CN217403429U

CN217403429U - Asphalt pavement flatness detection device

Info

Publication number: CN217403429U
Application number: CN202221103674.0U
Authority: CN
Inventors: 贾金良; 朱忠林
Original assignee: Anhui Kaiyuan Highway And Bridge Co ltd; China Coal No 3 Construction Group Co Ltd
Current assignee: Anhui Kaiyuan Highway And Bridge Co ltd; China Coal No 3 Construction Group Co Ltd
Priority date: 2022-05-10
Filing date: 2022-05-10
Publication date: 2022-09-09
Anticipated expiration: 2032-05-10

Abstract

The utility model relates to an asphalt pavement evenness detection device, which comprises a movable frame, wherein a detection rod is arranged on the movable frame in a sliding manner, detection balls are arranged at the vertical lower ends of the detection rod, the detection balls are contacted with asphalt pavement, a distance sensor is arranged at the upper end of the detection rod, the detection end of the distance sensor is vertically downward, a detection substrate is arranged below the detection end of the distance sensor, when the asphalt pavement evenness is detected, the detection rod is arranged on the movable frame, the detection rod is vertically and slidably arranged on the movable frame, the detection balls at the lower end of the detection rod are directly contacted with the pavement, the evenness information of the pavement can be obtained through matching the distance sensor at the upper end of the detection rod with the detection substrate, and the detection balls arranged at the lower end of the detection rod can visually and accurately know the evenness of the asphalt pavement, therefore, the accuracy of asphalt flatness detection can be obviously improved, and the detection efficiency is higher.

Description

Asphalt pavement flatness detection device

Technical Field

The utility model belongs to the technical field of the engineering construction technique and specifically relates to an asphalt pavement flatness detecting device.

Background

After the asphalt pavement is paved, in the later acceptance process, the flatness of the asphalt pavement needs to be detected so as to complete the construction acceptance work, in the prior art, when the flatness of the asphalt pavement is accepted, a section of the pavement is generally sampled and detected at random, manual measurement is carried out through a level ruler so as to judge the levelness of the asphalt pavement, a detection trolley for the levelness of the asphalt pavement also exists, a levelness detection laser probe is arranged on a remote control trolley, the remote control trolley walks along the asphalt pavement through the remote control trolley, and the flatness inside the asphalt cannot be judged through trolley elastic strip information detected by the laser probe, the detection mode is more efficient and accurate compared with the manual mode, however, the flatness information of the walking asphalt pavement cannot be shown in a more visual and detailed mode through detecting the elastic data of the remote control trolley, therefore, the above method still has a large detection error.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the utility model provides an asphalt pavement evenness detection device, can more accurate and efficient detect asphalt pavement's level skin information.

The utility model provides a solve technical problem and adopt following technical scheme:

the utility model provides an asphalt pavement flatness detection device, includes moving vehicle frame, the last slip of moving vehicle frame is provided with the gauge rod, the gauge rod is vertical and the lower extreme is provided with the detection ball, detect ball and asphalt pavement contact, the upper end of gauge rod is provided with distance sensor, distance sensor's sense terminal is vertical downwards, distance sensor's the below of sense terminal is provided with the detection base plate.

The utility model discloses still have following technical characteristic:

a plurality of groups of detection rods are arranged at intervals in the width direction of the movable frame;

and a plurality of groups of detection rods are arranged in the length direction of the movable frame at intervals.

The cross section of the detection rod is rectangular, a sliding sleeve is arranged on the movable frame, and the detection rod is arranged in the sliding sleeve in a sliding mode.

And a front universal wheel and a rear fixed wheel are arranged below the movable frame.

Be provided with the bar on the moving carriage, the bar level just arranges along moving carriage width direction.

The detection rod is provided with a lifting rod, the lifting rod is horizontally arranged and connected with a lifting unit, and the lifting unit drives the detection rod to move upwards.

The lifting unit comprises a lifting plate arranged below a lifting rod, the lifting plate is arranged along the length direction of the moving frame, a lifting nut is arranged on the lifting plate, a lifting lead screw is arranged in the lifting nut, and the lifting lead screw is vertical and is arranged on the moving frame in a lower end rotating mode.

The two ends of the lifting plate are arranged on the guide sliding rods in a sliding mode, and the guide sliding rods are vertically arranged on the movable frame.

Compared with the prior art, the beneficial effects of the utility model are embodied in: when implementing to pitch road surface roughness detection, install the measuring staff on the locomotive frame, the measuring staff is vertical and slide and set up on locomotive frame, through the direct and road surface contact of detection ball of measuring staff lower extreme, through and then the distance sensor and the cooperation of detection base plate of accessible measuring staff upper end, can obtain the roughness information on road surface, the roughness that knows pitch road surface that can be directly perceived and accurate through the detection ball that the measuring staff lower extreme set up goes on, thereby can show the degree of accuracy that improves the pitch roughness detection, and detection efficiency is higher.

Drawings

FIG. 1 is a front view of an asphalt pavement flatness detecting apparatus;

FIG. 2 is a top view of the asphalt pavement flatness detecting apparatus;

fig. 3 is a front view of the calibration flat car.

Detailed Description

Referring to fig. 1 to 3, the features of the asphalt pavement flatness detecting apparatus are detailed as follows:

the utility model provides an asphalt pavement flatness detection device, is including moving vehicle frame 100, it is provided with test bar 200 to slide on moving vehicle frame 100, the vertical and lower extreme of test bar 200 is provided with detection ball 210, detect ball 210 and asphalt pavement contact, the upper end of test bar 200 is provided with distance sensor 300, distance sensor 300's the vertical downwards of sense terminal, distance sensor 300's the below is provided with detection base plate 400.

When implementing to pitch road surface roughness detection, installation measuring bar 200 on moving vehicle frame 100, measuring bar 200 is vertical and slide and set up on moving vehicle frame 100, the detection ball 210 through measuring bar 200 lower extreme is direct and the road surface contact, through and then the distance sensor 300 of accessible measuring bar 200 upper end cooperates with detection base plate 400, can obtain the roughness information on road surface, the detection ball 210 that sets up through measuring bar 200 lower extreme can be directly perceived and accurate knows the roughness on pitch road surface and go on, thereby can show the degree of accuracy that improves pitch roughness detection, and detection efficiency is higher.

As a preferable scheme of the present invention, a plurality of groups of the detection rods 200 are arranged at intervals in the width direction of the moving frame 100;

specifically, the detection rods 200 are arranged in multiple groups at intervals in the length direction of the moving carriage 100.

The detection rods 200 are arranged along the moving frame 100 and in the length direction at equal intervals, so that the coverage points of the moving frame 100 can be obviously improved in the running process of the moving frame 100 along the length direction of the asphalt pavement, the quantity of data can be obviously improved in the running process of the moving frame 100 along the asphalt pavement, and the detection accuracy of the flatness of the asphalt pavement is improved.

More specifically, in order to avoid the rotation of the detection rod 200, the cross section of the detection rod 200 is rectangular, the sliding sleeve 110 is arranged on the moving vehicle frame 100, and the detection rod 200 is slidably arranged in the sliding sleeve 110.

In order to facilitate the rotation adjustment of the moving carriage 100, a front universal wheel 120 and a rear fixed wheel 130 are arranged below the moving carriage 100.

An engine and a control remote control unit are arranged on the moving vehicle frame 100, and the moving vehicle frame 100 can conveniently walk along the asphalt pavement through remote control.

More specifically, the moving frame 100 is provided with a grab bar 140, and the grab bar 140 is arranged horizontally and along the width direction of the moving frame 100.

Specifically, in order to reset the detection rod 200 and further avoid the detection rod 200 from directly contacting with the ground when not in use, the detection rod 200 is provided with a lifting rod 220, the lifting rod 220 is horizontally arranged, the lifting rod 220 is connected with a lifting unit, and the lifting unit drives the detection rod 200 to move upwards.

Preferably, the lifting unit includes a lifting plate 230 disposed below the lifting rod 220, the lifting plate 230 is disposed along the length direction of the moving frame 100, a lifting nut 231 is disposed on the lifting plate 230, a lifting screw 232 is disposed in the lifting nut 231, and the lifting screw 232 is vertically and rotatably disposed on the moving frame 100.

Specifically, both ends of the lifting plate 230 are slidably provided on guide slide bars 240, and the guide slide bars 240 are vertically arranged on the moving frame 100.

When the distance sensor 300 on the detection rod 200 is calibrated, the detection vehicle is provided with the calibration flat car 500, the calibration flat car 500 is provided with the butt strap 510, the whole moving vehicle frame 100 is conveniently pushed onto the calibration flat car 500, the lifting plate 230 descends, the detection ball 210 at the lower end of the detection rod 200 is directly abutted against the calibration flat car 500, the original calibration of the distance sensor 300 is further realized, and then the moving vehicle frame 100 is pushed down from the calibration flat car 500, so that the detection platform can be used.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an asphalt pavement roughness detection device which characterized in that: including moving vehicle frame (100), it is provided with check rod (200) to slide on moving vehicle frame (100), check rod (200) are vertical and the lower extreme is provided with detection ball (210), detect ball (210) and bituminous paving contact, the upper end of check rod (200) is provided with distance sensor (300), the vertical downside of sense terminal of distance sensor (300), the below of the sense terminal of distance sensor (300) is provided with detection base plate (400).

2. The asphalt pavement flatness detecting apparatus according to claim 1, wherein: the detection rods (200) are arranged in the width direction of the movable frame (100) at intervals.

3. The asphalt pavement flatness detecting apparatus according to claim 2, wherein: the detection rods (200) are arranged in the length direction of the movable vehicle frame (100) at intervals.

4. The asphalt pavement flatness detecting apparatus according to claim 3, wherein: the cross section of the detection rod (200) is rectangular, a sliding sleeve (110) is arranged on the movable frame (100), and the detection rod (200) is arranged in the sliding sleeve (110) in a sliding mode.

5. The asphalt pavement flatness detecting apparatus according to claim 4, wherein: the lower part of the movable frame (100) is provided with a front universal wheel (120) and a rear fixed wheel (130).

6. The asphalt pavement flatness detecting device according to claim 5, characterized in that: the movable frame (100) is provided with a grab rail (140), and the grab rail (140) is arranged horizontally and along the width direction of the movable frame (100).

7. The asphalt pavement flatness detecting apparatus according to claim 3, wherein: the detection rod (200) is provided with a lifting rod (220), the lifting rod (220) is horizontally arranged, the lifting rod (220) is connected with a lifting unit, and the lifting unit drives the detection rod (200) to move upwards.

8. The asphalt pavement flatness detecting apparatus according to claim 7, wherein: the lifting unit comprises a lifting plate (230) arranged below a lifting rod (220), the lifting plate (230) is arranged along the length direction of the moving frame (100), a lifting nut (231) is arranged on the lifting plate (230), a lifting lead screw (232) is arranged in the lifting nut (231), and the lifting lead screw (232) is vertically arranged on the moving frame (100) in a lower end rotating mode.

9. The asphalt pavement flatness detecting apparatus according to claim 8, wherein: the two ends of the lifting plate (230) are arranged on guide sliding rods (240) in a sliding mode, and the guide sliding rods (240) are vertically arranged on the moving vehicle frame (100).