CN216621737U

CN216621737U - Deep groove ball bearing life test device

Info

Publication number: CN216621737U
Application number: CN202122599748.6U
Authority: CN
Inventors: 庞书申; 杨庆巷; 庞诗海; 徐玉亮
Original assignee: Shandong Guodu Bearing Manufacturing Co ltd
Current assignee: Shandong Guodu Bearing Manufacturing Co ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-05-27
Anticipated expiration: 2031-10-27

Abstract

The utility model discloses a deep groove ball bearing service life testing device which comprises a top cover, a sleeve, a clamping sleeve ring, a testing box and an inner sliding sleeve, wherein telescopic rods are fixed on the upper side and the lower side of the inside of the testing box, the outer ends of the telescopic rods penetrate through the testing box and then are fixed on the top cover, a pressing ring is fixed on the inner side of an opening of the top cover, a rotary table is rotatably installed at an opening on one side of the testing box, a driving box is fixed in the middle of the bottom end of the inside of the testing box, an output shaft of the driving box is connected with the rotary table, the sleeve is fixed in the middle of the outer side of the rotary table, sliding grooves are formed in an annular array on the outer side of the sleeve and are connected with the inside of the sleeve, a partition plate is fixed at one end of the inside of the sleeve, a rotating shaft and a screw rod are rotatably installed on two sides of the partition plate respectively, the inner sliding sleeve is slidably installed in the sleeve, and the clamping sleeve is sleeved on the sleeve. The utility model has the advantages of simple and convenient bearing loading, effective fixation of bearings with different widths and diversified synchronous detection.

Description

Deep groove ball bearing life test device

Technical Field

The utility model relates to the technical field of testing devices, in particular to a deep groove ball bearing service life testing device.

Background

The original single-row radial ball bearing of deep groove ball bearing is one of the most widely used rolling bearings. It features small friction resistance and high rotation speed, and can be used for parts bearing radial load or combined load acted simultaneously in radial and axial directions, and also for parts bearing axial load, such as small power motor, automobile and tractor gear box, machine tool gear box, general machine and tool. The bearing test is an indispensable and important verification process in the design and manufacturing process of the test bearing, the test device is installed on the bearing service life tester, the normal rotating speed, axial load, radial load, environment temperature and other actual working conditions of the test bearing are given, and the running state and the service life of the test bearing are tested.

When the existing test device carries out bearing carrying, the operation is inconvenient, manual adjustment is needed, the operation is complicated, and the bearings with different widths cannot be effectively fixed; when the existing test device is used for detection, most bearings are detected under specific conditions, such as operation detection under radial load, cold temperature or hot temperature, synchronous detection under various conditions cannot be carried out, and the practicability is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a deep groove ball bearing service life testing device which has the advantages of simple and convenient bearing loading, capability of effectively fixing bearings with different widths and carrying out diversified synchronous detection, and solves the problems of inconvenience in loading and fixing and low detection efficiency of the conventional equipment.

In order to achieve the purpose, the utility model provides the following technical scheme: a deep groove ball bearing service life testing device comprises a top cover, a sleeve, a clamping ring, a test box and an inner sliding sleeve, wherein telescopic rods are fixed on the upper side and the lower side of the inside of the test box, the outer ends of the telescopic rods penetrate through the test box and then are fixed on the top cover, a pressing ring is fixed on the inner side of the opening of the top cover, a rotary table is rotatably installed at the opening of one side of the test box, a driving box is fixed at the middle of the bottom end of the inside of the test box and is connected with the rotary table of an output shaft of the driving box, the sleeve is fixed at the middle of the outer side of the rotary table, a sliding groove is formed in the annular array of the outer side of the sleeve and is connected with the inside of the sleeve, a partition plate is fixed at one end of the inside of the sleeve, a rotating shaft and a screw rod are respectively rotatably installed on two sides of the partition plate, the inner sliding sleeve is slidably installed in the sleeve, the clamping ring is sleeved on the sleeve, and movable blocks are distributed on the annular array of the outer end of the sleeve, and a push block is fixed in the middle of the rotating shaft.

Preferably, the spray heads are embedded into the upper side and the lower side in the top cover, the two spray heads are respectively connected with the inner rods of the corresponding telescopic rods, and the inner rods of the telescopic rods are designed to be hollow.

Preferably, the sleeve is matched with the middle opening of the top cover, an electrical interface is embedded in the outer end of the sleeve, and the movable block is matched with the jacket ring.

Preferably, the inside slidable mounting of spout has the gangbar, the outer end of gangbar is fixed in the clamp ring inboard, and the inner of gangbar is fixed on the inner sliding sleeve.

Preferably, the side groove has been seted up to telescopic outer end annular array, and slidable mounting has the movable block in the side groove, the lower extreme of movable block is equipped with the inclined plane, and the inclined plane of movable block and the inclined plane looks adaptation of ejector pad.

Preferably, the upper end and the lower end of the outer side of the test box are respectively provided with an external connecting pipe in a penetrating manner, and the inner ends of the two external connecting pipes are respectively connected with the inner ends of the inner rods of the corresponding telescopic rods.

Compared with the prior art, the utility model has the following beneficial effects: the device is arranged in a detection device, an external power supply supplies power, a bearing is sleeved outside a sleeve and positioned between a movable block and a clamping ring, a power line is connected with an electrical interface, two motors at two ends in the sleeve are started through an external control device, the two motors respectively drive a rotating shaft and a lead screw, the rotating shaft drives a push block to rotate, the inclined plane of the push block extrudes the inclined plane at the lower end of the movable block to enable the movable block to ascend, the lead screw drives an inner sliding sleeve through threads, the inner sliding sleeve drives the clamping ring to displace through a linkage rod and then extrude the inner ring of the bearing, the inner ring is fixed through the movable block and the clamping ring, the power line of the electrical interface is disconnected after adjustment is finished, an electric telescopic rod is started, an inner rod of the telescopic rod drives a top cover to move, a compression ring inside the top cover extrudes the outer ring of the bearing to realize fixation, different loading forces are generated by adjusting different extrusion forces, the motors in a driving box are started to drive a turntable, the sleeve and the inner ring of the bearing are rotated, the hot air current that two external pipe outer ends are connected at this moment pours into the pole in the hollow telescopic link respectively with cold and hot air with cold air current leading-in equipment into, and the air current sprays the bearing through corresponding the shower nozzle, through the inside detection device of test equipment to bearing real-time supervision, this device is easy and simple to handle, can realize loading through the design of being convenient for fixedly to the bearing of different width, can carry out the data test of different conditions in step simultaneously, raises the efficiency.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the external structure of the present invention;

FIG. 3 is a schematic view of the sleeve structure of the present invention;

fig. 4 is a schematic view of the push block structure of the present invention.

In the figure: 1. a top cover; 2. a spray head; 3. pressing a ring; 4. an electrical interface; 5. a sleeve; 6. a movable block; 7. a chute; 8. a collar; 9. a turntable; 10. a drive box; 11. a test chamber; 12. a telescopic rod; 13. an external connection pipe; 14. a rotating shaft; 15. a push block; 16. a partition plate; 17. an inner sliding sleeve; 18. a screw rod; 19. a linkage rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides an embodiment: the utility model provides a deep groove ball bearing life test device, including top cap 1, the sleeve 5, the lantern ring 8 presss from both sides, proof box 11 and inner sliding sleeve 17, the inside upper and lower side of proof box 11 all is fixed with telescopic link 12, and the outer end of telescopic link 12 runs through proof box 11 after-fixing on top cap 1, top cap 1's opening part inboard is fixed with clamping ring 3, shower nozzle 2 is installed to the equal embedding of downside on top cap 1's the inside, and two shower nozzles 2 connect the interior pole that corresponds telescopic link 12 respectively, the interior pole of telescopic link 12 is the cavity design, one side opening part of proof box 11 rotates installs carousel 9, department is fixed with drive box 10 in the middle of the inside bottom of proof box 11, and the output shaft carousel 9 of drive box 10, sleeve 5 and top cap 1's middle opening part looks adaptation, electric interface 4 is installed in sleeve 5's outer end embedding,

movable block

6 and 8 looks adaptations of lantern ring.

Sleeve 5 is fixed in the middle of the outside of carousel 9, spout 7 has been seted up to the outside annular array of sleeve 5, and inside spout 7 connects sleeve 5, the inside slidable mounting of spout 7 has gangbar 19, the outer end of gangbar 19 is fixed at the lantern ring 8 inboard, and the inner of gangbar 19 is fixed on inner sliding sleeve 17, the inside one end of sleeve 5 is fixed with baffle 16, and the both sides of baffle 16 rotate respectively and install pivot 14 and lead screw 18, inner sliding sleeve 17 slidable mounting is in sleeve 5, the lantern ring 8 cup joints on sleeve 5, the outer end annular array of sleeve 5 distributes and has movable block 6, the side channel has been seted up to the outer end annular array of sleeve 5, and slidable mounting has movable block 6 in the side channel, the lower extreme of movable block 6 is equipped with the inclined plane, and the inclined plane of movable block 6 and the inclined plane looks adaptation of ejector pad 15, the centre department of pivot 14 is fixed with ejector pad 15.

The upper end and the lower end of the outer side of the test box 11 are all provided with outer connecting pipes 13 in a penetrating way, the inner ends of the two outer connecting pipes 13 are respectively connected with the inner rod of the corresponding telescopic rod 12, the device is arranged in a detection device, an external power supply supplies power, a bearing is sleeved on the outer side of the sleeve 5 and positioned between the movable block 6 and the jacket ring 8, a power line is connected with an electrical interface 4, two motors at two ends in the sleeve 5 are started through an external control device, the two motors respectively drive a rotating shaft 14 and a lead screw 18, the rotating shaft 14 drives a push block 15 to rotate, the inclined plane of the lower end of the movable block 6 is extruded by the inclined plane of the push block 15 to lift the inclined plane of the lower end of the movable block 6, the lead screw 18 drives an inner sliding sleeve 17 in a threaded way, the inner sliding sleeve 17 drives the jacket ring 8 to displace through a linkage rod 19 and then extrudes the inner ring of the bearing, the inner ring is fixed through the movable block 6 and the jacket ring 8, the power line of the electrical interface 4 is disconnected after the adjustment is finished, the electric telescopic rod 12 is started, the inner rod of the telescopic rod 12 drives the top cover 1 to move, the inboard clamping ring 3 extrusion bearing outer lane of top cap 1 realizes fixedly, through adjusting the different loading power that produces of extrusion force, start motor drive carousel 9 and rotate in drive box 10, carousel 9 drives sleeve 5 and bearing inner race and rotates, two hot air flows of connecting outer 13 outer ends of being taked outside this moment and cold air current leading-in equipment pour into the pole in hollow telescopic link 12 respectively with cold and hot air, the air current sprays the bearing through corresponding shower nozzle 2, through the inside detection device of test equipment to bearing real-time supervision, this device is easy and simple to handle, can realize loading to the bearing of different width through the design of being convenient for to fix, the data test of the different conditions can be carried out in step simultaneously, the efficiency is improved.

The working principle is as follows: in the working process of the utility model, the device is arranged in a detection device, an external power supply supplies power, a bearing is sleeved outside a sleeve 5 and positioned between a movable block 6 and a clamping ring 8, a power line is connected with an electric interface 4, motors at two ends in the sleeve 5 are started through an external control device, the two motors respectively drive a rotating shaft 14 and a screw rod 18, the rotating shaft 14 drives a push block 15 to rotate, the inclined plane of the lower end of the movable block 6 is extruded by the inclined plane of the push block 15 to lift the inclined plane, the screw rod 18 drives an inner sliding sleeve 17 through threads, the inner sliding sleeve 17 drives the clamping ring 8 to displace through a linkage rod 19 and then extrudes the inner ring of the bearing, the inner ring is fixed through the movable block 6 and the clamping ring 8, the power line of the electric interface 4 is disconnected after the adjustment is finished, an electric telescopic rod 12 is started, an outer rod of the telescopic rod 12 drives a top cover 1 to move, a press ring 3 at the inner side of the top cover 1 to extrude the outer ring of the bearing to realize the fixation, different load forces are generated through the different extrusion forces, a motor in a driving box 10 is started to drive a rotary table 9 to rotate, the rotary table 9 drives a sleeve 5 and a bearing inner ring to rotate, at the moment, hot air and cold air flow guiding devices connected with the outer ends of two external connecting pipes 13 respectively inject cold and hot air into hollow telescopic rod 12 outer rods, the air flow sprays the bearings through corresponding spray heads 2, and the bearings are monitored in real time through a detection device in the testing equipment. The above is the working principle of the present invention.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a deep groove ball bearing life test device, includes top cap (1), sleeve (5), clamping ring (8), proof box (11) and inner sliding sleeve (17), its characterized in that: the test box is characterized in that telescopic rods (12) are fixed on the upper side and the lower side in the test box (11), the outer ends of the telescopic rods (12) penetrate through the test box (11) and then are fixed on the top cover (1), a pressing ring (3) is fixed on the inner side of an opening of the top cover (1), a turntable (9) is installed at an opening of one side of the test box (11) in a rotating mode, a driving box (10) is fixed at the middle of the bottom end in the test box (11), an output shaft of the driving box (10) is connected with the turntable (9), the sleeve (5) is fixed at the middle of the outer side of the turntable (9), a sliding groove (7) is formed in the annular array of the outer side of the sleeve (5), the sliding groove (7) is connected with the inside of the sleeve (5), a partition plate (16) is fixed at one end of the inside of the sleeve (5), a rotating shaft (14) and a screw rod (18) are respectively installed on two sides of the partition plate (16), and the inner sliding sleeve (17) is installed in the sleeve (5) in a sliding mode, the clamping ring (8) is sleeved on the sleeve (5), movable blocks (6) are distributed at the outer end of the sleeve (5) in an annular array mode, and a push block (15) is fixed in the middle of the rotating shaft (14).

2. The deep groove ball bearing life test device of claim 1, characterized in that: the spray heads (2) are installed on the upper side and the lower side of the interior of the top cover (1) in an embedded mode, the two spray heads (2) are connected with the inner rod of the corresponding telescopic rod (12) respectively, and the inner rod of the telescopic rod (12) is designed in a hollow mode.

3. The deep groove ball bearing life test device of claim 1, characterized in that: the sleeve (5) is matched with the middle opening of the top cover (1), an electric interface (4) is installed at the outer end of the sleeve (5) in an embedded mode, and the movable block (6) is matched with the jacket ring (8).

4. The deep groove ball bearing life test device of claim 1, characterized in that: the inside slidable mounting of spout (7) has linkage rod (19), the outer end of linkage rod (19) is fixed in the lantern ring of pressing from both sides (8) inboard, and the inner of linkage rod (19) is fixed on inner sliding sleeve (17).

5. The deep groove ball bearing life test device of claim 1, characterized in that: the side groove has been seted up to the outer end annular array of sleeve (5), and slidable mounting has movable block (6) in the side groove, the lower extreme of movable block (6) is equipped with the inclined plane, and the inclined plane of movable block (6) and the inclined plane looks adaptation of ejector pad (15).

6. The deep groove ball bearing life test device of claim 1, characterized in that: the upper end and the lower end of the outer side of the test box (11) are respectively provided with an outer connecting pipe (13) in a penetrating mode, and the inner ends of the two outer connecting pipes (13) are respectively connected with the inner ends of the inner rods of the corresponding telescopic rods (12).