CN214697842U - Mine vertical shaft pipeline expansion piece protector - Google Patents

Abstract

The utility model relates to a mine vertical shaft protection field, concretely relates to mine vertical shaft pipeline expansion bend protector, including setting up the guard flap in pipeline expansion bend top. The utility model has the advantages that: when sundries fall down from the upper part, the protective baffle can block the heavy impact of the sundries, protect the pipeline expansion piece from being damaged, can play a role in protecting the pipeline expansion piece, has simple integral structure and principle, and is suitable for large-scale popularization and use.

Description

Mine vertical shaft pipeline expansion piece protector

Technical Field

The utility model relates to a mine vertical shaft pit shaft protection field, concretely relates to mine vertical shaft pit shaft pipeline expansion bend protector.

Background

The shaft is the main entrance and exit of the mine reaching the ground, and the shaft is generally provided with drainage, sprinkling, air compression, cooling and other pipelines which are used for throat engineering of drainage, sprinkling, air compression, cooling and other systems. In order to protect the pipeline from thermal expansion and cold contraction, a pipeline expansion piece is arranged on the pipeline, and a first pipeline expansion piece is generally arranged at a position about 100m below a wellhead, and is arranged at a position about 100 m-150 m below the wellhead. The characteristics of a vertical shaft and the limitation of the external environment are combined, a corrugated compensator is generally selected as a pipeline expansion piece, and a corrugated pipe of a component of the pipeline expansion piece is difficult to bear external force impact and can cause system shutdown and even mine shutdown once damaged. In a vertical shaft, particularly in a lifting shaft, coal or ore scattering is difficult to completely avoid in the loading and unloading process of a wellhead, so that the pipeline expansion piece is threatened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mine vertical shaft pipeline expansion bend protector to block the debris that the top fell, protect the expansion bend not damaged.

The utility model discloses a realize solving above-mentioned technical problem through following technical means: a protection device for a mine vertical shaft pipeline expansion piece comprises a protection baffle arranged above the pipeline expansion piece.

The utility model provides a mine vertical shaft pit shaft pipeline expansion bend protector when actual application, when there is debris to fall down in the top, guard flap can block hitting heavily of debris, and the protection pipeline expansion bend does not receive the damage, can play the guard action to the pipeline expansion bend, and its overall structure, principle are comparatively simple, are fit for using widely on a large scale.

Optimally, the pipeline expansion piece is connected with the pipeline above the pipeline expansion piece through a pipe sleeve, and the protective baffle is arranged on the outer wall of the pipe sleeve.

Preferably, a support frame is arranged between the lower part of the outer end of the protective baffle and the pipe sleeve.

Optimally, the inner part of the protective baffle is high and the outer part is low.

Preferably, the protective baffle is pyramid or cone.

Preferably, the projection of the protective baffle along the axial direction of the pipeline expansion piece is in a fan ring shape.

Preferably, the projection of the outer edge of the protective baffle along the axial direction of the pipeline expansion piece is circular.

Preferably, the projection of the outer edge of the protective baffle along the axial direction of the pipeline expansion piece is rectangular.

Preferably, the pipeline expansion piece further comprises a protective cylinder sleeved outside the pipeline expansion piece, and the top end of the protective cylinder is connected to the edge of the protective baffle.

The protection cylinder can cover the pipeline expansion piece from the side surface, so that the pipeline expansion piece is separated from the outside, and the pipeline expansion piece is protected from being damaged by falling objects from the outside.

Preferably, the upper surface of the protective baffle is provided with a cushion.

The cushion can play the cushioning effect to the debris that fall on the guard flap, reduces the hitting to guard flap, slows down that guard flap is impaired, prolongs its life, can also the noise abatement's production simultaneously.

The utility model has the advantages that:

1. the utility model provides a mine vertical shaft pit shaft pipeline expansion bend protector when actual application, when there is debris to fall down in the top, guard flap can block hitting heavily of debris, and the protection pipeline expansion bend does not receive the damage, can play the guard action to the pipeline expansion bend, and its overall structure, principle are comparatively simple, are fit for using widely on a large scale.

2. The protection cylinder can cover the pipeline expansion piece from the side surface, so that the pipeline expansion piece is separated from the outside, and the pipeline expansion piece is protected from being damaged by falling objects from the outside.

3. The cushion can play the cushioning effect to the debris that fall on the guard flap, reduces the hitting to guard flap, slows down that guard flap is impaired, prolongs its life, can also the noise abatement's production simultaneously.

Drawings

Fig. 1 is a top view of a protector for a shaft pipe expansion piece of a vertical shaft of a middling mine according to an embodiment of the present invention;

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

fig. 3 is a top view of a protector for a shaft pipe expansion piece of a mine shaft in a second mine of the embodiment of the present invention;

fig. 4 is a schematic view of the arrangement of the protector for the shaft line expansion piece of the vertical shaft in the mine in the second embodiment of the present invention in the shaft;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 4;

fig. 6 is a schematic view illustrating the connection between the guard shield and the guard cylinder according to the second embodiment of the present invention;

fig. 7 is a top view of a protector for a shaft pipe expansion piece of a vertical shaft of a third middle mine according to an embodiment of the present invention;

fig. 8 is a schematic connection diagram of a guard flap and a guard cylinder in the third embodiment of the present invention;

wherein, the pipeline expansion piece-1, the protective baffle-2, the pipeline-3, the pipe sleeve-4, the supporting frame-5 and the protective cylinder-6.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are 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 efforts belong to the protection scope of the present invention.

The first embodiment is as follows:

as shown in fig. 1 and 2, the protector for the mine vertical shaft pipeline expansion piece comprises a protective baffle 2 and a support frame 5.

As shown in fig. 1 and 2, the protective baffle 2 is disposed above the pipeline expansion piece 1, specifically, the pipeline expansion piece 1 is connected with a pipeline 3 above the pipeline expansion piece 1 through a pipe sleeve 4, the pipe sleeve 4 is a steel pipe sleeve, the pipe sleeve 4 is sleeved outside a joint of the pipeline expansion piece 1 and the pipeline 3 to connect the pipeline expansion piece 1 and the pipeline 3, the connection manner is the prior art, and for example, the pipeline 3 and the pipe sleeve 4, and the pipe sleeve 4 and the pipeline expansion piece 1 are connected by welding.

As shown in fig. 1 and 2, the protective barrier 2 is disposed on the outer wall of the pipe sleeve 4. In this embodiment, the protective baffle 2 is high inside and low outside. The projection of the protective baffle 2 along the axial direction of the pipeline expansion piece 1 is in a fan-shaped ring shape, and the whole shape of the protective baffle 2 is a part of a conical surface. Set up support frame 5 between 2 outer end below of guard flap and pipe box 4, support frame 5 props up 2 outer ends of guard flap, as shown in fig. 1, in this embodiment, support frame 5 sets up threely, and in the projection of three support frame 5 along 1 axis direction of pipeline expansion bend, the contained angle between the projection of two adjacent support frames 5 is 90.

In this embodiment, the inner end of the protective baffle 2 is welded on the outer wall of the pipe sleeve 4, and the two ends of the support frame 5 are respectively welded on the outer wall of the pipe sleeve 4 and below the outer end of the protective baffle 2.

Further, a soft cushion (not shown in the figure) is arranged on the upper surface of the protective baffle 2. The soft pad can be made of rubber pads, foam pads, cotton pads and the like and is paved on the upper surface of the protective baffle 2 by gluing or mounting screws and the like.

Example two:

the difference between this embodiment and the first embodiment is:

as shown in fig. 3 and 6, the protective baffle 2 is conical. The projection of the outer edge of the protective baffle 2 along the axial direction of the pipeline expansion piece 1 is circular. As shown in fig. 3, four support frames 5 are provided, and an included angle between two adjacent support frames 5 is 90 °.

Further, as shown in fig. 6, the pipeline expansion device further comprises a protective cylinder 6 sleeved outside the pipeline expansion device 1, the top end of the protective cylinder 6 is connected to the edge of the protective baffle 2, and the top end of the protective cylinder 6 can be connected to the edge of the protective baffle 2 through welding or bolt connection. In this embodiment, the protective cylinder 6 is a cylinder, and further, for convenience of installation, the protective baffle 2 can be split into a plurality of petals and then be split on the outer wall of the pipe sleeve 4, and then be welded to form a whole, meanwhile, the protective cylinder 6 can also be split into a plurality of petals by the same method and then be split and connected, and the petals of the protective cylinder can be connected together by bolts or welding to facilitate installation and replacement.

The protective cylinder 6 can adopt a steel plate with the thickness of 2mm, and is anticorrosive with a shaft pipeline. The length of the protective cylinder 6 is based on the length of the protective cylinder which can wrap the pipeline expansion piece 1.

Furthermore, an access window (not shown in the figure) can be formed in the casing 6, the number of the access windows is set according to actual requirements, in the embodiment, four access windows are formed on two opposite surfaces, and each surface is provided with two access windows, namely, 2 access windows are formed in the same surface and on the same axis. In addition, the number and the positions of the access windows can be flexibly set according to actual requirements, and the number and the positions are not limited to the above embodiment.

The hinged maintenance window door that sets up on the access panel, the articulated shaft is along vertical direction, and on the access panel door normally closed and blocked with the lockpin, the access panel door was opened in the maintenance, and the spacing with pit shaft promotion container when the access panel door was opened will guarantee standard requirement.

In addition, furtherly, according to actual demand, still can set the articulated shaft of access door to the horizontally, and the articulated shaft is located the top of access door, and during the natural state promptly, under the action of gravity of access door, the access door naturally droops to close, when needing to overhaul, from the lower extreme lift open the access door can, the access door usually closes and with the lockpin card on.

In practical application, the protector for the pipeline expansion device of the mine vertical shaft in the embodiment is installed at a corresponding position of the pipeline expansion device 1, and the position of the protector in the shaft is shown in fig. 4 and 5.

Example three:

the difference between this embodiment and the second embodiment is:

as shown in fig. 7 and 8, the protective barrier 2 is in a pyramid shape, in this embodiment, it is in a quadrangular pyramid shape, and a projection of an outer edge of the protective barrier 2 along an axial direction of the pipeline expansion device 1 is in a rectangular shape. The support frames 5 are four, the included angle between every two adjacent support frames 5 is 90 degrees, and each support frame 5 is supported in the middle position of the outer edge of the corresponding protective baffle 2. Two adjacent protective baffle plates 2 are connected by welding.

Further, as shown in fig. 8, the casing 6 in the present embodiment has a rectangular cylindrical shape, and the tip of the casing 6 is connected to the edge of the protective barrier 2.

The utility model provides a mine vertical shaft pipeline expansion bend protector can use in the protection of the pipeline expansion bend 1 of the different degree of depth, to the different degree of depth circumstances, the hitting dynamics that it received is different, through spilling coal or the analysis of ore operation hypothetical trajectory, 1 vertical direction of pipeline expansion bend be that the well bore central line direction receives to spill coal or ore impact possibility big. The specification and the material of each part of the mine vertical shaft pipeline expansion piece protection device are recommended to be as shown in the following table 1:

TABLE 1 mine vertical shaft pipe line telescopic device protector each part specification and material recommendation table

The working principle is as follows:

the utility model provides a mine vertical shaft pit shaft pipeline expansion bend protector when in actual use, when there is debris to fall down in the top, guard flap 2 can block hitting heavily of debris, and protection pipeline expansion bend 1 does not receive the damage, can play the guard action to pipeline expansion bend 1, and its overall structure, principle are comparatively simple, are fit for using widely on a large scale.

The protective cylinder 6 can cover the pipeline expansion piece 1 from the side surface, so that the pipeline expansion piece is separated from the outside, and the pipeline expansion piece 1 is protected from being damaged by falling objects from the outside. The cushion can play the cushioning effect to the debris that fall on protective baffle 2, reduces the hitting to protective baffle 2, slows down protective baffle 2 impaired, prolongs its life, can also the noise abatement's production simultaneously.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (9)

1. The utility model provides a mine vertical shaft pit shaft pipeline expansion bend protector which characterized in that: comprises a protective baffle (2) arranged above a pipeline expansion piece (1);

the pipeline expansion piece (1) is connected with the pipeline (3) above the pipeline expansion piece through a pipe sleeve (4), and the protective baffle (2) is arranged on the outer wall of the pipe sleeve (4).

2. The mine shaft wellbore tubular extension guard of claim 1, wherein: and a support frame (5) is arranged between the lower part of the outer end of the protective baffle (2) and the pipe sleeve (4).

3. The mine shaft conduit retractor guard of any of claims 1-2 wherein: the inner part of the protective baffle (2) is high and the outer part is low.

4. The mine shaft wellbore tubular extension guard of claim 3, wherein: the protective baffle (2) is in a pyramid shape or a cone shape.

5. The mine shaft conduit retractor guard of any of claims 1-2 wherein: the projection of the protective baffle (2) along the axis direction of the pipeline expansion piece (1) is fan-shaped.

6. The mine shaft conduit retractor guard of any of claims 1-2 wherein: the projection of the outer edge of the protective baffle (2) along the axis direction of the pipeline expansion piece (1) is circular.

7. The mine shaft conduit retractor guard of any of claims 1-2 wherein: the projection of the outer edge of the protective baffle (2) along the axis direction of the pipeline expansion piece (1) is rectangular.

8. The mine shaft conduit retractor guard of any of claims 1-2 wherein: the pipeline expansion device further comprises a protective cylinder (6) sleeved outside the pipeline expansion device (1), and the top end of the protective cylinder (6) is connected to the edge of the protective baffle (2).

9. The mine shaft conduit retractor guard of any of claims 1-2 wherein: the upper surface of the protective baffle (2) is provided with a soft cushion.

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