CN107956793B - A kind of thrust ball bearing and the excavator including thrust ball bearing - Google Patents
A kind of thrust ball bearing and the excavator including thrust ball bearing Download PDFInfo
- Publication number
- CN107956793B CN107956793B CN201711258780.XA CN201711258780A CN107956793B CN 107956793 B CN107956793 B CN 107956793B CN 201711258780 A CN201711258780 A CN 201711258780A CN 107956793 B CN107956793 B CN 107956793B
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- China
- Prior art keywords
- flange
- base flange
- blowout patche
- wall
- base
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Classifications
-
- 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
- F16C19/10—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for axial load mainly
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/3604—Devices to connect tools to arms, booms or the like
- E02F3/3677—Devices to connect tools to arms, booms or the like allowing movement, e.g. rotation or translation, of the tool around or along another axis as the movement implied by the boom or arms, e.g. for tilting buckets
- E02F3/3681—Rotators
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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
- F16C33/30—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
- F16C33/6681—Details of distribution or circulation inside the bearing, e.g. grooves on the cage or passages in the rolling elements
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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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2350/00—Machines or articles related to building
- F16C2350/26—Excavators
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
A kind of thrust ball bearing and the excavator including thrust ball bearing.The thrust ball bearing includes flange shape pedestal and flange shape blowout patche, flange shape pedestal includes base flange plate and base flange pipe, flange shape blowout patche includes blowout patche ring flange and blowout patche flanged pipe, base flange pipe is equipped with groove, base flange pipe is divided by groove: base flange inner tube and base flange outer tube, channel bottom is equipped with bearing base, and retainer rolling element both ends are respectively placed in bearing base raceway and blowout patche flange end surfaces raceway；Base flange outer tube is equipped with oil permeable hole, and base flange outer tube is equipped with left reinforcing rib, right reinforcing rib, and base flange outer tube periphery is equipped with housing, and the cavity constituted between the outer wall of base flange outer tube, the inner wall of housing, end plate and base flange plate inner wall is shoe cream room.A kind of excavator including thrust ball bearing as previously described.Using the present invention, the presence of shoe cream room, so that oil reserve increases, high lubricating effect, favorable sealing property, the several years is without maintenance.
Description
Technical field
The present invention relates to a kind of thrust ball bearing and including the excavator of thrust ball bearing.
Background technique
When existing excavator bucket is coupled with head of the horse by bucket pin, between inevitably being generated between head of the horse and bucket bucket ear
Gap, industry widespread practice are to install plain washer additional between head of the horse and bucket ear to eliminate gap.When excavator works, head of the horse does not turn
Dynamic, bucket ear rotates together with bucket pin, certainly will generate serious unlubricated friction between head of the horse and plain washer, between bucket ear and plain washer
It wipes, leads to head of the horse and bucket ear serious wear, serious dry friction is bound to a large amount of power of consumption of engine.
Summary of the invention
The technical problem to be solved by the present invention is to overcome drawbacks described above of the existing technology, provide a kind of thrust ball axis
Hold and its replace between head of the horse and bucket ear the excavator of plain washer.
The present invention the technical solution to solve the technical problem is that:
A kind of thrust ball bearing, including flange shape pedestal and flange shape blowout patche, flange shape pedestal include base flange plate and
Base flange pipe, flange shape blowout patche include blowout patche ring flange and blowout patche flanged pipe, the center of base flange plate and base flange pipe
Center be equipped with interconnected through-hole, the center of blowout patche ring flange and the center of blowout patche flanged pipe be equipped be interconnected it is logical
Hole, blowout patche ring flange are set to one end of blowout patche flanged pipe, and base flange plate is set to one end of base flange pipe, base flange pipe
The other end is equipped with cylindrical circular groove, and groove extends from the other end face of base flange pipe towards base flange plate direction；
Base flange pipe is divided into two parts by groove: close to the base flange inner tube of base flange tube hub through-hole and far from base flange
The base flange outer tube of tube hub through-hole, the bottom of groove are equipped with bearing base, and bearing base is equipped with raceway, and blowout patche flanged pipe is stretched
Enter in groove, retainer is set between bearing base and blowout patche flanged pipe, and blowout patche flanged pipe is also equipped with close to the end face of retainer
Raceway, retainer are equipped with rolling element, and rolling element both ends are respectively placed in the rolling of the raceway and blowout patche flange end surfaces of bearing base
In road；The middle part circumference of base flange outer tube is equipped with oil permeable hole, and oil permeable hole penetrates base flange from the outer wall of base flange outer tube
The inner wall of outer tube, the left end outer wall of base flange outer tube are evenly distributed in left reinforcing rib, left reinforcing rib and base flange outer tube
Left end outer wall is connected, and the right end outer wall circumference of base flange outer tube is also evenly equipped with right reinforcing rib, outside right reinforcing rib and base flange
The right end outer wall of pipe is connected, and left reinforcing rib and right reinforcing rib are respectively arranged on oil permeable hole two sides, and base flange outer tube periphery is equipped with outer
Set, puts on outside equipped with tank filler sleeve, and left reinforcing rib and right reinforcing rib are set between the outer wall of base flange outer tube and the inner wall of housing,
Housing one end is welded on the inner wall of base flange plate, and the housing other end is equipped between hermetically sealed case and base flange outer tube
The end plate in gap, the cavity constituted between the outer wall of base flange outer tube, the inner wall of housing, end plate and base flange plate inner wall are
Shoe cream room.
Further, the outer wall port of base flange inner tube is equipped with first piston annular groove, and first piston annular groove is provided with first
Piston ring；The inner wall port of blowout patche flanged pipe is in the shape of a trumpet, and bell-mouthed full-size is greater than the free ruler of first piston ring
It is very little, in favor of realizing the assembly of first piston ring；The outer wall of base flange inner tube is realized and blowout patche flange by first piston ring
The inner wall of pipe is tightly connected.
Further, the outer wall port of blowout patche flanged pipe is equipped with second-ring groove, and it is living that second-ring groove is provided with second
Plug ring；The inner wall port of base flange outer tube is in the shape of a trumpet, and bell-mouthed full-size is greater than the free ruler of second piston ring
It is very little, in favor of realizing the assembly of second piston ring；The inner wall of base flange outer tube is realized and blowout patche flange by second piston ring
The outer wall of pipe is tightly connected.
Further, drain oil can be also equipped with by putting on outside.Plug screw is equipped in tank filler sleeve and drain oil.When practical application, refuel
Hole and drain oil can share.
Further, the section of first piston ring is circle.The section of second piston ring is also round.The number of first piston ring
Amount at least two.The quantity at least two of second piston ring.First piston ring is equipped with opening, is open with first piston ring
Opposite one end is set there are two pin, and two pins are fixed on the inner wall of first piston ring, the opening phase of each first piston ring
Be staggered 180 degree between mutually, and two pins are symmetrically set in the middle line two sides of first piston ring opening.The slot bottom of first piston annular groove is equal
Equipped with one group of pin hole, pin hole is circular hole or square hole etc., preferably circular hole, and two pin holes constitute one group, each group pin hole phase
Mutually be staggered 180 degree.Second piston ring is equipped with opening, sets with the second piston ring opposite one end that is open there are two pin, two
Pin is fixed on the inner wall of second piston ring, and the opening of each second piston ring is staggered 180 degree between each other, and two pins are symmetrical
Set on the middle line two sides of second piston ring opening.The slot bottom of second-ring groove is equipped with one group of pin hole, and pin hole is circular hole
Or square hole etc., preferably circular hole, two pin holes constitute one group, each group pin hole mutually staggers 180 degree.
Blowout patche ring flange is structure as a whole with blowout patche flanged pipe, and base flange plate is also structure as a whole with base flange pipe.
The diameter for the through-hole that the center of base flange plate and the center of base flange pipe are interconnected is greater than the straight of bucket pin
Diameter, in favor of preventing excavator bucket pin from disturbing thrust ball bearing when rotating.
The base flange plate of flange shape pedestal is equipped with flange hole, and the end of the head of the horse of excavator is equipped with and base flange plate
The compatible threaded hole of flange hole, base flange plate is connected by the bolt that is placed in flange hole and threaded hole and head of the horse.
The blowout patche ring flange of flange shape blowout patche is equipped with flange hole, and the end of the bucket ear of excavator is equipped with and blowout patche ring flange
The compatible threaded hole of flange hole, blowout patche ring flange is connected by the bolt that is placed in flange hole and threaded hole and bucket ear.
A kind of excavator including thrust ball bearing as previously described.
Base flange plate and head of the horse are connected, since the head of the horse of excavator is fixed, so flange shape pedestal does not rotate；Axis
The bucket ear for enclosing ring flange and excavator is connected, and the bucket ear and excavator bucket of excavator are connected, and when excavator work, excavates
The bucket of machine drives bucket ear rotation, and the rotation for the ear that struggles against drives blowout patche flanged pipe to rotate in the trench, realizes blowout patche ring flange and axis
The flange shape blowout patche unitary rotation that flanged pipe is constituted is enclosed, so that between head of the horse and thrust ball bearing, bucket ear and thrust ball bearing not
There are dry friction, motion mode changes into thrust ball bearing roll mode by dry friction, and engine load mitigates.
Adjusting pad can be set between blowout patche ring flange and the bucket ear of excavator, the quantity by increasing and decreasing adjusting pad can adjust blowout patche
Axial gap between ring flange and the bucket ear of excavator.
When practical application, head of the horse both ends can be respectively provided with the thrust ball bearing of a present invention, and head of the horse both ends pass through phase respectively
The thrust ball bearing answered realizes the connection with two bucket ears of excavator.
It, can be in the outer wall of bucket pin circle for the bucket pin between the head of the horse and bucket of connecting excavator when practical application
Zhou Junbu is good for slot, and bucket ear inner wall circumference is also uniformly good for slot, and strong slot is provided with strong, prevents from turning between bucket pin outer wall and bucket ear inner wall
It is dynamic.
When being installed using the thrust ball bearing of the present invention and head of the horse, the bucket ear of excavator, should first it pacify at head of the horse both ends
The thrust ball bearing for filling the present invention adjusts blowout patche flange by the adjusting pad quantity between increase and decrease bucket ear and blowout patche ring flange
Axial gap between disk and the bucket ear of excavator.At this point, by the peace between the thrust ball bearing of the present invention, bucket ear, bucket pin
Holding position is to good, to ensure that bucket pin can be installed smoothly.
Various types can be made according to different demands in thrust ball bearing in the present invention, widened thrust ball bearing application model
It encloses.
Use the thrust ball bearing of the present invention, not only alternative existing plain washer, and the bucket of blowout patche ring flange and excavator
Axial gap between ear is adjustable.The presence of shoe cream room, so that oil reserve increases, thus the thrust ball bearing of the present invention be can be used
Gear oil lubrication, gear oil enters shoe cream room from tank filler sleeve, then enters inside thrust ball bearing through oil permeable hole, high lubricating effect,
Lubricating oil will not leak, favorable sealing property, and the several years is without maintenance.Using the present invention, so that between head of the horse and plain washer,
The serious dry friction generated between bucket ear and plain washer is eliminated, and motion mode is changed into thrust ball bearing by dry friction and rolled
Mode, in favor of mitigating engine load.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the thrust ball bearing of the present invention；
Fig. 2 is the side view after retainer and rolling element assembling；
Fig. 3 is the side view of bearing base；
Fig. 4 is the side view of flange shape blowout patche；
Fig. 5 is the side view after housing and flange shape pedestal assembling removal end plate；
Fig. 6 is the structural schematic diagram of first piston ring；
Fig. 7 is the structural schematic diagram of second piston ring.
In figure: 1 --- flange shape pedestal；1-1 --- base flange plate；1-2 --- base flange pipe；1-21 --- pedestal
Flange inner tube；1-22 --- base flange outer tube；2 --- flange shape blowout patche；2-1 --- blowout patche ring flange；2-2 --- blowout patche method
Lan Guan；3 --- bearing base；4 --- retainer；5 --- rolling element；6 --- oil permeable hole；7 --- left reinforcing rib；8 --- it is right
Reinforcing rib；9 --- housing；10 --- tank filler sleeve；11 --- end plate；12 --- first piston ring；13 --- second piston ring；
14 --- the pin on first piston ring；15 --- the pin on second piston ring；16 --- the flange hole on base flange plate；
17 --- the flange hole on blowout patche ring flange；18 --- the raceway on bearing base；19 --- the raceway of blowout patche flange end surfaces；
20 --- groove.
Specific embodiment
Below in conjunction with drawings and examples, the invention will be further described.
Referring to attached drawing, a kind of thrust ball bearing, including flange shape pedestal 1 and flange shape blowout patche 2, flange shape pedestal 1 include
Base flange plate 1-1 and base flange pipe 1-2, flange shape blowout patche 2 include blowout patche ring flange 2-1 and blowout patche flanged pipe 2-2, pedestal
The center of ring flange 1-1 and the center of base flange pipe 1-2 are equipped with interconnected through-hole, the center of blowout patche ring flange 2-1 and
The center of blowout patche flanged pipe 2-2 is equipped with interconnected through-hole, and blowout patche ring flange 2-1 is set to one end of blowout patche flanged pipe 2-2, bottom
Seat ring flange 1-1 is set to one end of base flange pipe 1-2, and the other end of base flange pipe 1-2 is equipped with cylindrical circular groove 20,
Groove 20 extends from the other end face of base flange pipe 1-2 towards the direction base flange plate 1-1；Groove 20 is by base flange pipe
1-2 is divided into two parts: close to the base flange inner tube 1-21 of base flange pipe 1-2 central through hole and far from base flange pipe 1-2
The base flange outer tube 1-22 of central through hole, the bottom of groove 20 are equipped with bearing base 3, and bearing base 3 is equipped with raceway 18, blowout patche
Flanged pipe 2-2 is protruded into groove 20, and retainer 4 is set between bearing base 3 and blowout patche flanged pipe 2-2, and blowout patche flanged pipe 2-2 is leaned on
The end face of nearly retainer 4 is also equipped with raceway 19, and retainer 4 is equipped with rolling element 5, and 5 both ends of rolling element are respectively placed in bearing base 3
Raceway 18 and the end face blowout patche flanged pipe 2-2 raceway 19 in；The middle part circumference of base flange outer tube 1-22 is equipped with oil permeable hole 6,
Oil permeable hole 6 penetrates the inner wall of base flange outer tube 1-22 from the outer wall of base flange outer tube 1-22, base flange outer tube 1-22's
Left end outer wall is evenly distributed in left reinforcing rib 7, and the left end outer wall of left reinforcing rib 7 and base flange outer tube 1-22 is connected, pedestal method
The right end outer wall circumference of blue outer tube 1-22 is also evenly equipped with right reinforcing rib 8, outside the right end of right reinforcing rib 8 and base flange outer tube 1-22
Wall is connected, and left reinforcing rib 7 and right reinforcing rib 8 are respectively arranged on 6 two sides of oil permeable hole, and the base flange periphery outer tube 1-22 is equipped with housing 9,
Housing 9 is equipped with tank filler sleeve 10, left reinforcing rib 7 and right reinforcing rib 8 set on base flange outer tube 1-22 outer wall and housing 9 it is interior
Between wall, 9 one end of housing is welded on the inner wall of base flange plate 1-1, and 9 other end of housing, which is equipped with, is used for hermetically sealed case 9 and bottom
The end plate 11 in gap, the outer wall of base flange outer tube 1-22, the inner wall of housing 9, end plate 11 and bottom between seat flange outer tube 1-22
The cavity constituted between seat ring flange 1-1 inner wall is shoe cream room.
The outer wall port of base flange inner tube 1-21 is equipped with first piston annular groove (not shown), in first piston annular groove
Equipped with first piston ring 12；The inner wall port of blowout patche flanged pipe 2-2 is in the shape of a trumpet, and it is living that bell-mouthed full-size is greater than first
The free size of plug ring 12, in favor of realizing the assembly of first piston ring 12；The outer wall of base flange inner tube 1-21 passes through first
Piston ring 12 is realized to be tightly connected with the inner wall of blowout patche flanged pipe 2-2.
The outer wall port of blowout patche flanged pipe 2-2 is equipped with second-ring groove (not shown), and second-ring groove is built-in
There is second piston ring 13；The inner wall port of base flange outer tube 1-22 is in the shape of a trumpet, and bell-mouthed full-size is greater than second
The free size of piston ring 13, in favor of realizing the assembly of second piston ring 13；The inner wall of base flange outer tube 1-22 passes through the
Two piston rings are realized to be tightly connected with the outer wall of blowout patche flanged pipe 2-2.
Drain oil (not shown) can be also equipped on housing 9.Plug screw is equipped in tank filler sleeve 10 and drain oil (not show in figure
Out).When practical application, tank filler sleeve 10 and drain oil can be shared.
The section of first piston ring 12 is circle.The section of second piston ring 13 is also round.The number of first piston ring 12
Amount at least two.The quantity at least two of second piston ring 13.First piston ring 12 is equipped with opening, with first piston ring
The opposite one end of 12 openings is set there are two pin 14, and two pins 14 are fixed on the inner wall of first piston ring 12, and each first is living
The opening of plug ring 12 is staggered 180 degree between each other, and two pins 14 are symmetrically set in the middle line two sides of the opening of first piston ring 12.The
The slot bottom of one piston ring groove is equipped with one group of pin hole (not shown), and pin hole is circular hole or square hole etc., two pin holes
One group is constituted, each group pin hole mutually staggers 180 degree.Second piston ring 13 is equipped with opening, with the opening phase of second piston ring 13
Pair one end set there are two pin 15, two pins 15 are fixed on the inner wall of second piston ring 13, each second piston ring 13
The mutual 180 degree that is staggered of opening, two pins 15 are symmetrically set in the middle line two sides of the opening of second piston ring 13.Second piston ring
The slot bottom of slot is equipped with one group of pin hole (not shown), and pin hole is circular hole or square hole etc., and two pin holes constitute one group,
Each group pin hole mutually staggers 180 degree.
Blowout patche ring flange 2-1 is structure as a whole with blowout patche flanged pipe 2-2, and base flange plate 1-1 and base flange pipe 1-2 are also
It is structure as a whole.
The diameter for the through-hole that the center of base flange plate 1-1 and the center of base flange pipe 1-2 are interconnected is greater than bucket
The diameter of (not shown) is sold, in favor of preventing excavator bucket pin from disturbing thrust ball bearing when rotating.
The base flange plate 1-1 of flange shape pedestal 1 is equipped with flange hole 16, the end of the head of the horse (not shown) of excavator
Portion is equipped with threaded hole (not shown) compatible with the flange hole 16 of base flange plate 1-1, and base flange plate 1-1 is by setting
Bolt (not shown) and head of the horse in flange hole 16 and threaded hole are connected.
The blowout patche ring flange 2-1 of flange shape blowout patche 2 is equipped with flange hole 17, the end of the bucket ear (not shown) of excavator
Portion is equipped with threaded hole (not shown) compatible with the flange hole 17 of blowout patche ring flange 2-1, and blowout patche ring flange 2-1 is by setting
Bolt (not shown) and bucket ear in flange hole 17 and threaded hole are connected.
Base flange plate 1-1 and head of the horse are connected, since the head of the horse of excavator is fixed, so flange shape pedestal 1 does not turn
It is dynamic；The bucket ear of blowout patche ring flange 2-1 and excavator is connected, and the bucket ear and excavator bucket (not shown) of excavator are solid
Even, when excavator work, excavator bucket drives bucket ear rotation, and the rotation for the ear that struggles against drives blowout patche flanged pipe 2-2 in groove
2 unitary rotation of flange shape blowout patche that blowout patche ring flange 2-1 and blowout patche flanged pipe 2-2 are constituted is realized in interior rotation so that head of the horse with push away
Dry friction is not present between power ball bearing, bucket ear and thrust ball bearing, motion mode is changed by dry friction in the prior art
Thrust ball bearing roll mode, engine load mitigate.
Adjusting pad (not shown) can be set between blowout patche ring flange 2-1 and the bucket ear of excavator, by increasing and decreasing adjusting pad
Quantity can adjust the axial gap between the bucket ear of blowout patche ring flange 2-1 and excavator.
When practical application, head of the horse both ends can be respectively provided with the thrust ball bearing of a present invention, and head of the horse both ends pass through phase respectively
The thrust ball bearing answered realizes the connection with two bucket ears of excavator.
It, can be in the outer wall of bucket pin circle for the bucket pin between the head of the horse and bucket of connecting excavator when practical application
Zhou Junbu is good for slot (not shown), and bucket ear inner wall circumference is also uniformly good for slot (not shown), strong slot be provided with it is strong (in figure not
Show), it prevents from rotating between bucket pin outer wall and bucket ear inner wall.
When being installed using the thrust ball bearing of the present invention and head of the horse, the bucket ear of excavator, should first it pacify at head of the horse both ends
The thrust ball bearing for filling the present invention adjusts blowout patche flange by the adjusting pad quantity between increase and decrease bucket ear and blowout patche ring flange
Axial gap between disk and the bucket ear of excavator.At this point, by the peace between the thrust ball bearing of the present invention, bucket ear, bucket pin
Holding position is to good, to ensure that bucket pin can be installed smoothly.
Various types can be made according to different demands in thrust ball bearing in the present invention, widened thrust ball bearing application model
It encloses.
Claims (5)
1. a kind of thrust ball bearing, which is characterized in that including flange shape pedestal and flange shape blowout patche, flange shape pedestal includes pedestal
Ring flange and base flange pipe, flange shape blowout patche include blowout patche ring flange and blowout patche flanged pipe, the center and bottom of base flange plate
The center of seat flanged pipe is equipped with interconnected through-hole, and the center of blowout patche ring flange is equipped with the center of blowout patche flanged pipe mutually to be interconnected
Logical through-hole, blowout patche ring flange are set to one end of blowout patche flanged pipe, and base flange plate is set to one end of base flange pipe, pedestal method
The other end of blue pipe is equipped with cylindrical circular groove, and groove is from the other end face of base flange pipe towards base flange plate direction
Extend；Base flange pipe is divided into two parts by groove: close to the base flange inner tube of base flange tube hub through-hole and the bottom of far from
The base flange outer tube of seat flanged pipe central through hole, the bottom of groove are equipped with bearing base, and bearing base is equipped with raceway, blowout patche method
Blue pipe protrudes into groove, and retainer is set between bearing base and blowout patche flanged pipe, and blowout patche flanged pipe is close to the end face of retainer
Also it is equipped with raceway, retainer is equipped with rolling element, and rolling element both ends are respectively placed in the raceway and blowout patche flange pipe end of bearing base
In the raceway in face；The middle part circumference of base flange outer tube is equipped with oil permeable hole, and oil permeable hole penetrates bottom from the outer wall of base flange outer tube
The inner wall of seat flange outer tube, the left end outer wall of base flange outer tube are evenly distributed in left reinforcing rib, left reinforcing rib and base flange
The left end outer wall of outer tube is connected, and the right end outer wall circumference of base flange outer tube is also evenly equipped with right reinforcing rib, right reinforcing rib and pedestal
The right end outer wall of flange outer tube is connected, and left reinforcing rib and right reinforcing rib are respectively arranged on oil permeable hole two sides, base flange outer tube periphery
Equipped with housing, put on outside equipped with tank filler sleeve, left reinforcing rib and right reinforcing rib be set to base flange outer tube outer wall and housing it is interior
Between wall, housing one end is welded on the inner wall of base flange plate, and the housing other end, which is equipped with, is used for hermetically sealed case and base flange
The end plate in gap between outer tube is constituted between the outer wall of base flange outer tube, the inner wall of housing, end plate and base flange plate inner wall
Cavity be shoe cream room.
2. thrust ball bearing according to claim 1, which is characterized in that the outer wall port of base flange inner tube is equipped with first
Piston ring groove, first piston annular groove are provided with first piston ring；The inner wall port of blowout patche flanged pipe is in the shape of a trumpet, bell-mouthed
Full-size is greater than the free size of first piston ring；The outer wall of base flange inner tube is realized and blowout patche method by first piston ring
The inner wall of blue pipe is tightly connected.
3. thrust ball bearing according to claim 1 or 2, which is characterized in that the outer wall port of blowout patche flanged pipe is equipped with the
Two piston ring grooves, second-ring groove are provided with second piston ring；The inner wall port of base flange outer tube is in the shape of a trumpet, loudspeaker
The full-size of mouth is greater than the free size of second piston ring；The inner wall of base flange outer tube is realized by second piston ring and axis
The outer wall for enclosing flanged pipe is tightly connected.
4. thrust ball bearing according to claim 1 or 2, which is characterized in that set on the base flange plate of flange shape pedestal
There is flange hole, the end of the head of the horse of excavator is equipped with threaded hole compatible with the flange hole of base flange plate, base flange plate
It is connected by the bolt and head of the horse that are placed in flange hole and threaded hole；
The blowout patche ring flange of flange shape blowout patche is equipped with flange hole, and the end of the bucket ear of excavator is equipped with the method with blowout patche ring flange
The compatible threaded hole of flange aperture, blowout patche ring flange are connected by the bolt and bucket ear being placed in flange hole and threaded hole.
5. a kind of includes the excavator of the thrust ball bearing as described in claim any one of 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711258780.XA CN107956793B (en) | 2017-12-04 | 2017-12-04 | A kind of thrust ball bearing and the excavator including thrust ball bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711258780.XA CN107956793B (en) | 2017-12-04 | 2017-12-04 | A kind of thrust ball bearing and the excavator including thrust ball bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107956793A CN107956793A (en) | 2018-04-24 |
| CN107956793B true CN107956793B (en) | 2019-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711258780.XA Active CN107956793B (en) | 2017-12-04 | 2017-12-04 | A kind of thrust ball bearing and the excavator including thrust ball bearing |
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| Country | Link |
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| CN (1) | CN107956793B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115111269B (en) * | 2022-04-07 | 2023-06-27 | 洛阳轴承研究所有限公司 | Sealing and lubricating device for high-temperature heavy-duty bearing and high-temperature heavy-duty bearing |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6534816B2 (en) * | 2015-01-16 | 2019-06-26 | Ntn株式会社 | Rolling bearing |
| JP2017172650A (en) * | 2016-03-23 | 2017-09-28 | Ntn株式会社 | Ball bearing for motor built-in spindle |
| CN206571826U (en) * | 2017-01-25 | 2017-10-20 | 海宁市瑞邦汽车部件有限公司 | A kind of band gear double-row conical hub |
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2017
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Also Published As
| Publication number | Publication date |
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| CN107956793A (en) | 2018-04-24 |
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