Gas plugging expansion rock breaking device

Abstract

The utility model relates to the technical field of blasting, and discloses a gas plugging expansion rock breaking device which comprises a gas storage pipe, a sealing shell is fixedly installed on the outer wall of the gas storage pipe, an extension pipe is fixedly installed at the bottom of the sealing shell, a plug body is arranged at the top of the gas storage pipe, an extension ring is fixedly installed on the outer wall of the plug body, and the extension ring is fixedly installed on the outer wall of the plug body. A sealing ring is fixedly mounted on the inner wall of the sealing shell, and a sealing head is slidably connected to the inner wall of the extension pipe. When gas leakage is generated between a gas storage pipe and a plug main body, gas is diffused to the space between a sealing shell and an extension ring, then the gas enters, the gas pressure between the sealing shell and the extension ring is increased, a sealing head is extruded by the gas pressure to move downwards, then the sealing head compresses a first spring, and the exposed length of a telescopic column is increased; before use, the length of the telescopic column is observed, so that whether air leakage occurs between the plug body and the air storage pipe is judged, and the poor use effect is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of blasting, specifically to a gas plugging inflation rock breaking device. BACKGROUND

[0002] The gas plugging inflation rock breaking device is an engineering equipment for rock breaking by using the energy generated by high-pressure gas inflation, and is usually used in the fields of mining, tunnel excavation, geotechnical engineering, etc.

[0003] The existing gas plugging inflation rock breaking device may leak gas due to the bumping during transportation, which cannot be found in time when it is used on site, and the use effect is poor. In addition, the plug needs to be replaced after use, and the replacement method is complicated and difficult. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a gas plugging inflation rock breaking device, which has the advantages of gas leakage detection and convenient plug replacement, and solves the problems raised in the above background art.

[0005] The utility model provides following technical scheme: a gas plugging inflation rock breaking device, including gas storage pipe, the outer wall of gas storage pipe is fixedly installed with seal shell, the bottom of seal shell is fixedly installed with extension pipe, the top of gas storage pipe is equipped with plug main part, the outer wall of plug main part is fixedly installed with extension ring, the inner wall of seal shell is fixedly installed with sealing ring, the inner wall of extension pipe is connected with sealing head slidingly, the bottom of sealing head is fixedly installed with telescopic column, the inner wall of extension pipe is equipped with spring no.

[0006] As a preferred technical scheme of the utility model: the top of the seal shell is penetrated by the threaded column, and the threaded column is threadedly connected with the seal shell.

[0007] As a preferred technical scheme of the utility model: the outer wall of the seal shell is penetrated by the through groove, and the pull rod is located in the inner wall of the through groove.

[0008] As a preferred technical scheme of the utility model: the diameter of the extension ring is the same as the diameter of the inner wall of the seal shell, and the sealing ring is located at the bottom of the extension ring.

[0009] As a preferred technical scheme of the utility model: the diameter of the sealing head is matched with the inner wall diameter of the extension pipe, and the sealing head is attached to the inner wall of the extension pipe.

[0010] As a preferred technical scheme of the utility model: the size of the sliding block is matched with the size of the inner wall of the fixed groove, and the sliding block is attached to the fixed groove.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1、the gas plugging inflation rock breaking device, through the gas leakage between the gas storage pipe and the plug main body, the gas is emitted between the sealing shell and the extension ring, and then the gas is entered to enhance the air pressure between the sealing shell and the extension ring, so that the sealing head is extruded downward by the air pressure, and then the sealing head is compressed to make the exposed length of the telescopic column longer, so that the length of the telescopic column is observed before use, whether the gas leakage between the plug main body and the gas storage pipe is judged, and then the use effect is avoided.

[0013] 2、the gas plugging inflation rock breaking device, by pulling the two pullers, the puller drives the moving plate and the telescopic block to move to the inside of the sliding block, and then the telescopic block enters the inside of the sliding block, at this time, the plug main body is placed above the gas storage pipe, and moves to the inner wall of the sealing shell, and then the plug main body and the extension ring enter the inner wall of the sealing shell, at this time, the puller is loosened, and then the telescopic block is pushed out by the rebound of the spring two, and then the telescopic block reaches above the extension ring, at this time, the threaded column is rotated, and then the threaded column is connected with the sealing shell by the threaded connection and moves downward, and then the threaded column drives the sliding block to move downward, and then the sliding block drives the telescopic block to move downward, so that the telescopic block extrudes the extension ring to the top of the sealing ring, and then the extension ring is attached to the sealing ring. ACCURACY

[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0015] Figure 2 It is an explosion view structure schematic view of the utility model;

[0016] Figure 3 It is a sectional structure schematic view of the utility model;

[0017] Figure 4 It is a three-dimensional structure schematic view of the utility model Figure 3 It is an enlarged structure schematic view of A in the utility model;

[0018] Figure 5 It is a sectional structure schematic view of the sliding block of the utility model.

[0019] In the figure: 1, gas storage pipe; 2, sealing shell; 3, extension pipe; 4, plug main body; 5, extension ring; 6, sealing ring; 7, spring one; 8, sealing head; 9, telescopic column; 10, fixed groove; 11, sliding block; 12, threaded column; 13, telescopic block; 14, moving plate; 15, spring two; 16, pull rod; 17, pull head; 18, through slot. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Please refer to Figure 1 Figure 5 A gas sealing expansion rock breaking device, including gas storage pipe 1, sealing shell 2 is fixedly installed on the outer wall of gas storage pipe 1, extension pipe 3 is fixedly installed on the bottom of sealing shell 2, plug main body 4 is equipped at the top of gas storage pipe 1, extension ring 5 is fixedly installed on the outer wall of plug main body 4, sealing ring 6 is fixedly installed on the inner wall of sealing shell 2, sealing head 8 is slidably connected on the inner wall of extension pipe 3, telescopic column 9 is fixedly installed on the bottom of sealing head 8, spring one 7 is equipped on the inner wall of extension pipe 3, fixed groove 10 is formed on the inner wall of sealing shell 2, sliding block 11 is slidably connected on the inner wall of fixed groove 10, moving plate 14 is fixedly installed on the inner wall of sliding block 11, telescopic block 13 and one end of pull rod 16 are fixedly installed on the outer wall of moving plate 14 respectively, pull head 17 is fixedly installed on the other end of pull rod 16, through slot 18 is formed on the outer wall of sealing shell 2, threaded column 12 is rotatably connected on the top of sliding block 11, spring two 15 is equipped on the inner wall of sliding block 11.

[0022] In the above structure, the distance between the bottom of sliding block 11 and the bottom of telescopic block 13 is the same as the thickness of extension ring 5, so that when sliding block 11 moves to the bottom, the bottom of sliding block 11 is attached to the bottom of fixed groove 10, and the bottom of telescopic block 13 is attached to the top of extension ring 5.

[0023] In a preferred embodiment: threaded column 12 penetrates the top of sealing shell 2, and threaded column 12 is screw-connected with sealing shell 2.

[0024] In the above structure, by rotating threaded column 12, threaded column 12 moves up and down on the inner wall of threaded column 12 through the screw connection with sealing shell 2, so that threaded column 12 drives sliding block 11 to rotate, and sliding block 11 drives telescopic block 13 to move.

[0025] ​In a preferred implementation: the through groove 18 penetrates the outer wall of the sealing shell 2, and the pull rod 16 is located on the inner wall of the through groove 18.

[0026] In the above structure, when the sliding block 11 moves, it drives the pull rod 16 to move, at this time the pull rod 16 moves on the inner wall of the through groove 18, by pulling the pull head 17, the pull head 17 drives the pull rod 16 to move on the inner wall of the through groove 18, through the through groove 18, the pull rod 16 is not hindered when moving.

[0027] In a preferred implementation: the diameter of the extension ring 5 is the same as the diameter of the inner wall of the sealing shell 2, and the sealing ring 6 is located at the bottom of the extension ring 5.

[0028] In the above structure, by moving the extension ring 5 to fit with the sealing ring 6, the extension ring 5 seals the inner wall of the sealing shell 2, thereby reducing the leakage rate of the gas inside the sealing shell 2 to the outside through the sealing ring 6, and thereby the gas is emitted between the sealing shell 2 and the extension ring 5 when the leakage occurs between the gas storage pipe 1 and the plug body 4, thereby increasing the air pressure between the sealing shell 2 and the extension ring 5.

[0029] In a preferred implementation: the diameter of the sealing head 8 is adapted to the diameter of the inner wall of the extension pipe 3, and the sealing head 8 fits with the inner wall of the extension pipe 3.

[0030] In the above structure, the inner wall of the extension pipe 3 is sealed by the sealing head 8, thereby when the air pressure inside the sealing shell 2 increases, the sealing head 8 is pressed downward, thereby the sealing head 8 drives the telescopic column 9 to move downward, the sealing head 8 compresses the spring 7, and the length of the bottom of the telescopic column 9 changes from the extension pipe 3.

[0031] In a preferred implementation: the size of the sliding block 11 is adapted to the size of the inner wall of the fixed groove 10, and the sliding block 11 fits with the fixed groove 10.

[0032] In the above structure, by fitting the fixed groove 10 with the sliding block 11, the sliding block 11 is limited, thereby the two sides of the sliding block 11 cannot rotate when moving, thereby the sliding block 11 does not rotate during movement due to the rotating force of the threaded column 12.

[0033] Working principle: when using the device, the plug main body 4 needs to be installed, by pulling the two pullers 17, the moving plate 14 and the telescopic block 13 are driven to move to the inside of the sliding block 11, and then the telescopic block 13 enters the inside of the sliding block 11, at this time, the plug main body 4 is placed above the gas storage pipe 1 and moves to the inner wall of the sealing shell 2, and then the plug main body 4 and the extension ring 5 enter the inner wall of the sealing shell 2, at this time, the puller 17 is loosened, and then the telescopic block 13 is pushed out by the rebound of the spring 15, and then the telescopic block 13 reaches above the extension ring 5, at this time, the threaded column 12 is rotated, and then the threaded column 12 is connected with the sealing shell 2 by the threaded connection and moves downward, and then the threaded column 12 drives the sliding block 11 to move downward, and then the sliding block 11 drives the telescopic block 13 to move downward, so that the telescopic block 13 extrudes the extension ring 5 to the top of the sealing ring 6, and then the extension ring 5 is fixed with the sealing ring 6, at this time, the plug main body 4 is fixed by the extension ring 5, and then the plug main body 4 cannot move, the installation of the plug main body 4 is completed, when the gas storage pipe 1 and the plug main body 4 leak, the gas is emitted between the sealing shell 2 and the extension ring 5, and then the gas enters to increase the air pressure between the sealing shell 2 and the extension ring 5, so that the sealing head 8 is extruded downward by the air pressure, and then the sealing head 8 compresses the spring 7, so that the exposed length of the telescopic column 9 becomes longer, before use, the length of the telescopic column 9 is observed, so as to judge whether the plug main body 4 and the gas storage pipe 1 leak, and then the poor use effect is avoided.

[0034] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A gas-sealing, expanding rock breaking device comprising a gas storage tube (1), characterized in that: The outer wall of the gas storage pipe (1) is fixedly installed with a sealing shell (2), the bottom of the sealing shell (2) is fixedly installed with an extension pipe (3), the top of the gas storage pipe (1) is provided with a plug body (4), the outer wall of the plug body (4) is fixedly installed with an extension ring (5), the inner wall of the sealing shell (2) is fixedly installed with a sealing ring (6), the inner wall of the extension pipe (3) is slidably connected with a sealing head (8), the bottom of the sealing head (8) is fixedly installed with an extension column (9), the inner wall of the extension pipe (3) is provided with a spring (7), the inner wall of the sealing shell (2) is provided with a fixed groove (10), the inner wall of the fixed groove (10) is slidably connected with a sliding block (11), the inner wall of the sliding block (11) is fixedly installed with a moving plate (14), the outer wall of the moving plate (14) is respectively fixedly installed with an extension block (13) and one end of a pull rod (16), the other end of the pull rod (16) is fixedly installed with a pull head (17), the outer wall of the sealing shell (2) is provided with a through groove (18), the top of the sliding block (11) is rotatably connected with a threaded column (12), the inner wall of the sliding block (11) is provided with a spring (15).

2. The gas-sealed, inflatable rock breaking device of claim 1, wherein: The threaded column (12) penetrates the top of the sealing shell (2), and the threaded column (12) is in threaded connection with the sealing shell (2).

3. The gas-sealed, inflatable rock breaking device of claim 1, wherein: The through groove (18) penetrates the outer wall of the sealing shell (2), and the pull rod (16) is located in the inner wall of the through groove (18).

4. The gas-sealed, inflatable rock breaking device of claim 1, wherein: The diameter of the extension ring (5) is the same as the diameter of the inner wall of the sealing shell (2), and the sealing ring (6) is located at the bottom of the extension ring (5).

5. The gas-sealed, inflatable rock breaking device of claim 1, wherein: The diameter of the sealing head (8) is matched with the diameter of the inner wall of the extension pipe (3), and the sealing head (8) is in close contact with the inner wall of the extension pipe (3).

6. The gas-sealed, inflatable rock breaking device of claim 1, wherein: The size of the sliding block (11) is matched with the size of the inner wall of the fixed groove (10), and the sliding block (11) is in close contact with the fixed groove (10).

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