CN106257077B - A kind of large-scale Special rotating bearing that can be used for bearing big turning torque - Google Patents

A kind of large-scale Special rotating bearing that can be used for bearing big turning torque Download PDF

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Publication number
CN106257077B
CN106257077B CN201610822860.2A CN201610822860A CN106257077B CN 106257077 B CN106257077 B CN 106257077B CN 201610822860 A CN201610822860 A CN 201610822860A CN 106257077 B CN106257077 B CN 106257077B
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China
Prior art keywords
bearing
ring
ball
turning torque
race
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CN201610822860.2A
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CN106257077A (en
Inventor
任近静
任家隆
席雪荣
任和
彭委健
蔡重元
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SHENYANG JIELI TEXTILE MACHINERY Co.,Ltd.
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任家云
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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
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30Parts of ball or roller bearings
    • F16C33/58Raceways; Race rings
    • F16C33/60Raceways; Race rings divided or split, e.g. comprising two juxtaposed rings
    • 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
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30Parts of ball or roller bearings
    • F16C33/58Raceways; Race rings
    • F16C33/581Raceways; Race rings integral with other parts, e.g. with housings or machine elements such as shafts or gear wheels
    • 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
    • F16C2326/00Articles relating to transporting
    • F16C2326/30Ships, e.g. propelling shafts and bearings therefor

Abstract

The invention discloses a kind of large-scale Special rotating bearings that can be used for bearing big turning torque, including bearing outer ring, bearing inner race and ball, ball is fixed on by retainer between bearing outer ring and bearing inner race, the thrust device of setting corresponding with ball is distributed on bearing outer ring, ball is withstood in the end of thrust device.The large-scale Special rotating bearing that can be used for bearing big turning torque of the present invention, creatively by bearing outer ring along two parts above and below central symmetry subdivision, make bearing ball, retainer in terms of angle of assembling convenient for being fitted into bearing internal external circle raceway, the special bearing is made to bear the effect of traditional end face bearing and journal bearing, the rotary motion that end face is supported by axial load, radially to be acted on by turning torque, so as to preferably undertake the task that the heavy duty under the conditions of huge turning torque is lifted by crane and turned round.The bearing is made universal as standard component, wide market when being not provided with thrust device, clamp spring.

Description

A kind of large-scale Special rotating bearing that can be used for bearing big turning torque
Technical field
The present invention relates to the large-scale Special rotating bearings available for bearing big turning torque, belong to field of bearings.
Background technology
Lifesaving appliance is the safety equipment that must possess of ship law regulation, and each steamer is all equipped with and oneself requirement phase The quantity and tonnage of the lifeboat of adaptation, the presence of lifeboat and lifeboat draw off gear directly affect rescue work into Degree directly affects the security of the lives and property of people, so International Maritime Organization (IMO) is studying how preferably to improve always And improve the safety of lifeboat and lifeboat draw off gear.At present, in the world, for the safety of lifeboat draw off gear Requirement it is higher and higher.Since lifeboat and lifeboat draw off gear are the equipment of large ship life saving operation under high sea situation, It is corroded by marine environment, is even worked under 6 grades or more of sea situation sometimes for a long time, to the flexibility of equipment, stability and can It is required by property very high;On the other hand, the scale of construction of this equipment not only greatly but also again, if the diameter of support column is generally higher than 1m, is hung The weight of weight is taken to be generally higher than 35KN, the maximum extension diameter of extending arm up to 2.5m and more than, thus moment of flexure is very big, and bearing exists It is not easy to adjust during installation and after abrasion, corrosion.It results in the high-end draw off gear of China's lifeboat and always exists equipment operation Quality and safety problem, thus the use of the equipment mostly relies on import.
Invention content
Goal of the invention:In order to overcome the deficiencies in the prior art, the present invention provides a kind of available for bearing to overturn greatly The large-scale Special rotating bearing of torque has bearing radial gap and radial load real-time, balanced and is become according to load Change adjusts accordingly function, so as to ensure that canoe is being transferred and the safety in removal process and validity.
Technical solution:In order to solve the above technical problems, a kind of of the present invention can be used for the large size for bearing big turning torque special With floating bearing, including bearing outer ring, bearing inner race and ball, the ball is fixed on bearing outer ring and bearing by retainer Between inner ring, the bearing outer ring includes part and bearing outer ring lower part on bearing outer ring, part and bearing on bearing outer ring Outer ring lower part is fixed by least two straight pins or two bolts.Conventional radial bearing and end face bearing can be undertaken simultaneously Effect, bears certain turning torque..Preferably, the thrust of setting corresponding with ball is distributed on the bearing outer ring Ball is withstood in device, the end of thrust device.
Preferably, the thrust device is propelling cylinder, propelling cylinder is equipped with distance rod, and the end of distance rod is and rolling The consistent arc surface of pearl curvature.
Preferably, the number of the propelling cylinder is consistent with the number of ball.
Preferably, the arc surface material small by friction coefficient or soft coating are made.
Preferably, the bearing inner race internal circular surfaces assembling gear ring, bearing inner race are equipped with mounting hole.
Preferably, the top of the bearing outer ring and the bottom of bearing inner race are separately installed with clamp spring, bearing inner race and Bearing outer ring is limited by clamp spring and moved axially.
Advantageous effect:The large-scale Special rotating bearing that can be used for bearing big turning torque of the present invention, creatively by axis Bearing outer-ring makes bearing ball, retainer convenient for being fitted into bearing along two parts above and below central symmetry subdivision in terms of angle of assembling Internal and external cycle raceway makes the special bearing bear the effect of traditional end face bearing and journal bearing, support end face by axial load, What the rotary motion radially acted on by turning torque, the hydraulic coupling given by outer ring radial oil cylinders or other mechanical systems were given Mechanical force, change in size caused by online compensation bearing movable is worn ensure parts rotating mass, huge so as to preferably undertake The task that heavy duty under the conditions of turning torque is lifted by crane and turned round.The bearing is made when being not provided with thrust device, clamp spring, gear ring It is universal to be used as standard component, wide market.
Description of the drawings
Fig. 1 is the schematic cross-sectional view of the present invention.
Fig. 2 is center schematic cross-sectional view of the present invention along a ball.
Fig. 3 makes universal as standard component schematic diagram for bearing of the present invention.
Specific embodiment
As depicted in figs. 1 and 2, a kind of large-scale Special rotating bearing that can be used for bearing big turning torque of the invention, packet Include bearing outer ring, bearing inner race 3 and ball 6, the ball 6 by retainer 7 be fixed on bearing outer ring and bearing inner race 3 it Between, the thrust device 8 with 6 corresponding setting of ball is distributed on the bearing outer ring, ball 6 is withstood in the end of thrust device 8, There are certain jacking force, and adjustable thrust to ball 6, entire bearing arrangement can bear huge turning torque.
In the present invention, the bearing outer ring include bearing outer ring on part 1 and bearing outer ring lower part 2, solve compared with Big ball 6 can not according to conventional mounting arrangements into row Roll dynamic bearings install the problem of, on bearing outer ring under part 1 and bearing outer ring Part 2 is fixed by least two straight pins 9 or two bolts, and bolt is refined positioning bolt, for determining bearing outer ring Lower two parts position.The thrust device 8 is propelling cylinder, other pushing tow modes can also be replaced by radial bolts push rod etc., Propelling cylinder is equipped with distance rod, and the end of distance rod is the arc surface consistent with 6 curvature of ball, the number of the propelling cylinder with The number of ball 6 is consistent, and the arc surface material small by friction coefficient or soft coating are made, to reduce ball 6 and distance rod Abrasion between end face.More, the suitable heavy-duty low-speed big compared with the ball of plain bearing of ball 6.
In the present invention, 3 internal circular surfaces of the bearing inner race assembling gear ring 4, bearing inner race 3 are equipped with mounting hole, mounting hole Interior installation junction of the edges of two sheets of paper screw or pin bear part torque.The top of the bearing outer ring and the bottom of bearing inner race 3 are separately installed with Clamp spring 5, bearing inner race 3 and bearing outer ring are limited by clamp spring and moved axially.
In the present invention, bearing outer ring is equipped with location hole and screw hole, passes through 360 ° of positioning pin and bolt and retractable equipment The platform connection of rotating part, is allowed to folding and unfolding lifeboat as required.Equally there are location hole and screw hole on bearing inner race 3, by fixed Position pin and bolt couple with the foundation of retractable equipment, and retractable equipment is fixed on building berth by foundation.3 internal diameter of bearing inner race fills Gear ring 4 is matched, gear ring 4 can root Ju different the retractable equipment selection and the axis that need to be processed into different moduluses and supply different capacity There are one the gear rings 4 that gear and bearing inner race 3 assemble for retarder on 360 ° of rotating platforms of the fixed retractable equipment of bearing outer-ring Engagement, their gear motion ensure that 360 ° of rotations of retractable equipment.Bearing outer ring circumferentially machined several holes, the hole center 6 center of ball, 3 Roll road central coaxials of bearing inner race with assembling intersect vertically, and hydraulic radial piston is assembled in the hole Ball 6 is directed toward on component, piston rod top, can and and rolling element small in mandril end face spraying antifriction material or assembling friction coefficient Different materials to reduce the friction between the mutual moving surface of rolling element and piston rod top, makes the inside and outside circle rotation spirit of bearing It is living.Adjustment hydraulic oil gives the pressure of plunger shaft, it is possible to the upset force that piston rod end face is directed toward ball 6 is adjusted on demand, it is real On-line tuning during existing bearing installation, realization bearing working is worn in the process, the online compensation after corrosion, and this bearing can be held By huge turning torque, flexibility of the equipment when rotating in a circumferential direction for 360 °, steady is put so as to ensure that lifesaving canoe under high sea situation rises Qualitative and reliability.
The bearing make it is universal, including part on bearing outer ring 1, bearing outer ring lower part 2, bearing inner race 3, ball 6, Retainer 7, straight pin 9 or two bolts are fixed, and can undertake the effect of conventional radial bearing and end face bearing simultaneously, are born certain Turning torque, can be used as standard component to market launch.
The present invention is first assembled bearing inner race 3 and gear ring 4 using hot jacket in assembling, and first-class junction of the edges of two sheets of paper screw with Positioning pin, then housing bearing outer ring lower part 2, retainer 7 is installed along bearing inner race 3 and the raceway of bearing outer ring lower part 2 With ball 6, part 1 on bearing outer ring is then put, and bearing outer ring two parts up and down are positioned with straight pin 9 or burnished bolt, Bearing internal external circle axial position and movement comfort level are adjusted, reaches the fastening spiral shell of assembling clamp spring 5 and remaining bearing outer ring after requirement Bolt.This bearing is lifted, the foundation for bearing inner race 3 being made to be fixed on building berth with retractable equipment by coupling snail and positioning pin joins It connects, couples bearing outer ring and the platform of 360 ° of rotating parts of retractable equipment by coupling snail and positioning pin.First successive step After retractable equipment, then propelling cylinder is circumferentially installed in bearing outer ring and is adjusted.
Parts manufacture processing as required, as bearing internal external circle and ball 6 select high-quality bearing steel material, 8 groups of propelling cylinder Push rod selects the material different Yu Zhou Cheng Roll pearl materials or coating , Yi Minus to lack push rod end with the end face that bearing ball 6 contacts in part The requirements such as face and the frictional force of ball 6.At work, propelling cylinder is adjusted according to turning torque size and gives bearing ball 6 Contact reaches not only balanced turning torque but also ensures that retractable equipment movement is happy, reliable.
Bearing major part parts of the present invention are to often occur manufacture, and only upper and lower two parts of bearing outer ring manufacture special, process mistake Journey and method:
It is a solid forging blank by the upper and lower two parts of bearing outer ring, and just 1. selecting bearing steel or other steel alloys Fire;
2. blank of the upper and lower two parts of roughing bearing outer ring for a solid forging, rear quenched;
3. semifinishing and split bearing outer ring are upper and lower two parts;
4. grind bearing outer ring on part 1,2 two pieces end face of bearing outer ring lower part, after with positioning pin assemble it is integral, processing The radial hole and other machining elements of good circumferential direction bolt hole and periphery installation propelling cylinder;
5. semifinishing bearing outer ring Zheng Ti Roll roads, then bearing outer ring Zheng Ti Roll roads are heat-treated;
6. refining part 1,2 end face of bearing outer ring lower part to size on bearing outer ring, lay equal stress on and be newly assembled into entirety;
7. bearing outer ring Zheng Ti Roll roads are refined to size.
The bearing of the present invention is also used as universal standard part, as shown in figure 3, the manufacture of its parts is same as above (no axial direction substantially Hole machined), it is not necessary to clamp spring is installed, inner ring and outer ring is parallel.Its assembly method:(1) each parts are filled using group selective assembly Match;(2) part on the basis of bearing inner race 3 is first taken;(3) bearing outer ring lower part 2 is taken to be sleeved on outside bearing inner race 3 again;(4) ball is installed 6th, part 1 on retainer 7 and bearing outer ring, and post debugging is fixed with straight pin 9 or bolt, as shown in Figure 3.
Wherein, between the inside and outside circle of bearing gap size want Yi Ju Roll pearls sizes and assembling it needs to be determined that.Ball simultaneously 6 diameters, Roll roads size should be consistent.Select different 6 diameters of ball and other parts sizes that can form series of products of the present invention.
The present invention, along two parts above and below central symmetry subdivision, rolls bearing creatively by bearing outer ring in terms of angle of assembling Pearl 6, retainer 7 make the special bearing bear traditional end face bearing and radial axle convenient for being fitted into bearing internal external circle raceway The effect held, the rotary motion that end face is supported by axial load, radially to be acted on by turning torque, is given by outer ring radial oil cylinders Hydraulic coupling or the mechanical force given of other mechanical systems, change in size caused by online compensation bearing movable is worn ensure machine Part rotating mass, so as to preferably undertake the task that the heavy duty under the conditions of huge turning torque is lifted by crane and turned round.
The above is only the preferred embodiment of the present invention, it should be pointed out that:For the ordinary skill people of the art For member, without departing from the principle of the present invention, can also making inner ring or outer ring or Internal and external cycle, several multilayers are cutd open simultaneously Grade several improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.

Claims (5)

1. a kind of can be used for bearing the large-scale Special rotating bearing of big turning torque, including bearing outer ring, bearing inner race and ball, The ball is fixed on by retainer between bearing outer ring and bearing inner race, and ball is equipped on bearing outer ring and bearing inner race The raceway of rolling, it is characterised in that:The bearing outer ring along central symmetry subdivision be comprising on bearing outer ring part and bearing outside Lower part is enclosed, part is fixed with bearing outer ring lower part by least two straight pins or two bolts on bearing outer ring;It is described The thrust device of setting corresponding with ball is distributed on bearing outer ring, ball is withstood in the end of thrust device;The thrust dress Propelling cylinder is set to, propelling cylinder is equipped with distance rod, and the end of distance rod is the arc surface consistent with ball curvature.
2. the large-scale Special rotating bearing according to claim 1 that can be used for bearing big turning torque, it is characterised in that:Institute The number for stating propelling cylinder is consistent with the number of ball.
3. the large-scale Special rotating bearing according to claim 1 or 2 that can be used for bearing big turning torque, feature exist In:The arc surface material small by friction coefficient or soft coating are made.
4. the large-scale Special rotating bearing according to claim 1 that can be used for bearing big turning torque, it is characterised in that:Institute It states the assembling of bearing internal circular surfaces and is equipped with gear ring, bearing inner race is equipped with mounting hole.
5. the large-scale Special rotating bearing according to claim 1 that can be used for bearing big turning torque, it is characterised in that:Institute It states the top of bearing outer ring and the bottom of bearing inner race and is separately installed with clamp spring, bearing inner race and bearing outer ring are limited by clamp spring Axial movement.
CN201610822860.2A 2016-09-13 2016-09-13 A kind of large-scale Special rotating bearing that can be used for bearing big turning torque Active CN106257077B (en)

Priority Applications (1)

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CN201610822860.2A CN106257077B (en) 2016-09-13 2016-09-13 A kind of large-scale Special rotating bearing that can be used for bearing big turning torque

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Application Number Priority Date Filing Date Title
CN201610822860.2A CN106257077B (en) 2016-09-13 2016-09-13 A kind of large-scale Special rotating bearing that can be used for bearing big turning torque

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CN106257077B true CN106257077B (en) 2018-07-10

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108826977B (en) * 2018-07-16 2019-10-25 中冶华天工程技术有限公司 Wheel of sintering trolley automatic centring device in a kind of traveling
CN111649071A (en) * 2020-06-12 2020-09-11 河北鑫泰轴承锻造有限公司 Bearing outer ring machining process

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Publication number Priority date Publication date Assignee Title
JPS5121048U (en) * 1974-07-31 1976-02-16
JP2004060866A (en) * 2002-07-31 2004-02-26 Nsk Ltd Bearing for direct drive motor
JP2004069011A (en) * 2002-08-09 2004-03-04 Nsk Ltd Rolling bearing
CN2577035Y (en) * 2002-11-06 2003-10-01 杨星龙 Rolling bearing
JP2006125508A (en) * 2004-10-28 2006-05-18 Toyota Motor Corp Ball bearing
CN202612382U (en) * 2012-04-24 2012-12-19 北京天马轴承有限公司 Two-piece outer ring four point contact ball bearing
CN204851996U (en) * 2015-07-27 2015-12-09 洛阳轴研科技股份有限公司 Be used for articular bearing of manipulator arm
CN105864283A (en) * 2016-05-25 2016-08-17 浙江来福谐波传动股份有限公司 Four-point contact bearing for harmonic reducer
CN206111859U (en) * 2016-09-13 2017-04-19 江苏科技大学 Can be used to bear large -scale special floating bearing of big turning torque

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