Roadbed flatness detection equipment

Abstract

The utility model relates to the technical field of roadbed detection, and discloses roadbed flatness detection equipment which comprises a cross beam, the bottom of the cross beam is fixedly connected with a U-shaped block, the middle of the U-shaped block is rotatably connected with a movable rod, the bottom end of the movable rod is rotatably connected with a detection wheel, the middle of the movable rod is provided with a light reflecting plate, and the light reflecting plate is fixedly connected with the U-shaped block. A laser head is slidably connected to the inner wall of the cross beam, a receiving plate is arranged on the bottom face of the cross beam, a controller is arranged on the top of the cross beam, a fixing frame is fixedly connected to the top face of the cross beam, a solar panel is fixedly connected to the top face of the fixing frame, and solar folding plates are rotatably connected to the two ends of the solar panel. According to the road surface flatness detection device, when the detection wheel passes through the road surface, the angle between the movable rod and the ground changes, the angle of the light reflecting plate changes, the positions, reflected to the receiving plate through the light reflecting plate, of the laser head are different, and the flatness of the road surface can be obtained by analyzing the laser path on the receiving plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to roadbed detection technical field especially relates to a roadbed flatness detection equipment. BACKGROUND

[0002] Road and bridge roadbed as the basic structure of road and bridge is the key support part of whole traffic engineering, bears the whole load that road surface and bridge structure come, including the dynamic load that vehicle travel produces and the static load of structure itself, and will these loads evenly disperse transmission to ground, guarantee the stability of road and bridge, bridge roadbed mainly relates to the filling area behind abutment, and this part of roadbed treatment improper easily causes bridgehead to jump the car phenomenon, influences the driving comfort and safety, and the quality of road and bridge roadbed is directly related to the service life of traffic engineering, driving safety and post-maintenance cost, is the important link that cannot be ignored in traffic infrastructure construction.

[0003] Roadbed flatness detection is the key link of road construction quality control, is directly related to the follow-up road pavement quality and driving experience, and the detection work generally carries out after roadbed compaction forming, and the common method has the ruler method and the vehicle-mounted type jolt cumulative instrument method, the ruler method is simple to operate, places the ruler perpendicular to the driving direction on the roadbed surface, measures the maximum gap between the ruler and the roadbed surface with the caliper, and the maximum gap value in the specified distance is used to evaluate the flatness, but the vehicle-mounted type jolt cumulative instrument reflects the flatness condition according to the body vibration cumulative value in the vehicle driving, but the ruler method can only obtain the gap data of single measuring point, and cannot directly obtain the overall statistical information of roadbed flatness, and the jolt cumulative instrument measurement needs to be converted through the calibration test to establish the correlation, and the data processing process is relatively complex, and the conversion result can have certain error. UTILITY MODEL CONTENTS

[0004] In order to make up for the above insufficient, the utility model provides a kind of roadbed flatness detection equipment, to improve the ruler method in prior art only the gap data of single measuring point can be obtained, cannot directly obtain the overall statistical information of roadbed flatness, and the jolt cumulative instrument measurement needs to be converted through the calibration test to establish the correlation, and the data processing process is relatively complex, and the conversion result can have certain error.

[0005] In order to realize the above purpose, the utility model adopts the following technical scheme: a kind of roadbed flatness detection equipment, including crossbeam, the bottom of the crossbeam is fixedly connected with U-shaped block, the middle part of the U-shaped block is rotatably connected with movable rod, the bottom of the movable rod is rotatably connected with detection wheel, the middle part of the movable rod is provided with reflector, the inner wall of the crossbeam is slidably connected with laser head, the bottom surface of the crossbeam is provided with receiving plate, the top of the crossbeam is provided with controller, the middle part of the movable rod is provided with angle adjusting mechanism, and the angle adjusting mechanism is used to adjust the angle of reflector.

[0006] As a further description of the above technical solutions:

[0007] The angle adjusting mechanism comprises a semi-cylinder, the bottom surface of the semi-cylinder is fixedly connected with the middle part of the bottom surface of the movable rod, the outer wall of the semi-cylinder is fixedly connected with a worm wheel, the outer wall of the semi-cylinder is provided with a sliding groove, the outer wall of the semi-cylinder is slidably connected with a sliding block, the inner wall of the sliding block is rotatably connected with a worm, the bottom surface of the sliding block is fixedly connected with a fixed column, and the outer wall of the fixed column is slidably connected with the outer wall of the sliding groove.

[0008] As a further description of the above technical solutions:

[0009] The top surface of the cross beam is fixedly connected with a fixed frame, and the top surface of the fixed frame is fixedly connected with a solar panel.

[0010] As a further description of the above technical solutions:

[0011] Both ends of the solar panel are rotatably connected with a solar folding plate, and the top surface of the cross beam is fixedly connected with a storage battery.

[0012] As a further description of the above technical solutions:

[0013] The bottom surface of the cross beam is fixedly connected with a fixed block, and the inner wall of the fixed block is rotatably connected with a rotating shaft.

[0014] As a further description of the above technical solutions:

[0015] Both ends of the rotating shaft are rotatably connected with a U-shaped frame, and the bottom surface of the U-shaped frame is rotatably connected with a moving wheel.

[0016] As a further description of the above technical solutions:

[0017] One end of the cross beam is fixedly connected with a tow hook, and the other end of the cross beam is provided with a tow rod.

[0018] As a further description of the above technical solutions:

[0019] The top surface of the laser head is provided with a locking bolt, and one end of the worm penetrates through the outer wall of the sliding block and is fixedly connected with a knob.

[0020] The utility model has the advantages of the following beneficial effects:

[0021] 1. The utility model discloses a device is placed on the road surface to be measured, pushes the equipment and moves, and the detection wheel rolls on the ground, adjusts the position of laser head, and the laser head is irradiated on the light board, and the laser is reflected to the receiving plate through the light board, when the detection wheel passes through the uneven road surface, the movable rod rotates around the U-shaped block, the angle of movable rod and ground changes, the angle of light board changes, the position of laser head that passes through the light board and is reflected to the receiving plate is different, and the receiving plate is connected controller, and the flatness of the road surface can be obtained through the laser path analysis on the receiving plate.

[0022] 2. The utility model discloses when needing to adjust the angle of light board, rotates the knob, and the knob drives the worm to rotate, and the worm is engaged with the worm wheel, and the worm wheel moves relative to the worm, and the worm rotates around the center of the worm wheel, that is, the sliding block slides on the surface of semicylinder, and the fixed column slides in the inner wall of the sliding slot, realizing the adjustment of the angle of light board. DRAWINGS

[0023] Figure 1 It is the front side perspective drawing of a kind of subgrade flatness detection equipment proposed in the utility model;

[0024] Figure 2 It is the local structure diagram of a kind of laser head of subgrade flatness detection equipment proposed in the utility model;

[0025] Figure 3 It is the local structure diagram of movable rod of a kind of subgrade flatness detection equipment proposed in the utility model;

[0026] Figure 4 It is the local structure display diagram of worm of a kind of subgrade flatness detection equipment proposed in the utility model;

[0027] Figure 5 It is the local structure schematic diagram of tow hook of a kind of subgrade flatness detection equipment proposed in the utility model.

[0028] Legend:

[0029] 1, crossbeam;2, angle adjusting mechanism;201, semicylinder;202, worm wheel;203, sliding block;204, worm;205, sliding slot;206, fixed column;3, U-shaped block;4, movable rod;5, detection wheel;6, light board;7, laser head;8, receiving plate;9, controller;10, fixed frame;11, solar panel;12, solar folding board;13, battery;14, tow rod;15, knob;16, fixed block;17, rotating shaft;18, U-shaped frame;19, moving wheel;20, locking bolt;21, tow hook. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present utility model.

[0031] Please refer to the drawings Figure 1 - the drawings Figure 3 The present utility model provides an embodiment: a roadbed flatness detection equipment, including crossbeam 1, the bottom of crossbeam 1 is fixedly connected with U-shaped block 3, the middle part of U-shaped block 3 is rotatably connected with movable rod 4, the bottom end of movable rod 4 is rotatably connected with detection wheel 5, the middle part of movable rod 4 is provided with reflector 6, the inner wall of crossbeam 1 is slidably connected with laser head 7, the bottom surface of crossbeam 1 is provided with receiving plate 8, the top of crossbeam 1 is provided with controller 9, the middle part of movable rod 4 is provided with angle adjusting mechanism 2, and angle adjusting mechanism 2 is used for adjusting the angle of reflector 6.

[0032] Specifically, the bottom of crossbeam 1 is fixedly connected with a U-shaped block 3, the middle part of U-shaped block 3 is rotatably connected with a movable rod 4, and the lower end of movable rod 4 is rotatably connected with a detection wheel 5, so that the detection wheel 5 can maintain good contact and stability on different terrains, a reflector 6 is arranged at the middle position of movable rod 4, is used for reflecting light, so as to facilitate subsequent flatness detection, a laser head 7 is slidably connected on the inner wall of crossbeam 1, is responsible for emitting laser beam, and is used for measuring the flatness of the roadbed surface, a receiving plate 8 is arranged on the bottom surface of crossbeam 1, is used for receiving the laser beam emitted by the laser head 7, and processes the signals reflected back, and a controller 9 is arranged on the top of crossbeam 1, is used for processing data and controlling the operation of the detection equipment.

[0033] Please refer to the drawings Figure 4 - the drawings Figure 5 Angle adjusting mechanism 2 includes semicylinder 201, the bottom surface of semicylinder 201 is fixedly connected with the middle part of the bottom surface of movable rod 4, the outer wall of semicylinder 201 is fixedly connected with worm gear 202, the outer wall of semicylinder 201 is provided with sliding groove 205, the outer wall of semicylinder 201 is slidably connected with sliding block 203, the inner wall of sliding block 203 is rotatably connected with worm 204, the bottom surface of sliding block 203 is fixedly connected with fixed column 206, and the outer wall of fixed column 206 is slidably connected with the outer wall of sliding groove 205.

[0034] Specific, the bottom surface of the semi-cylinder 201 and the bottom surface of the middle of the movable rod 4 are fixed together by a firm connection, a worm wheel 202 is fixedly installed on the outer wall of the semi-cylinder 201, the worm wheel 202 is used to cooperate with the worm 204 to realize accurate angle adjustment, a sliding groove 205 is formed in the outer wall of the semi-cylinder 201, which provides the necessary space for the sliding of the subsequent parts, a sliding block 203 is slidingly connected in the sliding groove 205, a worm 204 is rotatably connected to the inner wall of the sliding block 203, the worm 204 cooperates with the worm wheel 202, so that the accurate movement of the sliding block 203 can be realized by rotating the worm 204, and the bottom surface of the sliding block 203 is further fixedly connected with a fixed column 206, the outer wall of the fixed column 206 can be slidingly connected with the outer wall of the sliding groove 205, so as to ensure the stability and reliability of the whole angle adjusting mechanism 2 during operation.

[0035] Please refer to the accompanying drawings Figure 1 - the accompanying drawings Figure 3 The top surface of the cross beam 1 is fixedly connected with a fixed frame 10, the top surface of the fixed frame 10 is fixedly connected with a solar panel 11, both ends of the solar panel 11 are rotatably connected with solar folding plates 12, the top surface of the cross beam 1 is fixedly connected with a battery 13, the bottom surface of the cross beam 1 is fixedly connected with a fixed block 16, and the inner wall of the fixed block 16 is rotatably connected with a rotating shaft 17.

[0036] Specifically, the top surface of the cross beam 1 is fixedly connected with a fixed frame 10, the top surface of the fixed frame 10 is fixedly connected with a solar panel 11, both ends of the solar panel 11 are rotatably connected with solar folding plates 12, so as to be unfolded or folded when needed, to adapt to different use environments and needs, the top surface of the cross beam 1 is fixedly connected with a battery 13 for storing the converted electric energy of the solar panel 11, and the bottom surface of the cross beam 1 is fixedly connected with a fixed block 16, and the inner wall of the fixed block 16 is rotatably connected with a rotating shaft 17.

[0037] Please refer to the accompanying drawings Figure 3 - the accompanying drawings Figure 5 Both ends of the rotating shaft 17 are rotatably connected with U-shaped frames 18, the bottom surface of the U-shaped frame 18 is rotatably connected with moving wheels 19, one end of the cross beam 1 is fixedly connected with a tow hook 21, the other end of the cross beam 1 is provided with a tow rod 14, the top surface of the laser head 7 is provided with a locking bolt 20, one end of the worm 204 penetrates through the outer wall of the sliding block 203 and is fixedly connected with a knob 15.

[0038] Specifically, the both ends of the rotating shaft 17 are rotatably connected with the U-shaped frame 18, so that the rotating shaft 17 can be flexibly matched with the U-shaped frame 18, thereby realizing more stable and smooth rotation, the bottom surface of the U-shaped frame 18 is rotatably connected with the moving wheel 19, so that the whole device can be conveniently moved on different surfaces, improving the mobility and flexibility of the device, one end of the cross beam 1 is fixedly connected with the tow hook 21, so that the device can be conveniently connected with other equipment or structure, increasing the application range and functionality of the device, the other end of the cross beam 1 is provided with the tow rod 14, so that the device can be more conveniently controlled and operated, improving the convenience of operation, the top surface of the laser head 7 is provided with the locking bolt 20, the design of the locking bolt 20 enables the laser head 7 to be more stably fixed at the required position, ensuring the positioning accuracy of the laser head 7, one end of the worm 204 penetrates through the outer wall of the sliding block 203 and is fixedly connected with the knob 15, so that the position of the worm 204 can be adjusted through the knob 15, thereby realizing accurate control of the sliding block 203.

[0039] Working principle: place the device on the road surface to be detected, push the device to move, the detection wheel 5 rolls on the ground, adjust the position of the laser head 7, irradiate the laser head 7 on the light board 6, the laser is reflected to the receiving plate 8 through the light board 6, when the detection wheel 5 passes through the uneven road surface, the movable rod 4 rotates around the U-shaped block 3, the angle between the movable rod 4 and the ground changes, the angle of the light board 6 changes, the position of the laser head 7 reflected to the receiving plate 8 through the light board 6 is different, the receiving plate 8 is connected with the controller 9, and the flatness of the road surface can be obtained through analysis of the laser path on the receiving plate 8.

[0040] When it is necessary to adjust the angle of the light board 6, the knob 15 is rotated, the knob 15 drives the worm 204 to rotate, the worm 204 is engaged with the worm gear 202, the worm gear 202 moves relative to the worm 204, the worm 204 rotates around the center of the worm gear 202, that is, the sliding block 203 slides on the surface of the semi-cylindrical column 201, the fixed column 206 slides in the inner wall of the sliding groove 205, and the angle of the light board 6 is adjusted.

[0041] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A roadbed smoothness testing device, comprising a crossbeam (1), characterized in that: A U-shaped block (3) is fixedly connected to the bottom of the crossbeam (1). A movable rod (4) is rotatably connected to the middle of the U-shaped block (3). A detection wheel (5) is rotatably connected to the bottom end of the movable rod (4). A reflector (6) is provided in the middle of the movable rod (4). A laser head (7) is slidably connected to the inner wall of the crossbeam (1). A receiving plate (8) is provided on the bottom surface of the crossbeam (1). A controller (9) is provided on the top of the crossbeam (1). An angle adjustment mechanism (2) is provided in the middle of the movable rod (4). The angle adjustment mechanism (2) is used to adjust the angle of the reflector (6).

2. The roadbed smoothness testing device according to claim 1, characterized in that: The angle adjustment mechanism (2) includes a semi-cylinder (201), the bottom surface of which is fixedly connected to the middle of the bottom surface of the movable rod (4), a worm gear (202) is fixedly connected to the outer wall of the semi-cylinder (201), a sliding groove (205) is provided on the outer wall of the semi-cylinder (201), a sliding block (203) is slidably connected to the outer wall of the semi-cylinder (201), a worm gear (204) is rotatably connected to the inner wall of the sliding block (203), a fixed column (206) is fixedly connected to the bottom surface of the sliding block (203), and the outer wall of the fixed column (206) is slidably connected to the outer wall of the sliding groove (205).

3. The roadbed smoothness testing device according to claim 1, characterized in that: A fixing frame (10) is fixedly connected to the top surface of the crossbeam (1), and a solar panel (11) is fixedly connected to the top surface of the fixing frame (10).

4. The roadbed smoothness testing device according to claim 3, characterized in that: Both ends of the solar panel (11) are rotatably connected to solar folding panels (12), and the top surface of the crossbeam (1) is fixedly connected to a storage battery (13).

5. The roadbed smoothness testing device according to claim 1, characterized in that: A fixing block (16) is fixedly connected to the bottom surface of the crossbeam (1), and a rotating shaft (17) is rotatably connected to the inner wall of the fixing block (16).

6. The roadbed smoothness testing device according to claim 5, characterized in that: Both ends of the rotating shaft (17) are rotatably connected to a U-shaped frame (18), and the bottom surface of the U-shaped frame (18) is rotatably connected to a moving wheel (19).

7. The roadbed smoothness testing device according to claim 1, characterized in that: One end of the crossbeam (1) is fixedly connected to a tow hook (21), and the other end of the crossbeam (1) is provided with a tow rod (14).

8. The roadbed smoothness testing device according to claim 2, characterized in that: The top surface of the laser head (7) is provided with a locking bolt (20), and one end of the worm gear (204) passes through the outer wall of the sliding block (203) and is fixedly connected to a knob (15).

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