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Horizontal rotating suspension bracket for grab bucket

A technology of horizontal rotation and hanger, which is applied in earth mover/excavator, construction, etc. It can solve the problems of complicated synchronous coordination control, high maintenance cost, and large power transmission loss, etc., and achieves simple structure, stable rotation, and avoids The effect of power loss

Active Publication Date: 2013-04-17
SHANGHAI JINTAI ENG MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The excavating equipment disclosed in ZL200820159118.9 uses at least one, preferably two, double-rack rotary cylinders as a power source to drive the grab to rotate; however, using multiple double-rack rotary cylinders as a power source to drive the grab has synchronous The disadvantages of complex coordination control, large power transmission loss and high maintenance cost

Method used

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  • Horizontal rotating suspension bracket for grab bucket
  • Horizontal rotating suspension bracket for grab bucket

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Embodiment Construction

[0018] The present invention is further illustrated below by specific examples.

[0019] Such as figure 1 As shown, a horizontally rotating hanger for a grab bucket includes a frame 304, a hanger 307, a slewing bearing 306 whose outer ring is fixedly connected to the top of the frame 304, and the inner ring is fixedly connected to the hanger 307, and is arranged in the frame 304. The driving cylinder 301, the torsion transmission frame 309 which is arranged in the frame 304 and fixedly connected with the drive cylinder 301, and the top of the torsion transmission frame 309 is fixed in the top of the frame 304.

[0020] The horizontally rotating hanger for the grab also includes an oil seal sleeve 303 and a mandrel 302; the mandrel 302 is fixed at the center of the hanger 307 and is set in the torsion transmission frame 309 after passing through the inner ring of the slewing bearing 306 , the oil seal sleeve 303 is set on the mandrel 302 .

[0021] Such as figure 2 As shown...

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Abstract

The invention relates to the field of excavating devices and particularly relates to a horizontal rotating suspension bracket for a grab bucket. The horizontal rotating suspension bracket comprises a frame, a suspension bracket body, a pivoting support, a driving oil cylinder and a torque transmission frame, wherein an external ring of the pivoting support is fixedly connected with the top of the frame, an internal ring of the pivoting support is fixedly connected with the suspension bracket body, the driving oil cylinder is arranged inside the frame, the torque transmission frame is arranged inside the frame and is fixedly connected with the driving oil cylinder, and the top of the torque transmission frame is fixed inside the top of the frame. According to the horizontal rotating suspension bracket, the swinging oil cylinder provides the driving force and cooperates with the pivoting support, so that the suspension bracket body rotates stably and accurately, oil transportation is not easy to leak, and the horizontal rotating suspension bracket has the advantages of being simple in structure, reliable and high in transmission efficiency.

Description

technical field [0001] The invention relates to the field of excavating equipment, in particular to a rotating hanger for a grab bucket. Background technique [0002] In the use of excavation equipment, it is often encountered that it is necessary to change the direction of the excavation angle and change the direction of the grab teeth to improve the excavation effect when excavating the underground diaphragm wall. The usual method is to change the construction location of the main engine, but this operation is greatly affected by the site environment, which is time-consuming and labor-intensive. The most important thing is to affect the continuity and deflection of the wall. The best solution is to keep the position of the main engine fixed and change the direction of grab rotation. [0003] US Patent US20080179069 and Chinese Patent ZL200820159118.9 respectively disclose two types of rotatable excavating equipment. [0004] The excavating equipment disclosed in US20080...

Claims

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Application Information

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IPC IPC(8): E02F5/14
Inventor 林坚梁社安
Owner SHANGHAI JINTAI ENG MACHINERY
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