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Thumb clamping operation machine tool for excavator and excavator thereof

A thumb clamp and excavator technology, which is applied to mechanically driven excavators/dredgers, earth movers/shovels, construction, etc., can solve the problem of high production and maintenance costs of excavators, single function of the clamping mechanism, and poor drive Process instability and other problems, to achieve the effect of broadening the application scenarios, broadening the construction environment, and stable and reliable working process

Active Publication Date: 2022-03-22
XCMG EXCAVATOR MACHINERY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005]The above-mentioned types of clamping mechanisms have a single function, complex structure, high excavator production and maintenance costs, and unstable driving process

Method used

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  • Thumb clamping operation machine tool for excavator and excavator thereof
  • Thumb clamping operation machine tool for excavator and excavator thereof
  • Thumb clamping operation machine tool for excavator and excavator thereof

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Embodiment Construction

[0042] The technical solution of the present invention will be clearly and completely described below, obviously, the described embodiments are only some embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0043] According to the specific embodiment of the present invention, the thumb clamp work tool for excavators includes a rocker assembly, a thumb clamp 1, two ear plates 2, two first sector gears 3, and an oil cylinder assembly 4; The rocker assembly includes a connecting rod 5, two rocking rods 6 and two second sector gears 7, the vacant end of the connecting rod 5 is connected to a bucket 8; one end of the two rocking rods 6, the connecting rod 5 One end of the cylinder assembly 4 and the end of the piston rod 9 are hinged together; one vacant end of the rocke...

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Abstract

The invention discloses a thumb clamping operation machine tool for an excavator and the excavator thereof, and belongs to the technical field of excavators. Comprising a rocker assembly, a thumb clamp, two lug plates, two first sector gears and an oil cylinder assembly, and the rocker assembly comprises a connecting rod, two rockers and two second sector gears. The structures of the lug plate and the thumb clamp are specially designed, so that the first sector gear and the second sector gear have different states of meshing or separation, and the three postures that the thumb clamp is not used, the angle of the thumb clamp is fixed and the thumb clamp is linked with the bucket are achieved. The application scene of the thumb clamp is greatly improved; the rapid switching of three different working states of the thumb clamp can be effectively realized only through one set of oil cylinder assembly; the device is stable and reliable in working process, simple in structure, convenient to disassemble and assemble and low in production and maintenance cost, and the application scene and the construction environment of the excavator are widened.

Description

technical field [0001] The invention belongs to the technical field of excavator equipment, in particular to a thumb-clamping operating tool used for an excavator and an excavator thereof. Background technique [0002] Excavators are large-scale excavating equipment commonly used in construction, road and bridge construction and other fields. At present, in order to meet the different needs during construction, people have put forward higher requirements for the functions of excavators. In addition to conventional excavation functions, current excavators also have additional grabbing functions. At the same time, when the bucket is digging, the material is easy to drop when the bucket is digging, resulting in low digging efficiency. Therefore, on the basis of traditional excavators, a thumb clip is often provided under the bucket, and the thumb clip cooperates with the bucket to play a clamping role. [0003] Ordinary thumb clips are rotated by themselves, and at the same ...

Claims

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Application Information

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IPC IPC(8): E02F3/413E02F3/42E02F9/28
CPCE02F3/413E02F3/4135E02F3/425E02F9/2833
Inventor 闫家铭李善辉徐玉兵田超刘恩亮
Owner XCMG EXCAVATOR MACHINERY
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