CN102221050B - Film disc coupling - Google Patents
Film disc coupling Download PDFInfo
- Publication number
- CN102221050B CN102221050B CN201110173818.XA CN201110173818A CN102221050B CN 102221050 B CN102221050 B CN 102221050B CN 201110173818 A CN201110173818 A CN 201110173818A CN 102221050 B CN102221050 B CN 102221050B
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- CN
- China
- Prior art keywords
- sleeve
- coupling
- joint
- connection part
- diaphragm
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/50—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members
- F16D3/72—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members with axially-spaced attachments to the coupling parts
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Diaphragms And Bellows (AREA)
Abstract
The invention provides a film disc coupling. The film disc coupling comprises a connecting sleeve (3), and a first connecting component (1) which is connected with one end of the connecting sleeve (3), wherein the first connecting component (1) comprises a shaft connecting piece (11), a plurality of film discs (12) and a sleeve connecting piece (13) which are welded in turn. The film disc coupling has light weight, and can adapt to power transmission under the conditions of large deflection and a high rotating speed.
Description
Technical field
The present invention relates to mechanical transmission fields, in particular to a kind of diaphragm coupling.
Background technique
In prior art, when solving high speed power transmission, use laminated diaphragm couplings structure, be generally two ends be the flange 11 ' of tape spool with laminated diaphragm couplings by bolt and be connected fastening piece and connect, laminated diaphragm couplings simultaneously with intermediate propeller shaft 3 ' by bolt and is connected fastening piece and connects, the adjustment of axial dimension realizes by the thickness of change pad.Wherein laminated diaphragm couplings is to be compressed and combined by lining by multi-disc stainless steel thin slice (about 0.2mm), the deflection of the deformation-compensated axis by laminated diaphragm couplings.Because of laminated diaphragm couplings constitutional detail quantity many, connecting link is many, quality is relatively heavier, the laminated diaphragm couplings life-span is shorter, will optionally safeguard, can not adapt to large deflection, maximum deflection angle is generally less than 1.5 °, laminated diaphragm couplings critical speed of rotation under large load is relatively low, can not meet the operating conditions requirement under the high rotating speed of large load.
Summary of the invention
The present invention aims to provide a kind of diaphragm coupling, to solve the problem that part is many, connecting link is many, quality is heavy of prior art high speed power transmission shaft laminated diaphragm couplings.
To achieve these goals, the invention provides a kind of diaphragm coupling, comprising: coupling sleeve, and the first connection part being connected with coupling sleeve one end, the first connection part comprises shaft coupling piece, a plurality of membranous disc and the sleeve connector of welding successively.
Further, diaphragm coupling of the present invention also comprises: the second connection part, it is arranged on the other end of coupling sleeve, and is integrated with coupling sleeve.
Further, the second connection part is tubular, comprise axle joint, sleeve joint and the middle interconnecting piece between axle joint and sleeve joint, on axle joint, be provided with crowned spline, the outer surface of middle interconnecting piece is provided with a plurality of O-ring seal grooves, is provided with to connect to get rid of oilhole and spill port inside and outside barrel on the barrel of middle interconnecting piece.
Further, the shaft coupling piece of the first connection part is connected with driven shaft, and the crowned spline of the second connection part is connected with live axle.
Further, shaft coupling piece is flange plate.
Further, a plurality of membranous discs are two.
Further, shaft coupling piece, a plurality of membranous disc and sleeve connector link together by electron beam welding portion.
Further, membranous disc center has through hole, comprising: outer ring joint, and inner ring joint and the membranous disc profile that connects outer ring joint and inner ring joint, two sides of membranous disc profile form hyperboloid structure.
Further, coupling sleeve is thin wall shaft sleeve.
Further, the material of membranous disc is Maraging steel 18Ni-250.
Adopt diaphragm coupling of the present invention, by welding, shaft coupling piece, a plurality of membranous disc are connected with sleeve connector, reduced intermediate connecting ring joint, thereby alleviated the quality of diaphragm coupling; The first link includes a plurality of membranous discs, because membranous disc has, torsional stiffness is large, axial and angular stiffness is little, the characteristic that flexibility is large, make diaphragm coupling effectively compensate the large deflection of two high-speed drive members, meanwhile, thin, the quality of membranous disc wall light, can adapt under high speed conditions and complete transferring power.
Accompanying drawing explanation
Figure of description is used to provide a further understanding of the present invention, forms the application's a part, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows prior art laminated diaphragm couplings structural representation;
Fig. 2 shows the embodiment's of diaphragm coupling of the present invention schematic diagram;
Fig. 3 shows the schematic diagram of the first connection part of diaphragm coupling in Fig. 2;
Fig. 4 shows the schematic diagram of the membranous disc of diaphragm coupling in Fig. 2; And
Fig. 5 shows the schematic diagram of the second connection part of diaphragm coupling in Fig. 2.
Embodiment
It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
In conjunction with referring to Fig. 2 to Fig. 3, the diaphragm coupling of the present embodiment comprises: coupling sleeve 3, and the first connection part 1 being connected with coupling sleeve 3 one end, the first connection part 1 comprises shaft coupling piece 11, a plurality of membranous disc 12 of welding successively, in the present embodiment, preferred situation is two membranous discs 12, and sleeve connector 13.Wherein preferably, coupling sleeve 3 is thin wall shaft sleeve.In the present embodiment, by welding, shaft coupling piece 11, two membranous discs 12 are connected with sleeve connector 13, have reduced intermediate connecting ring joint, thereby alleviated the quality of diaphragm coupling; The first link 1 is by arranging two membranous discs 12, because membranous disc 12 has, torsional stiffness is large, axial and angular stiffness is little, the characteristic that flexibility is large, make diaphragm coupling can effectively compensate the large deflection of two high-speed drive members, meanwhile, thin, the quality of membranous disc wall light, can adapt under high speed conditions and complete transferring power.This structure, can be in large deflection (2.6 °) and lower steady, the safe transferring power of high rotating speed (22676r/min) through experimental verification.
Preferably, shaft coupling piece 11 is selected flange plate, and flange plate diameter centering precision is high, utilizes a plurality of bolts hole uniform on flange plate to connect and transferring power, simple, convenient.Preferably, shaft coupling piece 11, a plurality of membranous disc 12 and sleeve connector 13 link together by electron beam welding, in order further to alleviate quality, can also use electron beam welding to link together with coupling sleeve 3 the first link 1 simultaneously, electron beam welding has advantages of that distortion is little.
As shown in Figure 4, preferably, membranous disc 12 centers have through hole, comprise: outer ring joint 121, inner ring joint 122 and the membranous disc profile 123 that connects outer ring joint 121 and inner ring joint 122, between two membranous discs 12 of the diaphragm coupling of the present embodiment, and between membranous disc 12, shaft coupling piece 11 and sleeve connector 13, utilize outer ring joint 121 to be connected with inner ring joint 122.Two sides of membranous disc profile portion 123 form hyperboloid structure.Hyperboloid moulding surface structure membranous disc is conducive to stress and is uniformly distributed from wheel hub to wheel rim, and has hypoelasticity rate, compensates the advantages such as large, lightweight, rotary inertia is little.
Preferably, the two ends of the coupling sleeve 3 of diaphragm coupling connect respectively the first connection part 1 and the second connection part 2, the second connection parts 2 are integrated with coupling sleeve 3.Preferably, the shaft coupling piece 11 of the first connection part 1 is connected with driven shaft simultaneously, and the crowned spline 21 of the second connection part 2 is connected with live axle.Better like this deflection of live axle and driven shaft (comprising: axial displacement, radial displacement, angle displacement) is compensated.
As shown in Figure 5, in a kind of preferred embodiment, the second connection part 2 is tubular, comprises axle joint, sleeve joint and the middle interconnecting piece between axle joint and sleeve joint.On axle joint, be provided with crowned spline 21.The outer surface of middle interconnecting piece is provided with a plurality of O-ring seal grooves 22, is provided with to connect to get rid of oilhole 23 and spill port 24 inside and outside barrel on the barrel of middle interconnecting piece.Crowned spline 21 can effective compensation and the shaft axis deflection that adapts to two high-speed drive members, simultaneously transferring power.
Preferably, membranous disc 12 is selected Maraging steel 18Ni-250 high-strength, high-ductility, other part is selected carburizing Alloy Constructional Steel, the Maraging steel 18Ni-250 intensity of high-ductility is high, good toughness, for high strength elastic element, when solid solution condition, be applicable to processing simultaneously, be out of shape littlely during aged, weldability is good.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. a diaphragm coupling, it is characterized in that, comprise: coupling sleeve (3), and the first connection part (1) being connected with described coupling sleeve (3) one end, described the first connection part (1) comprises the shaft coupling piece (11) of welding successively, a plurality of membranous discs (12) and sleeve connector (13), the shaft coupling piece (11) of described the first connection part (1) is connected with driven shaft, described diaphragm coupling also comprises: the second connection part (2), it is arranged on the other end of described coupling sleeve (3), and be integrated with described coupling sleeve (3), described the second connection part (2) is tubular, comprise axle joint, sleeve joint and the middle interconnecting piece between described axle joint and sleeve joint, on described axle joint, be provided with crowned spline (21), the outer surface of described middle interconnecting piece is provided with a plurality of O-ring seal grooves (22), on the barrel of described middle interconnecting piece, be provided with to connect and get rid of oilhole (23) and spill port (24) inside and outside barrel.
2. diaphragm coupling according to claim 1, is characterized in that, the crowned spline (21) of described the second connection part (2) is connected with live axle.
3. diaphragm coupling according to claim 1, is characterized in that, described shaft coupling piece (11) is flange plate.
4. diaphragm coupling according to claim 1, is characterized in that, described a plurality of membranous discs (12) are two.
5. diaphragm coupling according to claim 1, is characterized in that, described shaft coupling piece (11), described a plurality of membranous discs (12) and described sleeve connector (13) link together by electron beam welding portion.
6. diaphragm coupling according to claim 1, it is characterized in that, described membranous disc (12) center has through hole, comprise: outer ring joint (121), inner ring joint (122) and connect described outer ring joint (121) and the membranous disc profile portion (123) of inner ring joint (122), two sides of described membranous disc profile portion (123) form hyperboloid structures.
7. diaphragm coupling according to claim 1, is characterized in that, described coupling sleeve (3) is thin wall shaft sleeve.
8. diaphragm coupling according to claim 1, is characterized in that, the material of described membranous disc (12) is Maraging steel 18Ni-250.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110173818.XA CN102221050B (en) | 2011-06-24 | 2011-06-24 | Film disc coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110173818.XA CN102221050B (en) | 2011-06-24 | 2011-06-24 | Film disc coupling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102221050A CN102221050A (en) | 2011-10-19 |
| CN102221050B true CN102221050B (en) | 2014-09-10 |
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ID=44777689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110173818.XA Active CN102221050B (en) | 2011-06-24 | 2011-06-24 | Film disc coupling |
Country Status (1)
| Country | Link |
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| CN (1) | CN102221050B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107052556A (en) * | 2016-08-23 | 2017-08-18 | 哈尔滨东安发动机（集团）有限公司 | A kind of vacuum electron beam welding method of membranous disc component |
| CN106481680A (en) * | 2016-12-13 | 2017-03-08 | 三汽车制造有限公司 | The mounting assembly of torque sensor |
| CN106837983A (en) * | 2017-03-24 | 2017-06-13 | 山西国科节能有限公司 | There is the recessed rotating shaft put and get rid of oily tooth group spindle nose |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3336764A (en) * | 1965-09-13 | 1967-08-22 | Bendix Corp | Flexible coupling |
| US5364309A (en) * | 1989-03-10 | 1994-11-15 | Bhs-Bayerische Berg-Hutten-Und Salzwerke Ag | Resilient-membrane coupling element for use in a torque transmission path, and method of manufacture |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100334365C (en) * | 2002-11-11 | 2007-08-29 | 李文聪 | Shaft copling and unloader made from hydraumatic membrane |
| CN2727485Y (en) * | 2004-08-14 | 2005-09-21 | 重庆宗申技术开发研究有限公司 | Flexible coupling |
| ATE438043T1 (en) * | 2007-02-27 | 2009-08-15 | Agusta Spa | TRANSMISSION JOINT |
| CN201651093U (en) * | 2010-05-12 | 2010-11-24 | 重庆京庆重型机械有限公司 | Transmission shaft of diaphragm coupling |
| CN202152805U (en) * | 2011-06-24 | 2012-02-29 | 中国航空动力机械研究所 | Diaphragm coupling |
-
2011
- 2011-06-24 CN CN201110173818.XA patent/CN102221050B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3336764A (en) * | 1965-09-13 | 1967-08-22 | Bendix Corp | Flexible coupling |
| US5364309A (en) * | 1989-03-10 | 1994-11-15 | Bhs-Bayerische Berg-Hutten-Und Salzwerke Ag | Resilient-membrane coupling element for use in a torque transmission path, and method of manufacture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102221050A (en) | 2011-10-19 |
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