Gluing mechanism for wind power blade trailing edge sawteeth
By designing a glue-applying mechanism that uses lateral and vertical drive components to cover the trailing edge serrations and combines them with a glue scraper, the problem of unbonded areas in dot-type glue-applying mechanisms is solved, achieving uniform coating and enhanced connection between the trailing edge serrations and the wind turbine blades.
Patent Information
- Application Number
- CN202423065880.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-11
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-11
AI Technical Summary
Existing dot-type adhesive application mechanisms are prone to creating unbonded areas when bonding trailing edge serrations to wind turbine blades, affecting connection strength and increasing the risk of detachment.
A glue application mechanism comprising a dispensing device, a glue scraper, a lateral drive assembly, a vertical drive component, and a steering drive component is employed. By moving laterally and vertically to cover the serrated edge, combined with the glue scraper smoothing the surface, continuous and uninterrupted glue application and uniform coating are achieved.
Ensure the entire surface of the serrated edge is covered with adhesive to enhance the bond strength, avoid unbonded areas and adhesive overflow, and improve the bonding effect.
Smart Images

Figure CN223587585U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to wind power blade maintenance technical field, concretely relates to a kind of for wind power blade trailing edge serration gluing mechanism. BACKGROUND
[0002] With the development of wind power industry, the installed capacity of wind turbine in China is increasing, as the equipment for capturing wind energy of wind turbine, wind power blade is the core component of wind turbine, to reduce the running noise of wind power blade and prolong the life of blade, install trailing edge serration in blade trailing edge is one of the more widely used schemes at present. Its essence is to reduce the aerodynamic noise generated by the interaction of blade surface turbulence and blade trailing edge airfoil, so that the addition of trailing edge serration can effectively reduce blade vibration, prevent blade fatigue failure and reduce maintenance cost.
[0003] The connection of trailing edge serration and wind power blade is mostly by means of glueing, that is, glue is applied on the trailing edge serration, and then the end face coated with glue is pasted on the wind power blade to realize the connection with the wind power blade.
[0004] The existing dispensing mechanism mostly adopts point-type glueing, that is, a plurality of horizontally arranged dispensing heads vertically move to abut against the trailing edge serration, to form a plurality of glueing points on the trailing edge serration, and the wind power blade is pasted through the glueing points. Although this dispensing mechanism can also realize gluing, it still has the following problems:
[0005] When pasting, the point-type glueing is prone to have unglued areas between adjacent glueing points, which affects the connection strength of trailing edge serration and wind power blade, and increases the risk of disconnection of trailing edge serration and wind power blade when the wind power blade rotates at high speed. UTILITY MODEL CONTENTS
[0006] Therefore, the utility model wants to solve the problem to provide a kind of for wind power blade trailing edge serration gluing mechanism.
[0007] To solve the above technical problems, the utility model adopts the technical scheme that:
[0008] A dispensing mechanism for wind power blade trailing edge serration, comprising a dispenser, a glue scraper, a horizontal drive assembly, a vertical drive member, a steering drive member;
[0009] The dispenser and the glue scraper are slidably arranged on the support frame by the carrier, and the main frame for loading the trailing edge serration is arranged below the support frame.
[0010] The vertical drive member is used to drive the support frame to reciprocate vertically to approach or move away from the main frame.
[0011] The transverse driving assembly drives the carrier to move along the transverse direction of the support frame, so that the moving path of the glue dispenser covers the trailing edge sawtooth on the main frame;
[0012] The turning driving member is a turning rudder, which is installed on the carrier.
[0013] The vertical driving member is a lead screw motor, and the two groups of lead screw motors are arranged at the two ends of the support frame and connected with the lead screw nuts of the lead screw motors through the connecting ears.
[0014] The transverse driving assembly comprises a synchronous belt winding and a synchronous belt driving motor.
[0015] The output end of the synchronous belt driving motor is connected with a driving wheel, the transmission wheels are uniformly distributed on the support frame through vertical support shafts, the synchronous belt winding is wound and connected on the driving wheel and the transmission wheels, and the drag chain is fixed on the synchronous belt winding.
[0016] A strip-shaped through slot is further arranged on the support frame along the sliding direction of the carrier, the glue dispenser penetrates through the strip-shaped through slot, and the glue outlet head of the glue dispenser is arranged below the strip-shaped through slot and faces the main frame.
[0017] The turning driving member is a turning rudder, which is installed on the carrier.
[0018] A clamping rudder is further installed on the lateral side of the main frame, and the output end of the clamping rudder is connected with a compression roller for clamping the trailing edge sawtooth.
[0019] An epitaxial suction arm for sucking the trailing edge sawtooth is further installed on the carrier.
[0020] The utility model has the advantages and positive effects that:
[0021] The transverse driving assembly drives the carrier to move along the transverse direction of the support frame, so that the moving path of the glue dispenser covers the trailing edge sawtooth on the main frame, that is, the glue dispenser is driven to continuously and uninterruptedly glue the trailing edge sawtooth along the entire length direction of the trailing edge sawtooth, so that the surface of the entire trailing edge sawtooth is coated with glue, the uncohesive area is avoided, the connection strength of the trailing edge sawtooth and the wind power blade is affected, and the glue on the surface of the trailing edge sawtooth is scraped by the glue scraper, so that the glue is uniformly coated on the surface of the trailing edge sawtooth, and the condition of a large amount of glue overflow during the pasting of the wind power blade is avoided. BRIEF DESCRIPTION OF DRAWINGS
[0022] The drawings are used to provide a further understanding of the utility model, constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute a limitation on the utility model. In the drawings:
[0023] Fig. 1 is a structural diagram of a glue applying mechanism and main frame for wind power blade tail edge serrations of the utility model;
[0024] Fig. 2 is a structural diagram of a glue applying mechanism for wind power blade tail edge serrations of the utility model at a first viewing angle;
[0025] Fig. 3 is a structural diagram of a glue applying mechanism for wind power blade tail edge serrations of the utility model at a second viewing angle;
[0026] In the figure: 41-screw motor; 411-support frame; 42-synchronous belt winding; 43-synchronous belt drive motor; 44-glue outlet head; 441-glue applicator; 45-glue scraping plate; 451-overturning rudder machine; 46-outer extension suction disc arm; 47-tow chain; 471-carrier; 48-glue storage barrel; 49-clamping rudder machine; 491-pressing roller. DETAILED DESCRIPTION
[0027] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0028] It should be noted that when a component is referred to as being "fixed" to another component, it can be directly on the other component or intervening components can also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components can also be present. When a component is referred to as being "disposed" on another component, it can be directly on the other component or intervening components can also be present. The terms "vertical", "horizontal", "left", "right", and similar expressions used herein are for illustrative purposes only.
[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this description and the appended claims, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The term "and / or" as used herein comprises any and all combinations of one or more of the associated listed items.
[0030] As Figs. 1 to 3As shown, the utility model provides a kind of for wind power blade trailing edge sawtooth's gluing mechanism, including glue applicator 441, glue scraper 45, transverse drive assembly, vertical driving part, steering driving part;
[0031] Glue applicator 441 and glue scraper 45 are slid on support frame 411 by carrier 471, and mainframe 2 for placing trailing edge sawtooth is provided below support frame 411;
[0032] Vertical driving part is used to drive support frame 411 to reciprocate in vertical direction, to make glue applicator 441 close to or away from mainframe 2;
[0033] Transverse drive assembly is used to drive carrier 471 to reciprocate along the transverse direction of support frame 411, to make the moving path of glue applicator 441 cover trailing edge sawtooth on mainframe 2, i.e. drive glue applicator 441 to continuously and uninterruptedly glue trailing edge sawtooth along the entire length direction of trailing edge sawtooth, so that the surface of entire trailing edge sawtooth is coated with glue;
[0034] Steering driving part is used to drive glue scraper 45 to overturn to make glue scraper 45 abut against the surface of trailing edge sawtooth, and scrape glue on the surface of trailing edge sawtooth along with the movement of carrier 471, so that glue is evenly coated on the surface of trailing edge sawtooth, to avoid the case that a large amount of glue overflow occurs when wind power blade is pasted.
[0035] Vertical driving part is lead screw motor 41, two groups of lead screw motor 41 are constructed at the two ends of support frame 411 and are connected with lead screw nut of lead screw motor 41 through connecting lug, when two groups of lead screw motor 41 are started, support frame 411 is synchronously driven to move up or down, the vertical distance adjustment between support frame 411 and mainframe 2 is realized, to provide operating space for glue applicator 441 gluing and trailing edge sawtooth taking and placing.
[0036] Specifically, the transverse drive assembly includes synchronous belt winding 42 and synchronous belt drive motor 43;
[0037] Carrier 471 is slid on support frame 411 by drag chain 47, the output end of synchronous belt drive motor 43 is connected with driving wheel, transmission wheel is uniformly distributed on support frame 411 by vertical support shaft, annular synchronous belt winding 42 is wound and connected on driving wheel and transmission wheel, drag chain 47 is fixed on the upper surface of synchronous belt winding 42, to drive the movement of drag chain 47 by driving the rotation of synchronous belt winding 42.
[0038] Specifically, on support frame 411, strip-shaped through slot is also provided along the sliding direction of carrier 471, glue applicator 441 penetrates strip-shaped through slot, and glue outlet 44 of glue applicator 441 is below strip-shaped through slot and is arranged to face mainframe 2.
[0039] Specific, the steering drive is a turnover steering gear 451, the turnover steering gear 451 is installed on the carrier 471, and the output shaft of the turnover steering gear 451 is fixedly connected with the glue scraping plate 45, so that the turnover steering gear 451 drives the rotation of the glue scraping plate 45.
[0040] Specific, the side of the main frame 2 is also provided with a clamping steering gear 49, the output end of the clamping steering gear 49 is connected with a compression roller 491 for clamping the tail edge serration, and a rotating arm is further connected between the compression roller 491 and the output end of the clamping steering gear 49, the output end of the clamping steering gear 49 drives the compression roller 491 to overturn along the plane where the main frame 2 is located through the rotating arm, so that the tail edge serration to be glued is clamped, and displacement of the tail edge serration caused by external force when the glue applicator 441 and the glue scraping plate 45 abut against the tail edge serration is avoided.
[0041] Specific, the glue dispensing mechanism further comprises a glue storage barrel 48, the glue storage barrel 48 is located at the end of the main frame 2, and the glue storage barrel 48 is connected with the glue applicator 441 through a hose to provide glue for the glue applicator 441.
[0042] Specific, the carrier 471 is further provided with an epitaxial suction arm 46, and the epitaxial suction arm 46 is used for transferring and carrying the tail edge serration after gluing.
[0043] The working principle and working process of the utility model are as follows:
[0044] When gluing is needed, the output end of the clamping steering gear 49 drives the compression roller 491 to overturn along the plane where the main frame 2 is located through the rotating arm, and the tail edge serration on the main frame 2 is clamped;
[0045] The two groups of lead screw motors 41 drive the support frame 411 to move downwards, the vertical spacing between the support frame 411 and the main frame 2 is adjusted, the glue outlet 44 of the glue applicator 441 is moved to the preset gluing position, the synchronous belt drive motor 43 drives the rotation of the driving synchronous belt winding 42 to drive the drag chain 47 and the glue applicator 441 to move along the transverse direction of the support frame 411, the glue applicator 441 continuously glues while moving, the glue scraping plate 45 is installed on the side of the glue dispensing head 44, after gluing is completed, the turnover steering gear 451 drives the glue scraping plate 45 to overturn and contact the surface of the tail edge serration, at this time, the glue on the tail edge serration can be scraped flat along with the transverse movement of the drag chain 47, and then the gluing process is completed, finally, the clamping steering gear 49 drives the compression roller 491 to overturn away from the plane where the main frame 2 is located, the tail edge serration after gluing is taken out, a new tail edge serration to be glued is replaced, and the above process is repeated.
[0046] The embodiments of the present application are described in detail above, but the content is only the preferred embodiments of the present application, and cannot be considered to limit the scope of the present application. Any equivalent changes and improvements made within the scope of the present application should still belong to the scope of the present patent.
Claims
1. A gluing mechanism for wind turbine blade trailing edge serrations, characterized in that, The glue applicator (441), the glue scraping plate (45), a horizontal driving assembly, a vertical driving member, and a turning driving member are included. The glue applicator (441) and the glue scraping plate (45) are slidably arranged on the support frame (411) through a carrier (471), and a main frame (2) for placing the tail edge sawtooth is arranged below the support frame (411). The vertical driving member is used to drive the support frame (411) to reciprocate in the vertical direction, so as to approach or move away from the main frame (2). The horizontal driving assembly is used to drive the carrier (471) to reciprocate along the horizontal direction of the support frame (411), so that the moving path of the glue applicator (441) covers the tail edge sawtooth on the main frame (2). The turning driving member is used to drive the glue scraping plate (45) to turn over, so that the glue scraping plate (45) abuts against the surface of the tail edge sawtooth and scrapes the glue on the surface of the tail edge sawtooth along with the movement of the carrier (471).
2. The gluing mechanism for wind turbine blade trailing edge serrations of claim 1, wherein, The vertical driving member is a lead screw motor (41), and two groups of the lead screw motor (41) are arranged at two ends of the support frame (411) and connected with the screw nuts of the lead screw motor (41) through connecting ears.
3. The gluing mechanism for wind turbine blade trailing edge serrations of claim 1, wherein, The horizontal driving assembly includes a synchronous belt winding (42) and a synchronous belt driving motor (43). The carrier (471) is slidably arranged on the support frame (411) through a drag chain (47), the output end of the synchronous belt driving motor (43) is connected with a driving wheel, transmission wheels are uniformly distributed on the support frame (411) through vertical support shafts, the synchronous belt winding (42) is wound and connected on the driving wheel and the transmission wheels, and the drag chain (47) is fixedly arranged on the synchronous belt winding (42).
4. The gluing mechanism for wind turbine blade trailing edge serrations of claim 1, wherein, On the support frame (411), a strip-shaped through groove is also arranged along the sliding direction of the carrier (471), the glue applicator (441) penetrates through the strip-shaped through groove, and the glue outlet head (44) of the glue applicator (441) is arranged below the strip-shaped through groove and faces the main frame (2).
5. The gluing mechanism for wind turbine blade trailing edge serrations of claim 1, wherein, The turning driving member is a turning rudder motor (451), and the turning rudder motor (451) is installed on the carrier (471).
6. The gluing mechanism for wind turbine blade trailing edge serrations of claim 1, wherein, A clamping rudder motor (49) is also installed on the lateral side of the main frame (2), and the output end of the clamping rudder motor (49) is connected with a compression roller (491) for clamping the tail edge sawtooth.
7. The gluing mechanism for wind turbine blade trailing edge serrations of claim 1, wherein, An epitaxial suction disc arm (46) for sucking the tail edge sawtooth is also installed on the carrier (471).
8. The gluing mechanism for wind turbine blade trailing edge serrations of claim 1, wherein, The glue dispensing mechanism also includes a glue storage barrel (48), and the glue storage barrel (48) is arranged at the end of the main frame (2) and connected with the glue applicator (441) through a hose.