Vehicle-mounted drop hammer deflectometer
By introducing a sliding plate and a warning system into the vehicle-mounted falling weight deflectometer, the problems of sensor contamination and collision were solved, and the protection and safe detection of the sensor were achieved.
Patent Information
- Application Number
- CN202422992019.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-04
AI Technical Summary
Existing vehicle-mounted falling weight deflectometers are susceptible to sensor adhesion to mud and water, which can affect the test results, and they are also prone to collisions with other vehicles during testing.
A vehicle-mounted falling weight deflectometer was designed, which adopts a structure of sliding plate, second spur gear, second rotary motor, chute and third spur gear to protect the sensor from mud and water, while warning other vehicles through signs and flashing lights to avoid collisions.
It effectively protects the sensor from mud and water contamination, reduces the frequency of cleaning, lowers the risk of collision, and ensures the accuracy of the test results.
Smart Images
Figure CN223597357U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to traffic transportation engineering technical field, concretely is a kind of vehicle-mounted drop hammer type deflectometer. BACKGROUND
[0002] Drop hammer type deflectometer is a kind of impulse power deflectometer, with no damage, fast speed, high precision and other advantages, by simulating the effect of driving load, the result obtained is deflection basin data, application range is mainly in road maintenance management, current drop hammer type deflectometer is mostly in the form of vehicle-mounted, i.e. fixedly installed on minivan, to improve the flexibility of instrument mobile test, while the instrument can be protected.
[0003] But existing vehicle-mounted drop hammer type deflectometer is usually installed at the bottom of vehicle chassis, and when not in use, it is also directly exposed at the bottom of chassis, and since the instrument has precise sensor and other measuring elements in addition to drop hammer and other structures, long-time exposure at the bottom of vehicle is prone to mud adhesion splashed in the process of vehicle driving, resulting in that sensor at the bottom of instrument chassis needs to be cleaned frequently, and if not cleaned thoroughly, it is also prone to affect the detection result;In addition, existing vehicle-mounted drop hammer type deflectometer usually needs to drive to the middle of road to detect road surface, and during detection process, vehicle needs to keep in stop state, and since there are other vehicles driving on road, if there is no eye-catching sign to remind, collision with other vehicles is prone to occur, affecting normal detection of instrument. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a kind of vehicle-mounted drop hammer type deflectometer to solve the problems raised in the above background.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of vehicle-mounted drop hammer type deflectometer, including carrying vehicle, recess is set up in the both sides outer wall of the carrying vehicle, the inside of the recess is equipped with connecting plate, one end of the connecting plate is fixedly connected with signboard, the front of the signboard is installed with flasher, the one side of the recess is fixedly installed with first rotary motor, the output of the first rotary motor is fixedly connected with first spur gear, the inside of the carrying vehicle is fixedly installed with drop hammer deflectometer, the one side of the bottom end of the drop hammer deflectometer is fixedly installed with sensor rack, the bottom of the drop hammer deflectometer and sensor rack is equipped with sliding plate, the both side walls of the sliding plate are fixedly connected with rack, the chassis of the carrying vehicle is equipped with sliding slot, the middle part of the both sides of the sliding slot is equipped with second spur gear and third spur gear respectively.
[0006] Preferably, one end of the connecting plate is fixedly connected with a rotating shaft, the top end of the rotating shaft is fixedly connected with a gear ring, the first spur gear is in meshing connection with the gear ring, and the connecting plate is in rotating connection with the groove through the gear ring.
[0007] Preferably, one side of the sliding groove is fixedly connected with a fixed plate, and the sliding plate is in sliding engagement with the fixed plate.
[0008] Preferably, the second spur gear is fixedly connected with the output end of the second rotary motor, the second rotary motor is installed on one side of the sliding groove, the second spur gear is in meshing connection with the rack, and the sliding plate is in sliding connection with the sliding groove through the second spur gear.
[0009] Preferably, the inside of the connecting plate is installed with a controller, and the controller is in electrical connection with the flashing light and the first rotary motor.
[0010] Preferably, the sliding plate is located below the sensor frame and the falling weight deflectometer body.
[0011] Preferably, the third spur gear is in meshing connection with the other side of the sliding plate through the rack.
[0012] Compared with the prior art, the car-mounted falling weight deflectometer has the following beneficial effects:
[0013] 1. The car-mounted falling weight deflectometer is provided with a sliding plate, a second spur gear, a second rotary motor, a sliding groove and a third spur gear, so that the precise measuring elements such as sensors located at the vehicle chassis of the deflectometer can be protected by the sliding plate when not in use, the sensors are not easily adhered by splashing mud during the driving of the vehicle, the frequency of cleaning the sensors at the bottom of the vehicle is reduced, the sensors can be easily cleaned, and the adverse effects of mud on the detection results of the sensors are reduced.
[0014] 2. The car-mounted falling weight deflectometer is provided with an indicator, a connecting plate, a flashing light, a first spur gear and a first rotary motor, when the vehicle carrying the falling weight deflectometer is parked at a relatively middle position of the road, the indicator and other structures are unfolded from both sides of the vehicle, the flashing red and blue light on the indicator can warn the vehicles driving behind and on both sides of the vehicle carrying the deflectometer, so that the probability of collision between other vehicles and the vehicle during the parking detection is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0015] Fig. 1 It is a whole structure schematic view of the utility model;
[0016] Fig. 2 It is an indicator and lamp strip structure schematic view of the utility model;
[0017] Fig. 3 It is the second rotating motor and the second spur gear structure schematic view of the utility model;
[0018] Fig. 4 It is the recess and the chute structure schematic view of the utility model.
[0019] In the figure: 1, the carrying vehicle; 2, the signboard; 3, the flash lamp; 4, the connecting plate; 5, the controller; 6, the gear ring; 7, the rotating shaft; 8, the first spur gear; 9, the first rotating motor; 10, the falling hammer deflectometer body; 11, the sliding plate; 12, the fixed plate; 13, the sensor frame; 14, the rack; 15, the second spur gear; 16, the second rotating motor; 17, the third spur gear; 18, the recess; 19, the chute. DETAILED DESCRIPTION
[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.
[0021] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like is the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0022] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0023] As Figs. 1 to 4As shown, the vehicle-mounted falling weight deflection instrument of the embodiment comprises a carrier vehicle 1, recesses 18 are formed on the outer walls of the two sides of the carrier vehicle 1, connecting plates 4 are arranged on the inner sides of the recesses 18, one end of each connecting plate 4 is fixedly connected with an indicator board 2, a flashing light 3 is mounted on the front surface of the indicator board 2, a first rotary motor 9 is fixedly installed on one side of each recess 18, the output end of the first rotary motor 9 is fixedly connected with a first spur gear 8, a falling weight deflection instrument is fixedly installed in the carrier vehicle 1, a sensor rack 13 is fixedly installed on one side of the bottom end of the falling weight deflection instrument, a sliding plate 11 is arranged on the bottom of the falling weight deflection instrument and the sensor rack 13, a rack 14 is fixedly connected with the two side walls of the sliding plate 11, a second spur gear 15 and a third spur gear 17 are arranged in the middle of the two sides of a sliding groove 19 formed on the chassis of the carrier vehicle 1.
[0024] Specifically, a carriage with a large space is arranged in the carrier vehicle 1 for mounting and fixing the falling weight deflection instrument, the recesses 18 are used for conveniently storing the connecting plates 4 and the indicator boards 2, so that the connecting plates 4 and the indicator boards 2 can be attached to the outer sides of the vehicle when not in use, thereby reducing the wind resistance generated by the normal driving of the vehicle, the flashing light 3 can cooperate with the indicator board 2 to warn and remind the surrounding vehicles, the first rotary motor 9 can engage the first spur gear 8 to rotate after being powered on, thereby realizing the rotation of the first spur gear 8 to the rotating shaft 7, the sliding plate 11 is far away from the bottom of the falling weight and the sensor rack 13, so that the sliding plate 11 will not interfere with the sensors on the sensor rack 13 and the falling weight on the falling weight deflection instrument when sliding in the horizontal direction, thereby realizing the horizontal sliding of the sliding plate 11 and the opening of the chassis of the vehicle, the rack 14 can be engaged by the second spur gear 15 and the third spur gear 17, thereby realizing the movement of the sliding plate 11 in the horizontal direction, and the sliding groove 19 can make the sliding plate 11 slide horizontally at the bottom of the carrier vehicle 1 according to the predetermined path, thereby facilitating the stability of the sliding plate 11 when sliding horizontally.
[0025] Further, one end of each connecting plate 4 away from the indicator board 2 is fixedly connected with a rotating shaft 7, the top end of the rotating shaft 7 is fixedly connected with a gear ring 6, the first spur gear 8 is engaged with the gear ring 6, and the connecting plate 4 is rotatably connected with the recess 18 through the gear ring 6, the function of the rotating shaft 7 is to make the connecting plate 4 rotate along the inner side of the recess 18, thereby realizing the rotation of the connecting plate 4 to drive the indicator board 2 out of the recess 18, so that the connecting plate 4 and the indicator board 2 can be unfolded on the two sides of the vehicle to warn and remind the surrounding vehicles.
[0026] Further, one side inner wall of the sliding groove 19 is fixedly connected with a fixed plate 12, the sliding plate 11 is slidingly engaged with the fixed plate 12, and the function of the fixed plate 12 is to effectively reduce the displacement length of the sliding plate 11, so that the chassis of the carrier vehicle 1 can have space to realize the horizontal sliding of the sliding plate 11.
[0027] Further, the second spur gear 15 is fixedly connected with the output end of the second rotary motor 16, the second rotary motor 16 is installed on one side of the sliding groove 19, the second spur gear 15 is in meshing connection with the rack 14, the sliding plate 11 is in sliding connection with the sliding groove 19 through the second spur gear 15, when the drop hammer and the sensor frame 13 are to be lowered from the bottom of the vehicle 1, the sliding plate 11 can be horizontally slid to the other side of the sliding groove 19 through the second spur gear 15 and the second rotary motor 16, so that the bottom of the drop hammer and the sensor frame 13 is in an open state, thereby reducing the interference caused by the normal falling of the drop hammer and the sensor frame 13.
[0028] Further, the inside of the connecting plate 4 is installed with the controller 5, the controller 5 is in electrical connection with the flashing light 3 and the first rotary motor 9, the controller 5 can receive the signal of the vehicle system after the vehicle 1 is stopped, and control the first rotary motor 9 to rotate, while the flashing light 3 is powered on.
[0029] Further, the sliding plate 11 is located below the sensor frame 13 and the drop hammer deflection instrument body 10, the main function of the sliding plate 11 is to protect the sensors on the sensor frame 13 and the drop hammer, so as to reduce the mud splashed to the chassis during the vehicle driving process from adhering to the sensors and the drop hammer.
[0030] Further, the third spur gear 17 is in meshing connection with the other side of the sliding plate 11 through the rack 14, the meshing of the third spur gear 17 and the other side of the sliding plate 11 with the rack 14 can increase the stability of the sliding plate 11 when sliding in the sliding groove 19, thereby facilitating the horizontal sliding of the sliding plate 11 along the sliding groove 19.
[0031] The use method of the embodiment is: when using the vehicle-mounted drop hammer deflection instrument, the vehicle 1 will be stopped in the middle of the road to be detected, then the controller 5 in the connecting plate 4 will receive the signal sent by the vehicle system, control the first rotary motor 9 to start, so that the first rotary motor 9 drives the first spur gear 8 to rotate, so that the first spur gear 8 meshes with the gear ring 6 to rotate, drives the rotating shaft 7 fixed with the gear ring 6 to rotate in the groove 18, so that the connecting plate 4 drives the indicator 2 to rotate out of the groove 18, at the same time, the flashing light 3 on the indicator 2 will flash to warn the passing vehicles, then the second rotary motor 16 will start to drive the second spur gear 15 to rotate, so that the second spur gear 15 meshes with the rack 14 on one side wall of the sliding plate 11 to rotate, then the sliding plate 11 will slide horizontally along the sliding groove 19, at the same time, the third spur gear 17 will mesh with the rack 14 on the other side wall of the sliding plate 11 to rotate, so that the two sides of the sliding plate 11 can keep synchronous during the sliding process, then the sliding plate 11 will slide away from below the sensor frame 13 and the drop hammer, so that the sensor frame 13 and the drop hammer can normally fall from the chassis at the bottom of the vehicle.
[0032] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.
Claims
1. A vehicle mounted falling weight deflectometer comprising a transport vehicle (1) characterised in that: Both sides of the carrying vehicle (1) are provided with grooves (18), the inner side of the groove (18) is provided with a connecting plate (4), one end of the connecting plate (4) is fixedly connected with a signboard (2), the front surface of the signboard (2) is provided with a flash light (3), one side of the groove (18) is fixedly provided with a first rotary motor (9), the output end of the first rotary motor (9) is fixedly connected with a first spur gear (8), the inside of the carrying vehicle (1) is fixedly provided with a falling weight deflectometer body (10), one side of the bottom end of the falling weight deflectometer body (10) is fixedly provided with a sensor rack (13), the bottom of the falling weight deflectometer body (10) and the sensor rack (13) is provided with a sliding plate (11), both side walls of the sliding plate (11) are fixedly connected with a rack (14), the bottom plate of the carrying vehicle (1) is provided with a sliding groove (19), the middle part of both sides of the sliding groove (19) is respectively provided with a second spur gear (15) and a third spur gear (17).
2. A vehicle mounted falling weight deflectometer according to claim 1, characterised in that: The end of the connecting plate (4) away from the signboard (2) is fixedly connected with a rotating shaft (7), the top end of the rotating shaft (7) is fixedly connected with a gear ring (6), the first spur gear (8) is meshed with the gear ring (6), the connecting plate (4) is rotatably connected with the groove (18) through the gear ring (6).
3. The vehicle mounted falling weight deflectometer according to claim 1, wherein: The inner wall of one side of the sliding groove (19) is fixedly connected with a fixed plate (12), the sliding plate (11) is slidingly engaged with the fixed plate (12).
4. The vehicle mounted falling weight deflectometer according to claim 1, wherein: The second spur gear (15) is fixedly connected with the output end of a second rotary motor (16), the second rotary motor (16) is installed on one side of the sliding groove (19), the second spur gear (15) is meshed with the rack (14), the sliding plate (11) is slidingly connected with the sliding groove (19) through the second spur gear (15).
5. The vehicle mounted falling weight deflectometer according to claim 1, wherein: The inside of the connecting plate (4) is provided with a controller (5), the controller (5) is electrically connected with the flash light (3) and the first rotary motor (9).
6. The vehicle mounted falling weight deflectometer according to claim 1, wherein: The sliding plate (11) is located below the sensor rack (13) and the falling weight deflectometer body (10).
7. The vehicle mounted falling weight deflectometer according to claim 1, wherein: The third spur gear (17) is meshed with the other side of the sliding plate (11) through the rack (14).