Construction Equipment Driving Control Method

• US 20150370254A1
• Filed: 02/08/2013
• Published: 12/24/2015
• Est. Priority Date: 02/08/2013
• Status: Abandoned Application

• Current Assignee: Volvo Construction Equipment AB (Volvo AB)
• Original Assignee: Chun-Han Lee, Volvo Construction Equipment AB (Volvo AB)
• Inventors: LEE, Chun-Han
• Application Number:
  US14/765,895
• Publication Number:
  US 20150370254A1
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: B62D 11/003 Electric or electronic control systems
• CPC Class Codes: B62D 11/005 Hydraulic control systems
• CPC Class Codes: E02F 9/2079 Control of mechanical transmission for hydrostatic transmission or hydraulic torque converter E02F9/2253
• CPC Class Codes: G05D 1/0223 involving speed control of the vehicle vehicle fittings for automatically controlling, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator B60K31/00

Abstract

Disclosed is a construction equipment driving control method for controlling machine driving without using an additional straight driving pedal. According to the present invention, the construction equipment driving control method is applied to construction equipment comprising: right and left driving operation devices; a controller; right and left driving motors; right and left forward driving proportional solenoid valves; right and left backward driving proportional solenoid valves; and a setting means for setting the function for moving a machine forward or backward by the operation of the driving operation device, and the method comprises: a first step for moving the machine forward or backward by controlling the right and left driving motors correspondingly to the operation amount of operation pedals if one operation pedal among the driving operation devices is operated after a mode is converted into an activation mode by the operation of the setting means; and a second step for driving or converting, in the driving direction, the machine by controlling the right and left driving motors correspondingly to the operation amounts of the operation pedals of the driving operation devices if the pedals are simultaneously operated after a mode is converted into an inactivation mode by the operation of the setting means.

Claims

1. A traveling control method for a construction machine, which is applied to the construction machine including a lower traveling structure, an upper swing structure swingably mounted on the lower traveling structure, an operator'"'"'s cab and a working apparatus, which are mounted on the upper swing structure, a traveling manipulation device manipulated to move forward or backward for the traveling and direction change of the machine, a controller configured to compute and output a control signal in response to a manipulation signal of the traveling manipulation device, left and right traveling motors configured to allow the machine to travel in accordance with the manipulation of the traveling manipulation device, electronic proportional valves for left and right forward traveling, which are configured to output secondary control signals in response to the control signal that is output from the controller so as to allow the machine to forward travel, electronic proportional valves for left and right backward traveling, which are configured to output secondary control signals in response to the control signal output from the controller so as to allow the machine to backward travel, and a setting means configured to set a function of allowing the machine to forward or backward travel through the manipulation of the traveling manipulation device, the traveling control method comprising:

a first step of allowing the machine to forward or backward travel by controlling the left and right traveling motors so as to correspond to a manipulation amount of any one of manipulation pedals 1a and 1b of the traveling manipulation device 1 if any one of the manipulation pedals 1a and 1b is manipulated after the operating mode of the machine is switched to an active mode through the manipulation of the setting means 8; and

a second step of allowing the machine to travel or changing the traveling direction of the machine by controlling the left and right traveling motors so as to correspond to the manipulation amounts of the manipulation pedals of the traveling manipulation device if the manipulation pedals are simultaneously manipulated after the operating mode of the machine is switched to an inactive mode through the manipulation of the setting means.

2. The traveling control method according to claim 1, wherein if any one of the manipulation pedals of the traveling manipulation device is manipulated in a state where the operating mode of the machine is switched to the active mode through the manipulation of the setting means, the machine moves forward or backward, and if the left and right manipulation pedals of the traveling manipulation device are simultaneously manipulated, the operating mode of the machine is switched from the active mode to the inactive mode.

3. The traveling control method according to claim 1, wherein if one of the manipulation pedals of the traveling manipulation device is manipulated in a state where the operating mode of the machine is switched to the active mode through the manipulation of the setting means, the machine moves forward or backward, and if the other of the operation pedals of the traveling manipulation device is manipulated, the manipulation signal is not output.

4. The traveling control method according to claim 1, wherein if one of the manipulation pedals of the traveling manipulation device is manipulated in a state where the operating mode of the machine is switched to the active mode through the manipulation of the setting means, the machine moves forward or backward, and if the other of the manipulation pedals of the traveling manipulation device is manipulated, the machine changes the traveling direction thereof.

5. The traveling control method according to claim 1, wherein an electric joystick or a hydraulic joystick is used as the traveling manipulation device 1.

6. The traveling control method according to claim 1, wherein the setting means 8 is provided in a function switch, a display device (I-ECU), or a cluster, which is installed in an operator'"'"'s cab.

7. The traveling control method according to claim 1, wherein the left and right traveling motors are track motors that drive caterpillar tracks mounted on the lower traveling structure.