CN217539422U

CN217539422U - Stainless steel sintered powder metallurgy friction plate

Info

Publication number: CN217539422U
Application number: CN202221821358.7U
Authority: CN
Inventors: 陈苏仙; 吴华忠; 张银华; 王国金
Original assignee: HANGZHOU XIAOSHAN HONGQI FRICTION MATERIAL CO Ltd
Current assignee: HANGZHOU XIAOSHAN HONGQI FRICTION MATERIAL CO Ltd
Priority date: 2022-07-15
Filing date: 2022-07-15
Publication date: 2022-10-04
Anticipated expiration: 2032-07-15

Abstract

The utility model relates to a stainless steel sintering powder metallurgy friction disc belongs to friction disc technical field, including the core, the core periphery be equipped with a plurality of equidistant annular distribution of being and be the assembly tooth of integration with the core, the core in be equipped with the inner circle ring that cup joints mutually with the core, inner circle ring and core between be equipped with the winding steel band, core both ends face all be equipped with sintering powder metallurgy layer. The brake pad has the characteristics of high brake sensitivity, good stability, high friction coefficient, corrosion resistance, high temperature resistance, good wear resistance and strong brake stability. The problem of the friction disc have assembly clearance is solved.

Description

Stainless steel sintered powder metallurgy friction plate

Technical Field

The utility model relates to a friction disc technical field, concretely relates to stainless steel sintering powder metallurgy friction disc.

Background

With the development requirements of mechanical devices for high load, high running speed and high power, the friction device is used under the conditions of high and low speed small torque (motorcycles and the like), high and low speed medium torque (automatic transmission cars and the like), and even high and low speed large torque (machine tool equipment, ships, engineering machinery, agricultural machinery and the like), the friction device also has higher performance requirements, and the traditional powder metallurgy friction material cannot completely meet the high energy density friction system; the high cost of carbon/carbon friction materials, the brittleness of ceramic-based friction materials, and the low strength of paper-based friction materials restrict the large-scale popularization and application of the carbon/carbon friction materials.

Therefore, it is very urgent and necessary to develop a new friction plate which is matched with a transmission system or a braking system, has long service life and high reliability. The wet clutch brake system can be applied to the fields of wet clutch brake systems of automobile automatic transmissions, torque converters, differentials, torque managers, synchronizer gear rings, motorcycle clutches, engineering machinery gear boxes and the like.

Disclosure of Invention

The utility model discloses mainly solve and have noise and vibrations among the prior art big, coefficient of friction is low and braking stability is poor not enough, provide a stainless steel sintering powder metallurgy friction disc, it has that brake sensitivity is high, the stationarity is good, high coefficient of friction, corrosion-resistant, high temperature resistant, the wearability is good and the strong characteristics of brake stability. The problem of friction disc have assembly clearance is solved.

The above technical problem of the present invention can be solved by the following technical solutions:

the utility model provides a stainless steel sintered powder metallurgy friction disc, includes the core, the core periphery be equipped with a plurality of be equidistant annular distribution and be the assembly tooth of integration with the core, the core in be equipped with the inner circle ring that cup joints mutually with the core, inner circle ring and core between be equipped with the winding steel band, core both ends face all be equipped with sintered powder metallurgy layer. The inner ring is adopted to limit the wound steel belt, and meanwhile, in the environment of temperature rise, the wound steel belt effectively makes up for the gap deviation size.

Preferably, the sintered powder metallurgy layer is composed of a plurality of powder copper substrates distributed annularly at equal intervals, and an oil passing groove communicated with the assembly teeth and the winding steel strip is arranged between two adjacent powder copper substrates.

Preferably, the upper end of the powder copper substrate is provided with a plurality of bidirectional arc-shaped heat dissipation grooves.

Preferably, the powder copper substrate is in a fan-shaped structure.

Preferably, the assembly teeth, the core plate, the winding steel strip and the inner ring are all made of stainless steel.

The utility model discloses can reach following effect:

the utility model provides a stainless steel sintering powder metallurgy friction disc compares with prior art, has that brake sensitivity is high, the stationarity is good, high coefficient of friction, corrosion-resistant, high temperature resistant, the good and strong characteristics of braking stability of wearability. The problem of the friction disc have assembly clearance is solved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a structural sectional view of the present invention.

Fig. 3 is a schematic structural view of a powder copper substrate according to the present invention.

In the figure: the manufacturing method comprises the steps of assembling teeth 1, a core plate 2, a sintered powder metallurgy layer 3, an oil passing groove 4, a wound steel belt 5, an inner ring 6, a powder copper substrate 7 and a bidirectional arc-shaped heat dissipation groove 8.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example (b): as shown in fig. 1, fig. 2 and fig. 3, the stainless steel sintered powder metallurgy friction plate comprises a core plate 2, 32 assembling teeth 1 which are distributed in an equally-spaced annular manner and integrated with the core plate 2 are arranged on the periphery of the core plate 2, an inner ring 6 which is sleeved with the core plate 2 is arranged in the core plate 2, a winding steel strip 5 is arranged between the inner ring 6 and the core plate 2, and the assembling teeth 1, the core plate 2, the winding steel strip 5 and the inner ring 6 are all made of stainless steel. The two end surfaces of the core plate 2 are provided with sintered powder metallurgy layers 3. The sintered powder metallurgy layer 3 is composed of 8 powder copper substrates 7 which are distributed in an annular shape at equal intervals, and the powder copper substrates 7 are in a fan-shaped structure. The upper end of the powder copper substrate 7 is provided with 16 bidirectional arc-shaped heat dissipation grooves 8. An oil passing groove 4 communicated with the assembly teeth 1 and the winding steel strip 5 is arranged between two adjacent powder copper substrates 7.

In conclusion, the stainless steel sintered powder metallurgy friction plate has the characteristics of high braking sensitivity, good stability, high friction coefficient, corrosion resistance, high temperature resistance, good wear resistance and strong braking stability. The problem of the friction disc have assembly clearance is solved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without deviating from the basic characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

In conclusion, the above description is only the specific embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.

Claims

1. A stainless steel sintered powder metallurgy friction plate is characterized in that: the core plate comprises a core plate (2), wherein a plurality of assembling teeth (1) which are distributed in an equidistant annular mode and integrated with the core plate (2) are arranged on the periphery of the core plate (2), an inner ring (6) which is sleeved with the core plate (2) is arranged in the core plate (2), a winding steel belt (5) is arranged between the inner ring (6) and the core plate (2), and sintering powder metallurgy layers (3) are arranged on two end faces of the core plate (2).

2. A stainless steel sintered powder metallurgy friction plate according to claim 1 wherein: the sintered powder metallurgy layer (3) is composed of a plurality of powder copper substrates (7) which are distributed annularly at equal intervals, and an oil passing groove (4) communicated with the assembly teeth (1) and the winding steel belt (5) is arranged between every two adjacent powder copper substrates (7).

3. A stainless steel sintered powder metallurgy friction plate according to claim 2 wherein: the upper end of the powder copper substrate (7) is provided with a plurality of bidirectional arc-shaped heat dissipation grooves (8).

4. A stainless steel sintered powder metallurgy friction plate according to claim 2 wherein: the powder copper substrate (7) is in a fan-shaped structure.

5. A stainless steel sintered powder metallurgy friction plate according to claim 1 wherein: the assembling teeth (1), the core plate (2), the winding steel belt (5) and the inner ring (6) are all made of stainless steel.