CN204922376U - Pipe strap is salvageed to pipeline dimension - Google Patents

Abstract

The utility model discloses a pipe strap is salvageed to pipeline dimension, include: end block is connected to two arc frames, arc frame, the arc compact heap, and the sealing rubber pad, arc frame rubber pad, the universal supporting component of elasticity, two flexible riggings, unthreaded hole connecting block subassembly, screw connecting block subassembly, connecting bolt, the utility model is suitable for a large tracts of land leakage, crackle or the fenestrate quick shutoff of middle and high voltage pipeline, can adapt to great pipeline deviation and deformation, the leaking stoppage success rate is high, light in weight, and the installation is adjusted portably, the diver underwater construction of being convenient for.

Description

A kind of pipeline dimension repairing pipe clamp

Technical field

The application relates to pipeline maintenance field, particularly relates to a kind of pipeline dimension repairing pipe clamp.

Background technique

Mechanical pipe dimension repairing pipe clamp, because of its in Process of Leaking Stoppage without the need to welding, speed of application is fast, and is widely adopted at the perforation of operation corrosive pipeline, weld metal crack and damaging in the little dimension repairing operation such as unexpected damaged.

Current mechanical pipe dimension repairing pipe clamp generally all adopts sealing cavity structure, cross bolt by 2 semicircle half cartoons to connect as one, sealed by axial sealing stripe between 2 half cards, be placed on pipe leakage place, jig two ends and pipeline enclosure space are sealed by circumferential seal bar again, and form an annular seal space in leak, realize the shutoff of pipe leakage.

The advantage of this kind of jig is the leakage that can adapt to more damaged form and larger damaged area, can on-line production leak stopping.But its service condition and definitive application pressure will be subject to outside diameter tolerance degree and the form and position tolerance restriction of pipeline whole circumferential seal place one circle, therefore higher to the requirement of the pipe diameter degree of deviation and form and position tolerance, limit its applicability; And jig inwall directly contacts with pressure fed sheet of a media, the large bearing capacity that needs of area of contact is large, and thus pipe clamp wall thickness is thicker, heavy; In addition, its installation specification is high, needs stricter erection sequence, needs skew symmetry evenly repeatedly to apply pretightening force piecemeal when bolt tightens, and guarantee jig and pipeline gap and uniform force, reach the shutoff pressure of expection; Two halves card adopts stud bolt assemblies to connect, and pretightening force needed for bolt is large, and generally need pneumatic or hydraulic tool auxiliary construction, therefore, fitting operation program is loaded down with trivial details, and technical difficulty is large.

Therefore, because the requirement of existing pipe clamp to the pipe diameter degree of deviation and form and position tolerance is high, equipment is thick and heavy, and installation procedure is loaded down with trivial details, and installation requirement is high, and install more difficult, pipe clamp adaptability is poor, and overall leak stopping success rate can be caused lower.

Model utility content

The utility model provides a kind of pipeline dimension repairing pipe clamp, less with the adaptation pipe deforming solving existing mechanical pipe dimension repairing pipe clamp, technical problem that leak stopping success rate is lower.

For solving the problems of the technologies described above, the utility model provides a kind of pipeline dimension repairing pipe clamp, carrying out leak stopping, comprising for fixing at the leakage point of pipeline:

Two arc frames, two described arc frames are symmetrical arranged and structure is identical; First side of described arc frame has rectangle arc groove; The middle part of the second side of described arc frame is welded with hanger, two ends symmetrical machining first through hole of the second side of described arc frame and installation screw; Outer arced surface along described arc frame is provided with flexible rigging locating slot and radial screw; The intrados of described arc frame is provided with trapezoidal groove;

Arc frame connects end block, and be processed with tapped through hole in the middle part of end face, there is the first arc otic placode at axial two ends, and described first arc otic placode and described rectangle arc groove match; The first tapped blind hole is processed with, described first tapped blind hole and described first through hole correspondence in the middle part of the end face of described first arc otic placode;

Arc compact heap, the intrados two ends of described arc compact heap are processed with wedge slot, the second arc otic placode is had in the middle part of axial two ends, the large cambered surface radius of otic placode of described second arc otic placode is less than the large cambered surface radius of described rectangle arc groove, the little cambered surface radius of otic placode of described second arc otic placode is larger than the little cambered surface radius of described rectangle arc groove, described second arc otic placode embeds in described rectangle arc groove, the large cambered surface of described second arc otic placode is processed with the second blind hole, described second blind hole and described radial screw correspondence;

Sealing rubber pad, the inner sealing surface of described sealing rubber pad is latticed sealing joint strip, the external sealed face of described sealing rubber pad has the axial adhesive tape of wedge shape and the first trapezoid shaft to adhesive tape, the axial adhesive tape of described wedge shape and the first trapezoid shaft corresponding with described wedge slot to adhesive tape;

Arc frame rubber pad, the external sealed face of described arc frame rubber pad arranges the second trapezoid shaft to adhesive tape, and described second trapezoid shaft is to adhesive tape and described trapezoidal groove correspondence;

Elasticity Universal support assembly, and described installation screw is connected;

Two flexible riggings, correspondence is arranged in respective locating slot, and the two ends of described flexible rigging connect unthreaded hole contiguous block assembly and screw contiguous block assembly respectively, and described unthreaded hole contiguous block assembly is connected by connecting bolt with described screw contiguous block assembly;

When described pipe leakage, described elasticity Universal support modular support is at pipe surface, described flexible rigging is around pipeline section, by described connecting bolt, described unthreaded hole contiguous block assembly is connected with described screw contiguous block assembly, described pipe clamp is in reveal on pipeline section, and makes substantially to align Leak hole in the middle part of described sealing rubber pad; By the fastening described connection unthreaded hole contiguous block assembly of the effect of described connecting bolt and described screw contiguous block assembly, be fixed on leakage pipeline section to make the firm bent frame that described arc frame, described arc frame connect end block, described arc frame rubber pad is formed; By the bolt in the bolt and nut component that fastening described arc frame, described arc compact heap are corresponding, described arc compact heap is pressed on block-by-block top, described sealing rubber pad is made to block leak site, and the pipe surface of seal leakage site boundary, realize sealing, then by the nut in described bolt and nut component, lock the bolt in described bolt and nut component, complete plugging operations.

Preferably, the radian of described arc frame is less than 180 °.

Preferably, the scope of the intrados radius of described arc frame is [r+4, r+6] mm, and wherein, described r is the nominal radius of described pipeline.

Preferably, the first arc otic placode is also provided with the second through hole, is used for and described radial screw correspondence, fixes described arc frame by the effect of bolt and nut component and connect end block.

Preferably, the large cambered surface radius of the otic placode 2 ~ 3mm less of the large cambered surface radius of described rectangle arc groove of described second arc otic placode, the little cambered surface radius of the otic placode 1 ~ 2mm larger than the little cambered surface radius of described rectangle arc groove of described second arc otic placode.

Preferably, described elasticity Universal support assembly comprises: supporting frame, band screw rod univesal sphere, elasticity lining bar, butterfly spring group, univesal sphere locking nut, tightening nut;

Support frame as described above is provided with third through-hole, and described installation screw is connected;

The first end of described elasticity lining bar is connected on support frame as described above by described tightening nut;

Described band screw rod univesal sphere is bottom support member, for realizing the multidirectional movement of the axial and circumferential of described pipe clamp on described pipeline;

Described band screw rod univesal sphere screws in the screw of described elasticity lining bar second end, and by the locking of described univesal sphere locking nut, and is automatically regulated by the high flexibility that described butterfly spring group realizes described band screw rod univesal sphere.

By one or more technological scheme of the present utility model, the utility model has following beneficial effect or advantage:

The embodiment of the present application provides a kind of pipeline dimension repairing pipe clamp, and comprising: two arc frames, arc frame connects end block, arc compact heap, sealing rubber pad, arc frame rubber pad, elasticity Universal support assembly, two flexible riggings, unthreaded hole contiguous block assembly, screw contiguous block assembly, connecting bolt.The large arc compact heap of combined type is combined into by 2 arc frames, arc frame connection end block, arc compact heap, overall or monolithic is all adjustable, except can adapting to pipeline Intermediate High Pressure, also can make the large size leakage of the utility model adaptation pipeline, crackle or perforation etc., adaptability is better, structure simple and flexible.And the sealing surface of sealing rubber pad adopts gridding type gasket structure, on the one hand by single integral sealing face, be divided into multiple little sealing surface formation multiple tracks multi-layer sealed, improve adaptability and the reliability of sealing, also reduce the arc compact heap pressure needed for sealing on the other hand, be convenient to manual operation.In addition, arc frame is provided with 4 elasticity Universal support assemblies, light the moving on pipeline of the utility model can be made, be convenient to manually move the utility model rapid alignment leakage position, carry out leak stopping operation.In addition, adopt 2 flexible riggings, 1 unthreaded hole contiguous block assembly and 1 screw contiguous block assembly, and the utility model is tied and is fixed on after on pipeline by single connecting bolt, by the bolt and nut component that adjustment arc frame is installed, thus hold out against each arc compact heap and sealing rubber pad, complete seal operation, make install and adjust of the present utility model easier relative to existing sealing cavate pipe clamp, laborsaving, pipe clamp of the present utility model is not only applicable to the submarine pipeline of land pipelines or drying maintain, is also applicable to the underwater diver dimension repairing of beach shallow sea pipeline.

Further, due to the local instantaneous leaking-stopping that the utility model is for piping failure place, required sealed width and arc length are all significantly less than existing sealing cavate pipe clamp, make its weight ratio existing sealing cavate pipe clamp at least gently over half, construct lighter, cost is lower.

Accompanying drawing explanation

Fig. 1 is the whole structural representation of a kind of pipeline dimension repairing pipe clamp in the embodiment of the present application;

Fig. 2 A-Fig. 2 B is the structural drawing of the embodiment of the present application arc frame;

Fig. 3 A-Fig. 3 B is the structural drawing that the embodiment of the present application arc frame connects end block;

Fig. 4 A-Fig. 4 B is the concrete structure figure of the embodiment of the present application arc compact heap;

Fig. 5 is the structural drawing of the sealing rubber pad of the embodiment of the present application;

Fig. 6 A-Fig. 6 B is the structural drawing of the arc frame rubber pad of the embodiment of the present application;

Fig. 7 A-Fig. 7 B is the elasticity Universal support assembly of the embodiment of the present application;

Fig. 8 A-Fig. 8 B is the location diagram between each component of the embodiment of the present application;

Fig. 9 is the operating diagram of 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; Elasticity Universal support assembly 6; Flexible rigging 7; Unthreaded hole contiguous block assembly 8; Screw contiguous block assembly 9; Connecting bolt 10; Bolt and nut component 11; Clamping bolt 12;

Rectangle arc groove 101; Hanger 102; First through hole 103; Installation screw 104; Flexible rigging locating slot 105; Radial screw 106; Trapezoidal groove 107;

Tapped through hole 21; First arc otic placode 22; First blind hole 23; Second through hole 24;

Second arc otic placode 31; Wedge slot 32; Second blind hole 33;

The axial adhesive tape 41 of wedge shape; First trapezoid shaft is to adhesive tape 42;

Second trapezoid shaft is to adhesive tape 51;

Supporting frame 61; Band screw rod univesal sphere 62; Elasticity lining bar 63; Butterfly spring group 64; Univesal sphere locking nut 65; Tightening nut 66; Third through-hole 67;

Pipe clamp 91; Pipeline 92; Leak hole 93.

Embodiment

The key that the utility model is different from prior art is: 1: utilize arc compact heap top pressing element to have the sealing rubber pad of latticed Stamping Steel Ribbon, carry out blocking pipe leakage part, seal leakage site boundary pipe surface, form the sealing means of multilayer multiple tracks, the large size making the utility model be applicable to mesohigh pipeline is leaked, the shutoff of crackle or perforation, and has good pipe deforming deviation adaptability and good sealing reliability.2: adopt assembled rigid bent frame, adjustable combined arc-shaped compact heap, latticed Stamping Steel Ribbon sealing rubber pad, to tie the unique design such as fixing with flexible rigging, the utility model is had lightweight, compact structure simple and flexible, installs and regulates easy to be laborsaving, be convenient to land and plugging construction under water.

In order to make the application the technical staff in the technical field more clearly understand the application, below in conjunction with accompanying drawing, by specific embodiment, technical scheme is described in detail.

Please refer to Fig. 1 below, being the whole structural representation of a kind of pipeline dimension repairing pipe clamp that the utility model provides, carrying out leak stopping for fixing at the leakage point of pipeline.

First introduce each composition structure of pipe clamp of the present utility model.

Two arc frames, 1, two arc frames 1 are symmetrical arranged and structure is identical, and therefore, the utility model only does concrete introduction to the structure of one of them arc frame 1, and the structure of another arc frame 1 is identical just to be repeated no more.

The structure of arc frame 1 please refer to Fig. 2 A-Fig. 2 B.

Generally, the radian of arc frame 1 is less than 180 °.

First side of arc frame 1 has rectangle arc groove 101; The effect of rectangle arc groove 101 inlays rectangle arc groove 101 that arc frame connects end block 2, two arc frames 1 to inlay the two ends that arc frame connects end block 2 respectively, with this, arc frame connected end block 2 and be embedded between the end of two arc frames 1.

The middle part of the second side of described arc frame 1 is welded with hanger 102, hanger 102 has a manhole.Two ends symmetrical machining first through hole 103 of the second side of described arc frame and installation screw 104.The effect of the first through hole 103 is that the effect of installation screw 104 is in order to fixing elasticity Universal support assembly 6 in order to fixing arc frame connects end block 2.

Outer arced surface along described arc frame 1 is provided with flexible rigging locating slot 105 and radial screw 106.Flexible rigging locating slot 105 installs for flexible rigging 7, makes flexible rigging 7 spacing in the groove of flexible rigging locating slot 105.Radial screw 106 is in order to fixing arc frame connects end block 2 and arc compact heap 3.

In addition, be also provided with trapezoidal groove 107 at the intrados of arc frame 1, mainly in order to connect arc frame rubber pad 5.

The structure that arc frame connects end block 2 please refer to Fig. 3 A-Fig. 3 B.

Be processed with tapped through hole 21 in the middle part of the end face of arc frame connection end block 2, bolt is screwed into tapped through hole 21, and withstands on arc compact heap 3 end face, for holding out against and locate arc compact heap 3.

In addition, there is the first arc otic placode 22 at the axial two ends that arc frame connects end block 2, and described first arc otic placode 22 and described rectangle arc groove 101 match; Specifically, respectively there is a first arc otic placode 22 at the axial two ends that arc frame connects end block 2, be used for being embedded in each self-corresponding rectangle arc groove 101, making arc frame connect end block 2 is between the end of two arc frames 1, and, the first tapped blind hole 23 is processed with, described first tapped blind hole 23 and described first through hole 103 correspondence in the middle part of the end face of described first arc otic placode 22; By clamping bolt 12, arc frame is connected end block 2 to be fixed between the end of two arc frames 1.In addition, the first arc otic placode 22 is also provided with the second through hole 24, is used for and radial screw 106 correspondence, fixes arc frame further by the effect of bolt and nut component 11 and connect end block 2.Furthermore, the use number that arc frame connects end block 2 is also two pieces, and one of them arc frame connects end block 2 and is between one end of two arc frames 1, and another arc frame connects end block 2 and is between the other end of two arc frames 1.

The concrete structure of arc compact heap 3 please refer to Fig. 4 A-Fig. 4 B.

The second arc otic placode 31 is had in the middle part of the axial two ends of arc compact heap 3, the large cambered surface radius of otic placode of described second arc otic placode 31 is less than the large cambered surface radius of described rectangle arc groove 101, and the little cambered surface radius of otic placode of described second arc otic placode 31 is larger than the little cambered surface radius of described rectangle arc groove 101.Specifically, the large cambered surface radius of the otic placode 2 ~ 3mm less of the large cambered surface radius of described rectangle arc groove 101 of the second arc otic placode 31, the little cambered surface radius of the otic placode 1 ~ 2mm larger than the little cambered surface radius of described rectangle arc groove 101 of described second arc otic placode 31.Described second arc otic placode 31 and the first arc otic placode 22 similar, all be loaded in described rectangle 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 contained in two rectangle arc grooves 101 of two arc frames 1, thus by spacing for arc compact heap 3 between two arc frames 1, and its radial and axial displacement distance is limited in setting range.In addition, the large cambered surface of described second arc otic placode 31 is processed with the second blind hole 33, described second blind hole 33 and described radial screw 106 are corresponding, by bolt and nut component 11 by spacing for arc compact heap 3 and be fixed on certain circumference between two arc frames 1 and determine position.

In addition, the intrados two ends of arc compact heap 3 are processed with wedge slot 32, are used for embedding sealing rubber pad 4.

In the embodiment of the present application, the number of arc compact heap 3 employs three, and three arc compact heaps 3 are arranged in order, and is between two arc frames connection end blocks 2 simultaneously.Certainly, the number of the embodiment of the present application arc compact heap 3 herein can be three pieces or other numbers, does not limit at this.

The structure of sealing rubber pad 4 please refer to Fig. 5.

The inner sealing surface of sealing rubber pad 4 is latticed sealing joint strip, the external sealed face of described sealing rubber pad 4 there are the axial adhesive tape 41 of wedge shape and the first trapezoid shaft to adhesive tape 42, the axial adhesive tape 41 of described wedge shape and described wedge slot 32 correspondence, the similar dovetail groove that described first trapezoid shaft is formed to adhesive tape 42 and two, connecting part, described two arc compact heap 3 ends wedge slot 32 is corresponding, embeds in arc compact heap 3 to make sealing rubber pad 4.

The structure of arc frame rubber pad 5 please refer to Fig. 6 A-Fig. 6 B.

The external sealed face of arc frame rubber pad 5 is arranged the second trapezoid shaft to adhesive tape 51, described second trapezoid shaft, to adhesive tape 51 and described trapezoidal groove 107 correspondence, can make arc frame rubber pad 5 be connected with arc frame 1.In the embodiment of the present application, the number of arc frame rubber pad 5 is also 2 pieces, and respectively with two arc frame 1 correspondences are connected.

The structural representation of elasticity Universal support assembly 6 please refer to Fig. 7 A-Fig. 7 B.

Described in elasticity Universal support assembly 6, installation screw 104 is connected.

Specifically, elasticity Universal support assembly 6 comprises: supporting frame 61, band screw rod univesal sphere 62, elasticity lining bar 63, butterfly spring group 64, univesal sphere locking nut 65, tightening nut 66;

Support frame as described above 61 is provided with third through-hole 67, and described installation screw 104 is connected;

The first end of described elasticity lining bar 63 is connected on support frame as described above 61 by described tightening nut 66;

Described band screw rod univesal sphere 62 is bottom support member, for realizing the multidirectional movement of the axial and circumferential of described pipe clamp on described pipeline;

Described band screw rod univesal sphere 62 screws in the screw of described elasticity lining bar 63 second end, and is locked by described univesal sphere locking nut 65, and is automatically regulated by the high flexibility that described butterfly spring group 64 realizes described band screw rod univesal sphere.

Two flexible rigging 7 correspondences are arranged in respective flexible rigging locating slot 105, the two ends of described flexible rigging 7 connect unthreaded hole contiguous block assembly 8 and screw contiguous block assembly 9 respectively, and described unthreaded hole contiguous block assembly 8 is connected by connecting bolt 10 with described screw contiguous block assembly 9.

The scope of the intrados radius of described arc frame 1 is [r+4, r+6] mm, and wherein, described r is the nominal radius of described pipeline.

Position relationship please refer to the drawing 8A-Fig. 8 B between each component.

2 arc frames connect the first arc otic placode 22 at end block 2 two ends, insert 2 the first sides respectively relatively and in the rectangle arc groove 101 at 2 arc frame 1 two ends of alignment, 4 clamping bolts 12 are each passed through the first through hole 103, are screwed into the first blind hole 23 and fastening, form 1 firm bent frame 1.In addition, the bolt of bolt and nut component 11 screws in radial screw 106, in the second through hole 24, and the then bolt position of the nut locking bolt and nut component 11 of bolt and nut component 11.

Second arc otic placode 31 inserts in the rectangle arc groove 101 at 2 arc frame 1 two ends; The axial adhesive tape 41 of wedge shape of sealing rubber pad 4 and the first trapezoid shaft, to adhesive tape 42, are pressed into respectively in each self-corresponding wedge slot 32, sealing rubber pad 4 are located; The second trapezoid shaft on arc frame rubber pad 5 inserts in the trapezoidal groove 107 of arc frame 1 to adhesive tape 51 and locates.The bolt of bolt and nut component 11 screws in radial screw 106, and in the second blind hole 33 on arc compact heap 3 otic placode, radial direction, the circumferential and axial of spacing arc compact heap 3 move, the bolt position of the nut locking bolt and nut component 11 of bolt and nut component 11.

Article 2, the flexible rigging locating slot 105 being respectively placed in corresponding arc frame 1 of flexible rigging 7, two ends are connected with unthreaded hole contiguous block assembly 8 and screw contiguous block assembly 9 respectively.

4 elasticity Universal support assemblies 6 are bolted together in installation screw 104 respectively; Unthreaded hole contiguous block assembly 8 is connected by connecting bolt 10 with screw contiguous block assembly 9.

In the embodiment of the present application, the working procedure of pipe clamp is as follows:

When described pipe leakage, pipe surface is supported on by described elasticity Universal support assembly 6, described flexible rigging 7 is around pipeline section, by described connecting bolt 10, described unthreaded hole contiguous block assembly 8 is connected with described screw contiguous block assembly 9, described pipe clamp is in reveal on pipeline section, and makes substantially to align Leak hole in the middle part of described sealing rubber pad 4; By the fastening described connection unthreaded hole contiguous block assembly 8 of the effect of described connecting bolt 10 and described screw contiguous block assembly 9, be fixed on leakage pipeline section to make firm arc frame 1 frame that described arc frame 1, described arc frame connect end block 2, described arc frame rubber pad 5 is formed; By the bolt in the bolt and nut component 11 of fastening described arc frame 1, described arc compact heap 3 correspondence, described arc compact heap 3 is pressed on block-by-block top, described sealing rubber pad 4 is made to block leak site, and the pipe surface of seal leakage site boundary, realize sealing, then by the nut in described bolt and nut component 11, lock the bolt in described bolt and nut component 11, complete plugging operations.

Please refer to Fig. 9 below, is the operating diagram of pipe clamp.

The shutoff of the leakage operation pipeline 92 leaked for a sidewall corrosion failure illustrates, first lift the pipe clamp 91 of the utility model design, be placed on pipeline 92 leak pipeline section top, 4 elasticity Universal support assemblies 6 are supported on pipeline 92 on the surface; Article 2, flexible rigging 7 is around pipeline section, is connected by unthreaded hole contiguous block assembly 8 bottom pipeline section with many connecting bolts 10 with screw contiguous block assembly 9, the utility model pipe clamp 91 is gently bundled in and reveals on pipeline section; Rotate pipe clamp 91, make substantially to align Leak hole 93 in the middle part of sealing rubber pad 4; Tighten connecting bolt 10 to setting torsion, firm arc frame 1 frame making 2 of pipe clamp 91 arc frames 1,2 arc frames connect end block 2 and 2 arc frame rubber pad 5 formations is fixed on leakage pipeline section; Adjust and tighten the bolt be loaded in each bolt and nut component 11 corresponding with each arc compact heap 3 on arc frame 1, each arc compact heap 3 is pressed on block-by-block top, sealing rubber pad 4 is made to block leak site, and the pipeline 92 of seal leakage site boundary is surperficial, realize sealing, after checking No leakage, screw the nut in each bolt and nut component 11, lock the bolt in each bolt and nut component 11; Complete plugging operations.

Enforcement principle of the present utility model is as follows:

The utility model adopts arc compact heap 3 to push up means of press seals rubber pad 4 to leakage place, in order to the local leak stopping at pipe leakage place.

Be out of shape compared with deviation effects with existing sealing cavate pipe clamp sealing load by pipeline complete cycle, the local deformation deviation that sealing load of the present utility model only pushes up pressure pipeline surface by arc compact heap 3 determines, therefore has better distortion deviation adaptability and Geng Gao leak stopping success rate.Cemented filling medium contacts with sealing rubber pad 4, can extend the working life of the utility model pipe clamp.

The large 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, overall or monolithic is all adjustable, except can adapting to pipeline Intermediate High Pressure, also can make the large size leakage of the utility model adaptation pipeline, crackle or perforation etc., structure simple and flexible.

The sealing surface of sealing rubber pad 4 adopts gridding type gasket structure, on the one hand by single integral sealing face, be divided into multiple little sealing surface formation multiple tracks multi-layer sealed, improve adaptability and the reliability of sealing, also reduce arc compact heap 3 pressure needed for sealing on the other hand, be convenient to manual operation.

Arc frame 1 is provided with 4 elasticity Universal support assemblies 6, light the moving on pipeline of the utility model can be made, be convenient to manually move the utility model rapid alignment leakage position, carry out leak stopping operation.

Adopt 2 flexible riggings 7, 1 unthreaded hole contiguous block assembly 8 and 1 screw contiguous block assembly 9, and the utility model is tied and is fixed on after on pipeline by single connecting bolt 10, by the bolt and nut component 11 that adjustment arc frame 1 is installed, thus hold out against each arc compact heap 3 and sealing rubber pad 4, complete seal operation, make install and adjust of the present utility model easier relative to existing sealing cavate pipe clamp, laborsaving, pipe clamp of the present utility model is not only applicable to the submarine pipeline of land pipelines or drying maintain, also be applicable to the underwater diver dimension repairing of beach shallow sea pipeline.

Due to the local instantaneous leaking-stopping that the utility model is for piping failure place, required sealed width and arc length are all significantly less than existing sealing cavate pipe clamp, and make its weight ratio existing sealing cavate pipe clamp at least gently over half, construct lighter, cost is lower.

By one or more embodiment of the present utility model, the utility model has following beneficial effect or advantage:

The embodiment of the present application provides a kind of pipeline dimension repairing pipe clamp, and comprising: two arc frames, arc frame connects end block, arc compact heap, sealing rubber pad, arc frame rubber pad, elasticity Universal support assembly, two flexible riggings, unthreaded hole contiguous block assembly, screw contiguous block assembly, connecting bolt.The large arc compact heap of combined type is combined into by 2 arc frames, arc frame connection end block, arc compact heap, overall or monolithic is all adjustable, except can adapting to pipeline Intermediate High Pressure, also can make the large size leakage of the utility model adaptation pipeline, crackle or perforation etc., adaptability is better, structure simple and flexible.And the sealing surface of sealing rubber pad adopts gridding type gasket structure, on the one hand by single integral sealing face, be divided into multiple little sealing surface formation multiple tracks multi-layer sealed, improve adaptability and the reliability of sealing, also reduce the arc compact heap pressure needed for sealing on the other hand, be convenient to manual operation.In addition, arc frame is provided with 4 elasticity Universal support assemblies, light the moving on pipeline of the utility model can be made, be convenient to manually move the utility model rapid alignment leakage position, carry out leak stopping operation.In addition, adopt 2 flexible riggings, 1 unthreaded hole contiguous block assembly and 1 screw contiguous block assembly, and the utility model is tied and is fixed on after on pipeline by single connecting bolt, by the bolt and nut component that adjustment arc frame is installed, thus hold out against each arc compact heap and sealing rubber pad, complete seal operation, make install and adjust of the present utility model easier relative to existing sealing cavate pipe clamp, laborsaving, pipe clamp of the present utility model is not only applicable to the submarine pipeline of land pipelines or drying maintain, is also applicable to the underwater diver dimension repairing of beach shallow sea pipeline.

Although described the preferred embodiment of the application, one of ordinary skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the application's scope.

Obviously, those skilled in the art can carry out various change and modification to the application and not depart from the spirit and scope of the application.Like this, if these amendments of the application and modification belong within the scope of the application's claim and equivalent technologies thereof, then the application is also intended to comprise these change and modification.

Claims (6)

1. a pipeline dimension repairing pipe clamp, carrying out leak stopping for fixing at the leakage point of pipeline, it is characterized in that, comprise:

Two arc frames, two described arc frames are symmetrical arranged and structure is identical; First side of described arc frame has rectangle arc groove; The middle part of the second side of described arc frame is welded with hanger, two ends symmetrical machining first through hole of the second side of described arc frame and installation screw; Outer arced surface along described arc frame is provided with flexible rigging locating slot and radial screw; The intrados of described arc frame is provided with trapezoidal groove;

Arc frame connects end block, and be processed with tapped through hole in the middle part of end face, there is the first arc otic placode at axial two ends, and described first arc otic placode and described rectangle arc groove match; The first tapped blind hole is processed with, described first tapped blind hole and described first through hole correspondence in the middle part of the end face of described first arc otic placode;

Arc compact heap, the intrados two ends of described arc compact heap are processed with wedge slot, the second arc otic placode is had in the middle part of axial two ends, the large cambered surface radius of otic placode of described second arc otic placode is less than the large cambered surface radius of described rectangle arc groove, the little cambered surface radius of otic placode of described second arc otic placode is larger than the little cambered surface radius of described rectangle arc groove, described second arc otic placode embeds in described rectangle arc groove, the large cambered surface of described second arc otic placode is processed with the second blind hole, described second blind hole and described radial screw correspondence;

Sealing rubber pad, the inner sealing surface of described sealing rubber pad is latticed sealing joint strip, the external sealed face of described sealing rubber pad has the axial adhesive tape of wedge shape and the first trapezoid shaft to adhesive tape, the axial adhesive tape of described wedge shape and the first trapezoid shaft corresponding with described wedge slot to adhesive tape;

Arc frame rubber pad, the external sealed face of described arc frame rubber pad arranges the second trapezoid shaft to adhesive tape, and described second trapezoid shaft is to adhesive tape and described trapezoidal groove correspondence;

Elasticity Universal support assembly, and described installation screw is connected;

Two flexible riggings, correspondence is arranged in respective flexible rigging locating slot, and the two ends of described flexible rigging connect unthreaded hole contiguous block assembly and screw contiguous block assembly respectively, and described unthreaded hole contiguous block assembly is connected by connecting bolt with described screw contiguous block assembly;

When described pipe leakage, described elasticity Universal support modular support is at pipe surface, described flexible rigging is around pipeline section, by described connecting bolt, described unthreaded hole contiguous block assembly is connected with described screw contiguous block assembly, described pipe clamp is in reveal on pipeline section, and makes substantially to align Leak hole in the middle part of described sealing rubber pad; By the fastening described connection unthreaded hole contiguous block assembly of the effect of described connecting bolt and described screw contiguous block assembly, be fixed on leakage pipeline section to make the firm bent frame that described arc frame, described arc frame connect end block, described arc frame rubber pad is formed; By the bolt in the bolt and nut component that fastening described arc frame, described arc compact heap are corresponding, described arc compact heap is pressed on block-by-block top, described sealing rubber pad is made to block leak site, and the pipe surface of seal leakage site boundary, realize sealing, then by the nut in described bolt and nut component, lock the bolt in described bolt and nut component, complete plugging operations.

2. a kind of pipeline dimension repairing pipe clamp as claimed in claim 1, it is characterized in that, the radian of described arc frame is less than 180 °.

3. a kind of pipeline dimension repairing pipe clamp as claimed in claim 1, it is characterized in that, the scope of the intrados radius of described arc frame is [r+4, r+6] mm, and wherein, described r is the nominal radius of described pipeline.

4. a kind of pipeline dimension repairing pipe clamp as claimed in claim 1, is characterized in that, the first arc otic placode is also provided with the second through hole, is used for and described radial screw correspondence, fixes described arc frame connect end block by the effect of bolt and nut component.

5. a kind of pipeline dimension repairing pipe clamp as claimed in claim 1, it is characterized in that, the large cambered surface radius of the otic placode 2 ~ 3mm less of the large cambered surface radius of described rectangle arc groove of described second arc otic placode, the little cambered surface radius of the otic placode 1 ~ 2mm larger than the little cambered surface radius of described rectangle arc groove of described second arc otic placode.

6. a kind of pipeline dimension repairing pipe clamp as claimed in claim 1, is characterized in that,

Described elasticity Universal support assembly comprises: supporting frame, band screw rod univesal sphere, elasticity lining bar, butterfly spring group, univesal sphere locking nut, tightening nut;

Support frame as described above is provided with third through-hole, and described installation screw is connected;

The first end of described elasticity lining bar is connected on support frame as described above by described tightening nut;

Described band screw rod univesal sphere is bottom support member, for realizing the multidirectional movement of the axial and circumferential of described pipe clamp on described pipeline;

Described band screw rod univesal sphere screws in the screw of described elasticity lining bar second end, and by the locking of described univesal sphere locking nut, and is automatically regulated by the high flexibility that described butterfly spring group realizes described band screw rod univesal sphere.