CN104500608A - Ultra-light type helicopter flexible shaft coupler - Google Patents
Ultra-light type helicopter flexible shaft coupler Download PDFInfo
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- CN104500608A CN104500608A CN201410804516.1A CN201410804516A CN104500608A CN 104500608 A CN104500608 A CN 104500608A CN 201410804516 A CN201410804516 A CN 201410804516A CN 104500608 A CN104500608 A CN 104500608A
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- shaft coupler
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Abstract
The invention discloses an ultra-light type helicopter flexible shaft coupler, relates to the field of helicopter shaft couplers and aims at solving the problem that buffering and vibration absorption effects of an existing shaft coupler are not ideal. The ultra-light type helicopter flexible shaft coupler comprises a shaft coupler main body, a left shaft coupler flange and a right shaft coupler flange, wherein the shaft coupler main body is a regular hexagon annular body made of rubber; through holes with equal diameter are formed in the front faces of six corners of the shaft coupler main body; each of the left shaft coupler flange and the right shaft coupler flange comprises a connection plate and a flange shaft; each connection plate is composed of three same supporting plates which are uniformly distributed in a circumference shape along the corresponding flange shaft; connection holes matched with the through holes of the shaft coupler main body are formed in the edges of the supporting plates; the three connection holes of each of the left shaft coupler flange and the right shaft coupler flange are connected with the six through holes in the shaft coupler main body in a staggered manner. The flexible shaft coupler has a simple design structure, good buffering and vibration absorption effects, can be used for compensating displacement and can be automatically coordinated in a working process; the precision requirements on machining are reduced.
Description
Technical field
The present invention relates to the component of machine field in helicopter, relate to a kind of surperlight type helicopter flexible coupling more specifically.
Background technique
Helicopter is as one of 20th century aeronautical technology creation having characteristic, greatly expand the application area of aircraft, helicopter is typical dual-use product, helicopter has other aircraft many to be difficult to accomplish the advantage maybe can not accomplished, be subject to extensive use, owing to taking off vertically, landing is mainly used in sightseeing tour without large size airport to helicopter, fire rescue, first aid at sea, anti-smuggling drug law enforcement, fire-fighting, transit commercial, medical rescue, the pesticide that communicates and spray insecticide eliminate destructive insects, detect resource, etc. each department of national economy.
Connection in the afterbody transmission shaft and main-gear box of helicopter can use coupling, coupling is used to two axles (driving shaft and driven shaft) connected in different institutions to be made it jointly to rotate with the mechanical parts of transmitting torque, coupling is of a great variety, according to the change conditions of the relative position and position that are connected diaxon, permanent coupling can be divided into, movable coupling, movable coupling is mainly used in the place that diaxon has deflection or has relative displacement at work, method according to compensate for displacement can be divided into again rigidity moveable coupling and rubbing movable coupling.
At present, in the power transmission of high-speed overload, some flexible couplings have the effect of buffering, vibration damping undesirable, therefore it is simple to design a kind of structure, and a kind of flexible coupling of buffering, good damping result and energy compensate for displacement is necessary.
Summary of the invention
The present invention, in order to overcome above-mentioned technical deficiency, provides a kind of surperlight type helicopter flexible coupling.
The present invention in order to realize above-mentioned order, specifically by the following technical solutions:
A kind of surperlight type helicopter flexible coupling, comprise coupling main body, Left-wing Federation's coupling flange and right coupling flange, described coupling main body is the regular hexagon ring bodies of quality of rubber materials, the front, six angles of described coupling main body is provided with the through hole of equal diameters, the center of circle of six through holes is positioned at coupling main body circumcircle circumferentially concentric, described Left-wing Federation coupling flange and right coupling flange include connecting plate and flange shaft, connecting plate becomes the identical support plate of circumference uniform distribution to form by three pieces along flange shaft, the edge of every block support plate is all provided with the attachment hole for coordinating with the through hole of coupling main body, three respective attachment holes on Left-wing Federation's coupling flange and right coupling flange and six through holes in coupling main body are cross-linked, this structure be cross-linked can strengthen the stability of the axle that Left-wing Federation's coupling flange is connected with right coupling flange, realize the automatic capturing to the axle that flexible coupling two ends connect, can require to reduce to the coaxality of the coupling shaft of flexible coupling two termination by compensate for displacement, to a certain extent the required precision of coupling shaft machining is reduced.
The Young's modulus of rubber is little, general at 1-9.8MPa, elongation strain is large, elongation percentage can up to 100%, performance is appointed to have recoverable characteristic, and elasticity is maintained within the scope of-50-150 DEG C, rubber has the propagation of buffer function to sound and vibration and has buffer function, and therefore described coupling main body can play buffering, vibration damping and raising axle system dynamic performance.
Further, all through hole two ends in described coupling main body are provided with highly equal through hole platform, and through hole platform is provided with and is communicated with and the hole of equal diameters with through hole.
Further, described through hole platform is the tubular body platform concentric with through hole.
Further, place, three the attachment hole centers of circle circle diameter 5 ~ 10mm less of the diameter of the circumference at the place, the through hole center of circle of six in coupling main body of described connecting plate.
Further, described coupling main body is by after compression, and attachment hole is connected with through hole bolt; The design of this structure strengthens the stability and intensity that Left-wing Federation's coupling flange and right coupling flange be connected with coupling main body.
Beneficial effect of the present invention is as follows:
Coupling main body of the present invention is the regular hexagon ring bodies of quality of rubber materials, quality of rubber materials can play buffering, vibration damping and raising axle system dynamic performance, three respective attachment holes on Left-wing Federation's coupling flange and right coupling flange and six through holes in coupling main body are cross-linked, this structure be cross-linked can strengthen Left-wing Federation's coupling flange and be connected stability when being that coupling main body connects with right coupling flange, realize the automatic capturing to the axle that flexible coupling two ends connect, can require to reduce to the coaxality of the coupling shaft of flexible coupling two termination by compensate for displacement, to a certain extent the required precision of coupling shaft machining is reduced, place, three the attachment hole centers of circle circle diameter 5 ~ 10mm less of the diameter of the circumference at the place, the through hole center of circle of six in coupling main body of described connecting plate, described coupling main body is by after compression, and attachment hole is connected with through hole bolt, this structural design being first compressed in connection strengthens stability and the intensity of Left-wing Federation's coupling flange and right coupling flange and coupling main body.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of surperlight type helicopter of the present invention flexible coupling;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the rear view of Fig. 1;
Fig. 4 is the stereogram of coupling main body;
Fig. 5 is the front view of coupling main body;
Fig. 6 is the left view of Fig. 5;
The right coupling flange of reference character: 1-, 1-1-connecting plate, 1-1.1-support plate, 1-1.2-attachment hole, 1-2-flange shaft, 2-coupling main body, 3-Left-wing Federation coupling flange.
Embodiment
In order to those skilled in the art person better understands the present invention, below in conjunction with accompanying drawing and following examples, the present invention is described in further detail.
Embodiment 1
As Fig. 1-6, the present embodiment provides a kind of surperlight type helicopter flexible coupling, comprise coupling main body 2, Left-wing Federation's coupling flange 3 and right coupling flange 1, described coupling main body 2 is the regular hexagon ring bodies of quality of rubber materials, six angles of described coupling main body 2 are provided with the through hole 2-1 of equal diameters, the center of circle of six through hole 2-1 is positioned at coupling main body 2 circumcircle circumferentially concentric, all through hole 2-1 two ends in described coupling main body are provided with highly equal through hole platform 2-2, through hole platform 2-2 is provided with and is communicated with and the hole of equal diameters with through hole 2-1, described through hole platform 2-2 is the tubular body platform concentric with through hole 2-1, described Left-wing Federation coupling flange 3 and right coupling flange 1 include connecting plate 1-1 and flange shaft 1-2, connecting plate 1-1 becomes the identical support plate 1-1.1 of circumference uniform distribution to form by three pieces along flange shaft 1-2, the edge of every block support plate 1-1.1 is all provided with the attachment hole 1-1.2 for coordinating with the through hole 2-1 of coupling main body 1, and three the respective attachment hole 1-1.2 on Left-wing Federation's coupling flange 3 and right coupling flange 1 and six through hole 2-1 in coupling main body 1 are cross-linked.
In the present embodiment, coupling main body 2 is the regular hexagon ring bodies of quality of rubber materials, rubber has the strong flexible polymer material of reversible deformation, quality of rubber materials can play buffering, vibration damping and raising axle system dynamic performance, three respective attachment hole 1-1.2 on Left-wing Federation's coupling flange 3 and right coupling flange 1 and six through hole 2-1 in coupling main body are cross-linked, this structure be cross-linked can strengthen the stability of the axle that Left-wing Federation's coupling flange 3 is connected with right coupling flange 1, realize the automatic capturing to the axle that flexible coupling two ends connect, energy compensate for displacement, require to reduce to the coaxality of the coupling shaft of flexible coupling two termination, to a certain extent the required precision of coupling shaft machining is reduced.
Embodiment 2
The present embodiment is on the basis of embodiment 1, done following improvement, specifically, place, three the attachment hole 1-1.2 centers of circle circle diameter of described connecting plate 1-1 is than the diameter 5 ~ 10mm of the circumference at the place, the through hole 2-1 center of circle of six in coupling main body 1, described coupling main body 1 is by after compression, and attachment hole 1-1.2 is connected with through hole 2-1 bolt.
In the present embodiment, all through hole 2-1 two ends in described coupling main body are provided with highly equal through hole platform 2-2, through hole platform 2-2 is provided with and is communicated with and the hole of equal diameters with through hole 2-1, and being designed with of this structure is beneficial to the bolted reliability of enhancing; The diameter of the circumference at the place, the center of circle of described through hole 2-1 is more bigger than place, attachment hole 1-1.2 center of circle circle diameter, when coupling main body about 2 two ends connect Left-wing Federation's coupling flange 3 and right coupling flange 1, coupling main body 2 must be compressed could connect, the another fixed contractibility of quality of rubber materials of coupling main body 2, the design of this structure can strengthen stability and the intensity of Left-wing Federation's coupling flange 3 and right coupling flange 1 and coupling 2, make this flexible coupling work more steady, carry-over moment is larger.
The above; be only preferred embodiment of the present invention, not in order to limit the present invention, scope of patent protection of the present invention is as the criterion with claims; the equivalent structure change that every utilization specification of the present invention and accompanying drawing content are done, in like manner all should be included in protection scope of the present invention.
Claims (5)
1. a surperlight type helicopter flexible coupling, comprise coupling main body (2), Left-wing Federation's coupling flange (1) and right coupling flange (3), it is characterized in that, the regular hexagon ring bodies that described coupling main body (2) is quality of rubber materials, the front, six angles of described coupling main body (2) is provided with the through hole (2-1) of equal diameters, the center of circle of six through holes (2-1) is positioned at coupling main body (2) circumcircle circumferentially concentric, described Left-wing Federation coupling flange (2) and right coupling flange (3) include connecting plate (1-1) and flange shaft (1-2), connecting plate (1-1) becomes the identical support plate (1-1.1) of circumference uniform distribution to form by three pieces along flange shaft (1-2), the edge of every block support plate (1-1.1) is all provided with the attachment hole (1-1.2) for coordinating with the through hole (2-1) of coupling main body (1), three respective attachment holes (1-1.2) on Left-wing Federation's coupling flange (2) and right coupling flange (3) are cross-linked with six through holes (2-1) in coupling main body (1).
2. surperlight type helicopter flexible coupling according to claim 1, it is characterized in that, all through holes (2-1) two ends in described coupling main body are provided with highly equal through hole platform (2-2), and through hole platform (2-2) is provided with and is communicated with and the hole of equal diameters with through hole (2-1).
3. surperlight type helicopter flexible coupling according to claim 2, is characterized in that, described through hole platform (2-2) is the tubular body platform concentric with through hole (2-1).
4. surperlight type helicopter flexible coupling according to claim 1, it is characterized in that, three attachment hole (1-1.2) place, center of circle circle diameters, the 5 ~ 10mm less of the diameter of the circumference at six through hole (2-1) places, the center of circle in coupling main body (1) of described connecting plate (1-1).
5. surperlight type helicopter flexible coupling according to claim 4, is characterized in that, described coupling main body (1) is by after compression, and attachment hole (1-1.2) is connected with bolt with through hole (2-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410804516.1A CN104500608A (en) | 2014-12-23 | 2014-12-23 | Ultra-light type helicopter flexible shaft coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410804516.1A CN104500608A (en) | 2014-12-23 | 2014-12-23 | Ultra-light type helicopter flexible shaft coupler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104500608A true CN104500608A (en) | 2015-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410804516.1A Pending CN104500608A (en) | 2014-12-23 | 2014-12-23 | Ultra-light type helicopter flexible shaft coupler |
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| CN (1) | CN104500608A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB321999A (en) * | 1928-08-29 | 1929-11-28 | Christian Hamilton Gray | Improvements in or relating to universal joints |
| FR1042416A (en) * | 1950-09-30 | 1953-11-02 | Gomma Antivibranti Applic | Method and device for adjusting the pre-compression of elastic rubber elements of couplings for transmissions |
| US2982118A (en) * | 1959-07-18 | 1961-05-02 | Gomma Antivibranti Applic | Resilient transmission joints for shafts |
| CN101107455A (en) * | 2005-01-25 | 2008-01-16 | 南德盘形接轴节工厂股份有限公司 | Elastic articulated mechanism |
| CN201723610U (en) * | 2010-07-28 | 2011-01-26 | 中国航空动力机械研究所 | Film disk shaft coupler |
| CN204419905U (en) * | 2014-12-19 | 2015-06-24 | 四川精石航空科技开发有限公司 | A kind of surperlight type helicopter flexible coupling |
-
2014
- 2014-12-23 CN CN201410804516.1A patent/CN104500608A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB321999A (en) * | 1928-08-29 | 1929-11-28 | Christian Hamilton Gray | Improvements in or relating to universal joints |
| FR1042416A (en) * | 1950-09-30 | 1953-11-02 | Gomma Antivibranti Applic | Method and device for adjusting the pre-compression of elastic rubber elements of couplings for transmissions |
| US2982118A (en) * | 1959-07-18 | 1961-05-02 | Gomma Antivibranti Applic | Resilient transmission joints for shafts |
| CN101107455A (en) * | 2005-01-25 | 2008-01-16 | 南德盘形接轴节工厂股份有限公司 | Elastic articulated mechanism |
| CN201723610U (en) * | 2010-07-28 | 2011-01-26 | 中国航空动力机械研究所 | Film disk shaft coupler |
| CN204419905U (en) * | 2014-12-19 | 2015-06-24 | 四川精石航空科技开发有限公司 | A kind of surperlight type helicopter flexible coupling |
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Application publication date: 20150408 |
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