CN216789507U

CN216789507U - Hole sealing device for deep coal seam blasting water injection

Info

Publication number: CN216789507U
Application number: CN202220151463.8U
Authority: CN
Inventors: 任启发; 田民
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-06-21
Anticipated expiration: 2032-01-20

Abstract

The utility model discloses a hole sealing device for blasting water injection of a deep coal seam, which comprises a connecting pipe, wherein the outer walls of two sides of the connecting pipe are provided with a first water injection pipe and a second water injection pipe, and the outer wall of the connecting pipe is provided with two rotating rings, the outer walls of the two rotating rings are rotationally connected with two first flanges, two second flanges are fixed on the outer walls of the first water injection pipe and the second water injection pipe, the two first flanges are respectively fixed on the outer wall of one side of the two second flanges, the hole sealing device for water injection in deep coal seam blasting not only effectively ensures the connection tightness of the first water injection pipe and the second water injection pipe, but also promotes the bearing capacity of the joint of the first water injection pipe and the second water injection pipe.

Description

Hole sealing device for deep coal seam blasting water injection

Technical Field

The utility model relates to the technical field of hole sealing, in particular to a hole sealing device for blasting water injection of a deep coal seam.

Background

China is the first major coal producing country in the world, the coal yield accounts for more than thirty-five percent of the world, China also accounts for the largest coal consumption amount of the world, coal is always the main energy and important raw material of China, coal accounts for more than half of the whole time in the primary energy production and consumption, the coal mine reserves of China are abundant, but the geographical distribution of the coal resources is extremely unbalanced, the reserves suitable for open-air mining are small, most of the coal resources are located in hundreds of meters or even thousands of meters deep underground, so that the mining efficiency is low, the investment is overlarge, the construction period is long, in the work of a deep coal seam, workers need to drill holes in the coal seam in advance before working, pressure water is injected through the holes, water is made to permeate into the coal body, the water is increased, the physical characteristics of the coal are changed, the generation of coal dust can be reduced, and the impact pressure and adverse factors can be reduced.

However, in the process of blasting and injecting the deep coal seam, the pipe joint at the sealing hole may not only cause the water injection pipe to be disconnected due to excessive water pressure, but also the sealing performance at the sealing hole cannot be effectively ensured, so that a sealing device for blasting and injecting water in the deep coal seam is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a hole sealing device for blasting water injection of a deep coal seam, which aims to solve the problem of connection stability of a hole sealing part and a water injection pipe in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a hole sealing device that dark coal seam blasting water injection was used, includes the connecting pipe, connecting pipe both sides outer wall is provided with first water injection pipe and second water injection pipe, and the connecting pipe outer wall is provided with two swivel beckets, two the swivel beckets outer wall rotates and is connected with two first flanges, and first water injection pipe and second water injection pipe outer wall are fixed with two second flanges, two on the first flange is fixed in one side outer wall of two second flanges respectively, and the connecting pipe outer wall is fixed with the backup pad, backup pad both sides outer wall is provided with four connecting plates, and four connecting plate one side outer walls are fixed with four first fixed blocks, four first fixed block one side outer wall is fixed with four sliding fixing plate, and four sliding fixing plate bottom outer walls are provided with four arc cardboards, the connecting pipe inner wall is provided with one deck antirust paint layer.

As a preferred technical scheme of the utility model, two sealing bulges are arranged on the outer walls of two sides of the connecting pipe, and two sealing grooves are formed on the outer walls of one sides of the first water injection pipe and the second water injection pipe.

As a preferred technical scheme of the utility model, two sealing covers are fixed on the outer wall of the connecting pipe, and a layer of elastic rubber pad is arranged on the inner wall of each sealing cover.

As a preferred technical scheme of the utility model, two second fixing blocks are arranged on the outer walls of two sides of the arc-shaped clamping plate, and two threaded through holes are formed in the outer wall of the top of each second fixing block.

As a preferable technical scheme of the utility model, the outer wall of the arc-shaped clamping plate is provided with an elastic friction pad.

As a preferable technical scheme of the utility model, four connecting blocks are fixed on the outer walls of two sides of the supporting plate, and the outer wall of one side of each of the four connecting plates is fixed on the outer wall of one side of each of the four connecting blocks.

As a preferred technical scheme of the utility model, the outer wall of the connecting plate is provided with a rectangular through hole, the sliding fixing plate is connected to the inner wall of the rectangular through hole in a sliding manner, the inner walls of two sides of the rectangular through hole are provided with two guide sliding chutes, the outer walls of two sides of the sliding fixing plate are provided with two guide sliding blocks, and the guide sliding blocks and the guide sliding chutes form sliding fit.

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

1. according to the utility model, the first flange is rotated through the rotating ring, so that the threaded hole of the outer wall of the first flange and the threaded hole of the outer wall of the second flange can be quickly aligned, the first water injection pipe and the second water injection pipe at the sealing hole are conveniently installed, the first water injection pipe and the second water injection pipe are respectively installed behind two ends of the connecting pipe, the sliding fixing plate can be installed and fixed on the outer wall of one side of the first fixing block through screws, at the moment, the arc-shaped clamping plate at the bottom of the sliding fixing plate can effectively support and limit the first water injection pipe and the second water injection pipe, and the first flange is matched to effectively connect and fix the first water injection pipe and the second water injection pipe, so that the connection tightness of the first water injection pipe and the second water injection pipe is effectively ensured, and the pressure bearing capacity of the joint of the first water injection pipe and the second water injection pipe is promoted.

2. According to the utility model, by arranging the guide sliding block and the guide sliding groove, the distance between the arc-shaped clamping plate and the first water injection pipe and the distance between the arc-shaped clamping plate and the second water injection pipe can be adjusted through the rectangular through hole, so that the arc-shaped clamping plate can be conveniently installed and fixed, after the position of the arc-shaped clamping plate is adjusted, the sliding fixing plate can be fixed on one side of the first fixing block through screws, the guide sliding block can effectively guide and limit the movement of the sliding fixing plate, and the sealing property and the stability of the joint of the first flange and the second flange are effectively ensured.

3. According to the utility model, by arranging the sealing cover, the sealing bulge and the sealing groove, when the first water injection pipe and the second water injection pipe are butted with two ends of the connecting pipe, the sealing bulge is just clamped into the inner wall of the sealing groove, so that the sealing performance of the connecting parts of the first water injection pipe and the second water injection pipe and the two ends of the connecting pipe is improved, and meanwhile, the sealing cover on the outer wall of the connecting pipe can cover the outer walls of the first water injection pipe and the second water injection pipe, so that the connecting parts of the first water injection pipe and the two ends of the connecting pipe and the second water injection pipe are effectively protected.

4. According to the utility model, by arranging the elastic friction pad, the elastic friction pad can provide certain buffer between the arc-shaped clamping plate and the first water injection pipe and between the arc-shaped clamping plate and the second water injection pipe, and meanwhile, the problem that the arc-shaped clamping plate is rusted after being contacted with the first water injection pipe and the second water injection pipe for a long time can be avoided, and the service life of the whole body is prolonged.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic illustration of a partial explosion configuration of the present invention;

FIG. 3 is a schematic view of a first flange according to the present invention;

FIG. 4 is a schematic structural view of the arc-shaped clamping plate of the present invention.

In the figure: 1. a connecting pipe; 2. a first water injection pipe; 3. a second water injection pipe; 4. a connecting plate; 5. a first flange; 6. a support plate; 7. an arc-shaped clamping plate; 8. a second flange; 9. a first fixed block; 10. connecting blocks; 11. a sealing cover; 12. sealing the groove; 13. a rotating ring; 14. sealing the protrusion; 15. an elastic friction pad; 16. a second fixed block; 18. a sliding fixing plate; 19. and a guide slide block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution of a hole sealing device for deep coal seam blasting water injection:

the first embodiment is as follows:

according to the drawings of fig. 1, fig. 2, fig. 3 and fig. 4, the hole sealing device for deep coal seam blasting water injection comprises a connecting pipe 1, wherein the outer walls of two sides of the connecting pipe 1 are provided with a first water injection pipe 2 and a second water injection pipe 3, the outer wall of the connecting pipe 1 is provided with two rotating rings 13, the outer walls of the two rotating rings 13 are rotatably connected with two first flanges 5, the outer walls of the first water injection pipe 2 and the second water injection pipe 3 are fixed with two second flanges 8, the two first flanges 5 are respectively fixed on the outer walls of one sides of the two second flanges 8 through bolts, the outer wall of the connecting pipe 1 is fixed with a support plate 6, the outer walls of two sides of the support plate 6 are provided with four connecting plates 4, the outer wall of one side of the four connecting plates 4 is fixed with four first fixing blocks 9, the outer wall of one side of the four first fixing blocks 9 is fixed with four sliding fixing plates 18 through screws, and the outer walls of the bottoms of the four sliding fixing plates 18 are fixed with four arc-shaped clamping plates 7, the outer wall of 1 both sides of connecting pipe is provided with two sealed archs 14, and first

water injection pipe

2 and 3 one side outer walls of second water injection pipe open and to have two sealed recesses 12, and the outer wall of 1 connecting pipe is fixed with two sealed

cowls

11, and 11 inner walls of sealed cowls are provided with one deck elastic rubber pad, and the outer wall welding of 7 both sides of arc cardboard has two second fixed blocks 16, and open at 16 top outer walls of second fixed block has two screw thread through-holes, and 7 outer walls of arc cardboard are provided with elastic friction pad 15.

The outer wall of 6 both sides of backup pad has four connecting blocks 10 through the screw fixation, and on the outer wall of one side of four connecting plates 4 one side was fixed in one side outer wall of four connecting blocks 10, the 1 inner wall of connecting pipe was provided with the one deck anti rust paint layer.

When the hole sealing device for water injection in deep coal seam blasting is used, the first flange 5 is rotated through the rotating ring 13, the threaded hole in the outer wall of the first flange 5 and the threaded hole in the outer wall of the second flange 8 can be aligned quickly, so that the first water injection pipe 2 and the second water injection pipe 3 at the hole sealing position can be conveniently installed, the first water injection pipe 2 and the second water injection pipe 3 are respectively installed behind two ends of the connecting pipe 1, the sliding fixing plate 18 can be installed and fixed on the outer wall of one side of the first fixing block 9 through screws, the arc-shaped clamping plate 7 at the bottom of the sliding fixing plate 18 can effectively support and limit the first water injection pipe 2 and the second water injection pipe 3, the first flange 5 is matched to effectively connect and fix the first water injection pipe 2 and the second water injection pipe 3, the connection tightness of the first water injection pipe 2 and the second water injection pipe 3 is effectively ensured, but also promotes the pressure bearing capacity of the joint of the first water injection pipe 2 and the second water injection pipe 3.

Through setting up sealed cowling 11, sealed arch 14 and sealed recess 12, when first water injection pipe 2 and second water injection pipe 3 and the butt joint of connecting pipe 1's both ends, sealed arch 14 is gone into sealed recess 12 inner wall just in time, thereby improve the sealing performance at first water injection pipe 2 and second water injection pipe 3 and connecting pipe 1 two connection positions, the outer wall of first water injection pipe 2 and second water injection pipe 3 can be covered to the sealed cowling 11 of connecting pipe 1 outer wall simultaneously, carry out effectual protection to first water injection pipe 2 and second water injection pipe 3 and connecting pipe 1 two connection positions.

Simultaneously, through setting up second fixed block 16, after the outer wall of arc cardboard 7 card at first water injection pipe 2 and second water injection pipe 3, can fix two backup pads 6 that correspond from top to bottom through the bolt to let two arc cardboards 7 form a whole from top to bottom, improved the fixed effect of arc cardboard 7 to first water injection pipe 2 and second water injection pipe 3.

Through setting up elastic friction pad 15, elastic friction pad 15 can provide certain buffering between arc cardboard 7 and first water injection pipe 2 and the second water injection pipe 3, can avoid simultaneously taking place the problem of corrosion after long-time contact is in the same place between arc cardboard 7 and first water injection pipe 2 and the second water injection pipe 3, has improved whole life.

Example two:

on the basis of the first embodiment, as shown in fig. 4, the outer wall of the connecting plate 4 is provided with a rectangular through hole, the sliding fixing plate 18 is slidably connected to the inner wall of the rectangular through hole, the inner walls at two sides of the rectangular through hole are provided with two guiding sliding grooves, the outer walls at two sides of the sliding fixing plate 18 are provided with two guiding sliding blocks 19, and the guiding sliding blocks 19 and the guiding sliding grooves form a sliding fit.

When the hole sealing device for deep coal seam blasting water injection is used specifically, the distance between the arc-shaped clamping plate 7 and the first water injection pipe 2 and the distance between the arc-shaped clamping plate 7 and the second water injection pipe 3 can be adjusted through the rectangular through holes by arranging the guide sliding blocks 19 and the guide sliding grooves, so that the arc-shaped clamping plate 7 can be conveniently installed and fixed, after the position of the arc-shaped clamping plate 7 is adjusted, the sliding fixing plate 18 can be fixed on one side of the first fixing block 9 through screws, the guide sliding blocks 19 can effectively guide and limit the movement of the sliding fixing plate 18, and the sealing performance and the stability of the joint of the first flange 5 and the second flange 8 are effectively guaranteed.

In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The hole sealing device for water injection in deep coal seam blasting comprises a connecting pipe (1) and is characterized in that the outer walls of two sides of the connecting pipe (1) are provided with a first water injection pipe (2) and a second water injection pipe (3), the outer wall of the connecting pipe (1) is provided with two rotating rings (13), the outer walls of the two rotating rings (13) are rotatably connected with two first flanges (5), the outer walls of the first water injection pipe (2) and the second water injection pipe (3) are fixedly provided with two second flanges (8), the two first flanges (5) are respectively fixed on the outer walls of one sides of the two second flanges (8), the outer wall of the connecting pipe (1) is fixedly provided with a supporting plate (6), the outer walls of two sides of the supporting plate (6) are provided with four connecting plates (4), the outer walls of one sides of the four connecting plates (4) are fixedly provided with four first fixing blocks (9), and the outer walls of one sides of the four first fixing blocks (9) are fixedly provided with four sliding fixing plates (18), and the outer walls of the bottoms of the four sliding fixing plates (18) are provided with four arc-shaped clamping plates (7), and the inner wall of the connecting pipe (1) is provided with a layer of antirust paint layer.

2. The hole sealing device for the deep coal seam blasting water injection according to claim 1, characterized in that: the outer wall of two sides of the connecting pipe (1) is provided with two sealing bulges (14), and the outer wall of one side of the first water injection pipe (2) and the second water injection pipe (3) is provided with two sealing grooves (12).

3. The hole sealing device for the deep coal seam blasting water injection according to claim 2, characterized in that: two sealing covers (11) are fixed on the outer wall of the connecting pipe (1), and a layer of elastic rubber pad is arranged on the inner wall of each sealing cover (11).

4. The hole sealing device for the deep coal seam blasting water injection according to claim 1, characterized in that: two second fixed blocks (16) are arranged on the outer walls of the two sides of the arc-shaped clamping plate (7), and two threaded through holes are formed in the outer wall of the top of each second fixed block (16).

5. The hole sealing device for deep coal seam blasting water injection according to claim 4, characterized in that: the outer wall of the arc-shaped clamping plate (7) is provided with an elastic friction pad (15).

6. The hole sealing device for the deep coal seam blasting water injection according to claim 1, characterized in that: the outer walls of two sides of the supporting plate (6) are fixed with four connecting blocks (10), and the outer wall of one side of each of the four connecting plates (4) is fixed on the outer wall of one side of each of the four connecting blocks (10).

7. The hole sealing device for the deep coal seam blasting water injection according to claim 1, characterized in that: the outer wall of the connecting plate (4) is provided with a rectangular through hole, the sliding fixing plate (18) is connected to the inner wall of the rectangular through hole in a sliding mode, the inner walls of two sides of the rectangular through hole are provided with two guide sliding grooves, the outer walls of two sides of the sliding fixing plate (18) are provided with two guide sliding blocks (19), and the guide sliding blocks (19) are in sliding fit with the guide sliding grooves.