CN102032920B - Device and method for calibrating plumb aligner - Google Patents
Device and method for calibrating plumb aligner Download PDFInfo
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- CN102032920B CN102032920B CN201010539476A CN201010539476A CN102032920B CN 102032920 B CN102032920 B CN 102032920B CN 201010539476 A CN201010539476 A CN 201010539476A CN 201010539476 A CN201010539476 A CN 201010539476A CN 102032920 B CN102032920 B CN 102032920B
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Abstract
The invention discloses a device for calibrating a plumb aligner. An upright column is provided with a plumb aligner holding cabin and an operating platform which are connected with a laser mirror cabin through a supporting column; the laser mirror cabin is connected with a fine adjusting cabin through a supporting column; the fine adjusting cabin is provided with a rough adjusting head; and the rough adjusting head is provided with a plurality of rough adjusting bolts. The invention provides the device and a method for calibrating the plumb aligner, which are used for calibrating a sight axis and a laser optical axis by taking a vertical axis and a zenith/nadir sighting mark (or remote fixed sighting mark) of the plumb aligner calibrated by a water level as dynamic bench marks. In the calibration process, the calibrated plumb aligner always keeps the leveling state during use, the target seeking task is completely finished by the zenith/nadir sighting mark, and therefore, the influence of included target seeking of the plumb aligner in the traditional method on the indeterminacy of a calibration result is greatly reduced. In addition, fewer adjustment times, shorter adjustment time, higher correction precision and more convenience for operation are realized.
Description
Technical field
The present invention relates to plumb aligner calibration field, particularly a kind of device and method of calibrating plumb aligner.
Background technology
The standard set-up that discloses a kind of indoor calibration plumb aligner in special laser technology development corporation, Ltd. website (www.latchina.com) draws in the Daliang City, and its constructive method is to crouch each functional part of calibrating installation to be placed on the workbench with piecing together brick pattern.Its optical plumbing appearance calibration is a zenith nadir infinity target with the parallel light tube; The laser plummet calibration adds the photoelectric figure receiving target with a plurality of reflective mirrors and realizes the limited distance calibration.This device ray machine zooming quaternity, the calibration project is exhaustive.
Weak point is: be calibrated optical plumbing appearance and parallel light tube not in the pedal line direction, depart from the plumb aligner user mode, and must bring transformed error with optical elements such as the pentagonal prism optical axis of turning back, this be thereafter the photoelectric figure system can not proofread and correct.Next is to be calibrated (optical/laser) plumb aligner and zenith/first laser mirror of end direction all is to be placed on the mechanical cantilever girder construction, and this cantilever design causes the stability of element not enough, influences calibration accuracy.And both are connected again on the double-deck adjustable triangular worktable, cause thus that this calibrating installation uncertain factor is many, system stability is not enough, though the higher calibration uncertainty of transient measurement precision is big.This shows that this apparatus function design primary and secondary is unbalance, emphasis is not outstanding.
In addition, the calibrator can not do wholecircle revolution observation around being calibrated plumb aligner, and operation has limitation.
The device of 4 kinds of indoor calibration plumb aligners is disclosed in the north of the Changjiang River, Ningbo City success photoelectric instrument manufacturing plant website (www.nbchenggongguangdian.com.cn); But they all are parts that is attached to two pipes, three pipes, eight pipes and ten pipes " geodetic instrument angle check correction station "; Not the independent and perfect device, belong to the compatible type device.
Though they have the zenith and the ground point calibration function of optical plumbing appearance, do not have the nadir calibration function, and scarce laser plummet calibration function.Its zenith mira (parallel light tube) does not possess three-dimensional random adjustment function after installing.The master side of this device (host) is the zenith mira, and visitor side (visitor) is calibrated plumb aligner, and promptly the zenith mira can't be adjusted.To a conical surface theory, objective square neck this moment tiltedly caters to the calibration that master side does not hinder simple type, plain edition plumb aligner yet according to optical plumb, and obvious, this calibrating installation is not suitable for the calibration of self leveling type and accurate plumb aligner.
Summary of the invention
Technical matters to be solved by this invention provides a kind of device and method of calibrating plumb aligner; Can overcome when plumb aligner is calibrated in the prior art and depart from user mode, primary and secondary is unbalance, and system stability is not enough; The deficiency of inconvenient operation, the operator can calibrate plumb aligner comfortable, easily.
For solving the problems of the technologies described above; The technical scheme that the present invention adopted is: a kind of device of calibrating plumb aligner; The column upper surface is provided with plumb aligner and settles cabin and operating platform, and plumb aligner settles the cabin to be connected with the laser mirror cabin through pillar with operating platform, and the laser mirror cabin is connected through the whole cabin of pillar and accurate adjustment; Accurate adjustment is provided with the accurate adjustment engagement positions that is used for the adjustment of zenith mira three-dimensional random in the whole cabin, and the whole cabin of accurate adjustment is provided with the coarse regulation head;
Column, plumb aligner settle cabin and the whole cabin of operating platform, laser mirror cabin and accurate adjustment all to be provided with the through hole that can supply light to pass through;
Described coarse regulation head is provided with a plurality of coarse adjustment screws, the upper and lower of corresponding respectively adjustment zenith mira, thereby the three-dimensional position of control zenith mira.
Described column lower end is provided with ground point mira cabin and is reserved with nadir mira accommodation space.
Described column is settled between cabin and the operating platform with plumb aligner and is become the cone structure, and is provided with symmetrical two-sided para-curve opening in its both sides.
Described plumb aligner settles the plumb aligner in cabin and the operating platform to settle around the ceiling board and operating platform base plate symmetria bilateralis direction is equipped with sector notch.
The whole Ceiling of accurate adjustment in the whole cabin of described accurate adjustment is triangular in shape.
Described plumb aligner settles the cabin to be connected with the laser mirror cabin through four pillars with operating platform.
The pillar in the whole cabin of described laser mirror cabin and accurate adjustment is three.
A kind of method that adopts above-mentioned device calibration plumb aligner may further comprise the steps:
1) accurately leveling is calibrated plumb aligner;
2) adjustment zenith mira makes its graticule center of reticule overlap with the graticule center of reticule of plumb aligner sighting telescope;
3) make plumb aligner Rotate 180 °, if above-mentioned two graticule centers still overlap, the then right alignment of plumb aligner collimation axis and vertical pivot calibration order ground realization; If do not overlap,,, two centers are overlapped once more with 1/2 of zenith mira adjustment residual deviation with 1/2 of the telescopical graticule adjustment of plumb aligner deviation;
4) make plumb aligner continue Rotate 180 °, if above-mentioned two graticule centers still overlap, the then right alignment of collimation axis and vertical pivot calibration order ground realization; If registration is not good enough, repeating step 2) and step 3), when plumb aligner rotated 360 °, two graticule centers still overlapped;
Through above-mentioned calibration steps, the collimation axis and the vertical pivot of plumb aligner reach coincidence status.
When adjustment zenith mira, at first use the coarse adjustment screw roughly to point, realize 2 coincidences with the accurate adjustment engagement positions then.
Optimize; Further comprising the steps of: that laser mirror is placed in the laser mirror cabin; Second catoptron is placed on the distance first reflective mirror appropriate location, the laser pick-off screen is placed on the distance second catoptron appropriate location, plumb aligner is apart from the calibrated distance＞10m of laser pick-off screen.
A kind of device and method of calibrating plumb aligner provided by the invention is that plumb aligner vertical pivot and the zenith/end mira (or distant fixation mira) after calibrating with level is dynamic benchmark, calibration collimation axis and laser beam axis.Present technique scheme difference with the prior art is to have introduced " host and guest side " notion and apparatus main body and is tower structure independently; The plumb aligner that is installed in the tower structure is master side; Sight and be designated as visitor side at zenith/end, has embodied a kind of brand-new plumb aligner calibration steps.The plumb aligner of particular design is settled cabin and operating platform base plate, makes the operator do any direction revolution around being calibrated plumb aligner; Height regardless of different kinds of the plumb aligner, the operator can both adapt to the requirement of its optics emergent pupil distance, inspects conveniently.
This device is calibrated plumb aligner and only is responsible for accurately flattening by user mode because introduced " host and guest side " method and the tower structure of self, sights the centering task each other and is just accomplished by " zenith mira+precision adjustment unit ".The operator can be when seeing telescope ocular, and easily the comfortable zenith mira of adjusting is accurately accomplished " 2 coincidences " task easily.Because the 220kg that weighs certainly of apparatus of the present invention main body; Plumb aligner itself does not have additional rotation when doing the diameter rotation; The zenith mira unusual fluctuation can not occur yet; The malalignment of collimation axis and vertical pivot is easy to be stripped from out exactly, so even new hand is on duty, the round bout of calibrating successfully is also less.
Secondly, be calibrated plumb aligner and need not sacrifice levelness and go to tilt to cater to the zenith mira, thereby got rid of the uncertainty component in the calibration result that the plumb aligner vertical pivot tilts to bring.The minimum calibration accuracy of zenith mira is 1/1000000; The highest plumb aligner of internationally recognized vertical degree of accuracy is 1/200000 optical plumbing appearance; The minimum calibration accuracy of this device is 5 times of the highest plumb aligner of degree of accuracy in other words, has enough degree of accuracy surpluses.The tower structure of apparatus of the present invention avoided mechanical cantilever beam labile factor, avoided introducing pentagonal prism optical parallel poor, thereby this device actual alignment uncertainty is superior to prior art.
When it should be noted that with this device and this method calibration plumb aligner, " host and guest side " calibration method that produces because of the device innovation is compared with the method for traditional adjustment plumb aligner foot screw, more accurately, fast, is a kind of brand-new calibration method.
This device also can be calibrated counter point device under optics and/or the laser of geodetic instruments such as transit, total powerstation, prism table.This device can also install " visitor side " nadir mira easily additional.
Apparatus and method of the present invention are calibrated plumb aligner and are remaining the leveling state when using in calibration process, and this is for self leveling type optical plumbing appearance particular importance.Simultaneously, vertical is not to the influence of calibration result to have significantly reduced in the classic method plumb aligner vertical pivot, and zenith/end mira and plumb aligner all are centered around on the pedal line of a common reproduction and calibrate, and both droop errors compared with prior art greatly reduce significantly.In addition, the number of times of adjustment still less, the time is shorter, calibration accuracy is higher, and is more convenient to operate.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is described further:
Fig. 1 is the structural representation of apparatus main body of the present invention.
Fig. 2 is the A-A cut-open view of Fig. 1.
Fig. 3 is the B-B cut-open view of Fig. 1.
Embodiment
In Fig. 1; A kind of device of calibrating plumb aligner, column 1 are provided with plumb aligner and settle cabin and operating platform 2, and plumb aligner settles the cabin to be connected with laser mirror cabin 5 through pillar 3 with operating platform 2; Laser mirror cabin 5 is connected through the whole cabin 7 of pillar and accurate adjustment, and accurate adjustment is put in order cabin 7 and is provided with coarse regulation 9; Column 1, plumb aligner settle cabin and the whole cabin 7 of operating platform 2, laser mirror cabin 5 and accurate adjustment all to be provided with the through hole that can supply light to pass through;
Described column 1 lower end is provided with ground point mira cabin 12 and is reserved with nadir mira accommodation space.Described column 1 is settled between cabin and the operating platform 2 with plumb aligner and is become the cone structure, and is provided with symmetrical two-sided para-curve opening in both sides.Column 1 adopts fixed thin-walled hollow structure, highly is 1.2m, and this is based on the taking all factors into consideration in the face of point and ergonomics to 0.6m and 1.5m plumb height ground.Do not adopt the column design of height lifting, general adjustable for height structure all has the gap, has influenced column 1 integrally-built degree of stability, has also reduced the verticality of column 1.
The cone structure of symmetrical two-sided para-curve opening is adopted in column 1 upper end; The best that realizes right cylinder column and plumb aligner arrangement cabin and operating platform base plate 14 merges; Brevity and lucidity has strengthened top four layers degree of stability, has also expanded the operating space under the worktable simultaneously.Be convenient to that the operator installs or adjustment plumb aligner 4 and intuitively inspecting down to a situation; Also be convenient to settle and adjustment nadir mira.
It can be principle of design of this sheaf space physical dimension having the requirements that various types of plumb aligners all were loaded into and can do 360 ° of rotations and satisfy the optics emergent pupil distance of the minimum plumb aligner of volume both at home and abroad now that plumb aligner is settled cabin and operating platform 2.Plumb aligner settles the space in cabin and the operating platform 2 that operator's head is drawn close to the center as far as possible; The scheme that here adopts is that the pillar 3 of plumb aligner arrangement cabin and operating platform 2 is four, and pillar 3 has adopted the fixing mode of hexagon socket head cap screw, is convenient to make plumb aligner settle cabin and operating platform 2 to be in level in processing, when installing.
In Fig. 3, described plumb aligner settles the plumb aligner in cabin and the operating platform 2 to settle ceiling board, also is the base plate in laser mirror cabin 5, and around it and plumb aligner arrangement cabin and operating platform base plate 14 symmetria bilateralis directions are equipped with sector notch.The plumb aligner of particular design is settled cabin and operating platform base plate, makes the operator inspect state, promptly presses close under the state of seized plumb aligner 4, does any direction revolution around column 1, agrees with the wholecircle calibration mode, patrols and examines conveniently.
It is laser mirror cabin 5 that plumb aligner is settled the top of cabin and operating platform 2, the degree of stability of the verticality of superstructure and apparatus main body more for the benefit of, and described laser mirror cabin 5 is three with the pillar that cabin 7 is put in order in accurate adjustment.The employing hexagon socket head cap screw connects, and is used to place laser mirror 6 (level crossing or pentagonal prism) in the laser mirror cabin 5, and laser mirror cabin 5 seat board bores need satisfy the target-seeking needs of plumb aligner.The height in laser mirror cabin 5 does not block shoot laser with operator's of medium height head when the revolution and is not looked at straight by eyes and be advisable.
In Fig. 1, Fig. 2,5 tops, laser mirror cabin are the whole cabin 7 of accurate adjustment, settle accurate adjustment engagement positions 8 therein, and it possesses three-dimensional random adjustment function, and being used for visitor side is accurately sighting of zenith mira 11.Realize the calibration of optical plumbing appearance, one of them necessary condition is calibrated plumb aligner exactly and the zenith mira does not produce extra relatively moving.Therefore, the whole cabin of these accurate adjustment engagement positions 8 base plates and accurate adjustment 7 seat boards are with glue bond.The whole Ceiling 13 of accurate adjustment in the whole cabin 7 of described accurate adjustment is a triangle, to cooperate the connection of three pillars.
Whole 7 tops, cabin of accurate adjustment are coarse regulation 9, and described coarse regulation 9 is provided with a plurality of coarse adjustment screws 10.Be provided with 8 diameter coarse adjustment screws 10 in this example, every tetrad is positioned on the plane, the upper and lower of corresponding respectively adjustment zenith mira 11, thereby the three-dimensional position of control zenith mira 11.For the adjustment of zenith mira 11, adopt 10 adjustment of coarse adjustment screw earlier, adopt 8 fine settings of accurate adjustment engagement positions then, thereby increased the setting range of zenith mira 11, reduced the adjustment number of times.
A kind of method that adopts said apparatus calibration plumb aligner may further comprise the steps:
1) accurately leveling is calibrated plumb aligner 4; Promptly utilize length/circular bubble, the vertical pivot of leveling plumb aligner 4, and this vertical pivot is overlapped with pedal line as far as possible.
2) adjustment zenith mira 11 makes its graticule center overlap with the graticule center of plumb aligner 4 sighting telescopes;
3) make plumb aligner Rotate 180 °, if above-mentioned two graticule centers still overlap, the then right alignment of collimation axis and vertical pivot calibration order ground realization; If do not overlap, then there is a deviation.With 1/2 of this deviation of the telescopical graticule adjustment of plumb aligner,, two centers are overlapped once more with 1/2 of zenith mira adjustment residual deviation;
4) make plumb aligner continue Rotate 180 °, if above-mentioned two graticule centers still overlap, the then right alignment of collimation axis and vertical pivot calibration order ground realization; If registration is not good enough, repeating step 2) and step 3), when plumb aligner rotated 360 °, two graticule centers still overlapped.
Through above-mentioned calibration steps, the collimation axis of plumb aligner is overlapped with vertical pivot.
When adjustment zenith mira 11, at first use the coarse adjustment screw roughly to point, realize 2 coincidences with the accurate adjustment engagement positions then.
This method is further comprising the steps of: laser mirror 6 is placed in the laser mirror cabin 5; Second catoptron is placed on the distance first reflective mirror appropriate location; Laser pick-off screen is placed on the distance second catoptron appropriate location, and plumb aligner 4 is apart from the calibrated distance＞10m of laser pick-off screen and can further freely extend according to the laboratory size.In addition, the laser pick-off screen is placed in the operator and observes comfortable place, but utilizes its fine motion target to calibrate the right alignment of the laser beam axis and the vertical pivot (collimation axis) of plumb aligner convenient and intuitively.
Though the calibrated distance of laser plummet is less than the infinity of optical plumbing appearance; But because its calibration sequence comes after the optical plumbing appearance, the right alignment of collimation axis and vertical pivot is proofreaied and correct in front high-levelly; Thereby transmitted higher basis of reference for the follow-up laser beam axis and the right alignment calibration of collimation axis, so semiconductor laser multimode and spot drift and the malalignment error effect that brings just can reduce, the laser plummet calibrated distance just can be relatively with weak point for length.This device of the present invention just designs one of reason of short laser plummet calibrated distance.
Described column 1 lower end is provided with ground point mira cabin 12 and is reserved with nadir mira 15 accommodation space.When device has nadir visible light calibration function demand, do not need the extra equipment that adds again, as long as move to 12 places, column 1 lower end to zenith mira 11 and accurate adjustment engagement positions 8 thereof, 11 one-tenth head and the tail of zenith mira are placed upside down for 180 ° get final product.
When device has nadir laser calibration functional requirement, at first from column 1, take out nadir mira 15, then laser mirror 6 is displaced downwardly to 12 places, nadir mira cabin, column 1 lower end, 6 one-tenth head and the tail of laser mirror are placed upside down for 180 ° get final product.
Claims (10)
1. device of calibrating plumb aligner; It is characterized in that: column (1) upper surface is provided with plumb aligner and settles cabin and operating platform (2); Plumb aligner settles the cabin to be connected with laser mirror cabin (5) through pillar (3) with operating platform (2); Laser mirror cabin (5) is connected through the whole cabin (7) of pillar and accurate adjustment, and accurate adjustment is put in order and is provided with the accurate adjustment engagement positions (8) that is used for the adjustment of zenith mira (11) three-dimensional random in the cabin (7), and the whole cabin (7) of accurate adjustment engagement positions (8) base plate and accurate adjustment seat board is with glue bond; So that be calibrated plumb aligner and zenith mira (11) does not produce extra relatively moving, accurate adjustment is put in order cabin (7) and is provided with coarse regulation head (9);
Column (1), plumb aligner settle cabin and the whole cabin (7) of operating platform (2), laser mirror cabin (5) and accurate adjustment all to be provided with the through hole that can supply light to pass through;
Described coarse regulation head (9) is provided with a plurality of coarse adjustment screws (10), the corresponding respectively upper and lower of adjusting zenith mira (11), thereby the three-dimensional position of control zenith mira (11).
2. a kind of device of calibrating plumb aligner according to claim 1 is characterized in that: described column (1) lower end is provided with ground point mira cabin (12) and is reserved with nadir mira accommodation space.
3. a kind of device of calibrating plumb aligner according to claim 1 is characterized in that: described column (1) is settled between cabin and the operating platform (2) with plumb aligner and is become the cone structure, and is provided with symmetrical two-sided para-curve opening in its both sides.
4. a kind of device of calibrating plumb aligner according to claim 1 is characterized in that: described plumb aligner settles the plumb aligner in cabin and the operating platform (2) to settle around the ceiling board and operating platform base plate (14) symmetria bilateralis direction is equipped with sector notch.
5. a kind of device of calibrating plumb aligner according to claim 1 is characterized in that: the whole Ceiling (13) of accurate adjustment that described accurate adjustment is put in order in the cabin (7) is triangular in shape.
6. a kind of device of calibrating plumb aligner according to claim 1 is characterized in that: described plumb aligner settles the cabin to be connected with laser mirror cabin (5) through four pillars (3) with operating platform (2).
7. a kind of device of calibrating plumb aligner according to claim 1 is characterized in that: the pillar in the whole cabin (7) of described laser mirror cabin (5) and accurate adjustment is three.
8. one kind is adopted the method that each described device is calibrated plumb aligner among the claim 1-7, it is characterized in that may further comprise the steps:
1) accurately leveling is calibrated plumb aligner (4);
2) adjustment zenith mira (11) makes its graticule center of reticule overlap with the graticule center of reticule of plumb aligner (4) sighting telescope;
3) make plumb aligner Rotate 180 °, if above-mentioned two graticule centers still overlap, the then right alignment of plumb aligner collimation axis and vertical pivot calibration order ground realization; If do not overlap,,, two graticule centers are overlapped once more with 1/2 of zenith mira adjustment residual deviation with 1/2 of the telescopical graticule adjustment of plumb aligner deviation;
4) make plumb aligner continue Rotate 180 °, if above-mentioned two graticule centers still overlap, the then right alignment of collimation axis and vertical pivot calibration order ground realization; If registration is not good enough, repeating step 2) and step 3), when plumb aligner rotated 360 °, two graticule centers still overlapped;
Through above-mentioned calibration steps, the collimation axis and the vertical pivot of plumb aligner reach coincidence status.
9. the method for calibration plumb aligner according to claim 8 is characterized in that: when adjustment zenith mira (11), at first use coarse adjustment screw (10) roughly to point, realize 2 coincidences with accurate adjustment engagement positions (8) then.
10. the method for calibration plumb aligner according to claim 8; It is characterized in that further comprising the steps of: laser mirror (6) is placed in the laser mirror cabin (5); Second catoptron is placed on the distance first reflective mirror appropriate location; The laser pick-off screen is placed on the distance second catoptron appropriate location, and plumb aligner (4) is apart from the calibrated distance＞10m of laser pick-off screen.
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| CN201010539476A CN102032920B (en) | 2010-11-11 | 2010-11-11 | Device and method for calibrating plumb aligner |
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| CN201010539476A CN102032920B (en) | 2010-11-11 | 2010-11-11 | Device and method for calibrating plumb aligner |
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| CN109946845B (en) * | 2019-04-12 | 2022-08-16 | 武汉大学 | Method for adjusting optical axis of telescope to zenith accurately |
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