阅读说明：本技术 一种具有触点压力可调的导电滑环装置 (Conductive slip ring device with adjustable contact pressure ) 是由 郭子昂 黄琪琪 金思博 彭德润 赵振平 孙灿飞 郑国� 吴英建 吴慧 于 2021-09-15 设计创作，主要内容包括：本发明公开了一种具有触点压力可调的导电滑环装置,包括转子(1)、定子(2)、导电环(4)、电刷板(6)、电刷丝(8)、倾斜螺丝(9)、倾斜弹簧(11),转子(1)的外侧设有若干个导电环(4)；定子(2)用于将电刷板(6)固定在导电环(4)的外侧；电刷丝(8)的一端以一定倾斜角固定在电刷板(6)上,另一端与导电环(4)接触；倾斜弹簧(11)的一端连接倾斜螺丝(9),另一端与电刷丝(8)接触,倾斜螺丝(9)连接到电刷板(6)上。本发明可以通过旋钮倾斜螺丝(9)来控制电刷丝(8)与导电环(4)之间的压力,保证传输电信号的稳定性,增大导电滑环的使用寿命。(The invention discloses a conductive slip ring device with adjustable contact pressure, which comprises a rotor (1), a stator (2), conductive rings (4), a brush plate (6), brush wires (8), inclined screws (9) and inclined springs (11), wherein the outer side of the rotor (1) is provided with a plurality of conductive rings (4); the stator (2) is used for fixing the electric brush plate (6) on the outer side of the conducting ring (4); one end of each brush wire (8) is fixed on the brush plate (6) at a certain inclination angle, and the other end of each brush wire is in contact with the conductive ring (4); one end of the inclined spring (11) is connected with the inclined screw (9), the other end of the inclined spring is contacted with the brush wire (8), and the inclined screw (9) is connected to the brush plate (6). The invention can control the pressure between the brush wire (8) and the conductive ring (4) through the knob inclined screw (9), thereby ensuring the stability of electric signal transmission and prolonging the service life of the conductive slip ring.)

1. The utility model provides a lead electrical slip ring device with contact pressure is adjustable, includes rotor (1), stator (2), conducting ring (4), brush board (6), brush silk (8), slope screw (9), inclined spring (11), its characterized in that:

a plurality of conducting rings (4) are arranged on the outer side of the rotor (1);

the stator (2) is used for fixing the electric brush plate (6) on the outer side of the conducting ring (4);

one end of each brush wire (8) is fixed on the brush plate (6) at a certain inclination angle, and the other end of each brush wire is in contact with the conductive ring (4);

one end of the inclined spring (11) is connected with the inclined screw (9), the other end of the inclined spring is contacted with the brush wire (8), and the inclined screw (9) is connected to the brush plate (6).

2. The device of claim 1, wherein the stator (2) comprises a rotor fixing structure (21) and a brush plate fixing structure (22), the rotor fixing structure (21) is a hollow circular ring, and one end of the rotor (1) is connected to the inner side of the rotor fixing structure (21) through a bearing (3); the electric brush plate fixing structure (22) is composed of two discs and a plurality of supporting columns arranged between the two discs, and the supporting columns are arranged on the outer side of the conducting ring (4); the electric brush plate (6) is fixed on two adjacent support columns through nuts (7).

3. The slip ring device with adjustable contact pressure as claimed in claim 1, wherein the brush filaments (8) are fixed to the surface of the brush plate (6) at one end and are covered with an insulating sleeve (10).

4. An arrangement of conducting slip rings with adjustable contact pressure according to claim 1, characterized in that an insulating spacer ring (5) is arranged between adjacent conducting rings (4).

5. The device as claimed in claim 1, wherein the brush wires (8) are made of fiber alloy, and the conductive ring (4) is made of copper-plated noble metal.

Technical Field

The invention relates to the technical field of conductive slip rings, in particular to a conductive slip ring device with adjustable contact pressure.

Background

The conductive slip ring is a key part for realizing the electric signal transmission device of the two relative rotating mechanisms, and the pressure and the stability between the electric brush wire of the conductive slip ring and the conductive ring directly influence the electric signal transmission stability and the service life of the conductive slip ring.

At present, the conducting slip ring has the adoption of making the brush wire into a spring structure to automatically keep enough pressure between the brush wire and the conducting ring, thereby improving the stability of electric signal transmission, but in the running process of the conducting slip ring, the pressure between the brush wire and the conducting slip ring can not be kept most suitable constantly, the pressure is constantly reduced along with the abrasion of the brush wire and the conducting ring, thereby causing poor contact between the brush wire and the conducting ring, and the pressure between the brush wire and the conducting ring is maximum when just starting to run, the abrasion of the brush wire and the conducting ring can be accelerated, and further the service life of the whole conducting slip ring is influenced.

In view of the above-mentioned problems in the art, no effective solution has been proposed.

Disclosure of Invention

The invention aims to provide a conductive slip ring device with an adjustable contact pressure, which solves the technical problem that in the prior art, due to the fact that the pressure between a brush wire and a conductive ring is too large, the brush wire and the conductive ring are abraded too fast, and the service life of the conductive slip ring is further shortened.

The invention aims to be realized by the following technical scheme:

a conductive slip ring device with adjustable contact pressure comprises a rotor 1, a stator 2, a conductive ring 4, a brush plate 6, brush wires 8, inclined screws 9 and inclined springs 11;

the outer side of the rotor 1 is provided with a plurality of conducting rings 4;

the stator 2 is used for fixing the brush plate 6 outside the conducting ring 4;

one end of each brush wire 8 is fixed on the brush plate 6 at a certain inclination angle, and the other end of each brush wire is in contact with the conductive ring 4;

the inclined spring 11 has one end connected to the inclined screw 9 and the other end in contact with the brush wire 8, and the inclined screw 9 is connected to the brush plate 6.

Preferably, the stator 2 comprises a rotor fixing structure 21 and a brush plate fixing structure 22, the rotor fixing structure 21 is a hollow circular ring, and one end of the rotor 1 is connected to the inner side of the rotor fixing structure 21 through a bearing 3; the brush plate fixing structure 22 is two disks and a plurality of support columns arranged between the two disks, and the support columns are arranged outside the conducting ring 4; the electric brush plate 6 is fixed on two adjacent support columns through nuts 7.

Preferably, the brush filaments 8 are fixed to the brush plate 6 at one end thereof with an insulating sleeve 10 on the surface.

Preferably, an insulating spacer ring 5 is disposed between adjacent conductive rings 4.

Preferably, the brush wire 8 is made of fiber alloy, and the conductive ring 4 is made of copper-plated noble metal.

The invention has the beneficial effects that: the invention has the advantages that the gasket is manually added or the inclined spring is adjusted to keep the pressure between the brush wire and the conducting ring to be most suitable, thereby effectively improving the electric signal transmission stability of the conducting slip ring and prolonging the service life.

Drawings

Fig. 1 is a schematic structural diagram of a conductive slip ring device with adjustable contact pressure according to an embodiment.

Fig. 2 is a cross-sectional view of fig. 1.

Fig. 3 is a vertical sectional view of fig. 1.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Referring to fig. 1 to 3, the conductive slip ring device with adjustable contact pressure in the present embodiment includes a rotor 1, a stator 2, a bearing 3, a conductive ring 4, an insulating spacer ring 5, a brush plate 6, a nut 7, brush wires 8, a slanted screw 9, an insulating sleeve 10, a slanted spring 11, and the like.

The outer side of the rotor 1 is provided with a plurality of conducting rings 4.

The stator 2 serves to fix the brush plate 6 outside the conducting ring 4 so that the brush filaments 8 of the brush plate 6 touch the conducting ring 4. The shape of the stator can be varied in many ways, and the present embodiment includes, by way of example, a rotor fixing structure 21 and a brush plate fixing structure 22. The rotor fixing structure 21 is a hollow circular ring, and one end of the rotor 1 is connected to the inside of the rotor fixing structure through a bearing 3. The brush plate fixing structure 22 is two circular discs and a plurality of support posts arranged between the two circular discs, and the support posts are arranged outside the conducting ring 4.

The brush plate 6 is fixed on two adjacent columns of the stator 2 by nuts 7. One end of the brush wire 8 is fixed on the brush plate 6 with a certain inclination angle, and the other end is in contact with the conductive ring 4. The pressure between the brush filaments 8 and the conductive ring 4 can be controlled by adjusting the thickness of the spacer under the nut 7. The brush plate 6 is detachably installed and fixed on the stator 2, and only the brush plate 6 needs to be replaced under the condition that the brush wires 8 are excessively worn, so that the maintenance cost is reduced. The brush wire 8 is fixed on the surface of one end of the brush plate 6 and is sleeved with an insulating sleeve 10.

The inclined spring 11 has one end connected to the inclined screw 9 and the other end in contact with the brush wire 8, and the inclined screw 9 is connected to the brush plate 6. Before the use begins, make brush pressure reach the most suitable through adjusting inclined spring 11, when rotor 1 fast rotation, conducting ring 4 rubs and produces wearing and tearing with brush silk 8, uses the time wearing and tearing that become more, can control the pressure between brush silk 8 and the conducting ring 4 through knob slope screw 9, guarantees the stability of the transmission signal of telecommunication, increases the life of conducting the sliding ring.

Preferably, an insulating spacer ring 5 is arranged between the adjacent conducting rings 4, so that multiple signals can be stably transmitted at the same time without mutual interference.

Preferably, the surface film of the inclined spring 11 and the insulating sleeve 10 are made of insulating materials, the brush wire 8 is made of fiber alloy, and the conductive ring 4 is made of copper-plated noble metal.

In summary, it can be known from the embodiments of the conductive slip ring of the present invention that after the brush wire 8 and the conductive ring 4 are abraded due to friction, the structure of the canted spring 11 can be adjusted to keep the pressure between the brush wire 8 and the conductive ring 4 most suitable, so as to improve the stability of electrical signal transmission of the conductive slip ring and increase the service life thereof.

It should be understood that equivalents and modifications of the technical solution and inventive concept thereof may occur to those skilled in the art, and all such modifications and alterations should fall within the scope of the appended claims.