CN100337086C - Improved corner measuring mechanism - Google Patents
Improved corner measuring mechanism Download PDFInfo
- Publication number
- CN100337086C CN100337086C CNB2004100503558A CN200410050355A CN100337086C CN 100337086 C CN100337086 C CN 100337086C CN B2004100503558 A CNB2004100503558 A CN B2004100503558A CN 200410050355 A CN200410050355 A CN 200410050355A CN 100337086 C CN100337086 C CN 100337086C
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- Prior art keywords
- linear displacement
- displacement transducer
- axle
- ball
- support plate
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 74
- 238000005259 measurement Methods 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 9
- 230000033001 locomotion Effects 0.000 abstract description 6
- 230000008520 organization Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Length Measuring Devices With Unspecified Measuring Means (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
本发明涉及测量技术工程和机械设计工程，具体是一种转角测量机构的结构。包括带有动尺头的直线位移传感器，导向机构，轴，其中：直线位移传感器为三根，每根直线位移传感器通过动尺头分别安装在导向机构上；其中直线位移传感器A的一端安装在A轴上，另一端与直线位移传感器B的一端一起安装在D轴上，直线位移传感器C的一端安装在B轴上，另一端与直线位移传感器B的另一端一起安装在C轴上，三根直线位移传感器为上、下两层分布结构，整体呈“N”字型结构；A轴和B轴通过转动副设在固定端上；C轴和D轴通过转动副和运动端连接。本发明可提高并联四边型测量转角机构的测量精度，能在保证运动精度的情况下，尽量简化设计结构。
The present invention relates to measurement technology engineering and mechanical design engineering, and specifically to a structure of an angle measuring mechanism. It includes a linear displacement sensor with a moving ruler head, a guide mechanism, and a shaft, wherein: there are three linear displacement sensors, each of which is installed on the guide mechanism through a moving ruler head; one end of the linear displacement sensor A is installed on the A shaft, and the other end is installed on the D shaft together with one end of the linear displacement sensor B; one end of the linear displacement sensor C is installed on the B shaft, and the other end is installed on the C shaft together with the other end of the linear displacement sensor B; the three linear displacement sensors are upper and lower two-layer distribution structures, and the whole is an "N"-shaped structure; the A shaft and the B shaft are arranged on the fixed end through a rotating pair; the C shaft and the D shaft are connected to the moving end through a rotating pair. The present invention can improve the measurement accuracy of the parallel quadrilateral angle measurement mechanism, and can simplify the design structure as much as possible while ensuring the movement accuracy.
Description
Technical field
The present invention relates to measuring technique engineering and Machine Design engineering, specifically is a kind of improved outer corner measurement mechanism.
Background technology
At present, measure in the mechanism of corner at the quadrilateral in parallel that adopts linear displacement transducer to make up as measuring components and parts, can adopt multiple structural design form, but according to actual conditions, when measuring accuracy is had relatively high expectations, to having relatively high expectations of Design of Mechanical Structure, how to guarantee designing requirement and less introducing mismachining tolerance be the design key.For the measuring principle of this mechanism, how to guarantee that the linear displacement transducer motion track is the difficult point that improves measuring accuracy with two ends revolution axial connecting line demarcation parallel or coincidence and initial position parameters.People generally adopt series-mode frame, on the corner adorn code-disc.Adopt ball line slideway slide block movement structure as guiding, linear displacement transducer only yet there are no report as the project organization of measuring components and parts.
Summary of the invention
Measure the measuring accuracy of rotation angle mechanism for improving four limit types in parallel, the purpose of this invention is to provide a kind of improvement structure of outer corner measurement mechanism, employing the present invention can be under the situation that guarantees kinematic accuracy, the simplified design structure of trying one's best.
The object of the present invention is achieved like this: comprise the linear displacement transducer that has moving chi, and guiding mechanism, axle, wherein: linear displacement transducer is three, every linear displacement transducer is installed on the guiding mechanism respectively by moving chi; Wherein the end of linear displacement transducer A is installed on the A axle, and the other end is installed on the C axle 14; The end of linear displacement transducer B is installed on the A axle 9 with the end of linear displacement transducer A, the other end is installed on the D axle, the end of linear displacement transducer C is installed on the B axle, the other end is installed on the C axle with the other end of linear displacement transducer A, three linear displacement transducers are upper and lower two-layer distributed architecture, and integral body is " N " font structure; A axle and B axle are located on the stiff end by revolute pair; The C axle is connected with tache motorice by revolute pair with the D axle;
Described guiding mechanism is by rail support plate, straight ball-guide, ball slider support plate, ball slide block and contiguous block are formed, the parallel installation of linear displacement transducer with straight ball-guide, moving chi is installed in respectively on the ball slide block, ball slide block and straight ball-guide are slidingly connected, straight ball-guide is installed on linear displacement transducer and the rail support plate, wherein two linear displacement transducers and rail support plate are coaxial, and it is coaxial with two blocks of ball slider support plates, that is: linear displacement transducer A, coaxial with linear displacement transducer C with rail support plate, and it is coaxial with two blocks of ball slider support plates at place, linear displacement transducer is connected three straight ball-guides respectively with rail support plate and ball slider support plate with four axles by revolute pair, the line at the axle center that the center line that the ball slide block is installed is used by two end supports respectively; The moving chi of described linear displacement transducer is connected by contiguous block with ball slider support plate.
The present invention has following advantage:
1. the present invention will measure components and parts and line of motion guide frame separately, improve measuring accuracy.
2. adopt the guide rail slide block structure to make that linear movement guide is simple in structure, precision is high.
3. bilevel project organization, coaxial design thought more help demarcating and improving precision.
4. simple in structure, more can be from processing the precision index that assurance takes measurement of an angle.
Description of drawings
Fig. 1 establishes wiring layout for structure of the present invention.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the A-A revolved view of Fig. 2.
Fig. 4 is the B-B revolved view of Fig. 2.
Embodiment
Below in conjunction with drawings and Examples the present invention is described in further detail.
As shown in Figure 1, the present invention is by comprising linear displacement transducer (the linear displacement transducer A10 that has moving chi 1, linear displacement transducer B11, linear displacement transducer C12), travel mechanism, axle, wherein: linear displacement transducer is three, every linear displacement transducer is installed in respectively in the travel mechanism by moving chi 1, and be specially: the end of linear displacement transducer A10 is installed on the A axle 9, and the other end is installed on the C axle 14; The end of linear displacement transducer B is installed on the A axle 9 with the end of linear displacement transducer A, the other end is installed on the D axle, the end of linear displacement transducer C12 is installed on the B axle 13, the other end is installed on the C axle 14 with the other end of linear displacement transducer A10, and three linear displacement transducers are " N " font structure; A axle 9 and B axle 13 are located on the stiff end 8 by revolute pair (bearing); C axle 14 is connected with tache motorice 5 by revolute pair (bearing) with D axle 16.
Described travel mechanism is by rail support plate 3, straight ball-guide 4, ball slider support plate 6, ball slide block 7 and contiguous block 15 are formed, linear displacement transducer and straight ball-guide 4 parallel installations, moving chi 1 is installed in respectively on the ball slide block 7, ball slide block 7 is slidingly connected with straight ball-guide 4, straight ball-guide 4 is installed on linear displacement transducer and the rail support plate 3, wherein two linear displacement transducers and rail support plate 3 are coaxial, and with 6 coaxial (that is: the linear displacement transducer A10 of two blocks of ball slider support plates, coaxial with linear displacement transducer C12 with rail support plate 3, and it is coaxial) with two blocks of ball slider support plates 6 at place, linear displacement transducer is connected with four axles by revolute pair (bearing) respectively with rail support plate 3 and ball slider support plate 6, three straight ball-guides, the line at the axle center that the center line that the ball slide block is installed is used by two end supports respectively, the moving chi 1 of linear displacement transducer is connected by contiguous block 15 with ball slider support plate 6.
The present invention adopts ball line slideway slide block movement structure as guiding, linear displacement transducer is only as measuring components and parts, wherein: three linear displacement transducers and three straight ball-guides 4 are supported by 3 linear displacement transducers and rail support plate 3 respectively, three blocks of slider support plates 6 support three slide blocks respectively, slide block slides on straight ball-guide 4, linear displacement transducer is connected with four axles by revolute pair (bearing) respectively with ball slider support plate 6 with rail support plate 3, and wherein two linear displacement transducers and rail support plate 3 are coaxial, two blocks of ball slider support plates 6 are coaxial, guide rail, the slide block center line is by the line at two end supports axle center, A axle 9 is connected with stiff end 8 by bearing with B axle 13 in the present embodiment, C axle 14 is connected with tache motorice 5 by bearing with D axle 16, three groups of linear displacement transducers, guide rail, slide block, back up pad is last, two-layer distributed architecture is the N font from perspective view down.
Clamp 2 is demarcated with (demarcating distance between the diaxon), is installed on two axles between the linear displacement transducer four axle cards three times when demarcating starting condition.
Principle of work of the present invention is:
Entire mechanism of the present invention has 3 degree of freedom, and promptly tache motorice 5 can be realized that bidimensional in the plane moves and rotate around the arbitrary axis of vertical plane; When tache motorice 5 rotates, because stiff end 8 is motionless, slide block moves relative to guide rail, the moving chi 1 of 3 linear displacement transducers is with moving as the ball slider support plate 6 relative to quiet chi, promptly the distance of two between centers changes, the distance that changes can directly be read by linear displacement transducer, and then the corner of tache motorice 5 relative regulation ends 8 can obtain (angle is asked on known leg-of-mutton limit) by correlation computations.
When tache motorice 5 rotates, because stiff end 8 is motionless, the revolute pair rotation at 3 linear displacement transducer two ends and moving chi and quiet chi relatively move, be that distance between the revolute pair at linear displacement transducer two ends changes, the distance that changes can directly be read by sensor, then can go out the rotational angle of tache motorice 5 relative fixed ends 8 by the distance calculation between two revolute pairs on the distance between the revolute pair at 3 displacement transducer two ends and tache motorice 5 and the stiff end 8.When tache motorice 5 relative fixed ends 8 were made the straight line bidimensional and moved, mobile displacement also can be calculated by above-mentioned length gauge.
Total design of the present invention can be tried out on the space articulation mechanism buffer test platform.
Claims (3)
1. improved outer corner measurement mechanism, it is characterized in that: comprise the linear displacement transducer that has moving chi (1), guiding mechanism, axle, wherein: linear displacement transducer is three, and every linear displacement transducer is installed on the guiding mechanism respectively by moving chi (1); Wherein the end of linear displacement transducer A (10) is installed on the A axle (9), and the other end is installed on the C axle (14); The end of linear displacement transducer B (11) is installed on the A axle (9) with the end of linear displacement transducer A (10), the other end is installed on the D axle (16), the end of linear displacement transducer C (12) is installed on the B axle (13), the other end is installed on the C axle (14) with the other end of linear displacement transducer A (10), three linear displacement transducers are upper and lower two-layer distributed architecture, and integral body is " N " font structure; A axle (9) and B axle (13) are located on the stiff end (8) by revolute pair; C axle (14) is connected with tache motorice (5) by revolute pair with D axle (16).
2. by the described improved outer corner measurement mechanism of claim 1, it is characterized in that: described guiding mechanism is by rail support plate (3), straight ball-guide (4), ball slider support plate (6), ball slide block (7) and contiguous block (15) are formed, linear displacement transducer and the parallel installation of straight ball-guide (4), moving chi (1) is installed in respectively on the ball slide block (7), ball slide block (7) is slidingly connected with straight ball-guide (4), straight ball-guide (4) is installed on linear displacement transducer and the rail support plate (3), wherein two linear displacement transducers and rail support plate (3) are coaxial, and it is coaxial with two blocks of ball slider support plates (6), that is: linear displacement transducer A (10), coaxial with linear displacement transducer C (12) with rail support plate (3), and it is coaxial with two blocks of ball slider support plates (6) at place, linear displacement transducer is connected three straight ball-guides respectively with rail support plate (3) and ball slider support plate (6) with four axles by revolute pair, the line at the axle center that the center line that the ball slide block is installed is used by two end supports respectively.
3. by the described improved outer corner measurement mechanism of claim 2, it is characterized in that: the moving chi (1) of described linear displacement transducer is connected by contiguous block (15) with ball slider support plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100503558A CN100337086C (en) | 2004-09-01 | 2004-09-01 | Improved corner measuring mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100503558A CN100337086C (en) | 2004-09-01 | 2004-09-01 | Improved corner measuring mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1743790A CN1743790A (en) | 2006-03-08 |
| CN100337086C true CN100337086C (en) | 2007-09-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100503558A Expired - Fee Related CN100337086C (en) | 2004-09-01 | 2004-09-01 | Improved corner measuring mechanism |
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| Country | Link |
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| CN (1) | CN100337086C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305605A (en) * | 2011-08-15 | 2012-01-04 | 长沙中联重工科技发展股份有限公司 | Method and device for measuring spreading angle of engineering mechanical spreading component |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4567667A (en) * | 1984-01-24 | 1986-02-04 | Honda Giken Kogyo Kabushikikaisha | Method and apparatus for measuring the inclination of the wheels of an automobile |
| CN87209824U (en) * | 1987-07-01 | 1988-04-06 | 哈尔滨市船舶工程学院 | Location and angle measuring device for probe of ultrasonic cardio meter |
| US5616917A (en) * | 1995-05-16 | 1997-04-01 | Brown & Sharpe Manufacturing Company | Device for measuring an angle between pivotally-connected members |
| JP2001280958A (en) * | 2000-03-31 | 2001-10-10 | Hitachi Plant Eng & Constr Co Ltd | Structure positioning method and displacement measuring device |
| CN2716801Y (en) * | 2004-09-01 | 2005-08-10 | 中国科学院沈阳自动化研究所 | Structure of corner measuring mechanism |
-
2004
- 2004-09-01 CN CNB2004100503558A patent/CN100337086C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4567667A (en) * | 1984-01-24 | 1986-02-04 | Honda Giken Kogyo Kabushikikaisha | Method and apparatus for measuring the inclination of the wheels of an automobile |
| CN87209824U (en) * | 1987-07-01 | 1988-04-06 | 哈尔滨市船舶工程学院 | Location and angle measuring device for probe of ultrasonic cardio meter |
| US5616917A (en) * | 1995-05-16 | 1997-04-01 | Brown & Sharpe Manufacturing Company | Device for measuring an angle between pivotally-connected members |
| JP2001280958A (en) * | 2000-03-31 | 2001-10-10 | Hitachi Plant Eng & Constr Co Ltd | Structure positioning method and displacement measuring device |
| CN2716801Y (en) * | 2004-09-01 | 2005-08-10 | 中国科学院沈阳自动化研究所 | Structure of corner measuring mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1743790A (en) | 2006-03-08 |
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Granted publication date: 20070912 Termination date: 20091009 |