CN106122296A - With the hook hinge mechanism that rolling movement is secondary - Google Patents
With the hook hinge mechanism that rolling movement is secondary Download PDFInfo
- Publication number
- CN106122296A CN106122296A CN201610473525.6A CN201610473525A CN106122296A CN 106122296 A CN106122296 A CN 106122296A CN 201610473525 A CN201610473525 A CN 201610473525A CN 106122296 A CN106122296 A CN 106122296A
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- CN
- China
- Prior art keywords
- sleeves
- articulated section
- rolling movement
- bar
- hinge mechanism
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/26—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
Abstract
The invention discloses the hook hinge mechanism that band rolling movement is secondary, including: first and second rotate bar, first and second rotation bars are the most mutually hinged and thus limit an articulated section, and each lay respectively at the both sides of articulated section, first and second sleeves, first and second sleeves are each respectively sleeved at the outside of the first and second rotation bars, and be rotatably connected with the first and second rotation bars, first end of the first and second sleeves oppresses the outer wall in articulated section the most respectively, and is rotatably connected with the outer wall of articulated section；With the first and second fastening members, the first and second fastening members be each respectively arranged at the first and second sleeves and first and second rotate bars be rotatably connected place outside, with provide make the first and second sleeves oppress the oppressive force in articulated section.Mechanism of the present invention has three rotary freedoms, running clearance is little, it is high to connect precision, range of movement is big, is particularly well-suited to the parallel type multi-freedom motion platform higher to positioning accuracy request.
Description
Technical field
The invention belongs to machine design and manufacture technical field, the hook hinge machine that a kind of band rolling movement related to is secondary
Structure.
Background technology
Parallel institution has the features such as high rigidity, high bearing capacity, high dynamic characteristic, high speed and compact conformation, so
Multi-degree-of-freedom motion platform widely used parallel structure form at present.Linkage is the critical component of parallel institution, is even
Extension bar part and the component of motion platform, its function is to provide needed for a certain centrostaltic rotation and transmission realize motion
Power.In order to reach this purpose, hinge should have 3 rotary freedoms, and when all position of rotation, pivot center is all
Can be by the same central point of hinge.Spherical linkage meets requirements above, but high accuracy spherical linkage exists processed complex
And the problem such as rotation space is little.Simple in construction for the relatively spherical hinge of hook hinge, easy to process, it is possible to reach high fortune
Dynamic precision, rotation space is relatively large, but only two degree of freedom, for some parallel institution configuration, lack a rolling
Turn kinematic pair.And hinge is as a heavy connection of parallel institution, the error that it brings can directly affect determining of mechanism
Position precision.
At present, the mechanical mechanism particularly applied in wind-tunnel in precision optical machinery field, it is desirable to the positioning precision of mechanism is high,
Compact conformation, layout preferably with slender bodies.Conventional Hooke's hinge uses cross axle, and four ends of cross axle install the axis of rolling
Holding, eliminate bearing axial clearance by the gland on hinge seat, this version is for the mechanical mechanism of use in wind-tunnel not
Requirement can be met.
Summary of the invention
It is an object of the invention to solve at least the above and/or defect, and at least will be described later excellent is provided
Point.
The parallel institution used in wind-tunnel requires to have that compact conformation, blockage percentage be low and positioning precision high.
There is structure complexity in conventional hook hinge, size is big, positioning precision is low and lacks the problems such as roll freedom, in order to solve
The problems referred to above, the invention provides the hook hinge mechanism that a kind of band rolling movement is secondary.
To this end, the technical scheme that the present invention provides is:
The hook hinge mechanism that a kind of band rolling movement is secondary, including:
First and second rotate bars, and first and second rotate that bars are the most mutually hinged and thus to limit one hinged
Portion, and described first and second rotate bars and each lay respectively at the both sides of described articulated section,
First and second sleeves, the first and second sleeves are each respectively sleeved at described first and second and rotate outside bar
Side, and with described first and second rotate bars be rotatably connected, the first end of described first and second sleeves oppress the most respectively in
One outer wall of described articulated section, and be rotatably connected with the outer wall of described articulated section；With
First and second fastening members, the first and second fastening members are each respectively arranged at described first and second sleeves
Be rotatably connected the outside at place with described first and second rotation bars, makes described first and second sleeves oppress in described hinge to provide
Connect the oppressive force in portion.
Preferably, in the hook hinge mechanism that described band rolling movement is secondary, the inwall of described first and second sleeves
On be radially provided with the first sleeve step, described first and second rotate bars is provided with away from one end of described articulated section and turns
It is provided with the first thrust bearing at lever half the circumference of the sleeve where it joins the shoulder, described first sleeve step and described rotation bar half the circumference of the sleeve where it joins the shoulder, so that described first He
Second rotates bar is rotatably connected the most respectively described in formation between described first and second sleeves；
Described first and second fastening members are each separately positioned on described first and second and rotate one end that shank diameter is little,
And it is positioned at the outside of described first thrust bearing.
Preferably, in the hook hinge mechanism that described band rolling movement is secondary, the first of described first and second sleeves
Each being respectively arranged with the second sleeve step at end, described second sleeve step is formed with space with the outer wall of described articulated section,
The second thrust bearing it is provided with, so that the outer wall of described first and second sleeves and described articulated section selects even in described space
Connect.
Preferably, in the hook hinge mechanism that described band rolling movement is secondary, described articulated section includes:
First and second hinged seats, the first and second hinged seats are each respectively arranged with two auricles, on each auricle all
Being provided with a manhole, described first and second rotate the other end of bar the most respectively with described first and second hinged seats the most even
Connect；
First and second rotary shafts, the first and second rotary shafts are separately positioned on the circle of the auricle of the first and second hinged seats
So that described first and second hinged seats are rotatably connected in shape through hole；With
Bracer, it is arranged between described first and second hinged seats, and be positioned at described first and second rotary shafts it
Between.
Preferably, in the hook hinge mechanism that described band rolling movement is secondary, described first and second sleeves are with described
The first and second wearing layers each it are respectively arranged with between first and second rotation bars.
It is further preferred that in the hook hinge mechanism of described band rolling movement pair, described first and second wearing layers are equal
For Aluminium-bronze Sleeve Coupling.
Preferably, in the hook hinge mechanism that described band rolling movement is secondary, described first and second fastening members are adopted
Use pairs of anti-loose nut structure.
The present invention at least includes following beneficial effect:
The hook hinge mechanism that the band rolling movement of the present invention is secondary, by rotating use thrust between bar and stop sleeve
Bearing is attached design, makes this form Hooke's hinge add a roll freedom, meets the rotation of locating platform in parallel
The requirement of three rotary freedoms needed for joint, it is adaptable to parallel type multi-freedom motion platform.
The hook hinge mechanism that the band rolling movement of the present invention is secondary, have employed slender bodies distribution form, structure in layout
Compact, the blocking area taking air-flow in wind-tunnel is less.
The hook hinge mechanism that the band rolling movement of the present invention is secondary, devises aluminium bronze rotating between bar and stop sleeve
Set, adds the crocking resistance of Hooke's hinge, reduces running clearance, improve motion positions precision.
The hook hinge mechanism that the band rolling movement of the present invention is secondary, is improved by a bracer and rotation shaft design and reduces
Running clearance, improves motion positions precision.
Present configuration has simple in construction, running clearance is little, it is high to connect precision, range of movement is big, have three rotations
The features such as degree of freedom.It is particularly well-suited to the parallel type multi-freedom motion platform higher to positioning accuracy request.
Part is embodied by the further advantage of the present invention, target and feature by description below, and part also will be by this
Invention research and practice and be understood by the person skilled in the art.
Accompanying drawing explanation
Fig. 1 is the hook hinge connection diagram that in one of them embodiment of the present invention, band rolling movement is secondary；
Fig. 2 is hook hinge seat connection diagram in one of them embodiment of the present invention.
Detailed description of the invention
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to description literary composition
Word can be implemented according to this.
Should be appreciated that used herein such as " have ", " comprising " and " including " term do not allot one or many
Other element individual or the existence of a combination thereof or interpolation.
As shown in Figure 1 to Figure 2, the present invention provides the hook hinge mechanism that a kind of band rolling movement is secondary, including:
First and second rotate bar (1), and the first and second rotations bar (1) are the most mutually hinged and thus limit one
Articulated section, and described first and second rotate bar (1) and each lay respectively at the both sides of described articulated section,
First and second sleeves (8), the first and second sleeves (8) are each respectively sleeved at described first and second and rotate bar
(1) outside, and be rotatably connected with described first and second rotations bar (1), the first end of described first and second sleeves (8) is each
From oppressing the outer wall in described articulated section respectively, and it is rotatably connected with the outer wall of described articulated section；With
First and second fastening members, the first and second fastening members are each respectively arranged at described first and second sleeves
(8) be rotatably connected the outside at place with described first and second rotations bar (1), makes described first and second sleeves (8) press to provide
Oppressive force under the pressure of described articulated section.
In one of them embodiment of the present invention, as preferably, the hook hinge mechanism that described band rolling movement is secondary
In, the inwall of described first and second sleeves (8) is radially provided with the first sleeve (8) step, described first and second
Rotation bar (1) is provided with rotation bar (1) half the circumference of the sleeve where it joins the shoulder, described first sleeve (8) step and described turn away from one end of described articulated section
The first thrust bearing (6) it is provided with, so that described first and second rotate bar (1) each respectively with described at lever (1) half the circumference of the sleeve where it joins the shoulder
It is rotatably connected described in being formed between first and second sleeves (8)；
Described first and second fastening members are each separately positioned on that described first and second rotation bar (1) diameters are little
End, and it is positioned at the outside of described first thrust bearing (6).Rotate bar (1) to be connected with sleeve (8) by thrust bearing (6), it is achieved
Rotate the rolling movement between bar (1) and stop sleeve (8), thus add the function of a rolling movement degree of freedom.
In one of them embodiment of the present invention, as preferably, the end of described first and second sleeves (8) is each
From being respectively arranged with the second sleeve (8) step, described second sleeve (8) step is formed with space with the outer wall of described articulated section,
The second thrust bearing (6) it is provided with in described space, so that the outer wall choosing of described first and second sleeves (8) and described articulated section
Select connection.
In one of them embodiment of the present invention, as preferably, described articulated section includes:
First and second hinged seats, the first and second hinged seats are each respectively arranged with two auricles, on each auricle all
Being provided with a manhole, described first and second to rotate the other end of bar (1) first and second hinged with described the most respectively
Seat connects；Hinge seat (3) can also use the fixing form being connected by parts processing to be integrally machined with rotating bar (1)
First and second rotary shafts (4), the first and second rotary shafts (4) are separately positioned on the ear of the first and second hinged seats
So that described first and second hinged seats are rotatably connected in the manhole of sheet；With
Propping up bracer (5), it is arranged between described first and second hinged seats, and is positioned at described first and second rotary shafts
(4) between.The articulated section of the present invention have employed the version of slender bodies layout, designs compact conformation, meets in wind-tunnel
The requirement used, reduces the blockage percentage in wind-tunnel.Further, the present invention is by bracer (5) and the processing of rotary shaft (4)
With installation accuracy, it is ensured that the kinematic accuracy of two other degree of freedom in addition to rolling movement degree of freedom of Hooke's hinge.
In one of them embodiment of the present invention, as preferably, described first and second sleeves (8) with described first and
The first and second wearing layers each it are respectively arranged with between second rotation bar (1).
In such scheme, as preferably, described first and second wearing layers are Aluminium-bronze Sleeve Coupling (2).Rotate bar (1) with
It is mounted with the Aluminium-bronze Sleeve Coupling (2) of rub resistance effect between sleeve (8), adds hinge seat (3) and rotate the rub resistance of bar (1)
Property, it is achieved that the advantage that the little positioning precision of running clearance is high.
In one of them embodiment of the present invention, as preferably, described first and second fastening members use double nut
Anti-loose structure.
As it is shown in figure 1, in one of them embodiment of the present invention, the invention discloses the tiger that a kind of band rolling movement is secondary
Gram linkage, this mechanism is mainly used in parallel type multi-freedom motion platform.The composition of this mechanism mainly includes the first He
Second hinge seat (3), the first and second rotary shafts (1), the first and second rotary shafts (4), bracer (5), thrust bearing (6),
Two aluminium bronze sleeves (2), four stop nuts (7) and the first and second sleeves (8).Hook hinge have employed slender bodies
Distribution form, described first and second hinge seats (3) are carried out even with described bracer (5) by the first and second rotary shafts (4)
Connect.First and second rotations bar (1) of the first and second hinge seats are by described thrust bearing (6) and described stop nut
(7) it is connected with described two ends the first and second sleeves (8).Described first and second rotations bar (1) and described first and the
Between two sleeves (8) while being connected with each other, add a roll freedom.In order to increase the wearability rotating bar, institute
State and add an Aluminium-bronze Sleeve Coupling (2) between rotation bar (1) and sleeve (8).Present configuration has simple and compact for structure, rotation
Gap is little, connect precision height, have the features such as three rotary freedoms.It is particularly well-suited to that requirement positioning precision is high and overall structure
The front face area of type wants little parallel type multi-freedom motion platform.
Described rotation bar (1) is connected by described thrust bearing (6) with described sleeve (8) so that described rotation bar
(1) there is a rotary motion and between sleeve (8), its rotary shaft is to rotate the central shaft of bar, and this central shaft is by described rotation
Intersecting vertically a little of rotating shaft (4).Achieve in hook hinge while playing connection supporting role, many one around rotation
The degree of freedom of central rotation.Too increase hook hinge convenience when with other stage+module simultaneously.
Use described stop nut (7) by described rotation bar (1) and described sleeve (8) and described thrust bearing (6)
Carry out tension to connect, loosening of the tightening nut brought for preventing described rotation bar (1) from mutually rotating with described sleeve (8),
The mode that have employed double nut carries out locking process.
An Aluminium-bronze Sleeve Coupling (2) it is mounted with so that described rotation bar between described rotation bar (1) and described sleeve (8)
(1) rotary motion with described stop sleeve (8) is dry friction campaign, thus adds described rotation bar (1) and described sleeve
(8) tight type connected between, reduces running clearance, and Aluminium-bronze Sleeve Coupling (2) has good rub resistance simultaneously, and increase finishes
The service life of structure.
The present invention, when reality is applied, can add appropriate lubricating oil as required in Aluminium-bronze Sleeve Coupling (2), reduce institute
State the rubbing action rotated between bar (1) and described stop sleeve (8), increase stability and the service life of system.
Module number described herein and treatment scale are used to the explanation of the simplification present invention.Hinged to the present invention
Portion, sleeve and the application of rotation bar, modifications and variations will be readily apparent to persons skilled in the art.
As it has been described above, present configuration have simple and compact for structure, running clearance is little, connect that precision is high, have three rotations
Turn the features such as degree of freedom.Be particularly well-suited to high and overall configuration the front face area of requirement positioning precision want little parallel many from
By degree motion platform.
Although embodiment of the present invention are disclosed as above, but it is not restricted in description and embodiment listed
Using, it can be applied to various applicable the field of the invention completely, for those skilled in the art, and can be easily
Realizing other amendment, therefore under the general concept limited without departing substantially from claim and equivalency range, the present invention does not limit
In specific details with shown here as the legend with description.
Claims (7)
1. the hook hinge mechanism that a band rolling movement is secondary, it is characterised in that including:
First and second rotate bar, and the first and second rotation bars are the most mutually hinged and thus limit an articulated section, and
Described first and second rotate bar each lays respectively at the both sides of described articulated section,
First and second sleeves, the first and second sleeves are each respectively sleeved at the described first and second outsides rotating bar, and
Rotating bar with described first and second to be rotatably connected, the first end of described first and second sleeves is oppressed the most respectively in described hinge
Connect an outer wall in portion, and be rotatably connected with the outer wall of described articulated section；With
First and second fastening members, the first and second fastening members are each respectively arranged at described first and second sleeves and institute
State the first and second rotation bars be rotatably connected place outside, with provide make described first and second sleeves oppress in described articulated section
Oppressive force.
2. the hook hinge mechanism that band rolling movement as claimed in claim 1 is secondary, it is characterised in that described first and second sets
Radially being provided with the first sleeve step on the inwall of cylinder, described first and second rotate bar one end away from described articulated section
It is provided with rotation bar half the circumference of the sleeve where it joins the shoulder, at described first sleeve step and described rotation bar half the circumference of the sleeve where it joins the shoulder, is provided with the first thrust bearing, so that institute
State the first and second rotation bars to be rotatably connected described in formation between described first and second sleeves the most respectively；
Described first and second fastening members are each separately positioned on described first and second and rotate one end that shank diameter is little, and position
Outside in described first thrust bearing.
3. the hook hinge mechanism that band rolling movement as claimed in claim 1 is secondary, it is characterised in that described first and second sets
The end of cylinder is each respectively arranged with the second sleeve step, and described second sleeve step is formed with the outer wall of described articulated section
There is space, in described space, be provided with the second thrust bearing, so that described first and second sleeves and the outer wall of described articulated section
Select to connect.
4. the hook hinge mechanism that band rolling movement as claimed in claim 1 is secondary, it is characterised in that described articulated section includes:
First and second hinged seats, the first and second hinged seats are each respectively arranged with two auricles, each auricle are respectively provided with
A manhole, described first and second other ends rotating bar is had to be connected with described first and second hinged seats the most respectively；
First and second rotary shafts, the first and second rotary shafts are separately positioned on the circle of the auricle of the first and second hinged seats and lead to
So that described first and second hinged seats are rotatably connected in hole；With
Propping up bracer, it is arranged between described first and second hinged seats, and between described first and second rotary shafts.
5. the hook hinge mechanism that band rolling movement as claimed in claim 1 is secondary, it is characterised in that described first and second sets
Cylinder and described first and second rotates and is each respectively arranged with the first and second wearing layers between bar.
6. the hook hinge mechanism that band rolling movement as claimed in claim 5 is secondary, it is characterised in that described first and second resistance to
Mill layer is Aluminium-bronze Sleeve Coupling.
7. the hook hinge mechanism that band rolling movement as claimed in claim 1 is secondary, it is characterised in that described first and second tight
Gu component uses pairs of anti-loose nut structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610473525.6A CN106122296B (en) | 2016-06-24 | 2016-06-24 | Hook hinge mechanism with rolling movement pair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610473525.6A CN106122296B (en) | 2016-06-24 | 2016-06-24 | Hook hinge mechanism with rolling movement pair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106122296A true CN106122296A (en) | 2016-11-16 |
| CN106122296B CN106122296B (en) | 2019-01-18 |
Family
ID=57266984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610473525.6A Active CN106122296B (en) | 2016-06-24 | 2016-06-24 | Hook hinge mechanism with rolling movement pair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106122296B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112081836A (en) * | 2020-09-10 | 2020-12-15 | 北京交通大学 | Hooke joint |
| CN115924397A (en) * | 2022-12-23 | 2023-04-07 | 清华大学 | Telescopic track conveyer and on-vehicle security check system |
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| EP1393826A1 (en) * | 2002-08-27 | 2004-03-03 | Spicer Gelenkwellenbau GmbH & Co. KG | Cardan shaft |
| JP2007230337A (en) * | 2006-02-28 | 2007-09-13 | Fuji Heavy Ind Ltd | Vehicular propeller shaft fastening part structure |
| CN201068937Y (en) * | 2007-06-22 | 2008-06-04 | 刘茂村 | Universal joints actuator structure |
| CN101328936A (en) * | 2008-07-01 | 2008-12-24 | 北京航空航天大学 | Large load gapless accurate hooke hinge |
| CN101852243A (en) * | 2010-04-28 | 2010-10-06 | 清华大学 | CAC-shaft composite hinge |
| CN102518689A (en) * | 2011-12-29 | 2012-06-27 | 江苏大学 | High-precision spherical hinge structure for parallel machine tools |
| CN105221587A (en) * | 2015-11-09 | 2016-01-06 | 沈阳工业大学 | A kind of Three Degree Of Freedom Hooke's hinge |
| WO2016087107A1 (en) * | 2014-12-03 | 2016-06-09 | Voith Patent Gmbh | Joint shaft, in particular universal joint shaft |
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2016
- 2016-06-24 CN CN201610473525.6A patent/CN106122296B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1393826A1 (en) * | 2002-08-27 | 2004-03-03 | Spicer Gelenkwellenbau GmbH & Co. KG | Cardan shaft |
| JP2007230337A (en) * | 2006-02-28 | 2007-09-13 | Fuji Heavy Ind Ltd | Vehicular propeller shaft fastening part structure |
| CN201068937Y (en) * | 2007-06-22 | 2008-06-04 | 刘茂村 | Universal joints actuator structure |
| CN101328936A (en) * | 2008-07-01 | 2008-12-24 | 北京航空航天大学 | Large load gapless accurate hooke hinge |
| CN101852243A (en) * | 2010-04-28 | 2010-10-06 | 清华大学 | CAC-shaft composite hinge |
| CN102518689A (en) * | 2011-12-29 | 2012-06-27 | 江苏大学 | High-precision spherical hinge structure for parallel machine tools |
| WO2016087107A1 (en) * | 2014-12-03 | 2016-06-09 | Voith Patent Gmbh | Joint shaft, in particular universal joint shaft |
| CN105221587A (en) * | 2015-11-09 | 2016-01-06 | 沈阳工业大学 | A kind of Three Degree Of Freedom Hooke's hinge |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112081836A (en) * | 2020-09-10 | 2020-12-15 | 北京交通大学 | Hooke joint |
| CN115924397A (en) * | 2022-12-23 | 2023-04-07 | 清华大学 | Telescopic track conveyer and on-vehicle security check system |
| CN115924397B (en) * | 2022-12-23 | 2023-11-24 | 清华大学 | Telescopic crawler belt conveying device and vehicle-mounted security inspection system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106122296B (en) | 2019-01-18 |
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