CN112283052A

CN112283052A - Positioning device for machine head rotating structure of wind driven generator

Info

Publication number: CN112283052A
Application number: CN202011261455.0A
Authority: CN
Inventors: 邵侠
Original assignee: Individual
Current assignee: Jiaokou County Qipanshan New Energy Co Ltd
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-01-29
Anticipated expiration: 2040-11-12
Also published as: CN112283052B

Abstract

The invention discloses a positioning device of a machine head rotating structure of a wind driven generator, which comprises a machine head shell, wherein a fixed snap ring is arranged in the machine head shell, the fixed snap ring and the machine head shell are coaxially arranged, the inner wall of the fixed snap ring is provided with a plurality of fixing grooves, an oil conveying pipe is arranged in the fixed snap ring, one end of the oil conveying pipe is provided with a conveying pipe, oil cylinders are respectively arranged at two ends of the conveying pipe, a first piston is respectively arranged at one end of each of the two oil cylinders, which is opposite to each other, a second piston is respectively arranged at one end of each of the two oil cylinders, the two pistons respectively extend into the corresponding fixing grooves, and an arc-shaped block is respectively arranged at one end. The fixed clamping ring mounting structure is reasonable in structure, mounting and dismounting of the fixed clamping ring can be achieved through one-step operation, mounting efficiency of the fixed clamping ring can be greatly improved during production, convenience is provided for workers, the fixed clamping ring cannot penetrate through a machine head shell, and compared with the prior art, the fixed clamping ring mounting structure is higher in strength.

Description

Positioning device for machine head rotating structure of wind driven generator

Technical Field

The invention relates to the technical field of a machine head positioning device of a wind driven generator, in particular to a positioning device of a machine head rotating structure of the wind driven generator.

Background

The wind power generator is an electric power device which converts wind energy into mechanical work, the mechanical work drives a rotor to rotate, and finally outputs alternating current, the wind power generator generally comprises components such as a wind wheel, a generator (including a device), a direction regulator (empennage), a tower frame, a speed-limiting safety mechanism, an energy storage device and the like, the working principle of the wind power generator is simpler, the wind wheel rotates under the action of wind power, kinetic energy of the wind is converted into mechanical energy of a wind wheel shaft, the generator rotates under the drive of the wind wheel shaft to generate electricity, in a broad sense, the wind energy is also solar energy, so the wind power generator can be said to be a wind power generator, the wind power generator is a heat source, and the heat energy of atmosphere.

In order to continuously work in different wind direction environments, the wind-following and rotating device capable of automatically tracking the wind direction is used, when the wind direction is finished, the wind-following and rotating device needs to work towards the wind direction relatively stably, the swinging of the machine head can be caused due to the non-constant wind direction of the natural wind, the abrasion of the machine head can be caused by the long-term swinging, therefore, the slewing mechanism of the wind driven generator must be designed with a positioning device for fixing the fan blades towards the wind direction relatively stably, the conventional slewing mechanism consists of a turbine worm, the slewing mechanism is fixed by utilizing the unidirectional transmission characteristic of the turbine worm, so that the slewing mechanism can only be driven by the motor to track the wind direction, the wind driven generator cannot deviate from the required wind direction under the action of wind power, but the method has the disadvantages that loads exist between the turbine worm and the worm when the wind direction is not fixed, and sudden high wind power even can cause the worm to break to cause accidents; secondly, the mode is realized by active driving, so that the cost is high, the energy consumption is high, and the economical efficiency is poor; the existing positioning device of the machine head rotating structure of the wind driven generator has poor use effect and poor positioning effect, and does not have great protection to the machine head.

The prior art discloses a positioning device of a machine head rotating structure of a wind driven generator with application number of CN201922309752.7, which relates to the technical field of machine head positioning devices of wind driven generators, and solves the problems; it includes aircraft nose casing, transmission shaft and fixed snap ring, the inside of aircraft nose casing is provided with transmission shaft and fixed snap ring, the fixed surface fixedly connected with fixed block of fixed snap ring, fixed snap ring passes through fixed block and aircraft nose casing fixed connection. This aerogenerator's aircraft nose revolution mechanic's positioner, on the one hand through setting up first piston, makes it in hydraulic means work, can receive the direction motion that oil pressed to fixed snap ring to final card is in the inside recess of seting up of fixed snap ring, so that to carry on spacingly and lock to fixed snap ring and die, thereby fix a position the aircraft nose shell, the effectual location effect to the generator aircraft nose that has strengthened, and can not damage the generator aircraft nose.

The above-mentioned patent weak point lies in, and is comparatively inconvenient to the installation dismantlement of fixed snap ring, especially through the bolt installation, and the installation is loaded down with trivial details and the installation effectiveness is low, greatly reduced the quality of production, and need run through the aircraft nose casing setting, can reduce the intensity of aircraft nose casing, therefore we have designed a positioner of aerogenerator's aircraft nose revolution mechanic and have solved above problem.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a positioning device of a machine head rotating structure of a wind driven generator, which can realize the installation and the disassembly of a fixed snap ring through one-step operation, further greatly improve the installation efficiency of the fixed snap ring during production, provide convenience for workers, cannot penetrate through a machine head shell, and has higher strength compared with the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme:

a positioning device of a machine head rotating structure of a wind driven generator comprises a machine head shell, wherein a fixed snap ring is arranged in the machine head shell, the fixed snap ring and the machine head shell are arranged in a coaxial line, a plurality of fixing grooves are formed in the inner wall of the fixed snap ring, an oil conveying pipe is arranged in the fixed snap ring, a conveying pipe is installed at one end of the oil conveying pipe, oil cylinders are installed at two ends of the conveying pipe, first pistons are installed at the opposite ends of the two oil cylinders, second pistons are installed at the opposite ends of the two oil cylinders, the two first pistons extend into the opposite fixing grooves respectively, arc-shaped blocks are installed at the opposite ends of the two second pistons, a speed reducing pad is installed at the opposite side of each of the two arc-shaped blocks, four fixing blocks are fixedly connected with the outer wall of the fixed snap ring, sliding grooves are formed in the four fixing blocks, and communicated grooves communicated with the sliding grooves are, four equal sliding connection has the fixture block, four in the sliding tray all be equipped with canceling release mechanical system between fixture block and the relative sliding tray, the inner wall of aircraft nose casing is equipped with four draw-in grooves relative with four fixture blocks, four the fixture block runs through relative fixed block respectively and rather than sliding connection, and four the fixture block extends to respectively in the relative draw-in groove, four be equipped with actuating mechanism jointly between fixture block and the four fixed block, one of them be equipped with stop gear between fixed block and the actuating mechanism.

Preferably, the resetting mechanism comprises two limiting grooves arranged at the bottom and the top in the sliding groove, two guide blocks are connected in the limiting grooves in a sliding mode, the guide blocks are fixedly connected with the fixture blocks, the inner walls of the two limiting grooves are fixedly connected with hollow rods, hollow cavities are arranged in the hollow rods, moving blocks are connected in the hollow cavities in a sliding mode, first springs are fixedly connected with the moving blocks and the inner walls of the hollow cavities opposite to the moving blocks, sliding rods are fixedly connected with the other ends of the moving blocks, the sliding rods respectively penetrate through the hollow rods on the same side and are connected with the hollow rods in a sliding mode, and the sliding rods are fixedly connected with the guide blocks on the same side.

Preferably, the driving mechanism includes a driving ring located outside the fixed snap ring, the driving ring penetrates through the four communicating grooves and is slidably connected therewith, the driving ring is fixedly connected with four driving blocks, the four driving blocks respectively abut against the four snap blocks, and the limiting mechanism is located between the driving ring and one of the fixed blocks.

Preferably, four the intercommunication groove is the arc wall, just the inner wall of fixed snap ring offsets and is connected with the inner wall of four intercommunication grooves, the outer wall of fixed snap ring is equipped with the tetrafluoro membrane.

Preferably, one surface of the driving block, which is opposite to the driving ring, is provided with a first inclined surface, one surface of the clamping block, which is opposite to the clamping groove, is provided with a second inclined surface, the first inclined surface and the second inclined surface are abutted, and the first inclined surface is matched with the second inclined surface.

Preferably, the limiting mechanism comprises a bolt penetrating through the fixing block and connected with the fixing block in a sliding mode, a pin hole penetrates through the driving ring, the bolt penetrates through the pin hole, a positioning block is fixedly connected to the upper end of the bolt, a second spring is fixedly connected between the positioning block and the fixing block, and the second spring is sleeved on the outer wall of the bolt.

Preferably, the upper end of the positioning block is fixedly connected with a pull ring, an anti-slip sleeve is sleeved outside the pull ring, and the anti-slip sleeve is made of rubber.

Preferably, four the fixed block is the rectangle distribution, and four fixed block and fixed snap ring welded connection.

Compared with the prior art, the invention has the beneficial effects that:

when the fixed snap ring needs to be installed, a worker can place the fixed snap ring in the machine head shell, the four clamping blocks are opposite to the four clamping grooves, then the worker manually rotates the driving ring, the driving ring rotates to drive the four driving blocks to rotate, the clamping blocks can move under the matching of the first inclined surface and the second inclined surface, the clamping blocks move towards the clamping grooves and are inserted into the clamping grooves, when the clamping blocks abut against the inner walls of the clamping grooves and cannot move, the pin holes are right opposite to the pins, the pins can be inserted into the pin holes under the action of the second spring, the driving ring is fixed, and therefore the clamping blocks are fixed and stably abut against the clamping grooves, the fixed snap ring is installed, the installation efficiency is greatly improved, the operation is simple and convenient, and convenience is brought to the worker; meanwhile, the clamping groove is arranged to not penetrate through and damage the machine head shell, and compared with the prior art, the strength of the machine head shell is higher;

when needs are dismantled fixed snap ring, upwards stimulate the pull ring, then the reversal drive ring, then the drive block is no longer spacing to the fixture block, under the effect of first spring, can be at first the reseing of fixture block, the fixture block resets and breaks away from the draw-in groove, so can take off fixed snap ring.

In conclusion, the fixing clamp ring is reasonable in structure, the fixing clamp ring can be installed and detached through one-step operation, the installation efficiency of the fixing clamp ring can be greatly improved during production, convenience is provided for workers, the fixing clamp ring cannot penetrate through a machine head shell, and compared with the prior art, the strength is higher.

Drawings

Fig. 1 is a schematic structural diagram of a positioning device of a head rotation structure of a wind turbine according to the present invention;

FIG. 2 is an enlarged view of a structure at the position A in the positioning device of the head rotating structure of the wind driven generator according to the present invention;

FIG. 3 is a side sectional view of a position-limiting mechanism in the positioning device of the head rotation structure of the wind power generator according to the present invention;

fig. 4 is a side sectional view of a fixing block in the positioning device of the head rotating structure of the wind driven generator according to the present invention.

In the figure: 1 aircraft nose casing, 2 fixed snap ring, 3 fixed slot, 4 driving rings, 5 first piston, 6 hydro-cylinders, 7 second piston, 8 arc piece, 9 speed reduction pad, 10 conveyer pipe, 11 defeated oil pipe, 12 fixed block, 13 sliding tray, 14 intercommunication grooves, 15 drive block, 16 fixture block, 17 draw-in groove, 18 pinhole, 19 bolt, 20 second spring, 21 locating piece, 22 pull ring, 23 spacing groove, 24 guide block, 25 cavity pole, 26 cavity chamber, 27 first spring, 28 movable block, 29 slide bar, 30 first inclined plane, 31 second inclined plane.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1-4, a positioning device for a head rotation structure of a wind driven generator comprises a head shell 1, a fixing snap ring 2 is arranged in the head shell 1, the fixing snap ring 2 is coaxially arranged with the head shell 1, a plurality of fixing grooves 3 are arranged on the inner wall of the fixing snap ring 2, an oil delivery pipe 11 is arranged in the fixing snap ring 2, a delivery pipe 10 is arranged at one end of the oil delivery pipe 11, oil cylinders 6 are arranged at both ends of the delivery pipe 10, first pistons 5 are arranged at opposite ends of the two oil cylinders 6, second pistons 7 are arranged at opposite ends of the two oil cylinders 6, the two first pistons 5 respectively extend into the opposite fixing grooves 3, arc-shaped blocks 8 are arranged at opposite ends of the two second pistons 7, a speed reducing pad 9 is arranged at one opposite side of the two arc-shaped blocks 8, the speed reducing pad 9 can reduce the speed of a transmission shaft, and the wear, simultaneously two first pistons 5 and fixed slot 3's cooperation can be dead to the spacing lock of fixed snap ring 2, above prior art, no longer give unnecessary details.

The outer wall of the fixed clamping ring 2 is fixedly connected with four fixed blocks 12, the four fixed blocks 12 are distributed in a rectangular shape, and the four fixed blocks 12 are welded with the fixed clamping ring 2; all be equipped with sliding tray 13 in four fixed blocks 12, and all run through in four fixed blocks 12 and be equipped with the communicating intercommunication groove 14 with sliding tray 13, equal sliding connection has fixture block 16 in four sliding tray 13, and four intercommunication grooves 14 are the arc wall, and the inner wall of fixed snap ring 2 offsets and is connected with the inner wall of four intercommunication grooves 14, and the outer wall of fixed snap ring 2 is equipped with the tetrafluoro membrane, frictional force when can reducing the removal, and is more smooth and easy when so rotating drive ring 4.

All be equipped with canceling release mechanical system between four fixture blocks 16 and the relative sliding tray 13, canceling release mechanical system is including setting up two spacing grooves 23 at bottom and interior top in sliding tray 13, equal sliding connection has guide block 24 in two spacing grooves 23, two guide block 24 all with fixture block 16 fixed connection, the equal fixedly connected with cavity pole 25 of inner wall of two spacing grooves 23, all be equipped with cavity 26 in two cavity poles 25, equal sliding connection has movable block 28 in two cavity 26, the equal fixedly connected with first spring 27 of inner wall of two movable blocks 28 and relative cavity 26, the equal fixedly connected with slide bar 29 of the other end of two movable blocks 28, two slide bars 29 run through the cavity pole 25 of homonymy respectively and rather than sliding connection, two slide bars 29 respectively with the guide block 24 fixed connection of homonymy, be used for fixture block 16's restoration, so conveniently dismantle retaining ring 2.

The inner wall of the handpiece shell 1 is provided with four clamping grooves 17 opposite to the four clamping blocks 16, the four clamping blocks 16 respectively penetrate through the opposite fixed blocks 12 and are in sliding connection with the opposite fixed blocks, the four clamping blocks 16 respectively extend into the opposite clamping grooves 17, a driving mechanism is jointly arranged between the four clamping blocks 16 and the four fixed blocks 12, the driving mechanism comprises a driving ring 4 positioned on the outer side of the fixed clamping ring 2, the driving ring 4 penetrates through the four communicating grooves 14 and is in sliding connection with the communicating grooves, the driving ring 4 is fixedly connected with four driving blocks 15, the four driving blocks 15 respectively abut against the four clamping blocks 16, and a limiting mechanism is positioned between the driving ring 4 and one of the fixed blocks 12; the first inclined surface 30 is arranged on the surface of the driving block 15 opposite to the driving ring 4, the second inclined surface 31 is arranged on the surface of the clamping block 16 opposite to the clamping groove 17, the first inclined surface 30 abuts against the second inclined surface 31, and the first inclined surface 30 is matched with the second inclined surface 31 so as to drive the clamping block 16 to move.

Be equipped with stop gear between one of them fixed block 12 and the actuating mechanism, stop gear is including running through fixed block 12 and rather than sliding connection's bolt 19, it is equipped with pinhole 18 to run through on the drive ring 4, bolt 19 runs through pinhole 18 and sets up, the upper end fixedly connected with locating piece 21 of bolt 19, fixedly connected with second spring 20 between locating piece 21 and the fixed block 12, second spring 20 overlaps at the outer wall of bolt 19, the upper end fixedly connected with pull ring 22 of locating piece 21, the outside cover of pull ring 22 is equipped with anti-skidding cover, the material of anti-skidding cover is rubber, conveniently stimulate pull ring 22.

In the invention, when the fixed snap ring 2 needs to be installed, a worker can place the fixed snap ring 2 in the handpiece shell 1, the four clamping blocks 16 are opposite to the four clamping grooves 17, then the worker rotates the driving ring 4 manually, the driving ring 4 rotates to drive the four driving blocks 15 to rotate, under the matching of the first inclined surface 30 and the second inclined surface 31, the movement of the fixture block 16 can be realized, the fixture block 16 moves towards the direction of the slot 17 and is inserted into the slot 17, when the block 16 is pressed against the inner wall of the slot 17 and cannot move, the pin hole 18 is opposite to the bolt 19, the insertion of the pin 19 into the pin hole 18 can be realized under the action of the second spring 20, the fixation of the drive ring 4 is realized, the fixture block 16 is fixed and stably abutted against the clamping groove 17, so that the fixture ring 2 is installed, the installation efficiency is greatly improved, the operation is simple and convenient, and convenience is brought to workers; meanwhile, the clamping groove 17 is arranged to not penetrate through the handpiece shell 1 to damage the handpiece shell 1, so that compared with the prior art, the handpiece shell 1 has higher strength;

when the fixed snap ring 2 needs to be disassembled, the pull ring 22 is pulled upwards, then the drive ring 4 is reversely rotated, the drive block 15 does not limit the fixture block 16, the fixture block 16 can reset firstly under the action of the first spring 27, the fixture block 16 resets and is separated from the clamping groove 17, and therefore the fixed snap ring 2 can be disassembled; or the pushing force generated to the blocking piece 16 by the first spring 27, the automatic reset of the driving ring 4 can be realized by the cooperation of the first inclined surface 30 and the second inclined surface 31.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The positioning device of the aircraft nose revolution structure of the wind driven generator comprises an aircraft nose shell (1) and is characterized in that a fixed snap ring (2) is arranged in the aircraft nose shell (1), the fixed snap ring (2) and the aircraft nose shell (1) are coaxially arranged, a plurality of fixed grooves (3) are formed in the inner wall of the fixed snap ring (2), an oil conveying pipe (11) is arranged in the fixed snap ring (2), a conveying pipe (10) is installed at one end of the oil conveying pipe (11), oil cylinders (6) are installed at two ends of the conveying pipe (10), first pistons (5) are installed at the two ends of the oil cylinders (6) opposite to each other, second pistons (7) are installed at the opposite ends of the two oil cylinders (6), the two first pistons (5) extend into the opposite fixed grooves (3) respectively, and arc-shaped blocks (8) are installed at the opposite ends of the two second pistons (7), the two opposite sides of the arc-shaped blocks (8) are respectively provided with a speed reducing pad (9), the outer wall of the fixed snap ring (2) is fixedly connected with four fixed blocks (12), sliding grooves (13) are respectively arranged in the four fixed blocks (12), communicating grooves (14) communicated with the sliding grooves (13) are respectively arranged in the four fixed blocks (12) in a penetrating manner, clamping blocks (16) are respectively connected in the four sliding grooves (13) in a sliding manner, a reset mechanism is respectively arranged between the four clamping blocks (16) and the opposite sliding grooves (13), the inner wall of the handpiece shell (1) is provided with four clamping grooves (17) opposite to the four clamping blocks (16), the four clamping blocks (16) respectively penetrate through the opposite fixed blocks (12) and are connected with the clamping grooves in a sliding manner, the four clamping blocks (16) respectively extend into the opposite clamping grooves (17), and a driving mechanism is jointly arranged between the four clamping blocks (16) and the four fixed blocks (12), a limiting mechanism is arranged between one of the fixed blocks (12) and the driving mechanism.

2. The positioning device of the head rotation structure of the wind driven generator according to claim 1, wherein the reset mechanism comprises two limiting grooves (23) disposed at the bottom and the top of the sliding groove (13), guide blocks (24) are slidably connected in the two limiting grooves (23), the two guide blocks (24) are fixedly connected with the fixture block (16), hollow rods (25) are fixedly connected to the inner walls of the two limiting grooves (23), hollow cavities (26) are disposed in the two hollow rods (25), moving blocks (28) are slidably connected in the two hollow cavities (26), first springs (27) are fixedly connected to the inner walls of the two moving blocks (28) and the opposite hollow cavities (26), sliding rods (29) are fixedly connected to the other ends of the two moving blocks (28), and the two sliding rods (29) respectively penetrate through the hollow rods (25) at the same side and are slidably connected therewith, the two sliding rods (29) are respectively and fixedly connected with the guide blocks (24) on the same side.

3. The positioning device of the head rotation structure of the wind driven generator according to claim 1, wherein the driving mechanism comprises a driving ring (4) located outside the fixed snap ring (2), the driving ring (4) penetrates through and is slidably connected with four communication grooves (14), four driving blocks (15) are fixedly connected to the driving ring (4), the four driving blocks (15) respectively abut against four clamping blocks (16), and the limiting mechanism is located between the driving ring (4) and one of the fixed blocks (12).

4. The positioning device of the head rotation structure of the wind driven generator as claimed in claim 3, wherein the four communication grooves (14) are arc-shaped grooves, the inner walls of the fixed snap ring (2) are abutted against and connected with the inner walls of the four communication grooves (14), and the outer wall of the fixed snap ring (2) is provided with a tetrafluoride film.

5. The positioning device of the head rotation structure of the wind driven generator according to claim 4, wherein a first inclined surface (30) is provided on a surface of the driving block (15) opposite to the driving ring (4), a second inclined surface (31) is provided on a surface of the fixture block (16) opposite to the clamping groove (17), the first inclined surface (30) and the second inclined surface (31) are abutted, and the first inclined surface (30) is matched with the second inclined surface (31).

6. The positioning device of the head rotation structure of the wind driven generator according to claim 1, wherein the limiting mechanism comprises a pin (19) penetrating through and slidably connected with a fixed block (12), a pin hole (18) is formed in the driving ring (4) in a penetrating manner, the pin (19) is arranged in a penetrating manner through the pin hole (18), a positioning block (21) is fixedly connected to the upper end of the pin (19), a second spring (20) is fixedly connected between the positioning block (21) and the fixed block (12), and the second spring (20) is sleeved on the outer wall of the pin (19).

7. The positioning device of the head rotation structure of the wind driven generator according to claim 6, wherein a pull ring (22) is fixedly connected to the upper end of the positioning block (21), an anti-slip sleeve is sleeved outside the pull ring (22), and the anti-slip sleeve is made of rubber.

8. The positioning device of the head rotating structure of the wind driven generator as claimed in claim 1, wherein four fixing blocks (12) are distributed in a rectangular shape, and the four fixing blocks (12) are welded with the fixing snap ring (2).