CN106351954A - Mechanical flexible connection structure and transmission shaft device by using flexible connection structure - Google Patents
Mechanical flexible connection structure and transmission shaft device by using flexible connection structure Download PDFInfo
- Publication number
- CN106351954A CN106351954A CN201610777350.8A CN201610777350A CN106351954A CN 106351954 A CN106351954 A CN 106351954A CN 201610777350 A CN201610777350 A CN 201610777350A CN 106351954 A CN106351954 A CN 106351954A
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- China
- Prior art keywords
- shaft
- rotating shaft
- top pressure
- interior rotating
- interior
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Classifications
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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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
-
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Flexible Shafts (AREA)
Abstract
The invention relates to a mechanical flexible connection structure and a transmission shaft device by using the flexible connection structure. The flexible connection structure comprises an inner rotating shaft and an outer shaft sleeve, wherein the inner rotating shaft penetrates through the outer shaft sleeve; a pit is formed in the peripheral surface of the inner rotating shaft; an elastic hose, which is arranged on the inner rotating shaft in a sleeving manner and covers the pit, is arranged between the inner rotating shaft and the outer shaft sleeve; a mounting hole extending in the radial direction is formed in the sleeve wall of the outer shaft sleeve; a pressing column used for pressing the tube wall of the elastic hose in the radial direction so as to press the tube wall of the elastic tube at a corresponding position into the pit is assembled in the mounting hole; a tube wall positioned between the pressing column and the pit on the elastic hose in the peripheral direction of the inner rotating shaft is a deformable tube wall capable of elastically deforming in the peripheral direction of the inner rotating shaft. Because the elastic hose is small in elastic modulus, the inner rotating shaft can adapt to the position and rotating precision of the outer shaft sleeve; therefore, flexible connection between a driving part and a driven part is realized.
Description
Technical field
The present invention relates to a kind of mechanical type flexible connection structure and the driveline using this flexible connection structure.
Background technology
In the mechanical driving device of only transmitting torque and speed, warp is frequently with flexible connection structure to realize machine driving.
Conventional mechanical type be flexible coupling mode mainly have several: 1, using standard component yielding coupling realize be flexible coupling；2nd, utilize
Corrugated tube is realized being flexible coupling；3rd, the method connecting the flange of two using tightrope is realized being flexible coupling.
But above-mentioned several methods that are flexible coupling all respectively have pluses and minuses, such as realize being flexible coupling using yielding coupling in method 1
Although structure relatively simple, need extra to arrange shaft coupling, for micromachine connection, due to linking intensity and knot
The restriction of structure size, the size of yielding coupling tends not to meet and requires；For method 2, realize being flexible coupling using corrugated tube
In the case that major advantage is two connecting shaft decentractions, simple, but axial dimension requires than larger；For method 3 axis
Smaller to dimensional requirement, but radial dimension requires than larger.
Above-mentioned several situation all has higher requirements to the driving link coupling and the axial dimension of driven member or radial dimension, no
Can be too small, otherwise cannot meet the requirement that is normally flexible coupling.But for size less micromachine attachment structure, due to
Driving link and driven member size are all less, and the assembly space between driving link and driven member is effectively it is impossible to directly apply above-mentioned
Several higher to assembly space dimensional requirement several modes that are flexible coupling.
Content of the invention
The present invention provides a kind of mechanical type flexible connection structure, to solve the mode that is flexible coupling of the prior art to assembly space
Dimensional requirement higher and be not suitable for micromachine connect in technical problem；The present invention also provides one kind to be flexible coupling using above-mentioned
The driveline of structure.
The technical scheme of mechanical type flexible connection structure provided by the present invention is: a kind of mechanical type flexible connection structure, including
For be arranged in driving link and driven member to be coupled one of on interior rotating shaft and be arranged on the outer shaft on another
Set, interior rotating shaft is set in outer shaft, and the outer peripheral face of interior rotating shaft is provided with pit, is disposed with suit between interior rotating shaft and outer shaft
In interior rotating shaft and cover the elastic hose of described pit, elastic hose has the inner circumferential that contact is fitted on interior rotating shaft outer peripheral face
Face with contact the outer peripheral face being fitted on outer shaft inner peripheral surface, the jacket wall of outer shaft is provided with the installing hole radially extending, peace
It is equipped with tube wall for elastic hose described in radially top pressure with by the tube wall jacking of elastic hose corresponding position in dress hole
Top pressure post in described pit, being located between described top pressure post and pit on interior shaft circumference direction on described elastic hose
Tube wall be can be along the deformation tube wall of interior shaft circumference direction elastic deformation.
Described installing hole is screw mounting hole, and described top pressure post is the top pressure screw with screw mounting hole threaded engagement.
The end towards described elastic hose of described top pressure screw is butt frustum structure, the side of butt frustum structure
Wall is that tapered slope is become for described deformation tube wall elasticity with being formed in described tapered slope both sides on interior shaft circumference direction
The deformation gap of shape.
The length wearing the shaft part overlapping in described interior rotating shaft with described outer shaft is l, the wall thickness of described elastic hose
For 0.05l-0.3l.
Described elastic hose is pure polyfluortetraethylene pipe.
The length dimension that described pit is more than in interior rotating shaft axial direction in the length dimension on interior shaft circumference direction.
The technical scheme of driveline provided by the present invention is: a kind of driveline, including for corresponding transmission
Connect driving shaft and driven shaft, be provided with mechanical type flexible connection structure between driving shaft and driven shaft, flexible connection structure include with
Interior rotating shaft and the outer shaft being fixedly and coaxially connected with another that one of them in driving shaft and driven shaft is fixedly and coaxially connected,
Interior rotating shaft is set in outer shaft, and the outer peripheral face of interior rotating shaft is provided with pit, is disposed with and is sleeved between interior rotating shaft and outer shaft
In interior rotating shaft and cover the elastic hose of described pit, elastic hose has the inner peripheral surface that contact is fitted on interior rotating shaft outer peripheral face
With contact the outer peripheral face being fitted on outer shaft inner peripheral surface, the jacket wall of outer shaft is provided with the installing hole radially extending, install
It is equipped with tube wall for elastic hose described in radially top pressure with by the tube wall jacking institute of elastic hose corresponding position in hole
State the top pressure post in pit, being located between described top pressure post and pit on interior shaft circumference direction on described elastic hose
Tube wall is can be along the deformation tube wall of interior shaft circumference direction elastic deformation.
Described installing hole is screw mounting hole, and described top pressure post is the top pressure screw with screw mounting hole threaded engagement.
The end towards described elastic hose of described top pressure screw is butt frustum structure, the side of butt frustum structure
Wall is that tapered slope is become for described deformation tube wall elasticity with being formed in described tapered slope both sides on interior shaft circumference direction
The deformation gap of shape.
The length wearing the shaft part overlapping in described interior rotating shaft with described outer shaft is l, the wall thickness of described elastic hose
For 0.05l-0.3l.
The invention has the beneficial effects as follows: in mechanical type flexible connection structure provided by the present invention, it is correspondingly arranged at driving link
With the interior rotating shaft on driven member and outer shaft, realize internal turn-week using the elastic hose being arranged between interior rotating shaft and outer shaft
Grafting assembling with outer shaft, and using locating dowel radially by the respective dimple of rotating shaft in the corresponding tube wall jacking of elastic hose
In, so, using interior rotating shaft, elastic hose, locating dowel and outer shaft so realize moment of torsion between driving link and driven member and
Speed is transmitted.Because the elastic modelling quantity of elastic hose is little, it is easily deformed, therefore interior rotating shaft can be made to adapt to position and the rotation of outer shaft
Precision, thus realize being flexible coupling between driving link and driven member.And, due on elastic hose in interior shaft circumference direction
The upper tube wall being located between top pressure post and pit is so can be able to delay along the deformation tube wall of interior shaft circumference direction elastic deformation
Rush transmitted circumferential moment of torsion, reduce the circumference impact to elastic hose and locating dowel.
Further, dress elastic hose is pushed up using top pressure screw, to be easy to rotate the position of top pressure screw according to actual needs
Put, and then to adjust the predeformation degree at elastic hose and pit opposite position, meet different duty requirements.
Further, the end towards described elastic hose of top pressure screw is butt frustum structure, butt frustum structure
Side wall be tapered slope with interior shaft circumference direction in described tapered slope both sides formed deformation gap, for above-mentioned
There is elastic deformation when by circumference extruding in deformation tube wall.
Further, the length ruler that pit is more than in interior rotating shaft axial direction in the length dimension on interior shaft circumference direction
Very little, there is elastic deformation in the deformation tube wall being easy to above-mentioned elastic hose.
Brief description
Fig. 1 is a kind of structural representation of embodiment of mechanical type flexible connection structure provided by the present invention；
Fig. 2 is the sectional view of soft connection device shown in Fig. 1；
Fig. 3 is the structural representation of interior rotating shaft in Fig. 1；
Fig. 4 is the side view of interior rotating shaft shown in Fig. 3.
Specific embodiment
As shown in Figures 1 to 4, a kind of embodiment of mechanical type flexible connection structure, the soft connection device bag in this embodiment
Include for the interior rotating shaft 3 being arranged on driving link to be coupled and the outer shaft 2, interior rotating shaft 3 and the driving link that are located on driven member
Integrally coaxially arranged, and outer shaft 2 is then coaxially arranged with driven member one.Interior rotating shaft 3 is set in outer shaft 2, interior rotating shaft 2
Outer peripheral face is provided with pit 31, is disposed with the bullet being sleeved in interior rotating shaft 3 and covering pit 31 between interior rotating shaft 3 and outer shaft 2
Property flexible pipe 4, elastic hose 4 herein specifically adopts pure polyfluortetraethylene pipe, and elastic hose 4 has contact and is fitted in interior rotating shaft 3
Inner peripheral surface on outer peripheral face is provided with radially with contacting the outer peripheral face being fitted on outer shaft 2 inner peripheral surface, the jacket wall of outer shaft 2
The installing hole 21 extending, installing hole herein is specially screw mounting hole, is equipped with for radially top pressure bullet in installing hole 21
The tube wall of property flexible pipe 4 with the top pressure post 1 in the tube wall jacking pit 31 by elastic hose 4 corresponding position, top pressure post 1 herein
It is specially top pressure screw with screw mounting hole threaded engagement, elastic hose 4 is located at top pressure on interior shaft circumference direction
Tube wall between post 1 and pit 31 is can be along the deformation tube wall of interior shaft circumference direction elastic deformation.
For ease of the deformation tube wall compressive deformation of elastic hose 4, as top pressure post 1 top pressure screw towards elastic hose
4 end is butt frustum structure, the side wall of butt frustum structure for tapered slope with interior shaft circumference direction in institute
State tapered slope both sides and form the deformation gap for described deformation tube wall elastic deformation.
In the present embodiment, the length that pit is more than in interior rotating shaft axial direction in the length dimension on interior shaft circumference direction
Size.
In general, the wall thickness of the elastic hose between interior rotating shaft and outer shaft can go deep into the length of outer shaft according to interior rotating shaft
The degree length that i.e. interior rotating shaft 3 wears, with outer shaft 2, the shaft part overlapping to determine, the length such as wearing the shaft part of coincidence is l, elasticity
The wall thickness of flexible pipe is 0.05l-0.3l, and proportionality coefficient depends on concentricity and elastic hose and the top pressure of interior rotating shaft and outer shaft
The machining accuracy of the drive disk assemblies such as post, when interior rotating shaft and outer shaft good concentricity and when drive disk assembly machining accuracy is high, ratio system
Number is desirable lower, and when the concentricity of driving shaft and driven shaft is inserted and drive disk assembly precision is low, proportionality coefficient takes height.
The mechanical type soft connection device that the present embodiment is provided realizes the transmission of moment of torsion and speed, interior rotating shaft and outer shaft it
Between using elastic hose excessively it is ensured that being mutually adapted between interior rotating shaft and outer shaft.When interior axis of rotation, because interior rotating shaft
3 is the axle with pit 31, when interior rotating shaft 3 turns to pit 31 with top pressure post 1 corresponding position, the corresponding position of elastic hose 4
Tube wall will be entered in pit 31 by top pressure capital, thus realize the transmission of moment of torsion and speed using elastic hose 4 and top pressure post.By
Little in the elastic modelling quantity of the elastic hose using pure politef, easily deform, therefore can enable driving shaft well adapt to from
The position of moving axis and rotation precision, thus realize mechanical type be flexible coupling.
In fact, in actual mechanical process, can be preferably for making the mechanical type between driving link and driven member be flexible coupling
Adapt to, in assembling, so that the pit of interior rotating shaft and the screw mounting hole on outer shaft is aligned, screw mounting hole screws conduct
The top pressure screw of top pressure post makes interior rotating shaft and outer shaft relatively unrotatable, and then top pressure screw is loosened 0.5-1 more backward
Circle, situation about loosening is smart according to the concentricity of interior rotating shaft and outer shaft and the processing of the drive disk assembly such as elastic hose and top pressure post
Du Laiding, when interior rotating shaft and outer shaft good concentricity and when drive disk assembly machining accuracy is high, loosens a little less, and work as driving shaft and from
When the concentricity of moving axis is inserted and drive disk assembly precision is low, loosen a little more.
Mechanical type provided by the present invention is flexible coupling, and the radial and axial size of interior rotating shaft and outer shaft need not increase, right
Radial dimension and axial dimension requirement are relatively low, are particularly suitable for applying and miniature flexible connection structure, and overall structure is relatively easy, easily
In realization.
In the present embodiment, interior rotating shaft and driving link are integrally coaxially disposed, and outer shaft is integrally coaxially disposed with driven member, at it
It is also possible to integrally be coaxially disposed interior rotating shaft and driven member in his embodiment, and outer shaft is integrally coaxially disposed with driving link.
In the present embodiment, top pressure post adopts top pressure screw, is easy to adjust the elasticity of top pressure post according to actual needs, in other embodiment
In it is also possible to draw-in groove is arranged on installing hole and top pressure post, card in installing hole and the draw-in groove of top pressure post is arranged on by correspondence
Ring realizes positioning to top pressure post, as long as rotating shaft and outer in the corresponding tube wall of elastic hose being headed in pit and then be realized
Moment of torsion and the transmission of speed that week covers.
In the present embodiment, elastic hose adopts pure polytetrafluoroethylmaterial material, in other embodiments, it would however also be possible to employ other
Material, as long as having preferable elastic modelling quantity, to meet deformation needs, so in realizing the moment of torsion between rotating shaft and periphery set and
The transmission of speed.
The present invention also provides a kind of driveline, and it includes driving shaft and the driven shaft being in transmission connection for correspondence, main
It is provided with mechanical type flexible connection structure, mechanical type is flexible coupling assembling structure using shown in above-mentioned Fig. 1 to Fig. 4 between moving axis and driven shaft
Flexible connection structure, will not be described here, and so that interior rotating shaft and driving shaft is integrally coaxially disposed, and outer shaft is coaxially set with driven shaft one
Put.Certainly, in other embodiments, interior rotating shaft can also be coaxially disposed with driving shaft split, and outer shaft can also be with driven shaft
Split is coaxially disposed.
Claims (10)
1. a kind of mechanical type flexible connection structure it is characterised in that: include for being arranged in driving link and driven member to be coupled
One of on interior rotating shaft and the outer shaft being arranged on another, interior rotating shaft is set in outer shaft, interior rotating shaft outward
Side face is provided with pit, be disposed between interior rotating shaft and outer shaft be sleeved in interior rotating shaft and cover described pit elasticity soft
Pipe, elastic hose have the inner peripheral surface that is fitted on interior rotating shaft outer peripheral face of contact and contacting be fitted on outer shaft inner peripheral surface outward
Side face, the jacket wall of outer shaft is provided with the installing hole radially extending, and is equipped with for bullet described in radially top pressure in installing hole
The tube wall of property flexible pipe with the top pressure post in pit described in the tube wall jacking by elastic hose corresponding position, on described elastic hose
The tube wall between described top pressure post and pit of being located on interior shaft circumference direction be can to become along interior shaft circumference direction elasticity
The deformation tube wall of shape.
2. mechanical type flexible connection structure according to claim 1 it is characterised in that: described installing hole be screw install
Hole, described top pressure post is the top pressure screw with screw mounting hole threaded engagement.
3. mechanical type flexible connection structure according to claim 2 it is characterised in that: described top pressure screw towards described
The end of elastic hose is butt frustum structure, and the side wall of butt frustum structure is tapered slope with interior shaft circumference direction
On in described tapered slope both sides formed for described deformation tube wall elastic deformation deformation gap.
4. mechanical type flexible connection structure according to claim 1 it is characterised in that: with described outer shaft in described interior rotating shaft
The length that set wears the shaft part of coincidence is l, and the wall thickness of described elastic hose is 0.05l-0.3l.
5. mechanical type flexible connection structure according to any one of claim 1 to 4 it is characterised in that: described elasticity is soft
Guan Weichun polyfluortetraethylene pipe.
6. mechanical type flexible connection structure according to any one of claim 1 to 4 it is characterised in that: described pit exists
Length dimension on interior shaft circumference direction is more than the length dimension in interior rotating shaft axial direction.
7. a kind of driveline, including the driving shaft being in transmission connection for correspondence and driven shaft, between driving shaft and driven shaft
Be provided with mechanical type flexible connection structure it is characterised in that: flexible connection structure include with driving shaft and driven shaft in one of with
Interior rotating shaft and the outer shaft being fixedly and coaxially connected with another that axle is fixedly connected, interior rotating shaft is set in outer shaft, interior rotating shaft
Outer peripheral face be provided with pit, be disposed with the elasticity being sleeved in interior rotating shaft and covering described pit between interior rotating shaft and outer shaft
Flexible pipe, elastic hose has the inner peripheral surface that is fitted on interior rotating shaft outer peripheral face of contact and is fitted on outer shaft inner peripheral surface with contacting
Outer peripheral face, the jacket wall of outer shaft is provided with the installing hole radially extending, and is equipped with for described in radially top pressure in installing hole
The tube wall of elastic hose is with the top pressure post in pit described in the tube wall jacking by elastic hose corresponding position, described elastic hose
On the tube wall between described top pressure post and pit of being located on interior shaft circumference direction be can be along interior shaft circumference direction elasticity
The deformation tube wall of deformation.
8. driveline according to claim 7 it is characterised in that: described installing hole be screw mounting hole, described
Top pressure post is the top pressure screw with screw mounting hole threaded engagement.
9. driveline according to claim 8 it is characterised in that: described top pressure screw soft towards described elasticity
The end of pipe is butt frustum structure, the side wall of butt frustum structure for tapered slope with interior shaft circumference direction in institute
State tapered slope both sides and form the deformation gap for described deformation tube wall elastic deformation.
10. driveline according to claim 7 it is characterised in that: wear with described outer shaft in described interior rotating shaft
The length of the shaft part that set overlaps is l, and the wall thickness of described elastic hose is 0.05l-0.3l.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610777350.8A CN106351954B (en) | 2016-08-31 | 2016-08-31 | A kind of mechanical flexible connection structure and the driveline using the flexible connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610777350.8A CN106351954B (en) | 2016-08-31 | 2016-08-31 | A kind of mechanical flexible connection structure and the driveline using the flexible connection structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106351954A true CN106351954A (en) | 2017-01-25 |
| CN106351954B CN106351954B (en) | 2018-10-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610777350.8A Active CN106351954B (en) | 2016-08-31 | 2016-08-31 | A kind of mechanical flexible connection structure and the driveline using the flexible connection structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN106351954B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109185341A (en) * | 2018-09-13 | 2019-01-11 | 安徽润康橡塑科技股份有限公司 | A kind of soft coupling sleeve of CR |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3463520A (en) * | 1968-03-06 | 1969-08-26 | Jerome C Turro | Combination collar-clamp and shaft coupling |
| GB2079695A (en) * | 1980-07-09 | 1982-01-27 | Schmidt Gmbh Karl | Axially adjustable steering wheel for vehicles |
| AU571965B2 (en) * | 1985-04-23 | 1988-04-28 | Coffey, Brian Kenneth | Clamping collar |
| CN1040665A (en) * | 1988-08-23 | 1990-03-21 | 莫齐创新公司 | Shaft positioning and coupling device |
| US20060291764A1 (en) * | 2005-06-23 | 2006-12-28 | The Timken Company | Clamping arrangement for securing an annular component to a shaft |
| US20120076575A1 (en) * | 2010-09-23 | 2012-03-29 | C-Flex Bearing Co., Inc. | Clamping bushing |
| DE102013100129A1 (en) * | 2013-01-08 | 2014-07-10 | Wittenstein Ag | Device for clamping hub on shaft of motor e.g. electric motor, has clamping ring that includes lower clamping points which are arranged in clamping ring against hub |
-
2016
- 2016-08-31 CN CN201610777350.8A patent/CN106351954B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3463520A (en) * | 1968-03-06 | 1969-08-26 | Jerome C Turro | Combination collar-clamp and shaft coupling |
| GB2079695A (en) * | 1980-07-09 | 1982-01-27 | Schmidt Gmbh Karl | Axially adjustable steering wheel for vehicles |
| AU571965B2 (en) * | 1985-04-23 | 1988-04-28 | Coffey, Brian Kenneth | Clamping collar |
| CN1040665A (en) * | 1988-08-23 | 1990-03-21 | 莫齐创新公司 | Shaft positioning and coupling device |
| US20060291764A1 (en) * | 2005-06-23 | 2006-12-28 | The Timken Company | Clamping arrangement for securing an annular component to a shaft |
| US20120076575A1 (en) * | 2010-09-23 | 2012-03-29 | C-Flex Bearing Co., Inc. | Clamping bushing |
| DE102013100129A1 (en) * | 2013-01-08 | 2014-07-10 | Wittenstein Ag | Device for clamping hub on shaft of motor e.g. electric motor, has clamping ring that includes lower clamping points which are arranged in clamping ring against hub |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109185341A (en) * | 2018-09-13 | 2019-01-11 | 安徽润康橡塑科技股份有限公司 | A kind of soft coupling sleeve of CR |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106351954B (en) | 2018-10-23 |
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Effective date of registration: 20180516 Address after: 471000 No. 1 axis research road, Jianxi science and Technology Industrial Park, Luoyang, Henan Applicant after: Luoyang Bearing Research Institute Address before: 471039 Fenghua Road 6, hi tech Development Zone, Luoyang, Henan. Applicant before: Zhouyan Science and Technology Co., Ltd., Luoyang |
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