CN219388070U - Integrated transmission assembly, energy conversion equipment and wind generating set - Google Patents

Abstract

The utility model relates to an integrated transmission assembly, energy conversion equipment and wind generating set, the integrated transmission assembly includes: the first transmission piece is provided with a cavity and comprises a first movable ring and a first stationary ring which are in rotating fit and are coupled with each other; the second transmission piece is arranged in the cavity and comprises a second movable ring and a second stationary ring which are in running fit and are coupled with each other, and the second stationary ring and the first stationary ring are arranged in an insulating manner and are connected with each other; the third transmission piece is arranged in the cavity, the third transmission piece and the second transmission piece are distributed along the axial direction of the first transmission piece, the third transmission piece comprises a third movable ring and a third stationary ring which are in running fit and are connected in a coupling mode, the third movable ring is arranged in an insulating mode and connected with the first movable ring, and the third stationary ring is arranged in an insulating mode and connected with one of the first stationary ring and the second stationary ring. The utility model has the advantages that a plurality of transmission parts are integrated into a whole, the occupied space is small, and the construction difficulty is reduced.

Description

Integrated transmission assembly, energy conversion equipment and wind generating set

Technical Field

The utility model relates to the technical field of energy transmission, in particular to an integrated transmission assembly, energy conversion equipment and a wind generating set.

Background

In the operation of an energy conversion device, such as a power generation device, it is generally necessary to provide a slip ring, or other devices (hereinafter referred to as transmission members) that can transmit power and signals between a fixed member and a rotating member. In the related art, the transmission parts of the devices capable of realizing the transmission of power and signals between the fixed part and the rotating part are arranged in a scattered manner according to the respective functions, and installation and operation space is required to be provided at different positions.

Along with the iterative upgrade of the power generation system, the requirement on the integration degree is higher and higher, and the space for dispersedly installing different types of transmission pieces is continuously reduced, so that the construction difficulty of equipment applied by each transmission piece is high.

Disclosure of Invention

The embodiment of the utility model provides an integrated transmission assembly, energy conversion equipment and a wind generating set, wherein the integrated transmission assembly integrates a plurality of transmission pieces into a whole, so that the occupied space is small and the construction difficulty is reduced.

In one aspect, an embodiment of the present utility model provides an integrated transmission assembly, including: the first transmission piece is provided with a cavity and comprises a first movable ring and a first stationary ring which are in rotating fit and are coupled with each other; the second transmission piece is arranged in the cavity and comprises a second movable ring and a second stationary ring which are in running fit and are coupled with each other, and the second stationary ring and the first stationary ring are arranged in an insulating manner and are connected with each other; the third transmission piece is arranged in the cavity, the third transmission piece and the second transmission piece are distributed along the axial direction of the first transmission piece, the third transmission piece comprises a third movable ring and a third stationary ring which are in running fit and are connected in a coupling mode, the third movable ring is arranged in an insulating mode and connected with the first movable ring, and the third stationary ring is arranged in an insulating mode and connected with one of the first stationary ring and the second stationary ring.

According to an aspect of an embodiment of the utility model, the first transmission member, the second transmission member and the third transmission member are coaxially arranged with each other.

According to one aspect of an embodiment of the utility model, one of the first, second and third transmissions comprises a slip ring, one comprises a slip ring and one comprises an encoder.

According to one aspect of the embodiment of the utility model, the first stationary ring comprises a mounting frame and a plurality of support rings which are distributed along the axial direction and are arranged at intervals, each support ring is connected with the mounting frame, and each support ring is used for arranging a brush block which is in sliding contact with and is electrically connected with the first movable ring.

According to one aspect of the embodiment of the utility model, the first stationary ring further comprises a plurality of connecting columns connected to the mounting frame, the connecting columns are distributed at intervals in the circumferential direction of the first movable ring, and each connecting column is sequentially inserted into the plurality of support rings along the axial direction and is in insulating connection with the support rings.

According to an aspect of the embodiment of the present utility model, the mounting bracket is provided with a first wiring level at an end axially facing away from the third transmission member, and at least one of the first transmission member, the second transmission member, and the third transmission member is electrically connected to the first wiring level.

According to one aspect of the embodiment of the utility model, the first movable ring comprises a mounting cylinder, a plurality of conductive rings arranged on the mounting cylinder and a wiring terminal, wherein the wiring terminal is arranged in an insulating manner with the mounting cylinder and is electrically connected with the conductive rings, and the conductive rings are in sliding contact with the brush blocks and are electrically connected with the brush blocks.

According to one aspect of the embodiment of the utility model, the mounting frame is provided with a maintenance hole extending along the axial direction, and the orthographic projection of the wiring terminal along the axial direction is positioned in the orthographic projection of the maintenance hole.

According to one aspect of the embodiment of the utility model, the mounting cylinder comprises a cylinder body and a connecting flange, the cylinder body is axially inserted into the first static ring, the conducting ring and the wiring terminal are arranged on the cylinder body, and one end of the cylinder body in the axial direction protrudes out of the first static ring and is connected with the connecting flange.

According to one aspect of the embodiment of the utility model, the connecting flange is provided with a first wire passing hole which is penetrated along the axial direction, and the cylinder body is provided with a second wire passing hole which is penetrated along the radial direction of the cylinder body and a first wire passing channel which is penetrated along the axial direction.

According to an aspect of the embodiment of the present utility model, the integrated transmission assembly further includes a fixing sleeve, the fixing sleeve is disposed in the cavity and located between the first transmission member and the second transmission member, and the fixing sleeve is connected to the first moving ring and forms a first wire passing channel with the first moving ring.

According to one aspect of the embodiment of the utility model, the second stationary ring and the mounting frame are of an integrated structure, the second transmission piece further comprises a first bearing, the first bearing is connected between the second movable ring and the second stationary ring, and a second wiring position is arranged at one end of the second movable ring in the axial direction.

According to one aspect of the embodiment of the utility model, an adapter ring is arranged on the inside of the mounting frame, a third movable ring is connected with the adapter ring, and a third stationary ring is connected with the second stationary ring.

According to one aspect of the embodiment of the utility model, a third wire passing hole extending along the axial direction is arranged on the third static ring, a second wire passing channel is arranged on the second static ring, and the third wire passing hole is communicated with the second wire passing channel.

According to an aspect of the embodiment of the present utility model, the integrated transmission assembly further includes a fixing sleeve, the fixing sleeve is disposed in the cavity and located between the first transmission member and the second transmission member, and the fixing sleeve is connected to the first moving ring and encloses a cable accommodating space with the first moving ring.

In another aspect, an embodiment according to the present utility model provides an energy conversion apparatus including: the integrated transmission assembly; the energy conversion piece comprises a rotating part and a fixed part which are coaxially arranged, a first movable ring is connected with the rotating part, and a first stationary ring is connected with the fixed part; the transmission piece at least partially stretches into the energy conversion piece and can rotate relative to the energy conversion piece, and the transmission piece is connected with the second movable ring.

According to another aspect of an embodiment of the utility model, the energy conversion member comprises a generator, the rotating part comprises a rotor, and the stationary part comprises a stator, and the transmission member is tubular and has a threading passage therein.

According to another aspect of the embodiment of the present utility model, the energy conversion device further includes a butting member, one end of the butting member in the axial direction is fixedly connected with the second moving ring, and the other end of the butting member is in clamping fit with the transmission member.

In a further aspect, according to an embodiment of the present utility model, a wind power plant is provided, comprising an energy conversion device as described above.

According to the integrated transmission assembly, the energy conversion equipment and the wind generating set provided by the embodiment of the utility model, the integrated transmission assembly comprises the first transmission piece, the second transmission piece and the third transmission piece, the first transmission piece, the second transmission piece and the third transmission piece are respectively provided with independent power or signal transmission capability, the second transmission piece and the third transmission piece are distributed along the axial direction of the first transmission piece and are arranged in the cavity, the occupied space of the first transmission piece, the second transmission piece and the third transmission piece can be reduced, the second stationary ring and the first stationary ring are arranged in an insulating way and are connected, the third stationary ring is arranged in an insulating way and is connected with the first stationary ring, and the third stationary ring is arranged in an insulating way and is connected with one of the first stationary ring and the second stationary ring, so that the first transmission piece, the second transmission piece and the third transmission piece can be connected into a whole, and the construction difficulty is reduced.

Drawings

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

FIG. 1 is an isometric view, partially in section, of an integrated transmission assembly according to one embodiment of the utility model;

FIG. 2 is a front view of an integrated transmission assembly according to one embodiment of the present utility model;

FIG. 3 is a cross-sectional view taken along the direction A-A in FIG. 2;

FIG. 4 is a front view of an energy conversion device according to one embodiment of the present utility model;

FIG. 5 is a cross-sectional view taken along the direction B-B in FIG. 4;

FIG. 6 is an isometric view of an energy conversion device according to one embodiment of the utility model, partially in section;

FIG. 7 is an enlarged view of a portion of FIG. 5 at C;

FIG. 8 is a schematic view of a wind turbine generator system according to an embodiment of the present utility model.

Wherein:

1-an energy conversion device;

10-energy conversion element; 11-a rotating part; 12-a fixing part;

20-an integrated transmission assembly;

21-a first transfer element;

211-a first moving ring;

2111-mounting a cartridge; 2111 a-cartridge body; 2111 b-second via hole; 2111 c-first wire-passing channel; 2111 e-connecting flange; 2111f—a first via; 2111 g-adaptor ring;

2112-conducting ring; 2113-connecting terminals;

212-a first stationary ring;

2121-mounting rack; 2121 a-first wiring location; 2121 b-maintenance holes;

2122-support ring; 2123-connecting columns; 2124-brush block;

213-cavity;

22-a second transfer element; 221-a second ring; 2211-second wiring level; 222-a second stationary ring; 2221-second wire-passing channel;

23-a third transfer element; 231-a third ring; 232-a third stationary ring; 2321-a third via; 24-fixing sleeve;

30-a housing; 40-butting piece; 41-inserting protrusions;

2-a gear box; 201-a box body; 202-an output shaft;

3-a transfer member; 3 A-A plug-in slot; 4-nacelle; 5-impeller; 6-tower;

x-axis direction; y-circumferential direction; z-radial.

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

Detailed Description

Features and exemplary embodiments of various aspects of the utility model are described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the utility model. It will be apparent, however, to one skilled in the art that the present utility model 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 utility model by showing examples of the utility model. In the drawings and the following description, at least some well-known structures and techniques have not been shown in detail in order not to unnecessarily obscure the present utility model; 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 all directions shown in the drawings and are not intended to limit the specific structures of the integrated transmission assembly, the energy conversion device, and the wind turbine generator set of the present utility model. In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected. The specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art.

As shown in fig. 1 to 5, an integrated transmission assembly 20 according to an embodiment of the present utility model includes a first transmission member 21, a second transmission member 22, and a third transmission member 23. The first transmission member 21 has a cavity 213 (see fig. 5), and the first transmission member 21 includes a first movable ring 211 and a first stationary ring 212 which are rotatably fitted and coupled to each other. The second transmission member 22 is disposed in the cavity 213, and the second transmission member 22 includes a second moving ring 221 and a second stationary ring 222 that are rotatably coupled to each other, and the second stationary ring 222 and the first stationary ring 212 are disposed and connected in an insulating manner. The third transmission member 23 is disposed in the cavity 213, the third transmission member 23 and the second transmission member 22 are distributed along the axial direction X of the first transmission member 21, the third transmission member 23 includes a third moving ring 231 and a third static ring 232 that are in a rotating fit and coupled to each other, the third moving ring 231 is disposed and connected with the first moving ring 211 in an insulating manner, and the third static ring 232 is disposed and connected with one of the first static ring 212 and the second static ring 222 in an insulating manner.

The first transmission member 21, the second transmission member 22, and the third transmission member 23 include, but are not limited to, one of a slip ring, and an encoder, etc. The first transfer element 21, the second transfer element 22 and the third transfer element 23 may each comprise different functional elements. Of course, it is also possible to make both include the same functional device, which can be specifically set according to the requirements of the environment of use.

According to the integrated transmission assembly 20 provided by the embodiment of the utility model, the first transmission piece 21, the second transmission piece 22 and the third transmission piece 23 have the capability of independent power transmission or signal transmission, the second transmission piece 22 and the third transmission piece 23 are distributed along the axial direction of the first transmission piece 21 and are arranged in the cavity 213 by arranging the cavity 213 in the first transmission piece 21, the space occupied by the first transmission piece 21, the second transmission piece 22 and the third transmission piece 23 can be reduced, the second static ring 222 and the first static ring 212 are arranged in an insulating way and are connected, the third movable ring 231 is arranged in an insulating way and is connected with the first movable ring 211, and the third static ring 232 is arranged in an insulating way and is connected with one of the first static ring 212 and the second static ring 222, so that the first transmission piece 21, the second transmission piece 22 and the third transmission piece 23 can be integrally connected, and can be integrally installed during installation, and the construction difficulty is reduced.

In some alternative embodiments, the integrated transmission assembly 20, the first transmission member 21, the second transmission member 22, and the third transmission member 23 provided in the embodiments of the present utility model are coaxially disposed with each other.

The first moving ring 211, the first stationary ring 212, the second moving ring 221, the second stationary ring 222, the third moving ring 231, and the third stationary ring 232 may be coaxially disposed with each other.

The integrated transmission assembly 20 provided in the embodiment of the present utility model facilitates the insulation and connection of the second stationary ring 222 and the first stationary ring 212 by arranging the first transmission member 21, the second transmission member 22 and the third transmission member 23 coaxially with each other, the insulation and connection of the third movable ring 231 and the first movable ring 211, and the insulation and connection of the third stationary ring 232 and one of the first stationary ring 212 and the second stationary ring 222. Moreover, the above arrangement can be beneficial to meeting the coaxial arrangement requirement of all devices connected with the integrated transmission assembly 20 in the equipment applied by the integrated transmission assembly 20, and solve the problem of difficult coaxial arrangement.

In some alternative embodiments, embodiments of the present utility model provide an integrated transmission assembly 20, one of the first transmission member 21, the second transmission member 22, and the third transmission member 23 comprising a slip ring, one comprising a slip ring, and one comprising an encoder.

The slip ring can be understood as: any electrical components that require continuous rotation while transmitting power and signals from a stationary position to a rotating position are required. The system can improve the system performance, simplify the system structure and avoid the strain caused by the wire in the rotating process.

Slip rings can be understood as: electrical components responsible for communicating, delivering electrical energy and/or signals to the rotating body, electrical components capable of transmitting electrical power and signals from a fixed position to a rotating position.

The encoder can be understood as: devices for programming, converting signals (e.g., bitstreams) or data into signal form that can be used for communication, transmission and storage.

Illustratively, the first transfer member 21 may be made to include a slip ring, the second transfer member 22 may be made to include a slip ring, the third transfer member 23 may be made to include an encoder, in some examples, the first transfer member 21 may also be made to include a slip ring, the second transfer member 22 may include a slip ring, the third transfer member 23 may include an encoder, and of course, in some other examples, the first transfer member 21, the second transfer member 22 may each include a slip ring or a slip ring.

Through the above arrangement, the integrated transmission assembly 20 provided by the embodiment of the utility model can ensure that the integrated transmission assembly 20 can realize transmission of multiple paths of power sources and signals, and meanwhile, the rotation speed, the phase and the like of corresponding components can be detected through the encoder.

In some alternative embodiments, embodiments of the present utility model provide an integrated transmission assembly 20,

with continued reference to fig. 1-5, the first stationary ring 212 includes a mounting frame 2121 and a plurality of support rings 2122, where the mounting frame 2121 is connected to the stator 12, the plurality of support rings 2122 are distributed and spaced along the axial direction X, each support ring 2122 is connected to the mounting frame 2121, and each support ring 2122 may be directly or indirectly connected to the mounting frame 2121. Each support ring 2122 is adapted to provide brush segments 2124 in sliding contact with and electrically connected to the first ring 211.

The integrated transmission assembly 20 provided by the embodiment of the utility model, by enabling the first stationary ring 212 to include the mounting frame 2121 and the plurality of support rings 2122, can directly or indirectly connect with the stator 12 by using the mounting frame 2121, and support the brush block 2124 by the plurality of support rings 2122, so that the brush block 2124 can introduce the power of the electric network into the first movable ring 211 through the wires.

Alternatively, the number of support rings 2122 may be two, three or more, specifically set according to the transmission requirements. The number of brush blocks 2124 that can be provided on each support ring 2122 can be three or more, facilitating the excitation of three-phase alternating current.

Alternatively, the brush block 2124 may be a conductive block in sliding contact with the first moving ring 211, including but not limited to a carbon brush, a metal brush, or a fiber brush, which is a conductive component. The support ring 2122 and the brush block 2124 may remain in an insulated arrangement.

In some alternative embodiments, the integrated transmission assembly 20 provided in the present embodiment, the first stationary ring 212 further includes a plurality of connection posts 2123 connected to the mounting frame 2121, the plurality of connection posts 2123 are spaced apart along the circumferential direction Y of the generator 10, and each connection post 2123 is sequentially inserted into the plurality of support rings 2122 along the axial direction X and is electrically connected to the support rings 2122.

The number of connection posts 2123 may be set to the radial dimension of support ring 2122, may be three, four or more, and may be provided with receptacles on support ring 2122 that match the shape of connection posts 2123, through which connection posts 2123 mate. Optionally, the connection post 2123 and the support ring 2122 may be mated in an interference manner, and of course, a support sleeve may also be sleeved on the connection post 2123, and the relative positions of the connection post 2123 and the support ring 2122 may be fixed by clamping the support sleeve between two adjacent support rings 2122.

According to the integrated transmission assembly 20 provided by the embodiment of the utility model, the first stationary ring 212 comprises the plurality of connecting posts 2123, so that the support ring 2122 can be connected with the mounting frame 2121 through the connecting posts 2123, the position limiting requirement of the support ring 2122 is ensured, and then the electric connection requirement between the brush block 2124 and the first movable ring 211 is met.

Alternatively, the mounting bracket 2121 and the connecting post 2123 may be connected by welding, or an integral structure may be employed.

In some alternative embodiments, the integrated transmission assembly 20 provided in the embodiments of the present utility model, the mounting rack 2121 is provided with a first connection site 2121a at an end facing away from the third transmission member 23 in the axial direction X, and at least one of the first transmission member 21, the second transmission member 22 and the third transmission member 23 is electrically connected to the first connection site 2121 a.

One of the first transmission member 21, the second transmission member 22, and the third transmission member 23 may be electrically connected to the first wiring site 2121a, and two of the first transmission member 21, the second transmission member 22, and the third transmission member 23 may be electrically connected to the first wiring site 2121 a. Of course, it is also possible to electrically connect the first transmission element 21, the second transmission element 22 and the third transmission element 23 to the first connection 2121 a. The mount 2121 may be metallic or non-metallic.

According to the integrated transmission assembly 20 provided by the embodiment of the utility model, by arranging the first wiring position 2121a and limiting the electrical connection relation between at least one of the first transmission piece 21, the second transmission piece 22 and the third transmission piece 23 and the first wiring position 2121a, the signal acquisition of at least one of the first transmission piece 21, the second transmission piece 22 and the third transmission piece 23 can be facilitated, and meanwhile, the first wiring position 2121a can be used as a total wiring port. The wiring of the brush block 2124, the signal wire of the third movable ring 231 of the third transmission member 23 and the wiring connected with the second movable ring 221 can be collected together, so that the wiring regularity is ensured, and the probability of cable disorder or winding phenomenon is reduced.

In some alternative embodiments, the first moving ring 211 of the integrated transmission assembly 20 provided in the present embodiment includes a mounting cylinder 2111, a plurality of conductive rings 2112 disposed on the mounting cylinder 2111, and a terminal 2113, the terminal 2113 being disposed in insulation with the mounting cylinder 2111 and electrically connected to the conductive rings 2112, the conductive rings 2112 being configured to be in sliding contact with and electrically connected to the brush block 2124.

According to the integrated transmission assembly 20 provided by the embodiment of the utility model, the first transmission piece 21 comprises the mounting cylinder 2111, the plurality of conductive rings 2112 and the wiring terminal 2113, and the connection and synchronous rotation requirements between the first movable ring 211 and the rotor 11 can be ensured by fixing the mounting cylinder 2111 and the rotor 11. Moreover, the wiring terminal 2113 is electrically connected with the conductive ring 2112, so that the power supply of the conductive ring 2112 obtained by the brush block 2124 can be transmitted to the coil of the rotor 11 through the wiring terminal 2113, and the wiring terminal 2113 is arranged in an insulating manner with the mounting cylinder 2111, so that current can not be transmitted to the rotor 11 through the mounting sleeve, and the power supply excitation of the rotor 11 is ensured to be ensured reliably.

With continued reference to fig. 1-3, in some alternative embodiments, the mounting bracket 2121 is provided with a service hole 2121b extending along an axial direction X, and an orthographic projection of the connection terminal 2113 along the axial direction X is located within the orthographic projection of the service hole 2121 b.

According to the integrated transmission assembly 20 provided by the embodiment of the utility model, the maintenance hole 2121b is formed in the mounting frame 2121, and the orthographic projection of the wiring terminal 2113 in the axial direction X is located in the orthographic projection of the maintenance hole 2121b, so that the wiring terminal 2113 can be exposed in the maintenance hole 2121b, and the operation and maintenance operations such as wiring and the like on the wiring terminal 2113 can be realized through the maintenance hole 2121 b.

Alternatively, the number of the maintenance holes 2121b may be one, or of course, may be two or more, and when two or more, the two or more maintenance holes 2121b may be distributed in the circumferential direction Y of the first transfer member 21. Specifically, the number and distribution of the connection terminals 2113 can be set, which is favorable for connection and operation of the connection terminals 2113.

Alternatively, the maintenance hole 2121b may be a circular, oval or bar hole, which is determined according to practical needs in practice, and the embodiment of the present utility model is not limited thereto.

In some alternative embodiments, the integrated transmission assembly 20 provided in the embodiments of the present utility model, the mounting cylinder 2111 includes a cylinder body 2111a and a connection flange 2111e, the cylinder body 2111a is inserted into the first stationary ring 212 along the axial direction X, the conductive ring 2112 and the connection terminal 2113 are disposed on the cylinder body 2111a, and one end of the cylinder body 2111a in the axial direction X protrudes from the first stationary ring 212 and is connected to the connection flange 2111 e.

According to the integrated transmission assembly 20 provided by the embodiment of the utility model, the mounting cylinder 2111 adopts the structural form, so that the first movable ring 211 can be mechanically connected with the applied equipment through the connecting flange 2111e, and the uniformity of the connection strength and the connection stability of the first movable ring 211 and the applied equipment are ensured. The mounting cylinder 2111 is provided to adapt to the configuration of the conductive ring 2112, and is advantageous for supporting and positioning the conductive ring 2112 and the connection terminal 2113.

Alternatively, barrel body 2111a and connecting flange 2111e may be coaxially disposed and connecting flange 2111e disposed radially Z from barrel body 2111a, optimizing the performance of mounting barrel 2111.

In some alternative embodiments, the integrated transmission assembly 20 provided in the embodiments of the present utility model, the connection flange 2111e is provided with a first wire passing hole 2111f passing through along the axial direction X, and the barrel body 2111a is provided with a second wire passing hole 2111b passing through along the radial direction Z of the generator 10 and a first wire passing channel 2111c passing through along the axial direction X.

Through the above arrangement, the integrated transmission assembly 20 provided in the embodiment of the present utility model enables the wires coupled to the connection terminal 2113 and the rotor 11 to start from the connection terminal 2113, sequentially pass through the first wire passing channel 2111c, the second wire passing hole 2111b and the first wire passing hole 2111f to be connected with the applied device, and when the first transmission member 21 includes a collector ring, the functions of excitation and the like of the corresponding device can be realized. The avoidance of the wire connecting the wiring terminal 2113 and the rotor 11 is facilitated, and meanwhile, a certain limiting and protecting effect can be achieved on the wire through the first wire passing channel 2111c.

In some alternative embodiments, the integrated transmission assembly 20 provided in the present disclosure further includes a fixing sleeve 24, where the fixing sleeve 24 is located between the first transmission member 21 and the second transmission member 22, and the fixing sleeve 24 is connected to the first moving ring 211 and forms a first wire passing channel 2111c with the first moving ring 211.

According to the integrated transmission assembly 20 provided by the embodiment of the utility model, the fixed sleeve 24 can play a role of fixedly connecting the rotor 11 with the exciting lead of the wiring terminal 2113, because the mounting frame 2121 is static, the lead connected with the rotor 11 synchronously rotates along with the first movable ring 211, in order to prevent the lead from wearing, the fixed sleeve 24 is arranged between the mounting frame 2121 and the first movable ring 211, the fixed sleeve 24 is connected with the first movable ring 211 and keeps a certain distance with the mounting frame 2121, the fixed sleeve 24 can be provided with a first wire passing channel 2111c positioned at the inner side of the circumference of the corresponding wiring terminal, and after penetrating through the exciting lead of the rotor 11, foam glue can be injected into the accommodating space for filling the gap between the lead and the channel, so as to play a role of fixing the exciting lead of the rotor 11.

In some alternative embodiments of the integrated transmission assembly 20 provided in the present utility model, the second stationary ring 222 and the mounting frame 2121 may be integrally formed, and the first transmission member 21 further includes a first bearing (not shown), where the first bearing is connected between the second movable ring 221 and the second stationary ring 222, and one end of the second movable ring 221 in the axial direction X is provided with a second connection position 2211.

In the integrated transmission assembly 20 provided by the embodiment of the utility model, the second movable ring 221 is used for transmitting signals from the mounting rack 2121 to the pitch control cabinet, and the second wiring position 2211 is arranged on the second movable ring and is used for connecting wires led out of the pitch control cabinet. The first bearing may be provided to fixedly support the second moving ring 221 and to allow a rotational fit between the second moving ring 221 and the second stationary ring 222. The slidable contact between the second moving ring 221 and the second stationary ring 222 may be achieved, including but not limited to, using brush filaments, brush blocks 2124, and the like.

In some alternative embodiments, the integrated transmission assembly 20 provided in the embodiments of the present utility model, the adaptor ring 2111g is disposed inside the mounting cylinder 2111, the third moving ring 231 is connected to the adaptor ring 2111g, and the third stationary ring 232 is connected to the second stationary ring 222.

According to the integrated transmission assembly 20 provided by the embodiment of the utility model, as the mounting cylinder 2111 is connected with a rotatable component capable of being connected with an applied device, the third moving ring 231 is connected with the switching ring 2111g by arranging the switching ring 2111g in the mounting cylinder 2111 and connecting the third moving ring 232 with the second stationary ring 222, so that the mounting cylinder 2111 and the switching ring 2111g can be driven to rotate by the rotatable component in the rotating process of the applied device of the integrated transmission assembly 20, and the third moving ring 231 is driven to rotate relative to the third stationary ring 232, thereby realizing the function of monitoring the rotating speed and the phase of the applied device.

In some alternative embodiments, in the integrated transmission assembly 20 provided in the embodiments of the present utility model, the third wire passing hole 2321 extending along the axial direction X is provided on the third static ring 232, the second wire passing channel 2221 is provided on the second static ring 222, and the third wire passing hole 2321 communicates with the second wire passing channel 2221.

In the integrated transmission assembly 20 provided in the embodiment of the present utility model, the wires of the third transmission element 23 may be led out to the first connection site 2121a through the third wire passing hole 2321 and the second wire passing channel 2221 to realize signal transmission of the third transmission element 23. Because the third stationary ring 232 and the second stationary ring 222 of the third transmission member 23 are both stationary parts, the second wire passing channel 2221 can be selectively injected with glue after threading, so as to fix the cable, or can be selectively not injected with glue, and can be set according to the cable fixing requirement.

As shown in fig. 4 to 6, on the other hand, the embodiment of the present utility model further provides an energy conversion device 1, including the integrated transmission assembly 20, the energy conversion member 10, and the transmission member 3 provided in the foregoing embodiments, where the energy conversion member 10 includes a rotating portion 11 and a fixed portion 12 coaxially disposed, the first movable ring 211 is connected to the rotating portion 11, and the first stationary ring 212 is connected to the fixed portion 12; the transmission member 3 extends at least partially into the energy conversion member 10 and is rotatable relative to the energy conversion member 10, the transmission member 3 being connected to the second ring 221.

The energy conversion device 1 provided by the embodiment of the utility model can be used for a transmission chain device, a power generation device, other devices which are provided with a rotating part 11 and a fixed part 12 and need to be in power supply and signal transmission with fixed parts, and the like.

The energy conversion device 1 provided by the embodiment of the utility model has the advantages of small occupied space, low construction difficulty and the like because the energy conversion device comprises the integrated transmission assembly 20 provided by the embodiments.

In some alternative embodiments, the energy conversion device 1 provided by the embodiments of the present utility model, the energy conversion element 10 includes a generator, the rotating portion 11 includes a rotor, the fixing portion 12 includes a stator, and the transmission element 3 is tubular and internally provided with a threading channel.

Through the above arrangement, the energy conversion device 1 can be used for conversion of electric energy, and the threading passage can be used for threading wires, so that the transmission member 3 can drive the second movable ring 221 to rotate, and meanwhile, the wiring requirement of the wires connected with the second movable ring 221 can be ensured.

As shown in fig. 7, in some alternative implementations, the energy conversion apparatus 1 provided in the embodiments of the present utility model further includes a butting member 40, where one end of the butting member 40 in the axial direction X is fixedly connected to the second moving ring 221 and the other end is in snap fit with the transmission member 3.

Because the integrated transmission assembly 20 is of an integral structure, after the first movable ring 211 is connected with the rotating part 11, a closed space formed between the second movable ring 221 and the transmission piece 3 is not easy to be accessed by operators, and therefore, the utility model can enable the second movable ring 221 to be connected with the transmission piece 3 in a quick plug-in manner by arranging the butt joint piece 40, and finally achieves the aim of relatively keeping the second movable ring 221 and the transmission piece 3 stationary.

In some alternative embodiments, the docking member 40 may employ a shaft sleeve, and the docking member 40 and the second movable ring 221 may be provided with a mating protrusion 41 on one and a mating groove 3a on the other, so as to transmit torsion force in the circumferential direction Y by mating the mating protrusion 41 with the mating groove 3 a. This way, easy dismounting and guaranteed transmission of torque, guaranteeing the need for a quick connection between the abutment 40 and the second ring 221.

As shown in fig. 1 to 8, in yet another aspect, an embodiment of the present utility model further provides a wind generating set, including the energy conversion device 1 provided in each of the foregoing embodiments. When the energy conversion device is used for a wind generating set, the rotating part 11 of the energy conversion device 10 can be directly connected with the impeller 5, and of course, the energy conversion device can also be indirectly connected with the impeller 5 through the output shaft 202 of the gear box 201, the transmission device 3 can be directly or indirectly connected with the impeller 5, and the fixing part 12 can be fixedly arranged relative to the impeller 5. The first transmission member 21 may be used to connect the energy conversion member 10 with an external control cabinet to energize the rotating portion 11 of the energy conversion member 10. The second transmission member 22 may be used for powering a pitch motor of a wind power plant and controlling the pitch of the blades. The third transmission member 23 may function to monitor the rotational speed and phase of the rotating portion 11 in the energy conversion member 10. The wind generating set has the advantages of meeting the functional requirements of the wind generating set, occupying small operation and maintenance space, being beneficial to construction and the like.

While the utility model 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 utility model. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present utility model is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims (18)

1. An integrated transmission assembly, comprising:

the first transmission piece is provided with a cavity and comprises a first movable ring and a first stationary ring which are in rotating fit and are coupled with each other;

the second transmission piece is arranged in the cavity and comprises a second movable ring and a second stationary ring which are in running fit and are coupled with each other, and the second stationary ring and the first stationary ring are arranged in an insulating manner and are connected with each other;

the third transmission piece is arranged in the cavity, the third transmission piece and the second transmission piece are distributed along the axial direction of the first transmission piece, the third transmission piece comprises a third movable ring and a third static ring which are in running fit and are coupled with each other, the third movable ring is arranged in an insulating mode and connected with the first movable ring, and the third static ring is arranged in an insulating mode and connected with one of the first static ring and the second static ring.

2. The integrated transmission assembly of claim 1, wherein the first transmission member, the second transmission member, and the third transmission member are coaxially disposed with one another.

3. The integrated transmission assembly of claim 1, wherein one of the first transmission member, the second transmission member, and the third transmission member comprises a slip ring, one comprises a slip ring, and one comprises an encoder.

4. The integrated transmission assembly of claim 1, wherein the first stationary ring comprises a mounting frame and a plurality of support rings disposed in spaced relation along the axial direction, each support ring being coupled to the mounting frame, each support ring being configured to provide a brush block in sliding contact with and electrically coupled to the first stationary ring.

5. The integrated transmission assembly of claim 4, wherein the first stationary ring further comprises a plurality of connection posts connected to the mounting frame, the plurality of connection posts being spaced apart in a circumferential direction of the first stationary ring, each of the connection posts being sequentially inserted into and insulated from a plurality of the support rings along the axial direction.

6. The integrated transmission assembly of claim 4, wherein an end of the mounting bracket facing away from the third transmission member in the axial direction is provided with a first wiring location, at least one of the first transmission member, the second transmission member, and the third transmission member being electrically connected to the first wiring location.

7. The integrated transmission assembly of claim 4, wherein the first moving ring comprises a mounting cylinder, a plurality of conductive rings disposed on the mounting cylinder, and a terminal disposed in insulating relation with the mounting cylinder and electrically connected to the conductive rings, the conductive rings being in sliding contact with and electrically connected to the brush block.

8. The integrated transmission assembly of claim 7, wherein the mounting bracket is provided with a service hole extending in the axial direction, and wherein the orthographic projection of the terminal block in the axial direction is located within the orthographic projection of the service hole.

9. The integrated transmission assembly of claim 7, wherein the mounting barrel comprises a barrel body and a connecting flange, the barrel body is inserted into the first stationary ring along the axial direction, the conductive ring and the terminal are disposed on the barrel body, and one end of the barrel body in the axial direction protrudes out of the first stationary ring and is connected with the connecting flange.

10. The integrated transmission assembly of claim 9, wherein the connecting flange is provided with a first wire passing hole passing therethrough along the axial direction, and the cartridge body is provided with a second wire passing hole passing therethrough along the radial direction thereof and a first wire passing channel passing therethrough along the axial direction.

11. The integrated transmission assembly of claim 10, further comprising a stationary sleeve disposed in the cavity and between the first transmission member and the second transmission member, the stationary sleeve being connected to the first moving ring and circumscribing the first wire passage with the first moving ring.

12. The integrated transmission assembly of claim 4, wherein the second stationary ring and the mounting bracket are of unitary construction, the second transmission further comprising a first bearing connected between the second movable ring and the second stationary ring, the second movable ring being provided with a second connection location at one end in the axial direction.

13. The integrated transmission assembly of claim 4, wherein an adapter ring is disposed within the mounting frame, the third ring is coupled to the adapter ring, and the third stationary ring is coupled to the second stationary ring.

14. The integrated transmission assembly of any one of claims 1 to 13, wherein a third wire passing hole extending in the axial direction is provided on the third stationary ring, a second wire passing channel is provided on the second stationary ring, and the third wire passing hole communicates with the second wire passing channel.

15. An energy conversion device, comprising:

an integrated transmission assembly as claimed in any one of claims 1 to 14;

the energy conversion piece comprises a rotating part and a fixed part which are coaxially arranged, the first movable ring is connected with the rotating part, and the first stationary ring is connected with the fixed part;

and the transmission piece at least partially stretches into the energy conversion piece and can rotate relative to the energy conversion piece, and the transmission piece is connected with the second movable ring.

16. The energy conversion device according to claim 15 wherein the energy conversion member comprises a generator, the rotating portion comprises a rotor, and the stationary portion comprises a stator, the transmission member being tubular and having a threading channel therein.

17. The energy conversion apparatus according to claim 15 further comprising a butt joint member having one end in the axial direction fixedly connected to the second movable ring and the other end in snap-fit with the transmission member.

18. A wind power plant comprising an energy conversion device according to any of claims 15-17.