CN202531757U - Full-revolving-pair six-bar mechanism for approximately realizing rectilinear rotations - Google Patents
Full-revolving-pair six-bar mechanism for approximately realizing rectilinear rotations Download PDFInfo
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- CN202531757U CN202531757U CN2012202160209U CN201220216020U CN202531757U CN 202531757 U CN202531757 U CN 202531757U CN 2012202160209 U CN2012202160209 U CN 2012202160209U CN 201220216020 U CN201220216020 U CN 201220216020U CN 202531757 U CN202531757 U CN 202531757U
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- connecting rod
- revolute pair
- bar mechanism
- pair
- revolving
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Abstract
The utility model relates to a full-revolving-pair six-bar mechanism for approximately realizing rectilinear rotations. The six-bar mechanism is composed of a fixed base, a driving crank, a connecting rod and revolving pairs, wherein one end of the driving crank (16) is rotatablely connected with a fixed platform (17) through a revolving pair (15), the other end of the driving crank (16) is rotatablely connected with one end of the connecting rod (13) through a revolving pair (14), the other end of the connecting rod (13) is rotatablely connected with a secondary rod set through a revolving pair (10), and through the rotation of the driving crank (16), the forward or reverse rectilinear motion of the mechanism disclosed by the utility model can be realized. The rectilinear rotation mechanism only comprises the revolving pairs, compared with a rectilinear rotation mechanism comprising a moving pair, the six-bar mechanism disclosed by the utility model has the advantages of light weight, large motion range, easiness in fabrication low cost, and the like, and therefore the six-bar mechanism has a broad application prospect in a mechanical structure carrying out a fixed rectilinear translational motion.
Description
Technical field
The utility model belongs to mechanical structure and mechanics technical field, is specifically related to a kind of straight-line full revolute pair six bar mechanism of a kind of approximate realization that only is made up of connecting rod and revolute pair.
Background technique
At present, realize that straight-line means mostly rely on the constraint of sliding pair to realize, like slidercrank mechanism, cam mechanism, screw pair mechanism, pinion and rack etc., the shortcoming of this mode is that manufacturing is complicated, cost is high.Though the accurate straight-line motion mechanism that also can utilize connecting rod and revolute pair to realize; Like watt approximate straight line motion mechanism etc.; The mechanism rod restriction relation is complicated, each connecting rod is harsh to size and assembling form requirement but exist; Therefore shortcomings such as space and volume ratio are less do not obtain practical application widely.In this case, design a kind of simple in structure, accurately very important meaning of straight-line motion mechanism tool of being easy to realize and only existing revolute pair.
Summary of the invention
Realize existing defective of straight-line motion mechanism and problem in the existing technology in order to solve, the utility model provides a kind of straight-line full revolute pair six bar mechanism of a kind of approximate realization that only is made up of connecting rod and revolute pair.
For the technological scheme that solves the problems of the technologies described above the utility model is: the straight-line full revolute pair six bar mechanism of a kind of approximate realization; Described six bar mechanism is made up of fixed pedestal, driving crank, connecting rod, revolute pair; It is characterized in that: an end of said driving crank is rotatedly connected through revolute pair and fixed platform; The other end of driving crank is rotatedly connected through an end of revolute pair and connecting rod; The other end of said connecting rod is rotatedly connected through revolute pair and connecting rod, and the other end of said connecting rod is rotatedly connected through revolute pair on the fixed platform and connecting rod, and the other end of said connecting rod is rotatedly connected through an end of revolute pair and connecting rod; The other end of said connecting rod is rotatedly connected through an end of revolute pair and connecting rod, and the other end of said connecting rod is rotatedly connected through revolute pair and fixed platform.
Said connecting rod becomes 16.2 ° of angles to be welded on the revolute pair.
Said connecting rod becomes 13.6 ° of angles to be welded on the revolute pair.
Above-mentioned connecting rod at grade.
Another end points of above-mentioned connecting rod can move toward complex line in the horizontal direction.
The maximum moving distance of said another end points of connecting rod is 400mm.
The beneficial effect of the utility model is:
1) this straight-line motion mechanism only contains revolute pair, compares with the straight-line motion mechanism that comprises sliding pair, has in light weightly, and range of movement is big, and easily manufactured and low cost and other advantages especially is useful in and is not easy to the secondary occasion of installation and moving.
2) the utility model is an approximate straight line motion mechanism, can realize that stroke is no more than the reciprocal straight path of 400mm, maximum absolute deviation≤3.18mm, maximum relative deviation≤0.795%.
The utility model can be used as guide mechanism and is applied to any needs and does in the mechanical structure of boning out translational motion, such as can be as sawing machine motion and the guiding device of undercarriage, the feed mechanism of automatic assembly machine, staking punch, printer and the step feeder etc. of riveting machine.
Description of drawings
Fig. 1 is the structural representation of the straight-line full revolute pair six bar mechanism of a kind of approximate realization of the utility model.
Among the figure: 1, revolute pair, 2, connecting rod, 3, connecting rod, 4, revolute pair, 5, connecting rod; 6, fixed platform, 7, revolute pair, 8, connecting rod, 9, connecting rod; 10, revolute pair, 11, revolute pair, 12, fixed platform, 13, connecting rod; 14, revolute pair, 15, revolute pair, 16, drive crank, 17, fixed platform.
Embodiment
Specific embodiment
As shown in Figure 1; The straight-line full revolute pair six bar mechanism of a kind of approximate realization; Described six bar mechanism is made up of fixed pedestal, driving crank, connecting rod, revolute pair; It is characterized in that: an end of said driving crank 16 is rotatedly connected through revolute pair 15 and fixed platform 17, and the other end that drives crank 16 is rotatedly connected through the end of revolute pair 14 with connecting rod 13, and the other end of said connecting rod 13 is rotatedly connected through revolute pair 10 and connecting rod 2; The other end of said connecting rod 2 is rotatedly connected through revolute pair on the fixed platform 12 11 and connecting rod 9; The other end of said connecting rod 9 is rotatedly connected through the end of revolute pair 7 with connecting rod 5,8, and the other end of said connecting rod 5 is rotatedly connected through the end of revolute pair 4 with connecting rod 3, and the other end of said connecting rod 3 is rotatedly connected through revolute pair 1 and fixed platform 6; Said connecting rod 3,5,8,2,9,13 at grade; Said connecting rod 5,8 one-tenth 16.2 ° of angles are welded on the revolute pair 7; Said connecting rod 2,9 one-tenth 13.6 ° of angles are welded on the revolute pair 11.
The length of said connecting rod 3 is 817.9mm, and said connecting rod 5 length are 788.2 mm, and said connecting rod 9 length are 1011.6 mm; Said connecting rod 2 length are 937.6 mm; Said connecting rod 13 length are 920.1 mm, when said driving crank 16 length are 180.9 mm, rotate a week when driving crank 16; Another end points of connecting rod 8 moves toward complex line between A point and B point, and the extreme length of its A, B end points is 400mm.
The above; Be merely the preferable embodiment of this practicality; But the utility model protection domain is not limited thereto, and is equal to replacement or changes according to the technological scheme of the utility model and inventive concept thereof, all should be encompassed within the protection domain of the utility model.
Claims (6)
1. one kind is similar to the straight-line full revolute pair six bar mechanism of realization; Described six bar mechanism is made up of fixed pedestal, driving crank, connecting rod, revolute pair; It is characterized in that: an end of said driving crank (16) is rotatedly connected through revolute pair (15) and fixed platform (17); The other end that drives crank (16) is rotatedly connected through the end of revolute pair (14) with connecting rod (13); The other end of said connecting rod (13) is rotatedly connected through revolute pair (10) and connecting rod (2); The other end of said connecting rod (2) is rotatedly connected through revolute pair (11) on the fixed platform (12) and connecting rod (9); The other end of said connecting rod (9) is rotatedly connected through the end of revolute pair (7) with connecting rod (5,8), and the other end of said connecting rod (5) is rotatedly connected through the end of revolute pair (4) with connecting rod (3), and the other end of said connecting rod (3) is rotatedly connected through revolute pair (1) and fixed platform (6).
2. six bar mechanism according to claim 1 is characterized in that: said connecting rod (5,8) becomes 16.2 ° of angles to be welded on the revolute pair (7).
3. six bar mechanism according to claim 1 is characterized in that: said connecting rod (2,9) becomes 13.6 ° of angles to be welded on the revolute pair (11).
4. according to the arbitrary described six bar mechanism of claim 1-3, it is characterized in that: said connecting rod (3,5,8,2,9,13) at grade.
5. according to the arbitrary described six bar mechanism of claim 1-3, it is characterized in that: another end points of said connecting rod (8) can move toward complex line in the horizontal direction.
6. six bar mechanism according to claim 5 is characterized in that: the maximum moving distance of another end points of said connecting rod (8) is 400mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202160209U CN202531757U (en) | 2012-05-15 | 2012-05-15 | Full-revolving-pair six-bar mechanism for approximately realizing rectilinear rotations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202160209U CN202531757U (en) | 2012-05-15 | 2012-05-15 | Full-revolving-pair six-bar mechanism for approximately realizing rectilinear rotations |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202531757U true CN202531757U (en) | 2012-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202160209U Expired - Fee Related CN202531757U (en) | 2012-05-15 | 2012-05-15 | Full-revolving-pair six-bar mechanism for approximately realizing rectilinear rotations |
Country Status (1)
| Country | Link |
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| CN (1) | CN202531757U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104032438A (en) * | 2014-06-18 | 2014-09-10 | 吴江万工机电设备有限公司 | Design method of six-rod shedding mechanism with long pause angle at lowest position of shed |
| CN104032441A (en) * | 2014-06-18 | 2014-09-10 | 吴江万工机电设备有限公司 | Design method of shedding mechanism with relatively long pause angles at highest and lowest positions of shed |
| CN106793751A (en) * | 2016-12-02 | 2017-05-31 | 哈尔滨工业大学 | A kind of mirror position control device for high speed placement system image detecting system |
-
2012
- 2012-05-15 CN CN2012202160209U patent/CN202531757U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104032438A (en) * | 2014-06-18 | 2014-09-10 | 吴江万工机电设备有限公司 | Design method of six-rod shedding mechanism with long pause angle at lowest position of shed |
| CN104032441A (en) * | 2014-06-18 | 2014-09-10 | 吴江万工机电设备有限公司 | Design method of shedding mechanism with relatively long pause angles at highest and lowest positions of shed |
| CN104032441B (en) * | 2014-06-18 | 2015-09-30 | 吴江万工机电设备有限公司 | The highest lowest order of shed open is equipped with the method for designing of the shedding mechanism at longer pause angle |
| CN104032438B (en) * | 2014-06-18 | 2016-05-04 | 吴江万工机电设备有限公司 | Shed open extreme lower position has the method for designing of six bar shedding mechanisms of long pause angle |
| CN106793751A (en) * | 2016-12-02 | 2017-05-31 | 哈尔滨工业大学 | A kind of mirror position control device for high speed placement system image detecting system |
| CN106793751B (en) * | 2016-12-02 | 2019-03-26 | 哈尔滨工业大学 | A kind of mirror position control device for high speed placement system image detecting system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121114 Termination date: 20130515 |