CN218716912U

CN218716912U - Large-dip-angle light-duty end hydraulic support for thin coal seam

Info

Publication number: CN218716912U
Application number: CN202222962358.5U
Authority: CN
Inventors: 陈佳星; 郑波; 赵晓丽; 王朋; 贾雷永; 张铁梁
Original assignee: Tianjin Pengcheng Yutai Hydraulic Support Co ltd
Current assignee: Tianjin Pengcheng Yutai Hydraulic Support Co ltd
Priority date: 2022-11-08
Filing date: 2022-11-08
Publication date: 2023-03-24
Anticipated expiration: 2032-11-08

Abstract

The utility model relates to a hydraulic support technical field especially indicates a light-duty end hydraulic support of big inclination in thin coal seam, include: the anti-falling device comprises a base and a top beam, wherein at least one top anti-falling component is arranged on one side of the top beam, and at least one bottom anti-sliding component is arranged on one side of the base; wherein the top anti-backup assembly is configured to swing up and down in a vertical direction; the bottom slip prevention assembly is configured to swing up and down in a vertical direction. The utility model discloses a subassembly and first V type nail foundry goods of taking are prevented down at the top are to the working face roof extrusion, realize that the back timber is prevented down passively, take V type nail foundry goods to the working face bottom plate extrusion through bottom anti-skidding subassembly and second, realize the passive antiskid of base. The utility model discloses the section that ventilates is big, light in weight, support efficient, prevent passively that the anti-skidding performance is high, and easy operation can effectively exploit the inclination in the coal seam more than 25.

Description

Large-dip-angle light-duty end hydraulic support for thin coal seam

Technical Field

The utility model relates to a hydraulic support technical field especially indicates a light-duty end hydraulic support of big inclination in thin coal seam.

Background

The coal resources of the thin coal seam in China are abundant, the dip angle of a certain part of the coal seam is more than 25 degrees, the traditional hydraulic support is suitable for mining of the part of the coal seam, the structure is very complex, the support is heavy in weight, easy to slide down, complex to operate, low in safety coefficient, high in production cost and the like, so that mining of the coal seam is abandoned in part of mines, the output life of the mines is greatly shortened, and resource waste is further caused.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem that among the prior art the light-duty end hydraulic support in the big inclination in thin coal seam glides, emptys at the working face, an embodiment of the utility model provides a light-duty end hydraulic support in the big inclination in thin coal seam, hydraulic support includes: a base and a top beam, wherein the base is provided with a base plate,

at least one top anti-falling component is installed on one side of the top beam, and at least one bottom anti-sliding component is installed on one side of the base;

wherein the top anti-backup assembly is configured to swing up and down in a vertical direction; the bottom slip prevention assembly is configured to swing up and down in a vertical direction.

In a preferred embodiment, the top anti-backup assembly includes a first top anti-backup assembly and a second top anti-backup assembly,

the first top anti-fall component and the second top anti-fall component are located on the same plane.

In a preferred embodiment, the first and second top anti-backup assemblies are identical in structure and comprise:

the jack is prevented down to supporting leg and top in the top, the one end of preventing down the supporting leg in the top is articulated with the side of back timber, the jack body is prevented down at the top with the side of back timber is articulated, the other end of preventing down the supporting leg in the top with the telescopic link of preventing down the jack in the top is articulated.

In a preferred embodiment, a plurality of first V-shaped nails are arranged on the upper surface of the top anti-falling supporting leg.

In a preferred embodiment, a first guide cylinder is arranged at the center of the top beam, and a first V-shaped nail-carrying casting is installed in the first guide cylinder;

the first casting with the V-shaped nails is driven by a top jack to extend out of or retract into the upper surface of the top beam.

In a preferred embodiment, the bottom anti-slip assembly comprises a first bottom anti-slip assembly and a second bottom anti-slip assembly,

the first bottom anti-slip component and the second bottom anti-slip component are in the same plane.

In a preferred embodiment, the first bottom anti-slip assembly and the second bottom anti-slip assembly are identical in structure and comprise:

bottom antiskid supporting leg and bottom antiskid jack, the one end of bottom antiskid supporting leg is articulated with the side of base, bottom antiskid jack body with the side of base is articulated, the other end of bottom antiskid supporting leg with bottom antiskid jack's telescopic link is articulated.

In a preferred embodiment, the lower surface of the bottom non-slip support leg is provided with a plurality of second V-shaped nails.

In a preferred embodiment, second guide cylinders are symmetrically arranged on two sides of the base, and a second V-shaped pin casting is installed in the second guide cylinders;

and the second casting with the V-shaped nail is driven by a bottom jack to extend out of or retract into the lower surface of the base.

In a preferred embodiment, the hydraulic support further comprises a column and guide bar mechanism disposed between the base and the top beam.

The embodiment of the utility model provides a beneficial effect that technical scheme brought includes at least:

the utility model provides a light-duty end hydraulic support of big inclination in thin coal seam prevents down subassembly and first V type nail foundry goods of taking through the top and extrudees the working face roof, realizes that the back timber is passive to be prevented down, takes V type nail foundry goods to extrude the working face bottom plate through bottom anti-skidding subassembly and second, realizes the passive antiskid of base. The utility model discloses the section of ventilating is big, light in weight, support efficient, prevent passively that the anti-skidding performance is high, and easy operation can effectively exploit the inclination in the coal seam more than 25.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described 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 to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a hydraulic support with a large-inclination light end for a thin coal seam according to an embodiment of the present invention.

Fig. 2 is a top view of a high-inclination light-end hydraulic support for a thin coal seam according to an embodiment of the present invention.

Fig. 3 is a bottom view of a high-inclination lightweight end hydraulic support for a thin coal seam according to an embodiment of the present invention.

Fig. 4 is a schematic view of the first V-shaped nail casting installed in the first guide cylinder according to an embodiment of the present invention.

Fig. 5 is a schematic view of the second V-shaped nail casting installed in the second guide cylinder according to an embodiment of the present invention.

Fig. 6 is a rear end view of a high-dip lightweight end hydraulic support for thin coal seams according to an embodiment of the present invention.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Moreover, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

As shown in fig. 1 the utility model discloses an embodiment in a light-duty end hydraulic support of big inclination of thin coal seam's structural schematic diagram, fig. 2 is shown the utility model discloses an embodiment in a light-duty end hydraulic support of big inclination of thin coal seam's top view, fig. 3 is shown the utility model discloses an embodiment in a bottom view of light-duty end hydraulic support of big inclination of thin coal seam combines fig. 1 to picture, according to the utility model discloses an embodiment, a light-duty end hydraulic support of big inclination of thin coal seam includes: a base 1 and a top beam 4. An upright post 2 and a guide rod mechanism 3 are arranged between the base 1 and the top beam 4.

In the following embodiments of the present invention, in order to make the present invention more clearly illustrated, the left side of the hydraulic bracket shown in fig. 1 is defined as the front end, and the right side is defined as the rear end.

According to the embodiment of the utility model, the subassembly is prevented down in at least one top of a side-mounting of back timber 4. In this embodiment, two top fall prevention assemblies are installed on one side of the top beam 4, including a first top fall prevention assembly 6 and a second top fall prevention assembly 7. The first top anti-fall assembly 6 and the second top anti-fall assembly 7 are in the same plane, that is, the first top anti-fall assembly 6 and the second top anti-fall assembly 7 are arranged at the same height position on the side surface of the top beam 4.

According to the utility model discloses an embodiment, base 1's a side-mounting at least one bottom antiskid assembly. In this embodiment, two bottom anti-slip elements are mounted on one side of the base 1, including a first bottom anti-slip element 10 and a second bottom anti-slip element 11. The first bottom anti-slip component 10 and the second bottom anti-slip component 11 are in the same plane, that is, the first bottom anti-slip component 10 and the second bottom anti-slip component 11 are arranged at the same height position on the side of the base 1. In one embodiment, a pusher system 5 is provided at the front end of the base 1.

Fig. 4 is a schematic structural view of a first V-shaped nail casting installed in a first guide cylinder according to an embodiment of the present invention, and fig. 5 is a schematic structural view of a second V-shaped nail casting installed in a second guide cylinder according to an embodiment of the present invention. With reference to fig. 1 to 5, according to the embodiment of the present invention, a first guiding cylinder 8 is disposed at the center of the top beam 4, a first V-shaped nail casting 9 is installed in the first guiding cylinder 8, and a top V-shaped nail 901 is disposed on the upper surface of the first V-shaped nail casting 9. In a preferred embodiment, the first guiding cylinder 8 is arranged in the center of the top beam 4 by welding.

The first V-shaped nail casting 9 is driven by the top jack to extend or retract the top rail upper surface 401 of the top rail 4. When the top jack drives the first V-shaped nail casting 9 to extend out of the top beam upper surface 401 of the top beam 4 along the first guide cylinder 8, the top V-shaped nail 901 of the upper surface of the first V-shaped nail casting 9 contacts the working surface top plate and presses the working surface top plate.

According to the utility model discloses an embodiment, 1 bilateral symmetry of base sets up second guide cylinder 12, and installation second area V type nail foundry goods 13 in the second guide cylinder 12, and the lower surface of second area V type nail foundry goods 13 has bottom V type nail 1301. In a preferred embodiment, the second guide cylinders 12 are symmetrically arranged on both sides of the base 1, and the second guide cylinders 12 are arranged in a welding manner.

The second V-pin casting 13, driven by the bottom jack, extends or retracts from the lower base surface 101 of the base 1. When the bottom jack drives the second V-shaped nail casting 13 to extend out of the bottom lower surface 101 of the base 1 along the second guide cylinder 12, the bottom V-shaped nail 1301 of the lower surface of the second V-shaped nail casting 13 contacts with the bottom plate of the working face and presses the bottom plate of the working face.

As shown in fig. 6, in an embodiment of the present invention, a rear end view of a high-dip lightweight end hydraulic support for a low seam of coal, according to an embodiment of the present invention, the top-tilting prevention assembly (the first top-tilting prevention assembly 6 and the second top-tilting prevention assembly 7) is configured to swing up and down in a vertical direction. The bottom anti-slip elements (first bottom anti-slip element 10 and second bottom anti-slip element 11) are configured to swing up and down in a vertical direction.

The utility model discloses subassembly 7 structure is the same in subassembly 6 is prevented down at first top and the second top, and first bottom antiskid unit 10 is the same with second bottom antiskid unit 11 structure, and the exemplary subassembly 7 is prevented down at the second top of using in the embodiment and second bottom antiskid unit 11 explains as an example.

According to the utility model discloses an embodiment, subassembly 7 is prevented down at the second top includes, and jack 701 is prevented down to supporting leg 702 and top in the top, and the top is prevented down the one end of supporting leg 702 and is articulated with the side of back timber 4, and jack 701 body is prevented down articulated with the side of back timber 4 in the top, and jack 701 is prevented down to the other end and the top of supporting leg 702 are prevented down at the top that the telescopic link is articulated.

Specifically, a first ear plate 704 and a second ear plate 703 are fixed on the side surface of the top beam 4, one end of the top anti-falling support leg 702 is hinged to the first ear plate 704, and the body of the top anti-falling jack 701 is hinged to the second ear plate 703.

The telescopic rod of the top anti-falling jack 701 extends or retracts to drive the top anti-falling support leg 702 to swing up and down along the vertical direction (the direction shown by an arrow a in fig. 6), so that the second top anti-falling assembly 7 swings up and down along the vertical direction.

According to the utility model discloses an embodiment, the upper surface of the supporting leg 702 is prevented down at the top sets up a plurality of first V type nails 705. When the telescopic rod of the top anti-falling jack 701 extends out, the top anti-falling support leg 702 is driven to move upwards along the vertical direction, so that the first V-shaped nail 705 on the upper surface of the top anti-falling support leg 702 is in contact with the working face top plate, and the working face top plate is extruded.

According to the utility model discloses an embodiment, second bottom antiskid unit 11 includes, bottom antiskid supporting leg 1102 and bottom antiskid jack 1101, and bottom antiskid supporting leg 1102's one end is articulated with base 1's side, and bottom antiskid jack 1101 body is articulated with base 1's side, and bottom antiskid supporting leg 1102's the other end is articulated with bottom antiskid jack 1101's telescopic link.

Specifically, a third ear plate 1104 and a fourth ear plate 1103 are fixed on the side surface of the base 1, one end of the bottom antiskid supporting leg 1102 is hinged with the third ear plate 1104, and the body of the bottom antiskid jack 1101 is hinged with the fourth ear plate 1103.

The telescopic rod of the bottom antiskid jack 1101 extends or retracts to drive the bottom antiskid support leg 1102 to swing up and down along the vertical direction (the direction indicated by the arrow b in fig. 6), so as to realize the up-and-down swing of the second bottom antiskid component 11 along the vertical direction.

According to the utility model discloses an embodiment, the lower surface of bottom antiskid supporting leg 1102 sets up a plurality of second V type nails 1105. When the telescopic rod of the bottom antiskid jack 1101 extends out, the bottom antiskid supporting leg 1102 is driven to move downwards along the vertical direction, so that the second V-shaped nail 1105 on the lower surface of the bottom antiskid supporting leg 1102 is in contact with the bottom plate of the working face and presses the bottom plate of the working face.

Subassembly 7 is prevented down in first top is the same with the second top, and first bottom antiskid unit 10 is the same with second bottom antiskid unit 11 structure, and subassembly 6 is prevented down in first top and first bottom antiskid unit 10 need not be repeated here.

According to the utility model discloses an embodiment arranges two at least at a working face the utility model provides a light-duty end hydraulic support of big inclination in thin coal seam.

When the utility model provides a pair of light-duty end hydraulic support in big inclination of thin coal seam arranges when the working face, stretch out through the top jack telescopic link that hydraulic drive system (not shown in the figure) drive back timber 4 central point put, drive first area V type nail foundry goods 9, stretch out back timber upper surface 401 of back timber 4 along first guide cylinder 8, the top V type nail 901 and the working face roof contact of the upper surface of first area V type nail foundry goods 9, and extrude the working face roof, thereby increase the frictional force between back timber 4 and the working face roof.

Meanwhile, the hydraulic driving system drives the first top anti-falling assembly 6 and the second top anti-falling assembly 7 to move upwards along the vertical direction, and the top plate of the working face is extruded. In the embodiment, taking the second top anti-falling assembly 7 as an example, the hydraulic driving system drives the top anti-falling jack 701 to extend out of the telescopic rod, drives the top anti-falling supporting leg 702 to move upwards along the vertical direction, so that the first V-shaped nail 705 on the upper surface of the top anti-falling supporting leg 702 is in contact with the working surface top plate and extrudes the working surface top plate, thereby increasing the friction force between the top beam 4 and the working surface top plate and realizing passive falling prevention of the top beam 4.

When the utility model provides a pair of light-duty end hydraulic support in big inclination in thin coal seam arranges in the working face, stretch out through the telescopic link of the bottom jack of hydraulic drive system drive base 1 both sides, V type nail foundry goods 13 is taken to the drive second, along second guide cylinder 12 stretch out base 1's bottom lower surface 101, the bottom V type nail 1301 and the working face bottom plate contact of the lower surface of V type nail foundry goods 13 are taken to the second to extrude the working face bottom plate, thereby increase the frictional force between base 1 and the working face bottom plate.

At the same time, the hydraulic drive system drives the first bottom anti-skid component 10 and the second bottom anti-skid component 11 to move downwards along the vertical direction, and squeeze the bottom plate of the working face. In the embodiment, taking the second bottom anti-skid component 11 as an example, the hydraulic driving system drives the telescopic rod of the bottom anti-skid jack 1101 to extend out, and drives the bottom anti-skid supporting leg 1102 to move downwards along the vertical direction, so that the second V-shaped nail 1105 on the lower surface of the bottom anti-skid supporting leg 1102 is in contact with the working surface bottom plate and extrudes the working surface bottom plate, thereby increasing the friction force between the base 1 and the working surface bottom plate and realizing the passive anti-skid of the base 1.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the invention in its corresponding aspects.

Claims

1. The hydraulic support for the high-inclination-angle light-duty end head of the thin coal seam is characterized by comprising: a base and a top beam, wherein the base is provided with a base plate,

a first top anti-falling assembly and a second top anti-falling assembly are arranged on one side of the top beam, and are positioned on the same plane;

a first bottom anti-skid component and a second bottom anti-skid component are arranged on one side of the base, and are positioned on the same plane;

wherein the first and second top anti-backup assemblies are configured to swing up and down in a vertical direction; the first and second bottom anti-slip components are configured to swing up and down in a vertical direction.

2. The hydraulic mount of claim 1, wherein the first and second top anti-backup assemblies are identical in structure, comprising:

3. The hydraulic mount of claim 2, wherein an upper surface of the top anti-backup support leg is provided with a plurality of first V-shaped pins.

4. The hydraulic support according to claim 2, characterized in that a first guide cylinder is arranged in the center of the top beam, and a first V-shaped nail casting is installed in the first guide cylinder;

5. The hydraulic mount of claim 1, wherein the first and second bottom anti-skid components are identical in construction, comprising:

6. The hydraulic mount of claim 5, wherein a lower surface of the bottom non-slip support leg is provided with a second plurality of V-shaped spikes.

7. The hydraulic support according to claim 5, wherein the base is symmetrically provided with second guide cylinders on two sides, and a second V-shaped pin casting is installed in the second guide cylinders;

8. The hydraulic mount of claim 1, further comprising a post and guide bar mechanism disposed between the base and the top beam.