CN217425046U

CN217425046U - Be used for bearing high low temperature fatigue test device

Info

Publication number: CN217425046U
Application number: CN202220696997.9U
Authority: CN
Inventors: 周子焱
Original assignee: WUXI KELONG TESTING MECHANICAL CO Ltd
Current assignee: WUXI KELONG TESTING MECHANICAL CO Ltd
Priority date: 2022-03-28
Filing date: 2022-03-28
Publication date: 2022-09-13
Anticipated expiration: 2032-03-28

Abstract

The utility model discloses a be used for bearing high low temperature fatigue test device relates to bearing fatigue test technical field. The utility model discloses a testboard, swing mechanism, loading mechanism, slewing mechanism and clamping table have been installed to the upside of testboard, and clamping table is located between swing mechanism, loading mechanism and the slewing mechanism, and clamping table's downside is fixed with the main shaft, and main shaft sliding fit is at the middle part of testboard. The utility model discloses a set up the swivelling chute week in main shaft week, the gear upside sets up the slider, slider sliding fit is in the swivelling chute, thereby it goes up and down to drive the main shaft, realize carrying out the altitude mixture control according to the bearing of different specifications, so that swing mechanism, loading mechanism and slewing mechanism carry out the accurate alignment to the bearing of clamping table department, promote the test accuracy, set up the gear in the testboard, face gear, manual rotation drive assembly can make gear and face gear meshing, thereby realize the lift of main shaft, convenient autonomic regulation, and easy operation, and compact structure.

Description

Be used for bearing high low temperature fatigue test device

Technical Field

The utility model belongs to the technical field of bearing fatigue test, especially, relate to a be used for bearing high low temperature fatigue test device.

Background

With the continuous and deep research on bearings, fatigue life and reliability thereof have attracted extensive attention of each bearing production unit and related users as the most important properties of bearings. However, because the fatigue of the bearing is influenced by too many factors and the bearing fatigue theory still needs to be perfected, the test is undoubtedly the only effective way for evaluating the index.

Fatigue test device mainly used survey various bearings and bear radial, axial alternation loading and radial, the friction and wear life-span when axial oscillation, then because the bearing specification size that needs the test is different, the test error that can appear aiming at inaccurate and lead to or the not accurate condition of test data takes place when testing, consequently need adjust the clamp station according to the size of bearing, but current clamp station is adjusted often can appear adjusting too high or too low condition and appear, need adjust many times just can reach the requirement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be used for bearing high low temperature fatigue test device, solved the problem that the not accurate enough condition of fatigue test device test data takes place among the above-mentioned prior art.

In order to achieve the purpose, the utility model is realized by the following technical proposal:

a high and low temperature fatigue testing device for a bearing comprises a test board, wherein a swinging mechanism, a loading mechanism, a rotating mechanism and a clamping table are arranged on the upper side of the test board, the clamping table is positioned among the swinging mechanism, the loading mechanism and the rotating mechanism, a main shaft is fixed on the lower side of the clamping table, and the main shaft is in sliding fit with the middle part of the test board;

the periphery of the main shaft is provided with a rotating groove, the middle of the test board is provided with a gear and an end face gear, the gear is meshed with the end face gear, two sliding blocks are fixed on the upper side of the gear, the sliding blocks are in sliding fit in the rotating groove, and the middle of one side of the end face gear is provided with a driving assembly.

Optionally, the swing mechanism, the loading mechanism and the rotating mechanism each include a motor, a fixing shaft installed at an output end of the motor, two flanges installed at two ends of the fixing shaft respectively, a housing fixed between the two flanges, and a plurality of bolts installed at the middle of the housing, the plurality of bolts are arranged in sequence in a circumferential manner, the fixing shaft is located in the middle of the plurality of bolts, the fixing shaft is located in the middle of the housing, and the fixing shaft is in rotating fit with the housing.

Optionally, the two sliding blocks are different in length and symmetrically arranged at the edge of the upper side of the gear.

Optionally, the driving assembly comprises a rod fixed in the middle of one side of the face gear, a barrel in sliding fit with one end of the rod, and a ratchet wheel assembly fixed at one end of the barrel, the rod is in sliding fit with the middle of the ratchet wheel assembly, the ratchet wheel assembly comprises a ratchet wheel fixed at one end of the barrel, a pawl and a non-return pawl arranged on one side of the test board, and the pawl and the non-return pawl correspond to the ratchet wheel.

The embodiment of the utility model has the following beneficial effects:

the utility model discloses an embodiment is through setting up the swivelling chute all around at the main shaft, the gear upside sets up the slider, slider sliding fit is in the swivelling chute, thereby it goes up and down to drive the main shaft, the realization carries out altitude mixture control according to the bearing of different specifications, so that swing mechanism, loading mechanism and slewing mechanism carry out the accurate alignment to the bearing of pressing from both sides tight platform department, promote the test accuracy, set up the gear in the testboard, face gear, manual rotation drive assembly can make gear and face gear meshing, thereby realize the lift of main shaft, convenient autonomic regulation, and easy operation, compact structure.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages simultaneously.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of an assembled three-dimensional structure of a test board and a swing mechanism according to an embodiment of the present invention;

fig. 2 is a schematic view of an assembled three-dimensional structure of a loading mechanism and a rotating mechanism according to an embodiment of the present invention;

fig. 3 is a schematic view of an assembly section structure of a rotating mechanism and a clamping table according to an embodiment of the present invention;

FIG. 4 is a schematic view of the structure at A in FIG. 3;

fig. 5 is a schematic view of an assembled three-dimensional structure of the barrel and the ratchet assembly according to an embodiment of the present invention.

Wherein the figures include the following reference numerals:

the device comprises a test bench 1, a swing mechanism 2, a loading mechanism 3, a rotating mechanism 4, a clamping bench 5, a motor 6, a flange 7, a fixed shaft 8, a shell 9, a bolt 10, a main shaft 11, a rotary groove 12, a sliding block 13, a gear 14, an end face gear 15, a driving assembly 16, a rod body 17, a cylinder body 18 and a ratchet wheel assembly 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

To maintain the following description of the embodiments of the present invention clear and concise, detailed descriptions of well-known functions and components may be omitted.

Referring to fig. 1-5, in the present embodiment, a high and low temperature fatigue testing apparatus for a bearing is provided, including: the device comprises a test board 1, wherein the upper side of the test board 1 is provided with a swinging mechanism 2, a loading mechanism 3, a rotating mechanism 4 and a clamping table 5, the clamping table 5 is positioned among the swinging mechanism 2, the loading mechanism 3 and the rotating mechanism 4, the lower side of the clamping table 5 is fixed with a main shaft 11, and the main shaft 11 is in sliding fit with the middle part of the test board 1;

the periphery of the main shaft 11 is provided with a rotating groove 12, the middle part of the test bench 1 is provided with a gear 14 and an end face gear 15, the gear 14 is meshed with the end face gear 15, two sliding blocks 13 are fixed on the upper side of the gear 14, the sliding blocks 13 are in sliding fit in the rotating groove 12, and the middle part of one side of the end face gear 15 is provided with a driving assembly 16.

The application of one aspect of the embodiment is as follows: the bearing that will need the test is placed in the tight platform 5 department of clamp of testboard 1 upside, then adjust tight platform 5 of clamp according to the size of different bearings, so that swing mechanism 2, loading mechanism 3 and slewing mechanism 4 carry out test operation to the bearing, firstly, rotate drive assembly 16, drive assembly 16 drives face gear 15 and gear 14 meshing, then gear 14 drives two sliders 13 and rotates, slider 13 sliding fit is in the swivelling chute 12 simultaneously, thereby drive main shaft 11 and go up and down, main shaft 11 drives tight platform 5 of clamp and goes up and down, realize carrying out better test to the bearing of different specification sizes. It should be noted that all the electric devices referred to in this application may be powered by a storage battery or an external power source.

Through set up the swivelling chute 12 in 11 week sides of main shaft, 14 upsides of gear set up slider 13, slider 13 sliding fit is in swivelling chute 12, thereby drive main shaft 11 and go up and down, the realization carries out altitude mixture control according to the bearing of different specifications, so that swing mechanism 2, loading mechanism 3 and slewing mechanism 4 carry out the accurate alignment to the bearing of clamping table 5 department, promote the test accuracy, set up gear 14 in testboard 1, face gear 15, manual rotation drive assembly 16 can make gear 14 and face gear 15 mesh, thereby realize the lift of main shaft 11, convenient autonomic regulation, and easy operation, compact structure.

Referring to fig. 2-3, the swing mechanism 2, the loading mechanism 3 and the rotating mechanism 4 of the present embodiment each include a motor 6, a fixing shaft 8 installed at an output end of the motor 6, two flanges 7 respectively installed at two ends of the fixing shaft 8, a housing 9 fixed between the two flanges 7, and a plurality of bolts 10 installed at a middle portion of the housing 9, wherein the plurality of bolts 10 are circumferentially arranged in sequence, the fixing shaft 8 is located at a middle portion of the plurality of bolts 10, the fixing shaft 8 is located at a middle portion of the housing 9, and the fixing shaft 8 is rotatably matched with the housing 9. The method comprises the steps of installing a flange 7 on the peripheral side of a fixing shaft 8, installing a shell 9 and the flange 7 in a threaded mode, then installing the other flange 7 on the end portion of the shell 9 in a threaded mode, enabling the fixing shaft 8 to be located in the middle of the shell 9, then enabling a plurality of bolts 10 to penetrate through the middle of the shell 9 and be fixed through the flange 7, enabling the peripheral side of the fixing shaft 8 to be reinforced through the shell 9 and the bolts 10, improving the rigidity of the fixing shaft 8, reducing deformation or breakage of the fixing shaft 8 caused by tension and pressure in the testing process, and improving the overall stability.

Referring to fig. 3, the two sliding blocks 13 of the present embodiment have different lengths, and the two sliding blocks 13 are symmetrically disposed at the edge of the upper side of the gear 14. The two sliders 13 support the main shaft 11.

Referring to fig. 4-5, the driving assembly 16 of the present embodiment includes a rod 17 fixed in the middle of one side of the face gear 15, a cylinder 18 slidably engaged with one end of the rod 17, and a ratchet assembly 19 fixed at one end of the cylinder 18, wherein the rod 17 is slidably engaged in the middle of the ratchet assembly 19, the ratchet assembly 19 includes a ratchet fixed at one end of the cylinder 18, a pawl and a non-return pawl mounted on one side of the testing platform 1, and the pawl and the non-return pawl correspond to the ratchet. When the main shaft 11 needs to descend, the barrel 18 is pulled, the ratchet wheel at one end of the barrel 18 is meshed with the pawl and the non-return pawl, then the barrel is rotated, the barrel drives the rod body 17 to rotate, the end face gear 15 is driven to rotate, when the main shaft 11 needs to ascend, the barrel 18 does not need to be pulled, the barrel 18 is directly rotated, the problem that the main shaft 11 automatically descends due to the fact that a bearing on the upper side of the clamping table 5 is too heavy is effectively solved, and the ratchet wheel assembly 19 is a one-way rotating mechanism.

The above embodiments may be combined with each other.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Claims

1. A high and low temperature fatigue testing device for a bearing is characterized by comprising: the device comprises a test board (1), wherein a swinging mechanism (2), a loading mechanism (3), a rotating mechanism (4) and a clamping table (5) are arranged on the upper side of the test board (1), the clamping table (5) is positioned among the swinging mechanism (2), the loading mechanism (3) and the rotating mechanism (4), a main shaft (11) is fixed on the lower side of the clamping table (5), and the main shaft (11) is in sliding fit with the middle of the test board (1);

a rotating groove (12) is formed in the peripheral side of the main shaft (11), a gear (14) and an end face gear (15) are arranged in the middle of the test bench (1), the gear (14) is meshed with the end face gear (15), two sliding blocks (13) are fixed on the upper side of the gear (14), the sliding blocks (13) are in sliding fit in the rotating groove (12), and a driving assembly (16) is arranged in the middle of one side of the end face gear (15).

2. The high and low temperature fatigue testing device for the bearing according to claim 1, wherein the swinging mechanism (2), the loading mechanism (3) and the rotating mechanism (4) each comprise a motor (6), a fixed shaft (8) installed at the output end of the motor (6), two flanges (7) respectively installed at the two ends of the fixed shaft (8), a housing (9) fixed between the two flanges (7), and a plurality of bolts (10) installed at the middle part of the housing (9).

3. A high and low temperature fatigue testing device for bearings according to claim 2, wherein the plurality of bolts (10) are arranged in a circumferential sequence, the fixed shaft (8) is located at the middle part of the plurality of bolts (10), the fixed shaft (8) is located at the middle part of the housing (9), and the fixed shaft (8) is rotatably engaged with the housing (9).

4. A high and low temperature fatigue testing device for bearings according to claim 1, wherein the two sliding blocks (13) have different lengths, and the two sliding blocks (13) are symmetrically arranged at the edge of the upper side of the gear (14).

5. A high and low temperature fatigue testing device for bearings according to claim 1, wherein the driving assembly (16) comprises a rod body (17) fixed in the middle of one side of the face gear (15), a cylinder body (18) in sliding fit with one end of the rod body (17), and a ratchet assembly (19) fixed on one end of the cylinder body (18), and the rod body (17) is in sliding fit with the ratchet assembly (19).

6. The high and low temperature fatigue testing device for the bearing as claimed in claim 5, wherein the ratchet wheel assembly (19) comprises a ratchet wheel fixed at one end of the barrel (18), a pawl and a check pawl arranged at one side of the testing table (1), and the pawl and the check pawl correspond to the ratchet wheel.