CN113991974A

CN113991974A - Modularized rotary transmission device and power transmission method thereof

Info

Publication number: CN113991974A
Application number: CN202111256221.1A
Authority: CN
Inventors: 厉世益; 王颖鹏; 贾琴
Original assignee: Shanghai Electric Control Research Institute China South Industries Group Co ltd
Current assignee: Shanghai Electric Control Research Institute China South Industries Group Co ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-01-28

Abstract

The invention relates to a modular rotary transmission device and a power transmission method thereof, belongs to the technical field of power supply equipment, and solves the problems that power transmission equipment in the prior art can only realize single type power transmission, and the assembly and maintenance of products are complex. The modular rotary transfer device of the present invention comprises: the power module, the power mandrel and the outer cover; the power mandrel is arranged in the outer cover and can rotate relative to the outer cover; the power module is arranged on the outer cover; one or more groups of power modules; each group of power modules comprises one group or a plurality of groups of power brush components; the power brush assemblies are connected through connecting sheets, and a power ring is fixedly arranged outside the power mandrel; when the power mandrel and the outer cover rotate relatively, the brush wires of the power brush assembly are in sliding contact with the power ring and can be electrically connected. The invention realizes the modular regulation and the rotary transmission of the transmission power.

Description

Modularized rotary transmission device and power transmission method thereof

Technical Field

The invention relates to the technical field of power supply equipment, in particular to a modular rotary transmission device and a power transmission method thereof.

Background

The power slip rings on the market are mostly overlapped into an integral type for current transmission, and only one fixed mode of power transmission can be realized according to the size design of transmission current.

The power supply equipment with different specifications is manufactured, the required types of parts are multiple, the production period of the power slip ring from design to manufacture is long, the production and manufacturing cost is high, and the like.

Generally, high-power transmission equipment is installed in a centralized mode, once products are repaired, the workload of dismounting is large, and the components are damaged.

Disclosure of Invention

In view of the foregoing, the present invention is directed to a modular rotary transmission device and a power transmission method thereof, which are used to solve the problems that the conventional power transmission device can only achieve a single type of power transmission, and the assembly and maintenance of the product are complicated.

The purpose of the invention is mainly realized by the following technical scheme:

a modular rotary transfer device comprising: the power module, the power mandrel and the outer cover; the power mandrel is arranged in the outer cover and can rotate relative to the outer cover;

the power module is mounted on the housing; one or more groups of the power modules; a power ring is fixedly arranged outside the power mandrel; the contact of the power module is in sliding contact with the power ring and can be electrically connected.

Further, the power module includes one or more sets of power brush assemblies.

Further, when the power module comprises a plurality of groups of power brush assemblies, the adjacent power brush assemblies are connected through the connecting sheet.

Furthermore, a plurality of power rings are arranged, are sleeved outside the power mandrel in parallel and are independent from each other; an insulating ring is arranged between the adjacent power rings.

Further, an insulating strip is arranged between the power ring and the power mandrel; the power ring is electrically connected to a second cable.

Further, the contact member is a brush wire made of metal.

Further, the housing includes: a fixed ring and a support rod; at least two support rods are arranged and are fixedly arranged perpendicular to the fixing ring; and the support rods are uniformly distributed in the circumferential direction of the fixing ring.

Furthermore, the retainer plate is the loop configuration, the power dabber with the retainer plate is coaxial, just the power dabber passes through the bearing and rotates the installation on the retainer plate.

Further, the power brush assembly includes: brush filaments, a metal tube and a first cable.

Furthermore, the brush wires are multiple, and the brush wires are gathered in the metal tube.

Furthermore, the power brush assembly also comprises a positioning plate which is fixedly arranged on the supporting rod;

furthermore, the metal tube is fixedly arranged on the positioning plate and penetrates through the positioning plate to be connected with the first cable or the connecting sheet.

A power transmission method of a modular rotary transmission device, comprising the steps of:

step S1: determining a current carrier base number of the power loop; determining a supply current for the modular rotary transmission device;

step S2: determining the number of power loops according to the current carrying base number of the power loops and the supply current of the modular rotary transmission device; determining the number of power modules and the number of groups of each group of power modules containing the power brush assembly;

step S3: after the modularized rotary transmission device is assembled, the power ring rotates relative to the power brush component after being electrified; the brush wires slide on the surface of the power ring to realize rotary transmission.

The technical scheme of the invention can at least realize one of the following effects:

1. the modularized rotary transmission device is convenient to install, low in cost and capable of being assembled and installed in a modularized mode, different transmission requirements can be combined according to different using requirements, combinations of various different powers and different carrying currents can be achieved, and different power supply requirements of the market can be met. The power brush module is convenient to assemble and quick to install.

2. According to the modular rotary transmission device, the power modular design effectively reduces the design cost and improves the design efficiency; the product is modularized, the interchangeability is good, and the maintenance is convenient; the power modularization is beneficial to improving the product standardization degree and improving the product quality and reliability; the power brush wire bundle is simple in structure and convenient to assemble.

3. The modularized rotary transmission device adopts a modularized combination installation mode, can realize the adjustment of the carrying power only by increasing or decreasing the number of the power rings and the power brush assemblies, can adjust the maximum carrying current of the rotary transmission device by arranging the connecting sheet to combine a plurality of groups of power brush assemblies, is convenient to assemble and quick to install the power brush modules, effectively reduces the damage degree to parts in the processes of disassembly, assembly and maintenance, and greatly prolongs the service life of products.

4. According to the modularized rotary transmission device, on the premise that the number of the power rings, the number of the power brush assemblies and the number of the carrying current are determined, different types of power modules can be obtained by adjusting the connecting pieces and combining the different numbers of the power brush assemblies, the maximum carrying current of the power modules can be adjusted, the transmission device is not required to be integrally disassembled and assembled in the adjusting process, and the carrying current can be adjusted only by changing the type of the connecting pieces and the connecting mode of the connecting pieces, namely the number of the connecting piece combined power brush assemblies.

In the invention, the technical schemes can be combined with each other to realize more preferable combination schemes. Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, wherein like reference numerals are used to designate like parts throughout.

FIG. 1 is a schematic structural view of a modular rotary transfer device of the present invention;

FIG. 2 is a half sectional view of a modular rotary transfer device of the present invention;

FIG. 3 is a transverse cross-sectional view of a modular rotary transfer device of the present invention;

FIG. 4 is a schematic structural view of a power brush assembly of the modular rotary transmission apparatus of the present invention;

FIG. 5 is a schematic structural view of a tab unit;

FIG. 6 is a connecting plate capable of connecting two groups of power brush assemblies;

fig. 7 is a connecting plate capable of connecting three groups of power brush assemblies.

Reference numerals:

1-a fixed ring; 2-a bearing; 3-power retainer ring; 4-connecting the sheets; 5-a power brush assembly; 6-power loop; 7-an insulating ring; 8-insulating strips; 9-power mandrel; 10-a support bar;

41-a connector piece unit; 401-threaded post; 402-connecting screw holes; 403-a flat plate portion; 404-tin storage holes;

51-a positioning plate; 52-brush filaments; 53-metal tubes; 531-tin adding holes; 54-first cable.

Detailed Description

The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, which form a part hereof, and which together with the embodiments of the invention serve to explain the principles of the invention and not to limit its scope.

Example 1

In one embodiment of the present invention, a modular rotary transfer apparatus is disclosed, as shown in fig. 1-4, comprising: a power module, a power mandrel 9 and an outer cover; the power mandrel 9 is arranged inside the outer cover and can rotate relative to the outer cover;

the power module is mounted on the housing; one or more groups of the power modules; each group of power modules comprises one or more groups of power brush assemblies 5;

a power ring 6 is fixedly arranged outside the power mandrel 9; the contact pieces of the power brush assembly 5 are in sliding contact with the power ring 6 and can be electrically connected.

In one embodiment of the present invention, a power module includes: a connecting plate 4, a power ring 6 and a power brush assembly 5.

Specifically, each group of power modules includes one or more power cells. Each power cell includes: a power ring 6 and a set of power brush assemblies 5. The adjacent power units are connected through connecting pieces 4, and superposition of carrying currents is achieved, as shown in fig. 1.

Exemplarily, when the power module comprises 3 power cells: 3 power rings 6 are provided, and the 3 power rings are longitudinally sleeved on the power mandrel 9; the power brush assemblies 5 are provided with three groups, each group of power brush assemblies 5 corresponds to one power ring 6, and the power brush assemblies 5 are arranged on the periphery of the power ring 6 and are contacted through contact pieces.

Furthermore, a plurality of power rings 6 are provided, and the plurality of power rings 6 are sleeved outside the power mandrel 9 in parallel and are independent from each other; an insulating ring 7 is arranged between adjacent power rings 6. An insulating strip 8 is arranged between the power ring 6 and the power mandrel 9; as shown in fig. 2. Through setting up insulating collar 7 and insulating strip 8, realize the isolation to different power ring 6, guarantee that every power ring 6 can independently carry.

Further, as shown in fig. 3, each group of power brush assemblies 5 corresponds to one power ring 6.

In one embodiment of the present invention, as shown in fig. 3, four power brush assemblies 5 are provided in a group.

Specifically, four power brush assemblies 5 are provided for each power ring 6. Or, four power brush assemblies 5 are in surface contact with the same power ring 6, and when the power ring 6 rotates, the brush filaments 52 of the power brush assemblies 5 are in sliding contact with the power ring 6, so that the rotation transmission of electric power is realized.

Illustratively, the number of the power rings 6 of the selective transmission device shown in fig. 2 is 5, and there are two groups of power modules, wherein the first group of power modules includes two groups of power brush assemblies 5, and the two groups of power brush assemblies 5 correspond to the two upper power rings 6; the second group of power modules comprises three groups of power brush assemblies 5, and the three groups of power brush assemblies 5 correspond to the three lower power rings 6.

Further, when the power module comprises a plurality of groups of power brush assemblies 5, the adjacent power brush assemblies 5 are connected through the connecting sheet 4. Specifically, adjacent power brush assemblies 5 are connected through connecting pieces 4, superposition of transmission current is achieved, and finally welding tin is used for welding, so that the current carrying capacity of a transmission channel can be increased.

In one embodiment of the present invention, the housing comprises: a fixing ring 1 and a support rod 10; at least two support rods 10 are arranged and are perpendicular to the fixing ring 1; the support rods 10 are uniformly distributed in the circumferential direction of the fixing ring 1. Further, retainer plate 1 is the annular structure, and power dabber 9 is coaxial with retainer plate 1, and power dabber 9 passes through bearing 2 and rotationally installs on retainer plate 1. When the power spindle 9 rotates relative to the support rod 10, the power brush assembly 5 rotates relative to the power ring 6, and the contact member slides and rotates relative to the power ring 6.

In one embodiment of the present invention, the power brush assembly 5 includes: a positioning plate 51, brush wires 52, a metal tube 53, and a first cable 54.

Wherein, the positioning plate 51 is fixedly arranged on the support bar 10; the brush filaments 52 are multiple in number, and the brush filaments 52 are gathered in the metal tube 53.

Specifically, the positioning plate 51 is fixedly connected with the support rod 10 by bolts, as shown in fig. 3.

Specifically, the metal tube 53 passes through the positioning plate 51 and is fixedly connected with the positioning plate 51; preferably, the positioning plates 51 are disposed on both sides of the power ring 6 and parallel to the tangential direction of the power ring 6, and the metal pipes 53 are perpendicular to the tangential direction of the power ring 6. Preferably, the positioning plate 51 is made of an insulating material; the metal pipe 53 is made of copper.

Further, the contact member is a brush wire 52 made of metal. The brush wires 52 cling to the outer surface of the power ring 6, and the power ring 6 still keeps sliding contact with the brush wires 52 when rotating; the material of the brush filaments 52 is hard metal, such as steel wire or iron wire.

Further, the metal tube 53 passes through the positioning plate 51, and two ends of the metal tube are respectively connected with the brush wire 52 and the first cable 54, specifically, the brush wire 52 and the first cable 54 are respectively pressed at two ports of the metal tube 53; the brush filaments 52 are electrically connected with a first cable 54 through a metal tube 53, and the power ring 6 is electrically connected with a second cable, so that the rotary transmission of electric power is realized

In a specific embodiment of the present invention, as shown in fig. 3, a tin adding hole 531 is formed on the metal tube 53, the tin adding hole 531 is filled with metal tin, and the space between the metal tube 53 and the first cable 54 is reinforced by adding tin through the tin adding hole 531 and solder.

In a specific embodiment of the present invention, the positioning plate 51 is mounted on the supporting rod 10, and can be mounted as required, so as to reduce the damage to the surface of the power ring 6 due to lateral mounting, and reduce the number of modules mounted to achieve low power transmission.

In one embodiment of the present invention, the support rod 10 has a threaded hole therein, and the power brush assembly 5 can be mounted through the threaded hole in the support rod 10. The screw hole passes through the fix with screw with the trench in the locating plate 51, and the bracing piece 10 adopts materials such as stainless steel, aluminum alloy, macromolecular material under satisfying the intensity requirement, can confirm the length of bracing piece 10 according to the quantity of stack power ring 6.

Furthermore, a plurality of mounting holes are arranged in parallel on the positioning plate 51, and mounting screws are fixedly connected with the support rod 10 in the mounting holes of the positioning plate 51. Through adjusting the cooperation of different mounting holes and the screw hole on the bracing piece 10, can adjust locating plate 51 and bracing piece 10 at the relative position of horizontal direction (power ring 6 is radial), make locating plate 51 can be for bracing piece 10 horizontal displacement, and then make brush 52 can move for the radial direction of power ring 6, and then adjust the contact pressure between brush 52 and the power ring 6, improve the contact reliability between brush 52 and the power ring 6, guarantee that transmission device has good transmission effect.

Further, each power unit may set the power ring 6 to have a different carrier base number according to the wall thickness and width of the power ring 6.

Illustratively, 1 power loop 6 may be set to carry a current of nA, n 10A, 50A, 100A … …, etc.

Further, by increasing the loop path of the power loop 6, i.e., the current load can be increased, that is, by stacking the number of power loops 6, the current load of the power module can be increased.

Illustratively, with the current carrying capacity of each power ring 6 being 100A, the rotary transmission device may arrange N power rings 6, where N is 5, 10, 20, 30, … …, where each power module serves as one transmission channel, and the rotary transmission device may be correspondingly arranged in various combinations according to different numbers and types of transmission channels.

As shown in fig. 1 and fig. 2, taking the number N of the power rings 6 as 5 as an example, according to different superposition manners, at most M transmission channels may be combined, where M is equal to or less than N, or when the number of the power rings 6 is N, the number of the power modules is M groups, and M is equal to or less than N; each group of power modules has the number of power rings 6 which is more than or equal to 1, and 7 combination modes can be combined.

For example, five power rings 6 can deliver power ≦ 500A when stacked together, and 100A per delivery channel when each power ring 6 is independent.

Furthermore, the structure of the rotary transmission device adopts a symmetrical structure, the fixing rings 1 at the upper end and the lower end are the same part, the interchangeability is strong, the power brush component 5 is in a modular design, and the arrangement mode of the power brush component 5 can be changed randomly according to the requirement, so that the adjustment of the transmission power is realized.

A plurality of insulation grooves are formed in the circumferential direction of the outer surface of the power mandrel 9, the insulation grooves extend along the axial direction of the power mandrel 9, and insulation strips 8 are installed in the insulation grooves.

Further, the power check ring 3 is sleeved on the uppermost portion of the power mandrel 9, and the power check ring 3 is used for pressing the power rings 6 and the insulating ring 7.

Further, in order to facilitate the combination of the plurality of groups of power brush assemblies 5, the connecting sheet 4 is provided with a modular structure.

In one embodiment of the present invention, the connecting sheet 4 is formed by modularly splicing a plurality of connecting sheet units 41.

Specifically, as shown in fig. 5, the connection piece unit 41 includes: a threaded post 401, a connecting screw hole 402 and a plate portion 403. Wherein, the threaded columns 401 and the connecting screw holes 402 are respectively arranged at two ends of the connecting sheet unit 41, the threaded column 401 of one connecting sheet unit 41 can be screwed into the connecting screw hole 402 of the other connecting sheet unit 41, and the connection of a plurality of connecting sheet units 41 is realized.

Further, the flat plate portion 403 is used for connecting with the positioning plate 51 of the power brush assembly 5.

Furthermore, a plurality of tin storage holes 404 are formed in the flat plate portion 403, the tin storage holes 404 are used for injecting metal tin, the plurality of tin storage holes 404 correspond to the metal tubes 53 on the power brush assembly 5, and the flat plate portion 403 and the metal tubes 53 are connected through soldering.

Preferably, the tin storage hole 404 is a tapered hole. And metal tin is put in from the large end of the tapered hole, and during welding, the metal tin is melted and flows out from the small end of the tapered hole to be adhered with the metal pipe 53, so that the flat plate part 403 and the metal pipe 53 are connected in a welding manner, and circuit communication is realized.

As shown in fig. 6, when the connecting sheet 4 is required to connect two sets of power brush assemblies 5, two connecting sheet units 41 are connected through the threaded posts 401 and the connecting screw holes 402, and the flat plate portions 403 of the two connecting sheet units 41 are located on the same plane.

As shown in fig. 7, when the connecting sheet 4 is required to connect three groups (multiple groups) of power brush assemblies 5, three connecting sheet units 41 are connected through the threaded posts 401 and the connecting screw holes 402, and the flat plate portions 403 of the three connecting sheet units 41 are located on the same plane. The parallel connection of the transmission power of the plurality of groups of power brush assemblies 5 is realized.

According to the connecting sheet 4, the connecting sheet units 41 are combined, so that the functions of the connecting sheet units 41 can be adjusted at any time as required, a plurality of groups of power brush assemblies 5 are connected, the connecting requirements of different numbers of power brush assemblies 5 can be met, and the connecting sheet 4 does not need to be machined again. And, adjacent connecting piece unit 41 is connected through threaded column 401 and connecting screw hole 402, through the screw-in degree of depth of adjustment threaded column 401, can adjust the length of connecting piece 4 and the interval of adjacent connecting piece unit 41 to the interval between the different power brush subassembly 5 of adaptation.

As shown in fig. 4, when the power brush assembly 5 is separated, the metal pipe 53 is directly connected to the first cable 54; as shown in fig. 1 and 2, when the plurality of groups of power brush assemblies 5 are connected in combination by the connecting plate 4, the power brush assemblies 5 are connected with the first cable 54 by the connecting plate 4.

When in implementation:

the power brush assembly comprises a power mandrel 9, an insulating strip 8 is arranged on the power mandrel 9, the inner diameter of the power ring 6 is matched with the insulating strip 8, adjacent power rings 6 are separated by insulating rings 7, the power rings 6 and the insulating rings 7 are sequentially sleeved on the power mandrel 9, the power rings 6 and the insulating rings 7 are fixed by power check rings 3 through screws after the power rings 6 and the insulating rings 7 are installed, the power rings 6 and the power mandrel 9 are relatively fixed, the power mandrel 9 and the power check rings 3 are respectively matched with inner bearing rings of two bearings 2, the fixing rings 1 are in interference fit with outer bearing rings of the bearings 2, a support rod 10 is fixed between the two fixing rings 1, the power brush assemblies 5 on the power rings 6 and the support rod 10 rotate relatively, and the rotary transmission of current between the power rings 6 and brush wires 52 is realized.

Example 2

An embodiment of the present invention provides a power transmission method of the modular rotary transmission apparatus of embodiment 1, including the steps of:

step S1: determining the current carrier base number of the power loop 6; determining a supply current for the modular rotary transmission device;

step S2: determining the number of power rings 6 according to the current carrier base of the power rings 6 and the supply current of the modular rotary transmission device; determining the number of power modules and the number of groups of each group of power modules containing the power brush assembly 5;

step S3: after the modular rotary transmission device is assembled, the power ring 6 rotates relative to the power brush assembly 5 after being electrified; the brush filaments 52 slide on the surface of the power ring 6, and rotation transmission is realized.

Further, in step S1, the power supply current and the power of the modular rotary transmission device are determined according to the power demand of the electric equipment.

Further, in step S2, each group of power modules includes one or more groups of power brush assemblies 5; the maximum carrying current of the rotary transmission device is determined for the power module containing the largest number of power brush assemblies 5, and when the carrying current of the power ring 6 is nA and the power module comprises m groups of power brush assemblies 5, the carrying current of the power module is n × m.

In an embodiment of the present invention, taking as an example that the upper limit current of each power ring 6 is 100A, and the number N of the power rings 6 is 5, exemplarily: when the five power rings 6 are overlapped together and the five groups of power brush assemblies 5 are connected through the connecting sheet 4, the power less than or equal to 500A can be transmitted. When each power loop 6 is independent, each transmission channel can transmit a current of ≦ 100A.

According to the table of power transmission channel combination (table 1), when the number of the power loops 6 is 5, a maximum of 5 transmission channels can be combined, 7 combination modes are provided, and the transmission current range is less than or equal to 500A. When the current is limited to 100A per power ring 6 and the number of power rings N is 5, the power transmission channel combinations are as follows

TABLE 1 Power Transmission channel combination

Transmission channel/M	1	2	3	4	5
						Combination mode	5	1+4/2+3	1+1+3/1+2+2	1+1+1+2	1+1+1+1+1
Maximum current carrying/A	500	400	300	200	100

Furthermore, a plurality of groups of power brush assemblies 5 are combined through the connecting sheet 4, and the maximum current carrying of the transmission device is adjusted. The greater the number of power brush assemblies 5 combined with the connecting piece 4, the greater the maximum current carrying capacity of the transmission device.

As shown in table 1:

when the power module has one group: the connecting sheet 4 combines five groups of power brush assemblies 5, and the maximum current carrying of the transmission device is 500A.

When there are two groups of power modules: the number of the groups of the power brush assemblies 5 of the first group of power modules is 1, the number of the groups of the power brush assemblies 5 of the second group of power modules is 4, the four groups of the power brush assemblies 5 are combined by the connecting sheet 4, and the maximum current carrying of the transmission device is 400A.

Or, the power brush assemblies 5 of the first group of power modules have 2 groups, the power brush assemblies 5 of the second group of power modules have 3 groups, the connecting sheet 4 combines the 3 groups of power brush assemblies 5 at most, and the maximum current carrying of the transmission device is 300A. As shown in fig. 1, the number of the power rings 6 is 5, and there are two groups of power modules, wherein the first group of power modules includes two groups of power brush assemblies 5, and the second group of power modules includes three groups of power brush assemblies 5.

When there are three groups of power modules: the number of the groups of power brush assemblies 5 of the first group of power modules and the second group of power modules is 1, the number of the groups of power brush assemblies 5 of the third group of power modules is 3, the connecting sheet 4 combines the 3 groups of power brush assemblies 5 at most, and the maximum current carrying of the transmission device is 300A. Or the number of the groups of the power brush assemblies 5 of the first group of power modules is 1, the number of the groups of the power brush assemblies 5 of the second group of power modules and the third group of power modules is 2, the connecting sheet 4 combines the 2 groups of power brush assemblies 5 at most, and the maximum current carrying of the transmission device is 200A.

When there are four groups of power modules: three groups of power brush assemblies 5 are independent, the connecting sheet 4 combines 2 groups of power brush assemblies 5 at most, and the maximum current carrying of the transmission device is 200A.

When there are five groups of power modules: the five groups of power brush assemblies 5 are independent, and the maximum current carrying of the transmission device is 100A.

Further, in step S3, the method for assembling the modular rotary transport apparatus according to the present invention includes:

step S31: an insulating strip 8 is arranged in an insulating groove of a power mandrel 9, a power ring 6 and an insulating ring 7 are sequentially sleeved on the power mandrel 9, the inner diameter of the power ring 6 is matched with the insulating strip 8, and adjacent power rings 6 are separated by the insulating ring 7;

step S32: two ends of the power mandrel 9 are rotatably provided with two fixed rings 1 through bearings 2; four support rods 10 are fixedly arranged between the two fixing rings 1;

step S33: the power brush assembly 5 is mounted on the support rod 10 through screws; when the power mandrel 9 rotates relative to the fixed ring 1, the power ring 6 and the power brush assembly 5 on the support rod 10 rotate relatively, the brush wires 52 are in sliding contact with the power ring 6, and the power ring 6 and the brush wires 52 can transmit current in a rotating mode.

Further, in step S33, by changing different mounting holes on the positioning plate 51 of the power brush assembly 5 to align with the threaded holes on the support rod 10, the relative positions of the brush filaments 52 and the power ring 6 can be adjusted, and the pressing force between the brush filaments 52 and the power ring 6 can be changed.

Compared with the prior art, the technical scheme provided by the embodiment has at least one of the following beneficial effects:

1. the invention discloses a modularized rotation transmission device, and aims to provide a power rotation transmission device which is convenient to install, low in cost and capable of being assembled and assembled in a modularized mode. The power brush module is convenient to assemble and quick to install.

3. The modularized rotary transmission device adopts a modularized combined installation mode, improves the product design and assembly efficiency through optimization, reduces the production cost, is convenient to assemble the power brush module, is quick to install, effectively reduces the damage degree of parts in the processes of disassembly, assembly and maintenance, and greatly prolongs the service life of products.

4. The modularized rotary transmission device has the advantages that the types of the power ring and the insulating ring are unique, the power ring and the insulating ring are not mixed during installation, the efficiency is high, the structure of the power brush wire bundle is simple, and the assembly is convenient.

5. The modularized rotary transmission device is installed and combined in a power modularized mode, so that the product standardization degree is improved, and the product quality and reliability are improved; the design and production cost is effectively reduced, the standardization and the universalization of products are improved, the product period is shortened, the high-quality and large-batch quick delivery of the products is favorably realized, and the production efficiency is improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.

Claims

1. A modular rotary transmission apparatus, comprising: a power module, a power mandrel (9) and an outer cover; the power mandrel (9) is arranged inside the outer cover and can rotate relative to the outer cover;

the power module is mounted on the housing; one or more groups of the power modules; a power ring (6) is fixedly arranged outside the power mandrel (9); the contact pieces of the power module are in sliding contact with the power ring (6) and can be electrically connected.

2. Modular rotary transfer device according to claim 1, characterized in that the power module comprises one or more groups of power brush assemblies (5).

3. The modular rotary transmission device according to claim 2, characterized in that the power rings (6) are provided in plurality, and a plurality of power rings (6) are arranged side by side and sleeved outside the power mandrel (9) and are independent of each other; an insulating ring (7) is arranged between the adjacent power rings (6).

4. Modular rotary transmission device according to claim 3, characterized in that an insulating strip (8) is provided between the power ring (6) and the power mandrel (9); the power ring (6) is electrically connected with a second cable.

5. Modular rotary transmission device according to claim 4, characterized in that the contact elements are brush filaments (52) made of metal.

6. The modular rotary transfer device of claim 5, wherein the housing comprises: a fixed ring (1) and a support rod (10); at least two support rods (10) are arranged and are perpendicular to the fixing ring (1); the supporting rods (10) are uniformly distributed in the circumferential direction of the fixing ring (1).

7. Modular rotation transmission device according to claim 6, characterized in that the stationary ring (1) is of annular configuration, that the power arbour (9) is coaxial with the stationary ring (1), and that the power arbour (9) is rotatably mounted on the stationary ring (1) by means of bearings (2).

8. Modular rotary transmission device according to claim 6 or 7, characterized in that the power brush assembly (5) comprises: brush filaments (52), a metal tube (53) and a first cable (54).

9. The modular rotary transfer device of claim 8, wherein the brush filaments (52) are plural in number, and the brush filaments (52) are gathered in the metal tube (53).

10. Method for power transmission of a modular rotary transmission device according to claims 1-9, characterized in that it comprises the following steps:

step S1: determining a current carrier base number of the power loop (6); determining a supply current for the modular rotary transmission device;

step S2: determining the number of power rings (6) from the current carrier base of the power rings (6) and the supply current of the modular rotary transmission device; determining the number of power modules and the number of groups of power modules each group of power modules comprises a power brush assembly (5);

step S3: the modularized rotation transmission device is assembled, and after the modularized rotation transmission device is electrified, the power ring (6) rotates relative to the power brush assembly (5); the brush filaments (52) slide on the surface of the power ring (6) to realize rotation transmission.