CN220929442U

CN220929442U - Hydraulic support for filling paste in thin coal seam

Info

Publication number: CN220929442U
Application number: CN202322794472.6U
Authority: CN
Inventors: 王永强; 孙红发; 李广亮; 闫善飞; 李帅; 杨晓波; 李晓杰; 张继业; 苏习灿; 王建军
Original assignee: Zhengzhou Coal Mining Machinery Group Co Ltd
Current assignee: Zhengzhou Coal Mining Machinery Group Co Ltd
Priority date: 2023-10-18
Filing date: 2023-10-18
Publication date: 2024-05-10
Anticipated expiration: 2033-10-18

Abstract

The utility model discloses a thin coal seam paste filling hydraulic support, which relates to the technical field of coal mine filling exploitation and comprises a base, wherein a front top beam and a rear top beam are respectively arranged front and back above the base, and are rotationally connected through a rotating shaft; a front upright post and a rear upright post are respectively connected in the middle of the upper surface of the base in a front-back rotating way, the upper end of the front upright post is connected with the front top beam in a rotating way, and the upper end of the rear upright post is connected with the rear top beam in a rotating way; the beneficial effects are that: through reasonable arrangement of the plugging mechanism and the position of the distributing pipe, the working space is increased, the rear view is good, and the operation and the observation of the construction condition are convenient; the upper end of the upper connecting rod is rotationally connected with the rotating shaft, the front upright post and the rear upright post respectively support the front top beam and the rear top beam to lift, the whole structure of the bracket is better in stress, and the lifting motions of the front top beam and the rear top beam are not affected; the movable jack is arranged at the tail part of the rear top beam to push the movable filling main pipe to move, so that the material distribution of the filling main pipe is not affected when the frame is moved.

Description

Hydraulic support for filling paste in thin coal seam

Technical Field

The utility model relates to the technical field of coal mine filling exploitation, in particular to a thin coal seam paste filling hydraulic support.

Background

As the service life of the mine is continuously prolonged, a plurality of mine high-quality resources are gradually mined, the problem of 'three-next-up' coal pressing is increasingly outstanding, the ecological environment of a mining area is seriously influenced by the waste rock discharge, and the phenomena of land, water source pollution and the like are caused.

The filling mining technology is taken as an effective means for actively protecting mine ecology, can solve the problem of gangue accumulation in mining areas and reduces the subsidence of the ground surface. The paste filling has remarkable effect on releasing the problem of 'three next up' coal pressing, not only treats waste, but also replaces high-quality coal resources, and has certain economic and ecological benefits.

Because the mining height of the thin coal seam is lower, the whole structure of the hydraulic support is more compact, so that the space is narrow, and the filling pipeline and the plugging mechanism are required to be arranged, so that the structure is more complex, the difficulty of the support and the movement of workers is greater, and the safety is poor. And the bracket has poor vision from front to rear, which affects the working efficiency.

Disclosure of utility model

The utility model aims to solve the problems, and provides a thin coal seam paste filling hydraulic support which is used for solving the problems of insufficient working space of a paste filling working face and difficulty in pedestrians and effectively improving the mining efficiency.

The utility model realizes the above purpose through the following technical scheme:

The thin coal seam paste filling hydraulic support comprises a base, wherein a front top beam and a rear top beam are respectively arranged above and in front of and behind the base, and are connected in a rotating way through a rotating shaft; a front upright post and a rear upright post are respectively connected in the middle of the upper surface of the base in a front-back rotating way, the upper end of the front upright post is connected with the front top beam in a rotating way, and the upper end of the rear upright post is connected with the rear top beam in a rotating way; four-bar mechanisms are respectively arranged at the left side and the right side of the base and correspond to the positions between the front upright post and the rear upright post, each four-bar mechanism comprises a front connecting bar rotationally connected to the base, a rear connecting bar rotationally connected to the base is arranged at the rear side of each front connecting bar, an upper connecting bar is rotationally connected to the upper end of each rear connecting bar, the upper ends of the upper connecting bars extend forwards and obliquely upwards, the upper ends of the upper connecting bars are rotationally connected with the rotating shafts, the upper ends of the front connecting bars are rotationally connected with the middle of the upper connecting bars, the lower parts of the left and the right upper connecting bars are fixedly connected through connecting bars, a balance jack is rotationally connected to the middle of each connecting bar, and the upper ends of the balance jacks are rotationally connected with the front top beams; the base rear end rotates and is connected with the connector, the connector rear end is provided with shutoff mechanism, back timber lower surface corresponds connector top position is provided with the removal slide, it is responsible for to slide on the removal slide, correspond on the back timber the removal jack that the removal slide position fixed mounting promoted the filling to be responsible for the removal, sealing connection has the cloth pipe on the filling to be responsible for, the cloth pipe rear end backward extends and passes shutoff mechanism.

Preferably: the front part of the base is provided with a push rod and a bottom lifting jack for moving the frame.

Preferably: the plugging mechanism comprises a telescopic isolation frame, wherein the lower end of the telescopic isolation frame is connected with the connecting body in a rotating mode, a first telescopic jack is fixedly installed at the lower portion of the telescopic isolation frame, the upper end of the first telescopic jack is fixedly connected with the upper end of the telescopic isolation frame, an adjusting jack is connected with the lower portion of the telescopic isolation frame in a rotating mode, and one end, away from the telescopic isolation frame, of the adjusting jack is connected with the connecting body in a rotating mode.

Preferably: the telescopic isolation frame is of a grid structure formed by a plurality of telescopic rods, and the material distribution pipe is avoided.

Preferably: the rear end of the rear top beam is provided with a tail beam in a sliding manner corresponding to the upper position of the movable slideway, and the lower surface of the tail beam is connected with the rear top beam through a second telescopic jack.

Preferably: the front end of the front top beam is provided with a telescopic beam which is arranged in a sliding manner, and the lower surface of the telescopic beam is connected with the front top beam through a third telescopic jack.

Compared with the prior art, the utility model has the beneficial effects that:

1. Through reasonable arrangement of the plugging mechanism and the position of the distributing pipe, the working space is increased, the rear view is good, and the operation and the observation of the construction condition are convenient;

2. The upper end of the upper connecting rod is rotationally connected with the rotating shaft, the front upright post and the rear upright post respectively support the front top beam and the rear top beam to lift, the whole structure of the bracket is better in stress, and the lifting motions of the front top beam and the rear top beam are not affected;

3. the lifting jack is vertically arranged on the outer side of the front upright post, so that the structure is more reasonable, and the bracket can be conveniently moved after lifting;

4. The movable jack is arranged at the tail part of the rear top beam to push the movable filling main pipe to move, so that the material distribution of the filling main pipe is not affected when the frame is moved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

Fig. 1 is a right side view of a thin seam paste filled hydraulic support according to the present utility model.

The reference numerals are explained as follows:

1. A base; 2. a front upright; 3. a rear pillar; 4. a front link; 5. a rear connecting rod; 6. a connecting body; 7. adjusting the jack; 8. a plugging mechanism; 9. a first telescopic jack; 10. a material distribution pipe; 11. tail boom; 12. a moving slideway; 13. a filling main pipe; 14. a second telescopic jack; 15. a rear top beam; 16. an upper connecting rod; 17. a balancing jack; 18. a front top beam; 19. a telescopic beam; 20. a third telescopic jack; 21. lifting a bottom jack; 22. a push rod.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model, and furthermore, the terms "first", "second", etc. are used for descriptive purposes only and should not be construed to indicate or imply relative importance or implying a number of the indicated technical features, whereby the features defining "first", "second", etc. may explicitly or implicitly include one or more of such features.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or by communication between two elements, the specific meaning of the terms in the present disclosure will be understood by those skilled in the art in view of the specific circumstances.

The utility model is further described below with reference to the accompanying drawings:

As shown in fig. 1, the thin coal seam paste filling hydraulic support comprises a base 1, wherein a front top beam 18 and a rear top beam 15 are respectively arranged front and back above the base 1, and the front top beam 18 and the rear top beam 15 are rotationally connected through a rotating shaft; the middle of the upper surface of the base 1 is respectively connected with a front upright post 2 and a rear upright post 3 in a front-back rotating way, the upper end of the front upright post 2 is connected with a front top beam 18 in a rotating way, and the upper end of the rear upright post 3 is connected with a rear top beam 15 in a rotating way; four-bar mechanisms are respectively arranged at positions between the left side and the right side of the base 1, corresponding to the front upright post 2 and the rear upright post 3, each four-bar mechanism comprises a front connecting rod 4 rotatably connected to the base 1, a rear connecting rod 5 rotatably connected with the base 1 is arranged at the rear side of the front connecting rod 4, an upper connecting rod 16 is rotatably connected to the upper end of the rear connecting rod 5, the upper end of the upper connecting rod 16 extends forwards and obliquely upwards, the upper end of the upper connecting rod 16 is rotatably connected with a rotating shaft, the upper end of the front connecting rod 4 is rotatably connected with the middle of the upper connecting rod 16, the lower parts of the left upper connecting rod 16 and the right upper connecting rod 16 are fixedly connected through connecting rods, the middle of the connecting rods is rotatably connected with a balance jack 17, the upper ends of the balance jack 17 are rotatably connected with a front top beam 18, and the front upright post 2, the rear upright post 3 and the balance jack 17 mainly support the front top beam 18 and the rear top beam 15; the upper connecting rod 16 is hinged with the front top beam and the rear top beam through the same hole, so that the whole structure of the bracket is better stressed, the front ends of the front top beam and the rear top beam are both in a high-strength thin box shape, and the operation space is increased to the greatest extent; the rear end of the base 1 is rotationally connected with a connecting body 6, the rear end of the connecting body 6 is provided with a plugging mechanism 8, the lower surface of a rear top beam 15 is provided with a movable slideway 12 corresponding to the upper position of the connecting body 6, a filling main pipe 13 is slidably arranged on the movable slideway 12, a movable jack for pushing the filling main pipe 13 to move is fixedly arranged on the rear top beam 15 corresponding to the position of the movable slideway 12, a distributing pipe 10 is connected on the filling main pipe 13 in a sealing manner, and the rear end of the distributing pipe 10 extends backwards to pass through the plugging mechanism 8.

The front part of the base 1 is provided with a push rod 22 for moving a frame and a bottom lifting jack 21, the bottom lifting jack 21 is vertically arranged outside the front upright post 2, the structure is more reasonable, and the support is convenient to move after lifting.

The plugging mechanism 8 comprises a telescopic isolation frame, the lower end of the telescopic isolation frame is rotationally connected with the connecting body 6, the telescopic isolation frame is used for jacking upwards, a first telescopic jack 9 is fixedly arranged at the lower part of the telescopic isolation frame, the upper end of the first telescopic jack 9 is fixedly connected with the upper end of the telescopic isolation frame, an adjusting jack 7 is rotationally connected at the lower part of the telescopic isolation frame, one end, far away from the telescopic isolation frame, of the adjusting jack 7 is rotationally connected with the connecting body 6, isolation cloth is arranged on the right side of the telescopic isolation frame, the upper end of the isolation cloth is lapped on the telescopic isolation frame, and the isolation cloth is correspondingly provided with holes at the position of the material distribution pipe 10; the first telescopic jack 9 controls the lifting of the upper part of the telescopic isolation frame to realize the telescopic and retraction of the telescopic isolation frame; the adjusting jack 7 controls the plugging mechanism 8 to swing to enable the plugging mechanism 8 to be in a vertical state and plays a role in supporting the plugging mechanism 8; the tail part of the rear top beam 15 is provided with a moving jack for pushing the filling main pipe 13 to move, so that the material distribution of the filling main pipe 13 is not affected when the frame is moved.

The telescopic isolation frame is of a grid structure formed by a plurality of telescopic rods, and the telescopic isolation frame is arranged to avoid the material distribution pipe 10, so that the telescopic isolation frame is prevented from being blocked by the material distribution pipe 10 in an extending manner.

The rear end of the rear top beam 15 is provided with a tail beam 11 in a sliding manner corresponding to the upper position of the movable slideway 12, and the lower surface of the tail beam 11 is connected with the rear top beam 15 through a second telescopic jack 14; the front end of the front top beam 18 is provided with a telescopic beam 19 which is arranged in a sliding way, and the lower surface of the telescopic beam 19 is connected with the front top beam 18 through a third telescopic jack 20; the second telescopic jack 14 and the third telescopic jack 20 respectively control the extension and retraction of the tail beam 11 and the telescopic beam 19, and play a role in supporting in time.

Working principle: when the hydraulic support is used, the coal cutter is used for circularly cutting coal, the hydraulic support is used for carrying out machine following operation, and after one filling cloth distance is completed, the coal mining operation is stopped; the plugging mechanism 8 is adjusted to be vertical through the adjusting jack 7, personnel enter the goaf to lay isolation cloth, the isolation cloth is hung at the upper end of the telescopic isolation frame, the first telescopic jack 9 is controlled to extend, the upper end of the isolation cloth is pressed on a roadway top plate by the upper end of the telescopic isolation frame, and therefore a closed space is formed behind the isolation cloth; after filling and the paste is solidified, the bracket is pulled and moved along with the operation of the coal mining machine, and the next cycle of coal mining and filling operation is carried out.

The base 1, the front upright 2, the rear upright 3, the adjusting jack 7, the first telescopic jack 9, the distributing pipe 10, the tail boom 11, the moving slideway 12, the moving jack, the filling main pipe 13, the second telescopic jack 14, the rear top beam 15, the balancing jack 17, the front top beam 18, the telescopic beam 19, the third telescopic jack 20 and the bottom lifting jack 21 are all universal standard components or components known to a person skilled in the art, and the structure and the principle of the device are known by the person skilled in the art through technical manuals or known through routine experiment methods, so that excessive description is not needed.

While there have been shown and described what are at present considered to be fundamental principles, main features and advantages of the present utility model, it will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, but rather, the foregoing embodiments and description illustrate only the principles of the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a hydraulic support is filled to thin coal seam lotion, includes base (1), its characterized in that: a front top beam (18) and a rear top beam (15) are respectively arranged in front of and behind the base (1), and the front top beam (18) and the rear top beam (15) are rotationally connected through a rotating shaft; a front upright post (2) and a rear upright post (3) are respectively connected in the middle of the upper surface of the base (1) in a front-back rotating way, the upper end of the front upright post (2) is connected with the front top beam (18) in a rotating way, and the upper end of the rear upright post (3) is connected with the rear top beam (15) in a rotating way; the device comprises a base (1), a front upright (2) and a rear upright (3), wherein a four-bar mechanism is arranged between the left side and the right side of the base (1) and corresponds to the front upright (2) and the rear upright (3), the four-bar mechanism comprises a front connecting bar (4) which is rotationally connected to the base (1), a rear connecting bar (5) which is rotationally connected to the base (1) is arranged on the rear side of the front connecting bar (4), an upper connecting bar (16) is rotationally connected to the upper end of the rear connecting bar (5), the upper end of the upper connecting bar (16) extends forwards and obliquely upwards, the upper end of the upper connecting bar (16) is rotationally connected with a rotating shaft, the upper ends of the front connecting bar (4) are rotationally connected with the middle of the upper connecting bar (16), the lower parts of the left and the right connecting bars are fixedly connected through connecting bars, a balance jack (17) is rotationally connected to the middle of the connecting bars, and the upper ends of the balance jack (17) are rotationally connected with a front top beam (18). The novel filling machine is characterized in that a connecting body (6) is rotationally connected to the rear end of the base (1), a plugging mechanism (8) is arranged at the rear end of the connecting body (6), a movable slideway (12) is arranged above the rear top beam (15) corresponding to the connecting body (6), a filling main pipe (13) is slidably arranged on the movable slideway (12), a movable jack for pushing the filling main pipe (13) to move is fixedly arranged on the rear top beam (15) corresponding to the position of the movable slideway (12), a distributing pipe (10) is connected to the filling main pipe (13) in a sealing mode, and the rear end of the distributing pipe (10) extends backwards to pass through the plugging mechanism (8).

2. A thin seam paste filled hydraulic prop according to claim 1, wherein: the front part of the base (1) is provided with a push rod (22) for moving the frame and a bottom lifting jack (21).

3. A thin seam paste filled hydraulic prop according to claim 1, wherein: the plugging mechanism (8) comprises a telescopic isolation frame, the lower end of the telescopic isolation frame is rotationally connected with the connecting body (6), a first telescopic jack (9) is fixedly installed at the lower portion of the telescopic isolation frame, the upper end of the first telescopic jack (9) is fixedly connected with the upper end of the telescopic isolation frame, an adjusting jack (7) is rotationally connected at the lower portion of the telescopic isolation frame, and one end, far away from the telescopic isolation frame, of the adjusting jack (7) is rotationally connected with the connecting body (6).

4. A thin seam paste filled hydraulic prop according to claim 3, wherein: the telescopic isolation frame is of a grid structure formed by a plurality of telescopic rods, and is arranged to avoid the material distribution pipe (10).

5. A thin seam paste filled hydraulic prop according to claim 1, wherein: the rear end of the rear top beam (15) is provided with a tail beam (11) in a sliding manner corresponding to the upper position of the movable slideway (12), and the lower surface of the tail beam (11) is connected with the rear top beam (15) through a second telescopic jack (14).

6. A thin seam paste filled hydraulic prop according to claim 1, wherein: the front end of the front top beam (18) is provided with a telescopic beam (19) which is arranged in a sliding manner, and the lower surface of the telescopic beam (19) is connected with the front top beam (18) through a third telescopic jack (20).