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Control of double drum rollers
Release time:
2023-01-31
Source:
Double drum road roller is zhejiang blue pavement construction equipment, mainly used for repeated crushing zhejiang blue pavement just paved zhejiang blue pavement. Nowadays, the roller should be real-time curve and cutting edge pressure in the construction process, and the front and rear rollers are laterally offset grinding. In this way, the approach and separation from the loading rollers become easy, and leakage pressure and interference can be avoided to improve the construction quality. Like this, the construction of the front and rear rollers offset work in the way of the crab row, then, below together with the control method of the double drum roller!
Like this loading rollers in the crab walk, usually by the front and rear of the frame and installed in the hinge device on the steering cylinder, so the driver can not actually know the size of the front and rear of the steel rollers of the offset, the driver according to the experience or in addition, the front and rear of the steel wheels offset distance is too large or too small, will affect the compaction effect of the curb part of the zhejiangqing road surface. Double steel wheel roller in the related technology, with the roller walking crab, the driver can not easily judge actually before and after the roller offset distance to meet the construction requirements, has not yet proposed an effective solution.
It is an object of the double drum roller to provide a double roller press and a method, device and system for controlling crab walking thereof, so as to enable the driver's control of the actual offset distance of said front and rear rollers. According to an aspect of the present invention, there is provided a method of controlling the traveling of a double runway crab, comprising: obtaining, at the time of deciding on a traveling operation of the double runway crab, an actual steering angle of the wheels corresponding to the traveling operation of the crab; controlling an offset of the wheels of the crab row according to the actual steering angle and the correspondence between the steering angle and the offset of the crab row. further comprising: receiving an operator-set crab travel offset before obtaining the actual steering angle of the wheel corresponding to said crab traveling operation: thus, controlling the crab travel offset of the wheel according to the above-described actual turning angle and the correspondence between the turning angle and the crab travel offset is: determining the actual crab travel offset of the wheel according to the actual turning angle and the correspondence between the turning angle and the crab travel offset, and thereby determining the actual offset of the wheels.
The dual drum roller receives the crab row offset set by the operator before obtaining the actual steering angle of the wheel corresponding to the crab row operation described above: thus, controlling the crab row offset of the wheel based on the actual steering angle and the correspondence between the steering angle and the crab row offset described above comprises deciding the steering angle corresponding to the set crab row offset based on the set crab row offset and the correspondence between the steering angle and the crab row offset: In the case where the difference between the actual turning angle and the turning angle corresponding to the set crab row offset is within a second specified range, control is performed to stop the steering operation of the wheels.
Control to cause the wheels to back up to an initial position based on the actual steering angle after the dual drum roller receives an indication of a crab row cut-off operation based on a trigger from an operator. According to another aspect of the present invention, there is provided a control device for a two-wheel load roller having: a steering angle acquisition module for acquiring an actual steering angle of a wheel corresponding to a crab traveling operation at the time of the crab traveling operation by the two-wheel load roller. The offset control module is used to control the crab traveling offset of the wheels based on the actual steering angle acquired by the steering angle acquisition module and a correspondence between the steering angle and the crab traveling offset. Wherein, the controller includes the above-described device and a steering angle detection device which detects an actual steering angle of a wheel utilizing the double-roller roller press to perform a crab walking operation, and sends the actual steering angle to the controller.
The double roller press is on a rear frame to hinge device link shaft and/or a front frame to hinge device link shaft . According to another aspect of the present invention, there is provided a double roller press comprising the system described above. The present invention is capable of controlling the amount of traveling offset of a wheel corresponding to a traveling operation by obtaining the actual turning angle of the wheel corresponding to the traveling operation, and is capable of controlling the wheel without relying on the driver's experience and observation method, and improves the convenience of control and the correctness of control, and in the case of walking utilizing an existing two-wheeled vehicle, the distance at which the wheel is actually offset in front and behind the driver.
The above introduction is the control method of double drum roller, if you need to know more, feel free to contact us!
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