CN211916416U

CN211916416U - Special grinder for slip ring of generator

Info

Publication number: CN211916416U
Application number: CN202020651788.3U
Authority: CN
Inventors: 居斌; 刘江涛; 王震; 时社利; 周新强; 田军; 张豫良; 李玉平; 李茂生; 王瑞; 李卫卫; 吴玉娇; 尚胜利
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2020-11-13
Anticipated expiration: 2030-04-26

Abstract

The utility model provides a special machine that grinds of generator sliding ring, including box, multistage extension bar and abrasive band machine, the inside adjusting device who is used for adjusting multistage extension bar position that is equipped with of box, abrasive band machine passes through multistage extension bar and is connected with the adjusting device in the box, and multistage extension bar comprises sleeve and threaded rod, and abrasive band machine is connected to telescopic one end, and the telescopic other end passes through the through hole of box lateral wall and stretches into inside the box and with threaded rod threaded connection, and telescopic one end is kept away from to the threaded rod and stretches out the box from another through hole, adjusting device includes upper and lower guiding mechanism and front and back guiding mechanism, and one side of upper and lower adjusting hand wheel is equipped with the connecting axle, is equipped with the gear on the connecting axle. The utility model discloses the position of polishing of adjustable abrasive band machine when polishing the sliding ring, under the prerequisite of guaranteeing good laminating effect, the sliding ring surface of electronic polishing makes when having improved the effect of polishing polish more even.

Description

Special grinder for slip ring of generator

Technical Field

The utility model relates to an electric power system generator overhauls technical field, specific machine is ground in generator sliding ring special use that says so.

Background

In the power plant, after the generating set sliding ring is operated for a period of time, the contact part of the sliding ring and the carbon brush can be gradually sunken, the surface is uneven when seen from the side, the sliding ring or the groove needs to be polished again, more burrs can appear on the surface of the sliding ring after the groove, after the carbon brush is installed, like the abrasive paper polishing carbon brush, one carbon brush is polished to be scrapped basically for 1 minute, and therefore, after the sliding ring groove is formed, the surface of the sliding ring needs to be polished. In contrast, manual polishing is generally adopted in the industry, and sand paper is used for point polishing, so that the efficiency is extremely low, and the polishing effect is poor.

The prior method has the following problems in the polishing process: 1) the polishing effect is poor and uneven, and the surface of the sliding ring is uneven after polishing; 2) when polishing, the generator is stopped, only a small part of the sliding ring can be polished at one time, and the generator turning motor is also required to be accurately controlled, so that the sliding ring surface can be conveniently polished, manpower and material resources are wasted, and a large amount of time is spent.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the sliding ring polishing effect is inhomogeneous and the efficiency of polishing is low the utility model provides a special machine that grinds of generator sliding ring should grind the machine and pass through the external abrasive band machine of telescopic multistage extension bar to the position of polishing of adjustable abrasive band machine when polishing the sliding ring, under the prerequisite of guaranteeing good laminating effect, the sliding ring surface of electronically polishing makes when having improved the effect of polishing polish and polish more evenly.

In order to solve the technical problem, the utility model discloses a concrete scheme does: the multifunctional sand belt sander comprises a box body, a multi-section extension bar and a sand belt sander, wherein an adjusting device used for adjusting the position of the multi-section extension bar is arranged in the box body, the sand belt sander is connected with the adjusting device in the box body through the multi-section extension bar, corresponding through holes are formed in two side walls of the box body, the multi-section extension bar is composed of a sleeve and a threaded rod, one end of the sleeve is connected with the sand belt sander, the other end of the sleeve extends into the box body through the through hole in the side wall of the box body and is in threaded connection with the threaded rod;

the adjusting device comprises an up-down adjusting mechanism and a front-back adjusting mechanism, the up-down adjusting mechanism comprises a rack bar which is arranged perpendicular to the threaded bar, the front and back adjusting mechanism comprises a front and back adjusting hand wheel and a reinforcing block, the reinforcing block is fixed on the side wall of the rack rod, an installation channel is arranged in the reinforcing block, a sleeve and a threaded rod are arranged in the installation channel in a penetrating manner, a chute is arranged on the installation channel, a sliding block capable of sliding along the chute is arranged on the outer wall of the sleeve, and the front and back adjusting hand wheel is arranged at one end of the threaded rod extending out of the box body;

the abrasive belt machine comprises a support arranged at one end, far away from a threaded rod, of a sleeve, a positioning wheel is arranged on a barrel, located outside a box body, of the sleeve, the support is connected with the positioning wheel through a spring, the spring is sleeved on the sleeve, an abrasive belt is connected with a driven wheel and a driving wheel, located at the upper end and the lower end of the support, in the support, and the driving wheel is connected with a driving motor arranged on the support.

As a further optimization of the above technical solution: the both ends of rack pole all block and establish in being located the pole cap that is equipped with on the box inner wall.

As a further optimization of the above technical solution: the box is internally provided with a cable reel which can provide power for the abrasive belt machine, and the cable reel is electrically connected with a foot switch arranged outside the box.

As a further optimization of the above technical solution: four corners of the bottom of the box body are provided with universal wheels.

As a further optimization of the above technical solution: the vertical adjusting hand wheel is rotatably arranged on the outer wall of the box body.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1) the utility model discloses an abrasive band machine is connected with adjusting device through multistage extension bar, adjusting device divide into upper and lower guiding mechanism and front and back guiding mechanism, multistage extension bar body is threaded rod and telescopic connected mode, and cooperate front and back adjustment hand wheel adjustment abrasive band machine for the slip ring front and back position, upper and lower guiding mechanism includes upper and lower adjusting hand wheel, gear, the rack bar, drive reciprocating of multistage extension bar through the rack bar, adjustable abrasive band machine is for the polishing position of four directions about the slip ring in front and back, and through the electronic sliding ring surface that polishes of abrasive band machine, make when having improved the polishing effect polish more evenly, abrasive band machine and sliding ring contact more closely;

2) the spring is connected with the belt sander and fixed through the positioning wheel, so that the stress of the spring acts on the belt sander, and the laminating degree of the belt sander and the slip ring is further ensured;

3) the utility model discloses a multistage formula extension bar is the connected mode of sleeve and threaded rod, and the sleeve part is collapsible to be accomodate, is guaranteeing under the prerequisite of rigidity, makes whole smaller and more exquisite.

Drawings

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

FIG. 2 is a side view of the vertical adjustment mechanism of the present invention;

fig. 3 is a side view of the cable reel of the present invention;

fig. 4 is a main view of the belt sander of the present invention;

FIG. 5 is a side view of the belt sander of the present invention;

FIG. 6 is a schematic view of the structure of the reinforcing block of the present invention;

the labels in the figure are: 1. the device comprises a box body, 2, a multi-section extension bar, 201, a sleeve, 202, a threaded rod, 203, a sliding block, 3, an abrasive belt machine, 301, a support, 302, a driving wheel, 303, a driven wheel, 304, an abrasive belt, 305, a driving motor, 4, an up-down adjusting mechanism, 401, a rack bar, 402, an up-down adjusting hand wheel, 403, a reinforcing column, 404, a connecting shaft, 405, a gear, 406, a bar cap, 5, a front-back adjusting mechanism, 501, a front-back adjusting hand wheel, 502, a reinforcing block, 503, a sliding groove, 6, a positioning wheel, 7, a spring, 8, a cable tray, 9, a foot switch, 10, a universal wheel, 11 and a sliding.

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 the attached drawings, a grinder special for a slip ring of a generator comprises a box body 1, a multi-section extension bar 2 and an abrasive belt machine 3, wherein an adjusting device for adjusting the position of the multi-section extension bar 2 is arranged in the box body 1, the abrasive belt machine 3 is connected with the adjusting device in the box body 1 through the multi-section extension bar 2, two side walls of the box body 1 are provided with corresponding through holes, the multi-section extension bar 2 comprises a sleeve 201 and a threaded rod 202, one end of the sleeve 201 is connected with the abrasive belt machine 3, the other end of the sleeve 201 extends into the box body 1 through the through hole in the side wall of the box body 1 and is in threaded connection with the threaded rod 202, one end of the threaded rod 202, which is far away from the sleeve 201, extends out of the box body 1 from the other through hole, the sleeve 201 adopts a three-section design and can be folded and accommodated on the box, the up-down adjusting mechanism 4 comprises a rack bar 401 arranged perpendicular to the threaded bar 202, an up-down adjusting hand wheel 402 positioned on the outer wall of the box body 1 and a reinforcing column 403 arranged in the box body 1, the up-down adjusting hand wheel 402 is attached on the outer wall of the box body 1, one side of the up-down adjusting hand wheel 402 is provided with a connecting shaft 404, the connecting shaft 404 is provided with a gear 405, the gear 405 is meshed with the toothed end of the lower part of the rack bar 401, one end of the connecting shaft 404 is connected with the up-down adjusting hand wheel 402, the other end of the connecting shaft 404 is connected and fixed in a bearing on the reinforcing column 403, the reinforcing column 403 is fixed at the bottom of the box body 1 and is arranged parallel to the rack bar 401, two side walls of the upper rod end of the rack bar 401 are provided with interfaces, the two end ends of the upper part and the lower part of the rack bar 401 are clamped in a, the reinforcing block 502 is internally provided with an installation channel which is communicated with an interface of the upper rod end of the rack rod 401, the threaded rod 202 and the sleeve 201 are arranged in the installation channel, one end of the threaded rod 202, which extends out of the box body 1, is connected with the front and back adjusting hand wheel 501, the part of the sleeve 201, which is positioned in the box body, is arranged in the installation channel, the outer wall of the sleeve 201 is provided with a sliding block 203, the installation channel is provided with a sliding groove 503, and the sliding block 203 can slide in the sliding groove 503, so that the sleeve 201 can only move along the length direction.

The abrasive belt machine 3 comprises a support 301 arranged at one end, far away from the threaded rod 202, of a sleeve 201, a positioning wheel 6 is arranged on a barrel, located outside the box body 1, of the sleeve 201, the support 301 and the positioning wheel 6 are connected through a spring 7 sleeved on the sleeve 201, the sleeve 201 and the support 301 are fixed through bolts, an abrasive belt 304 is connected to a driving wheel 302 and a driven wheel 303 which are located at the upper end and the lower end of the support 301 in the support 301, the driving wheel 302 is connected with a driving motor 305 arranged on the support 301, the abrasive belt 304 is in a semi-arc belt shape, the abrasive belt 304 is attached to a sliding ring 11, the sliding ring 11 is polished under the driving of the driving motor 305, the abrasive belt 304 can adopt coarse sand or fine sand with the width of 60mm, the positioning wheel 6 is used for fixing the position of the spring 7, the stress of the spring 7.

Still be equipped with cable reel 8 in the box 1, the axis of rotation of cable reel 8 stretches out box 1 to be equipped with the handle, the accessible rotates the handle and receive and releases the cable, the cable is connected driving motor 305 and the outside foot switch 9 of box 1 respectively.

Four corners of the bottom of the box body 1 are provided with universal wheels 10, and the universal wheels 10 can have a self-locking function.

The up-and-down adjustment hand wheel 402 is rotated to drive the rack bar 401 to move up and down, the rack bar 401 and the reinforcing block 406 are driven to move up and down to drive the multi-section reinforcing rod 2 to move, the abrasive belt machine 3 is finally moved up and down, the threaded rod 202 is driven to rotate by rotating the front-and-back adjustment hand wheel 501, the sleeve 201 is further moved back and forth relative to the sliding ring 11, and the abrasive belt machine 3 is finally moved back and forth.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The special grinder for the generator slip ring is characterized in that: the multifunctional sand belt sander comprises a box body (1), a multi-section extension bar (2) and sand belt machines (3), wherein an adjusting device used for adjusting the position of the multi-section extension bar (2) is arranged inside the box body (1), the sand belt machines (3) are connected with the adjusting device inside the box body (1) through the multi-section extension bar (2), two side walls of the box body (1) are provided with corresponding through holes, the multi-section extension bar (2) consists of a sleeve (201) and a threaded rod (202), one end of the sleeve (201) is connected with the sand belt machines (3), the other end of the sleeve (201) extends into the box body (1) through the through hole in the side wall of the box body (1) and is in threaded connection with the threaded rod (202), and one end, far away from the sleeve (201), of the;

the adjusting device comprises an upper adjusting mechanism (4) and a lower adjusting mechanism (5), the upper adjusting mechanism (4) and the lower adjusting mechanism (5) comprise rack rods (401) which are perpendicular to the threaded rods (202), upper and lower adjusting hand wheels (402) which are arranged on the outer wall of the box body (1) and reinforcing columns (403) which are arranged in the box body (1), one side of each upper adjusting hand wheel (402) and one side of each lower adjusting hand wheel (402) are provided with a connecting shaft (404), gears (405) are arranged on the connecting shafts (404), the gears (405) are meshed with the toothed ends of the lower parts of the rack rods (401), one end of each connecting shaft (404) is connected with the upper adjusting hand wheel (402), the other end of each connecting shaft (404) is connected with a bearing arranged on each reinforcing column (403), two side walls of the rod ends of the upper part of each rack rod (401) are provided with interfaces through which the, the reinforcing block (502) is fixed on the side wall of the rack rod (401), an installation channel is arranged in the reinforcing block (502), the sleeve (201) and the threaded rod (202) penetrate through the installation channel, a sliding groove (503) is formed in the installation channel, a sliding block (203) capable of sliding along the sliding groove (503) is arranged on the outer wall of the sleeve (201), and the front and back adjusting hand wheel (501) is arranged at one end, extending out of the box body (1), of the threaded rod (202);

the belt sander (3) comprises a support (301) which is arranged on a sleeve (201) and far away from one end of a threaded rod (202), a positioning wheel (6) is arranged on a barrel body of the sleeve (201) which is located outside a box body (1), the support (301) and the positioning wheel (6) are connected through a spring (7) which is sleeved on the sleeve (201), an abrasive belt (304) is connected in the support (301) through a driven wheel (303) and a driving wheel (302) which are located at the upper end and the lower end of the support (301), and the driving wheel (302) is connected with a driving motor (305) arranged on the support (301).

2. The special grinder for the generator slip ring as claimed in claim 1, wherein: the two ends of the rack rod (401) are clamped in rod caps (406) arranged on the inner wall of the box body (1).

3. The special grinder for the generator slip ring as claimed in claim 1, wherein: the belt sander is characterized in that a cable reel (8) capable of providing power for the belt sander (3) is arranged in the box body (1), and the cable reel (8) is electrically connected with a foot switch (9) arranged outside the box body (1).

4. The special grinder for the generator slip ring as claimed in claim 1, wherein: four corners of the bottom of the box body (1) are provided with universal wheels (10).

5. The special grinder for the generator slip ring as claimed in claim 1, wherein: the up-and-down adjusting hand wheel (402) is rotationally arranged on the outer wall of the box body (1).