CN110081076A - A kind of intelligent lubricating long-life oscillating bearing flexural pivot - Google Patents
A kind of intelligent lubricating long-life oscillating bearing flexural pivot Download PDFInfo
- Publication number
- CN110081076A CN110081076A CN201910386848.5A CN201910386848A CN110081076A CN 110081076 A CN110081076 A CN 110081076A CN 201910386848 A CN201910386848 A CN 201910386848A CN 110081076 A CN110081076 A CN 110081076A
- Authority
- CN
- China
- Prior art keywords
- pedestal
- oscillating bearing
- flexural pivot
- intelligent
- lubricating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C25/00—Bearings for exclusively rotary movement adjustable for wear or play
- F16C25/02—Sliding-contact bearings
-
- 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
- F16C33/723—Shaft end sealing means, e.g. cup-shaped caps or covers
-
- 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
- F16N—LUBRICATING
- F16N29/00—Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems
-
- 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
- F16N—LUBRICATING
- F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
- F16N39/06—Arrangements for conditioning of lubricants in the lubricating system by filtration
-
- 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
- F16N—LUBRICATING
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/38—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with a separate pump; Central lubrication systems
- F16N7/40—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with a separate pump; Central lubrication systems in a closed circulation system
-
- 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
- F16N—LUBRICATING
- F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
- F16N2039/007—Using strainers
-
- 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
- F16N—LUBRICATING
- F16N2210/00—Applications
- F16N2210/14—Bearings
-
- 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
- F16N—LUBRICATING
- F16N2260/00—Fail safe
- F16N2260/02—Indicating
- F16N2260/04—Oil level
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pivots And Pivotal Connections (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
The invention discloses a kind of intelligent lubricating long-life oscillating bearing flexural pivots comprising two groups of angular contact articulated bearings with self-lubricating material and pin shaft, bottom plate and base plate, protective device and lubricating oil intelligent circulation system；The lubricating oil intelligent circulation system includes oil pump, oil strainer and power supply, and the liquid feeding end of the oil pump is connected to the top of the pedestal, and the outlet end of the oil pump connects the lower part of the pedestal by the oil strainer.Two groups of angular contact articulated bearings composition flexural pivot of the invention is mounted in pedestal, is carried out intelligent circulation and filtering to the lubricating oil in pedestal using the lubricating oil electric intelligent circulatory system, is improved the service life of oscillating bearing flexural pivot.
Description
Technical field
The present invention relates to a kind of intelligent lubricating long-life oscillating bearing flexural pivots.
Background technique
Flexural pivot is widely used in building node upper connecting rod, the connection section under geological process, between connecting rod and main structure
Point meets the requirement of space three-dimensional power transmission, and is able to satisfy the needs that connecting rod is rotated in space any angle.Fig. 1 is a kind of conventional junction
The flexural pivot of structure is mainly made of a club 1 ', a pedestal 2 ' and a cover board 3 '.There are following several for the flexural pivot of such structure
A problem:
(1) end-play can not adjust, and installation accuracy is high；
(2) unlubricated, protective device, inside and outside spherical surface quick abrasion, life of product are short.
Summary of the invention
It is an object of the invention to overcome the deficiency of the prior art, provides a kind of intelligent lubricating long-life oscillating bearing ball
Hinge.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of intelligent lubricating long-life oscillating bearing flexural pivot comprising:
Two groups of angular contact articulated bearings and pin shaft with self-lubricating material, two groups of angular contact articulated bearings install shape face-to-face
At spherical hinge structure, one end of the pin shaft connects the inner ring of two groups of angular contact articulated bearings；
Bottom plate and base plate, the pedestal are mounted on the bottom plate, and by two groups of angular contacts with self-lubricating material
Oscillating bearing limits between the pedestal and the bottom plate, and the other end of the pin shaft is pierced by the pedestal；
Protective device comprising sylphon seal cover and pressing plate, the pressing plate are close by one end of the sylphon seal cover
Envelope is mounted on the base, and the other end sealing of the sylphon seal cover is socketed on the pin shaft；And
Lubricating oil intelligent circulation system comprising oil pump, oil strainer and power supply, the oil pump liquid feeding end connection described in
The top of pedestal, the outlet end of the oil pump connect the lower part of the pedestal by the oil strainer.
In a further preferred embodiment, one end of the pin shaft is installed with flange, and the flange is mounted on two groups of angular contacts
Between oscillating bearing.
In a further preferred embodiment, threaded connection is used between the pedestal and bottom plate.
In a further preferred embodiment, the sylphon seal cover passes through described in annular lock ring circle connects with O-ring seal
Pin shaft.
In a further preferred embodiment, O-ring seal is equipped between the pressing plate and the pedestal.
In a further preferred embodiment, the power supply is the solar energy power accumulating energy comprising battery and solar energy sailboard.
In a further preferred embodiment, the pedestal is also equipped with liquidometer.
The beneficial effects of the present invention are:
1, two groups of angular contact articulated bearings of the invention composition flexural pivot is mounted in pedestal, is followed using lubricating oil electric intelligent
Loop system carries out intelligent circulation and filtering to the lubricating oil in pedestal, improves the service life of oscillating bearing flexural pivot, uses year
Limit can reach 30~50 years, have the advantages that easy to maintain, maintenance cost is low, long service life.
2, two groups of angular contact articulated bearings limit is between the pedestal and the bottom plate, the pedestal and bottom plate it
Between using being threadedly coupled, can play the role of adjusting bearing end-play, be filled up weld seam after clearance is adjusted using welding, can
It prevents screw thread absent-mindedness from clearance being caused to become larger, while also functioning to sealing function.
3, pin shaft is equipped with flange, and flange is arranged between two groups of angular contact articulated bearings, improves the simplicity of installation.
4, the protective device can prevent oil leak, enter Bearing inner prevented also from external sundries.Use bellows as
Shield does not influence the swing of pin shaft.
5, the lubricating oil intelligent circulation system is equipped with the solar energy power accumulating energy with solar energy sailboard and battery
Management system is not necessarily to external power supply.
6, the lubricating oil liquidometer is mounted on the base, for showing current lubricants capacity, convenient for checking and mentioning
Awake maintenance personnel's make-up oil.
Invention is further described in detail with reference to the accompanying drawings and embodiments；But a kind of intelligent lubricating of the invention is long
Service life oscillating bearing flexural pivot is not limited to the embodiment.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the prior art.
Fig. 2 is the structural schematic diagram of a preferred embodiment of the invention.
Fig. 3 is the diagrammatic cross-section in the direction A-A in Fig. 2.
Specific embodiment
Embodiment, a kind of shown referring to figs. 2 and 3, of the invention intelligent lubricating long-life oscillating bearing flexural pivot, comprising:
Pin shaft 1, pedestal 2, bottom plate 3, two groups of angular contact articulated bearings 4 with self-lubricating material, lubricating oil liquidometer 5, protective devices, profit
Lubricating oil intelligent circulation system and solar electric power supply system.Two groups of angular contact articulated bearings 4 composition flexural pivot of the present embodiment is mounted on
In pedestal 2, intelligent circulation and filtering are carried out to the lubricating oil in pedestal 2 using the lubricating oil electric intelligent circulatory system, using too
Positive energy power supply system power supply.The specific structure and connection relationship of the present embodiment will be described in detail hereinafter.
The outer ring of two groups of angular contact articulated bearings 4 and interior loop material are steel/steel or copper/Steel material, and spherical surface channel is inlaid with
Self lubrication and protective effect can be achieved in the case where bearing loses oily situation in solid self lubricant material, can be to cunning in lubricating oil abundance
Dynamic spherical surface carries out dual lubrication；Installation forms spherical hinge structure to two groups of oscillating bearings 4 face-to-face, and one end of the pin shaft 1 is installed with
Flange 11, the flange 11 are mounted between two groups of angular contact articulated bearings 4；The pedestal 2 is mounted on the bottom plate 3, and
By two groups of angular contact articulated bearings 4 limit between the pedestal 2 and the bottom plate 3, the other end of the pin shaft 1 is pierced by
The pedestal 2；Using being threadedly coupled between the pedestal 2 and bottom plate 3, can play the role of adjusting bearing end-play, to clearance
Weld seam 7 is filled up using welding after adjusting, can prevent screw thread absent-mindedness from clearance being caused to become larger, while also functioning to sealing function.
The protective device includes corrugated stainless steel tubing seal closure 81, annular lock ring circle 82 and pressing plate 83, stainless steel ripple
Seal of tube cover 81 is up-narrow and down-wide, and the bottom edge of the sylphon seal cover 81 is passed through the sealing peace of O-ring seal 84 by the pressing plate 83
On the pedestal 2, the top margin of the sylphon seal cover 81 is socketed in the pin by annular 82 sealing of lock ring circle
On axis 1, O-ring seal 85 is equipped between the annular lock ring circle 82 and the outer wall of the pin shaft 1.The protective device can prevent
Oil leak enters Bearing inner prevented also from external sundries.
The lubricating oil intelligent circulation system includes oil pump 91, oil strainer 92 and power-supply controller of electric 93, the oil pump
Liquid feeding end is connected to the top of the pedestal 2, and the outlet end of the oil pump is connected under the pedestal 2 by the oil strainer
Portion, the lubricating oil intelligent circulation system can carry out self-timing filtering and circulation to lubricating oil, carry out supplemental lubrication to bearing,
Its fuel feeding frequency can be adjusted according to practical loaded working condition needs, lubricate 1-1000 times/day of frequency adjustable extent.Circulation
Oil circuit mainly passes through oil pump and the stored lubricating oil of bottom plate 3 is transported on the angular contact articulated bearing 4 on top, and lubricating oil passes through pass
The axial oil groove of bearings inner ring flows to the angular contact articulated bearing 4 of lower part, and lubricating oil passes through lower part angular contact articulated bearing 4 again
The axial oil groove of inner ring flows to bottom plate 3.In the present embodiment, the lubricating oil intelligent circulation system, which is equipped with, has solar energy sailboard 10
With the solar energy power accumulating energy management system of battery 12, it is not necessarily to external power supply.
The lubricating oil liquidometer 5 is mounted on the pedestal 2, for showing current lubricants capacity, convenient for checking and mentioning
Awake maintenance personnel's make-up oil.
The pin shaft 1 of the present embodiment can 360 ° rotation, ± 20 ° of axial wobbles, the static load of axially and laterally top load can be born
Or Under Dynamic Load, the frequent effect of common building, the earthquake shock of bridge structure and external drive alternating load can be born.
Above-described embodiment is only used to further illustrate a kind of intelligent lubricating long-life oscillating bearing flexural pivot of the invention, but this
Invention be not limited to embodiment, according to the technical essence of the invention it is to the above embodiments it is any it is simple modification,
Equivalent variations and modification, fall within the scope of protection of technical solution of the present invention.
Claims (7)
1. a kind of intelligent lubricating long-life oscillating bearing flexural pivot, it is characterised in that: comprising: two groups of corner connections with self-lubricating material
Oscillating bearing and pin shaft are touched, two groups of angular contact articulated bearings are installed face-to-face forms spherical hinge structure, one end connection of the pin shaft
The inner ring of two groups of angular contact articulated bearings；
Bottom plate and base plate, the pedestal are mounted on the bottom plate, and by the described two groups angular contact joints with self-lubricating material
Bearing limits between the pedestal and the bottom plate, and the other end of the pin shaft is pierced by the pedestal；
Protective device comprising one end of the sylphon seal cover is sealed peace by sylphon seal cover and pressing plate, the pressing plate
On the base, the other end sealing of the sylphon seal cover is socketed on the pin shaft dress；And
Lubricating oil intelligent circulation system comprising the liquid feeding end of oil pump, oil strainer and power supply, the oil pump is connected to the pedestal
Top, the outlet end of the oil pump connects the lower part of the pedestal by the oil strainer.
2. a kind of intelligent lubricating long-life oscillating bearing flexural pivot according to claim 1, it is characterised in that: the pin shaft
One end is installed with flange, and the flange is mounted between two groups of angular contact articulated bearings.
3. a kind of intelligent lubricating long-life oscillating bearing flexural pivot according to claim 1, it is characterised in that: the pedestal and
Threaded connection is used between bottom plate.
4. a kind of intelligent lubricating long-life oscillating bearing flexural pivot according to claim 1, it is characterised in that: the bellows
Seal closure passes through annular lock ring circle and connects the pin shaft with O-ring seal.
5. a kind of intelligent lubricating long-life oscillating bearing flexural pivot according to claim 1, it is characterised in that: the pressing plate and
O-ring seal is equipped between the pedestal.
6. a kind of intelligent lubricating long-life oscillating bearing flexural pivot according to claim 1, it is characterised in that: the power supply is
The solar energy power accumulating energy comprising battery and solar energy sailboard.
7. a kind of intelligent lubricating long-life oscillating bearing flexural pivot according to claim 1, it is characterised in that: the pedestal is also
Liquidometer is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910386848.5A CN110081076A (en) | 2019-05-09 | 2019-05-09 | A kind of intelligent lubricating long-life oscillating bearing flexural pivot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910386848.5A CN110081076A (en) | 2019-05-09 | 2019-05-09 | A kind of intelligent lubricating long-life oscillating bearing flexural pivot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110081076A true CN110081076A (en) | 2019-08-02 |
Family
ID=67419539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910386848.5A Pending CN110081076A (en) | 2019-05-09 | 2019-05-09 | A kind of intelligent lubricating long-life oscillating bearing flexural pivot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110081076A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116852340A (en) * | 2023-09-05 | 2023-10-10 | 昆山智能装备研究院 | High-speed transfer arm mechanism |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB526263A (en) * | 1939-03-10 | 1940-09-13 | Automotive Prod Co Ltd | Improvements in or relating to ball and socket universal joints |
| US5112140A (en) * | 1988-11-17 | 1992-05-12 | Dmitry Cherny | Seal assembly for reciprocating members |
| US5358342A (en) * | 1992-12-17 | 1994-10-25 | Case Corporation | Pivot assembly with gravity lubrication feature |
| CN2856563Y (en) * | 2006-07-27 | 2007-01-10 | 武大乐 | Steering bulb adopting knuckle bearing |
| CN203363611U (en) * | 2013-07-05 | 2013-12-25 | 陕西科技大学 | Lubrication system of drying portion of high-speed paper machine |
| CN203532508U (en) * | 2013-09-26 | 2014-04-09 | 中国船舶重工集团公司第七一〇研究所 | Movable rod fixing device |
| CN203926368U (en) * | 2014-06-24 | 2014-11-05 | 襄阳博亚精工装备股份有限公司 | The accurate ball socket bearing of revolving type |
| CN104235172A (en) * | 2013-12-13 | 2014-12-24 | 襄阳振本传动设备有限公司 | Precise ball socket bearing |
| CN204458805U (en) * | 2015-03-11 | 2015-07-08 | 宁波优适捷传动件有限公司 | Ball joint assembly |
| CN204493464U (en) * | 2014-12-25 | 2015-07-22 | 上海市轴承技术研究所 | Prevent turning round self-lubricating knuckle bearing and helicopter rotor system |
| CN106080765A (en) * | 2016-08-18 | 2016-11-09 | 安徽江淮汽车股份有限公司 | A kind of non-maintaining drag-link joint |
| CN207814091U (en) * | 2017-12-25 | 2018-09-04 | 河海大学常州校区 | A kind of hydraulic cylinder universal coupling device |
| CN210106411U (en) * | 2019-05-09 | 2020-02-21 | 福建龙溪轴承(集团)股份有限公司 | Lubricated long-life joint bearing ball pivot of intelligence |
-
2019
- 2019-05-09 CN CN201910386848.5A patent/CN110081076A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB526263A (en) * | 1939-03-10 | 1940-09-13 | Automotive Prod Co Ltd | Improvements in or relating to ball and socket universal joints |
| US5112140A (en) * | 1988-11-17 | 1992-05-12 | Dmitry Cherny | Seal assembly for reciprocating members |
| US5358342A (en) * | 1992-12-17 | 1994-10-25 | Case Corporation | Pivot assembly with gravity lubrication feature |
| CN2856563Y (en) * | 2006-07-27 | 2007-01-10 | 武大乐 | Steering bulb adopting knuckle bearing |
| CN203363611U (en) * | 2013-07-05 | 2013-12-25 | 陕西科技大学 | Lubrication system of drying portion of high-speed paper machine |
| CN203532508U (en) * | 2013-09-26 | 2014-04-09 | 中国船舶重工集团公司第七一〇研究所 | Movable rod fixing device |
| CN104235172A (en) * | 2013-12-13 | 2014-12-24 | 襄阳振本传动设备有限公司 | Precise ball socket bearing |
| CN203926368U (en) * | 2014-06-24 | 2014-11-05 | 襄阳博亚精工装备股份有限公司 | The accurate ball socket bearing of revolving type |
| CN204493464U (en) * | 2014-12-25 | 2015-07-22 | 上海市轴承技术研究所 | Prevent turning round self-lubricating knuckle bearing and helicopter rotor system |
| CN204458805U (en) * | 2015-03-11 | 2015-07-08 | 宁波优适捷传动件有限公司 | Ball joint assembly |
| CN106080765A (en) * | 2016-08-18 | 2016-11-09 | 安徽江淮汽车股份有限公司 | A kind of non-maintaining drag-link joint |
| CN207814091U (en) * | 2017-12-25 | 2018-09-04 | 河海大学常州校区 | A kind of hydraulic cylinder universal coupling device |
| CN210106411U (en) * | 2019-05-09 | 2020-02-21 | 福建龙溪轴承(集团)股份有限公司 | Lubricated long-life joint bearing ball pivot of intelligence |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116852340A (en) * | 2023-09-05 | 2023-10-10 | 昆山智能装备研究院 | High-speed transfer arm mechanism |
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