CN109578509A - A kind of bearing arrangement - Google Patents

A kind of bearing arrangement Download PDF

Info

Publication number
CN109578509A
CN109578509A CN201811520982.1A CN201811520982A CN109578509A CN 109578509 A CN109578509 A CN 109578509A CN 201811520982 A CN201811520982 A CN 201811520982A CN 109578509 A CN109578509 A CN 109578509A
Authority
CN
China
Prior art keywords
sleeve
bearing
shock
cartridge housing
reducing
Prior art date
Application number
CN201811520982.1A
Other languages
Chinese (zh)
Inventor
王振彪
宋志伟
李广瑞
Original Assignee
中国北方发动机研究所(天津)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 中国北方发动机研究所(天津) filed Critical 中国北方发动机研究所(天津)
Priority to CN201811520982.1A priority Critical patent/CN109578509A/en
Publication of CN109578509A publication Critical patent/CN109578509A/en

Links

Classifications

    • 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
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/10Suppression of vibrations in rotating systems by making use of members moving with the system
    • F16F15/12Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
    • F16F15/1207Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon characterised by the supporting arrangement of the damper unit
    • F16F15/1208Bearing arrangements
    • 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
    • F16C35/08Rigid support of bearing units; Housings, e.g. caps, covers for spindles
    • F16C35/12Rigid support of bearing units; Housings, e.g. caps, covers for spindles with ball or roller bearings
    • 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
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/10Suppression of vibrations in rotating systems by making use of members moving with the system

Abstract

The present invention provides a kind of bearing arrangements, including axis, left bearing, right bearing, cartridge housing, shock-reducing sleeve, intermediate sleeve structure, inner sleeve, and the cartridge housing and shock-reducing sleeve are cylindrical structure, and the shock-reducing sleeve is located at coaxial arrangement in the cartridge housing;The left and right ends of the shock-reducing sleeve pass through left bearing respectively, right bearing is sleeved on axis, and intermediate sleeve structure and inner sleeve are coaxially disposed between the left bearing and right bearing.Compared with the existing technology, present invention has the advantage that the present invention is reduced rotor to the sensibility of amount of unbalance, improved reliability using the method for installing shock-reducing sleeve and resilient support additional in cartridge housing.

Description

A kind of bearing arrangement

Technical field

The invention belongs to field of electromechanical technology, and in particular to a kind of bearing arrangement.

Background technique

In the prior art, rotor shadow of the synchronous exciter caused by the amount of unbalance because of rotor to rotor oscillation at work Sound is very big, although reducing amount of unbalance can reduce the amplitude of rotor, at work, the degree of balance of rotor is with using the time Extend, the factors such as thermal flexure will keep the influence of amount of unbalance violent, and supporting system improves the sensibility of amount of unbalance, reliability Decline.

Summary of the invention

In view of this, the present invention is directed to propose a kind of bearing arrangement, is propped up using shock-reducing sleeve and elasticity is installed additional in cartridge housing The method of support reduces rotor to the sensibility of amount of unbalance, improves reliability.

In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:

A kind of bearing arrangement, including axis, left bearing, right bearing, cartridge housing, shock-reducing sleeve, intermediate sleeve structure, inner sleeve, The cartridge housing and shock-reducing sleeve are cylindrical structure, and the shock-reducing sleeve is located at coaxial arrangement in the cartridge housing;The vibration damping The left and right ends of set pass through left bearing respectively, right bearing is sleeved on axis, between the left bearing and right bearing in coaxial arrangement Between tube-in-tube structure and inner sleeve;

The middle position of the cartridge housing is equipped with cartridge housing fuel feed hole, is equipped with oil duct in the shock-reducing sleeve, the oil duct Middle position be provided with the connection of cartridge housing fuel feed hole upwards with shock-reducing sleeve fuel feed hole, the lower section two sides of the oil duct are equipped with difference The left oilhole and right oilhole of lubrication are provided for left bearing, right bearing.

Further, the intermediate sleeve structure includes setting gradually left sleeve, spacer sleeve and right sleeve, the left axle It holds, left sleeve, spacer sleeve, right sleeve, be in close contact between right bearing, have spring in the spacer sleeve, the spring connects institute State left sleeve and the right sleeve.

Further, there is left spray orifice on the left sleeve, the export direction of the left spray orifice is directed toward the rolling of the left bearing Pearl;There is right spray orifice on the right sleeve, the export direction of the right spray orifice is directed toward the ball of the right bearing;The left oilhole With the inlet communication of the left spray orifice;The inlet communication of the right oilhole and the right spray orifice.

Further, there is flange in the side of the cartridge housing, and other side has block machine, and the side of the shock-reducing sleeve is equipped with method There are step cutting pattern in orchid, the other side;The step cutting pattern of the shock-reducing sleeve is stuck in the block machine;The flange and vibration damping of the cartridge housing The flange of set is bolted to connection.

Further, the left bearing is angular contact bearing, and opening is to the left;The right bearing is angular contact bearing, Opening is to the right.

Further, between the shock-reducing sleeve and the cartridge housing be equipped with left sealing ring and right sealing ring, left sealing ring and Right sealing ring is separately positioned in the slot inside both ends of the cartridge housing.

Further, there are vibration isolation slot in the flange of the shock-reducing sleeve and the junction of outer circle.

Compared with the existing technology, present invention has the advantage that

(1) present invention reduces rotor to imbalance using the method for installing shock-reducing sleeve and resilient support additional in cartridge housing The sensibility of amount, improves reliability.

(2) the configuration of the present invention is simple, it is easy to accomplish.

Detailed description of the invention

The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:

Fig. 1 is a kind of diagrammatic cross-section of bearing arrangement described in the embodiment of the present invention;

Description of symbols:

1- axis, 2- left bearing, 3- technique is stifled, 4- vibration isolation slot, 5- bolt, the left sealing ring of 6-, 7- cartridge housing, 8- shock-reducing sleeve, The left oilhole of 9-, the left spray orifice of 10-, 11- left sleeve, 12- oil duct, 13- cartridge housing fuel feed hole, 14- shock-reducing sleeve fuel feed hole, the interval 15- Set, 16- spring, the right sleeve of 17-, the right oilhole of 18-, the right spray orifice of 19-, 20- block machine, 21- inner sleeve, 22- right bearing, the right side 23- are close Seal.

Specific embodiment

It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase Mutually combination.

The present invention will be described in detail below with reference to the accompanying drawings and embodiments.

A kind of bearing arrangement, as described in Figure 1, including axis 1, left bearing 2, right bearing 22, cartridge housing 7, shock-reducing sleeve 8, centre Tube-in-tube structure, inner sleeve 21;

The cartridge housing 7 and shock-reducing sleeve 8 are cylindrical structure, and the shock-reducing sleeve 8, which is located in the cartridge housing 7, coaxially to be set It sets;The left and right ends of the shock-reducing sleeve 8 pass through left bearing 2 respectively, right bearing 22 is sleeved on axis 1, the left bearing 2 and right axle It holds and is coaxially disposed intermediate sleeve structure and inner sleeve 21 between 22;

The middle position of the cartridge housing 7 is equipped with cartridge housing fuel feed hole 13, and oil duct 12 is equipped in the shock-reducing sleeve 8, described The left end of oil duct 12 is blocked up 3 by technique and is shut, and the middle position of the oil duct 12 is provided with the connection of cartridge housing fuel feed hole 13 upwards With shock-reducing sleeve fuel feed hole 14, the lower section two sides of the oil duct 12 are equipped with respectively left bearing 2, right bearing 22 and provide the left oil of lubrication Hole 9 and right oilhole 18.

The intermediate sleeve structure includes left sleeve 11, spacer sleeve 15 and right sleeve 17, the inner ring right side of the left bearing 2 The left side of inner sleeve 21 is connected, the right side of the inner sleeve 21 connects the right bearing 22;It is the inner ring of the left bearing 2, described The interior garden of inner sleeve 21, the inner ring of the right bearing 22 connect the axis 1 jointly;The left bearing 2, left sleeve 11, spacer sleeve 15, it is in close contact between right sleeve 17, right bearing 22.

There is left spray orifice 10 on the left sleeve 11, the export direction of the left spray orifice 10 is directed toward the ball of the left bearing 2; There is right spray orifice 19 on the right sleeve 17, the export direction of the right spray orifice 19 is directed toward the ball of the right bearing 22;It is described The inlet communication of left oilhole 9 and the left spray orifice 10;The inlet communication of the right oilhole 18 and the right spray orifice 19.

There is spring 16 in the spacer sleeve 15, the spring 16 connects the left sleeve 11 and the right sleeve 17.

There is flange in the side of the cartridge housing 7, and other side has block machine 20, and the side of the shock-reducing sleeve 8 is equipped with flange, separately There is step cutting pattern in side;The step cutting pattern of the shock-reducing sleeve 8 is stuck in the block machine 20;The flange and vibration damping of the cartridge housing 7 The flange of set 8 is bolted to connection.

The left bearing 2 is angular contact bearing, and opening is to the left;The right bearing 22 be angular contact bearing, be open to It is right.

Left sealing ring 6 and right sealing ring 23 are equipped between the shock-reducing sleeve 8 and the cartridge housing 7, left sealing ring 6 and the right side are close Seal 23 is separately positioned in the slot at the inside both ends of the cartridge housing 7.

The flange of shock-reducing sleeve 8 and the junction of outer circle has vibration isolation slot 4.

The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims (7)

1. a kind of bearing arrangement, it is characterised in that: including axis (1), left bearing (2), right bearing (22), cartridge housing (7), shock-reducing sleeve (8), intermediate sleeve structure, inner sleeve (21);
The cartridge housing (7) and shock-reducing sleeve (8) are cylindrical structure, and the shock-reducing sleeve (8) is located in the cartridge housing (7) together Axis setting;The left and right ends of the shock-reducing sleeve (8) pass through left bearing (2) respectively, right bearing (22) is sleeved on axis (1), described Intermediate sleeve structure and inner sleeve (21) are coaxially disposed between left bearing (2) and right bearing (22);
The middle position of the cartridge housing (7) is equipped with cartridge housing fuel feed hole (13), is equipped with oil duct (12) in the shock-reducing sleeve (8), The middle position of the oil duct (12) be provided with upwards cartridge housing fuel feed hole (13) connection with shock-reducing sleeve fuel feed hole (14), it is described The lower section two sides of oil duct (12) are equipped with respectively left bearing (2), right bearing (22) and provide the left oilhole (9) and right oilhole of lubrication (18)。
2. a kind of bearing arrangement according to claim 1, it is characterised in that: the intermediate sleeve structure includes setting gradually Left sleeve (11), spacer sleeve (15) and right sleeve (17), the left bearing (2), left sleeve (11), spacer sleeve (15), right sleeve (17), it is in close contact between right bearing (22), has spring (16) in the spacer sleeve (15), the spring (16) connects the left side Sleeve (11) and the right sleeve (17).
3. a kind of bearing arrangement according to claim 2, it is characterised in that: have left spray orifice on the left sleeve (11) (10), the export direction of the left spray orifice (10) is directed toward the ball of the left bearing (2);There is right spray on the right sleeve (17) Hole (19), the export direction of the right spray orifice (19) are directed toward the ball of the right bearing (22);The left oilhole (9) and the left side The inlet communication of spray orifice (10);The inlet communication of the right oilhole (18) and the right spray orifice (19).
4. a kind of bearing arrangement according to claim 1, it is characterised in that: there is flange in the side of the cartridge housing (7), separately Outer side has block machine (20), and the side of the shock-reducing sleeve (8) is equipped with flange, and there is step cutting pattern in the other side;The shock-reducing sleeve (8) Step cutting pattern is stuck in the block machine (20);The flange of the cartridge housing (7) and the flange of shock-reducing sleeve (8) are bolted company It connects.
5. a kind of bearing arrangement according to claim 1, it is characterised in that: the left bearing (2) is angular contact bearing, Opening is to the left;The right bearing (22) is angular contact bearing, and opening is to the right.
6. a kind of bearing arrangement according to claim 1, it is characterised in that: the shock-reducing sleeve (8) and the cartridge housing (7) Between be equipped with left sealing ring (6) and right sealing ring (23), left sealing ring (6) and right sealing ring (23) are separately positioned on the bearing In the slot at the inside both ends of shell (7).
7. a kind of bearing arrangement according to claim 4, it is characterised in that: the flange and outer circle of the shock-reducing sleeve (8) Junction have vibration isolation slot (4).
CN201811520982.1A 2018-12-12 2018-12-12 A kind of bearing arrangement CN109578509A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811520982.1A CN109578509A (en) 2018-12-12 2018-12-12 A kind of bearing arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811520982.1A CN109578509A (en) 2018-12-12 2018-12-12 A kind of bearing arrangement

Publications (1)

Publication Number Publication Date
CN109578509A true CN109578509A (en) 2019-04-05

Family

ID=65927991

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811520982.1A CN109578509A (en) 2018-12-12 2018-12-12 A kind of bearing arrangement

Country Status (1)

Country Link
CN (1) CN109578509A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110762127A (en) * 2019-10-24 2020-02-07 上海裕达实业有限公司 Bearing support vibration reduction structure suitable for molecular pump

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107060910A (en) * 2017-03-24 2017-08-18 中国北方发动机研究所(天津) A kind of arrangement of turbo-charger shaft module
CN107635853A (en) * 2015-05-07 2018-01-26 罗伯特博世汽车转向有限公司 For the bearing arrangement supported to steering spindle
CN108006182A (en) * 2017-12-28 2018-05-08 洛阳众悦精密轴承有限公司 A kind of bearing support assembly for ball-screw
CN108167219A (en) * 2017-11-21 2018-06-15 上海裕达实业有限公司 A kind of high speed shafting structure of grease lubrication molecular pump

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107635853A (en) * 2015-05-07 2018-01-26 罗伯特博世汽车转向有限公司 For the bearing arrangement supported to steering spindle
CN107060910A (en) * 2017-03-24 2017-08-18 中国北方发动机研究所(天津) A kind of arrangement of turbo-charger shaft module
CN108167219A (en) * 2017-11-21 2018-06-15 上海裕达实业有限公司 A kind of high speed shafting structure of grease lubrication molecular pump
CN108006182A (en) * 2017-12-28 2018-05-08 洛阳众悦精密轴承有限公司 A kind of bearing support assembly for ball-screw

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110762127A (en) * 2019-10-24 2020-02-07 上海裕达实业有限公司 Bearing support vibration reduction structure suitable for molecular pump

Similar Documents

Publication Publication Date Title
US2349187A (en) Vibration dampener
CN106455701B (en) A kind of battery rod and electronic cigarette
JP4582471B2 (en) Turbine frame assembly
CN100430147C (en) Spray gun with improved needle type cut-off valve sealing device
JP4436504B2 (en) Fan decoupler device for gas turbine engine
US4055966A (en) Torque transmission coupling
US4440456A (en) Squeeze film bearing mount
US7493771B2 (en) Methods and apparatuses for assembling a gas turbine engine
US20040219009A1 (en) Turbomachine with cooled ring segments
US6009983A (en) Method and apparatus for improved vibration isolation
US20060231785A1 (en) Valve for controlling a fluid
US8919134B2 (en) Intershaft seal with support linkage
US10107378B2 (en) Systems and methods for a gas turbine engine with combined multi-directional gearbox deflection limiters and dampers
JP5969319B2 (en) Annular bearing support damper, gas turbine engine including the same, and manufacturing method thereof
EP0109346A2 (en) Viscous damper with rotor centering means
CN103245138A (en) Expansion valve
RU2361091C2 (en) Coupling device for making connection between turbomachine nozzle and supply chamber for supply of cooling fluid medium to injectors
CA2761998A1 (en) Improved bearing chamber pressurization system
US8272786B2 (en) Vibration isolation mounting assembly
CN102046921B (en) Annular flange for attaching a rotor or stator element
CN101220757A (en) Steam turbine
KR100717612B1 (en) Device for spraying a coating product and spraying rotary element for same
RU2606462C2 (en) Gas turbine engine support post assembly
CN103047290B (en) Cone-shaped friction-free rotary air supply air floatation device
US20100207007A1 (en) Vibration isolation mounting 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