CN201593671U - A Universal Space Double Positioning Rotation Mechanism - Google Patents
A Universal Space Double Positioning Rotation Mechanism Download PDFInfo
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- CN201593671U CN201593671U CN2009203506185U CN200920350618U CN201593671U CN 201593671 U CN201593671 U CN 201593671U CN 2009203506185 U CN2009203506185 U CN 2009203506185U CN 200920350618 U CN200920350618 U CN 200920350618U CN 201593671 U CN201593671 U CN 201593671U
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- plane
- turntable
- rotating mechanism
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- frame
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- 230000007246 mechanism Effects 0.000 title claims abstract description 43
- 239000000463 material Substances 0.000 claims description 10
- 239000000470 constituent Substances 0.000 claims description 3
- 230000005855 radiation Effects 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
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Abstract
本实用新型涉及一种通用空间双定位转动机构，包括：用作机构底座的大转台，承载转动机构的其它组成部分并带动被承载物进行转动；大转台上设有入射射线载台，承载入射射线的发射装置；入射射线载台上设有小转台，作为承载装置并带动其上的被承载物进行转动；小转台上设有平面架载台，承载平面架，平面架可绕平面架载台的轴转动；平面架上装有平面载体，平面载体可绕其中心在平面架内转动；平面载体上装有平面物。本实用新型以上四个转动机构相互独立，均能实现相应平面内或绕轴360°转动；四个转动结构均依托底座平面转动，没有增加额外转动惯量结构，实现了高转动精度；该转动机构将入射射线与反射射线的发生机构“解放”出来，成为可以固定的机构。
The utility model relates to a universal space dual-positioning rotation mechanism, which comprises: a large turntable used as a mechanism base, which carries other components of the rotation mechanism and drives the carried object to rotate; Radiation emission device; a small turntable is set on the incident ray platform, which is used as a bearing device and drives the object on it to rotate; a flat frame platform is provided on the small turntable to carry a flat frame, and the flat frame can be carried around the flat frame The axis of the platform rotates; the plane carrier is equipped with a plane carrier, and the plane carrier can rotate around its center in the plane frame; the plane carrier is equipped with a plane object. The above four rotating mechanisms of the utility model are independent of each other, all of which can realize 360° rotation in the corresponding plane or around the axis; the four rotating structures all rely on the plane of the base to rotate, and no additional moment of inertia structure is added to achieve high rotational accuracy; the rotating mechanism The mechanism for generating incident rays and reflected rays is "liberated" and becomes a mechanism that can be fixed.
Description
Technical field
The utility model belongs to the mechanical motion field, relate to a kind of space multidimensional rotating mechanism, more specifically, relate to the general rotating mechanism of two location, a kind of implementation space, can be used for the occasion that rotate two location, the accurate implementation space of all needs in scientific research, the industry practical application.
Background technique
At present, space multidimensional rotational structure has many designs, but these designs are all based on bow-shaped structural intuitively, and its deficiency mainly contains: (1) rotational structure need support the rotary inertia of load, thereby influences rotation precision.(2) rotational structure all places the multi-dimensional movement structure with the position of two location, and a large amount of like this athletic meeting causes damage to the load in two position locations, especially when load is the instrument of precision.
The variation of four kinds of angles in the multidimensional rotating mechanism of space has been shown among Fig. 1.
Four kinds of angles refer to that (wherein plane of incidence refers to incident ray L
iWith the plane that axle N forms, reflection plane digital reflex ray L
rWith the plane that axle N forms, the first initial line of angle is axle X in the bottom plane, and true origin is that the axle center is O):
θ
i---incident ray L
iAngle in plane of incidence, i.e. incident ray L
iAnd the angle between the axle N;
θ
r---indirect ray L
rAngle in reflection plane, i.e. indirect ray L
rAnd the angle between the axle N;
More than the excursion of four angles:
θ
i:-90 °～+ 90 °, plane of incidence is interior to be the boundary with axle N, and two quadrants are respectively positive negative angle;
θ
r:-90 °～+ 90 °, reflection plane is interior to be the boundary with axle N, and two quadrants are respectively positive negative angle;
By the variation of above-mentioned four angles, can realize incident ray L
iWith indirect ray L
rLocation in the space, i.e. (θ
i,
) located incident ray L
iPosition in the space, (θ
r,
) located indirect ray L
rPosition in the space.
The model utility content
The technical problems to be solved in the utility model provides a kind of space multidimensional rotational structure that can realize the variation of four kinds of angles shown in Figure 1, and is a kind of fine structure that is easy to general operation.
In order to solve the problems of the technologies described above, the utility model provides a kind of general-purpose spatial double-positioning rotating mechanism, it is characterized in that, comprising:
Big turntable, as the base of described rotating mechanism, other constituent element of described rotating mechanism of carrying also can drive and be rotated by bearing material on it;
Incident ray microscope carrier is positioned on the big turntable;
Little turntable is positioned on the incident ray microscope carrier, also can drive being rotated by bearing material on it as bearing device;
Plane frame microscope carrier is positioned on the little turntable, load plane frame on it;
The plane frame is positioned on the frame microscope carrier of plane, and flat carrier is installed on it;
Flat carrier is installed on the frame of plane by bearing pin, is used for the load plane thing.
Wherein, on the described big turntable big turntable motor is installed, be used to drive big turntable and on planar rotated by bearing material.
Wherein, on the described little turntable little turntable motor is installed, be used to drive little turntable and on planar rotated by bearing material.
Wherein, on the frame of described plane the pitch regulation motor is installed, is used to drive the flat carrier and the plane object that are installed on the frame of plane and sways around the axle of plane frame.
Wherein, projection is installed on the described flat carrier regulates motor, be used to drive plane object and rotate.
The advantage of the utility model general-purpose spatial double-positioning rotating mechanism is: four rotations of (1) mechanism are separate, and each can realize 360 ° of rotations around the central shaft of self; (2) four central shafts of four rotations of mechanism intersect at central point, and central point does not change in four independent rotation processes, and promptly no matter how incident ray and indirect ray locate in the space, and their joint is constant all the time in the space; (3) four rotational structures of mechanism have all been carried out the plane rotating manner that relies on base, and the not built on stilts structure that increases additional rotation inertia that waits has realized higher rotation precision; (4) mechanism has realized the Space Double location of incident ray and indirect ray by four rotations to plane object, thereby the generating mechanism " liberation " of incident ray and indirect ray is come out, and becomes the mechanism that can fix.
Description of drawings
Fig. 1 is that four kinds of angles of the utility model general-purpose spatial double-positioning rotating mechanism change the definition diagram;
Fig. 2 is the utility model general-purpose spatial double-positioning rotating mechanism three-D space structure schematic representation;
Fig. 3 is the utility model general-purpose spatial double-positioning rotating mechanism rotating function schematic representation;
Fig. 4 is the solid geometry figure of equal value of four kinds of angles of general-purpose spatial double-positioning rotating mechanism of the present invention.
Among the figure, 1: big turntable motor; 2: little turntable motor; 3: the pitch regulation motor; 4: motor is regulated in projection; 5: big turntable; 6: incident ray microscope carrier; 7: little turntable; 8: plane frame microscope carrier; 9: flat carrier; 10: the plane frame; 11: plane object (being bottom plane among Fig. 1); 12: the incident ray; 13: indirect ray; 14: plane normal (being Fig. 1 axis N); 11,12,13,14 intersection point is axle center O.
Embodiment
Be described further with regard to general-purpose spatial double-positioning rotating mechanism described in the utility model below in conjunction with the drawings and specific embodiments.
Fig. 2 is the utility model general-purpose spatial double-positioning rotating mechanism three-D space structure schematic representation.As seen from the figure, this general-purpose spatial double-positioning rotating mechanism comprises big turntable 5, and as the base of described rotating mechanism, other constituent element of described rotating mechanism of carrying also can drive and be rotated by bearing material on it, and its side is equipped with big turntable motor 1; Incident ray microscope carrier 6 is positioned on the big turntable; Little turntable 7 is positioned on the incident ray microscope carrier 6, also can drive being rotated by bearing material on it as bearing device, and its side is equipped with little turntable motor 2; Plane frame microscope carrier 8 is positioned on the little turntable 7 load plane frame 10 on it; Plane frame 10 is positioned on the plane frame microscope carrier 8, and flat carrier 9 is installed on it, and its side is equipped with pitch regulation motor 3; Flat carrier 9 is installed on the plane frame 10 by bearing pin, and plane object 11 is installed on it, and motor 4 is regulated in projection; Plane object 11 is positioned on the flat carrier 9.
In conjunction with Fig. 2 and Fig. 3 the general-purpose spatial double-positioning rotating mechanism rotating function is described
Little turntable motor 2 can drive all mechanisms on the little turntable 7 (comprise 3, all mechanisms of 7-11) and realize 360 ° of rotations in the XY plane as shown in Figure 3.
Pitch regulation motor 3 can drive flat carrier 9, plane object 11 realizes around 360 ° of rotations of axle around the axle of plane frame 10.
Motor 4 is regulated in projection can drive plane object 11 around 360 ° of rotations of plane normal 14 realizations.
As shown in Figure 4, be the solid geometry figure of equal value that obtains by schematic diagram shown in Figure 1.
Among the figure:
S
1---incident ray L
iWith indirect ray L
rDetermined plane;
θ---axle N and planar S
1Between angle;
N---axle N is in planar S
1Interior projection line;
S
2---axle N and the determined plane of line n;
S
3---with the perpendicular plane of axle N.
Then, establish N=1, following relation then arranged according to solid geometry:
l
2＝sec
2θ
r+sec
2θ
i-2secθ
rsecθ
icosθ
Can obtain the analytic expression of θ by above-mentioned two formulas:
Again by S
2And S
3The area relation of equality, can obtain:
Because S
2=S
3So:
Wherein:
Then have:
Thereby obtain
Analytic expression.
Can obtain from above derivation, so-called Space Double location promptly refers to (θ
i,
), (θ
r,
) the determining of four angles.When these four angles are determined, angle
Also just determined with θ, and these two angles can realize in design proposal.The rotation of wherein big turntable motor 1 and little turntable motor 2 has realized
(incident ray L
iWith indirect ray L
rRelative position location), the rotation of pitch regulation motor 3 has realized θ, and projection is regulated the rotation of motor 4 and realized
Absolute fix (be incident ray L among Fig. 1
iWith indirect ray L
rAnd the angle between the axle X).
Conversely, promptly the independent rotation of four of this design proposal motors has realized that the independence of four angles is definite, thereby has realized the two location of the universal space.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvement and replacement, these improvement and replacement also should be considered as protection domain of the present utility model.
Claims (5)
1. a general-purpose spatial double-positioning rotating mechanism is characterized in that, comprising:
Big turntable (5), as the base of described rotating mechanism, other constituent element of described rotating mechanism of carrying also can drive and be rotated by bearing material on it;
Incident ray microscope carrier (6) is positioned on the big turntable (5);
Little turntable (7) is positioned on the incident ray microscope carrier (6), also can drive being rotated by bearing material on it as bearing device;
Plane frame microscope carrier (8) is positioned on the little turntable (7), load plane frame (10) on it;
Plane frame (10) is positioned on the plane frame microscope carrier (8), and flat carrier (9) is installed on it;
Flat carrier (9) is installed on the plane frame (10) by bearing pin, is used for load plane thing (11).
2. general-purpose spatial double-positioning rotating mechanism as claimed in claim 1 is characterized in that, big turntable motor (1) is installed on the described big turntable (5), be used to drive big turntable (5) and on planar rotated by bearing material.
3. general-purpose spatial double-positioning rotating mechanism as claimed in claim 1 is characterized in that, little turntable motor (2) is installed on the described little turntable (7), be used to drive little turntable (7) and on planar rotated by bearing material.
4. general-purpose spatial double-positioning rotating mechanism as claimed in claim 1, it is characterized in that, pitch regulation motor (3) is installed on the described plane frame (10), is used for driving the flat carrier (9) and the plane object (11) that are installed on the plane frame (10) and sways around the axle of plane frame (10).
5. general-purpose spatial double-positioning rotating mechanism as claimed in claim 1 is characterized in that, projection is installed on the described flat carrier (9) regulates motor (4), is used to drive plane object (11) and rotates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203506185U CN201593671U (en) | 2009-12-25 | 2009-12-25 | A Universal Space Double Positioning Rotation Mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203506185U CN201593671U (en) | 2009-12-25 | 2009-12-25 | A Universal Space Double Positioning Rotation Mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN201593671U true CN201593671U (en) | 2010-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203506185U Expired - Fee Related CN201593671U (en) | 2009-12-25 | 2009-12-25 | A Universal Space Double Positioning Rotation Mechanism |
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| Country | Link |
|---|---|
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101825212B (en) * | 2009-12-25 | 2013-02-13 | 中国计量科学研究院 | General-purpose spatial double-positioning rotating mechanism |
-
2009
- 2009-12-25 CN CN2009203506185U patent/CN201593671U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101825212B (en) * | 2009-12-25 | 2013-02-13 | 中国计量科学研究院 | General-purpose spatial double-positioning rotating mechanism |
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| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100929 Termination date: 20111225 |