An Excavator-Based Demonstration Instrument for Degrees of Freedom
A degree of freedom and demonstrator technology, applied in instruments, educational appliances, teaching models, etc., can solve the problem that students cannot well grasp the working principle of the degree of freedom of each part of the excavator.
Inactive Publication Date: 2017-05-17
YULIN NORMAL UNIVERSITY
View PDF7 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0005] The purpose of the present invention is to provide an excavator-based DOF demonstrator, which solves the problem that there is currently no teaching equipment used for teaching the DOF demonstration of excavators, so that students cannot well grasp the working principle of the DOF of each part of the excavator. The problem
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0013] The present invention will be described in detail below in combination with specific embodiments.
[0014] Hydraulic excavators are mainly composed of working devices, hydraulic systems and other parts. figure 1 It is a schematic diagram of the excavator degree of freedom principle. The manufactured excavator contains important knowledge such as degrees of freedom, local degrees of freedom, compound hinges and virtual constraints in mechanical courses. The excavator demonstrator can allow students to observe the movement process of the excavator more comprehensively; the principle of the hydraulic device of the excavator is imitated by the injector as the power, and the movable component is made of transparent colored glass, and the injector provides power to make the movable component move Injecting the colored liquid into the syringe allows students to see the whole process of mechanical hydraulic work more clearly through the expansion and contraction of the syringe...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention discloses a degree-of-freedom demonstrator based on an excavator. A crank shakes a cam to drive a small wheel to move a moving block left and right; three brackets are mounted on the moving block; the first bracket, a first rocker, a first connection rod and the left upper end of a bucket are connected in sequence; the second bracket, a second rocker, a fifth connection rod, a third connection rod and the left lower end of the bucket are connected in sequence; the other end of the fifth connection rod, one end of the third connection rod and one end of the second connection rod are connected together; the other end of the second connection rod is connected to a position, which is close to the bucket, of the first connection rod; one end of first hydraulic power, one end of second hydraulic power and one end of third hydraulic power are fixed on the moving block; the other end of the first hydraulic power is connected with the first rocker; the other end of the second hydraulic power is connected with the second rocker; the other end of the third hydraulic power is connected with the third rocker. The degree-of-freedom demonstrator has the benefit that the degree-of-freedom working theory of all components of the excavator can be well demonstrated.
Description
technical field [0001] The invention belongs to the technical field of mechanical teaching aids, and relates to an excavator-based freedom demonstration instrument. Background technique [0002] For important knowledge such as degrees of freedom, local degrees of freedom, compound hinges and virtual constraints that often appear in mechanical courses, it may be difficult to understand only by the description in the book and the teacher's narration. This manual combines practice with an innovative excavator to vividly introduce important knowledge such as degrees of freedom, local degrees of freedom, compound hinges and virtual constraints of planar mechanisms. To make the excavator move back and forth, the base is a 360-degree rotatable chassis, which allows students to observe the movement process of the excavator more comprehensively. The use of hydraulic technology in power operation can also allow students to better understand the operating principle of hydraulic pressur...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): G09B25/02
CPCG09B25/02
Inventor 庞寿全郑容森陈其全
Owner YULIN NORMAL UNIVERSITY