CN108413877B - Horizontal shaft fine adjustment device for laser tracking measurement system - Google Patents
Horizontal shaft fine adjustment device for laser tracking measurement system Download PDFInfo
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- CN108413877B CN108413877B CN201810138006.3A CN201810138006A CN108413877B CN 108413877 B CN108413877 B CN 108413877B CN 201810138006 A CN201810138006 A CN 201810138006A CN 108413877 B CN108413877 B CN 108413877B
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- trunnion axis
- support plate
- bottom plate
- guide rod
- horizontal
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/026—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring distance between sensor and object
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Abstract
The invention discloses a horizontal shaft fine adjustment device for a laser tracking measurement system, and belongs to the field of laser measurement. The horizontal axis vernier device mainly comprises three parts. Firstly, a micro-motion part in the front-back direction of the horizontal plane realizes the front-back micro-motion of most structures including the supporting plate by rotating the horizontal axis horizontal direction adjusting mechanism II. And secondly, the part with the guiding function is a bottom plate, and the relative position of the bottom plate to the whole laser tracking and measuring system is unchanged in the fine adjustment process. And thirdly, the horizontal state balance adjusting part of the supporting plate mainly comprises a set screw, a cylindrical pin and a spring. The device is based on a fine adjustment device in a laser tracking measurement system with unchanged relative position of a standard ball, and the intersection of a horizontal shaft and a vertical shaft is realized by adjusting the fine adjustment of the front and back of a horizontal rotary axis. The micro-motion of the pitching axis in the front-back direction of the horizontal plane is realized through the horizontal axis fine-tuning device, and the measurement precision of the laser tracking measurement system is improved.
Description
Technical field
The present invention relates to a kind of laser measurement field, in particular to a kind of trunnion axis for laser tracking measurement system is micro-
Adjust device.
Background technique
Laser interferometer is currently the highest utility of large range displacement measurement accuracy in the world, with the tracking of multiple laser
Flexible coordinate measuring system based on interferometric measuring means avoids the limitation that traditional coordinate measuring machine uses precise guide rail, quilt
It is considered most potential, the tool of a wide range of, high-precision, non-contact, dynamic, live real-time measurement, its application at present is
Different optical paths is built when being extended to every field in industry, but measured to different errors, especially right
When numerically-controlled machine tool and coordinate measuring machine are calibrated, every error is measured using laser interferometer detection cycle
Long, measurement efficiency is low, therefore efficient, convenient, and be exclusively used in the laser that numerically-controlled machine tool and coordinate measuring machine are calibrated with
Track measuring system is come into being.
Laser tracking measurement technology is grown up in robot metering field earliest, is primarily used to solution machine at that time
The problem of device people demarcates, laser tracking measurement is a kind of none guidance measurement, while laser tracker is dry in traditional commerce laser
It joined tracking mirror mechanism on the basis of interferometer, the moving target in space, and real-time measurement moving target can be tracked
With the variable quantity of tracking mirror centre distance.Tracking mirror mechanism is controlled by positional servosystem, can in real time dynamic with
Track extraterrestrial target point, sky can be projected laser beam by the tracking mirror of static measurement to dynamic tracking measurement by realizing
Between any point, to realize the transformation measured by one-dimensional line measurement to 3 d space coordinate, also achieve it is three-dimensional in real time
Dynamic tracking measurement.
Laser tracker is a kind of high-precision Large-scale Measuring Instruments in field of industrial measurement.Big with measurement space,
The features such as measurement efficiency is high, measurement accuracy is high, easy to operate, is similar to portable three-coordinate measuring machine, and be widely used in ship
The fields such as oceangoing ship manufacture, automobile manufacture, aircraft manufacture.Laser tracking measurement system is mainly by can be realized the two dimension automatically tracked
Swing mechanism and interference length-measuring system composition.And in every geometric error of laser tracking measurement system mechanical structure, space
Rotary axis system antarafacial error influences the measurement accuracy of laser tracking measurement system very big.Therefore, trunnion axis is before and after horizontal plane
Stable movement helps to improve the measurement accuracy of laser tracking measurement system on direction.
Summary of the invention
It is an object of the invention to realize the horizontal rotation axis of laser tracking measurement system and the intersection of vertical axis of rotation line,
Provide a kind of trunnion axis micromatic setting for laser tracking measurement system.The device is based on a kind of standard ball relative position
Trunnion axis is realized in micromatic setting in immovable laser tracking measurement system, the front and back fine tuning by adjusting horizontal rotation axis
Intersect with vertical axis.
The technical solution adopted by the present invention is that a kind of trunnion axis micromatic setting for laser tracking measurement system, the level
Axis micromatic setting includes gasket 1, support plate 2, holding screw 3, straight pin 4, dovetail groove 5, guide rod 6, bottom plate 7, trunnion axis level
Direction adjustment organization 1, trunnion axis horizontal direction adjustment mechanism 29, U-shaped guide rod 10, V-groove 11, waist type groove 12, spring 13,
Connecting plate 14 and bolt 15.
The trunnion axis micromatic setting mainly includes three parts.First, the fine motion part on horizontal plane front-rear direction passes through
Rotate most of structure front and back fine motion including the realization support plate 2 of trunnion axis horizontal direction adjustment mechanism 29.Second, play guiding
The part of effect, the part primary structure of guiding role are bottom plate 7, and bottom plate 7 tracks entire laser in trim process and surveys
The relative position of amount system is constant.Third, support plate horizontality balance adjustment part mainly include holding screw 3, straight pin
4 and spring 13.
As shown in figure 4, trunnion axis horizontal direction adjustment mechanism 29, which threadably screws in trunnion axis horizontal direction, adjusts machine
In the fine thread hole of one 8 bottom of structure, trunnion axis horizontal direction adjustment mechanism 1 is connected by screw in 2 side of support plate
Between.Trunnion axis horizontal direction adjustment mechanism 1 can be led with the rotational angle of trunnion axis horizontal direction adjustment mechanism 29 as corresponding
Journey is converted to linear motion, to drive the front and back fine motion of entire support plate 2.
As shown in figure 5, being equipped with through-hole in gasket 1 and support plate 2, connection bolt passes through the through-hole of gasket 1 and support plate 2
It is then threaded into the threaded hole of guide rod 6, guide rod 6 and support plate 2 is tightened together.As shown in Fig. 1, Fig. 6,10 liang of U-shaped guide rod
Side is fixed by screws in support plate 2, and U-shaped guide rod 10 and bottom plate 7 are all equipped with through-hole, and bolt 15 screws in connecting plate through through-hole
In threaded hole on 14, U-shaped guide rod 10, bottom plate 7 and connecting plate 14 are clamped, realize the fastening of U-shaped guide rod 10 and bottom plate 7,
And the connection of support plate 2 and bottom plate 7.In trim process, in order to avoid support plate 2 occurs partially on horizontal plane left and right directions
Pendulum is provided with V-groove 11 in 7 upper surface one end of bottom plate, limits beat of the guide rod 6 on horizontal plane left and right directions, table on bottom plate 7
The intermediate setting in face is fluted, and groove is matched with U-shaped guide rod 10, and groove limits the beat of U-shaped guide rod 10；7 lower surface of bottom plate
Be provided with waist type groove, waist type groove is matched with connecting plate 14, and waist type groove limits the beat of connecting plate 14, V-groove 11, groove and
Waist type groove play the guiding role, and realizes fine motion of the trunnion axis on horizontal plane front-rear direction, avoids shifting in the other direction
It is dynamic.
As shown in Figure 1, Figure 7 shows, holding screw 3 withstands on the upper table of bottom plate 7 by way of being threaded into or screwing out support plate 2
Face, holding screw 3 are withstood on by way of being threaded into or screwing out bottom plate 7 on the steel gasket of the lower surface of support plate 2.Such as figure
1, shown in Fig. 2, Fig. 3, upper and lower two pairs of straight pins 4 are stuck in waist-shaped hole, and every a pair of straight pin 4 is connected by spring 13, will be supported
Plate 2 is tensed with bottom plate 7, and when adjusting the horizontal position of support plate 2, making support plate 2, the moment is in balance in the horizontal plane,
Keep stable state.
Standard ball 17 is fixed at the top of vertical bar, and vertical bar bottom passes through support plate 2 and the through-hole of bottom plate 7 is connected to bottom
Other structures (are not drawn into) in figure, and standard ball 17 and vertical bar are not involved in trunnion axis fine tuning, and with trunnion axis micromatic setting without
Any connection.Bearing block 16 is mounted in support plate 2 by screw, and horizontal shaft electric machine 19 is mounted on horizontal shaft electric machine bracket 18
On, horizontal shaft electric machine bracket 18 is mounted in support plate 2 by screw, and bearing block 16 and horizontal shaft electric machine bracket 18 are arranged symmetrically
In the two sides of standard ball 17；Trunnion axis is constituted between bearing block 16 and horizontal shaft electric machine bracket 18；Standard ball 17 and vertical bar structure
At vertical axis and trunnion axis quadrature arrangement.
Trunnion axis horizontal direction adjustment mechanism 1 is T shape component, in the bottom of trunnion axis horizontal direction adjustment mechanism 1
Between be provided with threaded hole.
Trunnion axis horizontal direction adjustment mechanism 29 is screw rod, and trunnion axis horizontal direction adjustment mechanism 29 and trunnion axis are horizontal
The mode that direction adjustment organization 1 is connected through a screw thread is fixed.
Support plate 2 is made of aluminum, and aluminum material hardness is low, not wear-resisting, so trunnion axis horizontal direction adjustment mechanism 29 cannot
Directly threadedly connect with support plate 2, need by the transition piece trunnion axis horizontal direction adjustment mechanism 1 of steel come
Connection.
Guide rod 6, bottom plate 7 and U-shaped guide rod 10 are made of steel, before and after guaranteeing guide rod 6 and U-shaped guide rod 10 on bottom plate 7
When fine motion, there is enough abrasion strength resistances.
Detailed description of the invention
Fig. 1 is trunnion axis micromatic setting overall structure diagram.
Fig. 2 is plate upper surface structural schematic diagram.
Fig. 3 is lower surface of base plate structural schematic diagram.
Fig. 4 is the structural representation that trunnion axis horizontal direction adjustment mechanism one is connect with trunnion axis horizontal direction adjustment mechanism two
Figure.
Fig. 5 is the structural schematic diagram of gasket, support plate and guide rod connection.
Fig. 6 is the structural schematic diagram of U-shaped guide rod, bottom plate and connecting plate connection.
Fig. 7 is the structural schematic diagram that holding screw is adjusted.
Marked in the figure: 1- gasket, 2- support plate, 3- holding screw, 4- straight pin, 5- dovetail groove, 6- guide rod, 7- bottom plate,
8- trunnion axis horizontal direction adjustment mechanism one, 9- trunnion axis horizontal direction adjustment mechanism two, 10-U type guide rod, 11-V type groove, 12-
Waist type groove, 13- spring, 14- connecting plate, 15- bolt, 16- bearing block, 17- standard ball, 18- horizontal shaft electric machine bracket, 19- water
Flat spindle motor.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is described in further detail.But this should not be interpreted as in the present invention
The range for stating theme is only limitted to the following embodiments and the accompanying drawings, all that model of the invention is belonged to based on the technology that the content of present invention is realized
It encloses.
As shown in Figure 1, Figure 2 and Figure 4, trunnion axis horizontal direction adjustment mechanism 29 is placed in waist type groove 12, makes trunnion axis
Horizontal direction adjustment mechanism 29 is fixed relative to bottom plate 7, is revolved trunnion axis horizontal direction adjustment mechanism 29 by screw thread
Enter in trunnion axis horizontal direction adjustment mechanism 1, trunnion axis horizontal direction adjustment mechanism 1 is fixed by screw and support plate 2
Connection.The principle of trunnion axis fine tuning is similar with lead screw transmission principle, and trunnion axis horizontal direction adjustment mechanism 29 is used as active body,
It immobilizes due to being placed on its position in waist type groove 12, trunnion axis horizontal direction adjustment mechanism 1 can be with trunnion axis level side
It is converted to linear motion by corresponding lead to the rotational angle of regulating mechanism 29, to drive the front and back of entire support plate 2 micro-
It is dynamic.
As shown in Figure 1, Figure 2, shown in Fig. 4, Fig. 5, gasket 1 is equipped with through-hole, is also equipped with through-hole in the dovetail groove 5 in support plate 2, will
Bolt screws in the threaded hole on guide rod 6 through gasket 1 and the through-hole of support plate 2, rotates bolt, generates clamping between component
Power makes support plate 2 tighten together with guide rod 6.
As shown in figure 1, figure 2, figure 3 and figure 6, U-shaped guide rod two sides are screwed in support plate 2, U-shaped guide rod 10 and bottom
Through-hole is all equipped on plate 7, bolt 15 screws in the threaded hole on connecting plate 14 through through-hole, rotates bolt 15, U-shaped guide rod, bottom
Clamping force is generated between plate 7 and connecting plate 14, realizes the fastening of U-shaped guide rod 10 and bottom plate 7.U-shaped guide rod is real as intermediate member
The connection of support plate 2 and bottom plate 7 is showed.In addition, there are surpluses for bottom plate 7 and the through-hole of U-shaped 10 coupling part of guide rod, bolt 15 can
With front and back fine motion wherein, to realize the front and back fine tuning of the components such as support plate 2.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 7, the position of upper and lower two holding screws 3 is relative to horizontal axial symmetry, clamp screw
Nail 3 screws out support plate 2 by being threaded into, and withstands on 7 upper surface of bottom plate, equally, holding screw 3 is by being threaded into back-out bottom plate
7, it withstands on the steel gasket of 2 lower surface of support plate.The horizontal position of support plate 2 is adjusted by this structure.2 material of support plate
It is aluminum component, aluminum material hardness is low, and not wear-resisting, holding screw 3 directly withstands on its surface and is easy to produce abrasion, so in support plate 2
There is rectangular channel in the screw corresponding position of lower surface, and inside, which is placed with steel gasket, prevents the directly contact aluminum support plate 2 of holding screw 3.
Upper and lower two pairs of straight pins 4 are stuck in waist-shaped hole, and every a pair of straight pin 4 is connected by spring 13, and the upper and lower two boards period of the day from 11 p.m. to 1 a.m is carved and is drawn
Tightly, adjust support plate 2 horizontal position when, make it in the horizontal plane the moment be in balance, keep its stable state.
As shown in Figure 1, Figure 2, Figure 3 shows, rotation trunnion axis horizontal direction adjustment mechanism 29 makes support plate 2 before and after horizontal plane
Direction fine motion, support plate 2 are easy that beat occurs on horizontal plane left and right directions, and therefore, the V-groove 11 of 7 upper surface of bottom plate, which rises, leads
To effect, the beat of guide rod 6 in the horizontal plane is limited, equally, the regular troughs of 7 upper surface of bottom plate also play the guiding role, limitation
The beat of U-shaped guide rod 10, the waist type groove of 7 lower surface of bottom plate also limit the beat of connecting plate 14, play the guiding role, realize
Fine motion of the trunnion axis on horizontal plane front-rear direction, avoids movement in the other direction.
In the adjustment process of trunnion axis micromatic setting, kept not relative to laser tracking measurement system rotary axis system position
The structure of change only has bottom plate 7 and trunnion axis horizontal direction adjustment mechanism 29, and fine motion may be implemented on horizontal plane front-rear direction
Structure have support plate 2, gasket 1, guide rod 6, trunnion axis horizontal direction adjustment mechanism 1, U-shaped guide rod 10, connecting plate 14.
Pitch axis may be implemented in level by using a kind of trunnion axis micromatic setting for laser tracking measurement system
Fine motion in rear direction in front effectively raises the measurement accuracy of laser tracking measurement system.
To the above description of disclosed case study on implementation, enable those skilled in the art to implement or use the present invention,
A variety of modifications to the implementation case are obvious for those skilled in the art.As defined herein one
As principle can be embodied in other case study on implementation without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to case study on implementation shown in this article, it is required that meeting principles disclosed herein and novel features phase one
The widest scope of cause.
Claims (4)
1. a kind of trunnion axis micromatic setting for laser tracking measurement system, it is characterised in that: the trunnion axis micromatic setting packet
Include gasket (1), support plate (2), holding screw (3), straight pin (4), dovetail groove (5), guide rod (6), bottom plate (7), trunnion axis water
Flat direction adjustment organization one (8), trunnion axis horizontal direction adjustment mechanism two (9), U-shaped guide rod (10), V-groove (11), waist type groove
(12), spring (13), connecting plate (14) and bolt (15)；
The trunnion axis micromatic setting mainly includes three parts；First, the fine motion part on horizontal plane front-rear direction passes through rotation
Trunnion axis horizontal direction adjustment mechanism two (9) realizes the structure front and back fine motion of support plate (2)；Second, the part playing the guiding role,
The part primary structure of guiding role is bottom plate (7), and bottom plate (7) is in trim process for entire laser tracking measurement system
Relative position is constant；Third, support plate horizontality balance adjustment part, mainly include holding screw (3), straight pin (4) and
Spring (13)；
Trunnion axis horizontal direction adjustment mechanism two (9) threadably screws in trunnion axis horizontal direction adjustment mechanism one (8) bottom
Fine thread hole in, trunnion axis horizontal direction adjustment mechanism one (8) is connected by screw among support plate (2) side；Water
Flat axis horizontal direction adjustment mechanism one (8) can be led with the rotational angle of trunnion axis horizontal direction adjustment mechanism two (9) as corresponding
Journey is converted to linear motion, to drive the front and back fine motion of entire support plate (2)；
Through-hole is equipped on gasket (1) and support plate (2), connection bolt passes through gasket (1) and the through-hole of support plate (2) then revolves
In the threaded hole for entering guide rod (6), guide rod (6) and support plate (2) are tightened together；U-shaped guide rod (10) two sides are solid by screw
It is scheduled on support plate (2), U-shaped guide rod (10) and bottom plate (7) are all equipped with through-hole, and bolt (15) screws in connecting plate (14) through through-hole
On threaded hole in, by U-shaped guide rod (10), bottom plate (7) and connecting plate (14) clamp, realize U-shaped guide rod (10) and bottom plate (7)
Fastening and support plate (2) and bottom plate (7) connection；In trim process, in order to avoid support plate (2) is on a horizontal plane left side
Beat occurs in right direction, is provided with V-groove (11) in bottom plate (7) upper surface one end, limits guide rod (6) in horizontal plane right and left
The intermediate setting of upward beat, bottom plate (7) upper surface is fluted, and groove is matched with U-shaped guide rod (10), and groove limitation is U-shaped
The beat of guide rod (10)；Bottom plate (7) lower surface is provided with waist type groove, and waist type groove is matched with connecting plate (14), the limitation of waist type groove
The beat of connecting plate (14), V-groove (11), groove and waist type groove play the guiding role, and realize trunnion axis before horizontal plane
Fine motion in rear direction avoids movement in the other direction；
One group of holding screw (3) withstands on the upper surface of bottom plate (7) by way of being threaded into or screwing out support plate (2), another
Group holding screw (3) withstands on the steel gasket of the lower surface of support plate (2) by way of being threaded into or screwing out bottom plate (7)
On；Upper and lower two pairs of straight pins (4) are stuck in waist-shaped hole, and every a pair of straight pin (4) is connected by spring (13), by support plate (2)
It is tensed with bottom plate (7), when adjusting the horizontal position of support plate (2), making support plate (2), the moment is in flat in the horizontal plane
Weighing apparatus keeps stable state；
Standard ball (17) is fixed at the top of vertical bar, and vertical bar bottom passes through support plate (2) and the through-hole of bottom plate (7) is connected to bottom
Portion's other structures, standard ball (17) and vertical bar are not involved in trunnion axis fine tuning, and with trunnion axis micromatic setting without any connection；
Bearing block (16) is mounted on support plate (2) by screw, and horizontal shaft electric machine (19) is mounted on horizontal shaft electric machine bracket (18),
Horizontal shaft electric machine bracket (18) is mounted on support plate (2) by screw, and bearing block (16) and horizontal shaft electric machine bracket (18) are right
Claim the two sides for being arranged in standard ball (17)；Trunnion axis is constituted between bearing block (16) and horizontal shaft electric machine bracket (18)；Standard ball
(17) vertical axis and trunnion axis quadrature arrangement constituted with vertical bar.
2. a kind of trunnion axis micromatic setting for laser tracking measurement system according to claim 1, it is characterised in that:
Trunnion axis horizontal direction adjustment mechanism one (8) is T shape component, is opened among the bottom of trunnion axis horizontal direction adjustment mechanism one (8)
There is threaded hole；
Trunnion axis horizontal direction adjustment mechanism two (9) is screw rod, and trunnion axis horizontal direction adjustment mechanism two (9) and trunnion axis are horizontal
The mode that direction adjustment organization one (8) is connected through a screw thread is fixed.
3. a kind of trunnion axis micromatic setting for laser tracking measurement system according to claim 1, it is characterised in that:
Support plate (2) is made of aluminum.
4. a kind of trunnion axis micromatic setting for laser tracking measurement system according to claim 1, it is characterised in that:
Guide rod (6), bottom plate (7) and U-shaped guide rod (10) are made of steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810138006.3A CN108413877B (en) | 2018-02-10 | 2018-02-10 | Horizontal shaft fine adjustment device for laser tracking measurement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810138006.3A CN108413877B (en) | 2018-02-10 | 2018-02-10 | Horizontal shaft fine adjustment device for laser tracking measurement system |
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| CN108413877A CN108413877A (en) | 2018-08-17 |
| CN108413877B true CN108413877B (en) | 2019-07-26 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186373B (en) * | 2019-05-29 | 2020-11-20 | 北京工业大学 | Laser tracking measurement system with counterweight balance and standard ball as reflection device |
| CN111189390B (en) * | 2020-01-09 | 2021-08-10 | 陕西科技大学 | Machine tool geometric error measuring device based on laser interference principle |
| CN112484672B (en) * | 2020-11-17 | 2022-04-19 | 西安飞机工业（集团）有限责任公司 | Device and method for quickly measuring axial plane of stringer of composite wallboard |
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| JP5248825B2 (en) * | 2007-09-06 | 2013-07-31 | 株式会社ディスコ | Device for detecting the height position of the workpiece held on the chuck table |
| CN102654389A (en) * | 2011-11-25 | 2012-09-05 | 吴江市博众精工科技有限公司 | X-axis mechanism adjusting module |
| CN103697818B (en) * | 2013-12-12 | 2016-07-27 | 中国科学院长春光学精密机械与物理研究所 | Calibration device of micro-displacement sensor based on single-freedom and flexible fine motion guiding mechanism |
| CN204255317U (en) * | 2014-11-05 | 2015-04-08 | 沈阳黎明航空发动机(集团)有限责任公司 | A kind of chuck clamps of fine-tuning angle and adopt the cylindricity instrument of this fixture |
| CN105737734B (en) * | 2016-02-23 | 2018-08-07 | 北京工业大学 | It is a kind of using standard ball as the laser tracking measurement system of reflection unit |
| CN206772256U (en) * | 2017-06-02 | 2017-12-19 | 上海宏旭模具工业有限公司 | The lateral fine-adjustment positioning mechanism of cubing |
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Effective date of registration: 20220426 Address after: Room 147, 1f, No. 1, nanchun Road, cuigezhuang Township, Chaoyang District, Beijing 100015 Patentee after: BEIJING ABLEWAY TECHNOLOGY CO.,LTD. Address before: 100124 No. 100 Chaoyang District Ping Tian Park, Beijing Patentee before: Beijing University of Technology |
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