CN112664555A - Full-complement bearing assembly with axial crack on outer ring - Google Patents
Full-complement bearing assembly with axial crack on outer ring Download PDFInfo
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- CN112664555A CN112664555A CN202011640650.4A CN202011640650A CN112664555A CN 112664555 A CN112664555 A CN 112664555A CN 202011640650 A CN202011640650 A CN 202011640650A CN 112664555 A CN112664555 A CN 112664555A
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- bearing
- outer ring
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- inner race
- bearing inner
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Abstract
The invention belongs to the technical field of bearings, and particularly relates to an outer ring full-complement bearing assembly with an axial crack. Including bearing inner race, locate the rolling element between bearing inner race and the bearing inner race and locate the outer shell of bearing inner race, be equipped with on the bearing inner race surface along axially extended crack, the crack is used for strutting the bearing inner race when the equipment so that install the rolling element to between bearing inner race and the bearing inner race, the shell cladding just is equipped with the axial limit structure who restricts bearing inner race axial displacement on the bearing inner race outer peripheral face. It is through seting up the cracked mode on the bearing inner race, and the cooperation is expanded the subassembly and is made the bearing inner race only need strut the crack when the installation rolling element and can accomplish full dress, and under the self effect of bearing inner race, the opening of strutting is automatic laminates moreover, does not influence normal use, and simple structure has realized simple and easy full dress technology, improves the efficiency of full dress equipment.
Description
[ technical field ] A method for producing a semiconductor device
The invention belongs to the technical field of bearings, and particularly relates to an outer ring full-complement bearing assembly with an axial crack.
[ background of the invention ]
The bearing capacity is related to the number of rolling elements filled in the bearing, and the larger the number of the rolling elements is, the larger the bearing capacity is. In order to obtain higher bearing capacity, axial cracks are opened on the outer ring of the bearing and a larger number of balls are filled into the bearing through the cracks. After the outer ring is provided with the axial crack, the axial bearing capacity of the bearing is greatly influenced, and the bearing needs to be matched with a bearing seat and the like.
[ summary of the invention ]
The invention provides an outer ring full complement bearing assembly with axial cracks, which aims to exert the characteristic advantage of high bearing capacity of the outer ring full complement bearing and make up the influence of outer ring cracks on the axial bearing capacity of the bearing.
The invention is realized by the following technical scheme:
the outer lane takes axial crack type full complement bearing subassembly, including bearing inner race, locate the rolling element between bearing inner race and the bearing inner race and locate the outer shell of bearing inner race, be equipped with the crack along axial extension on the bearing inner race surface, the crack is used for strutting the bearing inner race when the equipment so that install the rolling element to between bearing inner race and the bearing inner race, the shell cladding just is equipped with the axial limit structure of restriction bearing inner race axial displacement on the bearing inner race outer peripheral face.
The bearing assembly is characterized in that the bearing assembly is a full-complement bearing assembly with an axial crack on the outer ring, and a stress notch is arranged on the side surface of the bearing outer ring and on one side of the crack.
The outer ring full complement bearing assembly with the axial crack is characterized in that the stress notch is a triangular notch.
The outer ring provided with the axial crack type full-complement bearing assembly is characterized in that the outer ring is of a circular ring type, a clamping cavity for mounting the bearing outer ring is formed in the middle of the outer ring, and the axial limiting structure comprises an annular step extending from the end part of the shell to the center direction.
The bearing assembly is fully assembled in the axial crack type of the outer ring belt, the axial limiting structure further comprises a limiting ring, and an annular groove position for installing the limiting ring is arranged at one end, located in the clamping cavity, in the shell.
The outer ring full complement bearing assembly of the axial split type as described above, wherein the annular step extends centrally to a depth of no less than 1/2 times the thickness of the bearing outer ring.
The outer ring with the axial crack type full-complement bearing assembly is characterized in that an inner annular tool withdrawal groove is further formed between the annular step and the clamping cavity.
Compared with the prior art, the invention has the following advantages:
the invention provides an outer ring full-complement bearing assembly with an axial crack, which can be used for completing full complement by only opening the crack when a rolling body is installed on a bearing outer ring in a mode of opening the crack on the bearing outer ring and matching with an expansion assembly. The cracks on the bearing outer ring are neat, the seams are intact, and the cracks can not be seen by naked eyes basically after filling and resetting. In addition, the shell with the axial limiting structure is additionally arranged when the bearing is used, the shell is matched for use, the axial load of the bearing outer ring can be effectively shared, and the problem of insufficient axial bearing capacity after cracks are formed in the bearing outer ring is solved.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic view (without a housing) of a full complement bearing assembly of the invention of the type with an axial split outer race;
FIG. 2 is a schematic cross-sectional view of a bearing outer race;
FIG. 3 is a schematic view of a bearing assembly with a housing;
FIG. 4 is a schematic view of the housing;
FIG. 5 is an enlarged view of portion A of FIG. 4;
FIG. 6 is a first schematic view of the supporting device;
FIG. 7 is a second schematic view of the support device;
FIG. 8 is a half sectional view of the support device;
FIG. 9 is an exploded view of the support device;
FIG. 10 is a second schematic view of the support device;
fig. 11 is an exploded view of the structure of the supporting device.
[ detailed description ] embodiments
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention is realized by the following technical scheme:
as shown in fig. 1 and 2, the full complement bearing assembly with an axial crack on the outer ring comprises a bearing inner ring 91, a bearing outer ring 92, a rolling body 93 arranged between the bearing inner ring 91 and the bearing outer ring 92, and a housing 95 arranged outside the bearing outer ring 92, wherein a crack 901 extending along the axial direction is arranged on the outer surface of the bearing outer ring 92, the crack 901 is used for expanding the bearing outer ring 92 so as to fill the rolling body 93 between the bearing inner ring 91 and the bearing outer ring 92 when the bearing outer ring 92 is assembled, and the housing 95 is coated on the outer peripheral surface of the bearing outer ring 92 and is provided with an axial limit structure for limiting the axial displacement of the bearing outer ring 92. The invention provides an outer ring full-complement bearing assembly with an axial crack, which can be used for completing full complement by only opening the crack when a rolling body is installed on a bearing outer ring in a mode of opening the crack on the bearing outer ring and matching with an expansion assembly. The cracks on the bearing outer ring are neat, the seams are intact, and the cracks can not be seen by naked eyes basically after filling and resetting. In addition, the shell with the axial limiting structure is additionally arranged when the bearing is used, the shell is matched for use, the axial load of the bearing outer ring can be effectively shared, and the problem of insufficient axial bearing capacity after cracks are formed in the bearing outer ring is solved.
Further, a stress notch 902 is formed on a side surface of the bearing outer ring 92 on the side of the crack 901. Furthermore, the stress notch 902 is a triangular notch. Which facilitates the formation of stress concentrations during cracking so that cracks can be opened at predetermined locations.
As shown in fig. 3 to 5, in this solution, the specific structure of the housing is: the housing 95 is a circular ring, a clamping cavity 905 for mounting the bearing outer ring 92 is formed in the middle of the housing, and the axial limiting structure comprises an annular step 951 extending from the end of the housing 95 to the center direction. Annular step 951 is convenient for the bearing outer ring to be directly propped against the end face of the annular step when being installed, and plays a role in limiting.
Moreover, an inner annular tool withdrawal groove 953 is further arranged between the annular step 951 and the clamping cavity 905. The processing of its convenient annular step and bearing inner race's installation, avoid bearing inner race assembly chamfer. In addition, the annular step 951 extends toward the center to a depth no less than 1/2 the thickness of the bearing cup 92. The bearing outer ring end face positioning device is used for positioning the bearing outer ring end face plane with the axial crack and plays a role in protection.
Further, the axial limit structure further comprises a limit ring 96, and an annular groove 952 for installing the limit ring 96 is arranged at one end of the shell 95, which is located in the clamping cavity 905. The annular step 951 is used for limiting one end of the bearing outer ring, and the limiting ring 96 is installed after the bearing outer ring is installed, so that the two axial ends of the bearing outer ring are limited.
In addition, an annular sealing groove can be formed in the inner side face of the bearing outer ring and used for additionally installing a sealing element, so that the bearing assembly can be applied to occasions with high sealing requirements.
As shown in fig. 6 to 11, in the present embodiment, the crack 901 is formed by fracturing with a support device. The supporting device has the specific structure that: including base 1, locate locating plate 2 on base 1 and the cover is located the pressure cover 3 that the base 1 reciprocated relatively in the locating plate 2 outside, press the cover 3 and enclose into the fracture cavity 101 that is used for placing annular part 9 with locating plate 2 jointly, when annular part 9 is located fracture cavity 101, the up end of pressing the cover 3 is higher than the up end of annular part 9. The bearing outer ring to be cracked is limited through a cracking cavity formed by the pressing sleeve and the positioning plate, when the bearing outer ring is cracked, the upper end face of the pressing sleeve is firstly contacted by the press, the press presses down to drive the pressing sleeve to press down together until the pressing sleeve presses the bearing outer ring to complete the cracking action, and thus the bearing outer ring is positioned and oriented through the cracking cavity, the cracking position of the bearing outer ring can be kept upward, and the bearing outer ring is not easy to shift. In addition, the press is firstly contacted with the pressing sleeve to play a role in protection, and the pressing sleeve cannot be directly pressed to the outer ring, so that the cracking effect of the outer ring is better.
Furthermore, a positioning structure 4 for preventing the annular part 9 from rolling is also arranged on the base 1 in the cracking chamber 101. Therefore, the lower end of the circular bearing outer ring can fall into the concave position, and the outer ring is further prevented from rolling during fracturing.
Specifically, location structure 4 is for locating the arc concave position that the upper surface of base 1 is sunken downwards. The concave position of the bearing is matched with the outer surface of the bearing outer ring, so that the rolling effect of the bearing is limited after the bearing is placed. In this scheme, only need the manual work to put into the back, through rotating with the position of breach up, can accomplish the installation.
In addition, the two side edges of the arc concave position connected with the upper surface of the base 1 are inclined plane connecting sections or arc surface connecting sections with the curvature radius larger than that of the arc concave position. The bearing outer ring that the one can adapt different radius sizes uses, and the second comes when fracturing, and the bearing can take place to warp in the twinkling of an eye, becomes flat equivalently, and the cambered surface connecting segment of both sides just is used for the process that the adaptation warp, can not harm the surface.
Still further, an elastic reset component is arranged on the pressing sleeve 3 and the base 1. The automatic resetting of the pressing sleeve is convenient after the fracturing is finished. Specifically, the elastic reset assembly comprises guide posts 11 arranged on the base 1 and positioned on two sides or the periphery of the pressing sleeve 3, side wings 31 capable of being sleeved on the guide posts 11 are arranged on the pressing sleeve 3, and springs are further arranged on the guide posts 11.
Still further, the positioning plates 2 are fixedly connected to the base 1, the number of the positioning plates 2 is two, and the two positioning plates 2 are arranged at intervals and are respectively located on two sides of the positioning structure 4. The positioning plates on the two sides play a role in limiting the thickness of the bearing outer ring, and the bearing outer ring is limited in the cracking cavity 101.
Consider that different bearing inner race size thickness is different, this scheme can set to the bearing inner race fracture use that the mode that two locating plates are adjustable matches different specifications, and concrete scheme is: the number of the positioning plates 2 is two, the two positioning plates 2 can be movably arranged on the base 1, and the base 1 is further provided with an adjusting piece 6 capable of adjusting the distance between the two positioning plates 2. Specifically, a groove 12 for inserting the bottom of the positioning plate 2 is formed in the base 1, and the adjusting piece 6 extends into the groove 12 from one side of the base 1 and is connected with the positioning plate 2. The position of the positioning plate can be adjusted by rotating the adjusting piece, so that the positioning plate can be matched with bearing outer rings of different specifications to be cracked for use.
The invention provides an outer ring full-complement bearing assembly with an axial crack, which can be used for completing full complement by only opening the crack when a rolling body is installed on a bearing outer ring in a mode of opening the crack on the bearing outer ring and matching with an expansion assembly. The cracks on the bearing outer ring are neat, the seams are intact, and the cracks can not be seen by naked eyes basically after filling and resetting. In addition, the shell with the axial limiting structure is additionally arranged when the bearing is used, the shell is matched for use, the axial load of the bearing outer ring can be effectively shared, and the problem of insufficient axial bearing capacity after cracks are formed in the bearing outer ring is solved.
The foregoing is illustrative of one or more embodiments provided in connection with the detailed description and is not intended to limit the practice of the invention to the particular forms disclosed. Similar or identical methods, structures and the like, or several technical deductions or substitutions on the premise of the conception of the invention, are considered to be the protection scope of the invention.
Claims (7)
1. The full complement bearing assembly with the axial crack type outer ring comprises a bearing inner ring (91), a bearing outer ring (92), a rolling body (93) arranged between the bearing inner ring (91) and the bearing outer ring (92) and a shell (95) arranged outside the bearing outer ring (92), and is characterized in that a crack (901) extending along the axial direction is arranged on the outer surface of the bearing outer ring (92), the crack (901) is used for opening the bearing outer ring (92) during assembly so as to fill the rolling body (93) between the bearing inner ring (91) and the bearing outer ring (92), and the shell (95) is coated on the outer peripheral surface of the bearing outer ring (92) and is provided with an axial limiting structure for limiting the axial displacement of the bearing outer ring (92).
2. Full complement bearing assembly of the outer ring with axial crack type according to claim 1, characterized in that the side of the bearing outer ring (92) on the side of the crack (901) is provided with a stress notch (902).
3. The outer race band axial split full complement bearing assembly of claim 2, wherein said stress notch (902) is a triangular notch.
4. The outer race full complement bearing assembly with axial split according to claim 1, wherein the housing (95) is circular ring shaped, and has a clamping cavity (905) in the middle for mounting the bearing outer race (92), and the axial limiting structure comprises an annular step (951) extending from the end of the housing (95) to the center.
5. The full complement bearing assembly with the axial crack of the outer ring belt of claim 4, characterized in that the axial limiting structure further comprises a limiting ring (96), and an annular groove (952) for installing the limiting ring (96) is arranged at one end of the shell (95) located in the clamping cavity (905).
6. An outer ring full complement bearing assembly with axial splits according to claim 4, characterized in that said annular step (951) extends centrally to a depth not less than 1/2 of the thickness of said bearing outer ring (92).
7. The full complement bearing assembly with the axial crack of the outer ring according to claim 4, characterized in that an inner annular tool withdrawal groove (953) is further arranged between the annular step (951) and the clamping cavity (905).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011640650.4A CN112664555A (en) | 2020-12-31 | 2020-12-31 | Full-complement bearing assembly with axial crack on outer ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011640650.4A CN112664555A (en) | 2020-12-31 | 2020-12-31 | Full-complement bearing assembly with axial crack on outer ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112664555A true CN112664555A (en) | 2021-04-16 |
Family
ID=75413951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011640650.4A Pending CN112664555A (en) | 2020-12-31 | 2020-12-31 | Full-complement bearing assembly with axial crack on outer ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112664555A (en) |
-
2020
- 2020-12-31 CN CN202011640650.4A patent/CN112664555A/en active Pending
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