CN209207495U - A kind of parallel institution of two-dimensional movement Three dimensional rotation - Google Patents
A kind of parallel institution of two-dimensional movement Three dimensional rotation Download PDFInfo
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- CN209207495U CN209207495U CN201821740472.0U CN201821740472U CN209207495U CN 209207495 U CN209207495 U CN 209207495U CN 201821740472 U CN201821740472 U CN 201821740472U CN 209207495 U CN209207495 U CN 209207495U
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Abstract
The utility model discloses a kind of parallel institution of two-dimensional movement Three dimensional rotation, including fixed platform, moving platform, four branches, two simple branches in four branches are made of simple branch I, simple branch II；Two complicated branches in four branches are made of complicated branch III, complicated branch IV；The fixed platform and moving platform pass through two complicated branches and two simple branch chain links, the compound motion of four branches constitute the output campaign of moving platform.The utility model constructs parallel institution using four branch chain link moving platforms and fixed platform, dynamic parallel institution its Windsor of five maintenance and operations of building, used parallel institution makes the strength and stiffness of the mechanism preferable, also have many advantages, such as that structure is simple, manufacture is easy, it is able to achieve space two-dimensional translation and Three dimensional rotation, it can be used for the processing of curved surface, the working environments such as welding are a kind of novel parallel institutions.
Description
Technical field
The utility model relates to a kind of parallel institutions of two-dimensional movement Three dimensional rotation, belong to parallel robot technical field.
Background technique
Parallel robot is widely used in the industrial production.Parallel institution have rigidity it is big, it is adaptable and
The advantages that precision is high, so parallel institution causes the research of domestic and foreign scholars and is applied to the different field of every profession and trade, it is to work as
A kind of scientific research project of modern great prospect.Parallel institution is various informative, but in the development of the past few decades, does not occur too
Mostly with the mechanism of two-dimensional movement and Three dimensional rotation, thus in order to increase the mechanism of the type, also refers to, have for preferred means
Five dimension parallel institutions of necessity building two-dimensional movement and Three dimensional rotation, to realize the processing of spatial complex curved surface by it, and will
It applies to other industrial circles.
Summary of the invention
The utility model provides a kind of parallel institution of two-dimensional movement Three dimensional rotation, passes through two complicated branches and two
Simple branch chain link is dynamic, fixed platform is constituted, and can be realized space two-dimensional movement and Three dimensional rotation, can be used for spatial complex curved surface
Processing.
The technical solution of the utility model is: a kind of parallel institution of two-dimensional movement Three dimensional rotation, including fixed platform N, dynamic
Platform M, four branches, two simple branches in four branches are made of simple branch I, simple branch II；In four branches
Two complicated branches be made of complicated branch III, complicated branch IV；
The fixed platform N and moving platform M by two complicated branches and two simple branch chain links, four branches it is compound
Movement constitutes the output campaign of moving platform M；
The simple branch I is identical with simple II structure of branch, both generates three-dimensional mobile and three to moving platform M
Tie up the effect of rotation；
The complexity branch III and complicated IV structure of branch are identical, both to moving platform M generate two-dimensional movement with
The effect of Three dimensional rotation.
The kinematic pair of described four branch one end is connect with fixed platform N respectively, the kinematic pair difference of four branch other ends
It is connect with moving platform M, four branches mutually disjoint；Kinematic pair that complicated branch III is connect with fixed platform N, complicated branch IV with it is fixed
The axis of the kinematic pair of platform N connection is parallel to each other.
The simple branch I, simple branch II are identical no constrained branched chain, using SPS structure, simple branch I
Structure specifically: one end of the 8th connecting rod 8 is connect by ball secondary S21 with fixed platform N, and the other end of the 8th connecting rod 8 passes through
Prismatic pair P22 is connect with one end of the 9th connecting rod 9, and the end of the 9th connecting rod 9 is connect with ball secondary S23, and ball secondary S23 is connected to
On moving platform M；Or use RSS structure.
The complexity branch III passes through the 7th connecting rod by having the mobile sub- parallel institution a with two-dimensional rotary of space two-dimensional
7 series connection revolute pair R110 are constituted.
The sub- parallel institution a is made of three branches and sub- moving platform P；The sub- moving platform P is triangle mechanism；Its
In the kinematic pair of three branch one end connect with fixed platform N, the kinematic pair of three branch other ends is connect with sub- moving platform P, son
Moving platform P is connect with one end of the 7th connecting rod 7, and 7 other end of the 7th connecting rod is connect with revolute pair R110, revolute pair R110 with
Moving platform M is connected；Three branches mutually disjoint.
Three branched structures are respectively as follows:
First 1 one end of branch chain warp first connecting rod connects revolute pair R11, and 1 other end of first connecting rod passes through prismatic pair
2 one end of the second connecting rod of P12 connection, 2 other end connected ball secondary S13 of the second connecting rod are formed, wherein revolute pair R11 and fixed platform
N connection；
3 one end of Article 2 branch chain warp third connecting rod connects revolute pair R14, and 3 other end of third connecting rod passes through prismatic pair
4 one end of P15 the 4th connecting rod of connection, 4 other end connected ball secondary S16 of the 4th connecting rod are formed；Wherein revolute pair R14 and fixed platform
N connection；
5 one end of the 5th connecting rod of Article 3 branch chain warp connects revolute pair R17, and 5 other end of the 5th connecting rod passes through prismatic pair
6 one end of P18 the 6th connecting rod of connection, 6 other end connected ball secondary S19 of the 6th connecting rod are formed；Wherein revolute pair R17 and fixed platform
N connection；
The axis of the revolute pair R11, revolute pair R14 and revolute pair R17 are parallel to approximately the same plane；Prismatic pair P12 hangs down
Directly in the axis direction of revolute pair R11, prismatic pair P15 is perpendicular to the axis direction of revolute pair R14, and prismatic pair P18 is perpendicular to turning
The axis direction of dynamic secondary R17；The axis of revolute pair R110 and the axis institute group of revolute pair R11, revolute pair R14 and revolute pair R17
At plane it is vertical.
The beneficial effects of the utility model are: the utility model is constructed using four branch chain link moving platforms and fixed platform
Parallel institution, dynamic parallel institution its Windsor of five maintenance and operations of building, used parallel institution make the strong of the mechanism
Degree and rigidity are preferable, also have many advantages, such as that structure is simple, manufacture is easy, are able to achieve space two-dimensional translation and Three dimensional rotation,
It can be used for the processing of curved surface, the working environments such as welding are a kind of novel parallel institutions.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Each label in figure are as follows: N- fixed platform, M- moving platform, P- moving platform, 1- first connecting rod, the second connecting rod of 2-,
3- third connecting rod, the 4th connecting rod of 4-, the 5th connecting rod of 5-, the 6th connecting rod of 6-, the 7th connecting rod of 7-, the connection of 8- the 8th
Bar, the 9th connecting rod of 9-, the tenth connecting rod of 10-, the 11st connecting rod of 11-, the 12nd connecting rod of 12-, the connection of 13- the 13rd
Bar, the 14th connecting rod of 14-, the 15th connecting rod of 15-, the 16th connecting rod of 16-, the 17th connecting rod of 17-, 18- the 18th
Connecting rod, Rij- revolute pair, Pij- prismatic pair, Sij- ball are secondary, ij indicates subscript.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is described in further detail, but the content of the utility model is not
It is limited to the range.
Embodiment 1: as shown in Figure 1, a kind of parallel institution of two-dimensional movement Three dimensional rotation, including fixed platform N, moving platform M,
Four branches, two simple branches in four branches are made of simple branch I, simple branch II；Two in four branches
Complicated branch is made of complicated branch III, complicated branch IV；The fixed platform N and moving platform M passes through two complicated branches and two
The simple branch chain link of item, the compound motion of four branches constitute the output campaign of moving platform M；The simple branch I and simple
II structure of branch is identical, and the effect of three-dimensional movement and Three dimensional rotation is both generated to moving platform M；The complexity branch III
It is identical with complicated IV structure of branch, the effect of two-dimensional movement and Three dimensional rotation is both generated to moving platform M.
It is connect respectively with fixed platform N it is possible to further which the kinematic pair of described four branch one end is arranged, four branches are another
The kinematic pair of one end is connect with moving platform M respectively, and four branches mutually disjoint, and (position of four branches is at branch disjoint
It can be by translating any exchange under part, fixed platform, moving platform can use arbitrary structures in the disjoint situation of branch)；
Kinematic pair that complicated branch III is connect with fixed platform N, complicated branch IV are parallel to each other with the axis of the fixed platform N kinematic pair connecting
(such as: R11, R14, R17 are parallel with R41, R44, R47 axis).
It is possible to further which the simple branch I, simple branch II is arranged as identical no constrained branched chain, use
SPS structure, simple I structure of branch specifically: one end of the 8th connecting rod 8 is connect by ball secondary S21 with fixed platform N, and the 8th connects
The other end of extension bar 8 is connect by prismatic pair P22 with one end of the 9th connecting rod 9, the end of the 9th connecting rod 9 and ball secondary S23
Connection, ball secondary S23 are connected on moving platform M.
It is possible to further which the complicated branch III is arranged by having the mobile sub- parallel machine with two-dimensional rotary of space two-dimensional
Structure a is made up of the 7th connecting rod 7 series connection revolute pair R110.
It is formed it is possible to further which the sub- parallel institution a is arranged by three branches and sub- moving platform P；The son is dynamic flat
Platform P is triangle mechanism；Wherein the kinematic pair of three branch one end is connect with fixed platform N, the kinematic pair of three branch other ends
It is connect with sub- moving platform P, sub- moving platform P is connect with one end of the 7th connecting rod 7,7 other end of the 7th connecting rod and revolute pair
R110 connection, revolute pair R110 and moving platform M are connected；Three branches mutually disjoint.
It is respectively as follows: it is possible to further which three branched structures are arranged
First 1 one end of branch chain warp first connecting rod connects revolute pair R11, and 1 other end of first connecting rod passes through prismatic pair
2 one end of the second connecting rod of P12 connection, 2 other end connected ball secondary S13 of the second connecting rod are formed, wherein revolute pair R11 and fixed platform
N connection；
3 one end of Article 2 branch chain warp third connecting rod connects revolute pair R14, and 3 other end of third connecting rod passes through prismatic pair
4 one end of P15 the 4th connecting rod of connection, 4 other end connected ball secondary S16 of the 4th connecting rod are formed；Wherein revolute pair R14 and fixed platform
N connection；
5 one end of the 5th connecting rod of Article 3 branch chain warp connects revolute pair R17, and 5 other end of the 5th connecting rod passes through prismatic pair
6 one end of P18 the 6th connecting rod of connection, 6 other end connected ball secondary S19 of the 6th connecting rod are formed；Wherein revolute pair R17 and fixed platform
N connection；
The axis of the revolute pair R11, revolute pair R14 and revolute pair R17 are parallel to approximately the same plane；Prismatic pair P12 hangs down
Directly in the axis direction of revolute pair R11, prismatic pair P15 is perpendicular to the axis direction of revolute pair R14, and prismatic pair P18 is perpendicular to turning
The axis direction of dynamic secondary R17；The axis of revolute pair R110 and the axis institute group of revolute pair R11, revolute pair R14 and revolute pair R17
At plane it is vertical.
Embodiment 2: it is substantially the same manner as Example 1, the difference is that: the simple branch I, simple branch II use
(i.e. S21 changes R21 into RSS structure, and P22 changes S22 into, and S31 changes R31 into, and P32 changes S32 into, and other connection relationships are constant, and S is indicated
Ball is secondary, R indicates revolute pair, P indicates prismatic pair).
The working principle of the utility model is:
The mechanism because the effect of complicated branch III so that a prismatic pair of moving platform M suffers restraints, moving platform at this time
With two translations, three rotation (2T3R) movement, when complicated branch IV acts on moving platform M, it is flat that two are equally generated to moving platform
Move three rotation (2T3R) movements.When the comprehensive function effect of comprehensive complicated branch III and complicated branch IV to moving platform M, due to
Two branches all generate Three dimensional rotation, therefore finally will also generate Three dimensional rotation, and the two-dimensional movement that complicated branch III generates is hanging down
Directly in the plane of R11 secondary axis, the two-dimensional movement that complicated branch IV generates in the plane perpendicular to R41 secondary axis, and because
Axis for R11 pair and R41 pair is parallel to each other, therefore also will generate two-dimensional movement, finally, complicated III He of branch to moving platform M
Complicated branch IV can make moving platform M generate two-dimensional movement and Three dimensional rotation movement；Because simple branch I and simple branch II all make
Moving platform M generates three-dimensional movement and Three dimensional rotation, therefore does not influence the combined influence effect of complicated branch III and complicated branch IV, therefore
Four branches can make moving platform M generate two-dimensional movement and Three dimensional rotation movement.
It is secondary using P22 as driving in simple branch I, it is secondary using P32 as driving in simple branch II；In complicated branch
It is secondary using P12, P15, P18 as driving in III, it is secondary using P42, P45, P48 as driving in complicated branch IV.
The specific embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the utility model is not
Be limited to above embodiment, within the knowledge of a person skilled in the art, can also do not depart from it is practical
Various changes can be made under the premise of novel objective.
Claims (6)
1. a kind of parallel institution of two-dimensional movement Three dimensional rotation, it is characterised in that: including fixed platform (N), moving platform (M), four
Branch, two simple branches in four branches are made of simple branch I, simple branch II；Two complexity in four branches
Branch is made of complicated branch III, complicated branch IV；
The fixed platform (N) and moving platform (M) by two complicated branches and two simple branch chain links, four branches it is compound
Movement constitutes the output campaign of moving platform (M)；
The simple branch I is identical with simple II structure of branch, both generates to moving platform (M) three-dimensional mobile and three-dimensional
The effect of rotation；
The complexity branch III is identical with complicated IV structure of branch, both generates two-dimensional movement and three to moving platform (M)
Tie up the effect of rotation.
2. the parallel institution of two-dimensional movement Three dimensional rotation according to claim 1, it is characterised in that: four branches one
The kinematic pair at end is connect with fixed platform (N) respectively, and the kinematic pair of four branch other ends is connect with moving platform (M) respectively, and four
Branch mutually disjoints；The fortune that kinematic pair that complicated branch III is connect with fixed platform (N), complicated branch IV are connect with fixed platform (N)
Secondary axis is moved to be parallel to each other.
3. the parallel institution of two-dimensional movement Three dimensional rotation according to claim 1, it is characterised in that: the simple branch I,
Simple branch II is identical no constrained branched chain, using SPS structure, simple I structure of branch specifically: the 8th connecting rod
(8) one end is connect by ball secondary S21 with fixed platform (N), and the other end of the 8th connecting rod (8) passes through prismatic pair P22 and the 9th
One end of connecting rod (9) connects, and the end of the 9th connecting rod (9) is connect with ball secondary S23, and ball secondary S23 is connected to moving platform (M)
On；Or use RSS structure.
4. the parallel institution of two-dimensional movement Three dimensional rotation according to claim 1, it is characterised in that: the complexity branch III
It is made up of by having the mobile sub- parallel institution a with two-dimensional rotary of space two-dimensional the 7th connecting rod (7) series connection revolute pair R110.
5. the parallel institution of two-dimensional movement Three dimensional rotation according to claim 4, it is characterised in that: the sub- parallel institution
A is made of three branches and sub- moving platform (P)；The sub- moving platform (P) is triangle mechanism；The wherein fortune of three branch one end
Dynamic pair is connect with fixed platform (N), and the kinematic pair of three branch other ends is connect with sub- moving platform (P), sub- moving platform (P) and the 7th
One end of connecting rod (7) connects, and the 7th connecting rod (7) other end is connect with revolute pair R110, revolute pair R110 and moving platform (M)
It is connected；Three branches mutually disjoint.
6. the parallel institution of two-dimensional movement Three dimensional rotation according to claim 5, it is characterised in that: three branch link
Structure is respectively as follows:
First branch chain warp first connecting rod (1) one end connects revolute pair R11, and first connecting rod (1) other end passes through prismatic pair
P12 the second connecting rod of connection (2) one end, the second connecting rod (2) other end connected ball secondary S13 are formed, wherein revolute pair R11 and fixed
Platform (N) connection；
Article 2 branch chain warp third connecting rod (3) one end connects revolute pair R14, and third connecting rod (3) other end passes through prismatic pair
P15 connection the 4th connecting rod (4) one end, the 4th connecting rod (4) other end connected ball secondary S16 are formed；Wherein revolute pair R14 and fixed
Platform (N) connection；
The 5th connecting rod (5) one end of Article 3 branch chain warp connects revolute pair R17, and the 5th connecting rod (5) other end passes through prismatic pair
P18 connection the 6th connecting rod (6) one end, the 6th connecting rod (6) other end connected ball secondary S19 are formed；Wherein revolute pair R17 and fixed
Platform (N) connection；
The axis of the revolute pair R11, revolute pair R14 and revolute pair R17 are parallel to approximately the same plane；Prismatic pair P12 perpendicular to
The axis direction of revolute pair R11, prismatic pair P15 is perpendicular to the axis direction of revolute pair R14, and prismatic pair P18 is perpendicular to revolute pair
The axis direction of R17；Composed by the axis of revolute pair R110 and the axis of revolute pair R11, revolute pair R14 and revolute pair R17
Plane is vertical.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821740472.0U CN209207495U (en) | 2018-10-26 | 2018-10-26 | A kind of parallel institution of two-dimensional movement Three dimensional rotation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821740472.0U CN209207495U (en) | 2018-10-26 | 2018-10-26 | A kind of parallel institution of two-dimensional movement Three dimensional rotation |
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| CN209207495U true CN209207495U (en) | 2019-08-06 |
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| CN201821740472.0U Expired - Fee Related CN209207495U (en) | 2018-10-26 | 2018-10-26 | A kind of parallel institution of two-dimensional movement Three dimensional rotation |
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Granted publication date: 20190806 Termination date: 20201026 |