CN211285183U - Three-dimensional laser detection device for road and airport pavement - Google Patents
Three-dimensional laser detection device for road and airport pavement Download PDFInfo
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- CN211285183U CN211285183U CN202020588087.XU CN202020588087U CN211285183U CN 211285183 U CN211285183 U CN 211285183U CN 202020588087 U CN202020588087 U CN 202020588087U CN 211285183 U CN211285183 U CN 211285183U
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Abstract
The utility model relates to a road and airport pavement three-dimensional laser detection device, belonging to the field of detection instruments, comprising a laser acquisition instrument, a vertical module, a horizontal module, a suspension bracket and a roller; the roller is positioned right below the suspension bracket; the laser acquisition instrument is fixed on the suspension bracket; the suspension bracket is arranged on the vertical module, and the vertical module is arranged on the horizontal module. The combination of the horizontal module and the vertical module can adjust the height of the laser from the surface of the measured object at will, so as to determine parameters such as laser brightness, effective acquisition width and the like; the PC controls the rotating speed of the roller, so that the accuracy and the repeatability of the test can be tested at any acquisition speed; the surface of the cylinder body of the roller can be provided with simulated pavement diseases, can be used for testing the identification accuracy of identification software on specific diseases, and can effectively control the influence of natural illumination. To sum up, the utility model discloses can better accomplish laser acquisition instrument's demarcation and debugging.
Description
Technical Field
The utility model relates to a detecting instrument field, concretely relates to road and three-dimensional laser detection device of airport pavement.
Background
With the vigorous popularization of the three-dimensional laser detection technology in engineering construction, the application of the laser acquisition instrument is more and more extensive, and the debugging work is more and more normalized. Before installation and in the using process of the three-dimensional laser acquisition instrument, indexes such as sampling frequency, the distance between laser and the surface of a detected object, effective detection width, uniformity of transverse brightness of linear laser, acquisition effect of typical diseases, repeatability verification and the like must be calibrated and debugged.
At present, no mature laser acquisition instrument debugging platform exists in China, and the laser acquisition instrument is usually installed on a vehicle and then tested on an actual road in the prior art. Firstly, it is difficult to ensure the complete consistency of the wheel tracks and the stability of the vehicle speed during the test, and the calibration conditions are inconvenient to control because the stability of the vehicle running speed and the repeatability of the running track can not be ensured. Secondly, it is difficult to find a completely flat road for testing, and the distance between the laser acquisition instrument and the ground is inconvenient to control due to bumping and shaking of the vehicle when the vehicle is debugged and debugged on the acquisition vehicle. Thirdly, the field pavement test is more complicated, the traffic is closed, more manpower and material resources are needed, and the influence of natural light is difficult to eliminate.
Disclosure of Invention
The utility model provides a not enough to prior art, the utility model provides a road and three-dimensional laser detection device of airport pavement further holds the test of collection speed and realization repeatability through PC control cylinder. The adjustment of the distance between the laser and the surface of the detected object and the effective detection width is realized through the combination of the vertical module and the horizontal module, and the uniformity of the transverse brightness of the laser is further realized.
The technical scheme of the utility model is realized like this:
the utility model provides a road and airport pavement three-dimensional laser detection device, which comprises a laser acquisition instrument, a vertical module, a horizontal module, a suspension bracket and a roller; the roller is positioned right below the suspension bracket; the laser acquisition instrument is fixed on the suspension bracket; the suspension bracket is arranged on the vertical module, and the vertical module is arranged on the horizontal module.
The utility model has the preferable technical proposal that the horizontal module comprises a horizontal sliding rail, a horizontal sliding block and a horizontal sliding seat; the horizontal sliding block is provided with a first sliding groove matched with the horizontal sliding rail, and the horizontal sliding block and the horizontal sliding seat are provided with corresponding bolt holes; the horizontal sliding rail is connected with the first sliding groove, and the horizontal sliding block is connected with the horizontal sliding base through a bolt; the vertical module is provided with a sliding seat connecting plate, and the sliding seat connecting plate and the horizontal sliding seat are provided with corresponding bolt holes; the sliding seat connecting plate is connected with the horizontal sliding seat through bolts.
The utility model has the preferable technical proposal that the vertical module also comprises a vertical slide rail, a vertical slide block and a vertical slide seat; the vertical sliding block is provided with a second sliding groove matched with the vertical sliding rail, and the vertical sliding block and the vertical sliding seat are provided with corresponding bolt holes; the vertical sliding rail is connected with the second sliding groove, and the vertical sliding block is connected with the vertical sliding seat through a bolt;
the utility model has the preferable technical proposal that the three-dimensional laser detection device for the road and airport pavement also comprises a base; supporting plates are arranged on the two side plates of the base, and the two side plates and the supporting plates are provided with corresponding bolt holes; the center of the supporting plate is embedded with a roller; a through hole is formed in the center of the roller; the roller comprises a cylinder body and a central shaft; the surface of the cylinder body is provided with a three-dimensional model of typical pavement diseases. The central shaft is matched with the through hole; the side plate is connected with the supporting plate through bolts, and the through hole is matched with the central shaft.
The utility model has the preferable technical proposal that a roller servo motor is fixed on the side plate; one of the supporting plates is also fixed with a distance encoder; the central shaft is connected with the distance encoder and is connected with the roller servo motor through a conveyor belt;
the utility model has the preferable technical proposal that the utility model also comprises a PC provided with a control program, a horizontal control servo motor and a vertical control servo motor; the horizontal control servo motor is provided with a horizontal screw rod and is fixed at one end of the horizontal module; the horizontal module is also fixedly provided with a horizontal screw rod sliding block, and the horizontal screw rod sliding block is internally provided with threads matched with the horizontal screw rod; the horizontal screw rod sliding block is in threaded connection with the horizontal screw rod; the vertical control servo motor is provided with a vertical screw rod and is fixed at one end of the vertical module; the vertical module is also fixedly provided with a vertical screw rod sliding block, and threads matched with the vertical screw rod are arranged in the vertical screw rod sliding block; the vertical screw rod sliding block is in threaded connection with the vertical screw rod; the horizontal control servo motor, the vertical control servo motor and the roller servo motor are all connected with the PC through wires.
The preferred technical proposal of the utility model is that the suspension bracket comprises a fixed top plate, a ribbed plate and a connecting plate; the fixed top plate and the connecting plate are mutually and vertically connected; the ribbed plate is vertically connected with the fixed top plate and is fixedly connected with the connecting plate.
The utility model has the preferable technical proposal that the fixed top plate is provided with a groove corresponding to the mounting hole of the laser collecting instrument; the connecting plate is provided with holes corresponding to the fixing holes on the vertical sliding seat; the fixed top plate is connected with the laser acquisition instrument through bolts, and the connecting plate is connected with the vertical sliding seat through bolts.
The utility model has the preferable technical proposal that the utility model also comprises a truss; the truss comprises a plurality of transverse rods, a plurality of longitudinal rods and truss connection plates; the transverse rod piece is provided with a hole corresponding to the mounting hole at the bottom of the horizontal module; the top of the base is also provided with a top plate, and the top plate is connected with the side plate; the truss is positioned on the base, and the truss connecting plate is fixed between the truss and the base; the horizontal module is connected with the transverse rod piece through a bolt.
The utility model has the advantages that:
the combination of the horizontal module and the vertical module can randomly adjust the height of laser from the surface of a measured object, so as to determine parameters such as laser brightness, effective acquisition width and the like;
secondly, the PC controls the rotating speed of the roller, so that the accuracy and the repeatability of the roller can be tested at any acquisition speed;
thirdly, the surface of the cylinder body of the roller can be provided with simulated pavement diseases, the method can be used for testing the identification accuracy of identification software on specific diseases, and the influence of natural illumination can be effectively controlled.
To sum up, the utility model provides a pair of road and three-dimensional laser detection device of airport pavement can better accomplish the demarcation and the debugging of laser acquisition appearance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of a three-dimensional laser detection device for road and airport pavement provided by the present invention;
fig. 2 is a front view of the three-dimensional laser detection device for road and airport pavement provided by the present invention;
fig. 3 is a cross-sectional view of the three-dimensional laser detection device for road and airport pavement provided by the present invention;
fig. 4 is a B-direction partial enlarged view of the three-dimensional laser detection device for road and airport pavement provided by the utility model.
Fig. 5 is a C-C sectional view of the three-dimensional laser detection device for road and airport pavement provided by the present invention;
fig. 6 is a D-direction partial enlarged view of the three-dimensional laser detection device for road and airport pavement provided by the present invention.
Fig. 7 is a partial view of the roller and the base of the three-dimensional laser detection device for road and airport pavement provided by the present invention.
Fig. 8 is a schematic view of a suspension bracket of a roller of the three-dimensional laser detection device for road and airport pavement.
The reference numerals in the figures are explained below:
1. vertical module 11, slide connecting plate 12, vertical slide rail 13, vertical slider 14, vertical slide 15, vertical control servo motor 151, vertical screw 152, vertical screw slider 2, horizontal module 21, horizontal slide 22, horizontal slider 23, horizontal slide 24, horizontal control servo motor 241, horizontal screw 242, horizontal screw slider 3, suspension bracket 31, fixed top plate 32, ribbed plate 33, connecting plate 4, roller 41, barrel 42, center shaft 43, roller servo motor 5, laser acquisition instrument 6, base 61, top plate 62, side plate 63, support plate 64, roller 65, distance encoder 7, truss 71, transverse rod piece 72, longitudinal rod piece 73, truss connecting plate 8, drag chain connecting plate 8
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, a three-dimensional laser detection device for road and airport pavement comprises a laser collector 5, a vertical module 1, a horizontal module 2, a suspension bracket 3 and a roller 4; the roller 4 is positioned right below the suspension bracket 3; the laser acquisition instrument 5 is fixed on the suspension bracket 3; the suspension bracket 3 is installed on the vertical module 1, and the vertical module 1 is installed on the horizontal module 2. Specifically, laser acquisition instrument 5 is installed on outrigger 3, and outrigger 3 installs on vertical module 1, outrigger 3 can be on vertical module 1 the regulation of going up and down, and then install laser acquisition instrument 5 on outrigger 3 can realize with the control of the distance that detects the object surface, and vertical module 1 installs at horizontal module 2, horizontal slip can be done on horizontal module 2 to vertical module 1 is whole, and further, make outrigger 3 can do the horizontal slip, then laser acquisition instrument 5 can do the horizontally regulation. The roller 4 is positioned right below the laser acquisition instrument 5, and the effect on laser scanning and acquisition is relatively optimal. The roller 4 rotates, and the rotating speed can be controlled by a PC (personal computer) written in a control program, so that the accuracy and the repeatability test at any acquisition speed are realized.
As shown in fig. 2 and 4, the horizontal module 2 includes a horizontal slide rail 21, a horizontal slide block 22 and a horizontal slide seat 23; the horizontal sliding block 22 is provided with a first sliding chute matched with the horizontal sliding rail 21, and the horizontal sliding block 22 and the horizontal sliding seat 23 are provided with corresponding bolt holes; the horizontal sliding rail 21 is connected with the first sliding chute, and the horizontal sliding block 22 is connected with the horizontal sliding seat 23 through a bolt; the vertical module 1 is provided with a slide seat connecting plate 11, and the slide seat connecting plate 11 and the horizontal slide seat 23 are provided with corresponding bolt holes; the carriage connection plate 11 is bolted to the horizontal carriage 23. Specifically, the horizontal module 2 is divided into two, upper and lower, and the two horizontal modules 2 are kept parallel to each other. Both ends all have slide connecting plate 11 about vertical module 1, and the slide connecting plate 11 of upper end is fixed on the horizontal module 2 of upper end, and the slide connecting plate 11 of lower extreme is fixed on the horizontal module 2 of lower extreme. In addition, the horizontal module 2 is also provided with a drag chain 8 which can guide the lead to do directional movement and play a certain protection role.
As shown in fig. 2, 4 and 6, the vertical module 1 further includes a vertical slide rail 12, a vertical slider 13 and a vertical slide 14; the vertical sliding block 13 is provided with a second sliding chute matched with the vertical sliding rail 12, and the vertical sliding block 13 and the vertical sliding seat 14 are provided with corresponding bolt holes; the vertical slide rail 12 is connected with the second sliding groove, and the vertical slide block 13 is connected with the vertical slide seat 14 through a bolt. Specifically, the length of the vertical module 1 should be greater than 1.5m, and the distance between the two horizontal modules 2 is consistent with the length of the vertical module 1. In addition, the vertical module 1 is also provided with a drag chain 8 which can guide the lead to do directional movement and play a certain protection role.
Fig. 7 shows a three-dimensional laser detection device for road and airport pavement, which further comprises a base 6; supporting plates 63 are arranged on two side plates 62 of the base 6, and the two side plates 62 and the supporting plates 63 are provided with corresponding bolt holes; the center of the supporting plate 63 is also embedded with a roller 64; the center of the roller 64 is provided with a through hole; the drum 4 includes a cylinder 41 and a central shaft 42; a three-dimensional model of typical pavement diseases is arranged on the surface of the cylinder body 41; the central shaft 42 is matched with the through hole; the side plate 62 is bolted to the support plate 63, the through hole is matched with the central shaft 42, specifically, the diameter of the cylinder 41 is 50cm, and the central shaft 42 and the test line laser are kept on the same vertical plane.
As shown in fig. 7, a drum servo motor 43 is fixed to the side plate 62; one of the support plates 63 is also fixed with a distance encoder 65; the distance encoder 65 may transmit a rotation angle signal to the laser collector; the right end of the central shaft 42 is connected with a distance encoder 65; the central shaft 42 is connected to a drum servomotor 43 via a belt. In the prior art, the drum servomotor 43 drives the central shaft 42 to move by belt transmission, a belt wheel is mounted on the drum servomotor 43, another belt wheel is correspondingly mounted on the central shaft 42, and the drum servomotor 43 is started to drive the central shaft 42 to rotate by the belt transmission. The diameter of the cylinder 41, the rotating speed of the roller servo motor and the transmission ratio should ensure that the maximum rotating linear speed of the outer diameter of the cylinder 41 is not less than 100 km/h.
As shown in fig. 2 and 4, the system further comprises a PC provided with a control program, a horizontal control servo motor 24 and a vertical control servo motor 15; the horizontal control servo motor 24 is provided with a horizontal screw rod 241 and is fixed at one end of the horizontal module 2; the horizontal module 2 is also fixed with a horizontal screw rod sliding block 242, and the horizontal screw rod sliding block 242 is internally provided with threads matched with the horizontal screw rod 241; the horizontal screw rod sliding block 242 is in threaded connection with the horizontal screw rod 241; specifically, the horizontal screw rod sliding block 242 is fixedly connected with the horizontal sliding base 23, the horizontal control servo motor 24 drives the horizontal screw rod 241, and the horizontal screw rod 241 drives the horizontal sliding base 23 to move horizontally, so that the purpose of driving the suspension bracket 3 to move horizontally is achieved, and further, the laser acquisition instrument 5 is prompted to perform horizontal scanning acquisition.
As shown in fig. 2 and 6, the vertical control servo motor 15 is provided with a vertical screw rod 151 and fixed at one end of the vertical module 1; the vertical module 1 is also fixed with a vertical screw rod sliding block 152, and the vertical screw rod sliding block 152 is internally provided with threads matched with the vertical screw rod 151; the vertical screw rod sliding block 152 is in threaded connection with the vertical screw rod 151; the vertical screw rod sliding block 152 is in threaded connection with the vertical screw rod 151; specifically, vertical lead screw slider 152 and vertical slide 14 fixed connection, vertical control servo motor 15 drive vertical lead screw 151, and vertical slide 14 vertical translation of vertical lead screw 151 drive to realize the purpose of the vertical translation of drive outrigger 3, further, impel the purpose of laser acquisition appearance to the distance that detects the object surface.
The horizontal control servo motor 24, the vertical control servo motor 15 and the roller servo motor 43 are all connected with a PC through wires. A control program capable of controlling the rotation of the servo motors of the vertical module 1, the horizontal module 2 and the roller 4 is arranged in the PC; the movement of the horizontal module 2, the movement of the vertical module 1 and the movement of the roller 4 can be independently controlled respectively by adopting a single chip microcomputer or a PLC control technology in the prior art, and the movement synchronization movement of the two horizontal modules 2 can be kept by the application of the horizontal module 2; the lead and the PC are not displayed in the legend for the moment, and the motion of the vertical module 1 can be accurately positioned according to the preset height; the movement of the roller 4 is to ensure that the line speed of the outermost circle of the roller 4 keeps constant rotation at any speed within the range of 0-100 km/h.
As shown in fig. 8, the suspension bracket includes a fixed top plate 31, a rib plate 32, and a connecting plate 33; the fixed top plate 31 and the connecting plate 33 are vertically connected with each other; the rib plate 32 is vertically connected to the fixed top plate 31 and is fixedly connected to the connecting plate 33. Specifically, the fixed top plate 31 is rectangular, the short side of the rectangle is vertically butted with the connecting plate 33, and the fixed top plate 31 and the connecting plate 33 are connected in a welding manner; the fixed top plate 31 is provided with a countersunk hole, the ribbed plate 32 is in a right trapezoid shape, the side surface of the fixed top plate is provided with a threaded hole corresponding to the fixed top plate 31, and the fixed top plate 31 and the ribbed plate 32 are connected through screws to play a supporting role.
As shown in fig. 8, the fixed top plate 31 is provided with a groove corresponding to the mounting hole of the laser pickup 5; the connecting plate 33 is provided with holes corresponding to the fixing holes on the vertical slide 14; the fixed top plate 31 is connected with the laser acquisition instrument 5 through bolts, and the connecting plate 33 is connected with the vertical sliding seat 14 through bolts.
As shown in fig. 1, 3 and 7, the three-dimensional laser detection device for the road and airport pavement further comprises a truss 7; the truss comprises a plurality of transverse rods 71, longitudinal rods 72 and truss connection plates 73; the transverse rod piece 71 is provided with a hole corresponding to the mounting hole at the bottom of the horizontal module 2; the top of the base 6 is also provided with a top plate 61 which is connected with a side plate 62; truss 7 is located on base 6, and truss connection plate 73 is fixed between truss 7 and base 6; the horizontal module 2 and the cross bar 71 are bolted. Wherein, the height of truss 7 is greater than 1.5m, vertically installs at base 6 top.
The utility model has the advantages that:
the combination of the horizontal module and the vertical module can randomly adjust the height of laser from the surface of a measured object, so as to determine parameters such as laser brightness, effective acquisition width and the like;
secondly, the PC controls the rotating speed of the roller, so that the accuracy and the repeatability of the roller can be tested at any acquisition speed;
thirdly, the surface of the roller body can be provided with simulated pavement diseases, the method can be used for testing the identification accuracy of the identification software on specific diseases, and the influence of natural illumination can be effectively controlled.
To sum up, the utility model provides a pair of road and three-dimensional laser detection device of airport pavement can better accomplish the demarcation and the debugging of laser acquisition appearance.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And any modifications, equivalents, improvements and the like which are obvious and which are made by this disclosure are intended to be included within the scope of the present invention.
Claims (9)
1. The utility model provides a road and three-dimensional laser detection device of airport pavement, includes laser acquisition appearance (5), its characterized in that:
the device also comprises a vertical module (1), a horizontal module (2), a suspension bracket (3) and a roller (4);
the roller (4) is positioned right below the suspension bracket (3);
the laser acquisition instrument (5) is fixed on the suspension bracket (3); the suspension support (3) is arranged on the vertical module (1), and the vertical module (1) is arranged on the horizontal module (2).
2. The three-dimensional laser detection device for the road and airport pavement according to claim 1, wherein:
the horizontal module (2) comprises a horizontal sliding rail (21), a horizontal sliding block (22) and a horizontal sliding seat (23); the horizontal sliding block (22) is provided with a first sliding groove matched with the horizontal sliding rail (21), and the horizontal sliding block (22) and the horizontal sliding seat (23) are provided with corresponding bolt holes;
the horizontal sliding rail (21) is connected with the first sliding groove, and the horizontal sliding block (22) is in bolted connection with the horizontal sliding seat (23);
the vertical module (1) is provided with a sliding seat connecting plate (11), and corresponding bolt holes are formed in the sliding seat connecting plate (11) and the horizontal sliding seat (23); the sliding seat connecting plate (11) is connected with the horizontal sliding seat (23) through bolts.
3. The three-dimensional laser detection device for the road and airport pavement according to claim 2, wherein:
the vertical module (1) further comprises a vertical slide rail (12), a vertical sliding block (13) and a vertical sliding seat (14); the vertical sliding block (13) is provided with a second sliding groove matched with the vertical sliding rail (12), and the vertical sliding block (13) and the vertical sliding seat (14) are provided with corresponding bolt holes;
the vertical sliding rail (12) is connected with the second sliding groove, and the vertical sliding block (13) is connected with the vertical sliding seat (14) through bolts.
4. The three-dimensional laser detection device for the road and airport pavement according to claim 1 or 3, wherein:
also comprises a base (6);
supporting plates (63) are arranged on the two side plates (62) of the base (6), and the two side plates (62) and the supporting plates (63) are provided with corresponding bolt holes; the center of the supporting plate (63) is embedded with a roller (64); a through hole is formed in the center of the roller (64);
the drum (4) comprises a drum body (41) and a central shaft (42);
the surface of the cylinder body (41) is provided with a three-dimensional model of typical pavement diseases;
the central shaft (42) is matched with the through hole;
the side plate (62) is connected with the support plate (63) through bolts, and the through hole is matched with the central shaft (42).
5. The three-dimensional laser detection device for the road and airport pavement according to claim 4, wherein:
a roller servo motor (43) is fixed on the side plate (62);
one of the support plates (63) is also fixed with a distance encoder (65);
the central shaft (42) is connected with the distance encoder (65), and the central shaft (42) is connected with the roller servo motor (43) through a conveyor belt.
6. The three-dimensional laser detection device for the road and airport pavement according to claim 5, wherein:
the device also comprises a PC provided with a control program, a horizontal control servo motor (24) and a vertical control servo motor (15);
the horizontal control servo motor (24) is provided with a horizontal screw rod (241) and is fixed at one end of the horizontal module (2);
a horizontal screw rod sliding block (242) is further fixed on the horizontal module (2), and threads matched with the horizontal screw rod (241) are arranged in the horizontal screw rod sliding block (242);
the horizontal screw rod sliding block (242) is in threaded connection with the horizontal screw rod (241);
the vertical control servo motor (15) is provided with a vertical screw rod (151) and is fixed at one end of the vertical module (1);
a vertical screw rod sliding block (152) is further fixed on the vertical module (1), and threads matched with the vertical screw rod (151) are arranged in the vertical screw rod sliding block (152);
the vertical screw rod sliding block (152) is in threaded connection with the vertical screw rod (151);
the horizontal control servo motor (24), the vertical control servo motor (15) and the roller servo motor (43) are all connected with the PC through wires.
7. The three-dimensional laser detection device for the road and airport pavement according to claim 1, wherein:
the suspension bracket comprises a fixed top plate (31), a rib plate (32) and a connecting plate (33);
the fixed top plate (31) and the connecting plate (33) are mutually and vertically connected; the rib plate (32) and the fixed top plate (31) are mutually and vertically connected and are fixedly connected with the connecting plate (33).
8. The three-dimensional laser detection device for the road and airport pavement according to claim 7, wherein:
the fixed top plate (31) is provided with a groove corresponding to the mounting hole of the laser acquisition instrument (5);
the connecting plate (33) is provided with holes corresponding to the fixing holes on the vertical sliding seat (14);
the fixed top plate (31) is connected with the laser acquisition instrument (5) through bolts, and the connecting plate (33) is connected with the vertical sliding seat (14) through bolts.
9. The three-dimensional laser detection device for the road and airport pavement according to claim 4, wherein:
also comprises a truss (7);
the truss comprises a plurality of transverse rods (71), a plurality of longitudinal rods (72) and truss connection plates (73);
the transverse rod piece (71) is provided with a hole corresponding to the mounting hole at the bottom of the horizontal module (2); the top of the base (6) is also provided with a top plate (61), and the top plate is connected with the side plate (62);
the truss (7) is positioned on the base (6), and the truss connecting plate (73) is fixed between the truss (7) and the base (6);
the horizontal module (2) is connected with the transverse rod piece (71) through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020588087.XU CN211285183U (en) | 2020-04-17 | 2020-04-17 | Three-dimensional laser detection device for road and airport pavement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020588087.XU CN211285183U (en) | 2020-04-17 | 2020-04-17 | Three-dimensional laser detection device for road and airport pavement |
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| CN211285183U true CN211285183U (en) | 2020-08-18 |
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| CN202020588087.XU Active CN211285183U (en) | 2020-04-17 | 2020-04-17 | Three-dimensional laser detection device for road and airport pavement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111395124A (en) * | 2020-04-17 | 2020-07-10 | 广东建科交通工程质量检测中心有限公司 | A three-dimensional laser detection device for road and airport pavement |
-
2020
- 2020-04-17 CN CN202020588087.XU patent/CN211285183U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111395124A (en) * | 2020-04-17 | 2020-07-10 | 广东建科交通工程质量检测中心有限公司 | A three-dimensional laser detection device for road and airport pavement |
| CN111395124B (en) * | 2020-04-17 | 2025-02-25 | 广东建科交通工程质量检测中心有限公司 | A three-dimensional laser detection device for roads and airport pavements |
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