CN212958552U

CN212958552U - Multi-connected coal seam deep hole fracturing hole packer

Info

Publication number: CN212958552U
Application number: CN202021963194.2U
Authority: CN
Inventors: 乔磊; 韩凯
Original assignee: Jingxian Hongbang Rubber & Plastic Technology Co ltd
Current assignee: Jingxian Hongbang Rubber & Plastic Technology Co ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-04-13
Anticipated expiration: 2030-09-09

Abstract

The utility model discloses a many coal seam deep hole fracturing hole packer of connecting, including first inflation rubber tube, second inflation rubber tube and third inflation rubber tube, first inflation rubber tube top is provided with the water filling port, first inflation rubber tube bottom can be dismantled and is connected with second inflation rubber tube, second inflation rubber tube bottom can be dismantled and is connected with third inflation rubber tube be provided with the fracturing hole between first inflation rubber tube and the second inflation rubber tube, the connector has been seted up on first inflation rubber tube bottom surface, the connector has been seted up on second inflation rubber tube top surface, connector and connector joint. The utility model discloses set up connector and connector at inflation rubber tube both ends, through the mutual detachable installation of connector and connector between the popped rubber tube, can install or dismantle the hole packer to the degree of depth in coal hole, reached the installation quantity of best inflation rubber tube to the use limitation of hole packer has been improved.

Description

Multi-connected coal seam deep hole fracturing hole packer

Technical Field

The utility model relates to a hole packer technical field, concretely relates to coal seam deep hole fracturing hole packer of many connections.

Background

The hole packer is a sealing device for coal bed gas drainage and coal bed water injection drill hole orifices, and mainly comprises a gas drainage hole packer and a coal bed water injection hole packer.

Most of the existing hole packers are integrated and non-detachable, and because the integrated fixed hole packers cannot be continuously placed into the coal hole depth when the coal hole reaches a certain depth, the use limitation of the hole packers is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coal seam deep hole fracturing hole packer of many connections to solve and to provide in the above-mentioned background art because the fixed hole packer of integration when the coal cinder reachs certain degree of depth, the hole packer will unable continuation to place to coal cinder hole degree of depth the inside, shortened hole packer's use limitation problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a many coal seam deep hole fracturing hole packer of connecting, includes first inflation rubber tube, second inflation rubber tube and third inflation rubber tube, first inflation rubber tube top is provided with the water filling port, first inflation rubber tube bottom can be dismantled and be connected with second inflation rubber tube, second inflation rubber tube bottom can be dismantled and be connected with third inflation rubber tube, third inflation rubber tube passes through second inflation rubber tube and first inflation rubber tube fixed connection, be provided with the fracturing hole between first inflation rubber tube and the second inflation rubber tube, the connector has been seted up on first inflation rubber tube bottom surface, the connector has been seted up on second inflation rubber tube top surface, connector and joint connector, first inflation rubber tube is through connector and second inflation rubber tube fixed connection.

Preferably, the connector comprises a second clamping block, a second sliding groove, a second clamping groove and a sealing ring, the second clamping block is arranged on the periphery of the inner wall of the connector, the second sliding groove is formed in the two sides of the second clamping block inside the connector, the second clamping groove is formed in the upper end of the second clamping block inside the connector, and the sealing ring is adhered to the bottom end of the second clamping block on the inner wall of the connector.

Preferably, the connector comprises a first clamping block, a first sliding groove, a limiting block and a first clamping groove, the first clamping block and the limiting block are arranged on the periphery of the surface of the connector, and the surface of the connector is located on two sides of the first clamping block and provided with the first sliding groove.

Preferably, a piston device is arranged inside the joint of the first expansion rubber tube and the second expansion rubber tube.

Preferably, the number of the second clamping blocks is multiple, and a second clamping groove is formed among the multiple second clamping blocks.

Preferably, the number of the first clamping blocks is multiple, a limiting block is arranged between the first clamping blocks, and the limiting block and the first clamping blocks form a first clamping groove.

Compared with the prior art, the utility model provides a many coal seam deep hole fracturing hole sealers of connecting possesses following beneficial effect:

1. the utility model discloses set up connector and connector at inflation rubber tube both ends, through the mutual detachable installation of connector and connector between the popped rubber tube, can install or dismantle the hole packer to the degree of depth in coal hole, reached the installation quantity of best inflation rubber tube to the use limitation of hole packer has been improved.

2. The utility model discloses add the fracturing hole in the junction when increasing expansion rubber tube quantity, when expansion rubber tube quantity increases, fracturing hole quantity obtains increasing simultaneously, has improved the fracturing effect in coal hole to the work efficiency of coal hole fracturing has been improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic view of a three-dimensional structure of a hole packer provided by the utility model;

fig. 2 is a three-dimensional explosion diagram of the hole packer provided by the utility model;

fig. 3 is an enlarged view of a in fig. 2 according to the present invention;

fig. 4 is a schematic view of a three-dimensional cross-sectional structure of a hole packer provided by the utility model;

in the figure: 1. a water injection port; 2. a first expanded rubber tube; 3. a second expanded rubber tube; 4. a third expanded rubber tube; 5. a connector; 51. a first clamping block; 52. a first chute; 53. a limiting block; 54. a first card slot; 6. a connecting port; 61. a second fixture block; 62. a second chute; 63. a second card slot; 64. a seal ring; 7. a piston device; 8. and fracturing the hole.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1-4, the present invention provides a technical solution: a multi-connected coal seam deep hole fracturing hole packer comprises a first expansion rubber pipe 2, a second expansion rubber pipe 3 and a third expansion rubber pipe 4, wherein a water injection port 1 is formed in the top end of the first expansion rubber pipe 2, the bottom end of the first expansion rubber pipe 2 is detachably connected with the second expansion rubber pipe 3, the bottom end of the second expansion rubber pipe 3 is detachably connected with the third expansion rubber pipe 4, the third expansion rubber pipe 4 is fixedly connected with the first expansion rubber pipe 2 through the second expansion rubber pipe 3, a fracturing hole 8 is formed between the first expansion rubber pipe 2 and the second expansion rubber pipe 3, a fracturing hole 8 is also formed between the second expansion rubber pipe 3 and the third expansion rubber pipe 4, a fracturing hole 8 is formed between every two expansion rubber pipes, the fracturing holes 8 improve the fracturing effect of coal holes, a connector 6 is formed in the bottom end surface of the first expansion rubber pipe 2, connector 5 has been seted up on 3 top surfaces of second inflation rubber tube, connector 5 and connector 6 joint, and first inflation rubber tube 2 all passes through connector 6 and

connector

5 and 3 fixed connection of second inflation rubber tube, all through connector 6 and connector 5 fixed connection between per two inflation rubber tubes.

The connector 6 comprises a second clamping block 61, a second sliding groove 62, a second clamping groove 63 and a sealing ring 64, the periphery of the inner wall of the connector 6 is provided with the second clamping block 61, the two sides of the second clamping block 61 in the connector 6 are provided with the second sliding groove 62, the upper end of the second clamping block 61 in the connector 6 is provided with the second clamping groove 63, the bottom end of the second clamping block 61 in the inner wall of the connector 6 is adhered with the sealing ring 64, the sealing ring 61 is used for sealing the joint of every two expansion rubber tubes to prevent liquid leakage, the second clamping block 61 is slidably connected with the first sliding groove 52, the second clamping block is clamped with the first clamping groove, the connector 5 comprises a first clamping block 51, a first sliding groove 52, a limiting block 53 and a first clamping groove 54, the periphery of the surface of the connector 5 is provided with the first clamping block 51 and the limiting block 53, the surface of the connector 5 is provided with the first sliding groove, the first fixture block 51 is clamped with the second clamping groove 63, and every two expansion rubber tubes are fixedly connected through the first fixture block 51 and the second fixture block 61.

A piston device 7 is arranged inside the joint of the first expansion rubber tube 2 and the second expansion rubber tube 3, and the piston device 7 moves towards the bottom end of the hole packer under the action of hydraulic pressure, so that liquid can punch a plurality of expansion rubber tubes.

The number of the second clamping blocks 61 is multiple, the second clamping grooves 63 are formed among the multiple second clamping blocks 61, the second clamping blocks 61 are vertically arranged to be three, four blocks are transversely uniformly arranged on the inner wall of the connecting port 6, the second clamping grooves 63 are formed between the upper portion and the lower portion of the vertical three second clamping blocks 61, the second sliding grooves 62 are formed between the two sides of the four transverse second clamping blocks 61, the number of the first clamping blocks 51 is multiple, the limiting blocks 53 are arranged among the multiple first clamping blocks 51, the limiting blocks 53 and the first clamping blocks 51 form the first clamping grooves 54, the first clamping blocks are vertically arranged to be two, four blocks are transversely uniformly arranged on the inner wall of the connecting port, the first clamping grooves 54 are formed between the upper portion and the lower portion of the two vertical first clamping blocks 51 and the limiting blocks 53, and the first sliding grooves 52 are formed.

The utility model discloses when the installation, earlier through

first fixture block

51 and 62 sliding connection of second spout, sliding connection also takes place for first fixture block 61 and first spout 52 simultaneously, be connected to connector 5 and connector 6 when tightly pasting mutually, rotate second inflation rubber tube 3 again and make connector 5 rotate, connector 5 rotates and drives first fixture block 51 and rotates, first fixture block 51 and second draw-in groove 63 joint this moment, first fixture block 61 and first draw-in groove 54 joint, connector 5 can only rotate the removal angle under the blockking of stopper 53, first inflation rubber tube 3 is connected with second inflation rubber tube 4 this moment.

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. The utility model provides a coal seam deep hole fracturing hole packer of many connections, includes first inflation rubber tube (2), second inflation rubber tube (3) and third inflation rubber tube (4), its characterized in that: the top end of the first expansion rubber pipe (2) is provided with a water filling port (1), the bottom end of the first expansion rubber pipe (2) is detachably connected with a second expansion rubber pipe (3), the bottom end of the second expansion rubber pipe (3) is detachably connected with a third expansion rubber pipe (4), the third expansion rubber pipe (4) is fixedly connected with the first expansion rubber pipe (2) through a second expansion rubber pipe (3), a fracturing hole (8) is arranged between the first expansion rubber tube (2) and the second expansion rubber tube (3), a connecting port (6) is arranged on the surface of the bottom end of the first expansion rubber pipe (2), the top end surface of the second expansion rubber tube (3) is provided with a connector (5), connector (5) and connector (6) joint, first inflation rubber tube (2) are through connector (6) and connector (5) and second inflation rubber tube (3) fixed connection.

2. The multiple-connected coal seam deep hole fracturing packer of claim 1, wherein: the connecting port (6) comprises a second clamping block (61), a second sliding groove (62), a second clamping groove (63) and a sealing ring (64), the second clamping block (61) is arranged on the periphery of the inner wall of the connecting port (6), the connecting port (6) is located on two sides of the second clamping block (61) and is provided with the second sliding groove (62), the connecting port (6) is located on the upper end of the second clamping block (61) and is provided with the second clamping groove (63), and the sealing ring (64) is adhered to the bottom end, located on the inner wall of the connecting port (6), of the second clamping block (61).

3. The multiple-connected coal seam deep hole fracturing packer of claim 1, wherein: connector (5) include first fixture block (51), first spout (52), stopper (53) and first draw-in groove (54), connector (5) surface is provided with first fixture block (51) and stopper (53) all around, connector (5) surface is located first fixture block (51) both sides and is provided with first spout (52).

4. The multiple-connected coal seam deep hole fracturing packer of claim 1, wherein: and a piston device (7) is arranged in the joint of the first expansion rubber tube (2) and the second expansion rubber tube (3).

5. The multiple-connected coal seam deep hole fracturing packer of claim 2, wherein: the number of the second clamping blocks (61) is multiple, and a second clamping groove (63) is formed among the second clamping blocks (61).

6. The multiple-connected coal seam deep hole fracturing packer of claim 3, wherein: the number of the first clamping blocks (51) is multiple, a limiting block (53) is arranged between the first clamping blocks (51), and a first clamping groove (54) is formed by the limiting block (53) and the first clamping blocks (51).