CN213175690U - Coal face horizontal type advanced moving support bracket - Google Patents

Abstract

The utility model provides a coal face horizontal type moves ahead and struts support, includes the back timber, the seat goes up and down, the base, the stand, pass the jack and the jack of rectifying, the back timber adopts integral box structure, the stand includes that four two flexible stands arrange respectively in the four corners department of base, back timber and base are connected respectively to the both ends of seat goes up and down, the jack of rectifying includes that a plurality of arrange respectively in the four corners department of base, be used for helping to move the frame and rectify a deviation, the base of two adjacent coal face horizontal type moves ahead and strut support respectively is connected to the both ends of passing the jack. The top beam of the integral box-type structure is adopted to support the top plate, so that the supporting safety is improved, the two adjacent supporting supports can move transversely by means of mutual force, and the support forward movement correcting function is realized through the correcting jack.

Description

Coal face horizontal type advanced moving support bracket

Technical Field

The utility model relates to a hydraulic support technical field particularly, relates to a coal face horizontal advance moving support.

Background

The hydraulic support is a structure used for controlling mine pressure of a coal face, a two-lane advanced pressure area of the coal face of a coal mine needs to be reinforced and supported, a single hydraulic support is mainly erected manually and matched with a steel beam to carry out 'one beam two columns' shed lifting support, the shed lifting support row spacing is generally 800mm, the support range is 20m along the lane, as the work face is propelled, the tail end shed lifting beam needs to be removed manually and moved to the foremost end to be erected again, the labor intensity of workers is high, and the operation environment is poor.

CN210460722U discloses a coal mine tunnel removes and struts support, it adopts A, B frame type combination to form a whole alternate movement, and the frame type is complicated, prevents down the nature poor, and in addition form line contact with the roof, exists and strut neutral gear, security leak.

CN103061792B discloses a car type hydraulic support for coal mine, which is to improve the destructive repeated support of roof, and the top of the support is set to be supported by a horizontal jack between two roof beams, and is strengthened stably by an inner telescopic beam, so that the size of the movable rear support is reduced, and the movable rear support is retracted, and the movable rear support can be moved through the inner space of the front support, but the support is still complex in shape, and is not in contact with the roof, and the problems of supporting neutral gear and safety leak exist.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at is including providing a coal face horizontal type advance movement support, its back timber that adopts integral box structure carries out the face to the roof and supports, improves and struts safety, can borrow power with lateral shifting each other between double-phase adjacent support, realizes the support antedisplacement function of rectifying through the jack of rectifying.

The embodiment of the utility model discloses a realize through following technical scheme:

the utility model provides a coal face horizontal type moves ahead and struts support, includes the back timber, the seat goes up and down, the base, the stand, pass the jack and the jack of rectifying, the back timber adopts integral box structure, the stand includes that four two flexible stands arrange respectively in the four corners department of base, back timber and base are connected respectively to the both ends of seat goes up and down, the jack of rectifying includes that a plurality of arrange respectively in the four corners department of base, be used for helping to move the frame and rectify a deviation, the base of two adjacent coal face horizontal type moves ahead and strut support respectively is connected to the both ends of passing the jack.

Further, the base adopts the integral structure of ship type.

Furthermore, the lifting seat comprises pedestal, one-level lifter and second grade lifter, and the pedestal adopts the steel sheet welding to form the cavity cylinder, and one-level lifter, second grade lifter all overlap and locate the pedestal inboard in order to satisfy the big telescopic ratio requirement of two flexible stands.

Furthermore, a telescopic safe pedestrian mechanism is arranged between the horizontal type advanced moving support brackets of the two adjacent coal working faces.

Further, safe pedestrian mechanism includes that two steel sheet overlap joints form, and one side of two steel sheets is bolted fixation in adjacent base edge respectively, and the mutual overlap joint of opposite side of two steel sheets forms the gap bridge or overlaps.

Furthermore, two groups of pushing jacks are arranged between the horizontal type advanced moving support brackets of two adjacent coal working faces.

Further, the top beam is arranged to extend beyond the base to form a cantilever shield structure.

The utility model discloses technical scheme has following advantage and beneficial effect at least: the top beam of the integral box-type structure is adopted to support the top plate, so that the supporting safety is improved, the two adjacent supporting supports can move transversely by means of mutual force, and the support forward movement correcting function is realized through the correcting jack.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a front view of a coal face horizontal type advanced mobile support according to an embodiment of the present invention;

fig. 2 is a side view of a coal face horizontal advance mobile support according to an embodiment of the present invention;

fig. 3 is a top view of the embodiment of the present invention, which provides a horizontal type advanced mobile support for a coal face.

Icon: 100-top beam, 110-cantilever shield structure, 200-lifting seat, 300-base, 400-upright column, 500-pushing jack, 600-deviation-rectifying jack and 700-safe pedestrian mechanism.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description, and the description is simplified, but the indication or suggestion that the indicated device or element must have a specific position, be constructed in a specific position and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 3, the embodiment provides a coal face horizontal type advanced moving support, which includes a top beam 100, a lifting seat 200, a base 300, upright columns 400, a pushing jack 500 and a deviation rectifying jack 600, wherein the top beam 100 adopts an integral box-type structure, the upright columns 400 include four double telescopic upright columns respectively arranged at four corners of the base 300, two ends of the lifting seat 200 are respectively connected with the top beam 100 and the base 300, the deviation rectifying jack 600 includes a plurality of bases 300 respectively arranged at four corners of the base 300 and used for assisting in moving and rectifying deviation, and two ends of the pushing jack 500 are respectively connected with the bases 300 of two adjacent coal face horizontal type advanced moving support.

Wherein, the double telescopic columns in the columns 400 are hinged with the top beam 100, and the top beam 100 can be adjusted to a certain inclination angle in a supporting state to adapt to different on-site roof conditions.

Wherein, base 300 adopts ship type integral structure, and integral base 300 intensity is high, and area of earthing is big, and is less to the bottom plate specific pressure.

Wherein, the lifting seat 200 comprises pedestal, one-level lifter and second grade lifter, and the structure adopts steel sheet welding to form the cavity cylinder, and one-level lifter, second grade lifter all overlap and locate the pedestal inboard in order to satisfy the big ratio of expansion requirement of two flexible stands, play back timber 100 and the firm effect of base 300 interlinkage simultaneously

Further, a telescopic safe pedestrian mechanism 700 is arranged between the horizontal type advanced moving support brackets of the two adjacent coal working faces. This safe pedestrian mechanism 700 can be formed by two steel sheet overlap joints, and bolted connection is in adjacent base 300 edge respectively in one side of two steel sheets, and the mutual overlap joint of opposite side of two steel sheets forms the gap bridge or overlaps. When the pushing jack 500 extends out, the two pedestrian linking plates are mutually overlapped to form a gap bridge; when the pushing jack 500 is contracted, the two pedestrian link plates are overlapped.

Referring to fig. 3, two sets of pushing jacks 500 are provided between the two adjacent coal face horizontal advance moving support brackets.

Further, referring to fig. 2, the top beam 100 extends beyond the base 300 to form a cantilever shield structure 110, and the space below the shield is used as a coal transportation channel.

The workflow of this embodiment is as follows:

(1) moving the frame: the coal face horizontal type advance moving support generally comprises more than two supports, and a front support and a rear support are connected through a pushing jack 500; the front frame is lowered to the upright column 400, the front frame top beam 100 does not bear pressure, the rear frame top beam 100 keeps contacting with the top plate, and the front frame is transversely moved forwards by taking the rear frame as a base point through the outward extending pushing jack 500; the front frame extends the upright column 400, the front frame top beam 100 contacts the top plate, the rear frame descends the upright column 400, the rear frame top beam 100 is separated from the top plate, and the rear frame moves forwards transversely by taking the front frame as a base point through the retraction pushing jack 500;

(2) and (3) supporting: the top beam 100 is of a box-type integral shield structure, one side of the top beam 100 is connected with the base 300 through four upright posts 400 and a lifting seat 200 to form a support body, and the top beam 100 can support a top plate in full section surface contact; pedestrian safety distances are reserved among the four upright posts 400, and the front frame and the rear frame support are connected with a pedestrian passage through a pedestrian device; the other side of the top beam 100 is provided with a cantilever shield structure 110, and the lower part of the shield is used as a coal transportation channel;

(3) rectifying deviation: in the process of moving the horizontal type forepoling, the forepoling can be moved to the other side by stretching the correcting jack 600 at one side of the base 300 and supporting the forepoling by means of a roadway side or other objects, so that the forepoling can be corrected to the other side, and the effect of moving the forepoling according to a preset route is achieved.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to 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. The utility model provides a coal face horizontal advance moving support which characterized in that: including back timber, lift seat, base, stand, advancing jack and jack of rectifying, the back timber adopts integral box structure, the stand include four two flexible stands arrange respectively in the four corners department of base, the both ends of lift seat are connected respectively the back timber with the base, the jack of rectifying includes a plurality of arrange respectively in the four corners department of base, be used for helping to move the frame and rectify the deviation, the both ends of advancing the jack are connected double-phase neighbour respectively coal face horizontal type advance movement struts the support the base.

2. The coalface horizontal advance mobile support bracket of claim 1, characterized in that: the base adopts the integral structure of ship type.

3. The coalface horizontal advance mobile support bracket of claim 1, characterized in that: the lifting seat is composed of a seat body, a first-stage lifting rod and a second-stage lifting rod, the seat body is formed by welding steel plates to form a hollow cylinder, and the first-stage lifting rod and the second-stage lifting rod are all sleeved on the inner side of the seat body to meet the requirement of large expansion ratio of the double-expansion upright.

4. The coalface horizontal advance mobile support bracket of claim 1, characterized in that: and a telescopic safe pedestrian mechanism is arranged between the two adjacent coal face transverse type advanced moving support brackets.

5. The coalface horizontal advance mobile support bracket of claim 4, characterized in that: the safe pedestrian mechanism comprises two steel plates which are overlapped, wherein one sides of the two steel plates are respectively fixed on the edges of the adjacent bases through bolts, and the other sides of the two steel plates are overlapped to form a gap bridge or an overlap.

6. The coalface horizontal advance mobile support bracket of claim 1, characterized in that: two groups of pushing jacks are arranged between the two adjacent coal face transverse type advanced moving support brackets.

7. The coalface horizontal advance mobile support bracket of claim 1, characterized in that: the top beam extends out of the range of the base to form a cantilever shield structure.

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