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Single movable arm forward six-bar linkage power quick-change operating device for loading machine

A working device and six-link technology, which is applied to mechanically driven excavators/dredgers, etc., can solve problems such as difficult implementation and complex design of forward-rotating six-links, so as to improve efficiency and enhance bending and torsion resistance , the effect of simplifying the structure

Inactive Publication Date: 2011-01-12
JIANGSU LIUGONG MACHINERY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the limitation of the structure of the working device, the design of each hinge point of the forward rotating six-linkage is relatively complicated and difficult to realize

Method used

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  • Single movable arm forward six-bar linkage power quick-change operating device for loading machine
  • Single movable arm forward six-bar linkage power quick-change operating device for loading machine
  • Single movable arm forward six-bar linkage power quick-change operating device for loading machine

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Embodiment Construction

[0015] The present invention will be further described below in conjunction with drawings and embodiments.

[0016] Such as Figure 1 ~ Figure 3 As shown, the present invention comprises a front frame 1, a boom 2, a bucket cylinder 3, a boom cylinder 4, a rocker 5, a pull rod 6, a quick change device 7 and an attachment 8, and the vehicle frame 1 is connected to one end of the boom 2 respectively. It is hinged at point A on the upper side of the vehicle frame 1 , is hinged at point D on the upper side of the vehicle frame 1 with one end of the bucket oil cylinder 3 , and is hinged at point S at the middle of the vehicle frame 1 with one end of the boom cylinder 4 . The middle part of the rocker arm 5 and the middle part of the boom 2 are hinged at point E, the two ends of the rocker arm 5 are respectively hinged with the other end of the bucket cylinder 3 and the end of the pull rod 6 at two points F and G, and the other end of the boom 2 is hinged with the quick change device...

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Abstract

The invention discloses a single movable arm forward six-bar linkage power quick-change operating device for a loading machine, which comprises a front frame, a movable arm, a rotating bucket oil cylinder, a movable arm oil cylinder, a swing arm, a draw bar, a quick-change device and an accessory; a forward six-bar linkage consists of the front frame, the movable arm, a bucket, the draw bar, the swing arm and a swing arm oil cylinder; the movable arm is in a structure of a single movable arm box body; two hinge joints on the quick-change device are two hinge joints of the six-bar linkage and are also two hinge joints of the accessory; and the quick-change device adopts power quick change. The single movable arm forward six-bar linkage power quick-change operating device can reduce the bending moment endured by the operating device effectively and improve the capability of bending resistance and torque resistance, has a much simple and reasonable structure and greater unloading height and unloading distance, and is convenient for performing the diversified design of the accessory; and by adopting the power quick-change device, operators can replace the accessory without leaving a driving cab, so the efficiency of replacing the accessory is improved greatly.

Description

technical field [0001] The invention relates to a working device of a loader, in particular to a loader single-arm forward-rotating six-link two-hinge-point mechanism for lifting a bucket and equipped with a power quick-change working device for a loader, which belongs to construction machinery technology field. Background technique [0002] The existing wheel loader working device is composed of front frame, boom, bucket cylinder, boom cylinder, rocker arm, pull rod, quick change device and bucket. The working device of wheel loader usually adopts double boom Reversed six-link four-hinge point mechanism, the so-called double boom refers to the structure in which the left and right booms are connected by a crossbeam. When the boom is lifted, the lifting force acts on the left and right booms respectively. Since the left and right booms deviate from the center plane of the working device, the working device bears a large bending moment when the loader is working, which may e...

Claims

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Application Information

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IPC IPC(8): E02F3/42
Inventor 高云光罗石忠李光明郝艳阳杜丹刘昕晖
Owner JIANGSU LIUGONG MACHINERY
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