阅读说明：本技术 一种重型汽车离合器从动盘 (Heavy-duty car clutch driven plate ) 是由 张佳 罗伟钊 黄勇 韦任麒 迟涵威 胡汝凯 秦忠玉 甘桂东 易济武 于 2021-08-30 设计创作，主要内容包括：本发明属于汽车离合器装备领域,具体涉及一种重型汽车离合器从动盘,包括波形片,波形片上安装有摩擦片,所述波形片由沿内环周向均匀分布的若干分体波形片组成,分体波形片由连接部和波形部组成,所述连接部沿周向设有第一区段和第二区段,第二区段相对第一区段沿轴向方向偏置,第一区段和第二区段之间具有过渡区段,第一区段和第二区段均设有铆钉通孔,波形部的内侧与第一区段的外侧相连,波形部的前、后表面安装有摩擦片,分体波形片被插入在所述铆钉通孔的铆钉固定在内环上,分体波形片的第一区段紧贴内环表面,分体波形片的第二区段的紧贴相邻分体波形片的第一区段。本发明的从动盘具有低惯量、高强度、耐高温的优点。(The invention belongs to the field of automobile clutch equipment, and particularly relates to a heavy-duty automobile clutch driven disc which comprises a corrugated plate, wherein a friction plate is arranged on the corrugated plate, the wave-shaped sheet consists of a plurality of split wave-shaped sheets which are evenly distributed along the circumferential direction of the inner ring, the split wave-shaped sheets consist of a connecting part and a wave-shaped part, the connecting part is provided with a first section and a second section along the circumferential direction, the second section is offset relative to the first section along the axial direction, a transition section is arranged between the first section and the second section, the first section and the second section are both provided with rivet through holes, the inner side of the wave-shaped part is connected with the outer side of the first section, friction plates are arranged on the front surface and the rear surface of the wave-shaped part, the split wave-shaped plate is inserted into the rivet through holes and fixed on the inner ring, the first section of the split wave-shaped plate is tightly attached to the surface of the inner ring, and the second section of the split wave-shaped plate is tightly attached to the first section of the adjacent split wave-shaped plate. The driven disc has the advantages of low inertia, high strength and high temperature resistance.)

1. A heavy-duty car clutch driven disc comprises an inner ring provided with a vibration reduction structure and a corrugated plate connected with the inner ring, wherein friction plates are arranged on the corrugated plate, the corrugated plate is composed of a plurality of split corrugated plates which are uniformly distributed along the circumferential direction of the inner ring, the split corrugated plates are composed of a connecting part and a corrugated part, the connecting part and the corrugated part are distributed from inside to outside along the radial direction, the connecting part is circumferentially provided with a first section and a second section, the second section is offset relative to the first section along the axial direction, a transition section is arranged between the first section and the second section, the first section and the second section are respectively provided with rivet through holes, the first section and the second section are respectively provided with a flat first surface and a flat second surface at the front side and the rear side in the axial direction, the rivet through holes penetrate through the first surface and the second surface, the inner side of the corrugated part is connected with the outer side of the first section, and the front side, the rear side, the front side, the rear side and the rear side of the corrugated part are respectively provided with a flat surface, The friction plate is arranged on the rear surface, the split corrugated sheet is inserted into the rivet through hole and fixed on the inner ring, the first surface of the first section of the split corrugated sheet is tightly attached to the surface of the inner ring, the first surface of the second section of the split corrugated sheet is tightly attached to the second surface of the first section of the adjacent split corrugated sheet, and the rivet through hole of the first section of the split corrugated sheet is opposite to the rivet through hole of the second section of the adjacent split corrugated sheet.

2. The heavy-duty car clutch driven plate of claim 1, wherein said split corrugated sheet is coated with a heat insulating material.

3. The heavy-duty vehicle clutch driven plate of claim 1, wherein said corrugated portion is provided with weight-reducing notches and weight-reducing holes.

4. The heavy-duty vehicle clutch driven disc of claim 1, wherein the number of rivet through holes provided in said first and second sections is equal to and not less than 2.

5. The heavy-duty car clutch driven plate of claim 1, wherein the number of said split wave plates is not less than 4.

6. The heavy duty vehicle clutch driven plate according to claim 1, wherein said friction plates are comprised of a plurality of separate friction plates which are circumferentially uniformly arranged and fixed on the front and rear sides of said corrugated plate, said separate friction plates are comprised of a metal base plate and wear-resistant material plates which are arranged on the surface of said metal base plate, the area of said wear-resistant material plates is smaller than the area of said metal base plate, the wear-resistant material plates of said separate friction plates on the front and rear sides are aligned, and the bottom surface of said metal base plate is closely fitted and fixed on the surface of said corrugated portion.

7. The heavy-duty vehicle clutch driven plate of claim 6, wherein both inner and outer edges of said metal base plate exceed both inner and outer edges of the wavy portion of the split wavy plate.

8. The heavy-duty vehicle clutch driven plate of claim 6, wherein said metal base plate has 2 plates of wear-resistant material disposed thereon.

9. The heavy-duty vehicle clutch driven plate of claim 6, wherein said metal base plate is coated with a thermally conductive coating.

10. The heavy-duty vehicle clutch driven plate of claim 6, wherein said metal base plate and said friction material plate are provided with a plurality of heat dissipating weight-reducing holes.

Technical Field

The invention belongs to the field of automobile clutch equipment, and particularly relates to a heavy-duty automobile clutch driven disc.

Background

Heavy-duty vehicles have heavy mass and large inertia, and the structures of power parts and transmission parts matched with the heavy-duty vehicles need to adapt to the characteristics. The clutch driven plate assembly is positioned in a flywheel shell between an engine and a clutch cover, and the driven plate is adaptive to the requirements of high temperature and high torque by improving the structures and the connection modes of a corrugated plate, a damping plate, a friction plate and other parts, and the problem of keeping stable and good working conditions is the subject of long-term research in the field.

Disclosure of Invention

The invention aims to provide a heavy-duty automobile clutch driven disc with low inertia, high strength and high temperature resistance.

The technical scheme for achieving the purpose comprises the following contents.

A heavy-duty car clutch driven disc comprises an inner ring provided with a vibration damping structure and a corrugated plate connected with the inner ring, wherein the corrugated plate is provided with a friction plate and consists of a plurality of split corrugated plates which are uniformly distributed along the circumferential direction of the inner ring, each split corrugated plate consists of a connecting part and a corrugated part, the connecting parts and the corrugated parts are distributed from inside to outside along the radial direction, the connecting parts are circumferentially provided with a first section and a second section, the second section is offset relative to the first section along the axial direction, a transition section is arranged between the first section and the second section, the first section and the second section are respectively provided with a rivet through hole, the first section and the second section are respectively provided with a flat first surface and a flat second surface at the front side and the back side in the axial direction, the rivet through holes penetrate through the first surface and the second surface, the inner side of the corrugated part is connected with the outer side of the first section, and the friction plate is arranged on the front surface and the back surface of the corrugated part, the split corrugated sheets are inserted into the rivet through holes and are fixed on the inner ring through rivets, the first surfaces of the first sections of the split corrugated sheets are tightly attached to the surface of the inner ring, the first surfaces of the second sections of the split corrugated sheets are tightly attached to the second surfaces of the first sections of the adjacent split corrugated sheets, and the rivet through holes of the first sections of the split corrugated sheets are opposite to the rivet through holes of the second sections of the adjacent split corrugated sheets.

Further, the surface of the split corrugated sheet is coated with a heat insulation material to prevent the heat transfer of the friction plate from causing the deformation of the corrugated sheet.

Furthermore, a plurality of weight reducing notches and weight reducing holes are formed in the corrugated portion to reduce the rotational inertia.

Further, the number of the rivet through holes arranged in the first section and the second section is equal to 2, so that riveting firmness is improved.

Further, the number of the split waveform pieces is not less than 4.

Furthermore, the friction plates are composed of a plurality of split friction plates which are uniformly arranged along the circumferential direction and fixed on the front side and the rear side of the corrugated plate, each split friction plate is composed of a metal base plate and wear-resistant material plates which are arranged on the surface of the metal base plate, the area of each wear-resistant material plate is smaller than that of the metal base plate, the wear-resistant material plates of the split friction plates on the front side and the rear side are aligned one by one, and the bottom surfaces of the metal base plates are tightly attached to and fixed on the surfaces of the corrugated parts.

Further, the inner edge and the outer edge of the metal base plate both exceed the inner edge and the outer edge of the corrugated portion of the split corrugated sheet.

Furthermore, 2 wear-resistant material plates are distributed on the metal base plate.

Further, heat conducting paint is smeared on the surface of the metal substrate plate.

Furthermore, the metal base plate and the friction material plate are both provided with a plurality of heat dissipation lightening holes so as to lighten the rotational inertia.

According to the heavy-duty car clutch driven disc, the waveform sheets are split waveform sheets, the connecting parts of the adjacent split waveform sheets are fixed on the surface of the inner ring by rivets in a partially overlapping mode, the riveting strength of the waveform sheets and the inner ring can be improved, and therefore torque is stably transmitted. Further optimized, the split friction plate adopts a metal base plate, and heat generated by the friction material plate can be rapidly dissipated. The area of the wear-resistant material plate is smaller than that of the metal base plate, so that heat dissipation of the metal base plate is facilitated.

The heavy-duty car clutch driven disc has the advantages of good heat dissipation performance and strong torque transmission capability, and can use the transmission of a high-power engine.

Drawings

FIG. 1 is a schematic structural diagram of a split-type corrugated sheet according to an embodiment;

FIG. 2 is a schematic view of a split wave plate mounted on an inner ring;

fig. 3 is a partially exploded view of the driven disk of the embodiment.

In the figure, 1, an inner ring; 2. a split waveform sheet; 2-1, a connecting part; 2-1-1. a first segment; 2-1-2. a second segment; 2-1-3. transition section; 2-2, a wave section; 2-3, rivet through hole; 3. a split friction plate; 3-1. a metal base plate; 3-2, making a wear-resistant material plate; 4. a heat dissipation lightening hole; 5. and (4) a weight-reducing notch.

Detailed Description

The present invention will be described in detail with reference to examples.

Referring to fig. 1 to 3, a heavy-duty car clutch driven plate comprises an inner ring 1 provided with a vibration damping structure and a corrugated plate connected with the inner ring 1, wherein a friction plate is arranged on the corrugated plate, the corrugated plate is composed of six split corrugated plates 2 uniformly distributed along the circumferential direction of the inner ring, the split corrugated plates 2 are composed of a connecting part 2-1 and a corrugated part 2-2, the connecting part 2-1 and the corrugated part 2-2 are distributed from inside to outside along the radial direction, the connecting part 2-1 is provided with a first section 2-1-1 and a second section 2-1-2 along the circumferential direction, the second section 2-1-2 is offset relative to the first section 2-1-1 along the axial direction, and a transition section 2-1-3 is arranged between the first section 2-1-1 and the second section 2-1-2, the first section 2-1-1 and the second section 2-1-2 are respectively provided with three rivet through holes 2-3, the front side and the rear side of the first section and the second section in the axial direction respectively have a flat first surface and a flat second surface, the rivet through holes 2-3 penetrate through the first surface and the second surface, the inner side of the corrugated part 2-2 is connected with the outer side of the first section 2-1-1, the front surface and the rear surface of the corrugated part 2-2 are provided with friction plates, the split corrugated plate 2 is inserted into the rivet through holes 2-3 and fixed on the inner ring 1 by rivets, the first surface of the first section 2-1-1 of the split corrugated plate 2 is tightly attached to the surface of the inner ring 1, the first surface of the second section 2-1-2 of the split corrugated plate 2 is tightly attached to the second surface of the first section 2-1-1 of the adjacent split corrugated plate 2, the rivet through hole 2-3 of the first section 2-1-1 of the split corrugated sheet 2 is over against the rivet through hole 2-3 of the second section 2-1-2 of the adjacent split corrugated sheet 2, and the overlapped connecting part 2-1 is riveted through 3 rivet holes, so that the riveting strength of the corrugated sheet and the inner ring 1 is enhanced, and the corrugated sheet cannot be broken or loosened under the torque of an engine which is 2.5 times of 600 horsepower;

in the embodiment, the surface of the split corrugated sheet 2 is coated with a heat insulating material to prevent the corrugated sheet from deforming due to heat transfer of the friction plate;

in the embodiment, the wave-shaped part 2-2 is provided with a plurality of weight-reducing gaps 5 and weight-reducing holes so as to reduce the moment of inertia and increase the firmness of the wave-shaped piece and the inner ring 1;

in the embodiment, the friction plates comprise twelve split friction plates 3, the split friction plates 3 are uniformly arranged along the circumferential direction, the front and rear sides of the corrugated plate are respectively fixed with six split friction plates 3 through rivets, the six split friction plates 3 on the front and rear sides are respectively aligned one by one, each split friction plate 3 comprises a metal base plate 3-1 and two wear-resistant material plates 3-2 distributed on the surface of the metal base plate 3-1, the two wear-resistant material plates 3-2 are identical in shape and uniformly distributed on the surface of the metal base plate 3-1 along the circumferential direction, and the positions of the wear-resistant material plates 3-2 on the front and rear surfaces are aligned one by one, so that the wear-resistant material plates 3-2 of the clutch are completely stressed in the engagement process, and stable torque transmission is provided;

the total area of the wear-resistant material plate 3-2 is smaller than the area of the metal base plate 3-1, the exposed surface of the metal base plate 3-1 can increase the heat dissipation performance, and the bottom surface of the metal base plate 3-1 is tightly attached to the surface of the corrugated part 2-2; the metal base plate 3-1 and the friction material plate are both provided with a plurality of heat dissipation lightening holes 4 so as to lighten the rotational inertia;

in the embodiment, the inner edge and the outer edge of the metal base plate 3-1 exceed the inner edge and the outer edge of the wave part 2-2 of the split wave plate 2, and the arrangement can ensure that the elastic buffer performance of the wave part 2-2 can be fully exerted in the clutch engaging process;

in this embodiment, the surface of the metal base plate 3-1 is coated with a heat conductive coating to improve the heat dissipation capability of the metal base plate 3-1.

The foregoing discussion discloses preferred embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept of this patent, which falls within the scope of the appended claims.