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Two-purpose dredger for teaching and practice

An excavator and dual-purpose technology, applied in the field of dual-purpose excavators for teaching practice, can solve the problems of low utilization rate of equipment, safety accidents, disconnection between teaching and learning, etc., and achieve the effect of convenient teaching.

Inactive Publication Date: 2007-02-14
徐州恒天德尔重工科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Disconnect teaching and learning. When students get on the bus and actually operate, the teacher cannot correct them in time because they cannot operate proficiently or even make mistakes. high

Method used

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  • Two-purpose dredger for teaching and practice
  • Two-purpose dredger for teaching and practice
  • Two-purpose dredger for teaching and practice

Examples

Experimental program
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Embodiment Construction

[0012] Such as figure 1 , figure 2 As shown, the dual-purpose excavator for teaching and practice of the present invention increases the length and width of the cab shell 8 without changing the chassis, boom, bucket, etc., and installs the passenger seat 9 symmetrically on the left side of the original seat 11. Two ordinary seats 10 are installed at the rear of the main and auxiliary seats 11 and 9, the co-pilot's work and rotary handle 5, the co-pilot's walking operating lever 6 and the co-pilot's rest pedal 7 are the same size and model as the corresponding operating mechanism of the main driver. Symmetrical installation, on the main driver's seat 11 right side armrest box, this adorns control button 12.

[0013] Such as image 3 As shown, the hydraulic control system of the original design of the excavator, including the oil pump 13, the accumulator 14, and the fuel tank 29, remains unchanged, and a two-position three-way solenoid valve 30 is installed at the rear end of...

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Abstract

A digging machine for two purposes of teaching and training is prepared as enlarging area of pilothouse to erect two independent chairs and operation system in major-minor group, setting another two chairs at back of pilothouse for trainee, setting hydraulic control systems symmetrically for major-minor group and erecting control button at a side of teacher chair to control two-position and three-way solenoid valve for switching oil supply to major and minor group separately to let digging machine be controlled by teacher or by trainee.

Description

technical field [0001] The invention relates to the technical field of engineering machinery, in particular to a dual-purpose excavator for teaching and practice. Background technique [0002] At present, all the excavators used in teaching are construction excavators. Only one of the instructors and students can enter the cab to actually operate, and the other can observe under the machine. Disconnect teaching and learning. When students get on the bus and actually operate, the teacher cannot correct them in time because they cannot operate proficiently or even make mistakes. high. Contents of the invention [0003] The purpose of the present invention is to provide a dual-purpose excavator for teaching and practice, not only the teacher cannot grasp the operation situation of the students at any time during the teaching, but also one teacher can lead an operator and two students to carry out practice on the car at th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02F9/00E02F9/16
Inventor 罗国征
Owner 徐州恒天德尔重工科技有限公司
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