CN215955658U

CN215955658U - Industrial central current collector

Info

Publication number: CN215955658U
Application number: CN202121042213.2U
Authority: CN
Inventors: 姬凡超; 姬繁生; 张磊磊
Original assignee: Hebei Yida Electrical Appliance Equipment Co ltd
Current assignee: Hebei Yida Electrical Appliance Equipment Co ltd
Priority date: 2021-05-17
Filing date: 2021-05-17
Publication date: 2022-03-04
Anticipated expiration: 2031-05-17

Abstract

The utility model relates to the technical field of central current collectors, in particular to an industrial central current collector, which comprises a rotating shell and a fixed disk, wherein a carbon brush assembly is fixedly arranged in the rotating shell, the top end of the fixed disk extends into the rotating shell, and a power slip ring assembly matched with the carbon brush assembly is arranged on the fixed disk; the power slip ring assembly is provided with a plurality of insulating pipes, the top ends of the insulating pipes are provided with triangular supporting plates, the top ends of the triangular supporting plates are provided with fixed shafts, the outer sides of the fixed shafts are provided with weak current signal slip ring assemblies, and the outer sides of the weak current signal slip ring assemblies are provided with sealing shells; the power slip ring group and the weak point signal slip ring group are designed in a separated mode, so that the condition that carbon powder is accumulated on the weak current signal slip ring group to reduce the insulation resistance of an insulating layer can be effectively prevented, the occurrence of short circuit, ignition and combustion is effectively prevented, the harm caused by the carbon powder is reduced, and the service life of a current collector is prolonged.

Description

Industrial central current collector

Technical Field

The utility model relates to the technical field of central current collectors, in particular to an industrial central current collector.

Background

With the rapid development of the Chinese mechanical equipment industry, the application of large-scale integrated power supply equipment is more and more extensive, the power and signal transmission is more and more diversified, and the accuracy of equipment control is higher and higher, so the requirements on power and signal transmission are higher and higher, and many pieces of equipment need to be designed into a whole by combining power and signal transmission, so that a central current collector is produced at the beginning. The central current collector is a device for transmitting current from a stationary apparatus to a rotating device, i.e., a rotating member on a stationary shaft to transmit power. The current is transmitted to the rotor brush carrier through the static slip ring component, and the product is mainly used for power transmission and signal conduction when the component does circular motion relative to the component.

The central current collector in the market comprises a slip ring stator and a brush carrier rotor, and a carbon brush is in friction contact with a collecting ring, so that carbon powder is accumulated inside, an insulating interlayer of weak current and signals is very thin, the carbon powder is remained on the insulating layer, short circuit, ignition and combustion are easily caused, the weak current and the signals are difficult to transmit, the service life of the central current collector is shortened, and equipment is burnt out simultaneously.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the industrial central current collector, and the power slip ring group and the weak point signal slip ring group are designed in a separated mode, so that the condition that carbon powder is accumulated on the weak current signal slip ring group to reduce the insulation resistance of an insulating layer can be effectively prevented, the occurrence of short circuit, ignition and combustion is effectively prevented, the harm caused by the carbon powder is reduced, and the service life of the current collector is prolonged.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: an industrial central current collector comprises a rotating shell and a fixed disk, wherein a carbon brush assembly is fixedly installed inside the rotating shell, the top end of the fixed disk extends into the rotating shell, and a power slip ring assembly matched with the carbon brush assembly is arranged on the fixed disk; the power slip ring assembly is provided with a plurality of insulating tubes, a triangular support plate is arranged at the top ends of the insulating tubes, a fixed shaft is arranged at the top end of the triangular support plate, a weak current signal slip ring assembly is arranged on the outer side of the fixed shaft, and a sealing shell is arranged on the outer side of the weak current signal slip ring assembly.

Preferably, the weak current signal slip ring subassembly is including fixed ring, the two sets of deep groove ball bearing of installing in the fixed axle outside of setting in the fixed axle outside, install in the collar in the two sets of deep groove ball bearing outsides and install the brush silk subassembly between two sets of collars, the tip of brush silk subassembly pastes tightly with the outside of ring, the outside of collar is provided with the plectrum, be provided with on the rotatory casing and drive plectrum and collar pivoted drive pole.

Preferably, the ring comprises a cylinder body and an insulating ring arranged on the outer side of the cylinder body, and the cylinder body is made of metal copper materials.

Preferably, the brush silk subassembly is including installing the bracing piece between two sets of collars, installing the brush yoke plate on two sets of bracing pieces and installing the brush silk on the brush yoke plate, the tip of brush silk pastes closely with the outside of ring.

Preferably, the fixed disc is rotatably connected with the rotating shell through a bearing, and the fixed shaft is rotatably connected with the rotating shell through a bearing.

Preferably, the seal housing is mounted on the outside between the two sets of mounting rings.

Preferably, a first wiring terminal electrically connected with the power slip ring assembly is installed on the triangular support plate, and a second wiring terminal electrically connected with the carbon brush assembly is installed on the rotating shell.

Preferably, the sealing shell is provided with a slot hole for the brush wire connecting lead to pass through, and the middle part of the fixing shaft is provided with a central hole for the ring connecting lead to pass through.

(III) advantageous effects

Compared with the prior art, the utility model provides an industrial central current collector, which has the following beneficial effects:

1. according to the industrial central current collector, the power slip ring assembly and the weak current signal slip ring assembly are separately designed through the triangular supporting plate, and the sealing shell is arranged on the outer side of the weak current signal slip ring assembly, so that the condition that carbon powder generated by the carbon brush assembly is accumulated on the weak current signal slip ring assembly to reduce the insulation resistance of an insulating layer can be effectively prevented, the occurrence of short circuit, ignition and combustion is effectively prevented, the harm caused by the carbon powder is reduced, and the service life of the current collector is prolonged;

2. this industrial central current collector, weak current signal slip ring subassembly no longer adopt the carbon brush structure, but adopt brush silk and ring complex structure, can not produce the carbon powder itself, can guarantee weak current signal's circular telegram effect moreover.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of another embodiment of the present invention;

FIG. 3 is a schematic plan view of the present invention;

FIG. 4 is a perspective view of a stationary shaft, a weak wire number slip ring assembly and a seal housing of the present invention;

FIG. 5 is a perspective view of a stationary shaft and low current signal slip ring assembly of the present invention;

in the drawings, the reference numbers: 1. a rotating housing; 2. fixing the disc; 3. a carbon brush assembly; 4. a power slip ring assembly; 5. an insulating tube; 6. a triangular support plate; 7. a fixed shaft; 8. a weak current signal slip ring assembly; 9. sealing the housing; 10. a loop; 11. a deep groove ball bearing; 12. a mounting ring; 13. a shifting sheet; 14. driving the rod; 15. an insulating ring; 16. a support bar; 17. a brush holder plate; 18. brushing wires; 19. a first connection terminal; 20. a second connection terminal; 21. a slot hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the industrial central current collector of the present invention includes a rotating housing 1 and a fixed disk 2, a carbon brush assembly 3 is fixedly installed inside the rotating housing 1, the top end of the fixed disk 2 extends into the rotating housing 1, a power slip ring assembly 4 matched with the carbon brush assembly 3 is disposed on the fixed disk 2, current still adopts the existing carbon brush assembly 3 on the market to match the power slip ring assembly 4, and the current is transmitted to the rotating carbon brush assembly 3 through a stationary slip ring; the power slip ring component 4 is provided with a plurality of insulating tubes 5, the top ends of the insulating tubes 5 are provided with triangular supporting plates 6, the top ends of the triangular supporting plates 6 are provided with fixing shafts 7, the outer sides of the fixing shafts 7 are provided with weak current signal slip ring components, the outer sides of the weak current signal slip ring components are provided with sealing shells 9, the sealing shells 9 are arranged on the outer sides between two groups of mounting rings 12, each weak current signal slip ring component comprises a ring 10 fixedly arranged on the outer side of the fixing shaft 7, two groups of deep groove ball bearings 11 arranged on the outer side of the fixing shaft 7, mounting rings 12 arranged on the outer sides of the two groups of deep groove ball bearings 11 and a brush wire 18 component arranged between the two groups of mounting rings 12, the end parts of the brush wire 18 component are tightly attached to the outer sides of the ring 10, the outer sides of the mounting rings 12 are provided with shifting pieces 13, the rotating shell 1 is provided with a driving rod 14 for driving the shifting pieces 13 and the mounting rings 12 to rotate, the power slip ring assembly 4 and the weak current signal slip ring assembly are separately designed through the triangular supporting plate 6, and the sealing shell 9 is arranged on the outer side of the weak current signal slip ring assembly, so that the condition that carbon powder generated by the carbon brush assembly 3 is accumulated on the weak current signal slip ring assembly to reduce the insulation resistance of an insulating layer can be effectively prevented, the occurrence of short circuit, ignition and combustion is effectively prevented, the harm caused by the carbon powder is reduced, and the service life of a current collector is prolonged; the weak current signal slip ring component does not adopt a carbon brush structure, but adopts a structure that the brush wire 18 is matched with the ring 10, so that carbon powder cannot be generated, and the electrifying effect of the weak current signal can be ensured.

The ring 10 includes the barrel and installs in the insulating collar 15 in the barrel outside, the barrel adopts the metal copper product matter, brush silk 18 subassembly is including installing bracing piece 16 between two sets of collars 12, installing brush yoke plate 17 on two sets of bracing pieces 16 and installing brush silk 18 on brush yoke plate 17, the tip of brush silk 18 pastes tightly with the outside of ring 10, and the tip of brush silk 18 pastes tightly with the outside of barrel, guarantees the electric connection of the weak current signal of rotatory in-process.

The fixed disc 2 is rotatably connected with the rotating shell 1 through a bearing, and the fixed shaft 7 is rotatably connected with the rotating shell 1 through a bearing; ensuring that the rotating housing 1 rotates with the external device.

The triangular support plate 6 is provided with a first wiring terminal 19 electrically connected with the power slip ring assembly 4, the rotating shell 1 is provided with a second wiring terminal 20 electrically connected with the carbon brush assembly 3, and the first wiring terminal 19 and the second wiring terminal 20 are respectively electrically connected with the power slip ring assembly 4 and the carbon brush assembly 3 and used for leading out a lead.

The sealing shell 9 is provided with a slotted hole 21 for the brush wire 18 to pass through, the middle part of the fixed shaft 7 is provided with a central hole for the ring 10 to pass through, the ring 10 of the weak current signal slip ring component is led out through the central hole, and the connecting wire of the brush wire 18 passes through the slotted hole 21 on the sealing shell 9 and is fixed with the rotating shell 1.

When the power slip ring assembly is used, the power slip ring assembly 4 and the weak current signal slip ring assembly are separately designed through the triangular supporting plate 6, and the sealing shell 9 is arranged on the outer side of the weak current signal slip ring assembly, so that the condition that carbon powder generated by the carbon brush assembly 3 is accumulated on the weak current signal slip ring assembly to reduce the insulation resistance of an insulating layer can be effectively prevented, the occurrence of short circuit, ignition and combustion is effectively prevented, the harm caused by the carbon powder is reduced, and the service life of a current collector is prolonged; the weak current signal slip ring component does not adopt a carbon brush structure, but adopts a structure that the brush wire 18 is matched with the ring 10, so that carbon powder cannot be generated, and the electrifying effect of the weak current signal can be ensured.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An industrial central current collector comprises a rotating shell (1) and a fixed disk (2), wherein a carbon brush assembly (3) is fixedly installed inside the rotating shell (1), the top end of the fixed disk (2) extends into the rotating shell (1), and a power slip ring assembly (4) matched with the carbon brush assembly (3) is arranged on the fixed disk (2); the power slip ring assembly is characterized in that a plurality of insulating tubes (5) are arranged on the power slip ring assembly (4), a triangular support plate (6) is arranged at the top ends of the insulating tubes (5), a fixed shaft (7) is arranged at the top end of the triangular support plate (6), a weak current signal slip ring assembly (8) is arranged on the outer side of the fixed shaft (7), and a sealing shell (9) is arranged on the outer side of the weak current signal slip ring assembly (8).

2. The industrial central current collector is characterized in that the weak-current signal slip ring assembly (8) comprises a ring (10) fixedly arranged outside the fixed shaft (7), two groups of deep groove ball bearings (11) arranged outside the fixed shaft (7), mounting rings (12) arranged outside the two groups of deep groove ball bearings (11) and a brush wire (18) assembly arranged between the two groups of mounting rings (12), wherein the end part of the brush wire (18) assembly is tightly attached to the outer side of the ring (10), a shifting sheet (13) is arranged outside the mounting rings (12), and a driving rod (14) for driving the shifting sheet (13) and the mounting rings (12) to rotate is arranged on the rotating housing (1).

3. An industrial central current collector according to claim 2, characterized in that the ring (10) comprises a cylindrical body made of a metallic copper material and an insulating ring (15) mounted on the outside of the cylindrical body.

4. An industrial center current collector according to claim 2, wherein the brush wire (18) assembly comprises a support rod (16) installed between two sets of mounting rings (12), a brush holder plate (17) installed on the two sets of support rods (16), and brush wires (18) installed on the brush holder plate (17), and ends of the brush wires (18) are abutted against the outer side of the ring (10).

5. An industrial central current collector according to claim 1, wherein the fixed disk (2) and the rotating housing (1) are rotatably connected through a bearing, and the fixed shaft (7) and the rotating housing (1) are rotatably connected through a bearing.

6. An industrial central collector according to claim 2, characterized in that the sealing housing (9) is mounted on the outside between two sets of mounting rings (12).

7. An industrial center current collector according to claim 1, wherein the triangular support plate (6) is provided with a first connection terminal (19) electrically connected with the power slip ring assembly (4), and the rotating housing (1) is provided with a second connection terminal (20) electrically connected with the carbon brush assembly (3).

8. An industrial central current collector according to claim 2, characterized in that the sealing case (9) is provided with a slot (21) for passing the connecting wire of the brush wire (18), and the middle part of the fixed shaft (7) is provided with a central hole for passing the connecting wire of the ring (10).