CN213451364U

CN213451364U - Needle roller bearing for high-voltage switch

Info

Publication number: CN213451364U
Application number: CN202022313759.9U
Authority: CN
Inventors: 葛高攀
Original assignee: Lianyungang Wonong Precision Machinery Co ltd
Current assignee: Lianyungang Wonong Precision Machinery Co ltd
Priority date: 2020-10-17
Filing date: 2020-10-17
Publication date: 2021-06-15
Anticipated expiration: 2030-10-17

Abstract

The utility model discloses a needle roller bearing for high-voltage switch, which belongs to the technical field of bearings and comprises an outer ring, a retainer and a plurality of needle rollers arranged in an annular array, wherein the inner side wall of the outer ring is fixedly connected with the retainer, a plurality of needle roller mounting grooves are formed in the retainer, the plurality of needle rollers are connected in the needle roller mounting grooves in a limiting and rotating manner, an annular oil liquid cavity is formed in the outer ring, an oil rope ring is arranged in the oil liquid cavity, and a plurality of cotton slivers are arranged in the oil rope ring in an annular array manner; the oiling roller rotates in the oil film channel, and the even cladding of oil film that will form is on the kingpin to reach better lubricated effect, and the wick circle passes through the capillary principle, make the fluid of bottom can move to upper portion, thereby ensure whole lubricated effect, avoid taking place the phenomenon of rusty wear, improve bearing's life, can prevent effectively that dust etc. from getting into the holder in, dustproof effectual, lubricating oil is difficult also outer to leak, whole more pleasing to the eye.

Description

Needle roller bearing for high-voltage switch

Technical Field

The utility model belongs to the technical field of the bearing, concretely relates to bearing for high-voltage switch.

Background

Needle roller bearings are roller bearings with cylindrical rollers, which are thin and long in relation to their diameter, which are called needle rollers, which have a high load-bearing capacity despite a small cross-section, and which are equipped with thin and long rollers and are therefore compact in radial configuration, have the same inner diameter and load-bearing capacity as other types of bearings, have a minimum outer diameter and are particularly suitable for bearing arrangements with limited radial installation dimensions.

At present, along with the development of science and technology, the production of various precision instruments, the bearing is one of the indispensable instrument parts, need use needle bearing in the axial component that needs bear radial load, and current needle bearing lubrication effect is relatively poor, piles up in the bottom easily after lubricating oil adds, and the remaining lubricating oil in upper portion kingpin surface is less, the easy rusty wear after using for a long time to influence subsequent use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a needle bearing for high tension switchgear to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a bearing for high-voltage switch, includes the kingpin that outer lane, holder and a plurality of ring array arranged, the inside wall and the holder rigid coupling of outer lane, and seted up a plurality of bearing groove on the holder, and the spacing rotation of a plurality of kingpins is connected in bearing groove, annular fluid chamber has been seted up to the inside of outer lane, and is equipped with the wick circle in the fluid chamber, be a plurality of slivers that the ring array arranged on the wick circle, and a plurality of slivers laminate with the lateral wall of a plurality of fat liquoring rollers respectively, and a plurality of fat liquoring rollers rotate respectively and connect in a plurality of oil film passageways of seting up on the fluid intracavity lateral wall, and the lateral wall of a plurality of fat liquoring rollers passes the oil film passageway and laminates with the lateral wall of a plurality of kingpins, be connected with dustproof seal subassembly jointly on.

As a preferred embodiment, an oil filling hole is formed in the outer side wall of the outer ring, and the oil filling hole is located at the top and is communicated with the oil cavity.

As a preferred embodiment, the number of the wick rings is at least three, and the wick rings and the cotton sliver are arranged in the oil cavity in a transverse and longitudinal manner.

In a preferred embodiment, an arc-shaped groove is formed at the joint of the cotton sliver and the oiling roller.

As a preferred embodiment, the two ends of the oiling roller are in limit connection with fixing rings, and the two fixing rings are fixedly connected to the inner side wall of the oil liquid cavity.

As a preferred embodiment, the dustproof sealing assembly comprises an outer ring and an inner ring, wherein the outer ring is mounted on the side wall of the outer ring, the inner ring is mounted on the side wall of the retainer, notches are formed in the opposite side walls of the outer ring and the inner ring, and rubber sealing rings are mounted in the two notches.

Compared with the prior art, the utility model provides a needle bearing for high-voltage switch includes following beneficial effect at least:

(1) lubricating oil is injected into the oil cavity through the oil injection hole, the oil is uniformly distributed on each cotton sliver under the action of the oil rope ring, the oil is uniformly coated on the surface of the oil coating roller under the action of the cotton slivers, the oil coating roller is driven to rotate when the roller pin rotates, the oil coating roller rotates in the oil film channel, and the formed oil film is uniformly coated on the roller pin, so that a better lubricating effect is achieved, the oil at the bottom can move to the upper part through the oil rope ring according to the capillary principle, the integral lubricating effect is ensured, the phenomenon of rusting and abrasion is avoided, and the service life of the needle bearing is prolonged;

(2) through the setting of dustproof sealing assembly, utilize the notch that inner ring and outer loop formed to fix rubber seal, recycle rubber seal and to form sealed effect on the lateral wall of outer lane and holder, can prevent effectively that dust etc. from getting into in the holder, dustproof effectual, lubricating oil is also difficult for leaking outward, and is whole more pleasing to the eye.

Drawings

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

FIG. 2 is a schematic structural view of the outer ring of the present invention;

FIG. 3 is a schematic structural view of the joint of the wick ring and the cotton sliver of the present invention;

fig. 4 is a schematic structural view of the retainer of the present invention;

FIG. 5 is a schematic structural view of the oiling roller of the present invention;

fig. 6 is a schematic structural view of the dust seal assembly of the present invention;

fig. 7 is a schematic structural diagram of the partial structural section in the outer ring of the present invention.

In the figure: 1. an outer ring; 101. an oil filler hole; 102. an oil liquid chamber; 103. an oil film channel; 2. an oil rope ring; 3. a cotton sliver; 301. an arc-shaped slot; 4. oiling a roller; 5. a fixing ring; 6. rolling needles; 7. a needle roller mounting groove; 8. a holder; 9. a dust seal assembly; 901. an inner ring; 902. an outer ring; 903. a notch; 904. a rubber seal ring.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1-7, the utility model provides a needle roller bearing for high-voltage switch, including outer lane 1, holder 8 and a plurality of kingpins 6 arranged in an annular array, the inside wall of outer lane 1 is fixedly connected with holder 8, and holder 8 is provided with a plurality of kingpin mounting slots 7, and a plurality of kingpins 6 are connected in kingpin mounting slots 7 in a spacing rotation manner, the outside wall of outer lane 1 is provided with oil filler point 101, and oil filler point 101 is located the top and is communicated with oil liquid cavity 102 (see fig. 1 and 2); lubricating oil can be injected into the oil cavity 102 through the oil injection hole 101, and the oil injection device is more convenient and faster.

An annular oil cavity 102 is formed in the outer ring 1, oil rope rings 2 are arranged in the oil cavity 102, the number of the oil rope rings 2 is at least three, and the oil rope rings 2 and the cotton sliver 3 are arranged in the oil cavity 102 in a transverse and longitudinal mode (see fig. 3); the lubricating oil can be more smoothly moved to the upper part through the capillary action, and the phenomenon that the lubricating oil on the upper part is consumed too fast is avoided.

A plurality of cotton slivers 3 are distributed on the oil rope ring 2 in an annular array, and arc-shaped grooves 301 (shown in figure 7) are arranged at the joint of the cotton slivers 3 and the oiling roller 4; the contact area between the cotton sliver 3 and the oiling roller 4 is increased, so that the oiling roller 4 can better form an oil film.

The cotton slivers 3 are respectively attached to the outer side walls of the oiling rollers 4, the oiling rollers 4 are respectively rotatably connected into a plurality of oil film channels 103 formed in the inner side wall of the oil liquid cavity 102, fixing rings 5 are connected to two ends of each oiling roller 4 in a limiting manner, and the two fixing rings 5 are fixedly connected to the inner side wall of the oil liquid cavity 102 (see fig. 5); the oiling roller 4 is convenient to be fixed.

The outer side walls of the oiling rollers 4 penetrate through the oil film channel 103 and are attached to the outer side walls of the rolling needles 6, two side walls of the outer ring 1 and the retainer 8 are connected with a dustproof sealing assembly 9 together, the dustproof sealing assembly 9 comprises an outer ring 902 and an inner ring 901, the outer ring 902 and the inner ring 901 are mounted on the side wall of the outer ring 1 and the side wall of the retainer 8 respectively, notches 903 are formed in the side walls, opposite to the outer ring 902 and the inner ring 901, and rubber sealing rings 904 are mounted in the two notches 903 (see fig. 1 and 6); utilize notch 903 that inner ring 901 and outer loop 902 formed to fix rubber seal 904, reuse rubber seal 904 and form sealed effect on the lateral wall of outer lane 1 and holder 8, can prevent effectively that dust etc. from getting into in the holder 8, dustproof effectual, lubricating oil is also difficult for leaking outward, and whole is more pleasing to the eye.

When the lubricating oil lubricating device is used, lubricating oil is injected into the oil cavity 102 through the oil injection hole 101, the oil is uniformly distributed on each cotton sliver 3 under the action of the oil rope ring 2, the oil is uniformly coated on the surface of the oil coating roller 4 under the action of the cotton slivers 3, the oil coating roller 4 is driven to rotate when the roller pin 6 rotates, the oil coating roller 4 rotates in the oil film channel 103, the formed oil film is uniformly coated on the roller pin 6, so that a better lubricating effect is achieved, the oil rope ring 2 enables the oil at the bottom to move to the upper part through the capillary principle, so that the overall lubricating effect is ensured, the rusting and abrasion phenomenon is avoided, the service life of a roller pin 6 bearing is prolonged, the notch 903 formed by the inner ring 901 and the outer ring 902 is reused, the rubber sealing ring 904 is fixed, and the sealing effect is formed on the outer ring 1 and the outer side wall of the retainer 8 by the rubber sealing ring, can effectively prevent dust and the like from entering the retainer 8, has good dustproof effect, prevents lubricating oil from leaking outwards and is more attractive as a whole.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a needle bearing for high pressure switch, includes that outer lane (1), holder (8) and a plurality of annular array arrange's kingpin (6), its characterized in that: the inner side wall of the outer ring (1) is fixedly connected with a retainer (8), the retainer (8) is provided with a plurality of needle roller mounting grooves (7), a plurality of rolling needles (6) are connected in the rolling needle mounting groove (7) in a limiting and rotating way, an annular oil-liquid cavity (102) is arranged inside the outer ring (1), an oil rope ring (2) is arranged in the oil cavity (102), a plurality of cotton slivers (3) are distributed on the oil rope ring (2) in an annular array, and a plurality of cotton slivers (3) are respectively attached to the outer side walls of the oiling rollers (4), and a plurality of oiling rollers (4) are respectively and rotatably connected in a plurality of oil film channels (103) arranged on the inner side wall of the oil liquid cavity (102), and the outer side walls of the oiling rollers (4) penetrate through the oil film channel (103) and are attached to the outer side walls of the rolling needles (6), and two side walls of the outer ring (1) and the retainer (8) are connected with a dustproof sealing component (9) together.

2. The needle roller bearing for a high-voltage switch according to claim 1, wherein: an oil filling hole (101) is formed in the outer side wall of the outer ring (1), and the oil filling hole (101) is located at the top and is communicated with the oil liquid cavity (102).

3. The needle roller bearing for a high-voltage switch according to claim 1, wherein: the number of the oil rope rings (2) is at least three, and the oil rope rings (2) and the cotton slivers (3) are arranged in the oil liquid cavity (102) in a transverse and longitudinal arrangement mode.

4. The needle roller bearing for a high-voltage switch according to claim 1, wherein: an arc-shaped groove (301) is formed in the joint of the cotton sliver (3) and the oiling roller (4).

5. The needle roller bearing for a high-voltage switch according to claim 1, wherein: the limiting connection of both ends department of fat liquoring roller (4) has solid fixed ring (5), and two solid fixed ring (5) equal rigid couplings are on the inside wall of oil liquid chamber (102).

6. The needle roller bearing for a high-voltage switch according to claim 1, wherein: dustproof seal assembly (9) are including installing outer ring (902) and inner ring (901) on holder (8) lateral wall on outer lane (1) lateral wall respectively, all seted up notch (903) on the relative lateral wall of outer ring (902) and inner ring (901), and install rubber seal (904) in two notches (903).