CN103899642B - Medical crane rotary arm slewing mechanism integrating slewing device - Google Patents
Medical crane rotary arm slewing mechanism integrating slewing device Download PDFInfo
- Publication number
- CN103899642B CN103899642B CN201210580222.6A CN201210580222A CN103899642B CN 103899642 B CN103899642 B CN 103899642B CN 201210580222 A CN201210580222 A CN 201210580222A CN 103899642 B CN103899642 B CN 103899642B
- Authority
- CN
- China
- Prior art keywords
- flange
- outer ring
- inner ring
- slewing
- roller
- 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.)
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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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/34—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
- F16C19/38—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
- F16C19/383—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone
- F16C19/385—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone with two rows, i.e. double-row tapered roller bearings
- F16C19/386—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone with two rows, i.e. double-row tapered roller bearings in O-arrangement
-
- 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
- F16C2300/00—Application independent of particular apparatuses
- F16C2300/10—Application independent of particular apparatuses related to size
- F16C2300/14—Large applications, e.g. bearings having an inner diameter exceeding 500 mm
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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
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a slewing device and a medical crane rotary arm slewing mechanism integrating the slewing device; the slewing device comprises an inner ring, an outer ring, a roller and a retainer, wherein the roller and the retainer are arranged between the inner ring and the outer ring, and combine the inner ring and the outer ring, the inner ring and the outer ring can rotate relatively without separation, one end of the inner ring is provided with a flange, and the flange is located outside the outer ring; one end of the outer ring is also provided with a flange, wherein the end of the outer ring is away from the inner ring flange, the inner ring flange and the outer ring flange are used for connecting parts in relative slewing. The medical crane rotary arm slewing mechanism includes a rotary arm, the slewing device and a fixing flange, the rotary arm is in connection with one flange of the slewing device, and the fixing flange is in connection with the other flange of the slewing device. The medical crane rotary arm slewing mechanism solves the problems that medical crane rotary arm slewing mechanisms in the prior art are complex in structure and high in cost, and a standard bearing cannot meet demand of inner holes to pass through multi pipelines, and has the advantages of simple structure, low cost, convenient installation, high reliability and the like.
Description
Technical field
The present invention relates to slewing equipment and medical hoist tower spiral arm swing mechanism.
Background technology
At present, slew gear has a variety of forms, has plenty of and adds part using sliding bearing and machine and be combined into slew gear, has
Be to add part with rolling bearing and machine to be combined into slew gear, be then used further to need on the part that relatively turns round.
Existing medical hoist tower spiral arm swing mechanism complex structure, high cost, standard rolling bearing can not meet endoporus pass through a plurality of
Supply, for the demand of electric line, can cause structure overall dimensions to increase using big standard rolling bearing again, make raw materials consumption and become
This increases further.
Content of the invention
It is an object of the invention to provide the medical hoist tower spiral arm turn-around machine of a kind of slewing equipment and this slewing equipment integrated
Structure, to solve existing medical hoist tower spiral arm swing mechanism complex structure, high cost, standard rolling bearing can not meet endoporus and pass through multitube
The problem of the demand of line.
For reaching this purpose, the present invention employs the following technical solutions：
A kind of slewing equipment, it includes inner ring, outer ring, roller and retainer, and described roller and retainer are arranged on inner ring
And outer ring between, and inner ring and outer ring is made to combine, described inner ring and outer ring can relatively rotate and not separate, one end of described inner ring
It is provided with flange, this flange is located at outside outer ring, and described outer ring is also equipped with flange away from one end of inner ring flange, described inner ring method
Orchid is used for connecting the parts of relative revolution with outer ring flange.
Preferably, described roller is double-row conical.
Preferably, described inner ring is made up of flanged interior collar member and spacing interior collar member, described flanged interior collar member and spacing
Interior collar member is bolted, and described spacing interior collar member is stuck in the outer end of the roller of outer ring flange side.
A kind of medical hoist tower spiral arm swing mechanism, it includes spiral arm, slewing equipment and mounting flange, described slewing equipment bag
Include inner ring, outer ring, roller and retainer, described roller and retainer are arranged between inner ring and outer ring, and make inner ring and outer ring
Can relatively rotate and not separate in conjunction with, described inner ring and outer ring, one end of described inner ring is provided with flange, this flange is located at outer ring
Outward, described outer ring is also equipped with flange away from one end of inner ring flange, and described spiral arm is connected with a flange of slewing equipment, institute
State mounting flange to be connected with another flange of slewing equipment.
Preferably, described roller is double-row conical.
Preferably, described inner ring is made up of flanged interior collar member and spacing interior collar member, described flanged interior collar member and spacing
Interior collar member is bolted, and described spacing interior collar member is stuck in the outer end of the roller of outer ring flange side.
Beneficial effects of the present invention are：Structure is simple, low cost, the big I of inner ring endoporus make as needed, completely may be used
Meet the demand for electric line through a plurality of supply, and rotation is flexible, easy for installation, large carrying capacity, reliability are high, safety
Good.
Brief description
Fig. 1 is the schematic front view of the slewing equipment of the embodiment of the present invention；
Fig. 2 is cross-sectional schematic at A-A for the slewing equipment shown in Fig. 1；
Fig. 3 is the schematic top plan view of slewing equipment shown in Fig. 1；
Fig. 4 is the schematic front view of the medical hoist tower spiral arm swing mechanism of the embodiment of the present invention；
Fig. 5 is the left view schematic diagram of medical hoist tower spiral arm swing mechanism shown in Fig. 4.
In figure：0th, slewing equipment；1st, inner ring；11st, flanged interior collar member；12nd, spacing interior collar member；2nd, outer ring；3rd, roller；4、
Spiral arm；5th, mounting flange；6th, interior hexagonal cylindrical hook bolt.
Specific embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, to describe the present invention in detail.
As shown in Figures 1 to 3, the slewing equipment 0 of the present embodiment includes inner ring 1, outer ring 2, roller 3 and retainer, roller 3 and
Retainer is arranged between inner ring 1 and outer ring 2, and so that inner ring 1 and outer ring 2 is combined, and retainer makes several rollers 3 keep certain
Interval, it is to avoid contact with each other and collide, thus carrying out round and smooth rolling, inner ring 1 and outer ring 2 can relatively rotate and not separate,
One end of described inner ring 1 is provided with flange, and this flange is located at outside outer ring 2, and outer ring 2 is also equipped with away from one end of inner ring 1 flange
Flange, described inner ring 1 flange and outer ring 2 flange are used for connecting the parts of relative revolution.
Preferably, roller 3 is double-row conical.The roller 3 of biserial constitutes relative stress frame structure with retainer,
Axially and radially power can be born.
For ease of manufacturing it is preferable that inner ring 1 is made up of flanged interior collar member 11 and spacing interior collar member 12, flanged inner ring
Part 11 and spacing interior collar member 12 are bolted, and spacing interior collar member 12 is stuck in the outer end of the roller 3 of outer ring 2 flange side.
As shown in Fig. 1～5, the medical hoist tower spiral arm swing mechanism of integrated above-mentioned slewing equipment includes spiral arm 4, slewing equipment
0 and mounting flange 5, slewing equipment 0 includes inner ring 1, outer ring 2, roller 3 and retainer, and roller and retainer are arranged on inner ring 1 He
Between outer ring 2, and inner ring 1 and outer ring 2 is made to combine, inner ring 1 and outer ring 2 can relatively rotate and not separate, one end setting of inner ring 1
There is flange, this flange is located at outside outer ring 2, and outer ring 2 is also equipped with flange away from one end of inner ring 1 flange, one of slewing equipment 0
Flange is connected with spiral arm 4, and another flange is connected with mounting flange 5, then, by the fixed pedestal phase of mounting flange 5 and hospital
Even.
Preferably, roller 3 is double-row conical.The roller 3 of biserial constitutes relative stress frame structure with retainer,
Axially and radially power can be born, thus meeting the requirement that medical hoist tower spiral arm swing mechanism bears big moment of flexure.
For ease of manufacturing it is preferable that inner ring 1 is made up of flanged interior collar member 11 and spacing interior collar member 12, flanged inner ring
Part 11 and spacing interior collar member 12 are bolted, and spacing interior collar member 12 is stuck in the outer end of the roller 3 of outer ring 2 flange side.
The present invention solves existing medical hoist tower spiral arm swing mechanism complex structure, high cost, standard rolling bearing can not meet
Endoporus passes through the problem of the demand of multi-line, has that structure is simple, low cost, the big I of inner ring endoporus make as needed, complete
The demand for electric line through a plurality of supply entirely can be met, and rotate flexibly, rotate that noise is little, easy for installation, large carrying capacity,
The advantage that reliability is high, safety is good.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (2)
1. a kind of medical hoist tower spiral arm swing mechanism, it include spiral arm, slewing equipment and mounting flange it is characterised in that：Described
Slewing equipment includes inner ring, outer ring, roller and retainer, and described roller and retainer are arranged between inner ring and outer ring, and make
Inner ring and outer ring combine, and described inner ring and outer ring can relatively rotate and not separate, and one end of described inner ring is provided with flange, this method
Blue be located at outside outer ring, described outer ring is also equipped with flange away from one end of inner ring flange, one of described spiral arm and slewing equipment
Flange connects, and described mounting flange is connected with another flange of slewing equipment；
Described inner ring is made up of flanged interior collar member and spacing interior collar member, and described flanged interior collar member and spacing interior collar member pass through spiral shell
Tether and connect, described spacing interior collar member is stuck in the outer end of the roller of outer ring flange side.
2. medical hoist tower spiral arm swing mechanism according to claim 1 it is characterised in that：Described roller is double row tapered roller
Son.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210580222.6A CN103899642B (en) | 2012-12-27 | 2012-12-27 | Medical crane rotary arm slewing mechanism integrating slewing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210580222.6A CN103899642B (en) | 2012-12-27 | 2012-12-27 | Medical crane rotary arm slewing mechanism integrating slewing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103899642A CN103899642A (en) | 2014-07-02 |
| CN103899642B true CN103899642B (en) | 2017-02-15 |
Family
ID=50991157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210580222.6A Active CN103899642B (en) | 2012-12-27 | 2012-12-27 | Medical crane rotary arm slewing mechanism integrating slewing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103899642B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108401707A (en) * | 2018-05-14 | 2018-08-17 | 北方民族大学 | A kind of tall and big tree trimming machine in gardens |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5471250A (en) * | 1977-09-28 | 1979-06-07 | Skf Ind Trading & Dev | Roller bearing |
| CN2499016Y (en) * | 2001-08-02 | 2002-07-10 | 东莞羚亚医护用品制造厂有限公司 | Medical hoist tower |
| CN1787925A (en) * | 2003-05-15 | 2006-06-14 | Ntn株式会社 | Tapered roller bearing device for wheel |
| CN1890115A (en) * | 2003-12-01 | 2007-01-03 | Ntn株式会社 | Bearing device for wheel |
| CN101668946A (en) * | 2007-04-25 | 2010-03-10 | 谢夫勒两合公司 | Multiple-row large roller bearing, especially axial radial bearing for the main arrangement of bearings of the rotor shaft of a wind power installation |
-
2012
- 2012-12-27 CN CN201210580222.6A patent/CN103899642B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5471250A (en) * | 1977-09-28 | 1979-06-07 | Skf Ind Trading & Dev | Roller bearing |
| CN2499016Y (en) * | 2001-08-02 | 2002-07-10 | 东莞羚亚医护用品制造厂有限公司 | Medical hoist tower |
| CN1787925A (en) * | 2003-05-15 | 2006-06-14 | Ntn株式会社 | Tapered roller bearing device for wheel |
| CN1890115A (en) * | 2003-12-01 | 2007-01-03 | Ntn株式会社 | Bearing device for wheel |
| CN101668946A (en) * | 2007-04-25 | 2010-03-10 | 谢夫勒两合公司 | Multiple-row large roller bearing, especially axial radial bearing for the main arrangement of bearings of the rotor shaft of a wind power installation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103899642A (en) | 2014-07-02 |
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| C10 | Entry into substantive examination | ||
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| C14 | Grant of patent or utility model | ||
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