CN203857215U - Double-rotating-shaft mechanism capable of realizing orthogonalization of high-rigidity rotation centers - Google Patents
Double-rotating-shaft mechanism capable of realizing orthogonalization of high-rigidity rotation centers Download PDFInfo
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- CN203857215U CN203857215U CN201420265981.8U CN201420265981U CN203857215U CN 203857215 U CN203857215 U CN 203857215U CN 201420265981 U CN201420265981 U CN 201420265981U CN 203857215 U CN203857215 U CN 203857215U
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Abstract
Disclosed is a double-rotating-shaft mechanism capable of realizing orthogonalization of high-rigidity rotation centers. The double-rotating-shaft mechanism is characterized by comprising a movement unit and a rotation unit, the movement unit comprises a fixing plate, a mounting plate, a rack and a gear, the mounting plate is combined with a vertical face of the fixing plate by means of sliding fit through an upper movement pair and a lower movement pair, the rack is positioned between the upper movement pair and the lower movement pair and fixedly arranged on the fixing plate, the gear is meshed with the rack and driven by a driving portion, the rotation unit is composed of a special-shaped shaft with the upper end and the lower end combined with bearing seats arranged at the upper end and the lower end of the mounting plate through bearings respectively, and the middle section of the special-shaped shaft is of a hollow structure used for being penetratingly arranged in the driving portion vertically intersected with the special-shaped shaft. The rotation centers of the driving portion and the special-shaped shaft are orthogonal, the special-shaped shaft can swing within a set angle range, and the double-rotating-shaft mechanism can realize linkage of rotation in two directions.
Description
Technical field
The utility model relates to a kind of mechanical structure that can realize rotating two the vertical rotation axis intercross arrangement of high rigidity, is specially adapted to the occasion that in mechanical engineering field, installing space is little, rigidity requirement is high, rotatablely move more and superpose.
Background technique
The orthogonal two rotary shaft mechanisms of high rigidity gyration center are highly suitable for that narrow space, rigidity requirement are high, the workplace of multiple-rotor motion.
For requiring to realize the occasion that multi-freedom degree rotatablely moves, the arrangement that at present adopts rotating shaft one by one to connect successively more, so just form the structure of " elongated ", this kind of structural disadvantages is to take up room greatly, integral rigidity is poor, often in order to improve structural rigidity, do not stint and adopt expensive material or increase corresponding physical dimension, invisible like this increase cost and strengthened taking space.
Summary of the invention
The purpose of this utility model provides a kind of for existing deficiency in above-mentioned prior art just can realize the orthogonal two rotary shaft mechanisms of high rigidity gyration center.In the utility model, the rotating shaft of two Vertical direction adopts interlaced arrangement, compares with the structure that traditional each rotating shaft is connected successively, can make mechanism space compacter, and integral rigidity is also easy to be guaranteed.
The orthogonal two rotary shaft mechanisms of high rigidity gyration center of can realizing of the present utility model comprise moving cell and turning unit, described moving cell comprises fixed plate, the mounting plate combining with fixed plate facade in the mode being slidably matched by upper and lower kinematic pair, between upper and lower kinematic pair, be fixedly installed on the tooth bar on fixed plate and the gear being driven by drive part being meshed with tooth bar; Described turning unit is to consist of with the special-shaped axis that the bearing support of mounting plate upper and lower end setting combines bearing respectively upper and lower two ends, the stage casing of described special-shaped axis is the hollow structure for penetrating perpendicular crossing drive part, and the gyration center of drive part and special-shaped axis is orthogonal, special-shaped axis can swing in the angular range of setting, and whole mechanism can realize the interlock of both direction rotation.
Moving cell described in the utility model is circular motion unit, described circular motion unit comprises fixed plate, the mounting plate combining with fixed plate facade in the mode being slidably matched by the upper and lower kinematic pair of arcuate structure, the tooth bar being fixedly installed on fixed plate between upper and lower kinematic pair is arcuate structure.
Described in the utility model, moving cell can be designed as linear motion unit according to practical situations, described linear motion unit comprises fixed plate, the mounting plate combining with fixed plate facade in the mode being slidably matched by the upper and lower kinematic pair of linear structure, the tooth bar being fixedly installed on fixed plate between upper and lower kinematic pair is linear structure.
The hunting range of special-shaped axis described in the utility model is by the gap control between drive part and special-shaped axis; Described drive part is generally made up of motor and retarder.
Upper and lower kinematic pair described in the utility model is made up of guide rail and slide block.
Working principle of the present utility model (taking circular motion unit as example) and beneficial effect are as follows:
Circular motion unit relies on the engagement of arc-shaped rack and gear to drive and does the rotation of ordering around O; The stage casing of special-shaped axis is radially hollow, and the drive part of circular motion unit is through the hollow space of special-shaped axis, and special-shaped axis can do a swing, and the angular range of swing is determined by the gap between drive part and special-shaped axis; The orthogonal O that coincides with of the gyration center of circular motion unit and the gyration center of special-shaped axis, integrated model can be realized the interlock of both direction rotation.
Because the utility model is arranged together two rotating shafts of Vertical direction across, the arrangement that each rotating shaft is connected successively with tradition is compared, structure is very compact, integral rigidity is also easily guaranteed, and is very suitable for the limited and occasion to rigidity requirement harshness of some installing spaces in mechanical engineering field.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model (arcuate movement pair).
Fig. 2 is the left sectional view of Fig. 1.
In Fig. 1, Fig. 2: 1-fixed plate, 2-upper kinematic pair, 3-mounting plate, 4-special-shaped axis, 5-drive part, 6-lower kinematic pair, 7-tooth bar, 8-gear.
Fig. 3 is second embodiment's of the present utility model structural representation (straight line motion pair).
Embodiment
Below with reference to example and accompanying drawing, the utility model is further described.
Embodiment 1
As shown in Figure 1, 2, the orthogonal two rotary shaft mechanisms of high rigidity gyration center of can realizing of the present utility model comprise circular motion unit and turning unit, described moving cell comprises fixed plate 1, the mounting plate 3 combining with fixed plate 1 facade in the mode being slidably matched by the upper and lower kinematic pair 2,6 of arc structure, the tooth bar that is fixedly installed on the arc structure on fixed plate 17 between the upper and lower kinematic pair 2,6 of arc structure, and the gear being driven by drive part 58 being meshed with the tooth bar 7 of arc structure, described turning unit is to consist of with the special-shaped axis 4 that the bearing support of mounting plate 3 upper and lower end settings combines bearing respectively upper and lower two ends, the stage casing of described special-shaped axis 4 is the hollow structure for penetrating perpendicular crossing drive part 5, and the gyration center of drive part 5 and special-shaped axis 4 is orthogonal, special-shaped axis 4 can swing in the angular range of setting, the pendulum angle of design should make it not touch the external frame of drive part 5, by such layout, overall structure is very compact, rigidity is easy to be guaranteed, whole mechanism can realize the interlock of both direction rotation, described upper and lower kinematic pair the 2, the 6th, is made up of guide rail and slide block.
More specifically, the inside and outside profile of the hollow structure part of special-shaped axis 4 described in the utility model is all square (also can be according to actual needs the profile of special-shaped axis 4 and hollow space design being become to the shape and structure of any appropriate), and the profile of drive part 5 be circle; The hunting range of described special-shaped axis 4 is by the gap control between drive part 5 and special-shaped axis 4; Described drive part 5 comprises motor and retarder, and its innermost end is provided with gear 8, drives by the engagement of gear 8 and tooth bar 7, realizes the part of mounting plate 3 and upper installation thereof and does together the rotation of ordering around O, and integrated model can be realized rotatablely moving of both direction.
Embodiment 2
As shown in Figure 3, the present embodiment and embodiment's 1 difference is: described moving cell is linear motion unit, described linear motion unit comprises fixed plate 1, the mounting plate 3 combining with fixed plate 1 facade in the mode being slidably matched by the upper and lower kinematic pair 2,6 of linear structure, the tooth bar 7 being fixedly installed on fixed plate 1 between upper and lower kinematic pair 2,6 is linear structure.
Claims (5)
1. can realize the orthogonal two rotary shaft mechanisms of high rigidity gyration center for one kind, it is characterized in that: described mechanism comprises moving cell and turning unit, described moving cell comprises fixed plate (1), the mounting plate (3) combining with mode and fixed plate (1) facade being slidably matched by upper and lower kinematic pair (2,6), be positioned at the tooth bar (7) on fixed plate (1) that is fixedly installed between upper and lower kinematic pair (2,6), and the gear (8) being driven by drive part (5) being meshed with tooth bar (7); Described turning unit is that the special-shaped axis (4) being combined with the bearing support of mounting plate (3) upper and lower end setting by bearing respectively by upper and lower two ends forms, the stage casing of described special-shaped axis (4) is the hollow structure for penetrating perpendicular crossing drive part (5), and the gyration center of drive part (5) and special-shaped axis (4) is orthogonal, special-shaped axis (4) can swing in the angular range of setting, and whole mechanism can realize the interlock of both direction rotation.
2. according to claim 1ly can realize the orthogonal two rotary shaft mechanisms of high rigidity gyration center, it is characterized in that: described moving cell is circular motion unit, described circular motion unit comprises fixed plate (1), the mounting plate (3) combining with mode and fixed plate (1) facade being slidably matched by the upper and lower kinematic pair (2,6) of arcuate structure, the tooth bar (7) being fixedly installed on fixed plate (1) being positioned between upper and lower kinematic pair (2,6) is arcuate structure.
3. according to claim 1ly can realize the orthogonal two rotary shaft mechanisms of high rigidity gyration center, it is characterized in that: described moving cell is linear motion unit, described linear motion unit comprises fixed plate (1), the mounting plate (3) combining with mode and fixed plate (1) facade being slidably matched by the upper and lower kinematic pair (2,6) of linear structure, the tooth bar (7) being fixedly installed on fixed plate (1) being positioned between upper and lower kinematic pair (2,6) is linear structure.
4. according to claim 1ly can realize the orthogonal two rotary shaft mechanisms of high rigidity gyration center, it is characterized in that: the hunting range of described special-shaped axis (4) is by the gap control between drive part (5) and special-shaped axis (4).
5. according to claim 1ly can realize the orthogonal two rotary shaft mechanisms of high rigidity gyration center, it is characterized in that: described upper and lower kinematic pair (2,6) is made up of guide rail and slide block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420265981.8U CN203857215U (en) | 2014-05-23 | 2014-05-23 | Double-rotating-shaft mechanism capable of realizing orthogonalization of high-rigidity rotation centers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420265981.8U CN203857215U (en) | 2014-05-23 | 2014-05-23 | Double-rotating-shaft mechanism capable of realizing orthogonalization of high-rigidity rotation centers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203857215U true CN203857215U (en) | 2014-10-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420265981.8U Withdrawn - After Issue CN203857215U (en) | 2014-05-23 | 2014-05-23 | Double-rotating-shaft mechanism capable of realizing orthogonalization of high-rigidity rotation centers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203857215U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019337A (en) * | 2014-05-23 | 2014-09-03 | 郑州机械研究所 | High-rigidity double-rotary-shaft mechanism capable of achieving orthogonality of gyration centers |
-
2014
- 2014-05-23 CN CN201420265981.8U patent/CN203857215U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019337A (en) * | 2014-05-23 | 2014-09-03 | 郑州机械研究所 | High-rigidity double-rotary-shaft mechanism capable of achieving orthogonality of gyration centers |
| CN104019337B (en) * | 2014-05-23 | 2016-01-13 | 郑州机械研究所 | Two rotary shaft mechanisms that high rigidity gyration center is orthogonal can be realized |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141001 Effective date of abandoning: 20160113 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |