CN217586866U

CN217586866U - Weak foundation crack monitoring devices

Info

Publication number: CN217586866U
Application number: CN202220793838.0U
Authority: CN
Inventors: 孙世达; 贾玉; 文佳; 屈玉龙; 刘金芳; 郗磊; 赵承强
Original assignee: Road and Bridge International Co Ltd; China Communication South Road and Bridge Co Ltd
Current assignee: Road and Bridge International Co Ltd; China Communication South Road and Bridge Co Ltd
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2022-10-14
Anticipated expiration: 2032-04-07

Abstract

The utility model relates to a road foundation detects technical field, discloses a soft foundation crack monitoring devices, including the travelling car and set up transparent probe protection section of thick bamboo and super clear camera on the travelling car, set up the crack depth probe that runs through the travelling car downwards and can go up the decline in vertical direction in the probe protection section of thick bamboo, super clear camera is including the vertical camera that is used for gathering ground crack image and the horizontal camera that is used for acquireing the scale interval that establishes on the crack depth probe. The monitoring device well realizes the real-time monitoring of the crack condition in the soft foundation by applying the image recognition technology and the 5G signal transmission technology, and improves the accuracy and the real-time performance of the monitoring device.

Description

Weak foundation crack monitoring devices

Technical Field

The utility model belongs to the technical field of the road foundation detects, a soft foundation crack monitoring devices is related to.

Background

The roadbed is the foundation of the road surface, and has the effect of bearing traffic load together with the road surface, and has enough strength, deformation resistance and durability. The roadbed should be designed comprehensively as a geotechnical structure for supporting the road surface. The design of the road subgrade should adhere to the principles of investigation and research, local treatment and local material utilization. The basic principle of road construction should be met. Before design, the investigation work of relevant conditions such as engineering geology, hydrology, environment, land utilization, historical relics, ancient trails, materials and the like must be done, and correct design is made according to road grade, driving requirements and natural conditions.

Various cracks appear on the existing pavement, namely, the flatness is reduced, the attractiveness of the road is influenced, the service life of the pavement is shortened, and the reason for causing the pavement cracks is many: shrinkage of the dry soil; soft foundations or roadbed layers; paving pavement cracks with poor joints; shrinkage of the asphalt layer; and (4) daily temperature cycling. When the road surface cracks, rainwater can seep into the base course, the subbase and even the roadbed through the cracks, so that the concrete roadbed can be corroded, the strength of the base course and the soil foundation is weakened, the damage of the road is accelerated, and the service life of the road surface is shortened. If the soft foundation is mainly characterized by high water content, large soil gap, loose soil and the like, the soft foundation is not easy to stabilize and can not meet the standard requirements of the road and bridge engineering foundation. The road may be further deteriorated in the current situation that the traffic is increasingly loud, and therefore, the repair and maintenance of the road are particularly important.

The crack state in the foundation soil is helpful for accurately judging the stable condition of the foundation soil, researchers can detect the depth, the opening degree, the position and the like of the crack for better understanding the characteristics of the crack, most of the existing detection methods measure the crack through a measuring scale, but due to the complexity of the shapes of the crack depth, the opening degree and the like, the measurement data are inaccurate, and the deep research of the researchers is not facilitated. Therefore, it becomes important how to accurately collect crack information in the foundation soil and how to use the collected information to judge the state of the foundation soil in time.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a weak ground crack monitoring devices based on 5G signal and image recognition technology application for solve the problem of the accurate collection of crack in the foundation soil.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a soft foundation crack monitoring devices, including the travelling car, set up a transparent probe protection section of thick bamboo and super clear camera on this travelling car, set up the crack depth probe that runs through the travelling car downwards and can go up the decline in vertical direction in the probe protection section of thick bamboo, super clear camera is including the vertical camera that is used for gathering ground crack image and the horizontal camera that is used for acquireing the scale interval that establishes on the crack depth probe.

Further, the vertical camera adopts a linear array camera.

Furthermore, a positioner is also arranged on the movable trolley.

Further, the top of the probe protection barrel is provided with a telescopic rod and a program controller, the crack depth probe is sleeved on the telescopic rod, and the program controller is used for controlling the action of the telescopic rod.

Furthermore, the inner wall of the probe protection barrel is provided with a plurality of layers of wheel type supporting mechanisms arranged at intervals along the extension direction of the probe protection barrel, and the wheel type supporting mechanisms of the single layer are provided with 2-4 uniformly distributed rollers through a wheel carrier in the radial direction of the probe protection barrel.

Furthermore, the monitoring device also comprises a 5G signal transmitter, a 5G signal receiver, a host and a display terminal, wherein the 5G signal transmitter is arranged on the movable trolley, and the 5G signal receiver is arranged on the host and is in communication connection with the 5G signal transmitter through a satellite; the display terminal is in communication connection with the host.

Further, the display terminal adopts a mobile display device or a fixed display device.

Furthermore, a transverse moving platen is arranged on the movable trolley along the width direction of the movable trolley, and the horizontal camera and the probe protection barrel are arranged on the transverse moving platen.

Furthermore, still be provided with the support that is used for installing solar panel on the travelling car, solar panel passes through the super clear camera of cable junction.

The technical effects of the utility model lie in:

1. the utility model provides a soft ground crack monitoring devices through application image recognition technology, 5G signal transmission technique, has realized the real-time supervision to vertical crack situation in the soft ground betterly, has improved monitoring devices's accuracy and real-time.

2. The utility model provides a soft foundation crack monitoring devices arranges through the linear array of vertical camera and can monitor information such as crack aperture, image, can monitor crack depth information through horizontal camera and probe cooperation, can monitor crack locating information through the locator, has simple structure, convenient to use, and advantage that efficiency of software testing is high can be used to not equidimension gap monitoring. Meanwhile, the measured information such as the opening, depth and positioning of the crack can be directly transmitted to the terminal in time and stored in the terminal equipment.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention will be realized and attained by the specification which follows.

Drawings

For the purposes of promoting a better understanding of the objects, features and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic view of the overall structure of the soft foundation crack monitoring device of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

reference numerals: the device comprises a mobile trolley 1, a solar panel 2, a support 3, a 5G signal transmitter 4, a cable 5, a vertical camera 6-1, a horizontal camera 6-2, a positioner 7, a crack depth probe 8, a probe protection cylinder 9, a telescopic rod 10, a program controller 11, a satellite 12, a 5G signal receiver 13, a host 14, a display terminal 15, a transverse moving bedplate 16, a wheel carrier 17 and a roller 18.

Detailed Description

The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

As shown in fig. 1-2, the device for monitoring cracks in soft foundation according to the present embodiment includes a mobile cart 1, a solar panel 2, a bracket 3, a 5G signal transmitter 4, a cable 5, an ultra-clear camera, a positioner 7, a crack depth probe 8, a probe protection cylinder 9, an expansion link 10, a program controller 11, a satellite 12, a 5G signal receiver 13, a host 14, a display terminal 15, a roller 18, and a wheel carrier 17, wherein: the movable trolley 1 moves in the area range along the route set by the program, and real-time positioning in moving is implemented by the aid of a vehicle-mounted positioner carried by the movable trolley 1, so that the aim of accurately acquiring crack position information is fulfilled. The solar panel 2 converts solar energy into electric energy and transmits the electric energy to the ultra-clear camera, the positioner 7, the 5G signal transmitter 4 and the program controller 11 through the cable 5 in the bracket 3; the probe protection cylinder 9 is fixedly arranged on the movable trolley 1, is transparent, and is internally provided with a crack depth probe 8 which penetrates through the movable trolley 1 downwards and can ascend and descend in the vertical direction; the ultra-clear camera comprises a vertical camera 6-1 for collecting a ground crack image and a horizontal camera 6-2 for acquiring a scale value set on the crack depth probe 8; the top of the probe protection cylinder 9 is provided with a telescopic rod 10 and a program controller 11, the crack depth probe 8 is sleeved on the telescopic rod 10, the program controller 11 is used for controlling the action of the telescopic rod 10 and is electrically connected with the solar panel 2, namely, the telescopic motion of the telescopic rod 10 can drive the crack depth probe 8 to vertically lift, and the crack depth is detected; the 5G signal transmitter 4 is arranged on the movable trolley 1 and is electrically connected with the solar panel 2, the 5G signal receiver 13 is arranged on the host 14 and is in communication connection with the 5G signal transmitter 4 through the satellite 12, the display terminal 15 is in communication connection with the host 14, namely information such as a crack image and an opening degree obtained by the vertical camera, crack depth information obtained by the horizontal camera and crack positioning information obtained by the positioner are all sent out through the 5G signal transmitter 4, the crack depth information and the crack positioning information obtained by the horizontal camera are fed back to the host after being received by the 5G signal receiver 13, the crack positioning information is displayed on the display terminal after being analyzed and processed by the host, and the transmission of real-time monitoring data is carried out through the 5G signal, so that the delay is small, and a good real-time monitoring effect is achieved. Meanwhile, the display terminal can also be operated reversely to obtain the control effect, for example, a program controller is operated, so that the crack depth probe can work.

The vertical camera 6-1 in the embodiment adopts a line camera, so that information such as a ground crack image and opening degree can be better acquired.

In the present embodiment, a plurality of layers of wheel-type supporting mechanisms are arranged at intervals along the extending direction of the inner wall of the probe protection barrel 9, and the single layer of wheel-type supporting mechanism is provided with 3 uniformly distributed rollers 18 in the radial direction of the probe protection barrel 9 through a wheel carrier 17. Through the design of gyro wheel, can make crack depth probe 8 reliable and stable in vertical lift action.

The display terminal 14 in this embodiment may be a mobile display device, such as a mobile phone, a tablet or other handheld device, or a fixed display device, such as a display, and the screens of the mobile display device, the tablet or other handheld device may have a touch screen structure. Therefore, the human resources can be saved better through the reflection of the display equipment.

The traverse table 16 is mounted on the traveling carriage 1 in the width direction thereof in this embodiment, and the horizontal camera 6-1 and the probe protection cylinder 9 are mounted on the traverse table 16. Therefore, the transverse movement of the transverse moving platen and the longitudinal movement of the moving trolley can enable the crack depth probe to complete the XY-direction movement of the horizontal plane, and the crack depth probe is matched with the vertical Z-direction movement to ensure that the crack depth probe obtains the accurate depth value of the ground crack. The transverse moving bedplate can be driven by conventional equipment such as a motor, a transmission mechanism and the like, and the power supply of the transverse moving bedplate can also be provided by a solar panel.

When the movable trolley is used, in the moving process of the movable trolley 1, the position information is obtained through the positioner 7 arranged in the trolley body, and the opening information of the ground crack is identified and collected through the vertical camera 6-1; and after the vertical camera discerns the ground crack, program controller 11 at the top of the probe protection cylinder 9 will start, promote the telescopic link 10 to move downwards, and cooperate with the movement of the horizontal movement platen 16, ensure that the crack depth probe 8 stretches into the crack tip, the gyro wheel 18 on the wheel carrier 17 will rotate in the probe protection cylinder in the course of this crack depth probe downward movement, ensure that the crack depth probe does not take place the skew of horizontal direction, in order to ensure the certainty factor of the crack depth information gathered, the scale information on the crack depth probe will gather through the horizontal camera 6-2 at this moment. Then, the acquired crack image, crack opening information, crack position information and crack depth information are sent to a satellite 12 in the form of 5G signals through a 5G signal transmitter 4, the acquired information is transmitted to a far-end 5G signal receiver 13 in the form of 5G signals by the satellite and is transmitted to a host 14 through a cable, and then the crack distribution and development conditions of the soft foundation at the moment are obtained through processing and calculating the acquired information, so that the stable state of the soft foundation at the moment is judged and displayed on a display terminal 15. The device well realizes the real-time monitoring of the crack condition in the soft foundation by applying the image recognition technology and the 5G signal transmission technology, and improves the accuracy and the real-time performance of the monitoring device.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.

Claims

1. The monitoring device for the cracks of the soft foundation comprises a moving trolley (1) and is characterized in that a transparent probe protection cylinder (9) and a super-clean camera are arranged on the moving trolley, a crack depth probe (8) which penetrates through the moving trolley downwards and can ascend and descend in the vertical direction is arranged in the probe protection cylinder, and the super-clean camera comprises a vertical camera (6-1) used for collecting a crack image of the foundation and a horizontal camera (6-2) used for acquiring a scale value arranged on the crack depth probe.

2. The weak foundation crack monitoring device of claim 1, wherein the vertical camera is a line camera.

3. The weak foundation crack monitoring device of claim 1, characterized in that a positioner (7) is further arranged on the moving trolley.

4. The soft foundation crack monitoring device of claim 1, wherein a telescopic rod (10) and a program controller (11) are arranged at the top of the probe protection cylinder, the crack depth probe is sleeved on the telescopic rod, and the program controller is used for controlling the action of the telescopic rod.

5. The weak foundation crack monitoring device of claim 4, characterized in that the inner wall of the probe protection cylinder is provided with a plurality of layers of wheel type supporting mechanisms arranged at intervals along the extending direction of the probe protection cylinder, and the single layer of wheel type supporting mechanisms are provided with 2 to 4 uniformly distributed rollers (18) through a wheel frame (17) in the radial direction of the probe protection cylinder.

6. The soft foundation crack monitoring device according to claim 1, further comprising a 5G signal transmitter (4), a 5G signal receiver (13), a host computer (14) and a display terminal (15), wherein the 5G signal transmitter is arranged on the mobile trolley, and the 5G signal receiver is arranged on the host computer and is in communication connection with the 5G signal transmitter through a satellite (12); and the display terminal is in communication connection with the host.

7. The weak foundation crack monitoring device of claim 6, wherein the display terminal is a mobile display device or a fixed display device.

8. The weak foundation crack monitoring device as claimed in claim 1, wherein a traverse table (16) is provided on the traveling carriage in the width direction thereof, and the horizontal camera and the probe protection cylinder are provided on the traverse table.

9. The soft foundation crack monitoring device of claim 1, wherein the moving trolley is further provided with a support (3) for mounting a solar panel (2), and the solar panel is connected with the ultra-clear camera through a cable (5).