CN210268975U

CN210268975U - Low-speed bearing friction torque detection device

Info

Publication number: CN210268975U
Application number: CN201921319524.1U
Authority: CN
Inventors: 焦鹏
Original assignee: Huzhou Sanduo Bearing Co ltd; Zhejiang 8+1 Precision Machinery Co Ltd
Current assignee: Huzhou Sanduo Bearing Co ltd; Zhejiang 8+1 Precision Machinery Co Ltd
Priority date: 2019-08-14
Filing date: 2019-08-14
Publication date: 2020-04-07
Anticipated expiration: 2029-08-14

Abstract

The utility model discloses a low-speed bearing friction torque detection device, including bearing frame and actuating mechanism, be equipped with the cavity in the bearing frame, the chamber bottom of cavity is equipped with the fixed part, the fixed part top is equipped with the upper cover, the upper cover is equipped with annular butt end towards one side of fixed part, butt end is towards one side of bearing frame and the outer lane butt of the bearing that awaits measuring, the upper cover links with actuating mechanism, be equipped with torque sensor on the bearing frame, the bearing cover that awaits measuring is established on the fixed part and is made the outer lane unsettled of bearing that awaits measuring, cover the upper cover on the bearing that awaits measuring and compress tightly again, make butt end butt on the outer lane of bearing that awaits measuring, after compressing tightly, add lubricating oil simulation bearing that awaits measuring actual operational environment in the cavity, make butt end drive the outer lane low-speed rotation of bearing that awaits measuring through actuating mechanism, because the existence of, and calculating to obtain the friction torque of the bearing to be measured running at low speed in the oil bath environment.

Description

Low-speed bearing friction torque detection device

Technical Field

The utility model belongs to the technical field of the bearing detects, concretely relates to low-speed bearing friction torque detection device.

Background

In order to respond to the national energy-saving and consumption-reducing targets, some automobile part manufacturers have increasingly strict requirements on the friction torque of bearings, namely, bearing parts used in automobile parts are changed into open bearings running at low speed, the bearings are located in an oil bath environment during actual operation, most of the existing manufacturers detect the friction torque of the open bearings in the air, and the detection conditions are different from the actual conditions, so that the data detected by the friction torque are different from the actual application working conditions, and the requirements of customers cannot be met.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a friction torque detection device for detecting a low-speed bearing by a simulation oil bath environment.

In order to realize the purpose, the utility model discloses a technical scheme is: the utility model provides a low-speed bearing friction torque detection device, includes bearing frame and actuating mechanism, be equipped with the cavity in the bearing frame, be equipped with at the bottom of the chamber of cavity and supply the bearing housing that awaits measuring to establish and make the unsettled fixed part of outer lane of bearing that awaits measuring, the fixed part top is equipped with the upper cover, the upper cover is equipped with annular butt end towards one side of fixed part, the butt end towards one side of bearing frame and the outer lane butt of bearing that awaits measuring, the upper cover links with actuating mechanism, be equipped with torque sensor on the bearing frame.

According to the technical scheme, the bearing to be measured is sleeved on the fixing portion, the outer ring of the bearing to be measured is suspended, the upper cover is covered on the bearing to be measured and is compressed, the abutting end is abutted to the outer ring of the bearing to be measured, lubricating oil is added into the cavity to simulate the actual operation environment of the bearing to be measured after the compression, the abutting end drives the outer ring of the bearing to be measured to rotate at a low speed through the driving mechanism, the inner ring tends to rotate due to the existence of the moment of the bearing to be measured, and the friction moment of the bearing to be measured in the oil bath environment during low-speed operation can be obtained through calculation after information is collected through the moment sensor.

As a further setting of the utility model, the fixed part includes with the butt portion of the inner circle butt of the bearing that awaits measuring and be located the butt portion top and supply the cover that the bearing housing that awaits measuring established to establish the portion.

In the above technical scheme, the bearing to be measured is sleeved on the sleeving part, one side of the abutting part facing the bearing to be measured is abutted against the inner ring of the bearing to be measured, so that the whole bearing is suspended, and after the abutting end of the upper cover compresses the outer ring of the bearing to be measured, the inner ring compresses the abutting part.

As the utility model discloses a further setting, actuating mechanism includes driving motor and pivot, on cover and be equipped with to actuating mechanism bellied confession pivot male mounting hole, be equipped with the screw thread through-hole on the lateral wall of mounting hole, wear to be equipped with fixing bolt on the screw thread through-hole.

Among the above-mentioned technical scheme, pivot and mounting hole are clearance fit, make things convenient for the pivot plug, and after the mounting hole was inserted to the pivot, rethread screwed fastening bolt made pivot and upper cover fixed connection.

As a further setting of the utility model, be equipped with annular recess on the lateral wall of the portion is established to the cover, the recess is located the junction of the portion is established with butt portion to the cover.

In the technical scheme, the groove prevents the joint of the sleeve part and the abutting part from being abraded by the edge of the inner ring of the groove after the bearing to be tested and the abutting part are tightly pressed.

As a further setting of the utility model, the height of the abutting portion and the axial height sum of the bearing to be measured are less than the depth of the cavity.

Among the above-mentioned technical scheme, guarantee that the bearing that awaits measuring can be located the oil bath environment, and prevent that the bearing that awaits measuring from leading to lubricating oil from the cavity spill in the rotation of outer lane when moving.

The present invention will be further described with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic view of an embodiment of the present invention;

FIG. 2 is a front view of an embodiment of the present invention;

fig. 3 is a cross-sectional view a-a of fig. 2.

Detailed Description

When terms such as "upper" and "lower", "right" and "left" or similar relative expressions are used in the present embodiment, these refer only to the accompanying drawings and are not necessarily actual usage.

The embodiment of the utility model is shown in fig. 1-3, a low-speed bearing friction torque detection device, which comprises a bearing seat 01 and a driving mechanism 02, a cavity 011 is arranged in the bearing seat 01, a fixing part 012 for sleeving a bearing 03 to be detected and suspending the outer ring of the bearing 03 to be detected is arranged at the cavity bottom of the cavity 011, the fixing part 012 comprises an abutting part 0121 abutting against the inner ring of the bearing 03 to be detected and a sleeving part 0122 positioned above the abutting part 0121 for sleeving the bearing 03 to be detected, an upper cover 013 is arranged above the fixing part 012, an annular abutting end 0131 is arranged on one side of the upper cover 013 facing the fixing part 012, one side of the abutting end 0131 facing the bearing seat 01 abuts against the outer ring of the bearing 03 to be detected, the upper cover 013 is linked with the driving mechanism 02, a torque sensor 014 is arranged on the bearing seat 01, the bearing 03 to be detected is sleeved on the sleeving part 0122, the abutting part 0121, suspending the whole bearing, covering and pressing an upper cover 013 on a bearing 03 to be tested, enabling an abutting end 0131 to abut against an outer ring of the bearing 03 to be tested, simultaneously pressing an inner ring with an abutting portion 0121, after the pressing is finished, adding lubricating oil into a cavity 011 to simulate the actual operation environment of the bearing 03 to be tested, enabling the abutting end 0131 to drive the outer ring of the bearing 03 to be tested to rotate at a low speed through a driving mechanism 02, enabling the inner ring to have a rotation trend due to the existence of the moment of the bearing 03 to be tested, acquiring the friction moment of the bearing 03 to be tested in the low-speed operation environment by calculation after information is collected through a moment sensor 014, enabling the driving mechanism 02 to comprise a driving motor 021 and a rotating shaft 022, enabling a mounting hole 0132 protruding towards the driving mechanism 02 and used for inserting a rotating shaft 022 to be arranged on the upper cover 013, enabling a threaded through hole 0133 to be arranged on the side wall of the mounting hole 0132, enabling a fixing bolt to penetrate, make things convenient for pivot 022 plug, after pivot 022 inserts mounting hole 0132, the bolt is decided to the rotatory fastening of rethread, make pivot 022 and upper cover 013 fixed connection, the cover is established and is equipped with annular recess 01221 on portion 0122's the lateral wall, recess 01221 is located the cover and establishes portion 0122 and butt portion 0121's junction, recess 01221 prevents that bearing 03 to be measured from compressing tightly the back with butt portion 0121, the arris of its inner circle is to the cover establish portion 0122 and butt portion 0121's junction and cause wearing and tearing, butt portion 0121's the height and the axial height sum of bearing 03 to be measured are less than the degree of depth of cavity 011, guarantee that bearing 03 to be measured can be located the oil bath environment, and prevent that bearing 03 to be measured is in the operation, because the rotation of outer lane leads.

The utility model discloses do not confine the above-mentioned embodiment to, the general technical personnel in this field can adopt other multiple embodiments to implement according to the utility model discloses a, perhaps all adopt the utility model discloses a design structure and thinking do simple change or change, all fall into the utility model discloses a protection scope.

Claims

1. The utility model provides a low-speed bearing friction torque detection device which characterized in that: including bearing frame and actuating mechanism, be equipped with the cavity in the bearing frame, be equipped with at the bottom of the chamber of cavity and supply the bearing housing that awaits measuring to establish and make the unsettled fixed part of the outer lane of the bearing that awaits measuring, the fixed part top is equipped with the upper cover, the upper cover is equipped with annular butt end towards one side of fixed part, the butt end is towards one side of bearing frame and the outer lane butt of the bearing that awaits measuring, the upper cover links with actuating mechanism, be equipped with torque sensor on the bearing frame.

2. The low-speed bearing friction torque detection device according to claim 1, characterized in that: the fixing part comprises an abutting part abutted against the inner ring of the bearing to be tested and a sleeving part positioned above the abutting part and used for sleeving the bearing to be tested.

3. The low-speed bearing friction torque detection device according to claim 2, characterized in that: the driving mechanism comprises a driving motor and a rotating shaft, a mounting hole for inserting the rotating shaft into the driving mechanism in a protruding mode is formed in the upper cover, a threaded through hole is formed in the side wall of the mounting hole, and a fixing bolt penetrates through the threaded through hole.

4. A low-speed bearing friction torque detecting device according to claim 2 or 3, characterized in that: the outer side wall of the sleeving part is provided with an annular groove, and the groove is located at the joint of the sleeving part and the abutting part.

5. The low-speed bearing friction torque detection device according to claim 4, wherein: the sum of the height of the abutting part and the axial height of the bearing to be measured is less than the depth of the concave cavity.