CN217062783U

CN217062783U - Direct-drive cable-twisting slip ring rotor structure and motor

Info

Publication number: CN217062783U
Application number: CN202123394993.XU
Authority: CN
Inventors: 王天子; 方鸿敏
Original assignee: Shanghai Moteng Carbon Co ltd
Current assignee: Shanghai Moteng Carbon Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-07-26
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a cable sliding ring rotor structure is turned round to direct-drive formula, include: the carrier assembly, the carrier assembly includes: the first connecting plate and the second connecting plate are arranged in parallel; the connecting pipe is arranged between the first connecting plate and the second connecting plate and is rotationally connected with the first connecting plate; the supporting component is sleeved on the connecting pipe, the supporting component penetrates through the second connecting plate, and the connecting pipe is rotatably connected with the second connecting plate through the supporting component; and a plurality of sets of slip rings. The utility model discloses a setting cup joints a plurality of sliding rings and supporting component each other on the connecting pipe, then assembles in proper order on first even board and second link board, carries out simple equipment and accomplishes rotor installation and equipment. The technical problem that the installation and construction efficiency is influenced by large assembly difficulty and complex structure in the prior art is solved, the assembly difficulty of assembly workers is reduced, the assembly precision is ensured, the manufacturing cost and the processing difficulty are reduced, and the replacement difficulty of field parts is reduced.

Description

Direct-drive cable-twisting slip ring rotor structure and motor

Technical Field

The utility model relates to an electrical equipment technical field especially relates to a cable sliding ring rotor structure and motor are turned round to direct drive formula.

Background

With the continuous development of wind power generation systems in China, the wind power industry has higher requirements on the reliability and the power generation efficiency of a wind turbine generator, and in order to solve the problem that a power cable is seriously abraded by twisting the yaw guide force of a cabin, a cable twisting slip ring is gradually favored by users.

In the rotor structure in the prior art, a central pipe is fixed between a top plate and a bottom plate of a collecting ring, a collecting ring rotor rotates relative to the central pipe, the collecting ring is positioned by an upper large bearing and a lower large bearing or by a large bearing below three small bearings, and a communication cable through hole is formed in the central pipe. However, because there are many communication cables and the plug on the communication cable has a large volume, in order to meet the requirement of laying the communication cable, the inner diameter of the central tube needs to be increased, which inevitably results in the increase of the upper and lower bearings, and further increases the upper and lower bearing chambers, which is difficult to arrange in a limited space. Therefore, the traditional rotor structure is difficult to install and the installation and construction efficiency is easily influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the current complicated inconvenient shortcoming of installation that leads to of rotor structure that exists among the prior art, and the cable sliding ring rotor structure is turned round to a direct-drive formula that proposes.

In order to realize the purpose, the utility model adopts the following technical scheme:

a direct drive twisted cable slip ring rotor structure comprising:

a carrier assembly, the carrier assembly comprising: the connecting device comprises a first connecting plate and a second connecting plate, wherein the first connecting plate and the second connecting plate are arranged in parallel;

the connecting pipe is arranged between the first connecting plate and the second connecting plate and is rotatably connected with the first connecting plate;

the supporting assembly is sleeved on the connecting pipe, the supporting assembly penetrates through the second connecting plate, and the connecting pipe is rotatably connected with the second connecting plate through the supporting assembly;

and the sliding rings are arranged between the first connecting plate and the second connecting plate, and are sleeved outside the connecting pipe, and the sliding rings are connected with the supporting component.

Optionally, the support assembly includes:

the supporting seat is sleeved on the connecting pipe, penetrates through the second connecting plate and is rotatably connected with the second connecting plate, and a plurality of groups of connecting holes are formed in the supporting seat;

the wiring terminals are respectively inserted in the connecting holes, every two adjacent wiring terminals are arranged in a high-low mode, one ends of the wiring terminals, far away from the wiring terminals, penetrate through the slip ring in sequence, and the slip ring is fixedly connected with the supporting seat through the wiring terminals;

the conducting rod limiting sleeve is arranged in the connecting hole in a sleeved mode, and the conducting rod limiting sleeve and the wiring terminal are arranged at intervals.

Optionally, the supporting seat is circular, and the supporting seat is connected with the second connecting plate in a rotating mode.

Optionally, a rotary bearing is arranged on one surface of the first connecting plate, which is close to the second connecting plate, and one end of the connecting pipe is rotatably connected with the first connecting plate through the rotary bearing.

Optionally, a plurality of groups of positioning assemblies are further arranged on the second connecting plate, the plurality of groups of positioning assemblies are arranged in the annular array of the connecting pipes, and the positioning assemblies are tangent to the supporting seat.

Optionally, the positioning assembly includes:

the positioning column penetrates through the second connecting plate and is connected with the second connecting plate;

the positioning bearing is arranged at one end of the positioning column, and the outer wall of the positioning bearing is tangent to the outer wall of the supporting seat;

and the oil receiving cup is arranged below the positioning bearing and is connected with the positioning column.

Optionally, the one end of connecting pipe still is provided with the wiring subassembly, the one end of connecting pipe is run through the second links the board, the wiring subassembly is located the connecting pipe is kept away from first even board and is served, the wiring subassembly with the connection can be dismantled to the connecting pipe.

Optionally, the wiring assembly includes:

the connecting cover is arranged at one end of the connecting pipe, the connecting cover is far away from the first connecting plate, and a plurality of through holes are formed in the connecting cover in an annular array;

the insulating wire bundling ring is sleeved on the connecting cover, and the insulating wire bundling ring and the central line of the connecting cover are positioned on the same line;

the wire passing protective sleeves are arranged in the through holes respectively, and the through holes are arranged in parallel with the connecting holes.

Optionally, a shifting fork is arranged on one surface of the connecting cover, and the shifting fork is detachably connected with the connecting cover.

The utility model also provides a motor has adopted foretell formula of directly driving to turn round cable sliding ring rotor structure.

The utility model has the advantages that:

a plurality of slip rings and supporting components are mutually sleeved on the connecting pipe through the arrangement, then the slip rings and the supporting components are sequentially assembled on the first connecting plate and the second connecting plate, and the rotor is installed and assembled by simple assembly. The technical problem that the installation and construction efficiency is influenced due to large assembly difficulty and complex structure in the prior art is solved, the assembly difficulty of assembly workers is reduced, the assembly precision is ensured, the manufacturing cost and the processing difficulty are reduced, and the replacement difficulty of field parts is reduced.

Drawings

Fig. 1 is a schematic overall structure diagram of a direct-drive cable-twisting slip ring rotor structure according to the present invention; (front view direction)

Fig. 2 is a schematic overall structure diagram of a direct-drive cable-twisting slip ring rotor structure according to the present invention; (upward viewing direction)

Fig. 3 is a schematic plan view of an overall structure of a direct-drive cable-twisting slip ring rotor structure according to the present invention;

fig. 4 is a direct-drive type torsion cable slip ring rotor structure's wiring subassembly schematic diagram.

The symbols in the figure are as follows:

1. a first connecting plate; 2. a slew bearing; 3. a slip ring; 4. a connecting pipe;

5. a support assembly; 51. a binding post; 52. a supporting seat; 53. a conducting rod limiting sleeve;

6. a positioning assembly; 61. positioning the bearing; 62. an oil receiving cup; 63. a positioning column;

7. a wiring assembly; 71. a connecting cover; 72. a wire-passing sheath; 73. insulating and bundling the coil;

8. a shifting fork; 9. a second connecting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front, rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B", including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-4, a direct-drive twisted cable slip ring 3 rotor structure comprises a first connecting plate 1, a second connecting plate 9, a connecting pipe 4, a slip ring 3, a wiring assembly 7 and a supporting assembly 5. First company's board 1 and second link 9 parallel arrangement, constitute bearing assembly between first company's board 1 and the second link 9, first link 1 with the second link 9 is used for with equipment internal fixation, guarantees rotor pivoted stability. The connecting pipe 4 sets up first even between the board 9 with the second, just the connecting pipe 4 with the axis of first even board 1 and second even board 9 is in same straight line, the connecting pipe 4 with first board 1 rotates and links to each other, the connecting pipe 4 is used for supporting rotor portion operation and is linked together with the stator portion. The supporting component 5 is sleeved on the outer wall of the connecting pipe 4, the supporting component 5 is located on the first connecting plate 1, and the connecting pipe 4 is connected with the second connecting plate 9 in a rotating mode through the supporting component 5. The multiunit the sliding ring 3 sets gradually between first even board 1 and the second even board 9, just 3 covers of sliding ring are established the outside of connecting pipe 4, sliding ring 3 with 4 clearance fit of connecting pipe, sliding ring 3 passes through supporting component 5 is fixed to be set up the outside of connecting pipe 4, wherein, a plurality of mutual clearance sets up between the sliding ring 3, reduces the mutual influence factor between the sliding ring 3. The connecting pipe 4 is located one end of the first connecting plate 1 is penetrated through the first connecting plate 1, the wiring assembly 7 is arranged at one end of the connecting pipe 4 penetrating through the second connecting plate 9, and the wiring assembly 7 is used for rotor wiring. In this embodiment, the number of the slip rings 3 may be set to six or more than three groups, and the number of the slip rings 3 may be set according to design requirements and practical applications, which will not be summarized herein. In this embodiment, establish earlier the back at the outside of connecting pipe 4 through establishing supporting component 5 at first, supporting component 5 rotates in the inside of second even board 9, then a plurality of sliding rings 3 clearance fit cover in proper order establish the outside of connecting pipe 4, supporting component 5 fixes a plurality of sliding rings 3 in proper order in the outside of connecting pipe 4, lets the one end that is close to sliding ring 3 of connecting pipe 4 rotate with first even board 1 and links to each other, and back wiring subassembly 7 sets up the one end that is close to second even board 9 at connecting pipe 4. The slip rings 3, the wiring component 7 and the supporting component 5 are sequentially sleeved on the connecting pipe 4 and then sequentially assembled on the first connecting plate 1 and the second connecting plate 9, so that the technical problem that the structure installation procedure is complicated in installation in the prior art is solved, the assembly difficulty of assembly workers is reduced, the assembly precision is ensured, the manufacturing cost and the processing difficulty are reduced, and the replacement difficulty of field parts is reduced.

The support assembly 5 comprises: a support seat 52, a plurality of binding posts 51 and a conducting rod limiting sleeve 53. The supporting seat 52 is sleeved on the outer wall of the connecting pipe 4, the supporting seat 52 is vertically arranged on the second connecting plate 9 in a penetrating manner, the supporting seat 52 is rotatably connected with the second connecting plate 9, and a plurality of connecting holes (not shown) are formed in the supporting seat 52 in an annular array manner. The plurality of the binding posts 51 are inserted in the connecting holes, every two adjacent binding posts 51 are arranged in a high-low mode respectively, the wiring ends of the binding posts 51 are located on one side of the second connecting plate 9, the other ends of the binding posts 51 sequentially penetrate through the plurality of the sliding rings 3, and the sliding rings 3 are fixedly connected with the supporting seat 52 through the binding posts 51. In order to ensure the connection stability between the support seat 52 and the conducting rod (not shown in the figure), the support seat 52 is further provided with a conducting rod limiting sleeve 53 in the connecting hole, and the conducting rod limiting sleeve 53 and the wiring terminal 51 are arranged at intervals for ensuring the connection stability between the support seat 52 and the conducting rod, so as to prevent the conducting rod from contacting with the slip ring 3 to be loose and generate an ignition phenomenon after the rotor rotates for a long time. It should be noted that the type, length and specification of the terminals 51 are the same, and when the terminals 51 are connected with the slip rings 3, one end of each two adjacent terminals 51 is arranged up and down and is connected with the adjacent slip rings 3 respectively. On one hand, the integrity of the mechanism is guaranteed, on the other hand, the influence among all components can be reduced, and meanwhile, the maintenance and the heat dissipation are convenient. In this embodiment, the supporting seat 52 is connected to the connecting pipe 4 through a plurality of L-shaped connecting members, so that the connection stability between the supporting seat 52 and the connecting pipe 4 can be ensured, and the supporting seat 52 and the connecting pipe 4 can be assembled and disassembled conveniently, so as to achieve the effect of quick installation by a worker. The bearing is not arranged between the sliding ring 3 and the connecting pipe 4, so that the connecting pipe 4 and the sliding ring 3 rotate together, the space saved after the bearing is removed, the size of the connecting pipe is enlarged, the inner diameter of the connecting pipe 4 is increased, and the capacity of accommodating cables is enhanced.

The support seat 52 is annular, and the connecting holes are distributed on the support seat 52 in an annular array on the central axis of the support seat 52. In one embodiment, the supporting seat 52 is an insulating material and is a die-cast part of a steel ring, so as to meet the processing and working requirements.

In order to facilitate the positioning accuracy of the support member 5 on the second tie sheet 9. The second connecting plate 9 is also provided with four groups of positioning components 6, the four groups of positioning components 6 are arranged in an annular array of the connecting pipes 4, and the positioning components 6 are tangent to the supporting seat 52. Take one set of the positioning components 6 as an example. The positioning assembly 6 comprises: positioning column 63, positioning bearing 61 and oil receiving cup 62. The positioning column 63 is arranged on the second connecting plate 9 in a penetrating manner, and the positioning column 63 is fixedly connected with the second connecting plate 9. The positioning bearing 61 is sleeved at one end of the positioning column 63, the outer wall of the positioning bearing 61 is tangent to the outer wall of the supporting seat 52, and the supporting seat 52 is positioned by the outer wall of the positioning bearing 61 without influencing the rotation between the supporting seat 52 and the first connecting plate 1. The oil receiving cup 62 is arranged below the positioning bearing 61, the oil receiving cup 62 is connected with the positioning column 63, and the oil receiving cup 62 is used for receiving lubricating oil to avoid circuit faults caused by the dropping of the lubricating oil. In this embodiment, the number of the positioning assemblies 6 can be two or more than two, including four, and the outer wall of the positioning bearing 61 is tangent to the outer wall of the support seat 52 by the mutual cooperation between the positioning assemblies 6, so that the accuracy of the installation position of the support seat 52 is ensured, and the rotation between the support seat 52 and the second connecting plate 9 is not influenced.

The wiring assembly 7 includes a connection cover 71, an insulating bundling coil 73, and a wire passing sheath 72. The connecting cover 71 is sleeved at one end of the connecting pipe 4, the connecting cover 71 is located at one end far away from the first connecting plate 1, and the connecting cover 71 is used for bearing a wiring line. The insulating bundling coil 73 is arranged on the connecting cover 71, and the insulating bundling coil 73 is used for externally connecting a lead. To prevent the wires on the posts 51 from interfering with the connection cover 71. A plurality of through holes (not shown) are arranged on the connecting cover 71 in an annular array with the central axis thereof, the through holes correspond to the connecting holes on the supporting seat 52 one by one, and the through holes and the connecting holes are arranged in parallel. The plurality of wire-passing sheaths 72 are disposed in the plurality of through holes, respectively. The wire-passing sheath 72 is used for preventing the conducting wire on the binding post 51 from influencing the connecting seat, and the mutual influence factors among all components can be further reduced.

The working positions of the connecting tube 4 and the wiring assembly 7 are adjusted for convenience. One side of the connecting cover 71 is provided with a shifting fork 8, and the shifting fork 8 is detachably connected with the connecting cover 71. In this embodiment, the shift fork 8 may be connected to the connection cover 71 through a bolt or a pin, so that the shift fork 8 may adjust the working position of the connection pipe 4 through the connection cover 71. The shifting fork 8 can rotate up and down and horizontally to adjust the connecting pipe 4 according to the requirement.

In order to ensure the rotating effect of the connecting tube 4. First even board 1 is close to be provided with slew bearing 2 on the one side of second even board 9, the one end of connecting pipe 4 is passed through slew bearing 2 with first board 1 rotates to be connected. Through setting up slew bearing 2 and linking to each other with connecting pipe 4, when connecting pipe 4 rotated, can guarantee connecting pipe 4's rotation in the same direction as smooth effect.

The connecting cover 71, the connecting pipe 4, the supporting seat 52, the first connecting plate 1 and the second connecting plate 9 are arranged in a mutually communicated manner along the central line, so that limited space can be utilized, and the requirements of heat dissipation during work and reduction of the weight of the structure are met.

The utility model also provides a motor has adopted in the aforesaid a direct drive formula turn round cable sliding ring rotor structure.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a cable sliding ring rotor structure is turned round to direct-drive formula which characterized in that includes:

the slip rings are arranged between the first connecting plate and the second connecting plate, the slip rings are sleeved outside the connecting pipe, and the slip rings are connected with the supporting assembly.

2. A direct drive twisted cable slip ring rotor construction according to claim 1, wherein the support assembly comprises:

the wiring terminals are respectively inserted into the connecting holes, every two adjacent wiring terminals are arranged in a high-low mode, one ends, far away from the wiring ends, of the wiring terminals penetrate through the slip ring in sequence, and the slip ring is fixedly connected with the supporting seat through the wiring terminals;

3. The direct-drive twisted cable slip ring rotor structure as claimed in claim 2, wherein the supporting seat is annular, and the supporting seat is rotatably connected to the second connecting plate.

4. The structure as claimed in claim 3, wherein a rotary bearing is disposed on a surface of the first connecting plate adjacent to the second connecting plate, and one end of the connecting pipe is rotatably connected to the first connecting plate through the rotary bearing.

5. The structure of a direct-drive twisted cable slip ring rotor as claimed in any one of claims 2 to 4, wherein a plurality of sets of positioning assemblies are further disposed on the second connecting plate, the plurality of sets of positioning assemblies are disposed in the annular array of connecting pipes, and the positioning assemblies are tangential to the supporting seat.

6. A direct drive twisted cable slip ring rotor construction according to claim 5, wherein the positioning assembly comprises:

7. The structure of claim 6, wherein a connection assembly is further disposed at one end of the connection pipe, one end of the connection pipe extends through the second connection plate, the connection assembly is located at an end of the connection pipe away from the first connection plate, and the connection assembly is detachably connected to the connection pipe.

8. The direct drive twisted cable slip ring rotor construction of claim 7, wherein the wiring assembly comprises:

the insulating wire bundling ring is sleeved on the connecting cover, and the insulating wire bundling ring is positioned on the same line with the central line of the connecting cover;

the wire passing sheaths are arranged in the through holes respectively, and the through holes are arranged in parallel with the connecting holes.

9. The direct-drive twisted cable slip ring rotor structure as claimed in claim 8, wherein a shifting fork is arranged on one surface of the connecting cover, and the shifting fork is detachably connected with the connecting cover.

10. An electrical machine, characterized in that a direct drive twisted cable slip ring rotor structure according to any of claims 1-9 is used.