CN211287738U - Hydraulic support convenient to adjust for caving coal - Google Patents

Abstract

The utility model discloses a hydraulic support of caving coal is convenient for adjust, which comprises a base, there are first pneumatic cylinder and second pneumatic cylinder the top outer wall of base through hinged joint respectively, and the one end of first pneumatic cylinder piston rod and second pneumatic cylinder piston rod articulates there is the second roof that sets up with the same level, the top outer wall that the base is close to first pneumatic cylinder one side has the fixed block through the fix with screw, and the top outer wall of fixed block articulates there is the hinge post, the top outer wall of hinge post articulates there is first roof, and first roof and second roof are connected through the hinge, the one end that first roof was kept away from to the second roof has first board through hinged joint. The utility model discloses it is very convenient to adjust, and the reinforcing plate can play good enhancement effect, has improved the intensity of support, prevents that the cracked condition of support from taking place, and the security performance is higher has improved the stability of support, and the light can play good illuminating effect, and the workman of being convenient for carries out coal mining work.

Description

Hydraulic support convenient to adjust for caving coal

Technical Field

The utility model relates to a hydraulic support technical field especially relates to a hydraulic support of caving coal is convenient for adjust.

Background

The top coal caving mining method is characterized in that when a thick coal seam is mined, a coal mining working face with the mining height of 2-3 m is arranged along the bottom plate of the coal seam or the bottom of the coal seam within a certain thickness range, mining is carried out in a comprehensive mechanical mode, top coal is broken into discrete bodies under the action of mine pressure or by means of loosening blasting and the like, the top coal is discharged from a coal discharging window behind or above a support, and the top coal is conveyed out of the working face by a scraper conveyor.

The hydraulic support needs to be used for caving the top coal, the hydraulic support for caving the top coal is developed on the basis of a hydraulic support of a common long-wall working face, the direct roof is maintained in a basic control item, the functions of a self-moving conveyor and a self-moving conveyor are the same, the existing hydraulic support for caving the top coal is simple in structure, inconvenient to adjust and low in strength, and the use requirements of people can not be met obviously.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a hydraulic support convenient for adjusting the top coal caving.

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

the utility model provides a hydraulic support that caving coal is convenient for adjust, includes the base, the top outer wall of base has first pneumatic cylinder and second pneumatic cylinder through hinged joint respectively, and the one end of first pneumatic cylinder piston rod and second pneumatic cylinder piston rod articulates there is the second roof that sets up with the same level, the top outer wall that the base is close to first pneumatic cylinder one side has the fixed block through the fix with screw, and the top outer wall of fixed block articulates there is the hinge post, the top outer wall of hinge post articulates there is first roof, and first roof and second roof are connected through the hinge.

Furthermore, the end, far away from first roof, of second roof has a head board through hinged joint, and the bottom outer wall of second roof articulates there is the second hydraulic stem, and the one end of second hydraulic stem piston rod is connected with the bottom outer wall of head board.

Furthermore, the one end that the second roof was kept away from to first roof articulates there is the tailboard, and the bottom outer wall of first roof articulates there is first hydraulic stem, and the one end of first hydraulic stem piston rod is articulated mutually with the bottom outer wall of tailboard.

Furthermore, the outer wall of the bottom of the second top plate is welded with three to five reinforcing plates, and the three to five reinforcing plates are equidistantly distributed on the outer wall of the bottom of the second top plate.

Further, the four corners department of base bottom outer wall all sets up flutedly, and the top inner wall of recess has miniature telescopic link through the fix with screw, and the one end of miniature telescopic link piston rod has the walking wheel through the fix with screw, and the pull groove has been seted up to one side outer wall of base, and the inner wall sliding connection in pull groove has the connecting plate, and the bottom outer wall of connecting plate has the gyro wheel through the fix with screw.

Furthermore, a lamp groove is formed in the outer wall of the bottom of the head plate, and a lighting lamp is fixed to the inner wall of the lamp groove through screws.

The utility model has the advantages that:

1. this hydraulic support of caving coal be convenient for adjust through being provided with two pneumatic cylinders, two hydraulic stem and reinforcing plate, the height of whole support can be adjusted in the extension of two pneumatic cylinder piston rods or shortening, and the extension of two hydraulic stem piston rods or shortening can adjust the angle of support, and it is very convenient to adjust, and the reinforcing plate can play good enhancement effect, has improved the intensity of support, prevents that the cracked condition of support from taking place, and the security performance is higher.

2. This hydraulic support of caving coal be convenient for adjust, through being provided with miniature telescopic link and light, the extension of miniature telescopic link piston rod perhaps shortens and to control the walking wheel and stretch out and draw back in the recess, has improved the mobility of support, removes to the assigned position back when the support, and the walking wheel contracts to recess inner base contact ground and fixes the device, has improved the stability of support, and the light can play good illuminating effect, and the workman of being convenient for carries out coal mining work.

The part not related in the device all is the same with prior art or can adopt prior art to realize, and the device design structure is reasonable, and convenient to use satisfies people's user demand.

Drawings

Fig. 1 is a schematic structural diagram of a hydraulic support for easy adjustment of a top coal caving proposed in embodiment 1 of the present invention;

FIG. 2 is a perspective view of a base structure of a hydraulic support for easy adjustment of top coal caving in accordance with the present invention;

fig. 3 is a schematic structural diagram of a hydraulic support for conveniently adjusting caving coal provided by embodiment 2 of the present invention.

In the figure: the device comprises 1-roller, 2-connecting plate, 3-base, 4-walking wheel, 5-micro telescopic rod, 6-fixing block, 7-hinged column, 8-tail plate, 9-first hydraulic rod, 10-first top plate, 11-first hydraulic cylinder, 12-reinforcing plate, 13-second top plate, 14-second hydraulic cylinder, 15-second hydraulic rod, 16-head plate, 17-groove and 18-illuminating lamp.

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. 1-2, a hydraulic support that caving coal is convenient for adjust, including base 3, the top outer wall of base 3 has first pneumatic cylinder 11 and second pneumatic cylinder 14 through hinged joint respectively, and the one end of first pneumatic cylinder 11 piston rod and second pneumatic cylinder 14 piston rod articulates there is the second roof 13 of same level setting, the top outer wall that base 3 is close to first pneumatic cylinder 11 one side has fixed block 6 through the fix with screw, and the top outer wall of fixed block 6 articulates there is articulated column 7, the top outer wall of articulated column 7 articulates there is first roof 10, and first roof 10 and second roof 13 are connected through the hinge.

The utility model discloses in, there is first board 16 one end that first roof 10 was kept away from to second roof 13 through hinged joint, and the bottom outer wall of second roof 13 articulates there is second hydraulic stem 15, and the one end of second hydraulic stem 15 piston rod is connected with first board 16's bottom outer wall.

The utility model discloses in, the one end that second roof 13 was kept away from to first roof 10 articulates there is tailboard 8, and the bottom outer wall of first roof 10 articulates there is first hydraulic stem 9, and the one end of the 9 piston rods of first hydraulic stem articulates with the bottom outer wall of tailboard 8 mutually.

The utility model discloses in, the welding of the bottom outer wall of second roof 13 has three to five reinforcing plates 12, and three to five reinforcing plates 12 equidistance distribute on the bottom outer wall of second roof 13.

The utility model discloses in, the four corners department of 3 bottom outer walls of base all sets up flutedly 17, and the top inner wall of recess 17 has miniature telescopic link 5 through the fix with screw, and the one end of 5 piston rods of miniature telescopic link has walking wheel 4 through the fix with screw, and the pull-out groove has been seted up to one side outer wall of base 3, and the inner wall sliding connection in pull-out groove has connecting plate 2, and the bottom outer wall of connecting plate 2 has gyro wheel 1 through the fix with screw.

The working principle is as follows: during the use, at first utilize walking wheel 4 to remove the support to the assigned position, remove the 5 piston rods of miniature telescopic link of back control and contract, 4 contractions of walking wheel are fixed the device in recess 17, fixed back, the height of whole support can be adjusted to the extension or the shortening of two pneumatic cylinder piston rods, the extension of two hydraulic stem piston rods or the shortening angle that can adjust the support, it is very convenient to adjust, reinforcing plate 12 can play good enhancement effect, the intensity of support has been improved, the security performance is higher.

Example 2

Referring to fig. 3, in the hydraulic support for conveniently adjusting the top coal caving, compared with embodiment 1, the hydraulic support further includes a light trough formed on the outer wall of the bottom of the head plate 16, and a lighting lamp 18 is fixed on the inner wall of the light trough through a screw.

The working principle is as follows: the illuminating lamp 18 can play a good illuminating effect, and is convenient for workers to carry out coal mining work.

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 (6)

1. The utility model provides a hydraulic support that caving coal is convenient for adjust, includes base (3), its characterized in that, the top outer wall of base (3) has first pneumatic cylinder (11) and second pneumatic cylinder (14) through hinged joint respectively, and the one end of first pneumatic cylinder (11) piston rod and second pneumatic cylinder (14) piston rod articulates there is second roof (13) that same level set up, base (3) are close to the top outer wall of first pneumatic cylinder (11) one side and have fixed block (6) through the fix with screw, and the top outer wall of fixed block (6) articulates there is hinge post (7), the top outer wall of hinge post (7) articulates there is first roof (10), and first roof (10) and second roof (13) are connected through the hinge.

2. A hydraulic support for facilitating adjustment of a caving coal as claimed in claim 1, wherein a head plate (16) is hinged to one end of the second top plate (13) far away from the first top plate (10), a second hydraulic rod (15) is hinged to the outer bottom wall of the second top plate (13), and one end of a piston rod of the second hydraulic rod (15) is connected with the outer bottom wall of the head plate (16).

3. The hydraulic support convenient for adjusting of the top coal caving as claimed in claim 2, wherein one end of the first top plate (10) far away from the second top plate (13) is hinged with a tail plate (8), the outer wall of the bottom of the first top plate (10) is hinged with a first hydraulic rod (9), and one end of the piston rod of the first hydraulic rod (9) is hinged with the outer wall of the bottom of the tail plate (8).

4. A hydraulic prop for the easy adjustment of a caving coal as claimed in claim 3, characterized in that the bottom outer wall of the second top plate (13) is welded with three to five reinforcing plates (12), and the three to five reinforcing plates (12) are equidistantly distributed on the bottom outer wall of the second top plate (13).

5. The hydraulic support convenient for adjusting of caving coal as defined in claim 4, wherein the four corners of the outer wall of the bottom of the base (3) are provided with grooves (17), the inner wall of the top of each groove (17) is fixed with a micro telescopic rod (5) through screws, one end of a piston rod of each micro telescopic rod (5) is fixed with a traveling wheel (4) through screws, the outer wall of one side of the base (3) is provided with a drawing groove, the inner wall of the drawing groove is slidably connected with a connecting plate (2), and the outer wall of the bottom of the connecting plate (2) is fixed with a roller (1) through screws.

6. The hydraulic support for conveniently adjusting the caving coal as claimed in claim 5, wherein the outer wall of the bottom of the head plate (16) is provided with a lamp groove, and the inner wall of the lamp groove is fixed with a lighting lamp (18) through a screw.

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