CN218716975U

CN218716975U - Colliery waste rock filling equipment in pit

Info

Publication number: CN218716975U
Application number: CN202222897943.1U
Authority: CN
Inventors: 吕人杰; 王守国; 吴超华; 李青满; 李志刚; 李磊; 谭毅; 刘宁宁
Original assignee: China Coal Xiyang Energy Co ltd
Current assignee: China Coal Xiyang Energy Co ltd
Priority date: 2022-11-01
Filing date: 2022-11-01
Publication date: 2023-03-24
Anticipated expiration: 2032-11-01

Abstract

The utility model discloses a colliery waste filling equipment in pit, it includes: the waste rock crusher is arranged at the top port of the mine; the conveying cylinder is arranged in the mine, the top port of the conveying cylinder is communicated with the discharge port of the gangue crusher, and the bottom end of the conveying cylinder extends downwards and extends into the goaf; the rotary shaft is arranged in the material conveying cylinder, the top end of the rotary shaft is rotatably arranged on the rotary table, the rotary table is fixed on the inner wall of the top of the material conveying cylinder by adopting a plurality of support rods, and the outer wall of the rotary shaft is fixedly welded with a spiral sheet; and the base is arranged under the material conveying cylinder, and the base is fixedly connected with the material conveying cylinder through a plurality of fixing rods. The utility model discloses in the device, adopt the waste rock breaker to carry out broken handle with the waste rock in advance, both conveniently transmit to collecting space area, still improved the density that fills in collecting space area.

Description

Colliery waste rock filling equipment in pit

Technical Field

The utility model particularly relates to a colliery waste rock filling technical field in the pit specifically is a colliery waste rock filling equipment in the pit.

Background

Coal mining at the present stage generally has two basic problems:

1. gangue is accumulated on the ground of a coal mining area to form a hill, and the occupied area is wide;

2. the mining area is easy to generate artificial disasters such as subsidence and the like, and the safety system cannot be guaranteed.

The gangue is low-calorific-value shale, the components of the gangue are inorganic matters and organic matters with complex components, if a gangue dump is exposed in the air, the gangue dump can cause great pollution and harm to the air, water sources, the land around a mining area and the personal health of workers, so coal mine operators fill the gangue in an underground goaf by adopting gangue filling equipment, the hazards of land occupation, pollution and the like caused by the gangue leaving a well can be avoided, the occurrence probability of land subsidence can be reduced, however, the size of the mined gangue is one larger in the filling process, the filling density is extremely low, and the area still has great hidden danger of subsidence.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a colliery waste filling equipment in pit in order to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a colliery is waste filling equipment in pit, it includes:

the waste rock crusher is arranged at the top port of the mine;

the conveying cylinder is arranged in the mine, the top port of the conveying cylinder is communicated with the discharge port of the gangue crusher, and the bottom end of the conveying cylinder extends downwards and extends into the goaf;

the rotary shaft is arranged in the material conveying cylinder, the top end of the rotary shaft is rotatably arranged on the rotary table, the rotary table is fixed on the inner wall of the top of the material conveying cylinder by adopting a plurality of support rods, and the outer wall of the rotary shaft is fixedly welded with a spiral sheet;

and the base, the base set up in under the feed delivery cylinder, the base with adopt a plurality of dead lever fixed connection between the feed delivery cylinder, just the base with still be connected with the adjustment mechanism that closes one's mouth between the feed delivery cylinder, fixed mounting has the motor in the base, the drive end of motor with the bottom fixed connection of pivot.

Further, preferably, the outer diameters of the material conveying cylinder and the base are the same, and the axial leads of the material conveying cylinder and the base are located on the same straight line.

Further, as preferred, the adjustment mechanism that closes a mouthful includes balancing weight, connecting rod, pin, spacing sliding ring and closed loop, spacing sliding ring match slide set up in the spacing annular intracavity of defeated feed cylinder bottom, the bottom of spacing sliding ring and the top fixed connection of closed loop, the bottom of closed loop passes the diapire of defeated feed cylinder and the top of a plurality of pins of fixedly connected with, every the top of the equal fixedly connected with connecting rod in bottom of pin, every the bottom of connecting rod all passes roof and the fixedly connected with balancing weight of base, and every the balancing weight all match slide set up in the counter weight inslot that corresponds on the base bottom surface.

Further, preferably, the connecting rod and the stopper rod have the same cross section.

Further, as a preferable mode, the outer surface of the weight block is provided with a smooth surface.

Further, preferably, the distance between the delivery cylinder and the base is smaller than the length of the closed ring.

Further, as preferred, the fixed welding of top port department of waste rock breaker has the feed box, just the feed inlet department of feed box is fixed and is provided with the feeder hopper.

The utility model adopts the above technique, compare with current technique and have following beneficial effect: in the device, the gangue crusher is adopted to crush the gangue in advance, the gangue is conveniently conveyed to a goaf, the filling density of the goaf is improved, meanwhile, a closed adjusting mechanism is connected between the material conveying cylinder and the base, when the base is pressed on the goaf surface, the balancing weight moves into the balancing weight groove under the action of reverse thrust, and the closed ring is completely pushed into the limiting ring cavity of the material conveying cylinder, so that an opening state is formed between the material conveying cylinder and the base; when the base upwards withdrawed along with the feed delivery cylinder, the balancing weight gliding to drive the closed loop and move down, make and form the state of remaining closed between feed delivery cylinder and the base, avoid at the in-process of withdrawing the feed delivery cylinder, the condition in the mine was left to partial waste rock hourglass in the section of thick bamboo, in order to ensure the security of each pipeline in the mine.

Drawings

FIG. 1 is a schematic structural diagram of a gangue filling device under a coal mine;

FIG. 2 is a schematic structural diagram of a closed adjusting mechanism in a gangue filling device under a coal mine;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 1. a gob; 2. a delivery cylinder; 3. a feed hopper; 4. a feeding box; 5. a gangue crusher; 6. a rotating shaft; 7. a limiting annular cavity; 8. a fixing rod; 9. a base; 10. a motor; 11. a balancing weight; 12. a connecting rod; 13. a stop lever; 14. a helical sheet; 15. a limiting slip ring; 16. and (4) closing the ring.

Detailed Description

With reference to the drawings in the embodiments of the present invention, the technical solutions in the embodiments of the present invention will be described clearly and completely below.

The embodiment is as follows: referring to fig. 1-3, the present invention provides a technical solution: a colliery is waste filling equipment in pit, it includes:

the gangue crusher 5 is arranged at the top port of the mine;

the conveying cylinder 2 is arranged in the mine, the top port of the conveying cylinder 2 is communicated with the discharge port of the gangue crusher 5, and the bottom end of the conveying cylinder 2 extends downwards and extends into the goaf 1;

the rotary shaft 6 is arranged in the material conveying cylinder 2, the top end of the rotary shaft 6 is rotatably arranged on the rotary table, the rotary table is fixed on the inner wall of the top of the material conveying cylinder 2 by adopting a plurality of supporting rods, and the outer wall of the rotary shaft 6 is fixedly welded with a spiral sheet 14;

and the base 9, the base 9 sets up under the feed cylinder 2, adopt a plurality of dead levers 8 fixed connection between base 9 and the feed cylinder 2, and still be connected with the adjustment mechanism that closes between base 9 and the feed cylinder 2, fixed mounting has motor 10 in the base 9, the drive end of motor 10 and the bottom fixed connection of pivot 6.

In this embodiment, the outer diameters of the feed delivery cylinder 2 and the base 9 are the same, and the axial leads of the feed delivery cylinder 2 and the base 9 are all located on the same straight line.

In this embodiment, close a mouthful adjustment mechanism includes balancing weight 11, connecting rod 12, pin 13, spacing sliding ring 15 and closed ring 16, spacing sliding ring 15 matches to slide and sets up in spacing annular chamber 7 of 2 bottoms of feed delivery cylinder, the bottom of spacing sliding ring 15 and closed ring 16's top fixed connection, the bottom of closed ring 16 passes the diapire of feed delivery cylinder 2 and the top of a plurality of pin 13 of fixedly connected with, the equal fixedly connected with connecting rod 12's in bottom of every pin 13 top, the roof and the fixedly connected with balancing weight 11 of base 9 are all passed to the bottom of every connecting rod 12, and every balancing weight 11 all matches the counter weight inslot that slides and set up the correspondence on the base 9 bottom surface.

In this embodiment, the connecting rod 12 and the stopper rod 13 have the same cross section.

In this embodiment, the outer surface of the weight block 11 is a smooth surface.

In this embodiment, the distance between the feed canister 2 and the base 9 is smaller than the length of the sealing ring 16.

In this embodiment, the fixed welding of top port department of waste rock breaker 5 has feed box 4, and the fixed feeder hopper 3 that is provided with in feed box 4's feed inlet department.

In the device, the gangue crusher 5 is adopted to crush the gangue in advance, so that the gangue is conveniently conveyed to a goaf, the filling density of the goaf is improved, meanwhile, a closed adjusting mechanism is connected between the material conveying cylinder 2 and the base 9, when the base is pressed against the position surface of the goaf, the balancing weight 11 is moved into the balancing weight groove under the action of reverse thrust, and the closed ring 16 is completely pushed into the limiting annular cavity of the material conveying cylinder 2, so that an opening state is formed between the material conveying cylinder 2 and the base 9; when the base 9 is upwards removed along with the feed delivery cylinder 2, the balancing weight 11 slides downwards and drives the closed ring 16 to move downwards, so that a closed state is formed between the feed delivery cylinder 2 and the base 9, the situation that part of gangue in the cylinder is leaked and remained in the mine in the process of removing the feed delivery cylinder 2 is avoided, and the safety of each pipeline in the mine is guaranteed.

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 technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a colliery waste filling equipment in pit which characterized in that, it includes:

the waste rock crusher (5), the waste rock crusher (5) is arranged at the top port of the mine;

the conveying cylinder (2) is arranged in the mine, a top port of the conveying cylinder (2) is communicated with a discharge port of the gangue crusher (5), and the bottom end of the conveying cylinder (2) extends downwards and extends into the goaf (1);

the rotary shaft (6) is arranged in the material conveying cylinder (2), the top end of the rotary shaft (6) is rotatably installed on a rotary table, the rotary table is fixed on the inner wall of the top of the material conveying cylinder (2) through a plurality of support rods, and a spiral sheet (14) is fixedly welded on the upper outer wall of the rotary shaft (6);

and base (9), base (9) set up in under feed delivery cylinder (2), base (9) with adopt a plurality of dead lever (8) fixed connection between feed delivery cylinder (2), just base (9) with still be connected with between feed delivery cylinder (2) and close a mouthful adjustment mechanism, fixed mounting has motor (10) in base (9), the drive end of motor (10) with the bottom fixed connection of pivot (6).

2. The underground coal mine gangue filling equipment according to claim 1, which is characterized in that: the outer diameters of the material conveying cylinder (2) and the base (9) are the same, and the axial leads of the material conveying cylinder (2) and the base (9) are all located on the same straight line.

3. The underground coal mine gangue filling equipment according to claim 2, which is characterized in that: the closed adjusting mechanism comprises a balancing weight (11), a connecting rod (12), stop levers (13), a limiting sliding ring (15) and a closed ring (16), wherein the limiting sliding ring (15) is matched and slidably arranged in a limiting ring cavity (7) at the bottom of the material conveying cylinder (2), the bottom end of the limiting sliding ring (15) is fixedly connected with the top end of the closed ring (16), the bottom end of the closed ring (16) penetrates through the bottom wall of the material conveying cylinder (2) and the top ends of the stop levers (13) fixedly connected with the bottom ends of the stop levers (13), each bottom end of the connecting rod (12) penetrates through the top wall of the base (9) and the balancing weight (11), and each balancing weight (11) is matched and slidably arranged in a corresponding balancing weight groove in the bottom surface of the base (9).

4. The underground coal mine gangue filling equipment according to claim 3, which is characterized in that: the connecting rod (12) and the stop lever (13) have the same cross section.

5. The underground coal mine gangue filling equipment according to claim 4, which is characterized in that: the outer surface of the balancing weight (11) is a smooth surface.

6. The underground coal mine gangue filling equipment according to claim 5, which is characterized in that: the distance between the material conveying cylinder (2) and the base (9) is smaller than the length of the closed ring (16).

7. The underground coal mine gangue filling equipment according to claim 1, which is characterized in that: the fixed welding of the top port department of waste rock breaker (5) has feed box (4), just the feed inlet department of feed box (4) is fixed and is provided with feeder hopper (3).