CN102384151A - Rotating shaft assembly - Google Patents
Rotating shaft assembly Download PDFInfo
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- CN102384151A CN102384151A CN2010102748485A CN201010274848A CN102384151A CN 102384151 A CN102384151 A CN 102384151A CN 2010102748485 A CN2010102748485 A CN 2010102748485A CN 201010274848 A CN201010274848 A CN 201010274848A CN 102384151 A CN102384151 A CN 102384151A
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- capstan winch
- cable
- supporting element
- output terminal
- input end
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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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C1/00—Flexible shafts; Mechanical means for transmitting movement in a flexible sheathing
- F16C1/02—Flexible shafts; Mechanical means for transmitting movement in a flexible sheathing for conveying rotary movements
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Mechanical Engineering (AREA)
- Flexible Shafts (AREA)
- Transmission Devices (AREA)
Abstract
The invention provides a rotating shaft assembly which comprises an input end winch for receiving a torque, an output end winch for outputting a torque, a cable support member and a cable, wherein one end of the cable support member is positioned at the middle of the input end winch, the other end of the cable support member is positioned at the middle of the output end winch, at least one of the positioning of the cable support member relative to the input end winch and the positioning of the cable support member relative to the output end winch relatively rotating positioning, the cable helically extends around the cable support member, one end of the cable is fixed on the edge of the input end winch, and the other end of the cable is fixed on the edge of the output end winch. The rotating shaft assembly provided by the invention has a radial size made to be small, and can be used for flexibly designing the cable support member according to various special applications.
Description
Technical field
The present invention relates to a kind of rotating assembly.
Background technique
Rotating shaft is the mechanical component that is used for transmitting moment of torsion; Its input end links to each other with power sources such as motor; Accept the moment of rotation that power source produces, and moment of rotation is sent to the slewing gears such as gear that link to each other with the rotating shaft output terminal, drive slewing gear and rotate through the torsional deflection of rotating shaft itself.For transmitting large torque, the diameter of rotating shaft needs very big.
In some special occasions, the distance between power source and the slewing gear is very big, transmits moment of torsion if use traditional rotating shaft to grow distance; So; In order to keep the rigidity of rotating shaft self, in the time of particularly need transmitting high pulling torque, the diameter of rotating shaft maybe be very big; Therefore, can't actually make and use.For example, wind energy is as a kind of important clean energy resource, and typically utilizing mode is to utilize wind power equipment that wind power transformation is become electric power.Using in maximum horizontal shaft type wind-driven generators normally tens of meters or even more than 100 meter of the height of pylon at present.On such height, the wind wheel rotation is directly delivered to ground, be extremely difficult.Wherein, only be the rotating shaft of tens of meters long, one meter of manufacturing even number rice diameter, be difficult to the technology barrier of going beyond exactly.Therefore, existing wind motor all is that the wind energy conversion system that receives and transmit wind energy is in the same place with the generator designs of utilizing wind energy power, is encapsulated in the cabin, constitutes head, is installed in tower top through rotary supporting device then.Yet the weight of head is very big, and particularly the head of big-and-middle-sized wind power plant can reach tens of tons to the hundreds of ton, and that makes, installs, moves and safeguard is with high costs.
If the diameter of rotating shaft that can transmission wind wheel moment of torsion is required reduce, just might realize that directly length so, just possibly further simplified the structure of wind-driven generator apart from transmitting torque downwards, the cost that reduces manufacturing, operation and safeguard.
In addition, in using the occasion of common rotating shaft, if can do not reduce reduce the diameter of rotating shaft in the moment of torsion that will transmit, so, will produce tangible economic benefit too.
Summary of the invention
Correspondingly, the invention provides a kind of rotating assembly, comprising: the input end capstan winch of accepting moment of torsion; The output terminal capstan winch of output torque; The cable supporting element; One end of said cable supporting element is positioned the intermediate portion of said input end capstan winch; The other end is positioned the intermediate portion of said output terminal capstan winch, and at least one location in the location of the location of the said relatively input end capstan winch of said cable supporting element and the said relatively output terminal capstan winch of said cable supporting element is relatively turnable location; Cable, said cable is around said cable supporting element spiral extension, and an end of said cable is fixed in the edge section of said input end capstan winch, and the other end is fixed in the edge section of said output terminal capstan winch.
In the present invention, the intermediate portion of capstan winch and edge section are comparatively speaking.
According to rotating assembly of the present invention; Because at least one location in the location of the location of the said relatively input end capstan winch of said cable supporting element and the said relatively output terminal capstan winch of said cable supporting element is relatively turnable location; So; What begin to rotate when input end capstan winch reception moment of torsion is instantaneous, produces relative rotation between input end capstan winch and the output terminal capstan winch, and this relatively rotating produces tensile stress in cable.Because cable is coiled coil, promptly tilt, so the tensile stress in the cable produces circumferential component in the edge section of output terminal capstan winch with respect to output terminal capstan winch edge section.Under the effect of this circumferential component, the output terminal capstan winch trend that correspondingly rotates.As a result, the output terminal capstan winch rotates along with the rotation of input end capstan winch, and output torque has been realized the transmission of moment of torsion.
Owing to there is at least one relatively turnable location; So the cable supporting element is not to be used for transmitting torque between input, output capstan winch, means with traditional rotating shaft and compares; The cable supporting element have a much bigger design flexibility; Determined rotating assembly of the present invention not only can be applied to use the occasion of the length of traditional rotating shaft apart from the moment of torsion transmission, in the for example foregoing wind-driven generator, and; Also can use and traditional rotating shaft application, but have littler radial dimension than traditional rotating shaft.
Said cable supporting element can be tubular spare; Said input end capstan winch and said output terminal capstan winch can comprise respectively accordingly can insert the inner boss of said tubular spare, and at least one in the boss of said tubular spare and said input end capstan winch and the boss of said output terminal capstan winch can relatively rotate.
As substitute mode; Said cable supporting element can be rod-like element; Said input end capstan winch and said output terminal capstan winch can comprise the receiving hole that can admit said rod-like element accordingly respectively, and at least one in the receiving hole of said rod-like element and said input end capstan winch and the receiving hole of said output terminal capstan winch can relatively rotate.
Said input end capstan winch and said output terminal capstan winch can be respectively on the edge of part comprise the through hole that said cable can pass, the size of the fixing part that said through-hole diameter forms less than the end at said cable.
End that deviates from said cable at said through hole can be formed with the counterbore of diameter greater than the diameter of said through hole, and the diameter of said counterbore and the degree of depth can be contained in the fixing part of the end formation of said cable.
Said cable can pass through pre-stretching and handle.
Said rotating assembly can comprise a plurality of cables.Said a plurality of cable can extend around said cable supporting element to be divided into two-layer at least form from said cable supporting element radially outward.
A part of cable in said a plurality of cable extends around said cable supporting element according to clockwise direction, and another part cable is according to counterclockwise extending around said cable supporting element.
Said a plurality of cable extends around said cable supporting element according to different helix angles.
Said rotating assembly can comprise a plurality of cable supporting elements, and at least one end of said a plurality of cable supporting elements is combined by connecting piece, and is positioned rotatably in said input end capstan winch and the said output terminal capstan winch through said connecting piece.
Description of drawings
Fig. 1 is the schematic representation according to the rotating assembly of one embodiment of the present invention.
Fig. 2 is the sectional view according to capstan winch in the rotating assembly of one embodiment of the present invention.
Fig. 3 is the plan view of capstan winch shown in Figure 2.
Fig. 4 is the partial sectional view according to the rotating assembly of one embodiment of the present invention.
Fig. 5 is the partial sectional view according to the rotating assembly of one embodiment of the present invention.
Fig. 6 is the schematic representation according to the rotating assembly of one embodiment of the present invention.
Fig. 7 is the sectional view of the connecting piece of a kind of mode of execution of rotating assembly shown in Figure 6.
Fig. 8 is the sectional view of the connecting piece of a kind of mode of execution of rotating assembly shown in Figure 6.
Fig. 9 is the partial sectional view according to the rotating assembly of one embodiment of the present invention.
Embodiment
Embodiment of the present invention is described with reference to the accompanying drawings.
Fig. 1 is the schematic representation according to the rotating assembly of one embodiment of the present invention.The output terminal capstan winch 4 that rotating assembly of the present invention comprises cable supporting element 1, cable 2, is used to accept the input end capstan winch 3 of moment of torsion and is used for output torque.Input end capstan winch 3 is respectively fixed to input end slewing gear 5 and output terminal slewing gear 6 with output terminal capstan winch 4.
Input end slewing gear 5 is that rotating assembly of the present invention is intended the slewing gear that is connected with output terminal slewing gear 6, and wherein, input end slewing gear 5 is to input end capstan winch 3 input torques, and output terminal slewing gear 6 is accepted moment of torsion from output terminal capstan winch 4.In the present invention, input end slewing gear 5 and output terminal slewing gear 6 can be well known in the artly any type ofly to be used for producing and/or the slewing gear of transmitting torque, for example the gear shown in the figure.
Fig. 2 and Fig. 3 are respectively according to the sectional view of the capstan winch of the rotating assembly of one embodiment of the present invention and plan view.Capstan winch among the figure both can be an input end capstan winch 3, also can be output terminal capstan winch 4.In illustrated embodiment, two capstan winches have identical construction.But, it will be understood by those skilled in the art that input end capstan winch 3 can have different shapes and structure with output terminal capstan winch 4, to adapt to concrete input end slewing gear 5 and output terminal slewing gear 6.Hereinafter is that example describes with input end capstan winch (being called for short " capstan winch ") 3, and these explanations are equally applicable to output terminal capstan winch 4.
Capstan winch 3 preferably adopts disk-like structure, and outer shape that it is concrete and size can be considered to intend with its fixing slewing gear and confirm.In illustrated embodiment, capstan winch 3 comprises 3 through holes 8 that distribute along circumferential equal angles, and fastening pieces such as screw or bolt 7 (see figure 1)s can pass through hole 8 capstan winch 3 and slewing gear 5 are fixed together.Though among the figure 3 equally distributed through holes have been shown,, according to the concrete condition of intending the slewing gear that connects, can use the through hole of any amount, through hole can not be equally distributed also.
As a kind of substitute mode, also can on capstan winch 3, form tapped hole, be used for receiving the screw that passes slewing gear 5.As another kind of substitute mode, can capstan winch 3 and slewing gear 5 be welded together, perhaps utilize other fixing means well known in the art such as clamping plate.It will be understood by those skilled in the art that capstan winch 3 also can be the part of slewing gear 5, promptly capstan winch 3 is one with slewing gear 5.
As shown in Figure 1, in the present invention, the two ends of cable supporting element 1 are positioned at the intermediate portion of input end capstan winch 3 and output terminal capstan winch 4 respectively, and at least one location wherein is relatively turnable location.Therefore, the effect of cable supporting element 1 is not a transmitting torque, but input end capstan winch 3 and output terminal capstan winch 4 are separated intended distance, promptly intends the distance of transmitting torque, simultaneously also as the support of cable 2 coiled coils.So cable supporting element 1 can be selected any material, sectional dimension and outer shape etc. for use according to concrete application.For example; When vertically long distance transmission wind wheel reversed in wind-driven generator, the material of cable supporting element mainly was to consider vertically stable or rigidity with structure, and needn't consider the size of moment of torsion; Therefore, the sectional dimension of cable supporting element compare with traditional rotating shaft can be little many.And, because the cable supporting element is not participated in transmitting torque, so the cable supporting element can be connect by the part that multistage has the length of being convenient to manufacturing and forms.Referring to Fig. 6 and Fig. 7, can also comprise the cable supporting element 1 (having illustrated 3 among the figure) more than 2 according to rotating assembly of the present invention, such layout can improve the whole vertical stability of cable supporting element significantly.And transmit in the occasion at common short distance lateral torsion, cable supporting element 1 is not almost had any restriction, thereby great flexibility is provided for the design of rotating assembly.
Fig. 2,4,5,9 illustrates the orientation type between cable supporting element 1 and the capstan winch 3 by way of example.
Like Fig. 4, shown in 5, cable supporting element 1 is constructed to tubular spare.The sectional dimension that is applicable to cable supporting element 1 needs bigger occasion this structure optimization, because tubular spare is saved material and in light weight, helps to reduce cost of material and carrying cost.Accordingly, the intermediate portion of capstan winch 3 is formed with boss 11, and boss 11 can inject the inside of tubular spare 1.The interior shape of the outside of boss 11 and tubular spare 1 can be circular, can be gapped between the two, and be convenient to processing like this, install, and relatively turnable location is provided.The interior shape of the outside of boss 11 and tubular spare 1 also can be identical or different polygonal or other shape, as long as the two can be inserted in together and provide and relatively rotate required certain interval.Should be noted that in the present invention " can relatively rotate " is in order in cable, to produce tensile stress, therefore, according to the situation (seeing below) of for example cable, " can relatively rotate " is changeable.For example, be under the situation of stretched pretreated for example wire rope at cable, " can relatively rotate " only is the trend of relatively rotating just can produce expectation in wire rope tensile stress.The outer shape of tubular spare 1 is cylindrical or any other other shape does not influence enforcement of the present invention, can freely select for use according to processing, assembling or the like various factors.
Shown in Figure 9 according to another embodiment of the invention in, cable supporting element 1 is a kind of rod-like element, on the boss 11 of capstan winch 3, forms the receiving hole 13 that can receive rod-like element 1 accordingly.Certainly, can omit boss 11, and on capstan winch 3, directly form receiving hole 13.Positioning relation between receiving hole 13 and the rod-like element 1, and the positioning relation between boss recited above 11 and the tubular spare 1 is basic identical, repeats no more here.
In another mode of execution (not shown) according to the present invention, cable supporting element and input end capstan winch are one, and the free end of cable supporting element is positioned the output terminal capstan winch with above-described arbitrary mode.The cable supporting element can be an one with the output terminal capstan winch also, and the free end of cable supporting element is positioned the input end capstan winch with above-described arbitrary mode.
In the mode of execution shown in Fig. 6～8, rotating assembly of the present invention comprises 3 (perhaps other quantity) cable supporting elements 1, and the two ends of these cable supporting elements combine with connecting piece 14 respectively.Two connecting pieces 14 then navigate to the intermediate portion of input end capstan winch 3 and the intermediate portion of output terminal capstan winch 4 respectively, and orientation type is identical with the orientation type of the relative capstan winch of cable supporting element.For example, can be integrally formed on the connecting piece 14 with capstan winch 3 on boss 11 or receiving hole 13 corresponding cylindrical portion 15 (Fig. 7) or stem 16 (Fig. 8).As substitute mode, cylindrical portion 15 can be separated with connecting piece 14 with stem 16.
Connecting piece 14 can combine a plurality of cable supporting elements with variety of way known in the art, includes but not limited to weld, the cable supporting element is injected in the hole that forms on the connecting piece, the boss that forms on the connecting piece is inserted in the tubular cable supporting element.The present invention is to the not restriction of profile of connecting piece 14.
According to one embodiment of the present invention (not shown); One end of a plurality of cable supporting elements can directly combine with combination recited above with one in input end capstan winch 3 and the output terminal capstan winch 4, and the other end of a plurality of cable supporting elements utilizes above-mentioned connecting piece 14 to be positioned in input end capstan winch 3 and the output terminal capstan winch 4 another.
In the present invention, cable 2 is to be used for the parts of transmitting torque.See Fig. 1 and 6; Cable 2 is around one or extend spirally more than one cable supporting element 1; Its longitudinal axis with respect to cable supporting element 1 forms certain helix angle, therefore, is divided into certain tilt angle with respect to the edge part of input end capstan winch 3 and output terminal capstan winch 4.When having in relative rotation trend between two capstan winches; The circumferential movement trend of the edge section of input end capstan winch 3 has produced tensile stress in cable 2; And this tensile stress circumferentially decomposites a peripheral force along the edge section of output terminal capstan winch 4; The peripheral force that acts on the edge section of output terminal capstan winch 4 has constituted the moment of torsion that drive output capstan winch 4 rotates, thereby makes output terminal capstan winch 4 along with input end capstan winch 3 rotates, and has realized the transmission of moment of torsion.
Preferably, rotating assembly according to the present invention comprises a plurality of cables 2, and these cables 2 can be along circumferentially evenly distributing in the capstan winch edge section.Non-uniform Distribution also is fine.
In Fig. 1,4,6, the mode of execution shown in 9, these cables 2 can be one decks.In mode of execution shown in Figure 5, what these cables 2 also can be along cable supporting element 1 radially forms multilayer, for example 2 layers, 3 layers etc. from inside to outside.
According to one embodiment of the present invention, these cables 2 can be coiled in identical helix angle on the cable supporting element 1.As substitute mode, these cables 2 also can coil with different helix angles.
According to one embodiment of the present invention, a part of cable can cable supporting element according to clockwise direction coiling on, another part cable can be according to counterclockwise coiling.The advantage of this mode of execution is that rotating assembly can transmit two rightabout rotations.
With Fig. 9 a kind of mode of execution that is used for fixing cable according to the present invention is described referring to Fig. 2～5.As shown in the figure, can on the edge section of capstan winch 3, form through hole 9, cable 2 can pass through hole 9.The end of cable 2 is formed with fixing part 12.Fixing part 12 can be any object that can not pass through through hole 9 that is fixed to cable 2 ends, also can be the part of expanding through cable 2 is formed by knots tied.When needs snugly are fixed together capstan winch 3 and slewing gear 5 (seeing Fig. 1 and Fig. 6); Can deviate from cable 2 at through hole 9 and perhaps form the counterbore 10 of diameter greater than through hole 9 towards a side of slewing gear 5, the degree of depth of counterbore 10 can be held the fixing part 12 of cable 2.Be that through hole 9 can be opened on the side of slewing gear 5 under the situation (not shown) of a part of slewing gear 5 at capstan winch 3.The fixing part 12 of cable 2 can directly be exposed at the side of slewing gear 5.Perhaps, form counterbore in the side of slewing gear 5, fixing part 12 is placed in the counterbore, such design is not only attractive in appearance, and can not interfere with other objects.
Below, the operation according to rotating assembly of the present invention is described.Referring to Fig. 1, input end capstan winch 3 is accepted moment of torsion and begins to rotate from input end slewing gear 5.Because cable supporting element 1 is at least at one end rotatably between location and two capstan winches, so, generation certain relatively rotating (comprising the trend of relatively rotating) between two capstan winches.This between capstan winch relatively rotates to be individually fixed on the capstan winch and in the cable around cable supporting element 1 spiral extension at two ends and produces tensile stress, and this tensile stress is decomposed on the edge section of output terminal capstan winch 4 along circumferential power with perpendicular to the power of output terminal capstan winch 4.The peripheral force that acts on the edge section of output terminal capstan winch 4 has produced the moment of torsion that acts on the output terminal capstan winch 4, and drive output capstan winch 4 rotates, thereby makes output terminal capstan winch 4 along with input end capstan winch 3 rotates, and moment of torsion is exported to output terminal slewing gear 6.
Rotating assembly according to the present invention is to utilize the tensile stress of cable to come transmitting torque.Therefore, do not utilize torsional deformation to come the rotating shaft of transmitting torque in rotating assembly according to the present invention, not existing in state of the art.Therefore, the radial dimension of rotating assembly can be done very for a short time.Especially in long occasion apart from transmitting torque, rotating assembly of the present invention has more advantage, because the cable supporting element in the rotating assembly of the present invention can carry out flexible design, for example segmentation links and uses a plurality of cable supporting elements.
With reference to accompanying drawing the present invention has been carried out concrete description above.But, it should be appreciated by those skilled in the art that top specific descriptions only are given by way of example, be used for illustrative purpose, be not to be to be used for limiting protection scope of the present invention.Protection scope of the present invention only is defined by the claims.Have benefited from instruction of the present invention, those skilled in the art can make various modification, revise or replacement the present invention as the case may be under the situation that does not exceed protection domain of the present invention.Though what the description for example was directed against is the situation that has same configuration at input end capstan winch 3 and output terminal capstan winch 4,, the two can adopt different forms.As a kind of modification, input end capstan winch 3 can have structure shown in Figure 2, and output terminal capstan winch 4 can be used as the part of output terminal slewing gear 6.Similarly, the combination to the different mode of executions of above-described different structure carry out also can obtain different modification.
Claims (11)
1. a rotating assembly is characterized in that, comprising:
Accept the input end capstan winch of moment of torsion;
The output terminal capstan winch of output torque;
The cable supporting element; One end of said cable supporting element is positioned the intermediate portion of said input end capstan winch; The other end is positioned the intermediate portion of said output terminal capstan winch, and at least one location in the location of the location of the said relatively input end capstan winch of said cable supporting element and the said relatively output terminal capstan winch of said cable supporting element is relatively turnable location;
Cable, said cable is around said cable supporting element spiral extension, and an end of said cable is fixed in the edge section of said input end capstan winch, and the other end is fixed in the edge section of said output terminal capstan winch.
2. rotating assembly as claimed in claim 1; It is characterized in that; Said cable supporting element is a tubular spare; Said input end capstan winch and said output terminal capstan winch comprise respectively can insert the inner boss of said tubular spare, and at least one in the boss of said tubular spare and said input end capstan winch and the boss of said output terminal capstan winch can relatively rotate.
3. rotating assembly as claimed in claim 1; It is characterized in that; Said cable supporting element is a rod-like element; Said input end capstan winch and said output terminal capstan winch comprise the receiving hole that can admit said rod-like element respectively, and at least one in the receiving hole of said rod-like element and said input end capstan winch and the receiving hole of said output terminal capstan winch can relatively rotate.
4. rotating assembly as claimed in claim 1; It is characterized in that; Said input end capstan winch and said output terminal capstan winch respectively on the edge of part comprise the through hole that said cable can pass, the size of the fixing part that said through-hole diameter forms less than the end at said cable.
5. rotating assembly as claimed in claim 4; It is characterized in that; End that deviates from said cable at said through hole is formed with the counterbore of diameter greater than the diameter of said through hole, and the diameter of said counterbore and the degree of depth can be contained in the fixing part of the end formation of said cable.
6. rotating assembly as claimed in claim 1 is characterized in that, said cable is handled through pre-stretching.
7. like each described rotating assembly in the claim 1 to 6, it is characterized in that said rotating assembly comprises a plurality of cables.
8. rotating assembly as claimed in claim 7 is characterized in that, said a plurality of cables extend around said cable supporting element to be divided into two-layer at least form from said cable supporting element radially outward.
9. rotating assembly as claimed in claim 7 is characterized in that, a part of cable in said a plurality of cables extends around said cable supporting element according to clockwise direction, and another part cable is according to counterclockwise extending around said cable supporting element.
10. rotating assembly as claimed in claim 7 is characterized in that, said a plurality of cables extend around said cable supporting element according to different helix angles.
11. rotating assembly as claimed in claim 1; It is characterized in that; Said rotating assembly comprises a plurality of cable supporting elements; At least one end of said a plurality of cable supporting elements is combined by connecting piece, and is positioned rotatably in said input end capstan winch and the said output terminal capstan winch through said connecting piece.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102748485A CN102384151A (en) | 2010-09-06 | 2010-09-06 | Rotating shaft assembly |
| PCT/CN2011/079370 WO2012031548A1 (en) | 2010-09-06 | 2011-09-06 | Rotatable shaft assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102748485A CN102384151A (en) | 2010-09-06 | 2010-09-06 | Rotating shaft assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102384151A true CN102384151A (en) | 2012-03-21 |
Family
ID=45810126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102748485A Pending CN102384151A (en) | 2010-09-06 | 2010-09-06 | Rotating shaft assembly |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102384151A (en) |
| WO (1) | WO2012031548A1 (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD49086A (en) * | ||||
| FR998873A (en) * | 1949-11-02 | 1952-01-24 | Firme Techno Product G M B H | Flexible drive shaft |
| US2917909A (en) * | 1956-09-28 | 1959-12-22 | Josutis Willi | Flexible joints |
| GB877683A (en) * | 1959-01-13 | 1961-09-20 | Allysatent Ag | Improvements in or relating to flexible couplings for transmitting torque |
| US3726133A (en) * | 1971-07-13 | 1973-04-10 | Gen Motors Corp | Flexible torque transmitting unit |
| US4031713A (en) * | 1974-04-30 | 1977-06-28 | Driver W B | Flexible drill pipe |
| GB2142944A (en) * | 1983-06-24 | 1985-01-30 | Heico Inc | Sewer cable and manufacturing method |
| US5803812A (en) * | 1995-08-07 | 1998-09-08 | Toyota Jidosha Kabushiki Kaisha | Flexible shaft structure for transmitting high torque |
| CN201779124U (en) * | 2010-09-06 | 2011-03-30 | 高则行 | Rotating shaft component |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2949753A (en) * | 1959-07-14 | 1960-08-23 | Rene A Menoni | Flexible tool |
| US3435905A (en) * | 1966-03-29 | 1969-04-01 | Lazarus & Peyser Associates | Tool and method of manufacturing the same |
| US4149391A (en) * | 1975-11-25 | 1979-04-17 | W B Driver | Flexible drill pipe |
-
2010
- 2010-09-06 CN CN2010102748485A patent/CN102384151A/en active Pending
-
2011
- 2011-09-06 WO PCT/CN2011/079370 patent/WO2012031548A1/en active Application Filing
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD49086A (en) * | ||||
| FR998873A (en) * | 1949-11-02 | 1952-01-24 | Firme Techno Product G M B H | Flexible drive shaft |
| US2917909A (en) * | 1956-09-28 | 1959-12-22 | Josutis Willi | Flexible joints |
| GB877683A (en) * | 1959-01-13 | 1961-09-20 | Allysatent Ag | Improvements in or relating to flexible couplings for transmitting torque |
| US3726133A (en) * | 1971-07-13 | 1973-04-10 | Gen Motors Corp | Flexible torque transmitting unit |
| US4031713A (en) * | 1974-04-30 | 1977-06-28 | Driver W B | Flexible drill pipe |
| GB2142944A (en) * | 1983-06-24 | 1985-01-30 | Heico Inc | Sewer cable and manufacturing method |
| US5803812A (en) * | 1995-08-07 | 1998-09-08 | Toyota Jidosha Kabushiki Kaisha | Flexible shaft structure for transmitting high torque |
| CN201779124U (en) * | 2010-09-06 | 2011-03-30 | 高则行 | Rotating shaft component |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012031548A1 (en) | 2012-03-15 |
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Application publication date: 20120321 |