CN214304850U

CN214304850U - High-precision thrust roller bearing for hydroelectric power generation

Info

Publication number: CN214304850U
Application number: CN202023223051.0U
Authority: CN
Inventors: 吴宏亮; 吴志国; 吴正明; 崔浩丽; 汤满定
Original assignee: Yangzhou Likai Machinery Manufacturing Co ltd
Current assignee: Yangzhou Likai Machinery Manufacturing Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-09-28
Anticipated expiration: 2030-12-28

Abstract

A high-precision thrust roller bearing for hydroelectric power generation comprises an inner ring, an outer ring and a rolling component, a lubricating groove is arranged on the outer side of the outer ring, a sealing ring is arranged on the lubricating groove, an oil filling hole is arranged on the sealing ring, the bottom of the lubricating groove is provided with an oil outlet, the rolling assembly comprises a plurality of cylindrical rollers and two positioning rings, two connecting columns are arranged between the adjacent cylindrical rollers, two sides of the outer ring are provided with waterproof gaskets, one of them waterproof packing ring and outer lane can be dismantled and be connected, another waterproof packing ring and inner circle can be dismantled and be connected, and lubrication groove and sealing washer cooperation form a cavity that can the oil storage, and the oil storage in the cavity, lubricating oil flow from the oil outlet can make for cylindrical roller supplementary lubricating oil, and two spliced poles can be dismantled and connect, and the change cylindrical roller that makes is more convenient, and waterproof packing ring can prevent during moisture and the dust in the outside air get into outer lane and inner circle.

Description

High-precision thrust roller bearing for hydroelectric power generation

Technical Field

The utility model relates to a roller bearing technical field specifically is a high accuracy thrust roller bearing for hydroelectric power generation.

Background

The roller bearing is one of bearings, which supports rotating parts by means of rolling contact among main elements, is mostly standardized, has the advantages of small moment required by starting, high rotation precision, convenient selection and the like, is applied to hydraulic power generation equipment, is also one of bearings, can be used for bearing axial force, is difficult to add a lubricant after being installed on the equipment, can only add the lubricant until the equipment is maintained, can cause serious abrasion of the bearing in the using process once the lubricant of the bearing is consumed, is generally exposed in air on two sides of the bearing, is difficult to avoid in a humid environment, is quicker than a dry environment in consumption of the lubricant inside the bearing, and is used as a high-precision bearing inside the roller bearing, the internal parts need to be replaced after being worn, but the internal parts of the existing roller bearing are difficult to replace.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a high accuracy thrust roller bearing for hydroelectric power generation.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a high-precision thrust roller bearing for hydroelectric power generation comprises an inner ring, an outer ring and a rolling assembly, wherein the inner side of the outer ring and the outer side of the inner ring are obliquely arranged, the inner ring is arranged in the middle of the outer ring, the rolling assembly is arranged between the inner ring and the outer ring, the outer side of the outer ring is provided with a lubricating groove, a sealing ring is arranged on the lubricating groove, an oil filling hole is formed in the sealing ring, the bottom of the lubricating groove is provided with an oil outlet hole extending to the inner side of the outer ring, the rolling assembly comprises a plurality of cylindrical rollers and two positioning rings, the cylindrical rollers are arranged between the two positioning rings, the positioning rings are sleeved on the outer side of the inner ring, two connecting columns are arranged between the adjacent cylindrical rollers and are respectively connected with the two positioning rings, one end of one connecting column is provided with a slot, and this end is provided with the fixed orifices, be provided with fixing bolt in the fixed orifices, another be provided with the connecting block on the spliced pole, the connecting block sets up in the slot, and with fixing bolt threaded connection, the both sides of outer lane all are provided with waterproof gasket, and one of them waterproof gasket and outer lane can be dismantled and be connected, another waterproof gasket and inner circle can be dismantled and be connected.

Preferably, the waterproof gasket is provided with a plurality of connecting holes, and connecting bolts are arranged in the connecting holes.

In a further preferred manner, a sponge is arranged in the lubricating groove.

In a further preferred embodiment, a sealing plug is arranged on the oil filling opening.

In a further preferred embodiment, the connecting stud and the positioning ring are integrally formed.

In a further preferred mode, the upper and lower sides of the outer side of the inner ring and the side with the smaller diameter of the inner side of the outer ring are both provided with chamfers, and the side with the larger diameter of the inner side of the outer ring is provided with a fixing ring.

In a further preferred mode, the oil outlet holes are arranged in a plurality of numbers, and the intervals between every two adjacent oil outlet holes are the same.

(III) advantageous effects

Compared with the prior art, the utility model provides a high accuracy thrust roller bearing for hydroelectric power generation possesses following beneficial effect:

the utility model discloses in, the sealing washer, the oil filler point, lubrication groove and oil outlet can be inner circle and outer lane additional lubrication oil, can store lubricating oil in the cavity that sealing washer and lubrication groove formed, the slow follow oil outlet of lubricating oil flows, can be long-time need not add lubricating oil to the middle of inner circle and the outer lane, two spliced poles pass through fixing bolt and connect, only need a screwdriver just can more convenient dismantlement get off when needs, can change the serious cylindrical roller of wearing and tearing after dismantling the spliced pole, can make cylindrical roller can directly not expose in the air through waterproof packing ring, avoid inside external humid air and the entering outer lane such as impurity.

Drawings

FIG. 1 is a schematic view of the overall cross-sectional structure of the present invention;

FIG. 2 is an enlarged view of a portion of A in FIG. 1;

FIG. 3 is an enlarged view of a portion of B in FIG. 1;

fig. 4 is an enlarged view of a portion of C in fig. 1.

In the figure: 1. an inner ring; 2. an outer ring; 3. a lubrication groove; 4. a seal ring; 5. an oil filler hole; 6. an oil outlet hole; 7. a cylindrical roller; 8. positioning rings; 9. connecting columns; 10. a slot; 11. a fixing hole; 12. fixing the bolt; 13. connecting blocks; 14. a waterproof gasket; 15. connecting holes; 16. a connecting bolt; 17. a sponge; 18. a sealing plug; 19. and a fixing ring.

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.

Example (b):

referring to fig. 1-4, a high-precision thrust roller bearing for hydroelectric power generation comprises an inner ring 1, an outer ring 2 and a rolling assembly, wherein the inner side of the outer ring 2 and the outer side of the inner ring 1 are obliquely arranged, the inner ring 1 is arranged in the middle of the outer ring 2, the rolling assembly is arranged between the inner ring 1 and the outer ring 2, the outer side of the outer ring 2 is provided with a lubricating groove 3, the lubricating groove 3 is provided with a sealing ring 4, the sealing ring 4 is provided with an oil filling hole 5, the bottom of the lubricating groove 3 is provided with an oil outlet 6, the oil outlet 6 extends to the inner side of the outer ring 2, the rolling assembly comprises a plurality of cylindrical rollers 7 and two positioning rings 8, the cylindrical rollers 7 are arranged between the two positioning rings 8, the positioning rings 8 are sleeved on the outer side of the inner ring 1, and two connecting columns 9 are arranged between the adjacent cylindrical rollers 7, two spliced pole 9 is connected with two position circle 8 respectively, one of them the one end of spliced pole 9 is provided with slot 10, and this end is provided with fixed orifices 11, be provided with fixing bolt 12 in the fixed orifices 11, another be provided with connecting block 13 on the spliced pole 9, connecting block 13 sets up in slot 10, and with fixing bolt 12 threaded connection, the both sides of outer lane 2 all are provided with waterproof packing ring 14, and one of them waterproof packing ring 14 and outer lane 2 can dismantle the connection, another waterproof packing ring 14 and inner circle 1 can dismantle the connection.

In this embodiment, the waterproof gasket 14 is provided with a plurality of connecting holes 15, and the connecting holes 15 are provided with connecting bolts 16. The connection bolt 16 is sufficiently firmly connected to firmly fix the waterproof gasket 14 to the inner ring 1 or the outer ring 2.

In the present embodiment, a sponge 17 is provided in the lubrication groove 3. The sponge 17 can absorb lubricating oil, and after the sponge 17 absorbs the lubricating oil, the lubricating oil can be prevented from flowing out of the oil outlet 6 quickly, so that the lubricating oil flows out of the oil outlet 6 slowly.

In the present embodiment, a sealing plug 18 is provided on the oil filler hole 5. The sealing plug 18 prevents the lubricating oil from flowing out of the oil filler hole 5.

In this embodiment, the connecting column 9 and the positioning ring 8 are integrally formed. The integral forming is firm enough and the strength is large enough.

In this embodiment, the upper and lower sides of the outer side of the inner ring 1 and the side of the inner side of the outer ring 2 with the smaller diameter are both provided with chamfers, and the side of the inner side of the outer ring 2 with the larger diameter is provided with a fixing ring 19. The chamfer and the fixed ring 19 are used for fixing the cylindrical roller 7, so that the cylindrical roller 7 is prevented from being separated from the inner ring 1, the chamfer is arranged on the inner side of the outer ring 2 only on the side with the narrower diameter, the smooth installation of the inner ring 1 is ensured, and the fixed ring 19 and the outer ring 2 belong to interference fit.

In this embodiment, the oil outlet holes 6 are provided with a plurality of oil outlet holes, and the adjacent oil outlet holes 6 have the same interval. The plurality of oil outlet holes 6 can quickly distribute the lubricating oil over all the cylindrical rollers 7.

The working principle is as follows:

in conclusion, when the sealing plug 18 is pulled out firstly, then the lubricating oil is injected into the lubricating groove 3 from the oil injection hole 5, the lubricating oil is absorbed by the sponge 17, redundant lubricating oil flows to the inner side of the outer ring 2 from the oil outlet 6, the lubricating oil is injected completely, the oil injection hole 5 is sealed by the sealing plug 18, the lubricating oil is locked by the sponge 17 and slowly flows out from the oil outlet 6, the inner side of the outer ring 2 is kept lubricated for a long time, the sponge 17 is convenient to mount due to the existence of the sealing ring 4, the lubricating groove 3 is sealed at the same time, the two waterproof gaskets 14 cannot be connected with the outer ring 2 and the inner ring 1 and are contacted with each other, the gap between the waterproof gasket 14 and the inner ring 1 or the outer ring 2 can prevent the waterproof gasket 14 from rubbing with the inner ring 1 or the outer ring 2 when the waterproof gasket 14 rotates, the smooth rotation of the inner ring 1 and the outer ring 2 can be ensured, and simultaneously, most of moist air can be effectively prevented from entering between the outer ring 2 and the inner ring 1, the consumption of lubricating oil has been slowed down, if need be maintained, pull down connecting bolt 16 earlier, make waterproof packing ring 14 break away from with outer lane 2 or inner circle 1, then take off retainer plate 19, after taking off retainer plate 19, take out inner circle 1 and cylindrical roller 7, pull down fixing bolt 12, just so can separate retainer plate 8 and spliced pole 9, after changing cylindrical roller 7, insert slot 10 with connecting block 13, and utilize fixing bolt 12 fixed, then put inner circle 1 in outer lane 2, later say the retainer plate 19 again, waterproof packing ring 14 installation go back can.

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 high accuracy thrust roller bearing for hydroelectric power generation, includes inner circle (1), outer lane (2) and rolling assembly, the inboard of outer lane (2) and the outside of inner circle (1) all incline to set up, inner circle (1) sets up in the middle of outer lane (2), rolling assembly sets up between inner circle (1) and outer lane (2), its characterized in that: the outer side of the outer ring (2) is provided with a lubricating groove (3), a sealing ring (4) is arranged on the lubricating groove (3), an oil filling hole (5) is formed in the sealing ring (4), an oil outlet hole (6) is formed in the bottom of the lubricating groove (3), the oil outlet hole (6) extends to the inner side of the outer ring (2), the rolling assembly comprises a plurality of cylindrical rollers (7) and two locating rings (8), the cylindrical rollers (7) are arranged between the two locating rings (8), the locating rings (8) are sleeved on the outer side of the inner ring (1), two connecting columns (9) are arranged between the adjacent cylindrical rollers (7), the two connecting columns (9) are respectively connected with the two locating rings (8), one end of each connecting column (9) is provided with a slot (10), the end of each connecting column is provided with a fixing hole (11), and a fixing bolt (12) is arranged in each fixing hole (11), another be provided with connecting block (13) on spliced pole (9), connecting block (13) set up in slot (10), and with fixing bolt (12) threaded connection, the both sides of outer lane (2) all are provided with waterproof gasket (14), and one of them waterproof gasket (14) and outer lane (2) can be dismantled and be connected, another waterproof gasket (14) and inner circle (1) can be dismantled and be connected.

2. A high accuracy thrust roller bearing for hydroelectric power generation as claimed in claim 1 wherein: the waterproof gasket (14) is provided with a plurality of connecting holes (15), and connecting bolts (16) are arranged in the connecting holes (15).

3. A high accuracy thrust roller bearing for hydroelectric power generation as claimed in claim 1 wherein: a sponge (17) is arranged in the lubricating groove (3).

4. A high accuracy thrust roller bearing for hydroelectric power generation as claimed in claim 1 wherein: and a sealing plug (18) is arranged on the oil filling hole (5).

5. A high accuracy thrust roller bearing for hydroelectric power generation as claimed in claim 1 wherein: the connecting column (9) and the positioning ring (8) are integrally formed.

6. A high accuracy thrust roller bearing for hydroelectric power generation as claimed in claim 1 wherein: the upper edge and the lower edge of the outer side of the inner ring (1) and the edge with the smaller diameter of the inner side of the outer ring (2) are both provided with chamfers, and the edge with the larger diameter of the inner side of the outer ring (2) is provided with a fixed ring (19).

7. A high accuracy thrust roller bearing for hydroelectric power generation as claimed in claim 1 wherein: the oil outlet holes (6) are provided with a plurality of oil outlet holes, and are adjacent to each other, and the oil outlet holes (6) are identical in interval.