CN220395690U

CN220395690U - Shaft heightening ring structure

Info

Publication number: CN220395690U
Application number: CN202321417656.4U
Authority: CN
Inventors: 钟晓华; 张瑜; 王攀
Original assignee: Mcc Huacheng Wuhan Engineering Technology Co ltd
Current assignee: Shanghai Ruiqiao Civil Engineering Consulting Co ltd
Priority date: 2023-06-05
Filing date: 2023-06-05
Publication date: 2024-01-26
Anticipated expiration: 2033-06-05

Abstract

The utility model discloses a shaft heightening ring structure, which comprises a heightening ring body, wherein an annular groove is formed in the inner wall of the upper part of the heightening ring body, a convex ring which is in fit connection with the annular groove is arranged in the inner wall of the lower part of the heightening ring body, a first lug and a first caulking groove are arranged in the inner wall of the annular groove, and a second caulking groove which can be in fit connection with the first lug and a second lug which can be in fit connection with the first caulking groove are arranged in the convex ring; the first lug and the first caulking groove are on the same diameter line, and the second lug and the second caulking groove are on the same diameter line; the inner diameter of the annular groove is slightly larger than the outer diameter of the convex ring, and the depth of the annular groove is slightly larger than the height of the convex ring. The utility model is provided with the convex blocks, the caulking grooves, the convex rings and the annular grooves, the convex rings are connected with the annular grooves in a matching way to prevent the dislocation in the horizontal direction between the two heightened rings, and the convex blocks are connected with the caulking grooves in a matching way to prevent the rotation displacement between the two heightened rings; the caulking groove and the convex block are adopted to be assembled in a crossed way, so that the accurate assembly position can be found out quickly in construction.

Description

Shaft heightening ring structure

Technical Field

The utility model relates to the technical field of municipal engineering construction, in particular to a shaft heightening ring structure.

Background

In recent years, the number of underground projects in cities is increasing, and various underground projects are filled with streets and alleys, such as pipe galleries, drainage pipe networks, power pipe networks and the like. But due to the non-standardized construction of each project in the earlier stage, ground subsidence, ground projects and the like, a plurality of set wellheads are buried, and the meaning and the effect of setting the wellheads are lost. And because most of the wellheads are buried, rainwater flows backward, the safety of underground engineering is seriously influenced, and great difficulty is caused to the later operation, inspection and maintenance.

The general brickwork structure inspection shaft mainly carries out the brick according to the size and the shape of drawing to carry out simple cement to smear the maintenance to the outer layer, this kind of operation mode generally needs 2 to 3 days 'operation time, and engineering quality relies on workman's construction technique to a great extent, and construction quality is different, and structural strength is not enough, can not ensure the maintenance of later stage, and even the whole collapse appears in later stage, causes very big potential safety hazard to maintainer.

The prefabricated well is adopted in the prior art, and because the prefabricated well is manufactured in advance, when the prefabricated well is aimed at wells with different heights, the height of the prefabricated well is insufficient, and the prefabricated well needs to be heightened, but the heightened ring in the prior art has no positioning and fixing structure, and when the heightened ring is heightened, dislocation and displacement can be generated, so that the construction effect of the prefabricated well is influenced.

Accordingly, there is a need for a wellbore collar structure that addresses the above-described problems.

Disclosure of Invention

In view of the foregoing drawbacks of the prior art, an object of the present utility model is to provide a wellbore casing structure for solving the foregoing problems.

The utility model provides a pit shaft increases ring structure, includes increases the ring body, the upper portion inner wall of increasing the ring body is provided with the annular, the lower part inner wall of increasing the ring body is provided with the bulge loop of being connected with the annular cooperation, the annular inner wall is provided with first lug and first caulking groove, the bulge loop is provided with the second caulking groove that can be connected with first lug cooperation and the second lug that can be connected with first caulking groove cooperation.

Preferably, the first bump and the first caulking groove are on the same diameter line.

Preferably, the second bump and the second caulking groove are on the same diameter line.

Preferably, the inner diameter of the ring groove is slightly larger than the outer diameter of the convex ring, and the depth of the ring groove is slightly larger than the height of the convex ring.

Preferably, the size of the first bump is slightly smaller than the size of the second caulking groove.

Preferably, the size of the second bump is slightly smaller than the size of the first caulking groove.

Preferably, the first bump, the second bump, the first caulking groove and the second caulking groove are all arc-shaped or trapezoid-shaped.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model is provided with the convex blocks, the caulking grooves, the convex rings and the annular grooves, the convex rings are connected with the annular grooves in a matching way to prevent the dislocation in the horizontal direction between the two heightened rings, and the convex blocks are connected with the caulking grooves in a matching way to prevent the rotation displacement between the two heightened rings; the caulking groove and the convex block are adopted to be assembled in a crossed way, so that the accurate assembly position can be found out quickly in construction.

Drawings

FIG. 1 is a diagram of a wellbore elevation loop configuration of the present utility model;

FIG. 2 is a top view block diagram of the present utility model;

FIG. 3 is a bottom view of the structure of the present utility model;

FIGS. 4 and 5 are block diagrams of another embodiment of the tab and slug of the utility model;

FIG. 6 is a cross-sectional view of the raised ring body of the present utility model;

fig. 7 and 8 are schematic views showing the assembled state of the raised ring body of the present utility model.

Reference numerals in the drawings: 1. a heightening ring body; 2. a ring groove; 3. a convex ring; 4. a first bump; 5. a first caulking groove; 6. a second bump; 7. and a second caulking groove.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

Embodiments of the utility model are described in detail below with reference to the attached drawings, but the utility model can be implemented in a number of different ways, which are defined and covered by the claims.

As shown in fig. 1 and in combination with fig. 2 to 8, a shaft heightening ring structure comprises a heightening ring body 1, wherein an annular groove 2 is arranged on the upper inner wall of the heightening ring body 1, a convex ring 3 matched and connected with the annular groove 2 is arranged on the lower inner wall of the heightening ring body 1, a first convex block 4 and a first caulking groove 5 are arranged on the inner wall of the annular groove 2, and a second caulking groove 7 matched and connected with the first convex block 4 and a second convex block 6 matched and connected with the first caulking groove 5 are arranged on the convex ring 3.

Further, the first bump 4 and the first caulking groove 5 are on the same diameter line.

Further, the second bump 6 and the second caulking groove 7 are on the same diameter line.

Further, the inner diameter of the ring groove 2 is slightly larger than the outer diameter of the convex ring 3, and the depth of the ring groove 2 is slightly larger than the height of the convex ring 3.

The adoption of the further technical scheme has the beneficial effects that: the interference fit is convenient for installation.

Further, the size of the first bump 4 is slightly smaller than the size (outer size, width) of the second caulking groove 7, and the interference fit is convenient for installation.

Further, the size of the second bump 6 is slightly smaller than the size (external size, width) of the first caulking groove 5, and the interference fit is convenient for installation.

Further, the first bump 4, the second bump 6, the first caulking groove 5 and the second caulking groove 7 are all arc-shaped or trapezoid-shaped.

The adoption of the further technical scheme has the beneficial effects that: the contact area between the arc-shaped or trapezoid-shaped lug root and the heightening ring body is large, and the connection strength of the lug is improved.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model is provided with the convex blocks, the caulking grooves, the convex rings 2 and the annular grooves 3 are connected in a matched manner, so that the dislocation in the horizontal direction between the two heightened rings can be prevented, and the convex blocks and the caulking grooves are connected in a matched manner, so that the rotational displacement between the two heightened rings can be prevented; the caulking groove and the convex block are adopted to be assembled in a crossed way, so that the accurate assembly position can be found out quickly in construction.

Working principle: the upper portion inner wall of heightening ring body 1 is provided with annular groove 2, and heightening ring body 1's lower part inner wall is provided with the bulge loop 3 of being connected with annular groove 2 cooperation, and annular groove 2 inner wall is provided with first lug 4 and first caulking groove 5, and the bulge loop is provided with second caulking groove 6 that can be connected with first lug 4 cooperation and can be connected with first caulking groove 5 cooperation second lug 7.

When the prefabricated well is required to be heightened during use, the heightening ring bodies 1 are overlapped together, two adjacent heightening bodies 1 are matched with the convex ring 3 through the annular groove 2, and the convex blocks are matched and connected with the caulking grooves.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes using the descriptions and drawings of the present utility model or directly or indirectly applied to other related technical fields are included in the scope of the utility model.

Claims

1. A wellbore heightening ring structure, characterized in that: the novel high-speed belt conveyer comprises a heightening ring body (1), wherein an annular groove (2) is formed in the inner wall of the upper part of the heightening ring body (1), a convex ring (3) which is connected with the annular groove (2) in a matched mode is arranged on the inner wall of the lower part of the heightening ring body (1), a first convex block (4) and a first caulking groove (5) are formed in the inner wall of the annular groove (2), and a second caulking groove (7) which can be connected with the first convex block (4) in a matched mode and a second convex block (6) which can be connected with the first caulking groove (5) in a matched mode are arranged on the convex ring (3); the first lug (4) and the first caulking groove (5) are positioned on the same diameter line; the second protruding block (6) and the second caulking groove (7) are arranged on the same diameter line; the inner diameter of the annular groove (2) is slightly larger than the outer diameter of the convex ring (3), and the depth of the annular groove (2) is slightly larger than the height of the convex ring (3); the first convex block (4), the second convex block (6), the first caulking groove (5) and the second caulking groove (7) are arc-shaped or trapezoid-shaped.

2. A wellbore height increasing loop structure according to claim 1, wherein: the size of the first protruding block (4) is slightly smaller than the size of the second caulking groove (7).

3. A wellbore height increasing loop structure according to claim 1, wherein: the second bump (6) has a size slightly smaller than the size of the first caulking groove (5).