CN210004020U

CN210004020U - Pipeline plugging device

Info

Publication number: CN210004020U
Application number: CN201920318255.0U
Authority: CN
Inventors: 周晓龙; 沈宏伟
Original assignee: Chengde Chenggang Engineering Technology Co Ltd; HBIS Co Ltd Chengde Branch
Current assignee: Chengde Chenggang Engineering Technology Co Ltd; HBIS Co Ltd Chengde Branch
Priority date: 2019-03-13
Filing date: 2019-03-13
Publication date: 2020-01-31
Anticipated expiration: 2029-03-13

Abstract

The utility model provides an pipeline plugging device belongs to pipeline leaking stoppage technical field, including the pull rod, the bottom is provided with big end down's cone, the sleeve pipe, the cover is established in the lower part of pull rod, be provided with two at least splitting grooves that run through the sleeve pipe bottom surface on the outer wall of lower part, splitting groove can split under the extrusion of cone, the closing plate, the cover is established on the sleeve pipe, be located the upper portion or the top of splitting groove, be used for the pipe wall with the sheathed tube lower part cooperation centre gripping pipeline after the fracture, be provided with on the closing plate be used for with pipeline fixed connection's connecting portion, and the closing cap, be located the top of closing plate, the cover is established on the sleeve pipe and with sleeve pipe sealing connection, be used for the top mouth of shutoff sleeve pipe and cooperate the leak hole of shutoff pipeline with the closing plate.

Description

Pipeline plugging device

Technical Field

The utility model belongs to the technical field of the pipeline leaking stoppage, more specifically say, relate to pipeline leaking stoppage device.

Background

when the medium can be shut off due to pipeline leakage, the metal pipeline is blocked by welding, the nonmetal pipeline is blocked by bonding, when the medium can not be shut off due to pipeline leakage, various ways of blocking leakage under pressure are adopted for blocking, however, flammable and explosive media are conveyed by pipelines sometimes, or a pipeline leakage hole is in an environment where the fire is not suitable to occur, and the conventional leakage blocking method or device needs fire-moving equipment when the leakage is blocked, so that the operation is unsafe.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide kinds of pipeline plugging devices, the pipeline plugging device's that does not move the fire technical problem when aiming at solving lack the leaking stoppage on the existing market.

In order to achieve the purpose, the utility model adopts the technical proposal that pipeline plugging devices are provided, which comprise a pull rod, a conical head with a small upper part and a big lower part is arranged at the bottom of the pull rod;

the sleeve is sleeved at the lower part of the pull rod, and the outer wall of the lower part is provided with at least two cracking grooves penetrating through the bottom surface of the sleeve; the cracking groove can be cracked under the extrusion of the conical head;

the sealing plate is sleeved on the sleeve, is positioned at the upper part or above the cracking groove and is used for clamping the pipe wall of the pipeline in a manner of being matched with the lower part of the cracked sleeve; the sealing plate is provided with a connecting part which is fixedly connected with a pipeline; and

and the sealing cover is positioned above the sealing plate, sleeved on the sleeve, hermetically connected with the sleeve and used for sealing the top opening of the sleeve and plugging the leakage hole of the pipeline by matching with the sealing plate.

, an annular groove coaxial with the sleeve is arranged on the outer wall of the lower part of the sleeve, the annular groove is positioned on or above the cracking grooves and communicated with the cracking grooves, and a sealing ring is arranged in the annular groove and positioned below the sealing plate and abutted against the sealing plate.

, the sleeve is screwed to the pull rod and the cover.

, the threads on the inner wall of the sleeve and the threads on the outer wall of the sleeve rotate in opposite directions, and the sleeve is threadedly coupled to the seal plate.

, the connecting part is two mounting holes separately arranged at two ends of the sealing plate and used for respectively passing through the connecting pieces for connecting the sealing plate and the pipeline.

, the mounting hole has a rectangular cross-section.

, the pull rod is also provided with a breaking groove which is arranged coaxially with the pull rod and is positioned above the conical head.

, the pull rod comprises a connecting seat arranged on the top of the conical head and sleeved with the sleeve, and a rod body arranged on the top of the connecting seat;

the breaking groove is arranged at the bottom of the rod body.

, a threading hole is arranged on the top of the rod body.

, a finger clamping part is arranged at the top of the rod body, and the threading hole is arranged on the finger clamping part.

Compared with the prior art, the utility model provides a pipeline plugging device's beneficial effect lies in, the utility model discloses pipeline plugging device's the novelty has set up out cock formula pipeline plugging device, during the use, place the pipeline leakage hole earlier with cone end, later pass through connecting portion and pipeline fixed connection with the closing plate, move the pull rod for the pipeline rebound again, the cracked groove that is located the sheathed tube lower part splits under the extrusion of cone, sleeve pipe lower part pipe wall demonstrates the multilobe structure with pipeline inner wall butt, later install the closing cap to the sleeve pipe, extrude the closing plate downwards, make closing plate and the tight pipeline of multilobe structure cooperation clamp, realize the shutoff of pipeline leakage hole and the fixed of pipeline plugging device and pipeline relative position, meanwhile, the closing plate, the pull rod, the cone, sheathed tube sub-assembly has played fine shutoff effect again to the leakage hole on the pipeline, and the interpolation of closing cap has still realized between sleeve pipe and the pull rod, the shutoff of sealed pad and the sleeve pipe gap, advance step and improved the sealed effect of pipeline leakage hole on the pipeline.

The whole plugging process does not need electric welding, gas welding and other firing equipment, the operation process is simple and effective, and the plugging can be completed only by using common tools. The utility model is suitable for a can turn-off the metal and the non-metallic pipe way of medium, also be applicable to the lower pipeline of the medium pressure that can not turn-off, still be applicable to the area of having the poisonous harmful medium pipeline of low pressure leaking stoppage under the condition that has good safeguard measure. The connecting part on the sealing plate is convenient for the pipeline leakage plugging device to be fixedly connected with the pipeline, the phenomenon that the combination body of the pull rod and the sleeve completely drops into the pipeline in the leakage plugging process is avoided, and the stable and safe operation of leakage plugging is ensured. The arrangement of the cracking groove is convenient for the sleeve to crack outwards under the extrusion of the conical head, so that the phenomenon that a large amount of media in the pipeline overflows due to the fact that the assembly of the pull rod and the sleeve is pulled out of a leakage hole of the pipeline in the installation process of the pipeline leakage stopping device is avoided, and the safety of leakage stopping operation is guaranteed.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only the embodiments of the present invention, and those skilled in the art can also obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of a pipeline plugging device provided by an embodiment of the present invention;

fig. 2 is a schematic structural view of a pull rod used in the embodiment of the present invention;

fig. 3 is a schematic structural diagram of a bushing employed in the embodiment of the present invention;

fig. 4 is a schematic vertical sectional structure diagram of a bushing employed in an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a sealing plate according to an embodiment of the present invention.

In the figure: 10. a pull rod; 11. a conical head; 12. a connecting seat; 13. a rod body; 14. a breaking groove; 15. threading holes; 16. a finger-clamping part; 20. a sleeve; 21. cracking the groove; 22. an annular groove; 23. a seal ring; 24. an internal thread; 25. an external thread; 30. a sealing plate; 40. a connecting portion; 50. and (7) sealing the cover.

Detailed Description

In order to make the technical problems, technical solutions and advantages of the present invention to be solved clearer, the present invention is described in detail below with reference to the accompanying drawings and embodiments in steps.

referring to fig. 1, the pipeline leakage stopping device provided by the embodiment of the present invention is now described, which includes a pull rod 10 having a bottom provided with a small-top and large-bottom tapered end 11, a sleeve 20 sleeved on the lower portion of the pull rod 10, and at least two cracking grooves 21 provided on the outer wall of the lower portion and penetrating through the bottom surface of the sleeve 20. the cracking grooves 21 can be cracked under the extrusion of the tapered end 11. a sealing plate 30 sleeved on the sleeve 20 and located on or above the cracking grooves 21 for clamping the pipe wall of the pipeline in cooperation with the lower portion of the cracked sleeve 20. a connecting portion 40 for fixedly connecting with the pipeline is provided on the sealing plate 30. a sealing cover 50 located above the sealing plate 30 is sleeved on the sleeve 20 and in sealing connection with the sleeve 20 for sealing the top opening of the sleeve 20 and in cooperation with the sealing plate 30 for plugging the pipeline.

When the pipeline leakage plugging device is used, firstly, a pipeline leakage hole is expanded and drilled into a circular hole, then the sleeve 20 and the pull rod 10 are combined, the pull rod 10 is provided with the conical head 11 end to be plugged into the circular hole which is drilled in advance on the pipeline after the combination, the connecting part 40 of the sealing plate 30 is connected with the pipeline through a rope, then the pull rod 10 is lifted upwards, the conical head 11 moves upwards and pushes the sleeve 20 upwards, the bottom of the sleeve 20 is cracked and expanded outwards from the cracking groove 21 under the extrusion of the conical head 11 until the side wall of the opened sleeve 20 is abutted against the inner wall of the pipeline, finally, the sealing cover 50 is installed at the top of the sleeve 20 to be abutted against the sealing plate 30, so that the sealing plate 30 and the lower part of the cracked sleeve 20 are matched to clamp the pipe wall of the pipeline, the fixing of the pipeline leakage plugging device relative to the pipeline is realized, and the.

The embodiment of the utility model provides a pipeline plugging device, compared with the prior art, the innovative pipeline plugging device who has set up out the cock formula, during the use, place the pipeline leakage hole earlier with conical head 11 end, later with sealing plate 30 through connecting portion 40 and pipeline fixed connection, move up pull rod 10 for the pipeline again, the fracture groove 21 that is located the lower part of sleeve pipe 20 splits under the extrusion of conical head 11, sleeve pipe 20 lower part pipe wall demonstrates the multilobe structure with pipeline inner wall butt, later install closing cap 50 to sleeve pipe 20 on, extrude closing plate 30 downwards, make sealing plate 30 and the tight pipeline of multilobe structure cooperation clamp, realize the shutoff of pipeline leakage hole and pipeline plugging device and pipeline relative position's fixed simultaneously, closing plate 30, pull rod 10, conical head 11, sleeve pipe 20's sub-assembly has played fine shutoff effect again to the leakage hole on the pipeline, and closing cap 50 has established still between sleeve pipe 20 and the pull rod 10, the shutoff between sealing gasket 30 and the sleeve pipe 20, advance to improve the pipeline leakage hole's leakage effect on the pipeline.

The whole plugging process does not need electric welding, gas welding and other firing equipment, the operation process is simple and effective, and the plugging can be completed only by using common tools. The utility model is suitable for a can turn-off the metal and the non-metallic pipe way of medium, also be applicable to the lower pipeline of the medium pressure that can not turn-off, still be applicable to the area of having the poisonous harmful medium pipeline of low pressure leaking stoppage under the condition that has good safeguard measure. The arrangement of the connecting part 40 on the sealing plate 30 facilitates the fixed connection of the pipeline plugging device and the pipeline, avoids the phenomenon that the combination of the pull rod 10 and the sleeve 20 completely falls into the pipeline in the plugging process, and ensures the stable and safe operation of plugging. The arrangement of the cracking groove 21 is convenient for the sleeve 20 to crack outwards under the extrusion of the conical head 11, thereby avoiding the phenomenon that the medium in the pipeline overflows due to the fact that the combined part of the pull rod 10 and the sleeve 20 is pulled out of a leakage hole of the pipeline in the installation process of the pipeline leakage stopping device, and ensuring the safety of leakage stopping operation.

In this embodiment, the sealing cap 50 may be abutted against the sealing plate 30, or may be hermetically connected to the sealing plate to seal the leakage hole of the pipeline.

The width of the seal plate 30 in this embodiment is greater than the diameter of the leak hole in the pipe (i.e., the diameter of the enlarged bore hole as described above).

As embodiments of the pipeline plugging device provided by the present invention, please refer to fig. 3 and 4, an annular groove 22 coaxially disposed with the sleeve 20 is further disposed on the outer wall of the lower portion of the sleeve 20, the annular groove 22 is disposed on the upper portion or the upper portion of the cracking groove 21 and is communicated with each cracking groove 21, a sealing ring 23 is disposed in the annular groove 22, and the sealing ring 23 is disposed below the sealing plate 30 and abuts against the sealing plate 30.

During the leaking stoppage operation, the conical head 11 is pulled upwards along with the pull rod 10, and the cracking groove 21 at the lower part of the sleeve 20 is opened, so that the pipe wall at the lower part of the sleeve 20 is in a multi-segment shape and is opened outwards, the bottom of the pipe wall is abutted against the inner wall of the pipeline around the round hole, the top of the pipe wall is abutted against the sealing ring 23, the sealing ring 23 is extruded upwards, the sealing ring 23 is in closer contact with the sealing plate 30, and the sealing effect between the sealing plate 30 and the leakage point of the pipeline is effectively improved.

The annular groove 22 is positioned at the upper part of the cracking groove 21, so that the sealing ring 23 is conveniently extruded upwards after the pipe wall at the lower part of the sleeve 20 is cracked from the cracking groove 21, and the installation requirement of the pipeline plugging device and the drilling hole at the pipeline leakage part for sealing connection is met.

Referring to fig. 4, the sleeve 20, the pull rod 10 and the sealing cap 50 are respectively connected by screw threads as specific embodiments of the pipeline plugging device provided by the present invention.

The sleeve 20 is in threaded connection with the pull rod 10, so that when the pull rod 10 is lifted upwards, the pull rod 10 can be rotated to be in threaded connection with the pull rod 10, the phenomenon that the pull rod 10 is lifted upwards and is improperly operated to fall back is avoided, and the risk of medium overflowing outwards in a pipeline in the process of leaking stoppage operation is reduced.

The casing 20 is in threaded connection with the sealing cover 50 and the pull rod 10 respectively, so that the size of gaps between the casing 20 and the sealing cover 50 and between the casing 20 and the pull rod 10 is effectively reduced, and the sealing plate 30, the pull rod 10, the conical head 11, the casing 20, the sealing cover 50 and the like are matched, so that multiple sealing of the pipeline leakage hole by the pipeline leakage blocking device is realized, and the sealing effect of the pipeline leakage hole by the pipeline leakage blocking device is effectively ensured.

Referring to fig. 4, the rotation directions of the threads on the inner wall and the outer wall of the sleeve 20 are opposite to each other, and the sleeve 20 is connected to the sealing plate 30 by threads.

The rotation directions of the internal thread 24 and the external thread 25 of the sleeve 20 are opposite, and the sealing plate 30 is in threaded connection with the sleeve 20, so that when the pull rod 10 rotates outwards, the sleeve 20 sleeved on the outer wall of the pull rod 10 and the sealing plate 30 sleeved on the outer wall of the sleeve 20 cannot rotate therewith, further, the pushing effect of the conical head 11 on the lower part of the sleeve 20 is good, and the good clamping effect and the good sealing effect of the pipeline plugging device on a pipeline are guaranteed.

As kinds of embodiments of the pipeline plugging device provided by the utility model, please refer to fig. 1, the outline of the cross section of the sealing cover 50 is hexagonal, which is convenient for holding and rotating the sealing cover 50 and meets the use requirement.

Referring to fig. 5, the connecting portion 40 is two mounting holes respectively formed at both ends of the sealing plate 30 and used for the connecting member for connecting the sealing plate 30 and the pipeline to pass through.

When the relative position of the sealing plate 30 and the pipeline is fixed, the end of the connecting piece for connecting the sealing plate 30 and the pipeline passes through the mounting hole and is bound with the sealing plate 30 at , and the end of the connecting piece is bound with the pipeline at .

Referring to fig. 5, embodiments of the pipeline leakage stopping device provided by the present invention, the cross section of the mounting hole is rectangular.

When the relative position of the sealing plate 30 and the pipeline is fixed, the end of the connecting piece can be bound to the end of the mounting hole, the other end of the connecting piece is sleeved with circles or half circles around the pipeline and then connected with the other end of the mounting hole, the cross section of the mounting hole is rectangular, the connecting end of the connecting piece and the sealing plate 30 is effectively prevented from sliding along the outer contour of the mounting hole, and the stability of the relative position of the sealing plate 30 and the pipeline is guaranteed.

Referring to fig. 2, the pull rod 10 is further provided with a breaking groove 14 coaxially disposed with the pull rod 10, and the breaking groove 14 is located above the cone 11.

After the pull rod 10 is lifted to the right position by the arrangement of the breaking groove 14, an operator can break or screw off the pull rod 10 from the breaking groove 14, so that the interference of the arrangement of the rod body 13 on the installation of the sealing cover 50 is avoided, the height of the sealing cover 50 is not influenced by the length of the rod body 13, and the sealing cover 50 is ensured to be made of less materials. In addition, the part of the pull rod 10 above the pipeline is removed after the pull rod 10 is lifted in place, so that the phenomenon that other personnel hold the upper part of the pull rod 10 under the condition of no real phase and reversely rotate or press the pull rod to cause leakage of the pipeline leakage hole again is avoided, the stability of the relative position relation between the pipeline leakage stopping device and the pipeline after the pipeline leakage stopping device is installed is ensured, and the pipeline leakage stopping device has a lasting and good sealing effect on the pipeline leakage hole.

Referring to fig. 2, the tie rod 10 includes a connecting seat 12 disposed on the top of the cone 11 and sleeved with the sleeve 20, and a rod body 13 disposed on the top of the connecting seat 12, and a breaking groove 14 disposed on the bottom of the rod body 13.

The connecting seat 12 is arranged at the top of the conical head 11, so that when the pull rod 10 is pulled upwards, the conical surface of the conical head 11 extrudes the inner wall of the lower part of the sleeve 20 outwards, thereby ensuring that the opening operation of the side wall of the lower part of the sleeve 20 is smoothly performed by the opening groove 21. The lever body 13 is provided to facilitate an operator to grasp the lever 10 and apply force to the lever 10 when the operator pulls the lever 10 upward.

In this embodiment, the pull rod 10 is formed by bodies, and the pull rod 10 and the conical head 11 are also formed by bodies.

Referring to fig. 2, specific embodiments of the pipeline plugging device provided by the present invention are shown, wherein a threading hole 15 is formed at the top of the rod body 13.

When the product is applied to a low-pressure non-turn-off medium, a rope can firstly penetrate through the rope penetrating hole of the pull rod 10, so that the medium is temporarily released through a gap between the pull rod 10 and the sleeve 20, and then the operation is carried out according to the steps. The arrangement of the threading hole 15 is convenient for rope installation, reduces the risk that the combined part of the pull rod 10 and the sleeve 20 completely falls into the pipeline, and ensures the smooth installation of the pipeline plugging device.

Referring to fig. 2, embodiments of the pipeline plugging device of the present invention are shown, wherein a finger-locking portion 16 is disposed on the top of the rod body 13, and a threading hole 15 is disposed on the finger-locking portion 16.

The arrangement of the clamping finger part 16 is convenient for an operator to hold and lift the pull rod 10 body upwards, the threading hole 15 is arranged on the clamping finger part 16, so that the friction force between the fingers and the rod body 13 when the operator holds the rod body 13 is increased, the risk that the rod body 13 slides down from the hand of the operator in the operation process is further reduced, and the smooth operation is ensured.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Pipeline plugging device, its characterized in that includes:

the bottom of the pull rod is provided with a conical head with a small upper part and a big lower part;

2. The pipe plugging device of claim 1, wherein: the outer wall of the lower portion of the sleeve is further provided with an annular groove which is coaxial with the sleeve, the annular groove is located on the upper portion or the upper portion of the cracking groove and communicated with the cracking grooves, a sealing ring is arranged in the annular groove, and the sealing ring is located below the sealing plate and abutted to the sealing plate.

3. The pipe plugging device of claim 1, wherein: the sleeve is in threaded connection with the pull rod and the sealing cover respectively.

4. A pipe plugging device according to claim 3, wherein: and the rotation directions of the threads on the inner wall of the sleeve and the threads on the outer wall of the sleeve are opposite, and the sleeve is in threaded connection with the sealing plate.

5. A pipe plugging device according to claim 3, wherein: the connecting parts are two mounting holes which are respectively arranged at two ends of the sealing plate and are respectively used for connecting the sealing plate and a connecting piece of the pipeline to pass through.

6. The pipe plugging device of claim 5, wherein: the cross section of the mounting hole is rectangular.

7. The pipe plugging device of any of claims 1-6, wherein the pull rod is further provided with a breaking groove coaxially arranged with the pull rod, and the breaking groove is positioned above the conical head.

8. The pipe plugging device of claim 7, wherein: the pull rod comprises a connecting seat arranged at the top of the conical head and sleeved with the sleeve and a rod body arranged at the top of the connecting seat;

the breaking groove is arranged at the bottom of the rod body.

9. The pipe plugging device of claim 8, wherein: the top of the rod body is provided with a threading hole.

10. The pipe plugging device of claim 9, wherein: the top of the rod body is provided with a finger clamping portion, and the threading hole is formed in the finger clamping portion.