CN110153845B - Belt protection device for clamping blade tip of wind blade - Google Patents
Belt protection device for clamping blade tip of wind blade Download PDFInfo
- Publication number
- CN110153845B CN110153845B CN201910491533.7A CN201910491533A CN110153845B CN 110153845 B CN110153845 B CN 110153845B CN 201910491533 A CN201910491533 A CN 201910491533A CN 110153845 B CN110153845 B CN 110153845B
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- Prior art keywords
- supporting frame
- protective belt
- blade
- screw
- belt
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/14—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding turbine blades, propeller blades or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/16—Machines or devices using grinding or polishing belts; Accessories therefor for grinding other surfaces of particular shape
- B24B21/165—Machines or devices using grinding or polishing belts; Accessories therefor for grinding other surfaces of particular shape for vanes or blades of turbines, propellers, impellers, compressors and the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
- Wind Motors (AREA)
Abstract
The invention relates to a belt protection device for clamping the blade tip of a wind blade, which comprises: the supporting mechanism comprises an upper supporting frame and a lower supporting frame, and the upper supporting frame and the lower supporting frame are arranged in parallel at intervals up and down; the two clamps are used for clamping the wind blade and are respectively and oppositely arranged on the lower part of the upper support frame and the upper part of the lower support frame; the protective belt is positioned between the two clamps and used for protecting the blade tip of the wind blade; and the two protective belt adjusting mechanisms are respectively arranged on the upper supporting frame and the lower supporting frame, two ends of the protective belt are respectively fixed on the protective belt adjusting mechanisms, and the opening size and the tensioning degree of the protective belt are adjusted through the protective belt adjusting mechanisms. Compared with the prior art, the device adopts the protective belt made of soft and tough materials to ensure that the clamp and the blade are not in direct contact, thereby playing a role in buffering and protecting and bearing the additional force in the turning process of the blade.
Description
Technical Field
The invention belongs to the technical field of tools for wind power blades, and particularly relates to a belt protection device for clamping a blade tip of a wind power blade.
Background
With the increasing prominence of energy problems, wind energy is increasingly popular and regarded as renewable clean energy. The blade is one of important components in a wind generating set, the wind power blade is mainly polished manually or by an automatic machine in the production process so as to obtain good surface quality, and the wind power blade needs to be clamped and fixed in the polishing process; generally, at the afterbody of wind-powered electricity generation blade, the apex sets up clamping device, and is equipped with tilting mechanism, and after the blade was polished at an angle, can polish behind the wind-powered electricity generation blade flip angle.
Along with the trend of diversification of installed power requirements of the wind power generation market and the promotion of production technologies of wind power blade manufacturing enterprises, products of wind power blades tend to be rich, and modern wind power blade manufacturing enterprises can produce small-sized to ultra-large wind power blades, so that the blade tip section shapes of the wind power blades are complex, the clamping force of the existing blade tip clamping devices is large, the acceleration change in the blade overturning process is large, additional clamping force is generated, the surfaces of the blades can be injured, even the internal structures of the blades can be damaged, and potential safety hazards are brought to the enterprises.
Disclosure of Invention
The invention aims to solve the problems and provide a belt protection device for clamping the blade tip of a wind turbine blade.
The purpose of the invention is realized by the following technical scheme:
a wind blade apex centre gripping is with belt protection device includes:
the supporting mechanism comprises an upper supporting frame and a lower supporting frame, and the upper supporting frame and the lower supporting frame are arranged in parallel at intervals up and down;
the two clamps are used for clamping the wind blade and are respectively and oppositely arranged on the lower part of the upper support frame and the upper part of the lower support frame;
the protective belt is positioned between the two clamps and used for protecting the blade tip of the wind blade; and
the two protective belt adjusting mechanisms are respectively arranged on the upper supporting frame and the lower supporting frame, two ends of the protective belt are respectively fixed on the protective belt adjusting mechanisms, and the opening size and the tensioning degree of the protective belt are adjusted through the protective belt adjusting mechanisms.
When the protective belt is used specifically, the protective belt is wound on the cross section of the blade tip, so that the clamp and the blade are not in direct contact, and the protective belt plays a role in buffering and protecting.
The supporting mechanism further comprises an opening circular ring support and a side supporting frame, the upper supporting frame, the lower supporting frame and the side supporting frame are fixedly connected inside the opening circular ring support, and the side supporting frame is located on one side of the upper supporting frame and the lower supporting frame and is vertically arranged between the upper supporting frame and the lower supporting frame.
The openings of the opening circular ring support correspond to the openings formed by the upper support frame, the lower support frame and the side support frames, so that the belt protection device is in an occluded shape.
The protective belt is made of soft and flexible materials and is of a long-strip rectangular structure, and the protective belt is wound outside the blade tip of the blade, so that the clamp is not in direct contact with the blade.
The protection belt adjusting mechanism comprises:
the sliding rail base is provided with a hollow groove;
the sliding block is arranged on the upper part of the sliding rail base in a sliding manner;
a protective belt pressing plate for pressing the protective belt on the sliding block and fastening the protective belt through a screw;
the nut is fixedly connected to the bottom of the sliding block and is positioned in the hollow groove of the sliding rail base;
a screw rod which comprises a thread part and an optical axis part, wherein the thread part is arranged in the hollow groove of the slide rail base and is screwed with a nut, the end part of the optical axis part is connected with a locking and fixing mechanism,
the screw rod is driven by external force to rotate, the driving nut moves linearly along the axis of the screw rod, the sliding block is driven to drive the protective belt to move along the sliding rail base, the opening size and the tensioning degree of the protective belt are adjusted, and the locking fixing mechanism fixes the screw rod.
The locking and fixing mechanism comprises a rotary base, the rotary base is connected with the slide rail base, a notch bushing is arranged on the rotary base, a through hole and a notch are formed in the rotary base and the notch bushing respectively, and the optical axis part of the screw rod penetrates through the through hole and the notch.
The notch part of the notch bush is provided with a pressing shaft upper pin, a pressing shaft lower pin and a pressing shaft screw which penetrates through the pressing shaft upper pin and the pressing shaft lower pin, and the pressing shaft upper pin and the pressing shaft lower pin clamp and fix the optical axis part of the screw which penetrates through the notch bush under the fastening action of the pressing shaft screw.
The sliding rail base and the sliding block are in a dovetail shape in cross section, and the dovetail sliding block and the dovetail sliding rail base are matched mutually.
The device uses a screw pair to adjust a protective belt, and comprises a screw rod, a nut, a dovetail base, a dovetail slide block, a protective belt pressing plate, a notch bush, a rotary base, a limiting shaft sleeve, a limiting nut, a pressing shaft upper pin, a pressing shaft lower pin and a pressing shaft screw, wherein a smooth shaft part and a shoulder part of the screw rod are arranged on the rotary base through the notch bush; the screw rod is driven by external force (manual or electric) to rotate, so that the nut is driven to linearly move along the axis of the screw rod, the screw rod further drives the dovetail-shaped sliding block to move so as to adjust the opening size and the tensioning degree of the protective belt, and the notch bushing plays a role of slewing bearing; in order to prevent the nut from moving under the unexpected condition, the opening size and the tensioning degree of the protective belt are caused to change, the screw rod is required to be locked to prevent the screw rod from rotating, a notch and a through hole are arranged in a notch bushing and a rotary base, a part of an optical axis of the screw rod is exposed, the screw rod is connected with a through hole of an upper pin of a pressing shaft through a lower pin of the pressing shaft, the screw rod is connected with the through hole of the upper pin of the pressing shaft through a thread of the lower pin of the pressing shaft, under the rotating action of the screw rod of the pressing shaft, the upper pin of the pressing shaft and the lower pin of the pressing shaft can be driven to be close to and far away from each other, the screw. The clamp and the protective belt adjusting mechanism are arranged on the clamping supporting frame, the protective belt adjusting mechanism is provided with two sets of protective belt adjusting mechanisms which are arranged on two sides inside the clamping supporting frame, two ends of the protective belt are respectively connected with the protective belt adjusting mechanisms on two sides, and the opening size and the tensioning degree of the protective belt are adjusted by the protective belt adjusting mechanisms.
Compared with the prior art, the invention has the following advantages:
1. the protective belt made of soft and tough materials prevents the clamp from directly contacting with the blade, plays a role in buffering and protecting, and can bear additional force in the turning process of the blade;
2. the protective belt adjusting mechanism can adjust the opening size and the tensioning degree of the protective belt and adapt to the shapes of blade tips of various sections, so that the protective device has good universality;
3. the protective belt adjusting mechanism can lock the screw of the protective belt adjusting mechanism, and the opening size and the tensioning degree of the protective belt are guaranteed not to change.
Drawings
FIG. 1 is a three-dimensional schematic view of the apparatus of the present invention;
FIG. 2 is a schematic front view of the apparatus of the present invention;
FIG. 3 is a schematic view of the protective tape adjusting mechanism of the apparatus of the present invention;
FIG. 4 is a schematic cross-sectional view taken along line B-B of FIG. 3;
FIG. 5 is a schematic top view of a protective tape adjusting mechanism of the apparatus of the present invention;
fig. 6 is a schematic cross-sectional view taken along line a-a of fig. 5.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments.
Examples
Referring to fig. 1 and 2, a belt protector for clamping a wind turbine blade tip comprises: the supporting mechanism 1 comprises an upper supporting frame 102 and a lower supporting frame 103, wherein the upper supporting frame 102 and the lower supporting frame 103 are arranged in an up-and-down parallel spaced manner; the two clamps 3 are used for clamping the wind blade and are respectively and oppositely arranged on the lower part of the upper support frame 102 and the upper part of the lower support frame 103; the protective belt 4 is positioned between the two clamps 3 and used for protecting the blade tip of the wind blade; and two protection belt adjusting mechanisms 2 which are respectively arranged on the upper support frame 102 and the lower support frame 103, two ends of the protection belt 4 are respectively fixed on the protection belt adjusting mechanisms 2, and the opening size and the tensioning degree of the protection belt 4 are adjusted through the protection belt adjusting mechanisms 2.
The supporting mechanism 1 further comprises an open circular ring support 101 and a side support frame 104, wherein the upper support frame 102, the lower support frame 103 and the side support frame 104 are all fixedly connected inside the open circular ring support 101, and the side support frame is located on one side of the upper support frame 102 and the lower support frame 103 and vertically arranged between the upper support frame 102 and the lower support frame 103. The openings of the open ring support 101 correspond to the openings formed by the upper support frame 102, the lower support frame 103 and the side support frames 104, so that the belt protection device is in a snap-in shape.
The protective belt is made of soft and flexible materials, the protective belt 4 is of a long rectangular structure, and the protective belt 4 is wound outside the blade tip 5, so that the clamp 3 is not in direct contact with the blade.
As shown in fig. 2 to 4, the protective tape adjusting mechanism 2 includes: a slide rail base 201, wherein the slide rail base 201 is provided with a hollow groove; a sliding block 202, which is slidably arranged on the upper part of the sliding rail base 201; a protective tape pressing plate 204 for pressing the protective tape against the slider 202 and fastening it by a screw; a nut 203 fixedly connected to the bottom of the slide block 202 and positioned in the hollow groove of the slide rail base 201; the screw 205 comprises a screw thread portion and an optical axis portion, the screw thread portion is arranged in a hollow groove of the slide rail base 201 and is connected with the nut 203 in a screwing mode, the end portion of the optical axis portion is connected with the locking fixing mechanism, the screw 205 is driven by external force to rotate, the nut 203 is driven to move linearly along the axis of the screw 205, then the slider 202 is driven to drive the protective belt 4 to move along the slide rail base 201, the opening size and the tensioning degree of the protective belt 4 are adjusted, and the screw 205 is fixed by the locking fixing mechanism.
The cross sections of the slide rail base 201 and the slide block 202 are dovetail-shaped, and the dovetail-shaped slide block 202 and the dovetail-shaped slide rail base 201 are matched with each other.
The locking fixing mechanism comprises a rotary base 206, the rotary base 206 is connected with the slide rail base 201, the rotary base 206 is provided with a notch bushing 207, the rotary base 206 and the notch bushing 207 are respectively provided with a through hole and a notch, and the optical axis of the screw 205 penetrates through the through hole and the notch. The notch portion of the notch bush 207 is provided with a pressing shaft upper pin 208, a pressing shaft lower pin 209, and a pressing shaft screw 210 passing through the pressing shaft upper pin 208 and the pressing shaft lower pin 209, and the pressing shaft upper pin 208 and the pressing shaft lower pin 209 clamp and fix the optical axis portion of the screw 205 passing through the notch bush 207 by the fastening action of the pressing shaft screw 210.
The clamp and the protective belt adjusting mechanism are arranged on the clamping supporting frame, the protective belt adjusting mechanism is provided with two sets of protective belt adjusting mechanisms which are arranged on two sides of the interior of the clamping supporting frame, and two ends of the protective belt are respectively connected with the protective belt adjusting mechanisms on two sides. When the protective belt tensioning device works, the screw rod rotates under the driving of external force (manual or electric), the driving nut moves linearly along the axis of the screw rod, the screw rod further drives the dovetail-shaped sliding block to move so as to adjust the opening size and the tensioning degree of the protective belt, and the notch bushing plays a role of slewing bearing. The protective belt is wound on the cross section of the blade tip, so that the clamp is not directly contacted with the blade, and the protective belt plays a role in buffering and protecting. For preventing that the nut from moving under the unexpected condition, lead to opening of boundary belt size and tensioning degree to change, pin the screw rod and do not let play to take place the rotation, set up breach and through-hole in breach bush and rotary base, expose a part of screw rod optical axis, and through last round pin of last pressure axle and pressure axle lower round pin, pressure axle screw and last round pin through-hole connection of last round pin of pressure axle, with pressure axle lower round pin threaded connection, under the rotation effect of pressure axle screw, can drive and press epaxial round pin and pressure axle lower round pin both to be close to each other and keep away from, open locking screw rod when both are close to, can loosen the screw rod when both keep away from.
The embodiments described above are described to facilitate an understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (2)
1. The utility model provides a belt protection device is used in centre gripping of wind-force blade apex which characterized in that includes:
the supporting mechanism (1) comprises an upper supporting frame (102) and a lower supporting frame (103), wherein the upper supporting frame (102) and the lower supporting frame (103) are arranged in parallel at intervals up and down;
the two clamps (3) are used for clamping the wind blade and are respectively and oppositely arranged on the lower part of the upper support frame (102) and the upper part of the lower support frame (103);
the protective belt (4) is positioned between the two clamps (3) and used for protecting the blade tip of the wind blade; and
the two protective belt adjusting mechanisms (2) are respectively arranged on the upper supporting frame (102) and the lower supporting frame (103), two ends of the protective belt (4) are respectively fixed on the protective belt adjusting mechanisms (2), and the opening size and the tensioning degree of the protective belt (4) are adjusted through the protective belt adjusting mechanisms (2);
the supporting mechanism (1) further comprises an opening circular ring support (101) and a side supporting frame (104), the upper supporting frame (102), the lower supporting frame (103) and the side supporting frame (104) are fixedly connected inside the opening circular ring support (101), and the side supporting frame is positioned on one side of the upper supporting frame (102) and the lower supporting frame (103) and vertically arranged between the upper supporting frame (102) and the lower supporting frame (103);
the openings of the opening circular ring support (101) correspond to the openings formed by the upper support frame (102), the lower support frame (103) and the side support frame (104), so that the belt protection device is in a meshing shape;
the protective belt is made of a soft and flexible material, the protective belt (4) is of a long rectangular structure, and the protective belt (4) is wound outside the blade tip (5) of the blade, so that the clamp (3) is not in direct contact with the blade;
the protective belt adjusting mechanism (2) comprises:
the sliding rail base (201), the sliding rail base (201) is provided with a hollow groove;
the sliding block (202) is arranged on the upper part of the sliding rail base (201) in a sliding manner;
a protective tape pressing plate (204) for pressing the protective tape against the slider (202) and fastening it by a screw;
the nut (203) is fixedly connected to the bottom of the sliding block (202) and is positioned in the hollow groove of the sliding rail base (201);
a screw (205) comprising a thread part and a light shaft part, wherein the thread part is arranged in the hollow groove of the slide rail base (201) and is screwed with a nut (203), the end part of the light shaft part is connected with a locking and fixing mechanism,
the screw (205) is driven to rotate by external force, the driving nut (203) moves linearly along the axis of the screw (205), the sliding block (202) is driven to drive the protective belt (4) to move along the sliding rail base (201), the opening size and the tensioning degree of the protective belt (4) are adjusted, and the locking fixing mechanism fixes the screw (205);
the locking fixing mechanism comprises a rotary base (206), the rotary base (206) is connected with the slide rail base (201), the rotary base (206) is provided with a notch bushing (207), the rotary base (206) and the notch bushing (207) are both provided with a through hole and a notch, and the optical axis part of the screw rod (205) penetrates through the through hole and the notch;
and a notch part of the notch bushing (207) is provided with an upper pressing shaft pin (208), a lower pressing shaft pin (209) and a pressing shaft screw (210) penetrating through the upper pressing shaft pin (208) and the lower pressing shaft pin (209), and the upper pressing shaft pin (208) and the lower pressing shaft pin (209) clamp and fix the optical axis part of the screw rod (205) penetrating through the notch bushing (207) under the fastening action of the pressing shaft screw (210).
2. The belt protector for clamping the blade tip of the wind blade as claimed in claim 1, wherein the cross-sections of the slide rail base (201) and the slide block (202) are dovetail-shaped, and the dovetail-shaped slide block (202) and the dovetail-shaped slide rail base (201) are fitted with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910491533.7A CN110153845B (en) | 2019-06-06 | 2019-06-06 | Belt protection device for clamping blade tip of wind blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910491533.7A CN110153845B (en) | 2019-06-06 | 2019-06-06 | Belt protection device for clamping blade tip of wind blade |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110153845A CN110153845A (en) | 2019-08-23 |
| CN110153845B true CN110153845B (en) | 2021-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910491533.7A Active CN110153845B (en) | 2019-06-06 | 2019-06-06 | Belt protection device for clamping blade tip of wind blade |
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| Country | Link |
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| CN (1) | CN110153845B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111871723A (en) * | 2020-08-06 | 2020-11-03 | 重通成飞风电设备江苏有限公司 | Large-scale marine blade front-and-back driving overturning vehicle for adjusting blade posture |
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| US4705454A (en) * | 1983-06-09 | 1987-11-10 | Societe Nationale D'etude Et De Construction De Moteurs D'aviation | Turbomachine casing with containment structure intended to contain fractured rotating parts |
| CN101076664A (en) * | 2004-12-10 | 2007-11-21 | 泰克西斯先进技术及体系有限公司 | Packaging device for rotor blade of wind-power transporting turbine |
| CN203438211U (en) * | 2013-08-28 | 2014-02-19 | 上海艾郎风电科技发展有限公司 | Overturning device used for blade |
| CN103671475A (en) * | 2013-12-13 | 2014-03-26 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Rotating shaft locking device |
| CN205780654U (en) * | 2016-05-26 | 2016-12-07 | 重庆悦控自动化控制设备有限公司 | Belt tension regulating device |
| CN107023440A (en) * | 2017-06-01 | 2017-08-08 | 无锡中车时代智能装备有限公司 | The special fixture of wind electricity blade lifting rotation |
| CN207830034U (en) * | 2017-12-21 | 2018-09-07 | 白银银光双银化工装备有限公司 | A kind of device for conveying blade of wind-driven generator |
| CN109592403A (en) * | 2019-01-22 | 2019-04-09 | 河北工业大学 | A kind of wind electricity blade automatic turning clamping device |
| CN109611287A (en) * | 2019-01-09 | 2019-04-12 | 加美中（北京）科技有限公司 | Clamping structure, sharp vehicle and turnover device |
-
2019
- 2019-06-06 CN CN201910491533.7A patent/CN110153845B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4705454A (en) * | 1983-06-09 | 1987-11-10 | Societe Nationale D'etude Et De Construction De Moteurs D'aviation | Turbomachine casing with containment structure intended to contain fractured rotating parts |
| CN101076664A (en) * | 2004-12-10 | 2007-11-21 | 泰克西斯先进技术及体系有限公司 | Packaging device for rotor blade of wind-power transporting turbine |
| CN203438211U (en) * | 2013-08-28 | 2014-02-19 | 上海艾郎风电科技发展有限公司 | Overturning device used for blade |
| CN103671475A (en) * | 2013-12-13 | 2014-03-26 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Rotating shaft locking device |
| CN205780654U (en) * | 2016-05-26 | 2016-12-07 | 重庆悦控自动化控制设备有限公司 | Belt tension regulating device |
| CN107023440A (en) * | 2017-06-01 | 2017-08-08 | 无锡中车时代智能装备有限公司 | The special fixture of wind electricity blade lifting rotation |
| CN207830034U (en) * | 2017-12-21 | 2018-09-07 | 白银银光双银化工装备有限公司 | A kind of device for conveying blade of wind-driven generator |
| CN109611287A (en) * | 2019-01-09 | 2019-04-12 | 加美中（北京）科技有限公司 | Clamping structure, sharp vehicle and turnover device |
| CN109592403A (en) * | 2019-01-22 | 2019-04-09 | 河北工业大学 | A kind of wind electricity blade automatic turning clamping device |
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| Publication number | Publication date |
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| CN110153845A (en) | 2019-08-23 |
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