CN215672541U

CN215672541U - Oil-proof device for electrical variable-pitch communication slip ring

Info

Publication number: CN215672541U
Application number: CN202121290732.0U
Authority: CN
Inventors: 何中模; 曹丽敏
Original assignee: Sichuan Hanwei Electrical Co W L L
Current assignee: Sichuan Hanwei Electrical Co W L L
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2022-01-28
Anticipated expiration: 2031-06-10

Abstract

The utility model relates to the technical field of pitch-controlled communication slip rings and discloses an oil-proof device for an electrical pitch-controlled communication slip ring. This grease proofing device of electrical pitch-controlled communication sliding ring, the inner wall contact that can make baffle and collecting vat through the sealing layer is inseparabler, and then prevent that the inside lubricating oil of collecting vat from collecting after full, when the box body is dismantled, the box body rocks, make the inside lubricating oil of collecting vat spill over the inside of collecting vat, get into the inside of slide, make slide needle and slide receive the pollution, the greasy dirt mixes into fatlute with the inside likepowder thing that the wearing and tearing of sliding ring got off, pile up at slide needle and slide contact site, influence the contact, block signal transmission, cause the condition of trouble to appear.

Description

Oil-proof device for electrical variable-pitch communication slip ring

Technical Field

The utility model relates to the technical field of pitch-variable communication slip rings, in particular to an oil-proof device of an electric pitch-variable communication slip ring.

Background

When the electronic instrument cleaning agent is used for cleaning the sliding ring, the sliding ring is detached for cleaning by professional maintenance personnel, and the sliding ring is installed again after being cleaned. However, for a large-capacity wind field, oil stains are accumulated to block signal transmission, so that a fault is caused sometimes by more than ten times a day, the slip ring needs to be disassembled and assembled when being cleaned every time, the working strength of workers is increased, and when the slip ring is disassembled and assembled to clean the slide way and the slide needle, the wind driven generator cannot generate electricity, so that the generated energy is delayed;

according to the above problems, the patent publication: CN211819811U discloses an electrical becomes grease proofing device of oar communication sliding ring, through setting up the connecting piece of dismantlement connection on the sliding ring shell, set up the oil storage structure on the connecting piece and set up the oil absorption piece in the oil storage structure, when having solved among the prior art and having washd the sliding ring with the electronic instrument cleaner, not only increased workman's working strength, also delayed the problem of generated energy, but this scheme still can appear following problem at the in-process that uses: after long-term use of the device, the inside lubricating oil of collecting vat is collected to be full, and when the staff dismantled the box body, if the box body appears rocking, easily make the inside lubricating oil of collecting vat spill over the inside of collecting vat, get into the inside of slide, make slide needle and slide receive the pollution, the greasy dirt mixes into fatlute with the inside wearing and tearing of sliding ring powder thing that gets off, piles up at slide needle and slide contact site, influences the contact, blocks signal transmission, causes the condition of trouble to appear.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the oil-proof device for the electrical variable-pitch communication slip ring, which has the advantages that lubricating oil is not easy to overflow from the inside of the collecting tank, and the like, and solves the problem that the lubricating oil is easy to overflow from the inside of the collecting tank.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an electric change grease proofing device of oar communication sliding ring, includes the sliding ring shell, has seted up slide and cavity on the sliding ring shell, and the cavity is located the right side of slide, the inside of cavity is provided with the box body, and the box body passes through the surface swing joint of bolt and sliding ring shell, and the front side of box body is seted up and is equipped with the standing groove, and the inside sliding connection of standing groove has the power post, and the inside of power post is hollow structure, and the collecting vat has been seted up to the inside of box body, and the inside fixedly connected with pin of the vertical groove of collecting vat, the inside spout of intercommunication collecting vat has been seted up to the inside of box body, and the inside first rotating groove of intercommunication spout has been seted up to the inside of box body, and the inside of first rotating groove is provided with power closing mechanism.

Preferably, the collecting groove is L-shaped, and an inclined plane is arranged inside the collecting groove.

Preferably, the left end of the baffle is provided with an inclined plane, and the left end of the baffle is fixedly connected with a sealing layer.

Preferably, power closing mechanism includes the threaded rod, and both ends all are connected with the inner wall rotation of first rotating groove about the threaded rod, and the left end fixedly connected with worm wheel on threaded rod surface, and the right-hand member threaded connection on threaded rod surface has the power piece with baffle front side fixed connection, and the inside second rotating groove of intercommunication first rotating groove inside is seted up to the box body, and the inside rotation of second rotating groove is connected with the worm with worm wheel surface meshing, and the front end of worm rotates the inside that runs through the box body and extends to the inside of standing groove.

Preferably, the front end of the surface of the worm is fixedly connected with a limiting block, and the surface of the worm is connected with the inside of the power column in a sliding mode.

Preferably, a limiting groove connected with the limiting block in a sliding manner is formed in the power column.

(III) advantageous effects

Compared with the prior art, the utility model provides an oil-proof device for an electrical variable pitch communication slip ring, which has the following beneficial effects:

1. this grease proofing device of electrical pitch-controlled communication sliding ring, can make the inner wall contact of baffle and collecting vat inseparabler through the sealing layer, and then prevent that the inside lubricating oil of collecting vat from collecting after full, when the box body is dismantled, the box body rocks, make the inside lubricating oil of collecting vat spill over the inside of collecting vat, get into the inside of slide, make slide needle and slide receive the pollution, the greasy dirt mixes into the fatlute with the inside likepowder thing that wears off of sliding ring, pile up with slide contact site at the slide needle, influence the contact, block signal transmission, cause the condition of trouble to appear, make the staff can be more smooth dismantle the washing to the box body.

2. This grease proofing device of electrical pitch-controlled communication sliding ring can block the oil absorption object through the pin, makes the position of oil absorption object receive the restriction, prevents that the oil absorption object from getting into the inside of collecting vat transverse groove, makes the oil absorption object can more stably collect the oil (the lubricating oil that carries out the lubrication to the bearing) of gear box hollow tube seepage simultaneously, makes the operation that the sliding ring can be more stable, makes the life of sliding ring obtain certain extension.

3. This electric change oar communication sliding ring grease proofing device, through the cooperation of power post with the standing groove, make the surperficial more clean and tidy of box body, make the device can be more smooth collect lubricating oil, make the operative installations that the staff can be more convenient, simultaneously through the inclined plane of the inside setting of collecting vat, make the inside of getting into the collecting vat that oil absorption object absorbing lubricating oil can be more smooth.

Drawings

FIG. 1 is a schematic structural diagram of an oil-proof device of an electrical pitch-variable communication slip ring according to the utility model;

FIG. 2 is a schematic cross-sectional view of the cartridge of the present invention;

FIG. 3 is a left side view of the box of the present invention;

FIG. 4 is an enlarged view of A in FIG. 3 according to the present invention.

In the figure: the slip ring comprises a slip ring shell 1, a slideway 2, a cavity 3, a box 4, a placing groove 5, a power column 6, a power block 7, a worm wheel 8, a threaded rod 9, a baffle plate 10, a sealing layer 11, a sliding groove 12, a stop lever 13, a collecting groove 14, a first rotating groove 15, a worm 16, a second rotating groove 17, a limiting block 18 and a limiting groove 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an oil-proof device of an electrical variable-pitch communication slip ring comprises a slip ring shell 1, the slip ring shell 1 is of an existing structure and is not described herein, a slide 2 and a cavity 3 are formed in the slip ring shell 1, the cavity 3 is located on the right side of the slide 2, a box body 4 is arranged inside the cavity 3, the box body 4 is movably connected with the outer surface of the slip ring shell 1 through bolts, a placing groove 5 is formed in the front side of the box body 4, a power column 6 is connected to the inside of the placing groove 5 in a sliding mode, the inside of the power column 6 is of a hollow structure, a collecting groove 14 is formed inside the box body 4, the collecting groove 14 is of an L shape, an oil-absorbing object can be placed inside a longitudinal groove of the collecting groove 14, oil absorbed by the oil-absorbing object can be collected inside a transverse groove 14, an inclined surface is arranged inside the collecting groove 14, a blocking rod 13 is fixedly connected to the inside of the longitudinal groove of the collecting groove 14, and the blocking rods 13 are multiple, the plurality of stop rods 13 are equidistantly arranged inside a longitudinal groove of the collecting groove 14, the oil-absorbing object can be stopped by the stop rods 13, so that the position of the oil-absorbing object is limited, the oil-absorbing object is prevented from entering the inside of a transverse groove of the collecting groove 14, meanwhile, the oil-absorbing object can more stably collect leaked oil (lubricating oil for lubricating a bearing) of a hollow tube of the gear box, so that the sliding ring can more stably run, the service life of the sliding ring is prolonged to a certain extent, meanwhile, the lubricating oil absorbed by the oil-absorbing object can more smoothly enter the inside of the collecting groove 14 through an inclined plane arranged inside the collecting groove 14, a sliding groove 12 communicated with the inside of the collecting groove 14 is arranged inside the box body 4, a baffle plate 10 is slidably connected inside the sliding groove 12, the inclined plane is arranged at the left end of the baffle plate 10, a sealing layer 11 is fixedly connected with the left end of the baffle plate 10, a first rotating groove 15 communicated with the inside of the sliding groove 12 is arranged inside the box body 4, a power closing mechanism is arranged in the first rotating groove 15;

the power closing mechanism comprises a threaded rod 9, the left end and the right end of the threaded rod 9 are both rotationally connected with the inner wall of a first rotating groove 15, the left end of the surface of the threaded rod 9 is fixedly connected with a worm wheel 8, the right end of the surface of the threaded rod 9 is in threaded connection with a power block 7 fixedly connected with the front side of a baffle plate 10, a second rotating groove 17 communicated with the inside of the first rotating groove 15 is formed in the box body 4, a worm 16 meshed with the surface of the worm wheel 8 is rotationally connected in the second rotating groove 17, the front end of the worm 16 rotationally penetrates through the inside of the box body 4 and extends to the inside of the placing groove 5, a limiting block 18 is fixedly connected with the front end of the surface of the worm 16, the surface of the worm 16 is slidably connected with the inside of the power column 6, and a limiting groove 19 slidably connected with the limiting block 18 is formed in the power column 6, the power column 6 can only move back and forth on the surface of the worm 16 through the matching of the limiting block 18 and the limiting groove 19;

make power column 6 roll off the inside of standing groove 5, spacing groove 19 moves on limiting block 18 through power column 6 simultaneously, the position of worm 16 does not change, power column 6 rotates, make worm 16 rotate, and make worm wheel 8 drive threaded rod 9 and rotate, threaded rod 9 rotates and makes power block 7 drive baffle 10 on threaded rod 9 and move left, and make the inner wall of sealing layer 11 and collecting vat 14 contact, through the inclined plane that the baffle 10 left end set up, make baffle 10 can be inseparabler and the inclined plane that the inside of collecting vat 14 set up laminate, simultaneously can make baffle 10 and the inner wall of collecting vat 14 contact inseparabler through sealing layer 11, and then prevent that the lubricating oil of the inside of collecting vat 14 from collecting after full, when box body 4 is dismantled, box body 4 rocks, make the lubricating oil of the inside of collecting vat 14 spill over the inside of collecting vat 14, get into the inside of slide 2, the sliding needle and the slide way 2 are polluted, oil sludge is mixed with powder abraded from the inside of the sliding ring to form oil sludge, the oil sludge is accumulated at the contact part of the sliding needle and the slide way 2 to influence the contact, the signal transmission is blocked, and the fault is caused, so that a worker can more smoothly disassemble and clean the box body 4;

simultaneously through the cooperation of power post 6 with standing groove 5, make the more clean and tidy in surface of box body 4, make the device can be more smooth collect lubricating oil simultaneously, make the operative installations that the staff can be more convenient.

The working principle is as follows:

when the oil-proof device for the electrical variable-pitch communication slip ring is used, the power column 6 slides out of the inside of the placement groove 5, meanwhile, the limiting block 18 moves inside the limiting groove 19, the power column 6 is rotated, the worm 16 is rotated, the worm wheel 8 drives the threaded rod 9 to rotate, the threaded rod 9 rotates to enable the power block 7 to drive the baffle 10 to move leftwards on the threaded rod 9, the sealing layer 11 is in contact with the inner wall of the collecting groove 14, the baffle 10 can be more closely attached to the inclined plane arranged inside the collecting groove 14 through the inclined plane arranged at the left end of the baffle 10, meanwhile, the baffle 10 can be more closely contacted with the inner wall of the collecting groove 14 through the sealing layer 11, and after the lubricating oil inside the collecting groove 14 is fully collected, when the box body 4 is disassembled, the box body 4 is shaken, and the lubricating oil inside the collecting groove 14 overflows the inside of the collecting groove 14, get into the inside of slide 2, simultaneously through the cooperation of power post 6 with standing groove 5, make the more clean and tidy in surface of box body 4.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electrical change grease proofing device of oar communication sliding ring, includes sliding ring shell (1), has seted up slide (2) and cavity (3) on sliding ring shell (1), and cavity (3) are located the right side of slide (2), its characterized in that: the inside of cavity (3) is provided with box body (4), box body (4) are through the surface swing joint of bolt and sliding ring shell (1), standing groove (5) have been seted up to the front side of box body (4), the inside sliding connection of standing groove (5) has power post (6), the inside of power post (6) is hollow structure, collecting vat (14) have been seted up to the inside of box body (4), the inside fixedly connected with pin (13) of collecting vat (14) longitudinal groove, inside spout (12) of intercommunication collecting vat (14) have been seted up to the inside of box body (4), the inside sliding connection of spout (12) has baffle (10), first rotating groove (15) of intercommunication spout (12) inside have been seted up to the inside of box body (4), the inside of first rotating groove (15) is provided with power closing mechanism.

2. The electrical pitch-control communication slip ring oil-proof device according to claim 1, characterized in that: the collecting groove (14) is L-shaped, and an inclined plane is arranged inside the collecting groove (14).

3. The electrical pitch-control communication slip ring oil-proof device according to claim 1, characterized in that: the left end of baffle (10) is provided with the inclined plane, and the left end fixedly connected with sealing layer (11) of baffle (10).

4. The electrical pitch-control communication slip ring oil-proof device according to claim 1, characterized in that: the power closing mechanism comprises a threaded rod (9), the left end and the right end of the threaded rod (9) are connected with the inner wall of a first rotating groove (15) in a rotating mode, a worm wheel (8) is fixedly connected to the left end of the surface of the threaded rod (9), a power block (7) fixedly connected with the front side of a baffle plate (10) is connected to the right end of the surface of the threaded rod (9) in a threaded mode, a second rotating groove (17) communicated with the first rotating groove (15) is formed in the box body (4), the worm (16) meshed with the worm wheel (8) in the surface mode is connected to the inner rotating groove of the second rotating groove (17), and the front end of the worm (16) rotates to penetrate through the inside of the box body (4) and extends to the inside of the placing groove (5).

5. The electrical pitch-control communication slip ring oil-proof device according to claim 4, characterized in that: the front end of the surface of the worm (16) is fixedly connected with a limiting block (18), and the surface of the worm (16) is connected with the inside of the power column (6) in a sliding mode.

6. The oil-proof device for the electrical pitch control communication slip ring according to claim 5, wherein: and a limiting groove (19) which is connected with the limiting block (18) in a sliding manner is formed in the power column (6).