Planet carrier for wind driven generator

Abstract

The planet carrier comprises a carrier body, a sun wheel hole is formed in the middle of the front surface of the carrier body, planet wheel holes distributed annularly are formed in eccentric ends of the front side face and the rear side face of the carrier body, and the planet carrier further comprises a self-lubricating mechanism. The self-lubricating mechanism comprises oil storage grooves, arc-shaped grooves, rotating pipes and oil injection holes, the oil storage grooves are formed in the front side face and the rear side face of the frame body respectively, the arc-shaped grooves are formed in the inner arc faces of the planet wheel holes respectively and communicate with the adjacent oil storage grooves respectively, and the elastic limiting rotating pipes are rotationally connected to the interiors of the planet wheel holes respectively. According to the planet carrier for the wind driven generator, lubricating oil can be automatically added to the rotating position of the planet wheel in the working process of the wind driven generator, compared with manual lubricating oil adding, lubricating oil adding is more timely, labor input is reduced, and the planet carrier for the wind driven generator is more convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to wind driven generator technical field, concretely is a kind of for wind driven generator's planet carrier. BACKGROUND

[0002] Wind driven generator is a kind of electric power equipment for converting wind energy into electric energy, its core principle is through wind energy driving wind wheel rotation, and then driving generator to generate electricity, its structure mainly includes wind wheel, cabin, tower, control system and auxiliary system etc., wherein gear box is arranged inside cabin, and planetary gear box is mostly used, wind wheel low speed is promoted to high speed suitable for generator work, and planet carrier is the component for providing support for planetary gear structure installed inside gear box;In prior art, the authorization publication number CN 213017642U proposes the planet carrier for wind driven generator, including machine cylinder, frame body and end cover;Machine cylinder is arranged at the rear end of frame body, end cover is arranged at the front end of frame body, four second assembly holes are opened on end cover;The center of frame body is opened with first assembly hole, the side surface of frame body has four openings, the edge of opening has oil overflow groove, the bottom of frame body is opened with third assembly hole, third assembly hole is blind hole, the bottom of third assembly hole has oil inlet hole;Tapered groove is opened in the bottom of frame body, although under the action of oil overflow groove, lubricating oil can also enter into gear ring, and it is not necessary to add lubricating oil to gear ring separately, but the addition of lubricating oil still needs manual operation, and in the working process of wind driven generator, the situation that lubricating oil is not added in time is prone to occur. UTILITARY MODEL CONTENTS

[0003] The utility model solves the technical problem of overcoming the defects of prior art, provides a planet carrier for wind driven generator, can automatically add lubricating oil to the rotating position of planet wheel in the working process of wind driven generator, makes the addition of lubricating oil more timely, reduces the input of manual operation, makes the use of wind driven generator planet carrier more convenient, and can effectively solve the problems in the background art.

[0004] To achieve the above object, the utility model provides the following technical scheme: a planet carrier for wind driven generator, including frame body, the front surface middle part of frame body is equipped with sun gear hole, frame body's front and back side surface eccentric end is equipped with annular distribution planet wheel hole, still includes self-lubricating mechanism;

[0005] The self-lubricating mechanism comprises oil storage grooves, arc grooves, rotating tubes and oil injection holes, the oil storage grooves are arranged on the front and rear sides of the frame body respectively, the arc grooves are arranged on the inner arc surfaces of the planetary wheel holes respectively, the arc grooves are communicated with the adjacent oil storage grooves respectively, the rotating tubes are rotatably connected to the interiors of the planetary wheel holes respectively, the inner arc surfaces of the rotating tubes are provided with the oil injection holes, the oil injection holes are mounted in cooperation with the arc grooves, the injection and stop of the lubricating oil are controlled through the friction force between the planetary wheel rotating shafts and the rotating tubes, the lubricating oil can be automatically added to the rotating position of the planetary wheel during the working process of the wind driven generator, compared with manual lubricating oil adding, the lubricating oil can be added more timely, the labor input is reduced, and the wind driven generator planetary frame is more convenient to use.

[0006] Further, the self-lubricating mechanism further comprises torsion springs, the torsion springs are movably sleeved on the outer arc surfaces of the rotating tubes, one ends of the torsion springs away from the center of the frame body are fixedly connected with the rotating tubes respectively, and the other ends of the torsion springs are connected with the frame body.

[0007] Further, the self-lubricating mechanism further comprises sealing plates and sealing rubber pads, the sealing plates are arranged on the front and rear sides of the frame body respectively, the sealing rubber pads are arranged between the sealing plates and the sides of the frame body, one ends of the torsion springs close to the center of the frame body are fixedly connected with the sealing plates respectively, and the lubricating oil is limited to flow in the oil storage grooves and the arc grooves.

[0008] Further, the self-lubricating mechanism further comprises connecting grooves and oil filling pipes, the connecting grooves are arranged on the front and rear sides of the frame body respectively, the three oil storage grooves on the same side of the frame body are communicated with one connecting groove, and the oil filling pipes are arranged at the oil filling openings on the surfaces of the sealing plates and communicated with the adjacent connecting grooves respectively, so that the lubricating oil is conveniently added.

[0009] Further, the number of the oil injection holes is same as that of the arc grooves, and the three arc grooves in the same planetary wheel hole are distributed in a ring shape with the axis of the planetary wheel hole as the center, so that the lubricating oil is discharged more quickly and uniformly.

[0010] Further, the transparent plates are arranged at the observation windows of the sealing plates and longitudinally coincide with the connecting grooves, so that the remaining amount of the lubricating oil in the connecting grooves is conveniently observed.

[0011] Further, the sealing rings are arranged in the mounting grooves of the outer arc surfaces of the rotating tubes and are attached to the inner arc surfaces of the planetary wheel holes, and the oil injection holes are located between the two sealing rings in the same rotating tube, so that the rotating tube and the planetary wheel hole are sealed.

[0012] Compared with the prior art, the wind driven generator planetary frame has the following advantages:

[0013] The rotation position of the planetary gear is automatically added with lubricating oil in the working process of the wind driven generator by controlling the adding and stopping of the lubricating oil through the friction force between the planetary wheel rotation shaft and the rotating pipe, compared with manually adding the lubricating oil, the adding of the lubricating oil is more timely, the labor input is reduced, and the use of the planetary carrier of the wind driven generator is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structure schematic diagram of the whole device of the utility model;

[0015] Figure 2 It is a structure schematic diagram of the whole device of the utility model;

[0016] Figure 3 It is a structure schematic diagram of the whole device of the utility model;

[0017] Figure 4 It is a structure schematic diagram of the whole device of the utility model;

[0018] In the drawing: 1 frame body, 2 sun wheel hole, 3 planetary wheel hole, 4 self-lubricating mechanism, 41 oil storage groove, 42 arc-shaped groove, 43 rotating pipe, 44 oil injection hole, 45 torsional spring, 46 connecting groove, 47 sealing plate, 48 sealing rubber pad, 49 oil filling pipe, 5 transparent plate, 6 sealing ring. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] Please refer to Figures 1-4 The embodiment provides a technical scheme: a planetary carrier for a wind driven generator, which comprises a frame body 1, which provides support for the arrangement of a planetary gear mechanism of the wind driven generator, a sun wheel hole 2 is arranged in the middle of the front surface of the frame body 1, so that the sun wheel of the wind driven generator is conveniently assembled, eccentric ends of the front and rear sides of the frame body 1 are each provided with annularly distributed planetary wheel holes 3, so that the planetary wheel of the wind driven generator is conveniently assembled, and further comprising a self-lubricating mechanism 4.

[0021] Self-lubricating mechanism 4: it includes oil storage tank 41, arc-shaped groove 42, rotating tube 43 and oil injection hole 44, the oil storage tank 41 is arranged on the front and rear side of the frame body 1 respectively, the arc-shaped groove 42 is arranged on the inner arc surface of the planetary gear hole 3 respectively, the arc-shaped groove 42 is communicated with the adjacent oil storage tank 41 respectively, the elastic limit rotating tube 43 is rotatably connected in the inner part of the planetary gear hole 3 respectively, the inner arc surface of the rotating tube 43 is provided with the oil injection hole 44, the oil injection hole 44 is matched with the arc-shaped groove 42 and is installed, in the use process, the rotating shaft of the planetary gear passes through the inner part of the rotating tube 43 and is rotatably connected with the rotating tube 43 through the bearing, with the use of the wind driven generator, when the bearing connected with the planetary gear rotating shaft lacks lubrication, the friction between the planetary gear rotating shaft and the rotating tube 43 will increase, under the influence of the friction, the elastic limit of the rotating tube 43 is overcome, the rotating tube 43 is rotated, when the oil injection hole 44 coincides with the arc-shaped groove 42, the lubricating oil in the oil storage tank 41 will flow out through the arc-shaped groove 42 and the oil injection hole 44, lubricates the rotating part of the planetary gear rotating shaft, reduces the friction between the planetary gear rotating shaft and the rotating tube 43, with the reduction of the friction, through the elastic limit of the rotating tube 43, the rotating tube 43 is reset, when the arc-shaped groove 42 is misaligned with the oil injection hole 44, the lubricating oil no longer flows out, automatically lubricates the rotating part of the planetary gear, ensures the normal work of the wind driven generator, the self-lubricating mechanism 4 further includes torsion spring 45, the torsion spring 45 is movably sleeved on the outer arc surface of the rotating tube 43 respectively, the end of the torsion spring 45 away from the center of the frame body 1 is fixedly connected with the rotating tube 43 respectively, the other end of the torsion spring 45 is connected with the frame body 1, provides the elastic limit for the rotating tube 43, the self-lubricating mechanism 4 further includes sealing plate 47 and sealing rubber pad 48, the sealing plate 47 is arranged on the front and rear side of the frame body 1 respectively, the sealing rubber pad 48 is arranged between the sealing plate 47 and the side of the frame body 1, the end of the torsion spring 45 close to the center of the frame body 1 is fixedly connected with the sealing plate 47 respectively, seals the front and rear side of the frame body 1, makes the lubricating oil flow in the oil storage tank 41 and the arc-shaped groove 42, the self-lubricating mechanism 4 further includes connecting groove 46 and oil filler pipe 49, the connecting groove 46 is arranged on the front and rear side of the frame body 1 respectively, the three oil storage tanks 41 on the same side of the frame body 1 are communicated with a connecting groove 46, the oil filler pipe 49 is arranged at the oil filling port on the surface of the sealing plate 47 respectively, the oil filler pipe 49 is communicated with the adjacent connecting groove 46 respectively, lubricating oil is added to the connecting groove 46 through the oil filler pipe 49, under the distribution of the connecting groove 46, the lubricating oil is stored in the oil storage tank 41, the number of oil injection holes 44 is same with the number of arc-shaped grooves 42, the three arc-shaped grooves 42 in the same planetary gear hole 3 are distributed in a ring shape around the axis of the planetary gear hole 3, the arc-shaped groove 42 and the oil injection hole 44 are used to make the lubricating oil flow out more quickly and uniformly, the observation window of the sealing plate 47 is provided with transparent plate 5, the transparent plate 5 is longitudinally coincided with the connecting groove 46, the transparent plate 5 is rotated to the lower end position of the frame body 1, at this time, the lubricating oil is concentrated in the lower end of the connecting groove 46, the liquid level of the lubricating oil in the connecting groove 46 is observed through the transparent plate 5, whether to add lubricating oil is judged,The outer arc surface of the rotating pipe 43 is provided with a sealing ring 6 in the mounting groove, the sealing ring 6 is attached to the inner arc surface of the planetary gear hole 3, the oil injection hole 44 is located between the two sealing rings 6 in the same rotating pipe 43, the sealing ring 6 is a ceramic sealing ring, and the inner arc surface of the planetary gear hole 3 and the outer arc surface of the rotating pipe 43 are sealed.

[0022] The working principle of the planet carrier for the wind driven generator is as follows: in use, the sun gear of the wind driven generator is assembled through the sun gear hole 2, the planetary gear of the wind driven generator is assembled through the planetary gear hole 3, the lubricating oil is injected into the connecting groove 46 through the oil filling pipe 49, the lubricating oil is stored in the oil storage groove 41 under the distribution of the connecting groove 46, at the moment, the arc-shaped groove 42 is dislocated with the oil injection hole 44, in the use process, the rotating shaft of the planetary gear passes through the inside of the rotating pipe 43 and is rotationally connected with the rotating pipe 43 through the bearing, along with the use of the wind driven generator, when the bearing connected with the rotating shaft of the planetary gear lacks lubrication, the friction between the rotating shaft of the planetary gear and the rotating pipe 43 will increase, under the influence of the friction, the torsion of the torsion spring 45 is overcome, so that the rotating pipe 43 rotates, when the oil injection hole 44 is coincided with the arc-shaped groove 42, the lubricating oil in the oil storage groove 41 flows out through the arc-shaped groove 42 and the oil injection hole 44, the lubricating oil flows out more quickly and uniformly through the annular distribution of the arc-shaped groove 42 and the oil injection hole 44, the rotating part of the rotating shaft of the planetary gear is lubricated, the friction between the rotating shaft of the planetary gear and the rotating pipe 43 is reduced, along with the reduction of the friction, the rotating pipe 43 is reset under the torsion of the torsion spring 45, when the arc-shaped groove 42 is dislocated with the oil injection hole 44, the lubricating oil no longer flows out, and the rotating part of the planetary gear is automatically lubricated, so that the normal work of the wind driven generator is ensured.

[0023] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion according to the content of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A planet carrier for a wind power generator, comprising a carrier body (1), a sun gear hole (2) is arranged in the middle of the front surface of the carrier body (1), and planet gear holes (3) are arranged in an annular distribution on the eccentric ends of the front and rear sides of the carrier body (1), characterized in that: It also includes self-lubricating mechanism (4) ; Self-lubricating mechanism (4) : it includes oil tank (41), arc groove (42), rotating pipe (43) and oil injection hole (44), the oil tank (41) is arranged on the front and back side of the frame body (1) respectively, the arc groove (42) is arranged on the inner arc surface of the planetary wheel hole (3) respectively, the arc groove (42) is communicated with the adjacent oil tank (41) respectively, the elastic limiting rotating pipe (43) is rotatably connected in the interior of the planetary wheel hole (3) respectively, the inner arc surface of the rotating pipe (43) is provided with oil injection hole (44), and the oil injection hole (44) is matched with the arc groove (42) and is installed.

2. A planet carrier for a wind generator as claimed in claim 1, characterized in that: The self-lubricating mechanism (4) further comprises a torsion spring (45), the torsion spring (45) is movably sleeved on the outer arc surface of the rotating pipe (43), one end of the torsion spring (45) away from the center of the frame body (1) is fixedly connected with the rotating pipe (43), and the other end of the torsion spring (45) is connected with the frame body (1).

3. A planet carrier for a wind generator as claimed in claim 2, characterised in that: The self-lubricating mechanism (4) further comprises a sealing plate (47) and a sealing rubber pad (48), the sealing plate (47) is arranged on the front and back side of the frame body (1) respectively, the sealing rubber pad (48) is arranged between the sealing plate (47) and the side surface of the frame body (1), and one end of the torsion spring (45) close to the center of the frame body (1) is fixedly connected with the sealing plate (47).

4. A planet carrier for a wind generator as claimed in claim 3, characterised in that: The self-lubricating mechanism (4) further comprises a connecting groove (46) and an oil filling pipe (49), the connecting groove (46) is arranged on the front and back side of the frame body (1) respectively, three oil tanks (41) on the same side of the frame body (1) are communicated with a connecting groove (46), and the oil filling pipe (49) is arranged at the oil filling port on the surface of the sealing plate (47).

5. A planet carrier for a wind generator as defined in claim 1, characterized in that: The number of oil injection holes (44) is same as that of arc grooves (42), and the three arc grooves (42) in the same planetary wheel hole (3) are distributed in a ring shape with the axis of the planetary wheel hole (3) as the center.

6. A planet carrier for a wind generator as claimed in claim 4, characterised in that: The observation window of the sealing plate (47) is provided with a transparent plate (5), and the transparent plate (5) is longitudinally coincided with the connecting groove (46).

7. A planet carrier for a wind generator as defined in claim 1, characterized in that: The outer arc surface of the rotating pipe (43) is provided with a sealing ring (6) in the mounting groove, the sealing ring (6) is attached to the inner arc surface of the planetary wheel hole (3), and the oil injection hole (44) is located between the two sealing rings (6) in the same rotating pipe (43).

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