CN105042273B - A kind of pipeline dimension repairing pipe clamp - Google Patents
A kind of pipeline dimension repairing pipe clamp Download PDFInfo
- Publication number
- CN105042273B CN105042273B CN201510401454.4A CN201510401454A CN105042273B CN 105042273 B CN105042273 B CN 105042273B CN 201510401454 A CN201510401454 A CN 201510401454A CN 105042273 B CN105042273 B CN 105042273B
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- China
- Prior art keywords
- arc
- frame
- otic placode
- pipeline
- screw
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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
Abstract
The invention discloses a kind of pipeline dimension repairing pipe clamp, including:Two arc frames, arc frame connects end block, arc compact heap, sealing rubber pad, arc frame rubber blanket, elastic Universal support component, two flexible riggings, unthreaded hole connection block assembly, screw connection block assembly, connecting bolt, the present invention are applied to the quick blocking of large area leakage, crackle or the perforation of mesohigh pipeline;Can adapt to larger pipeline deviation and deformation;Leak stopping success rate is high, lightweight, installs and adjusts easy, is easy to diver's underwater construction.
Description
Technical field
The application is related to pipeline maintenance field, more particularly to a kind of pipeline dimension repairing pipe clamp.
Background technology
Mechanical pipe dimension repairing pipe clamp, because which need not be welded in Process of Leaking Stoppage, speed of application is fast, and in operation pipeline
It is widely adopted in the dimension repairing operation such as little unexpected breakage of corrosion failure, bead crack and damage.
Current mechanical pipe dimension repairing pipe clamp generally individually using sealing cavity structure, will 2 semicircles half block and pass through
Bolt connection is integrated, and is sealed by axial sealing stripe, be placed at pipe leakage between 2 half cards, and fixture two ends are empty with pipeline enclosure
Gap is sealed by circumferential seal bar again, and forms an annular seal space in leak, realizes the closure of pipe leakage.
The advantage of this kind of fixture is to be suitable for the leakage of more damaged form and larger damaged area, can on-line production leak stopping.
But its use condition and definitive application pressure to be subject to the outside diameter tolerance degree and form and position tolerance of a circle at the whole circumferential seal of pipeline
Limit, therefore the requirement to the pipe diameter degree of deviation and form and position tolerance is higher, limits its applicability;And fixture inwall and pressure
Pumped (conveying) medium directly contact, contact area is big to need bearing capacity big, thus pipe clamp wall thickness is thicker, heavy;In addition, its mounting technique will
Ask high, need stricter erection sequence, need skew symmetry uniformly repeatedly to apply pretightning force paragraph by paragraph when bolt is tightened, just can guarantee that fixture
With pipeline gap and uniform force, expected closure pressure is reached;Two halves card is connected using stud bolt assemblies, pre- needed for bolt
Clamp force is big, typically needs pneumatically or hydraulically instrument auxiliary construction, therefore, installation operation program is loaded down with trivial details, and technical difficulty is big.
Therefore, because existing pipe clamp is had high demands to the pipe diameter degree of deviation and form and position tolerance, equipment is thick and heavy, installation procedure
Loaded down with trivial details, installation requirement is high, installs more difficult, and pipe clamp adaptability is poor, and overall leak stopping success rate can be caused relatively low.
The content of the invention
Invention provides a kind of pipeline dimension repairing pipe clamp, to solve the suitable of existing mechanical pipe dimension repairing pipe clamp
Answer pipe deforming less, the relatively low technical problem of leak stopping success rate.
To solve above-mentioned technical problem, the invention provides a kind of pipeline dimension repairing pipe clamp, for fixing letting out in pipeline
Leak source carries out leak stopping, including:
Two arc frames, two arc frames are symmetrical arranged and structure is identical;The first side of the arc frame is provided with
Rectangle arc groove;Hanger is welded with the middle part of the second side of the arc frame, the two ends of the second side of the arc frame symmetrically add
Work first through hole and installation screw;The extrados of the arc frame is provided with flexible rigging locating slot and radial direction screw;It is described
The intrados of arc frame is provided with trapezoidal groove;
Arc frame connects end block, is threaded through hole in the middle part of end face, and there is the first arc otic placode at axial two ends, and described first
Arc otic placode and the rectangle arc groove match;The first tapped blind hole is machined with the middle part of the end face of the first arc otic placode, it is described
First tapped blind hole is corresponding with the first through hole;
Arc compact heap, the intrados two ends of the arc compact heap are machined with wedge-shaped slot, have second in the middle part of axial two ends
Arc otic placode, the big cambered surface radius of otic placode of the second arc otic placode are less than the big cambered surface radius of the rectangle arc groove, and described
The little cambered surface radius of otic placode of two arc otic placodes are bigger than the little cambered surface radius of the rectangle arc groove, and the second arc otic placode is embedded in institute
State in rectangle arc groove, in the big cambered surface of the second arc otic placode, be machined with the second blind hole, second blind hole and the radial direction
Screw correspondence;
Sealing rubber pad, the inner sealing surface of the sealing rubber pad is latticed sealing joint strip, the sealing rubber pad
There are wedge shape axial direction adhesive tape and the first trapezoidal axial adhesive tape, the wedge shape axial direction adhesive tape and the first trapezoidal axial adhesive tape on external seal face
It is corresponding with the wedge-shaped slot;
Arc frame rubber blanket, arranges the second trapezoidal axial adhesive tape on the external seal face of the arc frame rubber blanket, described second is terraced
Shape axial direction adhesive tape is corresponding with the trapezoidal groove;
Elastic Universal support component, the elastic Universal support component and the installation screw are connected;
Two flexible riggings, correspondence are arranged in respective locating slot, the two ends difference unthreaded hole connection of the flexible rigging
Block assembly and screw connection block assembly, the unthreaded hole connection block assembly are connected block assembly and are connected by connecting bolt with the screw
Connect;
When the pipe leakage, in pipe surface, the flexible rigging surround the elastic Universal support modular support
The unthreaded hole is connected block assembly by the connecting bolt and the screw connects block assembly connection, makes the pipe clamp by pipeline section
On leakage pipeline section, and make in the middle part of the sealing rubber pad, to align substantially leak;Effect by the connecting bolt is tight
Gu the unthreaded hole connection block assembly and screw connection block assembly, so that the arc frame, arc frame connection end block, institute
The firm bent frame for stating arc frame rubber blanket composition is fixed on leakage pipeline section;Compressed by fastening the arc frame, the arc
Bolt in the corresponding bolt and nut component of block, arc compact heap described in block-by-block top pressure block the sealing rubber pad and let out
Dew position, and the pipe surface of seal leakage site boundary, realize sealing, then by the spiral shell in the bolt and nut component
Mother, locks the bolt in the bolt and nut component, completes plugging operations.
Preferably, the radian of the arc frame is less than 180 °.
Preferably, the scope of the inner arc radius surface of the arc frame is [r+4, r+6] mm, wherein, the r is the pipeline
Nominal radius.
Preferably, the second through hole is additionally provided with the first arc otic placode, for corresponding with the radial direction screw, by bolt
The effect of nut assembly is fixed the arc frame and connects end block.
Preferably, the big cambered surface radius of otic placode of the second arc otic placode are less by 2 than the big cambered surface radius of the rectangle arc groove
~3mm, the little cambered surface radius of the otic placode 1~2mm bigger than the little cambered surface radius of the rectangle arc groove of the second arc otic placode.
Preferably, the elastic Universal support component includes:Bracing frame, band screw rod multi-directional ball, elastic lining bar, butterfly spring
Group, multi-directional ball locking nut, clamp nut;
Third through-hole is provided with support frame as described above, the third through-hole and the installation screw are connected;
The first end of the elastic lining bar is connected on support frame as described above by the clamp nut;
The band screw rod multi-directional ball is bottom support member, for realizing axial direction and week of the pipe clamp on the pipeline
To multidirectional movement;
It is described to screw in the screw at second end of elastic lining bar, and by the multi-directional ball locking screw with screw rod multi-directional ball
Female locking, and realize that the high flexibility with screw rod multi-directional ball is automatically adjusted by the butterfly spring group.
By one or more technical scheme of the present invention, the invention has the advantages that or advantage:
The embodiment of the present application provides a kind of pipeline dimension repairing pipe clamp, including:Two arc frames, arc frame connection end block,
Arc compact heap, sealing rubber pad, arc frame rubber blanket, elastic Universal support component, two flexible riggings, unthreaded hole contiguous block group
Part, screw connection block assembly, connecting bolt.Combined type is combined into by 2 arc frames, arc frame connection end block, arc compact heap
Big arc compact heap, entirety or monolithic it is adjustable, in addition to pipeline Intermediate High Pressure is suitable for, can also make the present invention adapt to the big of pipeline
Area leakage, crackle or perforation etc., preferably, simple structure is flexible for adaptability.And the sealing surface of sealing rubber pad adopts grid type
Gasket structure, on the one hand by single integral sealing face, being divided into multiple little sealing surfaces, to form multiple tracks multi-layer sealed, improves
The adaptability and reliability of sealing, on the other hand also reduces the arc compact heap pressure needed for sealing, is easy to artificial operation.
In addition, 4 elastic Universal support components are provided with arc frame, can make that the present invention is light to be moved on pipeline, be easy to artificial
Rapid alignment leakage position of the present invention is moved, leak stopping operation is carried out.In addition, adopting 2 flexible riggings, 1 unthreaded hole contiguous block group
Part and 1 screw connect block assembly, and the present invention is tied after being fixed on pipeline by single connecting bolt, by adjusting arc
The bolt and nut component installed on frame, so as to hold out against each arc compact heap and sealing rubber pad, completes seal operation, makes the present invention
Installation and adjustment relative to it is existing sealing cavate pipe clamp it is easier, it is laborsaving, the present invention pipe clamp be not only applicable to land pipe
Road or the submarine pipeline of dry type maintenance, apply also for the underwater diver dimension repairing of beach shallow sea pipeline.
Further, due to the present invention be directed to local fast blockage at piping failure, required sealed width and arc length
Significantly less than existing sealing cavate pipe clamp so as to weight than existing sealing cavate pipe clamp at least it is light more than half, construction
Lighter, cost is relatively low.
Description of the drawings
Fig. 1 is a kind of whole structural representation of pipeline dimension repairing pipe clamp in the embodiment of the present application;
Structure charts of Fig. 2A-Fig. 2 B for the embodiment of the present application arc frame;
Fig. 3 A- Fig. 3 B are the structure chart that the embodiment of the present application arc frame connects end block;
Concrete structure diagrams of Fig. 4 A- Fig. 4 B for the embodiment of the present application arc compact heap;
Structure charts of the Fig. 5 for the sealing rubber pad of the embodiment of the present application;
Structure charts of Fig. 6 A- Fig. 6 B for the arc frame rubber blanket of the embodiment of the present application;
Fig. 7 A- Fig. 7 B are the elastic Universal support component of the embodiment of the present application;
Fig. 8 A- Fig. 8 B are the location diagram between each parts of the embodiment of the present application;
Operating diagrams of the Fig. 9 for the embodiment of the present application pipe clamp.
Description of reference numerals:Arc frame 1;Arc frame connects end block 2;Arc compact heap 3;Sealing rubber pad 4;Arc frame rubber
Pad 5;Elastic Universal support component 6;Flexible rigging 7;Unthreaded hole connects block assembly 8;Screw connects block assembly 9;Connecting bolt 10;Spiral shell
Bolt nut assembly 11;Fastening bolt 12;
Rectangle arc groove 101;Hanger 102;First through hole 103;Installation screw 104;Flexible rigging locating slot 105;Radial direction spiral shell
Hole 106;Trapezoidal groove 107;
Tapped through hole 21;First arc otic placode 22;First tapped blind hole 23;Second through hole 24;
Second arc otic placode 31;Wedge-shaped slot 32;Second blind hole 33;
Wedge shape axial direction adhesive tape 41;First trapezoidal axial adhesive tape 42;
Second trapezoidal axial adhesive tape 51;
Bracing frame 61;Band screw rod multi-directional ball 62;Elastic lining bar 63;Butterfly spring group 64;Multi-directional ball locking nut 65;Fastening
Nut 66;Third through-hole 67;
Pipe clamp 91;Pipeline 92;Leak 93.
Specific embodiment
The present invention is different from it is critical only that for prior art:1:There is latticed sealing strip using arc compact heap top pressure
Sealing rubber pad, comes blocking pipe leakage part, and sealing leak site boundary pipe surface forms the sealing side of multilayer multiple tracks
Formula, makes the present invention be applied to the closure of large area leakage, crackle or the perforation of mesohigh pipeline, and with good pipe deforming
Deviation adaptability and good sealing reliability.2:Using assembled rigid bent frame, adjustable combined arc-shaped compact heap,
Latticed sealing strip sealing rubber pad, and flexible rigging ties the unique design such as fixed, has the present invention lightweight, structure is tight
Gather simple and flexible, install and adjust easy to be laborsaving, be easy to land and plugging construction under water.
In order that the application the technical staff in the technical field is more clearly understood that the application, below in conjunction with the accompanying drawings,
Technical scheme is described in detail by specific embodiment.
Fig. 1 is refer to below, is a kind of whole structural representation of pipeline dimension repairing pipe clamp that the present invention is provided, for fixing
Leak stopping is carried out in the leakage point of pipeline.
Each composition structure of the pipe clamp of the present invention is introduced first.
Two arc frames 1, two arc frames 1 are symmetrical arranged and structure is identical, therefore, the present invention is only to one of arc
The structure of frame 1 does concrete introduction, and the structure of another arc frame 1 is identical just to be repeated no more.
The structure of arc frame 1 refer to Fig. 2A-Fig. 2 B.
Generally, the radian of arc frame 1 is less than 180 °.
The first side of arc frame 1 is provided with rectangle arc groove 101;The effect of rectangle arc groove 101 is to inlay arc frame connection end
Block 2, the rectangle arc groove 101 of two arc frames 1 inlay the two ends that arc frame connects end block 2 respectively, with this by arc frame connection end
Block 2 is embedded between the end of two arc frames 1.
Hanger 102 is welded with the middle part of the second side of the arc frame 1, there is on hanger 102 manhole.It is described
The two ends symmetrical machinings first through hole 103 of the second side of arc frame and installation screw 104.The effect of first through hole 103 be for
Fixed arc frame connects end block 2, and the effect of installation screw 104 is to fix elastic Universal support component 6.
The extrados of the arc frame 1 is provided with flexible rigging locating slot 105 and radial direction screw 106.Flexible rigging is fixed
Position groove 105 is installed for flexible rigging 7, makes flexible rigging 7 spacing in the groove of flexible rigging locating slot 105.Radial direction screw
106 is to fix arc frame connection end block 2 and arc compact heap 3.
In addition, the intrados in arc frame 1 is additionally provided with trapezoidal groove 107, primarily to connection arc frame rubber blanket 5.
The structure of arc frame connection end block 2 refer to Fig. 3 A- Fig. 3 B.
Through hole 21 is threaded in the middle part of the end face of arc frame connection end block 2, bolt is threaded into through hole 21, and withstands on arc
On 3 end face of shape compact heap, for holding out against and positioning arc compact heap 3.
In addition, there are the first arc otic placode 22, the first arc otic placode 22 and institute in the axial two ends of arc frame connection end block 2
State rectangle arc groove 101 to match;Specifically, respectively there is a first arc otic placode 22 at the axial two ends of arc frame connection end block 2, use
To be embedded in each self-corresponding rectangle arc groove 101 so that arc frame connection end block 2 is between the end of two arc frames 1,
Also, the first tapped blind hole 23, first tapped blind hole 23 and institute are machined with the middle part of the end face of the first arc otic placode 22
State 103 correspondence of first through hole;Arc frame connection end block 2 is fixed between the end of two arc frames 1 by fastening bolt 12.
In addition, the second through hole 24 is additionally provided with the first arc otic placode 22, for 106 correspondence of radial direction screw, by bolt and nut group
Arc frame connection end block 2 is further fixed in the effect of part 11.Furthermore, it is understood that the use number of arc frame connection end block 2 is also
Two pieces, between one end of two arc frames 1, another arc frame connects at end block 2 one of arc frame connection end block 2
Between the other end of two arc frames 1.
The concrete structure of arc compact heap 3 refer to Fig. 4 A- Fig. 4 B.
There is the second arc otic placode 31 in the middle part of the axial two ends of arc compact heap 3, the otic placode of the second arc otic placode 31 is big
Cambered surface radius are less than the big cambered surface radius of the rectangle arc groove 101, the little cambered surface radius ratio of otic placode of the second arc otic placode 31
The little cambered surface radius of the rectangle arc groove 101 are big.Specifically, the big cambered surface radius of otic placode of the second arc otic placode 31 are than the square
Little 2~the 3mm of big cambered surface radius of shape arc groove 101, the little cambered surface radius of otic placode of the second arc otic placode 31 are than the rectangle arc
Big 1~the 2mm of little cambered surface radius of groove 101.The second arc otic placode 31 is similar with the first arc otic placode 22, all loaded on the square
In shape arc groove 101, and respectively there is a second arc otic placode 31 at the axial two ends of arc compact heap 3, for being mounted in two arcs
In two rectangle arc grooves 101 of frame 1, so as to by arc compact heap 3 spacing between two arc frames 1, and by which radially and axle
It is limited in setting range to displacement.In addition, the second blind hole 33 is machined with the big cambered surface of the second arc otic placode 31,
Second blind hole 33 and 106 correspondence of radial direction screw, will be arc compact heap 3 spacing and fixed by bolt and nut component 11
Between two arc frames 1, certain circumferentially determines position.
In addition, the intrados two ends of arc compact heap 3 are machined with wedge-shaped slot 32, for embedding sealing rubber blanket 4.
In the embodiment of the present application, the number of arc compact heap 3 has used three, and three arc compact heaps 3 are arranged in order,
And while between two arc frame connection end blocks 2.Certainly, the number of the embodiment of the present application arc compact heap 3 herein can
To be three pieces or other numbers, here is not limited.
The structure of sealing rubber pad 4 refer to Fig. 5.
The inner sealing surface of sealing rubber pad 4 is latticed sealing joint strip, has wedge on the external seal face of the sealing rubber pad 4
Shape axial direction adhesive tape 41 and the first trapezoidal axial adhesive tape 42, the wedge shape axial direction 32 correspondence of adhesive tape 41 and the wedge-shaped slot, described the
The similar dovetail groove pair that one trapezoidal axial adhesive tape 42 is formed with the wedge-shaped slot 32 of 3 end joint of described two arc compact heaps two
Should, so that sealing rubber pad 4 is embedded in arc compact heap 3.
The structure of arc frame rubber blanket 5 refer to Fig. 6 A- Fig. 6 B.
Second trapezoidal axial adhesive tape 51, the second trapezoidal axial adhesive tape 51 are set on the external seal face of arc frame rubber blanket 5
With 107 correspondence of trapezoidal groove, connect can arc frame rubber blanket 5 and arc frame 1.In the embodiment of the present application, arc frame rubber
The number of rubber cushion 5 is also 2 pieces, and respectively with two correspondences of arc frame 1 connect.
The structural representation of elastic Universal support component 6 refer to Fig. 7 A- Fig. 7 B.
Installation screw 104 described in elastic Universal support component 6 is connected.
Specifically, elastic Universal support component 6 includes:Bracing frame 61, band screw rod multi-directional ball 62, elastic lining bar 63, butterfly
Shape groups of springs 64, multi-directional ball locking nut 65, clamp nut 66;
Third through-hole 67 is provided with support frame as described above 61, and the installation screw 104 is connected;
The first end of the elastic lining bar 63 is connected on support frame as described above 61 by the clamp nut 66;
The band screw rod multi-directional ball 62 is bottom support member, for realize axial direction of the pipe clamp on the pipeline and
Circumferential multidirectional movement;
It is described to screw in the screw at 63 second end of the elastic lining bar with screw rod multi-directional ball 62, and locked by the multi-directional ball
Tight nut 65 is locked, and realizes that the high flexibility with screw rod multi-directional ball is automatically adjusted by the butterfly spring group 64.
Two correspondences of flexible rigging 7 are arranged in respective flexible rigging locating slot 105, the two ends of the flexible rigging 7
Unthreaded hole connection block assembly 8 and screw connect block assembly 9 respectively, and the unthreaded hole connection block assembly 8 is connected block assembly 9 with the screw
Connected by connecting bolt 10.
The scope of the inner arc radius surface of the arc frame 1 is【R+4, r+6】Mm, wherein, the r is the nominal of the pipeline
Radius.
Position relationship between each parts please join Fig. 8 A- Fig. 8 B.
The first arc otic placode 22 at 22 two ends of arc frame connection end block, inserts 2 first sides respectively relatively and aligns
21 two ends of arc frame rectangle arc groove 101 in, 4 fastening bolts 12 are each passed through first through hole 103, are screwed into the first screw thread
Blind hole 23 is simultaneously fastened, and forms 1 firm bent frame 1.In addition, the bolt of bolt and nut component 11 screws in radial direction screw 106,
Into the second through hole 24, the then bolt position of the nut locking bolt and nut component 11 of bolt and nut component 11.
Second arc otic placode 31 is inserted in the rectangle arc groove 101 at 21 two ends of arc frame;The wedge shape axial direction of sealing rubber pad 4
Adhesive tape 41 and the first trapezoidal axial adhesive tape 42, are respectively pressed in each self-corresponding wedge-shaped slot 32, position sealing rubber pad 4;Arc
Position in the second trapezoidal 1 trapezoidal groove 107 of the insertion arc of axial adhesive tape 51 frame on frame rubber blanket 5.Bolt and nut component 11
Bolt screws in radial direction screw 106, in the second blind hole 33 to 3 otic placode of arc compact heap, the radial direction of spacing arc compact heap 3,
Circumferential and axial are moved, the bolt position of the nut locking bolt and nut component 11 of bolt and nut component 11.
2 flexible riggings 7 are respectively placed in the flexible rigging locating slot 105 of correspondence arc frame 1, and two ends are connected with unthreaded hole respectively
Connect block assembly 8 and screw connection block assembly 9 connects.
4 elastic Universal support components 6 are bolted together in installation screw 104 respectively;Unthreaded hole connects block assembly 8 and spiral shell
Hole connection block assembly 9 is connected by connecting bolt 10.
In the embodiment of the present application, the course of work of pipe clamp is as follows:
When the pipe leakage, pipe surface, the flexible rigging are supported on by the elastic Universal support component 6
The unthreaded hole, around pipeline section, is connected block assembly 8 by the connecting bolt 10 and the screw connects block assembly 9 and connects, made by 7
The pipe clamp is on leakage pipeline section, and makes leak is aligned substantially in the middle part of the sealing rubber pad 4;By the connecting bolt
10 effect fastens the unthreaded hole connection block assembly 8 and screw connection block assembly 9, so that the arc frame 1, the arc
Firm 1 frame of arc frame that frame connection end block 2, the arc frame rubber blanket 5 are constituted is fixed on leakage pipeline section;By fastening the arc
Bolt in frame 1,3 corresponding bolt and nut component 11 of the arc compact heap, arc compact heap 3 described in block-by-block top pressure make institute
State sealing rubber pad 4 and block leak site, and the pipe surface of seal leakage site boundary, realize sealing, then by institute
The nut in bolt and nut component 11 is stated, the bolt in the bolt and nut component 11 is locked, is completed plugging operations.
Fig. 9 is refer to below, is the operating diagram of pipe clamp.
Illustrate by taking the closure of the leakage operation pipeline 92 of a side wall erosion perforation leakage as an example, lift the present invention first and set
The pipe clamp 91 of meter, is placed at the top of 92 leak pipeline section of pipeline, and 4 elastic Universal support components 6 are supported on 92 surface of pipeline;
Unthreaded hole is connected block assembly 8 and screw contiguous block with a plurality of connecting bolt 10 in pipeline section bottom around pipeline section by 2 flexible riggings 7
Component 9 connects, and pipe clamp of the present invention 91 is gently bundled on leakage pipeline section;Pipe clamp 91 is rotated, makes to be aligned in the middle part of sealing rubber pad 4 substantially
Leak 93;Connecting bolt 10 is tightened to setting torsion, makes 2 arc frames, 1,2 arc frames of pipe clamp 91 connect end block 2 and 2
Firm 1 frame of arc frame that individual arc frame rubber blanket 5 is constituted is fixed on leakage pipeline section;Adjustment and tighten loaded on arc frame 1 with each arc
Bolt in the corresponding each bolt and nut component of shape compact heap 3 11, each arc compact heap 3 of block-by-block top pressure make 4 envelope of sealing rubber pad
Leak site, and 92 surface of pipeline of seal leakage site boundary are blocked, sealing is realized, after checking No leakage, each bolt is screwed
Nut in nut assembly 11, locks the bolt in each bolt and nut component 11;Complete plugging operations.
The implementation principle of the present invention is as follows:
The present invention, is blocked up to the local at pipe leakage using 3 top pressure sealing rubber pad 4 of arc compact heap to leakage
Leakage.
Compared with existing sealing cavate pipe clamp seal pressure is by pipeline complete cycle deformation deviation effects, the sealing pressure of the present invention
Power is only determined by the local deformation deviation of 3 top pressure pipe surface of arc compact heap, therefore has preferably deformation deviation adaptability
Higher leak stopping success rate.Pipeline medium is contacted with sealing rubber pad 4, can extend the service life of pipe clamp of the present invention.
The big arc compact heap 3 of combined type is combined into by 2 arc frames 1, arc frame connection end block 2, arc compact heap 3, it is whole
Body or monolithic are adjustable, in addition to pipeline Intermediate High Pressure is suitable for, can also make the present invention adapt to pipeline large area leakage, crackle or
Perforation etc., simple structure is flexible.
The sealing surface of sealing rubber pad 4 adopts grid type gasket structure, on the one hand by single integral sealing face, is divided into
Multiple little sealing surfaces formation multiple tracks are multi-layer sealed, improve the adaptability and reliability of sealing, on the other hand also reduce close
3 pressure of arc compact heap needed for envelope, is easy to artificial operation.
4 elastic Universal support components 6 are installed on arc frame 1, can make that the present invention is light to be moved on pipeline, be easy to
Artificial lift rapid alignment leakage position of the present invention, carries out leak stopping operation.
Block assembly 9, and single connection are connected using 2 flexible riggings, 7,1 unthreaded hole connection block assembly 8 and 1 screw
The present invention is tied after being fixed on pipeline by bolt 10, by adjusting the bolt and nut component 11 installed on arc frame 1, so as to push up
Tight each arc compact heap 3 and sealing rubber pad 4, complete seal operation, make the installation and adjustment of the present invention relative to existing close
Envelope cavate pipe clamp is easier, laborsaving, and the pipe clamp of the present invention is not only applicable to the submarine pipeline of land pipelines or dry type maintenance, also fits
For the underwater diver dimension repairing of beach shallow sea pipeline.
Due to the present invention be directed to local fast blockage at piping failure, required sealed width and arc length are significantly less than
Existing sealing cavate pipe clamp so as to weight than existing sealing cavate pipe clamp at least it is light more than half, lighter, cost of constructing
It is relatively low.
By one or more embodiment of the present invention, the invention has the advantages that or advantage:
The embodiment of the present application provides a kind of pipeline dimension repairing pipe clamp, including:Two arc frames, arc frame connection end block,
Arc compact heap, sealing rubber pad, arc frame rubber blanket, elastic Universal support component, two flexible riggings, unthreaded hole contiguous block group
Part, screw connection block assembly, connecting bolt.Combined type is combined into by 2 arc frames, arc frame connection end block, arc compact heap
Big arc compact heap, entirety or monolithic it is adjustable, in addition to pipeline Intermediate High Pressure is suitable for, can also make the present invention adapt to the big of pipeline
Area leakage, crackle or perforation etc., preferably, simple structure is flexible for adaptability.And the sealing surface of sealing rubber pad adopts grid type
Gasket structure, on the one hand by single integral sealing face, being divided into multiple little sealing surfaces, to form multiple tracks multi-layer sealed, improves
The adaptability and reliability of sealing, on the other hand also reduces the arc compact heap pressure needed for sealing, is easy to artificial operation.
In addition, 4 elastic Universal support components are provided with arc frame, can make that the present invention is light to be moved on pipeline, be easy to artificial
Rapid alignment leakage position of the present invention is moved, leak stopping operation is carried out.In addition, adopting 2 flexible riggings, 1 unthreaded hole contiguous block group
Part and 1 screw connect block assembly, and the present invention is tied after being fixed on pipeline by single connecting bolt, by adjusting arc
The bolt and nut component installed on frame, so as to hold out against each arc compact heap and sealing rubber pad, completes seal operation, makes the present invention
Installation and adjustment relative to it is existing sealing cavate pipe clamp it is easier, it is laborsaving, the present invention pipe clamp be not only applicable to land pipe
Road or the submarine pipeline of dry type maintenance, apply also for the underwater diver dimension repairing of beach shallow sea pipeline.
Although having been described for the preferred embodiment of the application, one of ordinary skilled in the art once knows substantially
Creative concept, then can make other change and modification to these embodiments.So, claims are intended to be construed to bag
Include preferred embodiment and fall into the had altered of the application scope and change.
Obviously, those skilled in the art can carry out the essence of various changes and modification without deviating from the application to the application
God and scope.So, if these modifications of the application and modification belong to the scope of the application claim and its equivalent technologies
Within, then the application is also intended to comprising these changes and modification.
Claims (6)
1. a kind of pipeline dimension repairing pipe clamp, carries out leak stopping for leakage point of the fixing in pipeline, it is characterised in that include:
Two arc frames, two arc frames are symmetrical arranged and structure is identical;The first side of the arc frame is provided with rectangle
Arc groove;Hanger, the two ends symmetrical machining of the second side of the arc frame are welded with the middle part of the second side of the arc frame
One through hole and installation screw;The extrados of the arc frame is provided with flexible rigging locating slot and radial direction screw;The arc
The intrados of frame is provided with trapezoidal groove;
Arc frame connects end block, and through hole is threaded in the middle part of end face, and there are the first arc otic placode, first arc in axial two ends
Otic placode and the rectangle arc groove match;It is machined with the first tapped blind hole in the middle part of the end face of the first arc otic placode, described first
Tapped blind hole is corresponding with the first through hole;
Arc compact heap, the intrados two ends of the arc compact heap are machined with wedge-shaped slot, have the second arc in the middle part of axial two ends
Otic placode, the big cambered surface radius of otic placode of the second arc otic placode are less than the big cambered surface radius of the rectangle arc groove, second arc
The little cambered surface radius of otic placode of shape otic placode are bigger than the little cambered surface radius of the rectangle arc groove, and the second arc otic placode is embedded in the square
In shape arc groove, the second blind hole, second blind hole and the radial direction screw in the big cambered surface of the second arc otic placode, are machined with
Correspondence;
Sealing rubber pad, the inner sealing surface of the sealing rubber pad is latticed sealing joint strip, the sealing rubber pad it is outer close
There are wedge shape axial direction adhesive tape and the first trapezoidal axial adhesive tape, the wedge shape axial direction adhesive tape and the first trapezoidal axial adhesive tape and institute on front cover
State wedge-shaped slot correspondence;
Arc frame rubber blanket, arranges the second trapezoidal axial adhesive tape, second trapezoid shaft on the external seal face of the arc frame rubber blanket
It is corresponding with the trapezoidal groove to adhesive tape;
Elastic Universal support component, the elastic Universal support component and the installation screw are connected;
Two flexible riggings, correspondence are arranged in respective flexible rigging locating slot, and the two ends of the flexible rigging connect respectively
Unthreaded hole connects block assembly and screw connection block assembly, and the unthreaded hole connection block assembly is connected block assembly by connection with the screw
Bolt connection;
When the pipe leakage, in pipe surface, the flexible rigging surround pipeline section to the elastic Universal support modular support,
The unthreaded hole is connected by block assembly by the connecting bolt and the screw connects block assembly connection, be in the pipe clamp and let out
On dew pipeline section, and make in the middle part of the sealing rubber pad, to align substantially leak;It is described by the effect fastening of the connecting bolt
Unthreaded hole connects block assembly and screw connection block assembly, so that the arc frame, arc frame connection end block, the arc frame
The firm bent frame that rubber blanket is constituted is fixed on leakage pipeline section;By fastening the arc frame, arc compact heap correspondence
Bolt and nut component in bolt, arc compact heap described in block-by-block top pressure makes the sealing rubber pad block leak site,
And the pipe surface of seal leakage site boundary, sealing is realized, then by the nut in the bolt and nut component, institute is locked
The bolt in bolt and nut component is stated, plugging operations are completed.
2. a kind of pipeline dimension as claimed in claim 1 rushes to repair pipe clamp, it is characterised in that the radian of the arc frame is less than
180°。
3. a kind of pipeline dimension as claimed in claim 1 rushes to repair pipe clamp, it is characterised in that the inner arc radius surface of the arc frame
Scope is [r+4, r+6] mm, wherein, the r is the nominal radius of the pipeline.
4. a kind of pipeline dimension repairing pipe clamp as claimed in claim 1, it is characterised in that the is additionally provided with the first arc otic placode
Two through holes, for corresponding with the radial direction screw, fix the arc frame by the effect of bolt and nut component and connect end block.
5. a kind of pipeline dimension as claimed in claim 1 rushes to repair pipe clamp, it is characterised in that the otic placode of the second arc otic placode is big
Cambered surface radius 2~3mm less than the big cambered surface radius of the rectangle arc groove, the little cambered surface radius ratio of otic placode of the second arc otic placode
Big 1~the 2mm of little cambered surface radius of the rectangle arc groove.
6. a kind of pipeline dimension as claimed in claim 1 rushes to repair pipe clamp, it is characterised in that
The elastic Universal support component includes:Bracing frame, band screw rod multi-directional ball, elastic lining bar, butterfly spring group, multi-directional ball lock
Tight nut, clamp nut;
Third through-hole is provided with support frame as described above, the third through-hole and the installation screw are connected;
The first end of the elastic lining bar is connected on support frame as described above by the clamp nut;
The band screw rod multi-directional ball is bottom support member, many for realizing axial and circumferential of the pipe clamp on the pipeline
To movement;
It is described to screw in the screw at second end of elastic lining bar with screw rod multi-directional ball, and locked by the multi-directional ball locking nut
Tightly, and by the butterfly spring group realize that the high flexibility with screw rod multi-directional ball is automatically adjusted.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510401454.4A CN105042273B (en) | 2015-07-09 | 2015-07-09 | A kind of pipeline dimension repairing pipe clamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510401454.4A CN105042273B (en) | 2015-07-09 | 2015-07-09 | A kind of pipeline dimension repairing pipe clamp |
Publications (2)
Publication Number | Publication Date |
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CN105042273A CN105042273A (en) | 2015-11-11 |
CN105042273B true CN105042273B (en) | 2017-04-05 |
Family
ID=54449071
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Application Number | Title | Priority Date | Filing Date |
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CN201510401454.4A Expired - Fee Related CN105042273B (en) | 2015-07-09 | 2015-07-09 | A kind of pipeline dimension repairing pipe clamp |
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CN (1) | CN105042273B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107489853A (en) * | 2017-10-09 | 2017-12-19 | 中国水利水电第十二工程局有限公司 | Discharge pipeline leakage compensating device |
NO345352B1 (en) * | 2019-02-05 | 2020-12-21 | Ik Norway As | Clamp device and method for repairing a damaged part of a pipe section, and use of such clamp device |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6305719B1 (en) * | 1998-10-30 | 2001-10-23 | Laurence S. Smith, Jr. | Pipe repair clamp |
GB2355293B (en) * | 1999-08-10 | 2004-03-31 | Thames Water Products Ltd | Apparatus for repairing a pipe |
IL153271A0 (en) * | 2002-12-04 | 2003-07-06 | Krausz Metal Ind Ltd | Clamp to anode connection |
CN201651663U (en) * | 2010-01-09 | 2010-11-24 | 余鸣雷 | Reducing tee forming leak clamp |
AU2013280231A1 (en) * | 2012-06-28 | 2015-01-22 | Victaulic Company | Pipe repair clamp assembly |
KR101313280B1 (en) * | 2013-05-24 | 2013-09-30 | (주) 정우카프링 | Clamp for repairing pipe |
CN204922376U (en) * | 2015-07-09 | 2015-12-30 | 中国石油天然气集团公司 | Pipe strap is salvageed to pipeline dimension |
-
2015
- 2015-07-09 CN CN201510401454.4A patent/CN105042273B/en not_active Expired - Fee Related
Also Published As
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CN105042273A (en) | 2015-11-11 |
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