CN219714741U

CN219714741U - Deep groove ball bearing stress intensity test fixture

Info

Publication number: CN219714741U
Application number: CN202320205605.9U
Authority: CN
Inventors: 许加斌
Original assignee: Ningfan Bearing Co ltd
Current assignee: Ningfan Bearing Co ltd
Priority date: 2023-02-14
Filing date: 2023-02-14
Publication date: 2023-09-19
Anticipated expiration: 2033-02-14

Abstract

The utility model discloses a deep groove ball bearing stress intensity testing tool, which comprises the following components: the outer ring tool assembly comprises a fixed seat, an outer ring pressing hook, an adjusting supporting rod and a linkage disc, the fixed seat is a plurality of outer ring pressing hooks which are uniformly distributed in the circumferential direction and fixed on the surface of the tool table, the outer ring pressing hook is rotatably mounted on the surface of the fixed seat, the tool seat comprises a supporting disc and a supporting disc, the supporting disc is fixedly mounted on the surface of the fixed seat, and the linkage disc is rotatably mounted on the surface of the supporting disc. According to the utility model, by arranging the novel pressing clamp structure, the outer ring surface of the bearing to be tested is pressed and fixed by utilizing the deflection movement of the outer ring pressing hook, the pressing and fixing acting force and the stress testing acting force are mutually independent, the interference to the stress testing result is avoided, the accurate measurement is kept, and the phenomena of tripping and edge tilting in the process of testing can be avoided by utilizing the pressing and fixing action to keep the bearing stable.

Description

Deep groove ball bearing stress intensity test fixture

Technical Field

The utility model relates to the technical field of bearing production, in particular to a deep groove ball bearing stress intensity testing tool.

Background

Bearing raceways are typically subjected to pulsating contact stress cycling during rolling of the rolling elements, creating significant concentrated stresses at material defect sites such as pores and inclusions, and crack initiation and propagation at the raceway subsurface, which is the region about several hundred microns deep below the raceway surface, occurs under the cyclic stresses. In the production and processing, stress test is often required to be carried out on some deep groove ball bearings so as to ensure that the stress bearable by the workpiece can meet the subsequent processing or use requirements. At present, no accurate requirement exists for the test fixture in China, and the test fixture is manufactured by itself only according to the test requirement and is welded and formed. Or the existing hydraulic chuck structure is directly adopted to clamp the bearing to be tested, and the clamping force is loaded, so that the bearing has a certain protection effect on a tested workpiece, a test result error occurs in stress test, and certain defects exist. In view of the above, the present utility model provides a tool for testing stress intensity of deep groove ball bearings, which solves the existing problems and aims to solve the problems and improve the practical value by the technology.

Disclosure of Invention

The present utility model aims to solve one of the technical problems existing in the prior art or related technologies.

The technical scheme adopted by the utility model is as follows: a deep groove ball bearing stress intensity test fixture includes: the outer ring tool assembly comprises a fixed seat, an outer ring pressing hook, an adjusting supporting rod and a linkage disc, wherein the fixed seat is a plurality of outer ring pressing hooks which are uniformly distributed in the circumferential direction and fixed on the surface of the tool table, the outer ring pressing hooks are rotatably arranged on the surface of the fixed seat, the tool seat comprises a supporting disc and a supporting disc, the supporting disc is fixedly arranged on the surface of the fixed seat, the linkage disc is rotatably arranged on the surface of the supporting disc, the top surface of the supporting disc is provided with a plurality of supporting guide pins fixedly connected with the bottom surface of the supporting disc, the adjusting supporting rod is fixedly arranged on the surface of the outer ring pressing hooks, one end of the adjusting supporting rod penetrates through the inner side of the outer ring pressing hooks, and a plurality of cams which are in one-to-one correspondence with the adjusting supporting rods are arranged on the periphery of the linkage disc to the edge.

The present utility model may be further configured in a preferred example to: the supporting plate and the bearing plate are disc-shaped, the top surface of the bearing plate is of a plane structure, and the fixing seat and the outer ring pressing hooks are uniformly distributed on the periphery of the tool seat.

The present utility model may be further configured in a preferred example to: the surface of the outer ring pressing hook is provided with a threaded hole matched with an adjusting supporting rod, and the adjusting supporting rod is of a screw structure.

The present utility model may be further configured in a preferred example to: the bottom of linkage dish is equipped with the pivot that runs through and cup joints in the supporting disk surface, and the bottom fixedly connected with of pivot changes the handle.

The present utility model may be further configured in a preferred example to: the surface of the linkage disc is provided with a plurality of moving guide grooves, the moving guide grooves are movably sleeved on the surface of the supporting guide pin, the moving guide grooves are of arc-shaped groove structures, and the circle center of each moving guide groove is located on the circle center axis of the linkage disc and the circle center of the supporting disc.

The present utility model may be further configured in a preferred example to: the top of outer loop presses the hook is equipped with presses the hook, the surface of outer loop presses the hook is equipped with the round pin that is connected with the fixing base surface, adjust the butt pole and press the hook to be located the upper and lower both ends of round pin respectively.

The present utility model may be further configured in a preferred example to: the outer side of the cam propping edge is arc-shaped, and the distances between the two ends of the cam propping edge and the circle center of the supporting disc are unequal.

The beneficial effects obtained by the utility model are as follows:

1. according to the utility model, by arranging the novel pressing clamp structure, the outer ring surface of the bearing to be tested is pressed and fixed by utilizing the deflection movement of the outer ring pressing hook, the pressing and fixing acting force and the stress testing acting force are mutually independent, the interference to the stress testing result is avoided, the accurate measurement is kept, and the phenomena of tripping and edge tilting in the process of testing can be avoided by utilizing the pressing and fixing action to keep the bearing stable.

2. According to the utility model, by arranging the novel cam working assembly, the surface cam of the novel cam working assembly is contacted with the outer ring pressing hook surface adjusting supporting rod by utilizing the rotation of the linkage disc, so that the outer ring pressing hooks are enabled to tilt by the lever, the rotation of the linkage disc synchronously drives the plurality of outer ring pressing hooks to realize unlocking and locking operations, the novel cam working assembly is simple in structure and high in practicability, and the working efficiency is improved in display.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic view of an installation structure of an outer ring tooling assembly according to an embodiment of the present utility model;

FIG. 3 is an exploded view of an outer ring tooling assembly according to one embodiment of the present utility model;

fig. 4 is a schematic view of an outer ring press hook mounting structure according to an embodiment of the present utility model.

Reference numerals:

100. a tooling table;

200. an outer ring tooling assembly; 210. a fixing seat; 220. an outer ring pressing hook; 230. adjusting the supporting rod; 240. a linkage disc; 250. a rotating handle; 241. a moving guide groove; 242. a cam abutting edge;

300. a tool seat; 310. a support plate; 320. a tray; 311. supporting the guide pin.

Detailed Description

The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

The following describes a deep groove ball bearing stress intensity test tool provided by some embodiments of the utility model with reference to the accompanying drawings.

Referring to fig. 1-4, the utility model provides a deep groove ball bearing stress intensity testing tool, which comprises: the tooling table 100, outer loop tooling assembly 200 and frock seat 300, outer loop tooling assembly 200 fixed mounting is in tooling table 100 surface, outer loop tooling assembly 200 includes fixing base 210, outer loop press hook 220, adjust supporting rod 230 and linkage dish 240, the quantity of fixing base 210 is a plurality of and is circumferencial direction evenly distributed and be fixed in tooling table 100's surface, outer loop press hook 220 rotates the surface of installing in fixing base 210, frock seat 300 includes supporting disk 310 and bearing dish 320, supporting disk 310 fixed mounting is in fixing base 210's surface, linkage dish 240 rotates the surface of installing in supporting disk 310, supporting disk 310's top surface is equipped with a plurality of supporting guide pins 311 with bearing dish 320 bottom surface fixed connection, adjust supporting rod 230 fixed mounting is in outer loop press hook's surface and one end runs through to outer loop press hook 220's inboard, the periphery of linkage dish 240 is equipped with a plurality of cams with adjust supporting rod 230 one-to-one along 242.

In this embodiment, the support plate 310 and the supporting plate 320 are disc-shaped, the top surface of the supporting plate 320 is in a planar structure, and the fixing base 210 and the outer ring pressing hooks 220 are uniformly distributed on the periphery of the tool holder 300.

In this embodiment, the surface of the outer ring pressing hook 220 is provided with a threaded hole adapted to the adjusting support rod 230, and the adjusting support rod 230 has a screw structure.

Specifically, the exposed area of one end of the adjusting support rod 230 on the surface of the outer ring pressing hook 220 can be adjusted in a rotating manner, so that the adjusting support rod is in contact with the surface of the linkage disc 240, and the initial deflection angle of the outer ring pressing hook 220 is changed.

In this embodiment, the bottom end of the linkage disc 240 is provided with a rotating shaft that penetrates through and is sleeved on the surface of the supporting disc 310, and the bottom end of the rotating shaft is fixedly connected with a rotating handle 250.

Specifically, the torque of the linkage disc 240 is increased by the rotary handle 250, so that the linkage disc 240 is easier to rotate during operation.

In this embodiment, the surface of the linkage disc 240 is provided with a plurality of moving guide grooves 241, the moving guide grooves 241 are movably sleeved on the surface of the supporting guide pins 311, the moving guide grooves 241 are in an arc-shaped groove structure, and the circle center is located on the circle axis of the linkage disc 240 and the supporting disc 310.

Specifically, the rotational movement of the link plate 240 is defined by the socket coupling of the support guide pin 311 and the movement guide groove 241, and the link plate 240 is prevented from being separated.

In this embodiment, the top end of the outer ring pressing hook 220 is provided with a pressing hook, the surface of the outer ring pressing hook 220 is provided with a rotating pin connected with the surface of the fixing base 210, and the adjusting support rod 230 and the pressing hook are respectively located at the upper end and the lower end of the rotating pin.

Specifically, the deflection movement of the outer ring press hook 220 is realized by using the rotating pin, and the pressing locking of the bearing is realized by pressing the hook on the surface of the outer ring press hook 220.

In this embodiment, the outer side of the cam abutment 242 is curved, and the two ends of the cam abutment 242 are spaced at different distances from the center of the support plate 310.

Specifically, the rotation of the linkage plate 240 is utilized to make the adjusting support rod 230 contact with the surface of the cam support edge 242, and under the rotation of the linkage plate 240, the contact point of the adjusting support rod 230 gradually moves relatively to one end of the cam support edge 242 away from the center of the circle, so that the adjusting support rod 230 is ejected outwards, and the lever deflection movement of the outer ring pressing hook 220 is realized.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims

1. The utility model provides a deep groove ball bearing stress intensity test fixture which characterized in that includes: tool table (100), outer loop tool assembly (200) and frock seat (300), outer loop tool assembly (200) fixed mounting is in tool table (100) surface, outer loop tool assembly (200) include fixing base (210), outer loop press hook (220), adjust supporting rod (230) and gangway (240), the quantity of fixing base (210) is a plurality of and is circumferencial direction evenly distributed and be fixed in the surface of tool table (100), outer loop press hook (220) rotate install in the surface of fixing base (210), frock seat (300) include supporting disk (310) and supporting disk (320), supporting disk (310) fixed mounting is in the surface of fixing base (210), gangway (240) rotate install in supporting disk (310) surface, the top surface of supporting disk (310) be equipped with a plurality of supporting guide pins (311) with supporting disk (320) bottom surface fixed connection, adjust supporting rod (230) fixed mounting is in the surface of outer loop press hook (220) and one end run through to the inboard of outer loop press hook (220), gangway (240) periphery be equipped with a plurality of corresponding cams (230) along adjusting rod (230).

2. The deep groove ball bearing stress intensity testing tool according to claim 1, wherein the supporting plate (310) and the supporting plate (320) are disc-shaped, the top surface of the supporting plate (320) is in a planar structure, and the fixing base (210) and the outer ring pressing hooks (220) are uniformly distributed on the periphery of the tool base (300).

3. The deep groove ball bearing stress intensity testing tool according to claim 1, wherein the surface of the outer ring pressing hook (220) is provided with a threaded hole matched with an adjusting supporting rod (230), and the adjusting supporting rod (230) is of a screw structure.

4. The deep groove ball bearing stress intensity testing tool according to claim 1, wherein a rotating shaft penetrating through and sleeved on the surface of the supporting plate (310) is arranged at the bottom end of the linkage plate (240), and a rotating handle (250) is fixedly connected to the bottom end of the rotating shaft.

5. The deep groove ball bearing stress intensity testing tool according to claim 1, wherein the surface of the linkage disc (240) is provided with a plurality of moving guide grooves (241), the moving guide grooves (241) are movably sleeved on the surface of the supporting guide pins (311), and the moving guide grooves (241) are of arc-shaped groove structures, and the circle centers of the moving guide grooves are located on the circle center axes of the linkage disc (240) and the supporting disc (310).

6. The deep groove ball bearing stress intensity testing tool according to claim 1, wherein a pressing hook is arranged at the top end of the outer ring pressing hook (220), a rotating pin connected with the surface of the fixing seat (210) is arranged on the surface of the outer ring pressing hook (220), and the adjusting supporting rod (230) and the pressing hook are respectively arranged at the upper end and the lower end of the rotating pin.

7. The deep groove ball bearing stress intensity testing tool according to claim 1, wherein the outer side of the cam abutting edge (242) is arc-shaped, and the distances between the two ends of the cam abutting edge (242) and the circle center of the supporting disc (310) are unequal.