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An automatic pile-pressing control system and control method for construction machinery

A technology of construction machinery and control systems, applied in general control systems, control/adjustment systems, program control, etc., can solve problems such as low height and complicated operation, reduce operation difficulty, improve construction efficiency and operation accuracy, and improve control The effect of precision and degree of automation

Active Publication Date: 2021-07-30
GUANGDONG LIYUAN HYDRAULIC MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to address the above-mentioned deficiencies and provide an automatic pile-pressing control system and method for engineering machinery, which can complete the pile-pressing operation through the mutual cooperation of the control unit, the execution unit and the signal sensing unit; the automatic pile-pressing control system The digital integrated controller uses the first pressure sensor to obtain the clamping signal of the pile gripper to the pile body, and uses the first electromagnetic reversing valve to execute the clamping and loosening of the pile body by the pile clamping cylinder, and then uses the first proximity switch, the second The second proximity switch obtains the stroke position of the pile clamp, and uses the second electromagnetic reversing valve to execute the pile pressure oil cylinder to raise and lower the pile clamp, thereby realizing automatic pile pressure control, which is convenient for the staff to operate and reduces the workload of the staff , the system uses the signal sensing unit to detect the stroke and clamping pressure of the pile clamp, and feeds back to the digital integrated controller, and then uses the digital integrated controller to control the hydraulic control device to realize the clamping and loosening of the pile body And the action of sending pressure piles, making the operation of pressure piles more intelligent, improving the work efficiency and precision of pile pressure, reducing operation complexity and construction costs, so as to overcome the problems of complex operation, control precision and low degree of automation of existing construction machinery

Method used

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  • An automatic pile-pressing control system and control method for construction machinery
  • An automatic pile-pressing control system and control method for construction machinery
  • An automatic pile-pressing control system and control method for construction machinery

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Embodiment 1

[0053] see Figure 1 to Figure 4 The embodiment of the present invention also provides an automatic piling control system for engineering machinery, which includes a control unit, an execution unit, and a signal sensing unit arranged on the main engine of the engineering machinery; the control unit includes a digital integrated controller 10; the The execution unit described above comprises a gantry 20 and a hydraulic control device;

[0054] Described hydraulic control device comprises oil tank 31, the first electromagnetic reversing valve 32, the second electromagnetic reversing valve 33, clamping oil cylinder 34, pressure pile oil cylinder 35, plunger pump 36, electric motor 37, wherein, the first electromagnetic reversing valve The directional valve 32 and the second electromagnetic directional valve 33 are three-position four-way valves respectively; the digital integrated controller 10, the oil tank 31, the first electromagnetic directional valve 32, the second electroma...

Embodiment 2

[0071] The automatic pile-pressing control system and control method provided by the embodiment of the present invention are basically the same as those in Embodiment 1, except that:

[0072] The signal sensing unit also includes two infrared through-beam sensors 54, and the two infrared through-beam sensors 54 are respectively arranged on the top surface of the pile clamp 24, and are respectively located at two opposite sides of the pile clamp holes. Include the following steps:

[0073] (6), when the pile clamp 24 is rising, if the infrared beam sensor 54 obtains the infrared beam signal, the digital integrated controller 10 controls the third electromagnet DT3 and the fourth solenoid valve 33 of the second electromagnetic reversing valve 33. When the electromagnet DT4 is de-energized, the pile clamping oil cylinder 35 stops working; after 1 second, the digital integrated controller 10 controls the second electromagnet DT2 of the first electromagnetic reversing valve 32 to b...

Embodiment 3

[0078] The automatic pile pressing control system and control method provided by the embodiments of the present invention are basically the same as those in Embodiments 1 and 2, except that:

[0079] The pressure sensor also includes two second pressure sensors 55, and the automatic piling control system also includes a host computer and a portal frame 20 arranged on the engineering machinery, and the portal frame 20 includes a portal frame main body 21, a first rotating shaft 22, a second The rotating shaft 23 and the gantry main body 21 are rotationally connected with the main engine of the construction machine through the first rotating shaft 22 and the second rotating shaft 23. Two second pressure sensors 55 are respectively arranged on the first rotating shaft 22 and the second rotating shaft 23. The control method also Include the following steps:

[0080] (8), in the process of steps (3), (4), (5), (6), (7), the second pressure sensor 55 detects the second pressure sign...

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Abstract

The invention discloses an automatic pile-pressing control system and a control method for engineering machinery. The system includes a control unit, an execution unit and a signal sensing unit arranged on the main engine of the engineering machinery; the method includes: a digital integrated controller utilizes a first The pressure sensor obtains the clamping signal of the pile clamp to the pile body, and uses the first electromagnetic reversing valve to execute the clamping and loosening of the pile clamping cylinder to the pile body, and then uses the first proximity switch and the second proximity switch to obtain the clamping signal of the pile clamper. The stroke position, and use the second electromagnetic reversing valve to execute the piling oil cylinder to raise and lower the pile gripper, so as to realize automatic pile piling control. The present invention adopts digital and automatic control, and through the cooperation of digital integrated controller, hydraulic control device and signal sensing unit, realizes the actions of clamping, loosening and sending pressure piles to the pile body, so that the operation of pile pressure can be realized intelligently, and the operation of pile pressure can be improved. The work efficiency and construction quality of pile pressing are improved, the construction cost is reduced, and the foundation is laid for the intelligence of construction machinery.

Description

technical field [0001] The invention relates to the technical field of construction machinery control, in particular to an automatic pile-pressing control system and control method for construction machinery. Background technique [0002] Existing engineering construction equipment, such as construction machinery using static pressure piles, is increasingly valued for its low noise, no vibration, no pollution and high construction efficiency. At present, the pile-pressing mechanism of construction machinery adopting static pile-pressing is a pile sinking process in which the counterweight on the pile-pressing machine and the frame provides reaction force to press the prefabricated pile into the soil. However, the existing pile-pressing methods of engineering machinery using static pile-pressing mostly use manual control, relying on the subjective judgment of the operator to control the pile-pressing, which will inevitably increase the workload of the operator, easily cause f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/042E02D7/20E02D7/00
CPCE02D7/00E02D7/20G05B19/042
Inventor 冯欣华欧天全庞国达杨树金
Owner GUANGDONG LIYUAN HYDRAULIC MACHINERY