WO2013053291A1

WO2013053291A1 - Vibrating roller

Info

Publication number: WO2013053291A1
Application number: PCT/CN2012/082083
Authority: WO
Inventors: 吴双生; 陈翔; 祝雪峰; 刘仕奇; 裴辉; 帅国菊; 江文
Original assignee: 中联重科股份有限公司; 湖南中联重科专用车有限责任公司
Priority date: 2011-10-11
Filing date: 2012-09-26
Publication date: 2013-04-18
Also published as: CN102359054B; CN102359054A

Abstract

A vibrating roller comprises a first distance detection device (1) and a controller (2). The first distance detection device (1) is mounted on a side surface of the vibrating roller and is used for detecting the distance to the road surface at the side surface of the vibrating roller. The controller (2) is connected with the first distance detection device (1). The controller (2) controls the vibrating roller to stop vibrating when the distance exceeds a first threshold value range. The vibrating roller is provided with the distance detection device (1), and the distances between a vibrating wheel (3) and the edges of two side road surfaces can be detected in time, the controller (2) can control the vibrating wheel (3) to stop vibrating in time, and a flip phenomenon caused by the fact that the vibrating wheel (3) vibrates continuously and overrides the edge of the road surface can be avoided, so safety of the vibrating roller is improved.

Description

Vibratory roller

Technical field

The present invention relates to a road surface machine, and in particular to a vibratory roller. Background technique

Currently, vibratory rollers are widely used in road construction. It relies on its own gravity and vibration to compact various building and road construction materials. In highway construction, vibratory rollers are most suitable for compacting various non-sticky soils, gravel, gravel mixes and various asphalt concretes. Among them, vibratory roller can be mainly divided into single drum vibratory roller and double drum vibratory roller. However, in actual construction, the driver's line of sight is limited, and it is easy to accident. For example, when the vibratory roller travels to the edge of the roadbed, the vibration wheel will be caused because the driver's line of sight is limited and the vibration of the vibrating wheel is not stopped. The phenomenon that the edge of the subgrade vibrates collapses, even causing the vibratory roller to tip over, so it is of positive significance to provide a vibratory roller that can avoid the tilting of the device caused thereby. Summary of the invention

SUMMARY OF THE INVENTION An object of the present invention is to provide a vibratory roller capable of avoiding tipping due to pressing of an edge of a road surface to improve the safety of the vibratory roller.

In order to achieve the above object, the present invention provides a vibratory roller comprising a first distance detecting device and a controller, wherein the first distance detecting device is mounted on a side of the vibratory roller and is used for detecting a side surface of the vibratory roller The distance between the controller is connected to the first distance detecting device, and when the distance exceeds the first threshold range, the controller controls the vibratory roller to stop vibrating.

Preferably, the first distance detecting device is an ultrasonic radar.

Preferably, the ultrasonic radar is used for detecting vertical between the road surface and the side surface of the vibratory roller Distance.

Preferably, the ultrasonic radar protrudes outwardly from a vertical plane of the outer edge of the vibrating wheel of the vibratory roller.

Preferably, the ultrasonic radar protrudes outward from the vertical surface of the vibrating wheel of the vibratory roller by a distance of 10-30 cm.

Preferably, the ultrasonic radar protrudes forward or backward from the vertical plane of the axis of the vibratory wheel of the vibratory roller.

Preferably, the ultrasonic radar has a distance of 10-30 cm which protrudes forward or backward from the vertical plane of the axis of the vibrating wheel of the vibratory roller.

Preferably, each side of the vibratory roller includes two of the ultrasonic radars, one of which is protruded forward from the vertical plane of the axis of the vibrating wheel of the vibratory roller, and the other ultrasonic radar protrudes rearward. The vertical plane of the axis of the vibrating wheel of the vibratory roller.

Preferably, the distance of the one ultrasonic wave radar protruding forward from the vertical plane of the axis of the vibration wheel of the vibratory roller is 10-30 cm, and the other ultrasonic radar protrudes rearward from the vibration of the vibratory roller The distance from the vertical plane where the axis of the wheel is located is 10-30 cm.

Preferably, the first threshold range is 80% - 120% of a vertical distance between the first distance detecting device and a lowest point of the vibrating wheel of the vibratory roller.

Preferably, the vibratory roller further includes an alarm, and the controller controls the alarm to alarm when the distance exceeds a first threshold range.

Preferably, the vibratory roller further includes a second distance detecting device mounted on a front side and a rear side of the vibratory roller, and respectively for detecting an obstacle and a rear side of the front side of the vibratory roller The distance between the obstacles, the controller is connected to the second distance detecting device, and when the distance is less than the second threshold range, the controller controls the vibratory roller to stop traveling.

Preferably, the second threshold ranges from 1 to 2 m. Preferably, the vibratory roller further includes a camera and a display screen for transmitting video around the vibratory roller to the display screen.

Preferably, the camera is mounted on a front side and a rear side of the vibratory roller.

According to the above technical solution, since the vibratory roller provided by the present invention is equipped with a distance detecting device, the distance between the vibrating wheel and the edge of the road surface on both sides can be detected in time, so that the vibrating wheel can be controlled in time by the controller to stop the vibration, and the vibrating wheel can be continuously vibrated. The phenomenon of tipping caused by the edge of the road surface is crushed, thereby improving the safety of the vibratory roller provided by the present invention.

Other features and advantages of the invention will be described in detail in the detailed description which follows. DRAWINGS

The drawings are intended to provide a further understanding of the invention, and are in the In the drawing:

1 is a schematic plan view showing a vibratory roller provided by the present invention. detailed description

The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are intended to be illustrative and not restrictive.

In the present invention, the orientation words used, such as "front and rear", are generally defined in the normal running state of the vibratory roller provided by the present invention, unless otherwise stated.

As shown in FIG. 1, the present invention provides a vibratory roller comprising a first distance detecting device 1 and a controller 2, wherein the first distance detecting device 1 is mounted on a side of the vibratory roller and is used for detecting a side surface of the vibratory roller The distance between the controller 2 is connected to the first distance detecting device 1. When the distance exceeds the first threshold range, the controller 2 controls the vibratory roller to stop. Stop the vibration.

In the above technical solution, since the first distance detecting device for detecting the distance from the side road surface is mounted on the side surface of the vibratory roller, the first distance detecting device can transmit the distance between the road surface and the side surface of the vibratory roller in real time. To the controller 2, the distance is compared with the first threshold range by the controller 2, and when the distance exceeds the first threshold range, that is, when the edge of the side road surface is detected, the controller 2 controls the vibration wheel of the vibratory roller to stop vibrating Therefore, the phenomenon that the vibrating wheel is continuously vibrated to crush the edge of the road surface is avoided, thereby improving the safety of the vibratory roller provided by the present invention.

It should be noted that when the detected distance exceeds the first threshold range, that is, when the edge of the side road surface is detected, it is usually encountered a downward depression such as a ditch near the edge of the road surface, and if the vibration wheel does not stop. Vibration, which will cause the edge of the road to be crushed, causing the machine to roll over. The invention will now be described in the preferred embodiments of the invention, but this preferred embodiment is intended to limit the invention.

In a preferred embodiment, preferably, the first distance detecting device 1 is an ultrasonic radar. Like the controller (preferably a PLC controller) used in the present invention, the ultrasonic radar is a common component in the art and is practical and convenient. Of course, other distance detecting devices such as infrared rays, lasers, and the like may be used, and the present invention is not limited thereto as long as the object of the present invention is satisfied.

In the technical solution of the present invention, in order to more accurately acquire the actual distance between the ultrasonic radar and the ground, it is preferable that the ultrasonic radar is used to detect a vertical distance from the road surface on the side of the vibratory roller. By transmitting the change in the vertical distance to the controller, the road surface condition is judged so that the controller makes a correct judgment.

In addition, in order to know the change of the road surface before the vibratory roller travels to the edge of the side road surface, causing the advance processing and stopping the vibration of the vibration wheel in time, preferably, the ultrasonic radar protrudes outward from the vibration wheel 3 of the vibratory roller. The vertical plane where the edge is located. That is, the ultrasonic radar detects the edge of the road surface before the vibration wheel of the vibratory roller, and the object of the present invention is more safely achieved. Wherein, preferably, the ultrasonic radar protrudes outwardly from the outer edge of the vibrating wheel 3 of the vibratory roller The distance in the vertical plane is preferably 10-30 cm.

In addition to the above method, preferably, the ultrasonic radar protrudes forward or backward from the vertical plane of the axis of the vibrating wheel 3 of the vibratory roller. By providing the ultrasonic radar in this manner, the ultrasonic radar detects the edge of the road surface before the contact portion of the vibrating wheel and the ground, and the object of the present invention is more safely achieved. Preferably, the ultrasonic radar protrudes forward or backward from the vertical plane of the axis of the vibrating wheel 3 of the vibratory roller by a distance of 10-30 cm.

More preferably, each side of the vibratory roller comprises two ultrasonic radars, one of which protrudes forward from the vertical plane of the axis of the vibrating wheel 3 of the vibratory roller, and the other ultrasonic radar protrudes rearwardly from the vibratory roller The vertical plane of the axis of the vibrating wheel 3. The vibratory roller provided by the present invention can cope with the conditions of forward compaction or reverse compaction.

Wherein, as a preferred embodiment, an ultrasonic radar protrudes forward from the vertical plane of the axis of the vibrating wheel 3 of the vibratory roller by a distance of 10-30 cm, and the other ultrasonic radar protrudes backward from the vibrating wheel of the vibratory roller The distance from the vertical plane of the axis of 3 is 10-30 cm.

In the above technical solution, in order to realize the protrusion of the ultrasonic radar, it may be realized by providing a suitable bracket (shown schematically in Fig. 1), which is well known to those skilled in the art, and is not excessive here. Narration.

Further, in the present invention, it has been experimentally and empirically shown that the first threshold range of the present invention is 80% - 120% of the vertical distance between the first distance detecting means 1 and the lowest point of the vibrating wheel 3 of the vibratory roller. That is, when the vertical distance detected by the first distance detecting device 1 from the side road surface exceeds the range, it is considered to exceed the first threshold value range.

Preferably, the vibratory roller further includes an alarm 4, and when the distance exceeds the first threshold range, the controller 2 controls the alarm 4 to alarm, that is, when the controller 2 controls the vibrating wheel to stop vibrating, the driver is simultaneously reminded to The driver performs the traveling direction correction of the vibratory roller. When the detected distance meets the first threshold range, the driver or the controller restores the vibration operation of the corresponding vibrating wheel.

In order to improve the present invention, the vibratory roller provided by the present invention can also automatically detect the front side and the back side. The obstacles are assisted by the driver to perform safe driving to prevent the vibratory roller from colliding with obstacles or related personnel, for example, because the line of sight is restricted during the retracting operation, thereby further improving the safety of the vibratory roller. Therefore, preferably, the vibratory roller further includes a second distance detecting device 5 mounted on the front side and the rear side of the vibratory roller, and respectively for detecting an obstacle on the front side and a rear side obstacle of the vibratory roller The controller 2 is connected to the second distance detecting device 5, and when the distance is smaller than the second threshold range, the controller 2 controls the vibratory roller to stop traveling.

Preferably, the second threshold is in the range of l-2 m to provide sufficient reaction time for the driver or to offset the running inertia of the vibratory roller. Further, like the first distance detecting device, the second distance detecting device is also preferably an ultrasonic radar.

Further, in order to overcome the blind spot around the vehicle body, i.e., the blind spot that is not visible to the driver, preferably, the vibratory roller further includes a camera 6 and a display screen 7, and the camera 6 is used to transmit the video around the vibratory roller to the display screen 7. More preferably, the camera 6 is mounted on the front side and the rear side of the vibratory roller. With this setting, the driver can view the condition around the vibratory roller on the display to provide a reference for the driver's next operation, thereby further ensuring the safety of the vibratory roller. In addition, through the camera, it is also convenient for the driver to check the accurate situation when the alarm occurs when the alarm device alarms, which is convenient and practical.

In summary, the vibratory roller provided by the invention has strong safety, practicability and promotion value.

The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the specific details of the above embodiments, and various simple modifications of the technical solutions of the present invention may be made within the scope of the technical idea of the present invention. These simple variations are within the scope of the invention.

It should be further noted that the specific technical features described in the above specific embodiments may be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present invention has various possibilities. The combination method will not be described separately. In addition, any combination of various embodiments of the invention may be made, as long as it does not deviate from the idea of the invention, and should also be regarded as the disclosure of the invention.

Claims

A vibratory roller, characterized in that the vibratory roller comprises a first distance detecting device (1) and a controller (2), the first distance detecting device (1) being mounted on a side of the vibratory roller and used For detecting the distance between the road surface and the side surface of the vibratory roller, the controller (2) is connected to the first distance detecting device (1), and when the distance exceeds the first threshold range, the controller (2) The vibratory roller is controlled to stop vibrating.

The vibratory roller according to claim 1, wherein the first distance detecting device (1) is an ultrasonic radar.

The vibratory roller according to claim 2, wherein the ultrasonic radar is used to detect a vertical distance from a road surface on the side of the vibratory roller.

4. Vibratory roller according to claim 3, characterized in that the ultrasonic radar protrudes outwardly from the vertical plane of the outer edge of the vibrating wheel (3) of the vibratory roller.

The vibratory roller according to claim 4, wherein the ultrasonic radar protrudes outward from the vertical surface of the vibrating wheel (3) of the vibratory roller by a distance of 10 to 30 cm.

The vibratory roller according to claim 3, characterized in that the ultrasonic radar protrudes forward or backward from a vertical plane on which the axis of the vibrating wheel (3) of the vibratory roller is located.

The vibratory roller according to claim 6, wherein the ultrasonic radar protrudes forward or backward from the vertical plane of the axis of the vibrating wheel (3) of the vibratory roller The distance is 10-30cm.

8. The vibratory roller according to claim 3, wherein each side of the vibratory roller comprises two of the ultrasonic radars, wherein one ultrasonic radar protrudes forward from the vibrating wheel of the vibratory roller (3) The vertical plane on which the axis is located, the other ultrasonic radar protrudes rearward from the vertical plane of the axis of the vibrating wheel (3) of the vibratory roller.

The vibratory roller according to claim 8, wherein the distance between the vertical surface of the vibrating wheel (3) of the vibratory roller and the axis of the ultrasonic radar is 10-30 cm. Another ultrasonic radar protrudes rearward from the vibrating wheel of the vibratory roller

The distance between the vertical plane of the axis of (3) is 10-30 cm.

The vibratory roller according to claim 1, wherein the first threshold range is between the first distance detecting device (1) and a lowest point of the vibrating wheel (3) of the vibratory roller 80%-120% of the vertical distance.

11. The vibratory roller according to claim 1, wherein the vibratory roller further comprises an alarm (4), wherein the controller (2) controls the alarm when the distance exceeds a first threshold range (4) Alarm.

The vibratory roller according to claim 1, wherein the vibratory roller further comprises a second distance detecting device (5), and the second distance detecting device (5) is mounted on a front side of the vibratory roller And a rear side, and respectively for detecting a distance between the front side obstacle and the rear side obstacle of the vibratory roller, the controller (2) being connected to the second distance detecting device (5), when the distance When less than the second threshold range, the controller (2) controls the vibratory roller to stop traveling.

The vibratory roller according to claim 12, wherein the second threshold ranges from 1 to 2 m.

The vibratory roller according to claim 1, wherein the vibratory roller further comprises a camera (6) and a display screen (7), wherein the camera (6) is configured to transmit the video around the vibratory roller to the camera On the display (7).

The vibratory roller according to claim 14, wherein the camera (6) is mounted on a front side and a rear side of the vibratory roller.