Stably-supported damping device for wind generating set

Abstract

The damping device comprises a main body mounting seat and a pre-buried base, the pre-buried base is pre-buried in the ground, a bottom cylinder is fixedly mounted at the top of the main body mounting seat, a top plate is fixedly mounted at the bottom of the bottom cylinder, and a bottom plate is fixedly mounted at the bottom of the bottom cylinder. The bottom plate is fixedly installed on the top of the bottom cylinder, and a first spring and a first damper are fixedly installed between the top plate and the bottom plate. According to the damping device for the wind generating set with the stable supporting function, when equipment vibrates, the vibration is transmitted downwards through an upper cylinder, when the vibration is transmitted to a vibration isolation assembly, the vibration is absorbed through a first spring between a top plate and a bottom plate, and the absorbed vibration is buffered through a first damper; therefore, the vibration transmitted to the bottom cylinder is greatly reduced, the influence of the vibration on the second bolt and the second nut is reduced, and the mounting stability is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of wind turbine generators, in particular to a shock absorbing device for a wind turbine generator set with stable support. Background Art

[0002] A wind turbine is a system or device that uses wind to drive a generator to generate electricity. It usually consists of a wind rotor, a generator, a control system, and a tower. The wind rotor is used to capture wind energy and usually consists of multiple blades that rotate as the wind blows. The generator is a device that converts wind energy into electrical energy, usually a rotating magnetic field and coils that generate current when wind blows through these coils.

[0003] The tower of a wind turbine is fixed by a base pre-buried under the ground. When the wind turbine rotates to generate electricity, it will generate large vibrations. When the vibration acts on the connection between the tower and the pre-buried base, it is easy to have a large effect on the bolts at the connection and the nuts on the bolts, causing the nuts at the connection to easily loosen under the action of vibration.

[0004] Therefore, the utility model provides a shock absorbing device for a wind turbine generator set with stable support to solve the above problems. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a shock absorbing device for a wind turbine generator set with a stable support, which solves the above-mentioned problems.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a shock absorbing device for supporting a stable wind turbine generator set, comprising a main body mounting seat and an embedded base, the embedded base is embedded in the ground, a bottom tube is fixedly installed on the top of the main body mounting seat, a vibration isolation component is arranged on the top of the bottom tube, an upper tube is arranged on the top of the vibration isolation component, an auxiliary component is arranged on the outside of the upper tube, the vibration isolation component comprises a top plate and a bottom plate, the top plate is fixedly installed on the bottom of the upper tube, the bottom plate is fixedly installed on the top of the bottom tube, a first spring and a first damper are fixedly installed between the top plate and the bottom plate.

[0007] Preferably, the first spring is located outside the first damper, and the first springs are evenly arranged outside the first damper.

[0008] By adopting the above technical solution, vibration isolation between the upper tube and the bottom tube is achieved through the first spring and the first damper.

[0009] Preferably: a second bolt is fixedly installed on the top of the embedded base, the second bolt is inserted into the inside of the main body mounting seat, the main body mounting seat is attached to the top of the embedded base, and a second nut is threaded on the outer side of the second bolt, and the second nut is located above the main body mounting seat.

[0010] By adopting the above technical solution, the main body mounting seat and the embedded base are fixed together by the second bolt and the second nut.

[0011] Preferably, the connection between the bottom tube and the main body mounting seat, the connection between the upper tube and the top plate, and the connection between the bottom plate and the bottom tube are all fixedly mounted with reinforcing ribs.

[0012] By adopting the above technical solution, the stability of the connection is ensured by reinforcing ribs.

[0013] Preferably: the auxiliary component includes a top connecting block and a bottom connecting block, the top connecting block is hinged to the outside of the upper tube, a second damper is fixedly installed between the bottom connecting blocks, and a second spring is fixedly installed on the outside of the second damper and between the top connecting block and the bottom connecting block.

[0014] By adopting the above technical solution, auxiliary shock absorption is achieved through the second damper and the second spring.

[0015] Preferably: the auxiliary component also includes an auxiliary base, which is pre-buried in the ground, an auxiliary mounting seat is fixedly installed on the bottom of the bottom connecting block, a first bolt is fixedly installed on the top of the auxiliary base, the first bolt is inserted into the auxiliary mounting seat, a first nut is threaded on the outer side of the first bolt, and the first nut is located above the auxiliary mounting seat.

[0016] By adopting the above technical solution, the second spring and the second damper are supported by the auxiliary mounting seat and the auxiliary base.

[0017] Beneficial Effects

[0018] The utility model provides a shock absorbing device for a wind turbine generator set with stable support. Compared with the prior art, it has the following beneficial effects:

[0019] 1. The shock absorbing device for the wind turbine generator set with stable support, when the equipment vibrates, the vibration will be transmitted downward through the upper cylinder. When it is transmitted to the vibration isolation component, the vibration is absorbed by the first spring between the top plate and the bottom plate, and the absorbed vibration is buffered by the first damper, thereby greatly reducing the vibration transmitted to the bottom cylinder, thereby reducing the influence of the vibration on the second bolt and the second nut, and greatly improving the stability of the installation.

[0020] 2. The shock absorbing device for the wind turbine generator set with stable support installs the auxiliary mounting seat on the auxiliary base through the first bolt and the first nut, so that the second spring and the second damper connected to the upper tube can be installed between the upper tube and the ground. The second spring and the second damper installed on the outside can buffer the vibration generated in the lateral direction, and support the upper tube in the lateral direction, thereby greatly improving the stability of the overall installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the implementation scheme of the utility model or the technical scheme in the prior art, the drawings required for use in the implementation scheme or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some implementation schemes of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0022] Figure 1 It is a three-dimensional diagram of the external structure of the utility model;

[0023] Figure 2 It is an enlarged view of the structure of point A of the utility model;

[0024] Figure 3 It is a partial structural stereogram of the utility model;

[0025] Figure 4 It is a three-dimensional diagram of the disassembled structure of the main body mounting seat of the utility model.

[0026] In the figure: 1. main body mounting seat; 2. vibration isolation assembly; 21. top plate; 22. bottom plate; 23. first spring; 24. first damper; 3. auxiliary assembly; 31. top connecting block; 32. bottom connecting block; 33. second spring; 34. second damper; 35. auxiliary base; 36. first bolt; 37. first nut; 38. auxiliary mounting seat; 4. bottom tube; 5. upper tube; 6. embedded base; 7. second bolt; 8. second nut. DETAILED DESCRIPTION

[0027] It should be noted that in the description of the embodiments of the present application, the terms "front, rear", "left, right", "up, down", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present application. The terms "install", "connect", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0028] The present application is further described in detail below through drawings and examples.

[0029] Reference Figures 1 to 4 The embodiment of the present application provides a shock absorbing device for a wind turbine generator set with stable support, including a main body mounting seat 1 and an embedded base 6, the embedded base 6 is embedded in the ground, a bottom tube 4 is fixedly installed on the top of the main body mounting seat 1, a vibration isolation component 2 is arranged on the top of the bottom tube 4, an upper tube 5 is arranged on the top of the vibration isolation component 2, an auxiliary component 3 is arranged on the outer side of the upper tube 5, the vibration isolation component 2 includes a top plate 21 and a bottom plate 22, the top plate 21 is fixedly installed on the bottom of the upper tube 5, the bottom plate 22 is fixedly installed on the top of the bottom tube 4, and a first spring 23 and a first damper 24 are fixedly installed between the top plate 21 and the bottom plate 22.

[0030] The first spring 23 is located outside the first damper 24, and the first springs 23 are evenly arranged outside the first damper 24. A second bolt 7 is fixedly installed on the top of the embedded base 6, and the second bolt 7 is inserted into the inside of the main body mounting seat 1. The main body mounting seat 1 fits on the top of the embedded base 6. A second nut 8 is screwed on the outside of the second bolt 7, and the second nut 8 is located above the main body mounting seat 1. Reinforcing ribs are fixedly installed at the connection between the bottom tube 4 and the main body mounting seat 1, the connection between the upper tube 5 and the top plate 21, and the connection between the bottom plate 22 and the bottom tube 4.

[0031] In this embodiment, when the whole is installed, the embedded base 6 is pre-fixed inside the ground, and the second bolt 7 above the embedded base 6 is inserted into the corresponding hole on the main body mounting seat 1, and the second nut 8 is screwed to the second bolt 7 to fix the main body mounting seat 1. The wind power generation equipment is installed on the top of the upper tube 5. When the equipment vibrates, the vibration will be transmitted downward through the upper tube 5. When it is transmitted to the vibration isolation component 2, the vibration is absorbed by the first spring 23 between the top plate 21 and the bottom plate 22, and the absorbed vibration is buffered by the first damper 24, thereby greatly reducing the vibration transmitted to the bottom tube 4, thereby reducing the impact of the vibration on the second bolt 7 and the second nut 8, and greatly improving the stability of the installation.

[0032] Reference Figures 1 to 4 In one aspect of the present embodiment, the auxiliary component 3 includes a top connecting block 31 and a bottom connecting block 32, the top connecting block 31 is hinged to the outside of the upper tube 5, a second damper 34 is fixedly installed between the bottom connecting block 32, and a second spring 33 is fixedly installed on the outside of the second damper 34 and between the top connecting block 31 and the bottom connecting block 32.

[0033] The auxiliary component 3 also includes an auxiliary base 35, which is pre-buried in the ground. An auxiliary mounting seat 38 is fixedly installed at the bottom of the bottom connecting block 32, and a first bolt 36 is fixedly installed at the top of the auxiliary base 35. The first bolt 36 is inserted into the auxiliary mounting seat 38, and a first nut 37 is threaded on the outer side of the first bolt 36. The first nut 37 is located above the auxiliary mounting seat 38.

[0034] In this embodiment, during installation, an auxiliary base 35 can be embedded around the embedded base 6, and the auxiliary mounting seat 38 can be installed on the auxiliary base 35 by means of the first bolt 36 and the first nut 37, so that the second spring 33 and the second damper 34 connected to the upper tube 5 can be installed between the upper tube 5 and the ground. The second spring 33 and the second damper 34 installed on the outside can buffer the vibration generated in the lateral direction, and support the upper tube 5 in the lateral direction, thereby greatly improving the stability of the overall installation.

[0035] Working principle: When the whole is installed, the embedded base 6 is pre-fixed inside the ground, and the second bolt 7 above the embedded base 6 is inserted into the corresponding hole on the main mounting seat 1, and the second nut 8 is screwed on the second bolt 7 to fix the main mounting seat 1. The wind power generation equipment is installed on the top of the upper tube 5. When the equipment vibrates, the vibration will be transmitted downward through the upper tube 5. When it is transmitted to the vibration isolation component 2, the first spring 23 between the top plate 21 and the bottom plate 22 absorbs the vibration, and the first damper 24 buffers the absorbed vibration, thereby greatly reducing the transmission to the bottom tube 4. Vibration, thereby reducing the influence of vibration on the second bolt 7 and the second nut 8, and greatly improving the stability of installation; during installation, the auxiliary base 35 can be embedded around the embedded base 6, and the auxiliary mounting seat 38 can be installed on the auxiliary base 35 through the first bolt 36 and the first nut 37, so that the second spring 33 and the second damper 34 connected to the upper tube 5 can be installed between the upper tube 5 and the ground. The second spring 33 and the second damper 34 installed on the outside can buffer the vibration generated in the lateral direction, and support the upper tube 5 in the lateral direction, thereby greatly improving the stability of the overall installation.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0037] Although the embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A shock absorbing device for a wind turbine generator set with stable support, comprising a main body mounting seat (1) and a pre-buried base (6), wherein the pre-buried base (6) is pre-buried inside the ground, and is characterized in that: A bottom tube (4) is fixedly mounted on the top of the main body mounting seat (1); a vibration isolation assembly (2) is arranged on the top of the bottom tube (4); an upper tube (5) is arranged on the top of the vibration isolation assembly (2); an auxiliary assembly (3) is arranged on the outer side of the upper tube (5); the vibration isolation assembly (2) comprises a top plate (21) and a bottom plate (22); the top plate (21) is fixedly mounted on the bottom of the upper tube (5); the bottom plate (22) is fixedly mounted on the top of the bottom tube (4); a first spring (23) and a first damper (24) are fixedly mounted between the top plate (21) and the bottom plate (22).

2. A shock absorbing device for a wind turbine generator set with stable support according to claim 1, characterized in that: The first spring (23) is located outside the first damper (24), and the first springs (23) are evenly arranged outside the first damper (24).

3. A shock absorbing device for a wind turbine generator set with stable support according to claim 1, characterized in that: A second bolt (7) is fixedly mounted on the top of the embedded base (6); the second bolt (7) is inserted into the interior of the main body mounting seat (1); the main body mounting seat (1) is fitted onto the top of the embedded base (6); a second nut (8) is threadedly connected to the outer side of the second bolt (7); the second nut (8) is located above the main body mounting seat (1).

4. A shock absorbing device for a wind turbine generator set with stable support according to claim 1, characterized in that: The connection between the bottom tube (4) and the main body mounting seat (1), the connection between the upper tube (5) and the top plate (21), and the connection between the bottom plate (22) and the bottom tube (4) are all fixedly mounted with reinforcing ribs.

5. The shock absorbing device for a wind turbine generator set with stable support according to claim 1, characterized in that: The auxiliary component (3) comprises a top connecting block (31) and a bottom connecting block (32), wherein the top connecting block (31) is hinged to the outside of the upper cylinder (5), a second damper (34) is fixedly installed between the bottom connecting block (32), and a second spring (33) is fixedly installed outside the second damper (34) and between the top connecting block (31) and the bottom connecting block (32).

6. A shock absorbing device for a wind turbine generator set with stable support according to claim 5, characterized in that: The auxiliary assembly (3) further comprises an auxiliary base (35), wherein the auxiliary base (35) is pre-buried in the ground, an auxiliary mounting seat (38) is fixedly mounted on the bottom of the bottom connecting block (32), a first bolt (36) is fixedly mounted on the top of the auxiliary base (35), the first bolt (36) is inserted into the auxiliary mounting seat (38), a first nut (37) is threadedly connected to the outer side of the first bolt (36), and the first nut (37) is located above the auxiliary mounting seat (38).

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