CN112621203A - Combined positioning device and positioning method for external pipeline interface position of engine - Google Patents

Combined positioning device and positioning method for external pipeline interface position of engine Download PDF

Info

Publication number
CN112621203A
CN112621203A CN202011298232.1A CN202011298232A CN112621203A CN 112621203 A CN112621203 A CN 112621203A CN 202011298232 A CN202011298232 A CN 202011298232A CN 112621203 A CN112621203 A CN 112621203A
Authority
CN
China
Prior art keywords
positioning
combined
seat
pipeline
positioning device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202011298232.1A
Other languages
Chinese (zh)
Other versions
CN112621203B (en
Inventor
李伟
韩冰
巩孟祥
党伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AECC Shenyang Liming Aero Engine Co Ltd
Original Assignee
AECC Shenyang Liming Aero Engine Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by AECC Shenyang Liming Aero Engine Co Ltd filed Critical AECC Shenyang Liming Aero Engine Co Ltd
Priority to CN202011298232.1A priority Critical patent/CN112621203B/en
Publication of CN112621203A publication Critical patent/CN112621203A/en
Application granted granted Critical
Publication of CN112621203B publication Critical patent/CN112621203B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/10Aligning parts to be fitted together

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Assembly (AREA)

Abstract

The invention discloses a combined positioning device for an external pipeline interface position of an engine, which comprises a supporting seat, a positioning rod, a mounting seat, a bolt and a positioning pin, wherein the supporting seat is fixedly connected with the positioning rod; the positioning rod and the mounting seat are connected together through a bolt to form a positioning seat; the positioning seat is provided with a bolt and a positioning pin to form a positioning arm; the structure of the positioning arm is used for positioning by utilizing the coordinate size according to the spatial position of the pipe joint to be measured, and the pipe joint is aligned by the bolt and the positioning pin so as to be connected and fixed with the pipe joint; the pipeline of the corresponding accessory is also pre-positioned by adopting the combined positioning device. The invention adopts the combined positioning control technology, improves the installation position degree of the guide pipe, reduces the pipeline correction time, realizes the smooth connection of the external pipelines of the engine in a combined state, and ensures the assembly progress and quality of the engine.

Description

Combined positioning device and positioning method for external pipeline interface position of engine
Technical Field
The invention relates to the technical field of assembling and positioning of external pipelines of engines, in particular to a combined positioning device and a positioning method for an interface position of an external pipeline of an engine.
Background
Hundreds of pipelines are laid outside the aircraft engine, wherein a part of pipelines are connected with an engine accessory interface or an accessory leading-out pipeline interface and are affected by machining size tolerance, the position consistency of the pipeline interfaces is poor, the pipelines need to be corrected during assembly connection, if multiple pipelines are connected simultaneously during accessory installation, the assembly interference condition exists between the pipelines frequently, the correction wastes time and labor, the assembly progress is delayed, and the quality of the pipelines is affected.
Disclosure of Invention
In order to solve the technical problems, the combined positioning device for the position of the external pipeline interface of the engine and the positioning method thereof have the following specific technical scheme:
a combined positioning device for the position of an external pipeline interface of an engine comprises a supporting seat, a positioning rod, a mounting seat, a bolt and a positioning pin;
the positioning rod and the mounting seat are connected together through a bolt to form a positioning seat;
the positioning seat is provided with a bolt and a positioning pin to form a positioning arm;
the structure of the positioning arm is used for positioning by utilizing the coordinate size according to the spatial position of the pipe joint to be measured, and the pipe joint is aligned by the bolt and the positioning pin so as to be connected and fixed with the pipe joint; the pipeline of the corresponding accessory is also pre-positioned by adopting the combined positioning device.
The preferred scheme of the combined positioning device for the external pipeline connector position of the engine is that positioning pins connected with pipeline connectors are arranged on the positioning seats, and the positioning pins are connected with bolts and can move back and forth.
The preferable scheme of the combined positioning device for the interface position of the external pipeline of the engine is that the bolts and the positioning pins on the positioning seats are symmetrically arranged, and the number of the bolts and the positioning pins is set according to the number of the guide pipes on each pipeline.
Is applied to a positioning method of a combined positioning device of an external pipeline interface position of an engine,
the method comprises the following steps: according to the spatial position of the pipeline interface, firstly determining the coordinate and vector table of the position of an outlet of an engine pipeline joint connected with the flying attachment casing;
step two: selecting an installation interface of the pipeline connecting end as an installation position of the combined positioning device, and designing a supporting seat structure; designing the structure and the size of a positioning seat in the pipeline interface position combined positioning device according to the coordinate and the vector table to complete the structural design of the pipeline interface position combined positioning device;
step three: completing the manufacturing work of the device according to the design drawing of the combined positioning device;
step four: assembling external pipelines of an aircraft engine, mounting a pipeline combined positioning device on a mounting interface of an attached casing before mounting the pipelines, and fixing the pipeline combined positioning device by using a hoop;
step five: the bolts of the positioning seats on the combined positioning device are respectively pulled out backwards, so that the length of the positioning measuring pins is shortened at the same time;
step six: firstly, respectively connecting pipelines to be installed with a guide pipe on an engine according to the assembling position, then respectively aligning the pipelines with the positioning pin interface position on the positioning seat, and correcting the pipelines if deviation exists;
step seven: aligning the positioning pins on the combined positioning device with the pipe orifices of the guide pipes respectively, and then fluctuating the bolts of the positioning seats forwards, namely, the pin heads of the positioning pins extend into the pipe orifices of the guide pipes to fix the guide pipes;
step eight: operating according to the fifth step to the seventh step, and respectively aligning and installing the residual guide pipe with the positioning pin of the residual positioning seat b arranged on the combined positioning device and fixing;
step nine: respectively pulling out and inserting the inserted pins of all the positioning seats to check the accuracy of the position of the conduit and submit the position to an inspector for rechecking and confirmation;
step ten, pulling out all the pins of the combined positioning device backwards to separate the positioning pin from the front part of the guide pipe;
step eleven: and separating the clamp on the lower supporting seat and detaching the combined positioning device.
The working principle of the combined positioning device for the position of the external pipeline interface of the engine is as follows:
the pipeline connector position combined positioning device is used for pre-positioning, a supporting seat of the combined positioning device is connected and fixed with an engine or an accessory, the theoretical installation position of a pipeline connector of a connecting piece is simulated through a positioning seat and a conduit outlet positioning seat, then the conduit outlet positioning seat is connected with a gateway of a conduit to be connected, the correctness of the position of the conduit is corrected in advance, and the conduit can be accurately and smoothly connected when the accessory is installed.
The invention has the beneficial effects that: the invention solves the problems that when a plurality of guide pipes are assembled in an external pipeline assembly of an engine simultaneously in an butt joint mode, the connection cannot be realized due to the structural position deviation and the matched guide pipe connecting nozzle is easy to be damaged.
Tests prove that the positioning method can ensure that the engine and a plurality of guide pipes are simultaneously and smoothly connected with a plurality of guide pipes on the accessory, avoid the problems of collision and damage of the guide pipes and the like caused by mutual interference among pipelines in the assembling process due to the position deviation of the guide pipes, is successfully applied to the assembly of the aeroengine, and has high economic value and practical value.
Drawings
Fig. 1 is a schematic structural view of a combined positioning device.
In the figure, a 1-supporting seat, a 2-positioning seat a, a 3-bolt, a 4-positioning pin, a 5-positioning seat b, a 6-positioning seat c, a 7-positioning seat d, an 8-positioning seat e, a 9-positioning rod and a 10-mounting seat.
Detailed Description
Example 1
As shown in fig. 1, a combined positioning device for the interface position of an external pipeline of an engine is designed according to six pipelines connected with a flying accessory case of a host machine of a certain type of aircraft engine, and comprises a supporting seat 1, a positioning rod 9, a mounting seat 10, a plug pin 3 and a positioning pin 4;
the positioning rod 9 and the mounting seat 10 are connected together through a bolt to form a positioning seat;
the positioning seat is provided with a bolt 3 and a positioning pin 4 to form a positioning arm;
the structure of the positioning arm is used for positioning by utilizing the coordinate size according to the spatial position of the pipe joint to be measured, and the pipe joint is aligned by the bolt 3 and the positioning pin 4 so as to be connected and fixed with the pipe joint; the pipeline of the corresponding accessory is also pre-positioned by adopting the combined positioning device.
The positioning seats comprise a positioning seat a2, a positioning seat b5, a positioning seat c6, a positioning seat d7 and a positioning seat e 8;
the supporting seat 1 is circular, and the upper end surface of the supporting seat is provided with a positioning seat a2, a positioning seat b5, a positioning seat c6 and a positioning seat d 7;
the positioning seat a2 is vertically arranged with the supporting seat 1;
the positioning seat b5 and the positioning seat c6 are perpendicular to the positioning seat a 2;
the positioning seat d7 is parallel to the positioning seat b5 and is perpendicular to the positioning seat a2 and the positioning seat c 6;
the positioning seat e8 is arranged on the positioning rod of the positioning seat c 6;
each positioning seat is provided with a positioning pin 4 connected with the pipeline connector, and the positioning pins 4 are connected with the bolts 3 and can move back and forth.
The bolts 3 and the positioning pins 4 on the positioning seat a2 are symmetrically arranged and are provided with two groups;
and a group of bolts 3 and positioning pins 4 on the positioning seat b5, the positioning seat c6, the positioning seat d7 and the positioning seat e8 are symmetrically arranged.
Is applied to a positioning method of a combined positioning device of an external pipeline interface position of an engine,
the method comprises the following steps: the method comprises the following steps that six pipelines connected with a host and a flying attachment casing of a certain type of aeroengine are respectively a conduit a, a conduit b, a conduit c, a conduit d, a conduit e and a conduit f, and according to the spatial position of a pipeline interface, the coordinate and vector table of the outlet position of an engine pipeline joint connected with the flying attachment casing are determined firstly;
step two: selecting a mounting interface of a connecting end of the attachment sending casing and the attachment flying casing as a mounting position of the combined positioning device, and designing a supporting seat structure; designing the structures and the sizes of a positioning seat a2, a positioning seat b5, a positioning seat c6, a positioning seat d7 and a positioning seat e8 in the pipeline interface position combined positioning device according to a coordinate and vector table, and finishing the structural design of the pipeline interface position combined positioning device;
step three: completing the manufacturing work of the device according to the design drawing of the combined positioning device;
step four: assembling external pipelines of an aircraft engine, and mounting a pipeline combined positioning device on a mounting interface of an aircraft engine case (at the connecting end of the aircraft engine case) before mounting six guide pipes connected with the aircraft engine case, and fixing the pipeline combined positioning device by using a hoop;
step five: the two bolts 3 of the positioning seat a2 on the combined positioning device are respectively pulled out backwards, so that the length of the positioning pin 4 is shortened at the same time;
step six: firstly, respectively connecting a pipeline to be installed with a conduit a and a conduit b in a pipeline on an engine according to an assembling position, then respectively aligning the pipeline to be installed with the positions of the interfaces of two positioning pins 4 on a positioning seat a2, and correcting the pipeline if deviation exists;
step seven: aligning two positioning pins 4 on the combined positioning device with the pipe orifices of the guide pipes respectively, and then shifting two bolts 3 of the positioning seat a2 forwards, wherein the pin heads of the positioning pins 4 extend into the pipe orifices of the guide pipes a and b to fix the guide pipes a and b;
step eight: operating according to the contents of the fifth step and the seventh step, and respectively aligning and installing the guide pipe c, the guide pipe d, the guide pipe e and the guide pipe f with positioning pins of a positioning seat b5, a positioning seat c6, a positioning seat d7 and a positioning seat e8 on the combined positioning device and fixing the positioning pins;
step nine: the plug pins 3 of the positioning seat a2, the positioning seat b5, the positioning seat c6, the positioning seat d7 and the positioning seat e8 are respectively pulled out and inserted to check the accuracy of the position of the catheter and submit to the recheck confirmation of an inspector;
step ten, pulling out all the pins 3 of the combined positioning device backwards to separate the positioning pins 4 from the front part of the guide pipe;
step eleven: separating a clamp on the lower supporting seat 1, and detaching the combined positioning device;
step twelve: and finishing the assembly of six guide pipes connected with the engine main unit and the flying accessory casing.

Claims (4)

1. The utility model provides an engine external pipeline interface position combination positioner which characterized in that: comprises a supporting seat, a positioning rod, a mounting seat, a bolt and a positioning pin;
the positioning rod and the mounting seat are connected together through a bolt to form a positioning seat;
the positioning seat is provided with a bolt and a positioning pin to form a positioning arm;
the structure of the positioning arm is used for positioning by utilizing the coordinate size according to the spatial position of the pipe joint to be measured, and the pipe joint is aligned by the bolt and the positioning pin so as to be connected and fixed with the pipe joint; the pipeline of the corresponding accessory is also pre-positioned by adopting the combined positioning device.
2. The combined positioning device for the external pipeline interface position of the engine as claimed in claim 1, wherein: and each positioning seat is provided with a positioning pin connected with the pipeline connector, and the positioning pins are connected with the bolts and can move back and forth.
3. The combined positioning device for the external pipeline interface position of the engine as claimed in claim 1, wherein: the bolts and the positioning pins on the positioning seats are symmetrically arranged, and the number of the bolts and the positioning pins is set according to the number of the guide pipes on each pipeline.
4. The positioning method applied to the positioning device for the external pipeline interface position combination of the engine as claimed in claim 1, wherein:
the method comprises the following steps: according to the spatial position of the pipeline interface, firstly determining the coordinate and vector table of the position of an outlet of an engine pipeline joint connected with the flying attachment casing;
step two: selecting an installation interface of the pipeline connecting end as an installation position of the combined positioning device, and designing a supporting seat structure; designing the structure and the size of a positioning seat in the pipeline interface position combined positioning device according to the coordinate and the vector table to complete the structural design of the pipeline interface position combined positioning device;
step three: completing the manufacturing work of the device according to the design drawing of the combined positioning device;
step four: assembling external pipelines of an aircraft engine, mounting a pipeline combined positioning device on a mounting interface of an attached casing before mounting the pipelines, and fixing the pipeline combined positioning device by using a hoop;
step five: the bolts of the positioning seats on the combined positioning device are respectively pulled out backwards, so that the lengths of the two positioning pins are simultaneously shortened;
step six: firstly, respectively connecting pipelines to be installed with a guide pipe on an engine according to the assembling position, then respectively aligning the pipelines with the positioning pin interface position on the positioning seat, and correcting the pipelines if deviation exists;
step seven: aligning the positioning pins on the combined positioning device with the pipe orifices of the guide pipes respectively, and then fluctuating the bolts of the positioning seats forwards, namely, the pin heads of the positioning pins extend into the pipe orifices of the guide pipes to fix the guide pipes;
step eight: operating according to the fifth step and the seventh step, and respectively aligning and installing the residual guide pipe and the positioning pin of the residual positioning seat arranged on the combined positioning device and fixing;
step nine: respectively pulling out and inserting the inserted pins of all the positioning seats to check the accuracy of the position of the conduit and submit the position to an inspector for rechecking and confirmation;
step ten, pulling out all the pins of the combined positioning device backwards to separate the positioning pin from the front part of the guide pipe;
step eleven: and separating the clamp on the lower supporting seat and detaching the combined positioning device.
CN202011298232.1A 2020-11-19 2020-11-19 Combined positioning device and positioning method for external pipeline interface position of engine Active CN112621203B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011298232.1A CN112621203B (en) 2020-11-19 2020-11-19 Combined positioning device and positioning method for external pipeline interface position of engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011298232.1A CN112621203B (en) 2020-11-19 2020-11-19 Combined positioning device and positioning method for external pipeline interface position of engine

Publications (2)

Publication Number Publication Date
CN112621203A true CN112621203A (en) 2021-04-09
CN112621203B CN112621203B (en) 2023-04-14

Family

ID=75303376

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011298232.1A Active CN112621203B (en) 2020-11-19 2020-11-19 Combined positioning device and positioning method for external pipeline interface position of engine

Country Status (1)

Country Link
CN (1) CN112621203B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200975873Y (en) * 2006-09-22 2007-11-14 比亚迪股份有限公司 Engine bracket detecting table
CN202015940U (en) * 2010-12-08 2011-10-26 杭州奥加汽车零部件制造有限公司 Integral correction assembly mould base of oil pipe
CN205879055U (en) * 2016-08-08 2017-01-11 力帆实业(集团)股份有限公司 Connecting pipe quality testing frock under motorcycle frame
CN207662290U (en) * 2017-12-06 2018-07-27 沈阳兴华航空电器有限责任公司 A kind of engine tube joint detector
CN207662317U (en) * 2017-12-06 2018-07-27 沈阳兴华航空电器有限责任公司 A kind of engine elbow tester

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200975873Y (en) * 2006-09-22 2007-11-14 比亚迪股份有限公司 Engine bracket detecting table
CN202015940U (en) * 2010-12-08 2011-10-26 杭州奥加汽车零部件制造有限公司 Integral correction assembly mould base of oil pipe
CN205879055U (en) * 2016-08-08 2017-01-11 力帆实业(集团)股份有限公司 Connecting pipe quality testing frock under motorcycle frame
CN207662290U (en) * 2017-12-06 2018-07-27 沈阳兴华航空电器有限责任公司 A kind of engine tube joint detector
CN207662317U (en) * 2017-12-06 2018-07-27 沈阳兴华航空电器有限责任公司 A kind of engine elbow tester

Also Published As

Publication number Publication date
CN112621203B (en) 2023-04-14

Similar Documents

Publication Publication Date Title
CN110539162B (en) Digital sampling manufacturing method for conduit based on actual assembly space on arrow
CN112395708B (en) Pipeline digital reconstruction method based on accurate measurement
CN112621203B (en) Combined positioning device and positioning method for external pipeline interface position of engine
CN108581395B (en) Process method for assembling and welding diffuser pipe in marine diesel engine
CN206114299U (en) Exhaust interfacing apparatus and use device's engine test bed frame
CN101543702A (en) Orientation installation fixture for drowned pulse valve of pocket type dust collector
CN115415786A (en) Man-machine cooperation turbofan engine core machine assembling system and assembling method
CN101704167B (en) Manufacturing method of gas assembly and positioning fixture thereof
CN112178298B (en) Preparation method of rocket engine pipeline, rocket engine pipeline and engine
CN115415785A (en) Assembling system and assembling method for core machine of turbofan engine
CN215296641U (en) Detachable aviation pipeline connecting piece flexural vibration coupling test device
CN206305692U (en) A kind of device for installing muffler pipe
CN108712941B (en) Method for welding steel pipe and joint of steel pipe structural member
CN114061847B (en) Pressure kerosene chalk seal test method for bleed air conduit assembly
CN109590640A (en) Automobile component welding fixture location calibration device
CN219852987U (en) Pipeline engineering is to mouthful device
CN202101812U (en) Static balance test clamp
CN219102280U (en) Injection cylinder oil inlet pipeline of injection molding machine
CN212605891U (en) Convenient clamp for positioning fuel conduit at involution position of fuselage and wing
CN219152926U (en) Mistake proofing end effector, manipulator and robot
CN218397830U (en) Accurate positioning tool for free end of guide pipe
CN220170443U (en) Reliability test device for through-wall joint of aviation hydraulic pipeline
CN202240345U (en) Welding positioner for pairing connecting pipes
CN204321490U (en) Adapter welding equipment positioning fixture
CN218413809U (en) Engine installation model device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant