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Attachment coupling link for excavator

A technology for coupling connectors and attachments, which is used in mechanically driven excavators/dredgers, earthmovers/shovels, fluid pressure actuating devices, etc. Effect

Inactive Publication Date: 2020-02-21
张贞秀
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, safety accidents in which the attachment (bucket) falls often occur, so the function of the safety pin cannot be truly performed.

Method used

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  • Attachment coupling link for excavator
  • Attachment coupling link for excavator
  • Attachment coupling link for excavator

Examples

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Embodiment Construction

[0074] In order to fully understand the present invention, preferred embodiments of the present invention will be described with reference to the accompanying drawings. The embodiments of the present invention can be modified in various forms, and should not be construed as being limited to the following embodiments illustrating the scope of the present invention. This embodiment is provided to describe the present invention more completely to those skilled in the art. Therefore, in order to emphasize clearer description, the shapes of elements in the drawings and the like may be shown exaggeratedly. It should be noted that the same components in the various drawings may be shown with the same reference numerals. If it may obscure the gist of the present invention, descriptions of related known functions and configurations will be omitted.

[0075] image 3 is a perspective view showing the configuration of the excavator attachment coupling connector 100 according to the pr...

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Abstract

According to one embodiment, the invention provides an attachment coupling link for an excavator which has better safety. The attachment coupling link includes a housing, a fixing hook, a rotary hook,a connection rod detachment preventing bar, and a working cylinder. According to the invention, the bar body of the connection rod detachment preventing bar can block the detachment path of a first connection rod so as to prevent the detachment of the first connection rod only if the working cylinder applies hydraulic pressure in a mannmer of maintaining the coupling status between the rotary hook and a second connection rod.

Description

technical field [0001] The present invention relates to an attachment coupling link for an excavator (Attachment Coupling Link For Poclain), in more detail, an attachment coupling link for an excavator that can safely use and exchange attachments without a safety pin device. Background technique [0002] Generally, an excavator called a shovel (poclain) is equipment used to remove rocks, soil, etc. on the ground in the initial stage of foundation work of construction work. [0003] For an excavator, the arm composed of multiple joints and the boom cylinder (boom cylinder) installed inside the arm are connected by a bucket connector, and a shovel that can excavate rocks or soil is connected to the bucket connector. Bucket. The excavator supplies hydraulic pressure to the boom cylinder through a hydraulic line, scoops up soil and the like with a bucket, and then turns the bucket to a transport vehicle to load or stack soil on the transport vehicle. [0004] Also, at the end...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02F3/36E02F5/30
CPCE02F3/3618E02F3/3654E02F5/30E02F3/3622E02F3/365E02F3/3663F15B15/06
Inventor 张贞秀
Owner 张贞秀
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