CN213279432U

CN213279432U - Slip ring brush yoke assembly for high-voltage motor

Info

Publication number: CN213279432U
Application number: CN202021897163.1U
Authority: CN
Inventors: 柴庆领; 马廷福
Original assignee: Cangzhou Huahai Wind Power Equipment Technology Development Co ltd
Current assignee: Cangzhou Huahai Wind Power Equipment Technology Development Co ltd
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2021-05-25
Anticipated expiration: 2030-09-03

Abstract

The utility model discloses a sliding ring brush yoke assembly for high-voltage motor, integrated guard shield is installed on high-voltage motor outside platform, and the fan intracavity portion that the fan set up in integrated guard shield is fixed with the rotor spindle, and fan chamber upper portion intercommunication has the water conservancy diversion chamber, and the opening in water conservancy diversion chamber is just to the brush yoke subassembly, and the brush yoke subassembly is fixed on the platform, and brush yoke subassembly one end is connected the other end with supply cable and is connected with the current collection sliding ring through high-voltage motor's brush, and the current collection sliding ring is fixed on the high-voltage motor rotor spindle, the three-phase of current collection sliding ring and high-voltage motor's rotor winding coil connection. The slip ring brush carrier assembly for the high-voltage motor is used for supplying power to a rotor winding of the high-voltage motor, and is provided with a ventilation system for preventing the slip ring and a brush carrier component from generating heat at high temperature in the running process of the motor and preventing dust generated in the running process from influencing the insulation performance of the slip ring component.

Description

Slip ring brush yoke assembly for high-voltage motor

Technical Field

The utility model relates to a motor brush yoke technical field specifically is a sliding ring brush yoke assembly for high-voltage motor.

Background

The brush holder is used for exerting pressure on the carbon brush which is in sliding contact with the surface of the commutator or the collecting ring through the spring so as to enable the carbon brush to stably conduct current between the fixed body and the rotating body. Both the brush holder and the carbon brushes are very important components for an electric machine.

At present, the wound-rotor high-voltage motor is widely applied to the market, the failure reasons of the electric brush slip ring system such as ignition, heating and blasting are high, generally, the failure reasons are that the inter-phase insulation damage is caused by the accumulation of dust in the slip ring system due to the fact that the system temperature is too high and heat can not be dissipated. The heat dissipation and dust cleaning effects of the slip ring brush holder system applied to the existing market are not good, and a novel slip ring brush holder system is urgently needed to solve the problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a slip ring brush yoke assembly for high-voltage motor to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a slip ring brush yoke assembly for high-voltage motor, places on the platform including integrated guard shield, high-voltage motor rotor spindle is connected with the fan, and the fan setting is inside the fan chamber of seting up in integrated guard shield, and fan chamber upper portion intercommunication has the water conservancy diversion chamber, and the opening in water conservancy diversion chamber is just to brush yoke subassembly, and brush yoke subassembly is fixed on the platform, and brush yoke subassembly one end is connected the other end with supply cable and is connected with the current collection sliding ring through high-voltage motor's brush, and the current collection sliding ring is fixed on the rotor spindle, the three-phase of current collection sliding ring and high-voltage motor.

Preferably, the front section of the fan is provided with a ventilation screen plate with the same size as the fan surface.

Preferably, the flow guide cavities are provided in plurality, so that wind can uniformly blow on the collector slip ring and the brush holder assembly.

Preferably, integrated guard shield bilateral symmetry is provided with the observation window, and the observation window seals through organic glass.

Compared with the prior art, the beneficial effects of the utility model are that: the slip ring brush yoke assembly for the high-voltage motor is used for supplying power to a rotor winding of the high-voltage motor, a self-contained ventilation system prevents a slip ring and a brush yoke part from generating high temperature in the running process of the motor and prevents dust generated in the running process from influencing the insulating property of the slip ring part, a current collection slip ring is fixed on a rotor shaft of the motor, a slip ring three-phase is connected with a rotor winding coil and transmits the current conducted by an electric brush to the winding coil, a brush yoke component is fixed on a platform, one end of the brush yoke component is connected with a power supply cable, the other end of the brush yoke component is connected with the slip ring through the electric brush and is used for the sliding conduction of the current; the fan is formed by integrating the fan cavity, the flow guide cavity and the fan, high-pressure airflow is generated when the motor runs and is uniformly blown to the brush carrier slip ring part through the flow guide cavity, and the fan is arranged on a motor spindle and synchronously rotates with a motor rotor to generate airflow.

Drawings

FIG. 1 is a schematic structural view of a slip ring brush holder assembly for a high voltage motor according to the present invention;

fig. 2 is a front view of the slip ring brush holder assembly for a high voltage motor.

In the figure: 1. platform, 2, fan, 3, collection electrical slip ring, 4, water conservancy diversion chamber, 5, integrated guard shield, 6, brush yoke subassembly, 7, fan chamber, 8, ventilation otter board, 9, rotor main shaft, 10, observation window.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a slip ring brush yoke assembly for a high-voltage motor comprises an integrated shield 5 placed on a platform 1, observation windows 10 are symmetrically arranged on two sides of the integrated shield 5, the observation windows 10 are sealed through organic glass, the observation windows 10 are convenient for observing the operation condition of a brush yoke component 6, even if the risk of damage of the high-voltage motor is eliminated, a rotor spindle 9 of the high-voltage motor is connected with a fan 2, a ventilation screen plate 8 with the same size as the fan surface is arranged on the front section of the fan 2, the ventilation screen plate 8 can ventilate and can prevent sundries from entering the electric slip ring 3 to damage the inside, the fan 2 is arranged inside a fan cavity 7 formed in the integrated shield 5, the upper part of the fan cavity 7 is communicated with a flow guide cavity 4, the opening of the flow guide cavity 4 is right opposite, the flow guide cavity 4 is provided with a plurality of flow guide cavities 4, so that the wind is uniformly blown on a current collection, the high-voltage motor generates high-pressure airflow during operation, the high-pressure airflow is uniformly blown off at the position of the current collecting slip ring 3 through the diversion cavity 4, the return stroke on the surface of the current collecting slip ring can be blown off, efficient heat dissipation can be realized, the brush holder assembly 6 is fixed on the platform 1, one end of the brush holder assembly 6 is connected with a power supply cable, the other end of the brush holder assembly is connected with the current collecting slip ring 3 through an electric brush of the brush holder assembly 6, the current collecting slip ring 3 is fixed on the rotor spindle 9, and the three phases of the current.

The working principle is as follows: when the slip ring brush carrier assembly for the high-voltage motor is used, the structure of the device is simply known firstly, the high-voltage motor is started firstly, the rotor spindle 9 is driven to rotate in the starting process, the rotor spindle 9 drives the fan 2 to rotate, the fan cavity 7, the flow guide cavity 4 and the fan 2 form a fan, the fan 2 generates high-pressure airflow when the high-voltage motor operates, the high-pressure airflow is uniformly blown off on the current collection slip ring 3 and the brush carrier assembly 6 through the flow guide cavity 4, dust is blown off to avoid influencing the insulativity of the current collection slip ring 3, the three phases of the current collection slip ring 3 are connected with a rotor winding coil, the current conducted by the brush is transmitted to the winding coil, the brush carrier assembly 6 is used for sliding conduction of cable current and current of the current collection slip ring, and the working principle of the slip ring brush.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a slip ring brush yoke assembly for high-voltage motor which characterized in that: place on platform (1) including integrated guard shield (5), high-voltage motor's rotor spindle (9) are connected with fan (2), inside fan chamber (7) that fan (2) set up in integrated guard shield (5), and fan chamber (7) upper portion intercommunication has water conservancy diversion chamber (4), the opening in water conservancy diversion chamber (4) is just to brush yoke subassembly (6), brush yoke subassembly (6) are fixed on platform (1), brush yoke subassembly (6) one end is connected the brush of the other end through high-voltage motor (11) with supply cable and is connected with current collection sliding ring (3), current collection sliding ring (3) are fixed on rotor spindle (9), the three-phase of current collection sliding ring (3) is connected with high-voltage motor's rotor winding coil.

2. The slip ring brush holder assembly according to claim 1, wherein: the front section of the fan (2) is provided with a ventilation screen (8) with the same size as the fan surface.

3. The slip ring brush holder assembly according to claim 1, wherein: the flow guide cavities (4) are arranged in a plurality, so that wind can be uniformly blown onto the collector slip ring (3) and the brush holder assembly (6).

4. The slip ring brush holder assembly according to claim 1, wherein: the integrated shield (5) bilateral symmetry is provided with observation window (10), and observation window (10) seal through organic glass.