CN213743500U - Hydraulic fracturing device for underground coal mine - Google Patents
Hydraulic fracturing device for underground coal mine Download PDFInfo
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- CN213743500U CN213743500U CN202022887717.6U CN202022887717U CN213743500U CN 213743500 U CN213743500 U CN 213743500U CN 202022887717 U CN202022887717 U CN 202022887717U CN 213743500 U CN213743500 U CN 213743500U
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- sleeve
- hydraulic fracturing
- rubber
- seat
- fracturing device
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Abstract
The utility model discloses a colliery is hydraulic fracturing device for in pit, including last cylinder base, a plurality of draw-in grooves have been seted up to the surface equidistance symmetry of last cylinder base, the one end of going up cylinder base is provided with the packing element, the one end of packing element is provided with down the packing element seat, the fixed ring of surface of lower packing element seat, the spacing groove has been seted up to the side of fixed ring, the surface cover of going up cylinder base, packing element, lower packing element seat is equipped with protective sleeve, protective sleeve's one end imbeds to the inside of spacing groove; through the protective case of design, can play certain guard action to the packing element, avoid it wearing and tearing to appear in the use, prolong its life, through the solid fixed ring of design, elastic metal piece, connecting block, spring, first sliding tray, second sliding tray, draw-in groove, spacing groove, conveniently install protective case.
Description
Technical Field
The utility model belongs to the technical field of hydraulic fracturing device, concretely relates to colliery is hydraulic fracturing device for in pit.
Background
Hydraulic fracturing is one of the main technologies for gas control in underground coal mine areas at present. By carrying out hydraulic fracturing on the regional coal body, the air permeability of the coal bed can be increased, the gas extraction rate is improved, the gas pressure of the coal bed is released, and the property of the coal body is changed, so that the outburst risk of coal and gas is reduced, and the purpose of co-extracting the coal and the gas is achieved. Wherein a hydraulic fracture packer is used.
When the existing hydraulic fracturing packer for underground coal mines is used, the surface of a rubber cylinder is fragile, the surface of the rubber cylinder is not provided with a corresponding protection device, the rubber cylinder is often abraded in the working process, the sealing performance of the joint of the rubber cylinder and a pipeline is low, and leakage can occur during use, so that a structure needs to be designed to solve the problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a colliery is hydraulic fracturing device for in pit 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: a hydraulic fracturing device for underground coal mines comprises an upper rubber sleeve base, wherein a plurality of clamping grooves are symmetrically formed in the surface of the upper rubber sleeve base at equal intervals, a rubber sleeve is arranged at one end of the upper rubber sleeve base, a lower rubber sleeve base is arranged at one end of the rubber sleeve, a fixing ring is fixed on the surface of the lower rubber sleeve base, a limiting groove is formed in the side face of the fixing ring, a protective sleeve is sleeved on the surface of the upper rubber sleeve base, the rubber sleeve and the lower rubber sleeve base, one end of the protective sleeve is embedded into the limiting groove, a plurality of second sliding grooves are symmetrically formed in the inner side surface of the other end of the protective sleeve, a first sliding groove is formed in the bottom end of each second sliding groove, a plurality of elastic metal sheets with V-shaped sections are arranged on the inner side surface of the other end of the protective sleeve at equal intervals, the top ends of the elastic metal sheets are embedded into the clamping grooves, two ends of the elastic metal sheets penetrate through the corresponding second sliding grooves and are embedded into the first sliding grooves respectively, the two ends of the elastic metal sheet are both fixed with connecting blocks, and springs are connected between the connecting blocks and the bottom ends of the first sliding grooves.
Preferably, the surface of the elastic metal sheet is provided with a zinc coating, and an included angle at the inner side corner of the elastic metal sheet is sixty degrees.
Preferably, the one end of lower rubber sleeve seat is provided with the lower clutch, the second ring channel has been seted up on the one end surface of lower clutch, one side of lower clutch is provided with the pipeline, first ring channel has been seted up on the one end surface of pipeline, the one end of pipeline is provided with connecting sleeve, connecting sleeve's one end embedding is to the inside of first ring channel, the other pot head of connecting sleeve establishes the surface at the lower clutch to and through threaded connection between the lower clutch, the one end of pipeline is fixed with the sealing washer, the sealing washer imbeds to the inside of second ring channel.
Preferably, the surface of the connecting sleeve is provided with a plurality of anti-slip strips, and the anti-slip strips are rubber members.
Preferably, the other end of the upper rubber cylinder seat is provided with an upper joint, and the section of the upper joint is of a circular structure.
Preferably, the surface of the other end of the upper rubber cylinder seat is provided with a plurality of deblocking shear pins, and cross grooves are formed in the surface of the deblocking shear pins.
Preferably, the upper rubber cylinder seat, the lower rubber cylinder seat and the rubber cylinder are internally provided with central pipes, and the surface of the rubber cylinder is bonded with a signboard.
Compared with the prior art, the beneficial effects of the utility model are that:
1. through the protective case of design, can play certain guard action to the packing element, avoid it wearing and tearing to appear in the use, prolong its life, through the solid fixed ring of design, elastic metal piece, connecting block, spring, first sliding tray, second sliding tray, draw-in groove, spacing groove, conveniently install protective case.
2. Through the connecting sleeve, the sealing ring, the first annular groove and the second annular groove, the sealing performance of the joint of the device and the pipeline can be improved, leakage of the device at the working process is avoided, and the sealing device is simple in structure and convenient to operate.
Drawings
Fig. 1 is a front view of the present invention;
FIG. 2 is a front cross-sectional view of the present invention;
FIG. 3 is an enlarged view of area A of FIG. 2 according to the present invention;
FIG. 4 is an enlarged view of area B of FIG. 2 according to the present invention;
fig. 5 is an enlarged view of region C of fig. 2 according to the present invention.
In the figure: 1. an upper rubber cylinder seat; 2. a protective sleeve; 3. a fixing ring; 4. a lower rubber cylinder seat; 5. a lower joint; 6. a rubber cylinder; 7. a limiting groove; 8. a first sliding groove; 9. a second sliding groove; 10. connecting blocks; 11. A resilient metal sheet; 12. a card slot; 13. a connecting sleeve; 14. a first annular groove; 15. a second annular groove; 16. and (5) sealing rings.
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.
Example 1
Referring to fig. 1 to 4, the present invention provides a technical solution: a hydraulic fracturing device for underground coal mines comprises an upper rubber cylinder base 1, a plurality of clamping grooves 12 are symmetrically formed in the surface of the upper rubber cylinder base 1 at equal intervals, a rubber cylinder 6 is arranged at one end of the upper rubber cylinder base 1, a lower rubber cylinder base 4 is arranged at one end of the rubber cylinder 6, a fixing ring 3 is fixed on the surface of the lower rubber cylinder base 4, a limiting groove 7 is formed in the side face of the fixing ring 3, a protective sleeve 2 is sleeved on the surfaces of the upper rubber cylinder base 1, the rubber cylinder 6 and the lower rubber cylinder base 4, the protective sleeve 2 is designed to play a certain protection role in the rubber cylinder 6 so as to prevent the rubber cylinder 6 from being worn in the using process and prolong the service life of the rubber cylinder, one end of the protective sleeve 2 is embedded into the limiting groove 7, a plurality of second sliding grooves 9 are symmetrically formed in the inner side surface of the other end of the protective sleeve 2, a first sliding groove 8 is formed in the bottom end of the second sliding groove 9, a plurality of elastic metal sheets 11 with V-shaped cross sections are arranged in the inner side surface of the protective sleeve 2 at equal intervals, the top of elastic metal piece 11 is embedded into the inside of draw-in groove 12, the both ends of elastic metal piece 11 run through the inside that corresponds second sliding tray 9 embedding to first sliding tray 8 respectively, the both ends of elastic metal piece 11 all are fixed with connecting block 10, be connected with the spring between connecting block 10 and the bottom of first sliding tray 8, solid fixed ring 3 through the design, elastic metal piece 11, connecting block 10, a spring, first sliding tray 8, second sliding tray 9, draw-in groove 12, zinc-plated groove 7, conveniently install protective sleeve 2, the surface of elastic metal piece 11 is provided with the layer, the contained angle of the inboard corner of elastic metal piece 11 is sixty degrees.
In this embodiment, preferably, the other end of the upper rubber sleeve holder 1 is provided with an upper joint, the upper joint is correspondingly connected with other pipelines, and the cross section of the upper joint is of a circular structure.
In this embodiment, preferably, the surface of the other end of the upper rubber sleeve holder 1 is provided with a plurality of deblocking shear pins, and the surface of the deblocking shear pins is provided with cross grooves which facilitate the rotation of the deblocking shear pins.
In this embodiment, preferably, the upper rubber cylinder base 1, the lower rubber cylinder base 4 and the rubber cylinder 6 are internally provided with a central tube, and the surface of the rubber cylinder 6 is bonded with a signboard, which is convenient for a user to know the basic information of the device.
Example 2
Referring to fig. 1 to 5, the present invention provides a technical solution: a hydraulic fracturing device for underground coal mines comprises an upper rubber cylinder base 1, a plurality of clamping grooves 12 are symmetrically formed in the surface of the upper rubber cylinder base 1 at equal intervals, a rubber cylinder 6 is arranged at one end of the upper rubber cylinder base 1, a lower rubber cylinder base 4 is arranged at one end of the rubber cylinder 6, a fixing ring 3 is fixed on the surface of the lower rubber cylinder base 4, a limiting groove 7 is formed in the side face of the fixing ring 3, a protective sleeve 2 is sleeved on the surfaces of the upper rubber cylinder base 1, the rubber cylinder 6 and the lower rubber cylinder base 4, the protective sleeve 2 is designed to play a certain protection role in the rubber cylinder 6 so as to prevent the rubber cylinder 6 from being worn in the using process and prolong the service life of the rubber cylinder, one end of the protective sleeve 2 is embedded into the limiting groove 7, a plurality of second sliding grooves 9 are symmetrically formed in the inner side surface of the other end of the protective sleeve 2, a first sliding groove 8 is formed in the bottom end of the second sliding groove 9, a plurality of elastic metal sheets 11 with V-shaped cross sections are arranged in the inner side surface of the protective sleeve 2 at equal intervals, the top of elastic metal piece 11 is embedded into the inside of draw-in groove 12, the both ends of elastic metal piece 11 run through the inside that corresponds second sliding tray 9 embedding to first sliding tray 8 respectively, the both ends of elastic metal piece 11 all are fixed with connecting block 10, be connected with the spring between connecting block 10 and the bottom of first sliding tray 8, solid fixed ring 3 through the design, elastic metal piece 11, connecting block 10, a spring, first sliding tray 8, second sliding tray 9, draw-in groove 12, zinc-plated groove 7, conveniently install protective sleeve 2, the surface of elastic metal piece 11 is provided with the layer, the contained angle of the inboard corner of elastic metal piece 11 is sixty degrees.
In this embodiment, it is preferable that one end of the lower rubber sleeve holder 4 is provided with the lower joint 5, a second annular groove 15 is provided on one end surface of the lower joint 5, one side of the lower joint 5 is provided with a pipeline, a first annular groove 14 is provided on one end surface of the pipeline, one end of the pipeline is provided with the connecting sleeve 13, one end of the connecting sleeve 13 is embedded into the first annular groove 14, the other end of the connecting sleeve 13 is sleeved on the surface of the lower joint 5, and is in threaded connection with the lower joint 5, one end of the pipeline is fixed with the sealing ring 16, the connecting sleeve 13 through design, the sealing ring 16, the first annular groove 14, the second annular groove 15, the sealing performance of the connection between the device and the pipeline can be improved, leakage of the device during operation is avoided, and the structure is simple, the operation is convenient, and the sealing ring 16 is embedded into the second annular groove 15.
In this embodiment, preferably, the surface of the connecting sleeve 13 is provided with a plurality of anti-slip strips, the anti-slip strips can prevent the connecting sleeve 13 from slipping when rotating, and the anti-slip strips are rubber members.
In this embodiment, preferably, the other end of the upper rubber sleeve holder 1 is provided with an upper joint, the upper joint is correspondingly connected with other pipelines, and the cross section of the upper joint is of a circular structure.
In this embodiment, preferably, the surface of the other end of the upper rubber sleeve holder 1 is provided with a plurality of deblocking shear pins, and the surface of the deblocking shear pins is provided with cross grooves which facilitate the rotation of the deblocking shear pins.
In this embodiment, preferably, the upper rubber cylinder base 1, the lower rubber cylinder base 4 and the rubber cylinder 6 are internally provided with a central tube, and the surface of the rubber cylinder 6 is bonded with a signboard, which is convenient for a user to know the basic information of the device.
The utility model discloses a theory of operation and use flow: when the utility model is used, firstly, the protective sleeve 2 is installed on the device, the protective sleeve 2 is sleeved on the surface of the device, one end of the protective sleeve 2 is embedded into the limiting groove 7, in the sleeving process, the surface of the upper rubber sleeve seat 1 extrudes the elastic metal sheet 11 to enable the elastic metal sheet to be stressed and deformed, the included angle at the inner side corner is enlarged, the two ends of the elastic metal sheet 11 slide in the first sliding groove 8 and the second sliding groove 9, at the moment, the elastic metal sheet 11 drives the connecting block 10 to extrude the spring to enable the spring to be stressed and contracted, the top end of the elastic metal sheet 11 clings to the surface of the upper rubber sleeve seat 1 to slide until the elastic metal sheet slides to the corresponding position of the clamping groove 12, the elastic metal sheet 11 restores deformation, the spring loses extrusion, the elastic metal sheet 11 is reversely pushed to move to one end, the elastic metal sheets 11 are respectively embedded into the corresponding clamping grooves 12, and the protective sleeve 2 is installed, can play certain guard action to packing element 6, next install the device in the hole that drills in advance, then with its and corresponding pipe connection, make the pot head of connecting sleeve 13 establish the one end surface at lower clutch 5, rotate connecting sleeve 13, connecting sleeve 13 passes through threaded connection with lower clutch 5, it also removes to one end when the pivoted, until 18 imbeds to the inside of second annular groove 15, just good with lower clutch 5 and corresponding pipe connection, the leakproofness of lower clutch 5 with the pipe connection department has been improved to this structure, avoid taking place to leak.
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 (7)
1. The utility model provides a colliery is hydraulic fracturing device for pit, includes last rubber barrel holder (1), its characterized in that: the surface of the upper rubber sleeve seat (1) is equidistantly and symmetrically provided with a plurality of clamping grooves (12), one end of the upper rubber sleeve seat (1) is provided with a rubber sleeve (6), one end of the rubber sleeve (6) is provided with a lower rubber sleeve seat (4), the surface of the lower rubber sleeve seat (4) is fixed with a fixing ring (3), the side surface of the fixing ring (3) is provided with a limiting groove (7), the surfaces of the upper rubber sleeve seat (1), the rubber sleeve (6) and the lower rubber sleeve seat (4) are sleeved with a protective sleeve (2), one end of the protective sleeve (2) is embedded into the limiting groove (7), the inner side surface of the other end of the protective sleeve (2) is symmetrically provided with a plurality of second sliding grooves (9), the bottom end of the second sliding grooves (9) is provided with a first sliding groove (8), the inner side surface of the other end of the protective sleeve (2) is equidistantly provided with a plurality of elastic metal sheets (11) with V-shaped sections, the top of elasticity sheetmetal (11) is embedded into the inside of draw-in groove (12), the inside of second sliding tray (9) embedding to first sliding tray (8) that corresponds is run through respectively at the both ends of elasticity sheetmetal (11), the both ends of elasticity sheetmetal (11) all are fixed with connecting block (10), be connected with the spring between the bottom of connecting block (10) and first sliding tray (8).
2. The hydraulic fracturing device for underground coal mine according to claim 1, which is characterized in that: the surface of the elastic metal sheet (11) is provided with a zinc coating, and the included angle at the inner side corner of the elastic metal sheet (11) is sixty degrees.
3. The hydraulic fracturing device for underground coal mine according to claim 1, which is characterized in that: the one end of lower rubber sleeve seat (4) is provided with lower clutch (5), second ring channel (15) have been seted up on the one end surface of lower clutch (5), one side of lower clutch (5) is provided with the pipeline, first ring channel (14) have been seted up on the one end surface of pipeline, the one end of pipeline is provided with connecting sleeve (13), the one end embedding of connecting sleeve (13) is to the inside of first ring channel (14), the other pot head of connecting sleeve (13) is established on the surface of lower clutch (5) to and through threaded connection between lower clutch (5), the one end of pipeline is fixed with sealing washer (16), sealing washer (16) imbed to the inside of second ring channel (15).
4. The hydraulic fracturing device for underground coal mine according to claim 3, wherein: the surface of the connecting sleeve (13) is provided with a plurality of anti-slip strips, and the anti-slip strips are rubber members.
5. The hydraulic fracturing device for underground coal mine according to claim 1, which is characterized in that: the other end of the upper rubber barrel seat (1) is provided with an upper joint, and the section of the upper joint is of a circular structure.
6. The hydraulic fracturing device for underground coal mine according to claim 1, which is characterized in that: the surface of the other end of the upper rubber barrel holder (1) is provided with a plurality of deblocking shear pins, and cross grooves are formed in the surfaces of the deblocking shear pins.
7. The hydraulic fracturing device for underground coal mine according to claim 1, which is characterized in that: the inner parts of the upper rubber cylinder seat (1), the lower rubber cylinder seat (4) and the rubber cylinder (6) are provided with central pipes, and the surface of the rubber cylinder (6) is bonded with a signboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022887717.6U CN213743500U (en) | 2020-12-03 | 2020-12-03 | Hydraulic fracturing device for underground coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022887717.6U CN213743500U (en) | 2020-12-03 | 2020-12-03 | Hydraulic fracturing device for underground coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213743500U true CN213743500U (en) | 2021-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022887717.6U Expired - Fee Related CN213743500U (en) | 2020-12-03 | 2020-12-03 | Hydraulic fracturing device for underground coal mine |
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| Country | Link |
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| CN (1) | CN213743500U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117108240A (en) * | 2023-09-27 | 2023-11-24 | 武汉齐达康能源装备有限公司 | Fracturing open flow device |
-
2020
- 2020-12-03 CN CN202022887717.6U patent/CN213743500U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117108240A (en) * | 2023-09-27 | 2023-11-24 | 武汉齐达康能源装备有限公司 | Fracturing open flow device |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210720 Termination date: 20211203 |