CN116276763A - Device and method for disassembling and assembling upper sector block of air compressor casing in aero-engine - Google Patents

Device and method for disassembling and assembling upper sector block of air compressor casing in aero-engine Download PDF

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Publication number
CN116276763A
CN116276763A CN202310105989.1A CN202310105989A CN116276763A CN 116276763 A CN116276763 A CN 116276763A CN 202310105989 A CN202310105989 A CN 202310105989A CN 116276763 A CN116276763 A CN 116276763A
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China
Prior art keywords
arc
rotating shaft
shaped
support
block
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Pending
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CN202310105989.1A
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Chinese (zh)
Inventor
张磊
龙洋
姜忠贤
徐路伟
李亚楠
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AECC Shenyang Engine Research Institute
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AECC Shenyang Engine Research Institute
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Priority to CN202310105989.1A priority Critical patent/CN116276763A/en
Publication of CN116276763A publication Critical patent/CN116276763A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)

Abstract

The application relates to a fan-shaped block dismounting device on aeroengine middle compressor casing and a method thereof, wherein the fan-shaped block dismounting device on aeroengine middle compressor casing comprises: a support; the arc-shaped positioning block is connected to the support by a screw and is connected with the mounting edge at one end of one half of the casing by a bolt, and the arc-shaped positioning block is centered and positioned by a spigot; the two arc-shaped clamping blocks are connected through two screws, clamp the sector blocks from two sides and are concentric with the casing; the guide pin is connected between the two arc-shaped clamping blocks, is in interference fit with one arc-shaped clamping block and is in clearance fit with the other arc-shaped clamping block; one end of the rotating shaft is connected to the support and can rotate relative to the support; the deflector rod is a telescopic rod, one end of the deflector rod is sleeved on the rotating shaft, the end of the deflector rod is fastened with the rotating shaft through a jackscrew, the other end of the deflector rod is contacted with the guide pin, and the fan-shaped block can be driven to slide along the arc-shaped groove when the rotating shaft rotates.

Description

Device and method for disassembling and assembling upper sector block of air compressor casing in aero-engine
Technical Field
The application belongs to the technical field of disassembly and assembly of sector blocks on a compressor casing in an aeroengine, and particularly relates to a disassembly and assembly device and method for the sector blocks on the compressor casing in the aeroengine.
Background
An arc-shaped groove is formed in a case of the aeroengine, in which the air compressor is horizontally split, and a sector block is arranged in the arc-shaped groove, so that the sector block needs to be frequently disassembled and assembled when the aeroengine is tested, fault detection and maintenance are performed.
At present, many are with the manual work, grasp the sector middle part with the hand, slide along the arc groove, carry out the dismouting to the sector, in fact, because reasons such as the error of processing size, part deformation easily lead to sector and quick-witted casket cooperation to be too tight, need strike the sector with copper hammer cooperation stick, just can realize the dismouting to the sector, it is laborious consuming time, and easily cause the part damage.
The present application has been made in view of the existence of the above-mentioned technical drawbacks.
It should be noted that the above disclosure of the background art is only for aiding in understanding the inventive concept and technical solution of the present invention, which is not necessarily prior art to the present application, and should not be used for evaluating the novelty and the creativity of the present application in the case where no clear evidence indicates that the above content has been disclosed at the filing date of the present application.
Disclosure of Invention
The invention aims to provide a fan-shaped block dismounting device on a compressor casing in an aeroengine and a method thereof, which are used for overcoming or alleviating the technical defects of at least one aspect of the known technology.
The technical scheme of the application is as follows:
in one aspect, a device for disassembling and assembling a fan-shaped block on a casing of a compressor in an aeroengine is provided, including:
a support;
the arc-shaped positioning block is connected to the support by a screw and is connected with the mounting edge at one end of one half of the casing by a bolt, and the arc-shaped positioning block is centered and positioned by a spigot;
the two arc-shaped clamping blocks are connected through two screws, clamp the sector blocks from two sides and are concentric with the casing;
the guide pin is connected between the two arc-shaped clamping blocks, is in interference fit with one arc-shaped clamping block and is in clearance fit with the other arc-shaped clamping block;
one end of the rotating shaft is connected to the support and can rotate relative to the support;
the deflector rod is a telescopic rod, one end of the deflector rod is sleeved on the rotating shaft, the end of the deflector rod is fastened with the rotating shaft through a jackscrew, the other end of the deflector rod is contacted with the guide pin, and the fan-shaped block can be driven to slide along the arc-shaped groove when the rotating shaft rotates.
According to at least one embodiment of the application, in the fan-shaped block dismounting device on the compressor casing in the aeroengine, the contact parts of the two arc-shaped clamping blocks and the fan-shaped block are connected with polytetrafluoroethylene material protection pads through screws.
According to at least one embodiment of the application, in the fan-shaped block dismounting device on the compressor casing in the aeroengine, two positioning pins are arranged on the support, so that the arc-shaped positioning blocks can be positioned and mounted conveniently.
According to at least one embodiment of the present application, in the above-mentioned fan-shaped block dismounting device on the compressor casing in the aeroengine, further includes:
the bracket is connected to the support through a bolt, is provided with a supporting hole, and is sleeved at one end of the rotating shaft, which is opposite to the support.
According to at least one embodiment of the present application, in the above-mentioned disassembly and assembly device for the sector block on the compressor casing in the aero-engine, the support is provided with a mounting hole;
one end of the rotating shaft, facing the support, is provided with two annular clamping grooves;
sector dismouting device on aeroengine middle compressor receiver still includes:
the support cylinder is sleeved at one end of the rotating shaft, which faces the support, and penetrates through the mounting hole;
the copper alloy circular ring is sleeved at one end of the rotating shaft, facing the support, in interference fit with the end of the rotating shaft and positioned between the end of the rotating shaft and the supporting cylinder;
the two clamping rings are clamped in the two annular clamping grooves and are positioned at two ends of the supporting cylinder.
According to at least one embodiment of the present application, in the above-mentioned disassembly and assembly device for fan-shaped blocks on a compressor casing in an aeroengine, one end of a rotating shaft facing a support is provided with a switching hole;
the fan-shaped block dismounting device on the aero-engine middle compressor casing further comprises:
the switching cylinder is internally provided with a square hole and is arranged in the switching hole;
the torsion bar has square head in one end, and square head can block in the square hole to this can rotate through torsion bar drive pivot.
On the other hand, the invention provides a method for disassembling and assembling the sector block on the compressor casing in the aeroengine, which comprises the following steps:
the mounting edge at one end of one half of the casing is connected to the arc-shaped positioning block through a bolt;
the distance between the two arc-shaped clamping blocks is adjusted along the guide pin, the arc-shaped clamping blocks are clamped on two sides of the sector block, and the sector block is clamped by two screws;
the height of the deflector rod is adjusted along the rotating shaft, and the deflector rod and the guide pin are positioned at the same horizontal height, so that the jackscrew is fastened on the rotating shaft;
the effective length of the deflector rod is adjusted, so that one end of the deflector rod, which is back to the rotating shaft, is contacted with the guide pin;
the square head of the torsion rod is clamped into the square hole of the switching cylinder, the torsion rod is rotated to drive the rotating shaft to rotate, the sector block is driven to slide along the arc-shaped groove, and the sector block is disassembled.
Drawings
Fig. 1 is a schematic diagram of a device for disassembling and assembling a sector block on a compressor casing in an aero-engine according to an embodiment of the present application;
fig. 2 is a schematic diagram of a part of a device for disassembling and assembling a fan-shaped block on a casing of a compressor in an aero-engine according to an embodiment of the present application;
fig. 3 is a partial schematic view of a device for disassembling and assembling a fan-shaped block on a compressor casing in an aero-engine according to an embodiment of the present application;
FIG. 4 is a schematic illustration of a torsion bar provided in an embodiment of the present application;
wherein:
1-a support; 2-arc-shaped positioning blocks; 3-case; 4-arc clamping blocks; 5-sector blocks; 6-a guide pin; 7-rotating shaft; 8-a deflector rod; 9-a bracket; 10-a support cylinder; 11-copper alloy rings; 12-a collar; 13-an adapter cylinder; 14-torsion bar.
For the purpose of better illustrating the present embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions, and furthermore, the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
Detailed Description
In order to make the technical solution of the present application and the advantages thereof more apparent, the technical solution of the present application will be more fully described in detail below with reference to the accompanying drawings, it being understood that the specific embodiments described herein are only some of the embodiments of the present application, which are for explanation of the present application, not for limitation of the present application. It should be noted that, for convenience of description, only the portion relevant to the present application is shown in the drawings, and other relevant portions may refer to a general design, and without conflict, the embodiments and technical features in the embodiments may be combined with each other to obtain new embodiments.
Furthermore, unless defined otherwise, technical or scientific terms used in the description of this application should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The terms "upper," "lower," "left," "right," "center," "vertical," "horizontal," "inner," "outer," and the like as used in this description are merely used to indicate relative directions or positional relationships, and do not imply that a device or element must have a particular orientation, be configured and operated in a particular orientation, and that the relative positional relationships may be changed when the absolute position of the object being described is changed, and thus should not be construed as limiting the present application. The terms "first," "second," "third," and the like, as used in the description herein, are used for descriptive purposes only and are not to be construed as indicating or implying any particular importance to the various components. The use of the terms "a," "an," or "the" and similar referents in the description of the invention are not to be construed as limited in number to the precise location of at least one. As used in this description, the terms "comprises," "comprising," or the like are intended to cover an element or article that appears before the term and that is listed after the term and its equivalents, without excluding other elements or articles.
Furthermore, unless specifically stated and limited otherwise, the terms "mounted," "connected," and the like in the description herein are to be construed broadly and refer to either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can also be communicated with the inside of two elements, and the specific meaning of the two elements can be understood by a person skilled in the art according to specific situations.
The present application is described in further detail below with reference to fig. 1-4.
In one aspect, a device for disassembling and assembling a fan-shaped block on a casing of a compressor in an aeroengine is provided, including:
a support 1;
the arc-shaped positioning block 2 is connected on the support 1 by a screw and is connected with the installation edge at one end of one half of the casing 3 by a bolt, so that the damage to the casing 3 can be avoided by utilizing the bolt hole on the installation edge,
centering and positioning are carried out by utilizing the spigot;
the two arc-shaped clamping blocks 4 are connected through two screws, clamp the sector blocks 5 from two sides and are concentric with the casing 3;
the guide pin 6 is connected between the two arc-shaped clamping blocks 4, is in interference fit with one arc-shaped clamping block 4, is in clearance fit with the other arc-shaped clamping block 4, and can slide the arc-shaped clamping block 4 along the guide pin 6 to adjust the distance between the two arc-shaped clamping blocks 4;
a rotating shaft 7, one end of which is connected to the support 1 and can rotate relative to the support 1;
the deflector rod 8 is a telescopic rod, one end of the deflector rod is sleeved on the rotating shaft 7, the end of the deflector rod is fastened with the rotating shaft 7 through jackscrews, the other end of the deflector rod is contacted with the guide pin 6, and when the rotating shaft 7 rotates, the fan-shaped block 5 can be driven to slide along the arc-shaped groove.
For the fan-shaped block dismounting device on the aeroengine middle compressor casing disclosed by the embodiment, as can be understood by those skilled in the art, the fan-shaped block dismounting device is designed to be used for centering and positioning the half of the casing 3 by the arc-shaped positioning block 2 fixed on the support 1, the fan-shaped block 5 is clamped by the two arc-shaped clamping blocks 4 from two sides, then the fan-shaped block is driven to rotate by the rotation of the rotating shaft 7 with one end connected to the support 1, the upper deflector rod 8 is driven to rotate and contact with the guide pin 6, and then the fan-shaped block 5 is driven to slide along the arc-shaped groove stably, so that the fan-shaped block 5 is dismounted conveniently and rapidly.
For the fan-shaped block dismounting device on the aeroengine middle compressor casing disclosed by the embodiment, as can be understood by those skilled in the art, the fan-shaped block 5 dismounting device on the aeroengine middle compressor casing 3 of different types can be adapted by replacing the arc-shaped positioning blocks 2 and the arc-shaped clamping blocks 4 with different sizes, adjusting the distance between the two arc-shaped clamping blocks 4, the height of the deflector rod 8 on the rotating shaft 7 and the effective length of the deflector rod 8, and has higher universality.
In some alternative embodiments, in the above-mentioned disassembly and assembly device for fan-shaped blocks on a compressor casing in an aeroengine, contact portions of two arc-shaped clamping blocks 4 and the fan-shaped blocks 5 are connected with polytetrafluoroethylene material protection pads by screws so as to protect the fan-shaped blocks 5 from damage.
In some alternative embodiments, in the above-mentioned disassembly and assembly device for fan-shaped blocks on a compressor casing in an aeroengine, two positioning pins are arranged on the support 1, so as to facilitate positioning and installation of the arc-shaped positioning blocks 2.
In some optional embodiments, in the above-mentioned disassembly and assembly device for fan-shaped blocks on a compressor casing in an aeroengine, the disassembly and assembly device further includes:
the bracket 9 is connected to the support 1 through bolts and is provided with a supporting hole, and is sleeved at one end of the rotating shaft 7, which is opposite to the support 1, so as to keep the stability of the rotating shaft 7.
In some alternative embodiments, in the above-mentioned disassembly and assembly device for fan-shaped blocks on a compressor casing in an aeroengine, the support 1 is provided with a mounting hole;
one end of the rotating shaft 7 facing the support 1 is provided with two annular clamping grooves;
sector dismouting device on aeroengine middle compressor receiver still includes:
the support cylinder 10 is sleeved at one end of the rotating shaft 7 facing the support 1 and penetrates through the mounting hole;
the copper alloy circular ring 11 is sleeved at one end of the rotating shaft 7 facing the support 1, is in interference fit with the end of the rotating shaft 7, is positioned between the end of the rotating shaft 7 and the supporting cylinder 10, and is prevented from being damaged by friction in the rotating process of the rotating shaft 7;
the two clamping rings 12 are clamped in the two annular clamping grooves and positioned at the two ends of the supporting cylinder 10 for limiting.
In some alternative embodiments, in the above-mentioned disassembly and assembly device for fan-shaped blocks on a compressor casing in an aeroengine, one end of the rotating shaft 7 facing the support 1 is provided with a connecting hole;
the fan-shaped block dismounting device on the aero-engine middle compressor casing further comprises:
the switching cylinder 13 is internally provided with a square hole and is arranged in the switching hole;
the torsion bar 14 has a square head at one end, and the square head can be clamped into the square hole, so that the rotation shaft 7 can be driven to rotate by the torsion bar 14.
On the other hand, the invention provides a method for disassembling and assembling the sector block on the compressor casing in the aeroengine, which comprises the following steps:
the mounting edge at one end of one half of the casing 3 is connected to the arc-shaped positioning block 2 through bolts;
the distance between the two arc-shaped clamping blocks 4 is adjusted along the guide pin 6, the arc-shaped clamping blocks are clamped on two sides of the sector block 5, and the sector block 5 is clamped by two screws;
the height of the deflector rod 8 is adjusted along the rotating shaft 7 and is at the same horizontal height with the guide pin 6, so that a jackscrew is fastened on the rotating shaft 7;
the effective length of the deflector rod 8 is adjusted, so that one end of the deflector rod 8, which is away from the rotating shaft 7, is contacted with the guide pin 6;
the square head of the torsion rod 14 is clamped into the square hole of the adapter cylinder 13, and the torsion rod 14 is rotated to drive the rotating shaft 7 to rotate, so that the sector block 5 is driven to slide along the arc-shaped groove, and the sector block 5 is disassembled.
The method for disassembling and assembling the fan-shaped block on the air compressor casing in the aeroengine disclosed by the embodiment is implemented based on the device for disassembling and assembling the fan-shaped block on the air compressor casing in the aeroengine disclosed by the embodiment, the description is simpler, the specific relevant parts can be referred to the relevant description of the device for disassembling and assembling the fan-shaped block on the air compressor casing in the aeroengine, the technical effects of the device for disassembling and assembling the fan-shaped block on the air compressor casing in the aeroengine can also be referred to the technical effects of the relevant parts of the device for disassembling and assembling the fan-shaped block on the air compressor casing in the aeroengine, and the description is omitted.
In the description, each embodiment is described in a progressive manner, and each embodiment is mainly described by the differences from other embodiments, so that the same similar parts among the embodiments are mutually referred.
Having thus described the technical aspects of the present application with reference to the preferred embodiments illustrated in the accompanying drawings, it should be understood by those skilled in the art that the scope of the present application is not limited to the specific embodiments, and those skilled in the art may make equivalent changes or substitutions to the relevant technical features without departing from the principles of the present application, and those changes or substitutions will now fall within the scope of the present application.

Claims (7)

1. The utility model provides a fan-shaped piece dismouting device on aeroengine middle compressor receiver which characterized in that includes:
a support (1);
the arc-shaped positioning block (2) is connected to the support (1) through a screw, is connected with the mounting edge at one end of one half of the casing (3) through a bolt, and is centered and positioned by utilizing the spigot;
the two arc-shaped clamping blocks (4) are connected through two screws, clamp the sector blocks (5) from two sides and are concentric with the casing (3);
the guide pin (6) is connected between the two arc-shaped clamping blocks (4), is in interference fit with one arc-shaped clamping block (4), and is in clearance fit with the other arc-shaped clamping block (4);
one end of the rotating shaft (7) is connected to the support (1) and can rotate relative to the support (1);
the deflector rod (8) is a telescopic rod, one end of the deflector rod is sleeved on the rotating shaft (7), the end of the deflector rod is fastened with the rotating shaft (7) through a jackscrew, the other end of the deflector rod is contacted with the guide pin (6), and the fan-shaped block (5) can be driven to slide along the arc-shaped groove when the rotating shaft (7) rotates.
2. The device for dismounting the upper sector block of the compressor casing of the aeroengine according to claim 1, wherein,
the contact parts of the two arc-shaped clamping blocks (4) and the sector blocks (5) are connected with polytetrafluoroethylene material protection pads by screws.
3. The device for dismounting the upper sector block of the compressor casing of the aeroengine according to claim 1, wherein,
two positioning pins are arranged on the support (1) so as to position and install the arc-shaped positioning blocks (2).
4. The device for dismounting the upper sector block of the compressor casing of the aeroengine according to claim 1, wherein,
further comprises:
the bracket (9) is connected to the support (1) through bolts, is provided with a supporting hole, and is sleeved at one end of the rotating shaft (7) back to the support (1).
5. The device for dismounting the upper sector block of the compressor casing of the aeroengine according to claim 1, wherein,
the support (1) is provided with a mounting hole;
one end of the rotating shaft (7) facing the support (1) is provided with two annular clamping grooves;
sector dismouting device on aeroengine middle compressor receiver still includes:
the support cylinder (10) is sleeved at one end of the rotating shaft (7) facing the support (1) and penetrates through the mounting hole;
the copper alloy circular ring (11) is sleeved at one end of the rotating shaft (7) facing the support (1), is in interference fit with the end of the rotating shaft (7), and is positioned between the end of the rotating shaft (7) and the supporting cylinder (10);
and the two clamping rings (12) are clamped in the two annular clamping grooves and are positioned at two ends of the supporting cylinder (10).
6. The device for dismounting the upper sector block of the compressor casing of the aeroengine according to claim 1, wherein,
one end of the rotating shaft (7) facing the support (1) is provided with a switching hole;
the fan-shaped block dismounting device on the aero-engine middle compressor casing further comprises:
the adapter cylinder (13) is internally provided with a square hole and is arranged in the adapter hole;
the torsion rod (14) is provided with a square head at one end, and the square head can be clamped in the square hole, so that the rotation shaft (7) can be driven to rotate through the torsion rod (14).
7. The method for disassembling and assembling the sector block on the compressor casing in the aeroengine is characterized by comprising the following steps of:
the mounting edge at one end of one half of the casing (3) is connected to the arc-shaped positioning block (2) through a bolt;
the distance between the two arc-shaped clamping blocks (4) is adjusted along the guide pin (6), the arc-shaped clamping blocks are clamped on two sides of the sector block (5), and the sector block (5) is clamped by two screws;
the height of the deflector rod (8) is adjusted along the rotating shaft (7) and is at the same horizontal height with the guide pin (6) so as to fasten the jackscrew on the rotating shaft (7);
the effective length of the deflector rod (8) is adjusted, so that one end of the deflector rod (8) facing away from the rotating shaft (7) is contacted with the guide pin (6);
the square head of the torsion rod (14) is clamped into the square hole of the adapter cylinder (13), the torsion rod (14) is rotated to drive the rotating shaft (7) to rotate, the sector block (5) is driven to slide along the arc-shaped groove, and the sector block (5) is disassembled.
CN202310105989.1A 2023-02-13 2023-02-13 Device and method for disassembling and assembling upper sector block of air compressor casing in aero-engine Pending CN116276763A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310105989.1A CN116276763A (en) 2023-02-13 2023-02-13 Device and method for disassembling and assembling upper sector block of air compressor casing in aero-engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310105989.1A CN116276763A (en) 2023-02-13 2023-02-13 Device and method for disassembling and assembling upper sector block of air compressor casing in aero-engine

Publications (1)

Publication Number Publication Date
CN116276763A true CN116276763A (en) 2023-06-23

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310105989.1A Pending CN116276763A (en) 2023-02-13 2023-02-13 Device and method for disassembling and assembling upper sector block of air compressor casing in aero-engine

Country Status (1)

Country Link
CN (1) CN116276763A (en)

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