CN211729011U - Special tool for dismounting WJ5 aircraft engine turbine - Google Patents

Abstract

The utility model discloses a special frock for WJ5 aeroengine turbine dismouting, including fixed handspike, movable mounting has the installation dog on the fixed handspike, movable mounting has the connection fixture block on the installation dog, the one end movable mounting of connecting the fixture block has end corner shaft external fitting, the last movable mounting of end corner shaft external fitting has end corner shaft, the other end movable mounting of connecting the fixture block has the rotation axis, interactive installation is joined in marriage the fixture block on the rotation axis, movable mounting has end corner shaft fitting on joining in marriage the fixture block, it has the connecting hole to reserve on the fixture block to join in marriage, it has the locating hole to reserve on the fixture block, the one end fixed mounting of rotation axis has the limiting plate, the one end fixed mounting of end corner shaft fitting has the installation base, the one end fixed mounting that the end corner shaft fitting was kept away from to the installation base has the erection joint. This a special frock for WJ5 aeroengine turbine dismouting, the user only needs to utilize less amount of labour just can accomplish the dismouting, promotes maintenance efficiency greatly.

Description

Special tool for dismounting WJ5 aircraft engine turbine

Technical Field

The utility model relates to a turbine technical field specifically is a special frock that is used for WJ5 aeroengine turbine dismouting.

Background

Aviation refers to the navigation activity of an aircraft in the earth's atmosphere, and aerospace refers to the navigation activity of an aircraft in the space outside the atmosphere. The aerospace greatly changes the structure of transportation, and the turbine is used as a key part of an aeroengine, and the structure of a disc body of the turbine is complex, so that the turbine directly bears the impact of high temperature, high pressure and high-speed airflow at the outlet of a combustion chamber, and the environment is extremely severe, thereby causing various failure faults, and the maintenance quality of the turbine directly influences the operation safety of an airplane.

However, the existing WJ5 turbine disassembly and assembly tools in the market generally use some conventional tools such as rubber hammers, wrenches or even manual disassembly and assembly, the manual disassembly and assembly is time-consuming and labor-consuming, the safety is low, and the turbine disc and the rotating shaft can be scratched when the force is too large during disassembly; the turbine disc needs to be pre-tightened when being installed and needs to be overcome when being dismantled, and the effect achieved through manpower is not ideal; the spanner can receive the restriction of space, and the atress is inhomogeneous when beating with the rubber hammer, can damage turbine dish surface, aggravates the crack propagation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a special frock that is used for WJ5 aeroengine turbine dismouting, in order to solve the background art and put forward that the dismouting WJ5 turbine commonly used all is some conventional tools such as rubber hammer, spanner or even bare-handed dismouting on the existing market, bare-handed dismouting is wasted time and energy, and the security is low, may scratch turbine disc and pivot when hard excessively when dismantling; the turbine disc needs to be pre-tightened when being installed and needs to be overcome when being dismantled, and the effect achieved through manpower is not ideal; the spanner can receive the restriction in space, and the atress is inhomogeneous when hammering with the rubber hammer, can damage turbine dish surface, aggravates the problem that the crackle spreads.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a special frock for WJ5 aeroengine turbine dismouting, includes fixed handle bar, movable mounting has the installation dog on the fixed handle bar, movable mounting has the connection fixture block on the installation dog, the one end movable mounting of connecting the fixture block has the outer accessory of base angle axle, the last movable mounting of the outer accessory of base angle axle has the base angle axle, the other end movable mounting of connecting the fixture block has the rotation axis, interactive installation is joined in marriage the fixture block on the rotation axis, movable mounting has the base angle axle accessory on joining in marriage the fixture block, join in marriage and reserve the connecting hole on the fixture block, join in marriage and reserve the locating hole on the fixture block, the one end fixed mounting of rotation axis has the limiting plate, the one end fixed mounting of base angle axle accessory has the installation base, the one end fixed mounting that the installation base kept away from the base angle axle accessory.

Preferably, the fixed hand lever is designed to be of a cylindrical structure, the size of the fixed hand lever is matched with that of the mounting stop block, and two bottom angle shaft external fittings are symmetrically arranged on the connecting block on the mounting stop block.

Preferably, the shape of the matching clamping block is similar to that of the connecting clamping block, the size of the positioning hole in the matching clamping block is matched with that of the rotating shaft, and the matching clamping block is symmetrically provided with two bottom angle shaft fittings.

Preferably, the limiting plate on the rotating shaft is designed to be a cylindrical structure, and the diameter of the limiting plate is larger than that of the rotating shaft.

Preferably, the bottom corner shaft fitting is designed to be of a cylindrical structure, and the mounting base at the lower end of the bottom corner shaft fitting is designed to be of a hemispherical structure.

Preferably, the size of the mounting joint on the bottom corner shaft fitting is matched with the size of the connecting hole on the matching block, and the structure of the bottom corner shaft fitting is similar to that of the bottom corner shaft.

Compared with the prior art, the beneficial effects of the utility model are that:

1. according to the special tool for dismounting the WJ5 aircraft engine turbine, the original large force required for moving the turbine disc is converted into the torque by using the ingenious design, a user can realize large thrust or pull force only by rotating the hand lever, so that labor is saved, the user can finish dismounting only by using small labor amount on the basis of labor saving, and the maintenance efficiency is greatly improved;

2. the special tool for dismounting the WJ5 aircraft engine turbine adopts a pure mechanical structure, does not use electric power or other forms of power, is very simple to operate, relatively low in danger, small in volume and simple in structure, can be mounted in a tool box after being dismounted, and is very convenient to bring to a target place;

3. this a special frock for WJ5 aeroengine turbine dismouting need not bare-handed turbine dish of pulling out again or strikes with the rubber hammer, but through the screw drive on the frock, orders about stiff end and removal end and takes place relative displacement to pulling turbine dish when dismantling breaks away from the pivot or when the installation promote turbine dish and get into the assigned position and apply the pretightning force.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connecting block structure of the present invention;

FIG. 3 is a schematic view of the structure of the rotating shaft of the present invention;

fig. 4 is a schematic structural view of the bottom corner shaft fitting of the present invention.

In the figure: 1. fixing the hand lever; 2. mounting a stop block; 3. connecting a clamping block; 4. matching a clamping block; 5. a rotating shaft; 6. a bottom corner shaft outer fitting; 7. a bottom corner shaft; 8. a bottom corner shaft fitting; 9. connecting holes; 10. positioning holes; 11. a limiting plate; 12. installing a base; 13. and (5) installing a joint.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a special tool for dismounting a WJ5 aircraft engine turbine comprises a fixed hand lever 1, wherein an installation stop block 2 is movably installed on the fixed hand lever 1, a connection clamping block 3 is movably installed on the installation stop block 2, a bottom corner shaft outer fitting 6 is movably installed at one end of the connection clamping block 3, a bottom corner shaft 7 is movably installed on the bottom corner shaft outer fitting 6, a rotating shaft 5 is movably installed at the other end of the connection clamping block 3, a matching clamping block 4 is interactively installed on the rotating shaft 5, a bottom corner shaft fitting 8 is movably installed on the matching clamping block 4, a connecting hole 9 is reserved on the matching clamping block 4, a positioning hole 10 is reserved on the matching clamping block 4, a limiting plate 11 is fixedly installed at one end of the rotating shaft 5, an installation base 12 is fixedly installed at one end of the bottom corner shaft fitting 8, and an installation joint 13 is fixedly installed at one end, far away from the bottom;

furthermore, the fixed hand lever 1 is designed to be of a cylindrical structure, the size of the fixed hand lever 1 is matched with that of the installation stop block 2, and two bottom angle shaft external fittings 6 are symmetrically arranged on the connecting clamping block 3 on the installation stop block 2, so that the fixing work can be better carried out;

furthermore, the shape of the matched clamping block 4 is similar to that of the connecting clamping block 3, the size of the positioning hole 10 in the matched clamping block 4 is matched with that of the rotating shaft 5, and the two bottom angle shaft fittings 8 are symmetrically arranged on the matched clamping block 4, so that the mounting stability is improved;

furthermore, the limiting plate 11 on the rotating shaft 5 is designed to be a cylindrical structure, and the diameter of the limiting plate 11 is larger than that of the rotating shaft 5, so that better connection can be achieved;

furthermore, the bottom corner shaft fitting 8 is designed to be of a cylindrical structure, and the mounting base 12 at the lower end of the bottom corner shaft fitting 8 is designed to be of a hemispherical structure, so that the detachable device can be better protected;

furthermore, the size of the mounting joint 13 on the bottom corner shaft fitting 8 is matched with the size of the connecting hole 9 on the matching block 4, and the structure of the bottom corner shaft fitting 8 is similar to that of the bottom corner shaft 7, so that the bottom corner shaft fitting can be better operated and used.

The working principle is as follows: when the turbine disc is disassembled, two bottom angle shaft fittings 8 penetrate through the disassembled turbine and are installed on the next stage of turbine disc and are connected with the fitting fixture block 4 to form a fixed end, and then bottom angle shaft 7 fittings are installed on the disassembled turbine disc and are connected with the fixture block to form a movable end; after the assembly is finished, the tool is fixed on the turbine, the hand lever is rotated at the moment, the thread on the main shaft of the tool rotates, the fixed end is fixed, the movable end is driven by the thread to move, and the two bottom angle shaft fittings 8 overcome the pretightening force to pull the turbine out of the rotating shaft; the principle is the same when the assembly is installed, the assembly needs to be replaced at a next position, and two groups of bottom angle shafts 7 and bottom angle shaft fittings 8 are connected together at the fixed end through threads and are installed on the block; the movable end is provided with two groups of bottom angle shaft fittings 8 which are arranged on the matching block 4. Because the turbine is mounted to push the turbine into the rotating shaft, the fixture block is fixed and the matching fixture block 4 is movable. After rotating the hand lever, owing to there is the screw thread between main shaft and the fixture block, the main shaft can reciprocate along joining in marriage fixture block 4, thereby can promote to join in marriage fixture block 4, join in marriage end angle shaft accessory 8 on the fixture block 4 and promote the turbine dish again and impress its assigned position, still rotate the certain angle of hand lever after impressing and apply a pretightning force, the installation is accomplished, need not again to bare-handed pull to unload the turbine dish or strike with the rubber hammer, but through the screw drive on the frock, order about stiff end and removal end and take place relative displacement, thereby when dismantling pulling the turbine dish break away from the pivot or when the installation promote the turbine dish and get into the assigned position and apply the preti.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a special frock that is used for WJ5 aeroengine turbine dismouting, includes fixed handspike, its characterized in that: the fixing handle rod is movably provided with a mounting stop block, the mounting stop block is movably provided with a connecting clamping block, one end of the connecting clamping block is movably provided with a bottom corner shaft outer fitting, a bottom corner shaft is movably mounted on the bottom corner shaft outer fitting, the other end of the connecting clamping block is movably mounted with a rotating shaft, a matching clamping block is interactively mounted on the rotating shaft, a bottom corner shaft fitting is movably mounted on the matching clamping block, a connecting hole is reserved on the matching clamping block, a positioning hole is reserved on the matching clamping block, one end of the rotating shaft is fixedly provided with a limiting plate, one end of the bottom corner shaft fitting is fixedly provided with a mounting base, and one end, far away from the bottom corner shaft fitting, of the mounting base is fixedly provided with a mounting joint.

2. The special tool for dismounting and mounting the turbine of the WJ5 aeroengine according to claim 1, wherein: the fixed hand lever is designed to be of a cylindrical structure, the size of the fixed hand lever is matched with that of the mounting stop block, and two bottom angle shaft external fittings are symmetrically arranged on the connecting clamping block on the mounting stop block.

3. The special tool for dismounting and mounting the turbine of the WJ5 aeroengine according to claim 1, wherein: the shape of the matching fixture block is similar to that of the connecting fixture block, the size of the positioning hole in the matching fixture block is matched with that of the rotating shaft, and two bottom angle shaft accessories are symmetrically arranged on the matching fixture block.

4. The special tool for dismounting and mounting the turbine of the WJ5 aeroengine according to claim 1, wherein: the limiting plate on the rotating shaft is designed to be a cylindrical structure, and the diameter of the limiting plate is larger than that of the rotating shaft.

5. The special tool for dismounting and mounting the turbine of the WJ5 aeroengine according to claim 1, wherein: the bottom angle shaft fitting is designed into a cylindrical structure, and the mounting base at the lower end of the bottom angle shaft fitting is designed into a hemispherical structure.

6. The special tool for dismounting and mounting the turbine of the WJ5 aeroengine according to claim 1, wherein: the size of the mounting joint on the bottom angle shaft fitting is matched with the size of the connecting hole on the matching clamping block, and the structure of the bottom angle shaft fitting is similar to that of the bottom angle shaft.

Images