Pavement flatness detection device

Abstract

The utility model relates to a road surface flatness detection device, which belongs to the technical field of road surface detection, and comprises a base, sleeves, an identification ruler and a telescopic mechanism, a plurality of sleeves are uniformly distributed at the upper end of the base and are fixedly connected with the base, the identification ruler is fixedly connected to one side of the upper end of each sleeve, and one side of the upper end of each identification ruler is connected with a fixed plate. The telescopic mechanism is fixedly connected to the lower end of the fixing plate. According to the device, the plurality of marking rulers arranged on the base are matched with the telescopic mechanism, so that the flatness of a passing road surface can be measured in the construction process, meanwhile, the plurality of marking rulers are matched with the telescopic mechanism, so that the detection efficiency is improved, and the change of the road surface in a detection area can be conveniently found.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of road surface flatness detection devices, belong to road surface detection technical field. BACKGROUND

[0002] Road surface flatness has important influence on driving safety, vehicle fuel economy, ride comfort, traffic efficiency and reducing vehicle wear, and road surface flatness detection is an important technology for evaluating road quality and driving comfort, which mainly focuses on the flatness of road surface in vertical and lateral directions.

[0003] In the prior art, it is generally necessary to use a level to detect the road surface flatness after road construction is completed, but the level cannot detect the road surface flatness in time during construction, and if problems are detected after construction is completed, rework will waste a lot of time and affect construction efficiency. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problem that the existing road surface flatness detection device cannot detect the road surface flatness in time during construction, which affects construction efficiency.

[0005] To solve the above problems, the utility model provides a road surface flatness detection device, which comprises a base, a sleeve, a marking ruler, an extension mechanism, a plurality of sleeves are uniformly distributed on the upper end of the base and fixedly connected thereto, the marking ruler is fixedly connected to one side of the upper end of the sleeve, a fixed plate is connected to one side of the upper end of the marking ruler, and the extension mechanism is fixedly connected to the lower end of the fixed plate.

[0006] The extension mechanism comprises a spring, a connecting rod and a detection wheel, the two ends of the spring are fixedly connected to the connecting rod and the fixed plate respectively, a groove hole corresponding to the connecting rod is arranged in the base, the lower end of the connecting rod is slidably connected to the groove hole in the base, and the detection wheel is rotatably connected to the lower end of the connecting rod.

[0007] Further, one side of the lower end of the fixed plate is provided with a laser displacement sensor, and the upper end of the connecting rod is provided with a detection plate corresponding to the laser displacement sensor.

[0008] Further, the upper end of the fixed plate is provided with a warning light.

[0009] Further, the marking ruler faces outward.

[0010] Further, the upper end of the base is fixedly connected with a supporting rod at each corner, and the upper end of each of the four supporting rods is provided with a push rod fixedly connected to the connecting rod.

[0011] Further, the lower end of the base is provided with a universal wheel at each corner.

[0012] Compared with the prior art, the utility model has the advantages of

[0013] The patent can measure the flatness of the passed road surface during construction by the cooperation of the plurality of identification scales and the telescopic mechanisms, and the cooperation of the plurality of identification scales and the telescopic mechanisms improves the detection efficiency and facilitates the discovery of the road surface changes in the detection area. BRIEF DESCRIPTION OF DRAWINGS

[0014] The accompanying drawings are used to provide further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with embodiments of the utility model, and do not constitute the limitation to the utility model. In the drawings:

[0015] Figure 1 The structure of the road surface flatness detection device Figure 1 .

[0016] Figure 2 The structure of the road surface flatness detection device Figure 2 .

[0017] Figure 3 The sleeve, identification scale and telescopic mechanism structure diagram of the road surface flatness detection device.

[0018] Figure 4 The partial enlarged view of the road surface flatness detection device.

[0019] In the drawings:

[0020] 1, base; 11, support rod; 12, push rod; 2, sleeve; 3, identification scale; 31, fixed plate; 32, laser displacement sensor; 33, warning light; 4, telescopic mechanism; 41, spring; 42, connecting rod; 43, detection wheel; 44, detection plate. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] In combination with the drawings Figures 1-4The utility model provides a kind of road flatness detection device, including base 1, sleeve 2, identification ruler 3, telescopic mechanism 4, base 1 lower end four corners are equipped with universal wheel, several sleeve 2 are evenly distributed on the upper end of base 1 and are fixedly connected, identification ruler 3 is fixedly connected on the upper end one side of sleeve 2 and is towards outside, identification ruler 3 upper end one side is connected with fixed plate 31, telescopic mechanism 4 is fixedly connected on the lower end of fixed plate 31, telescopic mechanism 4 includes spring 41, connecting rod 42, detection wheel 43, spring 41 both ends are fixedly connected with connecting rod 42, fixed plate 31, base 1 is equipped with groove hole corresponding with connecting rod 42, connecting rod 42 lower end is slidably connected with the groove hole in base 1, detection wheel 43 is rotatably connected on the lower end of connecting rod 42, when using, base 1 is pushed to the activity of to-be-measured area, when the road surface of somewhere appears fluctuation, the height of detection wheel 43 will change under the action of spring 41 and road surface force, at this moment, the corresponding indication of identification ruler 3 on the upper end of connecting rod 42 also changes, to facilitate detection personnel to observe;

[0023] Fixed plate 31 lower end one side is equipped with laser displacement sensor 32, connecting rod 42 upper end is equipped with detection plate 44 corresponding with laser displacement sensor 32, fixed plate 31 upper end is equipped with warning light 33, base 1 upper end four corners are fixedly connected with support rod 11, four support rods 11 upper end are equipped with fixedly connected with connecting rod 42 and facilitate to push and push rod 12, when the height of detection wheel 43 changes, laser displacement sensor 32 detects that its distance with detection plate 44 changes, signal is transmitted to warning light 33, and warning light 33 reminds detection personnel.

[0024] The working principle of the present application is as follows:

[0025] When using, base 1 is pushed to the activity of to-be-measured area, when the road surface of somewhere appears fluctuation, the height of detection wheel 43 will change under the action of spring 41 and road surface force, at this moment, the corresponding indication of identification ruler 3 on the upper end of connecting rod 42 also changes, to facilitate detection personnel to observe;When the height of detection wheel 43 changes, laser displacement sensor 32 detects that its distance with detection plate 44 changes, signal is transmitted to warning light 33, and warning light 33 reminds detection personnel. The present application can measure the flatness of the road surface during construction by setting several identification rulers 3 on the base 1 in cooperation with the telescopic mechanism 4, and the cooperation of multiple identification rulers 3 and telescopic mechanism 4 improves the detection efficiency and facilitates the detection of road surface changes in the detection area.

[0026] The above has described the utility model and its implementation mode, which is not restrictive, and the drawings only show one of the implementation modes of the utility model, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the utility model, similar structural modes and embodiments are not creatively designed, which should belong to the protection scope of the utility model.

Claims

1. A road surface flatness detection device characterized by comprising: The utility model relates to a kind of laser displacement sensor, including base (1), sleeve (2), identification ruler (3), telescopic mechanism (4), several sleeve (2) are evenly distributed on the upper end of base (1) and are fixedly connected, and identification ruler (3) is fixedly connected on the upper end of sleeve (2) one side, and identification ruler (3) upper end one side is connected with fixed plate (31), and telescopic mechanism (4) is fixedly connected in fixed plate (31) lower end; The telescopic mechanism (4) includes spring (41), connecting rod (42), detection wheel (43), and the both ends of spring (41) are fixedly connected with connecting rod (42) and fixed plate (31) respectively, and the bottom (1) is equipped with groove hole corresponding with connecting rod (42) in, and the lower end of connecting rod (42) is slidably connected with the groove hole in the bottom (1), and detection wheel (43) is rotatably connected in the lower end of connecting rod (42).

2. The road surface flatness detection device according to claim 1, characterized in that: The lower end of fixed plate (31) one side is equipped with laser displacement sensor (32), and the upper end of connecting rod (42) is equipped with detection plate (44) corresponding with laser displacement sensor (32).

3. The road surface flatness detection device according to claim 2, characterized by: The upper end of fixed plate (31) is equipped with warning light (33).

4. The road surface flatness detection device according to claim 1, characterized by: The identification ruler (3) is towards outside.

5. The road surface roughness detection device according to claim 1, characterized by: The upper end of the base (1) is fixedly connected with a support rod (11) at each corner, and the upper end of the four support rods (11) is provided with a push rod (12) fixedly connected with the connecting rod (42).

6. The road surface flatness detection device according to claim 5, characterized by: The lower end of the base (1) is provided with a universal wheel at each corner.

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