Single handle control method and system for excavator

A control system and single-handle technology, which is applied in earth movers/shovels, construction, etc., can solve the problems of complicated operation process, difficult for beginners to master the operation technology, and difficulty of two-handed operation, so as to improve the accuracy , Conducive to popularization and implementation, the effect of simple structure

Inactive Publication Date: 2014-01-01
于进策
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The method of controlling the excavator with both hands at the same time is more complicated to operate, and it is difficult to operate with both hands. It is difficult for beginners to master the operation technology proficiently.
In fact, the existing way of operating an excavator with both hands must be mastered after a long period of practice, so that a working arm can reach a smooth working state. This operating technology needs to be improved

Method used

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  • Single handle control method and system for excavator
  • Single handle control method and system for excavator
  • Single handle control method and system for excavator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Embodiment 1: A single handle control method for an excavator, using the forward and backward movements of the single handle to control the hydraulic pilot valves 1 and 2 respectively, so that the hydraulic pilot valves 1 and 2 control the reversing valve of the boom cylinder to make the boom Oil cylinder extension and contraction movement; the left and right movements of the single handle are used to control the hydraulic pilot valves 3 and 4 respectively, so that the hydraulic pilot valves 3 and 4 control the hydraulic motor to rotate left and right; the single handle is equipped with a handle cover and can be axially Sliding and turning, use the upward and downward movement of the handle sleeve to control the hydraulic pilot valves 5 and 6 respectively, so that the hydraulic pilot valves 5 and 6 control the extension and retraction of the stick; use the left-handed and right-handed movement of the handle sleeve to control the hydraulic pilot valve respectively 7 and 8...

Embodiment 2

[0020] Example 2: see figure 1 , The excavator of the excavator single-handle control system includes a car body 1, a cab 2 and crawlers. Wherein the boom 8 positioned on the car body rotates together with the driver's cab, and the rotating part comes from the central turning device 4 and is driven by the hydraulic motor 5 . The car body 1 is also provided with components such as a main pump 6 , a hydraulic oil tank 7 and a valve group 16 . A stick 8 is hinged with the boom 10 , and a bucket 12 is hinged with the end of the stick 8 . The boom cylinder 11 that drives the boom 10 to move up and down is located on the boom 10 and is used to drive the arm to move. The arm cylinder 9 is located on the arm 8 and is used to drive the bucket 12 and other components. P1 and P2 are pressure gauges.

[0021] see figure 2 , the single-handle operation mode is adopted, and the hydraulic pilot valve group 21 is arranged on the lower side of the single handle, and the hydraulic pilot va...

Embodiment 3

[0025] Embodiment 3: Another single-handle control system for an excavator. The main structure of the excavator is not described in detail, and reference may be made to Embodiment 2.

[0026] About the handle control part:

[0027] The process for controlling the expansion and contraction of the arm cylinder and the left-hand and right-hand rotation of the hydraulic motor is the same as that of Embodiment 2, which can be referred to figure 2 , that is, a hydraulic pilot valve group 21 is set on the lower side of the single handle, and the hydraulic pilot valve group 21 includes two hydraulic pilot valves for controlling the boom cylinder reversing valve 11 and for controlling the hydraulic motor 5 to turn left and Two hydraulic pilot valves for right turn movement.

[0028] The methods used to control the expansion and contraction of the boom cylinder and the bucket cylinder are as follows: see Figure 5 A handle sheath 301 is set on the upper side of the operating rod 302 ...

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PUM

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Abstract

The invention discloses a single handle control method and a system for an excavator. According to the single handle control method for the excavator, extending and retracting movement of a boom cylinder is controlled through forward and backward movement of a single handle; hydraulic motor rotation towards the left and the right is controlled through single handle movement towards the left and the right; the single handle which is provided with a handle sleeve can slide and rotate axially; extension and retraction of a bucket rod are controlled through upward and downward movement of the handle sleeve. The single handle control method for the excavator has the advantages of enabling all excavating actions to be operated through one hand, confirming to the human engineering principle, being convenient for an operator to rapidly master skills due to single hand operation, enabling operation to be simple and confirming to human psychological and physical rules. The single handle control system for the excavator has the advantages of being simple in structure, low in cost, easy to produce and transform and convenient to popularize and implement.

Description

technical field [0001] The invention belongs to the technical field of excavator control, and in particular relates to an excavator single handle control method and system. Background technique [0002] At present, the control mode of the existing excavator is to control both hands at the same time, the handle of the left hand moves back and forth to control the expansion and contraction of the arm, the handle of the left hand moves left and right to control the left and right rotation of the central slewing device; the handle of the right hand moves back and forth to control the lifting movement of the boom, The handle of the right hand moves left and right to control the digging and unloading action of the bucket. The method of simultaneously controlling the excavator by both hands is relatively complicated in operation, and the operation of both hands is difficult, so it is difficult for beginners to master the operation technology proficiently. In fact, the existing way...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02F9/20E02F9/22
Inventor 于进策于彩珍
Owner 于进策
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