CN220849683U - Compressible well wall of steel cavity pine wood - Google Patents

Abstract

The utility model relates to the technical field of well construction engineering, in particular to a steel cavity pine compressible well wall which comprises an outer wall, a plurality of C-shaped steel members, a plurality of bolts and pine, wherein the outer wall is made of asphalt, the outer wall is arranged on the well wall, the plurality of C-shaped steel members are all resin-coated on the outer wall, two adjacent C-shaped steel members are connected through corresponding bolts, the C-shaped steel members are provided with cavities, and the pine is arranged in each cavity.

Description

Compressible well wall of steel cavity pine wood

Technical Field

The utility model relates to the technical field of well construction engineering, in particular to a steel cavity pine compressible well wall.

Background

With further development of mineral resources, deep mining has become an important direction of mining engineering, kilometer vertical technology has also developed along with the development, the existing deep surface soil vertical well wall mostly adopts a double-layer well wall structure, the outside well wall is constructed and then is subjected to wall sleeving construction on the inner side, in order to prevent deformation and damage of the well wall in the wall sleeving construction process, one or more layers of contractible node well walls are often constructed on the inner wall, the structure is a cavity structure of large-size steel pipes in the middle of webs on two sides, when the well wall is subjected to vertical pressure for a certain time, the situation that contractible nodes are compressed to deformation limit is caused by deformation of the compressible deformation well wall, at the moment, the practice of adding the contractible well wall is gradually raised, the existing post-adding contractible well wall mostly adopts the web steel pipe compression node and the pine structure compression node which are the same as the original contractible node structure, and the application in engineering gradually becomes mainstream because the pine structure compression node is a method of plugging a pine after the well wall slotting, the construction process is simple, and the slotting and the construction is small.

However, the existing pine compression joint has the problems of poor waterproof performance, poor integrity, poor durability and the like.

Disclosure of utility model

The utility model aims to provide a steel cavity pine compressible well wall, and aims to solve the technical problems of poor waterproof performance, poor integrity and poor durability of the existing pine compression joint in the prior art.

In order to achieve the above purpose, the steel cavity pine compressible well wall comprises an outer wall, a plurality of C-shaped steel members, a plurality of bolts and pine, wherein the outer wall is made of asphalt, the outer wall is arranged on the well wall, the plurality of C-shaped steel members are arranged on the outer wall, two adjacent C-shaped steel members are connected through the corresponding bolts, the C-shaped steel members are provided with cavities, and each cavity is internally provided with the pine.

The C-shaped steel member comprises transverse steel and two vertical steels, and two ends of the transverse steel are respectively connected with the corresponding vertical steels.

The number of the pine is multiple, and the multiple pine blocks are respectively arranged in the corresponding cavities.

The utility model relates to a steel cavity loose wood compressible well wall, which is characterized in that firstly, the cross-section size of a cavity is determined according to the size and the number of sections of the existing well wall, grooves and the height of the cavity are determined according to the required compressed height, the cavity is processed, the number of sections of the cavity is even so as to facilitate symmetric construction, firstly, the cavity is processed, thick asphalt is composited on the outer layer, preassembling is carried out after the processing is finished, the shape of the cavity is consistent with the shape of the well wall structure, the groove is processed by central symmetry of a well shaft, the length of one groove is one section of cavity length, two cavities are clamped in grooves symmetrically after the groove is finished, the bolts are reserved to plug the loose wood from other positions, adjacent symmetrical grooves are continuously processed, two cavities are connected through corresponding bolts after the adjacent cavities are positioned, the reserved bolts are filled with loose wood after the fastening is finished, the reserved bolts are pushed until a closed compressible annular well wall structure is formed, the integrity of a compressible device is realized through the connection between the cavities, the waterproof compression of the rubber outside the cavities is realized, the waterproof performance of the compressible well wall is poor, and the existing compression performance is poor, and the integral compression resistance is solved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic structural view of a steel cavity pine compressible borehole wall of the present utility model.

Figure 2 is an expanded schematic view of a steel cavity pine compressible borehole wall of the present utility model.

1-Outer wall, 2-C steel member, 3-bolt, 4-pine, 5-transverse steel, 6-vertical steel and 7-cavity.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

Referring to fig. 1 and 2, fig. 1 is a schematic structural view of a steel cavity pine compressible well wall according to the present utility model, fig. 2 is an expanded schematic view of a steel cavity pine compressible well wall according to the present utility model, and the present utility model provides a steel cavity pine compressible well wall: the novel asphalt-coated steel well wall comprises an outer wall 1, a plurality of C-shaped steel members 2, a plurality of bolts 3 and pine 4, wherein the outer wall 1 is made of asphalt, the outer wall 1 is arranged on a well wall, the C-shaped steel members 2 are arranged on the outer wall 1, two adjacent C-shaped steel members 2 are connected through the corresponding bolts 3, the C-shaped steel members 2 are provided with cavities 7, and each cavity 7 is internally provided with the pine 4;

The C-shaped steel member 2 comprises a transverse steel 5 and two vertical steels 6, and two ends of the transverse steel 5 are respectively connected with the corresponding vertical steels 6;

The number of the pine 4 is multiple, and the multiple pine 4 are respectively arranged in the corresponding cavity 7.

In this embodiment, the cross-sectional dimension of the cavity 7 is first determined according to the dimension and the number of segments of the existing well wall, the grooving and the height of the cavity 7 are determined according to the required pressing height, the cavity 7 is processed, the number of segments of the cavity 7 is even, so as to facilitate symmetric construction, firstly, the cavity 7 is processed, thick asphalt is composited on the outer layer, preassembling is performed after the processing is completed, the shape of the cavity is ensured to be consistent with the structural shape of the well wall, grooving is performed symmetrically at the center of the well wall, the length of one grooving is the length of one cavity 7, two cavities 7 are clamped in grooves symmetrically after grooving is completed, the bolts 3 are reserved to be connected with other positions to plug the pine 4, adjacent symmetrical grooving is continued, two cavities 7 are connected through corresponding bolts 3 after the adjacent cavities 7 are positioned, the reserved bolt 3 connecting space is filled with the pine 4 after fastening is completed, the sealing is performed until a closed compressible annular structure is formed, the integrity of the compressible device is realized through the connection between the cavities 7, the compressible device is realized through the whole compression of the rubber layer, the waterproof layer of the compression device is realized, and the problem of poor compression performance is solved, and the existing compression performance is solved.

The utility model has the beneficial effects that: firstly, determining the cross-section size of the cavity 7 according to the size and the number of sections of the existing well wall, determining the grooving and the height of the cavity 7 according to the required pressing height, processing the cavity 7, wherein the number of sections of the cavity 7 is even so as to facilitate symmetric construction, firstly processing the cavity 7, compounding thick asphalt on the outer layer, preassembling after processing is finished, ensuring that the shape of the cavity is consistent with the shape of the well wall structure, carrying out grooving construction by the central symmetry of a well shaft, carrying out grooving for the length of one section of cavity 7, symmetrically plugging two cavities 7 in grooves after grooving is finished, reserving the bolts 3 to connect with other positions, tightly plugging the pine 4, continuing to carry out adjacent symmetrical grooving, connecting two cavities 7 by the corresponding bolts 3 after the adjacent cavities 7 are positioned, and after fastening, tightly filling the reserved bolt 3 connecting space by the pine 4, so as to form a closed compressible annular well wall structure, realizing the integrity of the compressible device by the connection between the cavities 7, and realizing poor compression resistance of the waterproof layer 4 by the waterproof layer of the cavity 7, thus solving the problem of poor compression resistance.

The above disclosure is only a preferred embodiment of the present utility model, and it should be understood that the scope of the utility model is not limited thereto, and those skilled in the art will appreciate that all or part of the procedures described above can be performed according to the equivalent changes of the claims, and still fall within the scope of the present utility model.

Claims (3)

1. A steel cavity pine wood compressible well wall is characterized in that,

Including outer wall, a plurality of C shape steel member, a plurality of bolt and pine, the outer wall is made for pitch, the outer wall sets up on the wall of a well, and a plurality of C shape steel member all sets up on the outer wall, and adjacent two connect through corresponding between the C shape steel member the bolt, C shape steel member is provided with the cavity, every be provided with in the cavity the pine.

2. The steel cavity pine compressible borehole wall of claim 1, wherein,

The C-shaped steel member comprises transverse steel and two vertical steels, and two ends of the transverse steel are respectively connected with the corresponding vertical steels.

3. The steel cavity pine compressible borehole wall of claim 2, wherein,

The number of the pine is multiple, and the multiple pine blocks are respectively arranged in the corresponding cavities.