CN105698755A - Extension-type invar bar code rod and precise leveling method thereof - Google Patents
Extension-type invar bar code rod and precise leveling method thereof Download PDFInfo
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- CN105698755A CN105698755A CN201610188594.2A CN201610188594A CN105698755A CN 105698755 A CN105698755 A CN 105698755A CN 201610188594 A CN201610188594 A CN 201610188594A CN 105698755 A CN105698755 A CN 105698755A
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- steel pipe
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
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Abstract
The invention relates to an extension-type invar bar code rod and a precise leveling method of the extension-type invar bar code rod. The extension-type invar bar code rod comprises an inner rectangular steel tube, an outer rectangular steel tube and a screw bolt pin, wherein the inner rectangular steel tube is sheathed in the outer rectangular steel tube, the screw bolt pin is arranged on the outer rectangular steel tube, an invar bar code band is arranged on the front side surface of the outer rectangular steel tube, and a level is arranged on the rear side surface of the outer rectangular steel tube. According to the extension-type invar bar code rod and the precise leveling method of the extension-type invar bar code rod, when the extension-type invar bar code rod is used for measuring height difference between A and B points, the same extension-type invar bar code rod is used for measurement between A and B points and the leveling precision is ensured. The extension-type invar bar code rod has a simple structure and can be carried and used conveniently, the economic cost is saved, and the precise leveling method can achieve the same precision requirement in a leveling process.
Description
Technical field
The present invention relates to a kind of scalable indium steel bar yardstick and precise leveling method thereof, belong to engineering survey and Geodetic Technique field。
Background technology
Nowadays, during the settlement observation of the high-grade measurement of the level especially building, frequently with precision level and precise levelling rod。National regulation specifies that country three, fourth-order leveling adopt the two-sided indium steel ruler of wooden district form of 2m or 3m, and country's first and second order leveling must adopt 3m indium steel ruler (joining precision optics level gauge) or 2m (or 3m) indium steel bar yardstick (joining precise electronic level gauge)。Country's classified leveling is measured and definitely can not be adopted Sopwith staff or folding rule。But the indium steel ruler of 2m (or 3m) carries extremely difficult, a lot of units of measuring especially do the unit of building subsidence observation at present, in order to transport the indium steel ruler of a 2m (or 3m), must be equipped with a big long vehicle, and when transporting with dolly, be difficult in car to set aside concerns the indium steel ruler of 2m (or 3m), it is impossible to folding or flexible indium steel ruler brings much inconvenience to transport, brings very big economic loss to unit simultaneously。
Chinese patent literature CN204831279U discloses a kind of building settlement deformation survey indium steel ruler, this indium steel ruler includes indium steel ruler body, suspension holdfast, first telescopic supporting rod and the second telescopic supporting rod, suspension holdfast is fixed on indium steel ruler top, one end of first telescopic supporting rod and the second telescopic supporting rod is all hinged on indium steel ruler chi body sidewall, chi body sidewall is provided with air level, chi body sidewall is fixed with the first clamp and the second clamp, the structure of the first telescopic supporting rod and the second telescopic supporting rod is identical and all includes outer space core bar, interior solid hopkinson bar and length adjusting screws, outer space core bar and interior solid hopkinson bar connect together, length adjusting screws withstands on the outer surface of interior solid hopkinson bar through outer space core bar and end, external hollow boom end is hinged on the sidewall of indium steel ruler chi body。This indium steel ruler improves the safety of survey crew, improves certainty of measurement, saves manpower, but this indium steel ruler cannot realize the flexible of its length, however it remains the problem of inconvenient to carry, transport difficult。
Chinese patent literature CN204575062U discloses a kind of high accuracy indium steel ruler with slidingtype telescopic outrigger, including indium steel ruler body, the indium steel ruler body back side is provided with telescopic outrigger, telescopic outrigger includes sleeve and the pipe being sheathed in sleeve, the upper end of sleeve is fixed on indium steel ruler body, the lower end of sleeve is provided with knob, and the lower end of pipe is provided with leg。The telescopic outrigger of this indium steel ruler improves the external condition impact on measuring, it is ensured that certainty of measurement, makes measurement working performance and accuracy rate be greatly improved, it may be achieved uneven ground or rugged surface, mountain area are accurately measured。But the position of improving of this indium steel ruler is in that the supporting construction of indium steel ruler, and the body for indium steel ruler does not improve, and still there is the problem that indium steel ruler is inconvenient to carry。
Yet there are no the report being related to indium steel ruler body stretch mode, also never have the sale of telescopic indium steel ruler on the market。Trace it to its cause, in leveling process, the precision of indium steel ruler is to ensure that one of key factor of measurement of the level precision, and adopts the indium steel ruler of adjustable in length, will certainly there is the precision impact that the error of telescopic connection is brought when utilizing existing method to carry out the measurement of the level。
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of scalable indium steel bar yardstick easy to carry, and propose the new method of a kind of precise leveling, the precision utilizing the new method of the precise leveling of same scalable indium steel bar yardstick to can effectively ensure that in leveling process, reaches the purpose of precise leveling。
Technical scheme is as follows:
A kind of scalable indium steel bar yardstick, including interior rectangular steel pipe, outer rectangular steel pipe and spiral pin, interior rectangle steel pipe socket is located in outer rectangular steel pipe, arranges described spiral pin outside on rectangular steel pipe, and the leading flank of rectangular steel pipe is provided with on indium steel barcode strip, trailing flank and is provided with spirit level outside。
Preferably, arranging the spiral pin that 3-5 group is described outside on rectangular steel pipe, often group includes three spiral pins, and three the spiral pins often organized are distributed on the same level cross section of outer rectangular steel pipe。The advantage of this design is in that, when interior rectangular steel pipe is from when stretching out in outer rectangular steel pipe, can be fixed together by three groups of internal rectangular steel pipes of spiral pin and outer rectangular steel pipe。
Preferably, three the spiral pins often organized are distributed in the following manner: the left and right sides of rectangular steel pipe is symmetrical arranged two spiral pins outside, arrange a spiral pin outside on the trailing flank of rectangular steel pipe。
Preferably, the spacing of the spiral pin of described two adjacent groups is 200mm。
Preferably, the material of described interior rectangular steel pipe and outer rectangular steel pipe is aluminium alloy。
Preferably, the bottom of described interior rectangular steel pipe is provided with a pedestal, and the surface area of pedestal is more than the sectional area of outer rectangular steel pipe。The advantage of this design is in that, sets a pedestal in the bottom of interior rectangular steel pipe, is conducive to putting of indium steel ruler, increases the stability in indium steel ruler measurement process。
Preferably, the steel plate that described pedestal selects a thickness to be 8mm。
A kind of method utilizing same scalable indium steel bar yardstick to carry out precise leveling, comprises the following steps,
(1) take scalable indium steel bar yardstick, after adjusting its length, if the combined influence of scalable indium steel bar yardstick zero point error and flexible indium steel ruler junction error is Δ, and keep length constant in whole measurement process；
(2) in carrying out leveling process, forward sight chi and backsight chi all adopt the scalable indium steel bar yardstick after adjusting in step (1), the then discrepancy in elevation h between former and later two observation station A observation station and B observation stationsABFor:
hAB=(a+ Δ)-(b+ Δ)=a-b
Wherein: a is backsight, b is forward reading。
The beneficial effects of the present invention is:
The scalable indium steel bar yardstick of the present invention is capable of elongation and the shortening of length, facilitates length adjustment, is conducive to transport and carries, and the level gauge that scalable indium steel bar yardstick is adapted to differing heights simultaneously carries out reading；In the precise leveling method coordinating the present invention, can effectively eliminate the error that the zero point of indium steel ruler is different and scalable junction is brought, and then meet and reach the technology requirement of precise leveling, especially there is great using value in building subsidence observation, bring good economic and social benefit to measurement unit, there is good application value。
Accompanying drawing explanation
Fig. 1 is the front view before the scalable indium steel bar yardstick elongation of the present invention；
Fig. 2 is the front view after the scalable indium steel bar yardstick elongation of the present invention；
Fig. 3 is the top view of the scalable indium steel bar yardstick of the present invention；
Wherein: 1, indium steel barcode strip；2, interior rectangular steel pipe；3, outer rectangular steel pipe；4, spiral pin；5, pedestal；6, bubble is justified；7, handrail。
Detailed description of the invention
The present invention will be further described by the examples below and in conjunction with accompanying drawing, but is not limited to this。
Embodiment 1:
As shown in Figure 1 to Figure 3, a kind of scalable indium steel bar yardstick, including interior rectangular steel pipe 2, outer rectangular steel pipe 3 and spiral pin 4, interior rectangular steel pipe 2 is sheathed in outer rectangular steel pipe 3, rectangular steel pipe 3 arranges described spiral pin 4 outside, the leading flank of rectangular steel pipe 3 is provided with on indium steel barcode strip 1, trailing flank and is provided with circular bubble outside, carries out indium steel ruler upright position by the round bubble 6 in circular bubble and regulates。
In in embodiment, the material of rectangular steel pipe 2 and outer rectangular steel pipe 3 is aluminium alloy。The length of outer rectangular steel pipe be 1000mm, wide for 85mm, thick in 40mm；The length of interior rectangular steel pipe be 980mm, wide for 80mm, thick in 35mm。
Arranging the spiral pin 4 described in three groups outside on rectangular steel pipe 3, often group includes three spiral pins 4, and three the spiral pins often organized are distributed on the same level cross section of outer rectangular steel pipe 3。Three the spiral pins often organized are distributed in the following manner: two spiral pins are symmetricly set on the left and right sides of outer rectangular steel pipe 3, and the 3rd spiral pin is arranged on the trailing flank of outer rectangular steel pipe 3。Outer rectangular steel pipe 3 and interior rectangular steel pipe 2 are all provided with porose, spiral pin 4 is bored a hole and is crossed and outer rectangular steel pipe 3 and interior rectangular steel pipe 2 are linked together, when interior rectangular steel pipe 2 will from when stretching out in outer rectangular steel pipe 3, outwards back-out spiral pin 4, rectangular steel pipe 2 in pull-out then downward, after adjusting length, it is screwed into spiral pin 4 more inwards, make interior rectangular steel pipe 2 and outer rectangular steel pipe 3 be fixed together, by three groups of spiral pins 4 interior rectangular steel pipe 2 and outer rectangular steel pipe 3 be fixed together and can improve the stability of connection。
The spacing of the spiral pin of two adjacent groups is 200mm。Form a pin section at interval of 200mm, when interior rectangular steel pipe is from outer rectangle steel inner telescoping tube, or stretch with random length, but guarantee measurement process no longer has variation。
The scalable indium steel bar yardstick that the present embodiment provides, complemented one another formed by interior rectangular steel pipe and outer rectangular steel pipe, its length is only about the half of existing indium steel ruler length, it is convenient for carrying, it is easy to after contraction put in car boot, without individually preparing the bigger means of transports such as minibus, it is greatly saved Financial cost；Meanwhile, when interior rectangular steel pipe is from when stretching out in outer rectangular steel pipe, its entire length the same with existing indium steel ruler can meet measurement requirement again。
Embodiment 2:
A kind of scalable indium steel bar yardstick, as described in Example 1, it is different in that structure: the length of outer rectangular steel pipe is 1500mm, and the length of interior rectangular steel pipe is 1480mm；Arranging the spiral pin 4 described in five groups outside on rectangular steel pipe 3, often group includes three spiral pins 4。When the length of interior rectangular steel pipe and outer rectangular steel pipe is longer, it is possible to set up spiral pin group, increase the latter linked stability of elongation with this。
Embodiment 3:
A kind of scalable indium steel bar yardstick, as described in Example 1, it is different in that structure: be provided with a pedestal 5 in the bottom of interior rectangular steel pipe 2, the steel plate that pedestal 5 selects a thickness to be 8mm, and the surface area of pedestal 5 is more than the sectional area of outer rectangular steel pipe 3。Set a pedestal 5 in the bottom of interior rectangular steel pipe 2, be conducive to putting of indium steel ruler, increase the stability in indium steel ruler measurement process。
It addition, the trailing flank groove in echelon of interior rectangular steel pipe 2 and outer rectangular steel pipe 3 is arranged, two sidewalls of trapezoidal groove are provided with handrail 7。This design is advantageous in that, when carrying out the measurement of the level, handrail 7 is easy to operator and is gripped indium steel ruler。
Embodiment 3:
A kind of method that Excavation Settlement is carried out precise leveling by scalable indium steel bar yardstick utilized described in embodiment 3, specifically comprises the following steps that
(1) the scalable indium steel bar yardstick of described in Example 3, after adjusting its length, if the combined influence of scalable indium steel bar yardstick zero point error and flexible indium steel ruler junction error is Δ, to ensure to keep length constant in whole leveling process simultaneously；
(2) in carrying out leveling process, the measurement of the level carries out according to prior art, the difference is that: forward sight chi and backsight chi are intended to adopt the scalable indium steel bar yardstick after adjusting in step (1), then former and later two observation stations, vertical survey between A observation station and B observation station, first scalable indium steel bar yardstick is erected in A observation station, the observation of A observation station backsight is a by level gauge, its real backsight is a+ Δ, then being moved by scalable indium steel bar yardstick is erected in B observation station, the observation of B observation station forward reading is b by level gauge, its real forward reading is b+ Δ, the then discrepancy in elevation h between A observation station and B observation stationABFor:
hAB=(a+ Δ)-(b+ Δ)=a-b (1)
Wherein: a is backsight, b is forward reading。
From above formula (1), utilizing scalable indium steel bar yardstick in carrying out leveling process, ensure the levelling rod of former and later two observation stations be same scalable indium steel bar yardstick and in whole leveling process the length of scalable indium steel bar yardstick to remain unchanged, namely, after the length adjustment of scalable indium steel bar yardstick completes at the beginning, whole leveling process can not carry out secondary adjustment。When forward sight chi and backsight chi are same scalable indium steel bar yardstick, forward reading and backsight are when carrying out vertical survey, the combined influence Δ of scalable indium steel bar yardstick zero point error and flexible indium steel ruler junction error can balance out, thus ensureing the precision of vertical survey。
Claims (8)
1. a scalable indium steel bar yardstick, it is characterized in that, including interior rectangular steel pipe, outer rectangular steel pipe and spiral pin, interior rectangle steel pipe socket is located in outer rectangular steel pipe, arranging described spiral pin outside on rectangular steel pipe, the leading flank of rectangular steel pipe is provided with on indium steel barcode strip, trailing flank and is provided with spirit level outside。
2. scalable indium steel bar yardstick as claimed in claim 1, it is characterised in that arranging the spiral pin that 3-5 group is described outside on rectangular steel pipe, often group includes three spiral pins, and three the spiral pins often organized are distributed on the same level cross section of outer rectangular steel pipe。
3. scalable indium steel bar yardstick as claimed in claim 2, it is characterized in that, three the spiral pins often organized are distributed in the following manner: the left and right sides of rectangular steel pipe is symmetrical arranged two spiral pins outside, arrange a spiral pin outside on the trailing flank of rectangular steel pipe。
4. scalable indium steel bar yardstick as claimed in claim 2, it is characterised in that the spacing of the spiral pin of described two adjacent groups is 200mm。
5. scalable indium steel bar yardstick as claimed in claim 1, it is characterised in that the material of described interior rectangular steel pipe and outer rectangular steel pipe is aluminium alloy。
6. scalable indium steel bar yardstick as claimed in claim 1, it is characterised in that the bottom of described interior rectangular steel pipe is provided with a pedestal, and the surface area of pedestal is more than the sectional area of outer rectangular steel pipe。
7. scalable indium steel bar yardstick as claimed in claim 6, it is characterised in that the steel plate that described pedestal selects a thickness to be 8mm。
8. the method utilizing same described in any one of claim 1-7 scalable indium steel bar yardstick to carry out precise leveling, comprises the following steps,
(1) take scalable indium steel bar yardstick, after adjusting its length, if the combined influence of scalable indium steel bar yardstick zero point error and flexible indium steel ruler junction error is Δ, and keep length constant in whole measurement process；
(2) in carrying out leveling process, forward sight chi and backsight chi all adopt the scalable indium steel bar yardstick after adjusting in step (1), the then discrepancy in elevation h between former and later two observation station A observation station and B observation stationsABFor: hAB=(a+ Δ)-(b+ Δ)=a-b
Wherein: a is backsight, b is forward reading。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610188594.2A CN105698755A (en) | 2016-03-29 | 2016-03-29 | Extension-type invar bar code rod and precise leveling method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610188594.2A CN105698755A (en) | 2016-03-29 | 2016-03-29 | Extension-type invar bar code rod and precise leveling method thereof |
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| Publication Number | Publication Date |
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| CN105698755A true CN105698755A (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610188594.2A Pending CN105698755A (en) | 2016-03-29 | 2016-03-29 | Extension-type invar bar code rod and precise leveling method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108151700A (en) * | 2018-01-26 | 2018-06-12 | 中铁第六勘察设计院集团有限公司 | A kind of portable multi-function indium steel ruler ruler covering device |
| CN110017811A (en) * | 2018-12-29 | 2019-07-16 | 青岛理工大学 | Retractable electronic level indium steel chi |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203274743U (en) * | 2013-05-08 | 2013-11-06 | 广州环达路桥科技有限公司 | Indium steel ruler with night illuminating system |
| CN103591929A (en) * | 2013-11-22 | 2014-02-19 | 山东大学 | Leveling rod for measuring subsidence of ground with large surface relief and use method thereof |
| CN204575062U (en) * | 2015-05-18 | 2015-08-19 | 李晋 | A kind of high precision indium steel ruler with slidingtype telescopic outrigger |
| CN204831279U (en) * | 2015-07-31 | 2015-12-02 | 西安科技大学 | Building subsides to warp to measure uses indium steel ruler |
-
2016
- 2016-03-29 CN CN201610188594.2A patent/CN105698755A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203274743U (en) * | 2013-05-08 | 2013-11-06 | 广州环达路桥科技有限公司 | Indium steel ruler with night illuminating system |
| CN103591929A (en) * | 2013-11-22 | 2014-02-19 | 山东大学 | Leveling rod for measuring subsidence of ground with large surface relief and use method thereof |
| CN204575062U (en) * | 2015-05-18 | 2015-08-19 | 李晋 | A kind of high precision indium steel ruler with slidingtype telescopic outrigger |
| CN204831279U (en) * | 2015-07-31 | 2015-12-02 | 西安科技大学 | Building subsides to warp to measure uses indium steel ruler |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108151700A (en) * | 2018-01-26 | 2018-06-12 | 中铁第六勘察设计院集团有限公司 | A kind of portable multi-function indium steel ruler ruler covering device |
| CN110017811A (en) * | 2018-12-29 | 2019-07-16 | 青岛理工大学 | Retractable electronic level indium steel chi |
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Application publication date: 20160622 |
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