CN118242225B - A multi-head drive turning gear for wind turbine - Google Patents
A multi-head drive turning gear for wind turbine Download PDFInfo
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- CN118242225B CN118242225B CN202410499548.9A CN202410499548A CN118242225B CN 118242225 B CN118242225 B CN 118242225B CN 202410499548 A CN202410499548 A CN 202410499548A CN 118242225 B CN118242225 B CN 118242225B
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- 230000007246 mechanism Effects 0.000 claims abstract description 48
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 238000000926 separation method Methods 0.000 claims abstract description 4
- 210000001503 joint Anatomy 0.000 claims description 55
- 238000007789 sealing Methods 0.000 claims description 49
- 241001584775 Tunga penetrans Species 0.000 claims description 29
- 230000000670 limiting effect Effects 0.000 claims description 24
- 239000003638 chemical reducing agent Substances 0.000 claims description 20
- 238000005192 partition Methods 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 244000309464 bull Species 0.000 claims 1
- 238000003032 molecular docking Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000010248 power generation Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 97
- 230000008878 coupling Effects 0.000 description 8
- 238000010168 coupling process Methods 0.000 description 8
- 238000005859 coupling reaction Methods 0.000 description 8
- 239000010720 hydraulic oil Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/10—Assembly of wind motors; Arrangements for erecting wind motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/10—Assembly of wind motors; Arrangements for erecting wind motors
- F03D13/104—Rotor installation, e.g. installation of blades
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
Abstract
本发明涉及风力发电领域，具体是涉及一种风电机组多头驱动盘车，包括主体外壳、法兰连接盘、多头驱动组件、主动旋转机构、分离机构和轴接离合组件，多头驱动组件包括有行星传动机构和液压旋转机构，轴接离合组件包括有活动对接轴，本设备通过一组行星传动机构将动力作用于一个齿轮盘，避免了因动力不一致导致的多驱动齿轮不同步的问题，通过主动驱动组件对法兰连接盘进行任意且精确的角度调节，同时主动驱动组件在主体外壳底部空间不占用多余空间，沿连接轴轴向等距交叉设置的多路油路管组，使阻力桨在圆周转动过程中受到连续的油压推动，设备运作时将活动对接轴与发电机输入轴分离，减少了带动发电机转动造成的能源消耗。
The present invention relates to the field of wind power generation, and specifically to a multi-drive winch for a wind turbine, comprising a main casing, a flange connection plate, a multi-drive assembly, an active rotating mechanism, a separation mechanism and an axial clutch assembly, wherein the multi-drive assembly comprises a planetary transmission mechanism and a hydraulic rotating mechanism, and the axial clutch assembly comprises a movable docking shaft. The device applies power to a gear plate through a group of planetary transmission mechanisms, thereby avoiding the problem of asynchronism of multiple drive gears caused by inconsistent power, and performs arbitrary and precise angle adjustment of the flange connection plate through the active drive assembly. Meanwhile, the active drive assembly does not occupy any extra space at the bottom of the main casing, and a multi-channel oil pipe group is equidistantly and cross-arranged along the axial direction of the connecting shaft, so that the resistance propeller is continuously pushed by oil pressure during the circular rotation, and the movable docking shaft is separated from the input shaft of the generator when the device is in operation, thereby reducing the energy consumption caused by driving the generator to rotate.
Description
Technical Field
The invention relates to the field of wind power generation, in particular to a multi-head driving jigger of a wind turbine generator.
Background
Wind energy is increasingly gaining attention as a clean renewable energy source, and can be converted into electric energy through a wind generating set. The wind generating set comprises a tower, a cabin, an impeller, a gear box and a generator, wherein the tower is installed on the ground, the cabin is fixedly installed at the top end of the tower, the impeller is rotatably installed on the cabin, and the gear box and the generator are both installed in the cabin. The impeller comprises a hub and three blades, the three blades are arranged on the hub, the hub is connected with the input end of the gear box through a wind wheel shaft, and the output end of the gear box is connected with the generator through a generator shaft. The wind blows the impeller to rotate, and the impeller drives the generator to generate electricity through the gear box.
At present, need use jigger equipment drive wheel hub to rotate to appointed angle when installing the blade, jigger equipment is lifted to the cabin by lifting device in, jigger equipment articulates jigger main part through the counter-force arm on the base and fixes, jigger equipment passes through flange connection pad with jigger gear and the output shaft fixed connection of gear box, utilize counter-force arm jacking drive jigger main part rotation in the connection process, and then adjust flange connection pad angle and gear box output shaft, but this kind of mode exists counter-force arm and occupies more vertical space and jigger main part rotation angle limited not enough, the mode of generally adopting the many drive ends in the prior art drives jigger gear rotation simultaneously, a plurality of drive gears need keep synchronous when driving the jigger gear rotation, when the oil pipe of drive end is blocked and is caused hydraulic pressure not enough for example, the rotational speed and the moment of a plurality of drive gears are different, can cause negative effect even unable normal jigger to the drive jigger gear.
Disclosure of Invention
Based on the above, it is necessary to provide a multi-head driving jigger of a wind turbine generator aiming at the problems in the prior art.
In order to solve the problems in the prior art, the invention adopts the following technical scheme:
A multi-head driving jigger of a wind turbine generator comprises:
A main body housing;
The multi-head driving assembly is positioned in the main body shell and comprises a planetary transmission mechanism and a hydraulic rotating mechanism, the planetary transmission mechanism comprises a sun gear, a gear disc and a plurality of speed reducers which are uniformly distributed between the sun gear and the gear disc along the circumferential direction, the output end and the input end of each speed reducer are respectively meshed with the sun gear and the gear disc, the fixed point shaft of the gear disc is connected with the center of the inner side of the main body shell, one side of the sun gear is coaxially and fixedly connected with a flange connecting disc which extends out of the main body shell and is used for connecting fan blades, the flange connecting disc is connected with the fixed point shaft of the shell wall of the main body shell, the hydraulic rotating mechanism comprises a resistance paddle and a plurality of oil way tube groups which are used for pushing the resistance paddle to rotate, one side of the gear disc, which is far away from the sun gear, is fixedly sleeved on the outer end of the connecting shaft, all the oil way tube groups are uniformly distributed along the circumferential direction of the resistance paddle and are arranged at intervals along the axial direction of the resistance paddle;
the driving rotation assembly is arranged right below the multi-head driving assembly and is in transmission connection with the outer ring of the gear disc;
the separating mechanism is arranged at the side of the driving rotating component and is used for driving the driving rotating component to clutch with the gear plate;
The shaft connecting and separating assembly is arranged between the connecting shaft and the generator input shaft and comprises a movable butt joint shaft which can be in butt joint with the generator input shaft, and the other end of the movable butt joint shaft is coaxial and movably inserted into the connecting shaft;
the multi-head driving assembly further comprises a hydraulic assembly used for driving the hydraulic rotating mechanism to work, the hydraulic assembly is provided with an oil distribution pipe which is distributed to the movable butt joint shaft, and oil is drained to the movable connecting shaft through the oil distribution pipe to push the movable connecting shaft to be separated from the generator input shaft.
Further, the main body shell comprises a supporting frame, a first bearing, a second bearing and a supporting partition plate, wherein the supporting frame is used for fixing the speed reducer, the first bearing is connected with the flange connection disc in a shaft mode and is fixed on the shell wall of the main body shell, the supporting partition plate is fixedly arranged at the center of the inner side of the main body shell, the second bearing is connected with the gear disc in a shaft mode and is fixed on the supporting partition plate, the plurality of speed reducers comprise an input gear and an output gear, the input gear is meshed with an inner gear ring of the gear disc, and the output gear is meshed with an outer gear ring of the sun gear.
Further, initiative rotating assembly is including worm wheel, worm, gear motor, driving gear and driven gear, and the worm wheel cup joints on the connecting axle of gear wheel, and the worm is the horizontality setting in the worm wheel below, and gear motor level sets up in one side of main part shell bottom, and driven gear cup joints in the one end that the worm is close to gear motor, and driving gear cup joints on gear motor's output shaft and meshes with driven gear, main part shell shaping has the first spout that supplies the horizontal translation of worm.
Further, the hydraulic rotating mechanism further comprises a hydraulic diversion shell for installing the oil-way pipe group, and the hydraulic diversion shell is fixedly arranged on one side of the main body shell, which is close to the generator;
The resistance paddle comprises a central pipe column for fixedly sleeving a connecting shaft, a paddle for generating thrust and a plurality of round partition plates for axially dividing the hydraulic diversion shell into a plurality of oil temporary storage chambers, clamping grooves are formed in the outer edges of the paddle, and U-shaped sealing rings attached to the inner sides of the hydraulic diversion shell are arranged in the clamping grooves;
The oil circuit pipe sets and the oil temporary storage chamber are arranged in one-to-one correspondence, each oil circuit pipe set comprises an inclined oil inlet pipe and an inclined oil outlet pipe, the inclined oil inlet pipe and the inclined oil outlet pipe are arranged on the hydraulic diversion shell in a state that the axes face the top of the blade, and the adjacent oil circuit pipe sets are arranged in a crossed mode along the circumferential direction of the connecting shaft.
Further, the shaft connection and disconnection assembly further comprises a sleeve, a third bearing and a spring, wherein two ends of the sleeve are respectively connected with the generator input shaft and the connecting shaft through the third bearing, an annular limiting flange for limiting the movable butt joint shaft is formed on the inner wall of the sleeve, the spring is sleeved on the movable butt joint shaft, two ends of the spring are respectively connected with the movable butt joint shaft and the connecting shaft, and a unidirectional fluted disc is formed at the butt joint position of the movable butt joint shaft and the generator input shaft.
Further, the cylinder spout that supplies activity butt joint axle to remove and the oil inlet that is used for drainage fluid are formed on the telescopic inner wall, the circumferencial direction evenly distributed of cylinder spout is followed to the fluid export of oil inlet, annular limit flange shaping has first caulking groove, is provided with the first sealing washer that moves of laminating activity butt joint axle outer wall in the first caulking groove, the shaping has fixing spring's supporting ring on the outer wall of activity butt joint axle, and the outer fringe department shaping of supporting ring has the second caulking groove, is provided with the second that laminates the cylinder spout in the second caulking groove and moves the sealing washer.
Further, the movable butt joint shaft is inserted into the outer wall of the connecting shaft and is provided with a limiting chute, and the inner wall of the connecting shaft is provided with a limiting convex strip corresponding to the limiting chute.
Further, the hydraulic rotating mechanism further comprises a neck sealing ring, the neck sealing ring is sleeved at the joint of the hydraulic diversion shell and the connecting shaft, and a limiting ring which is tightly attached to the neck sealing ring is formed on the outer wall of the connecting shaft.
Further, the separating mechanism comprises a sliding table for fixing a gear motor, a short sliding rail for sliding table translation and an oil cylinder for pushing the sliding table to translate, wherein the short sliding rail is arranged on two sides of the main body shell, and a push rod of the oil cylinder is connected with the middle of the sliding table.
Compared with the prior art, the invention has the following beneficial effects:
firstly, the device applies power to a gear disc through a group of planetary transmission mechanisms, and then the gear disc synchronously drives a plurality of speed reducers, so that the problem of asynchronous multi-drive gears caused by inconsistent power is avoided;
Secondly, the driving component of the equipment can drive the gear disc to perform random and accurate angle adjustment on the flange connection disc, and meanwhile, the driving component is arranged below the multi-head driving component and is positioned at the bottom of the main body shell without occupying excessive space;
thirdly, the hydraulic rotating mechanism of the device enables the resistance paddle to be pushed by continuous oil pressure in the circumferential rotation process through a plurality of oil circuit tube groups which are axially and equidistantly arranged in a crossing way along the connecting shaft;
fourth, this equipment is connected jigger and generator input shaft through the hub connection separation subassembly, separates movable butt joint axle and generator input shaft when equipment starts, has reduced the energy consumption that drives the generator rotation and cause.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of a multi-head drive assembly of the present invention;
FIG. 3 is an exploded perspective view of the present invention;
FIG. 4 is a schematic perspective view of a planetary transmission of the present invention;
FIG. 5 is a schematic perspective view of an active rotation mechanism of the present invention;
FIG. 6 is an exploded perspective view of the hydraulic rotary mechanism of the present invention;
FIG. 7 is a side view of the present invention;
FIG. 8 is a cross-sectional view at A in FIG. 7;
FIG. 9 is an enlarged schematic view of the structure at B in FIG. 8;
FIG. 10 is an exploded perspective view of the coupling and decoupling assembly of the present invention;
The reference number in the figure is 1, the main body shell; 2, a support frame, 3, a first bearing, 4, a first sliding chute, 5, a supporting partition plate, 6, a second bearing, 7, a flange connection disc, 8, a multi-head driving assembly, 9, a planetary transmission mechanism, 10, a gear disc, 11, a connecting shaft, 12, a limit circular ring, 13, a limit convex strip, 14, a speed reducer, 15, an input gear, 16, an output gear, 17, a sun gear, 18, a hydraulic rotating mechanism, 19, a hydraulic diversion shell, 20, an oil pipe group, 21, an inclined oil outlet pipe, 22, an inclined oil inlet pipe, 23, a resistance paddle, 24, a circular partition plate, 25, an oil temporary storage chamber, 26, a central pipe column, 27, a paddle, 28, a clamping groove, 29, a U-shaped sealing ring, 30, a neck sealing ring, 31, a driving rotating assembly, 32, a worm gear, 33, a worm, 34, a driven gear, 35, a driving gear, 36, a speed reducing motor, 37, a separating mechanism, 38, a short sliding rail, 39, an oil cylinder, 40, a sliding table, 41, an axle coupling assembly, 42, a sleeve, 43, a cylindrical sliding chute, 44, an oil inlet, 45, an annular limiting groove, 46, a first movable sealing ring, 47, a first sealing ring, a second sealing ring, a movable sealing ring, a third sealing ring, a fourth sealing ring, a movable sealing ring, a fourth sealing ring, a fifth sealing ring, a fourth sealing ring, and a fifth sealing ring, a fourth sealing ring, and a fourth sealing ring.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
Referring to fig. 1-10:
A multi-head driving jigger of a wind turbine generator comprises:
a main body case 1;
The multi-head driving assembly 8 is positioned in the main body shell 1 and comprises a planetary transmission mechanism 9 and a hydraulic rotating mechanism 18, the planetary transmission mechanism 9 comprises a sun gear 17, a gear plate 10 and a plurality of speed reducers 14 which are uniformly distributed between the sun gear 17 and the gear plate 10 along the circumferential direction, the output end and the input end of each speed reducer 14 are respectively meshed with the sun gear 17 and the gear plate 10, the gear plate 10 is fixedly connected with the center of the inner side of the main body shell 1 at a fixed point, one side of the sun gear 17 is coaxially and fixedly connected with a flange connection plate 7 which extends out of the main body shell 1 and is used for connecting blades, the flange connection plate 7 is axially connected with the fixed point of the shell wall of the main body shell 1, the hydraulic rotating mechanism 18 comprises a resistance paddle 23 and a plurality of oil path tube groups 20 which are used for pushing the resistance paddle 23 to rotate, one side of the gear plate 10 away from the sun gear 17 is fixedly connected with a connecting shaft 11 which extends out of the main body shell 1, the resistance paddle 23 is fixedly sleeved on the outer end of the connecting shaft 11, all the oil path tube groups 20 are uniformly distributed along the circumferential direction of the resistance paddle 23, and the oil path tube groups 20 are axially arranged at intervals along the resistance paddle 23;
the driving rotation assembly 31 is arranged right below the multi-head driving assembly 8 and is in transmission connection with the outer ring of the gear disc 10;
the separating mechanism 37 is arranged beside the driving rotating component 31 and is used for driving the driving rotating component 31 to clutch with the gear disc 10;
The shaft coupling and coupling assembly 41 is arranged between the connecting shaft 11 and the input shaft of the generator, the shaft coupling and coupling assembly 41 comprises a movable butt joint shaft 49 which can be in butt joint with the input shaft of the generator, and the other end of the movable butt joint shaft 49 is coaxial and movably inserted into the connecting shaft 11.
Before the turning work of the equipment is carried out, the gear disc 10 is driven to rotate through the driving rotating assembly 31, the gear disc 10 synchronously drives the input ends of the plurality of speed reducers 14, the output ends of the speed reducers 14 synchronously drive the sun gear 17 to rotate, further the flange connecting disc 7 fixed on the sun gear 17 rotates, when the flange connecting disc 7 is aligned with the bolt hole on the output shaft of the gear box, the driving rotating assembly 31 stops, the flange connecting disc 7 is fixedly connected with the gear box, then the separating mechanism 37 at the side of the driving assembly is started, the driving rotating assembly 31 is separated from the gear disc 10, and the passive limiting effect of the driving rotating assembly 31 on the planetary transmission mechanism 9 is canceled. When the jigger starts to work, firstly, the hydraulic component passes through the oil dividing pipe to lead hydraulic oil into the oil way pipe group 20 and the shaft connecting and disconnecting component 41, the hydraulic oil pushes the resistance oar 23 to rotate, the resistance oar 23 drives the gear disc 10 to rotate, the planetary transmission mechanism 9 drives the flange connecting disc 7 to rotate, the flange connecting disc 7 drives the output shaft of the gear box to rotate, the gear in the gear box rotates to drive the wind wheel shaft and the hub to rotate, and meanwhile, the hydraulic oil led into the shaft connecting and disconnecting component 41 pushes the movable butt joint shaft 49 to be separated from the input shaft of the generator.
In order to make the planetary transmission mechanism 9 stably operate in the main body casing 1, the following features are specifically provided:
The main body shell 1 comprises a supporting frame 2 for fixing a speed reducer 14, a first bearing 3, a second bearing 6 and a supporting partition plate 5, wherein the first bearing 3 is connected with a flange connection disc 7 in a shaft mode and is fixed on the shell wall of the main body shell 1, the supporting partition plate 5 is fixedly arranged at the center of the inner side of the main body shell 1, the second bearing 6 is connected with a gear disc 10 in a shaft mode and is fixed on the supporting partition plate 5, the speed reducers 14 comprise an input gear 15 and an output gear 16, the input gear 15 is meshed with an inner gear ring of the gear disc 10, and the output gear 16 is meshed with an outer gear ring of a sun gear 17.
First, the first bearing 3 is fixed on the wall of the main body casing 1, so that the sun gear 17 is fixed on the wall of the main body casing 1, the supporting partition 5 can separate the planetary transmission mechanism 9 and the driving rotation mechanism in the main body casing 1, the second bearing 6 is fixed on the supporting partition 5, the gear disc 10 can rotate in the main body casing 1 at fixed points, the reducer 14 in transmission connection between the gear disc 10 and the sun gear 17 is fixed on the supporting frame 2 in the main body casing 1, and the input gear 15 and the output gear 16 at two ends of the reducer 14 are respectively meshed with the gear disc 10 and the sun gear 17, so that the whole planetary transmission mechanism 9 cannot fall off in the operation process.
In order for the active rotary assembly 31 to function as a drive flange connection disc 7, the following features are provided in particular:
The driving rotation assembly 31 comprises a worm wheel 32, a worm 33, a gear motor 36, a driving gear 35 and a driven gear 34, the worm wheel 32 is sleeved on the connecting shaft 11 of the gear disc 10, the worm 33 is horizontally arranged below the worm wheel 32, the gear motor 36 is horizontally arranged on one side of the bottom of the main body shell 1, the driven gear 34 is sleeved on one end of the worm 33, which is close to the gear motor 36, the driving gear 35 is sleeved on the output shaft of the gear motor 36 and meshed with the driven gear 34, and the main body shell 1 is provided with a first chute 4 for the worm 33 to transversely translate.
When the jigger equipment is in butt joint with the gear box, a speed reducing motor 36 is started, an output shaft of the speed reducing motor 36 drives a driving gear 35 to rotate, the driving gear 35 synchronously drives a driven gear 34 sleeved on a worm 33 to rotate, the worm 33 drives a worm wheel 32 to rotate, the worm wheel 32 can drive a gear disc 10 to rotate so as to enable a flange connection disc 7 to rotate, and a first sliding groove 4 on the main body shell 1 can enable the worm 33 to transversely translate and be separated from the worm wheel 32.
In order for the hydraulic rotary mechanism 18 to effectively drive the turning gear to operate, the following features are specifically provided:
The hydraulic rotating mechanism 18 further comprises a hydraulic diversion shell 19 for installing the oil-way pipe group 20, and the hydraulic diversion shell 19 is fixedly arranged on one side of the main body shell 1, which is close to the generator;
the resistance paddle 23 comprises a central pipe column 26 for fixedly sleeving the connecting shaft 11, a paddle 27 for generating thrust and a plurality of round partition plates 24 for axially dividing the hydraulic diversion shell 19 into a plurality of oil temporary storage chambers 25, clamping grooves 28 are formed in the outer edges of the paddle 27, and U-shaped sealing rings 29 attached to the inner sides of the hydraulic diversion shell 19 are arranged in the clamping grooves 28;
The oil circuit tube groups 20 and the oil temporary storage chambers 25 are arranged in one-to-one correspondence, each oil circuit tube group 20 comprises an inclined oil inlet tube 22 and an inclined oil outlet tube 21 with the same included angles of axes, the inclined oil inlet tube 22 and the inclined oil outlet tube 21 are arranged on the hydraulic diversion shell 19 in a state that the axes face the tops of the paddles 27, and the adjacent oil circuit tube groups 20 are arranged in a crossed mode along the circumferential direction of the connecting shaft 11.
The turning gear formally operates, divide oil pipe to let oil into multiunit oil circuit nest of tubes 20, oil gets into in the hydraulic pressure water conservancy diversion shell 19 respectively and is divided by circular division board 24 in the oil temporary storage room 25, because the exit end of slant oil feed pipe 22 is towards the top of paddle 27, oil promotes paddle 27 rotation more easily, U type sealing washer 29 on the paddle 27 can prevent the oil in the different oil temporary storage rooms 25 from mixing and the oil leakage in the hydraulic pressure water conservancy diversion shell 19, oil can leave the hydraulic pressure water conservancy diversion shell 19 and get back into the hydraulic pressure subassembly and form the return circuit when flowing to slant oil outlet pipe 21 along the circumferencial direction of hydraulic pressure water conservancy diversion shell 19, and adjacent oil circuit nest of tubes 20 is alternately set up along the circumferencial direction of connecting axle 11 and is made paddle 27 can be continued to promote paddle 27 rotation by the oil access of adjacent oil circuit nest of tubes 20, can guarantee that paddle 27 can uninterrupted receive the promotion of hydraulic oil in the in-process of a round of rotation.
In order to enable the shaft coupling and disengaging assembly 41 to be capable of being coupled and decoupled with the input shaft of the generator, the following features are specifically provided:
The shaft coupling and disengaging assembly 41 further comprises a sleeve 42, a third bearing 48 and a spring 55, two ends of the sleeve 42 are respectively connected with the generator input shaft and the connecting shaft 11 through the third bearing 48, an annular limiting flange 45 limiting the movable butt joint shaft 49 is formed on the inner wall of the sleeve 42, the spring 55 is sleeved on the movable butt joint shaft 49, two ends of the spring 55 are respectively connected with the movable butt joint shaft 49 and the connecting shaft 11, and a unidirectional fluted disc 53 is formed at the butt joint position of the movable butt joint shaft 49 and the generator input shaft.
The third bearings 48 fixedly arranged at the two ends of the sleeve 42 can enable the generator input shaft and the connecting shaft 11 to be coaxial at fixed points, the unidirectional fluted discs 53 respectively formed at the connecting positions of the generator input shaft and the movable butt joint shaft 49 can be matched for rotation and cannot be separated, when the movable butt joint shaft 49 and the connecting shaft 11 are connected through the springs 55, the movable butt joint shaft 49 and the generator input shaft are pushed to be in butt joint by the springs 55 to be completed when equipment is stopped, and meanwhile, the annular limiting flange 45 formed on the sleeve 42 can prevent the axial pressure of the movable butt joint shaft 49 on the generator input shaft, which is too large due to too large acting force of the springs 55.
In order to prevent the oil from leaking out of the movable butt shaft 49 and the sleeve 42, the following features are specifically provided:
The inner wall of the sleeve 42 is provided with a cylindrical chute 43 for the movable butt-joint shaft 49 to move and an oil inlet 44 for guiding oil, oil outlets of the oil inlet 44 are uniformly distributed along the circumferential direction of the cylindrical chute 43, the annular limiting flange 45 is provided with a first caulking groove 46, a first movable sealing ring 47 attached to the outer wall of the movable butt-joint shaft 49 is arranged in the first caulking groove 46, the outer wall of the movable butt-joint shaft 49 is provided with a supporting ring 50 provided with a fixed spring 55, the outer edge of the supporting ring 50 is provided with a second caulking groove 51, and a second movable sealing ring 52 attached to the cylindrical chute 43 is arranged in the second caulking groove 51.
When the device is in operation, the oil inlet 44 on the cylindrical chute 43 can guide oil into the sleeve 42, the supporting ring 50 and the inner wall of the sleeve 42 can form a chamber, the oil can enter the chamber to impact the supporting ring 50 to move in the cylindrical chute 43, and meanwhile, the second movable sealing ring arranged on the supporting ring 50 and the first movable sealing ring arranged on the annular limiting flange 45 can ensure that the oil can not leak when the oil pushes the movable butt joint shaft 49 to move in the sleeve 42.
In order to allow the movable docking shaft 49 to be inserted into the connecting shaft 11, the following features are specifically provided:
The movable butt shaft 49 is inserted into the outer wall of the connecting shaft 11 to form a limit chute 54, and the inner wall of the connecting shaft 11 is formed with a limit protruding strip 13 corresponding to the limit chute 54.
The inner wall of the connecting shaft 11 is provided with an axial limit convex strip 13, the outer wall of the movable butt-joint shaft 49 inserted into the connecting shaft 11 is provided with a limit chute 54 matched with the limit convex strip 13, the movable butt-joint shaft 49 can axially move in the connecting shaft 11, and meanwhile, when the connecting shaft 11 rotates, the movable butt-joint shaft 49 can be driven to synchronously rotate due to the fact that the limit convex strip 13 is inserted into the limit chute 54.
In order to prevent oil between the hydraulic diversion housing 19 and the connecting shaft 11 from leaking, the following features are specifically provided:
the hydraulic rotating mechanism 18 further comprises a neck sealing ring 30, the neck sealing ring 30 is sleeved at the joint of the hydraulic diversion shell 19 and the connecting shaft 11, and a limiting circular ring 12 which is tightly attached to the neck sealing ring 30 is formed on the outer wall of the connecting shaft 11.
The neck sealing ring 30 is sleeved at the joint of the hydraulic diversion shell 19 and the connecting shaft 11, when the paddle 27 rotates, the neck sealing ring 30 is pressed on one side of the hydraulic diversion shell 19, the other end of the neck sealing ring 30 is abutted by the limiting circular ring 12 on the connecting shaft 11, and the neck sealing ring 30 is subjected to micro deformation so that oil can not leak when the neck sealing ring 30 is abutted against the joint of the hydraulic diversion shell 19 and the connecting shaft 11.
In order to allow the worm 33 to be clutched to the worm wheel 32, the following features are specifically provided:
The separating mechanism 37 comprises a sliding table 40 for fixing the gear motor 36, a short sliding rail 38 for the sliding table 40 to translate and an oil cylinder 39 for pushing the sliding table 40 to translate, wherein the short sliding rail 38 is arranged on two sides of the main body shell 1, and a push rod of the oil cylinder 39 is connected with the middle of the sliding table 40.
After the flange connection disc 7 is in butt joint with the output shaft of the gear box, an oil cylinder 39 is started, a piston push rod of the oil cylinder 39 pushes a sliding table 40 to translate on a short sliding rail 38, the sliding table 40 drives a speed reducing motor 36 to transversely move with a worm 33, and the worm 33 is separated from a worm wheel 32.
Before turning, the device starts a gear motor 36, an output shaft of the gear motor 36 drives a driving gear 35 to rotate, the driving gear 35 synchronously drives a driven gear 34 sleeved on a worm 33 to rotate, the worm 33 drives a worm wheel 32 to rotate, the worm wheel 32 is fixedly sleeved on a connecting shaft 11 of a gear disc 10, the gear disc 10 follows rotation, an inner gear ring of the gear disc 10 is meshed with an input gear 15 of a speed reducer 14 to synchronously drive the input gear 15 to rotate, an output gear 16 of the speed reducer 14 is meshed with an outer gear ring of a sun gear 17 to synchronously drive the sun gear 17 to rotate, further, a flange connection disc 7 coaxially fixed on the sun gear 17 rotates, after the alignment and fixed connection of a bolt hole of the flange connection disc 7 and a bolt box input end is completed, the gear motor 36 stops, an oil cylinder 39 is started, a piston push rod of the oil cylinder 39 pushes a sliding table 40 to translate on a short sliding rail 38, and the sliding table 40 drives the gear motor 36 to transversely move with the worm 33, so that a driving rotary assembly 31 is separated from a multi-head driving assembly 8.
The turning gear formally operates, the hydraulic component leads oil into a plurality of groups of oil way pipe groups 20 through oil dividing pipes, the oil respectively enters an oil temporary storage chamber 25 in the hydraulic diversion shell 19, which is divided by a round division plate 24, as the outlet end of the oblique oil inlet pipe 22 faces to the top of the blade 27, according to the lever principle, the arm of force of the action point of the oil on the blade 27 is longer, the blade 27 is easier to be pushed to rotate, the oil leaves the hydraulic diversion shell 19 to return to the hydraulic component to form a loop when flowing to the oblique oil outlet pipe 21 along the circumferential direction of the hydraulic diversion shell 19, and the adjacent oil way pipe groups 20 are arranged in a crossed way along the circumferential direction of the connecting shaft 11, so that the blade 27 can be continuously pushed to rotate by the oil of the adjacent oil way pipe groups 20 before losing a group of oil pressure pushing, thereby ensuring that the blade 27 can be continuously pushed by the hydraulic oil in the process of one circle of rotation, the U-shaped sealing ring 29 on the blade 27 can prevent the oil in the temporary storage chamber 25 of different oil from being mixed, the neck sealing ring 30 is located on one side of the inside of the hydraulic diversion shell 19 and is abutted against the U-shaped sealing ring 29, the other side of the neck sealing ring 30 is abutted against the limiting ring 12 on the connecting shaft 11, when the blade 27 rotates, the neck sealing ring 30 and the U-shaped sealing ring 29 are rubbed to generate micro deformation so as to be tightly attached to the joint of the hydraulic diversion shell 19 and the connecting shaft 11, the oil is prevented from leaking, the blade 27 is fixedly sleeved on the connecting shaft 11, the gear disc 10 can be driven to rotate so as to drive the whole planetary transmission mechanism 9 to drive the flange connection disc 7 to rotate, the flange connection disc 7 is fixedly connected with the output shaft of the gear box, and the input shaft and the hub of the gear box are connected through the wind wheel shaft, and finally the driving wheel hub rotates.
When the jigger is started, oil is simultaneously input into the oil pipe group 20 and the oil inlet 44 of the sleeve 42 by the oil distribution pipe of the hydraulic component, the oil in the oil inlet 44 enters the sleeve 42 to impact the supporting ring 50 of the movable butt joint shaft 49 to enable the supporting ring to axially move and separate from the generator input shaft, meanwhile, the second movable sealing ring 52 arranged on the supporting ring 50 and the first movable sealing ring 47 arranged on the annular limiting flange 45 can ensure that the oil can not leak when the movable butt joint shaft 49 is pushed to move in the sleeve 42, after the jigger is finished, the spring 55 pushes the movable butt joint shaft 49 to be in butt joint with the generator input shaft, meanwhile, the annular limiting flange 45 formed on the sleeve 42 can prevent the spring 55 from applying excessive force to cause the movable butt joint shaft 49 to apply excessive axial pressure to the generator input shaft, and when the fan blade rotates, the connecting shaft 11 is driven to rotate through the gear box and the planetary transmission mechanism 9, and the movable butt joint shaft 49 can be driven to synchronously rotate through the insertion of the limiting raised strips 13 into the limiting slide grooves 54, and the movable butt joint shaft 49 is driven to rotate through the unidirectional fluted disc 53 to be meshed with the movable butt joint shaft 49 to drive the generator input shaft.
The foregoing invention has been described in some detail by way of illustration of one or more embodiments of the invention, which are not to be construed as limitations of the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (7)
1. The utility model provides a wind turbine generator system bull drive jigger which characterized in that includes:
a main body case (1);
The multi-head driving assembly (8) is positioned in the main body shell (1) and comprises a planetary transmission mechanism (9) and a hydraulic rotating mechanism (18), the planetary transmission mechanism (9) comprises a sun gear (17), a gear disc (10) and a plurality of speed reducers (14) which are uniformly distributed between the sun gear (17) and the gear disc (10) along the circumferential direction, the output end and the input end of each speed reducer (14) are respectively meshed with the sun gear (17) and the gear disc (10), the gear disc (10) is fixedly connected with the center of the inner side of the main body shell (1) in a fixed point mode, one side of the sun gear (17) is coaxially and fixedly connected with a connecting disc (7) which extends out of the main body shell (1) and is used for connecting a fan blade, the flange connecting disc (7) is in fixed point shaft connection with the shell wall of the main body shell (1), the hydraulic rotating mechanism (18) comprises a resistance paddle (23) and a plurality of oil way pipe groups (20) which are used for pushing the resistance paddle (23) to rotate, one side of the gear disc (10) away from the sun gear (17) is fixedly connected with a connecting shaft (11) which extends out of the main body shell (1), one side of the resistance paddle (23) is fixedly connected with the connecting shaft (11), all the oil circuit tube groups (20) are uniformly distributed along the circumferential direction of the resistance paddle (23), and the oil circuit tube groups (20) are arranged at intervals along the axial direction of the resistance paddle (23);
The driving rotation assembly (31) is arranged right below the multi-head driving assembly (8) and is in transmission connection with the outer ring of the gear disc (10);
the separating mechanism (37) is arranged at the side of the driving rotating component (31) and is used for driving the driving rotating component (31) to clutch with the gear disc (10);
the shaft connection and separation assembly (41) is arranged between the connecting shaft (11) and the input shaft of the generator, the shaft connection and separation assembly (41) comprises a movable butt joint shaft (49) which can be in butt joint with the input shaft of the generator, and the other end of the movable butt joint shaft (49) is coaxial and movably inserted into the connecting shaft (11);
The multi-head driving assembly (8) further comprises a hydraulic assembly for driving the hydraulic rotating mechanism (18) to work, the hydraulic assembly is provided with an oil distribution pipe which is distributed to the movable butt joint shaft (49), and oil is led to the movable connecting shaft (11) through the oil distribution pipe to push the movable connecting shaft (11) to be separated from the generator input shaft;
the main body shell (1) comprises a supporting frame (2) for fixing a speed reducer (14), a first bearing (3), a second bearing (6) and a supporting partition plate (5), wherein the first bearing (3) is connected with a flange connection disc (7) in a shaft mode and is fixed on the shell wall of the main body shell (1), the supporting partition plate (5) is fixedly arranged at the center of the inner side of the main body shell (1), the second bearing (6) is connected with a gear disc (10) in a shaft mode and is fixed on the supporting partition plate (5), a plurality of speed reducers (14) comprise an input gear (15) and an output gear (16), the input gear (15) is meshed with an inner gear ring of the gear disc (10), and the output gear (16) is meshed with an outer gear ring of a sun gear (17);
The driving rotation assembly (31) comprises a worm wheel (32), a worm (33), a gear motor (36), a driving gear (35) and a driven gear (34), wherein the worm wheel (32) is sleeved on a connecting shaft (11) of a gear disc (10), the worm (33) is horizontally arranged below the worm wheel (32), the gear motor (36) is horizontally arranged on one side of the bottom of the main body shell (1), the driven gear (34) is sleeved at one end, close to the gear motor (36), of the worm (33), the driving gear (35) is sleeved on an output shaft of the gear motor (36) and meshed with the driven gear (34), and the main body shell (1) is formed with a first chute (4) for the worm (33) to horizontally translate.
2. The multi-head driving jigger of a wind turbine generator according to claim 1, wherein the hydraulic rotating mechanism (18) further comprises a hydraulic diversion shell (19) for installing an oil-way pipe group (20), and the hydraulic diversion shell (19) is fixedly arranged at one side of the main body shell (1) close to the generator;
The resistance paddle (23) comprises a central tubular column (26) for fixedly sleeving the connecting shaft (11), a paddle (27) for generating thrust and a plurality of round partition plates (24) for axially dividing the hydraulic diversion shell (19) into a plurality of oil temporary storage chambers (25), clamping grooves (28) are formed in the outer edges of the paddle (27), and U-shaped sealing rings (29) attached to the inner sides of the hydraulic diversion shell (19) are arranged in the clamping grooves (28);
the oil way pipe group (20) and the oil temporary storage chamber (25) of a plurality of are set up in one-to-one correspondence, and every oil way pipe group (20) all include slant oil feed pipe (22) and slant oil outlet pipe (21) that the axis contained angle is unanimous, and slant oil feed pipe (22) and slant oil outlet pipe (21) all set up on hydraulic pressure water conservancy diversion shell (19) with the state that the axis was towards paddle (27) top, and adjacent oil way pipe group (20) are along the circumferencial direction cross arrangement of connecting axle (11).
3. The multi-head driving jigger of a wind turbine generator system according to claim 2, characterized in that the shaft connecting and disconnecting assembly (41) further comprises a sleeve (42), a third bearing (48) and a spring (55), two ends of the sleeve (42) are respectively connected with the input shaft of the generator and the connecting shaft (11) through the third bearing (48), an annular limiting flange (45) limiting the movable butt joint shaft (49) is formed on the inner wall of the sleeve (42), the spring (55) is sleeved on the movable butt joint shaft (49), two ends of the spring (55) are respectively connected with the movable butt joint shaft (49) and the connecting shaft (11), and unidirectional fluted discs (53) are respectively formed at the butt joint positions of the movable butt joint shaft (49) and the input shaft of the generator.
4. The multi-head driving jigger of the wind turbine generator system according to claim 3, characterized in that a cylindrical chute (43) for moving the movable butt joint shaft (49) and an oil inlet (44) for guiding oil are formed on the inner wall of the sleeve (42), oil outlets of the oil inlet (44) are uniformly distributed along the circumferential direction of the cylindrical chute (43), a first caulking groove (46) is formed in the annular limiting flange (45), a first movable sealing ring (47) attached to the outer wall of the movable butt joint shaft (49) is arranged in the first caulking groove (46), a supporting ring (50) for fixing a spring (55) is formed on the outer wall of the movable butt joint shaft (49), a second caulking groove (51) is formed at the outer edge of the supporting ring (50), and a second movable sealing ring (52) attached to the cylindrical chute (43) is arranged in the second caulking groove (51).
5. The multi-head driving jigger of a wind turbine generator system according to claim 4, wherein the movable butt joint shaft (49) is inserted into the outer wall of the connecting shaft (11) to form a limit chute (54), and the inner wall of the connecting shaft (11) is formed with a limit convex strip (13) corresponding to the limit chute (54).
6. The multi-head driving jigger of a wind turbine generator system according to claim 5, wherein the hydraulic rotating mechanism (18) further comprises a neck sealing ring (30), the neck sealing ring (30) is sleeved at the joint of the hydraulic diversion shell (19) and the connecting shaft (11), and a limiting ring (12) which is tightly attached to the neck sealing ring (30) is formed on the outer wall of the connecting shaft (11).
7. The multi-head driving jigger of a wind turbine generator system according to claim 1, wherein the separating mechanism (37) comprises a sliding table (40) for fixing a gear motor (36), a short sliding rail (38) for enabling the sliding table (40) to translate and an oil cylinder (39) for pushing the sliding table (40) to translate, the short sliding rail (38) is arranged on two sides of the main body shell (1), and a push rod of the oil cylinder (39) is connected with the middle of the sliding table (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410499548.9A CN118242225B (en) | 2024-04-24 | 2024-04-24 | A multi-head drive turning gear for wind turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410499548.9A CN118242225B (en) | 2024-04-24 | 2024-04-24 | A multi-head drive turning gear for wind turbine |
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| Publication Number | Publication Date |
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| CN118242225A CN118242225A (en) | 2024-06-25 |
| CN118242225B true CN118242225B (en) | 2025-03-18 |
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| CN202410499548.9A Active CN118242225B (en) | 2024-04-24 | 2024-04-24 | A multi-head drive turning gear for wind turbine |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500353A (en) * | 2014-12-26 | 2015-04-08 | 南京高速齿轮制造有限公司 | Large-power wind driven generator step-up gearbox with electric barring device |
| CN105781901A (en) * | 2014-12-26 | 2016-07-20 | 南京朗劲风能设备制造有限公司 | Middle connection system for power generator and gear box |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101092240B1 (en) * | 2009-05-27 | 2011-12-12 | 김헌규 | Wind generator |
| CN201925109U (en) * | 2011-01-11 | 2011-08-10 | 龙源（北京）风电工程技术有限公司 | Turning gear for high-speed shaft of wind generating set |
| JP6191387B2 (en) * | 2013-08-29 | 2017-09-06 | 株式会社ジェイテクト | Joint structure and wind power generator |
| KR20150038886A (en) * | 2013-10-01 | 2015-04-09 | 주식회사 이노벤투스 | Start-up control method of a wind turbine |
| WO2018172479A2 (en) * | 2017-03-23 | 2018-09-27 | Cordrive Ab | Compound planet gear arrangement and gear wheel arrangement |
| CN220522714U (en) * | 2023-08-04 | 2024-02-23 | 河北龙源新能源有限公司 | Jigger device of wind driven generator |
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- 2024-04-24 CN CN202410499548.9A patent/CN118242225B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500353A (en) * | 2014-12-26 | 2015-04-08 | 南京高速齿轮制造有限公司 | Large-power wind driven generator step-up gearbox with electric barring device |
| CN105781901A (en) * | 2014-12-26 | 2016-07-20 | 南京朗劲风能设备制造有限公司 | Middle connection system for power generator and gear box |
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| CN118242225A (en) | 2024-06-25 |
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