CN213205645U - High-pressure water closet for coal seam hydraulic cutting - Google Patents
High-pressure water closet for coal seam hydraulic cutting Download PDFInfo
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- CN213205645U CN213205645U CN202022260129.XU CN202022260129U CN213205645U CN 213205645 U CN213205645 U CN 213205645U CN 202022260129 U CN202022260129 U CN 202022260129U CN 213205645 U CN213205645 U CN 213205645U
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Abstract
The utility model discloses a coal seam water conservancy is water under high pressure just for cutting, including rotate assemble in the main part and its rig change end with the drilling rod change end respectively stretch out the switching pole of main part, the switching pole have with the inside water channel who holds the water cavity intercommunication of main part, can dismantle in the main part be connected with hold the water inlet connector of water cavity intercommunication, the rig change end and the drilling rod link of switching pole are connected with rig and hollow drilling rod respectively. The utility model has the characteristics of coal seam fracturing operation is simple, and operation intensity is little, and the potential safety hazard is low. The utility model is suitable for a technical field of coal seam fracturing.
Description
Technical Field
The utility model belongs to the technical field of coal seam fracturing, specifically speaking relates to a coal seam is water under high pressure just for hydraulic cutting.
Background
At present, the common means of the coal seam fracturing mode are as follows: and drilling the coal bed by using a drilling machine, extending the fracturing pipe into a preset position in a drilled hole after the drilling is finished, and providing high-pressure water for the fracturing pipe by using a high-pressure water pump, wherein the high-pressure water jets into the gap of the coal bed and fractures the coal bed. By adopting the mode, the different heights and different angles of the fracturing pipes extending into the drill holes need to be adjusted, and further, the fracturing of different positions of the coal bed is realized. Like this for the process of coal seam fracturing is complicated, and operating strength is big, at the in-process of adjustment fracturing pipe, has intensity of labour big, the problem that the potential safety hazard is many.
SUMMERY OF THE UTILITY MODEL
The utility model provides a coal seam hydraulic cutting that carries out coal seam fracturing when creeping into the coal seam is with high pressure water just.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides a coal seam water conservancy is water under high pressure just for cutting, includes that the rotation assembles in the main part and its rig switching end and drilling rod switching end stretch out the switching pole of main part respectively, and the switching pole has the water channel who holds the water cavity intercommunication with the main part is inside, can dismantle in the main part be connected with hold the inlet tube of water cavity intercommunication connect, the rig switching end and the drilling rod link end of switching pole are connected with rig and hollow drilling rod respectively.
Furthermore, a water stopping unit is assembled between the adapter rod and the main body, and the water containing cavity is formed between the two water stopping units.
Furthermore, the two ends of the main body are respectively detachably provided with an assembling seat, and each assembling seat is respectively abutted against the corresponding water stopping unit.
Furthermore, bearings are respectively assembled on the assembling seats, the bearings are sleeved on the adapter rod, and an end cover which compresses the bearings on the assembling seats is detachably connected to one end, far away from the main body, of each assembling seat.
Furthermore, an end sealing ring with an X-shaped section is embedded at the joint of the end cover and the adapter rod.
Furthermore, the water stopping unit comprises a water stopping sleeve sleeved on the switching rod and abutted to the inner wall of the main body through an outer wall, an outer sealing ring is sleeved on the outer wall of the water stopping sleeve, an assembling cavity is formed in one end face, close to the water containing cavity, of the water stopping sleeve, the water stopping rubber ring is installed in the assembling cavity, the inner wall of the water stopping rubber ring is in contact with the outer wall of the switching rod, a check ring is installed at one end, close to the water containing cavity, of the water stopping sleeve, and the check ring is limited in the main body through a clamp spring installed in the main body.
Furthermore, the combination of the water stop sleeve, the outer sealing ring and the water stop rubber ring is at least two groups, and the water stop sleeve, the outer sealing ring and the water stop rubber ring are sequentially and tightly attached to each other along the axial direction of the adapter rod.
Furthermore, the water passing channel extends out of the drill rod transfer end along the axial direction of the transfer rod from the position of the transfer rod in the water containing cavity.
Furthermore, a plurality of communicating holes are formed in the circumferential surface of the switching rod and positioned in the water containing cavity, and each communicating hole is respectively communicated with the water passing channel and the water containing cavity.
The utility model discloses owing to adopted foretell structure, it compares with prior art, and the technical progress who gains lies in: the drilling machine is connected with the drilling machine switching end of the switching rod, the hollow drilling rod is connected with the drilling rod switching end of the switching rod, and the drilling machine drives the switching rod to drive the drilling rod to rotate and drill the coal bed; meanwhile, high-pressure water enters the water containing cavity through the water inlet pipe joint and enters the drill rod through the water containing cavity, the high-pressure water fractures different heights and angles of the coal bed along with drilling of the drill rod, and the drilling speed of the drilling machine can be controlled according to different depths and specific conditions of the coal bed, so that the coal bed is fully fractured; the utility model discloses a rotatable formula leads to water equipment, its advantage is: the water flowing pressure is high, the flow rate is large, and enough energy is provided for coal bed fracturing; therefore, the utility model has the characteristics of coal seam fracturing operation is simple, and operation intensity is little, and the potential safety hazard is low.
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 serve to explain the invention and not to limit the invention.
In the drawings:
FIG. 1 is a sectional view of an axial structure of the embodiment of the present invention, which is connected to a high-pressure water-through drill rod and an ejector;
fig. 2 is a sectional view of an axial structure of an embodiment of the present invention;
fig. 3 is an exploded view of the structure of the embodiment of the present invention;
fig. 4 is a schematic structural view of the water stopping unit mounted on the adapter rod according to the embodiment of the present invention;
fig. 5 is a schematic structural view of a water stopping unit according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a water stop sleeve according to an embodiment of the present invention;
fig. 7 is a schematic structural view of the water stop rubber ring according to the embodiment of the present invention.
Labeling components: 100-main body, 101-adapter rod, 102-water stop sleeve, 1021-assembly cavity, 103-water stop rubber ring, 1031-rubber seat, 1032-inner sealing ring, 104-outer sealing ring, 105-retainer ring, 106-snap spring, 107-assembly seat, 108-first bolt, 109-bearing, 110-end cover, 111-end sealing ring, 112-second bolt, 113-water containing cavity, 114-water inlet pipe joint, 115-interface, 116-water channel, 200-drill rod joint, 300-high pressure water passing drill rod, 400-jet device, 500-cutting spray head, 600-guide device or drill bit.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for purposes of illustration and explanation only and are not intended to limit the invention.
The utility model discloses a high-pressure water chamber for coal seam hydraulic cutting, as shown in figure 1, the two ends of the high-pressure water chamber are respectively connected with a drilling machine and a drill rod joint 200, and are sequentially connected with one of a high-pressure water-through drill rod 300, an ejector 400, a cutting spray head 500 and a guider or a drill bit 600 through the drill rod joint 200; the concrete structure is as follows: as shown in fig. 2, the water-through drill comprises a main body 100 and an adapter rod 101, the main body 100 is a hollow sleeve body, the adapter rod 101 is assembled in the main body 100 and rotatably connected with the main body 100, two ends of the adapter rod 101 are respectively a drill rotation end and a drill rod rotation end, the drill rotation end and the drill rod rotation end are respectively used for being connected with a drill and a hollow high-pressure water-through drill rod 300, the drill rotation end and the drill rod rotation end of the drill rotation end respectively extend out of two axial ends of the main body 100, a water containing cavity 113 is formed in the main body 100, a water passing channel 116 communicated with the water containing cavity 113 is formed in the adapter rod 101, and the water passing channel 116 is communicated with a hollow part of the high-. A water inlet nipple 114 communicating with the water containing chamber 113 is detachably connected to the main body 100 by means of a screw connection. The utility model discloses a theory of operation and advantage lie in: the drilling machine is connected with the drilling machine switching end of the switching rod 101, the hollow high-pressure water-through drill rod 300 is connected with the drill rod switching end of the switching rod 101, and the drilling machine drives the switching rod 101 to drive the high-pressure water-through drill rod 300 to rotate and drill a coal bed; meanwhile, high-pressure water enters the water containing cavity 113 through the water inlet pipe joint 114 and enters the high-pressure water through drill rod 300 through the water containing cavity 113, along with the drilling of the high-pressure water through drill rod 300, the high-pressure water is sprayed out by the cutting spray head 500 on the ejector 400, the coal seam is fractured at different heights and angles, the drilling speed of the drilling machine can be controlled according to different depths and specific conditions of the coal seam, and the coal seam is fully fractured; the utility model discloses a rotatable formula leads to water equipment, its advantage is: the water flowing pressure is high, the flow rate is large, and enough energy is provided for coal bed fracturing; therefore, the utility model has the characteristics of coal seam fracturing operation is simple, and operation intensity is little, and the potential safety hazard is low.
As a preferred embodiment of the present invention, as shown in fig. 4 to 7, a water stop unit is assembled between the adapter rod 101 and the main body 100, and a water containing cavity 113 is formed between the two water stop units. The effect of setting up stagnant water unit is the phenomenon of the emergence leakage after preventing that the water under high pressure from getting into this embodiment to avoid each component parts life-span of this embodiment to shorten, and avoid the water under high pressure to be let out pressure and the fracturing effect causes the influence simultaneously. Wherein, the concrete structure of this embodiment stagnant water unit does: the water stopping unit comprises a water stopping sleeve 102 sleeved on the adapter rod 101, the outer wall of the water stopping sleeve 102 abuts against the inner wall of the main body 100, an annular groove is formed in the outer wall of the water stopping sleeve 102, an outer sealing ring 1034 is sleeved on the water stopping sleeve 102 and assembled in the groove, and the outer sealing ring 1034 is tightly attached to the inner wall of the main body 100; in the embodiment, an assembly cavity 1021 is formed on the end face of the water stop sleeve 102 close to one end of the water containing cavity 113, the water stop rubber ring 103 is installed in the assembly cavity 1021, and the inner wall of the water stop rubber ring 103 is in contact with the outer wall of the adapter rod 101; the outer sealing ring 1034 and the water-stopping rubber ring 103 are used for preventing high-pressure water from leaking from the joint of the water-stopping sleeve 102 and the main body 100 and the joint of the water-stopping sleeve 102 and the adapter rod 101, and simultaneously ensuring that the relative rotation of the adapter rod 101 and the main body 100 is not influenced; the water stopping rubber ring 103 comprises a rubber seat 1031 embedded in the assembly cavity 1021, an inner sealing ring 1032 is embedded between the rubber seat 1031 and the peripheral wall of the assembly cavity 1021, and the inner surface of the rubber seat 1031 is sleeved on the adapter rod 101; a retaining ring 105 is mounted on the water stop 102 near the end of the water receiving cavity 113, the retaining ring 105 being retained within the body 100 by a retaining spring 106 mounted within the body 100. In order to fully seal water and prevent leakage, the water-sealing sleeve 102, the outer sealing ring 1034 and the water-sealing rubber ring 103 are combined into at least two groups, and are sequentially and tightly attached to each other along the axial direction of the adapter rod 101. And the two ends of the main body 100 are respectively provided with an assembling seat 107 in a detachable way through a plurality of first bolts 108, and each assembling seat 107 is respectively abutted against the end surface of the corresponding water stop sleeve 102, so that the assembling seats 107 are matched with the corresponding snap springs 106, and the fixing of the axial position of the water stop unit and the adapter rod 101 is realized.
As a preferred embodiment of the present invention, as shown in fig. 1 and fig. 2, a protrusion extending into the end of the corresponding end of the main body 100 is formed at one end of the mounting seat 107 close to the water containing cavity 113, and the protrusion is pressed against the water stop sleeve 102; a cavity is formed at the other end of the assembling seat 107, a bearing 109 is assembled in the cavity, the bearing 109 is assembled on the adapter rod 101, an end cover 110 is detachably connected to one end of each assembling seat 107 far away from the main body 100 through a plurality of second bolts 112, the end cover 110 is used for pressing the corresponding bearing 109 on the assembling seat 107, and an end sealing ring 111 with an X-shaped section is embedded at the joint of the end cover 110 and the adapter rod 101.
As a preferred embodiment of the present invention, as shown in fig. 4, the water passing channel 116 is formed by extending a drill rod connection end from the position of the connection rod 101 located in the water containing cavity 113 along the axial direction of the connection rod 101, a plurality of communication holes are formed on the circumferential surface of the connection rod 101 and located in the water containing cavity 113, and each communication hole is respectively communicated with the water passing channel 116 and the water containing cavity 113. The number of the communication holes and the length and the caliber of the water passage 116 are selected, and the design is carried out according to the torque resistance of the adapter rod 101, so that the strength of the adapter rod 101 is improved, and the deformation or twist-off accidents under the condition of large torque are avoided.
As a preferred embodiment of the present invention, as shown in fig. 2 and 3, the main body 100 is provided with a connector 115, the connector 115 is communicated with the water containing cavity 113, and the water inlet pipe connector 114 is connected with the connector 115 by a screw, and the water inlet pipe connector 114 is used for being connected with an outlet of a high pressure water pump, so as to provide high pressure cutting water for the present embodiment.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the protection of the claims of the present invention.
Claims (9)
1. The utility model provides a coal seam water conservancy is just with high pressure water which characterized in that: the drilling machine comprises a switching rod which is rotatably assembled in a main body, a drilling machine switching end of the switching rod and a drilling rod switching end of the switching rod respectively extend out of the main body, the switching rod is provided with a water passing channel communicated with a water containing cavity in the main body, a water inlet pipe joint communicated with the water containing cavity is detachably connected to the main body, and the drilling machine switching end and the drilling rod connecting end of the switching rod are respectively connected with the drilling machine and a hollow drilling rod.
2. The high-pressure water closet for hydraulic cutting of coal seams as claimed in claim 1, wherein: a water stopping unit is assembled between the adapter rod and the main body, and the water containing cavity is formed between the two water stopping units.
3. The high-pressure water closet for hydraulic cutting of coal seams as claimed in claim 2, wherein: the two ends of the main body are respectively detachably provided with an assembling seat, and each assembling seat is respectively abutted against the corresponding water stopping unit.
4. The high-pressure water closet for hydraulic cutting of coal seams as claimed in claim 3, wherein: and bearings are respectively assembled on the assembling seats, the bearings are sleeved on the adapter rod, and one end of each assembling seat, which is far away from the main body, is detachably connected with an end cover which compresses the bearings on the assembling seats.
5. The high-pressure water closet for hydraulic cutting of coal seams as claimed in claim 4, wherein: and an end sealing ring with an X-shaped section is embedded at the joint of the end cover and the switching rod.
6. The high-pressure water closet for hydraulic cutting of coal seams as claimed in claim 2, wherein: the water stopping unit comprises a water stopping sleeve sleeved on the switching rod and abutted to the inner wall of the main body through the outer wall, an outer sealing ring is sleeved on the outer wall of the water stopping sleeve, an assembling cavity is formed in one end face, close to the water containing cavity, of the water stopping sleeve, the water stopping rubber ring is installed in the assembling cavity, the inner wall of the water stopping rubber ring is in contact with the outer wall of the switching rod, a check ring is installed at one end, close to the water containing cavity, of the water stopping sleeve, and the check ring is limited in the main body through a clamp spring installed in the main.
7. The high-pressure water closet for hydraulic cutting of coal seams as claimed in claim 6, wherein: the combination of the water stop sleeve, the outer sealing ring and the water stop rubber ring is at least two groups, and the water stop sleeve, the outer sealing ring and the water stop rubber ring are sequentially and tightly attached along the axial direction of the adapter rod.
8. The high-pressure water closet for hydraulic cutting of coal seams as claimed in claim 1, wherein: the water passing channel extends out of the drill rod switching end along the axial direction of the switching rod from the position of the switching rod in the water containing cavity.
9. The high-pressure water closet for hydraulic cutting of coal seams as claimed in claim 1, wherein: a plurality of communicating holes are formed in the circumferential surface of the adapter rod and are positioned in the water containing cavity, and each communicating hole is respectively communicated with the water passing channel and the water containing cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022260129.XU CN213205645U (en) | 2020-10-12 | 2020-10-12 | High-pressure water closet for coal seam hydraulic cutting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022260129.XU CN213205645U (en) | 2020-10-12 | 2020-10-12 | High-pressure water closet for coal seam hydraulic cutting |
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| Publication Number | Publication Date |
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| CN213205645U true CN213205645U (en) | 2021-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022260129.XU Active CN213205645U (en) | 2020-10-12 | 2020-10-12 | High-pressure water closet for coal seam hydraulic cutting |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115874913B (en) * | 2023-01-09 | 2023-12-26 | 江苏中震煤华智能装备有限公司 | Directional hole-enlarging type spiral drilling machine for coal mine |
-
2020
- 2020-10-12 CN CN202022260129.XU patent/CN213205645U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115874913B (en) * | 2023-01-09 | 2023-12-26 | 江苏中震煤华智能装备有限公司 | Directional hole-enlarging type spiral drilling machine for coal mine |
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