CN101608897A - A kind of precision rod type convergence gauge - Google Patents
A kind of precision rod type convergence gauge Download PDFInfo
- Publication number
- CN101608897A CN101608897A CNA2009101823255A CN200910182325A CN101608897A CN 101608897 A CN101608897 A CN 101608897A CN A2009101823255 A CNA2009101823255 A CN A2009101823255A CN 200910182325 A CN200910182325 A CN 200910182325A CN 101608897 A CN101608897 A CN 101608897A
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- CN
- China
- Prior art keywords
- range finding
- micrometer caliper
- guide pin
- pin bushing
- pull bar
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- 229910000831 Steel Inorganic materials 0.000 claims description 25
- 239000010959 steel Substances 0.000 claims description 25
- 238000012544 monitoring process Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
A kind of precision rod type convergence gauge, comprise the anchorage head that is separately fixed at by the range finding two ends, universal hook and tubular connecting rod, also comprise micrometer caliper, one end of micrometer caliper is connected with drawing and pulling type range finding gage, the other end is connected with the pull bar standard, the pull bar standard is by the expansion link that is fixed as one with micrometer caliper, dynamometer spring guide pin bushing that matches with expansion link and limit spring constitute, dynamometer spring guide pin bushing and micrometer caliper junction are provided with the datum windows that indicates datum line, the end of pull bar standard and drawing and pulling type range finding gage can be threaded with the tubular connecting rod of more piece respectively, and expansion link is provided with the alignment line that can align with the datum windows datum line.Be applicable to military project cave depot, railway tunnel, bridge, water conservancy project underground structure, mine working chamber STABILITY MONITORING and earth structure deformation observation.Its structure is convenient to observation, the precision height, and many sections measuring staff combinations, adaptability is strong.
Description
Technical field
The present invention relates to a kind of surveying instrument, especially a kind of adaptation is used for the rod type convergence gauge of military project cave depot, railway tunnel, bridge, water conservancy project underground structure, mine working chamber STABILITY MONITORING and earth structure deformation observation.
Background technology
The application of convergence gauge is existing for many years, and numerous for many years experts, scholar, engineering technical personnel have done a large amount of fruitful work for practicality and the reliability of exploring convergence gauge.Descend at the actual loaded value of avoiding causing because of chi band elastic deformation, the patent No. is 99115008.2 disclosed a kind of self locking rocking headle type convergence meters, though this rocking handle type convergence gauge can be implemented to measure, and has the defective that reading difficulty, precision are not high, measurement effect is not good; At the amount trimmed that reduces convergence gauge, improve the measuring speed of convergence gauge, the patent No. is 92229266.3 disclosed a kind of telescopic digital display convergence gauges, with the raising measuring accuracy, but its adaptability is not of non-ideal use in large section roadway by force, poor stability; The patent No. is 200520017066.8 disclosed a kind of control and tension force of measuring and apparent totally convergence gauges of micrometer of integrating, although showing the convergence gauge measuring accuracy totally, this tension force and micrometer improve, but global reliability is not strong, in the rugged surroundings of tunnel, use very easily and damage, can not effectively solve the accurately reliable and stable again problem of measuring.
Summary of the invention
Technical matters: the purpose of this invention is to provide a kind of simple in structurely, measure accurately reliable and stable, easy to operate, cheap precision rod type convergence gauge.
Technical scheme: precision rod type convergence gauge of the present invention, comprise the anchorage head that is separately fixed at by the range finding two ends, universal hook and tubular connecting rod, also comprise micrometer caliper, one end of micrometer caliper is connected with drawing and pulling type range finding gage, the other end is connected with the pull bar standard, the pull bar standard is by the expansion link that is fixed as one with micrometer caliper, dynamometer spring guide pin bushing that matches with expansion link and limit spring constitute, dynamometer spring guide pin bushing and micrometer caliper junction are provided with the datum windows that indicates datum line, the end of pull bar standard and drawing and pulling type range finding gage can be threaded with the tubular connecting rod of more piece respectively, and expansion link is provided with the alignment line that can align with the datum windows datum line.
Described micrometer caliper is made of with being mated and regulating apart from the cylinder scale the rotation distance-adjusting sleeve tube that indicates scale; Described drawing and pulling type range finding gage is by range finding steel ruler guide pin bushing, and the drawing and pulling type range finding steel ruler and the positioning and locking nut that are inserted into the cross section semicircular in shape in the range finding steel ruler guide pin bushing constitute; Be provided with the spring of the drawing and pulling type range finding steel ruler of restriction cross section semicircular in shape in the described range finding steel ruler guide pin bushing.
Beneficial effect: the present invention adopts the universal hook that is connected the measuring staff two ends, be fastened on the anchorage head on measuring point surface, tunnel, drawing and pulling type range finding survey chi and micrometer caliper can conveniently be tested the tunnel by being threaded, it is collapsible that chi is surveyed in range finding, accurate positioning, adopt hollow steel measuring staff, overcome convergence gauge because of the sagging error that the self gravitation reason causes, having avoided traditional convergence gauge steel ruler is that main survey instrument is because of the caused amount of deflection problem of instruments weight; Tension force and displacement readings can directly be surveyed on chi and the micrometer caliper in range finding and read, and are convenient to observation, the precision height.Having avoided with steel ruler is that main survey instrument is because of the caused amount of deflection problem of instruments weight; The bar type structure novelty is measured precision, many sections measuring staffs combinations, and adaptability is strong; It is little that steel ruler is subjected to extraneous factors such as humidity, temperature to influence distortion, do not calibrate for a long time and still satisfy the precision needs.Be applicable to military project cave depot, railway tunnel, bridge, water conservancy project underground structure, mine working chamber STABILITY MONITORING and earth structure deformation observation.It is simple in structure, many sections measuring staff array mode easy accessibility, and adaptability is strong, convenience simple to operation, it is wear-resistant to survey the chi scale, convenient reading, the measuring accuracy height, stability is strong, and it is little that steel ruler is influenced by extraneous factors such as humidity, temperature, need not frequent calibration.
Description of drawings
Fig. 1 is a precision rod type convergence gauge structural representation of the present invention.
Among the figure: the 1-anchorage head, the universal hook of 2-, the tubular connecting rod of 3-, 4-dynamometer spring guide pin bushing, the 5-spring, the 6-expansion link, the 7-datum windows, 8-rotates distance-adjusting sleeve tube, 9-cylinder scale, 10-range finding steel ruler guide pin bushing, 11-set nut, the 12-steel ruler of finding range, 13-connector.
Embodiment
Below in conjunction with accompanying drawing one embodiment of the present of invention are further described:
Precision rod type convergence gauge of the present invention, mainly by anchorage head 1, universal hook 2, tubular connecting rod 3, the pull bar standard, micrometer caliper and drawing and pulling type range finding gage constitute, micrometer caliper is connected as one with pull bar standard and drawing and pulling type range finding gage respectively, the end face of pull bar standard and the drawing and pulling type range finding gage tubular connecting rod 3 that all has been threaded, the tubular connecting rod 3 of both sides connects the universal hook 2 that adapts with anchorage head 1 respectively, anchorage head 1 is separately fixed at the two ends of being found range, tubular connecting rod 3 one ends that link to each other with the pull bar standard can be connected a plurality of connecting rods 3 according to the size of range finding, and every tubular connecting rod 3 is about 1m.Micrometer caliper by the rotation distance-adjusting sleeve tube 8 that indicates scale with its mutually the cylinder scale 9 of fit constitute, it is regulated length and is about 25cm.Drawing and pulling type range finding gage is by range finding steel ruler guide pin bushing 10, being inserted into range finding steel ruler guide pin bushing 10 drawing and pulling type range finding steel ruler 12 and positioning and locking nuts interior, the cross section semicircular in shape constitutes, its pull length is about 1m, is provided with the spring of the drawing and pulling type range finding steel ruler 12 of restriction cross section semicircular in shape in the range finding steel ruler guide pin bushing 10.The pull bar standard is by constituting with expansion link 6, the dynamometer spring guide pin bushing 4 that matches with expansion link 6 and limit spring 5 that micrometer caliper is fixed as one, dynamometer spring guide pin bushing 4 is provided with the datum windows 7 that indicates datum line with the micrometer caliper junction, the pull bar standard can be connected with the tubular connecting rod 3 of more piece respectively with the end of drawing and pulling type range finding gage, have the internal thread hole that is connected with pull bar standard or drawing and pulling type range finding gage on the tubular connecting rod 3, expansion link 6 is provided with the alignment line that can align with datum windows 7 datum lines.
The course of work: default earlier installing measures section measuring point anchorage head 1, and the universal hook 2 on the tubular connecting rod 3 links to each other with two ends anchorage head 1, according to the length of range finding, by being threaded many tubular fastening linking to each other of connecting rod 3 head and the tail; Before measuring micrometer caliper is unscrewed 0 site, estimate the point-to-point transmission approximate distance earlier, the drawing and pulling type steel ruler 12 of finding range is pulled out from the steel ruler guide pin bushing 10 of finding range, hold convergence gauge level with both hands, tighten set nut 11; A hand rest is lived convergence gauge, and the another hand-screw advances micrometer caliper, when the scale mark of expansion link 6 overlaps with the scale mark of datum windows 7, shows that tensile force harmonizes; 12 places read the first number of length at drawing and pulling type range finding steel ruler, read length mantissa at the micrometer caliper place again, first number+mantissa=distance between two points; If two different times, keep Same Way to measure, the tensile force instrument hangs systematic error such as direction and all can eliminate like this, and the distance between two points that two different times is measured changes and is this distortion of 2 (displacement) value, and this value is distortion (displacement) speed divided by the mistiming of twice measurement.
Claims (4)
1, a kind of precision rod type convergence gauge, comprise the anchorage head (1) that is separately fixed at by the range finding two ends, universal hook (2) and tubular connecting rod (3), it is characterized in that: also comprise micrometer caliper, one end of micrometer caliper is connected with drawing and pulling type range finding gage, the other end is connected with the pull bar standard, the pull bar standard is by the expansion link (6) that is fixed as one with micrometer caliper, dynamometer spring guide pin bushing (4) that matches with expansion link (6) and limit spring (5) constitute, dynamometer spring guide pin bushing (4) is provided with the datum windows (7) that indicates datum line with the micrometer caliper junction, the end of pull bar standard and drawing and pulling type range finding gage can be threaded with the tubular connecting rod of more piece (3) respectively, and expansion link (6) is provided with the alignment line that can align with datum windows (7) datum line.
2, precision rod type convergence gauge according to claim 1 is characterized in that: described micrometer caliper is by the rotation distance-adjusting sleeve tube (8) that indicates scale and be mated and regulate apart from cylinder scale (9) and constitute.
3, precision rod type convergence gauge according to claim 1, it is characterized in that: described drawing and pulling type range finding gage is by range finding steel ruler guide pin bushing (10), and the drawing and pulling type range finding steel ruler (12) and the positioning and locking nut (11) that are inserted into the cross section semicircular in shape in the range finding steel ruler guide pin bushing (10) constitute.
4, precision rod type convergence gauge according to claim 3 is characterized in that: the spring that is provided with the drawing and pulling type range finding steel ruler (12) of restriction cross section semicircular in shape in the described range finding steel ruler guide pin bushing (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009101823255A CN101608897A (en) | 2009-07-08 | 2009-07-08 | A kind of precision rod type convergence gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009101823255A CN101608897A (en) | 2009-07-08 | 2009-07-08 | A kind of precision rod type convergence gauge |
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| Publication Number | Publication Date |
|---|---|
| CN101608897A true CN101608897A (en) | 2009-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009101823255A Pending CN101608897A (en) | 2009-07-08 | 2009-07-08 | A kind of precision rod type convergence gauge |
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| CN (1) | CN101608897A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102297661A (en) * | 2011-07-25 | 2011-12-28 | 中国科学院武汉岩土力学研究所 | Laser convergence apparatus |
| CN102494627A (en) * | 2011-11-30 | 2012-06-13 | 中山大学 | Precision steel cable type digital display convergence gauge |
| CN102538648A (en) * | 2012-01-10 | 2012-07-04 | 中国矿业大学 | Accurate laneway surface convergence measuring method |
| CN102636101A (en) * | 2012-04-01 | 2012-08-15 | 河南理工大学 | Roadway surface convergence measuring method and roadway surface convergence sight scale |
| CN102679840A (en) * | 2012-06-11 | 2012-09-19 | 中国矿业大学 | External port free type convergence instrument and measurement method thereof |
| CN103411593A (en) * | 2013-08-16 | 2013-11-27 | 中国水电顾问集团中南勘测设计研究院 | Convergence measuring peg |
| CN103884263A (en) * | 2014-03-24 | 2014-06-25 | 中国矿业大学 | Rod type convergence gauge and using method thereof |
| CN107063062A (en) * | 2017-04-12 | 2017-08-18 | 霍州煤电集团有限责任公司 | A kind of mining tunnel deformation monitoring equipment |
| CN109931847A (en) * | 2019-04-12 | 2019-06-25 | 河南理工大学 | A kind of multi-point displacement measurement read apparatus |
-
2009
- 2009-07-08 CN CNA2009101823255A patent/CN101608897A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102297661A (en) * | 2011-07-25 | 2011-12-28 | 中国科学院武汉岩土力学研究所 | Laser convergence apparatus |
| CN102297661B (en) * | 2011-07-25 | 2012-12-12 | 中国科学院武汉岩土力学研究所 | Laser convergence apparatus |
| CN102494627B (en) * | 2011-11-30 | 2013-12-18 | 中山大学 | Precision steel cable type digital display convergence gauge |
| CN102494627A (en) * | 2011-11-30 | 2012-06-13 | 中山大学 | Precision steel cable type digital display convergence gauge |
| CN102538648A (en) * | 2012-01-10 | 2012-07-04 | 中国矿业大学 | Accurate laneway surface convergence measuring method |
| CN102636101A (en) * | 2012-04-01 | 2012-08-15 | 河南理工大学 | Roadway surface convergence measuring method and roadway surface convergence sight scale |
| CN102679840B (en) * | 2012-06-11 | 2015-08-19 | 中国矿业大学 | External port free type convergence instrument and measuring method thereof |
| CN102679840A (en) * | 2012-06-11 | 2012-09-19 | 中国矿业大学 | External port free type convergence instrument and measurement method thereof |
| CN103411593A (en) * | 2013-08-16 | 2013-11-27 | 中国水电顾问集团中南勘测设计研究院 | Convergence measuring peg |
| CN103411593B (en) * | 2013-08-16 | 2015-09-16 | 中国电建集团中南勘测设计研究院有限公司 | Convergence peg |
| CN103884263A (en) * | 2014-03-24 | 2014-06-25 | 中国矿业大学 | Rod type convergence gauge and using method thereof |
| CN107063062A (en) * | 2017-04-12 | 2017-08-18 | 霍州煤电集团有限责任公司 | A kind of mining tunnel deformation monitoring equipment |
| CN109931847A (en) * | 2019-04-12 | 2019-06-25 | 河南理工大学 | A kind of multi-point displacement measurement read apparatus |
| CN109931847B (en) * | 2019-04-12 | 2024-03-26 | 河南理工大学 | Multi-point displacement measuring and reading device |
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Application publication date: 20091223 |