Elastic claw-shaped coupler for wind power generation
By designing an elastic claw coupling for wind power generation, using one side open flange and multiple fixtures and buffer layer, the coupling connection stability and heat dissipation problems are solved, and the load bearing capacity and heat dissipation effect are improved , extends the service life of the equipment.
Patent Information
- Application Number
- CN202420240728.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-01
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-02-01
AI Technical Summary
Ordinary couplings in wind turbines are prone to problems such as decreased connection stability and poor heat dissipation during long-term use, resulting in damage to the generator and reduced service life.
Design an elastic claw coupling for wind power generation, using a flange with one side to connect to the rotary shaft, improve stress uniformity and load bearing capacity through multiple fixing parts and buffer layers, and set up heat conduction grooves on the outside to improve Heat dissipation effect.
It achieves the compact structure, stable operation and improved heat dissipation effect of the coupling, extending the service life of the coupling and the reliability of the generator.
Smart Images
Figure CN222229228U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of couplings, in particular to an elastic claw-shaped coupling for wind power generation. Background Art
[0002] Wind power generation is the conversion of wind kinetic energy into electrical energy. In wind turbines, two common couplings are rigid couplings, elastic couplings or universal couplings. Rigid couplings are often used to connect two shafts with good alignment, while elastic couplings can provide two-shaft connection when the two shafts have poor alignment. More importantly, elastic couplings can provide an elastic link that can absorb the additional energy generated by the shaft system due to fluctuations in external loads. Ordinary couplings can only connect shafts of specific sizes, and the coupling mechanism is prone to decreased connection stability and poor heat dissipation when used for a long time. Long-term use can easily cause damage to the generator and reduce its service life. To this end, we propose an elastic claw coupling for wind power generation. Utility Model Content
[0003] In order to solve the above problems, the utility model provides an elastic claw coupling for wind power generation to solve the problems raised in the above background technology.
[0004] The utility model discloses an elastic claw coupling for wind power generation, comprising a flange with an opening on one side, a rotating shaft connected to a through hole in the middle of the flange, a first connecting hole circumferentially provided along the outer side of the lower part of the rotating shaft, a plurality of second connecting holes circumferentially provided on the top of the flange, adjacent first connecting holes and second connecting holes are connected by a fixing member, and the fixing member comprises a connecting body and a first connecting portion and a second connecting portion arranged at both ends thereof.
[0005] In the above solution, grooves are formed at the two open ends of the flange, connecting holes are formed on the sides of the grooves, and connecting pieces are arranged in the connecting holes.
[0006] In the above scheme, the connecting member includes a bolt and a nut, a buffer layer is sleeved on the bolt, and the buffer layer includes a metal washer, a thin washer and a plastic washer.
[0007] In the above solution, a heat conduction groove is provided on the outer side of the flange.
[0008] In the above solution, the first connecting portion and the second connecting portion are provided with positioning holes which are perpendicular to each other.
[0009] In the above solution, the first connection part and the second connection part are respectively connected to the corresponding second connection hole and the first connection hole through a connecting piece.
[0010] The advantages and beneficial effects of the utility model are as follows: the utility model provides an elastic claw coupling for wind power generation. The elastic claw coupling for wind power generation has a simple and reasonable structural design and is highly practical. By setting the flange to be open on one side, the size of the opening can be adjusted by a connecting piece, so that the lower part of the rotating shaft can be quickly fixed inside the flange, further expanding the use range of the flange. By setting multiple fixings on the top of the flange to fix the flange and the rotating shaft, the stress on various parts of the rotating shaft is more uniform, so that the coupling mechanism can withstand a larger load, and has the advantages of compact structure and stable operation. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0012] Figure 1 It is a schematic diagram of the structure of the utility model.
[0013] Figure 2 This is a schematic diagram of the flange connection structure of the utility model.
[0014] Figure 3 This is a schematic diagram of the structure of the connecting piece of the utility model.
[0015] In the figure: 1 flange, 11 through hole, 12 opening, 13 groove, 14 connecting hole, 15 connecting piece, 151 bolt, 152 nut, 153 metal washer, 154 thin washer, 155 plastic washer, 16 rotating shaft, 17 first connecting hole, 18 second connecting hole, 19 fixing piece, 191 connecting body, 192 first connecting part, 193 second connecting part, 2 heat conduction groove. DETAILED DESCRIPTION
[0016] The following is a further description of the specific implementation of the present invention in conjunction with the accompanying drawings and embodiments. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and cannot be used to limit the protection scope of the present invention.
[0017] like Figure 1-3As shown, the utility model is an elastic claw coupling for wind power generation, including a flange 1 with an opening 12 on one side, a rotating shaft 16 is connected in a middle through hole of the flange 1, a first connecting hole 17 is opened circumferentially along the outer side of the lower part of the rotating shaft 16, and a plurality of second connecting holes 18 are opened circumferentially on the top of the flange 1, and adjacent first connecting holes 17 and second connecting holes 18 are connected by a fixing member 19, and the fixing member 19 includes a connecting body 191 and a first connecting portion 192 and a second connecting portion 193 arranged at both ends thereof. By arranging a plurality of fixing members 19 on the top of the flange 1 to fix the flange 1 and the rotating shaft 16, the stress on each part of the rotating shaft 16 is more uniform, so that the coupling mechanism can withstand a larger load, and has the advantages of compact structure and stable operation.
[0018] In the above scheme, grooves 13 are provided at the two open ends of the flange 1, and connecting holes 14 are provided on the sides of the grooves 13. Connecting members 15 are provided in the connecting holes 14. By arranging the flange 1 in a form in which one side is open, the size of the opening 12 can be adjusted through the connecting member 15, so that the lower part of the rotating shaft 16 can be quickly fixed inside the flange 1, and rotating shafts 16 of different diameters can be fixed, further expanding the scope of use of the flange 1.
[0019] In the above scheme, the connecting member 15 includes a bolt 151 and a nut 152. A buffer layer is sleeved on the bolt 151. The buffer layer includes a metal washer 153, a thin washer 154 and a plastic washer 155. The thin washer 154 is also a metal washer. With the cooperation of the metal washer 153, the thin washer 154 and the plastic washer 155, the nut 152 can be prevented from extruding and damaging the flange 1 body, thereby effectively improving the connection stability of the two movable ends of the flange 1.
[0020] In the above scheme, a heat conduction groove 2 is provided on the outer side of the flange 1. The design of the heat conduction groove 2 can facilitate the discharge of heat inside the flange 1, thereby improving the heat dissipation effect of the flange 1 and optimizing the problem of poor heat dissipation effect of ordinary coupling mechanisms.
[0021] In the above scheme, mutually perpendicular positioning holes are provided on the first connecting part 192 and the second connecting part 193, and the sizes of the positioning holes correspond to the first connecting hole 17 and the second connecting hole 18. After the positioning hole on the first connecting part 192 is overlapped with the second connecting hole 18, the fixing part 19 is rotated so that the second connecting part 193 is docked with the first connecting hole 17 on the side of the rotating shaft 16.
[0022] In the above scheme, the first connecting part 192 and the second connecting part 193 are respectively connected to the corresponding second connecting hole 18 and the first connecting hole 17 through the connecting member 15, and the lower part of the rotating shaft 16 is stably fixed on the flange 1 under the action of multiple fixing members 19 distributed in a ring shape, and the connection stability of the rotating shaft 16 is guaranteed under the action of the flange 1 and the positioning member 19.
[0023] Working principle:
[0024] During the specific assembly of this elastic claw coupling for wind power generation, the connecting section of the rotating shaft 16 is placed into the middle through hole 11 of the flange 1, and then the connecting piece 15 is passed through the connecting hole 14 at the movable end of the flange 1 to pre-tighten and fix the rotating shaft 16. At this time, the first connecting hole 17 and the second connecting hole 18 are connected by the fixing piece 19. After the positioning hole on the first connecting part 192 is overlapped with the second connecting hole 18, the fixing piece 19 is rotated so that the second connecting part 193 is docked with the first connecting hole 17 on the side of the rotating shaft 16, and the rotating shaft 16 is fixedly connected to the flange 1 by passing the connecting piece 15 through the corresponding connecting hole. Then, the connecting piece 15 at the opening 12 is tightened to lock the rotating shaft 16, and the shaft fixing effect is achieved through the flange 1. The end of the rotating shaft 16 is connected to the wind power generation drive equipment, thereby meeting the use requirements of the wind power generation equipment.
[0025] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. An elastic claw coupling for wind power generation, comprising a flange (1) with an opening (12) on one side, characterized in that: A rotating shaft (16) is connected to the through hole in the middle of the flange (1), a first connecting hole (17) is opened along the circumference of the outer side of the lower part of the rotating shaft (16), and a plurality of second connecting holes (18) are opened along the circumference of the top of the flange (1), and adjacent first connecting holes (17) and second connecting holes (18) are connected by a fixing member (19), and the fixing member (19) includes a connecting body (191) and a first connecting portion (192) and a second connecting portion (193) arranged at two ends thereof.
2. The elastic claw coupling for wind power generation according to claim 1, characterized in that: The two open ends of the flange (1) are provided with grooves (13), the side of the groove (13) is provided with a connecting hole (14), and a connecting piece (15) is arranged in the connecting hole (14).
3. The elastic claw coupling for wind power generation according to claim 2, characterized in that: The connecting member (15) comprises a bolt (151) and a nut (152); a buffer layer is sleeved on the bolt (151); and the buffer layer comprises a metal washer (153), a thin washer (154) and a plastic washer (155).
4. The elastic claw coupling for wind power generation according to claim 1, characterized in that: A heat conduction groove (2) is provided on the outer side of the flange (1).
5. The elastic claw coupling for wind power generation according to claim 1, characterized in that: The first connecting portion (192) and the second connecting portion (193) are provided with positioning holes which are perpendicular to each other.
6. The elastic claw coupling for wind power generation according to claim 1, characterized in that: The first connecting portion (192) and the second connecting portion (193) are respectively connected to the corresponding second connecting hole (18) and the first connecting hole (17) through a connecting piece (15).