CN108086991B - Novel driving system of marine wind power rock-socketed pile construction heading machine - Google Patents
Novel driving system of marine wind power rock-socketed pile construction heading machine Download PDFInfo
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- CN108086991B CN108086991B CN201711442735.XA CN201711442735A CN108086991B CN 108086991 B CN108086991 B CN 108086991B CN 201711442735 A CN201711442735 A CN 201711442735A CN 108086991 B CN108086991 B CN 108086991B
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- planetary gear
- seal
- grease
- bearing
- pinions
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- 238000010276 construction Methods 0.000 title claims abstract description 15
- 239000002002 slurry Substances 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 28
- 239000004519 grease Substances 0.000 claims description 24
- 239000004576 sand Substances 0.000 claims description 8
- 239000002689 soil Substances 0.000 claims description 8
- 238000003754 machining Methods 0.000 claims description 7
- 230000001050 lubricating effect Effects 0.000 claims description 4
- 238000005553 drilling Methods 0.000 abstract description 11
- 239000011435 rock Substances 0.000 description 7
- 230000005641 tunneling Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000005255 carburizing Methods 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 239000008358 core component Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1086—Drives or transmissions specially adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Wind Motors (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a novel driving system of a marine wind power rock-socketed pile construction heading machine, which comprises six driving planetary gear motors and a main bearing box, wherein the driving planetary gear motors comprise variable frequency motors and planetary gear boxes, and the main bearing box comprises six pinions, a large gear, a thrust spherical roller bearing, a full-complement cylindrical roller bearing, a main shaft, a box body and a thrust spherical roller. The invention has the advantages that: a novel driving system for a marine wind power rock-socketed pile construction heading machine can meet the requirement of pressurized drilling, and integrates gear transmission, bearing and slurry and air channels.
Description
Technical Field
The invention relates to the field of rock-socketed pile construction, in particular to a novel driving system of a marine wind power rock-socketed pile construction heading machine.
Background
The large-diameter embedded rock pile of the offshore wind power foundation can meet some and complex geological conditions in the construction process, and particularly under the condition that the uniaxial compressive strength of the rock exceeds 100Mpa in the construction of individual super-hard bedrock pile positions, the construction of the embedded rock pile can only be used for forming holes through a drilling method. Currently, a large-torque vertical tunneling machine for pressurized drilling is not available internationally, and a driving system of the tunneling machine is a key core component of the tunneling machine.
When the driving system of the rock-socketed pile construction heading machine works, the driving system bears the reactive torque from a cutterhead, simultaneously bears all the gravity of a hanging drilling tool below the driving system and bears the axial force generated during pressurized drilling; in addition, the driving part is also a down-conveying channel of compressed air and an up-returning channel of drilling mud. When tunneling different strata, the hardness degree of the rock is different, so the load born by the driving part is changed during tunneling, and the drill rod is in pure rigid connection with the driving part, so a flexible joint is not arranged in the middle, and the driving part bears a strong impact load during working.
Disclosure of Invention
The invention aims to solve the technical problem of providing a novel driving system of a marine wind power rock-socketed pile construction tunneling machine capable of meeting pressurized drilling.
In order to solve the technical problems, the technical scheme of the invention is as follows: a novel driving system of a marine wind power rock-socketed pile construction heading machine is characterized in that: the planetary gear motor comprises a variable frequency motor and a planetary gear box, and the main bearing box comprises six pinions, a large gear, a thrust spherical roller bearing, a full-complement cylindrical roller bearing, a main shaft, a box body and a thrust spherical roller.
Further, the output end of the driving planetary gear motor is provided with an internal spline, the pinion shaft is provided with an external spline meshed with the internal spline, six pinions are driven by the periphery of the six driving planetary gear motors, and the pinions are meshed with the large gears.
Furthermore, 4 bearings are arranged on the output shaft, 2 full-load cylindrical roller bearings which bear radial force are respectively arranged on the upper part and the lower part, a certain gap is reserved between the outer ring of the 2 thrust spherical roller bearings and the box body hole, and the outer ring of the bearing floats.
Further, the power transmission mode is that six variable frequency motors drive six planetary gear boxes to form six motor gear driving units, the six driving units are respectively connected with six pinions through splines, the periphery of each of the six pinions drives a large gear, and the large gears and an output shaft output power to a drill rod and a cutter head through bolts and pins.
Furthermore, a mode of combining a high-strength bolt and a cylindrical pin is adopted between the driving part and the short drill rod, 17CrNiMo6 carburizing and quenching is adopted as a material of the pin shaft, the hardness is 55-60 HRC, and the finish machining adopts haok energy machining.
Further, the sealing of the compressed air descending channel adopts a combination mode of DR115 and DR105, each group comprises 2 rotating sealing rings of DR115, the compressed air sealing rings of DR105 are 1, and a group of sealing is respectively arranged at two sides of the compressed air cavity.
Furthermore, the deslagging slurry seal adopts 6 channels of combined seals, the first channel is a labyrinth seal, EP2 grease is injected from a P0 port during operation, the overflow of gaps of a grease hole labyrinth prevents slurry from entering, the second channel, the third channel and the fourth channel are formed by three channels of soil sand sealing rings, grease cavities are arranged in front of each channel of sealing rings, EP2 grease is injected from P11, P21 and P31 ports during operation respectively for lubricating soil sand sealing lips, meanwhile, the injected grease can also discharge micro-leakage slurry from P12, P22 and P32 ports, whether the grease discharged through a discharge port regularly contains slurry or not is judged, and whether the seal is normal or not is judged, and the fifth channel and the sixth channel of the seal are DR115 sealing rings.
The invention has the advantages that:
(1) A novel driving system for a marine wind power rock-socketed pile construction heading machine can meet the requirement of pressurized drilling, and integrates gear transmission, bearing and slurry and air channels.
(2) The output shaft is provided with 4 bearings, 2 full-load cylindrical roller bearings bearing radial force, and a thrust spherical roller bearing is arranged at the upper part and the lower part respectively, so that two working conditions of drilling by means of self weight of a drilling tool and pressurized drilling are met.
(3) In order to prevent the over-positioning of the bearing, a certain gap is needed between the outer ring of the 2 thrust spherical roller bearings and the box body hole, and the outer ring of the bearing floats, so that the impact and vibration generated during rock breaking can be better borne.
(4) The driving part and the short drill rod adopt a mode of combining and connecting a high-strength bolt and a cylindrical pin, the bolt can transmit a small part of torque while bearing axial force, and the pin shaft transmits a large part of torque. The material of the pin shaft is 17CrNiMo6 carburized and quenched, the hardness is 55-60 HRC, and the final finish machining adopts haok energy machining, so that the fatigue strength of the pin shaft is effectively improved.
(5) The sealing of the compressed air descending channel adopts a combination mode of DR115 and DR105, each group comprises 2 rotating sealing rings of DR115, 1 compressed air sealing ring of DR105, and two groups of sealing are respectively arranged at two sides of the compressed air cavity. The sealing ring is made of PTFE material with good self-lubricating performance, so that abrasion of the sealing ring in the use process is reduced, and the service life of the sealing member is prolonged. The shaft end matched with the sealing piece is subjected to surface chromium plating treatment, the hardness is more than 800HV, and superfine grinding is carried out after chromium plating, so that the abrasion of the shaft is reduced after the treatment, and the sealing reliability is improved.
(5) The deslagging slurry seal adopts 6 combined seals, the first seal is a labyrinth seal, EP2 grease is injected from a P0 port in operation, the overflow of gaps of a grease hole labyrinth prevents slurry from entering, the second seal, the third seal and the fourth seal are formed by three soil sand seals, grease cavities are arranged in front of each seal, EP2 grease is injected from P11, P21 and P31 ports in operation respectively for lubricating soil sand seal lips, and meanwhile, the injected grease can also discharge a trace amount of leaked slurry from P12, P22 and P32 ports, and whether the grease discharged through a discharge port regularly contains slurry or not is judged to be normal or not. And the fifth and sixth seals are DR115 sealing rings, so that the sealing reliability is enhanced.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic view of the bearing installation of the present invention.
FIG. 3 is a schematic view of the seal ring installation of the present invention.
FIG. 4 is a schematic view of the sealed installation of the deslagging slurry of the invention.
Detailed Description
The following examples will provide those skilled in the art with a more complete understanding of the present invention and are not intended to limit the invention to the embodiments described.
As shown in fig. 1, the novel driving system of the marine wind power rock-socketed pile construction heading machine comprises six driving planetary gear motors and a main bearing box, wherein the driving planetary gear motors comprise variable frequency motors 1 and planetary gear boxes 2, and the main bearing box comprises six pinions 3, a large gear 4, a thrust spherical roller bearing 5, a full-complement cylindrical roller bearing 6, a main shaft 7, a box body 8 and a thrust spherical roller 9. The compressed air is conveyed down the compressed air down-feed channel, and then rock debris from cutting rock is conveyed up the mud up-feed channel.
The output end of the driving planetary gear motor is provided with an internal spline, the pinion shaft is provided with an external spline meshed with the internal spline, six driving planetary gear motors are circumferentially driven by six pinions 3, and the pinions 3 are meshed with a large gear 4.
As shown in fig. 2,4 bearings are arranged on the output shaft, 2 full-load cylindrical roller bearings 6 bearing radial force, a thrust spherical roller bearing 5 is respectively arranged on the upper part and the lower part, a certain gap is reserved between the outer ring of the 2 thrust spherical roller bearings 5 and the box body hole, and the outer ring of the bearing floats.
The power transmission mode is that six variable frequency motors 1 drive six planetary gear boxes 2 to form six motor gear driving units, the six driving units are respectively connected with six pinions 3 through splines, the periphery of each of the six pinions 3 drives a large gear 4, and the large gears 4 and an output shaft output power to a drill rod and a cutter head through bolts and pins.
The driving part and the short drill rod are connected in a mode of combining a high-strength bolt and a cylindrical pin, 17CrNiMo6 carburizing and quenching is adopted as a material of the pin shaft, the hardness is 55-60 HRC, and the finish machining adopts haok energy machining.
As shown in fig. 3, the sealing of the compressed air down-conveying channel adopts a combination of two sealing rings of DR115 and DR105, each group of rotary sealing rings 10 containing 2 DR115, and 1 compressed air sealing ring 11 of DR105, and a group of sealing is respectively arranged at two sides of the compressed air cavity 12.
As shown in fig. 4, the deslagging slurry seal adopts 6 channels of combined seals, the first channel is a labyrinth seal 13, EP2 grease is injected from a P0 port during operation, gaps of a grease hole labyrinth overflow to prevent slurry from entering, the second channel, the third channel and the fourth channel are formed by three channels of soil sand seal rings 14, grease cavities are arranged in front of each channel of seal rings, EP2 grease is injected from P11, P21 and P31 ports during operation respectively for lubricating soil sand seal lips, meanwhile, the injected grease can also discharge micro-leakage slurry from P12, P22 and P32 ports, whether the grease discharged through a discharge port periodically contains the slurry or not is judged, and whether the seal is normal or not is judged, and the fifth channel and the sixth channel are DR115 seal rings 15.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (1)
1. Novel marine wind power rock-socketed pile construction entry driving system, its characterized in that: the planetary gear motor comprises a variable frequency motor and a planetary gear box, and the main bearing box comprises six pinions, a large gear, a thrust spherical roller bearing, a full-complement cylindrical roller bearing, a main shaft, a box body and a thrust spherical roller;
the output end of the driving planetary gear motor is provided with an internal spline, the pinion shaft is provided with an external spline meshed with the internal spline, six pinions are driven by the periphery of the six driving planetary gear motors, and the pinions are meshed with the large gears;
The main shaft is provided with 4 bearings, 2 full-load cylindrical roller bearings bearing radial force, a thrust spherical roller bearing is respectively arranged on the upper part and the lower part, a certain gap is reserved between the outer ring of the 2 thrust spherical roller bearings and a box body hole, and the outer ring of the bearing floats;
The power transmission mode is that six variable frequency motors drive six planetary gear boxes to form six driving planetary gear motors, six driving units are respectively connected with six pinions through splines, the peripheries of the six pinions drive large gears, and the large gears and the main shaft output power to the drill rod and the cutter head through bolts and pin shafts;
The spindle and the short drill rod are connected by adopting a high-strength bolt and pin shaft combination mode, the pin shaft is made of 17CrNiMo6 carburized and quenched, the hardness is 55-60 HRC, and the finish machining is realized by adopting Haok energy;
the sealing of the compressed air descending channel adopts a combination mode of DR115 and DR105, each group comprises 2 rotating sealing rings of DR115, 1 compressed air sealing ring of DR105, and two sides of the compressed air cavity are respectively provided with a group of sealing;
The deslagging slurry seal adopts 6 combined seals, the first seal is a labyrinth seal, EP2 grease is injected from a P0 port in operation, the overflow of gaps of a grease hole labyrinth prevents slurry from entering, the second, third and fourth seals are formed by three soil sand seal rings, grease cavities are arranged in front of each seal ring, EP2 grease is injected from P11, P21 and P31 ports in operation respectively for lubricating soil sand seal lips, meanwhile, the injected grease can also discharge a trace amount of leaked slurry from P12, P22 and P32 ports, whether the grease discharged from a discharge port contains slurry or not is judged regularly, and whether the seal is normal or not is judged, and the fifth and sixth seals are DR115 seal rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711442735.XA CN108086991B (en) | 2017-12-27 | 2017-12-27 | Novel driving system of marine wind power rock-socketed pile construction heading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711442735.XA CN108086991B (en) | 2017-12-27 | 2017-12-27 | Novel driving system of marine wind power rock-socketed pile construction heading machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108086991A CN108086991A (en) | 2018-05-29 |
| CN108086991B true CN108086991B (en) | 2024-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711442735.XA Active CN108086991B (en) | 2017-12-27 | 2017-12-27 | Novel driving system of marine wind power rock-socketed pile construction heading machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN108086991B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109812274B (en) * | 2019-02-27 | 2024-06-11 | 中交天和机械设备制造有限公司 | Rock-socketed drilling machine |
| CN109854721B (en) * | 2019-02-27 | 2023-09-08 | 中交天和机械设备制造有限公司 | Driving part of rock-socketed drilling machine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201090718Y (en) * | 2007-10-31 | 2008-07-23 | 重庆齿轮箱有限责任公司 | Top drive gear box for well drilling |
| CN208734338U (en) * | 2017-12-27 | 2019-04-12 | 上海振华重工集团(南通)传动机械有限公司 | A kind of novel offshore wind farm Pile development machine drive system |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101936130A (en) * | 2010-08-25 | 2011-01-05 | 湖南山河智能机械股份有限公司 | Rotary power head of cutting drill |
| CN101949258A (en) * | 2010-09-16 | 2011-01-19 | 于亚鹏 | New gear speed reducer for top drive of petroleum drilling machine |
| CN202391953U (en) * | 2011-11-23 | 2012-08-22 | 洛阳瑞成轴承有限责任公司 | Double-direction thrust self-aligning roller bearing |
| CN203022621U (en) * | 2012-12-30 | 2013-06-26 | 湖南泰达机械实业有限公司 | Novel dual planetary reduction box power head |
| CN103161473B (en) * | 2013-03-15 | 2015-07-08 | 上海盛运机械工程有限公司 | Slurry balance push bench cutter disk drive device |
| CN203961776U (en) * | 2014-06-27 | 2014-11-26 | 浙江中锐工程机械有限公司 | A kind of many drivings power traverse mechanism of rig |
| CN204140787U (en) * | 2014-10-24 | 2015-02-04 | 刘守进 | A kind of screw rod pile machine high pulling torque power head device |
| CN104389514B (en) * | 2014-11-15 | 2016-08-31 | 吉林大学 | The all-hydraulic top-drive drilling of high speed high pulling torque |
-
2017
- 2017-12-27 CN CN201711442735.XA patent/CN108086991B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201090718Y (en) * | 2007-10-31 | 2008-07-23 | 重庆齿轮箱有限责任公司 | Top drive gear box for well drilling |
| CN208734338U (en) * | 2017-12-27 | 2019-04-12 | 上海振华重工集团(南通)传动机械有限公司 | A kind of novel offshore wind farm Pile development machine drive system |
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| CN108086991A (en) | 2018-05-29 |
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