CN107956793A - A kind of thrust ball bearing of good seal performance and its application - Google Patents
A kind of thrust ball bearing of good seal performance and its application Download PDFInfo
- Publication number
- CN107956793A CN107956793A CN201711258780.XA CN201711258780A CN107956793A CN 107956793 A CN107956793 A CN 107956793A CN 201711258780 A CN201711258780 A CN 201711258780A CN 107956793 A CN107956793 A CN 107956793A
- Authority
- CN
- China
- Prior art keywords
- flange
- base
- base flange
- blowout patche
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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 of good seal performance and its application.The thrust ball bearing includes flange shape base and flange shape blowout patche, and flange shape base includes base flange plate and base flange pipe, and flange shape blowout patche includes blowout patche ring flange and blowout patche flanged pipe, and base flange pipe is equipped with groove, and base flange pipe is divided into by groove：Base flange inner tube and base flange outer tube, channel bottom are 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 overcoat, and the cavity formed between the outer wall of base flange outer tube, the inner wall of overcoat, end plate and base flange plate inner wall is shoe cream room.Present invention additionally comprises the application of thrust ball bearing on board a dredger.Use the present invention, the presence of shoe cream room so that oil reserve increase, high lubricating effect, favorable sealing property, the several years is without maintenance.
Description
Technical field
Thrust ball bearing and its application the present invention relates to a kind of good seal performance.
Background technology
When existing excavator bucket is coupled with head of the horse by bucket pin, between inevitably being produced 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 is together rotated with bucket pin, and serious unlubricated friction certainly will be produced between head of the horse and plain washer, between bucket ear and plain washer
Wipe, cause head of the horse and bucket ear serious wear, serious dry friction certainly will a large amount of power of consumption of engine.
The content of the invention
The technical problem to be solved in the present invention is overcome drawbacks described above existing in the prior art, there is provided a kind of sealing performance
Thrust ball bearing well and its application that plain washer is replaced between head of the horse and bucket ear.
The present invention solve its technical problem technical solution be：
A kind of thrust ball bearing of good seal performance, including flange shape base and flange shape blowout patche, flange shape base include base
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 and mutually interconnects
Logical through hole, blowout patche ring flange are arranged on one end of blowout patche flanged pipe, and base flange plate is arranged on one end of base flange pipe, base 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
Extension；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 away 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 is stretched into groove, and retainer is arranged between bearing base and blowout patche flanged pipe, and blowout patche flanged pipe is close to the end face of retainer
Also raceway is equipped with, 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 the outer wall of oil permeable hole from base flange outer tube penetrates bottom
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 base
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 both sides, base flange outer tube periphery
Equipped with overcoat, put on outside equipped with tank filler sleeve, left reinforcing rib and right reinforcing rib be arranged on base flange outer tube outer wall and overcoat it is interior
Between wall, overcoat one end is welded on the inner wall of base flange plate, and the overcoat other end, which is equipped with, is used for hermetically sealed case and base flange
The end plate in gap between outer tube, is formed between the outer wall of base flange outer tube, the inner wall of overcoat, end plate and base flange plate inner wall
Cavity be shoe cream room.
Further, the outer wall port of base flange inner tube is equipped with first piston annular groove, and first is equipped with first piston annular groove
Piston ring；The inner wall port of blowout patche flanged pipe is in bell mouth shape, and bell-mouthed full-size is more than the free ruler of first piston ring
It is very little, in favor of realizing the assembling 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 sealing connection of pipe.
Further, the outer wall port of blowout patche flanged pipe is equipped with second-ring groove, lives in second-ring groove equipped with second
Plug ring；The inner wall port of base flange outer tube is in bell mouth shape, and bell-mouthed full-size is more than the free ruler of second piston ring
It is very little, in favor of realizing the assembling 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 with tank filler sleeve and drain oil.During 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 circle.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, with first piston ring opening
Opposite one end is equipped with two pins, and two pins are fixed on the inner wall of first piston ring, the opening phase of each first piston ring
Stagger 180 degree between mutually, and two pins are symmetrically set in the center line both 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 form one group, each group pin hole phase
Mutually stagger 180 degree.Second piston ring is equipped with opening, and one end opposite with second piston ring opening is equipped with two pins, two
Pin is fixed on the inner wall of second piston ring, and the opening of each second piston ring staggers 180 degree between each other, and two pins are symmetrical
Arranged on the center line both 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 form 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 more than the straight of bucket pin
Footpath, in favor of disturbing thrust ball bearing when preventing excavator bucket pin from rotating.
The base flange plate of flange shape base is equipped with flange hole, and the end of the head of the horse of excavator is equipped with and base flange plate
The threaded hole that is adapted of flange hole, base flange plate is connected by the bolt being placed in flange hole and threaded hole with 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 threaded hole that is adapted of flange hole, blowout patche ring flange is connected by the bolt and bucket ear being placed in flange hole and threaded hole.
Present invention additionally comprises the thrust ball bearing application on board a dredger of good seal performance.
Base flange plate is connected with head of the horse, since the head of the horse of excavator is fixed, so flange shape base does not rotate；Axis
The bucket ear of circle ring flange and excavator is connected, and bucket ear and the excavator bucket of excavator are connected, and when excavator works, excavates
The bucket of machine drives bucket ear to rotate, and the rotation for the ear that struggles against, drives blowout patche flanged pipe to rotate in the trench, realize blowout patche ring flange and axis
Enclose the flange shape blowout patche unitary rotation that flanged pipe is formed 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, blowout patche can adjust by the quantity for increasing and decreasing adjusting pad
Axial gap between ring flange and the bucket ear of excavator.
During practical application, head of the horse both ends can be respectively provided with the thrust ball bearing of the good seal performance of a present invention, head of the horse two
The connection with two bucket ears of excavator is realized by the thrust ball bearing of corresponding good seal performance respectively in end.
During practical application, for the bucket pin between the head of the horse and bucket of connecting excavator, it can justify in the outer wall of bucket pin
Zhou Junbu is good for groove, and the ear inner wall circumference that struggles against also uniformly is good for groove, is good in groove equipped with being good for, and 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 good seal performance of the present invention and head of the horse, the bucket ear of excavator, Ying Xian
In the thrust ball bearing of the good seal performance of the head of the horse both ends installation present invention, pass through the tune between increase and decrease bucket ear and blowout patche ring flange
Whole pad quantity, adjusts the axial gap between blowout patche ring flange and the bucket ear of excavator.At this time, by the sealing performance of the present invention
Installation site between thrust ball bearing well, bucket ear, bucket pin is to good, to ensure that bucket pin can be installed smoothly.
All kinds can be made according to different demands in thrust ball bearing in the present invention, widened thrust ball bearing application model
Enclose.
Use the thrust ball bearing of the good seal performance of the present invention, not only alternative existing plain washer, and blowout patche ring flange
Axial gap between the bucket ear of excavator is adjustable.The presence of shoe cream room so that oil reserve increase, the thus sealing of the present invention
The good thrust ball bearing of performance can use gear oil lubrication, and gear oil enters shoe cream room from tank filler sleeve, then enters through oil permeable hole and push away
Inside power ball bearing, high lubricating effect, lubricating oil will not leak, favorable sealing property, and the several years is without maintenance.Use this hair
It is bright so that the serious dry friction produced between head of the horse and plain washer, between bucket ear and plain washer is eliminated, and motion mode is by doing
Thrust ball bearing roll mode is changed into friction, in favor of mitigating engine load.
Brief description of the drawings
Fig. 1 is the sectional view of the thrust ball bearing of the present invention；
Fig. 2 is retainer and the side view after 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 that overcoat removes the side view after end plate with the assembling of flange shape base；
Fig. 6 is the structure diagram of first piston ring；
Fig. 7 is the structure diagram of second piston ring.
In figure：1 --- flange shape base；1-1 --- base flange plate；1-2 --- base flange pipe；1-21 --- base
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 --- overcoat；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.
Embodiment
Below in conjunction with drawings and examples, the invention will be further described.
Referring to the drawings, a kind of thrust ball bearing of good seal performance, including flange shape base 1 and flange shape blowout patche 2, flange
Shape base 1 includes base flange plate 1-1 and base flange pipe 1-2, and flange shape blowout patche 2 includes blowout patche ring flange 2-1 and blowout patche method
The center of blue pipe 2-2, base flange plate 1-1 and the center of base flange pipe 1-2 are equipped with interconnected through hole, blowout patche ring flange
The center of 2-1 and the center of blowout patche flanged pipe 2-2 are equipped with interconnected through hole, and blowout patche ring flange 2-1 is arranged on blowout patche flanged pipe
One end of 2-2, base flange plate 1-1 are arranged on one end of base flange pipe 1-2, and the other end of base flange pipe 1-2 is equipped with circle
The groove 20 of tubular, groove 20 extend from the other end face of base flange pipe 1-2 towards base flange plate 1-1 directions；Groove
Base flange pipe 1-2 is divided into two parts by 20：Close to the base flange inner tube 1-21 of base flange pipe 1-2 central through holes and remote
The base flange outer tube 1-22 of base flange pipe 1-2 central through holes, the bottom of groove 20 are equipped with bearing base 3, and bearing base 3 is set
There is raceway 18, blowout patche flanged pipe 2-2 is stretched into groove 20, and retainer 4 is arranged between bearing base 3 and blowout patche flanged pipe 2-2, axis
Circle flanged pipe 2-2 is also equipped with raceway 19 close to the end face of retainer 4, and retainer 4 is equipped with rolling element 5,5 both ends of rolling element difference
It is placed in the raceway 18 of bearing base 3 and the raceway 19 of blowout patche flanged pipe 2-2 end faces；The middle part circumference of base flange outer tube 1-22
Equipped with oil permeable hole 6, the outer wall of oil permeable hole 6 from base flange outer tube 1-22 penetrate the inner wall of base flange outer tube 1-22, base method
The left end outer wall of blue outer tube 1-22 is evenly distributed in left reinforcing rib 7, the left end outer wall of left reinforcing rib 7 and base flange outer tube 1-22
It is connected, the right end outer wall circumference of base flange outer tube 1-22 is also evenly equipped with right reinforcing rib 8, right reinforcing rib 8 and base flange outer tube
The right end outer wall of 1-22 is connected, and left reinforcing rib 7 and right reinforcing rib 8 are respectively arranged on 6 both sides of oil permeable hole, outside base flange outer tube 1-22
It is equipped with overcoat 9 week, overcoat 9 is equipped with tank filler sleeve 10, and left reinforcing rib 7 and right reinforcing rib 8 are arranged on the outer of base flange outer tube 1-22
Between the inner wall of wall and overcoat 9,9 one end of overcoat is welded on the inner wall of base flange plate 1-1, and 9 other end of overcoat, which is equipped with, to be used for
The end plate 11 in gap between hermetically sealed case 9 and base flange outer tube 1-22, the outer wall of base flange outer tube 1-22, overcoat 9 it is interior
The cavity formed between wall, end plate 11 and base flange plate 1-1 inner walls 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 figure）, in first piston annular groove
Equipped with first piston ring 12；The inner wall port of blowout patche flanged pipe 2-2 is in bell mouth shape, and bell-mouthed full-size is more than first and lives
The free size of plug ring 12, in favor of realizing the assembling of first piston ring 12；The outer wall of base flange inner tube 1-21 passes through first
Piston ring 12 is realized and is connected with the inner wall sealing 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 in figure）, 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 bell mouth shape, and bell-mouthed full-size is more than second
The free size of piston ring 13, in favor of realizing the assembling of second piston ring 13；The inner wall of base flange outer tube 1-22 passes through
Two piston rings are realized to be tightly connected with the outer wall of blowout patche flanged pipe 2-2.
Drain oil can be also equipped with overcoat 9（Not shown in figure）.Plug screw is equipped with tank filler sleeve 10 and drain oil（Do not show in figure
Go out）.During practical application, tank filler sleeve 10 and drain oil can share.
The section of first piston ring 12 is circle.The section of second piston ring 13 is also circle.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 equipped with two pins 14, and two pins 14 are fixed on the inner wall of first piston ring 12, and each first lives
The opening of plug ring 12 staggers 180 degree between each other, and two pins 14 are symmetrically set in the center line both 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 in figure）, pin hole is for circular hole or square hole etc., two pin holes
Form one group, 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
To one end be equipped with two pins 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 staggers of opening, two pins 15 are symmetrically set in the center line both sides of the opening of second piston ring 13.Second piston ring
The slot bottom of groove is equipped with one group of pin hole（Not shown in figure）, pin hole is circular hole or square hole etc., and two pin holes form 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 is 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 more than bucket
Pin（Not shown in figure）Diameter, in favor of prevent excavator bucket pin rotate when disturb thrust ball bearing.
The base flange plate 1-1 of flange shape base 1 is equipped with flange hole 16, the head of the horse of excavator（Not shown in figure）End
Portion is equipped with the threaded hole being adapted with the flange hole 16 of base flange plate 1-1（Not shown in figure）, base flange plate 1-1 is by putting
Bolt in flange hole 16 and threaded hole（Not shown in figure）It is connected with head of the horse.
The blowout patche ring flange 2-1 of flange shape blowout patche 2 is equipped with flange hole 17, the bucket ear of excavator（Not shown in figure）End
Portion is equipped with the threaded hole being adapted with the flange hole 17 of blowout patche ring flange 2-1（Not shown in figure）, blowout patche ring flange 2-1 is by putting
Bolt in flange hole 17 and threaded hole（Not shown in figure）It is connected with bucket ear.
Base flange plate 1-1 is connected with head of the horse, since the head of the horse of excavator is fixed, so flange shape base 1 does not turn
It is dynamic；The bucket ear of blowout patche ring flange 2-1 and excavator is connected, the bucket ear and excavator bucket of excavator（Not shown in figure）Gu
Even, when excavator works, excavator bucket drives bucket ear to rotate, the rotation for the ear that struggles against, and drives blowout patche flanged pipe 2-2 in groove
Interior rotation, realizes 2 unitary rotation of flange shape blowout patche that blowout patche ring flange 2-1 and blowout patche flanged pipe 2-2 is formed so that head of the horse is with pushing away
Dry friction is not present between power ball bearing, bucket ear and thrust ball bearing, motion mode is changed into by dry friction of the prior art
Thrust ball bearing roll mode, engine load mitigate.
Adjusting pad can be set between blowout patche ring flange 2-1 and the bucket ear of excavator（Not shown in figure）, by increasing and decreasing adjusting pad
Quantity can adjust axial gap between the bucket ear of blowout patche ring flange 2-1 and excavator.
During practical application, head of the horse both ends can be respectively provided with the thrust ball bearing of the good seal performance of a present invention, head of the horse two
The connection with two bucket ears of excavator is realized by the thrust ball bearing of corresponding good seal performance respectively in end.
During practical application, for the bucket pin between the head of the horse and bucket of connecting excavator, it can justify in the outer wall of bucket pin
Zhou Junbu is good for groove（Not shown in figure）, bucket ear inner wall circumference is also uniformly good for groove（Not shown in figure）, it is good in groove equipped with strong（In figure not
Show）, prevent from rotating between bucket pin outer wall and bucket ear inner wall.
When being installed using the thrust ball bearing of the good seal performance of the present invention and head of the horse, the bucket ear of excavator, Ying Xian
In the thrust ball bearing of the good seal performance of the head of the horse both ends installation present invention, pass through the tune between increase and decrease bucket ear and blowout patche ring flange
Whole pad quantity, adjusts the axial gap between blowout patche ring flange and the bucket ear of excavator.At this time, by the sealing performance of the present invention
Installation site between thrust ball bearing well, bucket ear, bucket pin is to good, to ensure that bucket pin can be installed smoothly.
All kinds can be made according to different demands in thrust ball bearing in the present invention, widened thrust ball bearing application model
Enclose.
Claims (5)
1. a kind of thrust ball bearing of good seal performance, it is characterised in that including flange shape base and flange shape blowout patche, flange shape
Base includes base flange plate and base flange pipe, and flange shape blowout patche includes blowout patche ring flange and blowout patche flanged pipe, base flange
The center of disk and the center of base flange pipe are equipped with interconnected through hole, in the center and blowout patche flanged pipe of blowout patche ring flange
The heart is equipped with interconnected through hole, and blowout patche ring flange is arranged on one end of blowout patche flanged pipe, and base flange plate is arranged on base flange pipe
One end, the other end of base flange pipe is equipped with cylindrical circular groove, the other end face direction of the groove from base flange pipe
Base flange plate direction extends；Base flange pipe is divided into two parts by groove：Close to the base method of base flange tube hub through hole
Blue inner tube and the base flange outer tube away from base flange tube hub through hole, the bottom of groove is equipped with bearing base, bearing base
Equipped with raceway, blowout patche flanged pipe is stretched into groove, and retainer is arranged between bearing base and blowout patche flanged pipe, and blowout patche flanged pipe leans on
The end face of nearly retainer is also equipped with raceway, and retainer is equipped with rolling element, and rolling element both ends are respectively placed in the raceway of bearing base
In the raceway of blowout patche flange end surfaces；The middle part circumference of base flange outer tube is equipped with oil permeable hole, and oil permeable hole is outside base flange
The outer wall of pipe penetrates the inner wall of base flange outer tube, and the left end outer wall of base flange outer tube is evenly distributed in left reinforcing rib, Zuo Jia
Strengthening tendons and the left end outer wall of base flange outer tube are connected, and the right end outer wall circumference of base flange outer tube is also evenly equipped with right reinforcing rib,
The right end outer wall of right reinforcing rib and base flange outer tube is connected, and left reinforcing rib and right reinforcing rib are respectively arranged on oil permeable hole both sides, bottom
Seat flange outer tube periphery is equipped with overcoat, puts on outside equipped with tank filler sleeve, and left reinforcing rib and right reinforcing rib are arranged on base flange outer tube
Between outer wall and the inner wall of overcoat, overcoat one end is welded on the inner wall of base flange plate, and the overcoat other end, which is equipped with, to be used to seal
The end plate in gap between overcoat and base flange outer tube, the outer wall of base flange outer tube, the inner wall of overcoat, end plate and base flange
The cavity formed between disk inner wall is shoe cream room.
2. the thrust ball bearing of good seal performance according to claim 1, it is characterised in that the outer wall of base flange inner tube
Port is equipped with first piston annular groove, and first piston ring is housed in first piston annular groove；The inner wall port of blowout patche flanged pipe is in loudspeaker
Mouth shape, bell-mouthed full-size are more than the free size of first piston ring；The outer wall of base flange inner tube passes through first piston
Ring is realized and is connected with the inner wall sealing of blowout patche flanged pipe.
3. the thrust ball bearing of good seal performance according to claim 1 or 2, it is characterised in that outside blowout patche flanged pipe
Wall port is equipped with second-ring groove, and second piston ring is housed in second-ring groove；The inner wall port of base flange outer tube is in
Bell mouth shape, bell-mouthed full-size are more than the free size of second piston ring；The inner wall of base flange outer tube passes through second
Piston ring is realized to be tightly connected with the outer wall of blowout patche flanged pipe.
4. the thrust ball bearing of good seal performance according to claim 1 or 2, it is characterised in that the bottom of flange shape base
Seat ring flange is equipped with flange hole, and the end of the head of the horse of excavator is equipped with the screw thread being adapted with the flange hole of base flange plate
Hole, base flange plate are connected by the bolt being placed in flange hole and threaded hole with 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 the method with blowout patche ring flange
The threaded hole that flange aperture is adapted, blowout patche ring flange are connected by the bolt being placed in flange hole and threaded hole with bucket ear.
5. present invention additionally comprises the good seal performance as described in claim any one of 1-4 thrust ball bearing on board a dredger should
With.
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 true CN107956793A (en) | 2018-04-24 |
| CN107956793B CN107956793B (en) | 2019-05-03 |
Family
ID=61962096
Family Applications (1)
| 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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107956793B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115111269A (en) * | 2022-04-07 | 2022-09-27 | 洛阳轴承研究所有限公司 | Sealing and lubricating device for high-temperature heavy-load bearing and high-temperature heavy-load bearing |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016114380A1 (en) * | 2015-01-16 | 2016-07-21 | Ntn株式会社 | Anti-friction 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 |
-
2017
- 2017-12-04 CN CN201711258780.XA patent/CN107956793B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016114380A1 (en) * | 2015-01-16 | 2016-07-21 | Ntn株式会社 | Anti-friction 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115111269A (en) * | 2022-04-07 | 2022-09-27 | 洛阳轴承研究所有限公司 | Sealing and lubricating device for high-temperature heavy-load bearing and high-temperature heavy-load bearing |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107956793B (en) | 2019-05-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112628607B (en) | Fracturing high-low pressure manifold system with prying at bottom of large-drift-diameter bypass manifold | |
| CN214247296U (en) | Large-drift-diameter bypass manifold structure | |
| CN105297330A (en) | Outer drum of roller washing machine, roller washing machine and assembly method for inner and outer drums of roller washing machine | |
| CN107956793A (en) | A kind of thrust ball bearing of good seal performance and its application | |
| CN207892987U (en) | Self-lubricating bearing suitable for inner ring rotation | |
| CN202040463U (en) | Swivel joint | |
| CN108071576A (en) | Compressor pump body partition plate structure, compressor pump body structure and air conditioner | |
| CN214836165U (en) | Heavy-load rotary joint | |
| CN105042082A (en) | Self-sealing full-polytetrafluoroethylene oil seal with monitoring function | |
| CN203809913U (en) | Rotary flange | |
| CN106759353B (en) | A kind of filling device with sealing mechanism | |
| CN203571046U (en) | Mechanical sealing structure capable of ensuring rotation of rotating shaft | |
| US7229214B2 (en) | Fluid dynamic bearing unit | |
| CN201057270Y (en) | Packless seal device | |
| CN107401617A (en) | A kind of sealer with assembled for rotating shaft | |
| CN210738901U (en) | Rolling bearing mounting structure capable of being axially assembled and disassembled without damage | |
| CN204784133U (en) | Plunger pump bent axle | |
| CN208919320U (en) | A kind of big spring mechanical sealing assembly | |
| CN204878740U (en) | Full polytetrafluoroethylene oil blanket of self sealss that can monitor | |
| CN203809911U (en) | Anti-corrosion pipeline rotating compensator | |
| CN211397986U (en) | Environment-friendly low-noise fan for farm | |
| CN219197883U (en) | Bearing-connected steel structure node member | |
| CN103742652A (en) | Mechanical sealing structure | |
| CN218326321U (en) | Hard sealing eccentric half ball valve | |
| CN203429691U (en) | Excavator shaft connecting assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |