CN109519139B - Prevent drill way safety seal device of water under high pressure - Google Patents
Prevent drill way safety seal device of water under high pressure Download PDFInfo
- Publication number
- CN109519139B CN109519139B CN201811277711.8A CN201811277711A CN109519139B CN 109519139 B CN109519139 B CN 109519139B CN 201811277711 A CN201811277711 A CN 201811277711A CN 109519139 B CN109519139 B CN 109519139B
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- Prior art keywords
- rotary sleeve
- cylinder body
- end cover
- hole
- high pressure
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 238000007789 sealing Methods 0.000 claims abstract description 20
- 238000005553 drilling Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 230000002265 prevention Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention discloses a high-pressure water prevention orifice safety sealing device, wherein a rotary sleeve (6) is rotatably arranged in an inner cylinder body (2) through a bearing (5), a pressing block (7) with a hole in the middle and a mounting plate (8) are respectively and fixedly arranged at the top and the bottom of the rotary sleeve (6), a plurality of chutes (9) communicated with the rotary sleeve (6) are formed in the rotary sleeve (6) along the axial direction of the rotary sleeve, the chutes (9) and the axis of the rotary sleeve (6) form an included angle, sliding blocks (10) matched with the chutes are slidably arranged in the chutes (9), clamping blocks (11) positioned in the rotary sleeve (6) are fixedly arranged on the sliding blocks (10), and arc-shaped grooves (12) matched with drill rods are formed in the end faces of the clamping blocks (11). The invention has the beneficial effects that: compact structure, safe and reliable, effective shutoff drilling in-process meet high pressure water, easy operation, can take out the drilling rod at any time.
Description
Technical Field
The invention relates to the technical field of orifice safety protection structures, in particular to an orifice safety sealing device for preventing high-pressure water.
Background
In the deep hole drilling construction operation, a drill rod continuously rotates at a high speed and feeds downwards to drill a stratum, the deeper the drill rod is put into the stratum, the larger the water inflow amount is, the water pressure and the water amount of water flowing out of a hole and the water outlet time cannot be predicted, if the water inflow amount in the hole suddenly increases, the water pressure entering the hole is rapidly increased, the water pressure is applied to the upward axial force of the drill rod, the drill rod is lifted, and the serious safety accident is caused. Because a large amount of water gushes from the orifices, when the water gushing amount exceeds the displacement of a working surface or a pump room, a construction surface and construction equipment are submerged, and serious economic loss is caused.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the high-pressure water-proof orifice safety closing device which has a compact structure, is safe and reliable, effectively blocks high-pressure water in the drilling process, is simple to operate and can take out a drill rod at any time.
The purpose of the invention is realized by the following technical scheme: a orifice safety closing device for preventing high-pressure water comprises an outer barrel and an inner barrel, wherein an upper end cover and a lower end cover with a hole in the middle are fixedly arranged at the upper end and the lower end of the outer barrel respectively, the inner barrel is arranged in the outer barrel and is abutted between the upper end cover and the lower end cover, a rotating sleeve is rotatably arranged in the inner barrel through a bearing, a pressing block and a mounting plate with a hole in the middle are fixedly arranged at the top and the bottom of the rotating sleeve respectively, a plurality of chutes communicated with the rotating sleeve are arranged in the rotating sleeve along the axial direction of the rotating sleeve, an included angle is formed between each chute and the axis of the rotating sleeve, sliding blocks matched with the chutes are arranged in the chutes in a sliding manner, clamping blocks positioned in the rotating sleeve are fixedly arranged on the sliding blocks, arc grooves matched with drill rods are arranged on the end faces of the clamping blocks, anti-skid patterns are arranged on the surfaces of the arc grooves, inclined holes are also arranged in the clamping blocks, a plurality of, the guide rod and the inclined hole are arranged in parallel to the inclined groove, the upper end portion of the guide rod extends into the inclined hole, the guide rod is sleeved with a spring, one end of the spring is fixed to the top of the mounting plate, and the other end of the spring is fixed to the bottom of the holding block.
The cross section of the chute is T-shaped.
And a plurality of guide holes are formed in the end face of the pressing block along the circumferential direction of the pressing block.
The device still includes gets drilling rod device, get drilling rod device and include hinge seat, connecting rod, pull rod, foraminiferous top board in middle part and holding down plate, the holding down plate supports on the plane that all hold tight piece top surfaces enclose, and the top board is located the downthehole of upper end cover, and the bottom of top board has set firmly many pull rods corresponding with the guiding hole along its circumferencial direction, and the pull rod runs through the guiding hole downwards and sets firmly on the holding down plate, the hinge seat sets firmly on the outer wall of outer barrel, and the one end of connecting rod articulates on the hinge seat through the round pin axle, and the bottom of connecting rod sets firmly the pressure head that is located directly over the top board.
The connecting sleeve is fixedly arranged in the hole of the lower end cover, and the bypass pipe is arranged at the upper end part of the connecting sleeve.
An upper flange and a lower flange are fixedly arranged on the cylindrical surface of the outer cylinder body and positioned at the upper end and the lower end of the outer cylinder body respectively, the upper end cover is fixedly connected with the upper flange through screws, and the lower end cover is fixedly connected with the lower flange through screws.
And a sealing element positioned below the inner cylinder is arranged in the outer cylinder and is pressed between the lower end cover and the inner cylinder, and a hole communicated with the rotary sleeve is formed in the sealing element.
The invention has the following advantages: the invention has compact structure, safety and reliability, effectively blocks the drilling process and meets high-pressure water, has simple operation and can take out the drill rod at any time.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front cross-sectional view of the present invention;
FIG. 3 is a partial enlarged view of portion I of FIG. 2;
FIG. 4 is a schematic view of the installation of the rotating sleeve, the pressing block and the mounting plate;
FIG. 5 is a bottom view of FIG. 4;
FIG. 6 is a schematic structural view of the rotary sleeve;
FIG. 7 is a schematic structural view of the hugging block;
FIG. 8 is a schematic view of the installation of the upper and lower press plates and the press block;
in the figure, 1-outer cylinder, 2-inner cylinder, 3-upper end cover, 4-lower end cover, 5-bearing, 6-rotary sleeve, 7-pressing block, 8-mounting plate, 9-chute, 10-sliding block, 11-clamping block, 12-arc-shaped groove, 13-inclined hole, 14-guide rod, 15-spring, 16-guide hole, 17-hinge seat, 18-connecting rod, 19-pull rod, 20-upper pressing plate, 21-lower pressing plate, 22-pressing head, 23-connecting sleeve, 24-bypass pipe, 25-screw, 26-sealing element and 27-drill rod.
Detailed Description
The invention will be further described with reference to the accompanying drawings, without limiting the scope of the invention to the following:
as shown in fig. 1 to 8, a high pressure water resistant orifice safety sealing device includes an outer cylinder 1 and an inner cylinder 2, wherein the upper and lower ends of the outer cylinder 1 are respectively and fixedly provided with an upper end cap 3 and a lower end cap 4, the upper and lower ends of the outer cylinder 1 are respectively and fixedly provided with an upper flange and a lower flange, the upper end cap 3 is fixedly connected with the upper flange through a screw 25, and the lower end cap 4 is fixedly connected with the lower flange through a screw 25. The inner cylinder 2 is arranged in the outer cylinder 1 and is pressed between the upper end cover 3 and the lower end cover 4.
The inner cylinder body 2 is internally and rotatably provided with a rotary sleeve 6 through a bearing 5, the top and the bottom of the rotary sleeve 6 are respectively and fixedly provided with a pressing block 7 with a hole at the middle part and a mounting plate 8, the end surface of the pressing block 7 is provided with a plurality of guide holes 16 along the circumferential direction, the rotary sleeve 6 is internally and axially provided with a plurality of chutes 9 communicated with the rotary sleeve 6, the cross section of each chute 9 is T-shaped, each chute 9 and the axis of the rotary sleeve 6 are arranged in an included angle, a slide block 10 matched with the chute 9 is slidably mounted in each chute 9, each slide block 10 is fixedly provided with a holding block 11 positioned in the rotary sleeve 6, the end surface of each holding block 11 is provided with an arc-shaped groove 12 matched with a drill rod, the surface of each arc-shaped groove 12 is provided with anti-slip patterns, each chute 13 is further arranged in each holding block 11, the top surface of the mounting plate 8 is provided with a plurality of guide rods 14 corresponding, the guide rod 14 and the inclined hole 13 are both arranged in parallel to the inclined groove 9, the upper end portion of the guide rod 14 extends into the inclined hole 13, the guide rod 14 is sleeved with a spring 15, one end of the spring 15 is fixed to the top of the mounting plate 8, and the other end of the spring 15 is fixed to the bottom of the holding block 11.
The device also comprises a drill rod taking device, wherein the drill rod taking device comprises a hinge seat 17, a connecting rod 18, a pull rod 19, an upper pressure plate 20 with a hole in the middle and a lower pressure plate 21, the lower pressure plate 21 is supported on a plane defined by the top surfaces of all the clasping blocks 11, the upper pressure plate 20 is positioned in the hole of the upper end cover 3, the bottom of the upper pressure plate 20 is fixedly provided with a plurality of pull rods 19 corresponding to the guide holes 16 along the circumferential direction, the pull rods 19 downwards penetrate through the guide holes 16 and are fixedly arranged on the lower pressure plate 21, the hinge seat 17 is fixedly arranged on the outer wall of the outer barrel 1, one end of the connecting rod 18 is hinged on the hinge seat 17 through a pin shaft, and the bottom of the connecting rod 18 is fixedly provided with a pressure head 22 positioned.
A connecting sleeve 23 is fixedly arranged in the hole of the lower end cover 4, a bypass pipe 24 is arranged at the upper end part of the connecting sleeve 23, and the bypass pipe 24 has the functions of slag discharging and water discharging.
Be provided with the sealing member 26 that is located barrel 2 below in the outer barrel 1, sealing member 26 supports and presses between lower end cover 4 and interior barrel 2, set up the hole of intercommunication swivel mount 6 in the sealing member 26, after the clearance appears in sealing member 26 and the wearing and tearing of drilling rod 27, only need screw up the screw 25 between flange and the upper end cover 3, barrel 2 in the upper end cover 3 pushes down, interior barrel 2 presses to sealing member 26 again, radial deformation takes place for sealing member 26, thereby the clearance that the compensation appears, consequently need not frequently to change the sealing member after the sealing member damages, and the maintenance cost is reduced.
The working process of the invention is as follows:
s1, installing the orifice pipe in the orifice; connecting the connecting sleeve 23 with the orifice pipe in a threaded or flange manner to fix the sealing device;
s2, installation of the drill rod: the lower end part of the drill rod is sequentially connected with a check valve and a drill bit; the worker presses the connecting rod 18 downwards, the connecting rod 18 rotates downwards around the hinge seat 17, the pressing head 22 moves the upper pressing plate 20 downwards, the acting force is transmitted to the lower pressing plate 21 through the pull rod 19, the lower pressing plate 21 presses all the holding blocks 11 downwards, the holding blocks 11 move downwards along the inclined grooves 9 along with the sliding blocks 10, the holding blocks 11 compress the springs 15, after the drill rod 27 is compressed for a certain distance, a worker penetrates the hole of the upper pressure plate 20, the hole of the pressing block 7, the hole of the lower pressure plate 21, the area surrounded by all the clasping blocks 11, the hole of the mounting plate 8 and the hole of the sealing element 26 from top to bottom, the worker pulls the connecting rod 18 upwards after the drill rod 27 is lowered, the connecting rod 18 rotates upwards around the hinge seat 17, the pressure head 22 is separated from the upper pressure plate 20, at the moment, the clasping blocks 11 move upwards along the inclined grooves 9 under the restoring force of the springs 15, and all the arc-shaped grooves 12 of all the clasping blocks 11 are clasped outside the drill rod 27, so that the installation of the drill rod is realized; when the drill rod 27 drills downwards at a high speed, the drill rod 27 drives the rotary sleeve 6 to do rotary motion in the inner cylinder 2, the check valve prevents water from entering the drill rod, gushing water is prevented from flowing out of the top of the drill rod, the gushing water is prevented from submerging a construction surface and construction equipment, and normal construction is guaranteed;
s3, in the drilling process of the drill rod 27, if high-pressure large-discharge water gushes in the stratum, the gushing water enters the drill rod 27 and exerts upward axial force on the drill rod 27, after the drill rod 27 is lifted up, the holding blocks 11 move upwards along the inclined grooves 9, the diameter of the area surrounded by all the holding blocks 11 is gradually reduced, the holding blocks 11 clamp the drill rod 27 more tightly, and therefore potential safety hazards caused by the fact that the drill rod exits from the hole opening under high pressure are effectively avoided, and therefore the safety sealing device has the advantages of being safe and reliable.
Claims (7)
1. The utility model provides a prevent orifice of high pressure water safety seal device, it includes outer barrel (1) and interior barrel (2), the upper and lower tip of outer barrel (1) sets firmly foraminiferous upper end cover (3) in middle part and lower end cover (4) respectively, its characterized in that: the inner cylinder body (2) is arranged in the outer cylinder body (1) and is abutted between the upper end cover (3) and the lower end cover (4), a rotary sleeve (6) is rotatably arranged in the inner cylinder body (2) through a bearing (5), a pressing block (7) with a hole in the middle and a mounting plate (8) are fixedly arranged at the top and the bottom of the rotary sleeve (6) respectively, a plurality of chutes (9) communicated with the rotary sleeve (6) are formed in the rotary sleeve (6) along the axial direction of the rotary sleeve, the chutes (9) and the axis of the rotary sleeve (6) form an included angle, a sliding block (10) matched with the chutes (9) is arranged in the chutes (9) in a sliding manner, an embracing block (11) positioned in the rotary sleeve (6) is fixedly arranged on the sliding block (10), an arc-shaped groove (12) matched with a drill rod is formed on the end face of the embracing block (11), antiskid patterns are formed on the surface of the arc-shaped groove (12), inclined holes (, set firmly many and embrace guide bar (14) that tightly piece (11) is corresponding along its circumferencial direction on the top surface of mounting panel (8) and be located swivel mount (6), guide bar (14) and inclined hole (13) all are on a parallel with chute (9) setting, the upper end of guide bar (14) stretches into in inclined hole (13), the cover has spring (15) on guide bar (14), the one end of spring (15) is fixed in mounting panel (8) top, the other end is fixed in and embraces the bottom of tightly piece (11).
2. An orifice safety closure device against high pressure water according to claim 1, characterized in that: the cross section of the chute (9) is T-shaped.
3. An orifice safety closure device against high pressure water according to claim 1, characterized in that: a plurality of guide holes (16) are formed in the end face of the pressing block (7) along the circumferential direction of the pressing block.
4. An orifice safety closure device against high pressure water according to claim 1, characterized in that: the device also comprises a drill rod taking device, wherein the drill rod taking device comprises a hinge seat (17), a connecting rod (18), a pull rod (19), an upper pressure plate (20) with a hole in the middle and a lower pressure plate (21), the lower pressure plate (21) is supported on a plane surrounded by the top surfaces of all the clasping blocks (11), the upper pressure plate (20) is positioned in the hole of the upper end cover (3), the bottom of the upper pressure plate (20) is fixedly provided with a plurality of pull rods (19) corresponding to the guide holes (16) along the circumferential direction of the upper pressure plate, the pull rods (19) downwards penetrate through the guide holes (16) and are fixedly arranged on the lower pressure plate (21), the hinge seat (17) is fixedly arranged on the outer wall of the outer cylinder body (1), one end of the connecting rod (18) is hinged to the hinge seat (17) through a pin shaft, and the bottom of the connecting rod (18) is fixedly provided with a pressure head (22) positioned.
5. An orifice safety closure device against high pressure water according to claim 1, characterized in that: a connecting sleeve (23) is fixedly arranged in the hole of the lower end cover (4), and a bypass pipe (24) is arranged at the upper end part of the connecting sleeve (23).
6. An orifice safety closure device against high pressure water according to claim 1, characterized in that: an upper flange and a lower flange are fixedly arranged on the cylindrical surface of the outer cylinder body (1) and positioned at the upper end and the lower end of the outer cylinder body respectively, the upper end cover (3) is fixedly connected with the upper flange through a screw (25), and the lower end cover (4) is fixedly connected with the lower flange through a screw (25).
7. An orifice safety closure device against high pressure water according to claim 1, characterized in that: and a sealing element (26) positioned below the inner cylinder body (2) is arranged in the outer cylinder body (1), the sealing element (26) is pressed between the lower end cover (4) and the inner cylinder body (2), and a hole communicated with the rotating sleeve (6) is formed in the sealing element (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811277711.8A CN109519139B (en) | 2018-10-30 | 2018-10-30 | Prevent drill way safety seal device of water under high pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811277711.8A CN109519139B (en) | 2018-10-30 | 2018-10-30 | Prevent drill way safety seal device of water under high pressure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109519139A CN109519139A (en) | 2019-03-26 |
| CN109519139B true CN109519139B (en) | 2020-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811277711.8A Active CN109519139B (en) | 2018-10-30 | 2018-10-30 | Prevent drill way safety seal device of water under high pressure |
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| Country | Link |
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| CN (1) | CN109519139B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113775312A (en) * | 2021-10-27 | 2021-12-10 | 四川艾文思创能源科技有限公司 | Rotary load-bearing flashboard |
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| CN201962681U (en) * | 2011-02-11 | 2011-09-07 | 重庆探矿机械厂 | Rotary orifice sealer |
| CN202031522U (en) * | 2011-01-28 | 2011-11-09 | 四川内江宏生石油机械有限公司 | Multipurpose small-sized rotary blowout preventer |
| CN202117058U (en) * | 2011-03-12 | 2012-01-18 | 常开红 | Rotary circulative high-pressure grouting hole sealer |
| CN202401465U (en) * | 2012-01-05 | 2012-08-29 | 湖北中南勘察基础工程有限公司 | High-pressure grouting hole sealing device |
| CN202850924U (en) * | 2012-09-06 | 2013-04-03 | 沈阳北方重矿机械有限公司 | Bailing well wellhead sealing device |
| CN103032043A (en) * | 2012-11-22 | 2013-04-10 | 中国水电顾问集团中南勘测设计研究院 | Special hydraulic orifice sealer by orifice sealed grouting method |
| CN105114024A (en) * | 2015-09-06 | 2015-12-02 | 阜宁县石油机械有限公司 | Hydraulic-drive rotating type drill tool ejection preventer |
| CN106050182A (en) * | 2016-06-27 | 2016-10-26 | 阜宁县石油机械有限公司 | Enhanced synchronous rotation blowout preventer |
| CN106978985A (en) * | 2017-05-10 | 2017-07-25 | 中铁工程装备集团有限公司 | A kind of anti-swelling device of rig |
| RU181499U1 (en) * | 2017-10-27 | 2018-07-17 | Сергей Олегович Киреев | Rotary annular preventer with piston braking device |
-
2018
- 2018-10-30 CN CN201811277711.8A patent/CN109519139B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202031522U (en) * | 2011-01-28 | 2011-11-09 | 四川内江宏生石油机械有限公司 | Multipurpose small-sized rotary blowout preventer |
| CN201962681U (en) * | 2011-02-11 | 2011-09-07 | 重庆探矿机械厂 | Rotary orifice sealer |
| CN202117058U (en) * | 2011-03-12 | 2012-01-18 | 常开红 | Rotary circulative high-pressure grouting hole sealer |
| CN202401465U (en) * | 2012-01-05 | 2012-08-29 | 湖北中南勘察基础工程有限公司 | High-pressure grouting hole sealing device |
| CN202850924U (en) * | 2012-09-06 | 2013-04-03 | 沈阳北方重矿机械有限公司 | Bailing well wellhead sealing device |
| CN103032043A (en) * | 2012-11-22 | 2013-04-10 | 中国水电顾问集团中南勘测设计研究院 | Special hydraulic orifice sealer by orifice sealed grouting method |
| CN105114024A (en) * | 2015-09-06 | 2015-12-02 | 阜宁县石油机械有限公司 | Hydraulic-drive rotating type drill tool ejection preventer |
| CN106050182A (en) * | 2016-06-27 | 2016-10-26 | 阜宁县石油机械有限公司 | Enhanced synchronous rotation blowout preventer |
| CN106978985A (en) * | 2017-05-10 | 2017-07-25 | 中铁工程装备集团有限公司 | A kind of anti-swelling device of rig |
| RU181499U1 (en) * | 2017-10-27 | 2018-07-17 | Сергей Олегович Киреев | Rotary annular preventer with piston braking device |
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| CN109519139A (en) | 2019-03-26 |
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