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Auxiliary adjusting system, excavator and excavating equipment

A technology for regulating systems and excavators, applied to mechanically driven excavators/dredgers, earth movers/shovels, construction, etc., can solve problems such as low adjustment accuracy and attachments that cannot work normally, and achieve The effect of accurate pressure value

Pending Publication Date: 2020-10-02
SANY HEAVY MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the adjustment accuracy of the traditional auxiliary adjustment system is low, resulting in that after replacing different attachments, the replaced attachments cannot work normally

Method used

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  • Auxiliary adjusting system, excavator and excavating equipment
  • Auxiliary adjusting system, excavator and excavating equipment

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Embodiment Construction

[0025] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

[0026] Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art wi...

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Abstract

The embodiment of the invention provides an auxiliary adjusting system, an excavator and excavating equipment, and relates to the field of engineering machinery. The auxiliary adjusting system comprises a first connecting pipe and a first pilot overflow valve arranged on the first connecting pipe. One end of the first connecting pipe is used for communicating with a hydraulic pump, the other end of the first connecting pipe is used for communicating with a preset accessory, and the first pilot overflow valve is used for limiting the pressure value of hydraulic oil flowing from the hydraulic pump to the preset accessory. By means of the auxiliary adjusting system, the pressure value of the hydraulic oil flowing to the preset accessory can be more accurate, and therefore normal operation ofthe preset accessory is achieved.

Description

technical field [0001] The invention relates to the field of engineering machinery, in particular to an auxiliary adjustment system, an excavator and excavating equipment. Background technique [0002] The excavator auxiliary adjustment system is a system used to expand the functions of the excavator. The excavator can be connected with external attachments through the auxiliary adjustment system. The attachments can be hydraulic shears, breakers, lawn mowers, etc., so that The excavator can be adapted to a variety of operating scenarios. However, different attachments have different working pressures. Therefore, it is necessary to adjust the pressure of the hydraulic oil flowing to the preset attachment according to different attachments, so as to meet the normal use of the attachment. However, the adjustment accuracy of the traditional auxiliary adjustment system is low, resulting in that after replacing different attachments, the replaced attachments cannot work normally...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02F5/30E02F3/96E02F9/22
CPCE02F5/30E02F3/96E02F3/966E02F9/22E02F9/2264E02F9/2267E02F9/2275
Inventor 史剑张晴朗彭双成
Owner SANY HEAVY MACHINERY
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