CN213039251U

CN213039251U - Gas drainage hole sealing device

Info

Publication number: CN213039251U
Application number: CN202022214478.8U
Authority: CN
Inventors: 黄楠楠; 樊帅将; 刘海勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-04-23
Anticipated expiration: 2030-10-09

Abstract

The utility model relates to a coal mine equipment technical field discloses a gas drainage hole sealing device, including the grout box, the inside of grout box is provided with the installation cavity, the top fixedly connected with filling tube of grout box, one side fixedly connected with protecting crust of grout box, and the symmetry rotates in the protecting crust and is connected with two axis of rotation A, fixedly connected with gear on the axis of rotation A, the rear side fixedly connected with servo motor of protecting crust, and servo motor is connected with one of them axis of rotation A's one end transmission, and it has the rack to peg graft in the protecting crust. The utility model discloses an thereby open servo motor and make axis of rotation A drive gear revolve and make rack horizontal migration's promotion pressure plate, can accelerate like this in cement mortar gets into the grouting pump, can effectually solve current grouting device like this, because of the most unable volume that adjusts cement mortar gets into the grouting pump, and lead to the problem that the device work efficiency is low.

Description

Gas drainage hole sealing device

Technical Field

The utility model relates to a coal mine equipment technical field especially relates to a gas drainage hole sealing device.

Background

The gas is commonly known as coal bed gas, is hydrocarbon gas existing in the coal bed, and has the same main component of methane as natural gas; the gas is inflammable and explosive, when the concentration of the gas in the air is 5-16%, the gas can explode when meeting a fire source, high-temperature and high-pressure shock waves are formed instantly, and a large amount of carbon monoxide is generated; gas is a great threat to the safety production of coal mines, and once gas explosion or coal and gas outburst accidents happen to the coal mines, a great amount of casualties can be caused; at present, the hole sealing technology of coal mine gas extraction drill holes in China mainly comprises the step of filling cement mortar into gas extraction holes by a grouting device to seal the holes.

At present, the hole sealing technology of coal mine gas extraction drill holes in China mainly comprises cement mortar hole sealing, polyurethane hole sealing, hole sealing of a hole sealer for mines and the like, which are popularized and applied in a certain period, wherein cement mortar has certain defects, and when the cement mortar seals a horizontal hole or a nearly horizontal hole, a gap is formed between mortar precipitation and the drill hole under the action of gravity, so that the sealing effect is poor.

To above-mentioned problem, application number CN 201921878040.0's utility model discloses a gas drainage drilling hole sealing device, outwards stimulate annular connecting plate, the outside pulling of annular connecting plate drives the second connection pad and outwards removes together, the second connection pad is close to each other with first connection pad this moment, and to cement mortar extrusion, cement mortar passes through the outside that the check valve discharged the solid fixed cylinder, rethread threaded rod moves right and drives the loose collar and be close to left the spacing ring, and extrude the outside cement mortar of solid fixed cylinder, thereby make the outside cement mortar extrusion of solid fixed cylinder more tight.

However, the following problems still exist in the practical application of the patent: the slip casting effect of slip casting process is not ideal, mainly because cement mortar can slowly solidify under long-time stewing, just so can make the efficiency of grouting pump extraction cement mortar descend, can appear the phenomenon that can't extract because solidifying comparatively seriously even, makes the unable normal work of the slip casting device that this hole sealing device used, and its absorption capacity that can't adjust the grouting pump now, mostly for the cement mortar is naturally absorbed to the grouting pump.

Therefore, the gas extraction hole sealing device is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem existing in the prior art and providing a gas drainage hole sealing device.

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

a gas extraction hole sealing device comprises a grouting box body, an installation cavity is arranged in the grouting box body, a feeding pipe is fixedly connected to the top of the grouting box body, a protective shell is fixedly connected to one side of the grouting box body, two rotating shafts A are symmetrically and rotatably connected in the protective shell, a gear is fixedly connected to the rotating shafts A, a servo motor is fixedly connected to the rear side of the protective shell, the servo motor is in transmission connection with one end of one rotating shaft A, a rack is inserted in the protective shell and is in meshing connection with the gear, one end of the rack penetrates through the grouting box body and is fixedly connected with a pressure plate, the pressure plate is slidably connected in the grouting box body, two rotating shafts B are symmetrically and rotatably connected in the grouting box body, a plurality of stirring blades are fixedly connected to the rotating shafts B, a driving motor is fixedly connected to one side of the grouting, all fixedly cup jointed the sprocket on two axis of rotation B, the meshing is connected with the driving chain on the sprocket, bottom fixedly connected with grouting pump in the grouting box, the fixed pipe of one side fixedly connected with of grouting box, the one end fixed connection of grouting pump is in the fixed pipe, and the slip casting pipe has been cup jointed in the activity on the fixed pipe, fixedly connected with cardboard on the slip casting pipe, the fixed cover of cardboard has connect the gas hole.

Preferably, a guide rod is inserted into the pressure plate, and both ends of the guide rod are fixedly connected in the grouting box body.

Preferably, the pressure plate is made of stainless steel, and the pressure plate is tightly attached to the inner wall of the grouting box body.

Preferably, the top of the grouting pump is fixedly connected with a sliding body, and the sliding body is triangular prism-shaped.

Preferably, one side fixedly connected with control panel of grout box, control panel and driving motor and the equal electric connection of servo motor.

Preferably, four corners of the bottom of the grouting box body are fixedly connected with locking wheels.

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

1. the utility model discloses, through set up the gliding mass at the top of grouting pump, make the cement mortar that lies in above the grouting pump slide to the horizontal direction of grouting pump, the grouting pump of being convenient for extracts, is favorable to improving the work efficiency of the device;

2. the utility model discloses, through the stirring to cement, can effectually prevent that cement mortar from solidifying, guaranteed the normal extraction of grouting pump, be favorable to improving the slip casting efficiency of device.

Drawings

Fig. 1 is a schematic structural diagram of the inside of a gas extraction hole sealing device provided by the utility model;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

fig. 3 is an enlarged view of the structure at B in fig. 1.

In the figure: 1. grouting a box body; 2. a protective shell; 3. a rotating shaft A; 4. a gear; 5. a servo motor; 6. a rack; 7. a pressure plate; 8. a feed tube; 9. a rotating shaft B; 10. a stirring blade; 11. a drive motor; 12. a drive chain; 13. grouting pump; 14. a fixed tube; 15. a grouting pipe; 16. clamping a plate; 17. and (4) gas holes.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a gas extraction hole sealing device comprises a grouting box body 1, an installation cavity is arranged inside the grouting box body 1, a feeding pipe 8 is fixedly connected to the top of the grouting box body 1, a protective shell 2 is fixedly connected to one side of the grouting box body 1, two rotating shafts A3 are symmetrically and rotatably connected in the protective shell 2, a gear 4 is fixedly connected to the rotating shafts A3, a servo motor 5 is fixedly connected to the rear side of the protective shell 2, the servo motor 5 is in transmission connection with one end of one rotating shaft A3, a rack 6 is inserted in the protective shell 2, the rack 6 is in meshing connection with the gear 4, one end of the rack 6 penetrates through the grouting box body 1 and is fixedly connected with a pressure plate 7, the pressure plate 7 is slidably connected in the grouting box body 1, two rotating shafts B9 are symmetrically and rotatably connected in the grouting box body 1, a plurality of stirring blades 10 are fixedly connected to the rotating shaft B539, the driving motor 11 is in transmission connection with one end of one rotating shaft B9, chain wheels are fixedly sleeved on the two rotating shafts B9, a transmission chain 12 is meshed and connected on the chain wheels, a grouting pump 13 is fixedly connected at the bottom in the grouting box body 1, a fixed pipe 14 is fixedly connected at one side of the grouting box body 1, one end of the grouting pump 13 is fixedly connected in the fixed pipe 14, a grouting pipe 15 is movably sleeved on the fixed pipe 14, a clamping plate 16 is fixedly connected on the grouting pipe 15, a gas hole 17 is fixedly sleeved on the clamping plate 16, through the matching of the chain wheels and the transmission chain 12, one rotating shaft B9 drives the stirring blades 10 to rotate, and the other rotating shaft B9 and the stirring blades 10 are driven to rotate, so that cement mortar in the device can be stirred, the cement mortar can be effectively prevented from being solidified together, the grouting pump 13 can be normally extracted, and the grouting efficiency of the device is increased, thereby make axis of rotation A3 drive gear 4 and rotate the promotion pressure plate 7 that makes rack 6 horizontal migration through opening servo motor 5, can accelerate like this in cement mortar gets into grouting pump 13, can effectual solution current grouting device like this, because of the most unable volume of adjusting cement mortar entering grouting pump 13, and lead to the problem that the device work efficiency is low.

Wherein, it has the guide bar to peg graft in the pressure plate 7, and the equal fixed connection in grouting box 1 in both ends of guide bar can carry on spacingly to pressure plate 7 like this, prevents that pressure plate 7 from taking place the skew at the in-process that removes.

Wherein, the material of pressure plate 7 is stainless steel, and pressure plate 7 closely laminates with the inner wall of grouting box 1, and effectual reduction cement mortar permeates from the gap of pressure plate 7 with grouting box 1 inner wall like this.

Wherein, grouting pump 13's top fixedly connected with gliding mass, the shape of gliding mass is the triangular prism, can make the cement mortar that is located grouting pump 13 top slide to grouting pump 13's horizontal direction like this to be convenient for grouting pump 13 to extract, increased the device's work efficiency.

Wherein, one side fixedly connected with control panel of grout box 1, control panel and driving motor 11 and the equal electric connection of servo motor 5 can assist the staff like this to driving motor 11 and servo motor 5's control.

Wherein, the equal fixedly connected with locking wheel in bottom four corners of grout box 1, through the cooperation of four locking wheels, can be convenient for the device remove the place of difference and carry out work to the device's convenience has been increased.

The working principle is as follows: the utility model discloses in, when the device needs the during operation, at first open driving motor 11 and make one of them axis of rotation B9 drive stirring vane 10 and rotate, sprocket pulling driving chain 12 makes another axis of rotation B9 drive stirring vane 10 and also follow the rotation simultaneously, can evenly stir the cement mortar in the device, make cement mortar get into grouting pump 13 in, when the device needs accelerate the speed that cement mortar gets into grouting pump 13, at first open servo motor 5 and make one of them axis of rotation A3 drive gear 4 and rotate, make 6 horizontal migration's of rack promotion pressure plate 7 remove in grouting pump 1 along the guide bar, can force to push grouting pump 13 with cement mortar in, carry out hole sealing slip casting.

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

1. The gas extraction hole sealing device comprises a grouting box body (1) and is characterized in that an installation cavity is arranged inside the grouting box body (1), a feeding pipe (8) is fixedly connected to the top of the grouting box body (1), a protective shell (2) is fixedly connected to one side of the grouting box body (1), two rotating shafts A (3) are symmetrically and rotatably connected in the protective shell (2), a gear (4) is fixedly connected to each rotating shaft A (3), a servo motor (5) is fixedly connected to the rear side of the protective shell (2), the servo motor (5) is in transmission connection with one end of one rotating shaft A (3), a rack (6) is inserted in the protective shell (2), the rack (6) is in meshing connection with the gear (4), one end of the rack (6) penetrates through the grouting box body (1) and is fixedly connected with a pressure plate (7), and the pressure plate (7) is in sliding connection in the grouting box body (1), the symmetry rotates in grout box (1) and is connected with two axis of rotation B (9), fixedly connected with a plurality of stirring vane (10) on axis of rotation B (9), one side fixedly connected with driving motor (11) of grout box (1), driving motor (11) are connected with the one end transmission of one of them axis of rotation B (9), equal fixed sprocket that has cup jointed on two axis of rotation B (9), the meshing is connected with driving chain (12) on the sprocket, bottom fixedly connected with grouting pump (13) in grout box (1), one side fixedly connected with fixed tube (14) of grout box (1), the one end fixed connection of grouting pump (13) is in fixed tube (14), slip casting pipe (15) have been cup jointed in the activity on fixed tube (14), fixedly connected with cardboard (16) on slip casting pipe (15), gas hole (17) have been cup jointed on cardboard (16) fixedly.

2. The gas extraction hole sealing device according to claim 1, wherein a guide rod is inserted into the pressure plate (7), and two ends of the guide rod are fixedly connected in the grouting box body (1).

3. The gas extraction hole sealing device according to claim 1, wherein the pressure plate (7) is made of stainless steel, and the pressure plate (7) is tightly attached to the inner wall of the grouting box body (1).

4. The gas extraction hole sealing device according to claim 1, wherein a sliding body is fixedly connected to the top of the grouting pump (13), and the sliding body is triangular prism-shaped.

5. The gas extraction hole sealing device according to claim 1, wherein a control board is fixedly connected to one side of the grouting box body (1), and the control board is electrically connected with the driving motor (11) and the servo motor (5).

6. The gas extraction hole sealing device according to claim 1, wherein locking wheels are fixedly connected to four corners of the bottom of the grouting box body (1).