CN210829345U

CN210829345U - Suspension hydraulic support with front cantilever

Info

Publication number: CN210829345U
Application number: CN201921711610.7U
Authority: CN
Inventors: 魏海峰; 闫家正; 王均明; 李兵
Original assignee: Shandong Tianzhuang Coal Mining Co Ltd
Current assignee: Shandong Tianzhuang Coal Mining Co Ltd
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2020-06-23
Anticipated expiration: 2029-10-11

Abstract

The utility model discloses a suspension hydraulic support of area forestope, including the back timber, the both sides of back timber bottom all are equipped with the second hydraulic cylinder, the bottom of second hydraulic cylinder is equipped with the base that the cross section is the L type, the intermediate position of back timber top inner wall is equipped with the fixed block, and the both sides of fixed block all are equipped with first hydraulic cylinder, first hydraulic cylinder's one end is equipped with the forestope, the both ends of back timber bottom outer wall all articulate has adjustable fender, and just two adjustable fender's bottom all is provided with accomodates groove, two accomodate the both ends inner wall in groove and be connected with the rolling axle through the bearing, and the winding of circumference department of rolling axle has the dust screen. The utility model discloses the dust of avoiding tunnel both sides inner wall to produce drops the use that influences the pedestrian passageway, and the base of cross section for the L type avoids the dust that tunnel both sides inner wall dropped to pile up to the pedestrian passageway on, guarantees the clean unobstructed of pedestrian passageway.

Description

Suspension hydraulic support with front cantilever

Technical Field

The utility model relates to a mine underground mining technical field especially relates to a suspension hydraulic support of area forestope.

Background

When the existing integral top beam combined suspension hydraulic support is used in a coal mine, the hydraulic support has the advantages of simple structure, good integral stability, reduced labor intensity of workers, improved labor efficiency, less equipment investment and the like.

Through retrieval, chinese patent application No. CN200720032563.4 discloses a suspension hydraulic support with a front cantilever, the front and rear dragging beams are hinged with box plates, one end of a hydraulic cylinder is hinged with a top beam, the other end is hinged with the rear dragging beam, the front and rear dragging beams are suspended below the top beam by a compression spring device, the hydraulic prop below the rear of the top beam is hinged on a supporting seat, the hydraulic prop below the front is hinged on the supporting seat with a movable beam, a waste rock blocking plate is arranged below the rear of the top beam, and the bottom end of the hydraulic prop is inserted into a column shoe. The suspension hydraulic support with the front cantilever in the patent has the following defects: when the dust collector is used, dust falling from the inner walls of the two sides of the roadway falls into the pedestrian passageway, so that the walking of workers is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a suspension hydraulic support with a front cantilever.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a suspension hydraulic support of area forestope, includes the back timber, the both sides of back timber bottom all are equipped with the second hydraulic cylinder, the bottom of second hydraulic cylinder is equipped with the base that the cross section is the L type, the intermediate position of back timber top inner wall is equipped with the fixed block, and the both sides of fixed block all are equipped with first hydraulic cylinder, first hydraulic cylinder's one end is equipped with the forestope, the both ends of back timber bottom outer wall all articulate has adjustable fender, and just two adjustable fender's bottom all is provided with accomodates groove, two accomodate the both ends inner wall in groove and be connected with the rolling axle through the bearing, and the circumference department winding of rolling axle has the dust-blocking curtain.

As a further aspect of the present invention: two the one end of keeping off dirt curtain all is equipped with inserts the board, and the slot has all been seted up to one side at two base tops, the internal diameter of slot and the external diameter looks adaptation that inserts the board.

As a further aspect of the present invention: two the one end of adjustable fender all is equipped with the rolling motor, and the bottom of base is provided with fixed tooth.

As a further aspect of the present invention: the top of the outer wall of the two ends of the top beam is provided with a through hole, and the opening position of the through hole corresponds to the position of the front canopy.

As a further aspect of the present invention: two the top of base all is equipped with the mounting panel, and the top of mounting panel one side is equipped with electric telescopic handle, and electric telescopic handle's one end is equipped with the slurcam.

As a further aspect of the present invention: fluorescent strips are bonded on one sides of the dust blocking curtain and the mounting plate.

The utility model has the advantages that:

1. by arranging the base and the dust blocking curtain, the rolling shaft rotates to unfold the dust blocking curtain when the device is used, the dust blocking curtain blocks the inner walls on the two sides of the roadway, dust generated by the inner walls on the two sides of the roadway is prevented from falling to influence the use of the pedestrian passageway, and the base with the L-shaped cross section prevents the dust falling from the inner walls on the two sides of the roadway from being accumulated on the pedestrian passageway, so that the pedestrian passageway is ensured to be clean and smooth;

2. through setting up electric telescopic handle, catch bar and fluorescence area, accessible electric telescopic handle promotes the catch bar to pushing up through the catch bar and moving the dust blocking curtain, the convenient dust that is close to tunnel inner wall one side with the dust blocking curtain pushes away and falls, avoids the dust blocking curtain to be extrudeed by the dust and leads to inserting the board and drop from the slot, plays the function of fine warning, makes things convenient for the staff to discern the pedestrian passageway scope in the tunnel.

Drawings

Fig. 1 is a schematic structural diagram of a suspended hydraulic support with a front cantilever according to embodiment 1;

fig. 2 is a cross-sectional view of the overall side structure of a suspended hydraulic support with a front cantilever according to embodiment 2;

fig. 3 is a schematic structural diagram of a base of a suspended hydraulic support with a front cantilever according to embodiment 2.

In the figure: the device comprises a top beam 1, a fixed block 2, a first hydraulic cylinder 3, a front canopy 4, a through hole 5, a pushing plate 6, an electric telescopic rod 7, an installation plate 8, a slot 9, a second hydraulic cylinder 10, fixed teeth 11, a base 12, an insertion plate 13, a fluorescent belt 14, a dust-blocking curtain 15, a rolling shaft 16, an accommodating groove 17 and a movable baffle 18.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1, a suspension hydraulic support with a forestope comprises a top beam 1, wherein two sides of the bottom of the top beam 1 are both connected with a second hydraulic cylinder 10 through fastening bolts, the bottom of the second hydraulic cylinder 10 is connected with a base 12 with an L-shaped cross section through fastening bolts, the middle position of the inner wall of the top beam 1 is connected with a fixed block 2 through fastening bolts, two sides of the fixed block 2 are both connected with a first hydraulic cylinder 3 through fastening bolts, one end of the first hydraulic cylinder 3 is connected with the forestope 4 through fastening bolts, two ends of the outer wall of the bottom of the top beam 1 are both hinged with movable baffles 18, the bottoms of the two movable baffles 18 are both provided with accommodating grooves 17, the inner walls of two ends of the two accommodating grooves 17 are connected with a winding shaft 16 through bearings, a dust curtain 15 is wound on the circumference of the winding shaft 16, and the forestope 4 can be, during the use wind-up shaft 16 rotates and expandes dust screen 15, and dust screen 15 shelters from the both sides inner wall in tunnel, and the dust of avoiding tunnel both sides inner wall to produce drops the use that influences the pedestrian passageway, and the base 12 of cross section for the L type avoids the dust that tunnel both sides inner wall dropped to pile up to the pedestrian passageway on, guarantees the clean unobstructed of pedestrian passageway.

Wherein, the one end of two dust screens 15 all is connected with through fastening bolt and inserts board 13, and slot 9 has all been seted up to one side at two base 12 tops, and the internal diameter of slot 9 and the external diameter looks adaptation that inserts board 13 can be fixed with the bottom of dust screens 15 in inserting slot 9 with inserting board 13, shelters from the dust of tunnel both sides inner wall.

Wherein, the one end of two adjustable fender 18 all is connected with the coiling motor through fastening bolt, and the bottom of base 12 is provided with fixed tooth 11.

Wherein, the top of the outer wall of both ends of the top beam 1 is provided with a perforation 5, and the opening position of the perforation 5 corresponds to the position of the front canopy 4.

The working principle is as follows: the first hydraulic cylinder 3 of accessible drives the flexible of forestope 4, wind-up shaft 16 rotates during the use and expandes dust-proof curtain 15, dust-proof curtain 15 shelters from the both sides inner wall in tunnel, the dust of avoiding tunnel both sides inner wall to produce drops the use that influences the pedestrian passageway, and the cross section is piled up to the pedestrian passageway for the dust that the base 12 of L type avoided tunnel both sides inner wall to drop, guarantee the clean unobstructed of pedestrian passageway, can insert board 13 and insert the bottom of fixed dust-proof curtain 15 in slot 9, shelter from the dust of tunnel both sides inner wall.

Example 2

Referring to fig. 2-3, in the present embodiment, compared with embodiment 1, the tops of two bases 12 are both connected with a mounting plate 8 through fastening bolts, the top of one side of the mounting plate 8 is connected with an electric telescopic rod 7 through fastening bolts, one end of the electric telescopic rod 7 is connected with a pushing plate 6 through fastening bolts, and fluorescent strips 14 are bonded on one sides of a dust curtain 15 and the mounting plate 8.

The working principle is as follows: accessible electric telescopic handle 7 promotes catch plate 6 to carry out the top through catch plate 6 to keep off dirt curtain 15 and move, the convenient dust that is close to tunnel inner wall one side with keep off dirt curtain 15 pushes away and falls, avoids keeping off dirt curtain 15 to be extruded by the dust and leads to inserting board 13 and drop from slot 9 in, plays the function of fine warning, makes things convenient for the staff to discern the pedestrian passageway scope in the tunnel.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a suspension hydraulic support of area forestope, includes back timber (1), the both sides of back timber (1) bottom all are equipped with second hydraulic cylinder (10), its characterized in that, the bottom of second hydraulic cylinder (10) is equipped with base (12) that the cross section is the L type, the intermediate position of back timber (1) top inner wall is equipped with fixed block (2), and the both sides of fixed block (2) all are equipped with first hydraulic cylinder (3), the one end of first hydraulic cylinder (3) is equipped with forestope (4), the both ends of back timber (1) bottom outer wall all articulate there is adjustable fender (18), and the bottom of two adjustable fender (18) all is provided with accomodates groove (17), two the both ends inner wall of accomodating groove (17) is connected with rolling axle (16) through the bearing, and the circumference department winding of rolling axle (16) has dust blocking curtain (15).

2. The suspension hydraulic support with the forepoling bar as claimed in claim 1, characterized in that one end of each of the two dust-blocking curtains (15) is provided with an insertion plate (13), and one side of the top of each of the two bases (12) is provided with a slot (9), and the inner diameter of the slot (9) is matched with the outer diameter of the insertion plate (13).

3. The suspension hydraulic support with the cantilever according to any one of claims 1-2, wherein one end of each of the two movable baffles (18) is provided with a winding motor, and the bottom of the base (12) is provided with a fixed gear (11).

4. The suspension hydraulic support with the forepoling bar as claimed in claim 3, characterized in that the top of the outer wall of the top bar (1) is provided with a through hole (5), and the opening position of the through hole (5) corresponds to the position of the forepoling bar (4).

5. The suspension hydraulic support with the forepoling bar as claimed in claim 4, characterized in that the top of each of the two bases (12) is provided with a mounting plate (8), the top of one side of the mounting plate (8) is provided with an electric telescopic rod (7), and one end of the electric telescopic rod (7) is provided with a pushing plate (6).

6. The suspended hydraulic support with the forepoling bar of claim 5, characterized in that fluorescent strips (14) are adhered to one side of the dust curtain (15) and one side of the mounting plate (8).