CN218294226U - Completely-split type cylindrical roller bearing retainer - Google Patents
Completely-split type cylindrical roller bearing retainer Download PDFInfo
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- CN218294226U CN218294226U CN202222598312.XU CN202222598312U CN218294226U CN 218294226 U CN218294226 U CN 218294226U CN 202222598312 U CN202222598312 U CN 202222598312U CN 218294226 U CN218294226 U CN 218294226U
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- retainer
- cylindrical roller
- holder
- roller bearing
- pin
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Abstract
The utility model discloses a complete subdivision formula cylindrical roller bearing holder, including first half holder and second half holder, connecting pin and subdivision incision, all be equipped with the pocket hole on first half holder and the second half holder, the cylindrical roller is placed to the inside in pocket hole, this complete subdivision formula cylindrical roller bearing holder, the structure is brief, comprises two holders, and two half holder structures are identical completely, has practiced thrift the process time greatly, has effectively improved machining efficiency, simultaneously to the occasion that must radially install the bearing, the utility model provides a holder is especially suitable for; can be in the same place two inseparable connections of holder through the elastic pin, compare in ordinary pin simultaneously, the elastic pin need not strictly control pin diameter and cotter hole diameter, simple to operate, and be difficult to after the installation not hard up.
Description
Technical Field
The utility model belongs to the technical field of the bearing manufacturing technology and specifically relates to a complete subdivision formula cylindrical roller bearing holder.
Background
The split bearing is suitable for occasions with limited axial installation space and radial installation. When the bearing is manufactured by splitting each component and is mounted on a shaft for use, the split parts are connected by fasteners such as bolts and pins.
The split bearing retainer disclosed in the Chinese patent with the publication number of CN 204755598U is provided with a retainer I and a retainer II, wherein the retainer I is sleeved outside the retainer II and is fixedly connected with the retainer II, the retainer I comprises two semicircular retainers, a threaded hole is formed in the butt joint of the two semicircular retainers, and the two semicircular retainers are fixedly connected with each other through a steel plate and a connecting bolt. Threaded holes need to be machined in the outer cylindrical surface of the retainer I, positioning is difficult, radial drilling can cause deformation of the retainer, and assembly of the retainer is affected. Meanwhile, the retainer II is still in a complete circular ring structure and is not completely split, so that the retainer II is not suitable for application occasions where the bearing needs to be completely split.
If the split self-aligning roller bearing retainer disclosed in the Chinese patent document with the publication number of CN 216951309U is provided with a half ring retainer, a limiting block and a retainer cover, wherein a boss is arranged at the joint of one half ring retainer, a groove is arranged at the joint of the other half ring retainer, threaded holes are arranged at the corresponding positions of the boss and the groove, and the two half ring retainers are connected through screws. The processing of the lug boss and the groove of the retainer is complex, and the retainer cover is a complete circular ring and is not suitable for application occasions needing complete subdivision.
Disclosure of Invention
The utility model provides a complete subdivision formula cylindrical roller bearing holder, this holder simple structure, the radial installation of specially adapted, the occasion that all spare parts of bearing must be completely subdivided can effectively solve the problem among the background art.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a complete subdivision formula cylindrical roller bearing holder, includes half first holder and half second holder, connecting pin and subdivision incision, all be equipped with the pocket hole on half first holder and the half second holder, the inside in pocket hole is provided with the space of placing cylindrical roller.
The first half retainer consists of a first half retainer upper half part and a first half retainer lower half part, pin holes are formed in the splitting surfaces of the first half retainer upper half part and the first half retainer lower half part, and elastic pin holes are formed between two pockets on one end face of the first half retainer.
Elastic pins which are correspondingly clamped with the elastic pin holes are arranged between two pockets on one end face of the second half retainer.
Preferably, the first half-cage and the second half-cage are identical in structure.
Preferably, the width of the dissection incision is B, and the value range of B is 3-5mm.
More preferably, both the two parts constituting the first half-cage and the second half-cage are fixed together by a connecting pin.
Further preferably, the middle part of the outer side surface of the connecting pin is provided with a middle boss, and the thickness of the middle boss is B.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the completely split type cylindrical roller bearing retainer has a simple structure, consists of two retainers, has completely the same structure of two half retainers, greatly saves the processing time, effectively improves the processing efficiency, and is particularly suitable for occasions where bearings must be radially installed;
2. can be in the same place two inseparable connections of holder through the elastic pin, compare in ordinary pin simultaneously, the elastic pin need not strictly control pin diameter and cotter hole diameter, simple to operate, and be difficult to after the installation not hard up.
Drawings
FIG. 1 is an exploded view of the cage assembly after loading into the roller;
FIG. 2 is a schematic view of a first half-cage upper half and a first half-cage lower half;
FIG. 3 is a schematic view of the first half cage at the split cut;
FIG. 4 is a schematic view of a second half-cage;
FIG. 5 is a schematic view of a connection pin;
fig. 6 is a schematic view of the spring pin.
In the figure: the structure comprises a first half retainer 1, a first half retainer 11, a first half retainer 12, a first half retainer half 12, a pin hole 13, an elastic pin hole 14, a pocket hole 15, a split cut 16, a second half retainer 2, a second half retainer 21, an upper half retainer 22, a lower half retainer 22, cylindrical rollers 3, connecting pins 4, a middle boss 41 and elastic pins 5.
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.
In the description of the present invention, when a feature is referred to as being "disposed", "fixed" or "connected" to another feature, it can be directly disposed, fixed or connected to the other feature or be indirectly disposed, fixed or connected to the other feature.
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a complete subdivision formula cylindrical roller bearing holder, includes first half holder 1 and second half holder 2, connecting pin 4 and subdivision incision 16, all be equipped with pocket 15 on first half holder 1 and the second half holder 2, the inside of pocket 15 is provided with the space of placing cylindrical roller 3.
Specifically, the first half cage 1 and the second half cage 2 have the same structure, and the first half cage 1 and the second half cage 2 are provided with pockets 15 for placing the cylindrical rollers 3.
The first half retainer 1 consists of a first half retainer upper half part 11 and a first half retainer lower half part 12, pin holes 13 are arranged at the splitting surfaces of the first half retainer upper half part 11 and the first half retainer lower half part 12, and elastic pin holes 14 are arranged between two pockets 15 on one end surface of the first half retainer 1.
Specifically, the first half cage 1 as a whole is provided with a pocket 15, and then is divided into two parts, namely a first half cage upper half part 11 and a first half cage lower half part 12, and the width of a split cut 16 is B.
Specifically, the split surfaces of the first half retainer upper half 11 and the first half retainer lower half 12 are both provided with pin holes 13, and the elastic pin holes 14 penetrate through the pin holes 13 and are used for connecting the upper part and the lower part.
Further, the first half-cage 1 and the second half-cage 2 are identical in structure.
Specifically, the two half-holders with the same structure can effectively improve the processing efficiency and reduce the processing cost.
Further, the width of the split incision 16 is B, and the value of B is 4mm.
Further, the two parts constituting the first half-cage 1 and the second half-cage 2 are fixed together by the connecting pins 4.
More specifically, the dowel pins 4 may combine the first half cage upper half 11 and the first half cage lower half 12.
Further, a middle boss 41 is arranged in the middle of the outer side face of the connecting pin 4, and the thickness of the middle boss 41 is B.
More specifically, the thickness of the middle boss 41 and the width of the split cut 16 are both B, so that the middle boss 41 can support the first half retainer upper half 11 and the first half retainer lower half 12, thereby ensuring the roundness of the first half retainer 1 and the second half retainer 2.
When in use: when the rollers are installed, firstly, all the cylindrical rollers are placed in the pockets 15 from the end faces of the first half retainer upper half part 11, the elastic pins 5 are placed in the elastic pin holes 14, the elastic pin holes 14 and the elastic pins 3 are in interference fit, the upper half part 21 of the second half retainer is pressed in by aligning with the corresponding positions of the elastic pins 5 and is attached to the first half retainer upper half part 11, the first half retainer upper half part 11 and the second half retainer upper half part 21 are combined into a whole, the installation method of the first half retainer lower half part 12 and the second half retainer lower half part 22 is the same as that of the first half retainer lower half part 12 and the second half retainer lower half part 22, and the first half retainer lower half part 12 and the second half retainer half part 22 are also combined into a whole.
When the retainer is installed on a shaft, the connecting pin 4 is pressed into pin holes of the upper half part 11 of the first half retainer and the upper half part 21 of the second half retainer, the width of a middle boss part 41 of the connecting pin is equal to the width of a section of the first half retainer 1, and is B, the connecting pin 4 is in interference fit with the pin hole 13, and then the lower half part 12 of the first half retainer and the lower half part 22 of the second half retainer are pressed into the integral retainer by aligning with the connecting pin 4.
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 (5)
1. The utility model provides a complete subdivision formula cylindrical roller bearing holder which characterized in that: the split type cylindrical roller bearing comprises a first half retainer (1), a second half retainer (2), connecting pins (4) and split notches (16), wherein pocket holes (15) are formed in the first half retainer (1) and the second half retainer (2), and spaces for placing cylindrical rollers (3) are formed in the pocket holes (15);
the first half retainer (1) consists of a first half retainer upper half part (11) and a first half retainer lower half part (12), pin holes (13) are formed in the split surfaces of the first half retainer upper half part (11) and the first half retainer lower half part (12), and elastic pin holes (14) are formed between two pockets (15) on one end surface of the first half retainer (1);
one end face of the second half retainer (2) is provided with an elastic pin (5) which is correspondingly clamped with the elastic pin hole (14).
2. The completely split cylindrical roller bearing cage of claim 1, wherein: the first half-retainer (1) and the second half-retainer (2) are identical in structure.
3. The completely split cylindrical roller bearing cage of claim 1, wherein: the width of the dissection incision (16) is B, and the value range of B is 3-5mm.
4. The completely split cylindrical roller bearing cage of claim 2, wherein: the two parts forming the first half-retainer (1) and the second half-retainer (2) are fixed together through a connecting pin (4).
5. The completely split cylindrical roller bearing cage of claim 4, wherein: the middle of the outer side face of the connecting pin (4) is provided with a middle boss (41), and the thickness of the middle boss (41) is B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222598312.XU CN218294226U (en) | 2022-09-30 | 2022-09-30 | Completely-split type cylindrical roller bearing retainer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222598312.XU CN218294226U (en) | 2022-09-30 | 2022-09-30 | Completely-split type cylindrical roller bearing retainer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218294226U true CN218294226U (en) | 2023-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222598312.XU Active CN218294226U (en) | 2022-09-30 | 2022-09-30 | Completely-split type cylindrical roller bearing retainer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218294226U (en) |
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2022
- 2022-09-30 CN CN202222598312.XU patent/CN218294226U/en active Active
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