A road flatness detection device

Abstract

The utility model relates to road flatness technical field, and disclose a kind of road flatness detection device, including detection vehicle body and adjusting vehicle frame, the bottom end of adjusting vehicle frame is equipped with moving wheel two, the left end of adjusting vehicle frame is threadedly connected with fastening bolt, detection vehicle body is installed in the top of adjusting vehicle frame, and detection vehicle body includes moving vehicle frame, the bottom end of moving vehicle frame is equipped with moving wheel one, the left end bolt connection of moving vehicle frame has connecting assembly, the left end of moving vehicle frame is equipped with adjusting frame body, and the bottom end of adjusting frame body is equipped with measuring wheel.The road flatness detection device, by being provided with bearing table, limit cover plate, plug-in threaded rod and data collector, limit cover plate and bearing table are locked and fixed by plug-in threaded rod, prevent data collector from separating from rectangular metal plate, protect the safety of data collector, avoid data collector damage, do not need to spend a lot of time to maintain data collector, increase the use time of data collector.

Description

Technical Field

[0001] This utility model relates to the field of road smoothness technology, specifically a road smoothness detection device. Background Technology

[0002] Road smoothness is a core indicator for measuring the degree of unevenness or irregularity on a road surface, directly reflecting the degree to which the road surface conforms to an ideal plane. It assesses the impact of road surface longitudinal and lateral undulations on driving comfort, safety, and structural durability by quantifying these variations.

[0003] The prior art discloses a road smoothness testing device with announcement number CN222313736U, which includes a testing frame, an adjusting motor fixedly connected to one side of the testing frame, an adjusting screw fixedly connected to the drive end of the adjusting motor, an adjusting nut seat threadedly connected to the outer side of the adjusting screw, an adjusting frame fixedly connected to one side of the adjusting nut seat, a data acquisition rod at the bottom of the adjusting frame, a movable shaft fixedly connected to the front of the data acquisition rod, a data acquisition component movably connected to the outer side of the movable shaft, a moving mechanism fixedly connected to the bottom of both the adjusting frame and the testing frame, an adjusting groove opened on the inner side of the testing frame, a connecting component fixedly connected to the inner side of the testing frame away from the adjusting groove, a mounting frame fixedly connected to the front of the testing frame, and a data acquisition device installed on the inner side of the mounting frame. This invention, through the design of the testing frame, adjusting motor, adjusting screw, adjusting nut seat, adjusting groove, and adjusting frame, allows the testing device to be adjusted to a suitable length without manual operation by the operator, thus reducing the workload of the operator.

[0004] The data acquisition unit is installed inside the mounting bracket. The data acquisition unit is inserted into the mounting bracket and the mounting bracket can determine the position of the data acquisition unit. However, when transporting the vehicle body, the data acquisition unit is easy to fall off the mounting bracket, which will cause damage to the data acquisition unit and require a lot of time to repair, making the repair of the data acquisition unit quite troublesome. Utility Model Content

[0005] The purpose of this invention is to provide a road smoothness detection device to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a road smoothness detection device, comprising a detection vehicle body and an adjustment frame, wherein a movable wheel is installed at the bottom end of the adjustment frame, a fastening bolt is threaded to the left end of the adjustment frame, and the detection vehicle body is installed at the top end of the adjustment frame.

[0007] The detection vehicle includes a mobile frame, a mobile wheel is installed at the bottom of the mobile frame, a connecting assembly is bolted to the left end of the mobile frame, an adjusting frame is installed at the left end of the mobile frame, and a measuring wheel is installed at the bottom of the adjusting frame.

[0008] The connection assembly includes a data acquisition unit, a rectangular metal plate is bolted to the back of the data acquisition unit, a support platform is bolted to the bottom front of the rectangular metal plate, threaded rods are inserted into the left and right ends of the support platform, a limit cover plate is welded to the bottom surface of the threaded rods, a displacement sensor is wired to the left side surface of the data acquisition unit, and a connecting plate is bolted to the top surface of the displacement sensor.

[0009] Preferably, the fastening bolt is threaded onto the left end of the movable frame. The fastening bolt locks and fixes the adjusting frame and the movable frame, thereby determining the position of the movable frame and the adjusting frame, which facilitates the adjustment of the position between the adjusting frame and the movable frame.

[0010] Preferably, the connecting plate is bolted to the left end of the movable frame, the connecting plate is movably connected to the bottom surface of the adjusting frame, the adjusting frame slides in the middle position of the movable frame, and the special adjusting frame slides on the top surface of the connecting plate to maintain the stability of the adjusting frame.

[0011] Preferably, the rectangular metal plate is bolted to the front of the mobile frame. The bolt limits the rectangular metal plate, making it easy to disassemble and replace. The replacement of the rectangular metal plate is quick and convenient, increasing the service life of the rectangular metal plate and protecting its safety.

[0012] Preferably, the support platform is movably connected to the bottom surface of the data acquisition device, and the data acquisition device is movably connected to the bottom surface of the limiting cover plate. The threaded rod is inserted to lock and fix the support platform and the limiting cover plate, thereby determining the position of the data acquisition device.

[0013] Preferably, the adjusting frame is movably connected to the bottom surface of the displacement sensor. When the measuring wheel is measuring, the adjusting frame pushes the displacement sensor to perform the measurement operation.

[0014] Preferably, the number of the threaded rods is four, with two threaded rods forming a group, and the two groups of threaded rods distributed at the left and right ends of the limiting cover plate, and the same two threaded rods distributed at the front and rear ends of the limiting cover plate.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] 1. This road smoothness detection device is equipped with a support platform, a limiting cover plate, a threaded rod, and a data acquisition unit. The limiting cover plate and the support platform are locked and fixed by the threaded rod to prevent the data acquisition unit from detaching from the rectangular metal plate, thus protecting the safety of the data acquisition unit, avoiding damage to the data acquisition unit, eliminating the need to spend a lot of time on maintenance, and increasing the service life of the data acquisition unit.

[0017] 2. This road smoothness detection device is equipped with a connecting plate, a displacement sensor, and a mobile frame. The mobile frame and the connecting plate are connected by bolts, thereby determining the position of the displacement sensor, facilitating the disassembly and replacement of the displacement sensor, making the maintenance of the displacement sensor more convenient, increasing the service life of the displacement sensor, and protecting the safety of the displacement sensor. Attached Figure Description

[0018] Figure 1 This is a three-dimensional schematic diagram of the entire utility model;

[0019] Figure 2 This is a two-dimensional schematic diagram of the vehicle frame and the movable wheels of this utility model;

[0020] Figure 3 This is a three-dimensional schematic diagram of the vehicle body and fastening bolts for testing according to this utility model;

[0021] Figure 4 This is a three-dimensional schematic diagram of the connecting component of this utility model.

[0022] In the diagram: 1. Inspection vehicle body; 11. Moving frame; 12. Moving wheel one; 13. Connecting assembly; 131. Data acquisition unit; 132. Support platform; 133. Rectangular metal plate; 134. Limiting cover plate; 135. Inserted threaded rod; 136. Displacement sensor; 137. Connecting plate; 14. Adjusting frame; 15. Measuring wheel; 2. Adjusting frame; 3. Moving wheel two; 4. Fastening bolts. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figure 1-4 The present invention provides the following technical solution:

[0025] A road smoothness testing device includes a testing vehicle body 1 and an adjusting frame 2. The bottom end of the adjusting frame 2 is equipped with a movable wheel 3, and the left end of the adjusting frame 2 is threaded with a fastening bolt 4. The testing vehicle body 1 is installed on the top of the adjusting frame 2.

[0026] The inspection vehicle body 1 includes a movable frame 11, with movable wheels 12 installed at the bottom of the movable frame 11. A connecting component 13 is bolted to the left end of the movable frame 11, and a fastening bolt 4 is threadedly connected to the left end of the movable frame 11. The fastening bolt 4 locks and fixes the adjusting frame 2 and the movable frame 11, thereby determining the position of the movable frame 11 and the adjusting frame 2, which facilitates the adjustment of the position between the adjusting frame 2 and the movable frame 11.

[0027] An adjustment frame 14 is installed at the left end of the mobile frame 11, and a measuring wheel 15 is installed at the bottom end of the adjustment frame 14.

[0028] The connecting component 13 includes a data acquisition unit 131. A rectangular metal plate 133 is bolted to the back of the data acquisition unit 131. The rectangular metal plate 133 is bolted to the front of the mobile frame 11. The bolts limit the rectangular metal plate 133, making it easy to disassemble and replace the rectangular metal plate 133. The replacement of the rectangular metal plate 133 is quick and convenient, increasing the service life of the rectangular metal plate 133 and protecting the safety of the rectangular metal plate 133.

[0029] The bottom front of the rectangular metal plate 133 is bolted to a support platform 132. The left and right ends of the support platform 132 are connected to threaded rods 135. There are four threaded rods 135. Two threaded rods 135 form a group. The two groups of threaded rods 135 are distributed at the left and right ends of the limiting cover plate 134. The same two threaded rods 135 are distributed at the front and rear ends of the limiting cover plate 134.

[0030] A limit cover plate 134 is welded to the bottom surface of the threaded rod 135. The support platform 132 is movably connected to the bottom surface of the data acquisition unit 131. The data acquisition unit 131 is movably connected to the bottom surface of the limit cover plate 134. The threaded rod 135 locks and fixes the support platform 132 and the limit cover plate 134, thereby determining the position of the data acquisition unit 131.

[0031] A displacement sensor 136 is wired to the left side surface of the data acquisition unit 131. The adjustment frame 14 is movably connected to the bottom surface of the displacement sensor 136. When the measuring wheel 15 is measuring, the adjustment frame 14 pushes the displacement sensor 136 to perform the measurement operation.

[0032] A connecting plate 137 is bolted to the top surface of the displacement sensor 136. The connecting plate 137 is bolted to the left end of the movable frame 11. The connecting plate 137 is movably connected to the bottom surface of the adjusting frame 2. The adjusting frame 2 slides in the middle position of the movable frame 11. The special adjusting frame 2 slides on the top surface of the connecting plate 137 to maintain the stability of the adjusting frame 2.

[0033] In use, the device collects displacement data caused by unevenness of the road surface by contacting the measuring wheel 15 with the road surface. The measuring wheel 15 is kept in close contact with the road surface under the action of the adjusting frame 14. When the road surface is uneven, the measuring wheel 15 generates vertical displacement, and the displacement sensor 136 converts this physical change into an electrical signal.

[0034] The data acquisition unit 131 receives sensor signals in real time and, combined with vehicle speed and location information, calculates road surface smoothness parameters, such as root mean square error and cross-sectional curve area, through built-in algorithms.

[0035] When the data acquisition unit 131 is replaced, turn to the nut, the nut disengages from the threaded rod 135, and loosens the connection between the threaded rod 135 and the support platform 132.

[0036] Pull the limiting cover plate 134 upward, and the limiting cover plate 134 will drive the threaded rod 135 upward, allowing the threaded rod 135 to slide at both ends of the support platform 132, so that the threaded rod 135 is disengaged from the support platform 132.

[0037] When the limit cover 134 moves upward, the limit cover 134 disengages from the data acquisition unit 131, loosening the connection between the data acquisition unit 131 and the support platform 132, making it easier to disassemble the data acquisition unit 131. This allows for quick and convenient disassembly of the data acquisition unit 131, increases its service life, and protects its safety.

[0038] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A road smoothness detection device, comprising a detection vehicle body (1) and an adjustment frame (2), characterized in that: The bottom end of the adjustment frame (2) is equipped with a movable wheel (3), the left end of the adjustment frame (2) is threaded with a fastening bolt (4), and the detection vehicle body (1) is installed on the top of the adjustment frame (2). The detection vehicle body (1) includes a mobile frame (11), a mobile wheel (12) is installed at the bottom of the mobile frame (11), a connecting assembly (13) is bolted to the left end of the mobile frame (11), an adjusting frame (14) is installed at the left end of the mobile frame (11), and a measuring wheel (15) is installed at the bottom end of the adjusting frame (14). The connecting assembly (13) includes a data acquisition unit (131), a rectangular metal plate (133) is bolted to the back of the data acquisition unit (131), a support platform (132) is bolted to the bottom front of the rectangular metal plate (133), threaded rods (135) are inserted into the left and right ends of the support platform (132), a limit cover plate (134) is welded to the bottom surface of the threaded rods (135), a displacement sensor (136) is wired to the left side surface of the data acquisition unit (131), and a connecting plate (137) is bolted to the top surface of the displacement sensor (136).

2. The road smoothness detection device according to claim 1, characterized in that: The fastening bolt (4) is threaded onto the left end of the mobile frame (11).

3. The road smoothness detection device according to claim 2, characterized in that: The connecting plate (137) is bolted to the left end of the movable frame (11), and the connecting plate (137) is movably connected to the bottom surface of the adjustable frame (2).

4. The road smoothness detection device according to claim 3, characterized in that: The rectangular metal plate (133) is bolted to the front of the mobile frame (11).

5. The road smoothness detection device according to claim 4, characterized in that: The support platform (132) is movably connected to the bottom surface of the data acquisition unit (131), and the data acquisition unit (131) is movably connected to the bottom surface of the limiting cover plate (134).

6. The road smoothness detection device according to claim 5, characterized in that: The adjustment frame (14) is movably connected to the bottom surface of the displacement sensor (136).

7. A road smoothness testing device according to claim 6, characterized in that: The number of the insert threaded rods (135) is four. Two insert threaded rods (135) form a group. The two groups of insert threaded rods (135) are distributed at the left and right ends of the limiting cover plate (134). The same two insert threaded rods (135) are distributed at the front and rear ends of the limiting cover plate (134).

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