CN210599857U

CN210599857U - Vertical cantilever main shaft bearing

Info

Publication number: CN210599857U
Application number: CN201921557461.3U
Authority: CN
Inventors: 蔡云峰
Original assignee: Dalian United Wind Power Generation Bearing Co ltd
Current assignee: Dalian United Wind Power Generation Bearing Co ltd
Priority date: 2019-09-19
Filing date: 2019-09-19
Publication date: 2020-05-22
Anticipated expiration: 2029-09-19

Abstract

The utility model discloses a vertical cantilever main shaft bearing, which comprises a seat ring, a bearing ring, a first shaft ring, a first retainer, a first roller, a second shaft ring, a second retainer, a second roller, a positioning ring, a third retainer and a third roller, wherein the bearing ring is fixed on the outer side of the seat ring, the upper end cover of the outer side of the seat ring is provided with the first shaft ring, a first roller groove is formed by the gap between one end of the inner wall of the first shaft ring, which is close to the bearing ring, and the bearing ring, the inner wall of the first roller groove is rotationally connected with the first retainer, the inner wall of the first retainer is rotationally connected with the first roller at equal intervals, the first roller is in rolling connection with the inner wall of the first roller groove, the lower end cover of the outer side of the seat ring is provided with the second shaft ring, the vertical cantilever main shaft bearing has better sealing performance to the seat ring, the first shaft ring and the second shaft ring, prevents lubricating, and people can conveniently install the first shaft ring and the second shaft ring through the bolts.

Description

Vertical cantilever main shaft bearing

Technical Field

The utility model relates to a bearing technical field specifically is vertical cantilever main shaft bearing.

Background

The hoisting equipment has different purposes and different structures, but all have hoisting mechanisms for realizing the basic action of lifting. Some lifting devices also have running mechanisms, luffing mechanisms, slewing mechanisms or other special working mechanisms. The material can be hung by flexible piece such as wire rope or lifting chain and is gone up and down, also can be by screw rod or other rigid member liftings, and in hoisting equipment, the rotation of vertical cantilever's main shaft needs the bearing to rotate, and the bearing just need bear great axial, radial load like this, and slewing bearing uses very extensively in the real industry, is called by people: the "joint" of machine is an important transmission component necessary for the machinery which needs to make relative rotary motion between two bodies and simultaneously must bear axial force, radial force and tilting moment. With the rapid development of the mechanical industry, the slewing bearing is widely applied to the industries of ship equipment, engineering machinery, light industrial machinery, metallurgical machinery, medical machinery, industrial machinery and the like, most of the existing main shaft bearings for the vertical cantilever are slewing bearing, the existing slewing bearing has poor sealing effect when in use, lubricating oil in the bearing is easy to leak, external impurities are easy to enter the inside of the bearing, the abrasion of the bearing is accelerated, and the existing supporting bearing is inconvenient to assemble. For this purpose, we propose a vertical cantilever spindle bearing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vertical cantilever main shaft bearing 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: vertical cantilever spindle bearing, including seat circle, bearing ring, first shaft ring, first holder, first roller, second shaft ring, second holder, second roller, holding ring, third holder and third roller, the seat circle outside is fixed with the bearing ring, seat circle outside pot head is equipped with first shaft ring, first shaft ring inner wall is close to the one end of bearing ring and the space between the bearing ring has formed first roller groove, first roller inslot wall rotates and is connected with first holder, first holder inner wall equidistance rotates and is connected with first roller, and first roller inslot wall roll connection, the pot head is equipped with the second shaft ring under the seat circle outside, the second roller groove that the space between second shaft ring inner wall and the bearing ring formed, second roller inslot wall rotates and is connected with the second holder, second holder inner wall equidistance rotates and is connected with the second roller, and second roller inslot wall roll connection, the one end that second collar upper surface is close to the bearing ring is fixed with the holding ring, space between first collar inner wall, constant head tank and the bearing ring outside has formed the third roller groove, third roller inslot wall rotates and is connected with the third holder, third holder inner wall equidistance rotates and is connected with the third roller, and third roller inslot wall roll connection, the mounting hole has been seted up to seat circle one side equidistance, threaded hole has been seted up to first collar one side equidistance, the bolt hole with screw hole matched with has been seted up to second collar one side equidistance, first collar and second collar pass through bolt fixed connection.

Preferably, the upper surface of the seat ring is fixed with a first sealing ring, the first sealing ring is in contact with the inner wall of the first shaft ring, the upper end of the inner wall of the first shaft ring is fixed with a second sealing ring, the second sealing ring is in contact with the outer side of the first sealing ring, the lower end of the outer side of the seat ring is fixed with a third sealing ring, and the third sealing ring is in contact with the bottom of the second shaft ring.

Preferably, a sealing groove is formed in the outer sides of the first shaft ring and the second shaft ring, an annular sealing strip is sleeved on the inner wall of the sealing groove, a fixing groove is formed in the inner wall of the sealing groove, semicircular plates are symmetrically clamped on the inner wall of the fixing groove, and the upper end and the lower end of each semicircular plate are fixedly connected with the first shaft ring and the second shaft ring through bolts respectively.

Preferably, the inner walls of the first roller groove, the second roller groove and the third roller groove are all filled with # 2 lithium grease.

Preferably, a gear is fixed on the inner wall of the race.

Preferably, the seat ring and the bearing ring are integrally formed, and the seat ring, the bearing ring, the first shaft ring and the second shaft ring are all subjected to quenching treatment.

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

1. when the utility model is used, the bearing ring is rotated to drive the bearing ring to rotate, the first roller and the second roller in the first roller groove and the second roller groove support the radial force of the bearing ring when the bearing ring rotates, and the bearing ring is clamped between the first shaft ring and the second shaft ring, so that the bearing ring can bear the tipping moment, the third roller supports the bearing ring by an axial force when the bearing ring rotates, so that the bearing ring can simultaneously bear larger axial, radial and tipping moments, when the bearing ring rotates, the first sealing ring on the bearing ring is contacted with the first shaft ring, so that the first sealing ring seals between the bearing ring and the first shaft ring, and the second sealing ring on the first shaft ring covers the outer side of the first sealing ring, the sealing performance can be improved, and when the bearing ring drips from top to bottom, the second sealing ring guides rainwater outwards, so that the rainwater cannot enter between the first sealing rings, third sealing washer one end and second collar contact, can seal second collar and seat circle bottom, and the seal groove endotheca between first collar and the second collar is equipped with annular seal area, make annular seal area seal the space between first collar and the second collar, prevent that the foreign matter from getting into the third roller inslot, and two semicircle boards pass through the bolt fastening on first collar and second collar, make the semicircle board with the fastening of annular seal area tightly in the seal groove, improve sealed effect, this device is to the seat circle, the leakproofness between first collar and the second collar is better, prevent that lubricating oil from leaking and impurity from getting into it in, reduce wearing and tearing, and service life is prolonged.

2. The utility model discloses second collar upper surface is fixed with the holding ring for the holding ring can make first collar and second collar fix a position when first collar is installed with the second collar, makes first collar coaxial with the second collar, so that people install first collar and second collar through the bolt.

Drawings

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

fig. 2 is a schematic view of the partial cross-sectional structure of the present invention.

In the figure: 1. a seat ring; 2. a force bearing ring; 3. a first collar; 4. a first holder; 5. a first roller; 6. a second collar; 7. a second holder; 8. a second roller; 9. a positioning ring; 10. a third cage; 11. a third roller; 12. a first seal ring; 13. a second seal ring; 14. a third seal ring; 15. an annular sealing band; 16. a semicircular plate; 17. a gear.

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 fig. 1-2, the present invention provides a technical solution: vertical cantilever spindle bearing, including seat circle 1, bearing circle 2, first shaft circle 3, first holder 4, first roller 5, second shaft circle 6, second holder 7, second roller 8, holding ring 9, third holder 10 and third roller 11, the seat circle 1 outside is fixed with bearing circle 2, the pot head of seat circle 1 outside is equipped with first shaft circle 3, the first shaft circle 3 inner wall is close to the one end of bearing circle 2 and the space between the bearing circle 2 has formed first roller 5 groove, first roller 5 inslot wall rotates and is connected with first holder 4, the rotation of first holder 4 inner wall equidistance is connected with first roller 5, and first roller 5 and first roller inslot wall roll connection, the pot head is equipped with second shaft circle 6 under the seat circle 1 outside, the second roller groove that the space between second shaft circle 6 inner wall and the bearing circle 2 formed, the inner wall of the second roller groove is rotationally connected with a second retainer 7, the inner wall of the second retainer 7 is rotationally connected with a second roller 8 at equal intervals, the second roller 8 is in rolling connection with the inner wall of the second roller groove, one end, close to the bearing ring 2, of the upper surface of the second shaft ring 6 is fixed with a positioning ring 9, a third roller groove is formed by a gap between the inner wall of the first shaft ring 3, the positioning groove and the outer side of the bearing ring 2, the inner wall of the third roller groove is rotationally connected with a third retainer 10, the inner wall of the third retainer 10 is rotationally connected with a third roller 11 at equal intervals, the third roller 11 is in rolling connection with the inner wall of the third roller groove, mounting holes are formed at equal intervals on one side of the seat ring 1, threaded holes are formed at equal intervals on one side of the first shaft ring 3, bolt holes matched with the threaded holes are formed at equal intervals on one side of the second shaft ring 6, when the bearing ring is used, the bearing ring 2 is driven to rotate by the rotation of the seat ring 1, the first roller 5 and the second roller 8 in the first roller groove and the second roller groove support the radial force of the bearing ring 2 when the seat ring 1 rotates, and the bearing ring 2 is clamped between the first shaft ring 3 and the second shaft ring 6, so that the bearing ring 2 can bear the tilting moment, the third roller 11 supports the bearing ring 2 by the axial force when the bearing ring 2 rotates, and the seat ring 1 can bear the larger axial force, the radial force and the tilting moment simultaneously.

The upper surface of the seat ring 1 is fixedly provided with a first sealing ring 12, the first sealing ring 12 is contacted with the inner wall of the first shaft ring 3, the upper end of the inner wall of the first shaft ring 3 is fixedly provided with a second sealing ring 13, the second sealing ring 13 is contacted with the outer side of the first sealing ring 12, the lower end of the outer side of the seat ring 1 is fixedly provided with a third sealing ring 14, the third sealing ring 14 is contacted with the bottom of the second shaft ring 6, the outer sides of the first shaft ring 3 and the second shaft ring 6 are provided with sealing grooves, the inner wall of each sealing groove is sleeved with an annular sealing strip 15, the inner wall of each sealing groove is provided with a fixing groove, the inner wall of each fixing groove is symmetrically clamped with a semicircular plate 16, the upper end and the lower end of each semicircular plate 16 are fixedly connected with the first shaft ring 3 and the second shaft ring 6 through bolts respectively, and the first sealing ring 12, and the second seal ring 13 on the first shaft ring 3 covers the outside of the first seal ring 12, can improve the leakproofness, and can be when rainwater drips from top to bottom, the second seal ring 13 guides rainwater outwards, make rainwater can not get into between the first seal ring 12, third seal ring 14 one end contacts with second shaft ring 6, can seal second shaft ring 6 and seat circle 1 bottom, and the seal groove endotheca between first shaft ring 3 and the second shaft ring 6 is equipped with annular seal belt 15, make annular seal belt 15 seal the space between first shaft ring 3 and the second shaft ring 6, prevent that the foreign matter from getting into the third roller inslot, and two semicircle boards 16 pass through the bolt fastening on first shaft ring 3 and second shaft ring 6, make semicircle board 16 fasten annular seal belt 15 in the seal groove tightly, improve sealed effect.

And 2# lithium-based lubricating grease is filled in the inner walls of the first roller groove, the second roller groove and the third roller groove, so that the abrasion of the first roller 5, the second roller 8 and the third roller 11 is reduced.

And a gear 17 is fixed on the inner wall of the seat ring 1, so that the seat ring 1 can be driven to rotate conveniently.

The seat ring 1 and the bearing ring 2 are integrally formed, and the seat ring 1, the bearing ring 2, the first shaft ring 3 and the second shaft ring 6 are all subjected to quenching treatment, so that the strength of the seat ring 1, the bearing ring 2, the first shaft ring 3 and the second shaft ring 6 is improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. Vertical cantilever main shaft bearing, including seat circle (1), bearing ring (2), first shaft ring (3), first holder (4), first roller (5), second shaft ring (6), second holder (7), second roller (8), holding ring (9), third holder (10) and third roller (11), its characterized in that: the bearing ring (2) is fixed on the outer side of the seat ring (1), a first shaft ring (3) is sleeved on the upper end of the outer side of the seat ring (1), a first roller (5) groove is formed in the position, close to one end of the bearing ring (2), of the inner wall of the first shaft ring (3) and in the position, close to the bearing ring (2), of the gap between the bearing ring (2), a first roller (5) groove is formed in the rotation mode of the inner wall of the first shaft ring (3), a first roller (4) is connected to the inner wall of the first retainer (4) in an equidistance mode, the first roller (5) is connected to the inner wall of the first roller groove in a rolling mode, a second shaft ring (6) is sleeved on the lower end of the outer side of the seat ring (1), a second roller groove is formed in the gap between the inner wall of the second shaft ring (6) and the bearing ring (2), a second retainer (7) is connected to the, and second roller (8) and second roller inslot wall roll connection, the one end that second collar (6) upper surface is close to bearing ring (2) is fixed with holding ring (9), space between first collar (3) inner wall, constant head tank and the bearing ring (2) outside has formed the third roller groove, third roller inslot wall rotates and is connected with third holder (10), third holder (10) inner wall equidistance rotates and is connected with third roller (11), and third roller (11) and third roller inslot wall roll connection, the mounting hole has been seted up to seat circle (1) one side equidistance, threaded hole has been seted up to first collar (3) one side equidistance, second collar (6) one side equidistance is seted up with threaded hole matched with bolt hole, first collar (3) and second collar (6) are through bolt fixed connection.

2. The vertical cantilever spindle bearing of claim 1, wherein: seat circle (1) upper surface is fixed with first sealing washer (12), and first sealing washer (12) and first shaft collar (3) inner wall contact, first shaft collar (3) inner wall upper end is fixed with second sealing washer (13), and second sealing washer (13) and first sealing washer (12) outside contact, seat circle (1) outside lower extreme is fixed with third sealing washer (14), and third sealing washer (14) and second shaft collar (6) bottom contact.

3. The vertical cantilever spindle bearing of claim 1, wherein: the sealing groove has been seted up in first shaft collar (3) and second shaft collar (6) outside, sealing groove inner wall cover is equipped with annular seal area (15), the fixed slot has been seted up to the sealing groove inner wall, fixed slot inner wall symmetry joint has semicircle board (16), both ends are respectively through bolt and first shaft collar (3) and second shaft collar (6) fixed connection about semicircle board (16).

4. The vertical cantilever spindle bearing of claim 1, wherein: and 2# lithium-based lubricating grease is filled in the inner walls of the first roller groove, the second roller groove and the third roller groove.

5. The vertical cantilever spindle bearing of claim 1, wherein: and a gear (17) is fixed on the inner wall of the seat ring (1).

6. The vertical cantilever spindle bearing of claim 1, wherein: the bearing ring is characterized in that the seat ring (1) and the bearing ring (2) are integrally formed, and the seat ring (1), the bearing ring (2), the first shaft ring (3) and the second shaft ring (6) are all subjected to quenching treatment.