Pavement flatness detection device

By designing a road surface smoothness testing device with components such as a mounting frame, movable plate, and level, the problems of cumbersome testing and missing parts in existing devices have been solved, achieving efficient and accurate road surface smoothness testing.

CN223522954UActive Publication Date: 2025-11-07CHONGQING GUWEI CONSTR ENG QUALITY INSPECTION CO LTD
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Patent Information

Application Number
CN202422885656.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-25
Publication Date
2025-11-07
Estimated Expiration
2034-11-25

AI Technical Summary

Technical Problem

Existing road surface smoothness testing devices are cumbersome, have poor applicability, and are prone to losing parts, making them inefficient for road surface smoothness testing.

Method used

A road surface smoothness detection device was designed, which includes components such as a mounting frame, a movable plate, a level, an angle line, and a positioning mechanism. Through the cooperation of a threaded rod, a support ball, and a guide rod, the device can be adjusted horizontally and the road surface height and tilt angle can be accurately detected. The positioning groove and positioning mechanism are used to prevent parts from being lost.

Benefits of technology

It improves the convenience and accuracy of testing, avoids the loss of parts, and enhances the applicability and testing efficiency of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of pavement flatness detection, and discloses a pavement flatness detection device which comprises a mounting rack and a movable plate rotating in an inner cavity of the mounting rack, and further comprises gradienters mounted on the two sides of the top of the mounting rack, angle lines are arranged on the two sides of the surface of the movable plate, observation plates are embedded in the two sides of the mounting rack, and the angle lines are arranged on the two sides of the surface of the movable plate. A positioning mechanism is mounted at the top of the mounting frame, and a positioning groove is formed in one side of the movable plate; through cooperation of the threaded rod, the supporting ball and the gradienter, the installation frame can be conveniently adjusted to be in a horizontal state, under cooperation of the supporting ball, the guide rod and the scale lines, the height difference of a road surface can be conveniently detected, and under cooperation of the movable plate and the angle lines, the inclination angle of the road surface can be conveniently detected; and the movable plate is conveniently positioned under the cooperation of the positioning mechanism and the positioning groove, so that the problems that when an existing device is used, detection is not convenient enough, and parts are likely to be lost are solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to road surface flatness detection technical field, concretely is a road surface flatness detection device. BACKGROUND

[0002] Road surface flatness is an important index in road engineering supervision and acceptance, and is a representation value of longitudinal concave-convex of road surface, and mainly reflects the flatness of curve on the road surface profile.

[0003] However, the existing road surface is detected by using a three-meter ruler and two calipers to detect the flatness of the road surface, but this detection method is more complicated, which affects the detection efficiency of the device on the road surface, and the caliper and the ruler are not connected, and the caliper is easy to be lost when not in use, and the three-meter ruler can only detect the drop of the road surface when in use, which reduces the applicability of the device. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a road surface flatness detection device to solve the problems in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a road surface flatness detection device, which comprises a mounting frame and a movable plate rotating in the inner cavity of the mounting frame, and further comprises:

[0006] A level is mounted on the top of the two sides of the mounting frame, angle lines are arranged on the two sides of the surface of the movable plate, observation plates are embedded on the two sides of the mounting frame, a positioning mechanism is mounted on the top of the mounting frame, and a positioning groove is formed in one side of the movable plate.

[0007] A fixing groove is formed in one side of the bottom of the mounting frame, a supporting ball is slidably connected in the inner cavity of the fixing groove, a threaded rod is rotatably connected to the top of the supporting ball, a guide rod is fixedly connected to the surface of the supporting ball, and a scale line is arranged on the surface of the guide rod.

[0008] Preferably, the positioning mechanism comprises a supporting frame fixed to the top of the mounting frame and a positioning frame sliding on the inner wall of the supporting frame, and a tension spring is fixedly connected to one side of the positioning frame.

[0009] Preferably, the surface of the positioning frame is slidably connected with the inner wall of the positioning groove, and the cross-sectional shape of the positioning frame is designed in an L-shaped structure.

[0010] Preferably, clamping grooves are formed in the two sides of the surface of the movable plate, clamping blocks are fixedly connected to the two sides of the inner cavity of the mounting frame, and the inner wall of the clamping groove is slidably connected with the surface of the clamping block.

[0011] Preferably, one side of the movable plate is designed as an arc structure, and the bottom of the movable plate is at the same horizontal line with the bottom of the mounting frame.

[0012] Preferably, the observation plate is designed of transparent material, and the observation plate is used in cooperation with the angle line.

[0013] Compared with the prior art, the device has the following beneficial effects:

[0014] The device is convenient to use in detection and does not have the problem of missing parts, effectively improves the applicability of the device, and solves the problems that the prior art device is inconvenient to use and is prone to missing parts. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a schematic view of a three-dimensional structure in the utility model;

[0016] Figure 2 is a schematic view of a partial three-dimensional sectional structure in the utility model;

[0017] Figure 3 is a schematic view of a partial three-dimensional sectional structure in the utility model;

[0018] Figure 4 is a schematic view of a partial three-dimensional sectional structure in the utility model.

[0019] In the drawing: 1, mounting frame; 2, movable plate; 3, level; 4, angle line; 5, observation plate; 6, positioning mechanism; 61, support frame; 62, positioning frame; 63, tension spring; 7, positioning groove; 8, fixed groove; 9, support ball; 10, threaded rod; 11, guide rod; 12, scale line; 13, clamping groove; 14, clamping block. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. 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 those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer toFigures 1-4 As shown, a kind of road flatness detection device, including mounting bracket 1, the cavity of mounting bracket 1 One side is rotatably connected with movable plate 2, the side of movable plate 2 is arc structure design, the bottom of movable plate 2 With the bottom of mounting bracket 1 It is in the same horizontal line, under the action of this, can make mounting bracket 1 When in horizontal state, movable plate 2 Also can be in horizontal state, to facilitate subsequent movable plate 2 The flatness of road is detected, the both sides of the top of mounting bracket 1 It is equipped with level 3, level 3 It can be according to itself to the flatness of mounting bracket 1 It is detected, to facilitate staff to adjust mounting bracket 1 To horizontal state, the both sides of movable plate 2 Surface are equipped with clamping groove 13, the both sides of the cavity of mounting bracket 1 It is fixedly connected with clamping block 14, the inner wall of clamping groove 13 With the surface of clamping block 14 It is connected slidably, under the action of this, can be guided when movable plate 2 It is rotated, to make movable plate 2 When rotating, it can be more stable, avoid movable plate 2 When rotating, it is not stable enough to affect its detection effect to the flatness of road, the both sides of the surface of movable plate 2 It is provided with angle line 4, angle line 4 It is used in conjunction with mounting bracket 1, under the action of this, can be when movable plate 2 It is rotated, through the cooperation of angle line 4 With mounting bracket 1 It can be accurately read the rotation angle of movable plate 2, to detect the inclination angle of road, the both sides of mounting bracket 1 It is embedded with observation plate 5, observation plate 5 It is designed with transparent material, observation plate 5 It is used in conjunction with angle line 4, under the action of this, can be through observation plate 5 Observation angle line 4, to make staff more convenient when reading the rotation angle of movable plate 2, the top of mounting bracket 1 It is installed with positioning mechanism 6, the side of movable plate 2 It is equipped with positioning groove 7, positioning mechanism 6 It is used in conjunction with positioning groove 7, under the action of this, can be through the cooperation of positioning mechanism 6 When not need to rotate movable plate 2, can be through the cooperation of positioning groove 7 To movable plate 2 It is limited, avoid movable plate 2 Randomly rotating and affecting the adjustment of mounting bracket 1 Level, the side of the bottom of mounting bracket 1 It is equipped with fixed slot 8, the inner cavity of fixed slot 8 It is slidably connected with support ball 9, the top of support ball 9 It is rotatably connected with threaded rod 10, the other end of threaded rod 10 It penetrates to the outside of mounting bracket 1 And the inner wall of its penetration place is screw-threaded, under the action of this, can be through threaded rod 10 The position of support ball 9 It is adjusted, to adjust mounting bracket 1 To horizontal state under the cooperation of level 3, to facilitate subsequent movable plate 2 Detection of road, the surface of support ball 9 It is fixedly connected with guide rod 11, the other end of guide rod 11 It penetrates to the outside of mounting bracket 1 And the inner wall of its penetration place is slidably connected, under the action of this, can be guided when support ball 9 It is moved, to make support ball 9 When moving, it can be more stable, the surface of guide rod 11 It is provided with scale line 12, through the cooperation of scale line 12 It can be accurately measured the adjustment distance of support ball 9, to make the device can measure the height difference of road, effectively improve the applicability of the device.

[0022] The positioning mechanism 6 comprises a support frame 61, the bottom of the support frame 61 is fixedly connected with the top of the mounting frame 1, the inner wall of the support frame 61 is slidably connected with a positioning frame 62, one side of the positioning frame 62 is fixedly connected with a tension spring 63, the other end of the tension spring 63 is fixedly connected with the surface of the support frame 61, the surface of the positioning frame 62 is slidably connected with the inner wall of the positioning groove 7, under the action, the tension spring 63 can always apply pressure to the positioning frame 62, so that the positioning frame 62 cannot easily separate from the inside of the positioning groove 7, and the limiting effect on the movable plate 2 is effectively improved, and the limiting of the movable plate 2 is also facilitated under the cooperation of the tension spring 63, the cross-sectional shape of the positioning frame 62 is designed as an L-shaped structure, which facilitates the movement of the positioning frame 62 by the staff, so that the staff can move the positioning frame 62 more conveniently.

[0023] Working principle: first, the device is placed on the road surface to be detected, then the staff rotates the threaded rod 10 to drive the supporting ball 9 to move, and the supporting ball 9 can drive the guide rod 11 and the scale line 12 to move under the cooperation of the level 3, the mounting frame 1 is adjusted to a horizontal state, then the scale line 12 on the surface of the guide rod 11 is read, so that the road surface drop in the specified distance is read, which is more convenient and the data reading is more accurate, then the positioning frame 62 is pulled to separate from the inside of the positioning groove 7, under the action of gravity, the movable plate 2 rotates, so that the movable plate 2 is attached to the ground, then the staff reads the rotation angle of the movable plate 2 through the cooperation of the observation plate 5 and the angle line 4.

[0024] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Additionally, unless otherwise specified, terms such as "first" and "second" are used herein merely to identify one of the elements as distinct from another without necessarily requiring or implying any actual such relationship or order.

[0025] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A device for detecting the flatness of a road surface, comprising a mounting frame (1) and a movable plate (2) rotating in the inner cavity of the mounting frame, characterized in that, Also include: The level (3) is installed on both sides of the top of the mounting bracket (1), both sides of the surface of the movable plate (2) are provided with angle line (4), both sides of the mounting bracket (1) are embedded with observation plate (5), the top of the mounting bracket (1) is provided with positioning mechanism (6), one side of the movable plate (2) is provided with positioning slot (7); The fixed slot (8) is opened on one side of the bottom of the mounting bracket (1), the inner cavity of the fixed slot (8) is slidably connected with the supporting ball (9), the top of the supporting ball (9) is rotatably connected with the threaded rod (10), the surface of the supporting ball (9) is fixedly connected with the guide rod (11), the surface of the guide rod (11) is provided with scale line (12).

2. The road surface flatness detection device according to claim 1, characterized in that: The positioning mechanism (6) includes a supporting frame (61) fixed to the top of the mounting bracket (1) and a positioning frame (62) slidably connected with the inner wall of the supporting frame (61), one side of the positioning frame (62) is fixedly connected with the tension spring (63).

3. The road surface flatness detection device according to claim 2, characterized by: The surface of the positioning frame (62) is slidably connected with the inner wall of the positioning slot (7), the cross section of the positioning frame (62) is designed in L shape.

4. The road surface flatness detection device according to claim 1, characterized by: Both sides of the surface of the movable plate (2) are provided with clamping grooves (13), both sides of the inner cavity of the mounting bracket (1) are fixedly connected with clamping blocks (14), the inner wall of the clamping groove (13) is slidably connected with the surface of the clamping block (14).

5. The road surface roughness detection device according to claim 1, characterized by: One side of the movable plate (2) is designed in arc shape, the bottom of the movable plate (2) is in the same horizontal line with the bottom of the mounting bracket (1).

6. The road surface roughness detection device according to claim 1, characterized by: The observation plate (5) is designed in transparent material, and the observation plate (5) is used in cooperation with the angle line (4).