CN2299301Y - Laser arch gauge - Google Patents
Laser arch gauge Download PDFInfo
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- CN2299301Y CN2299301Y CN 97213780 CN97213780U CN2299301Y CN 2299301 Y CN2299301 Y CN 2299301Y CN 97213780 CN97213780 CN 97213780 CN 97213780 U CN97213780 U CN 97213780U CN 2299301 Y CN2299301 Y CN 2299301Y
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- receiving target
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Abstract
The utility model relates to a laser arch gauge, which is composed of a laser, a receiving target and a measuring target, wherein, the laser is composed of a shell, a laser tube, a damping pad, a diffraction collimator, a reflective mirror, an electric source, a damping seat, a level regulating knob, a connecting support leg base, a horizontal viewing water drop, and a power switch. The receiving target is composed of a magnetic base, screws, an elevating rod, a shading net cover, a light sensing center point, and a circular shielding piece; the measuring target is composed of the magnetic base, the screws, a vertical and horizontal ruler, an elevating circular ring, the circular shielding piece, the regulating knob, and flat glass. The laser arch gauge has the advantages of simple structure, convenient and safe installation, convenient portability, high measuring precision, low cost, etc.
Description
The utility model relates to laser measuring apparatus, particularly a kind of laser arch measurer of measuring multiple parameters such as overhead travelling crane main beam camber or two same cross sections of track of the single track linearity of cart difference of height.
In the prior art, the method for measuring overhead travelling crane main beam camber generally has two kinds.First kind is level gage measurement method; Second kind is to draw the steel wire mensuration.The former is because instrument and support heaviness thereof, crane is handicapped up and down, and when measuring, the slight vibration of crane will be brought very big error to reading, reading difficulty under the situation of low visibility (brightness in as most of factory buildings on the crane is lower) therefore uses very inconvenient.Though latter's convenient reading, but draw the jig of steel wire very inconvenient owing on crane, install, waste time and energy, especially stressedly in steel wire tension back easily cause steel wire to be broken when excessive, bring danger to operating personnel, and steel wire draws that tight stressed hour the wire rope downwarp will to occur excessive, also brings bigger error for like this reading.
The problem that the utility model exists at prior art, design provides a kind of simple in structure, and the convenient and safety of fitting operation is measured intuitively accurately, the precision height, cost is lower, laser arch measurer easy to carry.
The utility model is achieved by following manner: a kind of laser measuring apparatus is characterized in that being made up of laser instrument, receiving target and measurement target three parts.Wherein: laser instrument partly is by housing, basic mode He-Ne laser tube in the housing and on, the following cushion blocking that is provided with respectively, the diffraction collimator apparatus that cushion blocking is provided with above and the Laser emission mouth of right-hand end thereof, on the housing left side, the vibration damping base that reflective mirror that inferior horn is provided with respectively and power supply and housing bottom surface are provided with, horizontal adjustment knob and connection earth plate, and the level that is provided with respectively of housing upper surface and right-hand member observes the globule and power switch is formed, wherein, on the housing left side, the reflective mirror that inferior horn is provided with respectively should correspond respectively to diffraction collimator apparatus and basic mode He-Ne laser tube left side.When energized, the light that laser instrument sends carries out the diffraction collimation behind catoptron, send a branch of hot spot at the laser instrument emission port then, hot spot falls, and shape as shown in Figure 7 for target (receiving target part), the hot spot visual range is 50 meters, when the adjusting horizontal adjustment knob made level observe the globule to the centre position, light is the maintenance level in 50 meters ranges, and deviation is less than 1 millimeter (finishing adjustment, metering) in the laboratory.The receiving target part is by magnetic base and last lifter drawing bar by screw adjusted thereof, the shading guard that is provided with on the lifter drawing bar and the sensitivity centre point of interior setting thereof and concentric with it circular anti-dazzling screen are formed, measure target part by magnetic base and the Vertical surveyors' staff by screw adjusted thereof, horizontal ruler that is provided with respectively before and after the Vertical surveyors' staff and circular anti-dazzling screen and the adjusting knob thereof in the lifting annulus, flat glass is formed, wherein, Vertical surveyors' staff middle part and be respectively 0 and just up and down, negative arabic numeral scale, horizontal ruler middle part and about be respectively 0 and negative, positive arabic numeral scale, the center of flat glass indicate cross centering scale.Here lifting annulus and circular anti-dazzling screen and adjusting knob thereof, flat glass is an integral body, and it can move up and down along Vertical surveyors' staff, but horizontal ruler move left and right, cross on flat glass centering scale can be on the bidimensional coordinate axis that Vertical surveyors' staff and horizontal ruler constitute read-out position (or numerical value), during concrete the measurement, removable horizontal ruler and lifting annulus, adjust the internal diameter (diaphragm diameter of circular anti-dazzling screen) of circular anti-dazzling screen, it is overlapped with the diffraction pattern outer shroud circumference of light, the reading of cross centering scale this moment on the bidimensional coordinate axis is the light path center of measurement point, center reading as the launching site place cross centering scale of emission port is (0,0), then the center reading of measurement point cross centering scale is the deviation at the launching site light path center of measurement point and emission port, can find out the variation and the situation of change of big Car Track in the bidimensional coordinate axis of overhead travelling crane camber thus.
The course of work of the present utility model is as follows:
1, the measurement of overhead travelling crane main beam camber
At first the sensitivity centre point 20 of the Laser emission mouth 9 of laser instrument part and receiving target part is transferred to and contourly (see Fig. 2 and Fig. 3,4), then laser instrument and receiving target are partly placed the two ends (see figure 1) of overhead travelling crane main beam, beat power switch 10 and adjust the horizontal adjustment knob 12 of laser instrument housing 16 bottom surfaces, the sensitivity centre that makes the heart among the laser instrument light center bright spot (as Fig. 6) drop on Fig. 3 is put on 20 positions, the anti-dazzling screen adjusting knob 21 of adjusting receiving target makes its aperture cylindrical overlap with hot spot 36 cylindricals shown in Figure 7, can begin with the measurement of measurement target part (see figure 5).The emission port 9 of the cross centering scale 27 centrally aligned laser instrument part (see figure 2)s of target will be measured, take reading, use the measurement target at diverse location shown in Figure 1, adjust lifting annulus 35 downwards, make cross centering scale 27 in the face of light beam, constantly read the Vertical surveyors' staff reading, can measure the camber on the overhead travelling crane main beam.
2, the measurement of the same cross section of Car Track difference of height greatly
Laser instrument part (Fig. 2) is placed on the side cart guide rail, and vertical plane is adjusted horizontal adjustment knob 15 and is made level observation water Zhu 8 move to the center another guide rail, and this moment, light level penetrated (the 50m error is less than 1mm).Adjust and measure target part (see figure 5) Vertical surveyors' staff 29, make cross centering scale center and the laser instrument emission port 9 of measuring target contour, to measure target moves to the opposite track and fixes, open laser power supply, then beam level penetrates, and beats measuring on the target, adjusts lifting annulus 35 and adjusting knob 26 up and down, circle overlaps with hot spot 36 cylindricals in the circular anti-dazzling screen (aperture), and then Ci Shi Vertical surveyors' staff reading is the difference of height of the big Car Track in same cross section.
3, the measurement of big Car Track flatness
Laser instrument is partly placed big Car Track one end, place the receiving target part at the other end, the sensitivity centre point 20 of receiving target is high together with laser instrument emission port 9, adjusts the horizontal adjustment knob 12 of laser instrument, makes level observe water Zhu 8 and moves to the center.To measure target then and place the different center of track, about the pulling horizontal ruler 30, move up and down lifting annulus 35, regulate the adjusting knob 26 of circular anti-dazzling screen 31, the interior circle of its aperture is overlapped with hot spot 36 cylindricals, the coordinate readings of cross centering scale 27 centers of this moment is big Car Track in measured point and the emission port 9 variation numerical value at two-dimensional space.
4, be used for the auxilliary measurement of establishing benchmark of big Car Track
Laser instrument is partly placed an auxilliary end of establishing track, regulate horizontal adjustment knob 12, make level observe water Zhu 8 and move to the center, it is contour that the sensitivity centre point 20 of receiving target part, the center of measuring the cross centering scale 27 of target part are transferred to laser instrument emission port 9 partly, cross centering scale 27 readings are (0,0) and locking.Auxilliary when establishing track, receiving target is partly placed the auxilliary other end of establishing, adjust the auxilliary track of establishing, when the cylindrical of hot spot 36 overlaps with the interior circle of the circular anti-dazzling screen 31 of measuring target part, make the reading of measuring target part be always (0,0), can make this moment big Car Track along straight auxilliary the establishing of light, promptly the collimation of track is auxilliary establishes.
The utility model is compared with prior art, have simple in structure, the convenient and safety of fitting operation, easy to carry, measure directly perceived, precision height, characteristics such as cost is low.
Constitutional diagram when Fig. 1 is the utility model use;
Fig. 2 is the structural drawing of laser instrument part of the present utility model;
Fig. 3 is the front view of receiving target part of the present utility model;
Fig. 4 is the right view of receiving target part of the present utility model;
Fig. 5 is the structural drawing of measurement target part of the present utility model;
Fig. 6 is a measurement target part of the present utility model structural drawing when receiving hot spot;
Fig. 7 is a hot spot structural representation of the present utility model.
Among the figure: 1 laser instrument part, 2 measure target part, 3 receiving target parts, 4 main beams, 5 catoptrons, 6 basic mode He-Ne laser tubes, 7 diffraction collimator apparatuses, 8 levels are observed the globule, 9 emission ports, 10 power switches, 11 cushion blockings, 12 horizontal adjustment knob, 13 connect earth plate, 14 vibration damping bases, 15 cushion blockings, 16 housings, 17 power supplys, 18 shading guards, 19 circular anti-dazzling screens, 20 sensitivity centres point, 21 circular anti-dazzling screen adjusting knobs, 22 lifter drawing bars, 23 screws, 24 magnetic base, 25 magnetic switchs, 26 (circular anti-dazzling screen aperture) adjusting knob, 27 crosses centering scale, 28 flat glasss, 29 Vertical surveyors' staffs, 30 horizontal rulers, 31 circular anti-dazzling screens, 32 screws, 33 magnetic base, 34 magnetic switchs, 35 lifting annulus, 36 hot spots.
Most preferred embodiment of the present utility model is shown in Fig. 1-7.A kind of laser measuring apparatus is characterized in that being made up of laser instrument, receiving target and measurement target three parts.Wherein: laser instrument partly is by housing 16, basic mode He-Ne laser tube 6 in the housing 16 and on, the following cushion blocking 11 and 15 that is provided with respectively, the diffraction collimator apparatus 7 that cushion blocking 15 is provided with above and the Laser emission mouth 9 of right-hand end thereof, on housing 16 left sides, the vibration damping base 14 that reflective mirror 5 that inferior horn is provided with respectively and power supply 17 and housing 16 bottom surfaces are provided with, horizontal adjustment knob 12 and connection earth plate 13, and the level that is provided with respectively of housing 16 upper surfaces and right-hand member observes the globule 8 and power switch 10 is formed; Wherein, the reflective mirror 5 that is provided with respectively of upper and lower angle, housing 16 left sides should correspond respectively to diffraction collimator apparatus 7 and basic mode He-Ne laser tube 6 left sides.When energized 16, the light that laser instrument sends carries out the diffraction collimation behind catoptron 5, send a branch of hot spot 36 at laser instrument emission port 9 then, hot spot 36 falls, and shape as shown in Figure 7 for target (receiving target part 3), hot spot 36 visual ranges are 50 meters, when adjusting horizontal adjustment knob 12 made level observe the globule 8 to the centre position, light is the maintenance level in 50 meters ranges, and deviation is less than 1 millimeter (finishing adjustment, metering) in the laboratory.Receiving target part 3 is by magnetic base 24 and go up the lifter drawing bar of regulating by screw 23 22, the shading guard 18 that is provided with on the lifter drawing bar 22 and the sensitivity centre point 20 of interior setting thereof and concentric with it circular anti-dazzling screen 19 are formed, measurement target part 2 is by magnetic base 33 and pass through the Vertical surveyors' staff 29 that screw 32 is regulated, circular anti-dazzling screen 31 and adjusting knob 26 thereof in horizontal ruler 30 that Vertical surveyors' staff 29 front and back are provided with respectively and the lifting annulus 35, flat glass 28 is formed, wherein, Vertical surveyors' staff 29 middle parts and be respectively 0 and just up and down, negative arabic numeral scale, horizontal ruler 30 middle parts and about be respectively 0 and negative, positive arabic numeral scale, the center of flat glass 28 indicate cross centering scale 27.Here lifting annulus 35 and circular anti-dazzling screen 31 and adjusting knob 26 thereof, flat glass 28 is an integral body, and it can move up and down along Vertical surveyors' staff 29, but horizontal ruler 30 move left and right, cross on the flat glass 28 centering scale 27 can be on the bidimensional coordinate axis that Vertical surveyors' staff 29 and horizontal ruler 30 constitute read-out position (or numerical value), during concrete the measurement, removable horizontal ruler 30 and lifting annulus 35, adjust the internal diameter (diaphragm diameter of circular anti-dazzling screen 31) of circular anti-dazzling screen 31, its outer shroud circumference with the diffraction pattern 36 of light is overlapped, the reading of cross centering scale 27 this moment on the bidimensional coordinate axis is the light path center of measurement point, center reading as the launching site place cross centering scale of emission port 9 is (0,0), then the center reading of measurement point cross centering scale 27 is the deviation at the launching site light path center of measurement point and emission port 9, can find out the variation and the situation of change of big Car Track in the bidimensional coordinate axis of overhead travelling crane camber thus.
Claims (1)
1, a kind of laser arch measurer is characterized in that being made up of laser instrument, receiving target and measurement target three parts, wherein:
A, laser instrument are partly by vibration damping base, the horizontal adjustment knob of the Laser emission mouth of the basic mode He-Ne laser tube in housing, the housing and the upper and lower cushion blocking that is provided with respectively thereof, diffraction collimator apparatus that cushion blocking is provided with above and right-hand end thereof, reflective mirror that upper and lower angle, housing left side is provided with respectively and power supply and the setting of housing bottom surface and is connected earth plate and the level observation globule and power switch that housing upper surface and right-hand member are provided with are respectively formed;
B, receiving target part is by magnetic base and go up the shading guard that is provided with on lifter drawing bar by screw adjusted, the lifter drawing bar and the sensitivity centre point of interior setting and concentric with it circular anti-dazzling screen thereof and form;
C, measure target part and form by the horizontal ruler that is provided with respectively before and after magnetic base and the Vertical surveyors' staff by screw adjusted thereof, the Vertical surveyors' staff and the circular anti-dazzling screen in the lifting annulus and adjusting knob thereof, flat glass, wherein, Vertical surveyors' staff middle part and be respectively and positive and negative arabic numeral scale up and down at 0, horizontal ruler middle part and about be respectively and negative, positive arabic numeral scale at 0, the center of flat glass indicates cross centering scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97213780 CN2299301Y (en) | 1997-04-07 | 1997-04-07 | Laser arch gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97213780 CN2299301Y (en) | 1997-04-07 | 1997-04-07 | Laser arch gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2299301Y true CN2299301Y (en) | 1998-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97213780 Expired - Fee Related CN2299301Y (en) | 1997-04-07 | 1997-04-07 | Laser arch gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2299301Y (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101804822A (en) * | 2009-02-18 | 2010-08-18 | 哈尔滨安通测控技术开发有限公司 | Laser measuring instrument and method |
| CN101915553A (en) * | 2010-08-31 | 2010-12-15 | 武汉一冶钢结构有限责任公司 | Simple precamber measuring method in steel box girder construction |
| CN104215192A (en) * | 2013-06-05 | 2014-12-17 | 中国铁建港航局集团有限公司 | Method for measuring inverted camber of prefabricated beam/slab |
| CN104236485A (en) * | 2014-10-14 | 2014-12-24 | 沈机集团昆明机床股份有限公司 | Straightness measuring device |
| CN104634267A (en) * | 2015-01-09 | 2015-05-20 | 河南省特种设备安全检测研究院 | Camber measuring method of overhead and gantry crane and matched measuring device |
| CN105151221A (en) * | 2015-09-07 | 2015-12-16 | 广船国际有限公司 | Horizontal ship body section stack correcting device and method |
| CN106540997A (en) * | 2017-01-20 | 2017-03-29 | 盐城工学院 | Guide rail detection means and hydraulic straightening machine |
| CN107478169A (en) * | 2017-08-01 | 2017-12-15 | 营口市特种设备监督检验所 | Double girder crane track camber measuring instrument |
| CN107588714A (en) * | 2017-08-23 | 2018-01-16 | 华电电力科学研究院 | A kind of novel steam turbine cylinder groove measurement apparatus and its measuring method |
| CN108458667A (en) * | 2018-04-10 | 2018-08-28 | 中铁十九局集团有限公司 | Track plates deform device for fast detecting and detection method |
| CN109298534A (en) * | 2017-12-13 | 2019-02-01 | 中航华东光电（上海）有限公司 | A kind of laser projection identity device and its operating method |
| CN112577400A (en) * | 2020-11-26 | 2021-03-30 | 宝钢特钢韶关有限公司 | V-shaped conveying roller way flatness calibration device and use method thereof |
| CN113124769A (en) * | 2021-04-07 | 2021-07-16 | 西安热工研究院有限公司 | Method for measuring camber of large plate girder |
-
1997
- 1997-04-07 CN CN 97213780 patent/CN2299301Y/en not_active Expired - Fee Related
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101804822A (en) * | 2009-02-18 | 2010-08-18 | 哈尔滨安通测控技术开发有限公司 | Laser measuring instrument and method |
| CN101915553A (en) * | 2010-08-31 | 2010-12-15 | 武汉一冶钢结构有限责任公司 | Simple precamber measuring method in steel box girder construction |
| CN101915553B (en) * | 2010-08-31 | 2011-11-30 | 武汉一冶钢结构有限责任公司 | Simple precamber measuring method in steel box girder construction |
| CN104215192A (en) * | 2013-06-05 | 2014-12-17 | 中国铁建港航局集团有限公司 | Method for measuring inverted camber of prefabricated beam/slab |
| CN104236485A (en) * | 2014-10-14 | 2014-12-24 | 沈机集团昆明机床股份有限公司 | Straightness measuring device |
| CN104236485B (en) * | 2014-10-14 | 2017-02-15 | 沈机集团昆明机床股份有限公司 | Straightness measuring device |
| CN104634267B (en) * | 2015-01-09 | 2018-06-08 | 河南省特种设备安全检测研究院 | A kind of overhead and gantry cranes camber measuring method |
| CN104634267A (en) * | 2015-01-09 | 2015-05-20 | 河南省特种设备安全检测研究院 | Camber measuring method of overhead and gantry crane and matched measuring device |
| CN105151221A (en) * | 2015-09-07 | 2015-12-16 | 广船国际有限公司 | Horizontal ship body section stack correcting device and method |
| CN105151221B (en) * | 2015-09-07 | 2018-09-07 | 广船国际有限公司 | A kind of body section level stacks means for correcting and method |
| CN106540997A (en) * | 2017-01-20 | 2017-03-29 | 盐城工学院 | Guide rail detection means and hydraulic straightening machine |
| CN107478169A (en) * | 2017-08-01 | 2017-12-15 | 营口市特种设备监督检验所 | Double girder crane track camber measuring instrument |
| CN107588714A (en) * | 2017-08-23 | 2018-01-16 | 华电电力科学研究院 | A kind of novel steam turbine cylinder groove measurement apparatus and its measuring method |
| CN109298534A (en) * | 2017-12-13 | 2019-02-01 | 中航华东光电（上海）有限公司 | A kind of laser projection identity device and its operating method |
| CN108458667A (en) * | 2018-04-10 | 2018-08-28 | 中铁十九局集团有限公司 | Track plates deform device for fast detecting and detection method |
| CN112577400A (en) * | 2020-11-26 | 2021-03-30 | 宝钢特钢韶关有限公司 | V-shaped conveying roller way flatness calibration device and use method thereof |
| CN112577400B (en) * | 2020-11-26 | 2022-09-06 | 宝武杰富意特殊钢有限公司 | V-shaped conveying roller way flatness calibration device and use method thereof |
| CN113124769A (en) * | 2021-04-07 | 2021-07-16 | 西安热工研究院有限公司 | Method for measuring camber of large plate girder |
| CN113124769B (en) * | 2021-04-07 | 2024-05-07 | 西安热工研究院有限公司 | Method for measuring camber of girder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |