CN103498638A - Underwater top driving device for deep-layer continuous coring - Google Patents
Underwater top driving device for deep-layer continuous coring Download PDFInfo
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- CN103498638A CN103498638A CN201310413796.9A CN201310413796A CN103498638A CN 103498638 A CN103498638 A CN 103498638A CN 201310413796 A CN201310413796 A CN 201310413796A CN 103498638 A CN103498638 A CN 103498638A
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- driving device
- top driving
- cylindrical tube
- reducer
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Abstract
The invention discloses an underwater top driving device for deep-layer continuous coring. The underwater top driving device for deep-layer continuous coring comprises a speed reducer. A left traveling block and a right traveling block are arranged at the two sides of the speed reducer respectively, the left traveling block is connected with a left lifting mechanism, and the right traveling block is connected with a right lifting mechanism. A center pipe assembly penetrates through the speed reducer, the center pipe assembly comprises a guide horn arranged at the upper end and a cylindrical pipe arranged on the lower portion, the circumference of the lower section of the cylindrical pipe is sleeved with a back-up wrench assembly, the circumference of the cylindrical pipe is sleeved with a big gear, the big gear is connected with two pinions in a meshed transmission mode simultaneously, and the two pinions are respectively connected with a main motor in a transmission mode through a coupler. According to the underwater top driving device for deep-layer continuous coring, remote control can be achieved so that the underwater top driving drilling device can be used in cooperation with a deep-sea sediment drilling coring seabed drilling machine.
Description
Technical field
The invention belongs to mechanical equipment technical field, relate to a kind of top driving device under water for the deep layer continous sampling.
Background technology
Many important seabed resources are to be imbedded under deposit, and boring coring is one of important means of oceanic geotechnical investigation.Top driving device is one of nucleus equipment of the special-purpose seabed of whole deposit boring coring rig under water, is described as the heart of rig under water, usually is arranged in the drilling derrick main body of seabed.When continuous boring coring operation, for driving the drilling tool rotary drilling, and realize the shackle action exchanging for, in continued access, dismounting drilling tool process, and guiding is supported sampling instrument and is carried out the functions such as coring.
At present, the deposit seabed rig of domestic and international application is all in sea-floor surficial sampling, can only realize once entering extra large monotubular and get core, sample length is more shallow, the operation of the sedimental continuous multi-stage boring coring of seabed deep layer can not be adapted to fully on function and structure, deep layer deposit continuous multi-stage boring coring job requirements can not be met.
Summary of the invention
The purpose of this invention is to provide a kind of top driving device under water for the deep layer continous sampling, once entering extra large monotubular gets core, the problem that sample length is more shallow to have solved can only realizing of existing in the prior art.
The technical solution adopted in the present invention is, a kind of top driving device under water for the deep layer continous sampling, comprise reducer, and the both sides of reducer are respectively arranged with left travelling block and right travelling block, left travelling block is connected with left elevating mechanism, and right travelling block is connected with right elevating mechanism; Be installed with the central tube assembly in reducer, the central tube assembly comprises the guiding loudspeaker of upper end and the cylindrical tube of bottom, the hypomere circumference of cylindrical tube is set with the back-up tong assembly, the circumference of cylindrical tube is set with gear wheel, gear wheel is connected by meshing transmission with two pinions respectively simultaneously, and two pinions are connected with a main motor driven by a shaft coupling respectively.
Top driving device under water for the deep layer continous sampling of the present invention, its characteristics also are:
The upper cover of reducer is provided with pressure equaliser.
Left elevating mechanism is consistent with right elevating mechanism structure, includes a support be connected with the reducer main body, is installed with a lift motor on support, and lift motor is connected with gear drive; The vertical parallel two groups of tooth bars that are installed with on derrick, every group of tooth bar is connected with a gear drive, is provided with in addition the roller assembly on support.
Be disposed with inner spline housing, main hollow spindle between cylindrical tube and gear wheel and drive key, wherein gear wheel is by driving key and main hollow spindle to form transmission, cylindrical tube epimere excircle is provided with external splines, main hollow spindle inner periphery edge is inserted with inner spline housing, and the external splines of cylindrical tube and inner spline housing form spline pair.
The invention has the beneficial effects as follows, the hydraulic low-speed high pulling torque that topology layout is reasonable, transmission efficiency is high, reliable in function, quality light and can realize above-mentioned multi-functional is top driving device under water, specifically comprise following aspect: 1) in the marine drilling operation, this device has overcome super deep water, ultra-high voltage environment, has effectively realized the good operation of submersible drives.
2) this apparatus main body topology layout is reasonable, and cost-effective science power division especially utilizes top drive self power and coordinate the back-up tong assembly, has realized connection and the dismounting of drilling tool and central tube.
3) the oscilaltion campaign of this device, mediate the accurate lifting position of realizing underwater units by wheel and rack, realize fast, steadily rise and descend, and improved operational efficiency.
4) the central tube assembly of this device is the floating construction that spline pair connects, this floating construction can meet dismounting be connected the spinner process, can compensate the circumferential displacement of central tube.
The accompanying drawing explanation
Fig. 1 is the structural representation of apparatus of the present invention;
Fig. 2 is the A line of vision structural representation in Fig. 1;
Fig. 3 is the transmission principle schematic diagram of apparatus of the present invention;
Fig. 4 is the structural representation of the central tube assembly 4 in the inventive method.
In figure, 1. left elevating mechanism, 2. left travelling block, 3. main motor, 4. central tube assembly, 5. pressure equaliser, 6. reducer upper cover, 7. reducer, 8. right travelling block, 9. right elevating mechanism, 10. back-up tong assembly, 11. roller assemblies, 12. gear, 13. lift motors, 14. supports, 15. guiding loudspeaker, 16. cylindrical tube, 17. inner spline housings, 18. main hollow spindles, 19. gear wheels, 20. the driving key, 21. pinions, 22. derricks, 23. tooth bars.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
With reference to Fig. 1, Fig. 2, Fig. 3, the structure of apparatus of the present invention is, comprises reducer 7, and the both sides of reducer 7 are respectively arranged with left travelling block 2 and right travelling block 8, and left travelling block 2 is connected with left elevating mechanism 1, and right travelling block 8 is connected with right elevating mechanism 9;
Left elevating mechanism 1 is consistent with right elevating mechanism 9 structures, include a support 14 be connected with reducer 7 main bodys, be installed with a lift motor 13 on support 14, lift motor 13 is in transmission connection with gear 12, the vertical parallel two groups of tooth bars 23 that are installed with on derrick 22, every group of tooth bar 23 and a gear 12 are in transmission connection, and are provided with in addition roller assembly 11 on support 14, for the supporting and location between left elevating mechanism 1 and right elevating mechanism 9 and derrick 22;
The upper cover 6 of reducer 7 is provided with pressure equaliser 5(pressure-equalizing device), be installed with central tube assembly 4 in reducer 7, central tube assembly 4 comprises the guiding loudspeaker 15 of upper end and the cylindrical tube 16 of bottom, the hypomere circumference of cylindrical tube 16 is set with back-up tong assembly 10, the circumference of cylindrical tube 16 is set with gear wheel 19, gear wheel 19 is connected by meshing transmission with two pinions 21 respectively simultaneously, and two pinions 21 are in transmission connection by a shaft coupling and a main motor 3 respectively;
A upper shackle clamp of reducer 7 bottom surfaces that back-up tong assembly 10 drives for top, it utilizes four-bar mechanism principle, by oneself the folding of hydraulic jack, realizes clamping and the folding with tool joint.
With reference to Fig. 4, central tube assembly 4 is the active force output shaft that drive on top under water, and guiding loudspeaker 15 play guide effect for correct transferring of sampling instrument of guiding.Be disposed with inner spline housing 17, main hollow spindle 18 and drive key 20 between cylindrical tube 16 and gear wheel 19, wherein gear wheel 19 is by driving key 20 and main hollow spindle 18 to form transmission, cylindrical tube 16 epimere excircles are provided with external splines, main hollow spindle 18 inner periphery edges are inserted with inner spline housing 17, the external splines of cylindrical tube 16 and inner spline housing 17 form spline pair, can realize the smooth transfer of moment of torsion; Cylindrical tube 16 can be along main hollow spindle 18 inner chambers lower slider vertically.
In running, the main motor 3 of both sides drives pinion 21 by shaft coupling respectively and rotates, by gear pair, jointly drive gear wheel 19 to rotate again, rotate thereby drive whole central tube assembly 4 by spline pair, thereby realize the drilling tool continuous rotation that its lower end connects.
In the rotary cutting process, wherein 1 main motor 3 operation, rotate to drag central tube assembly 4, thereby drive the drilling tool High Rotation Speed.When the needs low-speed big cuts, two main motors 3 move simultaneously, jointly drag central tube assembly 4 and rotate, thereby drive the rotation of drilling tool low-speed big.
In the oscilaltion process, two lift motors 13 that left and right is arranged are installed fixing tooth bar gear motion by driving on the gear 12 installed on its axle head and derrick vertical direction, to realize that this top drives the oscilaltion campaign of assembly, it rises and descending motion can be by forward and reverse rotation realization of lift motor 13.
When needs connect drilling tool and cylindrical tube 16, the Driven by Hydraulic Cylinder binding clip of back-up tong assembly 10 clamps end joint on drilling tool, now open main motor 3 and move to drive cylindrical tube 16 forward operations, the lower end of cylindrical tube 16 button rotation, thus realized that drilling tool is connected with the good of cylindrical tube 16.When needs dismounting drilling tool and cylindrical tube 16, oppositely implementing said process can complete.
The casing of reducer 7 is that the alloy-steel plate assembly welding forms, upper cover 6 is steel plate machine machine-shaping, upper cover 6 is connected and fixed by bolt and casing, and the pinion shaft assembly that two pinions 21 and axis of rotation thereof form and gear wheel 19 and central tube assembly 4 all are arranged in casing.Two main motor 3 spindle noses down, insert on the corresponding mounting hole of upper cover 6, make it good with being connected of pinion shaft assembly.
Left elevating mechanism 1, the symmetrical installation of right elevating mechanism 9, support 14 is that Plate Welding forms.
Apparatus of the present invention are remote controlled, to meet halmeic deposit boring coring seabed rig, support the use, when continuous boring coring operation, for driving the drilling tool rotary drilling, and realize shackle exchanging for, in continued access, dismounting drilling tool process, and guiding is supported sampling instrument and is carried out coring etc.The present invention and other matching component can be realized efficiently accurately creeping into of seabed drilling tool after forming a system, have improved Drilling Precision and the efficiency on stratum, seabed, meet the requirement of seafari operation fully.
Claims (4)
1. the top driving device under water for the deep layer continous sampling, its characteristics are: comprise reducer (7), the both sides of reducer (7) are respectively arranged with left travelling block (2) and right travelling block (8), left travelling block (2) is connected with left elevating mechanism (1), and right travelling block (8) is connected with right elevating mechanism (9); Be installed with central tube assembly (4) in reducer (7), central tube assembly (4) comprises the guiding loudspeaker (15) of upper end and the cylindrical tube (16) of bottom, the hypomere circumference of cylindrical tube (16) is set with back-up tong assembly (10), the circumference of cylindrical tube (16) is set with gear wheel (19), gear wheel (19) is connected by meshing transmission with two pinions (21) respectively simultaneously, and two pinions (21) are in transmission connection by a shaft coupling and a main motor (3) respectively.
2. the top driving device under water for the deep layer continous sampling according to claim 1, its characteristics are: the upper cover (6) of described reducer (7) is provided with pressure equaliser (5).
3. the top driving device under water for the deep layer continous sampling according to claim 1, its characteristics are: described left elevating mechanism (1) is consistent with right elevating mechanism (9) structure, include a support (14) be connected with reducer (7) main body, be installed with a lift motor (13) on support (14), lift motor (13) is in transmission connection with gear (12); At the upper vertically parallel two groups of tooth bars (23) that are installed with of derrick (22), every group of tooth bar (23) is in transmission connection with a gear (12), is provided with in addition roller assembly (11) on support (14).
4. the top driving device under water for the deep layer continous sampling according to claim 1, its characteristics are: be disposed with inner spline housing (17), main hollow spindle (18) between described cylindrical tube (16) and gear wheel (19) and drive key (20), wherein gear wheel (19) is by driving key (20) and main hollow spindle (18) to form transmission, cylindrical tube (16) epimere excircle is provided with external splines, main hollow spindle (18) inner periphery edge is inserted with inner spline housing (17), and the external splines of cylindrical tube (16) and inner spline housing (17) form spline pair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310413796.9A CN103498638B (en) | 2013-09-11 | 2013-09-11 | A kind of top driving device under water for deep layer continous sampling |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310413796.9A CN103498638B (en) | 2013-09-11 | 2013-09-11 | A kind of top driving device under water for deep layer continous sampling |
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| CN103498638A true CN103498638A (en) | 2014-01-08 |
| CN103498638B CN103498638B (en) | 2015-10-28 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104677670A (en) * | 2015-03-03 | 2015-06-03 | 浙江大学 | Driving device for pressure-maintaining transfer of deep-sea sediment and control method of driving device |
| CN114909088A (en) * | 2022-06-17 | 2022-08-16 | 中国石油大学(北京) | Underwater power device suitable for deepwater open-circuit drilling |
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| CN200940442Y (en) * | 2006-05-17 | 2007-08-29 | 卢明立 | Rotary device of vertical shaft rotary drilling machine |
| US7584796B2 (en) * | 2002-04-30 | 2009-09-08 | Coupler Developments Limited | Drilling rig |
| CN202611581U (en) * | 2012-05-23 | 2012-12-19 | 安徽两淮科力机械制造有限责任公司 | Top-drive drilling machine |
| CN102913162A (en) * | 2012-10-26 | 2013-02-06 | 宝鸡石油机械有限责任公司 | Deep-sea sediment continuous pressure maintaining coring submarine drilling machine and operation method |
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2013
- 2013-09-11 CN CN201310413796.9A patent/CN103498638B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US7584796B2 (en) * | 2002-04-30 | 2009-09-08 | Coupler Developments Limited | Drilling rig |
| CN200940442Y (en) * | 2006-05-17 | 2007-08-29 | 卢明立 | Rotary device of vertical shaft rotary drilling machine |
| CN202611581U (en) * | 2012-05-23 | 2012-12-19 | 安徽两淮科力机械制造有限责任公司 | Top-drive drilling machine |
| CN102913162A (en) * | 2012-10-26 | 2013-02-06 | 宝鸡石油机械有限责任公司 | Deep-sea sediment continuous pressure maintaining coring submarine drilling machine and operation method |
Non-Patent Citations (1)
| Title |
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| 效志辉: "钻机顶驱系统背钳机构的研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104677670A (en) * | 2015-03-03 | 2015-06-03 | 浙江大学 | Driving device for pressure-maintaining transfer of deep-sea sediment and control method of driving device |
| CN104677670B (en) * | 2015-03-03 | 2017-05-17 | 浙江大学 | Driving device for pressure-maintaining transfer of deep-sea sediment and control method of driving device |
| CN114909088A (en) * | 2022-06-17 | 2022-08-16 | 中国石油大学(北京) | Underwater power device suitable for deepwater open-circuit drilling |
| CN114909088B (en) * | 2022-06-17 | 2022-12-30 | 中国石油大学(北京) | Underwater power device suitable for deepwater open-circuit drilling |
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| Publication number | Publication date |
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| CN103498638B (en) | 2015-10-28 |
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Effective date of registration: 20210114 Address after: 721002 No.2 Dongfeng Road, Jintai District, Baoji City, Shaanxi Province Patentee after: Baoji Oilfield Machinery Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC national oil and gas drilling equipment Engineering Technology Research Center Co., Ltd Address before: 721002 No. 2 Dongfeng Road, Shaanxi, Baoji Patentee before: Baoji Oilfield Machinery Co.,Ltd. |
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