CN106895830A - A kind of Wedge-type precision levelling gear for optics load light axial adjustment - Google Patents
A kind of Wedge-type precision levelling gear for optics load light axial adjustment Download PDFInfo
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- CN106895830A CN106895830A CN201710122326.5A CN201710122326A CN106895830A CN 106895830 A CN106895830 A CN 106895830A CN 201710122326 A CN201710122326 A CN 201710122326A CN 106895830 A CN106895830 A CN 106895830A
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- voussoir
- levelling gear
- leveling
- wedge
- screw
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
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- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
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Abstract
A kind of Wedge-type precision levelling gear for optics load light axial adjustment, belongs to Light Electrical field of engineering technology, it is therefore intended that solve the problems, such as the adjustment poor continuity of prior art presence, precision is low and rigidity is low.The present invention includes：Leveling base；The connecting bolt that lower end is fixedly connected with leveling base center；It is arranged on the adjustment mechanism of leveling base upper surface, the horizontal plane of the translation voussoir of adjustment mechanism and the contact of leveling base upper surface, the inclined plane of the inclined plane and lifting voussoir that translate voussoir is engaged, and lifts madial wall of the both ends of the surface of voussoir respectively with left cover and right cover plate and is engaged；Adjusting screw is threadedly coupled through left cover or right cover plate and with translation voussoir；The sphere adjustment mechanism of adjustment mechanism upper end is arranged on, sphere adjustment mechanism includes cooperatively forming the lower peripheral surface seat and upper spheric seating of spherical pair, and lower peripheral surface seat lower surface is fixed on lifting voussoir upper surface.Three groups of levelling gear circumference uniform distributions are between leveling substrate and load pedestal.
Description
Technical field
The invention belongs to Light Electrical field of engineering technology, it is related to a kind of mechanical levelling gear, and in particular to one kind is used for light
Learn the Wedge-type precision levelling gear of load light axial adjustment.
Background technology
O-E Payload is being debug and detection-phase, it is often necessary to which its optical axis and theodolite optical axis are aligned, and adjusts machine
Structure needs to have stability and resolution ratio higher.O-E Payload is fixed on a leveling pedestal mostly, and theodolite is fixed, and is led to
The optical axis and theodolite optical axis alignment of adjustment O-E Payload itself are crossed, the detection of the aspects such as the angle measurement accuracy of O-E Payload is realized.
Determine a principle for plane according to 3 points, levelling gear uses supported at three point leveling mostly.3 levelling gears
While a plane can be ensured, it is ensured that the light path alignment repeatability of O-E Payload.Mechanical levelling gear is because environment is fitted
Ying Xingqiang and can realize that auto-lock function is widely applied.It is commonly used in the prior art to have screw jack formula leveling machine
Structure, the Chinese patent of Publication No. 104656221A disclose one it is entitled " a kind of for the spiral of optical device
The technical scheme of accurate levelling gear ", in adjustment plate, the levelling gear includes mechanism's circumference uniform distribution：Bearing, connection spiral shell
Mother, adjusting nut, the first spheric washer are to, the second spheric washer to, locking nut and connecting bolt；Connecting bolt is sequentially passed through
Bearing, attaching nut, adjusting nut, the first spheric washer to, adjustment plate, the second spheric washer pair and locking nut；Bearing and
Attaching nut's screw thread is linked；Attaching nut and adjusting nut are threadedly coupled；Connecting bolt is threadedly coupled with attaching nut；By adjusting
Whole nut comes the current position of adjustment plate, after adjustment is finished, is fixed by locking nut and locked.The mechanism is according to 3 leveling originals
Reason, using fine thread fine setting and the characteristics of self-locking, anti-rotation, locking effect that left-right rotary screw thread is used cooperatively, but use spiral shell
The mode of rotation carries out leveling, adjusts poor continuity, and Adjustment precision is low, and rigidity is low, it is impossible to meet require well.
The content of the invention
It is an object of the invention to propose a kind of Wedge-type precision levelling gear for optics load light axial adjustment, solve
Adjustment poor continuity, the problem that precision is low and rigidity is low that prior art is present.
To achieve the above object, a kind of Wedge-type precision levelling gear bag for optics load light axial adjustment of the invention
Include：
Leveling base；
The connecting bolt that lower end is fixedly connected with leveling base center；
The adjustment mechanism of leveling base upper surface is arranged on, the adjustment mechanism includes translation voussoir, lifting voussoir and tune
Whole screw, the horizontal plane of the translation voussoir and leveling base upper surface contact, and translate the inclined plane of voussoir and lift voussoir
Inclined plane is engaged, and the both ends of the surface of the lifting voussoir are interior with the left cover and right cover plate being arranged on leveling base respectively
Sidewall contact coordinates；The adjusting screw is threadedly coupled through left cover or right cover plate and with translation voussoir；
The sphere adjustment mechanism of the adjustment mechanism upper end is arranged on, the sphere adjustment mechanism includes cooperatively forming sphere
Secondary lower peripheral surface seat and upper spheric seating, the lower peripheral surface seat lower surface are fixed on the lifting voussoir upper surface；
Between leveling substrate and load pedestal, leveling base lower surface is fixed on leveling to three groups of levelling gear circumference uniform distributions
On substrate upper surface, the upper surface of upper spheric seating and load pedestal lower surface contact, the adjusting screw in each group of levelling gear
It is disposed radially, rotates adjusting screw and drive corresponding translation voussoir to move radially.
The levelling gear also includes a lock-screw, the lock-screw and the corresponding left cover of adjusting screw or the right side
Cover plate is threadedly coupled, and the lock-screw and adjusting screw are vertically arranged, when lock-screw is tightened, lower surface and the adjustment spiral shell
Nail external cylindrical surface contact.
The levelling gear also includes an acorn nut and straight pin, the acorn nut and adjusting screw stretch out one
End threaded connection, and fixed by straight pin.
The inclination angle of translation voussoir and lifting voussoir is less than angle of friction.
The connecting bolt is each passed through the translation voussoir, lifting voussoir, lower peripheral surface seat, upper spheric seating and load base
Seat.
The connecting bolt upper end is located above load pedestal and is provided with two hex nuts.
The connecting bolt lower end is fixedly connected with leveling base by attachment screw, lifting voussoir and the lower ball
Face seat is fixedly connected by attachment screw.
Beneficial effects of the present invention are：A kind of Wedge-type precision leveling machine for optics load light axial adjustment of the invention
The acorn nut of structure is threadedly coupled with adjusting screw, and rotation acorn nut drives adjusting screw rotation, adjusting screw screw drive
Translation voussoir is moved left and right, and then drives lifting voussoir to move up and down.Lifting voussoir drives spherical pair (lower peripheral surface seat, upper sphere
Seat) rotation, so as to adjust the position of load pedestal, the inclination angle of translation voussoir and lifting voussoir is less than angle of friction, it is ensured that inclined-plane is certainly
Lock realizes self-locking without skidding off.After adjustment is finished, lock-screw locking adjusting screw, straight pin fixes acorn nut, two six
Angle nut check load pedestal.
The present invention realizes the leveling of load pedestal according to 3 levelling principles.Moved left and right by screw drive voussoir, borrowed
Spherical pair is helped to adjust the position of load pedestal.Voussoir stiffness by itself is larger, is suitable for big O-E Payload light axial adjustment.Voussoir itself
Can self-locking, effectively realize precision keep.Levelling gear simple structure of the present invention, efficiency high, low cost, error is small, reliable and stable,
Practical value is strong.
Brief description of the drawings
Fig. 1 is a kind of Wedge-type precision levelling gear structural representation for optics load light axial adjustment of the invention；
Wherein：1st, leveling substrate, 2, leveling base, 3, acorn nut, 4, straight pin, 5, adjusting screw, 6, left cover, 7,
Translation voussoir, 8, lock-screw, 9, lifting voussoir, 10, attachment screw, 11, lower peripheral surface seat, 12, upper spheric seating, 13, load base
Seat, 14, hex nut, 15, connecting bolt, 16, right cover plate.
Specific embodiment
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
Embodiment one：
Referring to accompanying drawing 1, a kind of Wedge-type precision levelling gear for optics load light axial adjustment of the invention includes：
Leveling base 2；
The connecting bolt 15 that lower end is fixedly connected with the center of leveling base 2；
The adjustment mechanism of the upper surface of leveling base 2 is arranged on, the adjustment mechanism includes translation voussoir 7, lifting voussoir 9 and
Adjusting screw 5, the horizontal plane of the translation voussoir 7 and the contact of the upper surface of leveling base 2, translate inclined plane and the lifting of voussoir 7
The inclined plane of voussoir 9 is engaged, and the both ends of the surface of the lifting voussoir 9 are respectively and the He of left cover 6 that is arranged on leveling base 2
The madial wall of right cover plate 16 is engaged；The adjusting screw 5 is threadedly coupled through left cover 6 and with translation voussoir 7；
The sphere adjustment mechanism of the adjustment mechanism upper end is arranged on, the sphere adjustment mechanism includes cooperatively forming sphere
Secondary lower peripheral surface seat 11 and upper spheric seating 12,11 lower surfaces of lower peripheral surface seat are fixed on lifting voussoir 9 upper surface；
Between leveling substrate 1 and load pedestal 13, the lower surface of leveling base 2 is fixed on three groups of levelling gear circumference uniform distributions
On the upper surface of leveling substrate 1, the upper surface of upper spheric seating 12 and the lower surface of load pedestal 13 contact, in each group of levelling gear
Adjusting screw 5 is disposed radially, and rotates adjusting screw 5 and drives corresponding translation voussoir 7 to move radially.
The levelling gear also includes a lock-screw 8, and the lock-screw 8 and left cover 6 are threadedly coupled, the lock
Tight screw 8 and adjusting screw 5 are vertically arranged, and when lock-screw 8 is tightened, lower surface and the external cylindrical surface of the adjusting screw 5 are contacted.
The levelling gear also includes an acorn nut 3 and straight pin 4, and the acorn nut 3 stretches out with adjusting screw 5
Threaded one end connection, and fixed by straight pin 4.
The inclination angle of translation voussoir 7 and lifting voussoir 9 is less than angle of friction, and automatic performance is good, it is ensured that the precision of levelling gear
And reliability.
The connecting bolt 15 is each passed through the translation voussoir 7, lifting voussoir 9, the lower peripheral surface seat 11, and of upper spheric seating 12
Load pedestal 13.
The top that the upper end of the connecting bolt 15 is located at load pedestal 13 is provided with two hex nuts 14, and adjustment is finished
Afterwards, self-locking is realized by two hex nuts 14,
The lower end of the connecting bolt 15 is fixedly connected with leveling base 2 by attachment screw 10, lifting voussoir 9 and the institute
Lower peripheral surface seat 11 is stated to be fixedly connected by attachment screw 10.
Embodiment two：
The present embodiment is with the difference of embodiment one：The adjusting screw 5 through right cover plate 16 and with translation the spiral shell of voussoir 7
Line is connected；The lock-screw 8 and right cover plate 16 are threadedly coupled.
Claims (7)
1. a kind of Wedge-type precision levelling gear for optics load light axial adjustment, it is characterised in that including：
Leveling base (2)；
The connecting bolt (15) that lower end is fixedly connected with leveling base (2) center；
The adjustment mechanism of leveling base (2) upper surface is arranged on, the adjustment mechanism includes translation voussoir (7), lifting voussoir (9)
With adjusting screw (5), the horizontal plane of translation voussoir (7) and the contact of leveling base (2) upper surface, translation voussoir (7) are inclined
Inclined-plane and the inclined plane of lifting voussoir (9) are engaged, and the both ends of the surface of lifting voussoir (9) respectively and are arranged on leveling base
(2) madial wall of left cover (6) and right cover plate (16) on is engaged；The adjusting screw (5) is through left cover (6) or the right side
Cover plate (16) is simultaneously threadedly coupled with translation voussoir (7)；
The sphere adjustment mechanism of the adjustment mechanism upper end is arranged on, the sphere adjustment mechanism includes cooperatively forming spherical pair
Lower peripheral surface seat (11) and upper spheric seating (12), described lower peripheral surface seat (11) lower surface are fixed on described lifting voussoir (9) upper surface
On；
Three groups of levelling gear circumference uniform distributions between leveling substrate (1) and load pedestal (13), fix by leveling base (2) lower surface
On leveling substrate (1) upper surface, the upper surface of upper spheric seating (12) and load pedestal (13) lower surface contact, each group of leveling
Adjusting screw (5) in mechanism is disposed radially, and rotates adjusting screw (5) and drives corresponding translation voussoir (7) to move radially.
2. a kind of Wedge-type precision levelling gear for optics load light axial adjustment according to claim 1, its feature
It is that the levelling gear also includes a lock-screw (8), the lock-screw (8) and the corresponding left cover of adjusting screw (5)
Plate (6) or right cover plate (16) are threadedly coupled, and the lock-screw (8) and adjusting screw (5) are vertically arranged, and lock-screw (8) is twisted
When tight, lower surface and the adjusting screw (5) external cylindrical surface are contacted.
3. a kind of Wedge-type precision levelling gear for optics load light axial adjustment according to claim 1, its feature
It is that the levelling gear also includes an acorn nut (3) and straight pin (4), the acorn nut (3) and adjusting screw
(5) the threaded one end connection stretched out, and it is fixed by straight pin (4).
4. a kind of Wedge-type precision leveling for optics load light axial adjustment according to any one in claim 1-3
Mechanism, it is characterised in that the inclination angle of translation voussoir (7) and lifting voussoir (9) is less than angle of friction.
5. a kind of Wedge-type precision levelling gear for optics load light axial adjustment according to claim 4, its feature
It is that the connecting bolt (15) is each passed through translation voussoir (7), lifting voussoir (9), lower peripheral surface seat (11), upper sphere
Seat (12) and load pedestal (13).
6. a kind of Wedge-type precision levelling gear for optics load light axial adjustment according to claim 4, its feature
It is that connecting bolt (15) upper end is located above load pedestal (13) and is provided with two hex nuts (14).
7. a kind of Wedge-type precision levelling gear for optics load light axial adjustment according to claim 4, its feature
It is that connecting bolt (15) lower end is fixedly connected with leveling base (2) by attachment screw (10), the lifting voussoir
(9) it is fixedly connected by attachment screw (10) with lower peripheral surface seat (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710122326.5A CN106895830A (en) | 2017-03-03 | 2017-03-03 | A kind of Wedge-type precision levelling gear for optics load light axial adjustment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710122326.5A CN106895830A (en) | 2017-03-03 | 2017-03-03 | A kind of Wedge-type precision levelling gear for optics load light axial adjustment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106895830A true CN106895830A (en) | 2017-06-27 |
Family
ID=59184588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710122326.5A Pending CN106895830A (en) | 2017-03-03 | 2017-03-03 | A kind of Wedge-type precision levelling gear for optics load light axial adjustment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106895830A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109282118A (en) * | 2018-11-09 | 2019-01-29 | 中国科学院长春光学精密机械与物理研究所 | Precise rotating platform shafting |
| CN109595234A (en) * | 2018-12-05 | 2019-04-09 | 深圳市哈德胜精密科技股份有限公司 | Leveling device |
| CN109962032A (en) * | 2017-12-25 | 2019-07-02 | 长光华大基因测序设备（长春）有限公司 | A kind of accurate leveling absorptive table |
| CN111965145A (en) * | 2020-08-14 | 2020-11-20 | 西安应用光学研究所 | Spatial different-plane optical window assembly multi-degree-of-freedom transmission resolution testing device |
| CN112503351A (en) * | 2020-10-29 | 2021-03-16 | 中国科学院西安光学精密机械研究所 | Thread type leveling mechanism for theodolite |
| CN115070409A (en) * | 2022-06-10 | 2022-09-20 | 中国航空工业集团公司北京航空精密机械研究所 | Four-degree-of-freedom adjusting mechanism |
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| CN104656221A (en) * | 2015-02-12 | 2015-05-27 | 中国科学院长春光学精密机械与物理研究所 | Screw-type precise leveling mechanism for optical equipment |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109962032A (en) * | 2017-12-25 | 2019-07-02 | 长光华大基因测序设备（长春）有限公司 | A kind of accurate leveling absorptive table |
| CN109962032B (en) * | 2017-12-25 | 2021-05-14 | 长春长光华大智造测序设备有限公司 | Precise leveling adsorption table |
| CN109282118A (en) * | 2018-11-09 | 2019-01-29 | 中国科学院长春光学精密机械与物理研究所 | Precise rotating platform shafting |
| CN109282118B (en) * | 2018-11-09 | 2020-04-10 | 中国科学院长春光学精密机械与物理研究所 | Precision rotary table shaft system |
| CN109595234A (en) * | 2018-12-05 | 2019-04-09 | 深圳市哈德胜精密科技股份有限公司 | Leveling device |
| CN111965145A (en) * | 2020-08-14 | 2020-11-20 | 西安应用光学研究所 | Spatial different-plane optical window assembly multi-degree-of-freedom transmission resolution testing device |
| CN112503351A (en) * | 2020-10-29 | 2021-03-16 | 中国科学院西安光学精密机械研究所 | Thread type leveling mechanism for theodolite |
| CN115070409A (en) * | 2022-06-10 | 2022-09-20 | 中国航空工业集团公司北京航空精密机械研究所 | Four-degree-of-freedom adjusting mechanism |
| CN115070409B (en) * | 2022-06-10 | 2024-04-05 | 中国航空工业集团公司北京航空精密机械研究所 | Four-degree-of-freedom adjusting mechanism |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170627 |
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| WD01 | Invention patent application deemed withdrawn after publication |