阅读说明：本技术 一种风力发电机用风电锁紧盘 (Wind power locking disc for wind driven generator ) 是由 常壮状 于 2021-08-27 设计创作，主要内容包括：本发明涉及风力发电设备领域,且公开了一种风力发电机用风电锁紧盘,包括外套、主轴,所述外套的两侧分别设有第一内环、第二内环,所述第一内环、第二内环与外套的连接面均为斜面,且第一内环、第二内环均套装在外套的外侧,所述第一内环和第二内环均通过螺栓固定在外套上,所述外套内设有若干位于螺栓一侧的弧形承载块。通过外套两侧第一内环、第二内环的结构设计,配合固定第一内环、第二内环的螺栓联动外套内的弧形承载块、限位块,通过限位块对第一内环、第二内环进行固定从而利用弧形槽的弧形承载块进行承载外套,来应对强阵风、湍流风、瞬时冲击等对风电锁紧盘额定传递扭矩,提高了风电锁紧盘的轴向力抗冲击性能。(The invention relates to the field of wind power generation equipment, and discloses a wind power locking disc for a wind power generator, which comprises an outer sleeve and a main shaft, wherein a first inner ring and a second inner ring are respectively arranged on two sides of the outer sleeve, the connecting surfaces of the first inner ring and the outer sleeve are inclined surfaces, the first inner ring and the second inner ring are sleeved on the outer side of the outer sleeve, the first inner ring and the second inner ring are fixed on the outer sleeve through bolts, and a plurality of arc-shaped bearing blocks positioned on one side of the bolts are arranged in the outer sleeve. Through the structural design of the first inner ring of overcoat both sides, the second inner ring, thereby the arc carrier block in the bolt linkage overcoat of the fixed first inner ring of cooperation, second inner ring, stopper bear the overcoat through the arc carrier block that the stopper was fixed first inner ring, second inner ring utilization arc wall, deal with strong gust wind, turbulent wind, instantaneous impact etc. and to the rated transmission moment of torsion of wind-powered electricity generation locking dish, improved the anti impact performance of axial force of wind-powered electricity generation locking dish.)

1. The utility model provides a wind-powered electricity generation locking dish for aerogenerator, includes overcoat (1), main shaft (2), its characterized in that: the utility model discloses a novel bearing outer sleeve, including overcoat (1), the both sides of overcoat (1) are equipped with first inner ring (3), second inner ring (4) respectively, first inner ring (3), second inner ring (4) are the inclined plane with being connected of overcoat (1), and first inner ring (3), second inner ring (4) all suit in the outside of overcoat (1), first inner ring (3) and second inner ring (4) all fix on overcoat (1) through bolt (5), be equipped with a plurality of arc carrier blocks (6) that are located bolt (5) one side in overcoat (1), and go back movable sleeve in overcoat (1) and be equipped with stopper (8) that a plurality of arc carrier blocks (6) are located below, and the inclined plane activity joint of the bottom of stopper (8) and first inner ring (3), second inner ring (4).

2. The wind power locking disc for the wind power generator as set forth in claim 1, wherein: the novel outer sleeve is characterized in that two groups of through grooves are formed in the outer sleeve (1), the number of the through grooves in each group is six, the through grooves in each group are symmetrical about the axis of the outer sleeve (1), the through grooves in each group are distributed in a staggered mode and are formed by communicated thread grooves and arc grooves, the arc center axis of each arc groove and the axis of the outer sleeve (1) are the same straight line, one group of the thread grooves in the through grooves face the first inner ring (3), the other group of the thread grooves in the through grooves face the second inner ring (4), the first inner ring (3) and the second inner ring (4) are fixed on the outer sleeve (1) through bolts (5) in threaded sleeve connection with the thread grooves, the arc bearing blocks (6) are movably sleeved in the arc grooves, vertical grooves (101) located outside the arc grooves are formed in the outer sleeve (1), and the vertical grooves (101) are communicated with the inner sides of the arc grooves and the outer sleeve (1), the limiting block (8) is movably sleeved in the vertical groove (101).

3. A wind power locking disk for wind power generator according to claim 2, characterized in that: and a spring (7) positioned in the through groove is arranged between the arc-shaped bearing block (6) and the bolt (5), and the sum of the length value of the arc-shaped bearing block (6), the length value of the bolt (5) and the initial length value of the spring (7) is greater than the distance value between the outer side of the first inner ring (3) and the outer side of the second inner ring (4).

4. A wind power locking disk for wind power generator according to claim 2, characterized in that: the bottom of one side, away from spring (7), of arc-shaped bearing block (6) is provided with empty groove (601), the top of the inner cavity of empty groove (601) is fixedly connected with upper magnetic block (602), the inner wall of empty groove (601) facing one side of spring (7) is designed to be an inclined plane, the middle of the top end of limiting block (8) is fixedly connected with lower magnetic block (801), and the magnetic pole at the top of lower magnetic block (801) is opposite to the magnetic pole at the bottom of upper magnetic block (602).

Technical Field

The invention relates to the field of wind power generation equipment, in particular to a wind power locking disc for a wind power generator.

Background

The locking disc is a friction key-free connection device between a shaft and a shaft sleeve, can apply a tightening force to the shaft sleeve from the outside, is one of main matching parts of the wind power speed increaser, generates huge holding force between an inner ring and the shaft and between an outer ring and a hub under the action of a high-strength bolt, and transfers torque, axial force or composite load of the torque and the axial force by the combination pressure of an expansion sleeve and a machine part and the friction force generated along with the pressure when bearing load.

However, current wind-powered electricity generation locking dish is when using, the nut only is used for locking, be easy because of the unit operation at strong gust, turbulent wind, adverse circumstances influence such as instantaneous impact load is big, cause great impact to the axial force of main shaft, lead to being used for the nut of locking not hard up, cause bolt fastening strength to reduce, and then lead to bolt and overcoat, the locking degree of main shaft reduces, can't guarantee the clamp force of locking dish between to the main shaft, take place to skid in load transfer process easily, and then cause the main shaft idle running, influence aerogenerator life's problem.

Disclosure of Invention

The invention provides a wind power locking disc for a wind driven generator, which has the advantage of long service life and solves the technical problems in the background technology.

In order to achieve the above purpose, the invention provides the following technical scheme to realize: the utility model provides a wind-powered electricity generation locking dish for aerogenerator, includes overcoat, main shaft, the both sides of overcoat are equipped with first inner ring, second inner ring respectively, the face of being connected of first inner ring, second inner ring and overcoat is the inclined plane, and the equal suit in first inner ring, second inner ring is in the outside of overcoat, first inner ring and second inner ring all are on the overcoat through the bolt fastening, be equipped with a plurality of arc carrier blocks that are located bolt one side in the overcoat, and go back movable sleeve in the overcoat and be equipped with a plurality of stoppers that are located arc carrier block below, and the inclined plane activity joint of the bottom of stopper and first inner ring, second inner ring.

It is optional, seted up two sets of logical grooves on the overcoat, every group the quantity that leads to the groove is six, and is two sets of lead to the axial symmetry that the groove used the overcoat, and two sets of crisscross distributions that lead to the groove, two sets of lead to the groove and constitute by communicating thread groove and arc wall, and the arc center axis of arc wall is same straight line with the axis of overcoat, and is a set of the thread groove in leading to the groove is towards first inner ring, another group lead to the thread groove in the groove towards the second inner ring, and first inner ring and second inner ring all through the bolt fastening who cup joints with the thread groove screw on the overcoat, arc carrier block activity suit is in the arc wall, set up the perpendicular groove that is located the arc wall outside on the overcoat, and the inboard of perpendicular groove and arc wall, overcoat all communicates with each other, stopper activity suit is in perpendicular groove.

Optionally, a spring located in the through groove is arranged between the arc-shaped bearing block and the bolt, and the sum of the length value of the arc-shaped bearing block, the length value of the bolt and the initial length value of the spring is greater than the distance between the outer side of the first inner ring and the outer side of the second inner ring.

Optionally, a vacant groove is formed in the bottom of one side, away from the spring, of the arc-shaped bearing block, an upper magnetic block is fixedly connected to the top of an inner cavity of the vacant groove, the inner wall, facing the spring, of the vacant groove is designed to be an inclined surface, a lower magnetic block is fixedly connected to the middle of the top end of the limiting block, and a magnetic pole at the top of the lower magnetic block is opposite to a magnetic pole at the bottom of the upper magnetic block.

The invention provides a wind power locking disc for a wind driven generator, which has the following beneficial effects:

1. the wind power locking disc for the wind driven generator is characterized in that the first inner ring and the second inner ring are matched and fixed with bolts for fixing the first inner ring and the second inner ring through the structural design of the first inner ring and the second inner ring on the two sides of the outer sleeve to link the arc-shaped bearing block and the limiting block in the outer sleeve, the first inner ring and the second inner ring are fixed through the limiting block, so that the outer sleeve is borne by the arc-shaped bearing block of the arc-shaped groove, rated transmission torque of strong gust, turbulent wind, instantaneous impact and the like to the wind power locking disc is responded, the axial force impact resistance of the wind power locking disc is improved, the torque transmission of the existing wind power locking disc for responding to the strong gust, turbulent wind, instantaneous impact and the like by utilizing the fixed bolts is effectively avoided, the bolt fixing strength is easily reduced, the locking degree of the bolts and the outer sleeve and the main shaft is further reduced, the clamping force between the locking disc and the main shaft cannot be ensured, and the slip is easily generated in the load transmission process, thereby causing the main shaft to idle and influencing the work of the generator.

2. This wind-powered electricity generation locking dish for aerogenerator blocks through stopper perpendicular groove and draw-in groove to fixed slot makes second inner ring and overcoat, main shaft homoenergetic closely laminate, thereby can utilize its frictional force transmission, so that the main shaft drives the overcoat and stabilizes rotatoryly, has avoided long-time the use back, and the fixed strength of bolt reduces and takes place not hard up, leads to the problem that takes place to skid in the load data send process, has further improved the life of wind-powered electricity generation locking dish.

Drawings

FIG. 1 is a sectional structure diagram of a wind power locking disc of the present invention;

FIG. 2 is a partial schematic view of the outer cover of the structure of FIG. 1 in accordance with the present invention;

FIG. 3 is a side sectional view taken along line a-a of FIG. 1 in accordance with the present invention;

FIG. 4 is a side sectional view taken at b-b of FIG. 1 in accordance with the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 2;

FIG. 6 is a schematic view of a second inner ring of the structure of FIG. 1 according to the present invention.

In the figure: 1. a jacket; 101. a vertical slot; 2. a main shaft; 3. a first inner ring; 4. a second inner ring; 401. a card slot; 5. a bolt; 6. an arc-shaped bearing block; 601. a vacant slot; 602. an upper magnetic block; 7. a spring; 8. a limiting block; 801. a lower magnetic block.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, a wind power locking plate for a wind power generator comprises a jacket 1 and a main shaft 2, wherein a first inner ring 3 and a second inner ring 4 are movably sleeved on two sides of the middle of the jacket 1 respectively, the first inner ring 3 and the second inner ring 4 are identical in shape and size, the connecting surface of the first inner ring 3 and the second inner ring 4 with the jacket 1 is an inclined surface, the inner side of the first inner ring 3 is movably sleeved with the outer side of the jacket 1, referring to fig. 2-4, two groups of through grooves are formed in the jacket 1, the number of each group of through grooves is six, the two groups of through grooves are symmetrical about the axis of the jacket 1 and are distributed in a staggered manner, each group of through grooves is composed of a threaded groove and an arc groove, the axis of the arc groove and the central axis of the jacket 1 are the same straight line, the threaded groove in one group of through grooves faces the first inner ring 3, the threaded groove in the other group of through grooves faces the second inner ring 4, and the first inner ring 3 and the second inner ring 4 are fixed on the jacket 1 through bolts 5 sleeved with the threaded groove The arc-shaped grooves are movably sleeved with adaptive arc-shaped bearing blocks 6, springs 7 positioned in the through grooves are arranged between the arc-shaped bearing blocks 6 and the bolts 5, the sum of the length value of the arc-shaped bearing blocks 6, the length value of the bolts 5 and the initial length value of the springs 7 is larger than the distance value between the outer side of the first inner ring 3 and the outer side of the second inner ring 4, the errors of the length values of the bolts 5 and the arc-shaped bearing blocks 6 are compensated by the springs 7, one end, far away from the springs 7, of each arc-shaped bearing block 6 in each arc-shaped groove extends into the first inner ring 3 and the second inner ring 4 respectively, please refer to 5-6, the outer sleeve 1 is provided with vertical grooves 101 positioned on the outer sides of the arc-shaped grooves, the vertical grooves 101 are communicated with the inner sides of the arc-shaped grooves and the outer sleeve 1, the movable limiting blocks 8 are sleeved in the vertical grooves 101, and the outer edges of the contact surfaces of the first inner ring 3 and the second inner ring 4 and the outer sleeve 1 are provided with clamping grooves 401 corresponding to the vertical grooves 101, the length value of the limiting block 8 is larger than the distance value between the bottom of the clamping groove 401 and the top of the vertical groove 101.

The first inner ring 3 and the second inner ring 4 are arranged on two sides of the outer sleeve 1, the first inner ring 3 and the second inner ring 4 are fixed on the outer sleeve 1 through bolts 5, when the first inner ring 3 and the second inner ring 4 are fixed through the bolts 5, the limiting blocks 8 are limited through the arc bearing blocks 6, meanwhile, under the limitation of the bolts 5 and the springs 7, the arc bearing blocks 6 in each arc groove respectively limit the outer sleeve 1, the first inner ring 3, the outer sleeve 1 and the second inner ring 4, so that the outer sleeve 1 is borne through the arc bearing blocks 6 of the arc grooves to deal with rated transmission torques of strong gust wind, turbulent wind, instantaneous impact and the like to the wind power locking disc, the axial force impact resistance of the wind power locking disc is improved, the torque transmission of the existing wind power locking disc to the strong gust wind, turbulent wind, instantaneous impact and the like by utilizing the fixed bolts 5 is effectively avoided, the fixing strength of the bolts 5 is easily reduced, and then lead to bolt 5 and overcoat 1, the locking degree of main shaft 2 reduces, can't guarantee the clamp force of locking dish between to the main shaft, take place to skid easily in load transfer process, and then cause the main shaft idle running, influence the problem of generator work, and, block perpendicular groove 101 and draw-in groove 401 through stopper 8, thereby fixing groove 401, make second inner ring 4 and overcoat 1, main shaft 2 all can closely laminate, thereby can utilize its frictional force transmission, so that main shaft 2 drives overcoat 1 steady rotation, long-time use back has been avoided, bolt 5's fixed strength reduces and takes place not hard up, lead to the problem that takes place to skid in the load transfer process, the life of wind-powered electricity generation locking dish has further been improved.

The bottom of the arc-shaped bearing block 6, which is far away from the spring 7, is provided with a vacant slot 601, the top of the cavity of the vacant slot 601 is fixedly connected with an upper magnetic block 602, the inner wall of the vacant slot 601 facing the spring 7 is designed to be an inclined plane, the middle part of the top end of the limiting block 8 is fixedly connected with the lower magnetic block 801, the magnetic pole at the top of the lower magnetic block 801 is opposite to the magnetic pole at the bottom of the upper magnetic block 602, through the magnetic attraction of the upper magnetic block 602 to the lower magnetic block 801, when in subsequent disassembly and maintenance, after the upper magnetic block 602 moves above the lower magnetic block 801 by taking out the bolt 5 and pulling the arc-shaped bearing block 6 outwards, the lower magnetic block 801 moves up completely with the card slot 401 by the magnetic attraction, so that the second inner ring 4 can be removed, the first inner ring 3 can be taken out on the other side similarly, when guaranteeing wind-powered electricity generation locking dish high life locking effect, the later maintenance of being convenient for has made things convenient for the use.

When the magnetic bearing device is used, firstly, each arc-shaped bearing block 6 is placed from one side of the arc-shaped groove, the empty groove 601 is kept at the corresponding vertical groove 101, then the limiting block 8 is sequentially placed into the vertical groove 101 from the inner side of the outer sleeve 1, so that the lower magnetic block 801 is adsorbed on the empty groove 601, at the moment, the bottom of the limiting block 8 is positioned at the inner side of the vertical groove 101, then the first inner ring 3 and the second inner ring 4 are respectively sleeved on the two sides of the outer sleeve 1, the first inner ring 3, the second inner ring 4 and the bolt 5 are integrally sleeved on the outer sleeve 1, the first inner ring 3 and the second inner ring 4 are kept in a state of being tightly attached to the outer sleeve 1 and the main shaft 2, so that the clamping groove 401 is positioned below the vertical groove 101, then the bolt 5 is sequentially screwed, the bolt 5 pushes the spring 7 and the arc-shaped bearing block 6 to move, the arc-shaped bearing block 6 enables the limiting block 8 to move downwards, the clamping groove 401 clamps the first inner ring 3, the first inner ring 3 and the second inner ring 4, The second inner ring 4 is locked on the outer sleeve 1.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.