Retainer detection tool

Abstract

The utility model discloses a retainer detection tool, and relates to the technical field of bearing detection, the retainer detection tool comprises a workbench, the surface of the workbench is provided with a driving member, four corners of the driving member are respectively provided with a moving member, the driving member comprises a motor installed in the workbench, the output end of the motor is fixedly connected with a rotating shaft, the top of the rotating shaft is fixedly connected with a rotating ring, and the rotating ring is fixedly connected with the rotating shaft. Driving plates in an annular array are fixedly connected to the outer surface of the rotating ring, sliding grooves are formed in the driving plates, the moving part comprises moving rods located on the surface of the workbench, the moving rods are located at the bottoms of the driving plates, nuts are fixedly connected to the tops of one ends of the moving rods, the nuts are located at the bottoms of the sliding grooves, and bolts are movably connected to the interiors of the sliding grooves; the bottom of the bolt extends to the bottom of the driving plate through the sliding groove and is in threaded connection with the nut. According to the retainer detection tool provided by the utility model, through the arrangement of the moving part and the driving part, a bidirectional tension test can be directly carried out on the retainer detection tool, so that the performance of the retainer can be comprehensively evaluated.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing detection, in particular to a retainer detection tool. Background Art

[0002] The cage is a structure inside the bearing used to fix the relative position and relative motion state of the rolling elements during operation. Its main function is to maintain the spacing and normal relative motion of the rolling elements and prevent the rolling elements from colliding with each other or falling off.

[0003] The cage inspection tooling includes the inspection of the cage's tension, pulling force, bending and compressive strength to ensure that the cage can maintain a stable structure and normal operation when subjected to external loads. The existing Chinese patent with the authorization announcement number CN216386585U discloses a test tooling for the cage's compression test. It realizes the radial loading test of the cage through the cooperation of the upper base and the lower base, and realizes the normal loading by using the arc groove on the tooling block in conjunction with the plug, and the arc effect of the plug and the arc groove is used for normal stability, so that the test results are more reliable; in the above-mentioned prior art, the compression strength test of the cage is completed by the upper base and the lower base.

[0004] At present, when testing the tension of the retainer, the retainer is generally clamped by two sets of clamps, and the two sets of clamps are moved away from each other by a driving structure to observe the deformation of the retainer to determine its tension degree. However, in actual operation, it is only possible to test the unidirectional tension of the retainer, and it is impossible to test the bidirectional tension of the retainer. Therefore, it is impossible to fully evaluate the performance of the retainer. Utility Model Content

[0005] In view of the problem that the prior art can only test the unidirectional tension of the cage and cannot comprehensively evaluate the performance of the cage, the present utility model is proposed.

[0006] Therefore, the utility model aims to provide a cage detection tool, which aims to solve the problem that only the unidirectional tension of the cage can be tested and the performance of the cage cannot be fully evaluated.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: a retaining frame detection tool, which includes a workbench, a driving member is installed on the surface of the workbench, and moving members are installed at the four corners of the driving member. The driving member includes a motor installed inside the workbench, the output end of the motor is fixedly connected to a rotating shaft, the top of the rotating shaft is fixedly connected to a swivel, the outer surface of the swivel is fixedly connected to a driving plate of an annular array, and a slide groove is opened inside the driving plate.

[0008] As a preferred embodiment of the cage detection tooling of the present utility model, wherein: the moving member includes a moving rod located on the surface of the workbench, the moving rod is located at the bottom of the driving plate, a nut is fixedly connected to the top of one end of the moving rod, the nut is located at the bottom of the chute, a bolt is movably connected inside the chute, and the bottom of the bolt extends to the bottom of the driving plate through the chute and is threadedly connected to the nut.

[0009] As a preferred embodiment of the cage detection tooling of the present utility model, wherein: the moving member further includes a limiting block fixed on the surface of the workbench, the limiting block is sleeved on the surface of the moving rod and is movably sleeved therewith, a moving block is fixedly connected to one end of the moving rod and away from the nut, a positioning rod is fixedly connected to the top of the moving block, and a positioning groove is formed inside the positioning rod, and the positioning groove is arranged in an inverted L shape.

[0010] As a preferred embodiment of the cage detection tooling of the present utility model, wherein: a guide rail is fixedly connected to the surface of the workbench and on one side of the limiting block, a guide groove is formed at the bottom of the moving block, the guide groove is located on the surface of the guide rail and is movably connected therewith, and a positioning member is installed inside the moving block.

[0011] As a preferred embodiment of the cage detection tooling of the present utility model, wherein: the positioning member includes a gear movably connected inside the moving block, racks are installed at the top and bottom of the gear, the two racks are symmetrically arranged, the gear meshes with the racks, and a first baffle is fixedly connected to one side of the rack.

[0012] As a preferred embodiment of the cage detection tooling of the present utility model, wherein: the positioning member further includes springs installed inside the workbench, there are two springs, one end of each spring is fixedly connected to the inner side of the workbench, the other end of each spring is fixedly connected to a second baffle, and the two second baffles are respectively located on both sides of the moving block.

[0013] As a preferred embodiment of the cage detection tooling of the present utility model, wherein: damping is provided inside the spring.

[0014] Advantages of the present utility model:

[0015] 1. Through the settings of the moving member and the driving member, the unidirectional tensile tests of the cage in the horizontal and vertical directions can be freely combined, and the bidirectional tensile test can also be directly carried out, thereby providing an important reference for the design and manufacture of the product.

[0016] 2. Through the settings of the positioning rod, the positioning groove and the positioning member, the use of the fixture can be avoided, thereby saving costs. At the same time, the connection of the corresponding moving rod can be facilitated to facilitate the unidirectional or bidirectional tensile test. Brief Description of the Drawings

[0017] To more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following-described drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings. Among them:

[0018] Figure 1 It is a schematic diagram of the overall structure of the cage detection tooling of the present utility model.

[0019] Figure 2 It is a schematic exploded view of the overall structure of the cage detection tooling of the present utility model.

[0020] Figure 3 It is a schematic exploded view of the driving member and the moving member of the cage detection tooling of the present utility model.

[0021] Figure 4 It is a schematic exploded view of the moving block, positioning rod and positioning member of the cage detection tooling of the present utility model.

[0022] Figure 5 It is for the cage detection tooling of the present utility model Figure 1 The enlarged schematic view of part A.

[0023] Explanation of the reference numerals:

[0024] 1, workbench; 2, driving member; 21, motor; 22, rotating shaft; 23, rotating ring; 24, driving plate; 25, sliding groove; 3, moving member; 31, moving rod; 32, nut; 33, bolt; 34, limiting block; 35, moving block; 36, positioning rod; 361, positioning groove; 37, guide rail; 38, guide groove; 39, positioning member; 391, gear; 392, rack; 393, first baffle; 394, spring; 395, second baffle. Detailed Embodiment

[0025] To make the above-mentioned objects, features and advantages of the present utility model more obvious and understandable, the following will make a detailed description of the specific embodiments of the present utility model with reference to the drawings in the specification.

[0026] Referring to Figures 1-5 , which is the first embodiment of the present utility model, a cage detection tooling is provided. This cage detection tooling includes a workbench 1, a driving member 2 is installed on the surface of the workbench 1, and moving members 3 are installed at the four corners of the driving member 2;

[0027] The driving member 2 includes a motor 21 installed inside the workbench 1. The output end of the motor 21 is fixedly connected to a rotating shaft 22. The top of the rotating shaft 22 is fixedly connected to a rotating ring 23. The outer surface of the rotating ring 23 is fixedly connected with driving plates 24 arranged in an annular array. A sliding groove 25 is formed inside the driving plate 24. The motor 21 is a NEMA 17 stepper motor.

[0028] The moving member 3 includes a moving rod 31 located on the surface of the workbench 1. The moving rod 31 is located at the bottom of the driving plate 24. The top of one end of the moving rod 31 is fixedly connected to a nut 32. The nut 32 is located at the bottom of the sliding groove 25. A bolt 33 is movably connected inside the sliding groove 25. The bottom of the bolt 33 extends to the bottom of the driving plate 24 through the sliding groove 25 and is threadedly connected to the nut 32. The length of the bolt 33 is longer than that of the sliding groove 25, which can prevent it from being immersed in the sliding groove 25 when driving the moving rod 31 through the sliding groove 25. In addition, a retaining ring is fixedly connected to the outer surface of the bolt 33, and the diameter of the retaining ring is larger than that of the sliding groove 25, which can prevent the bolt 33 from being immersed in the sliding groove 25, thereby ensuring the stability of the moving rod 31 during movement.

[0029] The moving member 3 further includes a limiting block 34 fixed on the surface of the workbench 1. The limiting block 34 is sleeved on the surface of the moving rod 31 and is movably sleeved with it. One end of the moving rod 31 and the end far from the nut 32 are fixedly connected to a moving block 35. The top of the moving block 35 is fixedly connected to a positioning rod 36. A positioning groove 361 is formed inside the positioning rod 36. The positioning groove 361 is arranged in an inverted L shape, which can facilitate the positioning of the cage, thus avoiding the use of fixtures, saving costs, and at the same time, the setting of the limiting block 34 can ensure the stability of the moving rod 31 during movement.

[0030] A guide rail 37 is fixedly connected to the surface of the workbench 1 and on one side of the limiting block 34. A guide groove 38 is formed at the bottom of the moving block 35. The guide groove 38 is located on the surface of the guide rail 37 and is movably connected with it. A positioning member 39 is installed inside the moving block 35. The arrangement of the guide groove 38 and the guide rail 37 can limit the moving block 35 and prevent it from shifting during movement.

[0031] The positioning member 39 includes a gear 391 movably connected inside the moving block 35. Rack bars 392 are installed at the top and bottom of the gear 391. The two groups of rack bars 392 are symmetrically arranged. The gear 391 meshes with the rack bars 392. One side of the rack bar 392 is fixedly connected to a first baffle 393. A groove is formed inside the moving block 35 to facilitate the movement of the rack bar 392 and the first baffle 393.

[0032] The positioning member 39 further includes springs 394 installed inside the workbench 1. There are two sets of springs 394. One end of each spring 394 is fixedly connected to the inner side of the workbench 1, and the other end of each spring 394 is fixedly connected to a second baffle 395. The two sets of second baffles 395 are respectively located on both sides of the moving block 35. When the moving rod 31 needs to be driven for use, it can easily contact the first baffle 393, thereby positioning the moving block 35, so that the bolt 33 passes through the sliding groove 25 and is threadedly connected to the corresponding nut 32.

[0033] The inside of the spring 394 is provided with damping.

[0034] When performing a unidirectional tensile test on the cage, the horizontal or vertical gear 391 can be driven to rotate, which drives the two racks 392 and the first baffle 393 to slowly move towards both sides of the moving block 35, so that the first baffle 393 fits with the second baffle 395, and it is positioned by relying on the elastic force of the spring 394. At the same time, the corresponding two bolts 33 are twisted in the reverse direction and removed, so that the driving of the two horizontal or vertical moving rods 31 can be cancelled;

[0035] Subsequently, the cage is sleeved inside the positioning groove 361 inside the two positioning rods 36 whose driving has not been cancelled, and the outside of the cage is located inside the other two positioning rods 36 whose driving has been cancelled. By starting the motor 21 to drive the rotating ring 23 and the driving plate 24 to rotate, the two bolts 33 move inside the sliding groove 25 along the rotation of the driving plate 24, so that the two moving rods 31 move away from each other, and the final data is obtained by observing the degree of its deformation or the shooting of an external camera. In this way, the purpose of unidirectional testing can be achieved;

[0036] Similarly, when performing a bidirectional tensile test on the cage, the above operations are reversed, that is, the bolt 33 is passed through the sliding groove 25 so that its bottom extends to the bottom of the driving plate 24 and is threadedly connected to the corresponding nut 32, and the gear 391 is driven in the reverse direction to drive the two racks 392 to slowly move into the moving block 35, so that the connection between the first baffle 393 and the second baffle 395 is cancelled. The setting of the second baffle 395 and the spring 394 facilitates the connection between the bolt 33 and the nut 32;

[0037] Subsequently, the four groups of moving rods 31 can be connected for the two-way test of the cage. Then, the cage is sleeved inside the positioning grooves 361 inside the four groups of positioning rods 36, and the motor 21 is started to drive the rotating ring 23 and the four groups of driving plates 24 to rotate. The driving plates 24 rotate around the rotating ring 23, causing the bolts 33 to move inside the sliding grooves 25 along the rotation of the driving plates 24, so as to achieve the purpose of the four groups of positioning rods 36 moving synchronously outward. In this way, the two-way tensile test of the cage can be achieved, and the tensile performance of the cage can be comprehensively evaluated to obtain more comprehensive data. At the same time, this method can freely combine the one-way tensile tests of the cage in the horizontal and vertical directions, and can also directly conduct the two-way tensile test on it, thus providing an important reference for the design and manufacture of the product.

[0038] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and they should all be covered within the scope of the claims of the present invention.

Claims

1. A cage inspection tool, comprising a workbench (1), characterized in that: A driving member (2) is installed on the surface of the workbench (1), and moving members (3) are installed at the four corners of the driving member (2); The driving member (2) comprises a motor (21) installed inside the workbench (1); the output end of the motor (21) is fixedly connected to a rotating shaft (22); the top of the rotating shaft (22) is fixedly connected to a rotating ring (23); the outer surface of the rotating ring (23) is fixedly connected to a driving plate (24) in an annular array; and a sliding groove (25) is provided inside the driving plate (24).

2. A retainer detection tool according to claim 1, characterized in that: The moving member (3) comprises a moving rod (31) located on the surface of the workbench (1), the moving rod (31) being located at the bottom of the driving plate (24), a nut (32) being fixedly connected to the top of one end of the moving rod (31), the nut (32) being located at the bottom of the slide groove (25), a bolt (33) being movably connected inside the slide groove (25), the bottom of the bolt (33) extending through the slide groove (25) to the bottom of the driving plate (24) and being threadedly connected to the nut (32).

3. A retainer detection tool according to claim 2, characterized in that: The moving member (3) further comprises a limit block (34) fixed on the surface of the workbench (1); the limit block (34) is sleeved on the surface of the moving rod (31) and movably sleeved therewith; one end of the moving rod (31) and the end away from the nut (32) is fixedly connected with a moving block (35); the top of the moving block (35) is fixedly connected with a positioning rod (36); a positioning groove (361) is provided inside the positioning rod (36); and the positioning groove (361) is arranged in an inverted L shape.

4. A retainer detection tool according to claim 3, characterized in that: A guide rail (37) is fixedly connected to the surface of the workbench (1) and located on one side of the limit block (34); a guide groove (38) is provided at the bottom of the moving block (35); the guide groove (38) is located on the surface of the guide rail (37) and is movably connected thereto; a positioning piece (39) is installed inside the moving block (35).

5. A holder detection tool according to claim 4, characterized in that: The positioning member (39) includes a gear (391) movably connected to the inside of the moving block (35); racks (392) are installed on the top and bottom of the gear (391); two groups of racks (392) are symmetrically arranged; the gear (391) and the racks (392) are meshed with each other; and a first baffle (393) is fixedly connected to one side of the rack (392).

6. A holder detection tool according to claim 5, characterized in that: The positioning member (39) further comprises a spring (394) installed inside the workbench (1), wherein the spring (394) is provided with two groups, one end of the spring (394) is fixedly connected to the inner side of the workbench (1), and the other end of the spring (394) is fixedly connected to a second baffle (395), and the two groups of the second baffles (395) are respectively located on both sides of the moving block (35).

7. A retainer detection tool according to claim 6, characterized in that: The spring (394) is provided with damping inside.

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