CN114033793A - Eccentric formula slewing bearing of raceway - Google Patents
Eccentric formula slewing bearing of raceway Download PDFInfo
- Publication number
- CN114033793A CN114033793A CN202111199394.4A CN202111199394A CN114033793A CN 114033793 A CN114033793 A CN 114033793A CN 202111199394 A CN202111199394 A CN 202111199394A CN 114033793 A CN114033793 A CN 114033793A
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- supporting
- bearing
- raceway
- wall
- oil
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- 230000005540 biological transmission Effects 0.000 claims abstract description 65
- 239000003921 oil Substances 0.000 claims description 80
- 238000005096 rolling process Methods 0.000 claims description 27
- 239000010687 lubricating oil Substances 0.000 claims description 25
- 239000000956 alloy Substances 0.000 claims description 22
- 229910045601 alloy Inorganic materials 0.000 claims description 22
- 239000011148 porous material Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 210000001503 joint Anatomy 0.000 claims description 8
- 125000006850 spacer group Chemical group 0.000 claims description 8
- 239000000945 filler Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 abstract description 19
- 238000009434 installation Methods 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 abstract 2
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 239000000306 component Substances 0.000 description 2
- 239000008358 core component Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 210000003781 tooth socket Anatomy 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
- F16C19/16—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/32—Balls
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/583—Details of specific parts of races
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/6659—Details of supply of the liquid to the bearing, e.g. passages or nozzles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7803—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings
- F16C33/7806—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings for spherical roller bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
- F16H1/12—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes
- F16H1/16—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising worm and worm-wheel
Abstract
The invention discloses a raceway eccentric slewing bearing, which comprises a bearing base, a bearing inner ring and a bearing outer ring, wherein a bearing protective plate is fixedly arranged at the top of the bearing base, a gasket groove is formed in the middle of the inner wall of the bearing outer ring, a sealing gasket is fixedly connected to the inner wall of the gasket groove, a bearing raceway is formed in the inner wall of the bearing inner ring, one side of the bearing protective plate is connected with one side of the bearing inner ring in a clamping manner through a spigot, the center of the spigot and the center of the bearing raceway are eccentrically arranged, the raceway eccentric slewing bearing provided by the invention has the advantages that the rotation adjusting spigot can drive the bearing inner ring and the bearing outer ring to integrally move by arranging the center of the spigot and the bearing raceway eccentrically, the adjustment of the rotation center distance between the center of the bearing raceway and the center of a transmission worm is realized, so as to obtain a proper meshing transmission distance, the flexibility of equipment installation when using has been improved.
Description
Technical Field
The invention relates to the technical field of slewing bearings, in particular to a raceway eccentric slewing bearing.
Background
The slewing bearing is an extra-large bearing capable of bearing comprehensive load, is also called as a turntable bearing because the shape of the slewing bearing is similar to a plate, and the slewing bearing is generally composed of a worm, a slewing bearing, a shell, a motor and other parts. Because the core component adopts the slewing bearing, the core component can simultaneously bear axial force, radial force and tilting moment. Can bear larger axial load, radial load and overturning moment, and can replace the function of combining and using a plurality of sets of common bearings. The combined bearing is generally suitable for mechanical equipment bearing huge overturning moment and performing relative rotation motion, and has high efficiency and high bearing capacity.
The slewing bearing is widely applied in the actual industry, and is an important transmission element which is necessary for a machine which needs to do relative slewing motion between two objects and simultaneously bears axial force, radial force and tilting moment. With the rapid development of the mechanical industry, the slewing bearing is widely applied to the industries such as ship equipment, engineering machinery, light industry machinery, metallurgical machinery, medical machinery, industrial robots, tunnel boring machines, revolving stages and the like.
The components of the existing slewing bearing are fixedly arranged after the existing slewing bearing is installed, and cannot be adjusted according to actual use requirements to obtain a proper meshing transmission distance, so that the use flexibility is poor; and when the existing slewing bearing is filled with lubricating oil, the lubricating oil can only be stored in the gap of the rolling body, so that the existing slewing bearing is low in storage amount and easy to completely consume, frequent adding is required in the subsequent use process, and inconvenience is brought to a user.
Disclosure of Invention
The invention aims to provide a raceway eccentric slewing bearing to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a raceway eccentric slewing bearing comprises a bearing base, a bearing inner ring and a bearing outer ring, wherein the top of the bearing base is fixedly provided with a bearing guard plate, a gasket groove is arranged in the middle of the inner wall of the supporting outer ring, a sealing gasket is fixedly connected with the inner wall of the gasket groove, the inner wall of the supporting inner ring is provided with a supporting roller path, one side of the supporting guard plate is connected with one side of the supporting inner ring in a clamping way through a spigot, the edge of the outer wall of the supporting inner ring is fixedly connected with a butt-joint ring, the outer wall of the butt-joint ring is connected with one side of the inner wall of the supporting outer ring in a sliding way, rolling grooves are respectively arranged in the middle of the outer wall of the bearing inner ring and the middle of the outer wall of the bearing outer ring, one sides of the two rolling grooves are aligned with each other, and the rolling bodies are rotatably connected in the rolling cavities, and the centers of the spigots and the center of the supporting roller path are eccentrically arranged.
As a further scheme of the invention: one side of the outer wall of the supporting outer ring is fixedly connected with an annular sheet, one side of the annular sheet is fixedly connected with a framework oil seal, the center of the framework oil seal and the center of the supporting raceway are eccentrically arranged, and the center of the framework oil seal and the center of the spigot are aligned and consistent along the axial direction; the outer ring of one side of the supporting protection plate is fixedly connected with a mounting ring, one side of the inner wall of the mounting ring is fixedly connected with a shielding fixing plate, and the shielding fixing plate is in abutting contact with one side of the framework oil seal.
As a further scheme of the invention: the supporting base comprises a base box, two ends of the base box are fixedly connected with bearing supports, the middle parts of the two bearing supports are rotatably connected with transmission shafts, and one end of one of the transmission shafts is provided with a butt joint transmission port; one of the bearing supports is fixedly provided with a packaging cover, the two transmission shafts are fixedly connected through a transmission worm, outer ring teeth are fixedly arranged on the outer wall of the bearing outer ring, and the bottoms of the outer ring teeth are in meshed transmission connection with the middle of the transmission worm.
As a further scheme of the invention: a plurality of auxiliary bearing pieces which are uniformly distributed are fixedly arranged on two sides of the inner wall of the base box, the auxiliary bearing pieces are equidistantly distributed along the circumferential direction of the transmission shaft, each auxiliary bearing piece comprises a limiting block, a limiting groove is formed in one side of the limiting block, a guide column is rotatably connected to the inner wall of the limiting groove, and a guide groove is formed in the outer wall of the guide column; the two ends of the transmission worm are provided with expansion parts, the outer walls of the two expansion parts are provided with side tooth grooves, and the side tooth grooves are meshed with the guide grooves.
As a further scheme of the invention: the rolling element includes a plurality of equidistant distribution's alloy ball, the alloy ball is made for the hard chrome alloy of Gcr, a plurality of all be provided with the spacer between the alloy ball, the spacer both sides set up to the concave surface, two the equal fixedly connected with in center of concave surface supports the ejector pad, the cavity has been seted up at the middle part of spacer, two the edge portion of concave surface all sets up the oilhole that passes through that a plurality of equidistance distributes, a plurality of the one end that passes through the oilhole all is linked together with the cavity is inside, a plurality of charge door, a plurality of have been seted up at the middle part of spacer the equal fixedly connected with toper passage in one side of charge door, the internal diameter of toper passage inwards reduces gradually.
As a further scheme of the invention: a plurality of oil injection holes which are uniformly distributed are formed in one side of the supporting outer ring, an oil injection valve is connected to the inner wall of each oil injection hole in a clamping mode and comprises a sealing sheet, a sealing plug is fixedly connected to one side of the sealing sheet and is in a spindle shape with a large middle part and small two ends, and the end part of the sealing plug is abutted against and in contact with the oil guide pore; and the bottom of the inner wall of the oil filling hole is provided with an oil guide pore, and the oil guide pore is bent and communicated with the rolling cavity.
As a further scheme of the invention: the use method of the slewing bearing comprises the following steps:
the method comprises the following steps: the supporting base is fixedly arranged at a using position, an equipment shaft body to be supported penetrates through and is fixed by a supporting raceway, the rotating part of the equipment to be supported is fixed with a supporting outer ring, the output end of an external driving motor is fixedly connected with a butt joint transmission port, and a driving worm is driven to rotate by a driving transmission shaft so as to drive the supporting outer ring and the rotating part of the equipment to rotate;
step two: lubricating oil is filled through the oil filling hole, so that the lubricating oil enters the rolling cavity along the oil guide fine hole to lubricate the alloy ball, the oil filling valve is plugged into the oil filling hole, the oil filling hole is sealed, and the lubricating oil excess is pushed into the oil filling fine hole through the oil filling valve;
step three: the rotation spigot drives the inner bearing ring to rotate, further drives the center of the raceway to deviate, and simultaneously enables the inner bearing ring and the outer bearing ring to displace, so that the rotation center distance between the center of the bearing raceway and the center of the transmission worm is adjusted, and a proper meshing distance is obtained.
Compared with the prior art, the invention has the beneficial effects that: according to the eccentric slewing bearing of the raceway, the spigot is arranged, and the center of the spigot and the supporting raceway are eccentrically arranged, so that the rotation adjusting spigot can drive the supporting inner ring and the supporting outer ring to integrally move, the rotation center distance between the center of the supporting raceway and the center of a transmission worm is adjusted, a proper meshing transmission distance is obtained, and the flexibility of the equipment during installation and use is improved; the cavity is formed in the isolating block, and the oil penetrating hole and the conical material guide pipe which are communicated with the cavity are arranged, so that more lubricating oil can be reserved in the rolling body, the pushing block is extruded when the alloy ball moves, the lubricating oil in the cavity penetrates out of the oil penetrating hole, the alloy ball is lubricated, and the trouble of frequently adding the lubricating oil is avoided; the auxiliary bearing parts distributed at equal intervals are arranged to support the transmission shaft and the transmission worm, so that the stability of transmission and mounting structures during the operation of the equipment is improved.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional view of the support base of the present invention;
FIG. 3 is a side cross-sectional view of the present invention;
FIG. 4 is a schematic structural view of a rolling element according to the present invention;
FIG. 5 is a cross-sectional view of a spacer of the present invention;
FIG. 6 is a cross-sectional view of the fill valve of the present invention.
In the figure: 1. a support base; 2. a support inner ring; 3. a support outer ring; 4. a support shield; 5. a sealing gasket; 6. stopping the opening; 7. a rolling chamber; 8. a supporting raceway; 9. an annular sheet; 10. framework oil seal; 11. a mounting ring; 12. a shield fixing plate; 13. a base case; 14. a load bearing support; 15. a drive shaft; 16. butting a transmission port; 17. a drive worm; 18. outer ring teeth; 19. a limiting block; 20. a guide post; 21. an expansion part; 22. alloy balls; 23. an isolation block; 24. pushing the block; 25. a cavity; 26. an oil penetration hole; 27. an oil filler hole; 28. oil-guiding pores; 29. a conical material guide pipe; 30. a sealing sheet; 31. and (4) sealing the plug.
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. 1-6, a raceway eccentric slewing bearing comprises a supporting base 1, a supporting inner ring 2 and a supporting outer ring 3, wherein a supporting guard plate 4 is fixedly installed at the top of the supporting base 1, a gasket groove is formed in the middle of the inner wall of the supporting outer ring 3, a sealing gasket 5 is fixedly connected to the inner wall of the gasket groove, a supporting raceway 8 is formed in the inner wall of the supporting inner ring 2, one side of the supporting guard plate 4 is connected with one side of the supporting inner ring 2 in a clamping manner through a spigot 6, the edge of the outer wall of the supporting inner ring 2 is fixedly connected with a butt-joint ring, the outer wall of the butt-joint ring is connected with one side of the inner wall of the supporting outer ring 3 in a sliding way, rolling grooves are respectively arranged in the middle of the outer wall of the supporting inner ring 2 and the middle of the outer wall of the supporting outer ring 3, one sides of the two rolling grooves are aligned with each other, the rolling bodies are rotatably connected inside the rolling cavity 7, and the center of the spigot 6 and the center of the supporting roller path 8 are eccentrically arranged; the seam allowance 6 is provided with a male ridge and a female ridge, the female ridge is provided with an annular groove and is arranged on the supporting protection plate 4, the male ridge is an annular convex part and is fixedly connected with the supporting inner ring 2, and the female ridge and the male ridge are connected in a clamping manner and can rotate mutually to jointly form a seam allowance 6 structure; through setting up tang 6 to with the eccentric settings of the center of tang 6 and supporting raceway 8, make to rotate and adjust tang 6 and can drive supporting inner circle 2 and supporting outer lane 3 and wholly move, realize the regulation to the centre of rotation distance of supporting raceway 8 center and transmission worm 17 center, in order to obtain suitable meshing transmission interval, flexibility when having improved equipment fixing and use.
One side of the outer wall of the supporting outer ring 3 is fixedly connected with an annular sheet 9, one side of the annular sheet 9 is fixedly connected with a framework oil seal 10, the center of the framework oil seal 10 and the center of the supporting raceway 8 are eccentrically arranged, and the center of the framework oil seal 10 and the center of the spigot 6 are aligned and consistent along the axial direction; the outer ring of one side of the supporting guard plate 4 is fixedly connected with a mounting ring 11, one side of the inner wall of the mounting ring 11 is fixedly connected with a shielding and fixing plate 12, and the shielding and fixing plate 12 is in abutting contact with one side of the framework oil seal 10; by eccentrically arranging the center of the framework oil seal 10 and the center of the supporting raceway 8, the framework oil seal 10 can adapt to the rotation of the spigot 6, and good sealing performance can be ensured in the adjusting process of the spigot 6.
The supporting base 1 comprises a base box 13, two ends of the base box 13 are fixedly connected with bearing supports 14, the middle parts of the two bearing supports 14 are rotatably connected with transmission shafts 15, and one end of one transmission shaft 15 is provided with a butt joint transmission port 16; one of the bearing supports 14 is fixedly provided with a packaging cover, the two transmission shafts 15 are fixedly connected through a transmission worm 17, the outer wall of the bearing outer ring 3 is fixedly provided with outer ring teeth 18, and the bottoms of the outer ring teeth 18 are in meshing transmission connection with the middle part of the transmission worm 17; through setting up transmission shaft 15 and carrying out stable connection with transmission worm 17 and both sides bearing support 14, through seting up butt joint transmission mouth 16 in transmission shaft 15 one end for it is all more convenient with the connection and the dismantlement of external driving source.
A plurality of auxiliary bearing pieces which are uniformly distributed are fixedly arranged on two sides of the inner wall of the base box 13, the auxiliary bearing pieces are equidistantly distributed along the circumferential direction of the transmission shaft 15, each auxiliary bearing piece comprises a limiting block 19, a limiting groove is formed in one side of the limiting block 19, a guide post 20 is rotatably connected to the inner wall of the limiting groove, and a guide groove is formed in the outer wall of the guide post 20; the two ends of the transmission worm 17 are provided with expansion parts 21, the outer walls of the two expansion parts 21 are provided with side tooth sockets, and the side tooth sockets are meshed with the guide grooves; the auxiliary bearing parts distributed at equal intervals are arranged to support the transmission shaft 15 and the transmission worm 17, so that the stability of the transmission structure and the installation structure during the operation of the equipment is improved.
The rolling element comprises a plurality of alloy balls 22 distributed at equal intervals, the alloy balls 22 are made of Gcr15 hard chrome alloy, isolating blocks 23 are arranged between the alloy balls 22, concave surfaces are arranged on two sides of each isolating block 23, pushing blocks 24 are fixedly connected to the centers of the two concave surfaces, a cavity 25 is formed in the middle of each isolating block 23, a plurality of oil penetrating holes 26 distributed at equal intervals are formed in the edge portions of the two concave surfaces, one ends of the oil penetrating holes 26 are communicated with the inside of the cavity 25, a plurality of feed ports are formed in the middle of each isolating block 23, conical guide pipes 29 are fixedly connected to one sides of the feed ports, and the inner diameters of the conical guide pipes 29 are gradually reduced inwards; the cavity 25 is formed in the isolation block 23, and the oil penetrating hole 26 and the conical guide pipe 29 which are communicated with the cavity 25 are arranged, so that more lubricating oil can be reserved in the rolling body, the pushing block 24 is extruded when the alloy ball 22 moves, the lubricating oil in the cavity 25 penetrates out along the oil penetrating hole 26, the alloy ball 22 is lubricated, and the trouble of frequently adding the lubricating oil is avoided.
One side of the supporting outer ring 3 is provided with a plurality of oil injection holes 27 which are uniformly distributed, the inner walls of the oil injection holes 27 are connected with an oil injection valve in a clamping manner, the oil injection valve comprises a sealing sheet 30, one side of the sealing sheet 30 is fixedly connected with a sealing plug 31, the sealing plug 31 is arranged in a spindle shape with a large middle part and two small ends, and the end part of the sealing plug 31 is abutted against and contacted with the oil guide pore 28; an oil guide pore 28 is formed at the bottom of the inner wall of the oil filling hole 27, and the oil guide pore 28 is bent and communicated with the rolling cavity 7; the one end that the sealing gasket 30 was kept away from to sealing plug 31 is fixedly connected with shutoff piece still, the diameter of shutoff piece and the internal diameter phase-match of leading oil pore 28, lead oil pore 28 and buckle the setting and can effectively avoid lubricating oil along leading oil pore 28 adverse current, fill in oil filler point 27 with the oiling valve, seal oil filler point 27 and through the oiling valve with during lubricating oil clout pushes away the oiling pore, realize the stable closure to oil filler point 27.
The use method of the slewing bearing comprises the following steps:
the method comprises the following steps: the supporting base 1 is fixedly arranged at a use position, an equipment shaft body to be supported penetrates through and is fixed by a supporting raceway 8, the rotating part of the equipment to be supported is fixed with a supporting outer ring 3, the output end of an external driving motor is fixedly connected with a butt joint transmission port 16, a transmission worm 17 is driven to rotate by a driving transmission shaft 15, and then the supporting outer ring 3 and the rotating part of the equipment are driven to rotate;
step two: lubricating oil is filled through the oil filling hole 27, so that the lubricating oil enters the rolling cavity 7 along the oil guide fine hole 28 to lubricate the alloy ball 22, the oil filling valve is plugged into the oil filling hole 27, the oil filling hole 27 is sealed, and the residual lubricating oil is pushed into the oil filling fine hole through the oil filling valve;
step three: the spigot 6 is rotated to drive the inner supporting ring 2 to rotate, so as to drive the center of the raceway to deviate, and simultaneously, the inner supporting ring 2 and the outer supporting ring 3 are displaced, so that the rotating center distance between the center of the supporting raceway 8 and the center of the transmission worm 17 is adjusted, and a proper meshing distance is obtained.
When the device is used, the supporting base 1 is fixedly arranged at a using position, an equipment shaft body to be supported penetrates through and is fixed by the supporting roller path 8, the rotating part of the equipment to be supported is fixed with the supporting outer ring 3, the output end of an external driving motor is fixedly connected with the butt joint transmission port 16, the driving transmission shaft 15 drives the transmission worm 17 to rotate, the supporting outer ring 3 and the rotating part of the equipment are further driven to rotate, the rotation of the transmission worm 17 synchronously drives the expansion parts 21 at two sides to rotate, and further drives the guide posts 20 at two sides to rotate, so that the stable transmission and the limiting of the transmission shaft 15 and the transmission worm 17 are realized;
supplementing lubricating oil through the oil filling hole 27, enabling the lubricating oil to enter the rolling cavity 7 along the oil guide fine hole 28 to lubricate the alloy ball 22, plugging the oil filling valve into the oil filling hole 27, sealing the oil filling hole 27, pushing the residual lubricating oil into the oil filling fine hole through the oil filling valve, enabling the lubricating oil entering the oil guide fine hole 28 to enter the rolling cavity 7, enabling the later lubricating oil to enter a gap between the alloy ball 22 and the isolating block 23 or enter the cavity 25 along the tapered material guide pipe 29, and during the use process, moving the alloy ball 22 to extrude the pushing block 24 to extrude the whole isolating block 23, enabling the lubricating oil in the cavity 25 to penetrate out along the oil penetrating hole 26 and lubricating the alloy ball 22;
when the meshing distance between the outer ring teeth 18 and the middle part of the transmission worm 17 needs to be adjusted, the spigot 6 can be rotated to drive the supporting inner ring 2 to rotate, and because the center of the spigot 6 and the center of the supporting raceway 8 are eccentrically arranged, the rotation of the spigot 6 can drive the center of the supporting raceway 8 to deviate, and meanwhile, the supporting inner ring 2 and the supporting outer ring 3 are enabled to displace, so that the rotating center distance between the center of the supporting raceway 8 and the center of the transmission worm 17 is adjusted, a proper meshing distance is obtained, and the use flexibility is improved.
"fixedly connected" as described in the present invention means that two parts connected to each other are fixed together, typically by welding, screwing or gluing; "rotationally coupled" means that two components are coupled together and capable of relative motion.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (7)
1. The utility model provides an eccentric slewing bearing of raceway, includes supporting base (1), supporting inner circle (2) and supporting outer lane (3), the top fixed mounting of supporting base (1) has supporting backplate (4), the gasket groove has been seted up at the middle part of supporting outer lane (3) inner wall, the inner wall fixedly connected with seal ring (5) in gasket groove, supporting raceway (8) have been seted up to the inner wall of supporting inner circle (2), its characterized in that, one side of supporting backplate (4) is passed through tang (6) and is connected with one side block of supporting inner circle (2), the border fixedly connected with butt ring of supporting inner circle (2) outer wall, the outer wall of butt ring and one side sliding connection of supporting outer lane (3) inner wall, the rolling groove has all been seted up at the middle part of supporting inner circle (2) outer wall and the middle part of supporting outer lane (3) outer wall, and one side of two rolling grooves is adjusted well each other and is set up, and the rolling bodies are rotatably connected in the rolling cavity (7), and the center of the spigot (6) and the center of the supporting roller path (8) are eccentrically arranged.
2. The eccentric raceway slewing bearing according to claim 1, wherein one side of the outer wall of the outer bearing ring (3) is fixedly connected with an annular sheet (9), one side of the annular sheet (9) is fixedly connected with a framework oil seal (10), the center of the framework oil seal (10) is eccentrically arranged with the center of the bearing raceway (8), and the centers of the framework oil seal (10) and the spigot (6) are axially aligned; the outer ring of one side of the supporting protection plate (4) is fixedly connected with a mounting ring (11), one side of the inner wall of the mounting ring (11) is fixedly connected with a shielding fixing plate (12), and the shielding fixing plate (12) is in abutting contact with one side of the framework oil seal (10).
3. The eccentric raceway slewing bearing according to claim 1, wherein the bearing base (1) comprises a base box (13), the two ends of the base box (13) are fixedly connected with bearing brackets (14), the middle parts of the two bearing brackets (14) are rotatably connected with transmission shafts (15), and one end of one transmission shaft (15) is provided with a butt joint transmission port (16); the two transmission shafts (15) are fixedly connected through a transmission worm (17), outer ring teeth (18) are fixedly arranged on the outer wall of the supporting outer ring (3), and the bottoms of the outer ring teeth (18) are in meshing transmission connection with the middle of the transmission worm (17).
4. The raceway eccentric slewing bearing according to claim 3, wherein a plurality of auxiliary bearing members are fixedly mounted on both sides of the inner wall of the base box (13), the auxiliary bearing members are uniformly distributed and comprise limit blocks (19), limit grooves are formed in one sides of the limit blocks (19), guide posts (20) are rotatably connected to the inner walls of the limit grooves, and guide grooves are formed in the outer walls of the guide posts (20); expansion parts (21) are arranged at two ends of the transmission worm (17), side tooth grooves are formed in the outer walls of the two expansion parts (21), and the side tooth grooves are meshed with the guide grooves and connected with the guide grooves.
5. The raceway eccentric slewing bearing according to claim 1, wherein the rolling element comprises a plurality of alloy balls (22) distributed at equal intervals, a spacer (23) is arranged between each of the alloy balls (22), concave surfaces are arranged on two sides of the spacer (23), a thrust block (24) is fixedly connected to the centers of the two concave surfaces, a cavity (25) is formed in the middle of the spacer (23), a plurality of oil penetrating holes (26) distributed at equal intervals are formed in the edge portions of the two concave surfaces, and one ends of the oil penetrating holes (26) are communicated with the inside of the cavity (25).
6. The eccentric raceway slewing bearing according to claim 1, wherein a plurality of oil filler holes (27) are uniformly distributed on one side of the outer bearing ring (3), and an oil filler valve is connected to the inner wall of each oil filler hole (27) in a clamping manner; and an oil guide pore (28) is formed at the bottom of the inner wall of the oil filling hole (27).
7. A raceway eccentric slewing bearing according to claim 1, characterized in that the method of use of the slewing bearing comprises the steps of:
the method comprises the following steps: the supporting base (1) is fixedly arranged at a use position, an equipment shaft body to be supported penetrates through and is fixed by a supporting raceway (8), the rotating part of the equipment to be supported is fixed with a supporting outer ring (3), the output end of an external driving motor is fixedly connected with a butt joint transmission port (16), a transmission worm (17) is driven to rotate by a driving transmission shaft (15), and then the supporting outer ring (3) and the rotating part of the equipment are driven to rotate;
step two: lubricating oil is filled through the oil filling hole (27), so that the lubricating oil enters the rolling cavity (7) along the oil guide fine hole (28) to lubricate the alloy ball (22), the oil filling valve is plugged into the oil filling hole (27), the oil filling hole (27) is sealed, and the residual lubricating oil is pushed into the oil filling fine hole;
step three: the supporting inner ring (2) is driven to rotate by rotating the spigot (6), so that the center of the raceway is driven to deviate, and meanwhile, the supporting inner ring (2) and the supporting outer ring (3) are displaced, so that the rotating center distance between the center of the supporting raceway (8) and the center of the transmission worm (17) is adjusted, and a proper meshing distance is obtained.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111199394.4A CN114033793A (en) | 2021-10-14 | 2021-10-14 | Eccentric formula slewing bearing of raceway |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111199394.4A CN114033793A (en) | 2021-10-14 | 2021-10-14 | Eccentric formula slewing bearing of raceway |
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| CN114033793A true CN114033793A (en) | 2022-02-11 |
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| CN202111199394.4A Pending CN114033793A (en) | 2021-10-14 | 2021-10-14 | Eccentric formula slewing bearing of raceway |
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| CN209587082U (en) * | 2019-01-17 | 2019-11-05 | 江苏迪思朗环境科技有限公司 | A kind of device for revolving and driving |
| US20200102002A1 (en) * | 2018-09-27 | 2020-04-02 | Trw Automotive Gmbh | Worm shaft articulation control method for eps worm gears |
| CN214274262U (en) * | 2020-12-31 | 2021-09-24 | 常州奥旋重型轴承有限公司 | Slewing bearing with double-roller-way structure |
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| CN103382991A (en) * | 2012-04-23 | 2013-11-06 | Skf公司 | Wear compensation device for a gear set and associated mounting method |
| CN204358058U (en) * | 2014-11-27 | 2015-05-27 | 江阴凯迈机械有限公司 | A kind of variable-pitch worm device for revolving and driving |
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