CN202083549U

CN202083549U - Device for testing bearing service lifetime

Info

Publication number: CN202083549U
Application number: CN2011201466547U
Authority: CN
Inventors: 禹德伟; 张泗洲; 李晓红; 吴寿章; 陈薇
Original assignee: Jiangmen Mechanical Equipment (bearing) Co Ltd
Current assignee: Jiangmen Mechanical Equipment (bearing) Co Ltd
Priority date: 2011-05-10
Filing date: 2011-05-10
Publication date: 2011-12-21
Anticipated expiration: 2021-05-10

Abstract

Disclosed is a device for testing bearing service lifetime. The device comprises a test head casing, and a radial loading member and a transmission shaft which are arranged inside the test head casing, wherein the transmission shaft is directly driven by a shaft coupling via an electrical main shaft, with a radial loading mechanism connected with the radial loading member; and the radial loading mechanism comprises a loading motor, with the loading motor connected with the radial loading member sequentially via a decelerator, a slide shaft coupling, a spiral regulator, and a pressure transmitter. The device of the utility features reasonable structure and accurate control, effectively improves the testing effect, and is a device widely used in the bearing manufacturing industry for testing bearing service lifetime.

Description

A kind of bearing life testing apparatus

Technical field

The utility model relates to a kind of testing apparatus, particularly a kind of bearing life testing apparatus.

Background technology

Bearing is the basic part that is widely used in mechanical field, and the quality of its quality directly has influence on the quality of equipment performance, and bearing life then is the combined reaction of bearing quality; In Production of bearing, often need special bearing life testing apparatus that bearing is tested, at present, the equipment in common test bearing life-span as shown in Figure 1, it mainly comprises a test casing 1 ', in a test casing 1 ', be provided with radial loaded parts 2 ' and transmission shaft 3 ', described transmission shaft 3 ' is successively by shaft coupling 4 ', speed-increasing gear 5 ', V-belt 6 ' is connected with common electric machine 7 ', and radial loaded parts 2 ' are realized radial loaded or unloading by manual spiral speed regulation device 8 ', in test process, belt skid and the changing factor of load makes the test speed error be difficult to be controlled in the scope of requirement in entire test, and the fibre gear of speed-increasing gear is low serviceable life, and kinematic train can not realize stepless speed regulation; In addition, owing to the leakage of oil circuit or the reasons such as temperature rise in the process of the test, can cause the variation of test load, also causing can not be with the test load error control in the scope that requires.

The utility model content

In order to overcome the deficiencies in the prior art, the utility model provides a kind of rational in infrastructure, precise control, effectively improves the bearing life testing apparatus of test effect.

The technical scheme that its technical matters that solves the utility model adopts is:

A kind of bearing life testing apparatus, comprise a test casing, in a test casing, be provided with radial loaded parts and transmission shaft, described transmission shaft directly drives through shaft coupling by electric main shaft, there is radial loaded mechanism to be connected with the radial loaded parts, described radial loaded mechanism comprises loading motor, and this loading motor is connected with the radial loaded parts by speed reduction unit, slip coupling, screw regulator, pressure unit successively.

Wherein, described electric main shaft is provided with cooling system, and this cooling system is made up of the cooling water tank that forms the loop, cooling pump and filtrator.

In addition, described loading motor is a micromachine.

The beneficial effects of the utility model are: the utility model directly drives transmission shaft by adopting electric main shaft through shaft coupling, the electricity main shaft is controlled the rotating speed of its test run by serial port and inverter communication by computing machine, so not only can realize stepless speed regulation, and can in experiment, change rotating speed arbitrarily, simultaneously, change the manual screw regulator in the original radial loaded mechanism into loading motor, speed reduction unit, slip coupling, screw regulator and pressure unit, motor comes control loaded by computing machine according to real load and the difference size of setting load, unloading or pressurize, order control is more accurate, has improved the test effect.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is the structural representation of existing equipment;

Fig. 2 is a structural representation of the present utility model.

Embodiment

With reference to Fig. 2, a kind of bearing life testing apparatus, comprise a test casing 1, in a test casing 1, be provided with radial loaded parts 2 and transmission shaft 3, it is characterized in that: described transmission shaft 3 directly drives through shaft coupling 4 by electric main shaft 5, there is radial loaded mechanism to be connected with radial loaded parts 2, described radial loaded mechanism comprises loading motor 6, and this loading motor 6 is connected with radial loaded parts 2 by speed reduction unit 7, slip coupling 8, screw regulator 9, pressure unit 10 successively.

In the utility model, described electric main shaft 5 is provided with cooling system, and this cooling system is made up of the cooling water tank 11 that forms the loop, cooling pump 12 and filtrator 13.

In the utility model, described loading motor is a micromachine.

The utility model directly drives transmission shaft 3 by adopting electric main shaft 5 through shaft coupling 4, electricity main shaft 5 is controlled the rotating speed of its test run by serial port and inverter communication by computing machine, so not only can realize stepless speed regulation, and can in experiment, change rotating speed arbitrarily, simultaneously, change the manual screw regulator in the original radial loaded mechanism into loading motor 6, speed reduction unit 7, slip coupling 8, screw regulator 9 and pressure unit 10, motor comes control loaded by computing machine according to real load and the difference size of setting load, unloading or pressurize, order control is more accurate, has improved the test effect.

The utility model is rational in infrastructure, precise control, effectively improve the test effect, is a kind of bearing life testing apparatus that is widely used in the bearing manufacturing.

Claims

1. bearing life testing apparatus, comprise a test casing (1), in a test casing (1), be provided with radial loaded parts (2) and transmission shaft (3), it is characterized in that: described transmission shaft (3) directly drives through shaft coupling (4) by electric main shaft (5), there is radial loaded mechanism to be connected with radial loaded parts (2), described radial loaded mechanism comprises loading motor (6), and this loading motor (6) is successively by speed reduction unit (7), slip coupling (8), screw regulator (9), pressure unit (10) is connected with radial loaded parts (2).

2. a kind of bearing life testing apparatus according to claim 1 is characterized in that described electric main shaft (5) is provided with cooling system, and this cooling system is made up of the cooling water tank that forms the loop (11), cooling pump (12) and filtrator (13).

3. a kind of bearing life testing apparatus according to claim 1 is characterized in that described loading motor is a micromachine.