CN203375977U - Fixed-height leveling device - Google Patents
Fixed-height leveling device Download PDFInfo
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- CN203375977U CN203375977U CN201320492714.XU CN201320492714U CN203375977U CN 203375977 U CN203375977 U CN 203375977U CN 201320492714 U CN201320492714 U CN 201320492714U CN 203375977 U CN203375977 U CN 203375977U
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- leveling
- base plate
- forced centering
- bulb
- fixed
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- 239000011148 porous material Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 6
- 239000004568 cement Substances 0.000 description 6
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- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a fixed-height leveling device comprising a forced centering shaft, a bottom plate, a plurality of leveling bolts used for leveling, a fixing mechanism used for fixing a measuring instrument, and a bubble used for leveling indication. One end of the forced centering shaft is connected with a forced centering plate preset at a measured point and the other end of the forced centering shaft is provided with a ball head which is rotatably connected with the bottom plate. The relative positions of the center of the ball head and the bottom plate remain unchanged. The leveling bolts used for leveling are arranged on the bottom plate symmetrically. The fixing mechanism used for fixing the measuring instrument is fixedly connected onto the bottom plate. The bubble used for leveling indication is disposed on the upper surface of the bottom plate or the upper surface of the fixing mechanism. The fixed-height leveling device has the leveling function of the conventional base and guarantees that the height of the instrument is unchanged after the leveling is finished. Manual measurement errors caused by manual measurement of the instrument height are prevented.
Description
Technical field
The utility model relates to the subsidiary field of mechanical technique, refers to especially a kind of fixed high levelling device.
Background technology
The surveying instrument such as total powerstation, GPS is before being measured, surveying instrument need to be arranged on tripod, and carry out centering leveling by pedestal, the purpose of centering is to allow the center of instrument and measured on same pedal line, and the purpose of leveling is vertical pivot vertical, the horizontal dial level that makes instrument.After the surveying instrument centering leveling completes, need the artificial instruments such as steel tape or tape measure that use to measure the height of centre to the measured point, ground, the coordinate figure that so just instrument can be recorded is converted into the true coordinate value of ground measured point, because the precision of the survey instruments such as steel tape or tape measure own is limited and be manual read's number, therefore thisly set up with tripod the method that instrument measured and can only be applied in the not high measurement of accuracy requirement.
In order further to improve the precision of measuring, people adopt and build cement observation pier on measured points, pre-buried forced centering plate on cement observation pier, instrument is located on forced centering plate and is measured by common leveling abase frame, nonetheless, the height of instrument is not still a definite value, because instrument all needed to carry out leveling by three adjustment spirals of common leveling pedestal before each the measurement, although instrument itself has a fixing height during fabrication, but often move instrument No. one time, height after its leveling all is difficult to be consistent, highly still, need manually to measure.
The utility model content
In view of this, the purpose of this utility model is to propose a kind of fixed high levelling device, has the levelling function of traditional pedestal, can guarantee again that after leveling completes height of instrument is constant, has avoided manually measuring the artificial measuring error that height of instrument brings simultaneously.
The fixed high levelling device provided based on above-mentioned purpose the utility model, comprise forced centering axle, base plate, for a plurality of leveling bolts of leveling, for the fixed mechanism of fixation measuring instrument and for the bubble of leveling indication;
Described forced centering axle one end connects the forced centering plate that is preset in measured point, and the described forced centering axle other end comprises bulb, and described bulb is rotationally connected the centre of sphere of described base plate and described bulb and the relative position of base plate remains unchanged;
Be symmetrical arranged described a plurality of leveling bolts for leveling on described base plate, and be fixedly connected with the described fixed mechanism for the fixation measuring instrument on described base plate;
The described bubble for the leveling indication is arranged at plate upper surface or fixed mechanism upper surface.
In some embodiments, described leveling bolt is three, and the centre of sphere of described bulb of take is symmetrical arranged as symcenter.
In some embodiments, described base plate comprises upper cover plate and lower shoe, the center axial aperture of described upper cover plate and lower shoe; When described upper cover plate is connected with lower shoe, the spherical pore that the common formation of the binding site of the two matches with described bulb.
In some embodiments, the bottom of described lower shoe through hole is bellmouth.
In some embodiments, described fixed mechanism comprises three pillars and for the three-jaw seat of fixation measuring instrument; Described three-jaw seat connects described base plate by described three pillars, and the height of described three pillars is identical.
In some embodiments, the described bubble for the leveling indication is arranged at the upper surface of described three-jaw seat.
As can be seen from above, the fixed high levelling device that the utility model provides, because the relative position of the bulb centre of sphere of forced centering axle and base plate is constant, and instrument thereby to be fixed on centre on base plate by fixed mechanism also constant to the distance of base plate, therefore, instrument is fixed value to the distance of the bulb centre of sphere of forced centering axle in surely high levelling device; The distance that arrives the bulb centre of sphere due to centre is fixed value, set up instrument on the forced centering plate on cement observation pier at every turn, once leveling instrument, the height of instrument is always a fixed value, saved and manually measured the measuring error that height of instrument brings, improved measuring accuracy, the measurement engineering that is specially adapted to measuring accuracy is had higher requirements.
The accompanying drawing explanation
The perspective view of the fixed high levelling device embodiment that Fig. 1 provides for the utility model;
The front view of the fixed high levelling device embodiment that Fig. 2 provides for the utility model;
The vertical view of the fixed high levelling device embodiment that Fig. 3 provides for the utility model.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with specific embodiment, and, with reference to accompanying drawing, the utility model is further described.
An embodiment of the present utility model provides a kind of fixed high levelling device, comprises forced centering axle, base plate, for a plurality of leveling bolts of leveling, for the fixed mechanism of fixation measuring instrument and for the bubble of leveling indication;
Described forced centering axle one end connects the forced centering plate that is preset in measured point, and the described forced centering axle other end comprises bulb, and described bulb is rotationally connected the centre of sphere of described base plate and described bulb and the relative position of base plate remains unchanged;
Be symmetrical arranged described a plurality of leveling bolts for leveling on described base plate, and be fixedly connected with the described fixed mechanism for the fixation measuring instrument on described base plate;
The described bubble for the leveling indication is arranged at plate upper surface or fixed mechanism upper surface.
To accompanying drawing 3, be respectively perspective view, front view and the vertical view of fixed high another embodiment of levelling device that the utility model provides with reference to accompanying drawing 1.
Described fixed high levelling device, comprise forced centering axle 10, base plate, for three leveling bolts 30 of leveling, for the fixed mechanism of fixation measuring instrument and for the bubble 50 of leveling indication;
Described forced centering axle 10 1 ends are threaded connection with the forced centering plate be embedded on cement observation pier, described forced centering axle 10 other ends comprise that bulb 11(is with reference to accompanying drawing 2), described bulb 11 is rotationally connected the centre of sphere of described base plate and described bulb 11 and the relative position of base plate remains unchanged;
Described base plate comprises upper cover plate 22 and lower shoe 21, the center axial aperture of described upper cover plate 22 and lower shoe 21; When described upper cover plate 22 is connected by screw with lower shoe 21, the spherical pore (as shown in Figure 2) that the common formation of the binding site of the two matches with described bulb 11; Described three leveling bolts 30 for leveling are set on described lower shoe 21, and the centre of sphere of described bulb 11 of take is symmetrical arranged as symcenter; The bottom of the through hole of opening on described lower shoe 21 be bellmouth 60(as shown in Figure 2); Because described bulb 11 is rotationally connected described base plate, therefore described base plate can rotate freely around the bulb 11 of forced centering axle 10 in the certain angle scope of described bellmouth 60 restrictions;
Described fixed mechanism comprises three pillars 41 and for the three-jaw seat 42 of fixation measuring instrument; Described three-jaw seat 42 is fixedly connected with the lower shoe 21 of described base plate by described three pillars 41, the height of described three pillars remains identical; The described bubble 50 for the leveling indication is arranged at the upper surface of described three-jaw seat;
In described fixed high levelling device, the bulb centre of sphere of forced centering axle 10 is definite values to the distance of described three-jaw seat 42, and three-jaw seat 42 can achieve a fixed connection with surveying instrument, just can guarantee that be level altitude from the bulb centre of sphere of forced centering axle 10 to the surveying instrument center; After instrument leveling, directly adopt this level altitude to carry out the true coordinate value that the coordinate figure conversion can obtain measured point.
During use, the thread end of forced centering axle 10 closely is connected with the forced centering plate on being embedded in cement observation pier, then regulates three leveling bolts 30 by observing bubble 50, drive the bulb end rotation of base plate at forced centering axle 10, realize levelling function.Because between base plate and the three-jaw seat 5 that connects instrument being is connected by three highly identical pillars 41, so after described fixed high levelling device leveling completes, the bulb centre of sphere of forced centering axle 10 is fixed values to the distance of the three-jaw seat 42 that connects surveying instrument, because of surveying instrument, to the distance between described three-jaw seat 42, be also a fixed value again, so can realize that the distance from the bulb centre of sphere of forced centering axle 10 to the surveying instrument center is a fixed value, both realize fixed high function.After instrument leveling, directly adopt the bulb centre of sphere to carry out to the level altitude at surveying instrument center the true coordinate value that the coordinate figure conversion can obtain measured point.
By this principle; those skilled in the art can design different size, differing heights, dissimilar, the fixed high levelling device that sets up distinct device; these Approximate Design belong to expanded application of the present utility model, belong to equally protection domain of the present utility model.
It needs to be noted, the measured point coordinate value that the described fixed high levelling device that adopts the utility model to provide records, coordinate figure by the rear bulb centre of sphere for the forced centering axle that converts, because utilizing thread end and be embedded in cement, the described forced centering axle of determining high levelling device observe the forced centering plate on pier closely be connected, the described fixed high levelling device that the utility model is provided is repeated to install, the site error of its forced centering axle bulb centre of sphere almost can be ignored, and the bulb centre of sphere remains fixed value to the distance at surveying instrument center, measured point coordinate value that obtain is much higher than common manual measurement instrument is high for the degree of accuracy of the measured point coordinate value that therefore adopts described fixed high levelling device to record.
Measuring principle based on described in above-described embodiment, the described fixed high levelling device that the utility model provides can be applicable to the surveying instrument of the fixed high leveling of any needs, and these applications all belong to protection domain of the present utility model.
Those of ordinary skill in the field are to be understood that: the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle; any modification of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
1. a fixed high levelling device, is characterized in that, comprises forced centering axle, base plate, for a plurality of leveling bolts of leveling, for the fixed mechanism of fixation measuring instrument and for the bubble of leveling indication;
Described forced centering axle one end connects the forced centering plate that is preset in measured point, and the described forced centering axle other end comprises bulb, and described bulb is rotationally connected the centre of sphere of described base plate and described bulb and the relative position of base plate remains unchanged;
Be symmetrical arranged described a plurality of leveling bolts for leveling on described base plate, and be fixedly connected with the described fixed mechanism for the fixation measuring instrument on described base plate;
The described bubble for the leveling indication is arranged at plate upper surface or fixed mechanism upper surface.
2. fixed high levelling device according to claim 1, is characterized in that, described leveling bolt is three, and the centre of sphere of described bulb of take is symmetrical arranged as symcenter.
3. fixed high levelling device according to claim 1, is characterized in that, described base plate comprises upper cover plate and lower shoe, the center axial aperture of described upper cover plate and lower shoe; When described upper cover plate is connected with lower shoe, the spherical pore that the common formation of the binding site of the two matches with described bulb.
4. fixed high levelling device according to claim 3, is characterized in that, the bottom of described lower shoe through hole is bellmouth.
5. according to the described fixed high levelling device of claim 1-4 any one, it is characterized in that, described fixed mechanism comprises three pillars and for the three-jaw seat of fixation measuring instrument; Described three-jaw seat connects described base plate by described three pillars, and the height of described three pillars is identical.
6. fixed high levelling device according to claim 5, is characterized in that, the described bubble for the leveling indication is arranged at the upper surface of described three-jaw seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320492714.XU CN203375977U (en) | 2013-08-13 | 2013-08-13 | Fixed-height leveling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320492714.XU CN203375977U (en) | 2013-08-13 | 2013-08-13 | Fixed-height leveling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203375977U true CN203375977U (en) | 2014-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320492714.XU Expired - Lifetime CN203375977U (en) | 2013-08-13 | 2013-08-13 | Fixed-height leveling device |
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| CN (1) | CN203375977U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104634329A (en) * | 2015-02-13 | 2015-05-20 | 中铁第一勘察设计院集团有限公司 | Forced centering leveling platform of high-speed railway measurement total station |
| CN104631236A (en) * | 2015-02-13 | 2015-05-20 | 中铁第一勘察设计院集团有限公司 | Forced total station centering device used for measuring track datum point of high-speed railway |
| CN107588762A (en) * | 2017-11-09 | 2018-01-16 | 中建三局集团有限公司 | Multifunctional measuring instrument pedestal and its application method |
| CN111323001A (en) * | 2020-03-27 | 2020-06-23 | 中铁二局集团有限公司 | Forced centering device for engineering measurement and use method thereof |
| CN113752224A (en) * | 2021-09-01 | 2021-12-07 | 英特尔产品（成都）有限公司 | Method and device for adjusting levelness of wafer table |
-
2013
- 2013-08-13 CN CN201320492714.XU patent/CN203375977U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104634329A (en) * | 2015-02-13 | 2015-05-20 | 中铁第一勘察设计院集团有限公司 | Forced centering leveling platform of high-speed railway measurement total station |
| CN104631236A (en) * | 2015-02-13 | 2015-05-20 | 中铁第一勘察设计院集团有限公司 | Forced total station centering device used for measuring track datum point of high-speed railway |
| CN104631236B (en) * | 2015-02-13 | 2016-08-24 | 中铁第一勘察设计院集团有限公司 | The total powerstation forced centering apparatus measured for high speed railway track datum mark |
| CN107588762A (en) * | 2017-11-09 | 2018-01-16 | 中建三局集团有限公司 | Multifunctional measuring instrument pedestal and its application method |
| CN111323001A (en) * | 2020-03-27 | 2020-06-23 | 中铁二局集团有限公司 | Forced centering device for engineering measurement and use method thereof |
| CN113752224A (en) * | 2021-09-01 | 2021-12-07 | 英特尔产品（成都）有限公司 | Method and device for adjusting levelness of wafer table |
| CN113752224B (en) * | 2021-09-01 | 2023-01-06 | 英特尔产品（成都）有限公司 | Method and device for adjusting levelness of wafer table |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200826 Address after: 610000 Qingyang District, Chengdu, Chengdu, Sichuan, No. 8, 1 building, No. 1, No. 1 Patentee after: SICHUAN JIELIAN XINCHUANG TECHNOLOGY Co.,Ltd. Address before: 24 No. 610041, Yongfeng Road, hi tech Zone, Sichuan, 5, 1107, 3, international garden, 1, Chengdu Patentee before: Jiang Chuan |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140101 |