CN211081797U

CN211081797U - New two-plug one-injection hole packer

Info

Publication number: CN211081797U
Application number: CN201921912589.7U
Authority: CN
Inventors: 周春雷
Original assignee: 周春雷
Current assignee: HEBEI BANGTIAN MINE SAFETY EQUIPMENT Co.,Ltd.
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-07-24
Anticipated expiration: 2029-11-07

Abstract

The utility model relates to the technical field of gas exploitation, in particular to a new two-piece injection hole packer, which comprises a gas pipe and a grouting pipe, wherein the outer side of the gas pipe is provided with a hole packer core, the hole packer core is in sliding connection with the gas pipe, the right end of the inner side of the hole packer core is provided with an O-shaped ring, and the O-shaped ring is in sliding connection with the hole packer core positioned on the left side, the utility model discloses a through the arranged hole packer core, the arrangement is matched with the communication of the hole packer core and the gas pipe, the communication of the hole packer core and the grouting pipe, the sliding connection of an expansion rubber pipe and a shrinking iron sheet and the sliding connection of the expansion rubber pipe and the grouting pipe, because the grouting pipe is arranged outside the rubber expansion pipe, the gas pumping pipe is arranged inside the rubber pipe, and the device can be rapidly assembled when the device is used for exploiting gas, the operation is simple, and the operation is time-saving and labor-saving, the assembly and use cost of the device is greatly reduced, and the device is easy to popularize and use.

Description

New two-plug one-injection hole packer

Technical Field

The utility model relates to a gas exploitation technical field specifically is a new two notes hole packer.

Background

The gas is colorless and tasteless gas formed in the initial stage of plant accumulation coal formation, when the coal is formed, due to physical and chemical actions in a high-temperature and high-pressure environment, cellulose and organic matters of plant species generate the gas, the gas needs to be extracted from a coal bed, when the gas is extracted, a hole needs to be punched in the coal bed firstly, then a gas pipe needs to be stretched into the drilled hole to extract the gas, the gap between the drilled hole and the gas pipe needs to be sealed by cement for a certain distance, because the coal bed has a complex structure and a plurality of cracks, the coal mine generally has requirements on the sealing distance of twelve meters, the distance from the hole opening to the hole of twelve meters needs to be sealed by the cement, when the cement is used for sealing the hole, two hole sealers are respectively placed at two points of the distance between the hole opening and the twelve meters to seal the cement, the process is called as two-hole sealing and one-hole sealing process, along with the continuous increase of the types and the hole sealing modes of, some of the hole packers have some disadvantages in use, and therefore, there is an increasing demand for new two-piece one-injection hole packers.

In the gas exploitation field, the antistatic ability is relatively poor when the part hole packer that uses at present, and the effect of hole sealing is not good to can not the maximum normal exploitation of assurance gas, there is certain use risk, some hole packer structure is more complicated when using in addition, and the slip casting pipeline is inside rubber expansion pipe with taking out the gas pipeline, and the equipment process is more, and the cost of equipment and use is higher, difficult popularization, consequently, proposes two new injection hole packers to above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a new two notes hole packer to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the new two-plug one-injection hole packer comprises a gas pipe and a grouting pipe, wherein a hole packer core is arranged on the outer side of the gas pipe and is in sliding connection with the gas pipe, an O-shaped ring is arranged at the right end of the inner side of the second hole packer core on the left side and is in sliding connection with the second hole packer core on the left side, the O-shaped ring is in sliding connection with the gas pipe, an expansion rubber pipe is arranged on the outer side of the hole packer core and is in sliding connection with the expansion rubber pipe, the grouting pipe on the left side penetrates through the hole packer core on the left side, the grouting pipe on the right side penetrates through the second hole packer core on the right side, the grouting pipe on the left side is in sliding connection with the hole packer core on the side, the grouting pipe on the right side is in sliding connection with the second hole packer core on the right side, and both the grouting pipe on the left side and the grouting pipe on the right side are in sliding connection, and the outer side of each grouting pipe is provided with a grouting pipe quick-connection-plug connector, and the adjacent grouting pipes are communicated together through the grouting pipe quick-connection-plug connectors.

Preferably, a blasting valve is arranged on the outer side of the grouting pipe located in the middle and communicated with the grouting pipe located in the middle, and the blasting valve is communicated with the center of the grouting pipe located in the middle.

Preferably, the number of the hole packer cores is 4, the hole packer cores symmetrically slide on the left side and the right side of the gas pipe, and the hole packer cores are arranged in an arc shape.

Preferably, the outer sides of the grouting pipes on the left side and the right side are provided with rubber sleeves, the grouting pipes are fixedly connected with the rubber sleeves, the rubber sleeves are connected with the expansion rubber pipes in a sliding mode, and the expansion rubber pipes are made of rubber pipes.

Preferably, a pipe contracting iron sheet is arranged on the outer side of the expansion rubber pipe and is in sliding connection with the expansion rubber pipe, and the pipe contracting iron sheets symmetrically slide at the left end and the right end of the outer side of the expansion rubber pipe.

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

1. the utility model discloses in, through the hole packer core that sets up, this kind of setting cooperates the intercommunication of hole packer core and gas pipe, the intercommunication of hole packer core and slip casting pipe, the sliding connection of expansion rubber tube and draw iron sheet and the sliding connection of expansion rubber tube and slip casting pipe, because the slip casting pipeline is outside rubber expansion pipe, take out the gas pipeline inside the rubber tube, can be quick when using the device to exploit gas assemble the device, easy operation is convenient, and operation labour saving and time saving, greatly reduced the equipment and the use cost of device, easily use widely;

2. the utility model discloses in, through the inflation rubber tube and the blasting valve that set up, this kind sets up sliding connection, gum cover and the sliding connection of inflation rubber tube of cooperation inflation rubber tube and hole packer core, is located left second the hole packer core and the sliding connection of O type circle and the intercommunication of blasting valve and the slip casting pipe that is located the centre, when using the device under the condition that the coal seam crack is more and the coal seam crack does not influence gas exploitation, can guarantee the hole sealing effect of device, improved the antistatic performance of device to the normal safe exploitation of gas has been guaranteed.

Drawings

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

FIG. 2 is the overall structure diagram of the hole packer core of the utility model;

FIG. 3 is a cross-sectional view of the hole packer core of the present invention;

fig. 4 is a schematic structural diagram of a portion a of fig. 1 according to the present invention.

In the figure: 1-grouting pipe quick connector, 2-shrinking iron sheet, 3-rubber sleeve, 4-explosion valve, 5-grouting pipe, 6-expansion rubber pipe, 7-hole packer core, 8-gas pipe and 9-O-shaped ring.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

the new two-piece one-injection hole packer comprises a gas pipe 8 and a grouting pipe 5, wherein a hole packer core 7 is arranged on the outer side of the gas pipe 8, the hole packer core 7 is connected with the gas pipe 8 in a sliding manner, an O-shaped ring 9 is arranged at the right end of the inner side of the second hole packer core 7 on the left side, the O-shaped ring 9 is connected with the second hole packer core 7 on the left side in a sliding manner, the O-shaped ring is connected with the gas pipe 8 in a sliding manner, the arrangement ensures the stability and the sealing performance of the installed hole packer core 7, an expansion rubber pipe 6 is arranged on the outer side of the hole packer core 7, the hole packer core 7 is connected with the expansion rubber pipe 6 in a sliding manner, the grouting pipe 5 on the left side penetrates through the hole packer core 7 on the left side, the grouting pipe 5 on the right side penetrates through the second hole packer core 7 on the right side, and the grouting pipe 5 on the left, the grouting pipe 5 on the right side and the second hole packer core 7 on the right side are in sliding connection, the grouting pipe 5 on the left side and the grouting pipe 5 on the right side are both in sliding connection with the expansion rubber pipe 6, the grouting pipe 5 is convenient to assemble due to the arrangement, the operation is simple and convenient, the grouting pipe 5 outside is provided with the grouting pipe quick-plugging connector 1, the adjacent grouting pipes 5 are communicated together through the grouting pipe quick-plugging connector 1, and the grouting pipes 5 are convenient to quickly connect and detach due to the arrangement.

The outer side of the grouting pipe 5 positioned in the middle is provided with the blasting valve 4, the blasting valve 4 is communicated with the grouting pipe 5 positioned in the middle, the blasting valve 4 is communicated with the central position of the grouting pipe 5 positioned in the middle, the arrangement can carry out blasting type filling of cement under the condition of large coal seam cracks, the hole sealing effect of the device is ensured, and therefore normal exploitation of gas is ensured, 4 hole sealing machine cores 7 are provided, the hole sealing machine cores 7 symmetrically slide on the left side and the right side of the gas pipe 8, the hole sealing machine cores 7 are arranged in an arc shape, the arrangement ensures the sealing performance during exploitation of the gas, facilitates assembly of the device, reduces assembly cost of the device, rubber sleeves 3 are arranged on the outer side of the grouting pipe 5 positioned on the left side and the outer side of the grouting pipe 5 positioned on the right side, the grouting pipe 5 is fixedly connected with the rubber sleeves 3, and the rubber sleeves 3 are slidably connected with the expansion rubber pipe 6, the expansion rubber tube 6 is made of a rubber material, the arrangement ensures the stability of the installed grouting tube 5, the phenomenon of shaking friction after the installation of the grouting tube 5 is avoided, the generation of static electricity is avoided to the maximum extent, the normal safe exploitation of gas is ensured, the outer side of the expansion rubber tube 6 is provided with a pipe contracting iron sheet 2, the pipe contracting iron sheet 2 is in sliding connection with the expansion rubber tube 6, the pipe contracting iron sheet 2 slides symmetrically at the left end and the right end of the outer side of the expansion rubber tube 6, the arrangement is convenient for stable positioning of the device, the assembly of the device is greatly facilitated, and the operation is simple and convenient.

The working process is as follows: in the process of exploiting gas, when the cracks of the exploited coal seam are more, firstly, symmetrically sleeving four hole packer cores 7 at the left end and the right end outside a gas pipe 8, ensuring that an O-shaped ring is installed in the second hole packer core 7 positioned at the left side before sleeving, then communicating the grouting pipes 5 together through a grouting pipe quick-insertion connector 1, then communicating a blasting valve 4 with the central position of the grouting pipe 5 in the middle, fixing rubber sleeves 3 on the outer sides of the grouting pipes 5 at the left side and the right side after completing the operations, installing the communicated grouting pipes 5 at the top ends of the inner sides of the hole packer cores 7 after installing the rubber sleeves 3, then respectively sleeving rubber expansion rubber pipes 6 at the left side on the left end of the assembled device and the right end of the assembled device, and ensuring that the expansion rubber pipes 6 positioned at the left side slide with the first hole packer core 7 positioned at the left side and the second hole packer core 7 positioned at the left side, the expansion rubber tube 6 on the right side slides with the first hole packer core 7 on the right side and the second hole packer core 7 on the right side, after the expansion rubber tube 6 is sleeved, the assembled parts are positioned together through the pipe reducing iron sheet 2, the position and the number of the pipe reducing iron sheet 2 are ensured to be exactly corresponding to the position and the number of the hole packer cores 7, after the device is positioned, the device is arranged in the gas exploitation hole from zero to twelve meters, cement is injected into the grouting pipe 5 through the quick plug connector 1 of the grouting pipe on the leftmost side after the device is arranged, when the pressure of the injected cement reaches a set value, the blast valve 4 is opened, the cement blocks the middle position of the hole packer cores 7 at the upper end and the lower end, thereby plug up the crack in coal seam, guaranteed the normal exploitation of gas, when the coal seam crack does not influence the normal exploitation of gas, directly get rid of the blast valve 4 when the assembly device can.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Two new injection hole sealers, including gas pipe (8) and slip casting pipe (5), its characterized in that: a hole packer core (7) is arranged on the outer side of the gas pipe (8), the hole packer core (7) is in sliding connection with the gas pipe (8), an O-shaped ring (9) is arranged at the right end of the inner side of the hole packer core (7) on the left side, the O-shaped ring (9) is in sliding connection with the hole packer core (7) on the left side, the O-shaped ring is in sliding connection with the gas pipe (8), an expansion rubber pipe (6) is arranged on the outer side of the hole packer core (7), the hole packer core (7) is in sliding connection with the expansion rubber pipe (6), the grouting pipe (5) on the left side penetrates through the hole packer core (7) on the left side, the grouting pipe (5) on the right side penetrates through the second hole packer core (7) on the right side, and the grouting pipe (5) on the left side is in sliding connection with the hole packer core (7) on the, the grouting pipe (5) on the right side is in sliding connection with the second hole packer core (7) on the right side, the grouting pipe (5) on the left side and the grouting pipe (5) on the right side are in sliding connection with the expansion rubber pipe (6), a grouting pipe quick-connection connector (1) is arranged on the outer side of the grouting pipe (5), and the adjacent grouting pipes (5) are communicated together through the grouting pipe quick-connection connectors (1).

2. A new two-plug one-pack perforator according to claim 1 wherein: the outer side of the grouting pipe (5) positioned in the middle is provided with a blasting valve (4), the blasting valve (4) is communicated with the grouting pipe (5) positioned in the middle, and the blasting valve (4) is communicated with the center of the grouting pipe (5) positioned in the middle.

3. A new two-plug one-pack perforator according to claim 1 wherein: the number of the hole packer cores (7) is 4, the hole packer cores (7) symmetrically slide on the left side and the right side of the gas pipe (8), and the hole packer cores (7) are arranged in an arc shape.

4. A new two-plug one-pack perforator according to claim 1 wherein: be located the left slip casting pipe (5) outside and being located the right side slip casting pipe (5) outside all is equipped with gum cover (3), and slip casting pipe (5) and gum cover (3) fixed connection, gum cover (3) and expansion rubber tube (6) sliding connection, expansion rubber tube (6) are made by the tubular product of rubber material.

5. A new two-plug one-pack perforator according to claim 1 wherein: the outer side of the expansion rubber pipe (6) is provided with a pipe contracting iron sheet (2), the pipe contracting iron sheet (2) is in sliding connection with the expansion rubber pipe (6), and the pipe contracting iron sheet (2) symmetrically slides at the left end and the right end of the outer side of the expansion rubber pipe (6).