CN117823339B - Variable pitch control actuator of wind generating set - Google Patents
Variable pitch control actuator of wind generating set Download PDFInfo
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- CN117823339B CN117823339B CN202311820574.9A CN202311820574A CN117823339B CN 117823339 B CN117823339 B CN 117823339B CN 202311820574 A CN202311820574 A CN 202311820574A CN 117823339 B CN117823339 B CN 117823339B
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- 239000010687 lubricating oil Substances 0.000 claims abstract description 63
- 238000009434 installation Methods 0.000 claims abstract description 31
- 239000003921 oil Substances 0.000 claims abstract description 29
- 238000001914 filtration Methods 0.000 claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims description 62
- 239000007788 liquid Substances 0.000 claims description 32
- 238000005507 spraying Methods 0.000 claims description 13
- 238000004140 cleaning Methods 0.000 claims description 12
- 238000003860 storage Methods 0.000 claims description 10
- 230000033001 locomotion Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 46
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 32
- 229910052742 iron Inorganic materials 0.000 abstract description 16
- 230000005540 biological transmission Effects 0.000 abstract description 14
- 230000009286 beneficial effect Effects 0.000 abstract description 11
- 230000001050 lubricating effect Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 5
- 238000001816 cooling Methods 0.000 description 16
- 239000000314 lubricant Substances 0.000 description 13
- 230000033228 biological regulation Effects 0.000 description 10
- 238000005461 lubrication Methods 0.000 description 8
- 238000001125 extrusion Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 241000220317 Rosa Species 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000012840 feeding operation Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
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Abstract
The invention relates to the technical field of wind generating sets, in particular to a variable pitch control actuator of a wind generating set. A variable pitch control actuator of a wind generating set comprises a guide cover, a hub, blades, a wind speed sensor, a gear ring, a gear and a variable pitch motor which are arranged on a wind generating set body. The beneficial effects of the invention are as follows: the variable pitch control actuator of the wind generating set is characterized in that lubricating oil is filled between an installation cover and a gear ring; the lubricating oil is circularly cooled and filtered; the bottom of the gear ring can be cleaned in a reciprocating manner, scrap iron can be lifted, and filtering and collecting are carried out in the lubricating oil circulation process, so that the scrap iron can be filtered and collected conveniently; the automatic oil supply operation can be carried out in the installation cover, the sufficient quantity of lubricating oil is ensured, the lubricating effect on the gear ring and the gear is better, the transmission effect is better, and further, the variable pitch control is ensured to be carried out more smoothly, more accurately and reliably.
Description
Technical Field
The invention relates to the technical field of wind generating sets, in particular to a variable pitch control actuator of a wind generating set.
Background
The principle of the wind power generation variable pitch is that the aerodynamic characteristics of the blades of the wind power generator are changed by controlling the rotation angles of the blades, so that the power output of the wind power generator is adjusted. Specifically, when the wind speed increases, the pitch control can control the rotation angle of the blade to increase, so that the wind power generator can absorb wind energy better and increase the generated energy; conversely, when the wind speed is reduced, the variable pitch control can adjust the rotation angle of the blades to be reduced, so that overload and overspeed phenomena are avoided, and safe operation of the wind driven generator and a power grid is protected. The pitch control realizes the adjustment of the power of the wind driven generator by controlling the rotation angle of the blade, and the realization principle can be divided into the following two points:
1. The signal regulation principle is that the signal regulation principle of the variable pitch control is a control signal obtained by processing a wind speed signal acquired by a wind speed sensor and a signal of the output power of a power grid through a controller. Specifically, when the wind speed is high, the controller will reduce the power of the power grid by calculating and controlling the angle of the blades, and when the wind speed is low, the controller will increase the power of the power grid, thereby realizing the adjustment of the power of the generator.
2. Blade regulation principle the blade regulation principle of variable pitch control is that the turning angle of the blade is changed by controlling a variable pitch motor by a controller so as to realize the regulation of the power of the wind driven generator. Specifically, when the wind speed is high, the controller reduces the rotation speed of the wind driven generator by adjusting the rotation angle of the blades, so that the generator and a power grid are protected; when the wind speed is smaller, the controller can increase the rotating speed of the wind driven generator by adjusting the angle of the blade, so that the generating capacity is improved.
The variable pitch control actuator of the wind generating set comprises an electric variable pitch system, wherein the electric variable pitch system is formed by respectively installing three blades with independent electric variable pitch systems, and comprises a gear ring, a variable pitch motor, a driving controller and a gear, and the gear is driven to rotate by the rotation of the variable pitch motor so as to drive the gear ring and the blades to rotate, so that variable pitch operation is realized.
Publication number CN101555871B discloses a variable pitch variable speed wind generating set, however, when the conventional variable pitch control actuator of the wind generating set is used, the lubrication effect of the gear and the gear ring is poor, meanwhile, scrap iron and the like are easy to generate after the gear and the gear ring run for a long time, the transmission effect is affected, defects such as a clamping paddle and heating of a motor are easy to be caused, and the control execution effect and reliability of the variable pitch are further affected.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides a variable pitch control actuator of a wind generating set, which solves the problems that when the variable pitch control actuator of the existing wind generating set is used, the lubrication effect of a gear and a gear ring is poor, meanwhile, scrap iron and the like are easy to generate after the gear and the gear ring run for a long time, the transmission effect is influenced, the defects of clamping a propeller, heating of a motor and the like are easy to cause, and the control execution effect and reliability of the variable pitch are further influenced.
The technical scheme for solving the technical problems is as follows: the utility model provides a wind generating set's variable pitch control executor, includes kuppe, wheel hub, blade, wind speed sensor, ring gear, gear and the variable pitch motor of setting on the wind generating set body, the blade inserts and establishes in wheel hub and rotate with it and be connected, and ring gear fixed connection is in the tip of blade, fixedly connected with installing cover in the wheel hub, and the tip of installing cover and the tip rotation of ring gear are connected, the inside wall fixedly connected with backup pad of installing cover, and the gear rotates through the lateral wall of first pivot and backup pad to be connected, variable pitch motor fixed connection is at the tip of installing cover, and the installing cover intussuseption is filled with lubricating oil, the tip of installing cover is provided with and is used for carrying out circulation filtration's circulation mechanism to lubricating oil, and is provided with the cleaning mechanism that is used for cleaning the piece of ring gear bottom in the installing cover, the tip of installing cover is provided with the oil feeding mechanism that is used for carrying out automatic interpolation to lubricating oil.
The beneficial effects of the invention are as follows:
1. Through setting up circulation mechanism etc., detect the wind speed through wind speed sensor, when carrying out the pitch control and carrying out, start pitch motor, pitch motor's rotation drives the rotation of first pivot and gear, and then drive ring gear and blade and rotate, thereby realize pitch control and carry out, simultaneously, it has lubricating oil to pack between installation cover and ring gear, can play better lubrication effect to ring gear and gear, make pitch control carry out more smooth and easy, more accurate reliable, and, carry out circulative cooling and filtration to lubricating oil, thereby make lubrication effect to ring gear and gear better, make its transmission effect better, and then guarantee that pitch control carries out more smoothly, more accurate reliable.
2. Through setting up cleaning mechanism etc., when lubricating oil gets into the drawing liquid pipe, it makes it rotate at the surface of fan to strike, the rotation of fan drives the rotation of second pivot and dwang, and then drive the sleeve pipe and rotate, make the brush hair can clean the bottom of ring gear, and at the same time, when the tip of second catch bar offsets with the bellied lateral wall of second, promote the sleeve pipe and slide along the lateral wall of dwang, simultaneously, the second spring is compressed, when the tip of second catch bar passes over the bellied lateral wall of second, the sleeve pipe can remove under the effect of second spring and reset, so reciprocating, can make the brush hair carry out reciprocal cleaning to the bottom of ring gear, make cleaning efficiency higher, the effect better, thereby make the transmission effect of ring gear and gear better, and then guarantee that the control of variable pitch carries out more smoothly, more accurate reliable, and, can lift up, and filter and collect at lubricating oil endless in-process, thereby be convenient for filter and collect the iron fillings.
3. Through setting up oil feeding mechanism etc., when the lubricating oil in the installation cover is less, the extrusion force of lubricating oil to the second piston diminishes, at this moment, under the effect of third spring, make the sliding plate move to the direction that is close to the fixed pipe, make the through-hole overlap with fourth connecting pipe and third connecting pipe, thereby can be when first connecting pipe is carrying out oil pumping, make the lubricating oil in the oil storage tank draw in through fourth connecting pipe, and get into in the installation cover after passing through work pipe and hydrojet pipe, thereby can carry out automatic oil feeding operation in the installation cover, guarantee the abundant of its lubricating oil mass, make the lubrication effect to ring gear and gear better, make its transmission effect better, and then guarantee that the variable pitch control is carried out more smoothly, more accurate reliable.
On the basis of the technical scheme, the invention can be improved as follows.
Further, circulation mechanism is including fixedly inserting the drawing liquid pipe of establishing in the installation cover tip, and the lateral wall fixedly connected with fin of drawing liquid pipe, the other end fixedly connected with rose box of drawing liquid pipe, and the lateral wall fixedly connected with first connecting pipe of rose box, be provided with first check valve in the first connecting pipe, and the upper end fixedly connected with work pipe of first connecting pipe, the upper end fixedly connected with hydrojet pipe of work pipe, and be provided with the second check valve in the hydrojet pipe, the other end of hydrojet pipe runs through to the installation cover in and sprays in the meshing department of gear and ring gear, and the lateral wall fixedly connected with second connecting pipe of work pipe, be connected with first piston through moving mechanism in the second connecting pipe.
Adopt the beneficial effect of above-mentioned further scheme, detect the wind speed through wind speed sensor, when carrying out the pitch control execution, start the pitch motor, the rotation of pitch motor drives the rotation of first pivot and gear, and then drive ring gear and blade and rotate, thereby realize pitch control execution, simultaneously, it has lubricating oil to pack between installation cover and ring gear, can play better lubricated effect to ring gear and gear, make pitch control execution more smooth and easy, and is more accurate reliable, meanwhile, when first pivot rotates, make first piston reciprocating motion in the second connecting pipe through moving mechanism, when first piston moves to the direction of keeping away from the working tube, make the working tube in produce the negative pressure, simultaneously, first check valve is opened, the second check valve is closed, at this moment, lubricating oil in the installation cover gets into the rose box through the drawing liquid pipe, the iron fillings are collected in the rose box, the lubricating oil in the working tube can be squeezed to the working tube when first piston moves to the direction that is close to the working tube, simultaneously, first piston is more accurate, first piston is closed, the second piston is more smooth and easy to the cooling effect, thereby, the cooling effect can be realized by the cooling fin is realized, and the cooling fin is more accurately is moved to the working tube, and the cooling effect is more smooth and easy, and the cooling effect is guaranteed, the cooling effect is realized by the cooling the gear is realized by the cooling, and the cooling fin is more well is carried out to the cooling to the gear.
Further, the moving mechanism comprises a moving rod fixedly connected to the end part of the first piston, the other end of the moving rod is fixedly connected with a first moving block, two symmetrically arranged first T-shaped guide rods are inserted into the side wall of the first moving block, one end of each first T-shaped guide rod is fixed to the side wall of the working tube, a baffle ring is fixedly sleeved on the side wall of each first T-shaped guide rod, a first spring is sleeved on the side wall of each first T-shaped guide rod, a rotating disc is fixedly sleeved on the side wall of each first rotating shaft, a plurality of first protrusions are fixedly connected to the end parts of the rotating disc, a first pushing rod is fixedly connected to the side wall of each first moving block, and the other end of each first pushing rod penetrates into the mounting cover and slides on the side wall of each first protrusion.
The beneficial effect of adopting above-mentioned further scheme is, drive the rolling disc and rotate when first pivot rotates, when the tip of first protruding and first catch bar offsets, promote first movable block and catch bar and remove, and then promote first piston and slide in the second connecting pipe, simultaneously, first spring is compressed, when the tip of first catch bar is passed over to first arch, first piston can be moved under the effect of first spring and reset, so reciprocating, can make first piston reciprocating motion in the second connecting pipe.
Further, the cleaning mechanism comprises a supporting block fixedly connected in the liquid suction pipe, the side wall of the supporting block is rotationally connected with a rotating rod, a sleeve is sleeved on the side wall of the rotating rod, a plurality of bristles are fixedly connected with the side wall of the sleeve, a first reset mechanism is arranged between the sleeve and the rotating rod, the sleeve is moved to push through a first pushing mechanism, and the rotating rod is driven through a driving mechanism.
Adopt the beneficial effect of above-mentioned further scheme, when lubricating oil gets into the drawing liquid pipe in, rotate through actuating mechanism drive dwang, and then drive the sleeve pipe and rotate for the brush hair can clean the bottom of ring gear, simultaneously, makes the sleeve pipe reciprocate through first pushing mechanism and first canceling release mechanical system, so reciprocating, can make the brush hair clean reciprocally the bottom of ring gear for clean efficiency is higher, the effect is better.
Further, the first reset mechanism comprises two symmetrically arranged second T-shaped guide rods fixedly connected to the end part of the sleeve, a second moving block is sleeved on the side wall of the second T-shaped guide rod, the second moving block is sleeved on the side wall of the rotating rod, and a second spring is sleeved on the side wall of the second T-shaped guide rod.
The adoption of the further scheme has the beneficial effects that the guiding and resetting effects are realized on the movement of the sleeve.
Further, the first pushing mechanism comprises a plurality of second bulges which are fixedly connected to the inner side wall of the mounting cover and are arranged in an array, the end part of the sleeve is fixedly connected with a second pushing rod, and the other end of the second pushing rod slides on the side wall of the second bulges.
The beneficial effect of adopting above-mentioned further scheme is, when the tip of second catch bar passes over the bellied lateral wall of second, the sleeve pipe can be moved the reset under the effect of second spring.
Further, the driving mechanism comprises a second rotating shaft which is rotationally connected to the side wall of the supporting block, one end of the second rotating shaft is fixed with the end part of the rotating rod, and a fan is fixedly sleeved on the side wall of the second rotating shaft.
The adoption of the further scheme has the beneficial effects that when the lubricating oil enters the liquid suction pipe, the lubricating oil impacts the surface of the fan to rotate, and the rotation of the fan drives the second rotating shaft and the rotating rod to rotate.
Further, the oil supply mechanism comprises an oil storage tank fixedly connected to the top of the filter tank, a third connecting pipe is fixedly connected to the top of the oil storage tank, a fixed cover is fixedly connected to the upper end of the third connecting pipe, a fourth connecting pipe is fixedly connected to the top of the fixed cover, the other end of the fourth connecting pipe is fixed to the side wall of the liquid spraying pipe, a sliding plate is connected to the sliding part in the fixed cover in a sliding manner, a through hole is formed in the top of the sliding plate, the sliding plate is connected with the side wall of the fixed cover through a second reset mechanism, and the sliding plate is pushed through a second pushing mechanism.
The beneficial effect of adopting above-mentioned further scheme is, when the lubricating oil in the installation cover is less, the extrusion force of lubricating oil to the second piston diminishes, make the sliding plate move to the direction that is close to the fixed pipe under the effect of second canceling release mechanical system, make the through-hole overlap with fourth connecting pipe and third connecting pipe, thereby can be when first connecting pipe is pumped oil, make lubricating oil in the batch oil tank draw in through the fourth connecting pipe, and get into the installation cover after passing through work pipe and hydrojet pipe, thereby can carry out automatic oil feeding operation in the installation cover, guarantee the abundant of its lubricating oil mass, make the lubrication effect to ring gear and gear better, make its transmission effect better, and then guarantee that the variable pitch control is carried out more smoothly, more accurate reliable.
Further, the second canceling release mechanical system includes the first connecting block of two symmetry settings of fixed connection at the sliding plate lateral wall, and the lateral wall fixedly connected with of first connecting block two third T shape guide arms of symmetry setting, the lateral wall cover of third T shape guide arm is equipped with the second connecting block, and the second connecting block is fixed with the lateral wall of fixed cover, the lateral wall cover of third T shape guide arm is equipped with the third spring.
The sliding plate has the beneficial effects that the sliding plate can move in a guiding and resetting way.
Further, the second pushing mechanism comprises a fixed pipe fixedly inserted into the end part of the installation cover, a second piston is connected in a sliding mode in the fixed pipe, a third pushing rod is fixedly connected to the end part of the second piston, and the other end of the third pushing rod is fixed with the side wall of the sliding plate.
Adopt the beneficial effect of above-mentioned further scheme, when the lubricating oil in the installation cover is less, the extrusion force of lubricating oil to the second piston diminishes, under the effect of third spring for the sliding plate moves to the direction that is close to the fixed pipe, makes the through-hole overlap with fourth connecting pipe and third connecting pipe, and when the lubricating oil in the installation cover is enough, lubricating oil becomes big to the extrusion force of second piston, thereby promotes the sliding plate through the third catch bar and removes, makes through-hole and fourth connecting pipe and third connecting pipe stagger, stops the fuel feeding.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a partial cross-sectional structure of a pod according to the present invention;
FIG. 3 is a schematic view of a partially cut-away structure of a hub in accordance with the present invention;
FIG. 4 is a schematic cross-sectional view of the mounting cup of the present invention;
FIG. 5 is an enlarged schematic view of the structure shown at A in FIG. 1;
FIG. 6 is an enlarged schematic view of the structure shown at B in FIG. 2;
FIG. 7 is an enlarged schematic view of FIG. 3C;
FIG. 8 is an enlarged schematic view of the structure of FIG. 4 at D;
FIG. 9 is an enlarged schematic view of the structure of FIG. 4 at E;
FIG. 10 is an enlarged schematic view of the structure shown at F in FIG. 7;
FIG. 11 is an enlarged schematic view of the structure of FIG. 8 at G;
Fig. 12 is an enlarged schematic view of the structure at H in fig. 8.
In the drawings, the list of components represented by the various numbers is as follows:
1. A wind turbine generator set body; 101. a guide cover; 102. a hub; 103. a blade; 104. a wind speed sensor; 105. a gear ring; 106. a gear; 107. a pitch motor; 201. a moving rod; 202. a first moving block; 203. a first push rod; 204. a rotating disc; 205. a first protrusion; 301. a first T-shaped guide bar; 302. a baffle ring; 303. a first spring; 401. a support block; 402. a rotating lever; 403. a sleeve; 404. brushing; 501. a second rotating shaft; 502. a fan; 601. a second T-shaped guide bar; 602. a second moving block; 603. a second spring; 701. a second push rod; 702. a second protrusion; 801. an oil storage tank; 802. a fourth connection pipe; 803. a fixed cover; 804. a through hole; 805. a third connection pipe; 806. a sliding plate; 901. a first connection block; 902. a third T-shaped guide bar; 903. a second connection block; 904. a third spring; 1001. a third push rod; 1002. a fixed tube; 1003. a second piston; 11. a mounting cover; 1201. a liquid suction pipe; 1202. a heat radiation fin; 1203. a filter box; 1204. a first connection pipe; 1205. a working tube; 1206. a liquid spraying pipe; 1207. a first one-way valve; 1208. a second one-way valve; 1209. a second connection pipe; 1210. a first piston; 13. a support plate; 14. a first rotating shaft.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
The principle of the wind power generation variable pitch is that the aerodynamic characteristics of the blades of the wind power generator are changed by controlling the rotation angles of the blades, so that the power output of the wind power generator is adjusted. Specifically, when the wind speed increases, the pitch control can control the rotation angle of the blade to increase, so that the wind power generator can absorb wind energy better and increase the generated energy; conversely, when the wind speed is reduced, the variable pitch control can adjust the rotation angle of the blades to be reduced, so that overload and overspeed phenomena are avoided, and safe operation of the wind driven generator and a power grid is protected. The pitch control realizes the adjustment of the power of the wind driven generator by controlling the rotation angle of the blade, and the realization principle can be divided into the following two points:
1. The signal regulation principle is that the signal regulation principle of the variable pitch control is a control signal obtained by processing a wind speed signal acquired by a wind speed sensor and a signal of the output power of a power grid through a controller. Specifically, when the wind speed is high, the controller will reduce the power of the power grid by calculating and controlling the angle of the blades, and when the wind speed is low, the controller will increase the power of the power grid, thereby realizing the adjustment of the power of the generator.
2. Blade regulation principle the blade regulation principle of variable pitch control is that the turning angle of the blade is changed by controlling a variable pitch motor by a controller so as to realize the regulation of the power of the wind driven generator. Specifically, when the wind speed is high, the controller reduces the rotation speed of the wind driven generator by adjusting the rotation angle of the blades, so that the generator and a power grid are protected; when the wind speed is smaller, the controller can increase the rotating speed of the wind driven generator by adjusting the angle of the blade, so that the generating capacity is improved.
The variable pitch control actuator of the wind generating set comprises an electric variable pitch system, wherein the electric variable pitch system is formed by respectively installing three blades with independent electric variable pitch systems, and comprises a gear ring, a variable pitch motor, a driving controller and a gear, and the gear is driven to rotate by the rotation of the variable pitch motor so as to drive the gear ring and the blades to rotate, so that variable pitch operation is realized.
The inventor has conducted intensive investigation and research on the use process of the variable pitch control actuator, and found that: when the conventional variable pitch control actuator of the wind generating set is used, the lubrication effect of the gear and the gear ring is poor, meanwhile, scrap iron and the like are easy to generate after the gear and the gear ring are operated for a long time, the transmission effect is influenced, defects such as clamping of the propeller and heating of a motor are easy to cause, and further the control execution effect and reliability of the variable pitch are influenced.
The present invention provides the following preferred embodiments
As shown in fig. 1 to 12, a pitch control actuator of a wind turbine generator includes a nacelle 101, a hub 102, a blade 103, a wind speed sensor 104, a ring gear 105, a gear 106 and a pitch motor 107 which are provided on a wind turbine generator body 1, the blade 103 is inserted into the hub 102 and is rotatably connected with the hub, the ring gear 105 is fixedly connected with an end of the blade 103, a mounting cover 11 is fixedly connected in the hub 102, the end of the mounting cover 11 is rotatably connected with an end of the ring gear 105, an inner side wall of the mounting cover 11 is fixedly connected with a support plate 13, the gear 106 is rotatably connected with a side wall of the support plate 13 through a first rotating shaft 14, the pitch motor 107 is fixedly connected with an end of the mounting cover 11, lubricating oil is filled in the mounting cover 11, a circulation mechanism for circularly filtering the lubricating oil is provided at an end of the mounting cover 11, a cleaning mechanism for cleaning chips at the bottom of the ring gear 105 is provided in the mounting cover 11, an oil supply mechanism for automatically adding the lubricating oil is provided at an end of the mounting cover 11, and lubricating oil is filled between the mounting cover 11 and the ring gear 105; the lubricating oil is circularly cooled and filtered; the bottom of the gear ring 105 can be cleaned in a reciprocating manner, scrap iron can be lifted, and filtering and collecting are performed in the lubricating oil circulation process, so that the scrap iron can be filtered and collected conveniently; the automatic oil supply operation can be carried out in the installation cover 11, the sufficient quantity of lubricating oil is ensured, the lubricating effect on the gear ring 105 and the gear 106 is better, the transmission effect is better, and further, the smoothness, the accuracy and the reliability of the variable pitch control are ensured.
In this embodiment, as shown in fig. 6, 8 and 11, the circulation mechanism includes a suction tube 1201 fixedly inserted into the end of the mounting cover 11, the side wall of the suction tube 1201 is fixedly connected with a heat dissipation fin 1202, the other end of the suction tube 1201 is fixedly connected with a filtration tank 1203, the side wall of the filtration tank 1203 is fixedly connected with a first connecting tube 1204, a first one-way valve 1207 is disposed in the first connecting tube 1204, the conducting direction of the first one-way valve 1207 is from the first connecting tube 1204 to the working tube 1205, the upper end of the first connecting tube 1204 is fixedly connected with the working tube 1205, the upper end of the working tube 1205 is fixedly connected with a liquid spraying tube 1206, a second one-way valve 1208 is disposed in the liquid spraying tube 1206, the conducting direction of the second one-way valve 1208 is from the working tube 1205 to the liquid spraying tube 1206, the other end of the liquid spraying tube 1206 penetrates into the mounting cover 11 and is sprayed at the meshing position of the gear 106 and the gear ring 105, the second connecting pipe 1209 is fixedly connected to the side wall of the working tube 1205, the first piston 1210 is connected to the second connecting pipe 1209 through the moving mechanism, the wind speed is detected by the wind speed sensor 104, when the pitch control is executed, the pitch motor 107 is started, the rotation of the pitch motor 107 drives the first rotating shaft 14 and the gear 106 to rotate, and then the gear ring 105 and the blades 103 are driven to rotate, so that the pitch control execution is realized, meanwhile, the lubricating oil is filled between the mounting cover 11 and the gear ring 105, the better lubricating effect can be achieved on the gear ring 105 and the gear 106, the pitch control execution is smoother, more accurate and reliable, meanwhile, when the first rotating shaft 14 rotates, the first piston 1210 reciprocates in the second connecting pipe 1209 through the moving mechanism, when the first piston 1210 moves in a direction far away from the working tube 1205, negative pressure is generated in the working tube 1205, meanwhile, the first check valve 1207 is opened, the second check valve 1208 is closed, at this moment, lubricating oil in the installation cover 11 enters the filter box 1203 through the liquid suction pipe 1201, scrap iron is filtered in the filter box 1203 and collected, filtered lubricating oil enters the working pipe 1205 through the first connecting pipe 1204, when the first piston 1210 moves towards the direction close to the working pipe 1205, lubricating oil in the working pipe 1205 can be extruded, meanwhile, the first check valve 1207 is closed, the second check valve 1208 is opened, at this moment, lubricating oil in the working pipe 1205 enters the installation cover 11 through the liquid spraying pipe 1206 and impacts the meshing part of the gear ring 105 and the gear 106 after being extruded, and the radiating fins 1202 can play a good cooling effect on the lubricating oil, so the reciprocating cooling fin can carry out circulating cooling and filtering on the lubricating oil, so that the lubricating effect on the gear ring 105 and the gear 106 is better, the transmission effect is better, further the variable pitch control execution is smoother, and more accurate and reliable are ensured.
In this embodiment, as shown in fig. 11, the moving mechanism includes a moving rod 201 fixedly connected to the end of a first piston 1210, the other end of the moving rod 201 is fixedly connected to a first moving block 202, two first T-shaped guide rods 301 symmetrically disposed are inserted into the side wall of the first moving block 202, one end of each first T-shaped guide rod 301 is fixed to the side wall of a working tube 1205, a stop ring 302 is fixedly sleeved on the side wall of each first T-shaped guide rod 301, a first spring 303 is sleeved on the side wall of each first T-shaped guide rod 301, a rotating disc 204 is fixedly sleeved on the side wall of each first rotating shaft 14, the end of each rotating disc 204 is fixedly connected to a plurality of first protrusions 205 disposed in an array, the side wall of each first moving block 202 is fixedly connected to a first push rod 203, the other end of each first push rod 203 penetrates into the mounting cover 11 and slides on the side wall of each first protrusion 205, when the first rotating shaft 14 rotates, the first protrusions 205 are abutted against the end of each first push rod 203, the first moving block 202 and the moving rod 201 are pushed, the first piston 1210 are pushed, and then the first piston 1210 is pushed to move back and forth under the action of the first spring 1209, and the first piston 303 can move back and forth under the first connecting tube 1210.
In this embodiment, as shown in fig. 9 and 10, the cleaning mechanism includes a supporting block 401 fixedly connected in the liquid suction pipe 1201, and the side wall of the supporting block 401 is rotationally connected with a rotating rod 402, a sleeve 403 is sleeved on the side wall of the rotating rod 402, and a plurality of bristles 404 arranged in an array are fixedly connected on the side wall of the sleeve 403, a first reset mechanism is arranged between the sleeve 403 and the rotating rod 402, the movement of the sleeve 403 is pushed by a first push mechanism, and the rotation of the rotating rod 402 is driven by a driving mechanism, when lubricating oil enters the liquid suction pipe 1201, the rotating rod 402 is driven by the driving mechanism to rotate, and then the sleeve 403 is driven to rotate, so that the bristles 404 can clean the bottom of the gear ring 105, and meanwhile, the sleeve 403 is made to reciprocate by the first push mechanism and the first reset mechanism, so that the bristles 404 can clean the bottom of the gear ring 105 reciprocally, so that the cleaning efficiency is higher and the effect is better.
In this embodiment, as shown in fig. 9, the first reset mechanism includes two symmetrically arranged second T-shaped guide rods 601 fixedly connected to the end of the sleeve 403, a second moving block 602 is sleeved on the side wall of the second T-shaped guide rod 601, the second moving block 602 is sleeved on the side wall of the rotating rod 402, and a second spring 603 is sleeved on the side wall of the second T-shaped guide rod 601, so as to guide and reset the movement of the sleeve 403.
In this embodiment, as shown in fig. 10, the first pushing mechanism includes a plurality of second protrusions 702 fixedly connected to the inner side wall of the mounting cover 11, the end portion of the sleeve 403 is fixedly connected with a second pushing rod 701, and the other end of the second pushing rod 701 slides on the side wall of the second protrusion 702, and when the end portion of the second pushing rod 701 passes over the side wall of the second protrusion 702, the sleeve 403 can be moved to reset under the action of the second spring 603.
In this embodiment, as shown in fig. 9, the driving mechanism includes a second rotating shaft 501 rotatably connected to a side wall of the supporting block 401, one end of the second rotating shaft 501 is fixed to an end of the rotating rod 402, and a fan 502 is sleeved on a side wall fixing sleeve of the second rotating shaft 501, when the lubricant enters the liquid suction pipe 1201, the lubricant impacts on a surface of the fan 502 to rotate, and the rotation of the fan 502 drives the second rotating shaft 501 and the rotating rod 402 to rotate.
In this embodiment, as shown in fig. 6, fig. 8 and fig. 12, the oil supply mechanism includes the oil storage tank 801 fixedly connected at the top of the filter tank 1203, and the top fixedly connected with third connecting pipe 805 of oil storage tank 801, the upper end fixedly connected with fixed cover 803 of third connecting pipe 805, and the top fixedly connected with fourth connecting pipe 802 of fixed cover 803, the other end of fourth connecting pipe 802 is fixed with the lateral wall of hydrojet 1206, sliding connection has sliding plate 806 in fixed cover 803, and the through-hole 804 has been seted up at the top of sliding plate 806, sliding plate 806 is connected with the lateral wall of fixed cover 803 through the second canceling release mechanism, and the removal of sliding plate 806 promotes through the second pushing mechanism, when the lubricating oil in the installation cover 11 is less, the extrusion force of lubricating oil to second piston 1003 diminishes, make sliding plate 806 move to the direction that is close to fixed pipe 1002 under the effect of second canceling release mechanism, thereby can be when the oil pumping is carried out to the fixed cover 1204 in the fixed cover 802 with fourth connecting pipe 802 and third connecting pipe 805, make lubricating oil in the oil storage tank 801 be drawn into through fourth connecting pipe 802, and through the through-hole 804 and set up through the top of sliding plate 806, and the through-up through hole 804, thereby the well-up oil supply effect can be guaranteed to be more accurate and the installation gear ring gear 105 is carried out, and the well is carried out and is carried out in the gear mounting cover 11 and is more well, and is guaranteed, and is more easy to be more convenient to carry out and is more convenient to carry out.
In this embodiment, as shown in fig. 12, the second reset mechanism includes two symmetrically arranged first connecting blocks 901 fixedly connected to the side walls of the sliding plate 806, and two symmetrically arranged third T-shaped guide rods 902 are fixedly connected to the side walls of the first connecting blocks 901, the side walls of the third T-shaped guide rods 902 are sleeved with second connecting blocks 903, the second connecting blocks 903 are fixed to the side walls of the fixed cover 803, and the side walls of the third T-shaped guide rods 902 are sleeved with third springs 904, so as to guide and reset the movement of the sliding plate 806.
In this embodiment, as shown in fig. 6, 8 and 12, the second pushing mechanism includes a fixed tube 1002 fixedly inserted into the end of the mounting cover 11, and a second piston 1003 is slidably connected in the fixed tube 1002, the end of the second piston 1003 is fixedly connected with a third pushing rod 1001, and the other end of the third pushing rod 1001 is fixed to the side wall of the sliding plate 806, when the lubricant in the mounting cover 11 is less, the pressing force of the lubricant on the second piston 1003 becomes smaller, under the action of the third spring 904, the sliding plate 806 moves in the direction approaching to the fixed tube 1002, so that the through hole 804 coincides with the fourth connecting tube 802 and the third connecting tube 805, and when the lubricant in the mounting cover 11 is more, the pressing force of the lubricant on the second piston 1003 becomes larger, so that the sliding plate 806 is pushed by the third pushing rod 1001 to move, so that the through hole 804 is staggered with the fourth connecting tube 802 and the third connecting tube 805, and the oil supply is stopped.
The specific using method comprises the following steps:
When the device is used, firstly, wind speed is detected through the wind speed sensor 104, when pitch control is performed, the pitch motor 107 is started, the rotation of the pitch motor 107 drives the first rotating shaft 14 and the gear 106 to rotate, and then drives the gear ring 105 and the blades 103 to rotate, so that the pitch control is performed, meanwhile, lubricating oil is filled between the mounting cover 11 and the gear ring 105, a better lubricating effect can be achieved on the gear ring 105 and the gear 106, and the pitch control is performed more smoothly, more accurately and reliably;
Meanwhile, when the first rotating shaft 14 rotates to drive the rotating disc 204 to rotate, when the first protrusion 205 abuts against the end part of the first pushing rod 203, the first moving block 202 and the moving rod 201 are pushed to move, and then the first piston 1210 is pushed to slide into the second connecting pipe 1209, meanwhile, the first spring 303 is compressed, when the first protrusion 205 passes over the end part of the first pushing rod 203, the first piston 1210 can move and reset under the action of the first spring 303, so that the first piston 1210 can reciprocate in the second connecting pipe 1209, when the first piston 1210 moves in a direction away from the working pipe 1205, negative pressure is generated in the working pipe 1205, meanwhile, the first one-way valve 1207 is opened, the second one-way valve 1208 is closed, at this time, lubricating oil in the mounting cover 11 enters the filter box 1203 through the liquid suction pipe 1201, scrap iron is filtered and collected in the filter box 1203, filtered lubricating oil enters the working tube 1205 through the first connecting tube 1204, when the first piston 1210 moves towards the direction close to the working tube 1205, the lubricating oil in the working tube 1205 can be extruded, meanwhile, the first one-way valve 1207 is closed, the second one-way valve 1208 is opened, at the moment, the lubricating oil in the working tube 1205 enters the mounting cover 11 through the liquid spraying tube 1206 and is impacted at the meshing position of the gear ring 105 and the gear 106 after being extruded, and the radiating fins 1202 can play a good cooling effect on the lubricating oil, and the lubricating oil can be cooled and filtered in a circulating way, so that the lubricating effect on the gear ring 105 and the gear 106 is better, the transmission effect is better, and the variable pitch control is ensured to be executed more smoothly, more accurately and reliably;
When lubricating oil enters the liquid suction pipe 1201, the lubricating oil impacts the surface of the fan 502 to rotate, the fan 502 rotates to drive the second rotating shaft 501 and the rotating rod 402 to rotate so as to drive the sleeve 403 to rotate, so that the brush hair 404 can sweep the bottom of the gear ring 105, meanwhile, when the end part of the second pushing rod 701 abuts against the side wall of the second bulge 702, the sleeve 403 is pushed to slide along the side wall of the rotating rod 402, meanwhile, the second spring 603 is compressed, when the end part of the second pushing rod 701 passes over the side wall of the second bulge 702, the sleeve 403 can move and reset under the action of the second spring 603, and the brush hair 404 can sweep the bottom of the gear ring 105 in a reciprocating manner, so that the sweeping efficiency is higher, the effect is better, the transmission effect of the gear ring 105 and the gear 106 is better, the variable pitch control is further ensured to be performed more smoothly, the scrap iron can be played more accurately and reliably, and the scrap iron can be filtered and collected in the lubricating oil circulating process, so that the scrap iron is filtered and collected conveniently;
When the amount of lubricant in the installation housing 11 is small, the extrusion force of the lubricant to the second piston 1003 is small, at this time, under the action of the third spring 904, the sliding plate 806 moves towards the direction close to the fixed pipe 1002, so that the through hole 804 coincides with the fourth connecting pipe 802 and the third connecting pipe 805, when the first connecting pipe 1204 pumps the lubricant, the lubricant in the oil storage tank 801 is pumped in through the fourth connecting pipe 802 and enters the installation housing 11 after passing through the working pipe 1205 and the liquid spraying pipe 1206, so that the automatic oil supply operation can be performed in the installation housing 11, the sufficient amount of the lubricant is ensured, the lubrication effect on the gear ring 105 and the gear 106 is better, the transmission effect is better, the variable pitch control is smoother, more accurate and reliable, and when the lubricant in the installation housing 11 is large enough, the extrusion force of the lubricant to the second piston 1003 is large, so that the sliding plate 806 is pushed by the third pushing rod 1001 to move, the through hole 804 is staggered with the fourth connecting pipe 802 and the third connecting pipe 805, and the oil supply is stopped.
To sum up: the invention has the advantages that the lubricating oil is filled between the mounting cover 11 and the gear ring 105; the lubricating oil is circularly cooled and filtered; the bottom of the gear ring 105 can be cleaned in a reciprocating manner, scrap iron can be lifted, and filtering and collecting are performed in the lubricating oil circulation process, so that the scrap iron can be filtered and collected conveniently; the automatic oil supply operation can be carried out in the installation cover 11, the sufficient quantity of lubricating oil is ensured, the lubricating effect on the gear ring 105 and the gear 106 is better, the transmission effect is better, and further, the smoothness, the accuracy and the reliability of the variable pitch control are ensured.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (8)
1. The utility model provides a variable pitch control executor of wind generating set, includes kuppe (101), wheel hub (102), blade (103), wind speed sensor (104), ring gear (105), gear (106) and variable pitch motor (107) that set up on wind generating set body (1), blade (103) are inserted and are established in wheel hub (102) and rotate with it and connect, and ring gear (105) fixed connection is in the tip of blade (103), characterized in that, fixedly connected with installation cover (11) in wheel hub (102), and the tip of installation cover (11) rotates with the tip of ring gear (105) to be connected, the inside wall of installation cover (11) is fixedly connected with backup pad (13), and gear (106) rotates through the lateral wall of first pivot (14) with backup pad (13) to be connected, variable pitch motor (107) fixed connection is at the tip of installation cover (11), and install the tip of cover (11) and be filled with lubricating oil, install the tip of cover (11) and be provided with be used for carrying out circulation filtering to lubricating oil, and install the tip of automatic mechanism that carries out cleaning to install the piece (105) to be used for carrying out in installation cover (11);
The circulating mechanism comprises a liquid suction pipe (1201) fixedly inserted into the end part of the mounting cover (11), the side wall of the liquid suction pipe (1201) is fixedly connected with a radiating fin (1202), the other end of the liquid suction pipe (1201) is fixedly connected with a filter box (1203), the side wall of the filter box (1203) is fixedly connected with a first connecting pipe (1204), a first one-way valve (1207) is arranged in the first connecting pipe (1204), the upper end of the first connecting pipe (1204) is fixedly connected with a working pipe (1205), the upper end of the working pipe (1205) is fixedly connected with a liquid spraying pipe (1206), a second one-way valve (1208) is arranged in the liquid spraying pipe (1206), the other end of the liquid spraying pipe (1206) penetrates into the mounting cover (11) and is sprayed at the meshing position of the gear (106) and the gear ring gear (105), the side wall of the working pipe (1205) is fixedly connected with a second connecting pipe (1209), and the second connecting pipe (1209) is internally connected with a first piston (1210) through a moving mechanism;
The moving mechanism comprises a moving rod (201) fixedly connected to the end of a first piston (1210), the other end of the moving rod (201) is fixedly connected with a first moving block (202), two symmetrically arranged first T-shaped guide rods (301) are inserted into the side wall of the first moving block (202), one ends of the first T-shaped guide rods (301) are fixed to the side wall of a working tube (1205), a baffle ring (302) is fixedly sleeved on the side wall of the first T-shaped guide rods (301), a first spring (303) is sleeved on the side wall of the first T-shaped guide rods (301), a rotating disc (204) is fixedly sleeved on the side wall of the first rotating shaft (14), a plurality of first bulges (205) are fixedly connected to the end of the rotating disc (204), a first pushing rod (203) is fixedly connected to the side wall of the first moving block (202), and the other ends of the first pushing rods (203) penetrate into a mounting cover (11) and slide on the side wall of the first bulges (205).
2. The variable pitch control actuator of a wind generating set according to claim 1, wherein the cleaning mechanism comprises a supporting block (401) fixedly connected in a liquid suction pipe (1201), a rotating rod (402) is rotatably connected to the side wall of the supporting block (401), a sleeve (403) is sleeved on the side wall of the rotating rod (402), a plurality of bristles (404) arranged in an array are fixedly connected to the side wall of the sleeve (403), a first reset mechanism is arranged between the sleeve (403) and the rotating rod (402), movement of the sleeve (403) is pushed by a first pushing mechanism, and rotation of the rotating rod (402) is driven by a driving mechanism.
3. The variable pitch control actuator of a wind generating set according to claim 2, wherein the first reset mechanism comprises two symmetrically arranged second T-shaped guide rods (601) fixedly connected to the end part of the sleeve (403), the side walls of the second T-shaped guide rods (601) are sleeved with second moving blocks (602), the second moving blocks (602) are sleeved on the side walls of the rotating rods (402), and the side walls of the second T-shaped guide rods (601) are sleeved with second springs (603).
4. A pitch control actuator for a wind power generator unit according to claim 2, wherein the first pushing mechanism comprises a plurality of second protrusions (702) fixedly connected to the inner side wall of the mounting cover (11) and arranged in an array, the end of the sleeve (403) is fixedly connected to a second pushing rod (701), and the other end of the second pushing rod (701) slides on the side wall of the second protrusions (702).
5. A pitch control actuator for a wind turbine according to claim 2, wherein the driving mechanism comprises a second shaft (501) rotatably connected to a side wall of the supporting block (401), one end of the second shaft (501) is fixed to an end of the rotating rod (402), and a fan (502) is fixedly sleeved on a side wall of the second shaft (501).
6. The variable pitch control actuator of a wind generating set according to claim 1, wherein the oil supply mechanism comprises an oil storage tank (801) fixedly connected to the top of a filter tank (1203), a third connecting pipe (805) is fixedly connected to the top of the oil storage tank (801), a fixed cover (803) is fixedly connected to the upper end of the third connecting pipe (805), a fourth connecting pipe (802) is fixedly connected to the top of the fixed cover (803), the other end of the fourth connecting pipe (802) is fixed to the side wall of a liquid spraying pipe (1206), a sliding plate (806) is slidably connected to the fixed cover (803), a through hole (804) is formed in the top of the sliding plate (806), the sliding plate (806) is connected to the side wall of the fixed cover (803) through a second reset mechanism, and movement of the sliding plate (806) is pushed through a second pushing mechanism.
7. The variable pitch control actuator of a wind generating set according to claim 6, wherein the second reset mechanism comprises two symmetrically arranged first connecting blocks (901) fixedly connected to the side wall of the sliding plate (806), the side wall of the first connecting blocks (901) is fixedly connected with two symmetrically arranged third T-shaped guide rods (902), the side wall of the third T-shaped guide rods (902) is sleeved with a second connecting block (903), the second connecting block (903) is fixed to the side wall of the fixed cover (803), and the side wall of the third T-shaped guide rods (902) is sleeved with a third spring (904).
8. The variable pitch control actuator of a wind turbine generator system according to claim 6, wherein the second pushing mechanism comprises a fixed pipe (1002) fixedly inserted into an end of the mounting cover (11), a second piston (1003) is slidably connected in the fixed pipe (1002), a third pushing rod (1001) is fixedly connected to an end of the second piston (1003), and the other end of the third pushing rod (1001) is fixed to a side wall of the sliding plate (806).
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| CN202311820574.9A CN117823339B (en) | 2023-12-27 | 2023-12-27 | Variable pitch control actuator of wind generating set |
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| CN202311820574.9A CN117823339B (en) | 2023-12-27 | 2023-12-27 | Variable pitch control actuator of wind generating set |
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