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CN107521706A - Engine aids in erection joint - Google Patents

Engine aids in erection joint Download PDF

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Publication number
CN107521706A
CN107521706A CN201710632244.5A CN201710632244A CN107521706A CN 107521706 A CN107521706 A CN 107521706A CN 201710632244 A CN201710632244 A CN 201710632244A CN 107521706 A CN107521706 A CN 107521706A
Authority
CN
China
Prior art keywords
auricle
mutually fixed
domestic
bushing
erection joint
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.)
Pending
Application number
CN201710632244.5A
Other languages
Chinese (zh)
Inventor
寇延清
孟兆康
张淑焕
陈西锋
裴文斌
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.)
Xian Aircraft Design and Research Institute of AVIC
Original Assignee
Xian Aircraft Design and Research Institute of AVIC
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 Xian Aircraft Design and Research Institute of AVIC filed Critical Xian Aircraft Design and Research Institute of AVIC
Priority to CN201710632244.5A priority Critical patent/CN107521706A/en
Publication of CN107521706A publication Critical patent/CN107521706A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64DEQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D27/00Arrangement or mounting of power plants in aircraft; Aircraft characterised by the type or position of power plants
    • B64D27/40Arrangements for mounting power plants in aircraft

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Connection Of Plates (AREA)

Abstract

The present invention relates to technical field of aircraft structure design,Specifically provide a kind of engine auxiliary erection joint,Including top connection,Lower contact and shear pin,Top connection top is epiplastron,Bottom is two upper auricles,The first edge strip is provided between upper auricle,Outer wall of the first edge strip both ends respectively with two upper auricles is mutually fixed,The outside of upper auricle is provided with and first abdomen rib of vertical arrangement mutually fixed with epiplastron,Lower contact top is two lower auricles,Bottom is bottom web,The second edge strip is provided between lower auricle,Second edge strip both ends are mutually fixed with the outer wall of two lower auricles respectively,The outside of lower auricle is provided with and second abdomen rib of vertical arrangement mutually fixed with bottom web,Bottom web is mutually fixed with engine,Shear pin runs through upper auricle and lower auricle,For upper auricle and lower auricle is fastened to each other,Shear pin includes domestic,The export trade that is set on domestic and the outer pin nut for being screwed onto export trade one end,Outer pin nut is also connected with domestic one end.

Description

Engine aids in erection joint
Technical field
The present invention relates to technical field of aircraft structure design, the more particularly to erection joint of engine auxiliary.
Background technology
Engine auxiliary erection joint is the main attachment structure of aircraft engine installation, and the joint bears engine load Complicated, local environment temperature height, and to solve narrow and small engine-related systems installing space, structure service life and reliability and want Ask the problems such as high.Country's structural research is less at present, and existing structure is also mostly single structure, and such structure design is simple, but When once junction portion, structure is damaged, remaining structure can not continue to carry, thus not possess structural failure security, structure Reliability, security are relatively low.
The content of the invention
To overcome at least one defect existing for above-mentioned prior art, the invention provides a kind of auxiliary installation of engine to connect Head, including:
Top connection, its top are epiplastron, and bottom is two upper auricles, epiplastron and are connected with hanging box section, upper auricle Between be provided with the first edge strip, outer wall of the first edge strip both ends respectively with two upper auricles is mutually fixed, the outside of upper auricle be provided with Epiplastron is mutually fixed and the first abdomen rib of vertical arrangement;
Lower contact, its top are two lower auricles, and bottom is bottom web, and the second edge strip, the second edge are provided between lower auricle Bar both ends are mutually fixed with the outer wall of two lower auricles respectively, and the outside of lower auricle is provided with mutually fixed with bottom web and vertical arrangement Second abdomen rib, bottom web are mutually fixed with engine;
Shear pin, it runs through upper auricle and lower auricle, and for upper auricle and lower auricle is fastened to each other, shear pin includes interior The export trade that sell, is set on domestic and the outer pin nut for being screwed onto export trade one end, outer pin nut are also connected with domestic one end Connect.
Preferably, one end of export trade is provided with keyway, and the end of export trade is arranged with toothed washer, and toothed washer inner ring is provided with The packing ring tongue being engaged with keyway, toothed washer it is outer be equipped with it is multiple can bending tooth, on the tooth and outer pin nut outer shroud Teeth groove be engaged, outer pin nut side is coaxially provided with interior pin nut, interior pin nut and domestic one end bolt, domestic spiral shell Boss is circumferentially evenly equipped with female end face, is provided with fixing hole in domestic one end side wall, safety plug through boss gap and with fixation Hole is mutually fixed, and is fixed domestic and interior pin nut with this.
Preferably, bottom web is mutually fixed by bolt with engine, and bottom web both sides are provided with globular lining, and globe lining is arranged Put between bolt and bottom web;
Globular lining includes upper bushing and lower bushing, and upper bushing is in annular, and its bottom end face is spherical in shape, and upper bushing is set End face and upper bushing bottom end face are adapted at the top of lower bushing top, lower bushing, the bolt-through upper bushing and lower bushing.
Preferably, upper auricle is monaural structure, and lower auricle is ears structure, and upper auricle and lower auricle match.
Preferably, the earhole axis of two of top connection upper auricles is parallel to each other.
Preferably, the earhole both sides of upper auricle are equipped with and first side rib of vertical arrangement mutually fixed with epiplastron.
Engine provided by the invention aids in erection joint, concentrates connected mode using upper and lower joint, can realize transmission The function of engine load and other inertial loads, posting efficiency is higher, and shearing pin connection using fail safety can be real Now emergent dialysis function.
Brief description of the drawings
Fig. 1 is the structural representation of engine auxiliary erection joint;
Fig. 2 is the structural representation of the top connection in engine auxiliary erection joint;
Fig. 3 is the structural representation of the lower contact in engine auxiliary erection joint;
Fig. 4 is the structural representation of the shear pin in engine auxiliary erection joint;
Fig. 5 is the structural representation of the globular lining in engine auxiliary erection joint;
Fig. 6 is the assembling schematic diagram of engine auxiliary erection joint.
Reference:Top connection 1, epiplastron 11, upper auricle 12, the first edge strip 13, the first abdomen rib 14, the first side rib 15;
Lower contact 2, lower auricle 21, bottom web 22, the second edge strip 23, the second abdomen rib 24,
Shear pin 3, domestic 31, export trade 32, keyway 321, outer pin nut 33, toothed washer 34, interior pin nut 35, safety plug 36;
Globular lining 4, upper bushing 41, lower bushing 42;
Hang box section 5, engine 6.
Embodiment
To make the purpose, technical scheme and advantage that the present invention is implemented clearer, below in conjunction with the embodiment of the present invention Accompanying drawing, the technical scheme in the embodiment of the present invention is further described in more detail.
It should be noted that:The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to for explaining this hair It is bright, and be not considered as limiting the invention.In the accompanying drawings, same or similar label represents same or like from beginning to end Element or with same or like function element.Described embodiment is part of the embodiment of the present invention, rather than entirely The embodiment in portion, in the case where not conflicting, the feature in embodiment and embodiment in the application can be mutually combined.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made Embodiment, belong to the scope of protection of the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear", The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " is based on accompanying drawing institutes The orientation or position relationship shown, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply meaning Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that the present invention be protected Protect the limitation of scope.
The invention provides a kind of engine to aid in erection joint, as shown in figure 1, engine auxiliary erection joint includes Top connection 1, lower contact 2 and shear pin 3.
As shown in Fig. 2 the top of top connection 1 is epiplastron 11, bottom is two upper auricles 12, epiplastron 11 and with hanging box Section 5 is connected, and the first edge strip 13 is provided between upper auricle 12, and the both ends of the first edge strip 13 are mutually solid with the outer wall of two upper auricles 12 respectively Fixed, the outside of upper auricle 12 is provided with to be fixed and the first abdomen rib 14 of vertical arrangement with the phase of epiplastron 11;In the present embodiment, above connect The earhole axis of the upper auricle 12 of two of first 1 is parallel to each other, and the earhole both sides of upper auricle 12 are equipped with and consolidated with the phase of epiplastron 11 First side rib 15 of fixed and vertical arrangement.
As shown in figure 3, the top of lower contact 2 is two lower auricles 21, bottom is bottom web 22, in the present embodiment, upper auricle 12 be monaural structure, and lower auricle 21 is ears structure, and upper auricle 12 and lower auricle 21 match.Second is provided between lower auricle 21 Edge strip 23, outer wall of the both ends of the second edge strip 23 respectively with two lower auricles 21 are mutually fixed, and the outside of lower auricle 21 is provided with and lower abdomen The phase of plate 22 is fixed and the second abdomen rib 24 of vertical arrangement, bottom web 22 are mutually fixed with engine 6;In the present embodiment, bottom web 22 are fixed by bolt and the phase of engine 6, and the both sides of bottom web 22 are provided with globular lining 4, and globular lining 4 is arranged on bolt and lower abdomen Between plate 22, as shown in figure 5, globular lining 4 includes upper bushing 41 and lower bushing 42, upper bushing 41 is in annular, its bottom end Face is spherical in shape, and upper bushing 41 is arranged on the lower top of bushing 42, and the lower top end face of bushing 42 and the bottom end face of upper bushing 41 are adapted, The bolt-through upper bushing 41 and lower bushing 42, globular lining 4 are used for the setting angle of adjustment bolt, ensure bolt head not Load by bending, that is, ensure that bolt end surface is parallel with nut end face, eliminates and is cut because of what mismachining tolerance or alignment error were brought Shear force.
As shown in figure 4, shear pin 3 runs through upper auricle 12 and lower auricle 21, for upper auricle 12 and lower auricle 21 is mutual Fixed, shear pin 3 includes the domestic 31, export trade 32 being set on domestic 31 and the outer pin nut for being screwed onto the one end of export trade 32 33, the one end of outer pin nut 33 also with domestic 31 is connected, it is preferred that domestic 31 other end and the other end of export trade 32 claim Hexagon and it is connected;In the present embodiment, one end of export trade 32 is provided with keyway 321, and the end of export trade 32 is arranged with toothed washer 34, the packing ring tongue that the inner ring of toothed washer 34 is provided with and keyway 321 is engaged, tooth is made by the cooperation of packing ring tongue and keyway 321 Shape packing ring 34 is circumferentially fixed, toothed washer 34 it is outer be equipped with it is multiple can bending tooth, on the tooth and the outer outer shroud of pin nut 33 Teeth groove be engaged, make outer pin nut 33 circumferentially fixed by the cooperation of tooth and teeth groove, the outer side of pin nut 33 is coaxially provided with Interior pin nut 35, interior pin nut 35 and domestic 31 one end bolt, are circumferentially evenly equipped with boss on the interior end face of pin nut 35, domestic It is provided with fixing hole in 31 one end side wall, safety plug 36 is mutually fixed through boss gap and with fixing hole, with this by domestic 31 He Interior pin nut 35 is fixed.It is followed successively by from the inside to the outside in export trade 32:Toothed washer 34, outer pin nut 33, interior pin nut 35, safety plug 36。
As shown in fig. 6, engine auxiliary erection joint mobilizes owner positioned at the middle part lower section of hanging box section 5 for coordinating Engine 6 is suspended on below wing by erection joint, and wherein top connection 1 is mutually fixed with hanging box section 5, lower contact 2 and engine 6 It is mutually fixed.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any Those familiar with the art the invention discloses technical scope in, the change or replacement that can readily occur in, all should It is included within the scope of the present invention.Therefore, protection scope of the present invention should using the scope of the claims as It is accurate.

Claims (6)

1. a kind of engine aids in erection joint, it is characterised in that including:
Top connection (1), its top are epiplastron (11), and bottom is two upper auricles (12), epiplastron (11) and with hanging box section (5) connect, the first edge strip (13) is provided between upper auricle (12), auricle (12) is gone up in the first edge strip (13) both ends with two respectively Outer wall is mutually fixed, and the outside of upper auricle (12) is provided with and first abdomen rib (14) of vertical arrangement mutually fixed with epiplastron (11);
Lower contact (2), its top are two lower auricles (21), and bottom is bottom web (22), and second is provided between lower auricle (21) Edge strip (23), outer wall of the second edge strip (23) both ends respectively with two lower auricles (21) are mutually fixed, set on the outside of lower auricle (21) There are and second abdomen rib (24) of vertical arrangement, bottom web (22) mutually fixed with bottom web (22) mutually to be fixed with engine (6);
Shear pin (3), it runs through upper auricle (12) and lower auricle (21), for upper auricle (12) and lower auricle (21) is solid mutually Fixed, shear pin (3) includes domestic (31), the export trade (32) being set on domestic (31) and is screwed onto the outer of export trade (32) one end Pin nut (33), the one end of outer pin nut (33) also with domestic (31) are connected.
2. engine according to claim 1 aids in erection joint, it is characterised in that one end of export trade (32) is provided with keyway (321), the end of export trade (32) is arranged with toothed washer (34), and toothed washer (34) inner ring is provided with and keyway (321) matches The packing ring tongue of conjunction, toothed washer (34) it is outer be equipped with it is multiple can bending tooth, on the tooth and outer pin nut (33) outer shroud Teeth groove is engaged, and outer pin nut (33) side is coaxially provided with interior pin nut (35), and the one of interior pin nut (35) and domestic (31) Bolt is held, boss is circumferentially evenly equipped with interior pin nut (35) end face, fixing hole is provided with one end side wall of domestic (31), is insured Pin (36) is mutually fixed through boss gap and with fixing hole, with this that domestic (31) and interior pin nut (35) are fixed.
3. engine according to claim 1 aids in erection joint, it is characterised in that bottom web (22) passes through bolt and hair Motivation (6) is mutually fixed, and bottom web (22) both sides are provided with globular lining (4), and globular lining (4) is arranged on bolt and bottom web (22) Between;
Globular lining (4) includes upper bushing (41) and lower bushing (42), and upper bushing (41) is in annular, and its bottom end face is in ball Shape, upper bushing (41) are arranged on lower bushing (42) top, and end face is mutually fitted with upper bushing (41) bottom end face at the top of lower bushing (42) Match somebody with somebody, the bolt-through upper bushing (41) and lower bushing (42).
4. engine according to claim 1 aids in erection joint, it is characterised in that upper auricle (12) is monaural structure, Lower auricle (21) is ears structure, and upper auricle (12) and lower auricle (21) match.
5. engine according to claim 1 aids in erection joint, it is characterised in that the upper auricle of two of top connection (1) (12) earhole axis is parallel to each other.
6. engine according to claim 1 aids in erection joint, it is characterised in that the earhole both sides of upper auricle (12) are equal Provided with mutually fixed and the first side rib (15) of vertical arrangement with epiplastron (11).
CN201710632244.5A 2017-07-28 2017-07-28 Engine aids in erection joint Pending CN107521706A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710632244.5A CN107521706A (en) 2017-07-28 2017-07-28 Engine aids in erection joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710632244.5A CN107521706A (en) 2017-07-28 2017-07-28 Engine aids in erection joint

Publications (1)

Publication Number Publication Date
CN107521706A true CN107521706A (en) 2017-12-29

Family

ID=60680355

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710632244.5A Pending CN107521706A (en) 2017-07-28 2017-07-28 Engine aids in erection joint

Country Status (1)

Country Link
CN (1) CN107521706A (en)

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040251381A1 (en) * 2003-05-27 2004-12-16 Snecma Moteurs Front fastening device for aircraft engine
US20050269445A1 (en) * 2004-03-08 2005-12-08 Snecma Moteurs Mounting of engine onto an aircraft structure
CN101282877A (en) * 2005-10-12 2008-10-08 法国空中客车公司 Nut system and aircraft engine mounting structure comprising same
CN201368109Y (en) * 2009-03-16 2009-12-23 无锡创明传动工程有限公司 Bolt washer combination structure used for transmitting torque with coating
FR2955632A1 (en) * 2010-01-28 2011-07-29 Airbus Operations Sas Tension bolt for aircraft engine attaching device, has pin inserted in gap in radial hole of screw, and elliptical threaded crown extended by notched crown whose inner diameter is larger than base diameter of thread of nut
CN202579570U (en) * 2012-05-10 2012-12-05 河南航天精工制造有限公司 Hexagonal slotting nut and threaded connection structure provided with same
CN103032434A (en) * 2012-11-26 2013-04-10 中国商用飞机有限责任公司 Safety pin for breakage
CN202926832U (en) * 2012-11-21 2013-05-08 西安飞机工业(集团)有限责任公司 Fastener
CN103101628A (en) * 2013-02-06 2013-05-15 中国商用飞机有限责任公司 Front mounting joint integrated with airplane hanging
US20150167726A1 (en) * 2013-12-12 2015-06-18 Airbus Operations (Sas) Assembly comprising an articulation spindle supported by a clevis and immobilized in translation by a blocking device integrating a double anti-rotation system
CN105545921A (en) * 2014-10-28 2016-05-04 中国航空工业集团公司西安飞机设计研究所 Coaxial bolt set with gasket for stopping
CN105570256A (en) * 2014-10-11 2016-05-11 中国航空工业集团公司西安飞机设计研究所 Adjustable interference fit connecting piece

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040251381A1 (en) * 2003-05-27 2004-12-16 Snecma Moteurs Front fastening device for aircraft engine
US20050269445A1 (en) * 2004-03-08 2005-12-08 Snecma Moteurs Mounting of engine onto an aircraft structure
CN101282877A (en) * 2005-10-12 2008-10-08 法国空中客车公司 Nut system and aircraft engine mounting structure comprising same
CN201368109Y (en) * 2009-03-16 2009-12-23 无锡创明传动工程有限公司 Bolt washer combination structure used for transmitting torque with coating
FR2955632A1 (en) * 2010-01-28 2011-07-29 Airbus Operations Sas Tension bolt for aircraft engine attaching device, has pin inserted in gap in radial hole of screw, and elliptical threaded crown extended by notched crown whose inner diameter is larger than base diameter of thread of nut
CN202579570U (en) * 2012-05-10 2012-12-05 河南航天精工制造有限公司 Hexagonal slotting nut and threaded connection structure provided with same
CN202926832U (en) * 2012-11-21 2013-05-08 西安飞机工业(集团)有限责任公司 Fastener
CN103032434A (en) * 2012-11-26 2013-04-10 中国商用飞机有限责任公司 Safety pin for breakage
CN103101628A (en) * 2013-02-06 2013-05-15 中国商用飞机有限责任公司 Front mounting joint integrated with airplane hanging
US20150167726A1 (en) * 2013-12-12 2015-06-18 Airbus Operations (Sas) Assembly comprising an articulation spindle supported by a clevis and immobilized in translation by a blocking device integrating a double anti-rotation system
CN105570256A (en) * 2014-10-11 2016-05-11 中国航空工业集团公司西安飞机设计研究所 Adjustable interference fit connecting piece
CN105545921A (en) * 2014-10-28 2016-05-04 中国航空工业集团公司西安飞机设计研究所 Coaxial bolt set with gasket for stopping

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Application publication date: 20171229