CN1260543C - Laser vernier - Google Patents
Laser vernier Download PDFInfo
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- CN1260543C CN1260543C CN 200510018102 CN200510018102A CN1260543C CN 1260543 C CN1260543 C CN 1260543C CN 200510018102 CN200510018102 CN 200510018102 CN 200510018102 A CN200510018102 A CN 200510018102A CN 1260543 C CN1260543 C CN 1260543C
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- precise guide
- guide rail
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- vernier
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Abstract
The present invention discloses a laser vernier which comprises two sections of precise guide rails with scale indications and two laser transmitters, wherein the two sections of precise guide rails are connected into a ruler body through a section of intermediate fixing ruler; the two laser transmitters are respectively installed on the two sections of precise guide rails, and respectively form a slide fit with the two sections of precise guide rails. The emitting direction of laser beams of the two laser transmitters are vertical to the laying direction of the two sections of precise guide rails. The precise guide rails and the laser transmitters of the laser vernier are organically combined into one whole. The laser vernier which makes full use of the characteristics of energy concentration and good directivity of the laser beams and the characteristic of the precise positioning of moving of the precise guide rails can carry out remote measurement without contacting equipment or stopping production and can conveniently overcome the influence of the measurement due to obstacles at the front of the equipment to be measured. The present invention has the advantages of simple and easy operation, no need of special training, small influence of environmental and artificial factors, high measurement efficiency and precision and broad application.
Description
Technical field
The present invention relates to adopt the position of laser beam non-contact detecting equipment or the device of geometric parameter, refer to a kind of laser vernier particularly.
Background technology
At present, for the position of equipment or the measurement of its geometric parameter, particularly be in the distance between 2 of equipment in the running or the measurement of size, adopt the measurement of measuring indirectly or stop production of traditional tape measure or optical instrument always, this be because the environment that these equipment often need to be operated in high temperature, vibration etc. down or having under the situation of barrier, people are difficult to directly measure or measure under situation about not stopping production near them, and are all the more so for large industry equipment.
For example to measure the straight warp of a certain round equipment, when barrier being arranged, can't measure correct result with long ruler simply in this round equipment the place ahead.Traditional measuring method is at the two ends, the place ahead of this round equipment two transits to be set, measure the distance between near the extension point in round equipment diameter two ends earlier, measure the distance that two extensions are put round equipment diameter two ends more respectively, obtain the straight warp of round equipment by calculating difference between them at last, its operation is very complicated very.When round equipment remains static, need making to be used for accurately measuring two extensions through the same high support and put the distance at round equipment diameter two ends with round equipment half.For the round equipment of the state of rotatablely moving, except that possessing above-mentioned condition, also need install displacement transducer additional at position near round equipment diameter two ends, the efficient of its surveying work is very low, and measuring error is very big.And, also need survey crew on high ladder swashes, to climb down for main equipment, it is very arduous to work, and will face the potential safety hazard that uncertain factors such as high temperature, vibration, rotation are brought.
This shows that traditional survey instrument and measuring method exist very big defective: the first often needs to stop production and measures, and has both influenced production process, causes production efficiency to decline to a great extent, and production cost is significantly increased; It two is that survey instrument is original relatively, and the installation of surveying instrument is adjusted complicated, makes measuring operation very inconvenient, and efficiency of measurement is on the low side relatively; It three is that measuring accuracy is subjected to human factor and Effect of Environmental bigger, the staff is to the interference of the use of surveying instrument and skilled operation degree, the too close suffered site environment of equipment under test of surveying instrument etc., the capital causes measuring error to become big, the measurement accuracy variation.Therefore, traditional survey instrument necessarily requires the operation by the professional, and common staff is difficult to reach desired measuring accuracy, and its difficulty of applying is very big.
Summary of the invention
Purpose of the present invention will overcome above-mentioned existing in prior technology deficiency exactly, a kind of not contact arrangement is provided or does not stop production and the laser vernier that carries out telemeasurement.This laser vernier can overcome the influence of equipment under test the place ahead barrier to measuring easily, and it is simple to operate easily, and it is little influenced by environment and human factor, efficiency of measurement and precision height.
For realizing this purpose, the designed laser vernier of the present invention comprises two sections precise guide rail and two generating lasers of being provided with the scale indication, described two sections precise guide rail are connected to become a ruler body by one section center fixed chi, described two generating lasers are installed in respectively on described two sections precise guide rail, and be with described two sections precise guide rail respectively and be slidingly matched, it is perpendicular that the laser beam of described two generating lasers penetrates the arranged direction of direction and described two sections precise guide rail.
Further, described center fixed chi is provided with the bubble instrument, thereby does not need other aid or instrument, just can determine the levelness of described ruler body easily, to satisfy between two laser beam the requirement apart from precision measurement.
Further, be provided with movable tripod below described center fixed chi and/or the precise guide rail, thereby do not need other stationary work-table or working face, just can support described ruler body in use, and adjust its measuring height, withdrawal activity tripod when not using makes laser vernier become portable structure, is convenient for carrying and uses.
Further, described generating laser adopts the adjustable generating laser of laser beam luffing angle, so that the placement location of laser vernier can be convenient to the size of survey crew in lower position telemeasurement huge apparatus far below equipment under test.
Principle of work of the present invention is such: the front at measured equipment installs laser vernier in parallelly, make two sections precise guide rail lay respectively at position, two measurement point dead aheads on the measured equipment, two generating lasers on mobile two sections precise guide rail are aimed at two measurement points on the measured equipment respectively, because the laser beam that two generating lasers are launched is parallel to each other and is vertical with two sections precise guide rail, so read the two sections precise guide rail between the two laser and the scale numerical value of one section center fixed chi, can measure the size between 2 of the equipment under tests, or the distance between two equipment under tests.
The invention has the advantages that: designed laser vernier organically is combined as a whole two sections precise guide rail and two generating lasers, made full use of that laser beam energy is concentrated, characteristic and the precise guide rail running fix characteristic of accurate of good directionality, can measure main equipment, comprise the size between any 2 of main equipment fixing and that rotatablely move.This laser vernier operation is implemented easily, do not need special training, anyone is through reading operation instructions or can using through just simply explaining, its measurement is convenient, fast, accurate, efficient, overcome the influence that high temperature, the vibration measured equipment of the sum of errors the place ahead of being brought have barrier to cause effectively, can solve the difficult problem that long-term puzzlement people's main equipment physical dimension is measured.Simultaneously, this laser vernier is simple in structure, with low cost, good to measurement environment adaptability, long service life, applied range, has enormous social and economic benefit.
Description of drawings
Fig. 1 measures the structural representation of a round straight warp of parts of certain equipment for adopting laser vernier of the present invention;
Fig. 2 is the plan structure synoptic diagram of Fig. 1;
Fig. 3 is the right TV structure synoptic diagram of Fig. 1;
Fig. 4 measures the structural representation of two round parts distance of center circle of certain equipment for adopting laser vernier of the present invention;
Fig. 5 is the plan structure synoptic diagram of Fig. 4;
Fig. 6 is the right TV structure synoptic diagram of Fig. 4.
Embodiment
Below in conjunction with the drawings and specific embodiments laser vernier of the present invention is described in further detail:
Laser vernier shown in the figure has two sections precise guide rail 2 and 1, two section precise guide rail 2 of two generating lasers that are provided with the scale indication and is connected to become a ruler body by one section center fixed chi 3.Two generating lasers 1 are installed in respectively on the slide block of two sections precise guide rail 2, can be free to slide along two sections precise guide rail 2.The ruler body of the laser beam ejaculation direction of two generating lasers 1 and two sections precise guide rail 2 and one section center fixed chi 3 formation is perpendicular.Carry for convenience and use, several Height Adjustable movable tripods 5 can be set below center fixed chi 3 and/or precise guide rail 2, in order to supporting and fix the ruler body.Present embodiment adopts two movable tripods 5 that are installed in two sections precise guide rail 2 ends respectively.Design has strong magnets platform 8 on the movable tripod 5, in order to the firm ruler body that adsorbs, guarantees still can very stablely carry out measuring operation easily under the irregular situation in ground.Center fixed chi 3 and/or precise guide rail 2 can adopt collapsible syndeton or sectional type syndeton, only need like this its expansion or splicing assembling are got final product when measuring main equipment, can fold or split collection after finishing using.Center fixed chi 3 is provided with a bubble instrument 4, can directly determine the levelness of ruler body by bubble instrument 4.
Design the mechanism that can adjust Laser emission tube luffing angle on two generating lasers 1, when measuring, can adjust the luffing angle that laser beam penetrates easily.Like this, the measuring position of laser vernier can be far below the measurement point of equipment under test, avoided setting up the trouble of large-scale support, also exempted the hard work that survey crew is operated on high ladder, also can make laser vernier away from equipment under test simultaneously, avoid measuring error that undesirable element brought and potential safety hazards such as high temperature, vibration, rotation, this point is very important for the measurement of main equipment.Two Laser emission tube luffing angle adjusting mechanisms had both had the function of independent adjustment, also had the function that interlock is adjusted, and like this, the distance of point-to-point transmission, also can measure the not lateral dimension of the point-to-point transmission on same surface level on can measuring the same surface level of equipment.
Generating laser 1 can adopt any in semiconductor laser, gas laser, solid state laser, liquid laser or the infrared laser.For the laser vernier of portable construction, can adopt semiconductor laser, its advantage is that volume is little, in light weight, can adopt the power supply of dry cell or AC/DC convertor dual mode easily; Its shortcoming is that the laser beam power that penetrates is big inadequately, can only be used for the measurement of relative closer distance equipment.For the device measuring of overlength distance, can adopt the bigger gas laser of power, solid state laser or liquid laser.And, can adopt infrared laser for situation about need measure at night, be equipped with the purpose that infrared glasses or infrared telescopic system reach measurement.
The focusing system of generating laser 1 front end can be adjusted emitted laser beam spot very tiny, so that the measurement point of fine registration equipment under test.It is cross that laser beam spot preferably is, further to guarantee its measuring accuracy.For the equipment under test that is not easy to aim at, can also photoelectricity be installed in its measurement point and receive rake, receive cooperating of rake by generating laser 1 with photoelectricity, lock measurement point, guarantee the degree of accuracy of measuring.
The example of the straight warp of round parts is measured for adopting laser vernier of the present invention in Fig. 1～3.Equipment under test shown in the figure is round parts 6, at the front barrier 7 of influential measurement also of these circle parts 6, measure the diameter of these circle parts 6, obviously can't or draw the chi realization with traditional ruler.When adopting the present invention to measure, at first choose the approximate location of two bolt cam framves 5, suitably, adjust its general height away from circle parts 6 according to field condition; Then laser vernier is installed on the strong magnets platform 8 of bolt cam frame 5 with the direction that is parallel to round parts 6 diameters, and adjusts the levelness of laser vernier by the bubble instrument 4 on the center fixed chi 3; With the power connection of two generating lasers 1, on two sections precise guide rail 2, move two generating lasers 1 again, make two generating lasers 1 launch laser beam respectively to the diameter two ends of director circle parts 6; Read the two sections precise guide rail 2 between the two laser and the scale numerical value of one section center fixed chi 3 at last, can measure the diameter of round parts 6.
The example of two round parts distance of center circle is measured for adopting laser vernier of the present invention in Fig. 4～6.Equipment under test shown in the figure is two swiveling wheels 6, measure two centre distance between the swiveling wheel 6, if the temperature of two swiveling wheels 6 is more than 100 ℃, survey crew can't lean on too closely, more can not touch.When adopting the present invention to measure, at first choose the approximate location of two bolt cam framves 5, suitably, adjust its general height away from two swiveling wheels 6 according to field condition; Then laser vernier is installed on the strong magnets platform 8 of bolt cam frame 5 with the direction that is parallel to two swiveling wheels 6, and adjusts the levelness of laser vernier by the bubble instrument 4 on the center fixed chi 3; With the power connection of two generating lasers 1, on two sections precise guide rail 2, move two generating lasers 1 again, make two generating lasers 1 launch the center of circle that laser beam is aimed at two swiveling wheels 6 respectively; Read the two sections precise guide rail 2 between the two laser and the scale numerical value of one section center fixed chi 3 at last, can measure the distance of center circle of two swiveling wheels 6.
Claims (9)
1. laser vernier, comprise two sections precise guide rail (2) and two generating lasers (1) that are provided with the scale indication, it is characterized in that: described two sections precise guide rail (2) are connected to become a ruler body by one section center fixed chi (3), described two generating lasers (1) are installed in respectively on described two sections precise guide rail (2), and be with described two sections precise guide rail (2) respectively and be slidingly matched, it is perpendicular that the laser beam of described two generating lasers (1) penetrates the arranged direction of direction and described two sections precise guide rail (2).
2. laser vernier according to claim 1 is characterized in that: said center fixed chi (3) is provided with the bubble instrument (4) of determining described ruler body levelness.
3. laser vernier according to claim 1 and 2 is characterized in that: the movable tripod (5) that is provided with the described ruler body of supporting below said center fixed chi (3) and/or the said precise guide rail (2).
4. laser vernier according to claim 3 is characterized in that: the strong magnets platform (8) that also is provided with the described ruler body of the firm absorption of energy between said center fixed chi (3) and/or said precise guide rail (2) and the movable tripod (5) below it.
5. laser vernier according to claim 1 and 2 is characterized in that: said center fixed chi (3) and/or said precise guide rail (2) adopt collapsible syndeton or sectional type syndeton.
6. laser vernier according to claim 1 and 2 is characterized in that: said generating laser (1) adopts the adjustable generating laser of laser beam luffing angle.
7. laser vernier according to claim 1 and 2 is characterized in that: said generating laser (1) adopts any in semiconductor laser, gas laser, solid state laser, liquid laser or the infrared laser.
8. laser vernier according to claim 1 and 2 is characterized in that: said generating laser (1) adopts laser beam spot to be cross generating laser.
9. laser vernier according to claim 1 and 2 is characterized in that: said generating laser (1) adopts with photoelectricity and receives the generating laser that rake matches, and described photoelectricity receives rake and is installed on the measurement point of equipment under test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510018102 CN1260543C (en) | 2005-01-01 | 2005-01-01 | Laser vernier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510018102 CN1260543C (en) | 2005-01-01 | 2005-01-01 | Laser vernier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1632449A CN1632449A (en) | 2005-06-29 |
| CN1260543C true CN1260543C (en) | 2006-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510018102 Expired - Fee Related CN1260543C (en) | 2005-01-01 | 2005-01-01 | Laser vernier |
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| CN (1) | CN1260543C (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252573A (en) * | 2011-04-25 | 2011-11-23 | 江南大学 | Laser slide caliper |
| CN102778196A (en) * | 2011-05-10 | 2012-11-14 | 长春理工大学 | Image size measuring method based on laser calibration |
| CN105182353B (en) * | 2015-06-25 | 2018-09-18 | 上海工程技术大学 | A kind of non-contact laser distance meter and measurement method |
| CN104976969B (en) * | 2015-06-29 | 2018-01-09 | 江苏永钢集团有限公司 | Bearing shell contact angle indicates instrument |
| CN105043261A (en) * | 2015-09-01 | 2015-11-11 | 徐州工业职业技术学院 | Facility greenhouse photophobic crop stem and fruit size laser measuring equipment |
| CN105203571B (en) * | 2015-10-14 | 2018-07-24 | 临沂正大检测技术有限公司 | Small diameter tube circumferential welded seam ray detection ray machine positioning device and its operating method |
| CN108168403A (en) * | 2018-01-10 | 2018-06-15 | 中国铁路上海局集团有限公司蚌埠工务段 | Portable rail displacement lasers measuring instrument |
| CN109235729A (en) * | 2018-09-21 | 2019-01-18 | 中冶成都勘察研究总院有限公司 | A kind of superimposed sheet installation check method in place |
| CN112401874A (en) * | 2020-11-18 | 2021-02-26 | 四川大学华西医院 | Otolaryngology branch of academic or vocational study is clinical with operation device with range finding function |
| CN117870557A (en) * | 2024-01-05 | 2024-04-12 | 诸城市益民地理工程测绘科技有限公司 | Building acceptance wall measuring device |
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2005
- 2005-01-01 CN CN 200510018102 patent/CN1260543C/en not_active Expired - Fee Related
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| CN1632449A (en) | 2005-06-29 |
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Granted publication date: 20060621 Termination date: 20130101 |