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Face shovel spadework device provided with movement redundancy and capable of optimizing spading force

A motion, redundant technology, applied in mechanically driven excavators/dredgers, etc., can solve the problems of single structure, high energy consumption, small driving force arm, etc., achieve good flexibility, optimize digging force, driving force big arm effect

Inactive Publication Date: 2012-10-10
YANSHAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the front shovel hydraulic excavator technology of foreign manufacturers is relatively mature, their product structure is relatively simple, and the problem of large energy consumption due to small driving force arm has not been solved.

Method used

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  • Face shovel spadework device provided with movement redundancy and capable of optimizing spading force
  • Face shovel spadework device provided with movement redundancy and capable of optimizing spading force
  • Face shovel spadework device provided with movement redundancy and capable of optimizing spading force

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] exist figure 1 In the three-dimensional schematic diagram of a mobile redundant front shovel excavation device that can optimize digging force, one end of the frame 1 is connected to the lower end of the boom 2 through the hinge R1, and the upper end of the boom 2 is connected through the hinge R2 It is connected to one end of the arm 3, and the other end of the arm 3 is hinged to a part of the bucket 4 through a hinge R3. A pair of powerful triangles 5 are symmetrically hinged on both sides of the middle part of the above-mentioned arm 3 through hinges R6, and the pair of powerful triangles 5 are respectively connected to the piston rod ends of a pair of arm hydraulic cylinders 7 through hinges R7. The pair of powerful cams 5 are respectively hinged to the ends of the piston rods of the pair of stick hydraulic cylinders 9 through the hinge R12; the ends of the cylinder liners of the above pair of stick hydraulic cylinders 1 are respectively connected to the other end o...

Embodiment 2

[0020] exist figure 2 In the three-dimensional schematic diagram of a mobile redundant front shovel excavation device that can optimize digging force, one end of the frame 1 is connected to the lower end of the boom 2 through the hinge R1, and the upper end of the boom 2 is connected through the hinge R2 One end of the arm 3 is connected, and the other end of the arm 3 is connected to a part of the bucket 4 through a hinge R3. A pair of powerful triangles 5 are respectively symmetrically connected to both sides of the middle part of the above-mentioned boom 2 through a hinge R6. The cylinder liner ends of a pair of bucket hydraulic cylinders 8 are respectively connected to the above-mentioned strong triangle 5 through hinge R5, and the piston rod ends of the pair of bucket hydraulic cylinders 8 are respectively connected to a part of the above-mentioned bucket 4 through hinge R4; The above-mentioned pair of powerful triangles 5 are respectively connected to the cylinder line...

Embodiment 3

[0022] exist image 3 A perspective schematic diagram of a mobile redundant front shovel excavation device that can optimize digging force is shown ， One end of the frame 1 is connected to the lower end of the boom 2 through the hinge R1, the upper end of the boom 2 is connected to one end of the arm 3 through the hinge R2, and the other end of the arm 3 is connected to a part of the bucket 4 through the hinge R3. connect. A pair of powerful triangles 5 are symmetrically hinged on both sides of the middle part of the above-mentioned arm 3 through hinges R6, and the pair of powerful triangles 5 are respectively connected to the piston rod ends of a pair of arm hydraulic cylinders-7 through hinges R7; The ends of the cylinder liners of the pair of stick hydraulic cylinders 1 and 7 are respectively connected to another part of the frame 1 through hinge R8; The cylinder liner ends of the pair of stick hydraulic cylinders 2 are respectively connected to the above-mentioned frame ...

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Abstract

The invention provides a face shovel spadework device provided with movement redundancy and capable of optimizing spading force. The lower end of a movable arm is hinged with a rack; the upper end of the movable arm is hinged with one end of a bucket rod, the other end of the bucket rod is hinged with one part of a bucket, and the components are respectively connected by bucket hydraulic cylinders, movable arm hydraulic cylinders, two pairs of bucket rod hydraulic cylinders and power trigones by virtue of four connection modes. The device provided by the invention has the characteristics of realizing movement redundancy, avoiding configuration singularity, optimizing the spading force and realizing large-tonnage heavy-load excavation.

Description

technical field [0001] The invention relates to an excavator, in particular to a working device for a front shovel hydraulic excavator. Background technique [0002] Large-scale front shovel hydraulic excavator is the main tool for mining in open-pit coal mines, and its excavating working device is the main component to complete various functions of the excavator. There are few domestic studies on the working device of hydraulic front shovel excavator. Chinese patent CN200520035287.8 involves a A horizontal pushing device of a front shovel operation device of a hydraulic excavator. The ends of the cylinder are hinged, and the hinge points form a four-bar device with a quadrilateral structure in the air. Major foreign manufacturers include Terex, Caterpillar, Hitachi and Liebherr. Among them, the most influential is the hydraulic excavator produced by Terex (Terex) company that contains "strong triangle" components. Although the front shovel hydraulic excavator technology ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02F3/34E02F3/42
Inventor 丁华锋曹文熬付鸿晔陈谊超陈子明王园园
Owner YANSHAN UNIV
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