CN220550419U

CN220550419U - Road surface roughness detection device and system

Info

Publication number: CN220550419U
Application number: CN202320392646.3U
Authority: CN
Inventors: 薛凯; 赵博宇; 李志�; 李根健; 冷盛峰
Original assignee: Sichuan Fengzhou Software Co ltd
Current assignee: Sichuan Fengzhou Software Co ltd
Priority date: 2023-03-06
Filing date: 2023-03-06
Publication date: 2024-03-01
Anticipated expiration: 2033-03-06

Abstract

The utility model relates to the field of pavement detection and discloses a pavement evenness detection device and a pavement evenness detection system. According to the utility model, the position of the test wheel in the width direction of the frame body is regulated by the regulating mechanism, so that the movement direction of the test wheel is ensured to be a straight line in the test process, and the accuracy of road surface flatness detection is improved. And the testing wheel can be adjusted to the edge of the frame body through the adjusting mechanism, so that the flatness of the edge of the road surface can be detected, and the practicability of the detecting device is improved.

Description

Road surface roughness detection device and system

Technical Field

The utility model relates to the field of pavement detection, in particular to a pavement evenness detection device and system.

Background

The road surface flatness refers to a deviation value of the amount of longitudinal unevenness of the road surface, and is an important index in road surface evaluation and road surface construction inspection. Road surface flatness is related to the safety and comfort of driving and the impact force and service life of the road surface, and uneven road surface can increase driving resistance. The vehicle generates additional vibration effect, and the vibration effect can cause driving jolt, influence the speed and the safety of driving and influence the driving stability and the comfort of passengers; at the same time, the vibration effect can also apply impact force to the road surface, thereby increasing the damage of the road surface and the parts of the automobile and the abrasion of the tyre and increasing the consumption of oil.

At present, equipment such as eight-wheel planimeters are commonly adopted on the market to detect the roughness of highway, and in the test process, the drive planimeter is along rectilinear movement and then drags the test wheel on the test highway and tests, can obtain the planarization condition of the road surface that the test wheel passed.

The flatness instrument has the following problems in the use process: the test wheel is installed in the middle of the eight-wheel leveling instrument, and after the leveling instrument moves and deflects, the test wheel also deflects to enable the test wheel not to move linearly, so that the leveling test accuracy is affected, and the accuracy needs to be improved.

Disclosure of Invention

The utility model aims to provide a road surface flatness detection device and a road surface flatness detection system, which solve the problem that the accuracy of the existing detection device is to be improved.

In order to achieve the aim of the utility model, the utility model adopts the following technical scheme: the utility model provides a road surface roughness detection device, includes frame body, test wheel and mounting bracket, the test wheel rotates to be connected on the mounting bracket, still including being used for adjusting the adjustment mechanism of mounting bracket in frame body width direction upper position, the mounting bracket is installed on adjustment mechanism, be equipped with on the frame body and be used for detecting the skew detector that whether skew appears in the direction of movement of frame body.

Preferably, the adjusting mechanism comprises a cross beam, the cross beam is arranged on the width direction of the frame body, a sliding groove is formed in the cross beam, the top of the mounting frame is slidably connected in the sliding groove, a screw rod is arranged in the sliding groove, a screw hole is formed in the top of the mounting frame, the screw rod is arranged in the screw hole in a penetrating mode, and a motor for driving the screw rod to rotate is further arranged on the cross beam.

Preferably, the mounting frame comprises a first connecting frame and a second connecting frame, the top of the first connecting frame is inserted into the sliding groove, and the middle of the second connecting frame is hinged to the bottom of the first connecting frame; one end of the first connecting frame is used for installing a test wheel, and the other end of the first connecting frame is provided with a test board.

Preferably, a test probe mounting plate is arranged above the test board, and the test probe mounting plate is fixedly connected to the first connecting frame.

Preferably, the device further comprises a storage mechanism for suspending the test wheel, wherein the storage mechanism comprises a mounting cover and a telescopic rod, the mounting cover is fixedly connected to one side of the cross beam, a connecting rod is arranged in the mounting cover along the length direction, a strip hole is formed in the end face of the mounting cover, the end part of the connecting rod is arranged in the strip hole in a penetrating manner, and a tightening nut is arranged on the connecting rod outside the mounting cover;

one end of the telescopic rod is sleeved on the connecting rod, the other end of the telescopic rod is hinged to the second connecting frame, a spring is sleeved outside the telescopic rod, and two ends of the spring are fixed on the telescopic rod.

Preferably, the frame body includes the adjustable crossbearer of length, the both ends of crossbearer all are equipped with two wheels, the crossbearer includes spliced pole and linking frame, the spliced pole is inserted and is established on the linking frame, be equipped with the locking screw with the spliced pole locking on the linking frame.

Preferably, the connection frame is detachably provided with a test box.

The utility model also provides a road surface flatness detection system, which comprises a road surface flatness detection device and a test circuit carried on the road surface flatness detection device, wherein the test circuit comprises: the device comprises a leveling probe, a data processor, an offset detector and a motor driver, wherein the leveling probe, the offset detector and the motor driver are all connected with the data processor.

Preferably, the system further comprises a power module which provides working power for the leveling probe, the data processor, the offset detector and the motor driver.

Preferably, the display module is further included, and the display module is connected with the data processor.

The beneficial effects of the utility model are concentrated in that:

1. the frame body of the detection device is provided with the offset detector, the offset detector can detect whether the frame body is offset in the moving process, and after the offset occurs, the position of the test wheel in the width direction of the frame body is adjusted by utilizing the adjusting mechanism, so that the moving direction of the test wheel is ensured to be a straight line in the testing process, and the accuracy of detecting the road surface flatness is improved.

2. The detection device can also adjust the test wheel to the edge of the frame body through the adjusting mechanism, can detect the flatness of the edge position of the road surface, and improves the practicability of the detection device.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a detection device of the present utility model;

FIG. 2 is a schematic cross-sectional view of the adjustment mechanism of the present utility model;

FIG. 3 is an enlarged view of portion A of the structure of FIG. 1;

FIG. 4 is an enlarged view of portion B of the structure of FIG. 1;

fig. 5 is a block diagram of the architecture of the test circuitry of the detection system of the present utility model.

Legend description: 1. a test wheel; 2. an offset detector; 3. a cross beam; 4. a chute; 5. a screw rod; 6. a screw hole; 7. a motor; 8. a first connection frame; 9. a second connecting frame; 10. a test board; 11. a test probe mounting plate; 12. leveling the probe; 13. a mounting cover; 14. a telescopic rod; 15. a connecting rod; 16. a strip hole; 17. tightening the nut; 18. a spring; 19. a wheel; 20. a connecting column; 21. a connection frame; 22. a locking screw; 23. and a test box.

Detailed Description

In order to make the technical solution of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-4, the road surface flatness detection device comprises a frame body, a test wheel 1 and a mounting frame, wherein the test wheel 1 is rotatably connected to the mounting frame; in the embodiment, the frame body comprises a transverse frame with adjustable length, two ends of the transverse frame are respectively provided with two wheels 19, and when the frame is not used, the length of the transverse frame can be shortened, so that the frame can be conveniently stored; the specific structure of the transverse frame is as follows: the transverse frame comprises a connecting column 20 and a connecting frame 21, wherein the connecting column 20 is inserted into the connecting frame 21, and a locking screw 22 for locking the connecting column 20 on the connecting frame 21 is arranged on the connecting frame 21; therefore, when the detection device is used for testing, the locking screw 22 is unscrewed, the connecting column 20 is pulled out of the connecting frame 21, and after the connecting column is adjusted to a proper length, the locking screw 22 is screwed, so that the length of the transverse frame is increased and adjusted; after the test is completed, the locking screw 22 is loosened, the connecting column 20 is inserted into the connecting frame 21, then the locking screw 22 is tightened again, and the transverse frame is shortened, so that the detection device is convenient to store.

In order to ensure that the movement direction of the test wheel 1 is a straight line in the test process, the detection device further comprises an adjusting mechanism for adjusting the position of the mounting frame in the width direction of the frame body, the mounting frame is mounted on the adjusting mechanism, and the frame body is provided with an offset detector 2 for detecting whether the movement direction of the frame body is offset. Therefore, when the vehicle frame body is used, after the deviation detector 2 detects that the vehicle frame body deviates, the position of the test wheel 1 in the width direction of the vehicle frame body is adjusted by utilizing the adjusting mechanism, so that the movement direction of the test wheel 1 in the test process is ensured to be a straight line, and the accuracy of road surface flatness detection is improved.

Specifically, as shown in fig. 2, the adjusting mechanism includes a cross member 3, the cross member 3 is mounted on the width direction of the frame body, in this embodiment, the cross member 3 may be fixedly mounted on the connection post 20, or may be fixedly mounted on the connection frame 21, preferably fixedly mounted on the connection post 20; the cross beam 3 is provided with a chute 4, the top of the mounting frame is slidably connected in the chute 4, a screw rod 5 is arranged in the chute 4, the top of the mounting frame is provided with a screw hole 6, the screw rod 5 is arranged in the screw hole 6 in a penetrating manner, the cross beam 3 is also provided with a motor 7 for driving the screw rod 5 to rotate, and in the embodiment, the motor 7 can be directly connected with the screw rod 5 or can be connected by adopting direction transmission of a gear; therefore, the motor 7 drives the screw rod 5 to rotate so as to realize the sliding of the mounting frame in the sliding groove 4, and the position adjustment of the test wheel 1 is realized.

Secondly, in this embodiment, detection device still accessible adjustment mechanism is adjusted test wheel 1 to the border department of frame body, can detect the roughness of road surface border position, has improved detection device's practicality.

As a further optimization of the embodiment, as shown in fig. 2 and 4, the mounting frame comprises a first connecting frame 8 and a second connecting frame 9, wherein the top of the first connecting frame 8 is inserted into the sliding groove 4, and the middle of the second connecting frame 9 is hinged to the bottom of the first connecting frame 8; one end of the first connecting frame 8 is used for installing the test wheel 1, and the other end is provided with a test board 10.

In this embodiment, a test probe mounting plate 11 is disposed above the test board 10, and the test probe mounting plate 11 is fixedly connected to the first connection frame 8.

When the detection device is not used, the test wheel 1 needs to be suspended, so that excessive abrasion of the test wheel 1 is avoided, and the test accuracy of the test wheel 1 is prevented from being affected; therefore, as a further optimization of the embodiment, as shown in fig. 1 and 3, the device further comprises a containing mechanism for suspending the test wheel 1, wherein the containing mechanism comprises a mounting cover 13 and a telescopic rod 14, the mounting cover 13 is fixedly connected to one side of the cross beam 3, a connecting rod 15 is arranged in the mounting cover 13 along the length direction, a strip hole 16 is arranged on the end surface of the mounting cover 13, the end part of the connecting rod 15 is arranged in the strip hole 16 in a penetrating way, and a tightening nut 17 is arranged on the connecting rod 15 positioned outside the mounting cover 13;

one end of the telescopic rod 14 is sleeved on the connecting rod 15, at this time, the telescopic rod 14 can slide and rotate on the connecting rod 15, the telescopic rod 14 can synchronously move along with the installation frame, the other end of the telescopic rod 14 is hinged on the second connecting frame 9, a spring 18 is sleeved outside the telescopic rod 14, and two ends of the spring 18 are fixed on the telescopic rod 14.

As shown in fig. 3, when in use, the screw cap 17 is unscrewed to move the connecting rod 15 leftwards, so that the test wheel 1 can be suspended at the moment to protect the test wheel 1; when the connecting rod 15 moves rightwards, the test wheel 1 can be put down to be in contact with the ground to be tested; and during the adjustment the test wheel 1 needs to have a certain pressure against the ground, i.e. after the test wheel 1 has been brought into contact with the ground, the spring 18 is in a compressed state.

As a further optimization of this embodiment, the connection frame 21 is detachably provided with a test box 23, and the test box 23 is mainly used for installing the test circuit described below.

As shown in fig. 5, the present utility model further provides a road surface flatness detection system, including a road surface flatness detection device and a test circuit mounted on the road surface flatness detection device, the test circuit includes: the leveling probe 12, the data processor, the offset detector 2 and the motor 7 driver are all connected with the data processor.

In this embodiment, the data processor may be a single chip microcomputer of STM32 series, the offset detector 2 may be a gyroscope and an acceleration sensor, the offset detector 2 is used to detect whether an offset occurs in the moving direction of the frame body, the flatness detecting head is mounted on the test probe mounting board 11, and the flatness detecting head is electrically connected with the data processor through data; the motor 7 driver is used for driving the motor 7 to drive the screw rod 5 to rotate according to the control signal of the data processor.

In this embodiment, the test circuit further includes a power module and a display module, the power module providing operating power for the flat probe 12, the data processor, the offset detector 2, and the motor 7 driver. The display module is connected with the data processor and is used for displaying the test condition.

It should be noted that, for simplicity of description, the foregoing method embodiments are all expressed as a series of action combinations, but it should be understood by those skilled in the art that the present application is not limited by the described order of action, as some steps may take other order or be performed simultaneously according to the present application. Further, those skilled in the art will also appreciate that the embodiments described in the specification are all preferred embodiments and that the acts and elements referred to are not necessarily required in the present application.

Claims

1. The utility model provides a road surface roughness detection device, includes frame body, test wheel (1) and mounting bracket, test wheel (1) rotate and connect on the mounting bracket, its characterized in that: the automobile frame is characterized by further comprising an adjusting mechanism for adjusting the position of the mounting frame in the width direction of the automobile frame body, wherein the mounting frame is mounted on the adjusting mechanism, and the automobile frame body is provided with an offset detector (2) for detecting whether the moving direction of the automobile frame body is offset or not.

2. The road surface flatness detection apparatus according to claim 1, characterized in that: the adjusting mechanism comprises a cross beam (3), the cross beam (3) is arranged on the width direction of the frame body, a sliding groove (4) is formed in the cross beam (3), the top of the mounting frame is slidably connected in the sliding groove (4), a screw rod (5) is arranged in the sliding groove (4), a screw hole (6) is formed in the top of the mounting frame, the screw rod (5) is arranged in the screw hole (6) in a penetrating mode, and a motor (7) for driving the screw rod (5) to rotate is further arranged on the cross beam (3).

3. The road surface flatness detection apparatus according to claim 2, characterized in that: the mounting frame comprises a first connecting frame (8) and a second connecting frame (9), the top of the first connecting frame (8) is inserted into the sliding groove (4), and the middle of the second connecting frame (9) is hinged to the bottom of the first connecting frame (8); one end of the first connecting frame (8) is used for installing the test wheel (1), and the other end is provided with the test board (10).

4. A road surface flatness detection apparatus according to claim 3, characterized in that: the test probe mounting plate (11) is arranged above the test plate (10), and the test probe mounting plate (11) is fixedly connected to the first connecting frame (8).

5. A road surface flatness detection apparatus according to claim 3, characterized in that: the automatic test device is characterized by further comprising a storage mechanism for suspending the test wheel (1), wherein the storage mechanism comprises a mounting cover (13) and a telescopic rod (14), the mounting cover (13) is fixedly connected to one side of the cross beam (3), a connecting rod (15) is arranged in the mounting cover (13) along the length direction, a strip hole (16) is formed in the end face of the mounting cover (13), the end part of the connecting rod (15) is arranged in the strip hole (16) in a penetrating mode, and a tightening nut (17) is arranged on the connecting rod (15) located outside the mounting cover (13);

one end of the telescopic rod (14) is sleeved on the connecting rod (15), the other end of the telescopic rod is hinged on the second connecting frame (9), a spring (18) is sleeved outside the telescopic rod (14), and two ends of the spring (18) are fixed on the telescopic rod (14).

6. The road surface flatness detection apparatus according to claim 1, characterized in that: the bicycle frame comprises a bicycle frame body, wherein the bicycle frame body comprises a transverse frame with adjustable length, two wheels (19) are arranged at two ends of the transverse frame, the transverse frame comprises a connecting column (20) and a connecting frame (21), the connecting column (20) is inserted into the connecting frame (21), and locking screws (22) for locking the connecting column (20) onto the connecting frame (21) are arranged on the connecting frame (21).

7. The road surface flatness detection apparatus of claim 6, wherein: the connecting frame (21) is detachably provided with a test box (23).

8. The utility model provides a road surface roughness detecting system which characterized in that: a test circuit including the road surface evenness detecting apparatus according to any one of claims 1 to 7 and mounted on the road surface evenness detecting apparatus, the test circuit including: the leveling detector comprises a leveling detector head (12), a data processor, an offset detector (2) and a motor (7) driver, wherein the leveling detector head (12), the offset detector (2) and the motor (7) driver are connected with the data processor.

9. The pavement evenness detecting system according to claim 8, wherein: the detector also comprises a power supply module which provides working power for the leveling detector head (12), the data processor, the offset detector (2) and the motor (7) driver.

10. The pavement evenness detecting system according to claim 8, wherein: the display module is connected with the data processor.