CN221257007U - Hydraulic pitch-changing device for offshore wind turbine - Google Patents
Hydraulic pitch-changing device for offshore wind turbine Download PDFInfo
- Publication number
- CN221257007U CN221257007U CN202322877808.5U CN202322877808U CN221257007U CN 221257007 U CN221257007 U CN 221257007U CN 202322877808 U CN202322877808 U CN 202322877808U CN 221257007 U CN221257007 U CN 221257007U
- Authority
- CN
- China
- Prior art keywords
- belt wheel
- primary pulley
- gear
- wind turbine
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000002441 reversible effect Effects 0.000 claims abstract description 15
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001141 propulsive effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Wind Motors (AREA)
Abstract
The utility model relates to the technical field of fans, in particular to a hydraulic pitch device of an offshore wind turbine, which comprises a chassis, wherein one end of the chassis is rotationally connected with a motor, the outer side of the motor is fixedly provided with a crown gear I, one side of the crown gear I is in meshed connection with a gear, one end of the gear I is in rotational connection with the chassis, one side of the gear I is in meshed connection with a crown gear II, the crown gear I and the crown gear II are in reverse movement, one end of the crown gear I is rotationally connected with a sleeve shaft, the sleeve shaft penetrates through the crown gear II and is fixedly connected with the crown gear II, the sleeve shaft and the motor are coaxially arranged and are in rotational connection, one end of the sleeve shaft is fixedly provided with a primary pulley I, the outer side of the motor is fixedly provided with a primary pulley II, and the primary pulley I and the primary pulley II are in reverse movement.
Description
Technical Field
The utility model relates to the technical field of fans, in particular to a hydraulic pitch-changing device of an offshore wind turbine.
Background
The variable pitch system is used as one of the core parts of the control system of the large wind turbine, has very important functions on safe, stable and efficient operation of the wind turbine, and stable variable pitch control becomes one of hot spots and difficulties in the research of the control technology of the current large wind turbine.
In current patent application number 202022341619.2, a fan becomes oar mechanism is disclosed, including the ring flange, the outside of ring flange is fixed and is provided with the link, and the quantity of link sets up to three, the supporting disk has been placed to one side of ring flange, the supporting disk inboard is provided with the locking dish, the connecting hole has all been seted up to link one side, the inside mounting disc that is provided with of link, one side of supporting disk is provided with the erection column, be provided with the mounting disc between ring flange and the link, but the change oar mechanism in this application setting only supports through ring flange and the supporting disk, does circular rotary motion, can not adjust the angle of oar, when the wind speed is higher than rated wind speed, can not adjust the oar and make its contrary oar, leads to the oar load impact, has shortened the life of oar, and simultaneously, the oar is synchronous rotation, can not change the trend of air current, increases pneumatic power, has wasted the resource.
Therefore, an offshore wind turbine hydraulic pitch control device with high design practicability and a pitch lever is necessary.
Disclosure of utility model
The utility model aims to provide a hydraulic pitch control device of an offshore wind turbine, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an offshore wind turbine hydraulic pressure becomes oar device, includes the quick-witted case, machine case one end rotates and is connected with the motor, motor outside fixed mounting has a crown first, crown one side meshing is connected with the gear, gear one end is connected for rotating with the machine case, gear one side meshing is connected with crown second, crown first and crown second be reverse motion, crown one end rotates and is connected with the sleeve, the sleeve runs through crown second and be fixed connection, the sleeve is coaxial setting and is for rotating the connection with the motor, sleeve one end fixed mounting has a primary pulley, motor outside fixed mounting has a primary pulley second, primary pulley first and primary pulley second be reverse motion, primary pulley first and primary pulley second one side are provided with the belt, the belt inboard is provided with the band pulley first, band pulley first and band pulley second be reverse motion, band pulley first and band pulley second one end are rotated with the machine case and are connected, band pulley first and band pulley second be reverse motion with primary pulley second band pulley second, band pulley first and band pulley second band pulley and band pulley second one side be reverse motion, band paddle one set of being set up and change the subassembly.
According to the technical scheme, become oar subassembly including the box, box one end rotates and is connected with the handle, handle one end fixed mounting has the screw rod, screw rod outside threaded connection has the fixture block, box inboard fixed mounting has the dead lever, the dead lever runs through the fixture block and is sliding connection, fixture block one side meshing is connected with the oar pole, oar pole one side fixed mounting has the oar piece.
According to the technical scheme, the inside fixed welding of box has the spring spare, the spring spare is provided with two sets of and is mirror image motion, the fixed welding of spring spare one end has the clamp splice, the clamp splice is with clamp paddle pole.
According to the technical scheme, the lower end of the case is provided with the propeller.
According to the technical scheme, the method is characterized in that.
According to the technical scheme, the method is characterized in that.
Compared with the prior art, the utility model has the following beneficial effects:
(1) Through being provided with the adjusting part, the motor is started to drive the crown gear I and the main belt wheel II to start rotating, the crown gear I drives the gear meshed with the crown gear I, the gear drives the crown gear II meshed with one side to rotate, the crown gear II drives the main belt wheel I to rotate, the main belt wheel I and the main belt wheel II rotate reversely through the crown gear I and the crown gear II, the belt is driven to move together, the belt is driven to drive the belt wheel I and the belt wheel II connected with the belt wheel I and the belt wheel II to move through the belt, the belt wheel I and the belt wheel II rotate reversely, an operator can adjust the angle of the variable pitch assembly through the belt wheel I and the belt wheel II, the variable pitch assembly can be adjusted, the reverse pitch of the variable pitch assembly can be prevented, and the load impact of the variable pitch assembly can be prevented, so that the service life of the variable pitch assembly is prolonged, meanwhile, the driving direction of air flow can be changed, the pneumatic power is reduced, and resources are saved.
(2) Through being provided with spring spare and fixture block, go into the clamp splice with the oar pole card, through the reset of spring spare, firmly grip the oar pole, later on, operating personnel twists and moves the handle, to its fixed, at this moment, has accomplished the change to oar pole and oar piece, and the structure is very simple, and inside damage has avoided causing great economic loss, and manufacturing cost is lower, and the practicality is better.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a partial schematic view of an adjustment assembly;
FIG. 3 is a partial schematic view of an adjustment assembly;
FIG. 4 is a schematic left-hand cross-sectional view of the case;
In the figure: 1. a chassis; 2. a propeller; 3. a motor; 4. crown tooth I; 5. a gear; 6. crown teeth II; 7. a sleeve shaft; 8. a primary pulley I; 9. a primary pulley II; 10. a belt; 11. a belt wheel I; 12. a belt wheel II; 13. a case; 14. a handle; 15. a screw; 16. a clamping block; 17. a fixed rod; 18. a paddle rod; 19. clamping blocks; 20. a spring member; 21. and a paddle.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides the following technical solutions: the hydraulic pitch device of the offshore wind turbine comprises a chassis 1, one end of the chassis 1 is rotationally connected with a motor 3, a crown gear 4 is fixedly arranged outside the motor 3, one side of the crown gear 4 is in meshed connection with a gear 5, one end of the gear 5 is rotationally connected with the chassis 1, one side of the gear 5 is in meshed connection with a crown gear two 6, the crown gear 4 and the crown gear two 6 move reversely, one end of the crown gear 4 is rotationally connected with a sleeve shaft 7, the sleeve shaft 7 penetrates through the crown gear two 6 and is fixedly connected, the sleeve shaft 7 and the motor 3 are coaxially arranged and rotationally connected, one end of the sleeve shaft 7 is fixedly provided with a primary pulley 8, the outer side of the motor 3 is fixedly provided with a primary pulley two 9, the primary pulley 8 and the primary pulley two 9 move reversely, one side of the primary pulley 8 and the primary pulley two 9 is provided with a belt 10, the inner side of the belt 10 is provided with a pulley one 11, the inner side of the belt 10 is provided with a pulley two 12, one end of the belt wheel I11 and one end of the belt wheel II 12 are in rotary connection with the chassis 1, the belt wheel I11, the belt wheel II 12, the main belt wheel I8 and the main belt wheel II 9 are in belt connection, one end of the belt wheel I11 and one end of the belt wheel II 12 are provided with a variable pitch component, the variable pitch component is provided with two groups and in reverse movement, an operator drives the crown gear I4 and the main belt wheel II 9 to start to rotate by starting the motor 3, the crown gear I4 drives the gear 5 meshed with the crown gear I4, the gear 5 drives the crown gear II 6 meshed with one side to rotate, the crown gear II 6 drives the main belt wheel I8 to rotate, the main belt wheel I8 and the main belt wheel II 9 are in reverse rotation through the crown gear I4 and the crown gear II 6, the belt 10 is driven to move together, the belt wheel I11 connected with the belt wheels and the main belt wheel II 12 are driven to move through the belt 10, and the crown gear I4 drives the crown gear II to rotate in reverse rotation, the operator can adjust the variable pitch assembly through the first belt pulley 11 and the second belt pulley 12, adjust the angle of the variable pitch assembly, can ensure that when the wind speed is higher than the rated wind speed, can adjust the variable pitch assembly to enable the variable pitch assembly to reversely pitch, and prevent the load impact of the variable pitch assembly, so that the service life of the variable pitch assembly is prolonged, and simultaneously, the two variable pitch assemblies reversely rotate, so that the movement direction of air flow can be changed, the pneumatic power is reduced, and the resources are saved.
The variable pitch assembly comprises a box body 13, one end of the box body 13 is rotationally connected with a handle 14, one end of the handle 14 is fixedly provided with a screw 15, the outer side of the screw 15 is in threaded connection with a clamping block 16, the inner side of the box body 13 is fixedly provided with a fixing rod 17, the fixing rod 17 penetrates through the clamping block 16 and is in sliding connection, one side of the clamping block 16 is in meshed connection with a paddle 18, one side of the paddle 18 is fixedly provided with a paddle 21, when a certain paddle 21 is damaged, an operator needs to disassemble and replace the variable pitch assembly, the handle 14 drives the screw 15 to rotate, the screw 15 drives the clamping block 16 in threaded connection with the screw to move, the clamping block 16 is restrained by the fixing rod 17, and the vertical rod on the clamping block 16 moves out of the groove on the paddle 18, so that the fixing of the paddle 18 is omitted, and on the contrary, the installation and the installation of the paddle 18 and the paddle 21 can be fixed, the assembly is simple and the maintenance is quite convenient.
The spring piece 20 is fixedly welded on the inner side of the box 13, two groups of spring pieces 20 are arranged and move in a mirror image mode, the clamping blocks 19 are fixedly welded at one ends of the spring pieces 20, the clamping blocks 19 are identical to the clamping blocks 18, after an operator cancels fixing of the paddle rod 18, the operator removes the damaged paddle piece 21 through dragging and compression fit with the spring pieces 20, the paddle rod 18 moves out of the clamping blocks 19, connection of the two is cancelled, then the operator removes the paddle rod 18 and the paddle piece 21 from the box 13, a new assembly is replaced, the same is adopted, the paddle rod 18 is clamped into the clamping blocks 19 firstly, the paddle rod 18 is clamped firmly through reset of the spring pieces 20, then the operator screws the handle 14 to fix the paddle rod, at the moment, replacement of the paddle rod 18 and the paddle piece 21 is completed, the structure is quite simple, internal damage is avoided, and serious economic loss is avoided.
The machine case 1 lower extreme is provided with screw 2, and screw 2 can be with the power conversion propulsive force of engine production, has high-efficient characteristics, and its adaptability is stronger, and screw 2 can be under different water depths and rivers condition to, its cost of maintenance is lower, easily maintenance and change.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (4)
1. The utility model provides an offshore wind turbine hydraulic pressure becomes oar device, includes quick-witted case (1), its characterized in that: the utility model discloses a machine case (1) one end is rotationally connected with motor (3), motor (3) outside fixed mounting has crown tooth one (4), crown tooth one (4) one side meshing is connected with gear (5), gear (5) one end is rotationally connected with machine case (1), gear (5) one side meshing is connected with crown tooth two (6), crown tooth one (4) and crown tooth two (6) are reverse motion, crown tooth one (4) one end is rotationally connected with sleeve (7), sleeve (7) run through crown tooth two (6) and be fixed connection, sleeve (7) and motor (3) are coaxial setting and are rotationally connected, sleeve (7) one end fixed mounting has primary pulley one (8), motor (3) outside fixed mounting has primary pulley two (9), primary pulley one (8) and primary pulley two (9) are reverse motion, primary pulley one (8) and primary pulley two (9) one side are provided with belt (10), pulley one (10) are rotationally connected with primary pulley two (11) and are reverse motion, primary pulley one (11) are rotationally connected with machine case (12) and are reverse motion one (12), the variable-pitch device comprises a first belt wheel (11), a second belt wheel (12), a first main belt wheel (8) and a second main belt wheel (9), wherein the first belt wheel (11) and the second belt wheel (12) are in belt connection, one end of each of the first belt wheel (11) and the second belt wheel (12) is provided with a variable-pitch assembly, and the variable-pitch assemblies are provided with two groups and move reversely.
2. The offshore wind turbine hydraulic pitch device of claim 1, wherein: become oar subassembly including box (13), box (13) one end rotates and is connected with handle (14), handle (14) one end fixed mounting has screw rod (15), screw rod (15) outside threaded connection has fixture block (16), box (13) inboard fixed mounting has dead lever (17), dead lever (17) run through fixture block (16) and be sliding connection, fixture block (16) one side meshing is connected with paddle pole (18), paddle pole (18) one side fixed mounting has oar piece (21).
3. The offshore wind turbine hydraulic pitch device of claim 2, wherein: the device is characterized in that spring pieces (20) are fixedly welded on the inner side of the box body (13), two groups of spring pieces (20) are arranged and move in a mirror image mode, clamping blocks (19) are fixedly welded on one end of each spring piece (20), and the clamping blocks (19) are identical to a clamping paddle rod (18).
4. The offshore wind turbine hydraulic pitch device of claim 1, wherein: the lower end of the case (1) is provided with a propeller (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322877808.5U CN221257007U (en) | 2023-10-25 | 2023-10-25 | Hydraulic pitch-changing device for offshore wind turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322877808.5U CN221257007U (en) | 2023-10-25 | 2023-10-25 | Hydraulic pitch-changing device for offshore wind turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221257007U true CN221257007U (en) | 2024-07-02 |
Family
ID=91622958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322877808.5U Active CN221257007U (en) | 2023-10-25 | 2023-10-25 | Hydraulic pitch-changing device for offshore wind turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221257007U (en) |
-
2023
- 2023-10-25 CN CN202322877808.5U patent/CN221257007U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2016173304A1 (en) | Novel wind turbine linkage variable pitch system | |
| CN207660789U (en) | Novel wind generator group barring gear | |
| CN1727672A (en) | Drive unit with variable airscrew pitch of wind driven generator | |
| CN110562485B (en) | Coaxial rotor hovering characteristic measuring device of mars aircraft with adjustable propeller pitch | |
| CN103867388B (en) | Electric direct-drive formula wind electricity change paddle drive system | |
| CN115303474A (en) | Electric drive variable-pitch propeller device with large torque output | |
| CN221257007U (en) | Hydraulic pitch-changing device for offshore wind turbine | |
| CN219344877U (en) | Improved generation horizontal axis aerogenerator | |
| CN209818209U (en) | Variable pitch system of wind generating set | |
| CN112065660A (en) | Yaw mechanism of wind driven generator | |
| CN115750207A (en) | Overspeed-preventing yaw lifting device for wind turbine generator | |
| CN115419612A (en) | Automatic variable-pitch blade device of axial flow fan | |
| CN213450665U (en) | Wind wheel with adjustable blade quantity | |
| CN210371018U (en) | Cross brace device for large vertical axis wind turbine | |
| CN220248272U (en) | Jigger special for driving wind power | |
| CN207791019U (en) | A kind of perambulator of convenient disassembly | |
| CN217327547U (en) | Multi-motor driven variable pitch system | |
| CN214617801U (en) | Speed reducer for electric power with protective structure | |
| CN217984736U (en) | Single-phase series excited motor rotor | |
| CN110410273B (en) | Wind driven generator with speed reduction function and convenient to assemble and disassemble | |
| CN220955907U (en) | Variable-pitch wind driven generator | |
| CN219366225U (en) | Wind power generation blade lifting appliance jigger | |
| CN116677559B (en) | Variable pitch equipment of wind driven generator | |
| CN215733696U (en) | Brushless six-groove four-pole brushless motor with adjusting function | |
| CN208778622U (en) | Disk covers gear ring structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |