Damping device for wind driven generator

Abstract

The utility model belongs to the technical field of shock absorption, and particularly relates to a shock absorption device for a wind driven generator, which comprises a base, an inserting column, a damper, a shock absorption elastic sleeve and a stabilizing column are fixedly arranged on the base, a shock absorption disc is fixedly arranged at the top of the damper, a connecting disc is arranged on the upper surface of the shock absorption disc, and a side plate is fixedly arranged on the connecting disc. A spring is fixedly arranged on the side plate, a clamping plate is fixedly arranged on the spring, a mounting seat is arranged in the side plate, a combination plate is fixedly arranged on the mounting seat, a supporting column is arranged in the middle of the mounting seat, and a fixing plate is fixedly arranged on the supporting column. The four dampers and the damping elastic sleeve are arranged on the base and connected with the damping disc, the stabilizing column slides in the through hole formed in the middle of the damping disc in the middle of the damping elastic sleeve, the vibration amplitude of a device above the damping disc can be reduced by a device below the damping disc when the device vibrates, meanwhile, the through hole can reserve a movement space for the stabilizing column, and therefore the damping effect is improved. And the supporting column is more stable during vibration.

Description

Technical Field

[0001] The utility model relates to the technical field of shock absorption, in particular to a shock absorption device for a wind turbine generator. Background Art

[0002] Under the dual pressure of energy crisis and environmental problems, the development of renewable energy is particularly important. Renewable energy includes solar energy, wind energy, hydropower, bioenergy, etc. They have the characteristics of abundant reserves, clean and pollution-free, and sustainable utilization. They are an important way to solve the energy crisis and protect the environment. Therefore, wind turbines play an important role in solving the energy crisis.

[0003] When a wind turbine is in use, its blades are too large, so it will produce a certain amplitude of vibration. When the vibration amplitude is too large, it may cause some parts to break and accelerate the loss of the device. At the same time, if the support of the wind turbine is not firmly connected, there will be certain potential dangers.

[0004] In order to solve the above problems, the present application proposes a vibration reduction device for a wind turbine. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a shock absorbing device for a wind turbine, comprising a base, on which a plug column, a damper, a shock absorbing elastic sleeve and a stabilizing column are fixedly provided, a shock absorbing plate is fixedly provided on the top of the damper, a connecting plate is provided on the upper surface of the shock absorbing plate, a side plate is fixedly provided on the connecting plate, a spring is fixedly provided on the side plate, a splint is fixedly provided on the spring, a mounting seat is provided inside the side plate, a combined plate is fixedly provided on the mounting seat, a pillar is provided in the middle of the mounting seat, and a fixing plate is fixedly provided on the pillar.

[0006] Preferably, the shock absorbing plate, the connecting plate and the mounting seat are all provided with through holes, the shock absorbing plate, the connecting plate, the side plate, the mounting seat, the pillar and the fixing plate are all provided with threaded holes, and bolts and screws are spirally provided in the threaded holes.

[0007] Preferably, the plug column is fixedly connected to the bottom of the base, the damper, the shock-absorbing elastic sleeve and one end of the stabilizing column are fixedly connected to the upper surface of the base, the other end of the damper and the shock-absorbing elastic sleeve are fixedly connected to the lower surface of the shock-absorbing plate, and the other end of the stabilizing column is movably connected in the through hole.

[0008] Preferably, some of the bolts are spirally connected in threaded holes on the shock absorbing plate and the connecting plate, and other parts of the bolts are spirally connected in threaded holes on the side plates, mounting seats and pillar sides, and the screws are spirally connected in threaded holes on the connecting plate, side plates, mounting seats and fixing plates.

[0009] Preferably, the mounting seat is located in the middle of the side plate, the mounting seat is a left-right symmetrical structure, and the combined plate is spirally connected with bolts and nuts.

[0010] Preferably, the side surface of the mounting seat is tightly fitted with the clamping plate, and the bolt on the side surface of the side plate is located in the middle of the spring.

[0011] Preferably, the shock-absorbing elastic sleeve is made of elastic metal.

[0012] The above technical solution of the utility model has the following beneficial technical effects:

[0013] The utility model provides four dampers and a shock-absorbing elastic sleeve connected with the shock-absorbing plate on the base, and a slidable stabilizing column is provided in the middle of the shock-absorbing elastic sleeve and in the through hole in the middle of the shock-absorbing plate, so that the vibration amplitude of the device above the shock-absorbing plate will be reduced by the device below the shock-absorbing plate when vibrating, and at the same time, the through hole will leave movement space for the stabilizing column, so that the pillar will be more stable when vibrating, and then the column is surrounded by the upper connecting plate and the mounting seat, and a fixing plate is provided on the side of the column, and the pillar, the fixing plate, the connecting plate and the mounting seat are connected together by using a plurality of threaded holes and screws and bolts, so that the connection is more stable and the vibration of the column can be transmitted to the shock-absorbing plate at the same time, so as to avoid the breakage of parts caused by excessive vibration amplitude, prolong the service life of the device, and also strengthen the installation of the pillar to make the device safer. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the exploded structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model;

[0017] Figure 4 It is a schematic diagram of the structure of the utility model from top view.

[0018] Reference numerals:

[0019] 1. Base; 101. Plug column; 102. Damper; 103. Shock-absorbing elastic sleeve; 104. Stabilizing column; 2. Shock-absorbing plate; 3. Connecting plate; 301. Side plate; 302. Spring; 303. Clamp; 4. Mounting seat; 401. Combination plate; 5. Pillar; 501. Fixing plate; 6. Through hole; 7. Threaded hole; 8. Bolt; 9. Screw. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0021] It should be understood that these descriptions are exemplary only and are not intended to limit the scope of the present invention.

[0022] A shock absorbing device for a wind turbine provided by some embodiments of the utility model will be described below in conjunction with the accompanying drawings.

[0023] Embodiment 1:

[0024] Combination Figure 1-4 As shown, the utility model provides a shock absorbing device for a wind turbine, comprising a base 1, on which a plug column 101, a damper 102, a shock absorbing elastic sleeve 103 and a stabilizing column 104 are fixedly provided, a shock absorbing plate 2 is fixedly provided on the top of the damper 102, a connecting plate 3 is provided on the upper surface of the shock absorbing plate 2, a side plate 301 is fixedly provided on the connecting plate 3, a spring 302 is fixedly provided on the side plate 301, a clamping plate 303 is fixedly provided on the spring 302, and the The side plate 301 is provided with a mounting seat 4, on which a combined plate 401 is fixed, a pillar 5 is provided in the middle of the mounting seat 4, on which a fixing plate 501 is fixed, through holes 6 are provided on the damping plate 2, the connecting plate 3 and the mounting seat 4, threaded holes 7 are provided on the damping plate 2, the connecting plate 3, the side plate 301, the mounting seat 4, the pillar 5 and the fixing plate 501, bolts 8 and screws 9 are spirally provided in the threaded holes 7, and the plug 101 is fixedly connected At the bottom of the base 1, one end of the damper 102, the shock-absorbing elastic sleeve 103 and the stabilizing column 104 are fixedly connected to the upper surface of the base 1, the other ends of the damper 102 and the shock-absorbing elastic sleeve 103 are fixedly connected to the lower surface of the shock-absorbing plate 2, the other end of the stabilizing column 104 is movably connected in the through hole 6, part of the bolts 8 are spirally connected in the threaded holes 7 on the shock-absorbing plate 2 and the connecting plate 3, and the other parts of the bolts 8 are spirally connected in the threaded holes 7 on the side of the side plate 301, the mounting seat 4 and the pillar 5, the screws 9 are spirally connected in the threaded holes 7 on the connecting plate 3, the side plate 301, the mounting seat 4 and the fixing plate 501, the mounting seat 4 is located in the middle of the side plate 301, the mounting seat 4 is a bilaterally symmetrical structure, the bolts 8 and nuts are spirally connected on the combined plate 401, the side of the mounting seat 4 is tightly fitted with the clamping plate 303, the bolts 8 on the side of the side plate 301 are located in the middle of the spring 302, and the shock-absorbing elastic sleeve 103 is made of elastic metal.

[0025] Specifically, four plug posts 101 are fixedly welded at the bottom of the base 1 so that the plug posts 101 can be inserted into the underground fixing device to complete the fixing of the base 1. Four dampers 102 and a shock-absorbing elastic sleeve 103 are fixedly installed on the upper surface of the base 1. The damper 102 and the top of the shock-absorbing elastic sleeve 103 are fixedly connected with the shock-absorbing disc 2 so that when the shock-absorbing disc 2 vibrates, the telescopic piston in the damper 102 and the shock-absorbing elastic sleeve 103 will be telescoped, thereby reducing the vibration amplitude. A fixed The stabilizing column 104 is fixedly connected to the upper surface of the base 1, and the stabilizing column 104 is movably connected to the through hole 6 of the shock absorbing plate 2, so that the shock absorbing plate 2 will slide up and down on the side wall of the stabilizing column 104 when it vibrates up and down, and will be blocked by the stabilizing column 104 when it vibrates left and right, thereby further reducing the vibration amplitude. A bolt 8 is spirally connected in the threaded hole 7 on the shock absorbing plate 2, and the bolt 8 fixes the connecting plate 3 to the upper surface of the shock absorbing plate 2, so that the shock absorbing plate 2 and the connecting plate 3 are connected as a whole. A side plate 301 is fixedly welded on the upper surface of the connecting plate 3 , and a spring 302 is fixedly welded on the inner wall of the side plate 301, and a clamping plate 303 is fixedly welded on the other end of the spring 302. Two mounting seats 4 are provided in the middle of the clamping plate 303, and screws 9 are spirally connected in the threaded holes 7 on the mounting seats 4. The screws 9 connect the mounting seats 4 and the connecting plate 3 as a whole, so that the connecting plate 3 and the mounting seats 4 are fixedly installed above the shock absorbing plate 2, and a combination plate 401 is fixedly welded on the side of the mounting seat 4, and bolts 8 are spirally connected on the combination plates 401 on the two mounting seats 4, and screws 8 are spirally connected on the bolts The nut is provided so that the two mounting seats 4 can be connected together. A pillar 5 is provided in the middle of the mounting seat 4, and the bolt 8 connects the side plate 301, the mounting seat 4 and the pillar 5 together through the threaded hole 7 on the side of the side plate 301, and the bolt 8 is located in the middle of the spring 302 to strengthen the stability of the pillar 5 fixed in the mounting seat 4. A fixing plate 501 is fixedly welded on the side of the pillar 5, and the screw 9 connects the fixing plate 501 and the side plate 301 and the mounting seat 4 together through the threaded hole 7 on the fixing plate 501 to strengthen the stability of the pillar 5.

[0026] The working principle and use process of the utility model are as follows: first, insert the plug column 101 into the underground fixing device to complete the fixing of the base 1, then place the connecting plate 3 on the shock-absorbing plate 2, and then the stabilizing column 104 passes through the through hole 6 between the shock-absorbing plate 2 and the connecting plate 3, and the shock-absorbing plate 2 and the connecting plate 3 are fixedly connected with the bolt 8, and then the mounting seat 4 is placed in the middle of the side plate 301, so that the clamping plate 303 and the side of the mounting seat 4 fit tightly, and the two mounting seats 4 are first connected with the bolt 8 and the nut, and then the bottom of the mounting seat 4 and the connecting plate 3 are connected with the screw 9, and then the screw 8 is used to fix the mounting seat 4 with the connecting plate 3. The bolt 8 connects the side of the side plate 301, the mounting seat 4 and the side of the pillar 5. At this time, the fixing plate 501 is just located on the upper surface of the side plate 301. Finally, the fixing plate 501, the side plate 301 and the mounting seat 4 are connected with the screws 9 to complete the fixed installation. At this time, the installation stability of the pillar 5 is improved, and when the pillar 5 vibrates, the vibration energy will be transmitted to the shock absorbing disk 2, and then the damper 102, the shock absorbing elastic sleeve 103, the mounting seat 4 and the through hole 6 are quickly distributed, thereby reducing the vibration amplitude of the pillar 5, extending the service life of the device, and improving the safety of the device.

[0027] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation on the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the claims attached to the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the attached claims, or the equivalent forms of such scope and boundaries.

Claims

1. A vibration reduction device for a wind turbine, comprising a base (1), characterized in that: The base (1) is fixedly provided with an insertion column (101), a damper (102), a shock-absorbing elastic sleeve (103) and a stabilizing column (104); a shock-absorbing disc (2) is fixedly provided on the top of the damper (102); a connecting disc (3) is provided on the upper surface of the shock-absorbing disc (2); a side plate (301) is fixedly provided on the connecting disc (3); a spring (302) is fixedly provided on the side plate (301); a clamping plate (303) is fixedly provided on the spring (302); a mounting seat (4) is provided inside the side plate (301); a combination plate (401) is fixedly provided on the mounting seat (4); a pillar (5) is provided in the middle of the mounting seat (4); a fixing plate (501) is fixedly provided on the pillar (5).

2. A vibration reduction device for a wind turbine according to claim 1, characterized in that: The shock absorbing plate (2), the connecting plate (3) and the mounting seat (4) are all provided with through holes (6); the shock absorbing plate (2), the connecting plate (3), the side plate (301), the mounting seat (4), the pillar (5) and the fixing plate (501) are all provided with threaded holes (7); bolts (8) and screws (9) are spirally arranged in the threaded holes (7).

3. A vibration reduction device for a wind turbine according to claim 1, characterized in that: The plug column (101) is fixedly connected to the bottom of the base (1); one end of the damper (102), the shock-absorbing elastic sleeve (103) and the stabilizing column (104) is fixedly connected to the upper surface of the base (1); the other ends of the damper (102) and the shock-absorbing elastic sleeve (103) are fixedly connected to the lower surface of the shock-absorbing plate (2); and the other end of the stabilizing column (104) is movably connected in the through hole (6).

4. A vibration reduction device for a wind turbine according to claim 2, characterized in that: Some of the bolts (8) are screwed into the threaded holes (7) on the shock absorbing plate (2) and the connecting plate (3), and other parts of the bolts (8) are screwed into the threaded holes (7) on the side of the side plate (301), the mounting seat (4) and the support (5), and the screws (9) are screwed into the threaded holes (7) of the connecting plate (3), the side plate (301), the mounting seat (4) and the fixing plate (501).

5. A vibration reduction device for a wind turbine according to claim 1, characterized in that: The mounting seat (4) is located in the middle of the side plate (301); the mounting seat (4) is a bilaterally symmetrical structure; and bolts (8) and nuts are spirally connected to the combined plate (401).

6. A vibration reduction device for a wind turbine according to claim 1, characterized in that: The side surface of the mounting seat (4) is tightly fitted to the clamping plate (303), and the bolt (8) on the side surface of the side plate (301) is located in the middle of the spring (302).

7. A vibration reduction device for a wind turbine according to claim 1, characterized in that: The shock-absorbing elastic sleeve (103) is made of elastic metal.

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