CN209673114U - Engineering surveying instrument calibration device - Google Patents
Engineering surveying instrument calibration device Download PDFInfo
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- CN209673114U CN209673114U CN201920417886.8U CN201920417886U CN209673114U CN 209673114 U CN209673114 U CN 209673114U CN 201920417886 U CN201920417886 U CN 201920417886U CN 209673114 U CN209673114 U CN 209673114U
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Abstract
The utility model relates to engineering surveying instrument calibration technology fields, disclose a kind of engineering surveying instrument calibration device, it includes L bracket, support rod, elevating mechanism, instrument platform, two parallel light tubes and two light pipe holders, support rod is fixed between the vertical pole part of L bracket and transverse bar, form triangular support structure, the fixed elevating mechanism of the end side of L bracket transverse bar upper surface；Elevating mechanism is worm and gear combination screw rod composition, and wheel is changed hands in the end fixation that screw rod stretches out fixing seat；Two parallel light tubes are symmetricly set on the two sides of L bracket, and each parallel light tube is fixed by corresponding light pipe holder, and the collimation axis of parallel light tube is higher than 15 centimetres of instrument platform upper surface, and the collimation overlapping of axles of two parallel light tubes, while intersecting with the axis of screw rod.The present apparatus will not cause instrument platform deflection because of permanent weighting, so that it is small to verify accurate error.
Description
Technical field
The utility model relates to the utility model relates to engineering surveying instrument calibration technology field, more specifically, it is related to
And a kind of engineering surveying instrument calibration device.
Background technique
With the continuous improvement of modern project measuring technique, GPS positioning technology is widely used in each engineering field, but
In terms of the measurement of higher degree, the measurement of the level be most widely used or conventional, using some length of River-crossing leveling effective solution away from
From the measurement of the level problem across rivers,lakes and seas, River-crossing leveling project is also many at present, and technically also mature, and River-crossing leveling is surveyed
Theodolite, level etc. are commonly used during amount.Before engineering survey, calibration will be carried out to need instrument to be used.
Currently, the calibration high equipment cost that engineering surveying instrument uses, and in use, the placement of its position has fixation
It is required that so that corresponding flexibly placement can not be carried out according to the concrete condition in space, meanwhile, the versatility of this kind of calibration equipment
Difference examines project limited.
Authorization Notice No. is that the Chinese utility model patent of CN203587119U discloses a kind of road engineering survey instrument
Calibration device, the device include L bracket, support rod, lifting column fixed cylinder, lifting column activity cylinder, instrument platform, two directional lights
Pipe and two light pipe holders, due to controlling the structure that instrument platform is gone up and down as lifting column fixed cylinder and lifting column activity cylinder, while instrument
Device platform and lifting column activity cylinder eccentric setting, such eccentric setting will make verified instrument be placed on instrument platform to instrument
The gravity that platform applies is not uniformly, to be easy to cause instrument platform to tilt after multiple frequently use, during such subsequent check
It there is deviation, there are errors so that calibration equipment is easy.
Utility model content
The purpose of the utility model is to provide a kind of versatilities, and engineering surveying instrument calibration good, that the accurate error of verification is small fills
It sets.
To achieve the above object, realized by following technological means: a kind of engineering surveying instrument calibration device, it includes L
Shape bracket, support rod, elevating mechanism, instrument platform, two parallel light tubes and two light pipe holders, support rod are fixed on L bracket
Vertical pole part and transverse bar between, form triangular support structure, the fixed elevator of the end side of L bracket transverse bar upper surface
Structure；
Elevating mechanism is worm and gear elevating mechanism, the worm screw including being parallel to L bracket vertical pole part and transverse bar, with snail
The worm gear of bar cooperation, wears the screw rod that is spirally connected among worm gear, screw thread is screwed in a screw shell below screw rod, and screw shell is vertical
It is fixed on L bracket transverse bar, is provided with fixing seat outside worm and gear, fixing seat is fixed on transverse bar by pillar, spiral shell
Round platen is fixedly installed in bar top, and bias is fixed with instrument platform on platen；
Wheel is changed hands in the end fixation that screw rod stretches out fixing seat；
Two parallel light tubes are symmetricly set on the two sides of L bracket, and each parallel light tube is solid by corresponding light pipe holder
Fixed, the collimation axis of parallel light tube is higher than 15 centimetres of instrument platform upper surface, and the collimation overlapping of axles of two parallel light tubes, while with
The axis of screw rod intersects.
Through the above technical solutions, being fixed on screw rod since not instead of only bias is not fixed on screw rod instrument platform
In rectifying on fixed platen, so actually instrument is placed into when being operated on platen, most of the time weight is all equal
It is even to be distributed on platen, platen will not be made to generate very big deflection, thus will not generation device itself error so that school inspection misses
Difference is small, and more acurrate, the elevating mechanism of worm and gear combination screw rod, which can be realized, to be fine-tuned, the height of the better conditioning instrumentation platform of energy
Degree, realizes the centering of instrument.
Advanced optimize are as follows: bias is fixed with a pillar on platen, be recessed with below instrument platform with the matched groove of pillar,
Instrument platform is covered on pillar by groove.
Through the above technical solutions, pillar protrudes into groove, such instrument platform can be rotated around pillar, be realized eccentric.
It advanced optimizes are as follows: fixing seat is fixed on transverse bar below by two pillars.
Through the above technical solutions, two pillars, for the fixation of fixing seat, fixed is more firm.
It advanced optimizes are as follows: change hands and be provided with handle on wheel.
Through the above technical solutions, the setting of handle is conveniently taken, handle changes hands wheel to shake, thus rotary worm.
It advanced optimizes are as follows: each light pipe holder is made of Liang Ge bracket branch, and each bracket branch is by vertical section, level
Section, skewed horizontal load part and light pipe fixing piece composition, the upper end of vertical section are fixedly connected with one end of horizontal segment, the horizontal segment other end
Light pipe fixing piece is fixed on the upper surface of side, parallel light tube is fixed by the light pipe fixing piece of Liang Ge bracket branch；
Skewed horizontal load part is fixed between vertical section and horizontal segment, forms triangular support structure, skewed horizontal load part and water
The position of flat section connection is corresponding with the fixed position of light pipe fixing piece.
Through the above technical solutions, to support light pipe fixing piece stronger, reliable for triangular support structure.
The utility model compared with prior art the advantages of be: the utility model is simple and practical, low in cost, weight
Gently, migrate it is convenient, easy for assembly and can be arranged according to the specific situation of use space, can complete level, theodolite,
The optical system detection overhauling project of total station.The utility model is not high to the centering placement of instrument during calibration
It is required that the eccentric form using instrument platform is adjusted.The platen of centering is fixed on the reality of the instrument platform on platen plus bias
Eccentric adjustment is showed, but instrument platform deflection will not have been caused because of permanent weighting, so that it is small to verify accurate error.Suitable for adopting
With a quarter method carry out calibration theodolite, total station collimation axis error.The elevator of worm and gear combination screw rod composition
Structure, so that the height of instrument platform can carry out fine adjustment as needed, it is versatile.
Detailed description of the invention
Fig. 1 is the overall structure diagram of engineering survey school checking device in the present embodiment 1；
Fig. 2 is the structural schematic diagram of elevating mechanism in the present embodiment 1；
Fig. 3 is the configuration schematic diagram of elevating mechanism in the present embodiment 1.
The toponym that each number designation is referred in the figures above is as follows: 1, L bracket；2, support rod；3, instrument platform；
4, parallel light tube；5, worm gear；6, worm screw；7, screw rod；8, platen；9, pillar；10, fixing seat；11, pillar；12, wheel is changed hands；13,
Handle；14, screw shell；15-1, vertical section；15-2, horizontal segment；15-3, skewed horizontal load part；15-4, light pipe fixing piece.
Specific embodiment
The utility model is described in further detail with embodiment with reference to the accompanying drawing.
Embodiment 1
As shown in Figures 1 to 3, a kind of engineering surveying instrument calibration device, it includes L bracket 1, support rod 2, elevator
Structure, 3, two parallel light tubes 4 of instrument platform and two light pipe holders, support rod 2 are fixed on the vertical pole part and transverse bar of L bracket 1
Between, form triangular support structure, the fixed elevating mechanism of the end side of 1 transverse bar upper surface of L bracket；
Elevating mechanism be 5 worm screw of worm gear, 6 elevating mechanism, the worm screw 6 including being parallel to L bracket 1 vertical pole part and transverse bar,
The worm gear 5 cooperated with worm screw 6 wears the screw rod 7 that is spirally connected among worm gear 5, and screw thread is screwed in a screw shell 14 screw rod 7 below,
Screw shell 14 is fixed on vertically on 1 transverse bar of L bracket, and 5 worm screw 6 of worm gear is fixed in a fixing seat 10, fixing seat 10
It is fixed on transverse bar by pillar 11.Fixing seat 10 is the matching structure design according to 5 worm screw 6 and screw rod 7 of worm gear, including
The small column that one vertical big cylinder peace is lain, worm gear 5 are fixed in big cylinder, and worm screw 6 is fixed in small column, 5 snail of worm gear
Bar 6 engages, and worm screw 6 can rotate in small column, and worm gear 5 can also rotate in big cylinder, but worm gear 5 will not be transported up and down
Dynamic, the rotation of worm screw 6 drives worm gear 5 to rotate, and will drive screw rod 7 and moves up and down in the vertical direction.
Round platen 8 is fixedly installed in 7 top of screw rod, and bias is fixed with instrument platform 3 on platen 8；
Wheel 12 is changed hands in the end fixation that screw rod 7 stretches out fixing seat 10；
Two parallel light tubes 4 are symmetricly set on the two sides of L bracket 1, and each parallel light tube 4 passes through corresponding light pipe holder
Fixed, the collimation axis of parallel light tube 4 is higher than 15 centimetres of 3 upper surface of instrument platform, and the collimation overlapping of axles of two parallel light tubes 4,
Intersect simultaneously with the axis of screw rod 7.
Eccentric fixation of the instrument platform 3 on platen 8 is specifically, bias is fixed with a pillar 9 on platen 8, below instrument platform 3
It is recessed with and is covered on pillar 9 with the matched groove of pillar 9, instrument platform 3 by groove.
Embodiment 2
The present embodiment is to further limit on the basis of embodiment 1, and each light pipe holder is made of Liang Ge bracket branch,
Each bracket branch is made of vertical section 15-1, horizontal segment 15-2, skewed horizontal load part 15-3 and light pipe fixing piece 15-4, vertical section
The upper end of 15-1 is fixedly connected with one end of horizontal segment 15-2, is fixed light pipe on the upper surface of horizontal segment 15-2 another side and is fixed
Part 15-4, parallel light tube 4 are fixed by the light pipe fixing piece 15-4 of Liang Ge bracket branch；
Skewed horizontal load part 15-3 is fixed between vertical section 15-1 and horizontal segment 15-2, forms triangular support structure, tiltedly
It is corresponding with the fixed position light pipe fixing piece 15-4 with the position of horizontal segment 15-2 connection to supporting element 15-3.
Embodiment 3
The present embodiment is further limited on the basis of embodiment 2, and fixing seat 10 is fixed below by two pillars 11
On transverse bar, changes hands and be provided with handle 13 on wheel 12.
The utility model calibration device can detect the size at the angle i of correcting level instrument；The 2C value of detection correction theodolite, inspection
Survey correction theodolite index error of vertical circle；The boresight misalignments of correction theodolite are examined using a quarter method.
Calibration device installation and debugging in use:
One, according to the specific size of maintenance room, a metope is selected, the fixed L bracket 11 in intermediate position is selected, so that instrument
Platform 5 is advisable away from ground 150cm or so；
Two, parallel light tube 4 being fixed on this same metope, two light pipe holders and instrument platform 3 should ensure that 150~
The distance of 300cm, to maintain easily personnel's operation；The collimation axis of parallel light tube 4 be higher than 15 centimetres of 3 upper surface of instrument platform, be for
It is placed after calibration instrument on guarantee instrument platform 3, height of instrument is substantially contour with 4 axis of parallel light tube, parallel light tube 46
Levelness is debugged using high-precision level, is in a horizontal position its collimation axis.Parallel light tube is debugged with high-precision theodolite
4, so that two parallel light tubes, 4 collimation axis is located coaxial state substantially.
The detection method of calibration device:
One: detect the size at the angle i of correcting level instrument:
Level is placed on instrument platform 3 first, changes hands wheel 12, lifting screw 7 makes the collimation axis of level, i.e.,
The line of object lens optical center and crosshair is substantially contour with 4 collimation axis of parallel light tube.
Instrument platform 3 is rotated around pillar 9, keeps the collimation axis of level substantially parallel with 4 collimation axis of parallel light tube.
Then rotation level aims at a parallel light tube 4.Level object lens, eyepiece focusing spiral are adjusted, check level
Whether the horizontal hair of instrument crosshair is overlapped with the horizontal hair of the crosshair of parallel light tube 4.If not being overlapped, then in the cross of parallel light tube 4
Longitudinal deviation lattice number is read on silk, calculates the angle value at the angle i.Such as meet the requirement of precision i≤20 second, does not then have to correction.Whereas to adjusting
The corresponding adjusting screw of whole level is overlapped the horizontal hair of level crosshair and the horizontal hair of the crosshair of parallel light tube 4.
Two: the 2C value of detection correction theodolite, detection correction theodolite index error of vertical circle:
The 2C value of detection correction theodolite:
Theodolite or total station are placed on instrument platform 3, wheel 12 is changed hands, lifting screw 7 makes the collimation axis of instrument,
I.e. the line of object lens optical center and crosshair is substantially contour with 4 collimation axis of parallel light tube.Swinging instrument platform 3 makes theodolite or total station
Collimation axis it is substantially parallel with 4 collimation axis of parallel light tube.
When perpendicular disk is on the left of telescope, then with the vertical silk of the crosshair of the perpendicular position aiming parallel light tube 4 of facing left of telescope.In
Read level reading scale in theodolite reading window, is denoted as reading of facing left.
When perpendicular disk is on the right side of telescope, then the vertical silk that the crosshair of parallel light tube 4 is aimed in the right position of disk is erected with telescope.In
Read level reading scale in theodolite reading window is denoted as the right reading of disk.If back reading and right reading difference are not 180 degrees,
There are 2C values.It needs to calculate 2C using correlation formula, if 2C value meets the requirement of 2C≤15 second, does not have to correction.Whereas to adjusting
The whole corresponding adjusting screw of theodolite is corrected.
Index error of vertical circle is examined and correction:
Theodolite or total station are placed on instrument platform 3, wheel 12 is changed hands, lifting screw 7 makes the collimation axis of instrument,
I.e. the line of object lens optical center and crosshair is substantially contour with 4 collimation axis of parallel light tube.Swinging instrument platform 3 makes theodolite or total station
Collimation axis it is substantially parallel with 4 collimation axis of parallel light tube.
When perpendicular disk is on the left of telescope, then index error of vertical circle levelling tube is adjusted with the perpendicular position of facing left of telescope and adjusts spiral,
Keep index error of vertical circle level tube bubble placed in the middle, aims at the horizontal hair of the crosshair of parallel light tube 4.It is read in theodolite reading window perpendicular
Straight reading scale is denoted as reading of facing left, which should be 90 degree.
When perpendicular disk is on the right side of telescope, then the crosshair that the parallel light tube 4 of the same side is aimed in the right position of disk is erected with telescope
Horizontal hair.Altitude circle reading is read in theodolite reading window, is denoted as the right reading of disk, which should be 270 degree.
If face left the sum of reading and the right reading of disk are not 360 degree, there are vertical index mark difference X.Correlation formula calculating can be used to refer to
Difference is marked, if index difference X value meets X≤15 second, does not have to correction.Whereas to the corresponding adjusting screw of adjustment theodolite carries out
Correction.
Three, the boresight misalignments of correction theodolite are examined using a quarter method:
Theodolite or total station are placed on instrument platform 3, wheel 12 is changed hands, lifting screw 7 makes the collimation axis of instrument,
I.e. the line of object lens optical center and crosshair is substantially contour with 4 collimation axis of parallel light tube.Swinging instrument platform 3 makes theodolite or total station
Collimation axis it is substantially parallel with 4 collimation axis of parallel light tube.
Make perpendicular disk on the left of telescope, then with the vertical of the crosshair of this 3 left parallel light pipe 4 of position sighting instrument platform of facing left
Silk.Horizontal direction is motionless, and only by telescope after vertical plane rotates 180 degree, reversing face aims at the crosshair of other side parallel light tube 4
Vertical silk, record with vertical silk interval read.
Make perpendicular disk on the right side of telescope, then with the vertical of the crosshair of the right 3 left parallel light pipe 4 of position sighting instrument platform of this disk
Silk.Horizontal direction is motionless, and only by telescope after vertical plane rotates 180 degree, reversing face aims at the crosshair of other side parallel light tube 4
Vertical silk, record with vertical silk interval read.
When instrument is normal, two minor ticks reading should be equal.As unequal, then 2C value, such as 2C are calculated using correlation formula
Value meets 2C≤15 second, then does not have to correction.Otherwise a quarter value of the sum of space-number twice is calculated, then to adjust theodolite corresponding
Adjusting screw be corrected.
Claims (5)
1. a kind of engineering surveying instrument calibration device, which is characterized in that it includes L bracket (1), support rod (2), elevator
Structure, instrument platform (3), two parallel light tubes (4) and two light pipe holders, support rod (2) are fixed on the vertical pole part of L bracket (1)
Between transverse bar, triangular support structure, the fixed elevating mechanism of the end side of L bracket (1) transverse bar upper surface are formed；
Elevating mechanism is worm gear (5) worm screw (6) elevating mechanism, the worm screw including being parallel to L bracket (1) vertical pole part and transverse bar
(6), with the worm gear (5) of worm screw (6) cooperation, worm gear (5) is intermediate to be worn the screw rod that is spirally connected (7), and screw thread is screwed in one to screw rod (7) below
In screw shell (14), screw shell (14) is fixed on vertically on L bracket (1) transverse bar, and worm gear (5) worm screw (6) is fixed
In a fixing seat (10), fixing seat (10) is fixed on transverse bar by pillar (11), and the fixed setting of screw rod (7) top is round
Platen (8), bias is fixed with instrument platform (3) on platen (8)；
Wheel (12) are changed hands in the end fixation that screw rod (7) stretches out fixing seat (10)；
Two parallel light tubes (4) are symmetricly set on the two sides of L bracket (1), and each parallel light tube (4) passes through corresponding light pipe branch
Frame is fixed, and the collimation axis of parallel light tube (4) is higher than 15 centimetres of instrument platform (3) upper surface, and the collimation of two parallel light tubes (4)
Overlapping of axles, while intersecting with the axis of screw rod (7).
2. engineering surveying instrument calibration device according to claim 1, which is characterized in that bias is fixed on platen (8)
One pillar (9), instrument platform (3) is recessed with below to be covered by groove in pillar (9) with pillar (9) matched groove, instrument platform (3)
On.
3. engineering surveying instrument calibration device according to claim 1, which is characterized in that fixing seat (10) is below by two
Root pillar (11) is fixed on transverse bar.
4. engineering surveying instrument calibration device according to claim 1, which is characterized in that change hands and be provided with handle on wheel (12)
Hand (13).
5. engineering surveying instrument calibration device according to claim 1, which is characterized in that each light pipe holder is by two branch
Frame branch composition, each bracket branch is fixed by vertical section (15-1), horizontal segment (15-2), skewed horizontal load part (15-3) and light pipe
Part (15-4) composition, the upper end of vertical section (15-1) are fixedly connected with one end of horizontal segment (15-2), and horizontal segment (15-2) is another
It is fixed on the upper surface of end side light pipe fixing piece (15-4), parallel light tube (4) passes through the light pipe fixing piece of Liang Ge bracket branch
(15-4) is fixed；
Skewed horizontal load part (15-3) is fixed between vertical section (15-1) and horizontal segment (15-2), forms triangular support structure,
Skewed horizontal load part (15-3) is corresponding with the fixed position light pipe fixing piece (15-4) with the position that horizontal segment (15-2) connects.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920417886.8U CN209673114U (en) | 2019-03-29 | 2019-03-29 | Engineering surveying instrument calibration device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920417886.8U CN209673114U (en) | 2019-03-29 | 2019-03-29 | Engineering surveying instrument calibration device |
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| Publication Number | Publication Date |
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| CN209673114U true CN209673114U (en) | 2019-11-22 |
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ID=68573194
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110967043A (en) * | 2019-12-30 | 2020-04-07 | 重庆工商职业学院 | Engineering measuring instrument calibration device |
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2019
- 2019-03-29 CN CN201920417886.8U patent/CN209673114U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110967043A (en) * | 2019-12-30 | 2020-04-07 | 重庆工商职业学院 | Engineering measuring instrument calibration device |
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