CN217677693U

CN217677693U - Double-row conical bearing outer ring quenching inductor

Info

Publication number: CN217677693U
Application number: CN202221088146.2U
Authority: CN
Inventors: 刘金贵; 李凯; 宋建斌; 郭权
Original assignee: Wanxiang Precision Industry Jiangsu Co ltd; Wanxiang Group Corp; Zhejiang Wanxiang Precision Industry Co Ltd
Current assignee: Wanxiang Precision Industry Jiangsu Co ltd; Wanxiang Group Corp; Zhejiang Wanxiang Precision Industry Co Ltd
Priority date: 2022-05-06
Filing date: 2022-05-06
Publication date: 2022-10-28
Anticipated expiration: 2032-05-06

Abstract

The utility model discloses a double-row conical bearing outer ring quenching inductor, which relates to the field of conical bearings and comprises an inductor body arranged in an upper row and a lower row, wherein the inductor body is arranged in an outer ring of a hub unit and is used for quenching a quenching area in the outer ring of the hub unit; the inductor body comprises a quenching section and a cooling section connected with the quenching section, the radius of the quenching section is equal to the radius of a roller path of a quenching area, the curvature of the outer circle of the quenching section is equal to the curvature of the inner diameter of the roller path, and the outer surface of the quenching section is matched and attached with the double-row roller path surface of the quenching area; and the cooling section is provided with a cooling water spray pipe, and the cooling water spray pipe extends out from the upper opening of the outer ring of the hub unit and is externally connected with cooling water. The utility model has the advantages that: the quenching inductor with the new structure enables the quenching hardness of the outer ring raceway to be more uniform, the quenching power of the same qualified product is reduced from 180Kwh to 130Kwh, the quenching time is shortened from 8s to 5s, the production energy consumption is greatly reduced, the quenching efficiency is improved, and the cost of enterprises is saved.

Description

Double-row conical bearing outer ring quenching inductor

Technical Field

The utility model relates to a conical bearing's field, concretely relates to biserial conical bearing outer lane quenching inductor.

Background

The hub unit outer ring is required to be induction quenched by an inductor during manufacturing. In the prior art, the quenching inductor of the outer ring of the double-row conical bearing adopts a full circle (namely a 360-degree circumference) design mode. Because the quenching inductor needs to be arranged in the outer ring raceway, the outer diameter D1 of the inductor needs to be smaller than the inner diameter D1 of the outer ring raceway, when the inductor deviates to a quenching position, an inner contact effect is formed between the inductor and the inner ring surface of the raceway, and at the moment, a quenching area is concentrated near a contact point and is within a circumferential range of about 26 degrees. However, the quenching area of the circumferential range of only 26 degrees is too small, the heat of the rest part of the inductor is not utilized, waste is caused, and the quenching efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and provides a double-row conical bearing outer ring quenching inductor, which increases the quenching area, improves the quenching efficiency and reduces the production energy consumption by changing the structure of the quenching inductor.

The purpose of the utility model is accomplished through following technical scheme: the double-row conical bearing outer ring quenching inductor comprises an inductor body which is arranged in an upper row and a lower row, wherein the inductor body is arranged in an outer ring of a hub unit and is used for quenching a quenching area in the outer ring of the hub unit; the inductor body comprises a quenching section and a cooling section connected with the quenching section, the radius of the quenching section is equal to the radius of a roller path of a quenching area, the curvature of the outer circle of the quenching section is equal to the curvature of the inner diameter of the roller path, and the outer surface of the quenching section is matched and attached with the double-row roller path surface of the quenching area; and the cooling section is provided with a cooling water spray pipe, and the cooling water spray pipe extends out from the upper opening of the outer ring of the hub unit and is used for externally connecting cooling water.

As a further technical scheme, the central angle corresponding to the quenching section is 100 degrees.

As a further technical scheme, a plurality of water spray nozzles are arranged on the cooling water spray pipe at intervals corresponding to the quenching area, and the shape of a connecting line between the water spray nozzles is matched with the shape of the quenching area.

As a further technical scheme, the cooling water spray pipe (3) is arranged on the side, which is far away from the quenching section (1-1), of the cooling section (1-2).

The utility model has the advantages that: the quenching sensor with the new structure is applied, so that the quenching hardness of the outer ring raceway is more uniform, the quenching power of the same qualified product is reduced to 130Kwh from the original 180Kwh, the quenching time is shortened to 5s from 8s, the production energy consumption is greatly reduced, the quenching efficiency is improved, and the cost of enterprises is saved.

Drawings

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

Fig. 2 is a view along a of fig. 1 (with the sensor in the home position).

Fig. 3 is a schematic diagram of the inductor in the quenching position (after deflection).

Description of reference numerals: the device comprises an inductor body 1, a quenching section 1-1, a cooling section 1-2, a hub unit outer ring 2, a quenching area 2-1, a cooling water spray pipe 3 and a water spray opening 3-1.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings:

example (b): as shown in fig. 1 to 3, the quenching inductor for the outer ring of the double-row conical bearing comprises an inductor body 1 which is arranged in an upper row and a lower row, and referring to fig. 1, the inductor body 1 is arranged in an outer ring 2 of a hub unit and is used for quenching a quenching area 2-1 in the outer ring 2 of the hub unit. Referring to fig. 2, the inductor body 1 comprises a quenching section 1-1 and a cooling section 1-2 connected with the quenching section 1-1, the radius R1 of the quenching section 1-1 is equal to the raceway radius R2 of the quenching area 2-1, the curvature of the excircle of the quenching section 1-1 is equal to the inner diameter d1 of the raceway, and when the inductor body 1 is deviated to a quenching position, as shown in fig. 3, the outer surface of the quenching section 1-1 is matched and attached to the surface of the double-row raceway of the quenching area 2-1. Preferably, as shown in fig. 2, the central angle α of the quenched section 1-1 is 100 °, i.e., the central angle of the outer circle of the quenched section 1-1 corresponding to the curvature of the inner diameter d1 of the raceway is 100 ° (as shown in fig. 3).

Further, referring to fig. 1, a cooling water spray pipe 3 is installed on the cooling section 1-2 (preferably, the cooling water spray pipe 3 is disposed on a side of the cooling section 1-2 away from the quenching section 1-1), and the cooling water spray pipe 3 extends from an upper opening of the hub unit outer ring 2 for externally connecting cooling water. The cooling water spray pipe 3 is provided with a plurality of water spray nozzles 3-1 at intervals at positions corresponding to the quenching areas 2-1, and the shapes of the connecting lines among the water spray nozzles 3-1 are matched with the shapes of the quenching areas 2-1 and used for carrying out water spray cooling on the quenching areas 2-1.

The utility model discloses a working process: during quenching, the inductor body 1 is firstly put in from the upper opening of the outer ring 1 of the hub unit, and the cooling water discharge pipe 3 is externally connected with cooling water as shown in figures 1 and 2; and then gradually offsetting the inductor body 1 until the outer surface of the quenching section 1-1 is attached to the double-row raceway surface of the quenching area 2-1, starting the equipment to begin quenching as shown in figure 3, and driving the hub unit outer ring 2 to rotate around the inductor body 1. After quenching is finished, the inductor body 1 is moved to the initial position, and then the outer ring 2 of the hub unit is taken out.

The quenching inductor excircle of the utility model adopts the curvature design the same with the inner diameter of the raceway of the outer ring of the hub unit, the central angle corresponding to the quenching area reaches 100 degrees, the quenching area is effectively increased, and the quenching hardness uniformity of the outer ring is improved. Through practical use tests, the same qualified product is produced, the quenching power of the equipment is reduced from 180Kwh to 130Kwh, the quenching time is shortened from 8s to 5s, the production energy consumption is greatly reduced, the quenching efficiency is improved, and the cost of enterprises is saved.

It should be understood that equivalent substitutions or changes to the technical solution and the inventive concept of the present invention should be considered to fall within the scope of the appended claims for the skilled person.

Claims

1. A double-row conical bearing outer ring quenching inductor is characterized in that: the device comprises an inductor body (1) which is arranged in an upper row and a lower row, wherein the inductor body (1) is arranged in an outer ring (2) of a hub unit and is used for quenching a quenching area (2-1) in the outer ring (2) of the hub unit; the inductor body (1) comprises a quenching section (1-1) and a cooling section (1-2) connected with the quenching section (1-1), the radius of the quenching section (1-1) is equal to the radius of a roller path of a quenching area (2-1), the curvature of the outer circle of the quenching section (1-1) is equal to the inner diameter of the roller path, and the outer surface of the quenching section (1-1) is matched and attached to the surface of the roller path of the quenching area (2-1); and the cooling section (1-2) is provided with a cooling water spray pipe (3), and the cooling water spray pipe (3) extends out from the upper opening of the outer ring (2) of the hub unit and is externally connected with cooling water.

2. The double-row conical bearing outer ring quenching inductor according to claim 1, characterized in that: the central angle corresponding to the quenching section (1-1) is 100 degrees.

3. The double-row conical bearing outer ring quenching inductor according to claim 1, characterized in that: a plurality of water spraying nozzles (3-1) are arranged at intervals on the cooling water spraying pipe (3) at the position corresponding to the quenching area (2-1), and the shape of the connecting line between the water spraying nozzles (3-1) is matched with the shape of the quenching area (2-1).

4. The double-row conical bearing outer ring quenching inductor according to claim 1, characterized in that: the cooling water spray pipe (3) is arranged on one side of the cooling section (1-2) which is deviated from the quenching section (1-1).