CN110644336B - Multifunctional detection vehicle - Google Patents
Multifunctional detection vehicle Download PDFInfo
- Publication number
- CN110644336B CN110644336B CN201911026642.8A CN201911026642A CN110644336B CN 110644336 B CN110644336 B CN 110644336B CN 201911026642 A CN201911026642 A CN 201911026642A CN 110644336 B CN110644336 B CN 110644336B
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- support
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- 238000001514 detection method Methods 0.000 title claims abstract description 22
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 230000008093 supporting effect Effects 0.000 claims description 75
- 230000000670 limiting effect Effects 0.000 claims description 8
- 238000007689 inspection Methods 0.000 claims 5
- 238000000034 method Methods 0.000 abstract description 12
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/01—Devices or auxiliary means for setting-out or checking the configuration of new surfacing, e.g. templates, screed or reference line supports; Applications of apparatus for measuring, indicating, or recording the surface configuration of existing surfacing, e.g. profilographs
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses a multifunctional detection vehicle, which comprises a vehicle body and a three-dimensional scanner arranged at the rear end of the vehicle body, wherein a mounting hole penetrating through a chassis of the vehicle body is formed in the vehicle body, and a drop hammer type deflection instrument is arranged on the mounting hole; the drop hammer type deflection instrument comprises a door frame-shaped support and a drop hammer device, wherein two lifting hydraulic cylinders are arranged on the door frame-shaped support, a bearing plate and two connecting arms fixed on the bearing plate are arranged on the drop hammer device, and piston rods of the two lifting hydraulic cylinders are respectively connected with the two connecting arms. The drop hammer type deflection instrument and the three-dimensional scanner are integrated on the detection vehicle, and the detection of the road surface condition can be realized in the running process of the vehicle at the speed of hundreds of kilometers by matching with a unique control system.
Description
Technical Field
The invention relates to the technical field of road detection, in particular to a multifunctional detection vehicle.
Background
With the perfection of detection technology, more and more road detection vehicles have appeared, and the photoelectric technology, the IT technology and the 3S technology are integrated by taking a motor vehicle as a platform. Under the normal running state of the vehicle, the data acquisition, analysis, classification and storage of road surface images, road surface shapes, road facility stereoscopic images, flatness, road geometric parameters and the like can be automatically completed. The method provides an effective data acquisition means for detecting the damage, flatness, ruts and potential safety hazards of the pavement such as expressways, high-grade roads, municipal roads, airport runways and the like and for digitally managing the road auxiliary facilities.
The existing detection vehicle has incomplete functions, and is difficult to complete the detection of all parameters at one time.
Disclosure of Invention
The invention aims to provide a multifunctional detection vehicle which has the advantage of being capable of detecting both road surface flatness and road surface bearing capacity.
The technical aim of the invention is realized by the following technical scheme:
The multifunctional detection vehicle comprises a vehicle body and a three-dimensional scanner arranged at the rear end of the vehicle body, wherein a mounting hole penetrating through a chassis of the vehicle body is formed in the vehicle body, and a drop hammer type deflection instrument is arranged on the mounting hole; the drop hammer type deflection instrument comprises a door frame-shaped support and a drop hammer device, wherein two lifting hydraulic cylinders are arranged on the door frame-shaped support, a bearing plate and two connecting arms fixed on the bearing plate are arranged on the drop hammer device, and piston rods of the lifting hydraulic cylinders are respectively connected with the two connecting arms.
The setting is with falling weight deflectometer and three-dimensional scanner together integrate to detect on the car, so, can realize detecting road surface roughness, also can detect road surface bearing capacity through falling weight deflectometer, when using falling weight deflectometer, make falling weight device descend until with ground contact through the lift pneumatic cylinder, then start falling weight device and make falling weight on it rise to the settlement high after, the free falling hammering can accomplish the detection on the loading board.
Further preferred are: the door frame-shaped support is fixed on a frame, and safety locks for supporting the bearing plates are arranged on the frames positioned on two sides of the drop hammer device.
So set up, through the setting of safety lock, when the circumstances such as hydraulic system out of control take place, can play the support loading board, prevent that it from taking place to drop when not using.
Further preferred are: the safety lock comprises two bases fixed on a frame, a rotating shaft rotatably connected to the two bases, a rotating arm radially fixed on the rotating shaft along the rotating shaft, a driving hydraulic cylinder connected with the rotating arm, and two supporting grippers fixed on the rotating shaft.
The hydraulic cylinder drives the rotating shaft to rotate, so that the supporting gripper is driven to overturn, and after the supporting gripper overturns towards the drop hammer device, the supporting gripper can be on the lifting path of the bearing plate, so that the bearing plate can be supported when the bearing plate is located above the supporting gripper.
Further preferred are: one side of the supporting grip is provided with a supporting pin in a protruding mode, and one side of the supporting grip, provided with the supporting pin, is in butt joint with the side face of the base.
So set up, when using the support tongs to support, the backing pin can support at the base to play the restriction and support the tongs and continue to take place the upset, and then can improve the supporting effect who supports the tongs, simultaneously, can reduce the load to the drive pneumatic cylinder in the supporting process.
Further preferred are: the safety lock comprises a base fixed on a frame, a connecting shaft fixed on the base, a support gripper rotationally connected on the connecting shaft, a torsion spring for keeping the support gripper at a support station and a support hydraulic cylinder arranged on the support gripper, wherein the support gripper is propped against one side of the base, the support hydraulic cylinder is positioned on one side of the support gripper deviating from the base, a through hole penetrating through the support gripper is formed in the support gripper, and a piston rod of the support hydraulic cylinder is inserted into the through hole and can extend out of the through hole to form a support pin.
The setting like this, when needs support the loading board, start and support the pneumatic cylinder and make its telescopic link stretch out from the through-hole in forming the supporting pin, so, when the loading board wants to support tongs application of force, can support the loading board under the supporting pin effect. When the supporting effect of the supporting grippers on the bearing plate is required, the supporting hydraulic cylinder is started to enable the telescopic rods of the supporting hydraulic cylinder to retract into the through holes, so that the supporting grippers can turn upwards or downwards when being accepted, and the lifting of the bearing plate cannot be affected. The supporting station is a position where the telescopic rod of the supporting hydraulic cylinder can extend out of the through hole, and the supporting plate can touch the supporting grip when moving to the height of the supporting grip.
Further preferred are: the support tongs all are provided with the holding tank that is used for accomodating the torsional spring with the base opposite one side.
So set up, realize the installation to the torsional spring.
Further preferred are: one end of the connecting shaft is connected with a limiting cover for limiting the supporting grip through bolts.
So set up, will support the tongs through spacing lid and install on the connecting axle.
Further preferred are: the safety locks are arranged on two sides of the drop hammer device in groups of four pairs.
So set up, set up the quantity of sufficient installation lock, have more stable bearing structure.
Further preferred are: the end part of the supporting grip is arranged in a V shape.
So set up, the structure of V-arrangement setting, except can play the support to accepting the board, can also form certain limiting effect to accepting the both sides of board, fall the hammer device in normal driving in-process and can be comparatively stable.
Further preferred are: the three-dimensional scanner comprises a CCD camera, a line laser transmitter and an angle sensor, wherein the CCD camera and the angle sensor are connected with a data acquisition device.
So set up, adopt linear laser emitter, cooperate the CCD camera detection data of grid cell formula, at first, can effectually reduce the quantity of laser emitter, in addition, the scanning of grid can strictly give the whole row database of the elevation data of every grid cell that is big too centimetre little to sub-millimeter, makes its detection accuracy can reach 1 millimeter to strictly give the three-dimensional situation of any road surface. And because of the adoption of the linear laser transmitter, the real profile curve and flatness can be quickly and accurately obtained based on the profile elevation data, and the three-dimensional image can be directly generated by inputting the acquired data into a computer. In the driving process, the angle information detected by the angle sensor corresponds to the bump condition in the driving process, and the position of the road light bar is compensated through the angle information, so that the interference formed by bump is effectively reduced.
In summary, the invention has the following beneficial effects:
1. The flatness of the pavement and the bearing capacity of the pavement can be detected;
2. when the drop hammer type deflection instrument is not used, the drop hammer type deflection instrument can be limited through the safety lock, so that the drop hammer device can be prevented from descending, and meanwhile, the drop hammer device can be limited and the shaking of the drop hammer device in the running process of a vehicle can be reduced.
Drawings
Fig. 1 is a configuration diagram of a first embodiment;
Fig. 2 is a second outline configuration diagram of the first embodiment;
FIG. 3 is a partial cross-sectional view of the first embodiment;
FIG. 4 is a schematic view of the structure of a drop hammer type deflectometer in the first embodiment;
FIG. 5 is a schematic view of the structure of the safety lock in the first embodiment;
FIG. 6 is a schematic diagram of the structure of a safety lock in the second embodiment;
Fig. 7 is a schematic diagram of the operation of the three-dimensional scanner.
In the figure, 100, a vehicle body; 110. a mounting hole; 200. a three-dimensional scanner; 210. a CCD camera; 220. a line laser emitter; 230. a mounting frame; 300. drop hammer type deflection instrument; 310. a frame; 320. a door frame-shaped bracket; 330. a drop hammer device; 331. a carrying plate; 3331. a connecting arm; 400. a lifting hydraulic cylinder; 500. a safety lock; 510. a base; 520. a rotating shaft; 530. a rotating arm; 540. driving a hydraulic cylinder; 550. a support grip; 551. a support pin; 560. a connecting shaft; 570. a torsion spring; 580. supporting a hydraulic cylinder; 590. and a limit cover.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Example 1:
A multifunctional detection vehicle is shown in fig. 1, and comprises a vehicle body, a three-dimensional scanner and a drop hammer type deflection instrument.
The three-dimensional scanner is installed at the rear end of the vehicle body and comprises a CCD camera, a line laser transmitter and an angle sensor, a mounting frame is fixedly arranged at the rear end of the vehicle body, and the CCD camera is fixedly installed on the mounting frame. The line laser transmitter and the angle sensor are arranged on the chassis at the rear end of the vehicle body, and the line laser transmitter and the angle sensor are arranged in a splayed mode. When the device is used, the linear laser emitter projects linear laser onto a road surface to be detected, the strip-shaped light bar is modulated by the three-dimensional information of the road surface and then imaged on the CCD camera, so that the data information of one vertical section is obtained, and the detection vehicle moves along with the light bar in the running process, so that the data information of each vertical section is obtained.
In the driving process, the angle information detected by the angle sensor corresponds to the bump condition in the driving process, and the position of the road light bar is compensated through the angle information, so that the interference formed by bump is effectively reduced.
The CCD camera and the angle sensor are connected to a data collector, and when in use, the computer is connected to the detection vehicle to connect the detection vehicle with the data collector, so that the data information on the CCD camera and the angle sensor can be directly sent to the computer after the acquisition is completed, and the position of the road light bar is compensated according to the angle information, so that the data information is directly displayed and processed on the computer in the driving process.
As shown in fig. 2 and 3, a mounting hole penetrating through the chassis of the vehicle body is provided in the vehicle body, and the drop hammer type deflectometer is mounted on the mounting hole.
Referring to fig. 4, the drop hammer deflectometer includes a frame fixedly mounted on a chassis of a vehicle body, a door frame-shaped bracket fixed on the frame, and a drop hammer device.
The drop hammer device is provided with a bearing plate, two connecting arms are fixedly arranged on the bearing plate, two lifting hydraulic cylinders are fixedly arranged on the door frame-shaped support, piston rods of the two lifting hydraulic cylinders are upwards arranged, and piston rod end parts of the two lifting hydraulic cylinders are respectively connected with the upper ends of the two connecting arms.
Safety locks for supporting the bearing plates are arranged on the frames positioned on the two sides of the drop hammer device. Referring to fig. 4 and 5, the safety lock includes a base fixed on the frame, a rotation shaft, a rotation arm, a driving hydraulic cylinder and a supporting grip, two bases in each mounting lock are provided, the two bases are fixedly installed on the frame, and the rotation shaft is rotatably installed on the two bases.
The rotating arm is fixedly connected to the rotating shaft and is arranged along the radial direction of the rotating shaft. One end of the driving hydraulic cylinder is rotationally connected to the frame, and the other end of the driving hydraulic cylinder is rotationally connected with one end of the rotating arm far away from the rotating shaft.
The support tongs are provided with two, and two support tongs are fixed in the axis of rotation, and set up about the central plane symmetry of axis of rotation, support the one end tip that the axis of rotation was kept away from to the tongs and be V-arrangement.
One side of the supporting grip is convexly provided with a supporting pin, and one side of the supporting grip provided with the supporting pin is abutted with the side face of the base.
Working principle:
The drop hammer type deflection instrument and the three-dimensional scanner are integrated on the detection vehicle, so that the road surface flatness can be detected, and the road surface bearing capacity can be detected through the drop hammer type deflection instrument. When the falling weight deflectometer is used, the falling weight device is enabled to descend until the falling weight device contacts with the ground through the lifting hydraulic cylinder, then the falling weight device is started to enable the falling weight on the falling weight device to ascend to a set height, free falling hammering can be completed on the bearing plate, the safety lock is arranged, and when the hydraulic system is out of control and the like, the bearing plate can be supported, and the falling of the falling weight device is prevented when the falling weight device is not used.
When the installation lock is used, the hydraulic cylinder is driven to drive the rotating shaft to rotate, so that the supporting gripper is driven to overturn, and after the supporting gripper overturns towards the drop hammer device, the supporting gripper can be on the lifting path of the bearing plate, so that the bearing plate can be supported when the bearing plate is positioned above the supporting gripper. When using the support tongs to support, the backing pin can support at the base to play the restriction and support the tongs and continue to take place the upset, and then can improve the supporting effect who supports the tongs, simultaneously, can reduce the load to the drive pneumatic cylinder in the supporting process.
Example 2:
Referring to fig. 6, the difference from embodiment 1 is that four safety locks are fixedly installed on the frame and are disposed on both sides of the drop hammer device in groups of two.
The safety lock comprises a base, a connecting shaft, a supporting grip, a torsion spring and a supporting hydraulic cylinder, and the base is fixedly arranged on the frame.
The connecting shaft is fixedly arranged on the base, the supporting grip is sleeved on the rotating shaft to enable the supporting grip to rotate around the rotating shaft, threads are arranged at the end part of the rotating shaft, a limiting cover is connected to the rotating shaft in a threaded manner, and the supporting grip is axially limited on the rotating shaft through the limiting cover.
The torsional spring is sleeved on the connecting shaft, one side of the supporting grip opposite to the base is provided with a containing groove, one end of the torsional spring is inserted into the containing groove on the supporting grip, and the other end of the torsional spring is inserted into the containing groove on the base, so that the supporting grip and the base are guaranteed to be well attached.
The supporting hydraulic cylinder is fixedly arranged on the supporting grip, a through hole penetrating through the supporting grip is formed in the supporting grip, and a piston rod of the supporting hydraulic cylinder is inserted into the through hole and can extend out of the through hole to form a supporting pin.
Working principle:
When the bearing plate is required to be supported, the supporting hydraulic cylinder is started to enable the telescopic rod of the supporting hydraulic cylinder to extend out of the through hole to form a supporting pin, so that the bearing plate can be supported under the action of the supporting pin when the bearing plate wants to support the hand grip for applying force. When the supporting effect of the supporting grippers on the bearing plate is required, the supporting hydraulic cylinder is started to enable the telescopic rods of the supporting hydraulic cylinder to retract into the through holes, so that the supporting grippers can turn upwards or downwards when being accepted, and the lifting of the bearing plate cannot be affected. The supporting station is a position where the telescopic rod of the supporting hydraulic cylinder can extend out of the through hole, and the supporting plate can touch the supporting grip when moving to the height of the supporting grip.
The embodiments of the present invention are all preferred embodiments of the present invention, and are not intended to limit the scope of the present invention in this way, therefore: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.
Claims (6)
1. The utility model provides a multi-functional detection car, includes the vehicle body, characterized by: a three-dimensional scanner is arranged at the rear end of the vehicle body; the vehicle body is internally provided with a mounting hole penetrating through the chassis of the vehicle body, and the mounting hole is provided with a drop hammer type deflection instrument; the drop hammer type deflection instrument comprises a door frame-shaped bracket and a drop hammer device, wherein two lifting hydraulic cylinders are arranged on the door frame-shaped bracket, a bearing plate and two connecting arms fixed on the bearing plate are arranged on the drop hammer device, and piston rods of the two lifting hydraulic cylinders are respectively connected with the two connecting arms;
The door frame-shaped bracket is fixed on a frame, and safety locks for supporting the bearing plates are arranged on the frames positioned on two sides of the drop hammer device;
the safety lock comprises two bases fixed on the frame, a rotating shaft rotatably connected to the two bases, a rotating arm radially fixed on the rotating shaft along the rotating shaft, a driving hydraulic cylinder connected with the rotating arm, and two supporting grippers fixed on the rotating shaft;
One side of the supporting grip is convexly provided with a supporting pin, and the side of the supporting grip provided with the supporting pin is abutted with the side surface of the base;
The safety lock comprises a base fixed on a frame, a connecting shaft fixed on the base, a support gripper rotationally connected on the connecting shaft, a torsion spring for keeping the support gripper at a support station and a support hydraulic cylinder arranged on the support gripper, wherein the support gripper is propped against one side of the base, the support hydraulic cylinder is positioned on one side of the support gripper deviating from the base, a through hole penetrating through the support gripper is formed in the support gripper, and a piston rod of the support hydraulic cylinder is inserted into the through hole and can extend out of the through hole to form a support pin.
2. The multifunctional inspection vehicle of claim 1, wherein: the support tongs all are provided with the holding tank that is used for accomodating the torsional spring with the base opposite one side.
3. The multifunctional inspection vehicle of claim 1, wherein: one end of the connecting shaft is connected with a limiting cover for limiting the supporting grip through bolts.
4. The multifunctional inspection vehicle of claim 1, wherein: the safety locks are arranged on two sides of the drop hammer device in groups of four pairs.
5. The multifunctional inspection vehicle of claim 1, wherein: the end part of the supporting grip is arranged in a V shape.
6. The multifunctional inspection vehicle of claim 1, wherein: the three-dimensional scanner comprises a CCD camera, a line laser transmitter and an angle sensor, wherein the CCD camera and the angle sensor are connected with a data acquisition device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911026642.8A CN110644336B (en) | 2019-10-26 | 2019-10-26 | Multifunctional detection vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911026642.8A CN110644336B (en) | 2019-10-26 | 2019-10-26 | Multifunctional detection vehicle |
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| CN110644336A CN110644336A (en) | 2020-01-03 |
| CN110644336B true CN110644336B (en) | 2024-06-07 |
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| CN201911026642.8A Active CN110644336B (en) | 2019-10-26 | 2019-10-26 | Multifunctional detection vehicle |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113029827B (en) * | 2021-02-10 | 2023-08-25 | 郑州东辰科技有限公司 | South-to-north water is under water with falling hammer formula deflection measuring device |
| CN112858047B (en) * | 2021-02-10 | 2023-08-25 | 郑州东辰科技有限公司 | Drop hammer type deflection measuring device |
| CN113804866B (en) * | 2021-09-15 | 2024-05-07 | 山西路桥第七工程有限公司 | Roadbed pavement deflection detection device |
| CN115162117B (en) * | 2022-04-09 | 2023-10-24 | 安徽佳启建筑有限公司 | Semi-automatic acceptance inspection equipment for municipal road construction |
| CN115182221B (en) * | 2022-08-03 | 2024-03-15 | 洛阳理工学院 | Full-automatic roadbed and pavement rebound deflection tester and test method |
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| CN110644336A (en) | 2020-01-03 |
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