CN219715035U - Bearing testing machine - Google Patents

Abstract

The utility model discloses a bearing testing machine which comprises a rotating shaft, a bearing traction assembly and a driving assembly, wherein the rotating shaft is rotatably assembled on a rack, the driving assembly drives the rotating shaft to rotate, the rotating shaft penetrates through an inner ring of a bearing to be tested and is tightly matched with the inner ring so as to drive the bearing to be tested to rotate, the bearing traction assembly comprises a traction seat and a bearing traction device, the bearing to be tested is detachably arranged on the traction seat, and the bearing traction device is used for providing a pulling force along the radial direction of the rotating shaft for the bearing to be tested during testing. When the bearing testing machine is used for testing, the driving piece drives the rotating shaft to rotate, the bearing traction device provides radial tension along the rotating shaft for the bearing to be tested, and the bearing testing machine is used for testing, so that the bearing testing machine is ingenious in design, convenient to operate, small in occupied space and compact in structure.

Description

Bearing testing machine

Technical Field

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

Background

The bearing with a seat is a bearing unit that combines a rolling bearing with a bearing seat. Most rolling bearings are formed by making the outer diameter of the outer ring of a bearing core into a spherical surface, and installing the spherical outer ring and a bearing seat with a spherical inner hole together, so that the rolling bearings are various in structural form and good in universality and interchangeability. Meanwhile, the bearing has certain aligning property in design, is easy to install, and has a sealing device with a double structure, so that the bearing can work in a severe environment.

The bearing with the seat needs to be tested before leaving the factory, and the tensile strength of the bearing with the seat needs to be detected generally, so that the influence of the tensile force on the bearing in operation needs to be simulated by using a bearing tensile test device, and the existing bearing tensile test device is poor in tensile effect and low in test efficiency.

Disclosure of Invention

The utility model aims to provide a bearing testing machine, which aims to solve the problems of poor stretching effect and low testing efficiency of a conventional bearing stretching testing device in the prior art.

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

a bearing testing machine, which comprises a machine frame,

the device comprises a frame, at least one test station is arranged on the frame, a rotating shaft, a bearing traction assembly and a driving assembly are arranged on each test station, the rotating shaft is rotatably assembled on the frame, the driving assembly drives the rotating shaft to rotate, the rotating shaft penetrates through an inner ring of a bearing to be tested and is in tight fit with the inner ring so as to drive the bearing to be tested to rotate, the bearing traction assembly comprises a traction seat and a bearing traction device, the bearing to be tested is detachably arranged on the traction seat, and the bearing traction device is used for providing radial tension along the rotating shaft for the bearing to be tested during the test.

Further, the bearing traction device comprises a mounting frame, a tension detection part and a traction driving assembly, wherein the mounting frame is fixed on the frame, the traction driving assembly is mounted on the mounting frame, the top end of the tension detection part is connected with the traction driving assembly, the bottom end of the tension detection part is connected with the traction seat, and the tension detection part is used for detecting traction force applied to the traction seat by the traction driving assembly.

Further, the traction driving assembly comprises a connecting rod, a spring and an adjusting screw sleeve, wherein the connecting rod is arranged on the mounting frame in a penetrating mode, the bottom end of the connecting rod is connected with the top end of the tension detecting component, the spring is arranged on the top end of the connecting rod in a sleeved mode, and the adjusting screw sleeve is arranged on the top end of the connecting rod through a threaded structure and compresses the spring to lean against the mounting frame.

Further, two fixing seats are arranged on each test station at intervals, each fixing seat is detachably provided with a bearing seat, and the rotating shaft is rotatably arranged on the two bearing seats.

Further, a chute is formed in the fixing seat, two sliding blocks are detachably arranged in the chute at intervals, threaded holes are formed in the two sliding blocks, and two ends of the bearing seat are detachably arranged on the two sliding blocks through fixing bolts.

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

Further, a positioning seat is arranged on the fixed seat, and a positioning piece for positioning the rotating shaft during installation is detachably arranged on the positioning seat.

Further, the mounting frame is provided with a water spraying device, and the water spraying device is configured to spray water to the bearing to be tested on the corresponding station.

Compared with the prior art, the bearing testing machine is provided with the rotating shaft, the traction seat, the tension detecting component, the connecting rod, the spring, the adjusting screw sleeve and the mounting frame, wherein the rotating shaft penetrates through the inner ring of the bearing to be tested and is in tight fit with the inner ring, the top end of the tension detecting component is connected with the connecting rod, the bottom end of the tension detecting component is connected with the traction seat, the connecting rod penetrates through the mounting frame and is connected with the top end of the tension detecting component, the spring is sleeved on the top end of the connecting rod, the adjusting screw sleeve is arranged on the top end of the connecting rod through a screw structure and compresses the spring to abut against the mounting frame, and the radial tension of the rotating shaft is provided for the bearing to be tested through the stretching of the spring; the fixing seat is additionally arranged, the sliding groove and the sliding block are additionally arranged on the fixing seat, the sliding block can be slidably arranged in the sliding groove, the installation hole is formed in the sliding block, the bearing seat can be detachably fixed in the installation hole through the fixing bolt, the distance between the sliding blocks is changed by adjusting the position of the sliding block in the sliding groove, and therefore the rotating shafts of different specifications can be provided to adapt to the bearings to be tested of different specifications, and the universality of the test is improved.

Drawings

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

FIG. 2 is a schematic front view of a bearing testing machine according to an embodiment of the present utility model;

fig. 3 is a schematic top view of a bearing tester 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 to 3, in this embodiment, a bearing testing machine includes a frame 1, four testing stations are disposed on the frame 1 at intervals, each testing station is connected to a numerical control operation table 2, a rotating shaft 3, a bearing pulling component and a driving component are disposed on each testing station, the rotating shaft 3 is rotatably assembled on the frame 1, the driving component drives the rotating shaft 3 to rotate, the rotating shaft 3 penetrates through an inner ring of a bearing 4 to be tested and is tightly matched with the inner ring so as to drive the bearing 4 to be tested to rotate, the bearing pulling component includes a pulling seat 5 and a bearing pulling device, the bearing 4 to be tested is detachably mounted on the pulling seat 5, the bearing pulling device is used for providing a pulling force along a radial direction of the rotating shaft 3 to the bearing 4 to be tested during testing, the driving component includes a driving member 6, the driving member 6 is fixed on the frame 1, and a driving end of the driving member 6 is connected with the rotating shaft 3 through a coupling.

The bearing traction device comprises a mounting frame 7, a tension detection component 8 and a traction driving component, wherein the mounting frame 7 is fixed on the frame 1, the traction driving component is installed on the mounting frame 7, the top end of the tension detection component 8 is connected with the traction driving component, the bottom end of the tension detection component 8 is connected with a traction seat 5, the tension detection component 8 is used for detecting traction force applied to the traction seat 5 by the traction driving component, a water spraying device 70 is arranged on the mounting frame 7, the water spraying device 70 is configured to spray water to a bearing 4 to be tested on a corresponding station, the traction driving component comprises a connecting rod 9, a spring 10 and an adjusting screw sleeve 11, the connecting rod 9 is arranged on the mounting frame 7 in a penetrating mode, the bottom end of the connecting rod is connected with the top end of the tension detection component 8, the spring 10 is sleeved on the top end of the connecting rod 9, and the adjusting screw sleeve 11 is installed on the top end of the connecting rod 9 through a threaded structure and compresses the spring 10 to lean against the mounting frame 7.

Two fixing seats 12 are arranged on each test station at intervals, each fixing seat 12 is provided with a bearing seat 13 in a detachable manner, a rotating shaft 3 is rotatably arranged on the two bearing seats 13, a sliding groove 120 is formed in each fixing seat 12, two sliding blocks 121 are detachably arranged in each sliding groove 120 at intervals, threaded holes are formed in the two sliding blocks 121, two ends of each bearing seat 13 are detachably arranged on the two sliding blocks 121 through fixing bolts, a positioning seat is arranged on each fixing seat 12, and a positioning piece 14 for positioning the rotating shaft 3 during installation is detachably arranged on each positioning seat.

Obviously, the device is provided with the rotating shaft 3, the traction seat 5, the tension detection part 8, the connecting rod 9, the spring 10, the adjusting screw sleeve 11 and the mounting frame 7, wherein the rotating shaft 3 is arranged on the inner ring of the bearing 4 to be tested in a penetrating way and is in tight fit with the inner ring, the top end of the tension detection part 8 is connected with the connecting rod 9, the bottom end of the tension detection part 8 is connected with the traction seat 5, the connecting rod 9 is arranged on the mounting frame 7 in a penetrating way and the bottom end of the connecting rod 9 is connected with the top end of the tension detection part 8, the spring 10 is sleeved on the top end of the connecting rod 9, the adjusting screw sleeve 11 is arranged on the top end of the connecting rod 9 through a threaded structure and compresses the spring 10 to be abutted against the mounting frame 7, and the radial tension of the rotating shaft 3 is provided for the bearing 4 to be tested through the stretching of the spring 10, so that the device is ingenious in design and convenient to operate, and the tension of the bearing 4 to be tested is detected through the tension detection part 8, and the test precision can be improved; the fixing seat 12 is additionally arranged, the sliding groove 120 and the sliding block 121 are additionally arranged on the fixing seat 12, the sliding block 121 can be slidably arranged in the sliding groove 120, the sliding block 121 is provided with a mounting hole, the bearing seat 13 can be detachably fixed in the mounting hole through the fixing bolt, the distance between the sliding blocks 121 is changed by adjusting the position of the sliding block 121 in the sliding groove 120, so that the rotating shafts 3 with different specifications can be provided, the bearing 4 with different specifications to be tested is adapted, and the universality of the test is improved.

In the bearing testing machine, during testing, the sliding block 121 is adjusted to a position matched with the rotating shaft 3 in the sliding groove 120, the rotating shaft 3 penetrates through the inner ring of the bearing 4 to be tested and is tightly matched with the inner ring, the rotating shaft 3 is sleeved on the bearing seat 13, the bearing seat 13 is adjusted to enable the rotating shaft 3 to abut against the positioning piece 14, and the bearing seat 13 is fixed on the fixed seat 12 through the fixing bolt; the driving piece 6 drives the rotating shaft 3 to rotate through a coupler; through adjusting the position of adjusting swivel nut 11 on connecting rod 9, spring 10 compression is supported and is leaned on mounting bracket 7, provides along the radial pulling force of pivot 3 for the bearing 4 that awaits measuring, and the pulling force detects part 8 detects the bearing 4 pressure size that awaits measuring, and driving piece 6 drive pivot 3 rotates, carries out the test.

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 (8)

1. The utility model provides a bearing test machine, its includes the frame, its characterized in that is provided with at least one test station in the frame, is provided with pivot, bearing traction assembly and drive assembly on every test station, the pivot rotationally assembles in the frame, the drive assembly drive the pivot rotates, the pivot wear to locate the inner circle of awaiting measuring the bearing and with the inner circle tight fit, so as to drive awaiting measuring the bearing rotation, bearing traction assembly includes traction seat and bearing traction device, awaiting measuring the bearing and removably installs on the traction seat, bearing traction device is used for providing along during the test the radial pulling force of pivot gives awaiting measuring the bearing.

2. The bearing testing machine of claim 1, wherein the bearing pulling device comprises a mounting frame, a pulling force detecting component and a pulling driving component, the mounting frame is fixed on the frame, the pulling driving component is mounted on the mounting frame, the top end of the pulling force detecting component is connected with the pulling driving component, the bottom end of the pulling force detecting component is connected with the pulling seat, and the pulling force detecting component is used for detecting the pulling force applied to the pulling seat by the pulling driving component.

3. The bearing testing machine according to claim 2, wherein the traction driving assembly comprises a connecting rod, a spring and an adjusting screw sleeve, the connecting rod is arranged on the mounting frame in a penetrating manner, the bottom end of the connecting rod is connected with the top end of the tension detecting component, the spring is arranged on the top end of the connecting rod in a sleeved manner, and the adjusting screw sleeve is arranged on the top end of the connecting rod through a threaded structure and compresses the spring against the mounting frame.

4. The bearing testing machine of claim 1, wherein two fixing seats are arranged on each testing station at intervals, each fixing seat is detachably provided with a bearing seat, and the rotating shaft is rotatably arranged on two bearing seats.

5. The bearing testing machine according to claim 4, wherein the fixing base is provided with a sliding groove, two sliding blocks are detachably arranged in the sliding groove at intervals, threaded holes are formed in the two sliding blocks, and two ends of the bearing seat are detachably arranged on the two sliding blocks through fixing bolts.

6. The bearing testing machine of claim 4, wherein the drive assembly comprises a drive member secured to the frame, and wherein the drive end of the drive member is coupled to the shaft via a coupling.

7. The bearing testing machine according to claim 4, wherein the fixing base is provided with a positioning base, and a positioning member for positioning the rotating shaft when the rotating shaft is mounted is detachably mounted on the positioning base.

8. Bearing tester according to claim 2, characterized in that the mounting frame is provided with water spraying means configured to spray water onto the bearing to be tested at the corresponding station.