CN214662907U

CN214662907U - Plugging structure for jacking pipe grouting hole

Info

Publication number: CN214662907U
Application number: CN202120051055.0U
Authority: CN
Inventors: 梅建国
Original assignee: Wuhan Jianghan Municipal Construction Co ltd
Current assignee: Wuhan Jianghan Municipal Construction Co ltd
Priority date: 2021-01-11
Filing date: 2021-01-11
Publication date: 2021-11-09
Anticipated expiration: 2031-01-11

Abstract

The utility model discloses a push pipe slip casting hole block structure, including sealing plug body and pipeline body, the top fixedly connected with closing plate of sealing plug body, the equal fixedly connected with dog in the left and right sides of sealing plug body, the through-hole has been seted up to the internal surface of dog, the bottom fixedly connected with second fixture block of dog. The utility model discloses a with the closing plate downstream, drive the sealing plug body downstream, place in the inner chamber of third draw-in groove until the sealing plug body, this moment, the bottom of closing plate and the top contact of pipeline body, first fixture block joint is in the inner chamber of first draw-in groove, the bottom of dog and the bottom contact of hanging the inslot wall, second fixture block joint is in the inner chamber of second draw-in groove, then will seal glue through annotating in the glue hole pours into the inner chamber of hanging the groove into, accomplish the fixed to the sealing plug body, it is comparatively inconvenient to have solved current shutoff structure and operate when the shutoff, thereby the problem that people used not convenient for.

Description

Plugging structure for jacking pipe grouting hole

Technical Field

The utility model relates to a push pipe technical field specifically is a push pipe slip casting hole block structure.

Background

The pipe-jacking construction is a non-excavation construction method, and is a pipeline burying construction technology without excavation or with less excavation, the main principle is that prefabricated pipe joints are jacked into the ground through a back jack, so as to form a tunnel required for construction, the pipe-jacking method is divided into modes of manual pipe jacking, mechanical pipe jacking and the like due to different excavation forms, no matter what excavation form is adopted, because the pipe joints directly act with the ground, the frictional resistance between the ground and the pipe joints can jack the pipe joints to form a barrier, therefore, the thixotropic slurry drag reduction technology basically becomes a general method of the pipe-jacking method engineering, and the main principle of the thixotropic slurry drag reduction technology is as follows: in the pipe joint jacking process, thixotropic slurry is injected to the outer wall of the pipe through the grouting holes, a slurry sleeve with a smaller friction coefficient is formed at the periphery of the pipe joint, the thrust required by jacking is reduced, the disturbance to the stratum can be reduced, the construction safety is improved, after the pipe-jacking construction is completed, the grouting holes need to be plugged, and the sealing performance and the compressive strength of the pipe joint are ensured.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a push pipe slip casting hole block structure possesses the effectual advantage of shutoff, has solved current block structure and has operated comparatively inconveniently when the shutoff to the problem that people used not convenient for.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a push pipe slip casting hole block structure, includes sealing plug body and pipeline body, the top fixedly connected with closing plate of sealing plug body, the equal fixedly connected with dog in the left and right sides of sealing plug body, the through-hole has been seted up to the internal surface of dog, the bottom fixedly connected with second fixture block of dog, the sealed pad of bottom fixedly connected with of sealing plug body, the groove of hanging has been seted up at the top of pipeline body, the third draw-in groove has been seted up to the bottom of pipeline body, and hangs groove and third draw-in groove intercommunication, first draw-in groove has all been seted up to the left and right sides at pipeline body top, the second draw-in groove has all been seted up to the left and right sides of pipeline body internal surface and the bottom that is located the groove of hanging.

Preferably, the glue injection holes are formed in the left side and the right side of the inner surface of the sealing plate, first clamping blocks are fixedly connected to the left side and the right side of the bottom of the sealing plate, and the first clamping blocks are clamped in the inner cavity of the first clamping groove.

Preferably, the sealing plug body is placed in an inner cavity of the third clamping groove, the left side and the right side of the sealing gasket are in contact with the bottoms of the left side and the right side of the inner wall of the third clamping groove, the bottom of the stop block is in contact with the bottom of the inner wall of the hanging groove, and the second clamping block is clamped in the inner cavity of the second clamping groove.

Preferably, the sealing plug body comprises a base layer, a first functional layer and a second functional layer, the first functional layer comprises a nitrile rubber layer and a chlorinated polyethylene layer, and the second functional layer comprises an epoxy resin coating and a two-component polyurethane coating.

Preferably, the nitrile rubber layer is arranged on the outer side of the base layer, the chlorinated polyethylene layer is arranged on the outer side of the nitrile rubber layer, the epoxy resin coating is coated on the outer side of the chlorinated polyethylene layer, and the bi-component polyurethane coating is coated on the outer side of the epoxy resin coating.

Compared with the prior art, the utility model provides a push pipe slip casting hole block structure possesses following beneficial effect:

1. the utility model discloses a with the closing plate downstream, drive the sealing plug body downstream, place in the inner chamber of third draw-in groove until the sealing plug body, this moment, the bottom of closing plate and the top contact of pipeline body, first fixture block joint is in the inner chamber of first draw-in groove, the bottom of dog and the bottom contact of hanging the inslot wall, second fixture block joint is in the inner chamber of second draw-in groove, then will seal glue through annotating in the glue hole pours into the inner chamber of hanging the groove into, accomplish the fixed to the sealing plug body, it is comparatively inconvenient to have solved current shutoff structure and operate when the shutoff, thereby the problem that people used not convenient for.

2. The utility model discloses set up the closing plate including butadiene-acrylonitrile rubber layer and chlorinated polyethylene layer and the sealing plug body including epoxy coating and two component polyurethane coating, wherein, the butadiene-acrylonitrile rubber layer has good wearability, ageing resistance, the gas tightness, water proofness and good adhesive property, the chlorinated polyethylene layer has weather resistance, ozone resistance, chemicals resistance, ageing resistance, multiple advantages such as resistant oil and fire-retardant, the epoxy coating possesses high temperature resistant, corrosion-resistant, alkali-resistant, mould-proof, advantages such as water-resistant and anti-seepage, two component polyurethane coating have adhesive force strong, the wearability is good, hardness is big, advantage such as chemical resistance and weatherability are good, cooperation through above structure is used, effectively improve the corrosion resisting property and the ageing-resistant performance of pipeline body, further improve the life of pipeline body.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the sealing plug body of the present invention;

fig. 3 is a schematic structural diagram of a first functional layer of the present invention;

fig. 4 is a schematic structural diagram of a second functional layer of the present invention.

In the figure: 1. a sealing plug body; 101. a base layer; 102. a first functional layer; 1021. a nitrile rubber layer; 1022. a chlorinated polyethylene layer; 103. a second functional layer; 1031. an epoxy resin coating; 1032. a two-component polyurethane coating; 2. a pipe body; 3. injecting glue holes; 4. a first clamping block; 5. hanging a groove; 6. a second fixture block; 7. a gasket; 8. a first card slot; 9. a through hole; 10. a second card slot; 11. a third card slot; 12. a sealing plate; 13. and a stop block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like 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 to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses a sealing plug body 1, basic unit 101, first functional layer 102, butadiene-acrylonitrile rubber layer 1021, chlorinated polyethylene layer 1022, second functional layer 103, epoxy coating 1031, two component polyurethane coating 1032, pipeline body 2, injecting glue hole 3, first fixture block 4, string groove 5, second fixture block 6, sealed pad 7, first draw-in groove 8, through-hole 9, second draw-in groove 10, third draw-in groove 11,

closing plate

12 and 13 parts of dog are the parts that universal standard spare or technical personnel in the field know, its structure and principle all are this technical staff and all can learn through the technical manual or learn through conventional experimental method.

Referring to fig. 1-4, a plug tube grouting hole plugging structure comprises a plug body 1 and a pipeline body 2, the plug body 1 comprises a base layer 101, a first functional layer 102 and a second functional layer 103, the first functional layer 102 comprises a nitrile rubber layer 1021 and a chlorinated polyethylene layer 1022, the second functional layer 103 comprises an epoxy resin coating 1031 and a bi-component polyurethane coating 1032, the nitrile rubber layer 1021 is arranged on the outer side of the base layer 101, the chlorinated polyethylene layer 1022 is arranged on the outer side of the nitrile rubber layer 1021, the epoxy resin coating 1031 is arranged on the outer side of the chlorinated polyethylene layer 1022, the bi-component polyurethane coating 1032 is arranged on the outer side of the epoxy resin coating 1031, the nitrile rubber layer 1021 has good wear resistance, aging resistance, air tightness, water resistance and bonding performance, the chlorinated polyethylene layer 1022 has multiple advantages of weather resistance, ozone resistance, chemical resistance, aging resistance, oil resistance, flame retardance and the like, the epoxy resin coating 1031 has the advantages of high temperature resistance, corrosion resistance, alkali resistance, mildew resistance, water resistance, leakage resistance and the like, the two-component polyurethane coating 1032 has the advantages of strong adhesive force, good wear resistance, large hardness, good chemical resistance, good weather resistance and the like, the corrosion resistance and the aging resistance of the pipeline body 2 are effectively improved by the cooperation of the above structures, the service life of the pipeline body 2 is further prolonged, the top of the sealing plug body 1 is fixedly connected with a sealing plate 12, the left side and the right side of the inner surface of the sealing plate 12 are respectively provided with a glue injection hole 3, the left side and the right side of the bottom of the sealing plate 12 are respectively and fixedly connected with a first clamping block 4, the first clamping block 4 is clamped in the inner cavity of a first clamping groove 8, the left side and the right side of the sealing plug body 1 are respectively and fixedly connected with a stop block 13, the inner surface of the stop block 13 is provided with a through hole 9, the bottom of the stop block 13 is fixedly connected with a second clamping block 6, the bottom of the sealing plug body 1 is fixedly connected with a sealing gasket 7, hanging groove 5 has been seted up at the top of pipeline body 2, third draw-in groove 11 has been seted up to the bottom of pipeline body 2, and hang groove 5 and third draw-in groove 11 intercommunication, first draw-in groove 8 has all been seted up to the left and right sides at 2 tops of pipeline body, second draw-in groove 10 has all been seted up to the left and right sides of 2 internal surfaces of pipeline body and the bottom that is located hanging groove 5, sealing plug body 1 places in the inner chamber of third draw-in groove 11, and the bottom contact of the left and right sides of sealed pad 7 and the 11 inner wall left and right sides of third draw-in groove, the bottom of dog 13 and the bottom contact of hanging groove 5 inner walls, 6 joints of second fixture block are in the inner chamber of second draw-in groove 10.

When in use, the nitrile rubber layer 1021 has good wear resistance, aging resistance, air tightness, water resistance and excellent bonding performance, the chlorinated polyethylene layer 1022 has multiple advantages of weather resistance, ozone resistance, chemicals resistance, aging resistance, oil resistance, flame retardance and the like, the epoxy resin coating 1031 has the advantages of high temperature resistance, corrosion resistance, alkali resistance, mildew resistance, water resistance, leakage resistance and the like, the two-component polyurethane coating 1032 has the advantages of strong adhesive force, good wear resistance, high hardness, chemical resistance, good weather resistance and the like, through the matching use of the above structures, the corrosion resistance and the aging resistance of the pipeline body 2 are effectively improved, the service life of the pipeline body 2 is further prolonged, the sealing plate 12 is moved downwards to drive the sealing plug body 1 to move downwards until the sealing plug body 1 is placed in the inner cavity of the third clamping groove 11, at the moment, the bottom of the sealing plate 12 is contacted with the top of the pipeline body 2, first fixture block 4 joint is in the inner chamber of first draw-in groove 8, the bottom of dog 13 and the bottom contact of hanging 5 inner walls in groove, and second fixture block 6 joint is in the inner chamber of second draw-in groove 10, then will seal glue and pour into the inner chamber of hanging 5 in groove through annotating gluey hole 3, accomplish the fixed to sealing plug body 1, it is comparatively inconvenient to have solved current block structure operation when the shutoff to the problem that people used not convenient for.

While embodiments of the present invention have been shown and described, it will be apparent to those skilled in the art that various modifications and changes can be made in the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a push pipe slip casting hole block structure, includes sealing plug body (1) and pipeline body (2), its characterized in that: the sealing structure is characterized in that a sealing plate (12) is fixedly connected to the top of the sealing plug body (1), a stop block (13) is fixedly connected to the left side and the right side of the sealing plug body (1), a through hole (9) is formed in the inner surface of the stop block (13), a second clamping block (6) is fixedly connected to the bottom of the stop block (13), a sealing gasket (7) is fixedly connected to the bottom of the sealing plug body (1), a hanging groove (5) is formed in the top of the pipeline body (2), a third clamping groove (11) is formed in the bottom of the pipeline body (2), the hanging groove (5) is communicated with the third clamping groove (11), a first clamping groove (8) is formed in the left side and the right side of the top of the pipeline body (2), and a second clamping groove (10) is formed in the left side and the bottom of the hanging groove (5) in the left side and the right side of the inner surface of the pipeline body (2).

2. The pipe-jacking grouting hole plugging structure of claim 1, wherein: the left and right sides of the inner surface of the sealing plate (12) are provided with glue injection holes (3), the left and right sides of the bottom of the sealing plate (12) are fixedly connected with first clamping blocks (4), and the first clamping blocks (4) are clamped in the inner cavity of the first clamping groove (8).

3. The pipe-jacking grouting hole plugging structure of claim 1, wherein: the sealing plug body (1) is placed in an inner cavity of the third clamping groove (11), the left side and the right side of the sealing gasket (7) are in contact with the bottoms of the left side and the right side of the inner wall of the third clamping groove (11), the bottom of the stop block (13) is in contact with the bottom of the inner wall of the hanging groove (5), and the second clamping block (6) is clamped in the inner cavity of the second clamping groove (10).

4. The pipe-jacking grouting hole plugging structure of claim 1, wherein: the sealing plug body (1) comprises a base layer (101), a first functional layer (102) and a second functional layer (103), wherein the first functional layer (102) comprises a nitrile rubber layer (1021) and a chlorinated polyethylene layer (1022), and the second functional layer (103) comprises an epoxy resin coating (1031) and a double-component polyurethane coating (1032).

5. The pipe-jacking grouting hole plugging structure of claim 4, wherein: the acrylonitrile butadiene rubber layer (1021) is arranged on the outer side of the base layer (101), the chlorinated polyethylene layer (1022) is arranged on the outer side of the acrylonitrile butadiene rubber layer (1021), the epoxy resin coating (1031) is coated on the outer side of the chlorinated polyethylene layer (1022), and the two-component polyurethane coating (1032) is coated on the outer side of the epoxy resin coating (1031).