CN219842148U - New energy automobile silicon nitride ceramic bearing ball contact fatigue life detection mechanism - Google Patents
New energy automobile silicon nitride ceramic bearing ball contact fatigue life detection mechanism Download PDFInfo
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- CN219842148U CN219842148U CN202320422967.3U CN202320422967U CN219842148U CN 219842148 U CN219842148 U CN 219842148U CN 202320422967 U CN202320422967 U CN 202320422967U CN 219842148 U CN219842148 U CN 219842148U
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- 239000000919 ceramic Substances 0.000 title claims abstract description 31
- 229910052581 Si3N4 Inorganic materials 0.000 title claims abstract description 25
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 238000001514 detection method Methods 0.000 title claims abstract description 24
- 230000007246 mechanism Effects 0.000 title claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims description 14
- 238000007664 blowing Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 7
- 238000012360 testing method Methods 0.000 abstract description 16
- 239000000428 dust Substances 0.000 abstract description 10
- 239000002585 base Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Rolling Contact Bearings (AREA)
Abstract
The utility model relates to a new energy automobile silicon nitride ceramic bearing ball contact fatigue life detection mechanism which comprises a base, wherein the top of the base is fixedly connected with a box body, and the right side of the box body is fixedly connected with a mounting shell. According to the novel energy automobile silicon nitride ceramic bearing ball contact fatigue life detection mechanism, a first motor is started to drive a rotating shaft to rotate in a box body to drive a bearing inner ring to rotate during testing, and simultaneously two second motors are started to drive two threaded rods to rotate in two fixed sleeves, so that the two threaded sleeves relatively move under the sliding connection of a limiting block and a guide groove plate, two clamping plates connected with a connecting block limit and lock a bearing outer ring, and an anti-slip pad prevents the bearing outer ring from rotating during testing; finally, through the timing of the timer, the condition in the box body is checked through the observation window, and whether the bearing positioned in the dust space influences the service life or not is recorded in real time.
Description
Technical Field
The utility model relates to the technical field of silicon nitride ceramic bearing balls, in particular to a new energy automobile silicon nitride ceramic bearing ball contact fatigue life detection mechanism.
Background
The new energy vehicle is an automobile which adopts unconventional vehicle fuel as a power source (or adopts conventional vehicle fuel and a novel vehicle-mounted power device) and integrates the advanced technology in the aspects of power control and driving of the vehicle, and the formed technical principle is advanced, and the automobile has a new technology and a new structure.
The silicon nitride ceramic ball is a precise ceramic sintered at high temperature in a non-oxidizing atmosphere, has high strength, high wear resistance, high temperature resistance, corrosion resistance, acid resistance, alkali resistance, long-term use in seawater, good performance of insulated magnetism, almost unchanged strength and hardness at 800 ℃, small centrifugal force during rotation, high-speed operation can be realized, and self-lubricating property, can be used in an environment without high pollution of lubricating medium, and becomes a preferred material of a ceramic bearing, a mixed ceramic ball bearing, a zirconia ceramic ball, has high strength and high toughness, good wear resistance, high temperature resistance, corrosion resistance, high rigidity, no magnetism and electric insulation at normal temperature, and the zirconia ceramic ball has strength and thermal expansion rate close to the expansion rate of metal at 600 ℃ and can be used in combination with the metal.
According to the device for detecting the contact fatigue life of the silicon nitride ceramic bearing ball, disclosed in Chinese patent CN214749588U, the limit locking is carried out on the outer ring of the bearing 16 through the matching of the limit block 9 and the three groups of bolts 10, so that the outer ring of the bearing 16 rotates during the test prevention, and the limit of the limit block 9 is indirectly realized through the matching of the two groups of limit plates 8 and the support blocks 11.
The device is fixed only by three bolts when fixing the bearing, so that an external tool is needed to be used for twisting when fixing, the device is inconvenient in test, and the bolts are easy to rust and easy to be blocked after long-time use, so that the working efficiency in test is affected. Therefore, a new energy automobile silicon nitride ceramic bearing ball contact fatigue life detection mechanism is provided to solve the problems.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a novel energy automobile silicon nitride ceramic bearing ball contact fatigue life detection mechanism which has the advantages of convenient clamping, firm fixation, difficult loosening and the like, and solves the problem that an external tool is required to be used for screwing in the clamping process of the prior device when the bearing is tested by bolt fixation.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a new energy automobile silicon nitride ceramic bearing ball contact fatigue life detection mechanism, includes the base, the top fixedly connected with box of base, the right side fixedly connected with installation shell of box, the inside fixedly connected with first motor of installation shell, the one end fixedly connected with transmission shaft of the output shaft of first motor, the surface rotation of transmission shaft is connected with the bearing, the top of box is provided with clamping subassembly;
the clamping assembly comprises a supporting plate, the front fixedly connected with box body of backup pad, the equal fixedly connected with fixed sleeve in top and bottom of box body, two the equal fixedly connected with protection casing of one end that is separated from to the fixed sleeve, two the equal fixedly connected with second motor in inside of protection casing, two the equal fixedly connected with threaded rod of the relative one end of second motor, two the equal threaded connection of surface of threaded rod has a screw sleeve, two the equal fixedly connected with stopper of screw sleeve's surface, two the equal fixedly connected with guide slot board of fixed sleeve's inside, the equal fixedly connected with connecting block of the equal fixedly connected with of one side of stopper, the one end fixedly connected with clamping board of stopper is kept away from to the connecting block, the internal surface fixedly connected with slipmat of clamping board.
Further, the top fixedly connected with hair-dryer body of base, the one end fixedly connected with connecting pipe of hair-dryer body tuber pipe, the exit of connecting pipe is provided with the head of blowing, the head of blowing is located the inside of box.
Further, the front of box articulates there is the box door, the surface fixedly connected with door handle of box door, the drive shaft hole has been seted up to the inside of installation shell, the drive shaft hole extends to the inside of box, the transmission shaft passes through the drive shaft hole and rotates in the inside of box.
Further, the shape of backup pad is rectangular shaped plate, the detection cavity has been seted up to the inside of box body, the bearing is located the inside of box body through detecting the cavity.
Further, two fixed telescopic shape is circular sleeve, two fixed telescopic is inside has all been seted up the rotation hole, two the threaded rod is all rotatory in two fixed telescopic inside through the rotation hole.
Further, two the equal fixedly connected with limiting plate of threaded rod relative one end, the quantity of stopper is four, and just respectively with every two be a set of symmetric distribution in two screw sleeve's left and right sides, the quantity of direction frid is four, and respectively with every two be a set of symmetric distribution in two fixed sleeve's inside, four the stopper all with four direction frid sliding connection.
Further, the number of the connecting blocks is four, and the connecting blocks are symmetrically distributed on the surfaces of the four limiting blocks in a group of every two, and the shape of each connecting block is a rectangular block.
Further, the number of the clamping plates is two, the shapes of the two clamping plates are arc-shaped plates, and the shapes of the two anti-skid pads are arc-shaped pads.
Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:
1. according to the novel energy automobile silicon nitride ceramic bearing ball contact fatigue life detection mechanism, when in testing, the box door is opened, dust required by testing is put into the box, the box door is closed, the blower is started to blow the dust in the box through the connecting pipe and the blowing head, and the bearing is located in a dust space; starting the first motor to drive the rotating shaft to rotate in the box body to drive the bearing inner ring to rotate, simultaneously starting the two second motors to drive the two threaded rods to rotate in the two fixed sleeves, enabling the two threaded sleeves to move relatively under the sliding connection of the limiting block and the guide groove plate, limiting and locking the bearing outer ring by the two clamping plates connected with the connecting block, and preventing the bearing outer ring from rotating by the anti-skid pad during testing; finally, through the timing of the timer, the condition in the box body is checked through the observation window, and whether the bearing positioned in the dust space influences the service life or not is recorded in real time.
2. According to the novel energy automobile silicon nitride ceramic bearing ball contact fatigue life detection mechanism, the installation shell is arranged on the outer surface of the first motor, so that the personal safety of a worker can be ensured when the first motor rotates and drives, and the protection effect can be achieved when accidents occur. Through set up the slipmat on the surface of clamping board for the slipmat can avoid appearing skidding's condition to take place as far as possible when pressing from both sides tight fixed, guarantees the testing environment of bearing when the test safe and reliable more.
Drawings
FIG. 1 is a front cross-sectional view of the structure of the present utility model;
FIG. 2 is a partial left cross-sectional view of the structure of the present utility model;
fig. 3 is a partial top view of the structure of the present utility model.
In the figure: 1 base, 2 box, 3 drive shaft hole, 4 installation shell, 5 first motor, 6 transmission shaft, 7 bearing, 8 backup pad, 9 box body, 10 fixed sleeve, 11 second motor, 12 threaded rod, 13 screw thread sleeve, 14 stopper, 15 guide slot board, 16 connecting block, 17 dress splint, 18 slipmat.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one: referring to fig. 1-3, a new energy automobile silicon nitride ceramic bearing ball contact fatigue life detection mechanism in this embodiment includes a base 1, a box 2 fixedly connected to the top of the base 1, a box door hinged to the front surface of the box 2, and a door handle fixedly connected to the outer surface of the box door.
The right side of the box body 2 is fixedly connected with a mounting shell 4, a transmission shaft hole 3 is formed in the mounting shell 4, the transmission shaft hole 3 extends to the inside of the box body 2, a first motor 5 is fixedly connected in the mounting shell 4, one end of an output shaft of the first motor 5 is fixedly connected with a transmission shaft 6, the outer surface of the transmission shaft 6 is rotationally connected with a bearing 7, and the transmission shaft 6 rotates in the box body 2 through the transmission shaft hole 3; the top of the box body 2 is provided with a clamping assembly.
The clamping assembly comprises a supporting plate 8, the shape of the supporting plate 8 is rectangular, the front surface of the supporting plate 8 is fixedly connected with a box body 9, a detection cavity is formed in the box body 9, and a bearing 7 is located in the box body 9 through the detection cavity.
The top and the equal fixedly connected with fixed sleeve 10 of bottom of box body 9, the shape of two fixed sleeve 10 is circular sleeve, the rotation hole has all been seted up to the inside of two fixed sleeve 10, two fixed sleeve 10 are from the equal fixedly connected with protection casing of one end, the equal fixedly connected with second motor 11 of inside of two protection casings, the equal fixedly connected with threaded rod 12 of two relative one ends of second motor 11, two threaded rod 12 are all rotatory at the inside of two fixed sleeve 10 through the rotation hole, the equal fixedly connected with limiting plate of two relative one ends of threaded rod 12.
The outer surfaces of the two threaded rods 12 are in threaded connection with threaded sleeves 13, limiting blocks 14 are fixedly connected to the outer surfaces of the two threaded sleeves 13, the number of the limiting blocks 14 is four, and the limiting blocks are symmetrically distributed on the left side and the right side of the two threaded sleeves 13 in a group of every two.
The inside of two fixed sleeve 10 is all fixedly connected with direction frid 15, and the quantity of direction frid 15 is four, and just respectively with every two be a set of symmetric distribution in the inside of two fixed sleeve 10, four stopper 14 all with four direction frid 15 sliding connection.
The opposite side of the limiting block 14 is fixedly connected with connecting blocks 16, the number of the connecting blocks 16 is four, the connecting blocks 16 are symmetrically distributed on the surfaces of the four limiting blocks 14 in a group of every two, and the shape of each connecting block 16 is a rectangular block.
One end of the connecting block 16, which is far away from the limiting block 14, is fixedly connected with clamping plates 17, the number of the clamping plates 17 is two, the shapes of the two clamping plates 17 are arc-shaped plates, the inner surface of the clamping plate 17 is fixedly connected with anti-slip pads 18, and the shapes of the two anti-slip pads 18 are arc-shaped pads.
Wherein, the top fixedly connected with hair-dryer body of base 1, the one end fixedly connected with connecting pipe of hair-dryer body tuber pipe, the exit of connecting pipe is provided with the head of blowing, and the head of blowing is located the inside of box 2, and above-mentioned this equipment is current equipment.
In this embodiment, through setting up installation shell 4 at the surface of first motor 5 for first motor 5 can guarantee staff's personal safety when rotatory transmission, can play the effect of protection when the unexpected condition takes place.
In this embodiment, by arranging the anti-slip pad 18 on the surface of the clamping plate 17, the anti-slip pad 18 can avoid slipping as much as possible during clamping and fixing, and the testing environment of the bearing 7 during testing is ensured to be safer and more reliable.
In this embodiment, the silicon nitride ceramic bearing ball is used in a new energy automobile, and the device is used in a test bearing, the bearing 7 is a ceramic bearing, and the bearing ball of the bearing 7 is a silicon nitride ceramic bearing ball.
Embodiment two: referring to fig. 1-2, on the basis of the first embodiment, the shape of the box 9 may also be a circular box, so that when the inner ring of the bearing 7 rotates to drive dust to fly, the curved inner wall can further ensure that personnel cannot be injured when the device is in an accident.
The working principle of the embodiment is as follows:
according to the novel energy automobile silicon nitride ceramic bearing ball contact fatigue life detection mechanism, when in testing, the box door is opened, dust required by testing is put into the box 2, then the box door is closed, the blower is started to blow the dust in the box 2 through the connecting pipe and the blower head, and the bearing 7 is located in a dust space; starting the first motor 5 to drive the rotating shaft 6 to rotate in the box body 2 to drive the inner ring of the bearing 7 to rotate, simultaneously starting the two second motors 11 to drive the two threaded rods 12 to rotate in the two fixed sleeves 10, enabling the two threaded sleeves 13 to relatively move under the sliding connection of the limiting block 14 and the guide groove plate 15, limiting and locking the outer ring of the bearing 7 by the two clamping plates 17 connected with the connecting block 16, and preventing the outer ring of the bearing 7 from rotating during testing by the anti-slip pad 18; finally, through the timing of the timer, the inside condition of the box body 2 is checked through the observation window, and whether the service life of the bearing 7 positioned in the dust space is influenced can be recorded in real time.
It should be noted that standard parts used in the application can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawing, the specific connection modes of the parts adopt mature bolts, rivets, welding and the like in the prior art, and the machinery, the parts and the equipment adopt the conventional models in the prior art; in addition, the circuit connection is in a conventional connection manner in the prior art, and details not described in detail in this specification belong to the prior art known to those skilled in the art.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
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 principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a new energy automobile silicon nitride ceramic bearing ball contact fatigue life detection mechanism, includes base (1), its characterized in that: the novel electric power box comprises a base (1), and is characterized in that the top of the base (1) is fixedly connected with a box body (2), the right side of the box body (2) is fixedly connected with a mounting shell (4), the inside of the mounting shell (4) is fixedly connected with a first motor (5), one end of an output shaft of the first motor (5) is fixedly connected with a transmission shaft (6), the outer surface of the transmission shaft (6) is rotationally connected with a bearing (7), and the top of the box body (2) is provided with a clamping assembly;
clamping subassembly includes backup pad (8), the positive fixedly connected with box body (9) of backup pad (8), the equal fixedly connected with fixed sleeve (10) in top and bottom of box body (9), two fixed sleeve (10) are from equal fixedly connected with protection casing of one end, two equal fixedly connected with second motor (11) in inside of protection casing, two equal fixedly connected with threaded rod (12) of the equal fixedly connected with of one end opposite to second motor (11), two equal threaded connection of surface of threaded rod (12) has threaded sleeve (13), two equal fixedly connected with stopper (14) of the surface of threaded sleeve (13), two equal fixedly connected with guide groove plate (15) in the inside of fixed sleeve (10), equal fixedly connected with connecting block (16) of stopper (14) opposite side, one end fixedly connected with clamping plate (17) of stopper (14) are kept away from to connecting block (16), the internal surface fixedly connected with slipmat (18) of clamping plate (17).
2. The new energy automobile silicon nitride ceramic bearing ball contact fatigue life detection mechanism according to claim 1, wherein: the novel air blower is characterized in that the top of the base (1) is fixedly connected with an air blower body, one end of an air outlet pipe of the air blower body is fixedly connected with a connecting pipe, an air blowing head is arranged at the outlet of the connecting pipe, and the air blowing head is located inside the box body (2).
3. The new energy automobile silicon nitride ceramic bearing ball contact fatigue life detection mechanism according to claim 1, wherein: the front of box (2) articulates there is the box door, the surface fixedly connected with door handle of box door, drive shaft hole (3) have been seted up to the inside of installation shell (4), drive shaft hole (3) extend to the inside of box (2), transmission shaft (6) are rotatory in the inside of box (2) through drive shaft hole (3).
4. The new energy automobile silicon nitride ceramic bearing ball contact fatigue life detection mechanism according to claim 1, wherein: the shape of backup pad (8) is rectangular shaped plate, detection cavity has been seted up to the inside of box body (9), bearing (7) are located the inside of box body (9) through detecting the cavity.
5. The new energy automobile silicon nitride ceramic bearing ball contact fatigue life detection mechanism according to claim 1, wherein: the shape of the two fixing sleeves (10) is a round sleeve, the interiors of the two fixing sleeves (10) are provided with rotating holes, and the two threaded rods (12) rotate in the interiors of the two fixing sleeves (10) through the rotating holes.
6. The new energy automobile silicon nitride ceramic bearing ball contact fatigue life detection mechanism according to claim 1, wherein: two equal fixedly connected with limiting plate of the relative one end of threaded rod (12), the quantity of stopper (14) is four, and just respectively with every two be a set of symmetric distribution in the left and right sides of two screw sleeve (13), the quantity of direction frid (15) is four, and just respectively with every two be a set of symmetric distribution in the inside of two fixed sleeve (10), four stopper (14) all with four direction frid (15) sliding connection.
7. The new energy automobile silicon nitride ceramic bearing ball contact fatigue life detection mechanism according to claim 6, wherein: the number of the connecting blocks (16) is four, the connecting blocks are symmetrically distributed on the surfaces of the four limiting blocks (14) in a group of every two, and the shape of each connecting block (16) is a rectangular block.
8. The new energy automobile silicon nitride ceramic bearing ball contact fatigue life detection mechanism according to claim 1, wherein: the number of the clamping plates (17) is two, the shapes of the two clamping plates (17) are arc-shaped plates, and the shapes of the two anti-slip pads (18) are arc-shaped pads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320422967.3U CN219842148U (en) | 2023-03-08 | 2023-03-08 | New energy automobile silicon nitride ceramic bearing ball contact fatigue life detection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320422967.3U CN219842148U (en) | 2023-03-08 | 2023-03-08 | New energy automobile silicon nitride ceramic bearing ball contact fatigue life detection mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN219842148U true CN219842148U (en) | 2023-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320422967.3U Active CN219842148U (en) | 2023-03-08 | 2023-03-08 | New energy automobile silicon nitride ceramic bearing ball contact fatigue life detection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219842148U (en) |
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- 2023-03-08 CN CN202320422967.3U patent/CN219842148U/en active Active
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