CN211314255U

CN211314255U - Advance self-moving support of heading face

Info

Publication number: CN211314255U
Application number: CN201922060315.6U
Authority: CN
Inventors: 梁林生; 梁义文; 李冬; 李渊; 刘进; 刘明玉
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-08-21
Anticipated expiration: 2029-11-26

Abstract

The utility model relates to a supporting equipment of driving face, specifically be the leading self-advancing support of driving face, both ends below all is provided with stand and lower stand about preceding back timber and back timber respectively, it all adopts the hydro-cylinder to go up stand and lower stand, go up to connect through the stand adapter sleeve between stand and the lower stand, be connected with the tie-beam between the stand adapter sleeve around being located the left end, be connected with the tie-beam between the stand adapter sleeve around being located the right-hand member, the tie-beam all includes two connecting seats around, rear end connecting seat and little frame connection of advancing, little frame and big frame grafting of advancing are advanced, still fixed advancing hydro-cylinder on the rear end connecting seat, the piston rod and the big frame connection of advancing the hydro-cylinder, the equipartition has the forepoling. The advanced self-moving support for the heading face is convenient and efficient to support, can move automatically, can adapt to roadway support with gradient and different widths, and provides guarantee for safety support of the heading face.

Description

Advance self-moving support of heading face

Technical Field

The utility model relates to a supporting equipment of driving face specifically is driving face advance self-advancing support.

Background

The coal mining excavation face support requires that a temporary support is arranged firstly, and after the temporary support is arranged, an anchor rod, an anchor rope and a support net need to be manually driven for support, however, the arrangement of the temporary support is time-consuming and labor-consuming, the temporary support needs to be arranged again every time the coal mining excavation face is excavated for a certain distance, the excavation progress of the excavation face is seriously influenced, the arrangement of the temporary support is often abandoned for accelerating the excavation progress, the anchor rod, the anchor rope and the support net are directly driven for support, and due to the fact that the temporary support is not arranged for support, the condition that a worker.

Disclosure of Invention

The utility model discloses a solve the problem of coal mining tunnelling face support inefficiency, provide the advanced self-advancing support of tunnelling face.

The utility model discloses an adopt following technical scheme to realize: the advancing self-moving support for the heading face comprises a front top beam and a rear top beam, wherein an upper stand column and a lower stand column are respectively arranged below the left end and the right end of the front top beam and the rear top beam, the upper stand column and the lower stand column are respectively provided with an oil cylinder, the upper stand column and the lower stand column are connected through stand column connecting sleeves, a connecting beam is connected between the front stand column connecting sleeve and the rear stand column connecting sleeve which are positioned at the left end and the right end, the connecting beam is connected between the front stand column connecting sleeve and the rear stand column connecting sleeve which are positioned at the right end and comprises a front connecting seat and a rear connecting seat, the front connecting seat is connected with the front stand column connecting sleeve, the front connecting seat is connected with a large pushing frame, the rear connecting seat is connected with a small pushing frame, the small pushing frame is spliced with the large pushing frame, the pushing oil cylinder is further fixed.

The advancing self-moving support of the excavation face can replace a temporary support, a front canopy on a front top beam supports a top plate, and the self-moving support moves along the excavation direction after top plate anchor rods and a support net are supported at the position. When the movable support moves, the upper stand column on the rear top beam descends, the lower stand column is lifted, the rear top beam is in a suspended state, the pushing cylinder shrinks to pull the rear top beam forwards, the rear top beam avoids the anchor rod and the anchor lock, the lower stand column strides over a slag pile, the upper stand column on the rear top beam ascends and descends after the rear top beam is in place, the rear top beam props against the top plate, the lower stand column is supported on the bottom plate, the upper stand column on the front top beam descends and the lower stand column ascends, the front top beam is in a suspended state, the pushing cylinder extends to push the front top beam forwards, the front top beam avoids the anchor rod and the anchor lock, the lower stand column strides over the slag pile, the upper stand column on the front top beam ascends and the lower stand column.

Preferably, the front cantilever is hinged in front of the front cantilever, a support cylinder is hinged in front of the front cantilever, a hinge joint of the support cylinder is arranged below the hinge joint of the front cantilever, and a piston rod of the support cylinder is connected below the front cantilever. The supporting oil cylinder can control the front canopy to rotate downwards, and the lapping work of the top plate can be conveniently carried out after the front canopy rotates downwards for a certain angle.

Preferably, the front top beam and the rear top beam comprise top beams at the left end and the right end, the top beams at the left end and the right end are respectively connected with a connecting cross beam, the connecting cross beams are made of square steel, upper cross beams are inserted in the two connecting cross beams, a top beam oil cylinder is installed on one of the connecting cross beams, a piston rod of the top beam oil cylinder is connected to the upper cross beam, the front end connecting seat is hinged to the large pushing frame, and the rear end connecting seat is hinged to the small pushing frame. When the roadway is narrowed or widened, the front top beam and the rear top beam are controlled to be shortened or lengthened through the extension and retraction of the top beam oil cylinder, when the front top beam and the rear top beam are shortened or lengthened, a certain angle is formed between the large pushing frame and the small pushing frame and the front-rear end connecting seat, the large pushing frame and the small pushing frame can be aligned with the front-rear end connecting seat as long as the pushing oil cylinder extends or contracts, and the large pushing frame, the small pushing frame and the front-rear end connecting seat are also aligned with each other through the self-movement of the support.

Preferably, still include and draw the hydro-cylinder to one side, draw the top of hydro-cylinder to one side and articulate on last stand, and the bottom articulates on the connecting seat, and front and back end connecting seat articulates with front and back end stand adapter sleeve. When a slope exists in the roadway, if the front top beam is suspended in the self-moving process, the rear cable-stayed oil cylinder pulls the connecting beam upwards, the front top beam props against the top plate after the connecting beam is parallel to the slope surface of the slope, if the rear top beam is suspended, the rear cable-stayed oil cylinder pushes the connecting beam downwards, and the rear top beam props against the top plate after the rear connecting seat is perpendicular to the connecting beam.

Preferably, the rear part of the front top beam is hinged with a front cantilever, the front part and the rear part of the rear top beam are hinged with front cantilevers, the rear part of the front top beam and the front part and the rear part of the rear top beam are hinged with supporting oil cylinders, the hinged point of each supporting oil cylinder is arranged below the hinged point of the front cantilever, and the piston rods of the supporting oil cylinders are connected below the front cantilevers. Front canopy, back timber all set up the forestope, are in order to better to the roof support.

Preferably, the stand adapter sleeve is frame type structure, goes up the stand and connects respectively at the upper end and the lower extreme of frame type structure with lower stand, installs the bearing in the frame type structure, is provided with the horizontally pivot that both ends stretch out frame type structure in the bearing, and the connecting seat articulates on the stand adapter sleeve through the pivot.

The advanced self-moving support for the heading face is convenient and efficient to support, can move automatically, can adapt to roadway support with gradient and different widths, and provides guarantee for safety support of the heading face.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a view taken along direction a of fig. 1.

Fig. 3 is a view from direction B of fig. 1.

Fig. 4 is a partially enlarged view of fig. 3.

In the figure: 1-lower upright column, 2-upper upright column, 3-top beam, 4-connecting seat, 5-small pushing frame, 6-large pushing frame, 7-forepoling beam, 8-connecting beam, 9-upper beam, 10-upright column connecting sleeve, 11-top beam oil cylinder, 12-pushing oil cylinder, 13-supporting oil cylinder, 14-diagonal drawing oil cylinder and 15-rotating shaft.

Detailed Description

A heading face advance self-moving support comprises a front top beam and a rear top beam, wherein an upper upright post 2 and a lower upright post 1 are respectively arranged below the left end and the right end of the front top beam and the rear top beam, the upper upright post 2 and the lower upright post 1 are both provided with oil cylinders, the upper upright post 2 and the lower upright post 1 are connected through an upright post connecting sleeve 10, the upright post connecting sleeve 10 is of a frame structure, a connecting beam is connected between the front upright post connecting sleeve and the rear upright post connecting sleeve at the left end, a connecting beam is connected between the front upright post connecting sleeve and the rear upright post connecting sleeve at the right end, the connecting beam comprises a front connecting seat 4 and a rear connecting seat 4, the front connecting seat 4 is connected with the upright post connecting sleeve 10 at the front end, the front connecting seat 4 is connected with a large pushing frame 6, the rear connecting seat 4 is connected with a small pushing frame 5, the small pushing frame 5 is inserted with the large pushing frame 6, a pushing oil cylinder 12, the front top beams are evenly provided with front canopy beams 7.

The front cantilever 7 is hinged in front of the front cantilever, a support oil cylinder 13 is hinged in front of the front cantilever, the hinged point of the support oil cylinder 13 is below the hinged point of the front cantilever, and the piston rod of the support oil cylinder 13 is connected below the front cantilever.

Preceding back timber and back timber all include the back timber 3 of controlling both ends, be connected with respectively on the back timber at both ends about, connect crossbeam 8 and be the square steel, it has entablature 9 to peg graft in two connection crossbeams, install back timber hydro-cylinder 11 on one of them connection crossbeam 8, the piston rod of back timber hydro-cylinder is connected on entablature 9, the bearing is equipped with on front end connecting seat 4, install vertical pivot 15 in the bearing, front end connecting seat 4 passes through vertical pivot and passes frame 6 articulatedly greatly, the bearing is equipped with on back end connecting seat 4, install vertical pivot 15 in the bearing, back end connecting seat 4 passes through vertical pivot and passes frame 5 articulatedly for a short time.

The top end of the diagonal draw oil cylinder 14 is hinged on the upper upright post 2, the bottom end is hinged on the connecting seat 4, and the front-end and rear-end connecting seats 4 are hinged with the front-end and rear-end upright post connecting sleeves.

The rear of the front top beam is hinged with a front canopy 7, the front and the rear of the rear top beam are hinged with the front canopy 7, the rear of the front top beam and the front and the rear of the rear top beam are hinged with a supporting oil cylinder 13, the hinged point of the supporting oil cylinder 13 is arranged below the hinged point of the front canopy 7, and the piston rod of the supporting oil cylinder 13 is connected below the front canopy 7.

The stand adapter sleeve 10 is frame type structure, and upper column 2 and lower stand 1 are connected respectively in the upper end and the lower extreme of frame type structure, installs the bearing in the frame type structure, is provided with the pivot 15 that both ends stretch out the frame type structure in the bearing, and connecting seat 4 articulates on stand adapter sleeve 10 through the pivot.

Claims

1. The advancing self-moving support for the heading face is characterized by comprising a front top beam and a rear top beam, wherein an upper upright post (2) and a lower upright post (1) are respectively arranged below the left end and the right end of the front top beam and the rear top beam, the upper upright post (2) and the lower upright post (1) are respectively provided with an oil cylinder, the upper upright post (2) and the lower upright post (1) are connected through an upright post connecting sleeve (10), a connecting beam is connected between the front upright post connecting sleeve and the rear upright post connecting sleeve at the left end, the connecting beam is connected between the front upright post connecting sleeve and the rear upright post connecting sleeve at the right end, the connecting beam comprises a front connecting seat and a rear connecting seat (4), the front connecting seat (4) is connected with the upright post connecting sleeve (10) at the front end, the rear connecting seat (4) is connected with a large pushing frame (6), the rear connecting seat (4) is connected with the small pushing frame (5), the small pushing frame (5) is, a pushing cylinder (12) is further fixed on the rear end connecting seat (4), a piston rod of the pushing cylinder (12) is connected with the large pushing frame (6), and front top beams (7) are uniformly distributed on the front top beam.

2. The advancing self-moving support for the heading face according to claim 1, wherein the front cantilever (7) is hinged in front of the front cantilever, a support cylinder (13) is hinged in front of the front cantilever, the hinge point of the support cylinder (13) is below the hinge point of the front cantilever, and the piston rod of the support cylinder (13) is connected below the front cantilever.

3. The advancing self-moving support for the heading face according to claim 2, wherein the front top beam and the rear top beam comprise top beams (3) at left and right ends, connecting cross beams (8) are connected to the top beams at the left and right ends respectively, the connecting cross beams (8) are made of square steel, upper cross beams (9) are inserted in the two connecting cross beams, a top beam oil cylinder (11) is mounted on one of the connecting cross beams (8), a piston rod of the top beam oil cylinder is connected to the upper cross beam (9), the front end connecting seat (4) is hinged to the large pushing frame (6), and the rear end connecting seat (4) is hinged to the small pushing frame (5).

4. The advancing self-moving support for the heading face according to claim 3, further comprising a cable-stayed oil cylinder (14), wherein the top end of the cable-stayed oil cylinder (14) is hinged to the upper upright post (2), the bottom end of the cable-stayed oil cylinder is hinged to the connecting seat (4), and the front and rear end connecting seats (4) are hinged to the front and rear end upright post connecting sleeves.

5. The advancing self-moving support for the heading face according to claim 1, 2, 3 or 4, wherein a front cantilever (7) is hinged to the rear of the front top beam, the front cantilever (7) is hinged to the front and the rear of the rear top beam, supporting cylinders (13) are hinged to the rear of the front top beam and the front and the rear of the rear top beam, a hinge point of each supporting cylinder (13) is located below a hinge point of the front cantilever (7), and a piston rod of each supporting cylinder (13) is connected to the lower portion of the front cantilever (7).

6. The advancing self-moving support for the heading face according to claim 4, wherein the upright post connecting sleeve (10) is of a frame-shaped structure, the upper upright post (2) and the lower upright post (1) are respectively connected to the upper end and the lower end of the frame-shaped structure, a bearing is arranged in the frame-shaped structure, a rotating shaft (15) with two ends extending out of the frame-shaped structure is arranged in the bearing, and the connecting seat (4) is hinged on the upright post connecting sleeve (10) through the rotating shaft.