CN217538919U

CN217538919U - High-strength brake disc of wind driven generator

Info

Publication number: CN217538919U
Application number: CN202221542880.1U
Authority: CN
Inventors: 徐建华; 包峰; 施俊伟
Original assignee: Jiangsu Zhenjiang New Energy Equipment Co ltd
Current assignee: Jiangsu Zhenjiang New Energy Equipment Co ltd
Priority date: 2022-06-20
Filing date: 2022-06-20
Publication date: 2022-10-04
Anticipated expiration: 2032-06-20

Abstract

The utility model discloses a brake disc of a high-strength wind driven generator, the surface of which is uniformly provided with a plurality of mounting holes around the circumference; each mounting hole is internally sleeved with a lining sleeve which is bilaterally symmetrical, the top of the lining sleeve comprises a plain section, and the rest part of the lining sleeve is an arc surface; the top of the outer ring of the lining sleeve is a straight line and a splicing arc, the rest part of the outer ring is a plurality of sections of arc lines, the inner ring is a plurality of sections of arc rings, and the plurality of sections of arc lines of the outer ring are parallel to the arc lines of the plurality of sections of arc rings of the inner ring; the connecting ends of the multiple arcs of the outer ring and the multiple arcs of the multiple arcs are tangent. The utility model discloses embolia the inside lining sleeve in the mounting hole of brake disc, and the telescopic hardness of inside lining is higher than the location axle, and establishes to the multistage arc circle in the inside lining sleeve, so the location axle when with the contact of inside lining sleeve inner ring, become the face contact by original line contact, consequently when improving brake efficiency, also can prevent to concentrate in the brake disc hand, prevent that the brake disc from producing the deformation, improve life.

Description

High-strength brake disc of wind driven generator

Technical Field

The utility model relates to a aerogenerator's brake disc field, specific theory relates to a high strength aerogenerator brake disc.

Background

The existing wind driven generator brake disc is only provided with a circular mounting hole, and when the existing wind driven generator brake disc works, a brake positioning pin is inserted into the mounting hole and can only be internally tangent with the mounting hole, so that the contact area is small and the brake efficiency is low; on the other hand, the brake disc is in contact with the brake positioning pin for a long time, and the single-point stress is easy to deform, so that the brake disc is directly scrapped after the brake disc is taken down for a long time.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model provides a high-strength brake disc of a wind driven generator.

A high-strength brake disc of a wind driven generator is characterized in that a plurality of mounting holes are uniformly formed on the surface of the brake disc around the circumference; each mounting hole is internally sleeved with a lining sleeve which is bilaterally symmetrical, the top of the lining sleeve comprises a plain section, and the rest part of the lining sleeve is an arc surface; the top of the outer ring of the lining sleeve is a straight line and a splicing arc, the rest part of the outer ring is a plurality of sections of arc lines, the inner ring is a plurality of sections of arc rings, and the plurality of sections of arc lines of the outer ring are parallel to the arc lines of the plurality of sections of arc rings of the inner ring; the connecting ends of the multiple arcs of the outer ring and the multiple arcs of the multiple arcs are tangent.

By the utility model discloses a preferred scheme, the center of every mounting hole forms the shaft collar on the brake disc to the nodical inside lining circle that forms as the centre of a circle of shaft collar and inside lining sleeve axis, lining circle extreme point is the centre of a circle respectively in each pitch arc centre of a circle of multistage pitch arc and multistage arc circle.

By the utility model discloses a preferred scheme, the side is 120 circular arcs about inside lining sleeve outer loop and the inner ring, and the centre of a circle is nodical about inside lining circle and the shaft collar respectively.

By the utility model discloses a preferred scheme, the intersection of the nodical three extension lines to brake disc centre of a circle direction of lining circle and shaft collar just in time is the centre of a circle of brake disc.

By the utility model discloses a preferred scheme, the handing-over department of the nodical three extension lines to brake disc centre of a circle direction of outer ring and inner ring and inside lining circle and ring journal is the straight line.

By the utility model discloses a preferred scheme, be 30 circular arcs of centre of a circle respectively between the straight line of outer loop and inner ring and 120 circular arcs with lining circle and the nodical point of shaft collar.

By the utility model discloses a preferred scheme, multistage arc circle top circular arc is 60 circular arcs, regards the nodical centre of a circle with the inside lining sleeve symmetry axis as the centre of a circle.

By the utility model discloses a preferred scheme, concatenation arc one end is tangent with 120 circular arcs, and the other end is tangent with outer loop top straight line.

The beneficial effects of the utility model are that: the lining sleeve is sleeved in the mounting hole of the brake disc, and the inner ring of the lining sleeve is designed into a multi-section arc ring, so that the original line contact is changed into surface contact when the positioning shaft is in contact with the inner ring of the lining sleeve, the brake disc can be prevented from being concentrated in hand while the braking efficiency is improved, the brake disc is prevented from being deformed, and the service life is prolonged.

Drawings

The invention will be described by way of example and with reference to the accompanying drawings, in which:

fig. 1 is a front view of the present invention:

FIG. 2 is a front view of the liner sleeve;

wherein: the inner lining sleeve comprises a lining sleeve 1, a shaft ring 2, a splicing arc 3, a straight line 4, a straight line 5, a 30-degree arc 6, a 120-degree arc 7, a lining circle 8 and a 60-degree arc 9.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. The figures are simplified schematic diagrams illustrating the basic structure of the invention in a schematic way only, and therefore they show only the components relevant to the invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, the two components can be communicated with each other inside, the fixed connection can be welding, gluing and the like, and for those skilled in the art, the specific meaning of the terms in the present invention can be understood according to specific situations.

A high-strength brake disc of a wind driven generator is characterized in that a plurality of mounting holes are uniformly formed on the surface of the brake disc around the circumference; each mounting hole is internally sleeved with a lining sleeve 1, the lining sleeves 1 are bilaterally symmetrical, the top of each lining sleeve 1 comprises a plain section, and the rest lining sleeves are cambered surfaces; the inner ring is a multi-section arc ring, and the multi-section arc line of the outer ring is parallel to the arc line of the multi-section arc ring of the inner ring; the lining sleeve 1 is sleeved in the mounting hole of the brake disc, the hardness of the lining sleeve 1 is higher than that of the positioning shaft, the inner ring of the lining sleeve 1 is provided with a multi-section arc ring, and therefore the positioning shaft is in contact with the inner ring of the lining sleeve 1 and is changed from original line contact to surface contact, the brake disc can be prevented from being concentrated in hands while the brake efficiency is improved, the brake disc is prevented from deforming, and the service life is prolonged. The inside lining sleeve can adopt super high strength steel 42CrMo, further improves its life, all adopts super high strength material cost lower for whole brake disc moreover.

Simultaneously, the link department between the multistage pitch arc of outer loop and each arc of multistage arc circle is all tangent, and then can guarantee the smoothness and the integrality of the transition of the outer loop of inside lining sleeve 1 and inner ring, also can make simultaneously when braking the effect, the brake locating pin can be better contact with the multistage arc circle.

The center of each mounting hole forms a shaft ring 2 on the brake disc, a lining circle 8 is formed by taking the intersection point of the shaft ring 2 and the axis of the lining sleeve 1 as the center of a circle, and the centers of the multiple sections of arc lines and the arc lines of the multiple sections of arc rings respectively take the end point of the lining circle 8 as the center of a circle; the left side and the right side of the outer ring and the inner ring of the lining sleeve 1 are 120-degree circular arcs 7, and the centers of the circular arcs are respectively the left intersection point and the right intersection point of a lining circle 8 and a shaft ring 2; the joint of three extension lines of the intersection points of the outer ring and the inner ring with the lining circle 8 and the shaft ring 2 to the circle center direction of the brake disc is a straight line 5; a 30-degree arc 6 with the intersection point of the lining circle 8 and the shaft ring 2 as the center of a circle is respectively arranged between the straight lines 5 and the 120-degree arcs 7 of the outer ring and the inner ring; the top arc of the multi-section arc ring is a 60-degree arc 9, and the intersection point of the lining circle 8 and the symmetrical axis of the lining sleeve 1 is used as the center of a circle; and then confirm each section circular arc through collar 2, inside lining circle 8 and symmetry axis, can make the multistage pitch arc of the multistage arc circle of the outer loop of inside lining sleeve 1 tangent with each pitch arc of the multistage arc circle of inner ring, reach inside lining sleeve 1 holistic integrality and smoothness.

The intersection of the three extension lines of the intersection point of the lining circle 8 and the shaft ring 2 towards the circle center direction of the brake disc is just the circle center of the brake disc; and then can guarantee better brake action, also can guarantee the location and tangent effect of each pitch arc of inside lining sleeve 1 outer ring and inner ring simultaneously.

One end of the splicing arc 3 is tangent to the 120-degree arc 7, and the other end of the splicing arc is tangent to the straight line 4 at the top of the outer ring; and then can make lining sleeve 1 can be firm cover in the mounting hole of brake disc more, and then can realize the brake action, prevent that the brake disc warp.

In light of the above, the present invention is not limited to the above embodiments, and various changes and modifications can be made by the worker without departing from the scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A high-strength brake disc of a wind driven generator is provided, wherein the surface of the brake disc is uniformly provided with a plurality of mounting holes around the circumference; the method is characterized in that: each mounting hole is internally sleeved with a lining sleeve (1), the lining sleeves (1) are bilaterally symmetrical, the top of each lining sleeve comprises a plain section, and the rest parts of each lining sleeve are cambered surfaces; the inner ring is a multi-section arc ring, and the multi-section arc line of the outer ring is parallel to the arc line of the multi-section arc ring of the inner ring; the connecting ends of the multiple arcs of the outer ring and the multiple arcs of the multiple arcs are tangent.

2. The brake disc of the high-strength wind driven generator according to claim 1, wherein: the center of each mounting hole forms a shaft ring (2) on the brake disc, the intersection point of the shaft ring (2) and the axis of the lining sleeve (1) is used as the center of a circle to form a lining circle (8), and the centers of the arcs of the multi-section arc lines and the multi-section arc rings respectively use the end point of the lining circle (8) as the center of a circle.

3. The brake disc of the high-strength wind driven generator according to claim 2, wherein: the left side and the right side of the outer ring and the inner ring of the lining sleeve (1) are 120-degree circular arcs (7), and the centers of the circles are the left intersection point and the right intersection point of the lining circle (8) and the shaft ring (2) respectively.

4. The high-strength wind power generator brake disc according to claim 2, wherein: the intersection of the intersection point of the lining circle (8) and the shaft ring (2) to the three extension lines in the direction of the center of the brake disc is the center of the brake disc.

5. The high-strength wind power generator brake disc according to claim 4, wherein: the intersection point of the outer ring and the inner ring, the lining circle (8) and the shaft ring (2) and the joint of three extension lines in the direction of the center of the brake disc circle is a straight line (5).

6. The high-strength wind power generator brake disc according to claim 2, wherein: and a 30-degree arc (6) taking the intersection point of the lining circle (8) and the shaft ring (2) as the center of a circle is arranged between the linear arc (5) and the 120-degree arc (7) of the outer ring and the inner ring respectively.

7. The high-strength wind power generator brake disc according to claim 2, wherein: the top circular arc of the multi-section arc ring is a circular arc (9) with an angle of 60 degrees, and the intersection point of the lining circle (8) and the symmetry axis of the lining sleeve (1) is used as the circle center.

8. The high-strength wind power generator brake disc according to claim 1, wherein: one end of the splicing arc (3) is tangent to the 120-degree circular arc (7), and the other end of the splicing arc is tangent to the straight line (4) at the top of the outer ring.