CN104266032B - Mechanical first-aid repair clamp for pipeline - Google Patents
Mechanical first-aid repair clamp for pipeline Download PDFInfo
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- CN104266032B CN104266032B CN201410483050.XA CN201410483050A CN104266032B CN 104266032 B CN104266032 B CN 104266032B CN 201410483050 A CN201410483050 A CN 201410483050A CN 104266032 B CN104266032 B CN 104266032B
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- pipeline
- mechanical
- shaped slips
- wall
- aid clamp
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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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
- Clamps And Clips (AREA)
Abstract
The invention discloses a mechanical first-aid repair clamp for a pipeline and belongs to the technical field of pipeline maintenance and first-aid repair devices. An accommodating space is formed by an upper housing, a lower housing and a sealing assembly of the mechanical first-aid repair clamp, a pipeline leakage point is accommodated in the accommodating space, and the remaining space of the accommodating space is closed after the pipeline is accommodated in the accommodating space. Therefore, the mechanical first-aid repair clamp can be used for sealing the pipeline leakage point. A first set of integral zigzag slips for a first set of pipelines and a second set of integral zigzag slips for a second set of pipelines of the mechanical first-aid repair clamp can prevent relative motion between the inner walls of the slips and the outer walls of the pipelines, and the integral zigzag slips for the first set of pipelines and the integral zigzag slips for the second set of pipelines can further prevent relative motion between the outer walls of the integral zigzag slips and the inner walls of the housings. Therefore, the mechanical first-aid repair clamp can prevent the relative motion between the sealing mechanism and the outer walls of the pipelines when being applied.
Description
Technical field
The present invention relates to pipeline dimension repairing device technical field, more particularly to a kind of pipeline machinery first-aid clamp.
Background technology
In prior art, when leaking occurs in pipeline, it is sometimes desirable to by the leak external sealing mechanism, but due to pipe
Road itself is cylindrical, generally needs hoop in pipeline outer wall for external sealing mechanism thereon, as pipeline is in itself
Cylindrical shape, binds round sealing mechanism easily slip relative with pipeline generation on its external wall, and causes the sealing mechanism with the pipeline
Outer wall is that center of rotation rotates or along pipeline axial direction left and right translation.Particularly when the sealing mechanism is for sealing Submarine Pipeline
During road, which is in the presence of ocean current cross force, once there is the relative motion between the sealing mechanism and pipeline, can give production peace
Bring entirely great problem.
The content of the invention
In order to solve the above problems, the present invention proposes a kind of can prevention between external sealing mechanism and pipeline outer wall
The pipeline of relative motion machinery first-aid clamp.
The pipeline machinery first-aid clamp that the present invention is provided includes housing, black box, and first group of pipeline is back-shaped with entirety
Slips, second group of pipeline overall back-shaped slips, the first securing member and second securing member, the housing include upper shell,
Lower house, using when, the upper shell and lower house are fixed together by the first securing member, and second securing member is used
In by first group of pipeline overall back-shaped slips and second group of pipeline, integrally back-shaped slips is compacted to the housing respectively
On inwall, the upper shell, accommodation space between lower house and black box, is formed, the pipe leakage point is placed in the appearance
Among between being empty, after housing the pipeline, the remaining space of the accommodation space is closed;First group of pipeline is back-shaped with entirety
Slips and the overall back-shaped slips of second group of pipeline can prevent the overall back-shaped slips inwall of the pipeline and pipeline outer wall it
Between relative motion, integrally back-shaped slips can also be prevented for the overall back-shaped slips of first group of pipeline and second group of pipeline
Relative motion of the pipeline between overall back-shaped slips outer wall and the inner walls.
Preferably, the overall back-shaped slips of the pipeline includes body, the radial section of the body is arc, described
The diameter of arc is equal to the diameter of the pipeline, and the inner body wall is provided with the latch for being embedded in pipeline outer wall, described
After the outer wall of body is connected with the inwall of the housing, slide without relative between the body and the housing.
Preferably, also including being equipped with keyway, the body on the inwall of key, the outer wall of the body and the housing
Outer wall is with the housing by described bonded.
Preferably, the body outer wall is provided with teeth, the inwall of the housing is provided with teeth groove, the teeth and institute
State teeth groove to be adapted, the body outer wall is connected by the teeth and teeth groove with the housing.
Preferably, the teeth are circumferentially stepped in the outer wall of the body, the teeth groove is also stepped.
Preferably, the angle of the latch is 90 °, the angle of the rake angle of the latch is 60 °, the tooth of the latch
The angle of relief angle is 30 °.
Preferably, offering elongate slot on the body vertically.
Preferably, the elongate slot is several, the opening direction of two adjacent elongate slots is contrary.
Preferably, the number of degrees of the corresponding central angle of the arc are 180 °.
Preferably, the latch is along the circumferentially disposed of the pipeline.
Preferably, the black box includes first seal and second seal, robbed with machinery using the pipeline
When repairing fixture, on the left of the pipe leakage point, the second seal is in the pipe leakage to the first seal
Point right side.
Preferably, also including first seal drive mechanism and second seal drive mechanism, the first seal
For compressing the first seal in the presence of external force, the second seal drive mechanism is used for outside drive mechanism
Effect is lower to compress the second seal.
Preferably, second securing member includes first flange, second flange, the first trip bolt and second
Trip bolt, the first flange are used for first group of pipeline is back-shaped with entirety with overall back-shaped slips and second group of pipeline
Slips is compacted in the inner walls respectively, and described the first trip bolt is through in the first flange and second flange
Screwed hole simultaneously constitutes the first screw thread pair between the housing exterior walls, and second trip bolt passes through the first flange
And the screwed hole in second flange the is constituted between the described first sealing drive mechanism and the second sealing drive mechanism respectively
Two kinds of screw thread pairs.
Preferably, the mechanical first-aid clamp of the pipeline also includes switching mechanism, the switching mechanism be used for opening or
Person closes the upper shell and lower house.
Preferably, the switching mechanism includes upper arm, underarm and retractor device, the upper arm is fixedly connected on described
Housing, the underarm are fixedly connected on lower house, and one end of the retractor device is articulated with the upper arm, the retractor device
The other end is articulated with the underarm.
Preferably, the retractor device is hydraulic cylinder.
Preferably, also including upper engaging lug, lower engaging lug, screw rod and two nuts, the upper engaging lug is fixedly connected
In the upper shell, the lower engaging lug is fixedly connected on the lower house, offers first through hole, institute on the upper engaging lug
State and on lower engaging lug, offer the second through hole, the weight of the first through hole and the second through hole after the upper shell and lower house pairing
Folded part constitutes third through-hole, and the screw rod is arranged in the third through-hole, and described two nuts are respectively from the threeway
Lock the screw rod in the both sides in hole.
Preferably, the pipeline also includes pressure testing hole, the pressure testing hole and the accommodation space with mechanical first-aid clamp
Connection.
The pipeline that the present invention the is provided upper shell of mechanical first-aid clamp, between lower house and black box, form accommodating sky
Between, among pipe leakage point is placed in accommodation space, after housing pipeline, the remaining space of accommodation space is closed, therefore, the pipeline
Can be used in sealing pipe leakage point with mechanical first-aid clamp;The pipeline is used with first group of pipeline of mechanical first-aid clamp
Overall back-shaped slips and the overall back-shaped slips of second group of pipeline can be prevented outside the back-shaped slips inwall of pipeline entirety and pipeline
Integrally back-shaped slips can also be prevented for relative motion between wall, the overall back-shaped slips of first group of pipeline and second group of pipeline
Relative motion of the pipeline between overall back-shaped slips outer wall and inner walls, therefore, using when, the pipeline that the present invention is provided is used
Mechanical first-aid clamp can prevent relative motion of the sealing mechanism between pipeline outer wall.
Description of the drawings
Fig. 1 is the dimensional structure diagram of pipeline machinery first-aid clamp provided in an embodiment of the present invention, wherein, to local
Broken section is carried out;
Fig. 2 is that one typical axial sectional view of pipeline provided in an embodiment of the present invention machinery first-aid clamp (wherein, is opened and closed
Mechanism is not shown);
Fig. 3 is that (wherein, switching mechanism does not show for the radial view of pipeline provided in an embodiment of the present invention machinery first-aid clamp
Go out);
Fig. 4 is the overall back-shaped slips of pipeline applied on pipeline machinery first-aid clamp provided in an embodiment of the present invention
Dimensional structure diagram;
Fig. 5 is the overall back-shaped slips card of pipeline applied on pipeline machinery first-aid clamp provided in an embodiment of the present invention
The schematic diagram in tooth direction;
Fig. 6 is the partial enlargement structural representation of part A in Fig. 5.
Specific embodiment
In order to understand the present invention in depth, below in conjunction with the accompanying drawings and specific embodiment the present invention is described in detail.
Referring to accompanying drawing 1~3, the pipeline machinery first-aid clamp that the present invention is provided includes housing, black box, first group of pipe
Road overall 3, second group of pipeline of back-shaped slips back-shaped slips 12 of entirety, the first securing member 4 and second securing member 5,11,
Housing includes upper shell 1, lower house 2, using when, upper shell 1 and lower house 2 are fixed together by the first securing member 4,
Two kinds of securing members 5,11 are for by first group of pipeline overall back-shaped slips 3 and second group of pipeline, integrally back-shaped slips 12 is distinguished
It is compacted in inner walls, between upper shell 1, lower house 2 and black box, forms accommodation space, pipe leakage point is placed in
Among between being empty, after housing pipeline, the remaining space of accommodation space is closed;First group of pipeline overall back-shaped slips 3 and second
Integrally back-shaped slips 12 can prevent relative motion of the pipeline integrally between back-shaped slips inwall and pipeline outer wall to organize pipeline,
The overall back-shaped slips 3 of first group of pipeline and the overall back-shaped slips of second group of pipeline 12 can also prevent pipeline integrally back-shaped
Relative motion between slips outer wall and inner walls.
The pipeline that the present invention the is provided upper shell 1 of mechanical first-aid clamp, between lower house 2 and black box, form accommodating
Space, among pipe leakage point is placed in accommodation space, after housing pipeline, the remaining space of accommodation space is closed, therefore, the pipe
Road can be used in sealing pipe leakage point with mechanical first-aid clamp;First group pipeline of the pipeline with mechanical first-aid clamp
Pipeline integrally back-shaped slips inwall and pipe can be prevented with overall back-shaped slips 3 and the overall back-shaped slips of second group of pipeline 12
Relative motion between pipeline outer wall, first group of pipeline are gone back with overall back-shaped slips 12 with overall back-shaped slips 3 and second group of pipeline
The relative motion between the overall back-shaped slips outer wall of pipeline and inner walls can be prevented, therefore, using when, the present invention is provided
Pipeline machinery first-aid clamp can prevent the relative motion between the sealing mechanism and pipeline outer wall.
Referring to accompanying drawing 4, the pipeline back-shaped slips bag of entirety applied in the pipeline machinery first-aid clamp that the present invention is provided
Include body 23, the radial section of body 23 is arc, the diameter of arc is equal to the diameter of pipeline, 23 inwall of body be provided with for
The latch 24 of embedded pipeline outer wall, after the outer wall of body 23 is connected with the inwall of sealing mechanism, between body 23 and sealing mechanism
Without relative slip.
Pass through to set on its inwall provided by the present invention for the overall back-shaped slips of pipeline of pipeline machinery first-aid clamp
Some latches 24 are embedded in pipeline outer wall, after the latch 24 is chimeric with pipeline outer wall, can between latch 24 and pipeline outer wall
The active force for restricting its relative motion is produced, so as to prevent the relative fortune between the overall back-shaped slips of the pipeline and pipeline outer wall
It is dynamic;After being connected with the inwall of sealing mechanism with the outer wall of overall back-shaped slips body 23 due to the pipeline that the present invention is provided, body
Slide without relative between 23 and sealing mechanism, therefore, it is possible to prevent the overall back-shaped slips of the pipeline and sealing mechanism inwall it
Between relative motion.When the pipeline is used between overall back-shaped slips and pipeline outer wall without relative motion, also, the pipeline is overall
When between back-shaped slips and the inwall of sealing mechanism without relative motion, also no phase between the sealing mechanism inwall and pipeline outer wall
To motion, therefore, the overall back-shaped slips of the pipeline can prevent the relative fortune between external sealing mechanism and pipeline outer wall
It is dynamic.
Wherein, the first concrete implementation mode of overall back-shaped slips, the pipeline that the present invention is provided is used as the pipeline
Key can also be included with overall back-shaped slips, keyway is equipped with the inwall of the outer wall and sealing mechanism of body 23, outside body 23
Wall is with sealing mechanism by bonded.Due between the connection between 23 outer wall of body and sealing mechanism inwall and wheel and wheel hub
Connection be similar to, therefore, it can by the i.e. bonded realization of the connected mode between wheel and wheel hub to 23 outer wall of body and close
Sealing mechanism inwall is attached and reaches the effect of the transmitting torque between 23 outer wall of the sealing mechanism inwall and body, so that
Obtain between the overall back-shaped slips of the pipeline and fixture inwall without relative motion.
Wherein, second concrete implementation mode of overall back-shaped slips, 23 outer wall of body is used to be provided with as the pipeline
Teeth 25, the inwall of sealing mechanism are provided with teeth groove, and teeth 25 are adapted with teeth groove, and 23 outer wall of body passes through tooth with sealing mechanism
Tooth 25 and teeth groove connection.As teeth 25 are bulge-structures, teeth groove can be adapted with teeth, when teeth 25 and tooth socket fit
Afterwards, mutual active force is produced because of mutually supporting and is reached between the depressed area of the boss and teeth groove of teeth 25
The effect of transmitting torque between 23 outer wall of the sealing mechanism inwall and body, so that the pipeline overall back-shaped slips and pipe
Without relative motion between pipeline outer wall.
Wherein, teeth 25 are circumferentially stepped in the outer wall of body 23, and teeth groove is also stepped.There is provided due to the present invention
The overall back-shaped slips of pipeline using when which is axially embedded in the groove be provided with sealing mechanism inwall along pipeline, be
The body 23 can be made, the body 23 generally needs and sealing even closer with the groove fit that sealing mechanism inwall is provided with
Mutually moving along pipeline axial direction is produced between mechanism's inwall, and will be teeth 25 circumferentially stepped in the outer wall of body 23, tooth
Groove also stepped setting when, can carry along mutually moving for pipeline axial direction for producing between body 23 and sealing mechanism inwall
For convenient.
Referring to accompanying drawing 5 and accompanying drawing 6, the angle of latch 24 is 90 °, and the angle of the rake angle α of latch 24 is 60 °, latch 24
Angle of back of tooth β angle be 30 °.Arranged by such angle, after 23 inwall of body is mutually chimeric with pipeline outer wall, latch
24 can produce interaction force and transmitting torque between pipeline outer wall, prevent outside the overall back-shaped slips of the pipeline and pipeline
Relative motion between wall.
Wherein, elongate slot 26 is offered vertically on body 23, the elongate slot 26 can be the body 23 in circumferential bullet
Property deformation reserve space so that when the body 23 tends to tight with the groove fit that sealing mechanism inwall is provided with, be unlikely to
Optimal cooperation position is unable to reach due to the restriction of 23 girth of body.
Wherein, elongate slot 26 is several, and the opening direction of adjacent two elongate slots 26 is conversely, if all of long and narrow
The opening direction of groove 26 is in the same direction, then when body 23 is larger in circumferential elastic deformation, the expanded view of the body 23 will
It is intended to become an eccentric circular ring, in the opening direction of the elongate slot 26, its diameter is less than the 26 not opening direction of elongate slot
Diameter, so as to cause pipeline to be deformed in itself;And if when the opening direction of two neighboring elongate slot 26 is contrary, even if body
23 when circumferential elastic deformation is larger, and the expanded view of the body 23 is still a rectangle, now, the body 23 in axial direction
Uniform diameter, without causing pipeline to be deformed in itself.
Wherein, the number of degrees of the corresponding central angle of arc are 180 °, in such a situa-tion, it is only necessary to which two present invention are provided
Pipeline can form a complete annulus with overall back-shaped slips, when the back-shaped slips of pipeline entirety is matched somebody with somebody with sealing mechanism
During conjunction, two pipelines overall back-shaped slips can be respectively fitted in the two half-unit of the sealing mechanism, then should
Sealing mechanism two half-unit is to being combined;If the pipeline that the present invention is provided integrally back-shaped slips make one it is complete
Whole entirety, then need from one end of pipeline to be arranged, and in putting into practice, the setting of pipeline is often intricate, it is difficult to find end,
Even if or known its end, its end is likely to outside tens kilometers even thousand of kilometers, tens of thousands of kilometers, in such case
Under, by being arranged, to complete the overall back-shaped slips of the pipeline be impossible with the cooperation of pipeline;If the corresponding circle of the arc
Heart angle is less than 180 °, and which must also be the angle that can be divided exactly by 360 °, for example, it may be 120 °, 90 ° etc., and if the arc
Corresponding central angle be 120 °, then need 3 pipelines to be coordinated with integrally back-shaped slips in assembling, if the arc
Corresponding central angle is 90 °, then need 4 pipelines to be coordinated with overall back-shaped slips in assembling, if the arc pair
The number of degrees of the central angle answered further reduce, then the number of the overall back-shaped slips of the pipeline for needing in assembling will enter one
Step increases, no matter the overall back-shaped slips of the pipeline be needs 3,4 or more, can all cause be assembled to pipe
Be less susceptible to when road and sealing mechanism, also, due to the overall back-shaped slips of the pipeline be need 3,4 or more
When, this 3,4 or the overall back-shaped slips of more pipelines will be more in circumferential interface, easily go out in the seam
The bad situation of existing sealing property, so as to affect the overall back-shaped slips of the pipeline whole after with pipeline and sealing mechanism assembling
Body sealing property.
Wherein, latch 24 works as latch along the circumferentially disposed of pipeline as the effect of the latch 24 is chimeric with pipeline outer wall
24 along pipeline it is circumferentially disposed when, be outwards fitted together to layer by layer equivalent to from pipe leakage.
Additionally, in order that the interaction force between teeth 25 and teeth groove reaches maximum, so as to prevent tooth to greatest extent
Relative motion between tooth 25 and teeth groove, the mating surface between teeth 25 and teeth groove are preferably designed in pipeline radially, at this
In the case of kind, the interaction force produced between teeth 25 and teeth groove does not have the component in other directions so that what the present invention was provided
It is more preferable with the anti-rotation effect between overall back-shaped slips and sealing mechanism with the pipeline of mechanical first-aid clamp for pipeline.In order to just
In applying, along the axial active force of pipeline, teeth 25 can be set to several with overall back-shaped slips to the pipeline, if should
The upper plane of dry teeth 25 is parallel.
In order to meet processing request, also, be unlikely to mill when the overall back-shaped slips of the pipeline is made with tube fit
Hinder pipeline, the crown 27 of latch 24 can be done the process of 0.1mm~0.2mm fillets;The tooth root 28 of latch 24 is done into 0.1mm simultaneously
The process of~0.2mm fillets.
The high h of tooth of latch 25 then can be according to parameter determinations such as different outer diameter tubes and wall thickness, so that the present invention is provided
Pipeline it is higher from the adaptability of different pipelines with overall back-shaped slips.
Additionally need explanation is a little that the material for manufacturing the overall back-shaped slips of the pipeline is 2Cr13, and which has
Hardness height, corrosion resistance and good and magnetic feature after quenching, therefore, the pipeline manufactured with which is special with overall back-shaped slips
Suitable for submarine pipeline, because submarine pipeline is subject to Seawater immersion, easily it is corroded;Also, as which has hardness after quenching
High the characteristics of, the purpose of the embedded pipeline of its latch can be reached.
Referring to accompanying drawing 2, used as a kind of concrete implementation mode of black box, black box includes 7 He of first seal
Second seal 14, during using pipeline with mechanical first-aid clamp, on the left of pipe leakage point, second seals first seal 7
Part 14 is on the right side of pipe leakage point.As the pipeline that the present invention is provided is led to the upper shell 1 and lower object 2 of mechanical first-aid clamp
Cross the first securing member 4 to tighten together, therefore, the accommodation space formed between upper shell 1, lower house 2 after accommodating pipeline,
Axially sealed, while after arranging the first seal 7 and second seal 14, being formed between upper shell 1, lower house 2
Accommodation space is circumferentially sealed, thereby it is ensured that between upper shell 1, lower house 2 and black box after accommodating pipeline
The sealing effectiveness of remaining space of the accommodation space of formation after accommodating pipeline.
Referring to accompanying drawing 1 and accompanying drawing 2, the pipeline that the present invention is provided also includes first seal driving machine with mechanical first-aid clamp
Structure 6 and second seal drive mechanism 13, first seal drive mechanism 6 is for compressing first seal in the presence of external force
7, second seal drive mechanism 13 compresses second seal 14 in the presence of being used for outside.The first seal drive mechanism 6
The first seal 7 and second seal 14 can be compressed by setting with second seal drive mechanism 13 respectively so that on
The sealing effectiveness of remaining space of the accommodation space formed between housing 1, lower house 2 and black box after accommodating pipeline is more
It is good.Wherein, the shape of the first seal drive mechanism 6 and second seal drive mechanism 13 can be that center has through hole
Stepped cylinder, which utilizes the stepped portion holding in the housing of the sealing mechanism, also, in the housing of the sealing mechanism is
The stepped portion of the first seal drive mechanism 6 and second seal drive mechanism 13 is reserved with the mobile sky for fine setting
Between, in the presence of external force, the first seal drive mechanism 6 and the second seal drive mechanism 13 are for empty in the movement
Between in the range of drive the first seal 7 and second seal 14.
Referring to accompanying drawing 1 and accompanying drawing 2, second securing member includes first flange 5, second flange 11, the first trip bolt
15th, 17 and second trip bolt 16,18, first flange 5 is for by first group of pipeline overall back-shaped slips 3 and second group of pipe
Integrally back-shaped slips 12 is compacted in inner walls respectively in road, and the first trip bolt 15,17 passes through first flange 5 and second
Screwed hole on flange 11 simultaneously constitutes the first screw thread pair between housing exterior walls, and second trip bolt 16,18 passes through first
Screwed hole on flange 5 and second flange 11 is simultaneously sealed between drive mechanism 13 with the first sealing drive mechanism 6 and second respectively
Constitute second screw thread pair.Wherein, the first screw thread pair passes through first flange 5 and second flange 11 is respectively first group of pipe
Road provides driving force with overall back-shaped slips 3 and second group of pipeline with overall back-shaped slips 12, first group of pipeline is integrally returned
Shape slips 3 and second group of pipeline are with the teeth 25 on overall back-shaped slips 12 with the pipeline with mechanical first-aid clamp inner walls
Teeth groove produce relative displacement, make the cooperation between them even closer.Second screw thread pair passes through first flange 5 and second
The transmission of flange 11 and power is respectively the first seal drive mechanism 6 and second seal drive mechanism 13 provides driving force,
So as to, drive in the range of the mobile space of the first seal drive mechanism 6 and second seal drive mechanism 13 this first
Sealing member 7 and second seal 14.
Referring to accompanying drawing 1, the mechanical first-aid clamp of the pipeline also includes switching mechanism, and switching mechanism is used for opening or closing
Upper shell 1 and lower house 2.When the pipeline is with mechanical first-aid clamp prolonged application, the upper shell 1 and lower house 2 easily because
The reasons such as corrosion produce stronger cohesive force, using the switching mechanism after, even if generating between upper shell 1 and lower house 2 viscous
Knot power, which is also unlikely to open, so as to be easy to the pipeline is carried out the operation such as changing with mechanical first-aid clamp.
Referring to accompanying drawing 1, as a kind of concrete implementation mode of switching mechanism, switching mechanism includes upper arm 8,9 and of underarm
Retractor device 10, upper arm 8 are fixedly connected on upper shell 1, and underarm 9 is fixedly connected on lower house 2, and one end of retractor device 10 is hinged
In upper arm 8, the other end of retractor device 10 is articulated with underarm 9.The simple structure of this switching mechanism, it is easy to accomplish.This enforcement
In example, if necessary to open the pipeline machinery first-aid clamp from the side of connection upper arm 8 and underarm 9, then need the first
Securing member 4 is all removed, and then extends the retractor device 10, by the stretching force of the retractor device 10, you can from connection upper arm 8
The pipeline machinery first-aid clamp is opened with the side of underarm 9;Opening if necessary to the offside from connection upper arm 8 and underarm 9 should
Pipeline is then needed all to remove the first securing member 4, is then shortened by the retractor device 10, is led to mechanical first-aid clamp
Cross the withdrawal force of the retractor device 10, you can the pipeline machinery first-aid clamp is opened from the offside of connection upper arm 8 and underarm 9.
Wherein, as a kind of concrete implementation mode of retractor device 10, retractor device 10 is hydraulic cylinder.
Referring to accompanying drawing 3, the mechanical first-aid clamp of the pipeline that the present invention is provided also include upper engaging lug 20, lower engaging lug 21,
Screw rod 22 and two nuts, upper engaging lug 20 are fixedly connected on upper shell 1, and lower engaging lug 21 is fixedly connected on lower house 2, upper company
First through hole is offered on lug 20, offers the second through hole, first after 2 pairing of upper shell 1 and lower house on lower engaging lug 21
The lap of through hole and the second through hole constitutes third through-hole, and screw rod 22 is arranged in third through-hole, and two nuts are respectively from the
The both sides tie down screw of three through holes.By engaging lug on this 20, lower engaging lug 21 and screw rod 22, even in 1 He of upper shell
When locking between lower house 2, which also has connection, is not only convenient for the carrying of the pipeline machinery first-aid clamp, also
It is unlikely to take the pipeline machinery first-aid clamp mistake of different size.
Additionally, the first through hole and the second through hole can be slotted hole, in this case, the first through hole and second is led to
Hole all has mobile space, so as to when 2 division of upper shell 1 and lower house is needed, the first through hole and the second through hole will not
Division to upper shell 1 and lower house 2 causes obstacle.
Referring to accompanying drawing 1 and accompanying drawing 3, the pipeline that the present invention is provided also includes pressure testing hole 19, pressure testing hole with mechanical first-aid clamp
19 are connected with accommodation space.By the pressure testing hole 19, can be before the pipeline that the application present invention is provided be with mechanical first-aid clamp
Pressure testing is carried out to its accommodation space, so as to avoid safe thing occur because pressure is excessive in remaining space in actual application
Therefore.
Above-described specific embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail, the be should be understood that specific embodiment that the foregoing is only the present invention is not limited to this
Bright, all any modification, equivalent substitution and improvements within the spirit and principles in the present invention, done etc. should be included in the present invention
Protection domain within.
Claims (16)
1. a kind of pipeline is with mechanical first-aid clamp, including housing, black box, first group of pipeline with overall back-shaped slips, second
Group pipeline overall back-shaped slips, the first securing member and second securing member, the housing include upper shell, lower house, should
Used time, the upper shell and lower house are fixed together by the first securing member, and second securing member is used for will be described
Integrally back-shaped slips is compacted in the inner walls respectively for the overall back-shaped slips of first group of pipeline and second group of pipeline, institute
State, the pipe leakage point be placed in the accommodation space it
In, after housing the pipeline, the remaining space of the accommodation space is closed;First group of pipeline is with overall back-shaped slips and the
The overall back-shaped slips of two groups of pipelines can prevent the pipeline integrally relative between back-shaped slips inwall and pipeline outer wall
Integrally back-shaped slips can also prevent the pipeline for motion, the overall back-shaped slips of first group of pipeline and second group of pipeline
With the relative motion between overall back-shaped slips outer wall and the inner walls;
Characterized in that,
Material for manufacturing the overall back-shaped slips of the pipeline is 2Cr13,
The black box includes first seal and second seal, during using the pipeline with mechanical first-aid clamp, described
, on the left of the pipe leakage point, the second seal is on the right side of the pipe leakage point for first seal;
The mechanical first-aid clamp of the pipeline also includes first seal drive mechanism and second seal drive mechanism, described the
One sealing member drive mechanism for compressing the first seal in the presence of external force, use by the second seal drive mechanism
In compressing the second seal in the presence of external force.
2. pipeline according to claim 1 is with mechanical first-aid clamp, it is characterised in that the pipeline is with overall back-shaped slips
Including body, the radial section of the body is arc, and the diameter of the arc is equal to the diameter of the pipeline, and described in vivo
Wall is provided with the latch for being embedded in pipeline outer wall, after the outer wall of the body is connected with the inwall of the housing, the body
Slide without relative between the housing.
3. pipeline according to claim 2 is with mechanical first-aid clamp, it is characterised in that also including key, the body it is outer
Keyway is equipped with the inwall of wall and the housing, and the body outer wall is with the housing by described bonded.
4. pipeline according to claim 2 is with mechanical first-aid clamp, it is characterised in that the body outer wall is provided with tooth
Tooth, the inwall of the housing are provided with teeth groove, and the teeth are adapted with the teeth groove, and the body outer wall is logical with the housing
Cross the teeth and teeth groove connection.
5. pipeline according to claim 4 is with mechanical first-aid clamp, it is characterised in that the teeth are in the outer of the body
Wall is circumferentially stepped, and the teeth groove is also stepped.
6. pipeline according to claim 2 is with mechanical first-aid clamp, it is characterised in that the angle of the latch is 90 °, institute
The angle for stating the rake angle of latch is 60 °, and the angle of the angle of back of tooth of the latch is 30 °.
7. pipeline according to claim 2 is with mechanical first-aid clamp, it is characterised in that offered on the body vertically
Elongate slot.
8. pipeline according to claim 7 is with mechanical first-aid clamp, it is characterised in that the elongate slot is several, phase
The opening direction of two adjacent elongate slots is contrary.
9. pipeline according to claim 2 is with mechanical first-aid clamp, it is characterised in that the corresponding central angle of the arc
The number of degrees are 180 °.
10. pipeline according to claim 2 is with mechanical first-aid clamp, it is characterised in that the latch is along the pipeline
It is circumferentially disposed.
11. pipelines according to claim 1 machinery first-aid clamp, it is characterised in that second securing member includes
First flange, second flange, the first trip bolt and second trip bolt, the first flange are used for described first group
Integrally back-shaped slips is compacted in the inner walls respectively for the overall back-shaped slips of pipeline and second group of pipeline, and described first
Kind trip bolt constitutes the first through the screwed hole in the first flange and second flange and with the housing exterior walls
Screw thread pair, second trip bolt is through the screwed hole in the first flange and second flange and respectively with described first
Second screw thread pair is constituted between sealing member drive mechanism and second seal drive mechanism.
12. pipeline according to claim 1 machinery first-aid clamp, it is characterised in that also including switching mechanism, described to open
Mechanism is closed for opening or closing the upper shell and lower house.
13. pipelines according to claim 12 machinery first-aid clamp, it is characterised in that the switching mechanism includes
Arm, underarm and retractor device, the upper arm are fixedly connected on the upper shell, and the underarm is fixedly connected on lower house, described
One end of retractor device is articulated with the upper arm, and the other end of the retractor device is articulated with the underarm.
14. pipelines according to claim 13 machinery first-aid clamp, it is characterised in that the retractor device is hydraulic pressure
Cylinder.
15. pipelines according to claim 1 machinery first-aid clamp, it is characterised in that also including upper engaging lug, lower connection
Ear, screw rod and two nuts, the upper engaging lug are fixedly connected on the upper shell, and the lower engaging lug is fixedly connected on described
Lower house, offers first through hole on the upper engaging lug, offer the second through hole on the lower engaging lug, the upper shell and
After lower house pairing, the lap of the first through hole and the second through hole constitutes third through-hole, and the screw rod is arranged in described the
In three through holes, described two nuts lock the screw rod from the both sides of the third through-hole respectively.
16. pipelines according to claim 1 machinery first-aid clamp, it is characterised in that also including pressure testing hole, the pressure testing
Hole is connected with the accommodation space.
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CN201410483050.XA CN104266032B (en) | 2014-09-19 | 2014-09-19 | Mechanical first-aid repair clamp for pipeline |
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CN201410483050.XA CN104266032B (en) | 2014-09-19 | 2014-09-19 | Mechanical first-aid repair clamp for pipeline |
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CN104266032A CN104266032A (en) | 2015-01-07 |
CN104266032B true CN104266032B (en) | 2017-03-22 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105605365A (en) * | 2016-04-01 | 2016-05-25 | 西南石油大学 | Pipeline leakage point sealing device |
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CN107990072B (en) * | 2017-12-12 | 2020-03-27 | 中国海洋石油集团有限公司 | Pressure maintaining tee joint |
CN110541995A (en) * | 2019-08-27 | 2019-12-06 | 深圳海油工程水下技术有限公司 | Clamping device of submarine pipeline plugging pipe and submarine pipeline plugging equipment |
CN112728263A (en) * | 2019-10-28 | 2021-04-30 | 湖南诚路管业科技有限公司 | Telescopic pipeline connector |
CN112628401A (en) * | 2021-01-14 | 2021-04-09 | 南昌谱瑞斯天泵业有限公司 | Combined sealing ring |
CN113833932A (en) * | 2021-09-26 | 2021-12-24 | 北京理工大学 | Quick plugging connector |
CN114636048B (en) * | 2022-05-23 | 2022-08-09 | 山东维点技术有限公司 | Oil transportation pressure pipeline plugging device |
CN116293179B (en) * | 2023-05-19 | 2023-08-01 | 苏州罗克莱科技有限公司 | Mechanical pipe clamp and testing device thereof |
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US2459956A (en) * | 1945-05-16 | 1949-01-25 | John L Lenz | Pipe coupling |
US4519637A (en) * | 1982-09-28 | 1985-05-28 | Ameron Inc. | Pipe coupling |
GB9525590D0 (en) * | 1995-12-14 | 1996-02-14 | British Gas Plc | Pipe repair clamp |
DE19750120C1 (en) * | 1997-11-13 | 1999-04-08 | Hot Hochdruck Technik Gmbh | Pressure pipe sealing repair shell |
CN101839384B (en) * | 2010-05-07 | 2011-12-28 | 周庆涛 | Pipeline connector |
CN103775017B (en) * | 2012-11-28 | 2016-04-13 | 贵州高峰石油机械股份有限公司 | Device is dragged in a kind of Refloatation method and side used of disconnected bar |
CN203533078U (en) * | 2013-10-11 | 2014-04-09 | 天津大学 | Coupling type pipeline leakage first-aid repair clamp |
CN204176240U (en) * | 2014-09-19 | 2015-02-25 | 中国石油天然气集团公司 | The mechanical first-aid clamp of a kind of pipeline |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105605365A (en) * | 2016-04-01 | 2016-05-25 | 西南石油大学 | Pipeline leakage point sealing device |
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Effective date of registration: 20170301 Address after: 100007 Dongcheng District, Dongzhimen, China, North Street, No. 9 Oil Mansion, No. Applicant after: China National Petroleum Corporation Applicant after: China Petroleum Pipeline Bureau Engineering Co., Ltd. Address before: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Applicant before: China National Petroleum Corporation Applicant before: China Petroleum and Natural Gas Pipeline Bureau |