CN201740532U - Calibration device of level bar and construction engineering detector set - Google Patents

Calibration device of level bar and construction engineering detector set Download PDF

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Publication number
CN201740532U
CN201740532U CN2010202718771U CN201020271877U CN201740532U CN 201740532 U CN201740532 U CN 201740532U CN 2010202718771 U CN2010202718771 U CN 2010202718771U CN 201020271877 U CN201020271877 U CN 201020271877U CN 201740532 U CN201740532 U CN 201740532U
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CN
China
Prior art keywords
surveyor
calibrating
staff
micrometer head
calibration
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Expired - Fee Related
Application number
CN2010202718771U
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Chinese (zh)
Inventor
赵东升
贾敏强
刘大忠
高冉
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Shandong Institute of Metrology
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Shandong Institute of Metrology
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Priority to CN2010202718771U priority Critical patent/CN201740532U/en
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Publication of CN201740532U publication Critical patent/CN201740532U/en
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Abstract

The utility model relates to a measuring instrument calibration device, in particular to a calibration device of a level bar and construction engineering detector set, which comprises a calibration table top, a parallel pillar, a special 45-degree angle square, a micrometer head and a level bar division value error calibration table, wherein the parallel pillar and the special 45-degree angle square are fixed on the calibration table top; both ends of one side of the parallel pillar are respectively provided with a fixing support plate; an upper fixing support plate is provided with a position measuring anvil, and a lower fixing support plate is provided with a through hole for inserting the micrometer head. In the utility model, the traditional calibration device is improved and integrated; multiple functions are integrated, and all technical Indexes of the level bar and construction engineering detector set can be calibrated. The utility model has the advantages of small occupied area, high integrated level, high precision and simple and convenient operation.

Description

The calibrating installation of surveyor's staff and architecture engineering detector group
Technical field
The utility model relates to a kind of metering appliance detecting device, relates in particular to the calibrating installation of a kind of surveyor's staff and architecture engineering detector group.
Background technology
Surveyor's staff is to utilize the liquid level principle, measures a kind of measurement instrument of the relative horizontal level of measured surface, plumb position, obliquity departure degree, is mainly used in the installation of civil construction and common machines.The architecture engineering detector group is made up of verticality detection ruler, inside and outside right angle detection ruler, diagonal angle detection ruler etc., is generally used for the detection at building wall verticality, flatness, inside and outside right angle etc.For guaranteeing the precision of these measurement instruments, need it to be detected by metrological service.Mostly present domestic metrological service is to utilize some single cubings (as calibrating table top, leveling ruler, angle square etc.) to detect measurement instrument, in the testing process ubiquity can't one time problems such as all calibration items, complicated operation, accuracy of detection are low in the performance specification, domestic also do not have the special-purpose surveyor's staff of a cover and a calibrating installation of architecture engineering detector group.
Summary of the invention
For addressing the above problem, the utility model provides a kind of and has carried out the calibrating installation that system detects at surveyor's staff, verticality detection ruler and inside and outside right angle detection ruler.
The calibrating installation of surveyor's staff described in the utility model and architecture engineering detector group comprises calibrating table top, parallel column, special-purpose 45 chi, micrometer head and surveyor's staff scale division value error calibrating platform, and parallel column and special-purpose 45 chi are fixed on the calibrating table top; Two ends, described parallel column one side respectively are provided with a fixed supported slab, wherein go up fixed supported slab and are provided with the location anvil, and following fixed supported slab is provided with the through hole that is used for inserting micrometer head.The calibrating table top is used for the detection of surveyor's staff, verticality detection ruler and inside and outside right angle detection ruler workplace flatness or the linearity project and the horizontal level error of zero.Parallel column is used for the error of zero of detection level chi plumb position, the error of zero of verticality detection ruler plumb position, the error of indication and indicating value variation, the error of indication of inside and outside right angle detection ruler.Special-purpose 45 chi is used for the error of zero of the error of zero of 45 ° of positions of detection level chi, inside and outside right angle detection ruler.Surveyor's staff scale division value error calibrating platform can be installed in respectively on calibrating table top, parallel column and the special-purpose 45 chi, is used for the calibrating of surveyor's staff horizontal level, plumb position and 45 ° of position scale division value errors.
In the said apparatus, described surveyor's staff scale division value error calibrating platform comprises hold-down support, the dial framework of regulating bearing, worktable and being used for fixing micrometer head, worktable one end and hold-down support are hinged, and the other end places to be regulated on the bearing, and dial framework is located at and is regulated bearing one side; Described adjusting bearing is provided with spring, and spring supports the worktable of top.Surveyor's staff is put on the calibrating platform, by the rotation micrometer head worktable free end is moved up and down, thereby record scale division value, and the nominal scale division value that shows with micrometer head relatively, the scale division value error of calculated level chi at diverse location.
In the said apparatus, described micrometer head is digital display indicating gauge or clock gauge or dial gauge or lever meter or micrometer gauge.
In the said apparatus, the manufacturing materials of described calibrating table top, parallel column and special-purpose 45 chi is metal or rock or synthetic material, and the selection of material will have good flatness and bigger deadweight, guarantees the precision of measuring.
The utility model improves integration to existing calibrating installation, and integrated multiple function can realize the calibrating to surveyor's staff and all technical indicators of architecture engineering detector group, has that floor area is little, integrated level is high, precision is high, advantages of simple operation.
Description of drawings
Below in conjunction with accompanying drawing embodiment of the present utility model is described in detail:
Fig. 1 is the structural representation of the utility model embodiment;
Among the figure, 1, the calibrating table top, 2, following fixed supported slab, 3, through hole, 4, parallel column, 5, special-purpose 45 chi, 6, hold-down support, 7, worktable, 8, regulate bearing, 9, dial framework, 10, micrometer head, 11, spring, 12, go up fixed supported slab, 13, the location anvil.
Embodiment
As shown in the figure, the calibrating installation of surveyor's staff and architecture engineering detector group, comprise calibrating table top 1, parallel column 4, special-purpose 45 chi 5, micrometer head 10 and surveyor's staff scale division value error calibrating platform, parallel column 4 and special-purpose 45 chi 5 are fixed on the calibrating table top 1; Two ends, described parallel column 4 one side respectively are provided with a fixed supported slab, wherein go up fixed supported slab 12 and are provided with location anvil 13, and following fixed supported slab 2 is provided with the through hole 3 that is used for inserting micrometer head 10.Described surveyor's staff scale division value error calibrating platform comprises hold-down support 6, the dial framework 9 of regulating bearing 8, worktable 7 and being used for fixing micrometer head 10, worktable 7 one ends and hold-down support 6 are hinged, the other end places to be regulated on the bearing 8, dial framework 9 is positioned at regulates bearing 8 one sides, is inserted with micrometer head 10 on the dial framework 9; Described adjusting bearing 8 is provided with spring 11, and spring 11 supports the worktable 7 of top.Above-mentioned calibrating table top 1, parallel column 4 and special-purpose 45 chi 5 all adopt marble to make, and micrometer head 10 adopts the digital display indicating gauge.
Below in conjunction with embodiment specific implementation process is described:
Embodiment 1 detection level chi, verticality detection ruler, inside and outside right angle detection ruler workplace flatness or linearity
The workplace of tested surveyor's staff, verticality detection ruler, inside and outside right angle detection ruler is lain on the calibrating table top 1, utilize the clearance gauge examination to fill in itself and the gap of examining and determine table top 1, obtain the flatness or the linearity of its workplace.
The error of zero of embodiment 2 detection level chis or verticality detection ruler horizontal level
Surveyor's staff or verticality detection ruler are placed on the calibrating table top 1, after treating the bubble stabilizes in the horizontal level, get a1 by bubble one end reading, then surveyor's staff or verticality detection ruler are turned 180 °, be placed on the original position of calibrating table top 1, the reading a2 of the bubble other end is write down on one side of reading according to the first time, and half of twice difference of reading is the error of zero.
The error of zero of embodiment 3 detection level chis or verticality detection ruler plumb position
The surveyor's staff workplace near parallel column 4, is measured in parallel column 4 left and right sides, and half of twice difference of reading is the error of zero.
With the workplace of verticality detection ruler near parallel column 4, about two position measurements, the mean value of twice reading value (signed) is the error of zero.
The error of zero of 45 ° of positions of embodiment 4 detection level chis
Surveyor's staff near 45 chi 5 slanting faces, is read the reading of 45 ° of bubble off-center positions, be the error of zero of 45 ° of positions of surveyor's staff.
Embodiment 5 detects the zero error of inside and outside right angle detection ruler
With the right angle part of inside and outside right angle detection ruler near 45 chi 5, read the reading on the indicating gauge, be its zero error.
The error of indication of embodiment 6 detection of vertical degree detection rulers
Micrometer head 10 is inserted in the through hole 3 of fixed supported slab 2 under the parallel column, the verticality detection ruler is abutted against the location anvil 13 and the micrometer head 10 of parallel column 4, rotation micrometer head 10 makes the indicating gauge of verticality detection ruler indicate zero-bit, again with micrometer head 10 zero setting, in range ability, evenly choose some calibration points, rotate micrometer head 10 forward or backward to corresponding calibration point, the error of indication of calibration verticality detection ruler.
The indicating value variation of embodiment 7 detection of vertical degree detection rulers
Micrometer head 10 is inserted in the through hole 3 of fixed supported slab 2 under the parallel column, the verticality detection ruler is abutted against the location anvil 13 and the micrometer head 10 of parallel column 4, rotation micrometer head 10 makes the indicating gauge of verticality detection ruler indicate zero-bit, again with micrometer head 10 zero setting, rotating micrometer head 10 forward or backward makes the indicating gauge of verticality detection ruler depart from zero-bit, the cycle micrometer head 10 again, make micrometer head 10 again to zero, reading numerical values from the indicating gauge, several times are respectively done in front and back, and the difference conduct of getting maximum and minimum value is by the indicating value variation of school verticality detection ruler.
Embodiment 8 detects the error of indication of inside and outside right angle detection ruler
Inside and outside right angle detection ruler is placed on the calibrating table top 1, make its folding rule be close to the micrometer head 10 of parallel column 4, it is zero that rotation micrometer head 10 makes the indicating value of inside and outside right angle detection ruler, micrometer head 10 zero clearings, rotate micrometer head 10 then forward, provide standard value with respect to calibration point, reading numerical values from the indicating gauge of tested detection ruler, reading value deducts the error of indication that standard value is respective point.
The scale division value error of embodiment 9 detection level chis
Surveyor's staff scale division value error calibrating platform is placed on the correct position of examining and determine table top 1, parallel column 4 or 45 chi 5, the scale division value error of detection level chi level, vertical, 45 ° of levels respectively.Before the calibration, be put in surveyor's staff on the worktable 7 and make both vertical consistency, micrometer head 10 is installed on dial framework 9 earlier, and make the measuring staff axle of micrometer head 10 perpendicular to worktable 7, gauge head contacts with worktable 7.Rotation micrometer head 10, micrometer head 10 presses down worktable 7, make bubble aim at the start line of level left end, rotation micrometer head 10 is to corresponding scale, treat that the end by bubble carries out reading after the bubble stabilizes, get the mean value of twice reading, read a1, a2 successively, the difference of nominal scale division value and reading value is the scale division value error of surveyor's staff left end.With the scale division value error of same method detection level chi right-hand member, get the scale division value error of its maximal value for this surveyor's staff.The scale division value error amount calculates by following formula:
Δa i=1-(a i-a i-1)
In the formula: Δ a iBe the scale division value error of surveyor's staff, unit: lattice; a i, a I-1Be the reading of surveyor's staff, unit: lattice.

Claims (5)

1. the calibrating installation of surveyor's staff and architecture engineering detector group, it is characterized in that: comprise calibrating table top (1), parallel column (4), special-purpose 45 chi (5), micrometer head (10) and surveyor's staff scale division value error calibrating platform, parallel column (4) and special-purpose 45 chi (5) are fixed on the calibrating table top (1); Two ends, described parallel column (4) one side respectively are provided with a fixed supported slab, wherein go up fixed supported slab (12) and are provided with location anvil (13), and following fixed supported slab (2) is provided with the through hole (3) that is used for inserting micrometer head (10).
2. the calibrating installation of surveyor's staff according to claim 1 and architecture engineering detector group, it is characterized in that: described surveyor's staff scale division value error calibrating platform comprises hold-down support (6), the dial framework (9) of regulating bearing (8), worktable (7) and being used for fixing micrometer head (10), worktable (7) one ends and hold-down support (6) are hinged, the other end places to be regulated on the bearing (8), and dial framework (9) is located at and is regulated bearing (8) one sides.
3. the calibrating installation of surveyor's staff according to claim 2 and architecture engineering detector group is characterized in that: described adjusting bearing (8) is provided with spring (11), and spring (11) supports the worktable (7) of top.
4. the calibrating installation of surveyor's staff according to claim 1 and 2 and architecture engineering detector group is characterized in that: described micrometer head (10) is digital display indicating gauge or clock gauge or dial gauge or lever meter or micrometer gauge.
5. according to the calibrating installation of claim 1 or 2 or 3 described surveyor's staffs and architecture engineering detector group, it is characterized in that: the manufacturing materials of described calibrating table top (1), parallel column (4) and special-purpose 45 chi (5) is metal or rock or synthetic material.
CN2010202718771U 2010-07-27 2010-07-27 Calibration device of level bar and construction engineering detector set Expired - Fee Related CN201740532U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010202718771U CN201740532U (en) 2010-07-27 2010-07-27 Calibration device of level bar and construction engineering detector set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010202718771U CN201740532U (en) 2010-07-27 2010-07-27 Calibration device of level bar and construction engineering detector set

Publications (1)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102538739A (en) * 2010-12-09 2012-07-04 万科企业股份有限公司 Method for detecting flatness of building surface
CN104864890A (en) * 2015-06-09 2015-08-26 安徽华茂纺织股份有限公司 Verification device of special angle gradienter for spinning
CN105277214A (en) * 2015-11-09 2016-01-27 南宁学院 Level gauge zero-position inspection tester

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102538739A (en) * 2010-12-09 2012-07-04 万科企业股份有限公司 Method for detecting flatness of building surface
CN104864890A (en) * 2015-06-09 2015-08-26 安徽华茂纺织股份有限公司 Verification device of special angle gradienter for spinning
CN105277214A (en) * 2015-11-09 2016-01-27 南宁学院 Level gauge zero-position inspection tester

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EXPY Termination of patent right or utility model
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Granted publication date: 20110209

Termination date: 20140727