CN106438721B - A kind of bearing block of adjustable interference volume - Google Patents

A kind of bearing block of adjustable interference volume Download PDF

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Publication number
CN106438721B
CN106438721B CN201611025117.0A CN201611025117A CN106438721B CN 106438721 B CN106438721 B CN 106438721B CN 201611025117 A CN201611025117 A CN 201611025117A CN 106438721 B CN106438721 B CN 106438721B
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China
Prior art keywords
bearing
chamber
lantern ring
semicircle lantern
bearing block
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CN201611025117.0A
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CN106438721A (en
Inventor
贺德强
张�焕
刘旗扬
刘斌
邓建新
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Guangxi University
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Guangxi University
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • F16C35/067Fixing them in a housing

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Motor Or Generator Frames (AREA)
  • Mounting Of Bearings Or Others (AREA)
  • Support Of The Bearing (AREA)

Abstract

A kind of bearing block of adjustable interference volume, including bearing block body, the first semicircle lantern ring, the second semicircle lantern ring and end cap, the bearing chamber of the bearing block body includes coaxial cylindrical chamber and infundibular chamber, the bigger diameter end of infundibular chamber is connected with cylindrical chamber, cylindrical chamber wall is equipped with internal thread, the outer side surface shape of the first semicircle lantern ring be and the matched cone of infundibular chamber, interior sidewall surface shape is with intending installing the matched cylindricality of bearing outer ring, first semicircle lantern ring miner diameter end is equipped with radial flange, the shape and structure of the second semicircle lantern ring is identical with the first semicircle lantern ring, the cylinder of the end cap is equipped with the external screw thread coordinated with cylindrical chamber, end cap is equipped with intending installing the matched annular convex platform of bearing outer ring position size close to the end face of infundibular chamber.The present invention can simplify the installation of motor bearings, adjust the interference volume of bearing, reduce the maintenance cost that motor bearings coordinates with bearing block.

Description

A kind of bearing block of adjustable interference volume
Technical field
The present invention relates to a kind of fast-assembling bearing block of adjustable interference volume, and specifically one kind is by between bearing and bearing block A conical sleeve is set up, achievees the purpose that Fast Installation and adjusts interference volume.
Background technology
Bearing is a kind of important spare part in contemporary mechanical equipment.Its major function is the mechanical rotary body of support, is reduced Friction coefficient in its motion process, and ensure its rotating accuracy.The effect of bearing block be for spring bearing, fixing bearing Outer ring, remains stationary as bearing outer ring, and the direction with transmission is consistent all the time, and keeps balancing.
When installing bearing, small size bearing widely uses the method that iron hammer impact bearing rushes cylinder.In operating process, such as firmly not When, it will damage bearing and bearing chamber.For large size bearing, or the bearing that assembling interference volume is larger, pacify frequently with heating Dress, is assembled after heating bearing block by modes such as oil baths, higher to assembly environment and equipment requirement.
Motor bearings is using after the regular hour, it may appear that bearing is acted as a travelling agent the situation of circle.It was found that bearing outer ring and motor Bearing block on end cap coordinate it is not close, i.e., when bearing walks outer ring, depending on feelings using end-cover axle bearing inner ring scutching point, pad copper sheet or Copper sheathing is inlayed to eliminate.Though this processing method can solve the problems, such as certain, to fix central point and be not easy to, if there is inclined The heart, bearing are easy to damage again.
The content of the invention
The problem of for above-mentioned motor bearing seat using above running into, the present invention provide a kind of bearing block of adjustable interference volume.
To achieve these goals, present invention employs following technical scheme:
A kind of bearing block of adjustable interference volume, including bearing block body, the first semicircle lantern ring, the second semicircle lantern ring and end Lid,
The bearing chamber of the bearing block body includes coaxial cylindrical chamber and infundibular chamber, the bigger diameter end and cylindrical chamber of infundibular chamber Connection, cylindrical chamber wall are equipped with internal thread,
The outer side surface shape of the first semicircle lantern ring is to be with the matched cone of infundibular chamber, interior sidewall surface shape With intending installing the matched cylindricality of bearing outer ring, the first semicircle lantern ring miner diameter end is equipped with radial flange,
The shape and structure of the second semicircle lantern ring is identical with the first semicircle lantern ring,
The cylinder of the end cap is equipped with the external screw thread coordinated with cylindrical chamber, and end cap is equipped with and plan close to the end face of infundibular chamber The matched annular convex platform of bearing outer ring position size is installed.
Compared with prior art, the beneficial effect that the present invention possesses:
The present invention can simplify the installation of motor bearings, adjust the interference volume of bearing, reduce motor bearings and bearing block The maintenance cost of cooperation.
Brief description of the drawings
Fig. 1 is the installation diagram of the bearing block of adjustable interference volume of the present invention.
Fig. 2 is the structure diagram of the end cap of the bearing block of adjustable interference volume of the present invention.
Fig. 3 is the assembling section of the bearing block of adjustable interference volume of the present invention.
Fig. 4 is the parts profile of the bearing block of adjustable interference volume of the present invention.
Fig. 5 is the structure diagram of the first semicircle lantern ring of the end cap of the bearing block of adjustable interference volume of the present invention.
Embodiment
Technical scheme is further elaborated below by embodiment.
Embodiment 1
A kind of bearing block of adjustable interference volume, including bearing block body 5, the first semicircle lantern ring 3, the second semicircle lantern ring 4 with And end cap 1,
The bearing chamber 6 of the bearing block body 5 includes coaxial cylindrical chamber 6a and infundibular chamber 6b, the bigger diameter end of infundibular chamber 6b It is connected with cylindrical chamber 6a, the diameter of the bigger diameter end of infundibular chamber 6b is identical with the diameter of cylindrical chamber 6a, and cylindrical chamber 6a walls are equipped with interior Screw thread,
The outer side surface shape of the first semicircle lantern ring 3 be and the matched cones of infundibular chamber 6b, interior sidewall surface shape Shape is that the first semicircle lantern ring, 3 miner diameter end is equipped with radial flange 7 with intending installing the matched cylindricality in 2 outer ring of bearing, flange 7 it is interior Footpath is less than the outside diameter for intending installation bearing 2,
The shape and structure of the second semicircle lantern ring 4 is identical with the first semicircle lantern ring 3,
The cylinder of the end cap 1 is equipped with the external screw thread coordinated with cylindrical chamber 6a, and end cap 1 is set close to the end face of infundibular chamber 6b Have with intending the installation 2 matched annular convex platform 8 of outer ring position size of bearing.
During installation, first the first semicircle lantern ring 3 and the second semicircle lantern ring 4 are sleeved on 2 outer ring of bearing, the first semicircle lantern ring 3 and second the semicircle lantern ring 4 annular is formed in 2 outer ring of bearing, then the bearings 2 of two semicircle lantern rings will be set with from cylindrical chamber 6a mono- End is fitted into bearing chamber 6, and the miner diameter end of two semicircle lantern rings is consistent with the path extreme direction of infundibular chamber 6b, and radial flange 7 is by axis Hold 2 to be limited among two semicircle lantern rings, and cannot continue to move to miner diameter end.Then end cap 1 is screwed into cylindrical chamber 6a, end cap 1 annular convex platform 8 exerts a force 2 outer ring of bearing so that bearing 2 be limited in the first semicircle lantern ring 3 and the second semicircle lantern ring 4 it In, and be clamped between radial flange 7 and annular convex platform 8.End cap 1 is provided with the side end face away from infundibular chamber and spiral shell The groove or protrusion that silk knife or spanner coordinate.
Embodiment 2
The first semicircle lantern ring 3 and the second semicircle lantern ring 4 are made using the softer material such as brass, and bearing block body 5 is electricity The part that generator terminal covers, bearing chamber 6 is the bearing chamber of electric motor end cap, identical with electric motor end cap material.
End cap 1 and cylindrical chamber 6a are connected through a screw thread, and the pitch of screw thread arrives 6mm for 3, screw-down torque according to demand depending on, As needed larger interference volume between bearing and bearing block, then screw-down torque is big, and screw-in depth is also big, conversely, then small.Due to steel The elasticity modulus of the metals such as material is larger, therefore when screw-down torque and interference volume change in the larger context, it can only cause screw-in deep The minor variations of degree, typically smaller than 1mm, in the range of the axial error that motor allows.To prevent machine shaft due to thermal expansion It is bent, therefore rotor bearings at both ends is usually deep groove ball bearing and cylinder roller bearing is used cooperatively, cylinder roller bearing Allow larger axial error, therefore the minor variations of screw-in depth will not cause the change of motor other specification.
The first semicircle lantern ring 3 and the second semicircle lantern ring 4 are attached with infundibular chamber 6b by the conical surface, and the taper of the conical surface is 1: 10.The conical surface makes heart function, convenient installation by oneself.The inner surface of the first semicircle lantern ring 3 and the second semicircle lantern ring 4 and 2 outer ring of bearing Contact, is clearance fit before installation.
End cap 1 is equipped with intending installing the 2 matched annular convex platform of outer ring position size of bearing close to the end face of infundibular chamber 6a 8, outer ring of the end cap 1 only with bearing 2 is in contact when ensureing to screw in.
Bearing 2 when mounted, with the screw-in of end cap 1, the work of the first semicircle lantern ring 3 and the second semicircle lantern ring 4 in the conical surface With lower generation micro-strain, to contract, the outer surface of 2 outer ring of bearing is clamped.The depth that end cap 1 screws in is bigger, its clamping force Bigger, interference volume is also bigger.
When bearing 2 work a period of time after, due to abrasion occur bearing 2 act as a travelling agent circle situation when, only need to tighten end Lid 1, makes tightening torque reach design load, without disassembling bearing block, has saved maintenance cost.
By two a cone is formed with tapered, copper material the first semicircle lantern ring 3 and the second semicircle lantern ring 4 Sleeve, the interference volume coordinated between bearing block and bearing can be changed by the axial micro-displacement of sleeve, reach change The effect of shaft strength environment.
The Fast Installation of bearing 2 can be realized by the first semicircle lantern ring 3 and the second semicircle lantern ring 4 of cone, at the same time Bearing 2 is avoided to be destroyed in installation process since percussion power is excessive.
It is connected through a screw thread between end cap 1 and bearing block body 5, the screw-in depth and tightening torque of end cap 1 can bases The working environment and related accessory foozle of bearing 2 are adjusted, to ensure that bearing 2 reaches the rigidity of design after mounting.
Bearing 2 worked after a period of time, when there is gap due to abrasion between 2 outer ring of bearing and bearing chamber 6, can pass through The screw-in depth of end cap 1 is adjusted, gap is eliminated, keeps due pretension amount.

Claims (1)

1. a kind of bearing block of adjustable interference volume, including bearing block body, it is characterised in that further include the first semicircle lantern ring, The two semicircle lantern rings and end cap,
The bearing chamber of the bearing block body includes coaxial cylindrical chamber and infundibular chamber, and bigger diameter end and the cylindrical chamber of infundibular chamber connect Connecing, cylindrical chamber wall is equipped with internal thread,
The outer side surface shape of the first semicircle lantern ring is to be and plan with the matched cone of infundibular chamber, interior sidewall surface shape The matched cylindricality of bearing outer ring is installed, the first semicircle lantern ring miner diameter end is equipped with radial flange,
The shape and structure of the second semicircle lantern ring is identical with the first semicircle lantern ring,
The cylinder of the end cap is equipped with the external screw thread coordinated with cylindrical chamber, and end cap is equipped with intending installing close to the end face of infundibular chamber The matched annular convex platform of bearing outer ring position size.
CN201611025117.0A 2016-11-18 2016-11-18 A kind of bearing block of adjustable interference volume Active CN106438721B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611025117.0A CN106438721B (en) 2016-11-18 2016-11-18 A kind of bearing block of adjustable interference volume

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Application Number Priority Date Filing Date Title
CN201611025117.0A CN106438721B (en) 2016-11-18 2016-11-18 A kind of bearing block of adjustable interference volume

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CN106438721A CN106438721A (en) 2017-02-22
CN106438721B true CN106438721B (en) 2018-04-24

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106979246A (en) * 2017-05-16 2017-07-25 响水县贝斯特传动件有限公司 A kind of adapter assembly
CN108413484B (en) * 2017-07-18 2023-08-15 奥克斯空调股份有限公司 Air conditioner fan blade bearing seat assembly and air conditioner indoor unit
CN112065867A (en) * 2020-09-15 2020-12-11 温州职业技术学院 Automatic assembling device for inner ring and outer ring of high-speed bearing
CN113236664B (en) * 2021-05-26 2023-05-09 河南科技大学 Permanent magnet damping sliding bearing capable of adjusting preset damping torque
CN114453980A (en) * 2022-03-10 2022-05-10 兰州理工大学 Interference magnitude regulating and controlling device and method for interference connection of high-speed electric spindle and bearing

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3336398C2 (en) * 1983-10-06 1987-05-14 Wilhelm Gebhardt Gmbh, 7112 Waldenburg Housings for rolling bearings
CN202023852U (en) * 2011-04-06 2011-11-02 四川省广汉三阳机械制造有限公司 Bearing support and rolling bearing thereof

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2108153T5 (en) * 1993-03-26 2001-03-01 Skf Gmbh PROVISION FOR THE SUPPORT OF A TREE OR AXLE IN A SUPPORT PART.
GB0916189D0 (en) * 2009-09-15 2009-10-28 Ricardo Uk Ltd Bearing for wind turbine
US9243668B2 (en) * 2013-09-09 2016-01-26 Carl Moody Shaft bearing support assembly for waterborne equipment

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3336398C2 (en) * 1983-10-06 1987-05-14 Wilhelm Gebhardt Gmbh, 7112 Waldenburg Housings for rolling bearings
CN202023852U (en) * 2011-04-06 2011-11-02 四川省广汉三阳机械制造有限公司 Bearing support and rolling bearing thereof

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