CN219403204U - Wind-powered electricity generation blade root end face milling machine - Google Patents
Wind-powered electricity generation blade root end face milling machine Download PDFInfo
- Publication number
- CN219403204U CN219403204U CN202321506187.3U CN202321506187U CN219403204U CN 219403204 U CN219403204 U CN 219403204U CN 202321506187 U CN202321506187 U CN 202321506187U CN 219403204 U CN219403204 U CN 219403204U
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- assembly
- milling
- face
- rotating arm
- blade root
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- 238000003801 milling Methods 0.000 title claims abstract description 80
- 230000005611 electricity Effects 0.000 title description 2
- 238000000227 grinding Methods 0.000 claims abstract description 24
- 238000005498 polishing Methods 0.000 claims description 14
- 239000000428 dust Substances 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 8
- 239000003638 chemical reducing agent Substances 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 238000003754 machining Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000010248 power generation Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
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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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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model discloses a wind power blade root end face milling machine, which comprises a rotating assembly, a feeding assembly, a supporting and positioning assembly and a milling assembly, wherein the rotating assembly is connected with the feeding assembly; the rotating assembly comprises an inner ring, an outer ring and a rotating arm; the feeding assembly comprises a sliding rail, a sliding seat is arranged on the sliding rail in a sliding manner, a ball screw is connected to the sliding seat in a threaded manner, and the sliding seat can move on the sliding rail under the drive of the ball screw; the supporting and positioning assembly is uniformly and annularly arranged on the rear end face of the outer ring, and a fine adjustment structure is arranged at the end part of the auxiliary positioning support; the milling and grinding assembly comprises a grinding motor and a milling motor, and the grinding motor and the milling motor are respectively and fixedly connected to sliding seats at two ends of the rotating arm. The milling and grinding machine can improve the processing efficiency of the end face of the root part of the blade, ensure that the end face has good flatness and smoothness, and can be used for processing blades with different specifications.
Description
Technical Field
The utility model relates to the technical field of wind power generator blade processing, in particular to a wind power generator blade root end face milling and grinding machine.
Background
The wind energy is a clean and pollution-free renewable energy, which is developed and utilized by people for a long time, and particularly, the wind power generation technology is widely developed and utilized in countries around the world. The wind driven generator is power generation equipment which converts wind energy into mechanical energy and then into electric energy through blades, the blades are key components of the wind driven generator, and the blades and the hub are connected into a whole through bolts, so that a high-strength bolt sleeve is embedded in the end face of the root of each blade in the manufacturing process of the blade, the end face of the bolt sleeve is assembled with a hub flange, and then the two flange faces are locked through high-strength screws. However, the blades need to bear wind blowing in different directions, the stress born by the blades is very large, if the connecting surface between the blades and the hub is uneven, the blades can shake, and even the wind driven generator is damaged as a whole, so that the requirement on the connecting strength between the blades and the hub is very high. The end face of the embedded bolt sleeve at the root of the blade is precisely machined to achieve a certain precision, so that the two connecting surfaces of the blade and the hub are well contacted. However, the blade end face is very large in size, a positioning reference is not available, and the blade end face cannot be placed on a common machining machine tool for machining due to the limitation of the appearance of the blade end face, so that the machining difficulty is further increased. The shaking easily occurs in the processing process at the present stage, the processing precision is difficult to ensure, the processing efficiency is relatively low, and meanwhile, the planeness and the smoothness of the end face are poor, so that the processing quality is affected.
Disclosure of Invention
The utility model aims to provide a wind power blade root end face milling machine, which improves the processing efficiency of the blade root end face, ensures that the end face has good flatness and smoothness, and can be used for processing blades with different specifications.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the wind power blade root end face milling machine comprises a rotating assembly, a feeding assembly, a supporting and positioning assembly and a milling assembly;
the rotating assembly comprises an inner ring, an outer ring and a rotating arm, wherein the inner ring is rotationally connected and arranged in the outer ring, and the rotating arm is fixed on the positive end surface of the inner ring along the diameter direction;
the feeding assembly comprises a sliding rail, the sliding rail is fixedly arranged at two ends of the rotating arm, a ball screw is arranged in the sliding rail, and one end of the ball screw is fixedly connected with the output end of the motor speed reducer and can rotate under the drive of the motor speed reducer; the sliding rail is also provided with a sliding seat which is in threaded connection with the ball screw and can slide on the sliding rail under the drive of the ball screw;
the support positioning assembly is uniformly and annularly arranged on the rear end face of the outer ring and comprises a main support leg and an auxiliary positioning support, a servo electric cylinder with a telescopic rod is arranged in the main support leg, the telescopic rod stretches along the radial direction, and a support block is further arranged at the end part of the telescopic rod; the end part of the auxiliary positioning support is provided with a fine adjustment structure, the top end of the fine adjustment structure is provided with a support block, and the fine adjustment structure can adjust the inclination angle of the support block;
the milling assembly comprises a polishing motor and a milling motor, the polishing motor and the milling motor are respectively and fixedly connected to sliding seats at two ends of the rotating arm, the polishing motor is located at the upper side of one end of the rotating arm and fixedly connected with a grinding wheel, and the milling motor is located at the lower side of the other end of the rotating arm and fixedly connected with a milling cutter.
Preferably, the positive end face of the inner ring is fixedly connected with a rotary table, and the rotary arm is fixedly connected to the middle position of the rotary table along the radial direction.
Preferably, the fine adjustment structure comprises an adjustment bracket, an adjustment shaft is arranged in the adjustment bracket, and a support block is fixedly connected to the adjustment shaft; the two ends of the adjusting shaft penetrate through two side walls of the adjusting bracket to be connected with adjusting blocks, protruding lugs are further arranged on the two side walls, and the screw penetrates through the lugs and is in threaded connection with the adjusting blocks.
Preferably, the number of the supporting and positioning assemblies is 8, two auxiliary positioning supports are arranged, and two auxiliary positioning supports are arranged below the rotating arm at intervals; a positioning plate is arranged on one side, close to the rotating arm, of the supporting and positioning assembly; the positioning plates are arranged on the supporting and positioning assembly at intervals;
preferably, a connecting rod is sequentially connected between the outer walls of the supporting and positioning components; the end part of the supporting and positioning assembly can be fixedly connected with an extension part; and the support block is provided with an anti-slip pad.
Preferably, the device further comprises a transfer trolley, wherein an electric control device and a mounting frame are arranged on the transfer trolley.
Preferably, bases are further arranged at two ends of the rotating arm, the sliding rail is fixedly connected to the bases in a threaded mode, mounting grooves which are consistent with the length direction of the rotating arm are formed in the bases, and the sliding rail can move in the direction of the mounting grooves.
Preferably, the milling cutter is a plane end milling cutter, a protective cover is further arranged on the outer sides of the grinding wheel and the milling cutter, and a dust collection pipe is arranged on the protective cover.
Preferably, the turntable is also provided with a hanging plate.
According to the technical scheme, the milling cutter and the grinding wheel are respectively arranged at the two ends of the rotating arm, the flatness of the end face can be rapidly processed through the milling cutter in the process of polishing the end face of the root part of the blade, and meanwhile, the grinding wheel further polishes the flatness and the smoothness of the end face, so that the surface of the blade is smoother, and the flatness and the smoothness are higher in precision. In addition, the precision of the end face is machined in place in one-time machining, the problem of back and forth replacement of the cutter head is avoided, the machining time is saved, and the machining efficiency is improved. The polishing motor and the milling motor are respectively arranged on two opposite sides of the rotating arm, so that the rotating resistance of the rotating arm can be reduced, the rotating of the rotating arm is more stable, and the machining precision is further ensured. The ball screw drives the sliding seat to move forward, so that the feeding amount of the milling motor and the grinding motor is accurately controlled. The device uses eight support locating components, increases the contact with the blade and improves the stability of the support, and is also provided with a locating plate on the support locating component, when the wind power blade root end face milling machine is combined with the blade root, the locating plate is propped against the end face of the blade, at the moment, the cutter head of the wind power blade root end face milling machine is parallel to the end face of the blade, and the servo electric cylinder of the support locating component is started to drive the telescopic rod to extend along the radial direction, so that the support block is supported on the inner side wall of the blade, and the device is positioned and fixed, and the process is simple and convenient. The root end faces of the blades can be equally divided by the interval arrangement of the positioning plates, so that the flatness of the end faces is further guaranteed. The fine adjustment structure of the auxiliary positioning support end part can finely adjust the contact surface of the support block and the inner wall of the root part of the blade, so that the positioning plate can be quickly and completely attached to the end surface. The supporting and positioning assembly is provided with the outer wall, so that the mechanical strength of the supporting and positioning assembly can be enhanced, the mechanical length of the supporting and positioning assembly in the radial direction can be increased, the problem that the length of the telescopic rod of the servo electric rod cannot be suitable for the change of the size of the blade is avoided, the strength and the applicability of the device are improved, and meanwhile, the stability of the supporting can be influenced due to the fact that the extending length of the telescopic rod is too long can be avoided.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the overall structure of another angle of the present utility model;
FIG. 3 is a schematic view of the overall structure of the feed assembly of the present utility model;
FIG. 4 is a schematic view of a support and fixing assembly according to the present utility model;
FIG. 5 is a schematic view of a partial construction of the rotating assembly (turntable in a cut-away state) of the present utility model;
fig. 6 is a schematic perspective view of the fine tuning structure of the present utility model.
In the figure, 1 a rotating assembly; 11 outer rings; 12 inner rings; 13 rotating arms; 14, a turntable; 141 hanging the plate; 15 base; 16 mounting slots; 2 a feeding assembly; a 21 slide rail; 22 sliding seats; 23 ball screw; 3, supporting and positioning components; 31 servo electric cylinder; 32 telescopic rods; 33 supporting blocks; 34 a non-slip mat; 35 positioning plates; 36 connecting rods; 37 main support legs; 38 auxiliary positioning support; 381 adjust the block; 382 adjustment shaft; 383 screws; 384 adjusting the bracket; 385 side walls; 386 ear; 39 extension; 301 outer wall; 302 a cover plate; 4, milling and grinding the assembly; 41 polishing a motor; 42 milling the motor; 43 grinding wheel; 44 milling cutter; a 45 protective cover; 46 a dust hood.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
as shown in fig. 1 to 6, a wind power blade root end face milling machine comprises a rotating assembly 1, a feeding assembly 2, a supporting and positioning assembly 3 and a milling assembly 4.
The rotating assembly 1 comprises an inner ring 12, an outer ring 11 and a rotating arm 13, wherein the inner ring 12 is rotatably connected and arranged in the outer ring 11, the front end face of the inner ring 12 is fixedly connected with a rotary table 14, and the rotating arm 13 is fixedly connected to the middle position of the rotary table 14 along the radial direction. The two ends of the rotating arm 12 are provided with a base 15, and the base 15 is provided with a mounting groove 16 consistent with the length direction of the rotating arm 13. The feeding assembly 2 comprises a sliding rail 21, the sliding rail 21 can move along the length direction of the mounting groove 16 and is fixedly connected to the base 15 in a threaded manner, a ball screw 23 is arranged in the sliding rail 21, and one end of the ball screw 23 is fixedly connected with the output end of the motor speed reducer and can rotate under the drive of the motor speed reducer; the slide rail 21 is also provided with a slide seat 22, and the slide seat 22 is in threaded connection with a ball screw 23. The milling assembly 4 comprises a polishing motor 41 and a milling motor 42, the polishing motor 41 and the milling motor 42 are respectively and fixedly connected to the sliding seat 22 at two ends of the rotating arm 13, the polishing motor 41 is located at the upper side of one end of the rotating arm 13 and is fixedly connected with a grinding wheel 43, and the milling motor 42 is located at the lower side of the other end of the rotating arm 13 and is fixedly connected with a milling cutter 44. The sliding seat 22 is driven by the rotation of the ball screw 23 to realize the sliding of the sliding seat 22 on the sliding rail 21, so as to drive the milling cutter or the grinding wheel to feed forward, and realize the milling and grinding of the end surface of the root of the blade. The support positioning assembly 3 is provided with 8 uniform annular rear end faces which are arranged on the outer ring 11, the support positioning assembly 3 comprises main support legs 37 and auxiliary positioning supports 38, a servo electric cylinder 31 with a telescopic rod 32 is arranged in the outer wall 301 of the main support legs 37, a cover plate 302 is arranged at the side opening position of the outer wall 301, the telescopic rod 32 stretches along the radial direction, and a support block 33 is further arranged at the end part of the telescopic rod 32; the support block 33 is provided with a non-slip mat 34. The end of the auxiliary positioning support 38 is provided with a fine adjustment structure which can adjust the angle of the top support block 33. The fine adjustment structure comprises an adjustment bracket 384, the adjustment bracket 384 is fixedly connected to the end part of the auxiliary positioning support 38, an adjustment shaft 382 is arranged in the adjustment bracket 384, and the adjustment shaft 382 is fixedly connected with the support block 33; and the two ends of the adjusting shaft 382 pass through two side walls 385 of the adjusting bracket 384 to be connected with the adjusting block 381, the two side walls 385 are respectively provided with a convex lug 386, and the screw 383 passes through the lug 386 and is in threaded connection with the adjusting block 381. The angle and the position of the supporting block 33 connected to the adjusting shaft 382 can be finely adjusted through the fine adjustment structure, so that the supporting block 33 can be better adapted to the radian and the angle change of the inner wall of the root of the blade, the positioning plate can be more attached to the end face, and the parallelism of the cutter head of the milling machine and the end face of the blade root can be ensured. The auxiliary positioning supports 38 are provided in two, and the two auxiliary positioning supports 38 are arranged below the rotating arm 13 at intervals. The fixed support of the initial position of the milling machine is facilitated. The outer wall 301 of the supporting and positioning assembly 3 is provided with positioning plates 35 at intervals on one side close to the rotating arm 13; the positioning plate 35 protrudes in the radial direction on the same plane as the side of the support positioning assembly 3 remote from the swivel arm 13.
In a preferred case, the milling cutter 44 is a plane end milling cutter, the outer sides of the grinding wheel 43 and the milling cutter 44 are both provided with a protective cover 45, the protective cover 45 can prevent dust from being led out and splashed during milling, meanwhile, the protective cover 45 is connected with a dust collection pipe 46, and the dust collection pipe 46 is also connected with a dust collector, so that the milled dust can be absorbed and collected, and the cleanness and sanitation of the working environment are maintained.
In a preferred case, still including the transfer car (buggy), be equipped with electric control device and mounting bracket on the transfer car (buggy), still include the transfer car (buggy), be equipped with electric control device and mounting bracket on the transfer car (buggy), electric control device's cable passes electrically conductive sliding ring with electric power, signal transmission to milling machine, guarantees milling machine's normal work to can make the operation of machine more steady, high-efficient, thereby can realize the continuous rotation of rocking arm, carry out comprehensive continuous milling to the blade terminal surface and polish. When the milling machine is not used, the milling machine can be placed and fixed on the mounting frame. The transfer trolley can conveniently transfer the milling and grinding machine. A hanging plate 141 is also arranged above the upper front end surface of the turntable 14, so that the milling and grinding machine can be conveniently hung.
In another preferred case, connecting rods 36 are sequentially connected between the outer walls 301 of the supporting and positioning components 3 to strengthen the strength between the supporting and positioning components 3. The end part of the supporting and positioning assembly 3 can be fixedly connected with an extension part 39; the convenient supporting and positioning assembly 3 is suitable for blades with different specifications and sizes.
According to the embodiment, when the wind power blade root face milling machine is used, the transfer trolley is used for conveying the wind power blade root face milling machine to the position near the end face of the blade root, the lifting device is used for hanging the lifting opening to lift the milling machine to the blade root, the auxiliary positioning support is supported against the lower edge of the inner side wall of the blade root, the milling machine is initially supported and positioned, the milling machine and the blade end face are continuously made to be close to each other, meanwhile, the contact position of the supporting point and the inside of the blade is adjusted for adjusting the structure until the positioning plate is completely contacted and attached with the blade end face, namely, the milling machine is parallel to the end face, then the servo electric cylinders of the main supporting legs work simultaneously to ensure that the extending lengths of the telescopic rods are consistent, so that the milling machine is coaxial with the blade root, and the telescopic rods extend to the inner surface of the blade root where the supporting blocks are supported to finish fixing of the milling machine. And then the positioning plate is retracted to be far away from the end face, the position of the sliding seat is adjusted on the mounting groove to enable the milling cutter and the grinding wheel to correspond to the end face, the sliding seat is fixed on the mounting groove by using bolts, and the connecting stability and reliability can be improved by using a mechanical connecting mode of bolt fixing, so that the influence on the machining precision caused by deflection due to shaking in the working process is avoided. And then the rotating arm rotates under the drive of the inner ring, the milling cutter and the grinding wheel accurately control the feeding amount under the action of the screw rod sliding rod to mill and polish the end face, the consistency of milling and polishing is ensured, the milling cutter rapidly mills the uneven position, the grinding wheel further polishes, the flatness of the grinding wheel is smoother and smoother, the processing process is rapid and convenient, and after the processing is finished, the milling and polishing machine is hoisted to a fixing frame of the transfer trolley for fixing and placing.
The present embodiments are merely illustrative of the present utility model and are not intended to be limiting, and the technical solutions that are not substantially transformed under the present utility model are still within the scope of protection.
Claims (9)
1. The wind power blade root end face milling machine is characterized by comprising a rotating assembly, a feeding assembly, a supporting and positioning assembly and a milling assembly;
the rotating assembly comprises an inner ring, an outer ring and a rotating arm, wherein the inner ring is rotationally connected and arranged in the outer ring, and the rotating arm is fixed on the positive end surface of the inner ring along the diameter direction;
the feeding assembly comprises a sliding rail, the sliding rail is fixedly arranged at two ends of the rotating arm, a ball screw is arranged in the sliding rail, and one end of the ball screw is fixedly connected with the output end of the motor speed reducer and can rotate under the drive of the motor speed reducer; the sliding rail is also provided with a sliding seat which is in threaded connection with the ball screw and can slide on the sliding rail under the drive of the ball screw;
the support positioning assembly is uniformly and annularly arranged on the rear end face of the outer ring and comprises a main support leg and an auxiliary positioning support, a servo electric cylinder with a telescopic rod is arranged in the main support leg, the telescopic rod stretches along the radial direction, and a support block is further arranged at the end part of the telescopic rod; the end part of the auxiliary positioning support is provided with a fine adjustment structure, the top end of the fine adjustment structure is provided with a support block, and the fine adjustment structure can adjust the inclination angle of the support block;
the milling assembly comprises a polishing motor and a milling motor, the polishing motor and the milling motor are respectively and fixedly connected to sliding seats at two ends of the rotating arm, the polishing motor is located at the upper side of one end of the rotating arm and fixedly connected with a grinding wheel, and the milling motor is located at the lower side of the other end of the rotating arm and fixedly connected with a milling cutter.
2. The wind power blade root end face milling machine according to claim 1, wherein the inner ring positive end face is fixedly connected with a rotary disc, and the rotary arm is fixedly connected to the middle position of the rotary disc along the radial direction.
3. The wind power blade root end face milling machine according to claim 1, wherein the fine adjustment structure comprises an adjustment bracket, an adjustment shaft is arranged in the adjustment bracket, and a supporting block is fixedly connected to the adjustment shaft; the two ends of the adjusting shaft penetrate through two side walls of the adjusting bracket to be connected with adjusting blocks, protruding lugs are further arranged on the two side walls, and screws penetrate through the lugs and are in threaded connection with the adjusting blocks.
4. The wind power blade root end face milling machine according to claim 1, wherein 8 support positioning assemblies are provided, two auxiliary positioning supports are provided, and two auxiliary positioning supports are arranged below the rotating arm at intervals; a positioning plate is arranged on one side, close to the rotating arm, of the outer wall of the supporting and positioning assembly; the locating plates are arranged on the supporting and locating assembly at intervals.
5. The wind power blade root end face milling machine according to claim 1, wherein connecting rods are sequentially connected between the outer walls of the supporting and positioning components; the end part of the supporting and positioning assembly is also fixedly connected with an extension part; and the support block is provided with an anti-slip pad.
6. The wind blade root end face milling machine of claim 1, further comprising a transfer trolley having an electrical control device and a mounting bracket thereon.
7. The wind power blade root end face milling machine according to claim 1, wherein bases are further arranged at two ends of the rotating arm, the sliding rail is fixedly connected to the bases in a threaded mode, mounting grooves which are consistent with the length direction of the rotating arm are formed in the bases, and the sliding rail can move in the direction of the mounting grooves.
8. The wind blade root end face mill of claim 1, wherein the milling cutter is a planar end mill; the outer sides of the grinding wheel and the milling cutter are also provided with a protective cover, and the protective cover is provided with a dust suction pipe.
9. The wind power blade root end face milling machine of claim 2, wherein a hanging plate is further arranged on the turntable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321506187.3U CN219403204U (en) | 2023-06-14 | 2023-06-14 | Wind-powered electricity generation blade root end face milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321506187.3U CN219403204U (en) | 2023-06-14 | 2023-06-14 | Wind-powered electricity generation blade root end face milling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219403204U true CN219403204U (en) | 2023-07-25 |
Family
ID=87241245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321506187.3U Active CN219403204U (en) | 2023-06-14 | 2023-06-14 | Wind-powered electricity generation blade root end face milling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219403204U (en) |
-
2023
- 2023-06-14 CN CN202321506187.3U patent/CN219403204U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Baoding Yushun Intelligent Technology Co.,Ltd. Assignor: Baoding metalworking machinery parts manufacturing Co.,Ltd. Contract record no.: X2024980007968 Denomination of utility model: A type of wind turbine blade root end face milling machine Granted publication date: 20230725 License type: Common License Record date: 20240624 |