CN117485555A - Pitch-variable speed-variable rotor wing - Google Patents
Pitch-variable speed-variable rotor wing Download PDFInfo
- Publication number
- CN117485555A CN117485555A CN202310279324.2A CN202310279324A CN117485555A CN 117485555 A CN117485555 A CN 117485555A CN 202310279324 A CN202310279324 A CN 202310279324A CN 117485555 A CN117485555 A CN 117485555A
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- variable
- pitch
- sliding
- gear ring
- speed
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- 230000008859 change Effects 0.000 claims abstract description 38
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 14
- 239000003638 chemical reducing agent Substances 0.000 claims description 11
- 230000000694 effects Effects 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 description 9
- 238000006073 displacement reaction Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 230000007547 defect Effects 0.000 description 5
- 230000000670 limiting effect Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 244000309464 bull Species 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 238000005267 amalgamation Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001603 reducing effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/54—Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/54—Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement
- B64C27/58—Transmitting means, e.g. interrelated with initiating means or means acting on blades
- B64C27/59—Transmitting means, e.g. interrelated with initiating means or means acting on blades mechanical
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/54—Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement
- B64C27/58—Transmitting means, e.g. interrelated with initiating means or means acting on blades
- B64C27/59—Transmitting means, e.g. interrelated with initiating means or means acting on blades mechanical
- B64C27/605—Transmitting means, e.g. interrelated with initiating means or means acting on blades mechanical including swash plate, spider or cam mechanisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D35/00—Transmitting power from power plants to propellers or rotors; Arrangements of transmissions
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Retarders (AREA)
Abstract
The invention provides a variable-pitch variable-speed rotor wing, which is applied to the field of rotor wings, and the technical scheme is as follows: comprising the following steps: the shell is rotationally connected with an input shaft and an output shaft; the rotary rod is rotationally connected to the output shaft and driven to rotate by the input shaft, the axial direction of the rotary rod is parallel to the axial direction of the output shaft, large planetary gears and small planetary gears are fixed on the rotary rod, a large gear ring and a small gear ring which slide along the axial direction of the rotary rod are assembled in the shell, and the large gear ring and the small gear ring cannot rotate along the radial direction of the large gear ring and the small gear ring; the speed change assembly is used for controlling the large gear ring and the small gear ring to be meshed with the large planetary gear and the small planetary gear respectively; the rotating seat rotates along with the output shaft, a tailstock is rotationally connected to the rotating seat, the direction of a rotating shaft of the tailstock is perpendicular to the axis direction of the output shaft, and a paddle is assembled on the tailstock; a pitch mechanism for controlling rotation of the tailstock to thereby control pitch of the blades; the method has the technical effects that: the pitch and rotational speed of the blades can be varied to improve rotor operability.
Description
Technical Field
The invention relates to the field of rotary wings, in particular to a variable-pitch variable-speed rotary wing.
Background
The rotor is an industrial product with wide application, is mainly applied to air loaders such as military, agriculture and industry, is suitable for various types of multi-rotor aircraft, and is especially suitable for double-pitch tiltrotors, the pitch and the pitch speed of the rotor are two important indexes influencing the flight of the rotorcraft, the pitch speed refers to the rotation speed of the rotor, the pitch refers to the advancing distance of the rotor when rotating for a circle, an included angle exists between the rotor and the peripheral surface of the rotor, and the larger the included angle is, the larger the pitch is; at present, most of multiple rotors are controlled by a fixed-pitch speed changing mode, the pitch is fixed, the control of the rotors is realized completely by changing the rotating speed, the fixed-pitch speed changing mode has the defects of low efficiency and high operation difficulty although the manufacturing cost is low, the defects can be overcome by adopting the fixed-pitch speed changing mode, the performance of the rotor with the fixed-pitch speed changing mode still has the defects when the rotor with the fixed-pitch speed changing mode is used, the rotor with the fixed-pitch speed changing mode is only biased to one side in the aspects of performance and endurance due to the fixed rotating speed of the blades, and meanwhile, the rotating speed of the rotorcraft still has the defects in operability.
Disclosure of Invention
The invention aims to provide a variable-pitch variable-speed rotor, which has the advantage of being capable of changing the pitch and the rotating speed of blades, thereby improving the operability of the rotor.
To achieve the above and other related objects, the present invention provides the following technical solutions: a torque and speed rotor comprising:
the shell is rotationally connected with an input shaft and an output shaft;
the rotary rod is rotationally connected to the output shaft and driven to rotate by the input shaft, the axial direction of the rotary rod is parallel to the axial direction of the output shaft, large planetary gears and small planetary gears are fixed on the rotary rod, a large gear ring and a small gear ring which slide along the axial direction of the rotary rod are assembled in the shell, and the large gear ring and the small gear ring cannot rotate along the radial direction of the large gear ring and the small gear ring;
a speed change assembly for controlling the large gear ring and the small gear ring to be meshed with the large planetary gear and the small planetary gear respectively;
the rotating seat rotates along with the output shaft, a tailstock is rotationally connected to the rotating seat, the direction of a rotating shaft of the tailstock is perpendicular to the axis direction of the output shaft, and a paddle is assembled on the tailstock; the method comprises the steps of,
and the pitch-varying mechanism is used for controlling the tailstock to rotate so as to control the pitch of the blade.
According to the technical scheme, the speed change assembly controls the large gear ring and the small gear ring to be meshed with the large planetary gear and the small planetary gear respectively to realize speed change, when the large gear ring is meshed with the large planetary gear, the large planetary gear makes revolution motion around the input shaft on the large gear ring under the limiting action of the large gear ring, the large planetary gear drives the rotary rod to revolve while revolving, and then drives the output shaft to rotate, so that the speed reduction effect is realized, at the moment, the output shaft is in a slow rotation state, and when the small gear ring is meshed with the small planetary gear, the output shaft is in a high rotation state, and the rotation speed of the blade is changed by enabling the large gear ring and the small gear ring to be meshed with the large planetary gear and the small planetary gear respectively; the pitch-changing mechanism adjusts the pitch of the blade; according to the scheme, the rotating speed of the blades is changed through the speed changing assembly, the pitch of the blades is changed through the pitch changing mechanism to realize pitch changing and speed changing, and the rotor wing has high operability.
In an embodiment of the present invention, the large planetary gear and the small planetary gear are fixed on the rotating rod at intervals, the large gear ring is fixedly connected with the small gear ring, and the large gear ring and the small gear ring are respectively in a disengaged state with the large planetary gear and the small planetary gear when the large gear ring and the small gear ring are positioned between the large planetary gear and the small planetary gear.
Through the technical scheme, the large gear ring and the small gear ring are in a neutral gear state when being in a separation state with the large planetary gear and the small planetary gear respectively, at the moment, the input shaft cannot drive the output shaft to rotate, and the large gear ring and the small gear ring are driven to slide towards the large planetary gear and the small planetary gear respectively, so that the gear can be shifted to a high-speed gear or a low-speed gear; and when shifting gears, the large gear ring and the small gear ring slide towards the same direction to finish gear shifting, and the gear shifting is simple and convenient.
In one embodiment of the present invention, the transmission assembly includes:
the gear shifting sliding rod is fixedly connected with the big gear ring and the small gear ring and is assembled on the shell in a sliding manner, and the gear shifting sliding rod penetrates through the shell and has the same sliding direction as the sliding direction of the big gear ring and the small gear ring; a variable speed support fixed to the housing; the speed change rotating shaft is rotationally connected with the speed change support frame, and the axis direction of the speed change rotating shaft is perpendicular to the sliding direction of the speed change sliding rod; one end of the speed change connecting rod is fixed on the speed change rotating shaft, and the other end of the speed change connecting rod is assembled on the speed change sliding rod; and a variable speed driving device for driving the variable speed rotating shaft to rotate.
Through above-mentioned technical scheme, variable speed drive device drive variable speed pivot rotation and then drive variable speed connecting rod is rotatory, and the variable speed connecting rod can change when rotatory highly of the one end that the variable speed connecting rod kept away from the variable speed pivot, and then drives the variable speed and slide the pole and slide, and the variable speed slides the pole and drives bull gear and little ring gear in the in-process of sliding and slide, and then makes bull gear and little ring gear mesh with bull planetary gear and little planetary gear respectively or break away from with the two, realizes the switching between high-speed gear, low-speed gear and neutral gear.
In an embodiment of the invention, the distance-varying mechanism includes:
the variable-pitch sliding sleeve is assembled on the shell in a sliding manner, and the sliding direction of the variable-pitch sliding sleeve is the same as the axis direction of the output shaft; the rotary sliding sleeve is rotationally connected with the variable-pitch sliding sleeve, and the direction of the rotating shaft is the same as the sliding direction of the variable-pitch sliding sleeve, and the rotary sliding sleeve slides along with the variable-pitch sliding sleeve; a variable-pitch wing plate fixed on one side of the tailstock; one end of the variable-pitch connecting rod is rotationally connected with the variable-pitch sliding sleeve, the other end of the variable-pitch connecting rod is rotationally connected with the variable-pitch wing plate, and the variable-pitch sliding sleeve drives the variable-pitch wing plate to rotate through the variable-pitch connecting rod when sliding; and the sliding driving assembly is used for driving the variable-pitch sliding sleeve to slide.
Through above-mentioned technical scheme, the drive assembly that slides drives the displacement sliding sleeve and slides on the casing, and then drives rotatory sliding sleeve and slide on the casing, and the interval of rotatory sliding sleeve and tailstock can change at the in-process that slides, and then makes displacement connecting rod and displacement pterygoid lamina rotate, and the displacement pterygoid lamina drives the tailstock rotatory at rotatory in-process, and then changes the angle of paddle, changes the pitch of paddle, and when the rotating seat drive paddle was rotatory, rotatory sliding sleeve, displacement connecting rod and displacement pterygoid lamina can take place to rotate in step.
In one embodiment of the present invention, the slip driving assembly includes:
a slip support fixed to the housing; the middle position is rotationally connected with a sliding rotary rod of the sliding support frame, and the rotating shaft direction of the sliding rotary rod is perpendicular to the sliding direction of the variable-pitch sliding sleeve; the sliding connecting block is fixed on the variable-pitch sliding sleeve, one end of the sliding rotating rod is assembled on the sliding connecting block, and the sliding connecting block slides when the sliding rotating rod rotates; and the sliding driving device is used for driving one end of the sliding rotating rod far away from the sliding connecting block to rotate.
Through above-mentioned technical scheme, the one end rotation of connecting block is kept away from to the rotary rod that slides in the drive that slides, and the one end that the rotary rod is connected with the connecting block that slides in the rotation process can take place the rotation in step, and the height of the one end that the rotary rod is connected with the connecting block that slides in the rotation process can change, and then makes the height of the connecting block that slides change, and then drives the displacement sliding sleeve and slide.
In one embodiment of the present invention, the input shaft is circumferentially provided with tooth grooves in the radial direction, and the tooth grooves on the input shaft are meshed with the large planetary gear.
Through above-mentioned technical scheme, the input shaft rotation can directly drive big planetary gear and rotate, and then through the connection effect drive little planetary gear rotation of dwang, need not to use extra transmission, reduces the loss of energy.
In an embodiment of the invention, the tailstock is provided with a plurality of annular seats on the rotating seat, and the variable-pitch wing plates and the variable-pitch connecting rods are correspondingly provided with a plurality of variable-pitch sliding sleeves which are connected with one variable-pitch sliding sleeve together.
Through above-mentioned technical scheme, a plurality of paddles are installed to a plurality of tailstocks to obtain bigger driving force, a plurality of tailstocks pass through a displacement sliding sleeve angle of adjustment, can make the pitch of a plurality of paddles change in step, facilitate the use.
In an embodiment of the present invention, the variable speed driving device is configured as a servo motor with a speed reducer, a driving tooth is fixed on a rotating shaft of the speed reducer, a driven tooth is fixed on the variable speed rotating shaft, and the driving tooth is meshed with the driven tooth.
Through above-mentioned technical scheme, servo motor drives the initiative tooth rotation under the deceleration effect of reduction gear, and then drives the variable speed pivot rotation through the transmission effect of driven tooth, servo motor can forward and reverse rotation, and then can control big ring gear and little ring gear reciprocal slip, realizes the process of shifting.
In an embodiment of the invention, the sliding driving device is a servo motor with a speed reducer, and the sliding rotating rod is driven to rotate by a crank mechanism.
Through the technical scheme, the servo motor drives the sliding rotary rod to rotate under the transmission action of the crank mechanism, and then the variable-pitch sliding sleeve can be driven to reciprocate by the rotating shaft of the servo motor to drive the variable-pitch sliding sleeve to reciprocate, and the speed reducer plays a role in speed reduction.
As described above, the variable-pitch variable-speed rotor wing has the following beneficial effects:
the speed change assembly controls the large gear ring and the small gear ring to be meshed with the large planetary gear and the small planetary gear respectively to realize speed change, when the large gear ring is meshed with the large planetary gear, the large planetary gear makes revolution motion around the input shaft on the large gear ring under the limiting action of the large gear ring, the large planetary gear drives the rotary rod to revolve while revolving, and then drives the output shaft to rotate, so that the speed reduction effect is realized, at the moment, the output shaft is in a slow rotation state, and when the small gear ring is meshed with the small planetary gear, the output shaft is in a high rotation state, and the rotation speed of the blade is changed by enabling the large gear ring and the small gear ring to be meshed with the large planetary gear and the small planetary gear respectively; the pitch-changing mechanism adjusts the pitch of the blade; according to the scheme, the rotating speed of the blades is changed through the speed changing assembly, the pitch of the blades is changed through the pitch changing mechanism to realize pitch changing and speed changing, and the rotor wing has high operability.
Drawings
FIG. 1 is a schematic overall construction of an embodiment of the present invention;
FIG. 2 is an overall cross-sectional view of an embodiment of the present invention;
FIG. 3 is another angular cross-sectional view of an embodiment of the present invention;
fig. 4 is a schematic structural view of a pitch mechanism according to an embodiment of the present invention.
Reference numerals: 1. a housing; 2. an input shaft; 3. an output shaft; 4. a rotating rod; 5. large planetary teeth; 6. minor planetary teeth; 7. a speed change assembly; 8. a pitch-changing mechanism; 9. a transmission ball head; 10. a large gear ring; 11. a small gear ring; 12. a rotating seat; 13. a tailstock; 14. a paddle; 15. a main body portion; 16. a connection part; 17. a sliding part; 18. a driving tooth; 19. driven teeth; 71. a shift slide lever; 72. a variable speed support; 73. a variable speed rotating shaft; 74. a variable speed connecting rod; 75. a variable speed drive; 81. a variable-pitch sliding sleeve; 82. a variable-pitch wing plate; 83. a variable-pitch connecting rod; 84. a slip drive assembly; 85. rotating the sliding sleeve; 841. a sliding support frame; 842. a sliding rotary rod; 843. a sliding connecting block; 844. and a slip driving device.
Detailed Description
Further advantages and effects of the present invention will become apparent to those skilled in the art from the disclosure of the present invention, which is described by the following specific examples.
Please refer to fig. 1 to 4. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the invention to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the invention, are not intended to be critical to the essential characteristics of the invention, but are intended to fall within the spirit and scope of the invention. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the invention, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the invention may be practiced.
Referring to fig. 1 and 2, the present invention provides a rotor with variable pitch and variable speed, comprising:
the casing 1, casing 1 is formed by the concatenation of triplex, be main part 15 respectively, connecting portion 16 and portion 17 that slides, main part 15 and connecting portion 16 pass through the screw fixation amalgamation, connecting portion 16 and portion 17 that slides pass through the screw fixation amalgamation, rotate on casing 1 and be connected with output shaft 3, output shaft 3's one end exposes outside portion 17 that slides, the other end embeds in main part 15, output shaft 3 passes through the bearing with main part 15, connecting portion 16 and portion 17 that slides and is connected, still rotate in main part 15 and be connected with input shaft 2, input shaft 2 and output shaft 3 coaxial setting, rotate through the bearing with output shaft 3 and be connected.
Referring to fig. 2, the rotary shaft driving device further comprises a plurality of rotary rods 4 which are connected to the output shaft 3 in a surrounding manner and driven by the input shaft 2 to rotate, wherein the rotary rods 4 are connected with the output shaft 3 through needle bearings, the axial direction of the rotary rods 4 is parallel to the axial direction of the output shaft 3, the large planetary teeth 5 and the small planetary teeth 6 are coaxially welded and fixed on each rotary rod 4, the large planetary teeth 5 and the small planetary teeth 6 are distributed at intervals along the axial direction of the rotary rods 4, tooth grooves are circumferentially arranged on the input shaft 2 in the radial direction, the input shaft 2 is meshed with the large planetary teeth 5 through the tooth grooves and drives the large planetary teeth 5 to rotate, a large gear ring 10 and a small gear ring 11 which slide along the axial direction of the rotary rods 4 are assembled in the main body part 15, the large gear ring 10 and the small gear ring 11 are fixed through pins, and when the large gear ring 10 and the small gear ring 11 are positioned between the large planetary teeth 5 and the small planetary teeth 6, the large gear ring 11 are respectively in a separated state with the large planetary teeth 5 and the small planetary teeth 6, at the moment, the input shaft 2 cannot drive the output shaft 3 to rotate; when the large gear ring 10 is meshed with the large planetary gear 5, the large planetary gear 5 makes revolution motion under the limitation of the large gear ring 10, so that the output shaft 3 is driven to rotate, and the output shaft 3 is in a slow rotation state at the moment; the output shaft 3 is in a high-speed rotation state when the ring gear 11 is meshed with the asteroid teeth 6.
Referring to fig. 1 and 3, the transmission assembly 7 for controlling the slippage of the ring gear 10 and the ring gear 11 to mesh with the large planetary gear 5 and the small planetary gear 6, respectively, is further included, and the transmission assembly 7 includes: a shift sliding rod 71, one end of which is fixedly connected with the small gear ring 11 through a pin and is assembled on the connecting part 16 of the shell 1 in a sliding manner, wherein the shift sliding rod 71 penetrates through the connecting part 16 and has the same sliding direction as that of the large gear ring 10 and the small gear ring 11, and the shift sliding rod 71 drives the large gear ring 10 and the small gear ring 11 to slide and simultaneously enables the large gear ring 10 and the small gear ring 11 not to rotate along the radial direction; a variable speed support bracket 72 fixed to the outside of the connection portion 16 by screws; a speed change rotating shaft 73 rotatably connected to the speed change support frame 72 through a bearing and having an axis direction perpendicular to the sliding direction of the speed change sliding lever 71;
a speed change connecting rod 74 with one end welded and fixed on a speed change rotating shaft 73 and the other end assembled on one end of the speed change sliding rod 71 outside the shell 1, a containing block is welded and fixed on one end of the speed change sliding rod 71 outside the shell 1, a containing groove is formed in the containing block, an anti-falling block is welded and fixed on the end part of the speed change connecting rod 74, the anti-falling block is placed in the containing groove, the size of the containing groove is larger than that of the anti-falling block, the anti-falling block cannot be separated from the containing groove, the containing groove is provided with a allowance for the anti-falling block to move, and the speed change sliding rod 71 slides when the speed change rotating shaft 73 drives the speed change connecting rod 74 to rotate; and a variable speed drive device 75 for driving the variable speed rotating shaft 73 to rotate, wherein the variable speed drive device 75 is provided as a servo motor with a speed reducer, a driving tooth 18 is fixed on the rotating shaft of the speed reducer, a driven tooth 19 is fixed on the variable speed rotating shaft 73, and the driving tooth 18 is meshed with the driven tooth 19.
Referring to fig. 2, the wind turbine generator further includes a rotating seat 12 rotating along with the output shaft 3, one end of the output shaft 3 exposed to the sliding portion 17 is matched with the rotating seat 12 through a clamping block and a clamping groove, so that the output shaft 3 drives the rotating seat 12 to rotate, a plurality of tail seats 13 are arranged on the rotating seat 12 along the radial surrounding direction of the rotating seat 12, the tail seats 13 are rotationally connected with the rotating seat 12 through bearings, the direction of a rotating shaft of the tail seats 13 is perpendicular to the axial direction of the output shaft 3, paddles 14 are fixed on the tail seats 13 through screws, the paddles 14 are arranged in one-to-one correspondence with the tail seats 13, and the pitch of the paddles 14 is changed through rotation of the tail seats 13.
Referring to fig. 4, the pitch control device 8 for controlling the rotation of the tailstock 13 to control the pitch of the blade 14 is further provided, and the pitch control device 8 includes: a variable-pitch sliding sleeve 81 slidably sleeved on the sliding part 17 of the housing 1, wherein the sliding direction of the variable-pitch sliding sleeve 81 is the same as the axial direction of the output shaft 3; the rotary sliding sleeve 85 is rotatably connected to one end, close to the blade 14, of the variable-pitch sliding sleeve 81 through a bearing, is sleeved on the sliding part 17, and the rotating shaft direction of the rotary sliding sleeve 85 is the same as the rotating shaft direction of the output shaft 3, and the rotary sliding sleeve 85 slides along with the variable-pitch sliding sleeve 81; the variable-pitch wing plates 82 are fixed on one side of the tailstock 13, the variable-pitch wing plates 82 are arranged in one-to-one correspondence with the tailstock 13, and the variable-pitch wing plates 82 are in interference fit with the tailstock 13; one end of the variable-pitch connecting rod 83 is rotationally connected to the rotary sliding sleeve 85, the other end of the variable-pitch connecting rod 83 is rotationally connected to the variable-pitch wing plate 82 through a hinge pin, the variable-pitch connecting rods 83 and the variable-pitch wing plates 82 are arranged in a one-to-one correspondence manner, the rotary sliding sleeve 85 is fixedly welded with the transmission ball head 9, the variable-pitch connecting rod 83 is rotationally connected with the transmission ball head 9 through a lantern ring, the rotary sliding sleeve 85 drives the variable-pitch wing plate 82 to rotate through the variable-pitch connecting rod 83 when sliding, and the variable-pitch wing plate 82 drives the tailstock 13 to rotate when rotating so as to change the pitch of the blade 14; and a slip drive assembly 84 for driving the displacement sleeve 81 to slip.
Referring to fig. 4, the slip drive assembly 84 includes: a slip bracket 841 welded to the connection portion 16 of the housing 1; the middle position rotates a sliding rotary rod 842 connected to a sliding support frame 841, and the rotating shaft direction of the sliding rotary rod 842 is perpendicular to the sliding direction of the variable-pitch sliding sleeve 81; a sliding connecting block 843 welded and fixed on the side wall of the variable-pitch sliding sleeve 81, one end of a sliding rotating rod 842 is assembled on the sliding connecting block 843, a sliding accommodating groove is formed in the sliding connecting block 843, a sliding anti-drop block is welded and fixed at one end of the sliding rotating rod 842 connected with the sliding connecting block 843, the sliding anti-drop block is placed in the sliding accommodating groove, the size of the sliding accommodating groove is larger than that of the sliding anti-drop block, the sliding connecting block 843 slides when the sliding rotating rod 842 rotates, two sliding connecting blocks 843 are symmetrically arranged on the side wall of the variable-pitch sliding sleeve 81 in the embodiment, the sliding rotating rod 842 is in a bifurcation shape, and the end part of each bifurcation is assembled on one sliding connecting block 843; and a slip driving device 844 for driving the slip rotating rod 842 to rotate away from one end of the slip connecting block 843, wherein the slip driving device 844 is provided with a servo motor with a speed reducer, the speed reducer and the servo motor are fixed on the connecting part 16 of the shell 1 through screws, and a rotating shaft of the speed reducer is connected with the slip rotating rod 842 through a crank mechanism.
The use process is briefly described: the variable speed driving device 75 drives the variable speed rotating shaft 73 to rotate so as to drive the variable speed connecting rod 74 to rotate, when the variable speed connecting rod 74 rotates, the height of one end of the variable speed connecting rod 74 far away from the variable speed rotating shaft 73 is changed so as to drive the variable speed sliding rod 71 to slide, the variable speed sliding rod 71 drives the large gear ring 10 and the small gear ring 11 to slide in the sliding process, the large gear ring 10 and the small gear ring 11 are respectively meshed with the large gear ring 5 and the small gear ring 6 or separated from the large gear ring and realize the switching among a high-speed gear, a low-speed gear and a neutral gear, when the large gear ring 10 is meshed with the large gear ring 5, under the limiting effect of the large gear ring 10, the large gear ring 5 makes revolution motion on the large gear ring 10 around the input shaft 2, the large gear ring 5 revolves the rotating rod 4 while driving the output shaft 3 to rotate so as to realize the speed reducing effect, and at the moment, the output shaft 3 is in a low-speed rotating state, and when the small gear ring 11 is meshed with the small gear ring 6, the output shaft 3 is in a high-speed rotating state, and the rotating speed of the blades 14 is changed by respectively meshed with the large gear ring gear ring 10 and the small gear ring 11 and the large gear ring 6; the sliding driving device 844 drives one end of the sliding rotary rod 842, which is far away from the sliding connecting block 843, to rotate synchronously at one end, which is connected with the sliding connecting block 843, of the sliding rotary rod 842, and the height of one end, which is connected with the sliding connecting block 843, of the sliding rotary rod 842 is changed in the rotating process, so that the height of the sliding connecting block 843 is changed, the rotating sliding sleeve 85 is driven to slide, the distance between the rotating sliding sleeve 85 and the tailstock 13 is changed in the sliding process, the distance-changing connecting rod 83 and the distance-changing wing plate 82 are further rotated, the distance-changing wing plate 82 drives the tailstock 13 to rotate in the rotating process, so that the angle of the blade 14 is changed, and the pitch of the blade 14 is changed; the scheme realizes the pitch and speed changing by changing the rotating speed of the blades 14 through the speed changing component 7 and changing the pitch of the blades 14 through the pitch changing mechanism 8, so that the rotor wing has high operability.
In summary, the present invention enables the pitch and rotational speed of the blades 14 to be varied, thereby improving rotor operability. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (9)
1. A torque and speed rotor comprising:
the device comprises a shell (1), wherein an input shaft (2) and an output shaft (3) are rotatably connected to the shell (1);
the rotary rod (4) is rotationally connected to the output shaft (3) and driven to rotate by the input shaft (2), the axial direction of the rotary rod (4) is parallel to the axial direction of the output shaft (3), the rotary rod (4) is fixedly provided with large planetary gears (5) and small planetary gears (6), a large gear ring (10) and a small gear ring (11) which slide along the axial direction of the rotary rod (4) are assembled in the shell (1), and the large gear ring (10) and the small gear ring (11) cannot rotate along the radial direction of the large gear ring;
a gear-shifting assembly (7) for controlling the large ring gear (10) and the small ring gear (11) to mesh with the large planetary gear (5) and the small planetary gear (6), respectively;
the rotary seat (12) rotates along with the output shaft (3), the rotary seat (12) is rotationally connected with a tailstock (13), the direction of a rotating shaft of the tailstock (13) is perpendicular to the axis direction of the output shaft (3), and the tailstock (13) is provided with a paddle (14); the method comprises the steps of,
a pitch mechanism (8) for controlling the rotation of the tailstock (13) to thereby control the pitch of the blades (14).
2. The torque-variable speed rotor according to claim 1, characterized in that the large planetary gear (5) and the small planetary gear (6) are fixed on the rotating rod (4) at intervals, the large gear ring (10) is fixedly connected with the small gear ring (11), and the large gear ring (10) and the small gear ring (11) are respectively separated from the large planetary gear (5) and the small planetary gear (6) when the large gear ring (10) and the small gear ring (11) are positioned between the large planetary gear (5) and the small planetary gear (6).
3. The torque-variable and speed-variable rotor according to claim 2, characterized in that said speed-variable assembly (7) comprises:
the gear shifting sliding rod (71) is fixedly connected with the big gear ring (10) and the small gear ring (11) and is assembled on the shell (1) in a sliding manner, and the gear shifting sliding rod (71) penetrates through the shell (1) and has the same sliding direction as the sliding direction of the big gear ring (10) and the small gear ring (11); a variable speed support (72) fixed to the housing (1); a speed-changing rotating shaft (73) which is rotatably connected to the speed-changing support frame (72) and is arranged in a direction perpendicular to the sliding direction of the speed-changing sliding rod (71) in the axial direction; a speed change connecting rod (74) with one end fixed on the speed change rotating shaft (73) and the other end assembled on the speed change sliding rod (71), wherein the speed change sliding rod (71) slides when the speed change rotating shaft (73) drives the speed change connecting rod (74) to rotate; and a variable speed drive device (75) for driving the variable speed shaft (73) to rotate.
4. The torque-variable speed rotor according to claim 1, characterized in that the torque-variable mechanism (8) comprises:
a variable-pitch sliding sleeve (81) which is slidably assembled on the shell (1), wherein the sliding direction of the variable-pitch sliding sleeve (81) is the same as the axis direction of the output shaft (3); the rotary sliding sleeve (85) is rotationally connected to the variable-pitch sliding sleeve (81) and has the same rotating shaft direction as the sliding direction of the variable-pitch sliding sleeve (81), and the rotary sliding sleeve (85) slides along with the variable-pitch sliding sleeve (81); a variable-pitch wing plate (82) fixed on one side of the tailstock (13); one end of the variable-pitch connecting rod (83) is rotationally connected with the variable-pitch sliding sleeve (81), the other end of the variable-pitch connecting rod is rotationally connected with the rotary sliding sleeve (85), and the rotary sliding sleeve (85) drives the variable-pitch wing plate (82) to rotate through the variable-pitch connecting rod (83) when sliding; and a slip driving assembly (84) for driving the variable-pitch sliding sleeve (81) to slip.
5. The torque and speed rotor as recited in claim 4, wherein the slip drive assembly (84) comprises:
a slip bracket (841) fixed to the housing (1); the middle position is rotatably connected with a sliding rotary rod (842) of the sliding support frame (841), and the rotating shaft direction of the sliding rotary rod (842) is perpendicular to the sliding direction of the variable-pitch sliding sleeve (81); a sliding connection block (843) fixed on the variable-pitch sliding sleeve (81), wherein one end of the sliding rotation rod (842) is assembled on the sliding connection block (843), and the sliding connection block (843) slides when the sliding rotation rod (842) rotates; and a slip driving device (844) for driving the slip rotating rod (842) to rotate away from one end of the slip connecting block (843).
6. A rotor according to claim 1, characterized in that the input shaft (2) is provided with tooth grooves circumferentially in the radial direction, the tooth grooves on the input shaft (2) being in engagement with the large planetary gear (5).
7. The variable-pitch and variable-speed rotor according to claim 4, wherein a plurality of tailstocks (13) are arranged on the rotary seat (12) in a surrounding manner, and a plurality of variable-pitch wing plates (82) and variable-pitch connecting rods (83) are correspondingly arranged and are jointly connected with one variable-pitch sliding sleeve (81).
8. A rotor according to claim 3, characterized in that the variable speed drive (75) is provided as a servomotor with a gear reducer, the shaft of which is fixed with driving teeth (18), the shaft (73) is fixed with driven teeth (19), and the driving teeth (18) are engaged with the driven teeth (19).
9. The torque and speed rotor as recited in claim 5, characterized in that the slip drive means (844) is provided as a servomotor with a speed reducer, the slip rotary lever (842) being rotated by a crank mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310279324.2A CN117485555A (en) | 2023-03-21 | 2023-03-21 | Pitch-variable speed-variable rotor wing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310279324.2A CN117485555A (en) | 2023-03-21 | 2023-03-21 | Pitch-variable speed-variable rotor wing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117485555A true CN117485555A (en) | 2024-02-02 |
Family
ID=89683554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310279324.2A Pending CN117485555A (en) | 2023-03-21 | 2023-03-21 | Pitch-variable speed-variable rotor wing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117485555A (en) |
-
2023
- 2023-03-21 CN CN202310279324.2A patent/CN117485555A/en active Pending
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