CN217750971U

CN217750971U - Generator runner plate grinding equipment

Info

Publication number: CN217750971U
Application number: CN202221571390.4U
Authority: CN
Inventors: 王石林; 张军; 梁伟宏; 陈国勤; 陈明辉
Original assignee: Sinohydro Bureau 14 Co Ltd
Current assignee: Sinohydro Bureau 14 Co Ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-11-08
Anticipated expiration: 2032-06-22

Abstract

The utility model discloses a generator mirror plate grinding device. The method mainly comprises the following steps: equipment body, supporter, crossover sub, work arm, abrasive disc, bolt I, bolt II, grind thing, staple bolt, combination bolt, the supporter is connected with this body of equipment, crossover sub passes through II fixed connection of bolt with equipment body and work arm respectively, the abrasive disc passes through I fixed connection of bolt with the work arm, the parcel has the grinding thing on the abrasive disc. The utility model discloses a generator mirror plate grinding device simple structure, convenient operation, the mirror plate grinds smoothly, practices thrift the cost, can use widely on a large scale.

Description

Generator runner plate grinding equipment

Technical Field

The utility model belongs to the technical field of hydroelectric set installation, concretely relates to generator mirror plate grinding device.

Background

The generator mirror plate is the core component of hydroelectric set, can lead to the runner plate scratch phenomenon to appear because of impurity in the oil in long-term operation, if do not handle or change the runner plate, can cause runner plate and thrust tile wearing and tearing aggravation in the later stage operation, influence the steady operation of unit to make the major repair cycle of unit shorten, lead to power station economic benefits to reduce and fortune dimension cost increase.

Disclosure of Invention

The to-be-solved technical problem of the utility model is that the generator mirror plate can lead to the mirror plate face fish tail phenomenon to appear because of impurity in the oil in long-term operation, if not handle or change the mirror plate, can cause later stage in service mirror plate and thrust tile wearing and tearing aggravation, influence the steady operation of unit to make the overhaul period of unit shorten.

In order to solve the technical problem, the utility model provides a generator mirror plate grinding device, equipment body, supporter, crossover sub, work arm, abrasive disc, bolt I, bolt II, grinding thing, the equipment body includes: basic crown plate, waist hole, pole setting, cylinder A, square head screw rod, nut, horizontal pole, motor, workstation, square key, it has four waist holes to open on the basic crown plate, open threaded through-hole and be connected with the pole setting at cylinder A center, four pole setting and four horizontal poles are behind the H shape fixed connection again with basic crown plate fixed connection, it has a plurality of different specification through-holes to open on the workstation respectively with motor, four square head screw rods and eight nut fixed connection, the square key is connected with motor and crossover sub one end respectively, four supporter and workstation fixed connection, the crossover sub other end passes through II fixed connection of bolt with the work arm, the abrasive disc passes through I fixed connection of bolt with the work arm, the parcel has the grinding object on the abrasive disc.

Further, the support body includes: steel pipe, square steel plate, triangle steel sheet, cylinder B, lock nut, bolt, the bolt passes lock nut and is connected with cylinder B one end, the cylinder B other end and steel pipe one end fixed connection, the steel pipe other end and the one side fixed connection of square steel sheet, the another side and the triangle steel sheet fixed connection of square steel sheet.

Further, the crossover joint includes: the pile comprises a circular plate A, stress piles and a cylinder C, wherein the cylinder C is provided with a center hole and a key groove, the center hole is connected with the key groove, the cylinder C is fixedly connected with one surface of the circular plate A, and the stress piles are fixedly connected with the other surface of the circular plate A.

Furthermore, the working arm is formed by connecting channel steel and a steel plate in three sections, a through hole III and two through holes IV are formed in the two ends of the working arm respectively and are located on the two sides of the through hole III respectively, a through hole I and two through holes II are formed in the center of the working arm, the two through holes II are located on the two sides of the through hole I respectively, and the two lug plates are fixedly connected with the two ends of the working arm respectively.

Further, the abrasive disc includes: the circular plate B is fixedly connected with the circular ring B, the circular ring B is fixedly connected with the circular ring B, the cylindrical boss is fixedly connected with one end of the six rib plates, the cylindrical boss is provided with two threaded holes which are located on two sides of the joint of the cylindrical boss and the cylindrical D, the cylindrical boss is fixedly connected with one end of the six rib plates, the inner side of the circular ring is fixedly connected with the other end of the six rib plates, and the circular plate B is fixedly connected with the circular ring.

Further, a screw hole is formed in the shaft end of the motor.

Furthermore, the grinding object consists of felt and flannelette, the felt is wrapped by the flannelette, and the felt wraps a circular ring on the grinding disc and is fixed and fixed firmly through a hoop and a combined bolt.

The utility model has the advantages that: the utility model discloses a generator mirror plate grinding device passes through converter control motor rotational speed, and it is rotatory that the motor passes through crossover sub drive work arm, and the work arm drives the abrasive disc and is rotary motion, and the abrasive disc only receives circumferential force with the work arm, and the abrasive disc axial is free motion, guarantees that the abrasive disc is hugged closely with the mirror plate mirror surface all the time, and self rotary motion is still being done to the abrasive disc when doing circumferential motion.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a mirror plate grinding apparatus for a generator according to the present invention.

Fig. 2 is a schematic structural diagram of an apparatus body of a mirror plate grinding apparatus for a generator according to the present invention.

Fig. 3 is a schematic structural diagram of a support body of a mirror plate grinding apparatus of a generator according to the present invention.

Fig. 4 is a schematic structural diagram of an adapter of a mirror plate grinding apparatus for a generator according to the present invention.

Fig. 5 is a schematic structural diagram of a working arm of a mirror plate grinding apparatus for a generator according to the present invention.

Fig. 6 is a schematic structural diagram of a grinding plate of a mirror plate grinding apparatus for a generator according to the present invention.

Fig. 7 is a schematic view of a state of use of the mirror plate grinding apparatus of the present invention.

In the figure: 1-equipment body, 11-base ring plate, 12-kidney hole, 13-vertical rod, 14 cylinder A, 15-square head screw rod, 16-nut, 17-cross rod, 18-motor, 19-workbench, 20-square key, 2-support body, 21-steel pipe, 22-square steel plate, 23-triangular steel plate, 24-cylinder B,25 locking nut, 26-bolt, 3-conversion joint, 31-disc A, 32-stress pile, 33-cylinder C, 34-center hole, 35-key groove, 4-working arm, 41-through hole I, 42-through hole II, 43-lug plate, 44-through hole III, 45-through hole IV, 5-grinding disc, 51-disc B, 52-ring, 53-cylinder boss, 54-cylinder D, 55-rib plate, 6-bolt I, 7-bolt II, 8-grinding object, 9-hoop, 10-combination bolt, 100-steel buttress and 101-mirror plate.

Detailed Description

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "welded", "connected", and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically coupled, may be directly coupled, or may be indirectly coupled through an intermediary. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 6, a mirror plate grinding apparatus for a generator comprises: equipment body 1, supporter 2, crossover sub 3, work arm 4, abrasive disc 5, bolt I6, bolt II 7, grinding thing 8, equipment body 1 includes: basic crown plate 11, kidney hole 12, pole setting 13, cylinder A14, square head screw rod 15, nut 16, horizontal pole 17, motor 18, workstation 19, square key 20, it has four kidney holes 12 to open on the basic crown plate 11, cylinder A14 center is opened threaded through-hole and is connected four with pole setting 13 after pole setting 13 and four horizontal poles 17 are H shape fixed connection again with basic crown plate 11 fixed connection, it has a plurality of different specification through-holes respectively with motor 18, four square head screw rods 15 and eight nut 16 fixed connection to open on the workstation 19, square key 20 is connected four respectively with

motor

18 and 3 one end of

crossover sub

2 and 19 fixed connection of workstation, the crossover sub 3 other end passes through bolt II 7 fixed connection with work arm 4, abrasive disc 5 passes through bolt I6 fixed connection with work arm 4, the parcel has abrasive 8 on the abrasive disc 5.

Preferably, the support body 2 comprises: steel pipe 21, square steel plate 22, triangle steel plate 23, cylinder B24, lock nut 25, bolt 26 passes lock nut 25 and is connected with cylinder B24 one end, the cylinder B24 other end and steel pipe 21 one end fixed connection, the steel pipe 21 other end and the one side fixed connection of square steel plate 22, the another side and the triangle steel plate 23 fixed connection of square steel plate 22.

Preferably, the adapter 3 comprises: disc A31, atress stake 32, cylinder C33, disc A31 central point puts and opens there is the through-hole, cylinder C33 is opened and is had centre bore 34 and keyway 35, centre bore 34 and keyway 35 link to each other, cylinder C33 and disc A31 one side central point puts fixed connection, two atress stake 32 and disc A31 another side fixed connection.

Preferably, the working arm 4 is formed by connecting channel steel and a steel plate in three sections, a through hole III 44 and two through holes IV 45 are respectively formed in two ends of the working arm 4, the two through holes IV 45 are respectively located on two sides of the through hole III 44, a through hole I41 and two through holes II 42 are formed in the center of the working arm 4, the two through holes II 42 are respectively located on two sides of the through hole I41, and the two lug plates 43 are respectively fixedly connected with two ends of the working arm 4.

Preferably, the grinding disc 5 comprises: the disc B51, the circular ring 52, the cylindrical boss 53, the cylinder D54 and the rib plates 55, wherein the cylindrical boss 53 is fixedly connected with the cylinder D54, two threaded holes 56 are formed in the cylindrical boss 53 and are located on two sides of the joint of the cylindrical boss 53 and the cylinder D54, the cylindrical boss 53 is fixedly connected with one end of each of six rib plates 55, the inner side of the circular ring 52 is fixedly connected with the other end of each of the six rib plates 55, and the disc B51 is fixedly connected with the circular ring 52.

Preferably, the shaft end of the motor 18 is provided with a screw hole.

More preferably, the grinding object 8 (5 mm thick) is composed of felt and flannelette, the flannelette wraps the felt, the felt wraps the circular ring 52 on the grinding disc and is fixed and fixed firmly through the anchor ear 9 and the assembling bolt 10.

More preferably, the through hole at the center of the disc a31 has the same size as the through hole i 41.

Before use, the equipment body 1 is fixed with the ground through expansion bolts, and then four steel buttresses 100 are uniformly distributed on the periphery of the equipment body 1; then, the mirror plate 101 is lifted upwards to the steel buttress 100, the center of the mirror plate 101 is adjusted to be concentric with the equipment body 1, and the upper plane of the workbench 19 and the mirror surface of the mirror plate 101 are adjusted to be on the same plane through a square head screw 15 and a nut 16; then adjusting bolts 26 of the four supporting bodies 2 to symmetrically push against the inner sides of the mirror plates 101 and locking the bolts with locking nuts 25; after the adjustment and support of the equipment body 1 are completed, the working arm 4 and the grinding disc 5 are assembled together through the bolt 6, the working arm 4 and the grinding disc 5 are hoisted and assembled on the adapter 3 through the lug plate 43 on the working arm 4, and then the working arm 4 and the adapter 3 are fixed with the shaft end of the motor 18 through the bolt II 7.

When the grinding wheel is used, firstly, grinding paste and turbine oil are coated on the mirror surface of the mirror plate 101, then the grinding disc 5 and the working arm 4 remove the bolt 6, the grinding disc 5 is made to fall on the mirror surface of the mirror plate 101, then, grinding is carried out after a power supply is started, and the speed of grinding is controlled by a frequency converter of the motor 18; the polishing paste is coarse, medium, and fine, and the coarse polishing paste is used when polishing is started, the model number of the polishing paste is changed during polishing according to actual conditions, and the polishing time of the mirror plate 101 is determined according to the mirror polishing quality of the mirror plate 101.

Although the embodiments of the present invention have been described with reference to the accompanying drawings, the scope of the present invention is not limited thereto. It should be understood by those skilled in the art that various non-inventive changes and substitutions may be made without departing from the scope of the invention as defined by the appended claims.

Claims

1. A generator mirror plate grinding apparatus, comprising: equipment body (1), supporter (2), crossover sub (3), work arm (4), abrasive disc (5), bolt I (6), bolt II (7), grind thing (8), equipment body (1) includes: basic crown plate (11), kidney hole (12), pole setting (13), cylinder A (14), square head screw rod (15), nut (16), horizontal pole (17), motor (18), workstation (19), square key (20), it has four kidney holes (12) to open on basic crown plate (11), cylinder A (14) center is opened threaded through-hole and is connected, four be connected with pole setting (13) after pole setting (13) and four horizontal pole (17) are H shape fixed connection again with basic crown plate (11) fixed connection, it has a plurality of different specification through-holes to open on workstation (19) respectively with motor (18), four square head screw rod (15) and eight nut (16) fixed connection, square key (20) are connected with motor (18) and crossover sub (3) one end respectively, four the supporter (2) and workstation (19) fixed connection, the crossover sub (3) other end passes through bolt II (7) fixed connection with work arm (4), lapping disc (5) and work arm (4) pass through fixed connection I, there is lapping disc (8) on lapping disc (5).

2. The generator mirror plate grinding apparatus of claim 1, wherein: the support body (2) comprises: steel pipe (21), square steel plate (22), triangle steel plate (23), cylinder B (24), lock nut (25), bolt (26) pass lock nut (25) and are connected with cylinder B (24) one end, the cylinder B (24) other end and steel pipe (21) one end fixed connection, the one side fixed connection of steel pipe (21) other end and square steel plate (22), the another side and triangle steel plate (23) fixed connection of square steel plate (22).

3. Generator mirror plate grinding device according to claim 1, wherein the adapter (3) comprises: disc A (31), two atress stake (32), cylinder C (33) side by side, disc A (31) central point puts and opens there is the through-hole, cylinder C (33) are opened and are had centre bore (34) and keyway (35), cylinder C (33) and the one side central point of disc A (31) put fixed connection, two the another side fixed connection of atress stake (32) and disc A (31).

4. The grinding equipment for the mirror plate of the generator according to claim 1, wherein the working arm (4) is formed by connecting a channel steel and a steel plate in three sections, two ends of the working arm (4) are respectively provided with a through hole III (44) and two through holes IV (45), the two through holes IV (45) are respectively positioned at two sides of the through hole III (44), the center of the working arm (4) is provided with a through hole I (41) and two through holes II (42), the two through holes II (42) are respectively positioned at two sides of the through hole I (41), and two ends of the working arm (4) are respectively provided with two lug plates (43).

5. Generator mirror plate grinding apparatus according to claim 1, wherein the grinding disc (5) comprises: disc B (51), ring (52), cylinder boss (53), cylinder D (54), gusset (55), cylinder boss (53) and cylinder D (54) fixed connection, cylinder boss (53) are opened and are had two screw holes (56) to be located the both sides of cylinder boss (53) and cylinder D (54) junction, cylinder boss (53) and six gusset (55) one end fixed connection, the other end fixed connection of ring (52) inboard and six gusset (55), disc B (51) and ring (52) fixed connection.

6. Generator mirror plate grinding apparatus according to claim 1, wherein the axial ends of the motors (18) are provided with screw holes.

7. The grinding equipment of generator mirror plate according to claim 1 or 5, characterized in that the grinding objects (8) are composed of felt and flannelette, the flannelette wraps the felt, the felt wraps the ring (52) on the grinding plate and is fixed and fixed firmly by the anchor ear (9) and the assembling bolt (10).