CN219348174U

CN219348174U - Bearing dynamic torque testing machine

Info

Publication number: CN219348174U
Application number: CN202320752001.6U
Authority: CN
Inventors: 尤晓伟; 尤炳炎
Original assignee: Wuxi Huayan Bearing Sealing Parts Co ltd
Current assignee: Wuxi Huayan Bearing Sealing Parts Co ltd
Priority date: 2023-04-07
Filing date: 2023-04-07
Publication date: 2023-07-14
Anticipated expiration: 2033-04-07

Abstract

The utility model discloses a dynamic torque testing machine for a bearing, which comprises a driving assembly, a rotating shaft and a fixing assembly, wherein the fixed end of the driving assembly is arranged on a rack, the movable end of the driving assembly is connected with the rotating shaft, the inner ring of the bearing to be tested is detachably fixed on the rotating shaft, and the fixing assembly is used for rotationally preventing and fixing the outer ring of the bearing to be tested. According to the bearing dynamic torque testing machine, when the bearing dynamic torque testing machine is used for testing, the inner ring of the bearing to be tested is fixed on the rotating shaft, the outer ring of the bearing to be tested is fixed by the fixing component, the rotating shaft is driven by the driving component to rotate, the inner ring of the bearing to be tested is driven to rotate, testing is conducted, the structure is simple, the design is ingenious, and the fixing is convenient and quick, so that the testing efficiency is improved.

Description

Bearing dynamic torque testing machine

Technical Field

The utility model belongs to the technical field of bearings, and particularly relates to a dynamic torque testing machine for a bearing.

Background

Bearings are an important component in contemporary mechanical devices. Its main function is to support the mechanical rotator, reduce the friction coefficient in the course of its movement and ensure its rotation accuracy, so the dynamic torque test is needed before the bearing leaves the factory.

The existing bearing test adopts a mode of fixing the bearing outer ring relative to the inner ring, the bearing inner ring rotates to test, the bearing outer ring is fixed through the fixing seat, the fixing seat is fixed through bolts, the fixing seat is required to be disassembled and assembled during each test, and the problem of inconvenient operation exists.

Disclosure of Invention

The utility model aims to provide a bearing dynamic torque testing machine, which aims to solve the problem that the prior bearing testing machine is inconvenient to operate when fixing a fixing seat through bolts during testing.

To achieve the purpose, the utility model adopts the following technical scheme:

the dynamic torque testing machine for the bearing comprises a frame, wherein a driving component, a rotating shaft and a fixing component are arranged on the frame, the fixed end of the driving component is arranged on the frame, the movable end of the driving component is connected with the rotating shaft, the inner ring of the bearing to be tested is detachably fixed on the rotating shaft, the fixing component is used for rotationally preventing and fixing the outer ring of the bearing to be tested, the fixing component comprises a bearing sleeve, a movable seat, a clutch component and a quick-dismantling component, the bearing sleeve is sleeved on the outer ring of the test bearing and is fixedly connected with the outer ring of the bearing to be tested through a locking piece, the movable seat can be assembled on the frame close to or far away from the bearing sleeve, the clutch assembly is used for connecting or separating the movable seat from the bearing sleeve, and the quick-dismantling assembly is used for fixing the movable seat on the frame when the movable seat is connected with the bearing sleeve.

Further, the clutch assembly comprises a claw and a clamping groove, the claw is fixedly arranged on the movable seat, the clamping groove is formed in the bearing sleeve corresponding to the claw, when the claw is positioned in the clamping groove, the movable seat is connected with the bearing sleeve, and when the claw is positioned outside the clamping groove, the movable seat is separated from the bearing sleeve.

Further, the quick-release assembly comprises a transverse guide rail, a pressing clamp and a fixing piece, the movable seat is slidably arranged on the transverse guide rail through a sliding block, the pressing clamp is detachably assembled on the movable seat through a detachable piece, the fixing piece is fixedly arranged on one side of the transverse guide rail, and when the movable seat is connected with the bearing sleeve, one end of the pressing clamp is pressed against the end face of the fixing piece so as to tightly press the movable seat on the transverse guide rail for fixing.

Further, a positioning step is arranged on the rotating shaft, the inner ring of the bearing to be tested is sleeved on the positioning step, a threaded hole is formed in the end face of the positioning step, a bolt is arranged corresponding to the threaded hole, and the bolt is screwed into the threaded hole so as to fix the inner ring of the bearing to be tested on the rotating shaft.

Further, at least one locking threaded hole is formed in the bearing sleeve, the locking piece is a jackscrew, and the jackscrew is screwed into the locking threaded hole so as to fix the bearing sleeve in a jacking manner on the outer ring of the bearing to be tested.

Further, the driving assembly comprises a driving piece, the fixed end of the driving piece is fixed on the frame, and the movable end of the driving piece is fixedly connected with the rotating shaft through a coupler.

Compared with the prior art, the bearing dynamic torque testing machine has the following advantages:

1) The movable seat is slidably arranged on the transverse guide rail, the pressing clamp is detachably assembled on the movable seat through the detachable piece, the fixing piece is fixedly arranged on one side of the transverse guide rail, and when the movable seat is connected with the bearing sleeve, the pressing clamp presses the fixing piece to press the movable seat to be fixed on the transverse guide rail, and the fixing of the movable seat is convenient and quick, so that the testing efficiency is improved.

2) The clutch assembly comprises a clamping jaw and a clamping groove, the clamping jaw is fixedly arranged on the moving seat, the clamping groove is formed in the bearing sleeve corresponding to the clamping jaw, the moving seat is connected with the bearing sleeve when the clamping jaw is positioned in the clamping groove, the moving seat is separated from the bearing sleeve when the clamping jaw is positioned outside the clamping groove, and the clutch assembly is simple in structure, ingenious in design and easy to realize connection and separation of the moving seat and the bearing sleeve.

Drawings

FIG. 1 is a schematic perspective view of a dynamic torque testing machine for bearings according to an embodiment of the present utility model;

FIG. 2 is a schematic illustration of a portion of a dynamic torque tester for bearings according to an embodiment of the present utility model.

Detailed Description

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 2, in this embodiment, a dynamic torque testing machine for bearings includes a frame 1, a driving assembly, a rotating shaft 2 and a fixing assembly are disposed on the frame 1, a fixed end of the driving assembly is mounted on the frame 1, the driving assembly includes a driving member 3, a driving end of the driving member 3 is fixedly connected with the rotating shaft 2 through a coupling, an inner ring of a bearing to be tested is detachably fixed on the rotating shaft 2, the fixing assembly is used for fixing an outer ring of the bearing to be tested in an anti-rotation manner, the fixing assembly includes a bearing sleeve 4, a moving seat 5, a clutch assembly 6 and a quick-release assembly 7, the bearing sleeve 4 is sleeved on the outer ring of the bearing to be tested and fixedly connected with the outer ring of the bearing to be tested through jackscrews, the moving seat 5 can be assembled on the frame 1 close to or far away from the bearing sleeve 4, the clutch assembly 6 is used for connecting or separating the moving seat 5 from the bearing sleeve 4, the quick-release assembly 7 is used for fixing the moving seat 5 on the frame 1 when the moving seat 5 is connected with the bearing sleeve 4, during testing, the rotating shaft 2 drives the inner ring of the bearing to be tested to rotate relative to the inner ring of the bearing to be tested.

The clutch assembly 6 includes a pawl 60 and a catch 61.

As an embodiment, the claw 60 is fixedly installed on the movable seat 5, and a clamping groove 61 is formed on the bearing sleeve 4 corresponding to the claw 60.

As another embodiment, the claw 60 may be fixedly mounted on the bearing housing 4, and a clamping groove 61 is formed on the movable seat 5 corresponding to the claw 60.

When the clamping jaw 60 is positioned in the clamping groove 61, the movable seat 5 is connected with the bearing sleeve 4, and when the clamping jaw 60 is positioned outside the clamping groove 61, the movable seat 5 is separated from the bearing sleeve 4.

It can be seen that the bearing sleeve 4, the movable seat 5, the clamping jaw 60 and the clamping groove 61 are arranged, the clamping jaw 60 is fixedly arranged on the movable seat 5, the clamping groove 61 is formed in the bearing sleeve 4 corresponding to the clamping jaw 60, when the clamping jaw 60 is positioned in the clamping groove 61, the movable seat 5 is connected with the bearing sleeve 4, and when the clamping jaw 60 is positioned outside the clamping groove 61, the movable seat 5 is separated from the bearing sleeve 4, so that the bearing sleeve is simple in structure and ingenious in design, and the connection between the movable seat 5 and the bearing sleeve 4 is easy to realize, and the occupied space is small.

The quick release assembly 7 includes a traverse guide 70, a pressing jaw 71 and a fixing member 72, the movable seat 5 is slidably disposed on the traverse guide 70, the pressing jaw 71 is detachably assembled on the movable seat 5 through a detachable member, the fixing member 72 is fixedly disposed on one side of the traverse guide 70, and when the movable seat 5 is connected with the bearing housing 4, the pressing jaw 71 presses the fixing member 72 to fasten the movable seat 5 on the traverse guide 70.

Obviously, be provided with sideslip guide rail 70, press pincers 71 and mounting 72, remove seat 5 and pass through the slider slidable and set up on sideslip guide rail 70, press pincers 71 pass through removable piece detachably and assemble on removing seat 5, the mounting 72 is fixed to be set up in one side of sideslip guide rail 70, when removing seat 5 and bearing housing 4 link to each other, press the one end of pincers 71 and press on the terminal surface of mounting 72, in order to compress tightly removing seat 5 on sideslip guide rail 70 and fix, compact structure not only, remove seat 5's fixed convenient and fast moreover, test efficiency has been improved.

The rotating shaft 2 is provided with a positioning step 20, the inner ring of the bearing to be tested is sleeved on the positioning step 20, the end face of the positioning step 20 is provided with a threaded hole, a bolt 9 is arranged corresponding to the threaded hole, and the bolt 9 is screwed into the threaded hole so as to fix the inner ring of the bearing to be tested on the rotating shaft 2.

Two locking threaded holes 40 are formed in the bearing sleeve 4, jackscrews are screwed into the locking threaded holes 40 to fasten the bearing sleeve 4 on the outer ring of the bearing to be tested, and a fixing mode convenient to assemble and disassemble is provided.

When the bearing dynamic torque testing machine is tested, the following steps are carried out:

s1, sleeving an inner ring of a bearing to be tested on a rotating shaft 2, and screwing a bolt 9 into a threaded hole at the end part of the rotating shaft 2 so as to press and fix the inner ring of the bearing to be tested on a positioning step 20;

s2, screwing a jackscrew into the locking threaded hole 40, and propping up the bearing sleeve 4 on the outer ring of the bearing to be tested;

s3, the movable seat 5 slides on the transverse guide rail 70 along the direction approaching to the bearing sleeve 4, and the clamping jaw 60 on the movable seat 5 moves into the clamping groove 61 on the bearing sleeve 4, so that the movable seat 5 is connected with the bearing sleeve 4;

s4, one end of the pressing clamp 71 is pressed against the end face of the fixing piece 72 so as to press the movable seat 5 on the transverse moving guide rail 70 for fixing;

s5, the driving piece 3 drives the rotating shaft 2 to rotate, and the rotating shaft 2 drives the inner ring of the bearing to be tested to rotate, so that a test is performed.

The above embodiments merely illustrate the basic principles and features of the present utility model, and the present utility model is not limited to the above examples, but can be variously changed and modified without departing from the spirit and scope of the present utility model, which is within the scope of the present utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a bearing dynamic torque testing machine, its includes the frame, its characterized in that is provided with actuating assembly, pivot and fixed subassembly in the frame, actuating assembly's stiff end install in the frame, actuating assembly's loose end is connected the pivot, the inner circle of awaiting measuring the bearing is detachably fixed in the pivot, fixed subassembly is used for preventing changeing to fix the outer lane of awaiting measuring the bearing, fixed subassembly includes the bearing housing, removes seat, clutch subassembly and quick detach subassembly, the bearing housing overlap in the outer lane of awaiting measuring the bearing and pass through the retaining member with the outer lane fixed connection of awaiting measuring the bearing, remove the seat can be close to or keep away from the bearing housing ground assemble in the frame, clutch subassembly be used for with remove the seat with the bearing housing is connected or is separated, quick detach subassembly is used for will remove the seat when removing the seat with the bearing housing is connected in the frame.

2. The dynamic torque testing machine for bearings according to claim 1, wherein said clutch assembly comprises a claw and a clamping groove, said claw is fixedly mounted on said movable seat, said clamping groove is provided on said bearing housing corresponding to said claw, said movable seat is connected with said bearing housing when said claw is positioned in said clamping groove, and said movable seat is separated from said bearing housing when said claw is positioned outside said clamping groove.

3. The dynamic torque testing machine for bearings according to claim 1, wherein said quick release assembly comprises a traverse guide, a pressing jaw and a fixing member, said movable base is slidably disposed on said traverse guide through a slider, said pressing jaw is detachably assembled on said movable base through a detachable member, said fixing member is fixedly disposed on one side of said traverse guide, and when said movable base is connected with said bearing housing, one end of said pressing jaw is pressed against an end surface of said fixing member to press said movable base against said traverse guide for fixing.

4. The dynamic torque testing machine for bearings according to claim 1, wherein a positioning step is arranged on the rotating shaft, the inner ring of the bearing to be tested is sleeved on the positioning step, a threaded hole is formed in the end face of the positioning step, a bolt is arranged corresponding to the threaded hole, and the bolt is screwed into the threaded hole so as to fix the inner ring of the bearing to be tested on the rotating shaft.

5. The dynamic torque testing machine for bearings according to claim 1, wherein the bearing housing is provided with at least one locking threaded hole, the locking member is a jackscrew, and the jackscrew is screwed into the locking threaded hole so as to fix the bearing housing to the outer ring of the bearing to be tested in a jacking manner.

6. The dynamic torque tester for bearings according to claim 1, wherein the driving assembly comprises a driving member, a fixed end of the driving member is fixed on the frame, and a movable end of the driving member is fixedly connected with the rotating shaft through a coupling.