CN116000844A - Novel aircraft engine fan blade backing plate extracting tool - Google Patents
Novel aircraft engine fan blade backing plate extracting tool Download PDFInfo
- Publication number
- CN116000844A CN116000844A CN202211695709.9A CN202211695709A CN116000844A CN 116000844 A CN116000844 A CN 116000844A CN 202211695709 A CN202211695709 A CN 202211695709A CN 116000844 A CN116000844 A CN 116000844A
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- China
- Prior art keywords
- handle
- backing plate
- fan blade
- ratchet wheel
- connecting rod
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- Pending
Links
- 210000000078 claw Anatomy 0.000 claims abstract description 18
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Abstract
The invention discloses a novel disassembling tool for a fan blade backing plate of an aero-engine, and relates to the technical field of aero-engine maintenance. The device comprises a handle, wherein one end of the handle is provided with a mounting groove, and a backing plate dismounting mechanism is connected in the mounting groove; the handle is provided with be connected with positioning mechanism on the one end lateral wall of mounting groove, positioning mechanism is used for fixing the one end of device. The novel disassembling tool for the fan blade backing plate of the aeroengine disclosed by the invention has the advantages that the structure is simple, the use is convenient, the gasket can be pulled out only by repeatedly poking the ratchet wheel through the rotating handle, and the rebound mechanism and the limiting claw are matched to work, so that the rotation of the wire wheel can be avoided, and the use is more convenient.
Description
Technical Field
The invention relates to the technical field of aeroengine maintenance, in particular to a novel tool for disassembling a fan blade backing plate of an aeroengine.
Background
The composite material fan blade of LEAP series engine is provided with the gasket between the trip, because the gasket is installed through interference fit's mode, very difficult when the later maintenance dismantles the backing plate, need adopt foreign company's specialized tool when dismantling at present, and this instrument is the bolt and nut's Ma Gongju that draws, and is not only expensive to use loaded down with trivial details, fixed inconvenient, waste time when dismantling.
Therefore, there is a need for a new aircraft engine fan blade pad removal tool that is simple in construction, compact, portable, and simple to use and secure.
Disclosure of Invention
The invention provides a novel disassembling tool for a fan blade backing plate of an aeroengine, which aims to solve the technical problems, and adopts the following technical scheme:
the novel aircraft engine fan blade backing plate dismounting tool comprises a handle, wherein one end of the handle is provided with a mounting groove, and a backing plate dismounting mechanism is connected in the mounting groove; the handle is provided with be connected with positioning mechanism on the one end lateral wall of mounting groove, positioning mechanism is used for fixing the one end of device.
Further, the backing plate dismounting mechanism comprises a rotating shaft, a wire wheel, a ratchet wheel, a limiting claw and a rebound mechanism, wherein the rotating shaft is rotationally connected inside the mounting groove, the ratchet wheel and the wire wheel are sequentially sleeved on the rotating shaft, the limiting claw is connected onto the handle, the limiting claw is matched with the ratchet wheel, a wire is connected onto the wire wheel, and one end of the wire is connected with a hook; the resilience mechanism is connected to the handle and is located on one side, away from the ratchet wheel, of the limiting claw.
Further, the limit claw comprises a mounting seat and a pawl, the mounting seat is fixedly connected to the handle, the pawl is hinged to the mounting seat, and the pawl is matched with ratchet teeth of the ratchet wheel.
Further, the rebound mechanism comprises a rebound seat and a spring, wherein the rebound seat is connected to the handle, the rebound seat is located at one side, far away from the ratchet wheel, of the limit claw, and the spring is connected between the pawl and the rebound seat.
Further, positioning mechanism includes connecting rod, L type connecting rod and fixed column, the connecting rod is provided with two, two the connecting rod connect respectively in on two lateral walls that handle one end is relative, every the connecting rod is kept away from the one end of handle all is connected with L type connecting rod, L type connecting rod is kept away from the downside of the one end of connecting rod is connected with the fixed column.
Further, the fixed column is of a cylindrical structure.
Further, the ratchet wheel is provided with a plurality of through holes, and the through holes are detachably connected with a rotary handle.
Further, the rotary handle comprises a deflector rod and a rotary head, the rotary head is rotatably connected to one side of the deflector rod, and the rotary head is matched with the through hole.
The invention has the beneficial effects that:
the spring-back mechanism is simple in structure and convenient to use, the gasket can be pulled out only by repeatedly poking the ratchet wheel through the rotary handle, and the spring-back mechanism and the limiting claw cooperate to avoid the rotation of the wire wheel, so that the spring-back mechanism is more convenient to use.
Drawings
Fig. 1 is a perspective view of a novel aircraft engine fan blade pad removal tool of the present invention.
Fig. 2 is an enlarged view of a portion a of fig. 1.
Fig. 3 is another perspective view of a novel aircraft engine fan blade pad removal tool of the present invention.
FIG. 4 is a schematic view of a rotary handle of a novel aircraft engine fan blade pad removal tool of the present invention.
Wherein, in the figure:
1-a handle; 11-mounting slots; 2-a backing plate dismounting mechanism; 21-a rotating shaft; 22-wire wheel; 23-ratchet wheel; 231-through holes; 24-limiting claws; 241-mount; 242-pawl; 25-a rebound mechanism; 251-rebound seat; 252-springs; 3-a positioning mechanism; 31-connecting rods; a 32-L-shaped link; 33-fixing columns; 4-rotating the handle; 41-a deflector rod; 42-rotating head.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 4 of the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples
The embodiment provides a novel aircraft engine fan blade backing plate dismounting tool which comprises a handle 1, wherein the handle 1 is of a rectangular strip-shaped structure in the embodiment, one end of the handle 1 is provided with a mounting groove 11, the mounting groove 11 is a rectangular groove, and a backing plate dismounting mechanism 2 is connected in the mounting groove 11; the handle 1 is provided with a positioning mechanism 3 on the outer side wall of one end of the installation groove 11, and the positioning mechanism 3 is used for fixing one end of the device.
The backing plate dismounting mechanism 2 comprises a rotating shaft 21, a wire wheel 22, a ratchet wheel 23, a limiting claw 24 and a rebound mechanism 25, wherein the rotating shaft 21 is rotationally connected inside the mounting groove 11, the ratchet wheel 23 and the wire wheel 22 are sequentially sleeved on the rotating shaft 21, the limiting claw 24 is connected to the handle 1, the limiting claw 24 is matched with the ratchet wheel 23, a pull wire is connected to the wire wheel 22, one end of the pull wire, far away from the wire wheel 22, is connected with a hook, and the hook is used for hooking a hole on a fan blade backing plate to pull out the backing plate; the resilient mechanism 25 is connected to the handle 1, and the resilient mechanism 25 is located on a side of the limit pawl 24 away from the ratchet wheel 23.
In this embodiment, the limiting pawl 24 includes a mounting seat 241 and a pawl 242, the mounting seat 241 is fixedly connected to the handle 1, the pawl 242 is hinged to the mounting seat 241, the pawl 242 is adapted to the ratchet teeth of the ratchet wheel 23, and the pawl 242 hinged to the mounting seat 241 may rotate at one end.
Further, the resilient mechanism 25 includes a resilient base 251 and a spring 252, the resilient base 251 is connected to the handle 1, the resilient base 251 is located on a side of the limit pawl 24 away from the ratchet wheel 23, and the spring 252 is connected between the pawl 242 and the resilient base 251.
When the ratchet wheel 23 is shifted and the rotating shaft 21 and the wire wheel 22 are driven to rotate, the pull wire is wound on the wire wheel 22, the pull wire drives the hook to pull out the base plate, and the pawl 242 ensures that the ratchet wheel 23 can only rotate towards one direction under the elastic limit action of the spring 252 of the rebound mechanism 25, so that the ratchet wheel is prevented from rotating when the ratchet wheel 23 is stopped to be shifted.
The positioning mechanism 3 comprises two connecting rods 31, L-shaped connecting rods 32 and fixing columns 33, the two connecting rods 31 are respectively connected to two opposite side walls at one end of the handle 1, one end, far away from the handle 1, of each connecting rod 31 is connected with the L-shaped connecting rod 32, and the lower side, far away from one end of the connecting rod 31, of each L-shaped connecting rod 32 is connected with the fixing column 33; when the device is in use, two fixing columns 33 are inserted into lug holes on two sides of the gasket (composite material fan blades of LEAP series engines, lugs are arranged on the periphery of the gasket, lug holes are formed in the lugs), and the fixing columns 33 are fixed in position under the action of the lug holes.
Further, in this embodiment, the fixing post 33 has a cylindrical structure, so that the fixing post 33 is conveniently inserted into the hole of the bump.
As an optimization, the ratchet wheel 23 is provided with a plurality of through holes 231, in the embodiment, 4 through holes 231 are provided, the angle between every two adjacent through holes 231 is 90 degrees, and the rotation of the rotary handle 4 is prevented from being blocked by the handle or the connecting rod; the rotary handle 4 is detachably connected to the through hole 231, the rotary handle 4 comprises a deflector rod 41 and a rotary head 42, the rotary head 42 is rotatably connected to one side of the deflector rod 41, the rotary head 42 is matched with the through hole 231, namely, the outer diameter of the rotary head 42 is slightly smaller than the inner diameter of the through hole 231, the rotary head is conveniently installed in the through hole 231 to stir the ratchet wheel 23, and the external force is applied to the ratchet wheel 23 due to the arrangement of the deflector rod 41.
When the device is used, the two fixing columns 33 are inserted into the lug holes on two sides of the gasket, the fixing columns 33 are fixed under the action of the lug holes, then the rotary handle 4 is inserted into the corresponding through holes 231, the ratchet wheel 23 is stirred and drives the rotary shaft 21 and the wire wheel 22 to rotate, the wire is wound on the wire wheel 22, the wire exposed outside the wire wheel 22 is shortened and drives the hook to pull out the gasket from the pawl 242 under the elastic limit action of the spring 252 of the rebound mechanism 25, the ratchet wheel 23 can only rotate in one direction, the ratchet wheel is prevented from rotating to drive the ratchet wheel 23 when the stirring of the ratchet wheel 23 is stopped, after the wire collection is finished or the gasket is completely pulled out, the pawl 242 is manually stirred to compress the spring 252 and far away from the ratchet wheel 23, at the moment, the ratchet wheel 23 is not limited to rotate by the pawl 242, and the wire can be reversely rotated to extend the ratchet wheel 23 so as to pull out the wire, so that the gasket is pulled out.
The novel disassembling tool for the fan blade backing plate of the aeroengine disclosed by the invention has the advantages that the structure is simple, the use is convenient, the gasket can be pulled out only by repeatedly poking the ratchet wheel through the rotating handle, and the rebound mechanism and the limiting claw are matched to work, so that the rotation of the wire wheel can be avoided, and the use is more convenient.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to the embodiments described above will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The novel tool for disassembling the fan blade backing plate of the aeroengine is characterized by comprising a handle, wherein one end of the handle is provided with a mounting groove, and a backing plate disassembling mechanism is connected in the mounting groove; the handle is provided with be connected with positioning mechanism on the one end lateral wall of mounting groove, positioning mechanism is used for fixing the one end of device.
2. The novel aircraft engine fan blade backing plate detaching tool according to claim 1, wherein the backing plate detaching mechanism comprises a rotating shaft, a wire wheel, a ratchet wheel, a limiting claw and a rebound mechanism, the rotating shaft is rotatably connected inside the mounting groove, the ratchet wheel and the wire wheel are sequentially sleeved on the rotating shaft, the limiting claw is connected to the handle, the limiting claw is matched with the ratchet wheel, a stay wire is connected to the wire wheel, and one end of the stay wire is connected with a hook; the resilience mechanism is connected to the handle and is located on one side, away from the ratchet wheel, of the limiting claw.
3. The novel aircraft engine fan blade backing plate removal implement of claim 2, wherein the limit pawl comprises a mounting seat and a pawl, the mounting seat is fixedly connected to the handle, the pawl is hinged to the mounting seat and the pawl is matched with ratchet teeth of the ratchet wheel.
4. The novel aircraft engine fan blade backing plate extracting tool of claim 3, wherein the rebound mechanism comprises a rebound seat and a spring, the rebound seat is connected to the handle, the rebound seat is located on one side of the limit claw away from the ratchet wheel, and the spring is connected between the pawl and the rebound seat.
5. The novel aircraft engine fan blade backing plate extracting tool of claim 2, wherein, positioning mechanism includes connecting rod, L type connecting rod and fixed column, the connecting rod is provided with two, two the connecting rod connect respectively on two opposite lateral walls of handle one end, every the connecting rod is kept away from the one end of handle all is connected with L type connecting rod, the L type connecting rod is kept away from the downside of the one end of connecting rod is connected with the fixed column.
6. The tool for removing a blade shim plate from an aircraft engine of claim 4, wherein said fixed post is cylindrical in configuration.
7. The novel aircraft engine fan blade backing plate detaching tool according to claim 2, wherein the ratchet wheel is provided with a plurality of through holes, and the through holes are detachably connected with rotary handles.
8. The novel aircraft engine fan blade backing plate extracting tool of claim 7, wherein the rotary handle comprises a deflector rod and a rotary head, the rotary head is rotatably connected to one side of the deflector rod, and the rotary head is matched with the through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211695709.9A CN116000844A (en) | 2022-12-28 | 2022-12-28 | Novel aircraft engine fan blade backing plate extracting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211695709.9A CN116000844A (en) | 2022-12-28 | 2022-12-28 | Novel aircraft engine fan blade backing plate extracting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116000844A true CN116000844A (en) | 2023-04-25 |
Family
ID=86034879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211695709.9A Pending CN116000844A (en) | 2022-12-28 | 2022-12-28 | Novel aircraft engine fan blade backing plate extracting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116000844A (en) |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6202273B1 (en) * | 1999-07-30 | 2001-03-20 | General Electric Company | Shim removing tool |
| JP2015093374A (en) * | 2013-11-11 | 2015-05-18 | 利夫 牧田 | Flange fitting jig |
| CN204569267U (en) * | 2015-04-10 | 2015-08-19 | 青岛港国际股份有限公司 | Equipment unit dismounting is with hanging pull tool |
| CN205915238U (en) * | 2016-07-21 | 2017-02-01 | 四川建筑职业技术学院 | Telescopic plate clamp |
| CN108818403A (en) * | 2018-08-06 | 2018-11-16 | 江苏紫金动力股份有限公司 | A kind of cylinder sleeve provision for disengagement |
| CN208342737U (en) * | 2018-05-22 | 2019-01-08 | 国网天津静海供电有限公司 | The convenient installation tool of gasket, spring pad and nut is installed in a kind of electrification |
| CN109928324A (en) * | 2017-12-19 | 2019-06-25 | 焦红 | A kind of power engineering earth anchor dismounting device |
| CN209903099U (en) * | 2019-04-30 | 2020-01-07 | 尹超 | Pull claw type crank pin gasket puller |
| CN110695922A (en) * | 2019-11-11 | 2020-01-17 | 中国民用航空飞行学院 | Hollow positioning pin on precision part dismantles and uses operation frock |
| CN211004265U (en) * | 2019-10-12 | 2020-07-14 | 山东康弘机械有限公司 | Work piece lifting arm for welding lifter |
| CN211644441U (en) * | 2020-01-17 | 2020-10-09 | 乔雷超 | Chain chest-developer |
| KR102228755B1 (en) * | 2020-08-26 | 2021-03-17 | 대원전기 주식회사 | Bypass cable pulling device for indirect live wire with temporary hook with automatic detachable fixing hook and cable head rotating connection clamp and installation method using it |
| CN213165156U (en) * | 2020-08-18 | 2021-05-11 | 广东天航众科技有限公司 | Be used for aeroengine annex gear box buckle formula extracting tool |
| CN213439425U (en) * | 2020-06-17 | 2021-06-15 | 铜陵化工集团新桥矿业有限公司 | Special tool for dismounting diesel engine cylinder sleeve |
| CN214771750U (en) * | 2021-05-14 | 2021-11-19 | 南宁中车轨道交通装备有限公司 | Dismounting tool for urban rail vehicle |
| CN114354608A (en) * | 2021-10-18 | 2022-04-15 | 中国民用航空飞行学院 | Automatic detection device is visited in aeroengine blade hole |
| CN217211107U (en) * | 2022-05-03 | 2022-08-16 | 蚌埠市南方数码科技有限责任公司 | Land scale for liquefied gas filling scale convenient for loading and unloading liquefied gas cylinder |
-
2022
- 2022-12-28 CN CN202211695709.9A patent/CN116000844A/en active Pending
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6202273B1 (en) * | 1999-07-30 | 2001-03-20 | General Electric Company | Shim removing tool |
| JP2015093374A (en) * | 2013-11-11 | 2015-05-18 | 利夫 牧田 | Flange fitting jig |
| CN204569267U (en) * | 2015-04-10 | 2015-08-19 | 青岛港国际股份有限公司 | Equipment unit dismounting is with hanging pull tool |
| CN205915238U (en) * | 2016-07-21 | 2017-02-01 | 四川建筑职业技术学院 | Telescopic plate clamp |
| CN109928324A (en) * | 2017-12-19 | 2019-06-25 | 焦红 | A kind of power engineering earth anchor dismounting device |
| CN208342737U (en) * | 2018-05-22 | 2019-01-08 | 国网天津静海供电有限公司 | The convenient installation tool of gasket, spring pad and nut is installed in a kind of electrification |
| CN108818403A (en) * | 2018-08-06 | 2018-11-16 | 江苏紫金动力股份有限公司 | A kind of cylinder sleeve provision for disengagement |
| CN209903099U (en) * | 2019-04-30 | 2020-01-07 | 尹超 | Pull claw type crank pin gasket puller |
| CN211004265U (en) * | 2019-10-12 | 2020-07-14 | 山东康弘机械有限公司 | Work piece lifting arm for welding lifter |
| CN110695922A (en) * | 2019-11-11 | 2020-01-17 | 中国民用航空飞行学院 | Hollow positioning pin on precision part dismantles and uses operation frock |
| CN211644441U (en) * | 2020-01-17 | 2020-10-09 | 乔雷超 | Chain chest-developer |
| CN213439425U (en) * | 2020-06-17 | 2021-06-15 | 铜陵化工集团新桥矿业有限公司 | Special tool for dismounting diesel engine cylinder sleeve |
| CN213165156U (en) * | 2020-08-18 | 2021-05-11 | 广东天航众科技有限公司 | Be used for aeroengine annex gear box buckle formula extracting tool |
| KR102228755B1 (en) * | 2020-08-26 | 2021-03-17 | 대원전기 주식회사 | Bypass cable pulling device for indirect live wire with temporary hook with automatic detachable fixing hook and cable head rotating connection clamp and installation method using it |
| CN214771750U (en) * | 2021-05-14 | 2021-11-19 | 南宁中车轨道交通装备有限公司 | Dismounting tool for urban rail vehicle |
| CN114354608A (en) * | 2021-10-18 | 2022-04-15 | 中国民用航空飞行学院 | Automatic detection device is visited in aeroengine blade hole |
| CN217211107U (en) * | 2022-05-03 | 2022-08-16 | 蚌埠市南方数码科技有限责任公司 | Land scale for liquefied gas filling scale convenient for loading and unloading liquefied gas cylinder |
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