CN215213501U - Shaft contractible pipeline and shaft contractible device - Google Patents

Abstract

The utility model discloses a contractible pipeline of shaft and contractible device of shaft, the contractible pipeline of shaft includes: a plurality of supporting beams are vertically arranged at intervals, and each supporting beam is fixed on the inner side of the well wall; the pipeline supporting pieces are horizontally connected to the supporting beams, and each pipeline supporting piece is provided with a vertical through hole; the retractable pipeline comprises two coaxial rigid pipes and a flexible pipe connected between the two rigid pipes, at least one retractable pipeline is arranged between two adjacent supporting beams, the rigid pipes of the retractable pipeline penetrate through the through holes and are supported on the pipeline supporting piece, and the retractable pipelines between the supporting beams are sequentially connected. The utility model discloses can be under the circumstances of guaranteeing the pipeline normal use, cracked condition appears in the pipeline when can effectual prevention wall of a well takes place to destroy, can effectually prevent because the pipeline breaks water supply, drainage, row's mud, air feed scheduling problem that appears, be the key that guarantees that whole mine can be safe, normal operating.

Description

Shaft contractible pipeline and shaft contractible device

Technical Field

The utility model relates to a mine construction technical field, specifically speaking relates to a contractible pipeline of shaft and contractible device of shaft.

Background

Since 1987, more than 100 wellholes have been subjected to borehole wall rupture disasters in China, and the engineering characteristics are as follows: (1) the concrete on the inner wall is stripped in a blocking manner, so that the bearing capacity of the well wall is seriously weakened, and facilities and equipment in the well are crushed; (2) the well wall is seriously compressed, a shaft cage guide beam is bent upwards, and cage guides, drain pipes, ladders and the like are unstable and distorted and deformed, so that serious shaft lifting safety accidents are caused; (3) water leakage and even sand entrainment at the broken part of the well wall; (4) the fracture positions are concentrated, and most of the fracture positions are concentrated near the interface of the fourth series deep topsoil layer and the bedrock. The shaft wall is broken more easily and produces decurrent removal under the effect of vertical additional force at the shaft in the fourth system topsoil layer, depends on all girder steels on the pit shaft inner wall to and all pipelines that are connected with the girder steel appear decurrent displacement along with sinking of the shaft wall.

The well wall fracture mechanism is as follows: mining activity causes the surface soil aquifer to lose water, causes the water level to descend, and the effective stress that the aquifer bore increases, and the surface soil layer takes place to consolidate and subsides, and the soil layer is exerted a decurrent face power, additional force for wall of a well external surface when sinking, and this power constantly increases and leads to the wall of a well destruction. For the situation, no method for effectively solving the problem of fracture caused by displacement of the well bore and the pipeline in the well bore exists.

SUMMERY OF THE UTILITY MODEL

For solving the above problem, the utility model provides a contractible pipeline of shaft, include:

a plurality of supporting beams are vertically arranged at intervals, and each supporting beam is fixed on the inner side of the well wall;

the pipeline supporting pieces are horizontally connected to the supporting beams, and each pipeline supporting piece is provided with a vertical through hole;

the retractable pipelines, any retractable pipeline comprises two coaxial rigid pipes and a flexible pipe connected between the two rigid pipes,

at least one retractable pipeline is arranged between two adjacent supporting beams, a rigid pipe of the retractable pipeline penetrates through the through hole to be supported on the pipeline supporting piece, and the retractable pipelines between the supporting beams are sequentially connected.

Preferably, flanges are arranged at two ends of the flexible pipe, flanges are arranged at two ends of the rigid pipe, and the rigid pipe is coaxially connected with the flexible pipe through the flanges and is fastened through fastening bolts.

Preferably, the end of the rigid pipe, which is not connected to the flexible pipe, is fixedly connected to the pipeline support member by a flange.

Preferably, the flange at the end of the rigid tube not connected to the flexible tube is located at the upper end of the tube support.

Preferably, a positioning bolt is further arranged, the positioning bolt penetrates through the flange plates at two ends of the flexible pipe, and a spring is sleeved on the outer wall of the positioning bolt, which is positioned between the two flange plates of the flexible pipe.

Preferably, the flexible tube is a rubber tube.

The utility model also provides a retractable device of shaft, include as above retractable pipeline of shaft, still include the retractable mechanism of the wall of a well that at least one vertical interval set up, retractable mechanism of arbitrary wall of a well includes:

the annular groove is coaxially arranged on the inner side of the well wall;

a compressible material filled in the annular groove,

any supporting beam is arranged on the upper inner side well wall of the compressible material in the well wall retractable mechanism.

The utility model discloses an add the flexible tube that can the compressed in the middle of having incompressible rigidity pipe, the problem that the pipeline takes place to remove when the wall of a well compression destroys can be solved. Can be under the circumstances of guaranteeing pipeline normal use, cracked condition appears in the pipeline when can effectual prevention wall of a well takes place to destroy, can effectually prevent because the pipeline breaks water supply, drainage, row's mud, the air feed scheduling problem that appears, guarantee that whole mine can be safety, normal operating's key.

Drawings

The above features and technical advantages of the present invention will become more apparent and readily appreciated from the following description of the embodiments thereof, taken in conjunction with the accompanying drawings.

Fig. 1 is a schematic view showing the installation of a retractable pipeline of a shaft according to an embodiment of the present invention;

FIG. 2 is a sectional view taken along line 1-1 of FIG. 1;

FIG. 3 is a schematic diagram illustrating a flexible pipe according to an embodiment of the present invention;

fig. 4 is a schematic diagram showing the well wall retractable mechanism according to the embodiment of the present invention.

Detailed Description

Embodiments of the retractable shaft line and the retractable shaft device according to the present invention will be described with reference to the accompanying drawings. Those of ordinary skill in the art will recognize that the described embodiments can be modified in various different ways, or combinations thereof, without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims. Furthermore, in the present description, the drawings are not to scale and like reference numerals refer to like parts.

The retractable shaft pipeline of the embodiment comprises at least two supporting beams 1 which are arranged at intervals in the vertical direction, and each supporting beam 1 is fixed on the wall of the shaft, in particular to the inner side of the wall of the shaft. In order to fix the support beam 1, the support beam 1 may be fixedly connected with the inner side of the well wall through a bracket. Each supporting beam 1 is horizontally connected with a pipeline supporting piece 2, and each pipeline supporting piece 2 is provided with a vertical through hole.

The retractable conduit comprises two rigid tubes 3 which are coaxial and a flexible tube 5 connected between the two rigid tubes 3. Rubber tubes such as hydraulic hoses may be used. Has certain compressibility and certain supporting capacity. The flexible pipe 5 is provided with flanges 4 at two ends, the rigid pipe 3 is coaxially connected with the flexible pipe through the flanges 4, and the flanges 4 are fastened through fastening bolts 6.

The rigid pipe 3 passes through the pipe support 2 and the end of the rigid pipe not connected to the flexible pipe 5 is fixedly connected to the pipe support 2 by means of a flange 4, and preferably the flange 4 is located at the upper end of the pipe support 4. The rigid tube 3 is supported by a flange 4. Thereby fixedly supporting the retractable pipeline on the support beam 1. The retractable pipelines between the supporting beams are connected in sequence, so that the retractable pipelines can be used for conveying media.

A plurality of the shaft retractable pipelines can be vertically connected along the well wall, each supporting beam 1 is fixed on the well wall through a bracket, and the retractable pipelines are connected among the supporting beams 1 on each layer through pipeline supporting pieces 2. Therefore, when the well wall generates vertical displacement due to vertical additional force, the vertical displacement is transmitted to the rigid pipe 3 through the supporting beam 1 and the pipeline supporting piece 2, the rigid pipe 3 also generates corresponding vertical displacement, and due to the characteristic of large compressible deformation of the flexible pipe, the pipeline can be protected from being broken and damaged.

Further, when the retractable pipeline is displaced vertically, in order to ensure that the flexible pipe 5 can be uniformly pressed in the vertical direction, as shown in fig. 2, a positioning bolt 8 is additionally arranged outside the fastening bolt 6, the positioning bolt 8 penetrates through the flange plates 4 at the two ends of the flexible pipe 5, and a spring 7 is sleeved on the outer wall of the positioning bolt between the two flange plates 4 of the flexible pipe 5. This allows the flexible tube 5 to remain vertical under the action of the spring 7 when the borehole wall is not displaced vertically. The positioning bolt 8 is not particularly limited in position, and may be located inside the fastening bolt 6.

Preferably, the shaft retractable pipeline of the embodiment is further provided with a shaft wall retractable mechanism in a matched manner, and the shaft wall retractable mechanism is used in a matched manner with the shaft wall retractable mechanism, the shaft wall retractable mechanism comprises a compressible material 12 between the upper inner layer shaft wall 10 and the lower inner layer shaft wall 11, specifically, an annular groove is formed on the inner side of the shaft wall, the compressible material 12 is embedded in the annular groove, and under the condition that the shaft wall is compressible, the shaft wall cannot be broken and damaged. And, under the condition of wall compression, the wall compression deformation is transmitted to the supporting beam 1 and absorbed by the flexible pipe 5 of the retractable pipeline, thereby protecting the pipeline from being broken and damaged. Thus, the support beam 1 may be installed in a position above the compressible material 12 in the borehole wall retractable mechanism. To secure the compressible material 12, an annular support plate, for example, is positioned radially inward of the compressible material 12 and is coupled to the upper inner well wall 10 and the lower inner well wall 11. And some, for example, ring-shaped water stop plates may be further provided, which are not described in detail herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A shaft retractable duct, comprising:

a plurality of supporting beams are vertically arranged at intervals, and each supporting beam is fixed on the inner side of the well wall;

the pipeline supporting pieces are horizontally connected to the supporting beams, and each pipeline supporting piece is provided with a vertical through hole;

the retractable pipelines, any retractable pipeline comprises two coaxial rigid pipes and a flexible pipe connected between the two rigid pipes,

at least one retractable pipeline is arranged between every two adjacent supporting beams, a rigid pipe of each retractable pipeline penetrates through the through hole to be supported on the pipeline supporting piece, and the retractable pipelines between the supporting beams are sequentially connected.

2. A shaft yieldable line according to claim 1,

the two ends of the flexible pipe are provided with flanges, the two ends of the rigid pipe are provided with flanges, and the rigid pipe is coaxially connected with the flexible pipe through the flanges and is fastened through fastening bolts.

3. A shaft yieldable conduit according to claim 2, wherein the end of the rigid tube not connected to the flexible tube is fixedly connected to the conduit support by a flange.

4. A shaft yieldable conduit according to claim 3, wherein the flange at the end of the rigid tube not connected to the flexible tube is located at the upper end of the conduit support.

5. A shaft retractable duct according to claim 2, further comprising a positioning bolt which penetrates the flanges at the two ends of the flexible tube, wherein a spring is fitted around the outer wall of the positioning bolt between the two flanges of the flexible tube.

6. A shaft yieldable line according to claim 1,

the flexible pipe is a rubber pipe.

7. A shaft retractable device comprising a shaft retractable duct according to any one of claims 1 to 6 and at least one vertically spaced apart shaft wall retractable mechanism, any shaft wall retractable mechanism comprising:

the annular groove is coaxially arranged on the inner side of the well wall;

a compressible material filled in the annular groove,

any supporting beam is arranged on the upper inner side well wall of the compressible material in the well wall retractable mechanism.

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