CN214749588U

CN214749588U - Silicon nitride ceramic bearing ball contact fatigue life detection device

Info

Publication number: CN214749588U
Application number: CN202120087450.4U
Authority: CN
Inventors: 王天歌
Original assignee: Nanjing Fuchuang Intelligent Manufacturing Technology Co ltd
Current assignee: Nanjing Fuchuang Intelligent Manufacturing Technology Co ltd
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-11-16
Anticipated expiration: 2031-01-13

Abstract

The utility model discloses a silicon nitride ceramic bearing ball contact fatigue life detection device, which comprises a workbench, wherein the upper surface of the workbench is respectively provided with a box body, a motor and a fan, one side of the box body is rotatably connected with a sealing door, the sealing door is locked with the box body through a lock catch, one end of a bolt is all attached to the outside of the bearing, one side of a limiting block is fixedly connected with a supporting block, the inner wall of the box body is symmetrically provided with a limiting plate, one side of the supporting block extends to the position between the limiting plates, the air outlet end of the fan is fixedly sleeved with an air pipe, one end of the air pipe penetrates one side of the box body and extends to the inside, the utility model aims to provide a silicon nitride ceramic bearing ball contact fatigue life detection device, and the service life detection of a ceramic bearing ball is realized through the design of the device so as to better know the product performance of the ceramic bearing ball, is convenient for later use.

Description

Silicon nitride ceramic bearing ball contact fatigue life detection device

Technical Field

The utility model relates to a silicon nitride ceramic bearing ball technical field specifically is a silicon nitride ceramic bearing ball contact fatigue life detection device.

Background

The silicon nitride ceramic ball is a high-temperature sintered precise ceramic in a non-oxidizing atmosphere, has high strength, high wear resistance, high temperature resistance, corrosion resistance, acid and alkali resistance, can be used in seawater for a long time, has good performances of electricity insulation and magnetism insulation, almost does not change in strength and hardness at 800 ℃, has small centrifugal force during rotation, can realize high-speed operation, and has self-lubricating property, can be used in an environment without lubricating medium and high pollution, becomes a ceramic bearing, is a preferred material of a mixed ceramic ball bearing, and has high strength, high toughness, good wear resistance, high temperature resistance, high rigidity, non-permeability and electric insulation at normal temperature, and can be used together with metal if the expansion rate of the zirconia ceramic ball is close to that of metal at 600 ℃.

At present, silicon nitride ceramic balls are basically the first-choice material of ceramic bearings, but in the actual use process, the ceramic bearings are variable and complex in use environment, and whether the silicon nitride ceramic balls work in a dust serious area to influence the service life of the silicon nitride ceramic balls or not leads to indirectly influencing the work of the ceramic bearings, which is an unknown number, so that the silicon nitride ceramic bearing ball contact fatigue life detection device is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a silicon nitride ceramic bearing ball contact fatigue life detection device, through the design of this device, realize detecting the life of ceramic bearing ball to in the better understanding of ceramic bearing ball product performance, the use in the later stage of being convenient for, with the problem of proposing in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a silicon nitride ceramic bearing ball contact fatigue life detection device comprises a workbench, wherein a box body, a motor and a fan are respectively arranged on the upper surface of the workbench, one side of the box body is rotationally connected with a sealing door, the sealing door is locked with the box body through a lock catch, the output shaft end of the motor is fixedly connected with a rotating shaft, one end of the rotating shaft penetrates through one side of the box body and extends to the inside, one end of the rotating shaft in the box body is rotatably connected with a bearing, a limiting block is sleeved outside the bearing in a sliding manner, bolts are arrayed outside the limiting block at equal angles, one end of the bolt is attached to the outside of the bearing, one side of the limiting block is fixedly connected with a supporting block, limiting plates are symmetrically arranged on the inner wall of the box body, one side of the supporting block extends to the position between the limiting plates, the air outlet end of the fan is fixedly sleeved with an air pipe, and one end of the air pipe penetrates through one side of the box body and extends to the inside.

Preferably, one end of the air pipe, which is positioned in the box body, is fixedly communicated with a blowing head, and the blowing head is designed in a rectangular shape.

Preferably, the motor is externally provided with a protection box, and the inner wall of the protection box is provided with sound-absorbing cotton.

Preferably, the bottom of the protection box is fixedly connected with a supporting table, and the bottom of the supporting table is fixedly connected to the upper surface of the workbench.

Preferably, an observation window is arranged on one side of the sealing door, and four corners of the observation window are respectively provided with a fillet.

Preferably, the hinge is symmetrically and fixedly connected to one side of the sealing door, and the sealing door is rotatably connected to one side of the box body through the hinge.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a design of workstation, the manual work is put into the dust that needs the test in to the box, closes the sealing door, through the hasp closure, blows the dust through fan, tuber pipe and the cooperation of the head of blowing, rotates through motor electric rotating shaft and bearing, realizes detecting the silicon nitride ceramic bearing ball real time life in bearing and the bearing, judges whether the bearing that is located silicon nitride ceramic bearing ball in the dust space influences life.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic sectional view of the front view of the present invention;

fig. 3 is a schematic diagram of the side-view enlarged structure of the bearing of the present invention.

In the figure: 1. a work table; 2. a box body; 3. a motor; 4. a fan; 5. an air duct; 6. a blowing head; 7. a rotating shaft; 8. a limiting plate; 9. a limiting block; 10. a bolt; 11. a support block; 12. a protection box; 13. a support table; 14. a sealing door; 15. locking; 16. and a bearing.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a silicon nitride ceramic bearing ball contact fatigue life detection device comprises a workbench 1, the device is supported by the workbench 1, a box body 2, a motor 3 and a fan 4 are respectively arranged on the upper surface of the workbench 1, a sealing door 14 is rotatably connected to one side of the box body 2, the sealing door 14 is locked with the box body 2 through a lock catch 15, an observation window is arranged on one side of the sealing door 14, the four corners of the observation window are all provided with round corners, hinges are symmetrically and fixedly connected to one side of the sealing door 14, the sealing door 14 is rotatably connected to one side of the box body 2 through the hinges, a rotating shaft 7 and a bearing 16 are driven to rotate through the motor 3, the device is sealed through the sealing door 14, dust emission is prevented, detection data are influenced, dust required during detection is manually put into the box body 2 through the lock catch 15, the box body 2 and the sealing door 14, and real-time conditions in the box body 2 can be conveniently observed through the observation window;

the output shaft end of the motor 3 is fixedly connected with a rotating shaft 7, a protection box 12 is arranged outside the motor 3, sound-absorbing cotton is arranged on the inner wall of the protection box 12, a supporting table 13 is fixedly connected to the bottom of the protection box 12, the bottom of the supporting table 13 is fixedly connected to the upper surface of the workbench 1, one end of the rotating shaft 7 penetrates through one side of the box body 2 and extends into the box body, one end of the rotating shaft 7, which is positioned in the box body 2, is rotatably connected with a bearing 16, the motor 3 is electrically connected with an external power supply, the rotating shaft 7 is driven to rotate by the motor 3, the bearing 16 is driven to rotate by the rotating shaft 7, the bearing 16 is a ceramic bearing, and a bearing ball of the bearing 16 is a silicon nitride ceramic bearing ball;

stopper 9 has been cup jointed in the outside slip of bearing 16, stopper 9 outside equal angle array has bolt 10, bolt 10 one end all with the outside laminating of bearing 16, stopper 9 one side fixedly connected with supporting

shoe

11, 2 inner wall symmetries of box are provided with limiting plate 8, supporting shoe 11 one side extends to between the

limiting plate

8, 4 air-out ends of fan are fixed to be cup jointed tuber pipe 5, tuber pipe 5 one end runs through in 2 one side of box and extends to inside, the fixed intercommunication of one end that tuber pipe 5 is located box 2 has blowing head 6, blowing head 6 is the rectangle design, it is spacing to supporting shoe 11 in real time through two sets of limiting plates 8, it is indirect spacing to stopper 9 through supporting shoe 11 and stopper 9 fixed connection, lock bearing 16 through stopper 9 and three sets of bolt 10, when preventing the test, bearing 16 outer lane rotates, improve the test accuracy.

The working principle is as follows: when in use, the sealing door 14 is opened manually, dust required by the test is put into the box body 2, the sealing door 14 is closed, the blower 4 is started through locking of the lock catch 15, dust in the box body 2 is blown up through the air pipe 5 and the blowing head 6, the bearing 16 is positioned in a dust space, the motor 3 is started, the motor 3 drives the rotating shaft 7 to rotate to drive the inner ring of the bearing 16 to rotate, the outer ring of the bearing 16 is limited and locked by the matching of the limiting block 9 and the three groups of bolts 10, the outer ring of the bearing 16 is prevented from rotating during testing, the limit of the limit block 9 is realized by the cooperation of the two groups of limit plates 8 and the support block 11, the limit of the outer ring of the bearing 16 is indirectly realized, timely through the timer, look over the inside condition of box 2 through the observation window, whether real-time recording is located bearing 16 in the dust space and influences life, 16 ceramic bearings on bearing, the bearing ball of bearing 16 is silicon nitride ceramic bearing ball.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a silicon nitride ceramic bearing ball contact fatigue life detection device, includes workstation (1), its characterized in that: the upper surface of the workbench (1) is respectively provided with a box body (2), a motor (3) and a fan (4), one side of the box body (2) is rotatably connected with a sealing door (14), the sealing door (14) is locked with the box body (2) through a lock catch (15), an output shaft end of the motor (3) is fixedly connected with a rotating shaft (7), one end of the rotating shaft (7) penetrates through one side of the box body (2) and extends to the inside, one end of the rotating shaft (7) positioned in the box body (2) is rotatably connected with a bearing (16), a limiting block (9) is sleeved outside the bearing (16) in a sliding manner, bolts (10) are arrayed outside the limiting block (9) at equal angles, one end of each bolt (10) is attached to the outside of the bearing (16), one side of each limiting block (9) is fixedly connected with a supporting block (11), and limiting plates (8) are symmetrically arranged on the inner wall of the box body (2), supporting shoe (11) one side extends to between limiting plate (8), fan (4) air-out end is fixed to be cup jointed tuber pipe (5), tuber pipe (5) one end runs through in box (2) one side and extends to inside.

2. The device for detecting the contact fatigue life of the silicon nitride ceramic bearing ball according to claim 1, wherein: the air pipe (5) is fixedly communicated with an air blowing head (6) at one end in the box body (2), and the air blowing head (6) is designed in a rectangular shape.

3. The device for detecting the contact fatigue life of the silicon nitride ceramic bearing ball according to claim 1, wherein: the motor (3) outside is provided with guard box (12), guard box (12) inner wall is provided with inhales the sound cotton.

4. The device for detecting the contact fatigue life of a silicon nitride ceramic bearing ball according to claim 3, wherein: the bottom of the protection box (12) is fixedly connected with a supporting table (13), and the bottom of the supporting table (13) is fixedly connected to the upper surface of the workbench (1).

5. The device for detecting the contact fatigue life of the silicon nitride ceramic bearing ball according to claim 1, wherein: an observation window is arranged on one side of the sealing door (14), and four corners of the observation window are respectively provided with a round angle.

6. The device for detecting the contact fatigue life of a silicon nitride ceramic bearing ball according to claim 2, wherein: the hinge is symmetrically and fixedly connected to one side of the sealing door (14), and the sealing door (14) is rotatably connected to one side of the box body (2) through the hinge.