CN201034585Y - Digital spirit levels sensor positioning and regulating mechanism - Google Patents
Digital spirit levels sensor positioning and regulating mechanism Download PDFInfo
- Publication number
- CN201034585Y CN201034585Y CNU200620158107XU CN200620158107U CN201034585Y CN 201034585 Y CN201034585 Y CN 201034585Y CN U200620158107X U CNU200620158107X U CN U200620158107XU CN 200620158107 U CN200620158107 U CN 200620158107U CN 201034585 Y CN201034585 Y CN 201034585Y
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- sensor
- digital level
- fixed support
- amici prism
- optical axis
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Abstract
The utility model discloses a digital level sensor positioning and adjusting mechanism and a digital level of the mechanism. The sensor positioning and adjusting mechanism comprises a sensor connector, a sensor fixation apparatus and screws etc. The sensor connector is connected with the sensor fixation apparatus that comprises two side arms, one side arm is provided with a long hole; the screws can move along the horizontal direction that is perpendicular to an optical axis through the long hole. The sensor connector is fixed on the proper position of the sensor fixation apparatus by the screws through the hole. The other side arm of the sensor fixation apparatus is provided with a thread through-hole at the direction that is parallel to the optical axis, the position that is along the optical axis of the sensor is adjusted by a rotary screw that is matched with the screw through-hole. Compared to the existing technology, the utility model scheme ensures installation and adjustment rapid and location reliable. All components adopt surface contact, no elastic deformation, the location is reliable. The accuracy and reliability of location of the sensor can be assured by common processing method.
Description
Technical field
The utility model relates to a kind of location and adjusting mechanism of key components photoelectric sensor (as CCD) of digital level, and the location of Amici prism and adjusting mechanism, and the digital level that comprises said mechanism.
Background technology
Digital level is to increase by a cover electronical reading system at the traditional optical automatic compensated level, realizes automatic rod reading.Its optical system as shown in Figure 1.The imaging light that Amici prism will enter telescopic system is divided into two-way, and a Reuter crosses Amici prism and enters eyepiece and sight target for eye-observation, and another road light reflects into into photoelectric sensor (as CCD etc.), the sub-frame of reference interpretation scale of powering through Amici prism.
The Amici prism of existing digital level and the optical system principle of sensing system are basic identical, and physical construction has nothing in common with each other, mainly contain following two kinds: a kind of characteristics of scheme are that Amici prism and graticule are fixed on the same metal parts, the end face of Amici prism or bottom surface are locating surface, sensor CCD is an area array CCD, the adjustment that the sensor adjustment has only optical axis direction and rotating both direction around optical axis.The characteristics of another kind of scheme are that Amici prism is fixed on the Amici prism seat, and by the position of the translation of Amici prism seat in surface level with rotation adjustment Amici prism, the Amici prism seat is screwed on the housing of instrument.And sensor is connected with the Amici prism seat by bent plate, utilizes the via clearance at attachment screw place that sensor is rotated around optical axis.Bent plate adopts the top pulling machine structure to be connected with the surface of contact of Amici prism seat, and surface of contact middle part straight pin is as fulcrum, and the attachment screw that rotates two parts can make the light receiving surface of sensor perpendicular to optical axis.
In above-mentioned first kind of scheme, because Amici prism and graticule are fixed on the same part, graticule adjustment (the graticule adjustment is that the adjustment of I angle belongs to the adjustable project of user) can cause the change in location of Amici prism; And in above-mentioned second kind of scheme, though the adjustment of sensor and graticule is independent of each other, the bent plate shape stability that connects sensor is poor, and the top pulling machine structure is because its point contact junction structure makes reliability of positioning can not show a candle to surface contact structure.The adjustment of the horizontal direction position of prism (prism lateral position) realizes by the translation structure of prism table.Prism all is that most important side is located or bearing accuracy is low with end face (or bottom surface) location in above-mentioned two schemes, or needs to arrange special adjusting mechanism.
Summary of the invention
At the deficiencies in the prior art, the utility model provides a kind of and locatees reliable and debug the location and the adjusting mechanism of key components photoelectric sensor (as Amici prism and sensor etc.) of the digital level of good manufacturability.
The utility model digital level sensor location comprises with adjusting mechanism: sensor web member, sensor fixed support and screw, the sensor web member contacts fixedly connected with sensor employing face, the sensor fixed support comprises two side arms, on the side arm slotted hole is set, screw can move along the horizontal direction perpendicular to optical axis by slotted hole, and screw is fixed on the sensor web member on the sensor fixed support by slotted hole; The tapped through hole that is parallel to optical axis direction is set on another side arm of sensor fixed support, adjusts the position of sensor along optical axis direction by the rotary screw that cooperates with tapped through hole.
Above-mentioned digital level sensor location can also comprise with adjusting mechanism: between the sensor fixed support side arm that is parallel to the optical axis direction tapped through hole in setting and the digital level housing spring or spring leaf are set, the effect of spring (sheet) is to make the sensor fixed support can be mobile along with the rotation sensitivity of rotary screw.
Above-mentioned digital level sensor location can also comprise with adjusting mechanism: the sensor fixed support is fixed by screw and digital level housing, employing face contacts between sensor fixed support and the digital level housing, slotted hole is set on the housing, is convenient to the sensor fixed support is fixed on suitable location.
A kind of digital level comprises the sensor location and adjusting mechanism.
In the utility model digital level, the Amici prism detent mechanism can for: the locating surface of Amici prism is arranged on prism side, and the Amici prism seat is fixed on the housing, and the adjustment of graticule can not have influence on the position of Amici prism.
Compared with prior art, the utility model scheme has designed location, the adjusting mechanism of sensor and Amici prism in a narrow space, has guaranteed to debug quick reliable with the location simultaneously.Amici prism adopts the location, side in this programme, and the part in the sensor adjusting mechanism all is the face contact, adjust fast, and nonelastic distortion, the location is reliable.Common job operation both can guarantee the accurate and reliability of sensor location.There is not the location difficulty problem in vertical direction because prism dimensions has design capacity.
Description of drawings
Fig. 1 is a digital level optical system synoptic diagram.
Fig. 2 is the synoptic diagram of a kind of concrete location of the utility model digital level sensor and light prism, adjusting mechanism structure.
Embodiment
Further specify the location of the utility model digital level sensor and Amici prism, the 26S Proteasome Structure and Function of adjusting mechanism below in conjunction with accompanying drawing.
As shown in Figure 1, the digital level optical system generally comprises big objective lens 1, focusing lens group 2, Abbe prism 3, Amici prism 4, sensor 5, graticule 6, eyepiece group 7.The imaging light that Amici prism 4 will enter telescopic system is divided into two-way, and a Reuter crosses Amici prism and enters eyepiece and sight target for eye-observation, and another road light enters sensor (as CCD etc.), the sub-frame of reference interpretation scale of powering through the Amici prism reflection.
The utility model digital level sensor location comprises with adjusting mechanism: sensor web member 18, sensor fixed support 22 and corresponding screw etc., sensor web member 18 adopts the face way of contact to fixedly connected with sensor 17.Sensor fixed support 22 adopts the double-sided arm structure, on the side arm of sensor fixed support 22 slotted hole (stepped hole) is set, screw 19 can move along the horizontal direction perpendicular to optical axis by slotted hole, and screw 19 is fixed on sensor web member 18 on sensor fixed support 22 suitable location by slotted hole; The tapped through hole that is parallel to optical axis direction is set on sensor fixed support 22 another side arms, adjusts the position of sensor 17 along optical axis direction by the rotary screw 21 that cooperates with tapped through hole.Unclamping screw 12 and gib screw 19 can make sensor move along optical axis direction with perpendicular to the horizontal direction of optical axis respectively.Wherein the adjustment along optical axis direction can realize by rotary screw 21, move to desired location after, fixing by gib screw 19.Be parallel in setting between the sensor fixed support side arm of tapped through hole of optical axis direction and the digital level housing spring or spring leaf 20 are set, the effect of spring (sheet) is that the sensor fixed support can be moved along with the rotation of rotary screw is sensitive.Sensor fixed support 22 is fixing by screw and digital level housing 11, and employing face contacts between sensor fixed support 22 and the digital level housing 11, on the housing 11 slotted hole is set, and gib screw 12 is fixed on suitable location by slotted hole with sensor 17.Sensor fixed support 22 is step-like, and described fixed support 22 two side arms form two step surfaces, are reference direction with the object lens direction, and two step surfaces are in the height difference of horizontal vertical direction.If sensor 17 is vertically set on the right-hand of Amici prism 16, the side arm upright position of fixation of sensor web member 18 is a left side, near Amici prism 16; The side arm upright position that rotary screw 21 is set is right, near the digital level housing.If sensor 17 is vertically set on the left of Amici prism 16, then the upright position of 22 two side arms of sensor fixed support is opposite: promptly the side arm upright position of fixation of sensor web member is right, and the side arm upright position that rotary screw is set is left.
In the utility model digital level, the locating surface of Amici prism 16 is arranged on prism side, and Amici prism seat 15 is fixed on the housing, and graticule 13 is fixed on the graduation panel seat 14, and the adjustment of graticule 13 can not have influence on the position of Amici prism 16.Amici prism 16 1 sides are the Baltimore groove structure on the Amici prism seat 15, can the side of Amici prism 16 be positioned on the one hand, on the other hand, have increased the strength and stiffness at Amici prism seat 15 middle parts.
Claims (8)
1. a digital level sensor is located and adjusting mechanism, comprise: sensor web member, sensor fixed support and screw, it is characterized in that: described sensor web member contacts fixedly connected with sensor employing face, the sensor fixed support comprises two side arms, on the side arm slotted hole is set, screw can move along the horizontal direction perpendicular to optical axis by slotted hole, and screw is fixed on the sensor web member on the sensor fixed support by slotted hole; The tapped through hole that is parallel to optical axis direction is set on another side arm of sensor fixed support, adjusts the position of sensor along optical axis direction by the rotary screw that cooperates with tapped through hole.
2. according to the described mechanism of claim 1, it is characterized in that: described digital level sensor location and adjusting mechanism comprise: be parallel between the sensor fixed support side arm of optical axis direction tapped through hole and the digital level housing in setting spring or spring leaf are set.
3. according to the described mechanism of claim 1, it is characterized in that: described digital level sensor location comprises with adjusting mechanism: the sensor fixed support is fixed by screw and digital level housing, employing face contacts between sensor fixed support and the digital level housing, slotted hole is set on the housing, is convenient to the sensor fixed support is fixed on suitable location.
4. according to the described mechanism of claim 1, it is characterized in that: described sensor fixed support is step-like, sensor is vertically set on the right-hand of Amici prism, and the side arm upright position of fixation of sensor web member is a left side, and the side arm upright position that rotary screw is set is right; Or sensor is vertically set on the left of Amici prism, and the side arm upright position of fixation of sensor web member is right, and the side arm upright position that rotary screw is set is a left side.
5. according to the described mechanism of claim 4, it is characterized in that: described fixed support two side arms forms two step surfaces, is reference direction with the object lens direction, and two step surfaces are in the height difference of horizontal vertical direction.
6. a digital level is characterized in that: comprise the arbitrary claim of claim 1～5 described sensor location and adjusting mechanism.
7. according to the described digital level of claim 6, it is characterized in that: described digital level also comprises the Amici prism that has the Amici prism seat, and the locating surface of described Amici prism is arranged on prism side, and described Amici prism seat is fixed on the housing.
8. according to the described digital level of claim 7, it is characterized in that: a side of Amici prism is the Baltimore groove structure on the described Amici prism seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200620158107XU CN201034585Y (en) | 2006-11-07 | 2006-11-07 | Digital spirit levels sensor positioning and regulating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200620158107XU CN201034585Y (en) | 2006-11-07 | 2006-11-07 | Digital spirit levels sensor positioning and regulating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201034585Y true CN201034585Y (en) | 2008-03-12 |
Family
ID=39195474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200620158107XU Expired - Lifetime CN201034585Y (en) | 2006-11-07 | 2006-11-07 | Digital spirit levels sensor positioning and regulating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201034585Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102095684A (en) * | 2011-01-13 | 2011-06-15 | 河南农业大学 | Multiple-DOF (degree of freedom) adjusting mechanism of optical surface plasma resonance biosensor |
| CN102410989A (en) * | 2011-11-16 | 2012-04-11 | 河南农业大学 | Dual-channel MDOF (multidegree of freedom) adjustment mechanism of optical surface plasma resonance biosensor |
-
2006
- 2006-11-07 CN CNU200620158107XU patent/CN201034585Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102095684A (en) * | 2011-01-13 | 2011-06-15 | 河南农业大学 | Multiple-DOF (degree of freedom) adjusting mechanism of optical surface plasma resonance biosensor |
| CN102095684B (en) * | 2011-01-13 | 2012-05-23 | 河南农业大学 | Multiple-DOF (degree of freedom) adjusting mechanism of optical surface plasma resonance biosensor |
| CN102410989A (en) * | 2011-11-16 | 2012-04-11 | 河南农业大学 | Dual-channel MDOF (multidegree of freedom) adjustment mechanism of optical surface plasma resonance biosensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BEIJING BOFEI INSTRUMENT CO., LTD. Free format text: FORMER NAME: BEIJING BOFEI INSTRUMENT CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 101149 No. 157 Xinhua Street, Beijing, Tongzhou District Patentee after: BEIJING BOFEI INSTRUMENT CO., LTD. Address before: 101149 No. 157 Xinhua Street, Beijing, Tongzhou District Patentee before: Beijing BoFei Instrument Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20080312 |
|
| EXPY | Termination of patent right or utility model |