Transmission system for energy generation

FIELD: machine building.

SUBSTANCE: transmission (10) is supported by turbine (5) housing and includes inlet (12), outlet (20) and gear train (14, 16) between inlet and outlet, which is intended to increase the rotation speed at the outlet in comparison to the inlet. Gear train includes many gear wheels for transmission of torque from inlet to outlet. Transmission also includes static carrier (44) of stage of planetary transmission (14), which is elastically connected to housing (50) of turbine to receive reactive torque of a single elastic gear train. Transmission also includes elastic support that includes extended torsional element (60) designed for elastic twisting around torsional axis (C).

EFFECT: improvement of turbine transmission design.

11 cl, 12 dwg

 

The present invention relates to a transmission system, particularly, but not exclusively, intended to bring the rotation of the generator or the like by rotating the primary motor driven by the fluid, such as wind or tidal turbine.

It is generally accepted that larger turbines, such as wind turbines, generating electricity to feed it into the grid, require large and heavy supporting structures, because they are exposed to powerful forces that act in many directions. The normal response regarding the perception of these powerful forces is making a very strong and stiff casing of the turbine. Because of the large turbines can rotate relatively slowly, they have a very high torque and normal is to increase the low-speed rotation by the use of a multiplying gear as part of the turbine casing for a more useful speed.

In order to avoid misalignment of used gears, turbine housing, which is based on gear, you need to make even more rigid, so that it is not deformed, not only under the influence of the changing forces of the turbine, but also under the influence of internal torque in gear. In prom is slavnosti known low-speed gear, designed for transferring large torque to slow the movement of heavy equipment, but such programs do not solve the problems mentioned above. The inventors have realized that improving the design of the transmission turbine will be sent at least to the problems mentioned above.

The present invention provides a transmission intended for use in energy production from the turbine driven by a fluid medium, and the transmission includes an input and output and a gear mechanism between the input and output, intended for increasing the rotational speed of the output compared to the input, and the gear train includes many gears to transfer torque from input to output, and the transmission also includes in General a static element which engages with one or more gears in the specified mechanism between the input and output to obtain the reactive torque of a single elastic gear mechanism.

Preferably, the transmission also includes an elastic support static element, designed to provide limited elastic rotation of the specified element around the axis of the static element.

More preferably, the inlet can be rotated around the axis of the entrance, and the axis of the static element and the axis of the entrance are what I essentially coaxially.

Even more preferably elastic support includes extended torsion element intended for elastic twisting around the torsion axis.

In one embodiment, the implementation of the torsion element has two ends and a first lever arm attached adjacent to one end of a torsion element, and the first arm extends in a General radial direction away from the torsion axis.

It is also desirable that the transfer also included a first link connecting the static element in the first area being separated by a gap from the axis of the element, with the first lever, and designed for the transfer of reactive torque between the static element and the torsion element to perform the specified twisting specified torsion element.

In a variant implementation includes a second lever placed near another end of the torsion element, and the second link provides the connection of a static element on the second area being separated by a gap from the axis of the element and opposing the first section, with the second lever to transmit torque to the torsion element in the opposite direction to the torque transmitted by the first link.

Preferably the torsion axis is essentially perpendicular to the axis of the static element, but separated therefrom by a gap.

p> In a variant implementation, the transmission includes a cover which is attached to the element and supports at least part of the weight transfer, but is exposed to a small torque from the entrance or in General it is not exposed.

Optionally, the gear train includes at least a first planetary gear mechanism forming the first transmission of torque and having a first toothed ring, the first planetary gear and the first sun gear, and in General a static element includes a pinion carrier of the first planetary gear set.

Preferably, the first toothed ring is connected directly to the input to drive the first planetary gear set and the first planetary gear is adapted to drive the first sun gear.

More preferably, the gear train includes a second planetary gear mechanism forming a second path of torque transmission, and the first and second paths divide torque from the entrance, and only the first mechanism is in General a static element.

In the case of the use of the second planetary gear mechanism he can have a second toothed ring, the second planetary gear and the second sun gear, the first sun gear operates the actuator of the second subca the CSOs ring in the process of applying and the second sun gear driven by the input in the process of application.

Preferably, the first planetary gear mechanism adapted to transfer approximately two thirds of the power received at the input, and the second planetary gear mechanism is adapted for combining the two-thirds power from the first mechanism, with the remaining third input power.

The invention extends to a support for the turbine driven by a fluid medium, and the bearing includes a turbine housing forming a rotary bearing for the turbine and the gear transmission for transmitting torque from the turbine to the generator, and elastically movable element mounted on the turbine housing and cooperating gear for elastic response to torque in gear.

The invention also extends to a host of supports for the turbine driven by a fluid medium and a transmission, which includes a turbine housing and a transmission intended for use in generating energy from a turbine driven by a fluid medium, and the transmission includes an input and output and the design of the gear mechanism between the input and output, designed to increase the rotation speed of the output compared to the input, and the design of the gear mechanism comprises in General a static element coupled to the housing of the turbine mechanism and essentially Ogre is reduced by the specified mechanism in one of the degrees of freedom only relative to the housing of the turbine.

Preferably this limitation is elastic and the specified one degree of freedom is rotation.

More preferably, the specified rotation was rotation about an axis coaxial with the axis of the entrance.

Usually static element is a planetary carrier of the planetary gear mechanism.

Invention extends to any novel elements described herein, and any new combination of characteristics described here, regardless of whether described or not these features in this combination.

The invention can be implemented in various ways. Two servants illustration of embodiments of the invention described below as an example with reference to the drawings, in which:

figure 1 shows a simplified schematic representation of a transmission that is installed on the housing of the wind turbine;

figure 2 shows a sectional transmission designed according to the schematic diagram in figure 1;

figure 3 shows a visual representation of the transmission parts shown in figure 2, together with support;

on Figa and 4b show two different visual representations of the parts shown in figure 2 and 3, as part of a block of a turbine casing;

figure 5 shows the power flows of the transmission shown in figure 2.

Figure 6-10 shows the second version of the transmission of the wind turbine, similar to lane the cottage, shown in Figure 1-5, respectively.

1 shows a transmission 10, which provides increased rotational drive wind turbine 5 to exit 20. Usually will require increasing a gear ratio of 1:15 with the possibility of a higher and lower relations. The transmission 10 has an input shaft 12, which causes the rotation of the two planetary gear mechanism 14 and 16, which divide the power from the input into two streams a and B. the Turbine 5 and the transmission 10 is supported by the turbine housing 50.

In flow And power is applied to the toothed ring 24 of the mechanism 14. The ring 24 carries a drive sprocket, that is, the group of planetary gears, the centers of rotation which is fixed, in General, a static element in the form of a planetary carrier 44. Rotating the planetary gear 34 is carried out, in turn, drive the sun gear 54.

In the flow of the power from the input to the planetary carrier 46. Power from the engine 14 also served on the toothed ring 26 of the mechanism 16. Thus, both the power flux a and b are combined to drive the sun gear 56. In turn, the sun gear 56 provides output drive 20 through an additional pair of top gear 18.

The transmission has bearings 45, 47, 48, 51 and 52, which support the weight of the transmission 10 and provide relative to the alignment of the gears in the transmission 10. The transmission 10 has a cover 22 which is not susceptible to torsional loads. The transmission 10 is positioned so that the reactive torque that is designed to stop the rotation of the transfer, is required only on the carrier 44. This reaction is elastic, so that the whole transmission can be twisted relative to the turbine casing 50, and any sudden increase in torque can be smoothed by a twisting of the carrier 44.

Bearing carrier 44 is provided by a torsion element, which in this case is a tube 60 that is installed on the holder of the turbine 50, and may be twisted about the axis and, thus, allow the cage 44 to curl around the axis of rotation D at the time when the carrier 44 is forcing the connecting rod 62 and the torsion lever 64 to twist the torsion element 60.

Figure 2 shows a more detailed view of the transmission 10 shown in figure 1. The same reference position in figure 1 and 2 are denoted by the same details. It should be noted that drove 44 mounted directly on the cover 22, but the cover is not exposed to significant twisting, despite the fact that it bears the weight of the transmission 10.

Figure 3 shows the carrier 44, as shown in figure 2, with no other details of the transfer, together with the torsion tube 60, the torsion levers 64 and the connecting rods 62. In the process of using led can POWERCIAT is camping within a limited range around the axis D. In addition, a compatible movement is possible in linear directions X, Y and z Torsion tube 60 is forcibly twisted around its axis With torque forces applied to the cage 44 and transmitted to the torsion tube through the connecting rods 62 and torsion levers 64.

On Figa shows the turbine housing 50 is assembled with the torsion tube 60, and the transmission 10 is connected with the torsion tube 60 through the connecting rods 62 and torsion levers 64. The torsion tube 60 is installed on the turbine housing 50 so that it can rotate around its axis C. When using a torque on the carrier 44 generates upward-directed efforts on one connection-drawn and aimed downward force on the other. These efforts connecting rods cause twisting of the pipe 60. In practice, this twisting is a reaction to the twisting applied to the cage 44 in the transmission 10, so maybe only a limited elastic rotation was taken.

Figure 5 shows a further view of the transmission 10, illustrating the percentage of power transmitted by the streams a and B. In this case, due to the placement of gear wheels and the selection of the number of teeth on the wheels approximately two-thirds (65%) power passes through the stream and approximately one third (35%) power passes through the flow Century. Streams a and b are combined at the output.

6-10 meet 1-5, and the same items marked with the same numeric positions with the additional prefix "1", for example the input shaft of the turbine is designated as the shaft 12 figure 1-5 and as the shaft 112 figure 6-10.

You can make links to the corresponding 1-5 for a description of the operation of the transmission shown in Fig.6-10, although the following describes the differences between the transmission 10 and 110.

In the transmission 10 described above, the planetary gear mechanism 16, which contains the star mechanism 34, and led 44, is located farther from the entrance 12 than the gear train 14. In contrast, in the transmission 110 gears 114 and 116, which correspond to the gear mechanisms 14 and 16, an inverted so that the gear train 116 is now closer to the entrance 112 than the gear train 114. The principles of operation of the transmission 110 in all other respects are the same as those of the transmission 10, except that the carrier is farther away from the entrance. It should be noted that the cover 122 is rotated, since it forms part of the timing mechanism. Cover 122 is simply transmits torque and bears the weight, but not exposed to external forces. The same division of power is provided between threads a and b, and this is expressed in quantitative form and is illustrated in Figure 10. On Figa and 9b shows the turbine housing 150 so that the parts of the body visible in the drawing, although in practice, the housing 150 is not transparent is Noah metal casting.

Transmission is illustrated and described above have the advantage that the gear guard 22/122 and, respectively, the gears in gear in General mechanically isolated from the surrounding structure, in this case the housing of the wind turbine 50/150, and thus, any bowing of the casing of the turbine is not converted to misalignment of gear wheels or the tension of the toothed wheels. This prolongs the life of gears and increases efficiency.

Transfer 10/110 be placed so that, in addition, they are supported in such a way that the toothed wheel transmission remain in contact with each other and so that supported their weight, only one static element 44/144 gear mechanism is limited to one degree of freedom relative to the housing of the turbine 50/150. This degree of freedom is rotation, in this case around the axis of the entrance. The limitation in this case is elastic, so that the attached elastic freedom of rotation, allowing a limited rotation of forced return back to the original initial rotation. Motion static element 44/144 in any other sense relative to the housing of the turbine 50/150 is not limited to elastic stop rotation, i.e. details 62/162, 64/164 or 60/160 do not create limitations in three linear degrees of freedom, and no exhaust gas is anichini in two degrees of freedom rotation. As a result, the transfer 10/110 has no external stress that came with it in the process, except in response to impact with the aim of turning a static element 44/144. This, in turn, gives the transfer, which does not require having a large rigidity of the casing and which is subjected to a lower operating voltages. Output 20/120 can be connected to a generator or the like flexible coupling, so that the transfer 10/110 not subjected to stress when the easy movement of the transmission during the rotation.

Although there have been described and illustrated only two embodiments of the invention, the obvious possibility of various modifications, alternatives, adaptations and TPV the scope of the invention described here. Described one example of a torsion tube 60/160 and connecting rods 62/162, but you can use other opposing twisting elements, for example, for twisting the torsion tube may be used to a connecting rod, one end of the pipe attached to the turbine housing, or the resistance to rotation can be used one simple bracket or elastomeric element, responsive to torque, can be attached between the static transmission element 10/110 and turbine housing 50/150.

1. Transmission intended for use in energy production from the turbine-driven t is a bunch of environment, moreover, the transmission includes an input and output, and a gear mechanism between the input and output, intended for increasing the rotational speed of the output compared to the input, and the gear train includes many gears to transfer torque from input to output, and the transmission also includes in General a static element which engages with one or more toothed wheel of the specified gear mechanism between the input and output to obtain the reactive torque of a single elastic gear mechanism, and the transmission also includes an elastic support for a static element, designed to provide limited elastic rotation specified static element around the axis of the static element, characterized in that the elastic support includes extended torsion element intended for elastic twisting around the torsion axis.

2. Transmission according to claim 1, in which the input can be rotated around the axis of the entrance, and the axis of the static element and the axis of the entrance are essentially coaxial.

3. Transmission according to claim 1 or 2, in which the torsion element has two ends and a first lever arm attached adjacent to one end of a torsion element, and the first arm extends in a General radial direction away from the torsion axis and the transmission is also incorporates both a first connection, connecting a static element in the first area being separated by a gap from the axis of the element, with the first lever, and designed for the transfer of reactive torque between the static element and the torsion element to perform the specified twisting specified torsion element.

4. Transmission according to claim 3, in which is provided a second lever placed near another end of the torsion element, and the second link provides the connection of a static element on the second area being separated by a gap from the axis of the element and opposing the first section, with the second lever to transmit torque to the torsion element in the opposite direction to the torque transmitted by the first link.

5. Transmission according to claim 3, in which the torsion axis, essentially, is perpendicular to the axis of the static element, but separated therefrom by a gap.

6. Transmission according to claim 1, in which the transmission includes a cover which is attached to a static element and supports at least part of the weight transfer.

7. Passing by. claim 1, in which the gear train includes at least a first planetary gear mechanism forming the first transmission of torque and having a first toothed ring, the first planetary gear and the first sun gear, and in General static the item includes the carrier of the first planetary gear set.

8. Transmission according to claim 7, in which the first toothed ring is connected directly to the input to drive the first planetary gear set and the first planetary gear is adapted to drive the first sun gear.

9. Transmission according to claim 7, in which the gear train includes a second planetary gear mechanism, combining the power from the first transmission of torque from the second transfer path of torque, and the first and second paths divide torque from the entrance, and only the first gear mechanism is in General a static element.

10. Transmission according to claim 9, in which the second planetary gear mechanism has a second toothed ring, the second planetary gear and the second sun gear, the first sun gear operates the actuator of the second toothed ring in the process of applying and the second sun gear driven by the input in the process of application.

11. Transmission according to claim 9 or 10, in which the first planetary gear mechanism adapted to transfer approximately two thirds of the power received at the input, and the second planetary gear mechanism is adapted for combining the two-thirds power from the first gear mechanism with the remaining third input power.



 

Same patents:

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2 cl, 2 dwg

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2 cl, 4 dwg

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7 cl, 15 dwg

FIELD: machine building.

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5 cl, 3 dwg

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Planetary gear // 2466314

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3 dwg

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2 dwg

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2 cl, 2 dwg

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4 cl, 2 dwg

Planetary gear // 2462631

FIELD: machine building.

SUBSTANCE: planetary gear comprises a master eccentric carrier (1), four satellites (2) with external teeth and holes, installed onto spherical rolling bearings (3), a central wheel (4) with internal teeth, a disc (5) with holes, rigidly connected with a master shaft (7), and installed in holes of satellites (2) and the disc (5) freely, movably short and long rollers (8, 9). Rolls (8, 9) in the form of their coupling with satellites (2) are arranged with surfaces in the form of a hyperboloid of rotation, and in areas of coupling with the disc (5) - in the form of a truncated ellipsoid. Satellites (2) and the disc (5) are arranged with surfaces corresponding to surfaces of rollers (8, 9). Short rollers (8) are coupled with two middle satellites (2), and long rollers (9) - with two extreme satellites (2).

EFFECT: invention makes it possible to increase loading capacity of a planetary gear.

3 dwg

Multipinion gearing // 2461753

FIELD: machine building.

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EFFECT: uniform loading, simplified design.

5 dwg

FIELD: machine building.

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EFFECT: invention provides for takeoff and achievement of working heights of a device independent on wind condition on earth.

12 cl, 6 dwg

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