CN215031509U

CN215031509U - Carbon powder collecting and cleaning device for collecting ring of water turbine

Info

Publication number: CN215031509U
Application number: CN202121074344.9U
Authority: CN
Inventors: 张瑞芬; 沈健; 李凤滨; 范建强; 祝磊; 陈杰
Original assignee: Fujian College of Water Conservancy and Electric Power
Current assignee: Fujian College of Water Conservancy and Electric Power
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2021-12-07
Anticipated expiration: 2031-05-19

Abstract

Cleaning device is collected to carbon dust of hydraulic turbine collecting ring, it relates to generator technical field. The motor is connected with the upper frame through the connecting rod, and the output of motor is connected with the pivot, has cup jointed the adapter sleeve in the pivot, is provided with the brush on the adapter sleeve lateral wall, the nut is located the upper end of adapter sleeve and with connecting rod threaded connection, be provided with the stand in the box, has cup jointed the connecting rod in the stand, the stand runs through the case lid, box and case lid threaded connection, the upper end of case lid is provided with conformal felt, runs through on conformal felt and the case lid and is provided with a plurality of through-holes. The brush is parallel to the box cover. Reduce the pollution of carbon dust to the unit through the adsorption of conformal felt, clean the absorptive carbon dust of conformal felt through cleaning device, guarantee conformal felt's adsorption effect, store the number of times that the carbon dust reduces the staff and clear up the carbon dust through the collecting box, adopt threaded connection and cup joint between the equipment, be convenient for dismouting and change.

Description

Carbon powder collecting and cleaning device for collecting ring of water turbine

Technical Field

The utility model relates to a generator technical field, concretely relates to cleaning device is collected to carbon dust of hydraulic turbine collecting ring.

Background

The hydraulic turbine is a power machine for converting the energy of water flow into rotary mechanical energy, and belongs to the turbine machinery in fluid machinery. Collector rings are also called conducting rings, slip rings, collector rings, etc. It can be used in any electromechanical system that requires continuous rotation while transmitting power and signals from a fixed position to a rotating position. The material of the slip ring is required to have high mechanical strength, to be a good electrical conductor, and to have corrosion resistance, and to have wear resistance and stable sliding contact characteristics when making sliding contact with the brush. Carbon brushes, also called brushes, are widely used as a sliding contact in many electrical devices. The carbon brush is a device for transmitting energy or signals between a fixed part and a rotating part of a motor or a generator or other rotating machinery, is generally made of pure carbon and a coagulant, is generally square in shape, is clamped on a metal support, is tightly pressed on a rotating shaft by a spring inside, and transmits electric energy to a coil through a phase changer when the motor rotates. The carbon should be periodically maintained and replaced and cleaned.

The prior art discloses application numbers: CN201620753099.7 a carbon brush dust collection device, it installs the below with carbon brush friction surface at generator collector ring, makes the unit inside avoid receiving the pollution of carbon brush dust through the adsorption of conformal felt. The pollution of carbon brush dust to generating set has been solved effectively, and the insulation of guarantee generating set and ventiduct etc. do not receive the influence of carbon brush dust, and conformal felt adopts the block structure, and the dismouting and the change of being convenient for, but prior art is incomplete, does not set up cleaning device, and in use dust adsorbs on conformal felt's surface, produces to pile up untimely processing and can make conformal felt lose the effect of adsorbing the dust.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem mentioned in the above-mentioned background art, the utility model discloses an it sets up the collecting box and collects the carbon dust at the lower extreme of carbon brush and collecting ring to provide cleaning device is collected to the carbon dust of hydraulic turbine collecting ring to the defect and not enough of prior art, the utility model discloses a clear up the dust on collecting box surface through cleaning device simultaneously, prevent that the dust from influencing the work effect of conformal felt.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the carbon powder collecting and cleaning device for the collecting ring of the water turbine comprises a carbon brush 1, a collecting ring 2, an upper frame 3, a cleaning device 4 and a collecting box 5, wherein the cleaning device 4 and the collecting box 5 are arranged on the upper frame 3, the cleaning device 4 penetrates through the collecting box 5, the carbon brush 1 and the collecting ring 2 are arranged above the collecting box 5, the cleaning device 4 comprises a motor 6, a connecting rod 7, a rotating shaft 8, a connecting sleeve 9, a brush 10 and a nut 11, the motor 6 is connected with the upper frame 3 through the connecting rod 7, the output end of the motor 6 is connected with the rotating shaft 8, the connecting sleeve 9 is sleeved on the rotating shaft 8, the brush 10 is arranged on the side wall of the connecting sleeve 9, the nut 11 is positioned at the upper end of the connecting sleeve 9 and is in threaded connection with the connecting rod 7, the collecting box 5 comprises a box body 12, a box cover 13, a stand 14, a conformal felt 15 and a through hole 16, the stand 14 is arranged in the box body 12, the stand 14 is connected with the connecting rod 7, the upright posts 14 penetrate through the case cover 13, the case body 12 is in threaded connection with the case cover 13, the upper end of the case cover 13 is provided with a conformal felt 15, the conformal felt 15 and the case cover 13 are provided with a plurality of through holes 16 in a penetrating manner, and the brush 10 is parallel to the case cover 13.

Further, the inclination between the inner wall of the box cover 13 and the upright post 14 is 15-20 degrees.

Further, a first limiting column 17 and a second limiting block 18 are arranged on the rotating shaft 8, the first limiting column 17 is located on the side wall of the connecting rod 7, the second limiting block 18 is arranged at the lower end of the first limiting column 17, and the diameter of the second limiting block 18 is larger than that of the first limiting column 17.

Furthermore, a limiting groove 19 is formed in the inner wall of the connecting sleeve 9, and the limiting groove 19 is matched with the first limiting column 17.

Further, the bottom of the box body 12 is in threaded connection with a support rod 20, and the other end of the support rod 20 is in threaded connection with the upper frame 3.

The utility model discloses a theory of operation: the collecting box 5 is installed below the friction surfaces of the collecting ring 2 and the carbon brush 1 of the water turbine, when carbon powder is generated by the friction of the collecting ring 2 and the carbon brush 1, the conformal felt 15 located on the box cover 13 has an adsorption effect to adsorb the carbon powder, so that the inside of the water turbine is prevented from being polluted by the carbon powder, when the carbon powder adsorbed on the conformal felt 15 is accumulated to a certain degree, the motor 6 drives the connecting sleeve 9 sleeved on the rotating shaft 8 to rotate, the connecting sleeve 9 drives the brush 10 to rotate to clean the surface of the conformal felt 15, the carbon powder enters the box body 12 through the through hole 16 in the cleaning process, the conformal felt 15 recovers the adsorption effect, when the carbon powder in the collecting box 5 needs to be cleaned, a worker only needs to remove the connecting sleeve 9 and the supporting rod 20 to take out the collecting box 5 from the water turbine to clean, and the whole operation is simple and convenient.

After the technical scheme is adopted, the utility model discloses beneficial effect does: reduce the pollution of carbon dust to the unit through the adsorption of conformal felt, clean the absorptive carbon dust of conformal felt through cleaning device, guarantee conformal felt's adsorption effect, store the number of times that the carbon dust reduces the staff and clear up the carbon dust through the collecting box, adopt threaded connection and cup joint between the equipment, be convenient for dismouting and change.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural diagram of the collection box 5 and the sweeping device 4 of the present invention;

fig. 3 is a top view of the box cover 13 of the present invention.

Fig. 4 is an enlarged view at a in fig. 2.

Description of reference numerals: the cleaning device comprises a carbon brush 1, a collecting ring 2, an upper frame 3, a cleaning device 4, a collecting box 5, a motor 6, a connecting rod 7, a rotating shaft 8, a connecting sleeve 9, a brush 10, a nut 11, a box body 12, a box cover 13, an upright post 14, a conformal felt 15, a through hole 16, a first limiting post 17, a second limiting block 18, a limiting groove 19 and a supporting rod 20.

Detailed Description

Referring to fig. 1 to 4, the technical solution adopted by the present embodiment is: the cleaning device comprises a carbon brush 1, a collecting ring 2, an upper frame 3, a cleaning device 4 and a collecting box 5, wherein the cleaning device 4 and the collecting box 5 are arranged on the upper frame 3, the cleaning device 4 penetrates through the collecting box 5, the carbon brush 1 and the collecting ring 2 are arranged above the collecting box 5, the cleaning device 4 comprises a motor 6, a connecting rod 7, a rotating shaft 8, a connecting sleeve 9, a brush 10 and a nut 11, the motor 6 is connected with the upper frame 3 through the connecting rod 7, the output end of the motor 6 is connected with the rotating shaft 8, a first limiting column 17 and a second limiting column 18 are arranged on the rotating shaft 8, the first limiting column 17 is positioned on the side wall of the connecting rod 7, the connecting sleeve 9 rotates along with the rotating shaft 8 due to the first limiting column 17, a second limiting block 18 is arranged at the lower end of the first limiting column 17, the diameter of the second limiting block 18 is larger than that of the first limiting column 17, and the second limiting block 18 plays a role in limiting the position of the connecting sleeve 9, the connecting sleeve 9 is sleeved on the rotating shaft 8, the brush 10 is arranged on the side wall of the connecting sleeve 9, the brush 10 plays a role in cleaning carbon powder, the nut 11 is located at the upper end of the connecting sleeve 9 and is in threaded connection with the connecting rod 7, the nut 11 plays a role in fixing, the connecting sleeve 9 is prevented from falling off in the rotating process, the collecting box 5 comprises a box body 12, a box cover 13, a stand column 14, a conformal felt 15 and a through hole 16, the stand column 14 is arranged in the box body 12, the connecting rod 7 is sleeved in the stand column 14, the stand column 14 penetrates through the box cover 13, the box body 12 is conveniently detached from the box cover 13 through threaded connection, the conformal felt 15 is arranged at the upper end of the box cover 13, a plurality of through holes 16 are arranged in the conformal felt 15 and the box cover 13 in a penetrating manner, and the brush 10 is parallel to the box cover 13.

Furthermore, the inclination between the inner wall of the box cover 13 and the upright post 14 is 15-20 degrees, so that carbon powder slides down from the center of the box cover 13 in the cleaning process, and the cleaning effect is improved conveniently.

Furthermore, the bottom of the box body 12 is in threaded connection with the supporting rod 20, and the other end of the supporting rod 20 is in threaded connection with the upper frame 3, so that the collection box 5 can be conveniently detached by a worker.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims

1. Cleaning device is collected to hydraulic turbine collecting ring's carbon dust, its characterized in that: the cleaning device comprises a carbon brush (1), a collecting ring (2), an upper frame (3), a cleaning device (4) and a collecting box (5), wherein the cleaning device (4) and the collecting box (5) are arranged on the upper frame (3), the cleaning device (4) penetrates through the collecting box (5), the carbon brush (1) and the collecting ring (2) are arranged above the collecting box (5), the cleaning device (4) comprises a motor (6), a connecting rod (7), a rotating shaft (8), a connecting sleeve (9), a brush (10) and a nut (11), the motor (6) is connected with the upper frame (3) through the connecting rod (7), the output end of the motor (6) is connected with the rotating shaft (8), the connecting sleeve (9) is sleeved on the rotating shaft (8), the brush (10) is arranged on the side wall of the connecting sleeve (9), the nut (11) is positioned at the upper end of the connecting sleeve (9) and is in threaded connection with the connecting rod (7), the collecting box (5) comprises a box body (12), a box cover (13), stand columns (14), conformal felts (15) and through holes (16), the stand columns (14) are arranged in the box body (12), connecting rods (7) are sleeved in the stand columns (14), the stand columns (14) penetrate through the box cover (13), the box body (12) is in threaded connection with the box cover (13), the conformal felts (15) are arranged at the upper end of the box cover (13), the conformal felts (15) and the box cover (13) are provided with the through holes (16) in a penetrating mode, and the brush (10) is parallel to the box cover (13).

2. The carbon powder collecting and cleaning device for the collecting ring of the water turbine as claimed in claim 1, characterized in that: the inclination between the inner wall of the box cover (13) and the upright post (14) is 15-20 degrees.

3. The carbon powder collecting and cleaning device for the collecting ring of the water turbine as claimed in claim 1, characterized in that: be provided with first spacing post (17) and second stopper (18) on pivot (8), first spacing post (17) are located the lateral wall of connecting rod (7), and the lower extreme of first spacing post (17) is provided with second stopper (18), and the diameter of second stopper (18) is greater than first spacing post (17).

4. The carbon powder collecting and cleaning device for the collecting ring of the water turbine as claimed in claim 1, characterized in that: the inner wall of the connecting sleeve (9) is provided with a limiting groove (19), and the limiting groove (19) is matched with the first limiting column (17).

5. The carbon powder collecting and cleaning device for the collecting ring of the water turbine as claimed in claim 1, characterized in that: the bottom of the box body (12) is in threaded connection with the supporting rod (20), and the other end of the supporting rod (20) is in threaded connection with the upper rack (3).