CN115492548A - Hydrogeology drilling drill way hydraulic pressure prevents spouting back pressure chucking device - Google Patents
Hydrogeology drilling drill way hydraulic pressure prevents spouting back pressure chucking device Download PDFInfo
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- CN115492548A CN115492548A CN202211393651.2A CN202211393651A CN115492548A CN 115492548 A CN115492548 A CN 115492548A CN 202211393651 A CN202211393651 A CN 202211393651A CN 115492548 A CN115492548 A CN 115492548A
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- pressure
- drilling
- oil cylinder
- connecting disc
- drilling rod
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- 238000005553 drilling Methods 0.000 title claims abstract description 74
- 230000002265 prevention Effects 0.000 claims abstract description 6
- 239000000446 fuel Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 13
- 238000010276 construction Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/06—Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a hydrogeological drilling orifice hydraulic blowout prevention back pressure clamping device which comprises a left clamping oil cylinder, a right clamping oil cylinder, an upper high-pressure connecting disc, a lower high-pressure connecting disc, a high-pressure oil pipe, a left fastener body, a right fastener body and a slip. The device is connected between a high-pressure orifice disc and a high-pressure gate valve before drilling construction, a left oil cylinder and a right oil cylinder are connected to a multi-way reversing valve below a drilling machine operating platform through a three-way oil pipe, during drilling, once water is discharged from a hole, the drilling is stopped quickly, a control handle of a back-pressure clamping device is operated to clamp a drilling rod, a left fastener and a right fastener are operated, secondary protection is performed to prevent the drilling rod from loosening, the drilling rod is operated to be unscrewed, the clamping device and the drilling rod in the hole are kept in the hole, the drilling rod outside the clamping device is lifted out, the high-pressure gate valve is closed, a drainage pipeline is connected, drainage is controlled, and the clamping device is loosened until the drilling rod is completely released.
Description
Technical Field
The invention relates to the technical field of coal mines, in particular to a hydrogeological drilling orifice hydraulic blowout prevention back pressure clamping device.
Background
When hydrogeology drilling is carried out in underground construction of a coal mine, accidents such as casualties, equipment flushing and the like are caused in order to prevent water from flowing out of holes. The orifice must be installed before construction and prevent spouting the back pressure device, but current prevent spouting the back pressure device and have the reaction untimely, and the mode of chucking drilling rod is the mechanical dynamic formula, rotatory fastening bolt through the manpower impels the inside part to extrude inwards, thereby the chucking drilling rod, when the downthehole water that goes out in the twinkling of an eye, this mode can't accomplish to block the drilling rod rapidly, the process of fastening bolt still has the danger of top drilling, and simultaneously, the clamp force is not enough, the moment of torsion of common hydraulic drilling machine is above 3200N.m basically, the power of screwing between drilling rod and the drilling rod is very big in the drilling process, the pressure of manual step-up drilling rod can not match this moment of torsion, can't block the drilling rod, and the action stroke is limited, the commonality is not strong, for this reason, we provide a hydrogeology drilling orifice hydraulic pressure prevent spouting back pressure chucking device.
Disclosure of Invention
The invention aims to provide a hydrogeological drilling orifice hydraulic blowout-prevention back-pressure clamping device which has the advantages of simplicity in installation and seamless butt joint, and solves the problems that the existing blowout-prevention back-pressure device is not timely in reaction, a drilling rod is clamped in a mechanical dynamic mode, internal parts are pressed inwards by manually rotating a fastening bolt, so that the drilling rod is clamped, when water is discharged instantly in a hole, the drilling rod cannot be clamped rapidly in the mode, the process of fastening the bolt still has the danger of top drilling, meanwhile, the clamping force is insufficient, the torque of a common hydraulic drilling machine is basically more than 3200N.m, the screwing force between the drilling rod and the drilling rod is large in the drilling process, the pressure of the manually fastened drilling rod cannot be matched with the torque, the drilling rod cannot be clamped, the action stroke is limited, and the universality is not high.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a hydrogeology drilling drill way hydraulic pressure prevents spouting back pressure chucking device, including controlling the tight hydro-cylinder of clamp, upper and lower high pressure connection pad, high pressure fuel pipe, controlling fastener body and slips, the inboard of controlling the tight hydro-cylinder of clamp is provided with upper and lower high pressure connection pad, the both sides of upper and lower high pressure connection pad bottom are provided with high pressure fuel pipe, control the upper and lower both ends of the tight hydro-cylinder left and right sides of clamp and all be provided with about the fastener body, control the middle-end of pressing from both sides the tight hydro-cylinder left and right sides and be provided with the slips.
Preferably, the surfaces of the upper and lower high-voltage connecting discs are provided with threaded holes, and the inner cavities of the threaded holes are provided with threads.
Preferably, the surfaces of the upper and lower high-voltage connecting discs are provided with fixing screws which are uniformly distributed.
Preferably, the left side and the right side of the upper end and the lower end of the left clamping oil cylinder and the right clamping oil cylinder are both provided with fixing rods, and nuts are arranged on the surfaces of the fixing rods.
Compared with the prior art, the invention has the following beneficial effects:
the device is connected between a high-pressure orifice disc and a high-pressure gate valve before drilling construction, a left oil cylinder and a right oil cylinder are connected to a multi-way reversing valve below a drilling machine operating platform through a three-way oil pipe, during drilling, when water is discharged from a hole, the drilling is stopped quickly, a control handle of a back-pressure clamping device is operated to clamp the drill rod, a left fastener and a right fastener are operated, secondary protection is performed to prevent the drill rod from loosening, the drilling machine is operated to break down the drill rod, the clamping device and the drill rod in the hole are retained in the hole, the drill rod outside the clamping device is lifted out, the high-pressure gate valve is closed, a water discharge pipeline is connected, water discharge is controlled, the clamping device is loosened until the drill rod is completely released, the drill rod is continuously drilled to a final hole or lifted, the installation is simple and easy through the cooperation of the left clamping oil cylinder, the upper high-pressure connecting disc, the high-pressure oil pipe, the left fastener body, the right fastener and a slip, the mechanical arm and the manual tightening bolt can not press inwards, so that when water is discharged from the hole quickly, the tightening bolt can not be tightened, the normal drilling torque can not be matched with normal drilling machine, and the normal drilling torque can not be achieved, and the problem that the drilling machine can not be tightened when the drilling machine can be tightened in the drilling machine can be quickly.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
In the figure: 1. clamping the oil cylinder left and right; 2. an upper high-voltage connecting disc and a lower high-voltage connecting disc; 3. a high pressure oil pipe; 4. left and right fastener bodies; 5. slips.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Please refer to fig. 1, a hydrogeological drilling orifice hydraulic blowout prevention back pressure clamping device comprises a left clamping cylinder 1, a right clamping cylinder 1, an upper high-pressure connecting disc 2, a lower high-pressure connecting disc 3, a left fastening piece body 4, a right fastening piece body 4 and a slip 5, wherein the upper high-pressure connecting disc 2 and the lower high-pressure connecting disc 2 are arranged on the inner sides of the left clamping cylinder 1 and the right clamping cylinder 1, the high-pressure oil pipes 3 are arranged on two sides of the bottom of the upper high-pressure connecting disc 2 and the lower high-pressure connecting disc 2, the left fastening piece body 4 and the right fastening piece body 4 are arranged on the upper end and the lower end of the left clamping cylinder 1, the slip 5 is arranged at the middle ends of the left clamping cylinder 1 and the right clamping cylinder, the reaction is sensitive, the clamping is reliable, threaded holes are formed in the surfaces of the upper high-pressure connecting disc 2 and the lower high-pressure connecting disc 2, fixing screws are arranged on the surfaces, the fixing screws are uniformly distributed, fixing rods are arranged on the left and the right sides of the upper and the left clamping cylinder 1 and the lower ends, and the fixing rods are provided with nuts.
When in use, the device is connected between a high-pressure orifice disc and a high-pressure gate valve before drilling construction, a left oil cylinder and a right oil cylinder are connected on a multi-way reversing valve below a drilling machine operating platform through a three-way oil pipe, during drilling, once water is discharged from a hole, the drilling is stopped rapidly, a control handle of a back-pressure clamping device is operated to clamp a drilling rod, a left fastener and a right fastener are operated, secondary protection is performed to prevent the drilling rod from loosening, the drilling rod is operated to trip out, the clamping device and the drilling rod in the hole are kept in the hole, the drilling rod outside the clamping device is lifted out, the high-pressure gate valve is closed, a water drainage pipeline is connected, water drainage is controlled until the water is completely discharged, the clamping device is loosened, drilling is continued to a final hole or lifting drilling is performed, and the left clamping oil cylinder and the right clamping cylinder 1, the upper high-pressure connecting disc 2, the high-pressure oil pipe 3, a left fastener body 4 and a right fastener body 4 are matched with a slip 5, played the installation simple and easy, the reaction is sensitive, the chucking is reliable, it is untimely to have solved current anti-blowout back pressure device existence reaction, and the mode of chucking drilling rod is the mechanical hand dynamic formula, make the inside part inwards extrude through the rotatory fastening bolt of manpower, thereby the chucking drilling rod, when downthehole when going out water in the twinkling of an eye, this mode can't accomplish to block the drilling rod rapidly, fastening bolt's process still has the danger of top drilling, and simultaneously, the clamp force is not enough, hydraulic drilling machine's moment of torsion is basically more than 3200N.m commonly used, it is very big to creep into the power of screwing between in-process drilling rod and drilling rod, manual pressure that steps up the drilling rod can not match this moment of torsion, can't block the drilling rod, and the action stroke is limited, the not strong problem of commonality.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 (4)
1. The utility model provides a hydrogeology drilling drill way hydraulic pressure prevents spouting back pressure chucking device, presss from both sides tight hydro-cylinder (1), upper and lower high pressure connection pad (2), high pressure fuel pipe (3), controls fastener body (4) and slips (5) its characterized in that about including: the left and right clamping oil cylinder is characterized in that an upper high-pressure connecting disc and a lower high-pressure connecting disc (2) are arranged on the inner side of the left and right clamping oil cylinder (1), high-pressure oil pipes (3) are arranged on two sides of the bottom of the upper high-pressure connecting disc and the lower high-pressure connecting disc, left and right fastening piece bodies (4) are arranged at the upper end and the lower end of the left and right sides of the left and right clamping oil cylinder (1), and slips (5) are arranged at the middle ends of the left and right sides of the left and right clamping oil cylinder (1).
2. The hydrogeological drilling orifice hydraulic blowout prevention back-pressure clamping device according to claim 1, which is characterized in that: threaded holes are formed in the surfaces of the upper high-voltage connecting disc and the lower high-voltage connecting disc (2), and threads are arranged in inner cavities of the threaded holes.
3. The hydrogeological drilling orifice hydraulic blowout prevention back-pressure chucking device according to claim 1, characterized in that: the surfaces of the upper and lower high-voltage connecting discs (2) are provided with fixing screws which are uniformly distributed.
4. The hydrogeological drilling orifice hydraulic blowout prevention back-pressure clamping device according to claim 1, which is characterized in that: the left and right sides at the upper and lower ends of the left and right clamping oil cylinders (1) are provided with fixing rods, and nuts are arranged on the surfaces of the fixing rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211393651.2A CN115492548A (en) | 2022-11-08 | 2022-11-08 | Hydrogeology drilling drill way hydraulic pressure prevents spouting back pressure chucking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211393651.2A CN115492548A (en) | 2022-11-08 | 2022-11-08 | Hydrogeology drilling drill way hydraulic pressure prevents spouting back pressure chucking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115492548A true CN115492548A (en) | 2022-12-20 |
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ID=85116346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211393651.2A Pending CN115492548A (en) | 2022-11-08 | 2022-11-08 | Hydrogeology drilling drill way hydraulic pressure prevents spouting back pressure chucking device |
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|---|---|
| CN (1) | CN115492548A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202520274U (en) * | 2012-01-20 | 2012-11-07 | 杭州祥龙钻探设备有限公司 | Water detection safety anti-blowout device in coal mine |
| CN102817571A (en) * | 2012-09-05 | 2012-12-12 | 东营鸿昇机械设备有限公司 | Blowout-prevention tool string of belt pressure energy storage well repairing machine |
| CN103089172A (en) * | 2013-01-18 | 2013-05-08 | 杭州祥龙钻探设备有限公司 | Drilling system special for coal mine underground tunnel water control |
| CN105507828A (en) * | 2016-01-21 | 2016-04-20 | 赤峰市浩峰钻机有限责任公司 | Roller-type clamp |
| CN213205593U (en) * | 2020-08-28 | 2021-05-14 | 晋城蓝焰煤业股份有限公司 | Manual drilling rod antiskid of wide-angle drilling construction |
| CN114458187A (en) * | 2021-12-31 | 2022-05-10 | 连云港黄海勘探技术有限公司 | Full-hydraulic clamping device for tunnel drilling machine |
-
2022
- 2022-11-08 CN CN202211393651.2A patent/CN115492548A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202520274U (en) * | 2012-01-20 | 2012-11-07 | 杭州祥龙钻探设备有限公司 | Water detection safety anti-blowout device in coal mine |
| CN102817571A (en) * | 2012-09-05 | 2012-12-12 | 东营鸿昇机械设备有限公司 | Blowout-prevention tool string of belt pressure energy storage well repairing machine |
| CN103089172A (en) * | 2013-01-18 | 2013-05-08 | 杭州祥龙钻探设备有限公司 | Drilling system special for coal mine underground tunnel water control |
| CN105507828A (en) * | 2016-01-21 | 2016-04-20 | 赤峰市浩峰钻机有限责任公司 | Roller-type clamp |
| CN213205593U (en) * | 2020-08-28 | 2021-05-14 | 晋城蓝焰煤业股份有限公司 | Manual drilling rod antiskid of wide-angle drilling construction |
| CN114458187A (en) * | 2021-12-31 | 2022-05-10 | 连云港黄海勘探技术有限公司 | Full-hydraulic clamping device for tunnel drilling machine |
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