CN219139128U

CN219139128U - Slurry spraying device for filling corners of coal mine stope face

Info

Publication number: CN219139128U
Application number: CN202223192341.2U
Authority: CN
Inventors: 张瑞晓; 郭翔; 罗伙根; 张晓旭; 吴锐
Original assignee: China University of Mining and Technology CUMT; Shendong Coal Branch of China Shenhua Energy Co Ltd; Guoneng Shendong Coal Group Co Ltd
Current assignee: China University of Mining and Technology CUMT; Shendong Coal Branch of China Shenhua Energy Co Ltd; Guoneng Shendong Coal Group Co Ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-06-06
Anticipated expiration: 2032-11-30

Abstract

The utility model provides a guniting device for filling a corner of a coal mine stope face, which comprises a chassis, wherein the chassis is provided with a plurality of guniting holes; the mounting frame is mounted on the underframe; the lifting assembly is arranged on the underframe and at least comprises a lifting table; the rotatable guniting device comprises a rotary joint, a pipe clamp, a guniting pipe, an operating handle and an elbow pipe, wherein the rotary joint is fixedly connected with one end of the guniting pipe, the guniting pipe is fixed at the top end of the lifting table by the pipe clamp, the operating handle is connected with the rotary joint and is arranged on two sides of the top end of the mounting frame, and the elbow pipe is connected with the other end of the guniting pipe through the pipe clamp. The guniting device for filling the coal mine stope face corner can solve the problems that in the prior art, the filling mode is single and the guniting effect is poor in the coal mine stope face corner filling.

Description

Slurry spraying device for filling corners of coal mine stope face

Technical Field

The utility model relates to the technical field related to construction equipment, in particular to a guniting device for filling a corner of a stope face of a coal mine.

Background

Along with the development and progress of green coal mining, the coal mine paste filling technology is one of main development trends of future coal mine filling, paste can be rapidly piled up in a loose body, and for a traditional filling pipeline at a fixed position, the diffusion piling area of the paste cannot be ensured, so that the piling effect of the paste is not ideal, therefore, for filling goafs and corners of a stope face, a mechanical device for controlling the rotation of the filling pipeline is needed, and paste materials can be evenly piled up in a larger area and effectively connected.

The existing coal mine stoping face corner filling mode is single, a fixed filling guniting pipeline is often adopted, only one-way guniting is carried out, and the problems of uneven accumulation and dispersion of paste, poor roof connection effect and the like are often caused.

From the above, the existing coal mine stoping face corner filling has the problems of single filling mode and poor guniting effect.

Disclosure of Invention

The utility model mainly aims to provide a guniting device for filling the corners of a coal mine stope face, which aims to solve the problems of single filling mode and poor guniting effect in the filling of the corners of the coal mine stope face in the prior art.

In order to achieve the above object, according to one aspect of the present utility model, there is provided a guniting device for coal mine stope face corner filling, the guniting device for coal mine stope face corner filling comprising a chassis; the mounting frame is mounted on the underframe; the lifting assembly is arranged on the underframe and at least comprises a lifting table; the rotatable guniting device comprises a rotary joint, a pipe clamp, a guniting pipe, an operating handle and an elbow pipe, wherein the rotary joint is fixedly connected with one end of the guniting pipe, the guniting pipe is fixed at the top end of the lifting table by the pipe clamp, the operating handle is connected with the rotary joint and is arranged on two sides of the top end of the mounting frame, and the elbow pipe is connected with the other end of the guniting pipe through the pipe clamp.

Further, the guniting device for filling the corners of the stope face of the coal mine further comprises a mop, the mop is fixedly connected to the end head of the underframe, two rollers are respectively arranged at two ends of the underframe, supporting legs are arranged at two ends of the underframe, and the supporting legs are movably connected with the underframe to achieve height adjustment.

Further, the lifting assembly further comprises a crawling ladder, and the crawling ladder is fixedly arranged on the mounting frame; and the lifting oil cylinder is fixedly arranged on the mounting frame and provides driving force for the lifting platform to move.

Further, the lifting cylinder and the lifting table are hydraulically controlled.

Further, the elevating platform is installed in the mounting bracket both sides, is equipped with the pipeline supporting board on the elevating platform.

Further, the guniting device for filling the corners of the coal mine stope face further comprises an operation basket, and the operation basket is arranged on the mounting frame.

Further, the operation basket is provided with a plurality of, and a plurality of operation baskets are arranged along the direction of height of the mounting frame at intervals.

Further, the bottom end of the operation basket is provided with reinforcing steel bars.

Further, the guniting pipe is a length-telescopic pipeline.

Further, the mounting bracket top is equipped with the top stabilizer blade.

By applying the technical scheme of the utility model, the guniting device for filling the corners of the coal mine stope face comprises a bottom frame, a mounting frame, a lifting assembly and a rotatable guniting device, wherein the mounting frame is arranged on the bottom frame, the lifting assembly at least comprises a lifting table, the rotatable guniting device comprises a rotary joint, a pipe clamp, a guniting pipe, an operating handle and an elbow pipe, the rotary joint is fixedly connected with one end of the guniting pipe, the pipe clamp is used for fixing the guniting pipe at the top end of the lifting table, the operating handle is connected with the rotary joint and is arranged at two sides of the top end of the mounting frame, and the elbow pipe is connected with the other end of the guniting pipe through the pipe clamp.

From the above, the lifting table is adopted to support the guniting pipe, so that the height adjustment is convenient; the utility model provides a rotatable guniting device to make the guniting pipe rotate through the gyration joint of handle drive and guniting pipe fixed connection, with the play thick liquid direction of adjusting the guniting pipe, it is convenient to adjust.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 shows a front view of a guniting device for coal mine stope face corner filling of the present utility model;

FIG. 2 shows a side view of the guniting device for coal mine stope face corner filling of the present utility model;

fig. 3 shows a top view of the guniting device for coal mine stope face corner filling of the present utility model.

Wherein the above figures include the following reference numerals:

1. a mop; 2. a ladder stand; 3. a lifting oil cylinder; 4. a swivel joint; 5. a lifting table; 6. a chassis; 7. an operational basket; 8. a pipe clamp; 9. a support leg; 10. a guniting pipe; 11. an operation handle; 12. a top leg; 13. a mounting frame; 14. bending the pipe; 15. and a pipeline supporting plate.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.

In the present utility model, unless otherwise indicated, terms of orientation such as "upper, lower, top, bottom" are used generally with respect to the orientation shown in the drawings or with respect to the component itself in the vertical, upright or gravitational direction; also, for ease of understanding and description, "inner and outer" refers to inner and outer relative to the profile of each component itself, but the above-mentioned orientation terms are not intended to limit the present utility model.

The utility model provides a guniting device for filling the corners of a coal mine stope face, which aims to solve the problems of single filling mode and poor guniting effect in the filling of the corners of the coal mine stope face in the prior art.

As shown in fig. 1 to 3, the grouting device for filling the corners of the stope face of the coal mine comprises a bottom frame, a mounting frame, a lifting assembly and a rotatable grouting device, wherein the mounting frame 13 is mounted on the bottom frame 6, the lifting assembly is arranged on the bottom frame 6, the lifting assembly at least comprises a lifting table 5, the rotatable grouting device comprises a rotary joint 4, a pipe clamp 8, a grouting pipe 10, an operating handle 11 and an elbow pipe 14, the rotary joint 4 is fixedly connected with one end of the grouting pipe 10, the pipe clamp 8 fixes the grouting pipe 10 at the top end of the lifting table 5, the operating handle 11 is connected with the rotary joint 4 and is mounted on two sides of the top end of the mounting frame 13, and the elbow pipe 14 is connected with the other end of the grouting pipe 10 through the pipe clamp 8.

Specifically, the lifting table 5 is adopted to support the guniting pipe 10, so that the height adjustment is convenient; the utility model provides a rotatable guniting device to make guniting pipe 10 rotate through the gyration joint 4 of handle 11 drive with guniting pipe 10 fixed connection, with the play thick liquid direction of adjusting guniting pipe 10, it is convenient to adjust.

Further, the operation handle 11 is connected with the rotary joint 4 and can drive the rotary joint 4 to rotate, and the rotary joint 4 is sleeved on the guniting pipe 10 to drive the guniting pipe 10 to rotate.

As shown in fig. 1 to 3, the guniting device for filling the corners of the stope face of the coal mine further comprises a mop 1, wherein the mop 1 is fixedly connected to the end head of the underframe 6, two rollers are respectively arranged at two ends of the underframe 6, supporting legs 9 are respectively arranged at two ends of the underframe 6, and the supporting legs 9 are movably connected with the underframe 6 to achieve height adjustment.

Specifically, when the whole device needs to be moved, the mop 1 can be pulled to realize position movement under the action of the rollers, the supporting legs 9 are separated from the ground, and after the device moves to a designated position, the height of the supporting legs 9 is adjusted to enable the supporting legs 9 to be in abutting connection with the ground so as to realize the fixing effect.

Further, the leg 9 is screwed with the chassis 6, and the leg 9 is moved up and down by rotating the leg 9.

Further, the lifting assembly further comprises a ladder stand 2 and a lifting oil cylinder 3, wherein the ladder stand 2 is fixedly arranged on the mounting frame 13, the lifting oil cylinder 3 is fixedly arranged on the mounting frame 13, and the lifting oil cylinder 3 provides driving force for the lifting platform 5 to move.

Further, the lifting cylinder 3 is fixedly installed at the top positions of two sides of the front end of the installation frame 13, so that lifting operation of the lifting platform 5 is facilitated.

In the present embodiment, the lift table 5 is provided corresponding to the lift cylinder 3 so as to drive the lift table 5 to perform positional movement by the lift cylinder 3.

Wherein, cat ladder 2 fixed mounting is in the front end of mounting bracket 13 in order to make things convenient for operating personnel to climb.

Further, the lift cylinder 3 is a hydraulic control cylinder to have a good driving effect. The lifting table 5 is driven by the lifting cylinder 3 to move in the height direction.

Further, the lifting table 5 is installed at both sides of the installation frame 13, and the pipe support plate 15 is provided on the lifting table 5 to support the guniting pipe 10 through the pipe support plate 15 and to complete the lifting of the guniting pipe 10.

In the embodiment, the guniting device for the corner filling of the coal mine stope face further comprises an operation basket 7, wherein the operation basket 7 is arranged on a mounting frame 13, and an operator stands on the operation basket 7 to operate the guniting pipe 10. Wherein, the operation basket 7 is provided with a plurality of, and a plurality of operation baskets 7 are arranged along the direction of height of the mounting bracket 13 at intervals. So as to be convenient for personnel with different heights, and when the guniting pipe 10 is positioned at different heights, the guniting pipe 10 can be operated through the operation basket 7 with corresponding height.

In order to enhance the safety of operators, the bottom end of the operating basket 7 is provided with reinforcing steel bars.

As shown in fig. 1 to 3, the gunite 10 is a length-adjustable pipe, and the position of the grout outlet is adjusted by extension and contraction.

Specifically, the guniting pipe 10 is a telescopic pipe, is fixed on pipe supporting plates 15 on two sides of the lifting platform 5 through pipe clamps 8, is connected with the elbow pipe 14 at the outer end, and vertically and downwards arranges the grout outlet of the elbow pipe 14.

Working principle: when the device is used, the device is moved to a proper position through the mop 1, then the supporting legs 9 and the top support legs 12 are used for fixing the positions, the guniting pipe 10 and the bent pipe 14 are assembled in advance, an operator enters the operation basket 7 through the telescopic crawling ladder 2, the guniting pipe 10 is installed at the supporting plates on the two sides of the lifting table 5 through the pipe clamps 8, at the moment, the lifting table 5 is moved to a proper height through controlling the lifting cylinder 3 and stretches into a corner filling position through the telescopic pipeline, after the arrangement work is finished, paste filling work is carried out, when the paste is about to be topped, the guniting pipe 10 and the bent pipe 14 are rotated to the horizontal position through controlling the operation handle 11, the guniting direction is changed, at the moment, the ejection distance of the guniting hole paste can be controlled through adjusting the pumping pressure of the movable filling pump, so that the paste can be better topped, after the jacking is finished, the guniting pipe 10 and the bent pipe 14 are pulled out, then the supporting legs 9 and the top support legs 12 are released, the mop 1 is controlled to withdraw the device from the corner, and then the device is disassembled.

From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects:

1. the crawling ladder 2 and the operation basket are utilized, so that the operation of workers is facilitated, and the arrangement time of the guniting pipe 10 is saved;

2. the hydraulic lifting device is utilized to facilitate the lifting platform 5 to directionally move the guniting pipe 10 to a required position;

3. by using the rotatable device, the direction of the slurry outlet of the slurry spraying pipe 10 in the grouting process can be conveniently changed, and when the paste filling is about to be connected, the filling slurry can be more uniformly accumulated by rotating the direction of the slurry spraying pipe 10 to the horizontal position.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A guniting device for filling a corner of a coal mine stope face, comprising:

a chassis (6);

-a mounting frame (13), said mounting frame (13) being mounted on said chassis (6);

the lifting assembly is arranged on the underframe (6) and at least comprises a lifting table (5);

rotatable guniting device, rotatable guniting device includes swivel joint (4), pipe strap (8), guniting pipe (10), action bars (11) and return bend (14), swivel joint (4) with the one end fixed connection of guniting pipe (10), pipe strap (8) are fixed guniting pipe (10) are in the top of elevating platform (5), action bars (11) with swivel joint (4) are connected, and install installation frame (13) top both sides, return bend (14) are passed through pipe strap (8) with the other end of guniting pipe (10) is connected.

2. The guniting device for filling corners of coal mine stope face according to claim 1, further comprising a mop (1), wherein the mop (1) is fixedly connected to the end of the underframe (6), two ends of the underframe (6) are respectively provided with a roller, two ends of the underframe are respectively provided with a supporting leg (9), and the supporting legs (9) are movably connected with the underframe (6) to realize height adjustment.

3. The slurry spraying device for filling a corner of a coal mine stope face according to claim 2, wherein the lifting assembly further comprises:

the crawling ladder (2) is fixedly arranged on the mounting frame (13);

the lifting oil cylinder (3), the lifting oil cylinder (3) is fixedly arranged on the mounting frame (13), and the lifting oil cylinder (3) provides driving force for the movement of the lifting table (5).

4. A guniting device for coal mine stope corner filling according to claim 3, characterized in that the lift cylinder (3) is a hydraulic control cylinder.

5. The grouting device for filling corners of a coal mine stope face according to claim 1, wherein the lifting platforms (5) are arranged on two sides of the mounting frame (13), and the lifting platforms (5) are provided with pipeline supporting plates (15).

6. The device for guniting a corner fill of a coal mine stope according to claim 4, further comprising an operational basket (7), the operational basket (7) being arranged on the mounting frame (13).

7. The slurry spraying device for filling corners of a coal mining working face according to claim 6, wherein a plurality of the operating baskets (7) are provided, and a plurality of the operating baskets (7) are arranged at intervals along the height direction of the mounting frame (13).

8. The grouting device for filling corners of a coal mine stope face according to claim 6, wherein reinforcing steel bars are arranged at the bottom end of the operating basket (7).

9. A guniting apparatus for coal mine stope corner filling according to any one of claims 1-8, wherein the guniting pipe (10) is a length-telescopic pipe.

10. A guniting device for coal mine stope corner filling according to any one of claims 1-8, characterized in that the top of the mounting frame (13) is provided with a top leg (12).