CN212535716U - Coal mining anti-collapse support - Google Patents

Abstract

The utility model discloses a coal mining prevents support that collapses relates to the relevant technical field of coal mining. The utility model discloses a adjustable shelf, mount, pneumatic cylinder, bearing seat and base, the bottom fixedly connected with bearing seat of base, the top fixedly connected with pneumatic cylinder of bearing seat, the output fixedly connected with roof of pneumatic cylinder, roof top fixedly connected with mount, the first spring of fixedly connected with between the base of bearing seat one side and the fly leaf, fixedly connected with second spring between the base of bearing seat opposite side and the fly leaf, the equal fixedly connected with universal wheel in four corners of fly leaf bottom. The utility model discloses an adjust the second sliding seat on first sliding seat on the adjustable shelf and the mount, can make the effectual and the ore deposit hole contact of adjustable shelf and mount, improve the supporting effect who prevents the support that collapses, first spring and second spring can drive the base and break away from ground after preventing the support that collapses and using simultaneously, realize this quick travel who prevents the support that collapses through the universal wheel.

Description

Coal mining anti-collapse support

Technical Field

The utility model belongs to the technical field of the coal mining is relevant, especially relate to a coal mining prevents support that collapses.

Background

The colliery is the area of human mining coal resources in the mining area that contains rich coal, generally divide into mineshaft coal mine and opencut coal mine, to the coal mining in-process, in order to prevent the colliery from collapsing, guarantee the safety mining of colliery, can set up the support of preventing collapsing in the mine opening usually, the frame of preventing collapsing in the use for current coal mine, because the top of colliery is irregular usually, the top of the support of preventing collapsing can't be according to the shape at colliery top makes the adjustment, make the support of preventing collapsing can't be effectual to the colliery, the support of preventing collapsing that has now simultaneously generally is for carrying, sometimes the structure of the support of preventing collapsing is comparatively heavy, it is very inconvenient to carry, inconvenient user of use, the limitation is great, can't satisfy the demand in the in-service use, so urgent need can the modified technique on the market, in order to solve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coal mining prevents support that collapses through setting up adjustable shelf, mount, fly leaf, universal wheel, first spring and second spring, has solved current coal mining with preventing that the support that collapses can't effectively contact with the mine opening, prevents that the support that collapses support effect is poor and prevent that the supporting structure that collapses is heavy, the inconvenient problem of carrying the removal.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a coal mining prevents support that collapses, including adjustable shelf, mount, pneumatic cylinder, bearing seat and base, the bottom fixedly connected with bearing seat of base, the top fixedly connected with pneumatic cylinder of bearing seat, the output fixedly connected with roof of pneumatic cylinder, the top fixedly connected with mount of roof, the central point that the mount is located the roof top puts, swing joint has the adjustable shelf on the roof of mount both sides, the bearing seat cover of base top has cup jointed the fly leaf, the first spring of fixedly connected with between the base of bearing seat one side and the fly leaf, fixedly connected with second spring between the base of bearing seat opposite side and the fly leaf, the equal fixedly connected with universal wheel in four corners of fly leaf bottom.

Furthermore, the movable frame of mount one side is provided with two, and the movable frame of mount opposite side is provided with two, connects into one row between movable frame and the mount, the movable frame of mount both sides uses the mount to distribute as central symmetry.

Further, the mount includes second sliding seat and dead lever, the bottom fixed connection of dead lever is on the roof, the top of dead lever is rotated and is connected with the second sliding seat.

Further, the adjustable shelf includes first sliding seat, lead screw and regulating wheel, the lead screw thread runs through the roof, the bottom fixedly connected with regulating wheel of lead screw, the first sliding seat of top fixedly connected with of lead screw.

Furthermore, the rubber pad is fixedly connected to the top of the first movable seat on the movable frame, and the rubber pad is fixedly connected to the top of the second movable seat on the fixed frame.

Furthermore, the first spring and the second spring are symmetrically distributed along the central line of the bearing seat, a connecting seat is fixedly connected between the movable plate and the base at the front side of the bearing seat, and a connecting seat is fixedly connected between the movable plate and the base at the rear side of the bearing seat.

The utility model discloses following beneficial effect has:

1. the utility model discloses a set up adjustable shelf and mount, when using, at first control pneumatic cylinder rebound, with the second sliding seat and the ore hole butt at mount top, according to the structure in ore hole after that, rotate the regulating wheel of adjustable shelf bottom, make the first sliding seat and the ore hole butt at adjustable shelf top, can support the ore hole through this support of preventing collapsing, first sliding seat and second sliding seat can be adjusted according to the structure in ore hole, make first sliding seat and second sliding seat can effectually contact with the ore hole, improve the supporting effect of this support of preventing collapsing.

2. The utility model discloses a set up fly leaf, universal wheel, first spring, base and second spring, after the use, reset the pneumatic cylinder, first spring and second spring can drive the base rebound this moment for the base breaks away from ground, makes the universal wheel contact ground of fly leaf bottom simultaneously, and under the effect of universal wheel this moment, can carry out quick removal with this support of preventing collapsing, the realization is to the quick transport of the support of preventing collapsing, effectively reduces workman's labour.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is an overall structure view of the base of the present invention attached to the ground;

FIG. 2 is an overall structure view of the base of the present invention separated from the ground;

FIG. 3 is a top view of the movable frame and the fixed frame of the present invention;

FIG. 4 is a structural diagram of the movable frame of the present invention;

fig. 5 is a structural view of the fixing frame of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a movable frame; 101. a first movable seat; 102. a screw rod; 103. an adjustment wheel; 2. a fixed mount; 201. a second movable seat; 202. fixing the rod; 3. a hydraulic cylinder; 301. a top plate; 4. a load bearing seat; 5. a movable plate; 501. a universal wheel; 6. a first spring; 7. a base; 701. a connecting seat; 8. a second spring; 9. and (7) a rubber pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-2, the utility model relates to a coal mining collapse prevention support, which comprises a movable frame 1, a fixed frame 2, a hydraulic cylinder 3, a bearing seat 4 and a base 7, wherein the bottom of the base 7 is fixedly connected with the bearing seat 4, the top of the bearing seat 4 is fixedly connected with the hydraulic cylinder 3, the hydraulic cylinder 3 is of the type MOB250 x 300, which is a common type on the market and not described herein, the hydraulic cylinder 3 is connected by an external controller, the control structure and the control mode do not belong to the necessary technical characteristics of the utility model, which is not described herein, the output end of the hydraulic cylinder 3 is fixedly connected with a top plate 301, the top of the top plate 301 is fixedly connected with the fixed frame 2, the movable frame 1 is movably connected on the top plate 301 of the fixed frame 2, the movable frame 4 above the base 7 is sleeved with a movable plate 5, a first spring 6 is fixedly connected between the base 7 on one side of the bearing seat 4 and the movable plate 5, fixedly connected with second spring 8 between base 7 and the fly leaf 5 of 4 opposite sides of bearing seat, the equal fixedly connected with universal wheel 501 in four corners of fly leaf 5 bottom, during the use, remove through control pneumatic cylinder 3, pneumatic cylinder 3 removes and drives roof 301 and remove, roof 301 removes and drives adjustable shelf 1 and mount 2 synchronous motion on it, the equal butt in top that makes adjustable shelf 1 and mount 2 is on the mine opening, support the colliery through adjustable shelf 1 and mount 2, can carry out quick transport removal to this support of preventing collapsing through universal wheel 501.

As shown in fig. 1, 3, 4 and 5, two movable frames 1 are arranged on one side of a fixed frame 2, two movable frames 1 are arranged on the other side of the fixed frame 2, the movable frames 1 on two sides of the fixed frame 2 are symmetrically distributed by taking the fixed frame 2 as a center, the top of the fixed frame 2 is abutted with a mine opening, the movable frames 1 are adjusted according to the structure of the mine opening, the movable frames 1 are abutted with the mine opening, and the mine opening is supported by the movable frames 1 and the fixed frame 2;

the fixed frame 2 comprises a second movable seat 201 and a fixed rod 202, the bottom end of the fixed rod 202 is fixedly connected to a top plate 301, the top end of the fixed rod 202 is rotatably connected with the second movable seat 201, the second movable seat 201 can be rotatably adjusted according to the surface condition of the mine cavity, so that the second movable seat 201 can be smoothly attached to the mine cavity and further can effectively support the mine cavity, the movable frame 1 comprises a first movable seat 101, a screw rod 102 and an adjusting wheel 103, the screw rod 102 penetrates through the top plate 301 in a threaded manner, the bottom end of the screw rod 102 is fixedly connected with the adjusting wheel 103, the top end of the screw rod 102 is fixedly connected with the first movable seat 101, after the second movable seat 201 is abutted to the mine cavity, the adjusting wheel 103 is rotated at the moment to drive the screw rod 102 to rotate, the screw rod 102 is rotated to drive the first movable seat 101 to move up and down, at the moment, according to the structure of the mine cavity, the first movable seat, the support of the mine hole can be completed;

the top fixedly connected with rubber pad 9 of first sliding seat 101 on adjustable shelf 1, the top fixedly connected with rubber pad 9 of second sliding seat 201 on mount 2, the setting of rubber pad 9 can be effectual the frictional force of the first sliding seat 101 of increase and ore hole, can increase the frictional force of second sliding seat 201 and ore hole for adjustable shelf 1 can be more steady with mount 2 support the ore hole.

Wherein, as shown in fig. 1-2, the first spring 6 and the second spring 8 are symmetrically distributed about the central line of the bearing seat 4, a connecting seat 701 is fixedly connected between the movable plate 5 and the base 7 at the front side of the bearing seat 4, a connecting seat 701 is fixedly connected between the movable plate 5 and the base 7 at the rear side of the bearing seat 4, the connecting seat 701 can be extended and retracted and can be adjusted according to the distance between the movable plate 5 and the base 7, so that the movable plate 5 can move up and down stably, after the use is finished, the hydraulic cylinder 3 is contracted to separate the movable frame 1 and the fixed frame 2 from the mine hole, at the moment, under the action of the first spring 6 and the second spring 8, the base 7 moves upwards and is separated from the ground, so that the universal wheel 501 at the bottom of the movable plate 5 contacts the ground, through promoting this support of preventing collapsing, under the effect of universal wheel 501, can carry out quick removal with this support of preventing collapsing.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (6)

1. The utility model provides a coal mining support that collapses, includes adjustable shelf (1), mount (2), pneumatic cylinder (3), bearing seat (4) and base (7), its characterized in that: the bottom fixedly connected with bearing seat (4) of base (7), top fixedly connected with pneumatic cylinder (3) of bearing seat (4), the output end fixedly connected with roof (301) of pneumatic cylinder (3), top fixedly connected with mount (2) of roof (301), swing joint has adjustable shelf (1) on roof (301) of mount (2) both sides, bearing seat (4) the cover of base (7) top has had fly leaf (5), fixedly connected with first spring (6) between base (7) of bearing seat (4) one side and fly leaf (5), fixedly connected with second spring (8) between base (7) of bearing seat (4) opposite side and fly leaf (5), the equal fixedly connected with universal wheel (501) in four corners of fly leaf (5) bottom.

2. The coal mining anti-collapse support according to claim 1, wherein the number of the movable frames (1) on one side of the fixed frame (2) is two, the number of the movable frames (1) on the other side of the fixed frame (2) is two, and the movable frames (1) on two sides of the fixed frame (2) are symmetrically distributed by taking the fixed frame (2) as a center.

3. The coal mining anti-collapse support according to claim 1, wherein the fixed frame (2) comprises a second movable seat (201) and a fixed rod (202), the bottom end of the fixed rod (202) is fixedly connected to the top plate (301), and the top end of the fixed rod (202) is rotatably connected with the second movable seat (201).

4. The coal mining anti-collapse support according to claim 1, wherein the movable frame (1) comprises a first movable seat (101), a screw rod (102) and an adjusting wheel (103), the screw rod (102) penetrates through a top plate (301) in a threaded mode, the adjusting wheel (103) is fixedly connected to the bottom end of the screw rod (102), and the first movable seat (101) is fixedly connected to the top end of the screw rod (102).

5. The coal mining anti-collapse support according to claim 1, characterized in that a rubber pad (9) is fixedly connected to the top of the first movable seat (101) on the movable frame (1), and a rubber pad (9) is fixedly connected to the top of the second movable seat (201) on the fixed frame (2).

6. The coal mining collapse prevention support according to claim 1, wherein the first spring (6) and the second spring (8) are symmetrically distributed around a center line of the bearing seat (4), a connecting seat (701) is fixedly connected between the movable plate (5) and the base (7) on the front side of the bearing seat (4), and a connecting seat (701) is fixedly connected between the movable plate (5) and the base (7) on the rear side of the bearing seat (4).

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