CN212044454U

CN212044454U - Seal mounting tool

Info

Publication number: CN212044454U
Application number: CN202020572174.6U
Authority: CN
Inventors: 曹宇航; 杨艺
Original assignee: Xi'an Heng Qiang Aviation Technology Co ltd
Current assignee: Xi'an Heng Qiang Aviation Technology Co ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2020-12-01
Anticipated expiration: 2030-04-17

Abstract

The utility model discloses a sealed mounting tool, including the supporting seat, the top cover of supporting seat is equipped with the casing, and the inner chamber swing joint of casing has cylindricality compression spring, swing joint has graphite sealing ring in the draw-in groove of casing, and graphite sealing ring's top swing joint has the snap ring, the top cover of supporting seat is equipped with the guide block, the bottom of guide block is run through snap ring and casing contact, the top cover of supporting seat is equipped with the nut of screwing. The utility model discloses a set up supporting seat, guide block, casing, cylindricality compression spring, graphite sealing ring, snap ring and the cooperation of the nut of screwing and use, solved on the market have standard tool and rely on the installation that artificial operation realized graphite sealing ring completely, sealing ring installation effectiveness is low, the not problem that targets in place of installation, has ensured the problem of the reliability of follow-up test, this sealed mounting tool possesses the sealing ring installation effectiveness height and installs the advantage of the accuracy that targets in place and ensured follow-up test easily.

Description

Seal mounting tool

Technical Field

The utility model relates to a civil aviation aircraft engine starter technical field specifically is a sealed mounting tool.

Background

The jet engine can achieve autonomous working, a certain rotating speed needs to be achieved in advance, then ignition can be successful, and the jet engine can operate automatically, and the starter is a device for driving the engine to start. The starter of air turbine engine in series A319, A320 and A321 of civil aircraft is designed for directly connecting and starting CFMI CFM56-5 turbofan engine, the compressed air makes the starting turbine rotate, and the engine is accelerated to the starting speed by generating enough torque through the reduction gear and the output part. The air turbine engine consists of an air inlet section, a turbine rotating assembly, a reduction gear assembly, a centrifugal clutch and an output shaft assembly. The turbine rotating assembly is an important component of the turbine engine starter and consists of a turbine hub, an exhaust shell assembly, a cutter ring and a pinion.

The graphite sealing ring belongs to one of turbine rotating assemblies of an air turbine engine starter and is used for sealing a shell, and the difficulty lies in that eight springs with the appearance of only phi 2 multiplied by 12 are required to be placed in holes uniformly distributed on the shell, the sealing ring is placed on the springs, and finally the springs are clamped and fixed by a clamping ring. At present, no special installation device for the accessory exists in China, and the accessory can be tried and adjusted manually and continuously, so that time and labor are wasted. The utility model discloses be exactly a special instrument that designs to the installation of the graphite sealing ring of air turbine engine starter.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sealed mounting tool possesses the advantage that sealing ring installation effectiveness is high and install easily and target in place and ensured the accuracy of follow-up test, has solved the installation that does not have the standard tool on the market and rely on artificial operation to realize the graphite sealing ring completely, and the problem of the reliability of follow-up test has been ensured to the problem that sealing ring installation effectiveness is low, the installation is not target in place.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sealed mounting tool, includes the supporting seat, the top cover of supporting seat is equipped with the casing, the inner chamber swing joint of casing has cylindricality compression spring, swing joint has the graphite sealing ring in the draw-in groove of casing, the top swing joint of graphite sealing ring has the snap ring, the top cover of supporting seat is equipped with the guide block, the bottom of guide block is run through snap ring and casing contact, the top cover of supporting seat is equipped with the nut of screwing.

Preferably, the number of the cylindrical compression springs is eight, the top and the bottom of each cylindrical compression spring are respectively in contact with the support seat and the graphite sealing ring, and the graphite sealing ring is positioned at the top of each cylindrical compression spring.

Preferably, the screwing nut is positioned at the top of the guide block, the bottom of the screwing nut is in contact with the guide block, and the surface of the top end of the supporting seat is in threaded connection with the joint of the screwing nut.

Preferably, the bottom of the guide block is provided with four uniformly distributed compression bars, the overall dimension of the guide block is the same as that of the graphite sealing ring, and the outer surface of the graphite sealing ring is provided with a clamping groove matched with the compression bars of the guide block.

Preferably, the tops of the shell, the graphite sealing ring and the clamping ring are circular, and the bottom of the supporting seat is circular.

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

1. the utility model discloses a set up the supporting seat, the guide block, a housing, cylindricality compression spring, the graphite sealing ring, the snap ring is used with the cooperation of the nut of screwing, solved on the market have standard tool and rely on the installation that artificial operation realized the graphite sealing ring completely, sealing ring installation effectiveness is low, the problem that the installation is not in place, the problem of the reliability of follow-up test has been ensured, this sealed mounting tool, possess the sealing ring installation effectiveness height and install the advantage that targets in place easily and ensured the accuracy of follow-up test, be worth promoting.

2. The utility model discloses a solved and not given clear frock at the manual, and do not have standard tool on the current market and can satisfy under the condition of this step of equipment, one set of sealing ring mounting tool has independently been designed, the sealing ring inefficiency of installation has been solved, the problem of installation not in place, the reliability of follow-up test has been ensured, according to the requirement of Honeywell manual, reach sealing ring hold-down spring through measurement and design, through the frock of snap ring fixed mounting in the seal shell, it is original to lean on artificial operation completely to have solved, inefficiency in the installation, the problem of installation not in place, reliability for follow-up test provides good data support, assemble turbine rotating assembly according to the manual requirement, provide the guarantee to follow-up test.

Drawings

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

FIG. 2 is an exploded view of the structure assembly of the present invention;

fig. 3 is a schematic view of the housing of the present invention.

In the figure: the device comprises a support seat 1, a guide block 2, a shell 3, a cylindrical compression spring 4, a graphite sealing ring 5, a snap ring 6 and a screwing nut 7.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model provides a parts such as supporting seat 1, guide block 2, casing 3, cylindricality compression spring 4, graphite sealing ring 5, snap ring 6 and the nut 7 of screwing are the parts that general standard component or field technician know, and its structure and principle all can learn through the technical manual or learn through conventional experimental method for field technician.

Referring to fig. 1-3, a seal mounting tool comprises a supporting seat 1, a shell 3 is sleeved on the top of the supporting seat 1, a graphite sealing ring 5 is movably connected in a clamping groove of the shell 3, which is movably connected with a cylindrical compression spring 4, in an inner cavity of the shell 3, a snap ring 6 is movably connected on the top of the graphite sealing ring 5, a guide block 2 is sleeved on the top of the supporting seat 1, the bottom of the guide block 2 penetrates through the snap ring 6 to be in contact with the shell 3, and a screwing nut 7 is sleeved on the top of the supporting seat 1.

The number of the cylindrical compression springs 4 is eight, the top and the bottom of each cylindrical compression spring 4 are respectively contacted with the support seat 1 and the graphite sealing ring 5, and the graphite sealing ring 5 is positioned at the top of each cylindrical compression spring 4.

The screwing nut 7 is positioned at the top of the guide block 2, the bottom of the screwing nut 7 is contacted with the wire block 2, and the surface of the top end of the supporting seat 1 is in threaded connection with the joint of the screwing nut 7;

the bottom of the guide block 2 is provided with four evenly distributed compression bars, the overall dimension of the guide block is the same as that of the graphite sealing ring 5, and the outer surface of the graphite sealing ring 5 is provided with a clamping groove matched with the compression bars of the guide block 2;

the top of casing 3, graphite seal ring 5 and snap ring 6 all is circular, and the bottom of supporting seat 1 is circular.

The bottom of the guide block 2 and the graphite sealing ring 5 are convenient to position and install better by arranging the compression bar and the clamping groove;

through the cooperation that sets up supporting seat 1, guide block 2, casing 3, cylindricality compression spring 4, graphite sealing ring 5, snap ring 6 and screw nut 7 and use, solved on the market and do not have standard tool and rely on the installation that artificial operation realized graphite sealing ring completely, the problem that the sealing ring installation effectiveness is low, the installation is not in place.

When the device is used, the eight cylindrical compression springs 4 are arranged in corresponding holes of the shell 3, the graphite sealing ring 5 is placed above the cylindrical springs and is arranged in a clamping groove of the shell 3, and at the moment, the supporting seat 1 penetrates through the shell 3 from bottom to top to play a role in fixing; the 2 main parts of guide block are the cylindricality sleeve, top-down passes supporting seat 1, after the mounted position of graphite sealing ring 5 was confirmed to guide block 2, exert pressure through nut 7 of screwing, impel guide block 2's bottom depression bar gradually and make the even atress of graphite sealing ring 5, drive graphite sealing ring 5 compression cylindricality compression spring 4 downwards, at this moment, cylindricality compression spring 4 and graphite sealing ring 5 are installed suitable position, fix snap ring 6 card in the groove of casing 3, treat that the installation is accomplished after, nut 7 of screwing, guide block 2 and supporting seat 1 are taken off from casing 3 upper portion and lower part respectively.

In summary, the following steps: this sealed mounting tool uses through the cooperation that sets up supporting seat 1, guide block 2, casing 3, cylindricality compression spring 4, graphite sealing ring 5, snap ring 6 and screw nut 7, has solved and has not had standard tool on the market and rely on the installation that artificial operation realized graphite sealing ring completely, and the problem that sealing ring installation effectiveness is low, the installation is not in place.

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

1. A seal installation tool, includes supporting seat (1), its characterized in that: the top cover of supporting seat (1) is equipped with casing (3), the inner chamber swing joint of casing (3) has cylindricality compression spring (4), swing joint has graphite sealing ring (5) in the draw-in groove of casing (3), the top swing joint of graphite sealing ring (5) has snap ring (6), the top cover of supporting seat (1) is equipped with guide block (2), snap ring (6) and casing (3) contact are run through to the bottom of guide block (2), the top cover of supporting seat (1) is equipped with nut (7) of screwing.

2. A seal installation tool according to claim 1, wherein: the number of the cylindrical compression springs (4) is eight, the top and the bottom of each cylindrical compression spring (4) are respectively in contact with the supporting seat (1) and the graphite sealing ring (5), and the graphite sealing ring (5) is located at the top of each cylindrical compression spring (4).

3. A seal installation tool according to claim 1, wherein: the screw nut (7) is located at the top of the guide block (2), the bottom of the screw nut (7) is in contact with the guide block (2), and the surface of the top end of the supporting seat (1) is in threaded connection with the joint of the screw nut (7).

4. A seal installation tool according to claim 1, wherein: the bottom of the guide block (2) is provided with four evenly distributed press rods, the overall dimension of the guide block is the same as that of the graphite sealing ring (5), and the outer surface of the graphite sealing ring (5) is provided with a clamping groove matched with the press rods of the guide block (2).

5. A seal installation tool according to claim 1, wherein: the top of casing (3), graphite sealing ring (5) and snap ring (6) all is circular, the bottom of supporting seat (1) is circular.