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CN-224209853-U - A decompose frock for fuel nozzle dustcoat

CN224209853UCN 224209853 UCN224209853 UCN 224209853UCN-224209853-U

Abstract

The utility model discloses a disassembly tool for a fuel nozzle outer cover, which comprises a bracket, wherein a mounting seat for fixing a nozzle mounting edge is arranged on the bracket, a main body cavity for placing a nozzle main body is arranged in the mounting seat, a pry bar is arranged above the mounting seat, the middle part of the pry bar is hinged with a hinge seat fixed on the bracket, the end part of the pry bar is connected with a lifting rod, and one end of the lifting rod, which is far away from the pry bar, is connected with an extending rod for extending into a symmetrical hole on the nozzle outer cover. The middle part of the side wall of the mounting seat is provided with a mounting groove for the nozzle mounting edge to enter. The lifting rod is fixedly connected with a connecting rod at one end far away from the pry bar, the connecting rod is symmetrically hinged with a swinging rod by taking the lifting rod as a boundary, and the extending rod is arranged on one side of the swinging rod, which faces the lifting rod. The utility model can separate the nozzle outer cover from the nozzle main body, and is convenient to use.

Inventors

  • LI JINSONG
  • CHEN GANG
  • CHEN BO
  • ZHOU YIKANG
  • XU TAO
  • LIN XIANG
  • Xiao Junkun
  • WANG JIEQIANG
  • YANG KAISHENG

Assignees

  • 四川川航航空发动机维修工程有限责任公司

Dates

Publication Date
20260508
Application Date
20250512

Claims (10)

  1. 1. A decomposition tool for a fuel nozzle outer cover is characterized by comprising a support (1), wherein an installation seat (2) for fixing a nozzle installation edge is arranged on the support (1), a main body cavity (3) for placing a nozzle main body is arranged in the installation seat (2), a pry bar (4) is arranged above the installation seat (2), a hinge seat (5) fixed on the support (1) is hinged to the middle of the pry bar (4), a lifting rod (6) is connected to the end of the pry bar (4), and one end, far away from the pry bar (4), of the lifting rod (6) is connected with an extending rod (7) which extends into a symmetrical hole in the nozzle outer cover.
  2. 2. The disassembly tool for the fuel nozzle outer cover according to claim 1, wherein the middle part of the side wall of the mounting seat (2) is provided with a mounting groove (8) for a nozzle mounting edge to enter.
  3. 3. The disassembly tool for the fuel nozzle outer cover according to claim 2, wherein the lifting rod (6) is arranged right above the mounting groove (8), and the hinging seat (5) is arranged on the side of the lifting rod (6).
  4. 4. The disassembly tool for the fuel nozzle outer cover according to claim 1, wherein one end, far away from the pry bar (4), of the lifting bar (6) is fixedly connected with a connecting rod (9), the connecting rod (9) is symmetrically hinged with a swinging rod (10) by taking the lifting bar (6) as a boundary, and the extending rod (7) is arranged on one side of the swinging rod (10) facing the lifting bar (6).
  5. 5. A disassembly tool for a fuel nozzle housing as claimed in claim 4, wherein the outer diameter of the projecting rod (7) is smaller than the inner diameter of the symmetrical holes in the fuel nozzle.
  6. 6. The disassembly tool for the fuel nozzle housing according to claim 5, wherein the extending rod (7) is connected with the connecting rod (9) through a hinge shaft (20), and the distance between the end surface of the extending rod (7) far away from the connecting rod (9) and the corresponding hinge shaft (20) gradually decreases along the direction of the hinge shaft (20) far away from the swinging rod (10).
  7. 7. The disassembly tool for the fuel nozzle outer cover of the engine room is characterized in that a bottom plate (11) and a top plate (12) are sequentially arranged on the bracket (1) from bottom to top, the bottom plate (11) and the top plate (12) are connected through side plates (13), the mounting seat (2) is arranged on the top surface of the bottom plate (11), and the hinging seat (5) is arranged on the top surface of the top plate (12).
  8. 8. The disassembly tool for the fuel nozzle housing according to claim 7, wherein the hinge base (5) is connected to the top surface of the top plate (12) through bolts.
  9. 9. The disassembly tool for the fuel nozzle outer cover according to claim 8, wherein the pry bar (4) comprises a stress section (14) and a force transmission section (15), the force transmission section (15) is hinged with the lifting rod (6), and the hinged seat (5) is arranged at the junction of the stress section (14) and the force transmission section (15).
  10. 10. The disassembly tool for the fuel nozzle outer cover according to claim 9, wherein an included angle between the stress section (14) and the force transmission section (15) is larger than 90 degrees, and the hinge seat (5) is arranged on one side, facing away from the inner angle between the stress section (14) and the force transmission section (15), of the pry bar (4).

Description

A decompose frock for fuel nozzle dustcoat Technical Field The utility model relates to the technical field of nozzle disassembly tools, in particular to a disassembly tool for a fuel nozzle outer cover. Background The fuel nozzle of the aero-engine is a core component in a combustion system, and the technical development of the fuel nozzle of the aero-engine has profound effects on engine performance, fuel efficiency and emission control. At present, the domestic aero-engine is repaired in a timing maintenance mode, the engine returns to a repair shop for repair after reaching a set time, and at the moment, the fuel nozzle of the engine can be overhauled along with the return of the engine to the repair shop. The utility model provides a overhaul in-process involves carrying out full decomposition to the fuel nozzle, and the fuel nozzle includes nozzle main part, nozzle installation limit and nozzle dustcoat, and nozzle main part and nozzle dustcoat are located the opposite both sides of nozzle installation limit respectively, and the symmetry is equipped with two symmetry holes on the nozzle dustcoat, and the nozzle pole is located in the nozzle dustcoat, and the nozzle dustcoat passes through the rand installation and fixes on the nozzle main part, fixes a position with the pin. How to properly remove the nozzle housing from the nozzle body has been a major challenge for maintenance personnel. Disclosure of utility model The utility model aims to provide a disassembly tool for a fuel nozzle outer cover, which can separate the nozzle outer cover from a nozzle main body and is convenient to use. In order to solve the technical problems, the utility model adopts the following scheme: A decompose frock for fuel nozzle dustcoat, includes the support, be equipped with the mount pad that is used for fixed nozzle installation limit on the support, be equipped with the main part chamber that is used for placing the nozzle main part in the mount pad, the mount pad top is equipped with the pinch bar, and the pinch bar middle part articulates there is the articulated seat of fixing on the support, and pinch bar end connection has the lifting rod, and lifting rod keeps away from pinch bar one end and is connected with the downthehole stretching into pole that is used for stretching into the symmetry on the nozzle dustcoat. The device has the advantages that the nozzle outer cover can be fixed through the arrangement of the extending rod, and the nozzle outer cover can be lifted from the nozzle mounting edge by utilizing the lever principle through the arrangement of the hinging seat, the prying rod and the lifting rod, so that the nozzle outer cover is separated from the nozzle mounting edge, and the device is convenient to use. Further, a mounting groove for the nozzle mounting edge to enter is formed in the middle of the side wall of the mounting seat. The nozzle mounting edge can be fixed through the arrangement of the mounting groove, and the nozzle mounting edge is prevented from overturning when the nozzle housing is pried up from the nozzle mounting edge. The lifting rod is arranged right above the mounting groove, and the hinge seat is arranged on the side of the lifting rod. The function is that the fulcrum is arranged above the side of the nozzle mounting edge through the arrangement of the hinge seat, so that the force application of the pry bar is facilitated. Furthermore, the lifting rod is fixedly connected with a connecting rod at one end far away from the pry bar, the connecting rod is symmetrically hinged with a swinging rod by taking the lifting rod as a boundary, and the extending rod is arranged on one side of the swinging rod, which faces the lifting rod. The swing rod is arranged on the connecting rod, and the swing rod swings around the hinge shaft to enable the extending rod to enter and exit the symmetrical holes. Further, the outer diameter of the extending rod is smaller than the inner diameter of the symmetrical hole on the fuel nozzle. The function is that the design of the external diameter of the extending rod is convenient for the extending rod to swing into and out of the symmetrical holes. Further, the extending rod is connected with the connecting rod through the hinge shaft, and the distance between the end face of the extending rod far away from the connecting rod and the corresponding hinge shaft is gradually reduced along with the direction of the hinge shaft far away from the swinging rod. The function is that the design of the shape of the extending rod prevents the extending rod from colliding with the lower edge of the symmetrical hole when the extending rod enters the symmetrical hole. Further, from down upwards being equipped with bottom plate and roof in proper order on the support, be connected through the curb plate between bottom plate and the roof, the mount pad is located on the bottom plate top surface, and articulated seat is located on the roof top surface. Furthe