CN218780319U - Power head driving device for submarine drilling rig - Google Patents
Power head driving device for submarine drilling rig Download PDFInfo
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- CN218780319U CN218780319U CN202223391516.2U CN202223391516U CN218780319U CN 218780319 U CN218780319 U CN 218780319U CN 202223391516 U CN202223391516 U CN 202223391516U CN 218780319 U CN218780319 U CN 218780319U
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Abstract
The utility model discloses a power head driving device for a submarine drilling machine, which relates to the technical field of ocean drilling and comprises a base plate, a supporting frame, a hydraulic driving motor, a rotating shaft, a rotary disc and a clamping component; a shaft sleeve is fixedly arranged on the supporting frame; two bearings are arranged between the rotating shaft and the shaft sleeve, the rotating shaft is in transmission connection with a hydraulic drive motor, and the hydraulic drive motor can drive the rotating shaft to rotate around the axis of the hydraulic drive motor; the rotary disc is fixedly provided with a flange outer screw column which is coaxially arranged with the rotating shaft, and the rotary disc is provided with a through hole corresponding to the flange outer screw column; the clamping assembly is capable of clamping a drill or drill rod extending into the through bore. The utility model provides a unit head drive arrangement for seafloor drilling machine can accomplish the drilling of drilling tool and play and pull out work, can accomplish butt joint and dismantlement work between the drilling rod again, can effectively improve the exploration sample efficiency of seafloor drilling machine.
Description
Technical Field
The utility model relates to an ocean probing technical field especially relates to a unit head drive arrangement for seafloor drilling machine.
Background
At present, a submarine drilling machine becomes indispensable important technical equipment for submarine resource exploration, marine geological survey and marine scientific investigation, and is paid attention and applied to all oceanic strong countries in the world, and a plurality of scientific research achievements are applied to actual marine survey projects, so that considerable economic and social benefits are obtained. The deep sea drilling machine is laid to the sea bottom by a shipborne photoelectric armored composite cable, and a series of work such as drilling sampling, automatic butt joint and disassembly of drilling tools and the like is completed on the sea bottom. The power head driving device used by the existing drilling machine is low in efficiency aiming at the butt joint and disassembly working processes between drill rods when the submarine drilling sampling work is carried out, and a certain error exists due to the fact that a remote control hydraulic system works, so that a series of problems that the drill rods are difficult to butt joint or drilling tools are lost due to the fact that the butt joint is not firm are caused, and the exploration sampling efficiency of the deep sea submarine drilling machine is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a unit head drive arrangement for seafloor drilling machine to solve the problem that above-mentioned prior art exists, can accomplish the drilling tool creep into and pull out work, can accomplish butt joint and dismantlement work between the drilling rod again, can effectively improve the exploration sample efficiency of seafloor drilling machine.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a power head driving device for a submarine drilling rig, which comprises a base plate fixedly connected with a mast of the submarine drilling rig, a support frame fixedly arranged on the base plate, a hydraulic drive motor fixedly arranged on the support frame, a rotating shaft, a rotary disc and a clamping assembly, wherein part of the rotating shaft is positioned in the shaft sleeve and is coaxially arranged with the shaft sleeve, the rotary disc is fixedly connected with one end of the rotating shaft, which is far away from the hydraulic drive motor, of the rotary disc, and the clamping assembly is fixedly arranged on the rotary disc; the support frame is fixedly provided with a shaft sleeve; two bearings are arranged between the rotating shaft and the shaft sleeve, the rotating shaft is in transmission connection with the hydraulic drive motor, and the hydraulic drive motor can drive the rotating shaft to rotate around the axis of the rotating shaft; the rotary disc is fixedly provided with a flange outer screw column, the flange outer screw column is coaxially arranged with the rotating shaft, and a through hole is formed in the rotary disc corresponding to the flange outer screw column; the clamping assembly is capable of clamping a drilling tool or a drill rod extending into the through hole.
Preferably, the support frame include with base plate fixed connection's last backup pad and with base plate fixed connection's bottom suspension fagging, go up the backup pad with the mounting hole has all been seted up in the bottom suspension fagging, the axle sleeve fixed set up in mounting hole department, go up the backup pad with fixed a plurality of spliced poles that are provided with between the bottom suspension fagging.
Preferably, the rotary disc comprises an upper rotary disc, a lower rotary disc and a connecting plate, one end of the connecting plate is fixedly connected with the upper rotary disc, the other end of the connecting plate is fixedly connected with the lower rotary disc, the upper rotary disc is fixedly connected with one end, away from the hydraulic drive motor, of the rotating shaft, a positioning hole is formed in the upper rotary disc, the outer screw column of the flange is fixedly arranged at the positioning hole, the through hole is formed in the lower rotary disc, and the clamping assembly is fixedly arranged on the lower rotary disc.
Preferably, the clamping assembly comprises two clamping units which are symmetrically arranged, each clamping unit comprises a horizontal oil cylinder and a clamping jaw, the output end of each horizontal oil cylinder is fixedly provided with one clamping jaw, and the horizontal oil cylinders can drive the two clamping jaws to approach or separate from each other.
Preferably, three GREEN rings are sequentially arranged between two bearings in the shaft sleeve, part of the inner wall of the shaft sleeve and part of the outer wall of the rotating shaft form an annular channel with any two adjacent GREEN rings, a first hydraulic channel and a second hydraulic channel are arranged in the rotating shaft and are respectively communicated with one annular channel, a third hydraulic channel and a fourth hydraulic channel are arranged in the flange outer wire column and can be communicated with the first hydraulic channel, the fourth hydraulic channel can be communicated with the second hydraulic channel, the third hydraulic channel is connected and communicated with an oil inlet of one horizontal oil cylinder through an oil pipe, and the fourth hydraulic channel is connected and communicated with an oil inlet of the other horizontal oil cylinder through an oil pipe.
Preferably, the top end face of the outer screw column of the flange can abut against the bottom end face of the rotating shaft, and sealing rings are arranged at the joint of the first hydraulic channel and the third hydraulic channel and the joint of the second hydraulic channel and the fourth hydraulic channel.
The utility model discloses for prior art gain following technological effect:
the utility model provides a unit head drive arrangement for seafloor drilling machine, the base plate can be installed on seafloor drilling machine's mast, the displacement hydro-cylinder that utilizes the rig mast drives base plate up-and-down motion, thereby displacement about using in seafloor drilling machine's unit head drive arrangement can take place, through having seted up the through-hole on the gyration disc, and set up fixture on the gyration disc, thereby can realize pressing from both sides tightly drilling rod or drilling tool that stretch into to in the through-hole, open the hydraulic drive motor, can accomplish the drilling tool creep into and play the butt joint and the dismantlement work of pulling out work or accomplishing between the drilling rod, can effectively improve the exploration sampling efficiency of seafloor drilling machine in the deep sea.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a power head driving device for a subsea drilling rig according to the present invention;
fig. 2 is a sectional view of the shaft sleeve provided by the present invention;
in the figure: 100-a power head drive for a subsea drilling rig; 1-a base plate; 2-a support frame; 21-an upper support plate; 22-a lower support plate; 23-connecting column; 24-a shaft sleeve; 25-a hydraulic drive motor; 26-a rotating shaft; 27-a bearing; 28-Glay circle; 29-an annular channel; 3-rotating the disc; 31-upper turn plate; 32-lower turn plate; 321-a through hole; 33-a connecting plate; 34-a clamping assembly; 341-horizontal cylinder; 342-jaws.
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.
The utility model aims at providing a unit head drive arrangement for submarine drilling rig to solve the problem that prior art exists, can accomplish the drilling tool creep into and pull up work, can accomplish the butt joint between the drilling rod again and dismantle work, can effectively improve deep sea submarine drilling rig's exploration sample efficiency.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
The utility model provides a power head driving device 100 for a submarine drilling rig, as shown in fig. 1-2, in this embodiment, including a base plate 1 for fixedly connecting with a mast of the submarine drilling rig, a support frame 2 bolted on the base plate 1, a hydraulic drive motor 25 bolted on the support frame 2, a rotating shaft 26 partially positioned inside a shaft sleeve 24 and coaxially arranged with the shaft sleeve 24, a rotary disc 3 fixedly connected to one end of the rotating shaft 26 far away from the hydraulic drive motor 25, and a clamping assembly 34 bolted on the rotary disc 3; a shaft sleeve 24 is fixedly arranged on the support frame 2; two bearings 27 are arranged between the rotating shaft 26 and the shaft sleeve 24, the rotating shaft 26 is in transmission connection with the hydraulic drive motor 25, and the hydraulic drive motor 25 can drive the rotating shaft 26 to rotate around the axis of the hydraulic drive motor 25; a flange outer screw column is fixedly arranged on the rotary disc 3, a taper thread is arranged at the bottom of the flange outer screw column, the flange outer screw column is coaxially arranged with the rotating shaft 26, and a through hole is formed in the rotary disc 3 corresponding to the flange outer screw column; the clamping assembly 34 is capable of clamping a drill or drill rod extending into the through bore.
The utility model provides a unit head drive arrangement 100 operating procedure for subsea drilling machine as follows:
firstly, a base plate 1 is arranged on a mast of a submarine drilling machine, and the base plate 1 can reciprocate up and down by utilizing a displacement oil cylinder of the mast of the drilling machine, so that a power head driving device 100 for the submarine drilling machine is driven to move up and down, and the drilling and pulling actions of the drilling tool are completed. In the initial position, the power head drive 100 for a subsea drilling rig is at its topmost end, at which time both horizontal cylinders 341 are in a retracted state, so that the jaws 342 are in a released state.
When a mechanical arm of the submarine drilling machine grabs a first drill rod (a rope core drilling tool is arranged inside) to the center of a drilling hole, the base plate 1 moves downwards along the mast, so that the power head driving device 100 for the submarine drilling machine moves downwards, and when the conical threads at the bottom of the flange outer screw column enter the drilling tool, the hydraulic driving motor 25 works to rotate the rotating shaft 26 and the flange outer screw column at a low speed, so that the butt joint process of the power head driving device 100 for the submarine drilling machine and the drilling tool is completed. After drilling and coring are completed, the drilling tool is clamped by the clamping mechanism, the hydraulic drive motor 25 rotates reversely to be separated from the drilling tool, then the power head drive device 100 for the submarine drilling machine is lifted to the top of the drilling machine, and the first rope core drilling tool is recovered by the fishing spear head.
After recovery, a second rope core drill is grabbed from the drill library by using a manipulator of the submarine drilling rig, when the second rope core drill is moved to the center position of a drill hole, the power head driving device 100 for the submarine drilling rig is moved downwards by using a hydraulic system, when the top of the second rope core drill passes through the through hole and enters the middle of the two clamping jaws 342, the two horizontal oil cylinders 341 drive the clamping jaws 342 to extend out, the rope core drill is clamped, then the mechanical gripper is loosened, and then the second rope core drill is in an idle position. And then the power head driving device 100 for the submarine drilling rig moves downwards until a second wire-line core drilling tool enters the first section of drill rod, the two horizontal oil cylinders 341 contract simultaneously, and the wire-line core drilling tool is loosened to freely fall into the first section of drill rod, so that the second wire-line core drilling tool is laid. At the moment, the power head driving device 100 for the submarine drilling machine is lifted to the highest point, a mechanical gripper is used for gripping the drill rod, when the second drill rod is positioned right above the drill hole, the butt joint of the flange external screw column and the second drill rod is completed by the aid of the butt joint mode, the mechanical gripper is loosened and moved to an idle position after the butt joint is completed, then the power head driving device 100 for the submarine drilling machine moves downwards, meanwhile, the hydraulic driving motor 25 drives the connected second drill rod to rotate forwards, the butt joint of the second drill rod and the first drill rod in the drill hole is completed, and after the butt joint is completed, a clamping oil cylinder at the bottom of the drilling machine is loosened, and drilling sampling of the second section of rock core is conducted. According to the method, the butt joint between the sampling of the multi-section core and the drill rod is completed.
After coring is completed, the top end of the drill rod on the uppermost part is clamped by using a clamping oil cylinder at the bottom of the drilling machine, then the hydraulic drive motor 25 is driven to rotate reversely to complete the disassembly of the power head drive device 100 for the submarine drilling machine and the drill rod on the uppermost part, after the disassembly is completed, the horizontal oil cylinder 341 and the clamping jaw 342 are driven to clamp the top end of the drill rod on the uppermost part, the oil cylinder at the bottom of the drilling machine is loosened, and the power head drive device 100 for the submarine drilling machine drives the drill rod for drilling to be integrally lifted. After the drill pipe is lifted to a proper position, the drill pipe in the hole is clamped by using a clamping oil cylinder at the bottom of the drilling machine, and a power head driving device 100 for the submarine drilling machine is used for reversing, so that the detachment of the uppermost drill pipe and the penultimate drill pipe is completed. The drill pipe is then moved into the drill pipe magazine using the rig mechanical gripper. By the disassembling method, the drill rods are separated and recovered to the drill rod warehouse until the recovery of the last drill rod is completed.
The utility model provides a unit head drive arrangement 100 for seafloor drilling machine compares with conventional gyration unit head, has add fixture, can utilize this unit head drive arrangement 100 for seafloor drilling machine to accomplish to the accurate cloth of rope coring drilling tool and put inside the drilling rod to butt joint and dismantlement between the completion drilling rod that can be comparatively convenient have improved seafloor drilling machine's work efficiency.
The rotary disc 3 comprises an upper rotary disc 31, a lower rotary disc 32 and a connecting plate 33, one end of the connecting plate 33 is fixedly connected with the upper rotary disc 31, the other end of the connecting plate 33 is fixedly connected with the lower rotary disc 32, the upper rotary disc 31 is fixedly connected with one end of the rotating shaft 26 far away from the hydraulic drive motor 25, a positioning hole is formed in the upper rotary disc 31, a flange outer screw column is fixedly arranged at the positioning hole, a through hole is formed in the lower rotary disc 32, and the clamping assembly 34 is fixedly arranged on the lower rotary disc 32.
The clamping assembly 34 comprises two clamping units which are symmetrically arranged, each clamping unit comprises a horizontal cylinder 341 and a clamping jaw 342, the output end of each horizontal cylinder 341 is fixedly provided with one clamping jaw 342, the clamping jaw 342 is used for clamping the wall surface of the drilling tool or the drilling rod and is in an arc surface shape, and the horizontal cylinders 341 can drive the two clamping jaws 342 to approach or move away from each other so as to clamp or loosen the drilling tool or the drilling rod.
Three GRIN rings 28 are sequentially arranged between two bearings 27 in the shaft sleeve 24, a sealed annular channel 29 is formed between the inner wall of part of the shaft sleeve 24 and the outer wall of part of the rotating shaft 26 and any two adjacent GRIN rings 28, the number of the annular channels 29 is two, two oil ports are arranged on the shaft sleeve 24 corresponding to the two annular channels 29, a first hydraulic channel and a second hydraulic channel are arranged in the rotating shaft 26, the first hydraulic channel and the second hydraulic channel are respectively communicated with one annular channel 29, a third hydraulic channel and a fourth hydraulic channel are arranged in the flange outer screw column, the third hydraulic channel can be communicated with the first hydraulic channel, the fourth hydraulic channel can be communicated with the second hydraulic channel, a channel port of the third hydraulic channel is arranged on the flange outer screw column corresponding to the third hydraulic channel, a channel port of the fourth hydraulic channel is arranged corresponding to the fourth hydraulic channel, the channel port of the third hydraulic channel is connected and communicated with an oil inlet of one horizontal oil cylinder 341 through an oil inlet, the channel is used for providing the horizontal oil cylinder 341, the oil cylinder 341 can be in a state that the two horizontal oil cylinders 341 flow in the oil cylinder 341, and the two oil cylinders 26 can always supply oil in a state, so that the two horizontal oil cylinders 341 do not interfere with each other, and the oil cylinder 26, when the two oil cylinder 26 rotate, and the oil cylinder 341, the two oil cylinder 341, and the oil cylinder 26 can always rotate.
The top end face of the flange outer screw column can abut against the bottom end face of the rotating shaft 26, and sealing rings are arranged at the joint of the first hydraulic channel and the third hydraulic channel and the joint of the second hydraulic channel and the fourth hydraulic channel, so that the sealing performance between the first hydraulic channel and the third hydraulic channel and the sealing performance between the second hydraulic channel and the fourth hydraulic channel are guaranteed.
The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for those skilled in the art, the idea of the present invention may be changed in the specific embodiments and the application range. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (6)
1. A power head drive arrangement for a subsea drilling rig, characterized by: the method comprises the following steps:
the base plate is fixedly connected with a mast of the submarine drilling rig;
the supporting frame is fixedly arranged on the base plate, and a shaft sleeve is fixedly arranged on the supporting frame;
the hydraulic driving motor is fixedly arranged on the supporting frame;
the part of the rotating shaft is positioned in the shaft sleeve and is coaxially arranged with the shaft sleeve, two bearings are arranged between the rotating shaft and the shaft sleeve, the rotating shaft is in transmission connection with the hydraulic driving motor, and the hydraulic driving motor can drive the rotating shaft to rotate around the axis of the hydraulic driving motor;
the rotary disc is fixedly connected to one end, far away from the hydraulic driving motor, of the rotating shaft, an outer flange screw post is fixedly arranged on the rotary disc, the outer flange screw post and the rotating shaft are coaxially arranged, and a through hole is formed in the rotary disc corresponding to the outer flange screw post;
and the clamping assembly is fixedly arranged on the rotary disc and can clamp a drilling tool or a drilling rod extending into the through hole.
2. The powerhead drive apparatus for a subsea drill of claim 1, wherein: the support frame include with base plate fixed connection's last backup pad and with base plate fixed connection's bottom suspension fagging, go up the backup pad with the mounting hole has all been seted up in the bottom suspension fagging, the axle sleeve fixed set up in mounting hole department, go up the backup pad with fixed a plurality of spliced poles that are provided with between the bottom suspension fagging.
3. The powerhead drive apparatus for a subsea drill of claim 1, wherein: the rotary disc comprises an upper rotary disc, a lower rotary disc and a connecting plate, one end of the connecting plate is fixedly connected with the upper rotary disc, the other end of the connecting plate is fixedly connected with the lower rotary disc, the upper rotary disc is fixedly connected with one end, far away from the hydraulic drive motor, of the rotating shaft, a positioning hole is formed in the upper rotary disc, the flange outer wire column is fixedly arranged at the positioning hole, the through hole is formed in the lower rotary disc, and the clamping assembly is fixedly arranged on the lower rotary disc.
4. The powerhead drive apparatus for a subsea drill of claim 3, wherein: the clamping assembly comprises two clamping units which are symmetrically arranged, each clamping unit comprises a horizontal oil cylinder and a clamping jaw, the output end of each horizontal oil cylinder is fixedly provided with one clamping jaw, and the horizontal oil cylinders can drive the two clamping jaws to be close to or far away from each other.
5. The powerhead drive apparatus for a subsea drill of claim 4, wherein: the novel oil cylinder structure is characterized in that three GREEN rings are sequentially arranged between two bearings inside the shaft sleeve, part of the inner wall of the shaft sleeve and part of the outer wall of the rotating shaft are adjacent to any two GREEN rings to form an annular channel, a first hydraulic channel and a second hydraulic channel are arranged inside the rotating shaft and are respectively communicated with one annular channel, a third hydraulic channel and a fourth hydraulic channel are arranged inside the flange outer wire column, the third hydraulic channel can be communicated with the first hydraulic channel, the fourth hydraulic channel can be communicated with the second hydraulic channel, the third hydraulic channel is connected and communicated with an oil inlet of one horizontal oil cylinder through an oil pipe, and the fourth hydraulic channel is connected and communicated with an oil inlet of the other horizontal oil cylinder through an oil pipe.
6. The powerhead drive apparatus for a subsea drill of claim 5, wherein: the top end face of the flange outer screw column can be abutted against the bottom end face of the rotating shaft, and sealing rings are arranged at the joint of the first hydraulic channel and the third hydraulic channel and the joint of the second hydraulic channel and the fourth hydraulic channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223391516.2U CN218780319U (en) | 2022-12-19 | 2022-12-19 | Power head driving device for submarine drilling rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223391516.2U CN218780319U (en) | 2022-12-19 | 2022-12-19 | Power head driving device for submarine drilling rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218780319U true CN218780319U (en) | 2023-03-31 |
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ID=85723311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223391516.2U Active CN218780319U (en) | 2022-12-19 | 2022-12-19 | Power head driving device for submarine drilling rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218780319U (en) |
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2022
- 2022-12-19 CN CN202223391516.2U patent/CN218780319U/en active Active
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