CN208289591U - A kind of generator excitation slip ring field turning device - Google Patents

Abstract

The utility model relates to a kind of generator excitation slip ring field turning devices, it includes pedestal, elevating mechanism, bottom plate, expansion plate, adjustment block, advance and retreat knife rest and abrasive machine, pedestal is horizontally placed on ground and its top is fixedly installed with elevating mechanism, elevating mechanism is fixedly connected with horizontally disposed bottom plate, bottom plate is equipped with the first mounting groove being packed into for expansion plate, the upper surface of expansion plate is equipped with the second mounting groove being packed into for adjustment block, one end of advance and retreat knife rest is fixedly connected with the upper surface of adjustment block, the other end is fixedly connected with abrasive machine, the first adjustment bolt is threaded on rear side of bottom plate, the front end of the first adjustment bolt and the rear end thereof of expansion plate connect, the left or right side of expansion plate is threaded with second adjustment bolt, the left or right side rotation connection corresponding with adjustment block of one end of second adjustment bolt.It has the beneficial effect that, abrasive machine height is adjustable, and Field Turning is convenient；Abrasive machine is all around moved and is positioned, and turning operation is more convenient.

Description

A kind of generator excitation slip ring field turning device

Technical field

The utility model belongs to generator maintenance field, and in particular to a kind of generator excitation slip ring field turning device.

Background technique

In thermal power plant, slip ring, carbon brush are the important components of generator excited system, and being that generator is dynamic and static connects The equipment of touching and positive energy exchange.

Occur shaking in operation and spark phenomenon, seriously jeopardizes the safe operation of generator.The field power supply of generator Enter in the rotor of generator after being transferred by slip ring, so that generator be made to establish magnetizing field, makes electrical power generators.It is sliding Ring can cause slip ring ellipse and surface thick due to many reasons such as carbon brush quality, pressure spring pressure, load condition, changes of magnetic field Rugosity increases, and vibrates carbon brush, carbon brush is burned with anger, and collector ring heating scaling loss, generator can not add on-load, directly affects the warp of power plant Ji benefit.When the case where oval and roughness increases occurs in slip ring, (slip ring surface irregularity degree is less than under normal circumstances 0.5mm, ovality will carry out turning less than 0.2 mm, beyond this numerical value in time), it is necessary to measurement vehicle comprehensively is carried out to the machine slip ring It cuts, guarantees unit safety operation.

Routine turning maintaining method in the prior art is that generator outage removes slip ring and repairs, time and effort consuming and It is at high cost；CN205166551U discloses a kind of turbine LP rotors excitation slip ring field turning device, solves to a certain extent Determined the problems of the prior art, but its there are still following deficiencies: the height of abrasive machine is unable to flexible modulation, therefore while repairing needs It finds the pedestal of proper height and fixes pedestal 1 on the base, it is more troublesome；Adjustment plate and the adjustment mode of advance and retreat knife rest are not It indicates, those skilled in the art do not know how efficiently to realize moving left and right and positioning and how to realize advance and retreat for adjustment plate The back-and-forth motion and positioning of knife rest.

Utility model content

The utility model provides a kind of generator excitation slip ring field turning device, it is intended to overcome abrasive machine in the prior art Height is unable to flexible modulation and adjustment plate, the movement of advance and retreat knife rest and positioning method do not know inconvenient technical problem.

The technical solution that the utility model solves above-mentioned technical problem is as follows: a kind of generator excitation slip ring Field Turning dress It sets comprising pedestal, elevating mechanism, bottom plate, expansion plate, adjustment block, advance and retreat knife rest and abrasive machine, the pedestal are horizontally placed at ground On face and its top is fixedly installed with elevating mechanism, and the telescopic end of the elevating mechanism is fixedly connected simultaneously with horizontally disposed bottom plate The bottom plate can be driven to go up and down in the vertical direction, the bottom plate is packed into equipped with what is stretched along the longitudinal direction for the expansion plate The first mounting groove, the upper surface of the expansion plate is equipped with the second installation that stretching, extension in left-right direction is packed into for the adjustment block One end of slot, the advance and retreat knife rest is fixedly connected with the upper surface of the adjustment block, and the other end of the advance and retreat knife rest is fixed to be connected Be connected to the abrasive machine, be threaded with the first adjustment bolt on rear side of the bottom plate, the front end of the first adjustment bolt with The rear end thereof of the expansion plate connects, and the first adjustment bolt described in turn can drive the expansion plate in first mounting groove It moves forward internally or moves back, the left or right side of the expansion plate is threaded with second adjustment bolt, the second adjustment bolt One end left or right side corresponding with the adjustment block is rotatablely connected, and second adjustment bolt described in turn can drive the adjustment block It moves to left or moves to right in second mounting groove, the left or right side of the bottom plate, which is equipped with, to be extended along the longitudinal direction convenient for adjusting institute State the waist hole of second adjustment bolt.

Based on the above technical solution, the utility model can also do following improvement.

Further, the elevating mechanism is Aerial Work LT.

Beneficial effect using above-mentioned further scheme is that Aerial Work LT is common elevating mechanism, structure letter List, operation and maintenance are convenient, while cost is relatively low.

Further, the pedestal is cylindric or cube-shaped iron block or stone.

Beneficial effect using above-mentioned further scheme is the occupied area of cylindric or cube-shaped iron block or stone Smaller, convenient for placing, while its weight is very big, is conducive to bear reaction force when turning, guarantee device stablize do not shake or It is mobile.

Further, the length of the abrasive machine and the grinding wheel being mounted in its shaft in the axial direction is 200-300cm.

Beneficial effect using above-mentioned further scheme is that the setting of abrasive machine size is smaller, convenient in narrow maintenance Field Turning maintenance is carried out in space.

Further, it is threaded with a pair of of compression positioning spiral shell respectively on the first adjustment bolt and second adjustment bolt It is female.

Beneficial effect using above-mentioned further scheme is that each adjustment bolt is located at the two sides for the screw hole that it is passed through Setting is a pair of to compress location nut, when adjusting expansion plate or adjustment block to suitable position, screws and compresses location nut accordingly Expansion plate or adjustment block can be positioned.

The beneficial effects of the utility model are: by setting elevating mechanism, flexibly adjustment bottom plate and can install thereon The height of each component (including abrasive machine) is repaired, more convenient reality with adapting to the turning to turning slip ring in different height With；Abrasive machine can be easily realized by the setting of bottom plate, expansion plate, adjustment block, the first adjustment bolt and second adjustment bolt Adjustment and positioning all around are moved to suitable position in order to adjust abrasive machine to carry out better turning to slip ring.

Detailed description of the invention

Fig. 1 is a kind of schematic front view of generator excitation slip ring field turning device provided by the utility model；

Fig. 2 is a kind of schematic top plan view of generator excitation slip ring field turning device provided by the utility model.

In attached drawing, parts list represented by the reference numerals are as follows:

1. pedestal；2. elevating mechanism；3. bottom plate；4. expansion plate；5. adjustment block；6. advance and retreat knife rest；7. abrasive machine；8. first Mounting groove；9. the second mounting groove；10. the first adjustment bolt；11. second adjustment bolt；12. waist hole；13. compressing location nut.

Specific embodiment

The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical It is novel, it is not intended to limit the scope of the utility model.

As illustrated in fig. 1 and 2, the utility model provides a kind of generator excitation slip ring field turning device comprising pedestal 1, elevating mechanism 2, bottom plate 3, expansion plate 4, adjustment block 5, advance and retreat knife rest 6 and abrasive machine 7, the pedestal 1 are horizontally placed on ground And its top is fixedly installed with elevating mechanism 2, the telescopic end of the elevating mechanism 2 is fixedly connected simultaneously with horizontally disposed bottom plate 3 The bottom plate 3 can be driven to go up and down in the vertical direction, the bottom plate 3 be equipped with stretch along the longitudinal direction for the expansion plate 4 The first mounting groove 8 being packed into, the upper surface of the expansion plate 4 are equipped with that stretching, extension in left-right direction is packed into for the adjustment block 5 Two mounting grooves 9, one end of the advance and retreat knife rest 6 are fixedly connected with the upper surface of the adjustment block 5, the advance and retreat knife rest 6 it is another One end is fixedly connected with the abrasive machine 7, and the rear side of the bottom plate 3 is threaded with the first adjustment bolt 10, and described first adjusts The front end of whole bolt 10 is connect with the rear end thereof of the expansion plate 4, and the first adjustment bolt 10 described in turn can drive described stretch Contracting plate 4 is moved forward internally or is moved back in first mounting groove 8, and the left or right side of the expansion plate 4 is threaded with second adjustment Bolt 11, one end of the second adjustment bolt 11 left or right side corresponding with the adjustment block 5 is rotatablely connected, described in turn Second adjustment bolt 11 can drive the adjustment block 5 to move to left or move to right in second mounting groove 9, the left side of the bottom plate 3 Or right side is equipped with and extends along the longitudinal direction convenient for adjusting the waist hole 12 of the second adjustment bolt 11.

Further, the elevating mechanism 2 is Aerial Work LT.

Further, the pedestal 1 is cylindric or cube-shaped iron block or stone.

Further, the length of the abrasive machine 7 and the grinding wheel being mounted in its shaft in the axial direction is 200-300cm.

Further, it is threaded with a pair of of compression positioning respectively on the first adjustment bolt 10 and second adjustment bolt 11 Nut 13.

It should be noted that as shown in Fig. 2, turning space narrow when in order to adapt to Field Turning, can will stretch Front end (i.e. abrasive machine institute at one end) the setting wedgewise of plate, in order to it is flexible when not by left and right sides restriction of obstacle, by sand Turbine send to turning station and abuts with slip ring.

It should be noted that the first adjustment bolt and second adjustment bolt connect with the rotation of corresponding expansion plate, adjustment block The concrete mode for connecing mode can be such as the mode that reflects in Fig. 2, i.e. the end of adjustment bolt is fixedly connected with ball, expansion plate and tune Monolith is equipped with the circular groove being caught in for ball, and ball is free to rotate in circular groove.

The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model Within the scope of shield.

Claims (5)

1. a kind of generator excitation slip ring field turning device, which is characterized in that including pedestal (1), elevating mechanism (2), bottom plate (3), expansion plate (4), adjustment block (5), advance and retreat knife rest (6) and abrasive machine (7), the pedestal (1) is horizontally placed on ground and it Top is fixedly installed with elevating mechanism (2), and the telescopic end of the elevating mechanism (2) is fixedly connected with horizontally disposed bottom plate (3) And the bottom plate (3) can be driven to go up and down in the vertical direction, the bottom plate (3), which is equipped with described in the confession stretched along the longitudinal direction, stretches The first mounting groove (8) that contracting plate (4) is packed into, the upper surface of the expansion plate (4) are equipped with stretching, extension in left-right direction and supply the adjustment The second mounting groove (9) that block (5) is packed into, the fixed company in one end of the advance and retreat knife rest (6) and the upper surface of the adjustment block (5) It connects, the other end of the advance and retreat knife rest (6) is fixedly connected with the abrasive machine (7), is threaded on rear side of the bottom plate (3) The front end of the first adjustment bolt (10), the first adjustment bolt (10) is connect with the rear end thereof of the expansion plate (4), turn The first adjustment bolt (10) can drive the expansion plate (4) to move forward internally or move back in first mounting groove (8), described to stretch The left or right side of contracting plate (4) is threaded with second adjustment bolt (11), one end of the second adjustment bolt (11) and institute The corresponding left or right side rotation connection of adjustment block (5) is stated, second adjustment bolt (11) described in turn can drive the adjustment block (5) it moves to left or moves to right in second mounting groove (9), the left or right side of the bottom plate (3) is equipped with to be extended along the longitudinal direction Convenient for adjusting the waist hole (12) of the second adjustment bolt (11).

2. a kind of generator excitation slip ring field turning device according to claim 1, which is characterized in that the elevator Structure (2) is Aerial Work LT.

3. a kind of generator excitation slip ring field turning device according to claim 1, which is characterized in that the pedestal It (1) is cylindric or cube-shaped iron block or stone.

4. a kind of generator excitation slip ring field turning device according to claim 1, which is characterized in that the abrasive machine (7) and the grinding wheel that is mounted in its shaft length in the axial direction is 200-300cm.

5. a kind of generator excitation slip ring field turning device according to any one of claims 1 to 4, which is characterized in that A pair of of compression location nut (13) is threaded on the first adjustment bolt (10) and second adjustment bolt (11) respectively.