CN105545944A - Large double-direction thrust ball bearing with airtightness and assembling method of large double-direction thrust ball bearing - Google Patents
Large double-direction thrust ball bearing with airtightness and assembling method of large double-direction thrust ball bearing Download PDFInfo
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- CN105545944A CN105545944A CN201610126725.4A CN201610126725A CN105545944A CN 105545944 A CN105545944 A CN 105545944A CN 201610126725 A CN201610126725 A CN 201610126725A CN 105545944 A CN105545944 A CN 105545944A
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- outer ring
- ring
- inner ring
- raceway
- retainer
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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
- F16C19/10—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
- F16C19/12—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 for supporting the end face of a shaft or other member, e.g. footstep 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
- F16C33/30—Parts of ball or roller bearings
- F16C33/38—Ball cages
- F16C33/44—Selection of substances
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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
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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
- F16C33/761—Sealings of ball or roller bearings specifically for bearings with purely axial load
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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
- F16C43/00—Assembling bearings
- F16C43/04—Assembling rolling-contact bearings
Abstract
The invention discloses a large double-direction thrust ball bearing with airtightness and an assembling method of the large double-direction thrust ball bearing. The large double-direction thrust ball bearing comprises a first outer ring, a second outer ring, an inner ring and a ferrule, wherein the side wall of one end of the inner ring extends outwards to form a boss, end surfaces of the first outer ring and the second outer ring are attached and fixed together, the boss is matched with the end surfaces of the first outer ring and the second outer ring to form a first roller way and a second roller way, a plurality of steel balls are mounted in the first roller way and the second roller way, the ferrule is nested on the outer side wall of the inner ring, the first outer ring, the second outer ring and the ferrule are all in clearance fit with the inner ring, and a baffle is mounted at one end, close to the first outer ring, of the inner side wall of the inner ring, and is in clearance fit with the first outer ring. The first outer ring and the ferrule of the bearing adopt a split structure and are convenient to assemble, requirements for the precision of connected parts are low, the mounting is more convenient, a 0.5 mm radial clearance exists between the inner ring of the bearing and the first outer ring and between the inner ring of the bearing and the second outer ring, and mounting errors of a main frame are conveniently compensated due to the clearance.
Description
Technical field
The present invention relates to technical field of bearings, especially relate to one and there is bubble-tight large-scale thrust ball bearing.
Background technique
Known, the large size bearing that some equipment such as radar, food machinery use, not only requires that rotating accuracy is high, revolution friction torque is little, turns round the features such as flexible, also require bearing to have tightness is good, corrosion protection, the performance such as lightweight, easy for installation.
At present, this type of is had to the applying working condition of particular/special requirement, in industry, conventional double-direction thrust ball bearing has following deficiency:
1, with the connection of other component, be is connected by the interference fit of blowout patche, seat ring, this Placement, require bearing and the parts machining precision be connected higher, and alignment error inconvenience compensates, and it is inconvenient to install;
2, lasso is entity annulus, and this makes bearing own wt heavier, is unfavorable for the lightweight requirements of equipment;
3, raceway is circular shape, and this makes the friction torque of bearing larger;
4, general without sealing configuration, or its sealing configuration does not have tightness;
5, lasso is Bearing Steel, and decay resistance is poor.
Summary of the invention
The object of the invention is the deficiency for solving existing double-direction thrust ball bearing, providing one to have bubble-tight large-scale thrust ball bearing.
The present invention is the deficiency solved the problems of the technologies described above, and the technological scheme adopted is:
One has bubble-tight large-scale thrust ball bearing, comprise the first outer ring, second outer ring, inner ring and lasso, the sidewall of inner ring one end stretches out formation boss, the end face of the first outer ring and the second outer ring pastes merga pass link and to be integrally fixed structure, the madial wall of the first outer ring and the second outer ring is provided with the groove cooperatively interacted with described boss, the end face at boss two ends coordinates formation first raceway and the second raceway with the end face of the first outer ring and the second outer ring respectively, the first described raceway is made up of the V-type track be opened on inner ring end face and the straight line raceway be opened on the first outer ring, the angle of the V-type track on inner ring end face is 90 °, in first raceway, a plurality of steel ball is installed, steel ball in first raceway is evenly arranged in the first raceway by the second retainer, the second described raceway is by the rectilinear orbit be opened on inner ring other end and be opened in V-type track on the second outer ring and form, on second outer ring, the angle of V-type track is 90 °, in second raceway, a plurality of steel ball is installed, steel ball in second raceway is evenly arranged in the first raceway by the first retainer, lasso is set on the outer side wall of inner ring, the end face of lasso and the end surfaces of the second outer ring are arranged, first outer ring, second outer ring and all adopt Spielpassung between lasso and inner ring, the madial wall of inner ring is provided with baffle plate on one end of the first outer ring, Spielpassung is adopted between baffle plate and the first outer ring, first outer ring, inner ring and baffle plate intersection are provided with the first sealing, second sealing is installed between lasso and inner ring, the end face of lasso away from the second outer ring is provided with the 3rd sealing, the end face of the first outer ring away from the second outer ring is provided with the 4th sealing.
The outer side wall of the first described outer ring offers lightening grooves, in groove, is provided with a plurality of stiffening rib.
The first described outer ring and the second outer ring are fixed together by the second connecting bolt.
Described lasso and inner ring are fixed together by the first connecting bolt.
Described baffle plate is fixed by screws on inner ring.
The first described retainer and the second retainer are integral cage, and the first retainer and the second retainer all adopt teflon to make, and the first retainer and the second retainer all offer a plurality of pocket hole.
Described first is sealed into the U-shaped seal ring be made up of fluorine rubber.
The first described outer ring, the gap between the second outer ring and inner ring are 0.3-1mm, and the gap between baffle plate and the first outer ring is 0.3-1mm.
The first described outer ring, the gap between the second outer ring and inner ring are 0.5mm, and the gap between baffle plate and the first outer ring is 0.5mm.
The described assembling method with bubble-tight large-scale thrust ball bearing, comprises the steps:
Step 1, the second outer ring is placed on three horizontal fulcrums, first retainer is placed on the V-arrangement raceway of the second outer ring, then in retainer pocket hole, put into steel ball successively, lubricating grease smeared by steel ball, the steel ball in the first retainer is positioned at the V-type track of the second outer ring;
Step 2, hang and get on steel ball that inner ring vertically places in step 1, the steel ball in step 1 is made to be positioned at the rectilinear orbit of inner ring, second retainer is placed on the V-arrangement raceway of inner ring, then in retainer pocket hole, steel ball is put into successively, lubricating grease smeared by steel ball, and the steel ball in the second retainer is positioned at the V-type track of inner ring;
Step 3, hang and get the first outer ring, adjusting the first outer ring and the second outer ring makes both mounting holes corresponding, be placed on the first outer ring on the second outer ring, the steel ball on the second retainer is positioned at the rectilinear orbit of the first outer ring, is connected the first outer ring by the second connecting bolt with the second outer ring;
Step 4, installation first sealing between the first outer ring and the end face of inner ring in step 3, then by screw, baffle plate is fixed on inner ring;
Step 5, the assembly assembled in step 4 is rotated 180 °, make the end face of the first outer ring evenly be placed on three horizontal fulcrums;
Step 6, the second sealing to be arranged in the seal groove of lasso, then to hang and get lasso and coordinate with inner ring, finally by the first connecting bolt, lasso and inner ring are linked together;
Step 7, in the first raceway and the second raceway, note appropriate grease by greasing hole, assembling completes.
Have bubble-tight large-scale thrust ball bearing, it is made up of inner ring, the first outer ring, the second outer ring, lasso, steel ball, retainer, the first seal ring, the second seal ring, the 3rd seal ring, the 4th seal ring, baffle plate, stiffening rib, connecting bolt, screw etc.Between inner ring and the first outer ring, be designed with raceway on a group; Between inner ring and the second outer ring, raceway under being designed with a group.First outer ring is connected by connecting bolt with lasso with the second outer ring, inner ring; First outer ring and lasso are provided with mounting hole, are connected respectively by bolt with upper spider, lower bearing bracket.Retainer material is teflon, and antirust plate material is rustproof aluminum alloy.Bearing inner race, the first outer ring, the second outer ring, lasso, except groove portion exceptionally, all zinc-plated process.
Upper raceway between described inner ring and the first outer ring, on inner ring, its raceway is V-arrangement raceway, angle 90 °, on the first outer ring corresponding with it, is designed with straight line raceway.The lower raceway of inner ring and the second outer ring, inner ring is straight line raceway, on the second outer ring corresponding with it, is designed with V-arrangement raceway, angle 90 °.In the middle of upper and lower two raceways, multiple steel ball is installed, is separated by retainer between multiple steel ball.
Described first seal ring is U-shaped seal ring, and material is fluorine rubber, is arranged between inner ring, the first outer ring.Second and third, four seal rings are O-ring seals, material is nitrile butadiene rubber, is arranged on respectively between inner ring and lasso, between the first outer ring and upper spider, between lasso and lower bearing bracket.
Described first outer ring is evenly equipped with the greasing hole of 6 M10X1, by greasing hole, lubricating cup is installed and raceway is lubricated.
Described first outer ring is designed with lightening grooves, and is uniformly welded with 36 stiffening ribs.
The invention has the beneficial effects as follows: bearing first outer ring, lasso are respectively designed with 36 mounting holes, by bolt, bearing are connected with frame, low to the required precision of connected piece, install more for convenience.
There is the radial clearance of 0.5mm relative to the first outer ring, the second outer ring in bearing inner race, this gap is conducive to the alignment error making up main frame.
Outer ring is designed with lightening grooves with bearing first, alleviates bearing weight, is welded with stiffening rib simultaneously, strengthens bearing outer ring rigidity.
The upper and lower two groups of raceways of bearing, can bear bidirectional propulsion up or down; And raceway is by rectilinear(-al), retainer material adopts teflon, ensure that bearing has lower friction torque.
Bearing is provided with first, second, third and fourth seal ring, and after being connected with frame, bearing bore diameter is by pressed gas, and first is sealed into U-shaped sealing, when Bearing inner pressure increase, make U-shaped seal dynamics of opening and increase, fit more closely with inside and outside circle, airtight effect is better.
Bearing first outer ring, the second outer ring, inner ring, lasso are through zinc-plated process, and antiseptic effect is good.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is roller path structure enlarged view in the present invention.
Fig. 3 is the first seal ring schematic diagram used in the present invention.
Fig. 4 is mounted configuration schematic diagram of the present invention.
Graphical indicia: 01, the first outer ring; 02, inner ring; 03, lasso; 04, steel ball; 06, the first retainer; 08, baffle plate; 09, screw; 16, the second retainer; 18, the first sealing; 19, the first bolt; 21, the second outer ring; 28, the second sealing; 29, the second connecting bolt; 38, the 3rd sealing; 39, stiffening rib; 48, the 4th sealing; 50, upper spider; 60, lower bearing bracket.
Embodiment
Shown in figure, embodiment is as follows:
One has bubble-tight large-scale thrust ball bearing, comprise the first outer ring 01, second outer ring 21, inner ring 02 and lasso 03, the sidewall of inner ring 02 one end stretches out formation boss, the end face of the first outer ring 01 and the second outer ring 21 pastes merga pass link and to be integrally fixed structure, the madial wall of the first outer ring 01 and the second outer ring 21 is provided with the groove cooperatively interacted with described boss, the end face at boss two ends coordinates formation first raceway and the second raceway with the end face of the first outer ring 01 and the second outer ring 21 respectively, the first described raceway is made up of the V-type track be opened on inner ring 02 end face and the straight line raceway be opened on the first outer ring 01, the angle of the V-type track on inner ring 02 end face is 90 °, in first raceway, a plurality of steel ball 04 is installed, steel ball 04 in first raceway is evenly arranged in the first raceway by the second retainer 16, the second described raceway is by the rectilinear orbit be opened on inner ring 02 other end and be opened in V-type track on the second outer ring and form, on second outer ring, the angle of V-type track is 90 °, in second raceway, a plurality of steel ball is installed, steel ball in second raceway is evenly arranged in the first raceway by the first retainer, lasso 03 is set on the outer side wall of inner ring 02, the end face of lasso 03 and the end surfaces of the second outer ring 21 are arranged, first outer ring 01, second outer ring 21 and all adopt Spielpassung between lasso 03 and inner ring 02, the madial wall of inner ring 02 is provided with baffle plate 08 on one end of the first outer ring 01, Spielpassung is adopted between baffle plate 08 and the first outer ring 01, first outer ring 01, inner ring 02 and baffle plate 08 intersection are provided with the first sealing 18, second sealing 28 is installed between lasso 03 and inner ring 02, the end face of lasso 03 away from the second outer ring 21 is provided with the 3rd sealing 38, the end face of the first outer ring 01 away from the second outer ring 21 is provided with the 4th sealing 48.
The outer side wall of the first described outer ring 01 offers lightening grooves, in groove, is provided with a plurality of stiffening rib 39.
The first described outer ring 01 and the second outer ring 21 are fixed together by the second connecting bolt 29.
Described lasso 03 and inner ring 02 are fixed together by the first connecting bolt 19.
Described baffle plate 08 is fixed on inner ring 02 by screw 09.
The first described retainer 06 and the second retainer 16 are integral cage, and the first retainer 06 and the second retainer 16 all adopt teflon to make, and the first retainer 06 and the second retainer 16 all offer a plurality of pocket hole.
The first described sealing 18 is the U-shaped seal ring be made up of fluorine rubber.
Gap between the first described outer ring 21, outer ring 01, second and inner ring 02 is 0.3-1mm, and the gap between baffle plate 08 and the first outer ring 01 is 0.3-1mm.
Gap between the first described outer ring 21, outer ring 01, second and inner ring 02 is 0.5mm, and the gap between baffle plate 08 and the first outer ring 01 is 0.5mm.
The described assembling method with bubble-tight large-scale thrust ball bearing, comprises the steps:
Step 1, the second outer ring 21 is placed on three horizontal fulcrums, first retainer 06 is placed on the V-arrangement raceway of the second outer ring 21, then in retainer pocket hole, steel ball 04 is put into successively, lubricating grease smeared by steel ball 04, and the steel ball 04 in the first retainer 06 is positioned at the V-type track of the second outer ring 21;
Step 2, hang and get on steel ball 04 that inner ring 02 vertically places in step 1, the steel ball 04 in step 1 is made to be positioned at the rectilinear orbit of inner ring 02, second retainer 16 is placed on the V-arrangement raceway of inner ring 02, then in retainer pocket hole, steel ball 04 is put into successively, lubricating grease smeared by steel ball 04, and the steel ball 04 in the second retainer 16 is positioned at the V-type track of inner ring 02;
Step 3, hang and get the first outer ring 01, adjusting the first outer ring 01 and the second outer ring 21 makes both mounting holes corresponding, first outer ring 01 is placed on the second outer ring 21, steel ball 04 on second retainer 16 is positioned at the rectilinear orbit of the first outer ring 01, is connected the first outer ring 01 by the second connecting bolt 29 with the second outer ring 21;
Step 4, installation first sealing 18 between the first outer ring 01 and the end face of inner ring 02 in step 3, then by screw 09, baffle plate 08 is fixed on inner ring 02;
Step 5, the assembly assembled in step 4 is rotated 180 °, make the end face of the first outer ring 01 evenly be placed on three horizontal fulcrums;
Step 6, the second sealing 28 to be arranged in the seal groove of lasso 03, then to hang and get lasso 03 and coordinate with inner ring 02, finally by the first connecting bolt 19, lasso 03 and inner ring 02 are linked together;
Step 7, in the first raceway and the second raceway, note appropriate grease by greasing hole, assembling completes.
As shown in Figure 1, this has bubble-tight large-scale thrust ball bearing, comprises the compositions such as the first outer ring 21, outer ring 01, second, inner ring 02, lasso 03, stiffening rib 39, first retainer 06, second retainer 16, steel ball 04, baffle plate 08, first sealing 18, second sealing the 28, the 3rd sealing the 38, the 4th sealing 48, screw 09, first connecting bolt 19, second connecting bolt 29.First outer ring 01 is formed an entirety, and coordinates with inner ring 02, form upper and lower two raceways, can bear the thrust of upper and lower both direction after being connected by connecting bolt 29 with the second outer ring 21.Be provided with the first sealing 18 between first outer ring 01 and inner ring 02, baffle plate 08 is arranged on inner ring 02 by screw 09, and there is 0.5mm gap with the first outer ring 01.Lasso 03 and inner ring 02 Spielpassung, and fixed by the first connecting bolt 19, the second sealing 28 is installed between lasso 03 and inner ring 02, the Leakage Gas of bearing bore diameter cavity can be prevented.
As shown in Figure 2, bearing up/down raceway is made up of straight line raceway and a V-arrangement raceway, V-arrangement raceway angle 90 °, and raceway inside is provided with multiple steel ball 04.Retainer 06 is integral cage, and material is teflon, is designed with multiple pocket hole.Evenly separated by retainer pocket hole between steel ball.This roller path structure and retainer material, ensure that bearing has lower friction torque.
As shown in Figure 3, the first seal ring 08 is U-shaped seal ring, is arranged between the first outer ring 01 and inner ring 02, when bearing inner race cavity is by pressed gas, make U-shaped seal upper and lower two lips to open, fit more tight with the first outer ring 01, inner ring 02, prevent Leakage Gas.First sealing material is fluorine rubber, high temperature resistant, decay resistance is better.
Bearing assemble step: the first step, is placed on the second outer ring 21 on three horizontal fulcrums, is placed on by the first retainer 06 on the V-arrangement raceway of the second outer ring 21, then in retainer pocket hole, puts into steel ball 04 successively, steel ball can smear a small amount of lubricating grease.Second step, hangs and gets inner ring 02 and be vertically placed on steel ball, be placed on the V-arrangement raceway of inner ring 02, then in retainer pocket hole, put into the second retainer 16 steel ball 04 successively, steel ball can smear a small amount of lubricating grease.3rd step, hangs and gets the first outer ring 01, now notes the mounting hole of the first outer ring 01 and the second outer ring 21 to be mapped, and is placed on the second outer ring 21, then is connected with the second outer ring 21 the first outer ring 01 by connecting bolt 29.4th step, is installed the first seal ring 18, then is fixed on inner ring 02 by baffle plate 08 by screw 09.5th step, by assembly turn-over, makes the end face of the first outer ring evenly be placed on three horizontal fulcrums.6th step, is arranged on the second seal ring 28 in the seal groove of lasso 03, then hangs and get lasso 03 and coordinate with inner ring 02, connects finally by connecting bolt 19.7th step, notes appropriate grease by greasing hole in raceway.
As shown in Figure 4, after bearing assemble completes, the 3rd seal ring 38 is arranged in the end face seal groove of lasso 03, then hang round cover bearing make the mounting hole of lasso 03 corresponding with lower bearing bracket 60 mounting hole, be connected and fixed by bolt and lower bearing bracket; Then be arranged on by the 4th seal ring 48 on the end face seal groove of the first outer ring 01, then by corresponding with upper spider 50 for the mounting hole of the first outer ring 01, be connected and fixed by bolt and upper spider, so far, namely the present invention completes.
Bearing first outer ring, lasso are respectively designed with 36 mounting holes, by bolt, bearing are connected with frame, low to the required precision of connected piece, install more for convenience.
There is the radial clearance of 0.5mm relative to the first outer ring, the second outer ring in bearing inner race, this gap is conducive to the alignment error making up main frame.
Outer ring is designed with lightening grooves with bearing first, alleviates bearing weight, is welded with stiffening rib simultaneously, strengthens bearing outer ring rigidity.
The upper and lower two groups of raceways of bearing, can bear bidirectional propulsion up or down; And raceway is by rectilinear(-al), retainer material adopts teflon, ensure that bearing has lower friction torque.
Bearing is provided with first, second, third and fourth seal ring, and after being connected with frame, bearing bore diameter is by pressed gas, and first is sealed into U-shaped sealing, when Bearing inner pressure increase, make U-shaped seal dynamics of opening and increase, fit more closely with inside and outside circle, airtight effect is better.
Bearing first outer ring, the second outer ring, inner ring, lasso are through zinc-plated process, and antiseptic effect is good.
Technological scheme cited by the present invention and mode of execution be not restriction, be equal to the technological scheme cited by the present invention and mode of execution or effect same approach all in the scope that the present invention protects.
Claims (10)
1. one kind has bubble-tight large-scale thrust ball bearing, comprise the first outer ring (01), second outer ring (21), inner ring (02) and lasso (03), it is characterized in that: the sidewall of inner ring (02) one end stretches out formation boss, the end face of the first outer ring (01) and the second outer ring (21) pastes merga pass link and to be integrally fixed structure, the madial wall of the first outer ring (01) and the second outer ring (21) is provided with the groove cooperatively interacted with described boss, the end face at boss two ends coordinates formation first raceway and the second raceway with the end face of the first outer ring (01) and the second outer ring (21) respectively, the first described raceway is made up of the V-type track be opened on inner ring (02) end face and the straight line raceway be opened on the first outer ring (01), the angle of the V-type track on inner ring (02) end face is 90 °, in first raceway, a plurality of steel ball (04) is installed, steel ball (04) in first raceway is evenly arranged in the first raceway by the second retainer (16), the second described raceway is by the rectilinear orbit be opened on inner ring (02) other end and be opened in V-type track on the second outer ring and form, on second outer ring, the angle of V-type track is 90 °, in second raceway, a plurality of steel ball is installed, steel ball in second raceway is evenly arranged in the first raceway by the first retainer, lasso (03) is set on the outer side wall of inner ring (02), the end face of lasso (03) and the end surfaces of the second outer ring (21) are arranged, first outer ring (01), second outer ring (21) and all adopt Spielpassung between lasso (03) and inner ring (02), the madial wall of inner ring (02) is provided with baffle plate (08) on one end of the first outer ring (01), Spielpassung is adopted between baffle plate (08) and the first outer ring (01), first outer ring (01), inner ring (02) and baffle plate (08) intersection are provided with the first sealing (18), second sealing (28) is installed between lasso (03) and inner ring (02), the end face of lasso (03) away from the second outer ring (21) is provided with the 3rd sealing (38), the end face of first outer ring (01) away from the second outer ring (21) is provided with the 4th sealing (48).
2. one according to claim 1 has bubble-tight large-scale thrust ball bearing, it is characterized in that: the outer side wall of described the first outer ring (01) offers lightening grooves, is provided with a plurality of stiffening rib (39) in groove.
3. one according to claim 1 has bubble-tight large-scale thrust ball bearing, it is characterized in that: described the first outer ring (01) and the second outer ring (21) are fixed together by the second connecting bolt (29).
4. one according to claim 1 has bubble-tight large-scale thrust ball bearing, it is characterized in that: described lasso (03) and inner ring (02) are fixed together by the first connecting bolt (19).
5. one according to claim 1 has bubble-tight large-scale thrust ball bearing, it is characterized in that: described baffle plate (08) is fixed on inner ring (02) by screw (09).
6. one according to claim 1 has bubble-tight large-scale thrust ball bearing, it is characterized in that: described the first retainer (06) and the second retainer (16) are integral cage, first retainer (06) and the second retainer (16) all adopt teflon to make, and the first retainer (06) and the second retainer (16) all offer a plurality of pocket hole.
7. one according to claim 1 has bubble-tight large-scale thrust ball bearing, it is characterized in that: the first described sealing (18) is the U-shaped seal ring be made up of fluorine rubber.
8. one according to claim 1 has bubble-tight large-scale thrust ball bearing, it is characterized in that: described the first outer ring (01), the gap between the second outer ring (21) and inner ring (02) are 0.3-1mm, and the gap between baffle plate (08) and the first outer ring (01) is 0.3-1mm.
9. one according to claim 8 has bubble-tight large-scale thrust ball bearing, it is characterized in that: described the first outer ring (01), the gap between the second outer ring (21) and inner ring (02) are 0.5mm, and the gap between baffle plate (08) and the first outer ring (01) is 0.5mm.
10. there is an assembling method for bubble-tight large-scale thrust ball bearing as claimed in claim 1, it is characterized in that: comprise the steps:
Step 1, the second outer ring (21) are placed on three horizontal fulcrums, first retainer (06) is placed on the V-arrangement raceway of the second outer ring (21), then in retainer pocket hole, steel ball (04) is put into successively, (04) smears lubricating grease with steel ball, and the steel ball (04) in the first retainer (06) is positioned at the V-type track of the second outer ring (21);
Step 2, hang and get on steel ball (04) that inner ring (02) vertically places in step 1, the steel ball in step 1 (04) is made to be positioned at the rectilinear orbit of inner ring (02), second retainer (16) is placed on the V-arrangement raceway of inner ring (02), then in retainer pocket hole, steel ball (04) is put into successively, (04) smears lubricating grease with steel ball, and the steel ball (04) in the second retainer (16) is positioned at the V-type track of inner ring (02);
Step 3, hang and get the first outer ring (01), adjusting the first outer ring (01) and the second outer ring (21) makes both mounting holes corresponding, first outer ring (01) is placed on the second outer ring (21), steel ball (04) on second retainer (16) is positioned at the rectilinear orbit of the first outer ring (01), the first outer ring (01) is connected with the second outer ring (21) by the second connecting bolt (29);
First sealing (18) is installed between the end face of step 4, in step 3 the first outer ring (01) and inner ring (02), then by screw (09), baffle plate (08) is fixed on inner ring (02);
Step 5, the assembly assembled in step 4 is rotated 180 °, make the end face of the first outer ring (01) evenly be placed on three horizontal fulcrums;
Step 6, the second sealing (28) to be arranged in the seal groove of lasso (03), then to hang and get lasso (03) and coordinate with inner ring (02), finally by the first connecting bolt (19), lasso (03) and inner ring (02) are linked together;
Step 7, in the first raceway and the second raceway, note appropriate grease by greasing hole, assembling completes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610126725.4A CN105545944B (en) | 2016-03-07 | 2016-03-07 | A kind of large-scale thrust ball bearing and its assemble method with air-tightness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610126725.4A CN105545944B (en) | 2016-03-07 | 2016-03-07 | A kind of large-scale thrust ball bearing and its assemble method with air-tightness |
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| Publication Number | Publication Date |
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| CN105545944A true CN105545944A (en) | 2016-05-04 |
| CN105545944B CN105545944B (en) | 2018-01-26 |
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| CN201610126725.4A Active CN105545944B (en) | 2016-03-07 | 2016-03-07 | A kind of large-scale thrust ball bearing and its assemble method with air-tightness |
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| CN107882886A (en) * | 2017-11-03 | 2018-04-06 | 宁波慈兴智能设备有限公司 | A kind of bearing full of complement balls aids in ball-loading device |
| CN108035778A (en) * | 2017-12-27 | 2018-05-15 | 浙江益齿星医疗器械有限公司 | One kind pressing bearing-free sealing head |
| CN112065848A (en) * | 2020-09-10 | 2020-12-11 | 芜湖辉悦机械设计有限公司 | Ceramic bearing |
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| CN112065848A (en) * | 2020-09-10 | 2020-12-11 | 芜湖辉悦机械设计有限公司 | Ceramic bearing |
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| Publication number | Publication date |
|---|---|
| CN105545944B (en) | 2018-01-26 |
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