CN211552717U - Portable on-site checking equipment for detection precision of pavement three-dimensional laser equipment - Google Patents
Portable on-site checking equipment for detection precision of pavement three-dimensional laser equipment Download PDFInfo
- Publication number
- CN211552717U CN211552717U CN201922182291.1U CN201922182291U CN211552717U CN 211552717 U CN211552717 U CN 211552717U CN 201922182291 U CN201922182291 U CN 201922182291U CN 211552717 U CN211552717 U CN 211552717U
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- plate
- dimensional laser
- pavement
- portable
- laser equipment
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Abstract
The utility model discloses a three-dimensional laser equipment in portable road surface detects precision on-spot check-up equipment, including the check-up board, the middle part of check-up board is provided with U type recess, and one side of U type recess is provided with the slide rail, and the opposite side is provided with the scale, is provided with the replacement board in the U type recess, and the both ends of U type recess are provided with the regulation and support, the regulation support is used for adjusting the upper surface parallel and level of highly making its top surface and check-up board of replacement board, is provided with L type slider in the slide rail, the minor face card of L type slider is in the slide rail, and long limit is hugged closely with the scale, and the bottom symmetry of check. The utility model discloses can carry out the detection that the effective width (X axle) scope of detection was gathered and vertical accuracy (Z axle) to the on-vehicle three-dimensional laser equipment of different heights of erectting.
Description
Technical Field
The utility model belongs to the effective range of three-dimensional laser equipment in road surface gathers and the precision detection field, concretely relates to portable three-dimensional laser equipment in road surface detects on-the-spot check-up equipment of precision.
Background
With the continuous increase of the mileage of the expressway in China, the expressway becomes an important infrastructure for economic development in China. Under the influence of natural factors and load, the highway has diseases such as cracks, ruts, hugs and the like in the design service cycle. The traditional manual detection has low efficiency, high labor intensity, low detection speed and larger error. Therefore, automatic detection and information management of pavement diseases of different degrees and different types become increasingly important work.
The three-dimensional laser detection technology for the pavement has the advantages of high detection precision and efficiency, and the detection process is convenient and rapid and gradually becomes a hot detection means for pavement diseases. The laser triangulation detection device mainly comprises a laser transmitter and a phase receiver, wherein the laser transmitter is used for transmitting a light beam to the contact surface of an object to be detected, and the phase receiver is responsible for light source imaging of a measurement surface.
Generally, a laser transmitter is perpendicular to a measuring surface, infrared laser is transmitted to the surface of an object to form a fan-shaped scattering laser surface through a collimating lens, and the laser surface is intersected with the surface of the measured object and forms a bright line which can be seen by a phase surface receiver on the surface. However, the brightness of the two ends of the bright line is reduced compared with the middle position, the focusing is reduced, the exposure time of the two sides of the phase receiver is prolonged compared with the middle position when the phase receiver receives the bright light, and the vertical precision (Z axis) is affected. Ideally, the elevations of the same elevation sensing plane should be identical, but the vertical accuracy (Z-axis) along the laser line will be inaccurate due to the nature of the triangulation laser method. It is therefore necessary to provide a vertical accuracy (Z-axis) inspection apparatus for a three-dimensional laser apparatus for a road surface, which determines a vertical accuracy (Z-axis) error range in the direction of a laser line at different heights.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a portable road surface three-dimensional laser equipment detects precision on-the-spot check-up equipment to overcome prior art's defect, the utility model discloses can carry out the detection that laser effectively detected width (X axle) scope was gathered and vertical accuracy (Z axle) to the on-vehicle three-dimensional laser equipment of erectting the height at the difference.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a three-dimensional laser equipment in portable road surface detects precision on-spot check-up equipment, includes the check-up board, and the middle part of check-up board is provided with U type recess, and one side of U type recess is provided with the slide rail, and the opposite side is provided with the scale, is provided with the replacement board in the U type recess, and the both ends of U type recess are provided with the regulation and support, the regulation is supported and is used for adjusting the upper surface parallel and level that highly makes its top surface and check-up board of replacement board, is provided with L type slider in the slide rail, the minor face card of L type slider is in the slide rail, and long limit is hugged closely with the.
Furthermore, the verification board is composed of two symmetrical parts which are spliced through a fixing device at the bottom.
Further, the middle part of the graduated scale is zero graduation.
Further, the bottom of the adjusting support is provided with a lifting screw for controlling the lifting of the adjusting support.
Further, the replacement plate is a steel plate, a plastic plate, a cement plate or a colored glass plate.
Further, the calibration support includes the base, is provided with the telescopic link on the base, and the top of telescopic link is provided with the trip fixed with the cooperation of check-up board bottom, still is provided with on the telescopic link to be used for controlling the flexible button of trip.
Furthermore, still be provided with calibration support handle on the base, calibration support is provided with the coarse adjustment lift spiral that can carry out the coarse adjustment to the telescopic link on hand, is provided with the fine setting lift spiral that can carry out the fine setting to the telescopic link on the telescopic link.
Further, the base is made of rubber.
Further, a leveling bubble is arranged on the checking plate.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the utility model discloses a cooperation of L type slider and scale can carry out the detection that laser effectively detected width (X axle) scope was gathered and vertical accuracy (Z axle) to the on-vehicle three-dimensional laser equipment of different heights that erects, through the different materials of the replacement of replacement board, can also confirm three-dimensional laser equipment vertical accuracy (Z axle) fluctuation range on different materials.
Furthermore, the check plate is composed of two symmetrical parts and can be conveniently carried.
Furthermore, the middle part of the graduated scale is provided with zero scales, so that data can be read more conveniently during data acquisition.
Furthermore, the calibration equipment is easy to mount and dismount with the calibration support, the carrying is convenient, and the equipment is provided with a plurality of lifting screws, so that the leveling accuracy of the equipment is guaranteed.
Drawings
FIG. 1 is a flow chart of the operation process of the present invention;
FIG. 2 is a schematic view of the overall structure of the calibration device of the present invention;
fig. 3 is a schematic right view of the calibration device of the present invention;
fig. 4 is a schematic view of the calibration equipment stand of the present invention.
Fig. 5 is a schematic view of the fixing device at the bottom of the calibration apparatus of the present invention.
Wherein, 1 is the scale, 2 is for adjusting the support, 3 is calibration support, 4 is L type slider, 5 is the slide rail, 6 is the check-up board, 7 is the elevator spiral, 8 is the trip, 9 is the button, 10 is calibration support handle, 11 is the base, 12 is coarse adjustment elevator spiral, 13 is fine setting elevator spiral, 14 is fixing device.
Detailed Description
The invention is further described with reference to the accompanying drawings:
referring to fig. 2 to 5, the utility model relates to a full-scale three-dimensional laser equipment effective detection width (X-axis) range acquisition and vertical precision (Z-axis) detection equipment under different erection heights, including foldable calibration plate 6, calibration plate 6 bottom is equipped with two half calibration plate fixing device 14, and calibration support 3 of adjustable height all around, calibration support 3 top has trip 8, button 9, trip 8 agrees with all around with calibration plate 6, calibration support 3 has fine tuning lifting screw 13 and coarse tuning lifting screw 12; the middle position of the upper part of the checking plate 6 is provided with a cuboid hollow part which is used for accommodating the replacement plate and has a U-shaped section, and two sides of the cuboid hollow part are provided with an adjusting support 2 and a lifting screw 7 which are used for vertically adjusting the height; the two hollow sides of the cuboid are provided with a slide rail 5 and a graduated scale 1, and a detachable L-shaped slide block 4 matched with the slide rail in size is arranged in the slide rail 5; the graduated scale 1 is a millimeter scale value; the calibration plate 6 is also provided with a leveling bubble, and the fine adjustment lifting screw 13 is helpful for centering the leveling bubble to achieve the function of quickly leveling the calibration equipment.
The middle part of the checking plate 6 can be folded, half of the checking plate 6 is 2m, and the folding position is just at the position of the scale 0. And the check plate 6 is made of smooth steel material which does not reflect scattered laser, the replacement plate in the hollow cuboid is made of steel plate, plastic plate, cement plate, colored glass plate and the like, and when the L-shaped slide block 4 matched with the slide rail 5 is installed on the slide rail, the edge of the long edge is just aligned with the scale mark.
The following examples further describe the invention:
as shown in fig. 2, the utility model discloses a check-up board 6, the middle part of check-up board 6 are provided with U type recess, and one side of U type recess is provided with slide rail 5, and the opposite side is provided with scale 1, is provided with the replacement board in the U type recess, and 5 assorted with slide rail are L type sliders 4. The short edge of the L-shaped sliding block 4 is just clamped into the sliding rail 5, the long edge is tightly attached to the graduated scale 1, and the L-shaped sliding block spans the U-shaped groove. Two sides of the U-shaped groove are provided with adjusting supports 2. There are also four calibration supports 3 that adjust the elevation of the calibration apparatus.
As shown in fig. 3, the adjustable support 2 has a lifting screw 7 for controlling its lifting.
As shown in fig. 4, the calibration support 3 comprises a hook 8, and a button 9 for controlling the hook to extend and retract. Controlling the elevation of the calibration stand 3 is a coarse elevator screw 12 and a fine elevator screw 13. The calibration support also comprises a calibration support handle 10 of the calibration support 3 and a base 11 made of rubber and contacted with the ground.
As shown in FIG. 5, to allow the two halves of the verification device to be horizontally secured are two fixtures 14 of the verification device.
The length of the checking plate 6 is 4m, the width is 20cm, and the height is 5 cm; the length of the slide rail 5 is 4m, the width is 2cm, and the depth is 2 cm; the U-shaped groove is 4m long, 8cm wide and 3cm deep; the length of the graduated scale 1 is 4m, the middle scale value is 0, and the two sides are 2m respectively.
As shown in fig. 1, the specific operation steps of the present invention are as follows:
(1) and opening the three-dimensional laser equipment to obtain a visible laser, erecting the calibration equipment, primarily selecting the heights of the laser and the calibration equipment, so that the laser line is shot on the replacement plate in the U-shaped groove, and the middle end of the laser line is approximately the same as the middle end of the calibration equipment.
(2) Two L type sliders 4 are installed on the sliding rail 5, the L type sliders 4 are moved to enable laser lines to be just positioned at the edges of the L type sliders 4 and the edges of the laser lines not to be printed on the sliders, reading is conducted through the graduated scale 1, and the effective detection width (X-axis) detection range of the height is collected.
(3) And moving one L-shaped slide block 4 to the middle position of the doubling position of the check plate 6, moving the other L-shaped slide block 4 at different positions and recording, and acquiring vertical precision (Z-axis) data of the end position and the middle position of the effective detection width (X-axis) range of the laser line at a fixed height through three-dimensional laser equipment.
(4) And a replacement plate made of different materials is replaced in the U-shaped groove, and the vertical precision (Z-axis) fluctuation range of the laser line recorded by the three-dimensional laser equipment in a certain time period is output.
(5) And (3) moving a rough adjusting lifting screw 12 and a fine adjusting lifting screw 13 of the calibration support 3, changing the height between the three-dimensional laser equipment and the checking equipment, recording, and repeating the step (2), the step (3) and the step (4).
(6) And after the verification is finished, obtaining the effective detection width (X-axis) acquisition range of the three-dimensional laser equipment at different heights, comparing the vertical precision (Z-axis) of the end part position at different heights with the vertical precision (Z-axis) of the middle position, and detecting the vertical precision (Z-axis) fluctuation range of the three-dimensional laser equipment on different materials at different heights.
Claims (6)
1. The portable on-site checking device for the detection precision of the pavement three-dimensional laser equipment is characterized by comprising a checking plate (6), wherein a U-shaped groove is formed in the middle of the checking plate (6), a slide rail (5) is arranged on one side of the U-shaped groove, a graduated scale (1) is arranged on the other side of the U-shaped groove, a replacement plate is arranged in the U-shaped groove, adjusting supports (2) are arranged at two ends of the U-shaped groove, the adjusting supports (2) are used for adjusting the height of the replacement plate to enable the top surface of the replacement plate to be flush with the upper surface of the checking plate (6), an L-shaped sliding block (4) is arranged in the slide rail (5), the short edge of the L-shaped sliding block (4) is clamped in the slide rail (5), the long edge of the L-shaped sliding block is tightly attached to the graduated scale (1), a calibrating support (3) is symmetrically arranged at the bottom of the checking plate (6), a telescopic rod is arranged on the base (11), a clamping hook (8) matched and fixed with the bottom of the checking plate (6) is arranged at the top of the telescopic rod, and a button (9) used for controlling the stretching of the clamping hook (8) is further arranged on the telescopic rod; the base (11) is also provided with a calibration support handle (10), the calibration support handle (10) is provided with a rough adjustment lifting screw (12) capable of roughly adjusting the telescopic rod, and the telescopic rod is provided with a fine adjustment lifting screw (13) capable of finely adjusting the telescopic rod.
2. The portable on-site verification device for the detection precision of the pavement three-dimensional laser equipment as claimed in claim 1, wherein the verification board (6) is composed of two symmetrical parts, and the two symmetrical parts are spliced through a fixing device (14) at the bottom.
3. The portable on-site verification device for the detection precision of the pavement three-dimensional laser equipment is characterized in that the middle of the graduated scale (1) is zero-scale.
4. The portable on-site verification device for the detection precision of the pavement three-dimensional laser equipment as claimed in claim 1, wherein the replacement plate is a steel plate, a plastic plate, a cement plate or a colored glass plate.
5. The portable on-site verification device for the detection precision of the pavement three-dimensional laser equipment as claimed in claim 1, wherein the base (11) is made of rubber.
6. The portable on-site verification device for the detection precision of the pavement three-dimensional laser equipment as claimed in claim 1, wherein the verification board (6) is further provided with a leveling bubble.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922182291.1U CN211552717U (en) | 2019-12-06 | 2019-12-06 | Portable on-site checking equipment for detection precision of pavement three-dimensional laser equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922182291.1U CN211552717U (en) | 2019-12-06 | 2019-12-06 | Portable on-site checking equipment for detection precision of pavement three-dimensional laser equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211552717U true CN211552717U (en) | 2020-09-22 |
Family
ID=72504783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922182291.1U Expired - Fee Related CN211552717U (en) | 2019-12-06 | 2019-12-06 | Portable on-site checking equipment for detection precision of pavement three-dimensional laser equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211552717U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113405777A (en) * | 2021-06-11 | 2021-09-17 | 北京亿舱科技有限公司 | Multi-optical-axis parallel adjusting device and multi-optical-axis parallel adjusting method |
-
2019
- 2019-12-06 CN CN201922182291.1U patent/CN211552717U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113405777A (en) * | 2021-06-11 | 2021-09-17 | 北京亿舱科技有限公司 | Multi-optical-axis parallel adjusting device and multi-optical-axis parallel adjusting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200922 Termination date: 20211206 |