CN209942862U

CN209942862U - Adjustable stroke translation structure of tunnel support

Info

Publication number: CN209942862U
Application number: CN201920538690.4U
Authority: CN
Inventors: 吴义昌; 潘芮; 安文哲; 毛杰; 朱成宝; 李琳; 范娜娜; 董志芳; 谢鹏飞
Original assignee: ANHUI MINING ELECTROMECHANICAL EQUIPMENT Co Ltd
Current assignee: ANHUI MINING ELECTROMECHANICAL EQUIPMENT Co Ltd
Priority date: 2019-04-19
Filing date: 2019-04-19
Publication date: 2020-01-14
Anticipated expiration: 2029-04-19

Abstract

The utility model belongs to the technical field of mining supporting equipment, in particular to a roadway support adjustable stroke translation structure, wherein a support adjusting jack is arranged on a support, the support adjusting jack is arranged in a cavity of a bottom plate of a base, and a plurality of fixing holes leading to the cavity for placing the support adjusting jack are arranged on the bottom plate of the base; the two support adjusting jacks are arranged on two sides of the vertical plate of the base. To the condition that the tunnel adopts two to be listed as the support and strutted, can carry out two pairwise matchings with the support in two support supporting units, reach the purpose of aversion through flexible accent frame jack between two supports of mutually supporting, solved and adopted the fork to move the problem that the operating space is narrow and small inconvenient to remove in the tunnel.

Description

Adjustable stroke translation structure of tunnel support

Technical Field

The utility model belongs to the technical field of mining supporting equipment, concretely relates to adjustable stroke translation structure of tunnel support.

Background

The supports supported by the independent roadway are arranged along the roadway, after coal mining, the supports close to the coal face are only required to be moved to the tail part of the row, and the rest supports are independently supported without moving, so that the unloading and re-supporting times are greatly reduced; the existing independent roadway support bracket needs to adopt forking equipment to adjust the support position after the single track is lifted to support the support position, and compared with the condition that the width of a roadway is narrow, the independent roadway support bracket can be operated in a single-row mode.

Disclosure of Invention

In order to overcome the shortcomings of the prior art, the utility model provides an adjustable stroke translation structure of a roadway support.

The utility model discloses a realize through following technical scheme: a roadway support adjustable stroke translation structure comprises a top beam, an upright post, a base and a support adjusting jack, wherein the upright post comprises a post body and a push rod sleeved in the post body; the base is a T-shaped structural member consisting of a bottom plate and a vertical plate, at least two upright columns are arranged, a plurality of upright columns are respectively arranged on two sides of the vertical plate of the base, the frame adjusting jack is arranged in a cavity of the bottom plate of the base, and a plurality of fixing holes leading to the cavity for placing the frame adjusting jack are formed in the bottom plate of the base; the two support adjusting jacks are arranged on two sides of the vertical plate of the base.

Furthermore, five fixing holes leading to the cavity for placing the corresponding support adjusting jack are formed in the two sides of the bottom plate of the base.

Furthermore, each support adjusting jack is fixed and limited by a pin shaft penetrating through any one matched fixing hole.

Furthermore, the push rod is hinged with the top beam ball.

The utility model discloses constitute a plurality of supports and be a set of supporting unit, be provided with in the tunnel with tunnel length assorted U type support top, the U type is strutted the inboard and is equipped with the supporting unit that two sets of symmetries set up, the middle part that the U type supported the top is equipped with the monorail and hangs, the monorail hangs and is used for the hoist and mount aversion to the support, the concrete operating procedure of the adjustable stroke translation structure of tunnel support is as follows:

when the support needs to be shifted for supporting, two supports matched with the two groups of supporting units are lifted by the lifting hook on the monorail crane at the same time and are moved to the designated position, two supports matched with the two groups of supporting units are used as an adjusting unit group, the upright post of one support in the adjusting unit group is lifted firstly, so that the support plays a role of supporting the U-shaped supporting roof, selecting a proper fixing hole on the bottom plate by the support adjusting jack of the support which has the supporting function, limiting and fixing the support adjusting jack and the base by a pin shaft, then selecting a proper fixing hole on the bottom plate by the support adjusting jack of the other support in the adjusting unit group, limiting and fixing by the pin shaft, movably and fixedly connecting the support adjusting jacks of the two supports through a connecting piece, supplying oil to the support adjusting jack of the support which has the supporting function, and pushing the support which does not have the supporting function to move to a proper supporting position; then lifting the upright post of the bracket which reaches the supporting position to support the U-shaped supporting roof, retracting the upright post of the bracket which has supported the U-shaped supporting roof previously, supplying oil to the support adjusting jack of the bracket which has the supporting function at the moment, pushing the bracket which has not supported to move to a proper supporting position, then supplying oil to the upright post of the bracket which has not supported to push the bracket which has not supported to support the U-shaped supporting roof; and finally, the movable fixed connection of the frame adjusting jacks of the two supports is released, and the frame adjusting jacks are placed at the initial position of the bottom plate and are fixed and limited by pin shafts.

The utility model has the advantages that: increase on the support and transfer a jack, to the condition that two supports were strutted in the tunnel adoption, can carry out two liang of matchs with two supports that are listed as in the support strut unit, reach the purpose of aversion through flexible accent a jack between two supports of mutually supporting, solved and adopted the fork to move the problem that the operating space is narrow and small inconvenient to remove in the tunnel. Meanwhile, the bottom plate is provided with a plurality of fixing holes, and the adjusting jack adopts different fixing holes for limiting, so that the purpose of changing the stroke of the adjusting jack extending out of the cavity of the bottom plate can be achieved.

Drawings

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

FIG. 2 is a top cross-sectional view of FIG. 1;

FIG. 3 is a schematic structural view of the pillar of the present invention;

fig. 4 is a schematic structural view of the hoop of the present invention;

FIG. 5 is a schematic view of the monorail crane hoisting bracket of the utility model;

FIG. 6 is a left side cross-sectional view of FIG. 5;

FIG. 7 is a schematic view of the connection of the jack supports of two supports;

FIG. 8 is a schematic view of the support of the present invention;

fig. 9 is a schematic view of the bracket supporting the U-shaped supporting roof of the present invention;

in the figure, 1, a U-shaped supporting top, 2, a support, 2-1, a top beam, 2-2, an upright post, 2-21, a cylinder, 2-22, a push rod, 2-3, a base, 2-31, a bottom plate, 2-311, a fixing hole, 2-32, a vertical plate, 2-4, a frame adjusting jack, 2-5, a hoop, 2-51, a semicircular ring, 2-52, an arc buckle, 3, a monorail crane, 4 and a connecting piece.

Detailed Description

The invention will be further explained below with reference to the drawings and examples.

As shown in fig. 1 to 9, a roadway support adjustable stroke translation structure, a support 2 comprises a top beam 2-1, an upright column 2-2, a base 2-3 and an adjusting jack 2-4, wherein the upright column 2-2 comprises a column body 2-21 and a push rod 2-22 sleeved in the column body 2-21, one end of the column body 2-21 of the upright column 2-2, which is far away from the push rod 2-22, is fixed on the base 2-3, and the push rod 2-22 of the upright column 2-2 is connected with the top beam 2-1; the base 2-3 is a T-shaped structural member consisting of a bottom plate 2-31 and a vertical plate 2-32, at least two upright columns 2-2 are arranged, a plurality of upright columns 2-2 are respectively arranged on two sides of the vertical plate 2-32 of the base 2-3, the frame adjusting jack 2-4 is arranged in a cavity of the bottom plate 2-31 of the base 2-3, the cavity of the bottom plate 2-31 is a through hole structure and is used for arranging the frame adjusting jack 2-4, and a plurality of fixing holes 2-311 leading to the cavity for placing the frame adjusting jack 2-4 are arranged on the bottom plate 2-31 of the base 2-3; two frame adjusting jacks 2-4 are arranged, and the two frame adjusting jacks 2-4 are positioned at two sides of the vertical plate 2-32 of the base 2-3.

As a modification of the embodiment, two sides of the bottom plate 2-31 of the base 2-3 are respectively provided with five fixing holes 2-311 leading to the cavity for placing the corresponding frame adjusting jack 2-4. Each support adjusting jack 2-4 is fixed and limited by a pin shaft penetrating through any one matched fixing hole 2-311. Under the condition that the support adjusting jack 2-4 is not changed, the support adjusting jack 2-4 is fixedly connected by adopting different fixing holes 2-311, so that the stroke of the support adjusting jack 2-4 extending out of the cavity of the bottom plate 2-31 of the support 2 can be changed.

As a modification of the embodiment, the push rod 2-22 is in ball joint with the top beam 2-1. The top beam 2-1 can swing around the central axis of the push rod 2-22, so that the top beam 2-1 can adapt to the unevenness of the top plate, and the support effect of the bracket 2 is better.

As an improvement of this embodiment, as shown in fig. 1 and 4, the bracket 2 further includes an anchor ear 2-5, the anchor ear 2-5 includes a semicircular ring 2-51 and an arc buckle 2-52 movably hinged at two ends of the semicircular ring 2-51, free ends of the two arc buckles 2-52 are movably connected through a bolt, the anchor ear 2-5 is sleeved on a column 2-21 of the upright column 2-2, and the semicircular ring 2-51 of the anchor ear 2-5 is fixed on a vertical plate 2-32 of the base 2-3. The two hinged arc buckles 2-52 are closed and then are firmly connected and fixed by bolts, and the anchor ear 2-5 plays a role in supporting and fixing the upright post 2-2.

The utility model also provides a use method of the roadway support adjustable stroke translation structure, as shown in figures 1 to 8, the roadway support adjustable stroke translation structure comprises any one of the roadway support adjustable stroke translation structures, a plurality of supports 2 are arranged as a group of supporting units, a U-shaped supporting roof 1 matched with the roadway length is arranged in the roadway, two groups of supporting units which are symmetrically arranged are arranged at the inner side of the U-shaped supporting roof 1, a monorail crane 3 is arranged at the middle part of the U-shaped supporting roof 1, the monorail crane 3 is used for hoisting and shifting the supports 2, the two supports 2 matched with the two groups of supporting units are used as an adjusting unit group, in order to accurately understand the working principle of the roadway support, the two supports 2 matched with each other in the two groups of supporting units are taken for principle description, the other supports 2 matched with each other in the two groups of supporting units have the same adjusting principle and are described simultaneously, the two mutually matched supports are named as a support I and a support II respectively, and the specific operation steps of the roadway support adjustable stroke translation structure are as follows:

when the support 2 needs to be shifted for supporting, the support I and the support II which are matched with each other in two groups of supporting units are lifted by a lifting hook on a monorail crane 3 at the same time, after the support is moved to a designated position, firstly, an upright post 2-2 of the support I is lifted, so that the support I plays a role of supporting a U-shaped supporting top 1, then, a proper fixing hole 2-311 on a bottom plate 2-31 is selected for a support adjusting jack 2-4 of the support I, the support adjusting jack 2-4 is limited and fixed on a base 2-3 by a pin shaft, then, a proper fixing hole 2-311 on the bottom plate 2-31 is selected for a support adjusting jack 2-4 of the support II, the support adjusting jacks 2-4 of the two supports are movably and fixedly connected through a connecting piece, oil is supplied to the support adjusting jack 2-4 of the support I, and the support I plays a supporting role, the support I is locked at the moment, the support II is pushed to move by the support adjusting jacks 2-4, and when the support II moves to a proper supporting position, the support adjusting jacks 2-4 of the support I stop acting; lifting the upright post 2-2 of the bracket II to enable the bracket II to support the U-shaped supporting roof 1, retracting the upright post 2-2 of the bracket I which supports the U-shaped supporting roof 1 previously, supplying oil to the adjusting jack 2-4 of the bracket II which plays a supporting role at the moment, pushing the bracket I which does not play a supporting role to move, stopping the adjusting jack 2-4 of the bracket II after the bracket I moves to a proper supporting position, supplying oil to the upright post 2-2 of the bracket I which does not play a supporting role at the moment, and pushing the bracket I which does not play a supporting role to support the U-shaped supporting roof 1; and finally, the movable fixed connection of the support adjusting jacks 2-4 of the support I and the support adjusting jacks 2-4 of the support II is released, the support adjusting jacks 2-4 of the support I and the support adjusting jacks 2-4 of the support II are placed at the initial positions of the bottom plates 2-31 of the corresponding supports 2 and fixed and limited by pin shafts, and at the moment, the support adjusting jacks 2-4 are completely positioned in the cavities of the bottom plates 2-31, so that no additional space is occupied. And other mutually matched supports 2 in the two groups of support units are subjected to support adjustment by adopting the support adjustment principle.

The movable connection of the connecting piece 4 adopted by the frame adjusting jacks 2-4 of the support I and the frame adjusting jacks 2-4 of the support II can be realized through a connecting plate provided with a pin shaft hole, and meanwhile, the connection mode of the frame adjusting jacks 2-4 of the support I and the frame adjusting jacks 2-4 of the support II can be that a piston rod of one frame adjusting jack is movably connected with a cylinder body of the other frame adjusting jack, or the movable connection between the piston rods of the two frame adjusting jacks and the piston rod or between the cylinder body and the cylinder body.

Claims

1. The utility model provides an adjustable stroke translation structure of tunnel support which characterized in that: the support (2) comprises a top beam (2-1), an upright post (2-2), a base (2-3) and an adjusting jack (2-4), the upright post (2-2) comprises a post body (2-21) and a push rod (2-22) sleeved in the post body (2-21), one end, far away from the push rod (2-22), of the post body (2-21) of the upright post (2-2) is fixed on the base (2-3), and the push rod (2-22) of the upright post (2-2) is connected with the top beam (2-1); the base (2-3) is a T-shaped structural member consisting of a bottom plate (2-31) and a vertical plate (2-32), at least two upright columns (2-2) are arranged, a plurality of upright columns (2-2) are respectively arranged on two sides of the vertical plate (2-32) of the base (2-3), the frame adjusting jacks (2-4) are arranged in cavities of the bottom plate (2-31) of the base (2-3), and a plurality of fixing holes leading to the cavities for placing the frame adjusting jacks (2-4) are formed in the bottom plate (2-31) of the base (2-3); two frame adjusting jacks (2-4) are arranged, and the two frame adjusting jacks (2-4) are positioned at two sides of the vertical plate (2-32) of the base (2-3).

2. The adjustable stroke translation structure of a roadway support of claim 1, wherein: two sides of the bottom plate (2-31) of the base (2-3) are respectively provided with five fixing holes leading to the cavity for placing the corresponding frame adjusting jack (2-4).

3. The roadway support adjustable stroke translation structure of claim 2, wherein: each support adjusting jack (2-4) is fixed and limited by a pin shaft penetrating any one matched fixing hole.

4. The adjustable stroke translation structure of a roadway support of claim 1, wherein: the push rod (2-22) is hinged with the top beam (2-1) in a ball joint mode.