Wrench head for maintenance of aero-engine fuel nozzle

Wrench head for maintenance of aero-engine fuel nozzle

The utility model discloses a wrench head for maintenance of an aero-engine fuel nozzle, which comprises a working head and a connecting framework integrally formed with the working head, and the working head comprises a matching arc-shaped surface, a working groove, a working end surface, a working...

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Hauptverfasser: WANG JIEQIANG, LIU MULAN, XU TAO, DONG YONGYAO, ZENG HAIBO, WANG DU, ZHAO YUSONG, LI MENGMENG
Format: Patent
Sprache:chi ; eng
Schlagworte:
HAND TOOLS
MANIPULATORS
PERFORMING OPERATIONS
PORTABLE POWER-DRIVEN TOOLS
TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING
TRANSPORTING
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creator WANG JIEQIANG
LIU MULAN
XU TAO
DONG YONGYAO
ZENG HAIBO
WANG DU
ZHAO YUSONG
LI MENGMENG
description The utility model discloses a wrench head for maintenance of an aero-engine fuel nozzle, which comprises a working head and a connecting framework integrally formed with the working head, and the working head comprises a matching arc-shaped surface, a working groove, a working end surface, a working side wall and an adaptive guide surface; the working head is connected with the connecting framework; the size of the working side wall is matched with the size of an aero-engine fuel nozzle, a matched arc-shaped face is arranged on the working end face, the size of the matched arc-shaped face is matched with the size of the aero-engine fuel nozzle, and a working notch is formed in the matched arc-shaped face. The size of the working notch is matched with the size of a dismounting part of the aero-engine fuel nozzle; and an adaptive guide surface is arranged between the working notch and the matched arc-shaped surface. According to the utility model, the labor for maintenance personnel to maintain the fuel nozzle
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subjects HAND TOOLS
MANIPULATORS
PERFORMING OPERATIONS
PORTABLE POWER-DRIVEN TOOLS
TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING
TRANSPORTING
title Wrench head for maintenance of aero-engine fuel nozzle
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