a kind of side flanges sealing clamp as claimed in claim 6, it is characterised in that: the serrate slot (1-1a) is 45 °
Annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821013520.6U CN208565890U (en) | 2018-06-28 | 2018-06-28 | A kind of side flanges sealing clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821013520.6U CN208565890U (en) | 2018-06-28 | 2018-06-28 | A kind of side flanges sealing clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208565890U true CN208565890U (en) | 2019-03-01 |
Family
ID=65489274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821013520.6U Active CN208565890U (en) | 2018-06-28 | 2018-06-28 | A kind of side flanges sealing clamp |
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| Country | Link |
|---|---|
| CN (1) | CN208565890U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110578843A (en) * | 2019-09-23 | 2019-12-17 | 张凡君 | Leakage-preventing sealing process for pressure pipeline flange |
-
2018
- 2018-06-28 CN CN201821013520.6U patent/CN208565890U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110578843A (en) * | 2019-09-23 | 2019-12-17 | 张凡君 | Leakage-preventing sealing process for pressure pipeline flange |
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