CN111098512A - Wind power blade counterweight cabin mounting structure and mounting method - Google Patents
Wind power blade counterweight cabin mounting structure and mounting method Download PDFInfo
- Publication number
- CN111098512A CN111098512A CN201911092234.2A CN201911092234A CN111098512A CN 111098512 A CN111098512 A CN 111098512A CN 201911092234 A CN201911092234 A CN 201911092234A CN 111098512 A CN111098512 A CN 111098512A
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- Prior art keywords
- counterweight
- shell layer
- counterweight cabin
- cabin
- bonding
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- Pending
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000004744 fabric Substances 0.000 claims description 20
- 239000003365 glass fiber Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 6
- 239000004593 Epoxy Substances 0.000 claims description 5
- 239000011152 fibreglass Substances 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 239000000428 dust Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 230000010412 perfusion Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 4
- 238000004026 adhesive bonding Methods 0.000 abstract description 3
- 230000036541 health Effects 0.000 abstract description 3
- 238000010248 power generation Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 238000012545 processing Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010073 coating (rubber) Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 241000784880 Titanopsis calcarea Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000009755 vacuum infusion Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/70—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by moulding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/112—Single lapped joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/36—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and impregnating by casting, e.g. vacuum casting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
- B29C70/70—Completely encapsulating inserts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/08—Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
- B29L2031/082—Blades, e.g. for helicopters
- B29L2031/085—Wind turbine blades
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Wind Motors (AREA)
Abstract
The invention relates to the technical field of wind power generation blades, in particular to a wind power blade counterweight cabin mounting structure and a mounting method, wherein the original secondary gluing and bonding design is replaced by a counterweight cabin and shell integrated pouring and forming mode, the manufacturing process is changed, the generation of unqualified products in the secondary bonding process is reduced, the bonding strength is improved, the counterweight cabin and the shell are connected in a seamless mode, the quality hidden trouble of structural gluing is eliminated, the steps of secondary bonding and hand pasting fixing in the prior art can be simultaneously eliminated, the influence of open operation on environment and personnel health is avoided, and meanwhile, a connecting strength page is integrally formed due to a secondary bonding mode.
Description
Technical Field
The invention relates to the technical field of wind power generation blades, in particular to a wind power blade counterweight cabin mounting structure and a wind power blade counterweight cabin mounting method.
Background
When carrying out wind-powered electricity generation blade counter weight storehouse installation among the prior art, need bond through filling the epoxy structure form of gluing in bonding seam department with fashioned wind-powered electricity generation blade casing, and use the glass fiber cloth after soaking hand-pasted resin to carry out the banding processing with counter weight storehouse edge, counter weight storehouse and casing adopt the secondary to bond, hand-pasted reinforcement structure is connected fixedly, but the secondary bonds the in-process and has higher requirement to bonding face processing and dust, hand-pasted reinforcement also can introduce hand-pasted operation simultaneously, the problem such as resin sagging and hand-pasted operation belong to open manufacturing, also have certain influence to the environment.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects in the prior art and provides a wind power blade counterweight cabin mounting structure and a wind power blade counterweight cabin mounting method which do not need secondary bonding.
The invention is realized by the following technical scheme:
the utility model provides a wind-powered electricity generation blade counter weight storehouse mounting structure which characterized in that includes: a shell layer, a pouring runner arranged above the shell layer and a counterweight cabin arranged between the shell layer and the pouring runner,
the bottom surface of the counterweight cabin is provided with a bonding flange, and the bottom surface of the counterweight cabin and the bonding flange are tightly attached to the shell layer.
Preferably, the joint of the bonding flanging and the shell layer is covered with reinforced glass fiber cloth.
Preferably, the upper surface of the counterweight cabin is covered with demolding cloth.
Preferably, the weight cabin is made of epoxy glass fiber reinforced plastic material.
A wind power blade counterweight cabin installation method is characterized by comprising the following steps:
a. preparing a counterweight cabin, and fitting the shape of the bottom surface of the counterweight cabin with the shape of the bottom surface of the blade;
b. laying glass fiber cloth to form a shell layer;
c. placing the counterweight chamber at a position corresponding to the shell layer, covering reinforced glass fiber cloth at the joint of the counterweight chamber bonding flange and the shell layer, and laying demolding cloth on the upper surface of the counterweight chamber;
d. laying a perfusion flow channel, starting a vacuum pump to pump air to produce negative pressure, and performing negative pressure maintaining by using a digital display millibar meter when the pressure value is below 50mbar, wherein the pressure value is changed within 20mbar within 10min and is regarded as qualified;
e. opening a glue injection valve, introducing resin in vacuum, and keeping the temperature at 75 ℃ for 6h to finish heating and curing;
f. and (5) demolding, pouring auxiliary materials, and removing surface dust to finish the installation of the counterweight cabin.
The invention has the beneficial effects that:
replace original secondary rubber coating bonding fashioned design with counter weight storehouse and the integrative shaping mode of filling of casing, the manufacturing process of reform reduces the production of secondary bonding in-process defective work, improves bonding strength, counter weight storehouse and casing seamless connection eliminate the quality hidden danger that the structure glued and bonded, can satisfy simultaneously and remove among the prior art secondary bonding and the step that the hand is stuck with paste fixedly from, avoid open operation to the influence of environment and personnel health, integrated into one piece joint strength page or leaf is because the secondary forms of bonding simultaneously.
Drawings
Fig. 1 is a schematic front view of the present invention.
In the figure: 1. shell layer laying, 2, pouring flow channel, 3, weight cabin, 4, bonding flanging, 5, reinforced glass fiber cloth and 6, demoulding cloth.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.
As shown in the figures, the present invention comprises: a shell layer, a pouring runner arranged above the shell layer and a counterweight cabin arranged between the shell layer and the pouring runner,
the utility model discloses a counter weight storehouse, including counter weight storehouse bottom surface, bonding turn-ups and casing and spread the layer and closely laminate, the bottom surface shape is decided according to concrete leaf type design angle, be not limited to 180 jiaos, lay and can be shaping through once filling after accomplishing, original secondary rubber coating bonding fashioned design has been replaced, the process of making a change, reduce the production of secondary bonding in-process defective work, improve bonding strength, counter weight storehouse and casing seamless connection, eliminate the quality hidden danger that the structure glued bonds, can satisfy simultaneously and remove secondary bonding among the prior art and the step that the hand is stuck with paste fixedly, avoid open operation to the influence of environment and personnel health, integrated into one piece joint strength page or leaf is because the secondary forms that bonds simultaneously.
Preferably, the bonding turn-ups and the casing layer junction cover have the fine cloth of reinforcing glass, and the fine cloth of reinforcing glass can improve the joint strength between counter weight storehouse and the casing layer, and difficult emergence after the shaping drops.
Preferably, the upper surface of the counterweight chamber is covered with demolding cloth, so that demolding treatment after molding is facilitated.
Preferably, the counterweight cabin is made of epoxy glass fiber reinforced plastic materials, so that the strength is high, the processing is convenient, and the adjustment according to the shape of the blade is convenient.
The method for installing the wind power blade counterweight cabin in the embodiment comprises the following steps:
a. preparing a counterweight bin, and enabling the shape of the bottom surface of the counterweight bin to be fitted with that of the bottom surface of the blade, wherein the counterweight bin used in the embodiment is made of epoxy glass fiber reinforced plastic material;
b. laying glass fiber cloth to form a shell layer, wherein the glass fiber cloth on the surface is smooth and has no wrinkles;
c. placing the counterweight chamber at the position corresponding to the shell layer, positioning the counterweight chamber, covering reinforced glass fiber cloth at the joint of the counterweight chamber bonding flange and the shell layer, laying demolding cloth on the upper surface of the counterweight chamber, and if necessary, using a proper amount of spray glue to fix;
d. laying an infusion flow channel, preparing by adopting a vacuum infusion method, starting a vacuum pump to pump air to produce negative pressure, and performing negative pressure maintaining by using a digital display millibar meter when the pressure value is below 50mbar, wherein the pressure value change within 20mbar within 10min is regarded as qualified in pressure maintaining;
e. opening a glue injection valve, introducing resin in vacuum, and keeping the temperature at 75 ℃ for 6h to finish heating and curing;
f. the demolding is filled with auxiliary materials, surface dust is removed, and the installation of the counterweight bin can be completed.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a wind-powered electricity generation blade counter weight storehouse mounting structure which characterized in that includes: a shell layer, a pouring runner arranged above the shell layer and a counterweight cabin arranged between the shell layer and the pouring runner,
the bottom surface of the counterweight cabin is provided with a bonding flange, and the bottom surface of the counterweight cabin and the bonding flange are tightly attached to the shell layer.
2. The wind turbine blade counterweight cabin mounting structure of claim 1, wherein a reinforced fiberglass cloth covers a joint of the bonding flange and the shell body laying layer.
3. The wind turbine blade counterweight chamber mounting structure according to claim 1 or 2, wherein a demoulding cloth covers an upper surface of the counterweight chamber.
4. The wind turbine blade counterweight chamber mounting structure of claim 3, wherein said counterweight chamber is made of epoxy fiberglass reinforced plastic material.
5. A wind power blade counterweight cabin installation method is characterized by comprising the following steps:
a. preparing a counterweight cabin, and fitting the shape of the bottom surface of the counterweight cabin with the shape of the bottom surface of the blade;
b. laying glass fiber cloth to form a shell layer;
c. placing the counterweight chamber at a position corresponding to the shell layer, covering reinforced glass fiber cloth at the joint of the counterweight chamber bonding flange and the shell layer, and laying demolding cloth on the upper surface of the counterweight chamber;
d. laying a perfusion flow channel, starting a vacuum pump to pump air to produce negative pressure, and performing negative pressure maintaining by using a digital display millibar meter when the pressure value is below 50mbar, wherein the pressure value is changed within 20mbar within 10min and is regarded as qualified;
e. opening a glue injection valve, introducing resin in vacuum, and keeping the temperature at 75 ℃ for 6h to finish heating and curing;
f. and (5) demolding, pouring auxiliary materials, and removing surface dust to finish the installation of the counterweight cabin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911092234.2A CN111098512A (en) | 2019-11-11 | 2019-11-11 | Wind power blade counterweight cabin mounting structure and mounting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911092234.2A CN111098512A (en) | 2019-11-11 | 2019-11-11 | Wind power blade counterweight cabin mounting structure and mounting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111098512A true CN111098512A (en) | 2020-05-05 |
Family
ID=70420477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911092234.2A Pending CN111098512A (en) | 2019-11-11 | 2019-11-11 | Wind power blade counterweight cabin mounting structure and mounting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111098512A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114733871A (en) * | 2022-03-02 | 2022-07-12 | 北京华能长江环保科技研究院有限公司 | Fan blade recycling process method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202596995U (en) * | 2012-03-26 | 2012-12-12 | 华锐风电科技(集团)股份有限公司 | Counterweight device for fan blade and fan blade |
| CN105383074A (en) * | 2015-12-01 | 2016-03-09 | 洛阳双瑞风电叶片有限公司 | Wind-power blade preparation method capable of controlling mass distribution |
| CN106640731A (en) * | 2016-12-27 | 2017-05-10 | 南京航空航天大学 | Composite gas compressor fan blade with integrated metal coating |
| CN209228546U (en) * | 2018-08-28 | 2019-08-09 | 国电联合动力技术(保定)有限公司 | A kind of wind electricity blade counterweight cabin tooling |
| CN211616673U (en) * | 2019-11-11 | 2020-10-02 | 天津中车风电叶片工程有限公司 | Wind-powered electricity generation blade counter weight storehouse mounting structure |
-
2019
- 2019-11-11 CN CN201911092234.2A patent/CN111098512A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202596995U (en) * | 2012-03-26 | 2012-12-12 | 华锐风电科技(集团)股份有限公司 | Counterweight device for fan blade and fan blade |
| CN105383074A (en) * | 2015-12-01 | 2016-03-09 | 洛阳双瑞风电叶片有限公司 | Wind-power blade preparation method capable of controlling mass distribution |
| CN106640731A (en) * | 2016-12-27 | 2017-05-10 | 南京航空航天大学 | Composite gas compressor fan blade with integrated metal coating |
| CN209228546U (en) * | 2018-08-28 | 2019-08-09 | 国电联合动力技术(保定)有限公司 | A kind of wind electricity blade counterweight cabin tooling |
| CN211616673U (en) * | 2019-11-11 | 2020-10-02 | 天津中车风电叶片工程有限公司 | Wind-powered electricity generation blade counter weight storehouse mounting structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114733871A (en) * | 2022-03-02 | 2022-07-12 | 北京华能长江环保科技研究院有限公司 | Fan blade recycling process method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200505 |
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| RJ01 | Rejection of invention patent application after publication |