CN105479391A - In-hole nut force-limiting tightening adapter - Google Patents
In-hole nut force-limiting tightening adapter Download PDFInfo
- Publication number
- CN105479391A CN105479391A CN201410539517.8A CN201410539517A CN105479391A CN 105479391 A CN105479391 A CN 105479391A CN 201410539517 A CN201410539517 A CN 201410539517A CN 105479391 A CN105479391 A CN 105479391A
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- torque arm
- connecting rod
- adapter
- head
- leading portion
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Abstract
The invention provides an in-hole nut force-limiting tightening adapter. The in-hole nut force-limiting tightening adapter is characterized by comprising a wrench torsion head, a connecting rod, a flexible suspended stayed cable assembly, a rear torsion arm section, a spring, a pin, a front torsion arm section, a wrench head and a D-end bolt; the rear torsion arm section is connected with the front torsion arm section by means of the pin and the spring is mounted on the connected torsion arm, the rear torsion arm section is welded with the connecting rod, while the front torsion arm section is welded with the wrench head, and the connecting rod is welded with the wrench torsion head; the flexible suspended stayed cable assembly penetrates through a side surface of the connecting rod, and two ends of the flexible suspended stayed cable assembly are connected with the connecting rod and the front torsion arm section, respectively. The in-hole nut force-limiting tightening adapter has the following advantages that the in-hole nut force-limiting tightening adapter based on such technologies as coaxial transformation, the torsion head arm being variable in radial size, the horizontal elastic limited straight extending, and reeling and unreeling of the flexible suspended stayed cable solves the problem of an assembly bottleneck of parts after design; high cost and risk of developing an automatic manipulator are avoided; and subsequent dynamic balance and smooth transmission assembly work and development work of other series of parts are guaranteed.
Description
Technical field
The present invention relates to nut limiter device for screwing up field, particularly a kind of hole inner nut limiter tightens adapter.
Background technology
Assembling between each assembly of fan propeller adopts bolt, nut to connect mostly, and nut is generally in unlimited space and can directly tightens, even if directly can not use torque wrench, also can be realized by conventional adapter.For the situation that cavity space is enough large, also can limiter be tightened by different adapter.Nut limiter adapter is the common tool of fastening nut in Automatic manual transmission process, general coordinate with torque spanner to calibrate use afterwards, reach for torque spanner be used alone the nut that cannot tighten according to the rules moment numerical value carry out the object of tightening.Usual nut limiter is tightened adapter and is made up of three parts: nut is turned one's head; Connecting rod, shaped segments is different; Moment of torsion plank joint, the adapter that the composition that links together is fixing.
Along with the progress of technology, change fan leaf dish and the independent design of blade, optimal design becomes fan blisk, and blade is cast and is solidificated in Ye Panshang, between fan blisk at different levels and blisk and rear shaft neck be connected by bolt, nut.Nut is generally positioned at chamber or aperture, brings new difficulty thus to the assembling of spare part.Common adapter cannot be put to good use.Not yet find to pass in and out aperture at present, nut turns one's head connecting rod radially variable and nut location radius, treat fastening nut distance between center line Central of the parts line, the nut limiter being greater than aperture radius tightens adapter.
Summary of the invention
The object of the invention is can pass in and out aperture for solving and can tighten a hole inner nut difficult problem, spy provides a kind of hole inner nut limiter and tightens adapter.
The invention provides a kind of hole inner nut limiter and tighten adapter, it is characterized in that: described hole inner nut limiter tightens adapter, comprises spanner and turns one's head 1, connecting rod 2, flexible hanging draws cable assembly 3, torque arm back segment 4, spring 5, pin 6, torque arm leading portion 7, driving end 8, D head bolt 9;
Torque arm back segment 4 is connected with torque arm leading portion 7 pin 6, and mounting spring 5.Torque arm back segment 4 and connecting rod 2 weld together, and torque arm leading portion 7 and driving end 8 weld together, and connecting rod 2 and spanner are turned one's head and 1 to be welded together, and the flexible outstanding cable assembly 3 that draws is through connecting rod 2 side, and two ends connect connecting rod 2 and torque arm leading portion 7 respectively.
The attaching nut of described fan blisk and fan rear shaft neck assembly, is positioned at aperture by totally 24, and treat that the position radius of jack panel is R112.5, aperture radius is R35.One section of nut torque arm is the structure of two folding activities, torque arm leading portion 7 can only at a rotation with in surface, in the plane perpendicular with rotational plane, both sides are by the spacing stop of torque arm back segment, namely ensure torque arm leading portion at ordinary times or work time rely on spring force can only open up the directly level of stretching out into, during turnover part aperture, pull-up is outstandingly drawn suspension cable radial direction to narrow into vertically, is taken out limiter and tighten adapter.Reach flexible turnover, flick exhibition arm, moment of torsion plank joint is designed to coaxial with cursor driving end, is convenient to calibrate qualified rear use.The size of each part is according to theory of mechanics of materials design, and intensity meets antitorque, bending resistance, anti-shearing force and distortion licensing requirement, selects suitable material so that processing and manufacturing.
Described spring 5 is torsion spring.
One section of the connecting rod of being turned one's head by nut is mobilizable two foldings, variable dimension, with the revolving structure of Horizontal limiting and lateral Displacement, utilize outstanding draw steel to lock to realize return turn up and can pass in and out aperture, flick the straight contact target nut of exhibition by spring, and together use to reach with torque spanner and limiter is carried out to nut tighten.
Rotatable arms can only at a rotation with in surface, the spacing stop in both sides in the plane perpendicular with rotational plane, namely ensure cursor at ordinary times or work time rely on spring force can only open up and directly stretch out, can ignore relative to the deflection of moment of torsion plank joint after stretching, during turnover part aperture, pull-up outstanding is drawn suspension cable radial direction to narrow, is taken out limiter and tighten adapter.Reach flexible turnover, flick exhibition arm, moment of torsion plank joint is coaxial with cursor driving end.Tightening of hole inner nut is axially transferred to coaxial position outside hole, realizes coaxially transforming, and then realize screw-down torque equivalent conversion in error allowed band, reach the object of nut being carried out to limiter.
Advantage of the present invention:
Hole of the present invention inner nut limiter tightens adapter, based on coaxial conversion, to turn one's head arm variable dimension, the spacing exhibition of horizontal resiliency is straight, flexible outstanding hole inner nut limiter of drawing steel to lock folding and unfolding technology tightens adapter, adapt to Advanced Fan blisk from now on manufacture and design after assembling needs, be applied to the assembling of fan, solve the assembling bottleneck problem after Element Design.Instead of expensive expense and the risk of development automatic mechanical hand.Achieve pioneering fan blisk assembling, solve technical bottleneck.Ensure that carrying out smoothly of the serial parts development work of follow-up dynamic balancing and transmission assembly work and other.
Accompanying drawing explanation
Below in conjunction with drawings and the embodiments, the present invention is further detailed explanation:
Fig. 1 is that hole inner nut limiter tightens adapter schematic diagram;
Fig. 2 be hole inner nut limiter tighten adapter contact treat fastening nut working state schematic representation
Fig. 3 is torque arm back segment and torque arm leading portion part schematic diagram.
Detailed description of the invention
Embodiment 1
Present embodiments provide a kind of hole inner nut limiter and tighten adapter, it is characterized in that: described hole inner nut limiter tightens adapter, comprises spanner and turns one's head 1, connecting rod 2, flexible hanging draws cable assembly 3, torque arm back segment 4, spring 5, pin 6, torque arm leading portion 7, driving end 8, D head bolt 9;
Torque arm back segment 4 is connected with torque arm leading portion 7 pin 6, and mounting spring 5.Torque arm back segment 4 and connecting rod 2 weld together, and torque arm leading portion 7 and driving end 8 weld together, and connecting rod 2 and spanner are turned one's head and 1 to be welded together, and the flexible outstanding cable assembly 3 that draws is through connecting rod 2 side, and two ends connect connecting rod 2 and torque arm leading portion 7 respectively.
The attaching nut of described fan blisk and fan rear shaft neck assembly, is positioned at aperture by totally 24, and treat that the position radius of jack panel is R112.5, aperture radius is R35.One section of nut torque arm is the structure of two folding activities, torque arm leading portion 7 can only at a rotation with in surface, in the plane perpendicular with rotational plane, both sides are by the spacing stop of torque arm back segment, namely ensure torque arm leading portion at ordinary times or work time rely on spring force can only open up the directly level of stretching out into, during turnover part aperture, pull-up is outstandingly drawn suspension cable radial direction to narrow into vertically, is taken out limiter and tighten adapter.Reach flexible turnover, flick exhibition arm, moment of torsion plank joint is designed to coaxial with cursor driving end, is convenient to calibrate qualified rear use.The size of each part is according to theory of mechanics of materials design, and intensity meets antitorque, bending resistance, anti-shearing force and distortion licensing requirement, selects suitable material so that processing and manufacturing.
One section of the connecting rod of being turned one's head by nut is mobilizable two foldings, variable dimension, with the revolving structure of Horizontal limiting and lateral Displacement, utilize outstanding draw steel to lock to realize return turn up and can pass in and out aperture, flick the straight contact target nut of exhibition by spring, and together use to reach with torque spanner and limiter is carried out to nut tighten.
Rotatable arms can only at a rotation with in surface, the spacing stop in both sides in the plane perpendicular with rotational plane, namely ensure cursor at ordinary times or work time rely on spring force can only open up and directly stretch out, can ignore relative to the deflection of moment of torsion plank joint after stretching, during turnover part aperture, pull-up outstanding is drawn suspension cable radial direction to narrow, is taken out limiter and tighten adapter.Reach flexible turnover, flick exhibition arm, moment of torsion plank joint is coaxial with cursor driving end.Tightening of hole inner nut is axially transferred to coaxial position outside hole, realizes coaxially transforming, and then realize screw-down torque equivalent conversion in error allowed band, reach the object of nut being carried out to limiter.
Embodiment 2
Present embodiments provide a kind of hole inner nut limiter and tighten adapter, it is characterized in that: described hole inner nut limiter tightens adapter, comprises spanner and turns one's head 1, connecting rod 2, flexible hanging draws cable assembly 3, torque arm back segment 4, spring 5, pin 6, torque arm leading portion 7, driving end 8, D head bolt 9;
Torque arm back segment 4 is connected with torque arm leading portion 7 pin 6, and mounting spring 5.Torque arm back segment 4 and connecting rod 2 weld together, and torque arm leading portion 7 and driving end 8 weld together, and connecting rod 2 and spanner are turned one's head and 1 to be welded together, and the flexible outstanding cable assembly 3 that draws is through connecting rod 2 side, and two ends connect connecting rod 2 and torque arm leading portion 7 respectively.
The attaching nut of described fan blisk and fan rear shaft neck assembly, is positioned at aperture by totally 24, and treat that the position radius of jack panel is R112.5, aperture radius is R35.One section of nut torque arm is the structure of two folding activities, torque arm leading portion 7 can only at a rotation with in surface, in the plane perpendicular with rotational plane, both sides are by the spacing stop of torque arm back segment, namely ensure torque arm leading portion at ordinary times or work time rely on spring force can only open up the directly level of stretching out into, during turnover part aperture, pull-up is outstandingly drawn suspension cable radial direction to narrow into vertically, is taken out limiter and tighten adapter.Reach flexible turnover, flick exhibition arm, moment of torsion plank joint is designed to coaxial with cursor driving end, is convenient to calibrate qualified rear use.The size of each part is according to theory of mechanics of materials design, and intensity meets antitorque, bending resistance, anti-shearing force and distortion licensing requirement, selects suitable material so that processing and manufacturing.
Described spring 5 is torsion spring.
One section of the connecting rod of being turned one's head by nut is mobilizable two foldings, variable dimension, with the revolving structure of Horizontal limiting and lateral Displacement, utilize outstanding draw steel to lock to realize return turn up and can pass in and out aperture, flick the straight contact target nut of exhibition by spring, and together use to reach with torque spanner and limiter is carried out to nut tighten.
Rotatable arms can only at a rotation with in surface, the spacing stop in both sides in the plane perpendicular with rotational plane, namely ensure cursor at ordinary times or work time rely on spring force can only open up and directly stretch out, can ignore relative to the deflection of moment of torsion plank joint after stretching, during turnover part aperture, pull-up outstanding is drawn suspension cable radial direction to narrow, is taken out limiter and tighten adapter.Reach flexible turnover, flick exhibition arm, moment of torsion plank joint is coaxial with cursor driving end.Tightening of hole inner nut is axially transferred to coaxial position outside hole, realizes coaxially transforming, and then realize screw-down torque equivalent conversion in error allowed band, reach the object of nut being carried out to limiter.
Claims (3)
1. a hole inner nut limiter tightens adapter, it is characterized in that: described hole inner nut limiter tightens adapter, comprise spanner to turn one's head (1), connecting rod (2), flexible hanging draws cable assembly (3), torque arm back segment (4), spring (5), pin (6), torque arm leading portion (7), driving end (8), D head bolt (9);
Torque arm back segment (4) is connected with torque arm leading portion (7) pin (6), and mounting spring (5).Torque arm back segment (4) and connecting rod (2) weld together, torque arm leading portion (7) and driving end (8) weld together, connecting rod (2) and spanner turn one's head (1) weld together, flexible hanging draws cable assembly (3) through connecting rod (2) side, and two ends connect connecting rod (2) and torque arm leading portion (7) respectively.
2. tighten adapter according to hole according to claim 1 inner nut limiter, it is characterized in that: one section of nut torque arm is the structure of two folding activities, torque arm leading portion (7) can only at a rotation with in surface, in the plane perpendicular with rotational plane, both sides are by the spacing stop of torque arm back segment, namely ensure torque arm leading portion at ordinary times or work time rely on spring force can only open up the directly level of stretching out into, during turnover part aperture, pull-up is outstandingly drawn suspension cable radial direction to narrow into vertically, is taken out limiter and tighten adapter.
3. tighten adapter according to hole according to claim 1 inner nut limiter, it is characterized in that: described spring (5) is torsion spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410539517.8A CN105479391B (en) | 2014-10-13 | 2014-10-13 | A kind of hole inner nut limiter tightens adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410539517.8A CN105479391B (en) | 2014-10-13 | 2014-10-13 | A kind of hole inner nut limiter tightens adapter |
Publications (2)
| Publication Number | Publication Date |
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| CN105479391A true CN105479391A (en) | 2016-04-13 |
| CN105479391B CN105479391B (en) | 2017-08-29 |
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| CN201410539517.8A Active CN105479391B (en) | 2014-10-13 | 2014-10-13 | A kind of hole inner nut limiter tightens adapter |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108081189A (en) * | 2017-12-12 | 2018-05-29 | 大连理工大学 | It is a kind of to be useful in the link-type tightening mechanism tightened in inner-cavity structure and method |
| CN108375444A (en) * | 2016-11-25 | 2018-08-07 | 沈阳黎明航空发动机(集团)有限责任公司 | A kind of self-locking nut locking torque measurement method |
| CN109333427A (en) * | 2018-12-17 | 2019-02-15 | 中国航发沈阳发动机研究所 | A kind of nut installation method in steel wire drive spanner and small-diameter deep disk chamber |
| CN109352568A (en) * | 2018-11-21 | 2019-02-19 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of engine nut installation tool for preventing torque to be distorted |
| CN110977869A (en) * | 2019-11-20 | 2020-04-10 | 中国航发沈阳黎明航空发动机有限责任公司 | Deep cavity is with folding limit force spanner switching mechanism |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109352564A (en) * | 2018-11-23 | 2019-02-19 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of blind assembling structure limiter device for screwing up of rotor |
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| CN2124112U (en) * | 1992-04-09 | 1992-12-09 | 牛建华 | Universal adjustable wrench |
| US20070251356A1 (en) * | 2006-04-26 | 2007-11-01 | Tribby Jerry W | Spark plug wrench for confined spaces |
| CN201573147U (en) * | 2009-12-01 | 2010-09-08 | 西安航空动力股份有限公司 | Socket wrench for internal installation of compressor rotor |
| CN101885167A (en) * | 2009-05-15 | 2010-11-17 | 波音公司 | Low profile wrench |
| CN102873662A (en) * | 2012-09-28 | 2013-01-16 | 沈阳黎明航空发动机(集团)有限责任公司 | Inter-structural-disk connecting force limiting device |
| CN203426947U (en) * | 2013-08-08 | 2014-02-12 | 赵林 | Steel wire dragging pliers |
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- 2014-10-13 CN CN201410539517.8A patent/CN105479391B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2124112U (en) * | 1992-04-09 | 1992-12-09 | 牛建华 | Universal adjustable wrench |
| US20070251356A1 (en) * | 2006-04-26 | 2007-11-01 | Tribby Jerry W | Spark plug wrench for confined spaces |
| CN101885167A (en) * | 2009-05-15 | 2010-11-17 | 波音公司 | Low profile wrench |
| CN201573147U (en) * | 2009-12-01 | 2010-09-08 | 西安航空动力股份有限公司 | Socket wrench for internal installation of compressor rotor |
| CN102873662A (en) * | 2012-09-28 | 2013-01-16 | 沈阳黎明航空发动机(集团)有限责任公司 | Inter-structural-disk connecting force limiting device |
| CN203426947U (en) * | 2013-08-08 | 2014-02-12 | 赵林 | Steel wire dragging pliers |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108375444A (en) * | 2016-11-25 | 2018-08-07 | 沈阳黎明航空发动机(集团)有限责任公司 | A kind of self-locking nut locking torque measurement method |
| CN108081189A (en) * | 2017-12-12 | 2018-05-29 | 大连理工大学 | It is a kind of to be useful in the link-type tightening mechanism tightened in inner-cavity structure and method |
| CN109352568A (en) * | 2018-11-21 | 2019-02-19 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of engine nut installation tool for preventing torque to be distorted |
| CN109333427A (en) * | 2018-12-17 | 2019-02-15 | 中国航发沈阳发动机研究所 | A kind of nut installation method in steel wire drive spanner and small-diameter deep disk chamber |
| CN110977869A (en) * | 2019-11-20 | 2020-04-10 | 中国航发沈阳黎明航空发动机有限责任公司 | Deep cavity is with folding limit force spanner switching mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105479391B (en) | 2017-08-29 |
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Address after: 110043 Dong TA street, Dadong District, Shenyang, Liaoning Province, No. 6 Patentee after: Chinese Hangfa Shenyang Liming Aero engine limited liability company Address before: 110043 Dong TA street, Dadong District, Shenyang, Liaoning Province, No. 6 Patentee before: Liming Aeroplane Engine (Group) Co., Ltd., Shenyang City |
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| CP01 | Change in the name or title of a patent holder |