Brush holder and insulation protection device for generator

Abstract

The utility model provides a brush carrier and insulation protection device for a generator, which comprises a split type clamp, and the interface of the split type clamp is fixed through a plurality of nylon bolts. Sealing rings are arranged at platforms of two ports of the split type clamp, and sealing strips are arranged at joints of connectors of the split type clamp. According to the utility model, the split type structure is adopted, the split parts are folded through the nylon bolt, and the exposed part of the screw rod is wrapped inside, so that the purpose of enhancing insulation protection is achieved.

Description

Technical Field

[0001] The utility model relates to the field of auxiliary tools for electric power equipment, in particular to a brush holder for a generator and an insulation protection device. Background Art

[0002] The brush holder is an important part of the hydro-generator, which is fixed and installed by screws. The screws and the conductive rings are insulated from each other. In the daily operation of the unit, the wear of the carbon brushes will produce a large amount of carbon powder, which will adhere to and accumulate near the insulating sleeve, causing the conductive ring and the screw to be electrically connected, causing a short circuit and burning the unit equipment.

[0003] The existing generator brush holders and conductive rings on the market are fixed with metal screws. The contact positions of the screws, brush holders and conductive rings are insulated from each other by setting insulating tubes and insulating sleeves. During the daily operation of the unit, the carbon powder produced by the wear of the carbon brushes will adhere to and accumulate near the insulating sleeve, making the brush holders, conductive rings and screws exposed and conductive, causing short circuits between the positive and negative poles of the brush holders and conductive rings and to the ground, resulting in unit shutdown and overheating and burning of the slip ring device, affecting the stability of equipment operation.

[0004] In order to solve the above technical problems, it is now urgent to provide a brush holder and an insulation protection device for a generator. Utility Model Content

[0005] The purpose of the utility model is to overcome the above-mentioned shortcomings and provide a brush holder and an insulation protection device for a generator to solve the problems raised in the background technology.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions: a brush holder and insulation protection device for a generator, comprising a split clamp, the interface of the split clamp is fixed by a plurality of nylon bolts, sealing rings are arranged at the platforms at the two ends of the split clamp, and sealing strips are arranged at the interface seams of the split clamp.

[0007] Preferably, the split clamp is a circular ring structure, and the split clamp is a multi-petal structure.

[0008] Preferably, the split clamp is made of insulating material.

[0009] Preferably, the sealing ring and the sealing strip are both made of highly sealable polypropylene.

[0010] The utility model has the following beneficial effects:

[0011] (1) The utility model uses an insulating protection device to wrap the exposed part of the metal screw of the brush holder inside, thereby preventing carbon powder from adhering to and accumulating to cause insulation degradation of the conductive ring and short circuit, thereby greatly improving safety.

[0012] (2) The main structure of the utility model adopts a multi-petal structure, which is convenient for installation and disassembly during maintenance, thereby improving the work efficiency of maintenance personnel and reducing their workload. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a side view of the utility model;

[0014] Figure 2 It is a top view of the utility model. DETAILED DESCRIPTION

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0016] See also Figure 1 to Figure 2 A brush holder and insulation protection device for a generator, comprising a split fixture 1, the interface of the split fixture 1 is fixed by a plurality of nylon bolts 2, a sealing ring 3 is provided at the two end platforms of the split fixture 1, and a sealing strip 4 is provided at the interface seam of the split fixture 1. This design wraps the exposed part of the metal screw of the brush holder inside through the insulation protection device to prevent the conductive ring insulation degradation and short circuit caused by the adhesion and accumulation of carbon powder.

[0017] Preferably, the split fixture 1 is a circular ring structure, and the split fixture 1 is a multi-petal structure. The structure is convenient for installation and disassembly during maintenance, which improves the work efficiency of maintenance personnel and reduces the workload of maintenance personnel.

[0018] Preferably, the split clamp 1 is made of insulating material.

[0019] Preferably, the sealing ring 3 and the sealing strip 4 are both made of highly airtight polypropylene. This design can effectively prevent carbon powder from entering the interior of the protective device through the gap.

[0020] The working principle of this embodiment is as follows:

[0021] When the utility model is used, the separate structures of the clamp are closed together, and then the interfaces are connected and locked respectively with nylon bolts to prevent carbon powder from adhering.

[0022] The above embodiments are only preferred technical solutions of the present invention and should not be regarded as limitations of the present invention. The protection scope of the present invention shall be the technical solutions recorded in the claims, including equivalent replacement solutions of the technical features in the technical solutions recorded in the claims. That is, equivalent replacement improvements within this scope are also within the protection scope of the present invention.

Claims

1. A brush holder and insulation protection device for a generator, comprising a split type clamp (1), characterized in that: The interface of the split clamp (1) is fixed by means of a plurality of nylon bolts (2), sealing rings (3) are provided at two end platforms of the split clamp (1), and sealing strips (4) are provided at the interface seams of the split clamp (1).

2. A brush holder and insulation protection device for a generator according to claim 1, characterized in that: The split-type clamp (1) is a circular ring-shaped structure, and the split-type clamp (1) is a multi-petal structure.

3. A brush holder and insulation protection device for a generator according to claim 1, characterized in that: The split type clamp (1) is made of insulating material.

4. A brush holder and insulation protection device for a generator according to claim 1, characterized in that: The sealing ring (3) and the sealing strip (4) are both made of highly sealable polypropylene material.

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