CN117868671B - Ocean exploration top drive device - Google Patents
Ocean exploration top drive device Download PDFInfo
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- CN117868671B CN117868671B CN202410277847.8A CN202410277847A CN117868671B CN 117868671 B CN117868671 B CN 117868671B CN 202410277847 A CN202410277847 A CN 202410277847A CN 117868671 B CN117868671 B CN 117868671B
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- top drive
- rotary joint
- fixedly connected
- saw tooth
- supporting rod
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- 238000007789 sealing Methods 0.000 claims description 30
- 239000003921 oil Substances 0.000 claims description 29
- 238000004140 cleaning Methods 0.000 claims description 23
- 230000002265 prevention Effects 0.000 claims description 23
- 239000010687 lubricating oil Substances 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 claims description 9
- 239000002002 slurry Substances 0.000 claims description 5
- 229920000742 Cotton Polymers 0.000 claims description 3
- 241000208202 Linaceae Species 0.000 claims description 3
- 235000004431 Linum usitatissimum Nutrition 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 210000002268 wool Anatomy 0.000 claims description 3
- 238000005553 drilling Methods 0.000 description 47
- 238000000034 method Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 11
- 238000005507 spraying Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005755 formation reaction Methods 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 2
- 230000010485 coping Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000446313 Lamella Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The invention relates to the technical field related to marine exploration, and discloses a marine exploration top drive device, wherein a first saw tooth on the lower end surface of a top drive gearbox and a second saw tooth on the upper end surface of a top drive rotary joint are matched with each other, so that the positioning of any angle can be realized, an annular felt pad is arranged between the first saw tooth and the second saw tooth, the top drive rotary joint can freely ascend and descend under the driving of a lifting oil cylinder, the first saw tooth and the second saw tooth can be meshed and disengaged, the annular felt pad can be clamped when the first saw tooth and the second saw tooth are meshed, the mutual rotation between the top drive gearbox and the top drive rotary joint can be prevented by the friction resistance of the clamping of the annular felt pad, the rotary positioning of the top drive rotary joint can be realized, and meanwhile, the first saw tooth and the second saw tooth do not need to be accurately meshed when the annular felt pad is meshed, so that the top drive rotary joint can be positioned at any angle.
Description
Technical Field
The invention relates to the technical field related to marine exploration, in particular to a top drive device for marine exploration.
Background
The top drive technique can directly rotate the drill rod from the upper space of the derrick, and the drill rod is fed downwards along a special guide rail to finish rotary drilling of the drill rod, circulate drilling fluid, connect the stand column, make up and break out, reversely scratch the hole and other drilling operations, the system remarkably improves the capacity and efficiency of drilling operation, and becomes a standard product of the petroleum drilling industry, and the top drive drilling device has certain advantages:
1. saving the single connection time: the top driving drilling device does not use a square drill rod, is not limited by the length of the square drill rod, and avoids the trouble of drilling about 9 meters to connect a single joint; instead, the upright post is used for drilling, so that the time for connecting a single joint is greatly saved, and the drilling time is saved;
2. The inverted scratch hole prevents the drill from being stuck: the top driving drilling device has the capability of using a 28-meter upright post to reversely scratch the hole, can smoothly circulate and rotate to lift the drilling tool out of the borehole on the premise of not increasing the drilling time, and can greatly reduce the total drilling time in the directional drilling process;
3. drilling down and reaming: the top drive drilling apparatus has the ability to drill through sand bridges and reducing points without uncoupling the square drill string. When the top driving drilling device is used for drilling, a drill string can be connected in a plurality of seconds, and the drilling is performed immediately, so that the risk of drill sticking is reduced;
4. personnel safety: the top drive drilling apparatus reduces the number of joints by 2/3, thereby reducing the incidence of accidents. The single joint only needs to be carried out by a back-up wrench, and the inclined device on the drill rod screwing-off device assembly can enable the hanging ring and the hanging card to swing downwards to the rat hole, so that the dangerous degree of personnel work is greatly reduced;
5. The equipment is safe: the top driving drilling device adopts the motor to rotate and buckle, the buckling is stable, the buckling torque can be observed from the torque meter, and the interference or the deficiency of the buckling torque is avoided. Setting the maximum torque of the well drilling, so that the motor can automatically stop rotating when the drilling torque exceeds a set range in the well drilling, and the well drilling is normally performed after the well drilling parameters are adjusted, thereby avoiding overload of equipment and long-time operation.
Traditional top drives the device, like a drilling top drives system that publication number is CN115584925A, adopts the hydro-cylinder that locks to drive the locating hole that locks the round pin and insert on the driven gear and to fix a position the top and drive the rotating head, and this kind of locate mode is limited by the quantity of locating hole, leads to locating angle limited, can't fix a position at arbitrary angle, and driven gear receives external mud easily and pollute, influences the free rotation that the rotating head was driven on the top.
Disclosure of Invention
The invention aims to provide a marine exploration top drive device, which aims to solve the problems that the conventional top drive device at present is limited in positioning angle and cannot be positioned at any angle in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a marine exploration top drives device, includes that A type top drives the gallows, A type top drives gallows below fixedly connected with top drives gearbox, top drives gearbox below swing joint has top to drive the swivelling joint, top is driven the swivelling joint below and is provided with the blowout prevention stand, blowout prevention stand below is provided with back-up tong binding clip, top is driven swivelling joint bilateral symmetry and is provided with two sets of lugs, the lug has the drilling rod elevator through rings connecting rod swing joint, top is driven swivelling joint one side swing joint and is provided with the guide rail slider, top is driven and is provided with two sets of back-up tong adjusting cylinder between swivelling joint and the back-up tong binding clip, be provided with hollow main shaft in the top is driven the gearbox, hollow main shaft upper end is rotated through rotary joint and is connected with the mud pipeline, be provided with vibration preventing mechanism on the top is driven the gearbox.
Further, the top drive rotary joint is rotationally connected with a guide rail sliding block through an angle adjusting shaft, an angle adjusting oil cylinder is connected between the lower end of the guide rail sliding block and the top drive rotary joint, the bottom end of a cylinder body of the angle adjusting oil cylinder is rotationally connected with the lower end of the guide rail sliding block, and the upper end of a piston of the angle adjusting oil cylinder is rotationally connected with the top drive rotary joint.
Further, the top drive gearbox is connected with the top drive rotary joint in a rotating mode, a rotating gear is arranged at the upper end of the top drive rotary joint, a stepping motor is fixedly connected to one side of the top drive gearbox, a driving gear is fixedly connected to a main shaft of the stepping motor through a key groove, and the driving gear is meshed with the rotating gear.
Further, an upper supporting rod is fixedly connected to the lower portion of the top drive gearbox, the upper supporting rod is L-shaped, the lower end of the upper supporting rod is bent to be horizontal, the lower end of the upper supporting rod is fixedly connected with a lifting oil cylinder through a bolt, and the lifting oil cylinder is vertically installed;
The top drives the rotary joint below and rotates and be connected with rotatory support ring, rotatory support ring top fixedly connected with lower support rod, the lower support rod is L shape, and the upper end is buckled to the level, lift cylinder's output and lower support rod fixed connection.
Further, the upper supporting rod and the lifting oil cylinder are respectively provided with two groups, the rotary supporting ring is formed by splicing two semicircular rings, the two semicircular rings are a first supporting ring and a second supporting ring respectively, and the first supporting ring and the second supporting ring are fixedly connected through bolts.
Further, the lower support rod is divided into two halves, the two halves of lower support rod are fixedly connected with the first support ring and the second support ring respectively, a fixed clamping groove is formed in the inner side of each half of the second support ring, a fixed clamping block is fixedly connected to the upper end of a piston of the lifting oil cylinder, and the fixed clamping block is connected with the fixed clamping groove in a mutually clamping mode.
Further, the top drive gearbox is processed to have annular first sawtooth down, the processing of rotation gear up end has annular second sawtooth, first sawtooth and second sawtooth gomphosis each other, be provided with annular felt pad between first sawtooth and the second sawtooth.
Further, the annular felt pad is composed of one or more of cotton, flax and wool fibers, the annular felt pad is soaked with lubricating oil, a sealing sleeve is arranged on the periphery of the second saw tooth, and a sealing ring is arranged on the inner side of the upper end of the sealing sleeve, so that sealing is kept between the sealing sleeve and the top drive gearbox.
Further, the vibration prevention mechanism comprises a vertical vibration prevention hammer and a horizontal vibration prevention hammer, wherein the vertical vibration prevention hammer is arranged vertically, and the horizontal vibration prevention hammer is arranged horizontally.
Further, the three groups of gear cleaning brushes are arranged around the rotating gear, each gear cleaning brush comprises a supporting rod, each supporting rod is fixedly connected to the lower portion of the top drive gearbox, an arc-shaped fixing strip is fixedly connected to the lower end of each supporting rod, and replaceable brush heads are fixedly connected to the inner sides of the arc-shaped fixing strips through bolts.
Compared with the prior art, the invention has the beneficial effects that:
1. According to the ocean exploration top drive device, the first saw teeth on the lower end face of the top drive gearbox and the second saw teeth on the upper end face of the top drive rotating joint are matched with each other, so that positioning at any angle can be achieved, an annular felt pad is arranged between the first saw teeth and the second saw teeth, the top drive rotating joint can freely ascend and descend under the driving of the lifting oil cylinder, the first saw teeth and the second saw teeth can be meshed and separated from each other, the annular felt pad can be clamped when the first saw teeth and the second saw teeth are meshed, the mutual rotation between the top drive gearbox and the top drive rotating joint can be prevented by friction resistance of the clamping of the annular felt pad, and meanwhile, the annular felt pad is elastic, so that the first saw teeth and the second saw teeth do not need to be meshed accurately during meshing, and the top drive rotating joint can be positioned at any angle;
2. According to the ocean exploration top drive device, through the arrangement of the sealing sleeves around the annular felt pad and the second saw teeth which are soaked with lubricating oil, the annular felt pad soaked with lubricating oil can be extruded by the first saw teeth and the second saw teeth in engagement, lubricating oil absorbed in the annular felt pad is extruded, a rotating shaft between a top drive gearbox and a top drive rotating joint is lubricated, meanwhile, the first saw teeth and the second saw teeth cannot be slipped, meanwhile, the extruded lubricating oil can enter a gap between the sealing sleeve and the top drive gearbox, sealing is carried out by matching with a sealing ring, and mud and muddy water are prevented from entering the gap between the first saw teeth and the second saw teeth, so that normal rotation of the top drive rotating joint is prevented from being influenced;
3. According to the marine exploration top drive device, the gear cleaning brush is arranged, so that when the top drive rotary joint rotates, the gear cleaning brush can clean the exposed rotating gears, slurry gravel on the surfaces of the rotating gears is conveniently removed, normal engagement of the driving gears and the rotating gears is guaranteed, meanwhile, when the lifting oil cylinder drives the top drive rotary joint to ascend and descend, the gear cleaning brush can brush gaps among teeth of the rotating gears up and down, sediment in gaps among the teeth of the gears which are difficult to process in a traditional cleaning mode can be removed, and in normal work, the rotating gears can be cleaned in a rotating mode and an up-down brushing mode, so that the rotating gears are thoroughly cleaned;
4. According to the marine exploration top drive device, through the rotary connection between the top drive rotary joint and the guide rail sliding block, the angle of the top drive rotary joint can freely rotate within a certain range by matching with the angle adjusting effect brought by the angle adjusting oil cylinder, and the drill rod elevator can hoist the drill rod by rotating a larger angle by matching with the movable lifting ring connecting rod, so that the hoisting of the drill rod is facilitated.
Drawings
FIG. 1 is a schematic view of the appearance of the present invention;
FIG. 2 is a schematic diagram of an external structure of the present invention;
FIG. 3 is a schematic diagram of the front view of the present invention;
FIG. 4 is a schematic rear view of the present invention;
FIG. 5 is a schematic side view of the present invention;
FIG. 6 is a schematic view of a rotary support ring according to the present invention;
FIG. 7 is a schematic cross-sectional view of a rotary support ring according to the present invention;
FIG. 8 is an enlarged schematic view of the structure of FIG. 7A according to the present invention;
FIG. 9 is an enlarged schematic view of the structure of FIG. 7B according to the present invention;
FIG. 10 is a schematic view of the structure of the annular felt pad of the present invention;
fig. 11 is an enlarged view of fig. 10C according to the present invention.
Reference numerals in the drawings: 1. a-type top drive hanging bracket; 2. top drive gearbox; 201. an upper support rod; 202. a lifting oil cylinder; 203. fixing the clamping block; 204. a first serration; 3. a top drive swivel; 301. rotating the gear; 302. a stepping motor; 303. a drive gear; 304. an angular support bearing; 305. rotating the support ring; 3051. a first support ring; 3052. a second support ring; 306. a lower support rod; 307. a fixing clamping groove; 308. a second serration; 309. sealing sleeve; 310. a seal ring; 4. blowout prevention upright posts; 5. back-up pliers binding clip; 6. lifting lugs; 7. a hanging ring connecting rod; 8. a drill rod elevator; 9. an angle adjusting shaft; 10. a guide rail slide block; 11. an angle adjusting cylinder; 12. back-up wrench adjusting oil cylinder; 13. a hollow main shaft; 14. a rotary joint; 15. a slurry pipe; 16. a vibration-proof mechanism; 1601. a vertical damper; 1602. a horizontal damper; 17. an annular felt pad; 18. a gear cleaning brush; 1801. a support rod; 1802. an arc-shaped fixing strip; 1803. the brush head can be replaced.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
For a further understanding of the present invention, the present invention will be described in detail with reference to the drawings.
Referring to fig. 1-11, a top drive device for marine exploration comprises an a-type top drive hanging bracket 1 connected with a lifting hook, wherein a top drive gearbox 2 is fixedly connected below the a-type top drive hanging bracket 1, and the top drive gearbox 2 is responsible for receiving power provided by an electric or hydraulic system and converting the power into a rotating force so as to drive a drill rod to rotate. Through the top drive gearbox 2, the operator can adjust the rotational speed of the top drive to accommodate different drilling conditions and requirements, this flexibility being important for coping with different geological formations, depths of well and different types of drilling operations, the top drive gearbox 2 also being able to provide sufficient torque to cope with the drag and loads that may be encountered in drilling, which is critical for pushing the drill bit through the formation, overcoming the resistance of the formation and coping with various drilling conditions. The top drive rotary joint 3 is movably connected below the top drive gearbox 2, and the top drive rotary joint 3 is a rotary mechanism in a top drive system and is responsible for providing rotary force to drive the drill rod and the drill bit, so that enough torque can be transmitted to the drill rod and the drill bit to overcome well depth, stratum resistance and other possible loads, and the drilling device is helpful for ensuring that drilling can still be effectively performed under different geological conditions.
The top drive rotary joint 3 below is provided with prevents spouting stand 4, prevents spouting stand 4's main role and is the danger that protection staff and equipment were prevented high-pressure liquid and is sprayed. During drilling, an emergency situation may occur, such as a drill pipe or tool sticking to the wellhead, causing the fluid in the well to rise rapidly, creating a jet. The anti-spraying upright post 4 can slow down the spraying speed of liquid and reduce the spraying force through the special structural design thereof, thereby reducing the risk of injury, and the anti-spraying upright post 4 can also be used for discharging bottom gas or liquid so as to ensure the normal operation of the system, be helpful for maintaining pressure balance and prevent the accumulation and spraying of the liquid or gas in the system. The back-up tong head 5 is arranged below the blowout prevention upright post 4, and is used for clamping and fixing a drill rod, the back-up tong head 5 plays a role similar to a drill rod clamp in drilling operation, the stability of the drill rod in the rotation and pull-down processes is ensured, the back-up tong head is very important for improving the accuracy and safety of operation, the task of connecting and releasing the drill rod can be completed, and when a new drilling tool needs to be replaced or connected, the back-up tong head can perform corresponding operation, so that the operations are more efficient. Two groups of lifting lugs 6 are symmetrically arranged on two sides of the top drive rotary joint 3, the lifting lugs 6 are movably connected with a drill rod elevator 8 through a lifting ring connecting rod 7, the drill rod elevator 8 is responsible for hoisting a drill rod from a wellhead position into a well and putting the drill rod down when required, and the process is a key step in drilling operation because the process involves the operation and safe hoisting and unloading of the drill rod. One side of the top drive rotating joint 3 is movably connected with a guide rail sliding block 10, and the guide rail sliding block 10 is arranged on a base of the top drive device to provide stable support for the top drive device, so that the stability of the top drive device in operation can be maintained. Two groups of back-up wrench adjusting cylinders 12 are arranged between the top drive rotary joint 3 and the back-up wrench pliers heads 5 and used for adjusting the heights of the back-up wrench heads 5.
The top drive gearbox 2 is internally provided with a hollow main shaft 13, the upper end of the hollow main shaft 13 is rotationally connected with a mud pipeline 15 through a rotary joint 14, and the mud pipeline 15 is responsible for conveying mud from a mud circulation system to the inside of a drill rod, so that the mud can enter the bottom of a well through a drill bit nozzle and then return to the ground surface along a drill hole, a mud circulation is formed, the mud circulation is a vital step in the drilling process, cooling and lubricating the drill bit are facilitated, drill cuttings are removed, the stability of a borehole is maintained, and information on a stratum is provided. The vibration prevention mechanism 16 is arranged on the top drive gearbox 2, the vibration prevention mechanism 16 comprises a vertical vibration prevention hammer 1601 and a horizontal vibration prevention hammer 1602, the vertical vibration prevention hammer 1601 is arranged vertically, the horizontal vibration prevention hammer 1602 is arranged horizontally, and therefore vibration in two directions of the vertical vibration and the horizontal vibration can be eliminated, abrasion of equipment can be caused by the vibration in the drilling process, the vibration prevention mechanism comprises a top drive device, a drill bit and other related components, the vibration prevention hammer acts through absorbing or slowing down the vibration, abrasion of the equipment is reduced, and the service life of the equipment is prolonged. At the same time, the existence of vibration can cause the drill bit to lose effective contact with the well wall, thereby affecting the drilling efficiency, and the damper is helpful for reducing vibration, and maintaining proper contact between the drill bit and the well wall, thereby improving the drilling efficiency. In addition, the drilling tool is easy to damage or deform in a vibrating environment, the use of the damper can improve the performance of the drilling tool, ensure that the drilling tool can work under more stable conditions, and improve the reliability and durability of the tool. And vibrations may cause instability of the wellbore, leading to wellbore collapse or other geological problems, the damper helps reduce wellbore vibrations by slowing down the propagation of the vibrations, maintaining wellbore stability.
As shown in fig. 2, the top drive rotary joint 3 is rotationally connected with a guide rail slide block 10 through an angle adjusting shaft 9, an angle adjusting oil cylinder 11 is connected between the lower end of the guide rail slide block 10 and the top drive rotary joint 3, the bottom end of a cylinder body of the angle adjusting oil cylinder 11 is rotationally connected with the lower end of the guide rail slide block 10, and the upper end of a piston of the angle adjusting oil cylinder 11 is rotationally connected with the top drive rotary joint 3, so that when the angle adjusting oil cylinder 11 is started, the top drive rotary joint 3 can be pushed to rotate for a certain angle, the angle of the top drive rotary joint 3 can freely rotate in a certain range, and the drill rod elevator 8 can rotate for hoisting a drill rod by a larger angle by matching with the movable hoisting ring connecting rod 7, thereby being more convenient for hoisting a drill rod.
As shown in fig. 5, the top drive gearbox 2 and the top drive rotary joint 3 are rotationally connected, the rotary gear 301 is arranged at the upper end of the top drive rotary joint 3, a stepping motor 302 is fixedly connected to one side of the top drive gearbox 2, a driving gear 303 is fixedly connected to a main shaft of the stepping motor 302 through a key slot, the driving gear 303 is meshed with the rotary gear 301, so that the stepping motor 302 can drive the driving gear 303 to rotate, and then the rotary gear 301 is driven to rotate through the meshing of the driving gear 303 and the rotary gear 301, so that the top drive rotary joint 3 is driven to integrally rotate, and the angle of a drill rod is convenient to adjust.
As shown in fig. 5-11, an upper supporting rod 201 is fixedly connected below the top drive gearbox 2, the upper supporting rod 201 is in an L shape, the lower end of the upper supporting rod 201 is bent to be horizontal, the lower end of the upper supporting rod 201 is fixedly connected with a lifting oil cylinder 202 through bolts, the lifting oil cylinder 202 is vertically installed, the upper supporting rod 201 and the lifting oil cylinder 202 are both provided with two groups, a rotary supporting ring 305 is rotationally connected below the top drive rotary joint 3, a lower supporting rod 306 is fixedly connected above the rotary supporting ring 305, the lower supporting rod 306 is in an L shape, the upper end of the lower supporting rod 306 is bent to be horizontal, the output end of the lifting oil cylinder 202 is fixedly connected with the lower supporting rod 306, the rotary supporting ring 305 is formed by splicing two semicircular rings, the two semicircular rings are respectively a first supporting ring 3051 and a second supporting ring 3052, the first supporting ring 3051 and the second supporting ring 3052 are fixedly connected through bolts, the lower supporting rod 306 is divided into two pieces, and two halves lower support rod 306 respectively with first support ring 3051 and second support ring 3052 fixed connection, every lamella second support ring 3052 inboard all processes fixed block groove 307, the piston upper end fixedly connected with fixed block 203 of lift cylinder 202, fixed block 203 and fixed block groove 307 mutual block connection, thereby when the angle of top drive swivel 3 needs to be fixed a position, lift cylinder 202 can drive upper support rod 201 and lower support rod 306 and keep away from each other, and then make the first sawtooth 204 of top drive gearbox 2 bottom surface and the second sawtooth 308 of top drive swivel 3 up end be close to each other, and then press from both sides annular felt pad 17 tight, the frictional force of annular felt pad 17 makes between first sawtooth 204 and the second sawtooth 308 be difficult to rotate, thereby make between top drive gearbox 2 and the top drive swivel 3 relatively fixed, the top drive swivel 3 of being convenient for drives the rotation to the drilling rod. The three groups of gear cleaning brushes 18 are arranged around the rotating gear 301, the gear cleaning brushes 18 comprise supporting rods 1801, the supporting rods 1801 are fixedly connected to the lower portion of the top drive gearbox 2, arc-shaped fixing strips 1802 are fixedly connected to the lower ends of the supporting rods 1801, replaceable brush heads 1803 are fixedly connected to the inner sides of the arc-shaped fixing strips 1802 through bolts, the replaceable brush heads 1803 are convenient to replace, the rotating gear 301 can move up and down relative to the gear cleaning brushes 18 when the first saw teeth 204 and the second saw teeth 308 are close to and far away from each other, and accordingly the gear cleaning brushes 18 can brush up and down gaps between teeth of the rotating gear 301 to remove sediment in gaps between teeth of the gear which are difficult to process in a traditional cleaning mode, and in normal operation, the rotating mode and the up and down brushing mode can be conducted, so that the cleaning of the rotating gear 301 is more thorough.
As shown in fig. 9 and 11, the lower end surface of the top drive gearbox 2 is processed with a first annular saw tooth 204, the upper end surface of the rotating gear 301 is processed with a second annular saw tooth 308, the first saw tooth 204 and the second saw tooth 308 are mutually embedded, an annular felt pad 17 is arranged between the first saw tooth 204 and the second saw tooth 308, the annular felt pad 17 is formed by one or more of cotton, flax and wool fibers, the annular felt pad 17 is soaked with lubricating oil, the periphery of the second saw tooth 308 is provided with a sealing sleeve 309, the inner side of the upper end of the sealing sleeve 309 is provided with a sealing ring 310, so that the sealing sleeve 309 and the top drive gearbox 2 are kept sealed, the first saw tooth 204 and the second saw tooth 308 can squeeze the annular felt pad 17 soaked with the lubricating oil in a meshed manner, the lubricating oil absorbed in the annular felt pad 17 is squeezed out, the rotating shaft between the top drive gearbox 2 and the top drive rotary joint 3 is lubricated, meanwhile, the squeezed lubricating oil between the first saw tooth 204 and the second saw tooth 308 cannot enter a gap between the sealing sleeve 309 and the top drive gearbox 2, the sealing sleeve 310 is matched with the sealing sleeve 309, and the slurry and the top drive rotary joint 204 and the top drive rotary joint 308 are prevented from being influenced by the sealing sleeve 308.
Specifically, when the stepping motor 302 drives the rotating gear 301 to rotate and adjust the angle of the drill rod, the rotating gear 301 rotates and relatively displaces with the fixed gear cleaning brush 18, so that the gear cleaning brush 18 can clean the rotating gear 301, when the angle of the top drive rotating joint 3 needs to be positioned, the lifting cylinder 202 can drive the upper supporting rod 201 and the lower supporting rod 306 to be away from each other, further the first saw teeth 204 of the bottom end face of the top drive gearbox 2 and the second saw teeth 308 of the upper end face of the top drive rotating joint 3 are close to each other, the annular felt pad 17 is clamped, friction force of the annular felt pad 17 enables the first saw teeth 204 and the second saw teeth 308 to be difficult to rotate, the top drive rotating joint 3 is convenient to drive and rotate the drill rod, the rotating gear 301 can also move up and down relative to the gear cleaning brush 18 when the first saw teeth 204 and the second saw teeth 308 are close to each other, accordingly the gear cleaning brush 18 can brush up and down gaps between the teeth of the rotating gear 301, sediment in the gear gaps which are difficult to be cleaned in a traditional cleaning mode can be cleaned, and the two gears can be cleaned up and down in a normal rotating mode, and the cleaning mode can be achieved, and the cleaning mode can be more completely cleaned.
Because the annular felt pad 17 is soaked with lubricating oil, the sealing sleeve 309 is arranged on the periphery of the second saw-tooth 308, the sealing ring 310 is arranged on the inner side of the upper end of the sealing sleeve 309, so that the sealing sleeve 309 and the top drive gearbox 2 are kept sealed, therefore, the first saw-tooth 204 and the second saw-tooth 308 can squeeze the annular felt pad 17 soaked with lubricating oil when being meshed, the lubricating oil absorbed in the annular felt pad 17 is squeezed out, the rotating shaft between the top drive gearbox 2 and the top drive rotary joint 3 is lubricated, meanwhile, the first saw-tooth 204 and the second saw-tooth 308 cannot be slipped, meanwhile, the squeezed lubricating oil can enter a gap between the sealing sleeve 309 and the top drive gearbox 2, and the sealing ring 310 is matched for sealing, so that the slurry and the muddy water are prevented from entering the gap between the first saw-tooth 204 and the second saw-tooth 308, and the normal rotation of the top drive rotary joint 3 is influenced.
It is noted that relational terms such as second and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a marine exploration top drives device, includes that A type top drives gallows (1), its characterized in that: the device is characterized in that a top drive gearbox (2) is fixedly connected below the A-type top drive hanging bracket (1), a top drive rotary joint (3) is movably connected below the top drive gearbox (2), the top drive gearbox (2) is rotationally connected with the top drive rotary joint (3), a rotating gear (301) is arranged at the upper end of the top drive rotary joint (3), a stepping motor (302) is fixedly connected to one side of the top drive gearbox (2), a driving gear (303) is fixedly connected to a main shaft of the stepping motor (302) through a key slot, and the driving gear (303) is meshed with the rotating gear (301);
the top drive gearbox is characterized in that an upper supporting rod (201) is fixedly connected below the top drive gearbox (2), the upper supporting rod (201) is L-shaped, the lower end of the upper supporting rod is bent to be horizontal, the lower end of the upper supporting rod (201) is fixedly connected with a lifting oil cylinder (202) through a bolt, the lifting oil cylinder (202) is vertically installed, a rotary supporting ring (305) is rotationally connected below the top drive rotary joint (3), a lower supporting rod (306) is fixedly connected above the rotary supporting ring (305), the lower supporting rod (306) is L-shaped, the upper end of the lower supporting rod is bent to be horizontal, and the output end of the lifting oil cylinder (202) is fixedly connected with the lower supporting rod (306);
the upper support rod (201) and the lifting oil cylinder (202) are respectively provided with two groups, the rotary support ring (305) is formed by splicing two semicircular rings, the two semicircular rings are a first support ring (3051) and a second support ring (3052), and the first support ring (3051) and the second support ring (3052) are fixedly connected through bolts;
The lower support rod (306) is divided into two sections, the two sections of lower support rods (306) are fixedly connected with the first support ring (3051) and the second support ring (3052) respectively, a fixed clamping groove (307) is formed in the inner side of each section of second support ring (3052), a fixed clamping block (203) is fixedly connected to the upper end of a piston of the lifting oil cylinder (202), and the fixed clamping blocks (203) are mutually clamped and connected with the fixed clamping grooves (307);
An annular first saw tooth (204) is machined on the lower end face of the top drive gearbox (2), an annular second saw tooth (308) is machined on the upper end face of the rotary gear (301), the first saw tooth (204) and the second saw tooth (308) are mutually embedded, and an annular felt pad (17) is arranged between the first saw tooth (204) and the second saw tooth (308);
The anti-blowout rotary joint is characterized in that an anti-blowout stand column (4) is arranged below the top-drive rotary joint (3), a back-up wrench head (5) is arranged below the anti-blowout stand column (4), two groups of lifting lugs (6) are symmetrically arranged on two sides of the top-drive rotary joint (3), the lifting lugs (6) are movably connected with a drill rod elevator (8) through a lifting ring connecting rod (7), a guide rail sliding block (10) is movably connected on one side of the top-drive rotary joint (3), two groups of back-up wrench adjusting oil cylinders (12) are arranged between the top-drive rotary joint (3) and the back-up wrench head (5), a hollow main shaft (13) is arranged in the top-drive gearbox (2), a slurry pipeline (15) is connected to the upper end of the hollow main shaft (13) in a rotating mode through a rotary joint (14), and a vibration prevention mechanism (16) is arranged on the top-drive gearbox (2).
2. The marine survey top drive apparatus of claim 1, wherein: the top drive rotary joint (3) is rotationally connected with a guide rail sliding block (10) through an angle adjusting shaft (9), an angle adjusting oil cylinder (11) is connected between the lower end of the guide rail sliding block (10) and the top drive rotary joint (3), the bottom end of a cylinder body of the angle adjusting oil cylinder (11) is rotationally connected with the lower end of the guide rail sliding block (10), and the upper end of a piston of the angle adjusting oil cylinder (11) is rotationally connected with the top drive rotary joint (3).
3. The marine survey top drive apparatus of claim 1, wherein: the annular felt pad (17) is composed of one or more of cotton, flax and wool fibers, the annular felt pad (17) is soaked with lubricating oil, a sealing sleeve (309) is arranged on the periphery of the second saw teeth (308), and a sealing ring (310) is arranged on the inner side of the upper end of the sealing sleeve (309) so that sealing is kept between the sealing sleeve (309) and the top drive gearbox (2).
4. The marine survey top drive apparatus of claim 1, wherein: the vibration prevention mechanism (16) comprises a vertical vibration prevention hammer (1601) and a horizontal vibration prevention hammer (1602), wherein the vertical vibration prevention hammer (1601) is arranged vertically, and the horizontal vibration prevention hammer (1602) is arranged horizontally.
5. The marine survey top drive apparatus of claim 1, wherein: the novel automatic cleaning device is characterized in that three groups of gear cleaning brushes (18) are arranged around the rotating gear (301), each gear cleaning brush (18) comprises a supporting rod (1801), each supporting rod (1801) is fixedly connected to the lower portion of the top drive gearbox (2), an arc-shaped fixing strip (1802) is fixedly connected to the lower end of each supporting rod (1801), and replaceable brush heads (1803) are fixedly connected to the inner sides of the arc-shaped fixing strips (1802) through bolts.
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Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006059153A1 (en) * | 2004-11-30 | 2006-06-08 | Varco I/P, Inc. | Top drive unit, pipe gripping device and method of drilling a wellbore |
| CN101949258A (en) * | 2010-09-16 | 2011-01-19 | 于亚鹏 | New gear speed reducer for top drive of petroleum drilling machine |
| CN202706908U (en) * | 2012-08-24 | 2013-01-30 | 北京普世科石油机械新技术有限公司 | Top drive well drilling device for petroleum drilling machine |
| CN103016690A (en) * | 2012-12-26 | 2013-04-03 | 中国石油集团长城钻探工程有限公司顶驱技术分公司 | Split-type gear box of top drive drilling system |
| KR20130051666A (en) * | 2011-11-10 | 2013-05-21 | 현대중공업 주식회사 | Drill ship having wind turbine |
| KR20140021099A (en) * | 2012-08-07 | 2014-02-20 | 은광산업 주식회사 | Structure of top drive system |
| CN104389514A (en) * | 2014-11-15 | 2015-03-04 | 吉林大学 | High-speed large-torque full-hydraulic top drive well-drilling device |
| CN108691507A (en) * | 2018-07-05 | 2018-10-23 | 上海兰石重工机械有限公司 | A kind of drilling machine top-drive drilling |
| CN112483002A (en) * | 2020-12-08 | 2021-03-12 | 黑龙江景宏石油设备制造有限公司 | Top drive casing running device |
| CN115324475A (en) * | 2022-07-14 | 2022-11-11 | 中交公路规划设计院有限公司 | Top drive system for core drilling in marine engineering investigation |
| CN115324476A (en) * | 2022-07-14 | 2022-11-11 | 中交公路规划设计院有限公司 | Double-channel replaceable pipe washing mechanism for marine top drive |
| CN115584925A (en) * | 2022-09-28 | 2023-01-10 | 中地装(北京)科学技术研究院有限公司 | Drilling top drive system |
| CN218439203U (en) * | 2022-09-28 | 2023-02-03 | 中地装(北京)科学技术研究院有限公司 | Drilling top drive rotating head |
| CN218440539U (en) * | 2022-09-28 | 2023-02-03 | 中地装(北京)科学技术研究院有限公司 | Top drive gear box and drilling top drive device |
| CN219492231U (en) * | 2023-03-06 | 2023-08-08 | 黑龙江景宏石油设备制造有限公司 | Ocean exploration top drive device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017190121A2 (en) * | 2016-04-29 | 2017-11-02 | Schlumberger Technology Corporation | Retractable top drive with torque tube |
| US10844704B2 (en) * | 2018-11-15 | 2020-11-24 | Sanvean Technologies Llc | Surface recognition and downlink receiver |
-
2024
- 2024-03-12 CN CN202410277847.8A patent/CN117868671B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006059153A1 (en) * | 2004-11-30 | 2006-06-08 | Varco I/P, Inc. | Top drive unit, pipe gripping device and method of drilling a wellbore |
| CN101949258A (en) * | 2010-09-16 | 2011-01-19 | 于亚鹏 | New gear speed reducer for top drive of petroleum drilling machine |
| KR20130051666A (en) * | 2011-11-10 | 2013-05-21 | 현대중공업 주식회사 | Drill ship having wind turbine |
| KR20140021099A (en) * | 2012-08-07 | 2014-02-20 | 은광산업 주식회사 | Structure of top drive system |
| CN202706908U (en) * | 2012-08-24 | 2013-01-30 | 北京普世科石油机械新技术有限公司 | Top drive well drilling device for petroleum drilling machine |
| CN103016690A (en) * | 2012-12-26 | 2013-04-03 | 中国石油集团长城钻探工程有限公司顶驱技术分公司 | Split-type gear box of top drive drilling system |
| CN104389514A (en) * | 2014-11-15 | 2015-03-04 | 吉林大学 | High-speed large-torque full-hydraulic top drive well-drilling device |
| CN108691507A (en) * | 2018-07-05 | 2018-10-23 | 上海兰石重工机械有限公司 | A kind of drilling machine top-drive drilling |
| CN112483002A (en) * | 2020-12-08 | 2021-03-12 | 黑龙江景宏石油设备制造有限公司 | Top drive casing running device |
| CN115324475A (en) * | 2022-07-14 | 2022-11-11 | 中交公路规划设计院有限公司 | Top drive system for core drilling in marine engineering investigation |
| CN115324476A (en) * | 2022-07-14 | 2022-11-11 | 中交公路规划设计院有限公司 | Double-channel replaceable pipe washing mechanism for marine top drive |
| CN115584925A (en) * | 2022-09-28 | 2023-01-10 | 中地装(北京)科学技术研究院有限公司 | Drilling top drive system |
| CN218439203U (en) * | 2022-09-28 | 2023-02-03 | 中地装(北京)科学技术研究院有限公司 | Drilling top drive rotating head |
| CN218440539U (en) * | 2022-09-28 | 2023-02-03 | 中地装(北京)科学技术研究院有限公司 | Top drive gear box and drilling top drive device |
| CN219492231U (en) * | 2023-03-06 | 2023-08-08 | 黑龙江景宏石油设备制造有限公司 | Ocean exploration top drive device |
Non-Patent Citations (2)
| Title |
|---|
| 海洋钻修机采用顶驱装置的可行性研究;赵志丽, 张天福, 王正武;石油机械;20020925(09);全文 * |
| 深水工程勘察船钻机研制;王维旭;蒋卫焱;车铁军;李洪波;;石油机械;20111010(10);全文 * |
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