CN214366542U

CN214366542U - Pendulous device, damper and wind generating set

Info

Publication number: CN214366542U
Application number: CN202120382299.7U
Authority: CN
Inventors: 李双虎; 高杨; 徐志良
Original assignee: Xinjiang Goldwind Science and Technology Co Ltd
Current assignee: Jinfeng Technology Co ltd
Priority date: 2021-02-20
Filing date: 2021-02-20
Publication date: 2021-10-08
Anticipated expiration: 2031-02-20

Abstract

The utility model relates to a pendulous device, attenuator and wind generating set, pendulous device are used for the attenuator and include: the mounting component comprises a plate assembly and a connecting assembly, the plate assembly comprises a plurality of plate bodies which are arranged oppositely at intervals along the same direction, and the connecting assembly is connected between every two adjacent plate bodies to form a mounting space; the swing arms extend along the arrangement direction of the plurality of plate bodies, each swing arm is provided with rod units which are sequentially distributed along the arrangement direction and are arranged corresponding to the installation spaces, and the rod units are positioned in the installation spaces and clamped between the two adjacent plate bodies; the mass block is arranged in each mounting space and sleeved on the swing arm and connected with the plate body; and the adapter component is arranged on the mounting component and is used for being connected with an external component. The embodiment of the utility model provides a can satisfy the swing damping demand of attenuator, easily production and installation simultaneously.

Description

Pendulous device, damper and wind generating set

Technical Field

The utility model relates to a damping technical field especially relates to a pendulous device, attenuator and wind generating set.

Background

Dampers are devices that provide resistance to movement and dissipate the energy of the movement. Damping is utilized to absorb energy and reduce vibration, and the damping is already applied to the industries of aerospace, aviation, war industry, wind power and the like.

For example, in the field of wind power technology, a tower is a supporting structure of a wind generating set, and the structural safety and stability of the tower are related to the safety performance of the whole wind generating set. With the increasing capacity of wind generating sets, the height of the tower is increased, the frequency of the tower is decreased, and the problem of tower vibration is more and more prominent. In order to ensure the safe and stable operation of the tower and the whole machine, a damper is required to be arranged on the tower to inhibit the vibration of the tower and ensure the safe operation of the wind generating set.

The dampers are various, wherein the pendulum tuned mass damper has the advantages of meeting requirements of vibration reduction and load reduction in different directions, being easy to start, good in frequency stability and the like as a tuned mass damper, is more and more widely applied, and is particularly applied to the technical field of wind power.

However, when the existing pendulum tuned mass damper is used in the fields of wind power technology and the like, in order to meet the damping requirement, the swing arm of the swing device needs to be designed to be long in size, so that the swing device is difficult to produce and install.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides a pendulous device, attenuator and wind generating set, pendulous device can satisfy the swing damping demand of attenuator, easily production and installation simultaneously.

On the one hand, according to the utility model provides a pendulous device is proposed for the attenuator, pendulous device includes: the mounting component comprises a plate assembly and a connecting assembly, the plate assembly comprises a plurality of plate bodies which are arranged oppositely at intervals along the same direction, and the connecting assembly is connected between every two adjacent plate bodies to form a mounting space; the swing arms extend along the arrangement direction of the plurality of plate bodies, each swing arm is provided with rod units which are sequentially distributed along the arrangement direction and are arranged corresponding to the installation spaces, and the rod units are positioned in the installation spaces and clamped between the two adjacent plate bodies; the mass block is arranged in each mounting space and sleeved on the swing arm and connected with the plate body; and the adapter component is arranged on the mounting component and is used for being connected with an external component.

According to the utility model discloses an aspect, coupling assembling includes a plurality of interval distributions and follows the coupling unit that the direction of arranging extends respectively, and every coupling unit's one end is connected and the other end is connected with another person in two board bodies of adjacent setting with one in two board bodies of adjacent setting.

According to an aspect of the embodiment of the present invention, each connecting unit of the connecting assembly passes through the same plate body at one end in the arrangement direction and is detachably connected to the plate body; and/or the connection unit comprises one of a connection rod and a connection cable.

According to an aspect of the embodiment of the present invention, the rod unit is in a hollow tubular shape, and at least a part of the connecting units located in the same installation space pass through the inner cavity of the rod unit and are connected to the plate bodies which are adjacently arranged and commonly hold the rod unit; and/or the cross section of the rod units in the arrangement direction is in one of a circular ring shape and a regular polygonal ring shape.

According to an aspect of the embodiment of the present invention, the rod units are respectively provided with connecting flanges at both ends in the arrangement direction, and each connecting flange abuts against one of the plate bodies and is detachably connected with the plate body; and/or, every two adjacent plate bodies are oppositely provided with positioning grooves, and the rod unit is inserted between the two positioning grooves which are oppositely arranged.

According to the utility model discloses an aspect, the switching part includes first adaptor and second adaptor, and first adaptor rotates with the second adaptor to be connected, and the switching part is located the board body coupling in the outside through first adaptor and installation component in the direction of arranging, and the switching part passes through the second adaptor and is connected with external component.

According to the utility model discloses an aspect, the adaptor part still includes the ball connector, and first adaptor and second adaptor are the U-shaped structure body respectively and pass through ball connector ball joint.

According to the utility model discloses an aspect, pendulous device still includes the buffering part, and the swing arm is located and the board body in keeping away from the switching part setting is connected to the buffering part cover, is located the quality piece on the same board body and sets up with buffering part relatively on the direction of arranging.

According to the utility model discloses an aspect, the buffering part includes at the elastic buffer body and the pressure equalizing disc of the range upon range of setting of the direction of arranging, and the elastic buffer body coupling is between pressure equalizing disc and plate body, and the lateral wall of pressure equalizing disc is provided with the buffer layer, and the buffer layer extends and surrounds the pressure equalizing disc setting along the circumference of swing arm.

According to the utility model discloses an aspect, the quantity of plate body is three, and the centre gripping has the pole unit respectively between every two adjacent plate bodies, and one of them plate body in the three plate body is connected with the switching part and in the surplus plate body respectively towards one side of switching part be connected with the quality piece respectively, and the buffer member sets up the plate body that is located the middle part in the three plate body.

According to the utility model discloses an aspect, the quality piece includes a plurality of along the range upon range of setting of the orientation of arranging and the mass unit that connects gradually, be provided with on the mass unit with the shape assorted jack of pole unit, the mass unit is one in the circular, oval, polygon and the semi-circle in the ascending orthographic projection shape of arranging.

In another aspect, according to the present invention, a damper is provided, which includes the above-mentioned swinging device, damping device and frequency modulation device, and the damping device and the frequency modulation device are respectively connected to the swinging device.

In another aspect, according to the present invention, a wind turbine generator system includes the above damper.

According to the utility model provides a pendulous device, attenuator and wind generating set, pendulous device for the attenuator includes installation component, swing arm, quality piece and switching part, and the pendulous device is whole can be connected if treating the part of damping through switching part and external component. Because the installation component includes a plurality of board bodies that set up along same direction interval and relative, and adjacent board body passes through coupling assembling and connects and form the installation space, the swing arm includes the pole unit relative with the installation space and every pole unit centre gripping between two adjacent board bodies simultaneously to establish the swing arm setting with the quality piece cover and with board body coupling, make the external member when the vibration, the pendulous device is whole can absorb the kinetic energy of external member and convert to the swing that the swing arm drove the quality piece, satisfy the swing damping effect of applied attenuator. And the swing arm is arranged in a segmented manner and is matched with the mounting part, so that the swing arm is not limited by length and is beneficial to the integral production and mounting of the swing device.

Drawings

Features, advantages and technical effects of exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of a wind turbine generator system according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a damper according to an embodiment of the present invention;

fig. 3 is a schematic view of the overall structure of a swing device according to an embodiment of the present invention;

fig. 4 is a partial structural schematic view of a swing device according to an embodiment of the present invention;

FIG. 5 is an enlarged view at A in FIG. 4;

fig. 6 is a schematic cross-sectional structure diagram of the rod unit and the connection assembly according to an embodiment of the present invention;

fig. 7 is a schematic cross-sectional view illustrating the coupling of the rod unit and the coupling assembly according to another embodiment of the present invention;

fig. 8 is a schematic cross-sectional view of the rod unit of one embodiment of the present invention in cooperation with the connecting flange and the connecting assembly;

fig. 9 is a partial structural schematic view of a swing device according to another embodiment of the present invention;

fig. 10 is a schematic structural view of a cushioning member according to an embodiment of the present invention;

fig. 11 is a schematic view of the mass unit cooperating with the rod body and the connecting assembly according to an embodiment of the present invention;

figure 12 is a schematic view of the mass unit in cooperation with the rod body and the coupling assembly in accordance with another embodiment of the present invention;

fig. 13 is a schematic view of the mass unit in cooperation with the rod body and the connecting assembly according to yet another embodiment of the present invention;

figure 14 is a schematic view of the mass unit in cooperation with the rod body and the connecting assembly according to yet another embodiment of the present invention;

fig. 15 is a partial structural schematic view of a swing device according to still another embodiment of the present invention.

Wherein:

1-a damper;

100-a swing device;

10-a mounting part; 11-a plate assembly; 111-a plate body; 111 a-a positioning slot; 12-a connecting assembly; 121-a connection unit;

20-swing arm; 21-a rod unit; 211-a connecting segment; 22-a connecting flange;

30-a mass block; 31-mass unit; 32-a fixation rod;

40-an adapter component; 41-a first transfer member; 42-a second adaptor; 43-ball linker;

50-a cushioning component; 51-an elastic buffer; 52-uniform pressure plate; 53-a buffer layer;

200-a damping device; 300-frequency modulation device;

2-a tower;

3-a cabin;

4-a generator;

5-an impeller; 5 a-a hub; 5 b-a blade;

x-arrangement direction.

In the drawings, like parts are provided with like reference numerals. The figures are not drawn to scale.

Detailed Description

Features and exemplary embodiments of various aspects of the present invention will be described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the invention by illustrating examples of the invention. In the drawings and the following description, at least some well-known structures and techniques have not been shown in detail in order to avoid unnecessarily obscuring the present invention; also, the dimensions of some of the structures may be exaggerated for clarity. Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

The directional terms appearing in the following description are directions shown in the drawings, and do not limit the specific structure of the swing device, the damper and the wind turbine generator system of the present invention. In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as either a fixed connection, a removable connection, or an integral connection; can be directly connected or indirectly connected. The specific meaning of the above terms in the present invention can be understood as the case may be, by those of ordinary skill in the art.

As shown in fig. 1 and 2, an embodiment of the present invention provides a wind turbine generator system, including a wind turbine foundation, a tower 2, a nacelle 3, a generator 4, and an impeller 5. The tower 2 is at least partly connected to a wind turbine foundation, the nacelle 3 is arranged on top of the tower 2, and the generator 4 is arranged in the nacelle 3, and may be located inside the nacelle 3 or outside the nacelle 3. The impeller 5 includes a hub 5a and a plurality of blades 5b connected to the hub 5a, and the impeller 5 is connected to the rotor of the generator 4 through the hub 5a thereof. When wind power acts on the blades 5b, the whole impeller 5 and the rotor of the generator 4 are driven to rotate, and the power generation requirement of the wind generating set is further met.

With the increasing capacity of the wind generating set, the height of the tower 2 is increased, the frequency of the tower 2 is decreased, and the problem of vibration of the tower 2 is more and more prominent. In order to guarantee wind generating set's safe operation, the embodiment of the utility model provides a still provides a attenuator 1, and attenuator 1 can connect in pylon 2. Through set up attenuator 1 in 2 insides of pylon, can play the damping vibration attenuation to 2 pylons, reduce 2 holistic vibrations of pylon to guarantee wind generating set's safe operation.

As shown in fig. 2, as an alternative implementation manner, the embodiment of the present invention provides that the damper 1 includes a swinging apparatus 100, a damping apparatus 200, and a frequency modulation apparatus 300, and the damping apparatus 200 and the frequency modulation apparatus 300 are respectively connected to the swinging apparatus 100. Alternatively, one end of the damping device 200 and one end of the frequency modulation device 300 may be connected to the swing device 100, respectively, and one end of each of the damping device 200 and the frequency modulation device 300, which is far from the swing device 100, may be connected to the tower 2, respectively.

Optionally, in order to better satisfy the damping requirement for the tower 2 and suppress the vibration of the whole tower 2, the embodiment of the present invention further provides a novel swing device 100, where the swing device 100 may be an independent product, and of course, it may also be used for the damper 1 and be a component of the damper 1. The embodiment of the utility model provides a pendulous device 100 not only can satisfy the damping demand of attenuator 1, and easily production and installation.

For better understanding of the damping device 200 provided in the embodiment of the present invention, the swing device 100 according to the embodiment of the present invention will be described in detail below with reference to fig. 3 to 15.

As shown in fig. 3 and 4, the swing apparatus 100 according to the embodiment of the present invention includes a mounting member 10, a swing arm 20, a mass 30, and an adapter member 40. The mounting member 10 includes a plate assembly 11 and a connecting assembly 12, the plate assembly 11 includes a plurality of plate bodies 111 spaced apart and oppositely disposed along the same direction, and the connecting assembly 12 is connected between every two adjacent plate bodies 111 and forms a mounting space. The swing arm 20 extends along the arrangement direction X of the plurality of plate bodies 111, the swing arm 20 has rod units 21 which are sequentially distributed along the arrangement direction X and are correspondingly arranged with the installation spaces, and the rod units 21 are located in the installation spaces and clamped between the two adjacent plate bodies 111. A mass block 30 is respectively arranged in each installation space, and the mass block 30 is sleeved on the swing arm 20 and connected with the plate body 111. The adaptor part 40 is provided to the mounting part 10 for connection with an external member. In this example, the external member may be the tower 2.

The embodiment of the present invention provides a swing device 100, which can be integrally connected to an external member such as a tower 2 through an adapter 40. Because the installation component 10 includes a plurality of plate bodies 111 that are spaced and arranged oppositely along the same direction, and adjacent plate bodies 111 are connected through the connecting assembly 12 to form an installation space, and simultaneously the swing arm 20 includes the rod unit 21 that is opposite to the installation space and each swing arm 20 is clamped between two adjacent plate bodies 111, and the mass block 30 is sleeved on the swing arm 20 and connected with the plate bodies 111, so that the external member vibrates, if the tower 2 vibrates, the whole swing device 100 can absorb the kinetic energy of the external member and convert the kinetic energy into the swing of the swing arm 20 to drive the mass block 30, and the swing damping effect of the applied damper 1 is satisfied. And the swing arm 20 of the swing device 100 is arranged in a segmented manner and is matched with the mounting part 10, so that the length of the swing device is not limited, and the production and the mounting of the swing device 100 are facilitated.

The embodiment of the utility model provides a pendulous device 100, the quantity of the board body 111 that its installing component 10 includes can set up according to the length of swing arm 20, when the required length of swing arm 20 is longer, can make the corresponding increase in quantity of board body 111. For better understanding of the swing device 100 provided in the embodiment of the present invention, the mounting member 10 includes three plate bodies 111, and two mounting spaces are formed in succession. When the number of the plate bodies 111 is three, the rod unit 21 is respectively sandwiched between every two adjacent plate bodies 111, one plate body 111 of the three plate bodies 111 is connected to the adaptor member 40, and the mass blocks 30 are respectively connected to the sides of the remaining plate bodies 111, which respectively face the adaptor member 40. That is, when two installation spaces are formed, two masses 30 are provided accordingly. Of course, this is an alternative example, and the plate body 111 may also be more than three, such as four, five, etc. Accordingly, the number of the rod units 21 and the mass blocks 30 may be adjusted as needed based on the number of the formed installation spaces.

As shown in fig. 4 and fig. 5, as an optional implementation manner, in the swing apparatus 100 provided in the embodiment of the present invention, the connection assembly 12 includes a plurality of connection units 121 distributed at intervals and respectively extending along the arrangement direction X of the plurality of plate bodies 111, one end of each connection unit 121 is connected to one of the two adjacent plate bodies 111, and the other end is connected to the other of the two adjacent plate bodies 111. The connection unit 121 and the plate body 111 may be directly connected or indirectly connected. The connecting assembly 12 adopts the above form, and can ensure the connecting strength between two adjacent plate bodies 111, and further ensure the clamping effect on the rod unit 21, so that the rod unit 21 can be stably clamped between two adjacent plate bodies 111.

In some optional embodiments, in the swing device 100 provided in the present invention, each connection unit 121 of the connection assembly 12 passes through the same plate body 111 at one end of the arrangement direction X of the plurality of plate bodies 111 and is detachably connected to the plate body 111. By making one end of the connection unit 121 in the arrangement direction X pass through the board body 111, it can be ensured that the connection unit 121 is exposed to the board body 111, so as to ensure convenience in daily maintenance of the connection unit 121.

Optionally, a lock nut may be disposed on the connection unit 121, so that the lock nut is pressed against the surface of the plate body 111 away from the clamped rod unit 21, thereby ensuring the connection strength between the connection unit 121 and the plate body 111, and facilitating applying a certain pretightening force by a torque wrench, thereby realizing the pretightening of the swing arm 20.

As an alternative embodiment, the connection unit 121 may include one of a connection rod and a connection cable, and the connection strength is high.

As shown in fig. 5 and 6, in some alternative embodiments, the rod unit 21 has a hollow tubular shape, and at least a part of the number of the connection units 121 located in the same installation space passes through the inner cavity of the rod unit 21 and is connected to the plate bodies 111 which are adjacently disposed and commonly hold the rod unit 21. Through restricting pole unit 21 to hollow tubular structure form, can reduce the cost of swing arm 20 on the basis of guaranteeing the intensity requirement, simultaneously, can also do benefit to the linkage unit 121 and pass by the inside of pole unit 21, can dodge the installation of quality piece 30.

As an optional implementation manner, in the swing device 100 provided in the embodiment of the present invention, the cross-sectional shape of the rod unit 21 in the arrangement direction X is a circular ring shape, and correspondingly, the plurality of connecting units 121 of the correspondingly disposed connecting assembly 12 are distributed at intervals in the circumferential direction of the rod unit 21. Alternatively, the included angle between two adjacent connection units 121 is the same, that is, the plurality of connection units 121 are spaced and uniformly arranged in the circumferential direction of the rod unit 21. It is ensured that the clamping forces acting on the lever unit 21 in the circumferential direction by the adjacent two plate bodies 111 are uniform or tend to be uniform.

It is understood that the cross section of the rod unit 21 in the arrangement direction X is circular, which is only an alternative embodiment, and in some embodiments, as shown in fig. 7, the cross section of the rod unit 21 in the arrangement direction X may also be regular polygonal, for example, in some embodiments, the cross section of the rod unit 21 in the arrangement direction X may also be regular square, as long as the performance requirement of the swing arm 20 can be satisfied.

As an alternative embodiment, as shown in fig. 5 and 8, the rod unit 21 is provided with connecting flanges 22 at two ends of the arrangement direction X, and each connecting flange 22 abuts against one of the plate bodies 111 and is detachably connected with the plate body 111. Since the swing arm 20 is the core load bearing device of the swing device 100, the swing device 100 is typically large to ensure safety, and the connecting assembly 12 of the mounting member 10 is dangerous and difficult to predict in the event of loosening. Therefore, the rod unit 21 of the swing arm 20 is clamped outside the two adjacently arranged plate bodies 111 through the connecting assembly 12, and in addition, the connecting flange 22 is arranged on the rod unit 21 and connected with the corresponding plate body 111, so that additional safety protection is provided, even if the connecting assembly 12 is loosened and arranged and fails, the normal operation of the swing device 100 can be ensured through the connection of the connecting flange 22, and the safety performance of the swing device is improved.

With continued reference to fig. 5 to 8, in some alternative embodiments, each two adjacent plate bodies 111 are oppositely disposed with a positioning groove 111a, and the rod unit 21 is inserted between the two oppositely disposed positioning grooves 111 a. Through setting up constant head tank 111a, can make a plurality of pole units 21 quick location when assembling with the board body 111, and can guarantee the axiality between two above pole units 21 to, can also guarantee the joint strength between board body 111 and the corresponding board body 111.

As shown in fig. 9, as an optional implementation manner, in the swing apparatus 100 provided in the embodiment of the present invention, the rod unit 21 may include two or more connection sections 211 in the arrangement direction X, and two adjacent connection sections 211 are detachably connected to each other through a flange, so that when the length of a single rod unit 21 is too long, the single rod unit is again split, and the requirements of processing and installation of the whole swing arm 20 are further met.

In some optional embodiments, in the swing device 100 provided in the present invention, the adaptor part 40 includes the first adaptor 41 and the second adaptor 42, the first adaptor 41 is rotatably connected to the second adaptor 42, the adaptor part 40 is connected to the plate body 111 located on the outermost side of the mounting part 10 in the arrangement direction X through the first adaptor 41, and the adaptor part 40 is connected to the external component through the second adaptor 42. The adapting component 40 adopts the above structural form, which is beneficial to the connection between external components such as the tower 2 and the like, and can absorb the kinetic energy of the external components and convert the kinetic energy into the swing of the swing arm 20 driving the mass block 30 and the like, so as to achieve the purpose of damping the vibration of the damper 1.

As an optional implementation manner, the swing device 100 provided in the embodiment of the present invention further includes a ball connecting body 43, and the first adaptor 41 and the second adaptor 42 are respectively a U-shaped structure and are ball-hinged by the ball connecting body 43. To achieve a universal connection between the first adapter 41 and the second adapter 42, so that the pendulum device 100, when used in the damper 1, can achieve a damping requirement in multiple directions. In addition, the adapter part 40 adopts the above structure, has high strength, can effectively bear the weight of the swing arm 20, the mass block 30, the mounting part 10 and other devices, and ensures the safety performance.

As shown in fig. 3 and fig. 10, as an optional implementation manner, the swing apparatus 100 according to an embodiment of the present invention further includes a buffering member 50, the buffering member 50 is sleeved on the swing arm 20 and connected to the plate body 111 far away from the adaptor member 40, and the mass block 30 on the same plate body 111 and the buffering member 50 are disposed opposite to each other in the arrangement direction X.

Considering that the limit collision load is large, in order to ensure the self-stress safety of the swing device 100, the correspondingly arranged buffer component 50 can enable the swing device 100 to play a role of limit buffer when in limit collision with the outside in the swing process, so as to avoid the damage of the limit collision load on the whole swing device 100 and ensure the service life of the swing device 100.

As an alternative embodiment, when the two masses 30 are provided, the buffer member 50 is located between the two masses 30 to better ensure the safety of the swing device 100 under stress.

In some optional embodiments, the buffer member 50 includes an elastic buffer body 51 and a pressure equalizing plate 52, which are stacked in the arrangement direction X, the elastic buffer body 51 is connected between the pressure equalizing plate 52 and the plate body 111, a side wall of the pressure equalizing plate 52 is provided with a buffer layer 53, and the buffer layer 53 extends along a circumferential direction of the swing arm 20 and is disposed to surround the pressure equalizing plate 52. In order to ensure that the whole elastic buffer body 51 participates in deformation buffering in the collision process, the lower end of the elastic buffer body 51 is connected with the pressure equalizing disc 52, and when the pressure equalizing disc 52 collides with an external structure, collision force can be uniformly transmitted to the whole elastic buffer body 51, so that the elastic buffer body 51 is uniformly loaded, and the damage caused by local loading is avoided. The correspondingly arranged buffer layer 53 can avoid damage to external components such as the limiting structure at the end of the tower 2 during limiting collision.

Alternatively, the entire damping member 50 may be an annular body coaxial with the swing arm 20 and disposed around the swing arm 20, alternatively, the elastic damping body 51 may be a rubber body, a spring, or an air bag, the pressure equalizing disc 52 may be a metal body with good ductility, such as an aluminum plate, and the damping layer 53 may be a rubber body.

Alternatively, when the number of the plate bodies 111 is three, the buffer member 50 is provided to the plate body 111 positioned at the center among the three plate bodies 111. The buffering effect is effectively ensured, and the end of each connecting unit 121 of the connecting assembly 12, which is far away from the buffering component 50 in the arrangement direction X, passes through the same plate body 111 and is detachably connected with the plate body 111, so that the interference with the buffering component 50 can be avoided.

As shown in fig. 3 and fig. 11, as an optional implementation manner, in the swing device 100 according to an embodiment of the present invention, the mass block 30 includes a plurality of mass units 31 stacked and connected in sequence along the arrangement direction X, and the mass units 31 are provided with insertion holes matched with the shape of the rod unit 21. Alternatively, the stacked mass units 31 comprised by the mass 30 may be detachably connected to each other by fixing rods 32.

As shown in fig. 12 to 14, alternatively, the center of gravity of each mass unit 31 coincides with the center of gravity of the swing arm 20. In some alternative examples, the orthographic projection shape of the mass unit 31 in the arrangement direction X may be circular. Of course, this is an alternative embodiment, and in some embodiments, the orthographic projection shape of the mass unit 31 in the arrangement direction X may be an ellipse as shown in fig. 12, a semicircle as shown in fig. 13, or a polygon as shown in fig. 14. When being the polygon, it can be triangle-shaped, also can be quadrangle certainly, as long as can satisfy the performance requirement of swing part all can, the utility model discloses do not specifically limit.

Alternatively, the structural form of the mass blocks 30 in each installation space may be the same, and of course, the shape may be different according to the requirement, for example, in some embodiments, the outermost mass block 30 located away from the adapting member 40 may be made to be an inverted cone as a whole, so as to achieve better space utilization during swinging.

As shown in fig. 15, it can be understood that the above embodiments of the present invention are exemplified by the case that each connecting unit 121 of the connecting assembly 12 is disposed inside the rod unit 21 and directly connected to the corresponding plate body 111, which is an optional implementation manner, in some embodiments, each connecting unit 121 of the connecting assembly 12 may be disposed outside the rod unit 21, and one end of each connecting unit may be indirectly connected to the corresponding plate body 111 through the mass block 30, as long as the connecting strength between the rod unit 21 and the corresponding plate body 111 can be satisfied, and the safety performance requirement of the swing device 100 can be ensured. In some embodiments, the connection assemblies 12 may be disposed inside and outside the rod unit 21, as long as the clamping effect of the plate bodies 111 disposed adjacent to each other on the rod unit 21 can be ensured.

The embodiment of the utility model provides a pendulous device 100 when being used for attenuator 1, can be connected with external member through switching part 40 for external member is when the vibration, makes pendulous device 100 whole can absorb external member's kinetic energy and convert to the swing that swing arm 20 drove quality piece 30, satisfies the damping effect of applied attenuator 1. And the swing arm 20 is arranged in a segmented manner and is matched with the mounting part 10, so that the swing device is not limited by length and is beneficial to the production and mounting of the swing device 100. The embodiment of the utility model provides a damper 1, it includes pendulous device 100, damping device 200 and frequency modulation device 300 that above-mentioned each embodiment provided, can satisfy the swing damping demand to external member, and do benefit to production and installation. And the correspondingly provided wind generating set can effectively reduce vibration through the damper 1, ensure safe and stable operation and improve power generation benefits.

While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present invention is not limited to the particular embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims

1. A pendulum device (100) for a damper (1), the pendulum device (100) comprising:

the mounting component (10) comprises a plate assembly (11) and a connecting assembly (12), wherein the plate assembly (11) comprises a plurality of plate bodies (111) which are arranged oppositely at intervals along the same direction, and the connecting assembly (12) is connected between every two adjacent plate bodies (111) to form a mounting space;

the swing arm (20) extends along the arrangement direction (X) of the plate bodies (111), the swing arm (20) is provided with rod units (21) which are sequentially distributed along the arrangement direction (X) and are arranged corresponding to the installation spaces, and the rod units (21) are positioned in the installation spaces and clamped between two adjacent plate bodies (111);

the mass block (30) is arranged in each mounting space, and the mass block (30) is sleeved on the swing arm (20) and connected with the plate body (111);

an adapter component (40) arranged on the mounting component (10) and used for connecting with an external member.

2. The oscillating device (100) according to claim 1, wherein the connecting assembly (12) comprises a plurality of connecting units (121) which are distributed at intervals and extend along the arrangement direction (X), respectively, and one end of each connecting unit (121) is connected with one of the two adjacent plate bodies (111) and the other end is connected with the other of the two adjacent plate bodies (111).

3. The oscillating device (100) according to claim 2, characterized in that each of the connection units (121) of the connection assembly (12) passes through the same plate body (111) at one end in the direction of arrangement (X) and is detachably connected to the plate body (111);

and/or the connection unit (121) comprises one of a connection rod and a connection cord.

4. The oscillating device (100) according to claim 2, characterized in that the rod unit (21) is hollow and tubular, and at least a partial number of the connecting units (121) located in the same installation space pass through the inner cavity of the rod unit (21) and are connected to the plate bodies (111) which are adjacently arranged and jointly clamp the rod unit (21);

and/or the cross-sectional shape of the rod unit (21) in the arrangement direction (X) is one of a circular ring shape and a regular polygonal ring shape.

5. The oscillating device (100) according to claim 1, wherein the rod unit (21) is provided with connecting flanges (22) at both ends of the arrangement direction (X), respectively, each connecting flange (22) abutting against one of the plate bodies (111) and being detachably connected with the plate body (111);

and/or each two adjacent plate bodies (111) are oppositely provided with positioning grooves (111a), and the rod unit (21) is inserted between the two oppositely arranged positioning grooves (111 a).

6. The oscillating device (100) according to any one of claims 1 to 5, wherein the adapter member (40) comprises a first adapter (41) and a second adapter (42), the first adapter (41) being rotationally connected to the second adapter (42), the adapter member (40) being connected to the plate body (111) of the mounting member (10) located outermost in the direction of arrangement (X) through the first adapter (41), the adapter member (40) being connected to the external component through the second adapter (42).

7. The oscillating device (100) according to claim 6, characterized in that said adapter element (40) further comprises a ball connection body (43), said first adapter element (41) and said second adapter element (42) each presenting a U-shaped structure and being ball-hinged by said ball connection body (43).

8. The oscillating device (100) according to any one of claims 1 to 5, wherein the oscillating device (100) further comprises a buffer member (50), the buffer member (50) is sleeved on the oscillating arm (20) and connected to the plate body (111) disposed away from the adapter member (40), and the mass (30) and the buffer member (50) on the same plate body (111) are disposed opposite to each other in the arrangement direction (X).

9. The oscillating device (100) according to claim 8, wherein the buffer member (50) comprises an elastic buffer body (51) and a uniform pressure plate (52) which are stacked in the arrangement direction (X), the elastic buffer body (51) is connected between the uniform pressure plate (52) and the plate body (111), a buffer layer (53) is disposed on a side wall of the uniform pressure plate (52), and the buffer layer (53) extends along a circumferential direction of the swing arm (20) and is disposed to surround the uniform pressure plate (52).

10. The oscillating device (100) according to claim 8, wherein the number of the plate bodies (111) is three, the rod unit (21) is respectively clamped between every two adjacent plate bodies (111), one plate body (111) of the three plate bodies (111) is connected to the adapter member (40) and the mass blocks (30) are respectively connected to the sides of the remaining plate bodies (111) facing the adapter member (40), and the buffer member (50) is disposed on the plate body (111) located at the middle of the three plate bodies (111).

11. The oscillating device (100) according to any one of claims 1 to 5, wherein the mass block (30) comprises a plurality of mass units (31) stacked and connected in sequence along the arrangement direction (X), the mass units (31) are provided with insertion holes matching the shape of the rod unit (21), and the orthographic projection shape of the mass units (31) in the arrangement direction (X) is one of circular, elliptical, polygonal and semicircular.

12. A damper (1) comprising a rocking device (100) according to any one of claims 1 to 11, a damping device (200) and a frequency modulation device (300), the damping device (200) and the frequency modulation device (300) being connected to the rocking device (100), respectively.

13. A wind park according to claim 12, comprising a damper (1) according to claim 12.