CN217334620U

CN217334620U - Rotary power transmission device

Info

Publication number: CN217334620U
Application number: CN202220125282.8U
Authority: CN
Inventors: 郑浩; 杨怀信
Original assignee: Qingdao Dingzhixin Environmental Protection Technology Co ltd
Current assignee: Qingdao Dingzhixin Environmental Protection Technology Co ltd
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2022-08-30
Anticipated expiration: 2032-01-18

Abstract

The utility model provides a rotatory transmission of electricity device, including rotor sleeve, stator sleeve, rotor ring and stator ring, the up end of rotor ring and stator ring all has the milling flutes, the rotor ring is installed respectively to rotor sleeve's upper end and lower extreme, the stator ring is installed form stator module on the stator sleeve, stator module is fixed respectively to rotor sleeve's top and below, the copper pearl has between stator ring and the rotor ring. The utility model discloses a rolling friction transmission of electricity of copper ball in the milling flutes has reduced frictional force, has prolonged transmission of electricity device's life greatly, and has stopped the phenomenon of striking sparks between two copper rings, and the temperature of during operation is greatly reduced also, can be applied to solid useless processing field.

Description

Rotary power transmission device

Technical Field

The utility model relates to a transmission of electricity device.

Background

The conductive slip ring belongs to the application range of electric contact sliding connection, is a precise power transmission device for realizing image, data signal and power transmission of two relative rotating mechanisms, and is mainly applied to places which can rotate continuously without limit and need to transmit power or data from a fixed position to a rotating position.

Conventional slip ring technology is classified into the following three types: the first composite brush block technology generally adopts the forms of carbon brushes, copper brushes, silver/graphite/molybdenum disulfide brush blocks and the like; the second one uses noble metal alloy monofilament, such as AuNi 9; in the third fiber brush technology, the fiber brush is a special sliding electrical contact design. The brush is simply a cantilever design in which the loose, unbound ends of the brush bundle are attached to grooves in the surface of the loop by aligning the individual metal filaments (wires) and fitting them into a metal tube.

The application of the three technologies to large-scale industrialized equipment has obvious defects. The power of electric power transmitted by the electric brush technology is limited, the electric brush with the current exceeding 300A is easy to ignite, the continuous use often causes shutdown due to short circuit, and the industrial production loss is extremely large. The noble metal alloy monofilament is expensive and is not suitable for industrial large-scale application. In terms of the fiber brush technology, at present, no high-power conductive slip ring suitable for industrial equipment is available, and at present, the fiber brush technology product with the current exceeding 300A is blank.

Therefore, under such a background, a novel rotary power transmission device that can be applied to a large-scale industrial equipment and that can transmit power at a high power and has a small energy consumption has been proposed as a problem faced by the present invention.

SUMMERY OF THE UTILITY MODEL

For solving prior art and exist high-power transmission easily strike sparks and energy consumption big inefficiency the grade defect, the utility model provides a rotatory transmission of electricity device, it adopts following scheme:

a rotary power transmission device comprises a rotor sleeve, a stator sleeve, a rotor ring and a stator ring, wherein the upper end faces of the rotor ring and the stator ring are provided with milled grooves, the upper end and the lower end of the rotor sleeve are respectively provided with the rotor ring, the stator ring is arranged on the stator sleeve to form a stator assembly, the stator assembly is respectively fixed above and below the rotor sleeve, and copper beads are arranged between the stator ring and the rotor ring.

Furthermore, the rotor sleeve comprises a middle sleeve part and a rotor ring stop arranged up and down, the side wall of the sleeve part is provided with a wire outlet hole, and the side walls of two ends of the rotor sleeve are respectively provided with a fixing part.

Furthermore, a stator ring baffle is arranged at the upper end of the stator sleeve, and lugs with mounting holes are arranged around the stator ring baffle.

And the double-thread pull rod is arranged in the mounting holes of the stator ring blocks above and below the rotor sleeve.

Further, conductive silicone grease is arranged in the milling groove.

Furthermore, the rotor sleeve and the stator sleeve are made of polyvinyl chloride.

Compared with the prior art, the utility model discloses a rolling friction transmission of electricity of copper ball in the milling flutes has reduced frictional force, has prolonged transmission of electricity device's life greatly, and has stopped the phenomenon of striking sparks between two copper rings, and the temperature of during operation is greatly reduced also, can be applied to solid useless processing field.

Drawings

Fig. 1 is a schematic structural view of the rotary power transmission device of the present invention;

FIG. 2 is a schematic view of the structure of the stator sleeve of the present invention;

fig. 3 is a top view of the stator sleeve of the present invention;

FIG. 4 is a schematic view of the rotor structure of the present invention;

fig. 5 is a side view of the rotor structure of the present invention;

FIG. 6 is a schematic view of a rotor ring and stator ring fit structure of the present invention;

as in the above figures, 1, a rotor sleeve; 1-1, a sleeve portion; 1-2, a rotor ring gear; 1-3, wire outlet holes; 1-4, fixing parts; 2. a stator sleeve; 2-1, stator ring gear; 2-2, fixing parts; 2-1-1, lug; 2-1-2, mounting holes; 3. a rotor ring; 3-1, milling grooves; 3-2, screw holes; 4. a stator ring; 4-1, milling grooves; 4-2, screw holes; 5. a double-threaded pull rod; 6. a copper nut; 7. a copper wiring terminal; 8. a bakelite block; 9. a thin nut; 10. a spring washer; 11. a spring; 12. copper beads.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative and are only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first" and "second" may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

According to the diameter requirement of an industrial reaction kettle, the embodiment provides the rotary power transmission device which is high in transmission power, free of ignition, low in loss and capable of continuously operating for a long time. Specifically, referring to fig. 1 to 6, including: rotor sleeve 1, stator sleeve 2, rotor ring 3, stator ring 4 and copper ball 12.

The rotor ring 3 and the stator ring 4 are made of copper rings with low resistivity according to the size of current transmission required by a user, the rotor ring 3 and the stator ring 4 are consistent in size, a semicircular milling groove 4-1 is formed in the corresponding ring surface, after the rotor ring 3 and the stator ring 4 are buckled, a plurality of brass beads 12 with high wear resistance are placed in the milling groove 4-1, and the diameter of each brass bead 12 is equal to that of the semicircular milling groove 4-1. As shown in fig. 6, screw holes 4-2 are also provided on the rotor ring 3 and the stator ring 4, respectively. Referring to fig. 2 and 3, the rotor sleeve 1 includes a middle sleeve portion 1-1 and rotor ring retainers 1-2 arranged up and down, a wire outlet 1-3 is formed on a side wall of the sleeve portion 1-1, fixing members 2-2 are respectively arranged on side walls of two ends of the rotor sleeve 1, the fixing members 2-2 are rectangular cylinders in the embodiment, and the rotor ring 3 can be fixed on the rotor sleeve 1 through a rotor bakelite block 8. Referring to fig. 4 and 5, a stator ring 2-1 is arranged at the upper end of the stator sleeve 2, and lugs 2-1-1 with mounting holes 2-1-2 are arranged around the stator ring 2-1. In order to conveniently install the copper ring, a rectangular cylinder is also arranged on the side wall of the stator sleeve 2.

When in installation, the rectangular column casing of the stator sleeve 2 is provided with the set sub bakelite block 8, the stator copper ring is sleeved on the stator sleeve 2, the stator copper ring is fixed and arranged on the rotating shaft through screw fastening, the rotor sleeve 1 is fixed by the rotor bakelite block 8 and arranged below the stator sleeve 2, the double-thread pull rod 5 penetrates through the lug 2-1-1 mounting hole 2-1-2 of the upper stator ring baffle 2-1 and the lower stator ring baffle 2-1 to be fixed, a spring 11 is arranged on the double-thread pull rod 5 to adjust the tightness, copper beads 12 used for rolling are arranged between the rotor ring 3 and the stator ring 4, the copper beads 12 are buckled in the upper milling groove 4-1 and the lower milling groove 4-1 and are uniformly coated with conductive paste, and the overflowing part of the conductive paste is wiped off after the upper copper ring and the lower copper ring rotate for several times. And copper binding posts 7 are respectively arranged on the rotor ring 3 and the stator ring 4 and used for connecting wires.

When in use, the rotor sleeve 1 is driven to rotate by the equipment rotating shaft, the external power supply wire is connected on the copper ring of the stator sleeve 2, the purpose of connection is achieved by rolling the middle copper ball, the rolling friction in the milling groove 4-1 of the copper ball is adopted, the friction force is reduced, and the service life is greatly prolonged.

The utility model discloses through half year's industrialization continuous production, the operation is reliable trouble-free, and transmission current 500A has not appeared because the short circuit or the trouble of conducting the electrical slip ring, causes the phenomenon that equipment shut down.

The above-mentioned embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a rotatory power transmission device, its characterized in that includes rotor sleeve, stator sleeve, rotor ring and stator ring, the up end of rotor ring and stator ring all has the milling flutes, rotor ring is installed respectively to rotor sleeve's upper end and lower extreme, stator ring installs form stator module on the stator sleeve, stator module is fixed respectively to rotor sleeve's top and below, copper pearl has between stator ring and the rotor ring.

2. The rotary power transmission device according to claim 1, wherein the rotor sleeve includes a middle sleeve portion and a rotor ring stop disposed above and below the middle sleeve portion, a wire outlet hole is formed in a side wall of the sleeve portion, and fixing members are respectively disposed on side walls of two ends of the rotor sleeve.

3. The rotary power transmission device according to claim 1, characterized in that the upper end of the stator sleeve is provided with a stator ring, and the stator ring is provided with lugs with mounting holes around the stator ring.

4. The rotary power transmission device of claim 3, further comprising double threaded tie rods mounted in mounting holes of the stator ring stops above and below the rotor sleeve.

5. A rotary power transmission device according to claim 1, characterized in that the milled grooves have conductive silicone grease therein.

6. A rotary power transmission device according to claim 1, characterized in that the rotor sleeve and the stator sleeve are made of polyvinyl chloride.