CN216843670U

CN216843670U - Quick end plugging device for pipeline construction

Info

Publication number: CN216843670U
Application number: CN202122835818.3U
Authority: CN
Inventors: 朱海勇; 向丹; 周廉政
Original assignee: Hunan 4 Construction Installation Construction Co ltd
Current assignee: Hunan 4 Construction Installation Construction Co ltd
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-06-28
Anticipated expiration: 2031-11-18

Abstract

The utility model relates to a quick end plugging device for pipeline construction, which comprises an end cover, a plurality of wedges, a driving block and a locking piece, wherein: a lining cylinder is arranged on one side of the end cover, a plurality of through grooves are uniformly distributed on the side wall of the lining cylinder, and through holes are formed in the axis of the end cover; the wedges are arranged in the through grooves; the driving block is arranged on the lining barrel, a pull rod is arranged on one side of the driving block and penetrates through the through hole, inclined grooves corresponding to the wedge blocks are formed in the periphery of the driving block, and the inclined grooves are abutted to inclined planes at the bottoms of the wedge blocks; the locking piece is arranged at one end of the pull rod, which is exposed out of the end cover. The driving block is tensioned by the locking piece, so that the wedge block is driven to be in contact with the inner wall of the pipeline, internal support type plugging is realized, the plugging is firm, the disassembly is convenient, and only the locking piece is loosened to reversely push the pull rod.

Description

Quick end plugging device for pipeline construction

Technical Field

The utility model relates to the technical field of pipeline construction, in particular to a quick end plugging device for pipeline construction.

Background

Pipeline installation is an important part of the construction of urban infrastructure. At present, in urban pipeline engineering, the plugging work of the end part of a pipeline (such as temporary plugging, prevention of animals or other foreign matters from entering the pipeline, engineering experimental plugging and the like) cannot be avoided, the traditional plugging mode is to directly plug by using a flange plate, a sealing element and bolts, and the operation mode needs to dismantle a plurality of bolts in the subsequent pipeline splicing installation, so that the operation is inconvenient. Therefore, there is a need to develop a quick plugging device which is easy to operate and fast to assemble and disassemble for plugging the end of the pipeline.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides the quick end plugging device for pipeline construction, which is simple to operate and quick to disassemble and assemble.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

the utility model provides a quick plugging device of tip for pipeline construction, includes end cover, a plurality of voussoir, drive block and retaining member, wherein: a lining cylinder is arranged on one side of the end cover, a plurality of through grooves are uniformly distributed on the side wall of the lining cylinder, and through holes are formed in the axis of the end cover; the wedges are arranged in the through grooves; the driving block is arranged on the lining barrel, a pull rod is arranged on one side of the driving block and penetrates through the through hole, inclined grooves corresponding to the wedge blocks are formed in the periphery of the driving block, and the inclined grooves are abutted to inclined planes at the bottoms of the wedge blocks; the locking piece is arranged at one end of the pull rod, which is exposed out of the end cover.

In a preferred embodiment of the quick end plugging device for pipeline construction provided by the utility model, the lining cylinder is in clearance fit with the inner wall of the pipeline, and a plurality of rings of sealing rings are arranged on the lining cylinder.

In a preferred embodiment of the quick end plugging device for pipeline construction provided by the present invention, a guide sleeve is further disposed between the pull rod and the through hole, and the pull rod is provided with a plurality of sealing rings along the length direction thereof.

In a preferred embodiment of the quick end plugging device for pipeline construction provided by the utility model, the locking member comprises a spring, a gasket and a nut, and the end of the pull rod is threaded and is fastened to the other side of the end cover through the spring, the gasket and the nut.

In a preferred embodiment of the quick end plugging device for pipeline construction provided by the utility model, the end of the wedge block, which is in contact with the inner wall of the pipeline, is provided with anti-skid wear-resistant rubber.

In a preferred embodiment of the quick end plugging device for pipeline construction provided by the utility model, the end cover adopts an end cover with a flange plate, the pipeline adopts a pipeline with a flange plate, and the end cover and the flange plate of the pipeline are fixed through a flange hoop.

Compared with the prior art, the quick end plugging device for pipeline construction provided by the utility model has the beneficial effects that:

the driving block is tensioned by the locking piece, so that the wedge block is driven to be in contact with the inner wall of the pipeline, internal support type plugging is realized, the plugging is firm, the disassembly is convenient, and only the locking piece is loosened to reversely push the pull rod;

And secondly, due to the design of the flange hoop, the connection between the pipeline and the plugging device is further ensured, and the plugging device can be effectively prevented from being separated.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:

fig. 1 is a schematic structural diagram of an end portion rapid plugging device for pipeline construction provided by the utility model.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly and encompass, for example, both fixed and removable coupling as well as integral coupling; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

Example one

The embodiment provides a quick end plugging device 1 for pipeline construction, as shown in fig. 1, comprising an end cover 101, a plurality of wedges 102, a driving block 103 and a locking piece 104, wherein:

a lining cylinder 1012 is arranged on one side of the end cover 101, the lining cylinder 1012 of the embodiment is in clearance fit with the inner wall of the pipeline 2, the lining cylinder of the end cover enters the pipeline during plugging, meanwhile, in order to ensure the sealing between the lining cylinder and the inner wall of the pipeline, a plurality of circles of sealing rings 105 are arranged on the lining cylinder 1012, a plurality of through grooves 1010 are uniformly distributed on the side wall of the lining cylinder 1012 and used for installing wedges 102, each wedge 102 is correspondingly installed in the through groove 1010, and a through hole 1014 is arranged at the axis of the end cover 101 and serves as an avoiding channel for providing tension force for a driving block from outside;

the driving block 103 is arranged in the lining cylinder 1012, a pull rod 1031 is arranged on one side of the driving block 103, the pull rod 1031 penetrates through the through hole 1014, the driving block drives the wedge to eject by pulling the pull rod in the embodiment, so that the wedge is tightly pressed against the inner wall of the pipeline, specifically, the periphery of the driving block 103 in the embodiment is provided with inclined grooves 1030 corresponding to the wedge 102, and the inclined grooves 1030 are abutted against the inclined surface at the bottom of the wedge 102, so that the driving block moves in the axial direction to drive the wedge to move in the radial direction;

The locking member 104 is disposed at one end of the pull rod 1031 exposed from the end cover, and is used for fixing the position of the driving block 103 after being tensioned.

Specifically, the locking member of this embodiment may employ a nut that is threadedly coupled to the end of the pull rod. In order to ensure the sealing performance between the tie bar and the end cap, a guide sleeve 106 is further disposed between the tie bar 1031 and the through hole 1014, and the tie bar 1031 is provided with a plurality of rings of sealing rings 105 along the length direction thereof.

The taut drive block of retaining member is utilized to this embodiment, and then the inner wall contact of drive voussoir and pipeline to the formula shutoff that props in realizing, the shutoff is firm, also convenient to detach simultaneously, only need the loosening retaining member reverse push pull rod can.

Example two

According to the first embodiment, the locking member 104 of the present embodiment includes a spring 1041, a washer 1042 and a nut 1043, as shown in fig. 1, the end of the pull rod 1031 is threaded and fastened to the other side of the end cap 101 by the spring 1042, the washer 1042 and the nut 1043. The design of the spring of this embodiment can constantly provide the tightening force for the driving block, also provides the pretightning force for the nut simultaneously.

EXAMPLE III

Based on the first embodiment or the second embodiment, the end of the wedge 102 contacting the inner wall of the pipe 2 is provided with an anti-skid wear-resistant rubber (not shown), so as to increase the friction force between the wedge and the inner wall of the pipe.

Example four

Based on any of the above embodiments, in this embodiment, the end cover 101 is an end cover with a flange, the pipeline 2 is a pipeline with a flange, and the end cover 101 and the flange of the pipeline 2 are fixed by the flange hoop 107. The flange staple bolt that this embodiment designed further guarantees being connected of pipeline and plugging device, can effectively prevent deviating from of plugging device, and simultaneously, the flange staple bolt is also easy dismounting, swift.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a quick plugging device of tip for pipeline construction which characterized in that: including end cover, a plurality of voussoir, drive block and retaining member, wherein:

A lining cylinder is arranged on one side of the end cover, a plurality of through grooves are uniformly distributed on the side wall of the lining cylinder, and through holes are formed in the axis of the end cover;

the wedges are arranged in the through grooves;

the driving block is arranged on the lining barrel, a pull rod is arranged on one side of the driving block and penetrates through the through hole, inclined grooves corresponding to the wedge blocks are formed in the periphery of the driving block, and the inclined grooves are abutted to inclined planes at the bottoms of the wedge blocks;

the locking piece is arranged at one end of the pull rod, which is exposed out of the end cover.

2. The quick end plugging device for pipeline construction according to claim 1, wherein: the lining cylinder is in clearance fit with the inner wall of the pipeline, and a plurality of rings of sealing rings are arranged on the lining cylinder.

3. The quick end plugging device for pipeline construction according to claim 1, wherein: a guide sleeve is further arranged between the pull rod and the through hole, and the pull rod is provided with a plurality of sealing rings along the length direction.

4. The quick end plugging device for pipeline construction according to claim 3, wherein: the locking piece comprises a spring, a gasket and a nut, the end part of the pull rod is threaded, and the pull rod is fastened to the other side of the end cover through the spring, the gasket and the nut.

5. The quick end plugging device for pipeline construction according to claim 1, wherein: and one end of the wedge block, which is contacted with the inner wall of the pipeline, is provided with anti-skid wear-resistant rubber.

6. The quick end plugging device for pipeline construction according to any one of claims 1 to 5, wherein: the end cover adopts the end cover with the flange plate, the pipeline adopts the pipeline with the flange plate, and the end cover and the flange plate of the pipeline are fixed through a flange hoop.