CN216589574U - Cylindrical roller bearing convenient to space flight research and development of installation - Google Patents
Cylindrical roller bearing convenient to space flight research and development of installation Download PDFInfo
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- CN216589574U CN216589574U CN202122658551.5U CN202122658551U CN216589574U CN 216589574 U CN216589574 U CN 216589574U CN 202122658551 U CN202122658551 U CN 202122658551U CN 216589574 U CN216589574 U CN 216589574U
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- bearing
- sleeve
- sealing
- convenient
- install
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- 238000009434 installation Methods 0.000 title claims abstract description 12
- 238000012827 research and development Methods 0.000 title claims description 5
- 238000007789 sealing Methods 0.000 claims abstract description 58
- 238000013461 design Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a cylindrical roller bearing which is convenient to install and developed in spaceflight, comprising a bearing shaft, wherein a device convenient to install and a plurality of connecting devices are arranged on the bearing shaft, the device convenient for installation comprises a bearing sleeve and a ball, a first chute is arranged on the bearing shaft, and the first sliding chutes are respectively provided with a plurality of rotating holes along the axis of the bearing shaft, the rotating holes are respectively provided with a plurality of rotating holes along the axis of the bearing sleeve, each rotating hole is respectively rotatably provided with a ball, each ball is respectively connected in the first sliding chute in a matching way, under the design of the convenient installation device, firstly, because the balls on the bearing sleeve are respectively connected on the first chute and the second chute, and a plurality of balls can roll, a plurality of bearing sleeves are fixed in the connecting sleeve through the sealing plates at two sides of the connecting sleeve, then the clamping blocks on the previous bearing sleeve are matched and connected with the clamping grooves on the next bearing sleeve.
Description
Technical Field
The utility model relates to the technical field of novel roller bearings, in particular to a cylindrical roller bearing which is convenient to install and is researched and developed in spaceflight.
Background
The bearing is an important part in modern mechanical equipment, the main function of the bearing is to support a mechanical rotator, reduce the friction coefficient in the movement process of the mechanical rotator and ensure the rotation precision of the mechanical rotator, and the cylindrical roller bearing is a centripetal rolling bearing with cylindrical rollers as rolling bodies. The internal structure of the cylindrical roller bearing adopts rollers which are arranged in parallel, and space retainers or spacing blocks are arranged between the rollers, so that the inclination of the rollers or the mutual friction between the rollers can be prevented, and the increase of the rotating torque is effectively prevented. The cylindrical roller and the raceway are in line contact bearing. Patent No. CN201680083190.5 discloses a multi-row cylindrical roller bearing, in which when a bearing inner sleeve of the bearing is mounted on a shaft, the bearing is difficult to mount on the shaft when mounting, and is very difficult to move in the direction of the axis, if mounting is forced by an external force, the use effect of the bearing is affected, affecting the quality of the whole.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides a cylindrical roller bearing which is convenient to install and developed in spaceflight, so as to solve the technical problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a cylindrical roller bearing convenient for installation and aerospace research and development comprises a bearing shaft, wherein the bearing shaft is provided with a device convenient for installation and a plurality of connecting devices, the device convenient for installation comprises a bearing sleeve and a ball, a first chute is arranged on the bearing shaft, and the first sliding chutes are respectively provided with a plurality of first sliding chutes along the axis of the bearing shaft, the bearing sleeve is provided with a rotating hole, the rotating holes are respectively provided with a plurality of rotating holes along the axis of the bearing sleeve, each rotating hole is respectively rotatably provided with a ball, each ball is respectively connected in the first sliding chute in a matching way, the multi-connection device comprises a connecting sleeve, a limiting block, a bearing inner sleeve and a bearing outer sleeve, the limiting block is arranged on the side surface of the connecting sleeve, and a limiting groove is formed in the bearing inner sleeve, the limiting block is connected to the limiting groove in a matched mode, and a bearing outer sleeve is installed on the outer side of the bearing inner sleeve.
Preferably, accept the cover and be provided with a plurality ofly, and respectively the symmetry install accept epaxially to accept to be equipped with the card caking on one side of accepting the cover, the joint groove has been seted up to the opposite side of accepting the cover, and is a plurality of when accepting the cover and installing, the card caking on the preceding accepting cover is installed in accepting the joint inslot on the cover in the back, and the design of a plurality of accepting covers has guaranteed whole gliding stability.
Preferably, a connecting sleeve is arranged on the bearing shaft, a plurality of second sliding grooves are formed in the connecting sleeve and are respectively arranged along the axis of the connecting sleeve, a plurality of balls are connected to each second sliding groove in a matched manner, and the design of the second sliding grooves ensures continuous rolling of the balls.
Preferably, the bearing shaft is provided with a sealing plate, the sealing plate is provided with a through hole, the bearing shaft penetrates through the through hole and is connected to the sealing plate, the side surface of the sealing plate is attached to the side surface of the connecting sleeve, and the sealing stability of the whole body is ensured by the design of the sealing plate.
Preferably in further, the sealing plate and the connecting sleeve are respectively provided with a sealing hole, each sealing hole is provided with a sealing bolt, each sealing bolt penetrates through the sealing plate to be connected to the connecting sleeve in a threaded manner, the sealing plate and the sealing bolts are arranged in a plurality and are respectively symmetrically arranged on two sides of the connecting sleeve, and the side surface of the bearing inner sleeve is attached to the side surface of the sealing plate, so that the sealing plate is stably connected through the design of the sealing holes.
Preferably, the limiting blocks, the bearing inner sleeves and the bearing outer sleeves are respectively provided with a plurality of limiting blocks, the limiting blocks are respectively and symmetrically installed along the side faces of the connecting sleeves, the bearing inner sleeves and the bearing outer sleeves are respectively and symmetrically installed on the connecting sleeves, and the limiting blocks, the bearing inner sleeves and the bearing outer sleeves are designed to bear larger weight.
Compared with the prior art, the utility model provides the cylindrical roller bearing which is convenient to install and is researched and developed in spaceflight, and the cylindrical roller bearing has the following beneficial effects:
in the utility model, under the design of a device convenient to install, firstly, the balls on the bearing sleeves are respectively connected on the first sliding groove and the second sliding groove, and the balls can roll, the bearing sleeves are fixed in the connecting sleeve through the sealing plates on two sides of the connecting sleeve, and then the bearing sleeves are matched and connected with the clamping groove on the next bearing sleeve through the clamping block on the previous bearing sleeve, so that the bearing sleeves are stably connected, the connecting sleeve can continuously slide along the first sliding groove under the action of the balls, the whole sliding efficiency is improved, the damage caused by forced sliding is reduced, under the design of the multi-connecting device, the bearings can be installed under the combined action of the limiting groove and the limiting block on the bearing inner sleeve, then the bearings are installed on the connecting sleeve at one time, and then the bearings are fixed through the sealing plates on two sides, the sealing plate is then fixed to the connecting sleeve by a plurality of sealing bolts, so that the sealing plate can bear larger weight and the whole load capacity is improved.
Drawings
FIG. 1 is a schematic structural view of an aerospace-developed cylindrical roller bearing of the present invention that is easy to install;
FIG. 2 is an exploded view of an aerospace developed cylindrical roller bearing of the present invention, which is easy to install;
fig. 3 is a schematic structural view of the socket and the ball of the present invention.
In the figure: 1. a bearing shaft; 2. a bearing sleeve; 3. a ball bearing; 4. a first chute; 5. rotating the hole; 6. connecting sleeves; 7. a limiting block; 8. a bearing inner sleeve; 9. a bearing housing; 10. a limiting groove; 11. blocking; 12. a clamping groove; 13. a second chute; 14. a sealing plate; 15. a through hole; 16. sealing the hole; 17. and sealing the bolt.
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.
Example 1:
referring to fig. 1-3, a cylindrical roller bearing easy to install and developed for aerospace research and development comprises a bearing shaft 1, wherein the bearing shaft 1 is provided with a device easy to install and a plurality of connecting devices, the device easy to install comprises a bearing sleeve 2 and balls 3, the bearing shaft 1 is provided with a first chute 4, the first chute 4 is respectively provided with a plurality of chutes along the axis of the bearing shaft 1, the bearing sleeve 2 is provided with a rotating hole 5, the rotating hole 5 is respectively provided with a plurality of chutes along the axis of the bearing sleeve 2, each rotating hole 5 is respectively provided with a ball 3 in a rotating manner, each ball 3 is respectively connected in the first chute 4 in a matching manner, the plurality of connecting devices comprise a connecting sleeve 6, a limiting block 7, a bearing inner sleeve 8 and a bearing outer sleeve 9, the limiting block 7 is arranged on the side surface of the connecting sleeve 6, the bearing inner sleeve 8 is provided with a limiting groove 10, the limiting block 7 is connected on the limiting groove 10 in a matching manner, and a bearing outer sleeve 9 is mounted on the outer side of the bearing inner sleeve 8.
In this embodiment, accept cover 2 and be provided with a plurality ofly, and respectively the symmetry install on accepting axle 1 to be equipped with card caking 11 on accepting cover 2 one side, accept the opposite side of cover 2 and seted up joint groove 12, a plurality of accepting cover 2 when installing, the card caking 11 on the preceding accepting cover 2 is installed in the joint groove 12 on the succeeding accepting cover 2, and card caking 11 and joint groove 12 cooperate the connection.
In this embodiment, the connecting sleeve 6 is disposed on the bearing shaft 1, the second sliding grooves 13 are disposed on the connecting sleeve 6, the second sliding grooves 13 are disposed along the axis of the connecting sleeve 6, and each second sliding groove 13 is connected with a plurality of balls 3 in a matching manner.
In the embodiment, the bearing shaft 1 is provided with a sealing plate 14, the sealing plate 14 is provided with a through hole 15, the bearing shaft 1 passes through the through hole 15 and is connected to the sealing plate 14, and the side surface of the sealing plate 14 is attached to the side surface of the connecting sleeve 6.
In this embodiment, sealing holes 16 have been seted up respectively on sealing plate 14 and the adapter sleeve 6, all be equipped with sealing bolt 17 on every sealing hole 16, every sealing bolt 17 passes sealing plate 14 threaded connection on adapter sleeve 6, sealing plate 14 and sealing bolt 17 are provided with a plurality ofly, and respectively the symmetrical both sides of installing at adapter sleeve 6 to the side laminating sealing plate 14's of bearing inner race 8 side.
In this embodiment, the limiting blocks 7, the bearing inner sleeves 8 and the bearing outer sleeves 9 are respectively provided in a plurality, the limiting blocks 7 are respectively and symmetrically installed along the side surfaces of the connecting sleeves 6, and the bearing inner sleeves 8 and the bearing outer sleeves 9 are respectively and symmetrically installed on the connecting sleeves 6.
Example 2:
on the basis of embodiment 1, when the device convenient for installation is used, firstly, because the balls 3 on the bearing sleeve 2 are respectively connected to the first sliding groove 4 and the second sliding groove 13, and the balls 3 can roll, the bearing sleeves 2 are fixed in the connecting sleeve 6 through the sealing plates 14 on both sides of the connecting sleeve 6, and then the bearing sleeves are matched and connected through the clamping block 11 on the previous bearing sleeve 2 and the clamping groove 12 on the next bearing sleeve 2, so as to be stably connected, because of the action of the balls 3, the connecting sleeve 6 can continuously slide along the first sliding groove 4, so that the bearings can be conveniently and slidably connected on the bearing shaft 1, thereby completing the process of convenient installation, when the device convenient for installation is used, the bearings can be installed under the combined action of the limiting groove 10 on the bearing inner sleeve 8 and the limiting block 7, then, a plurality of bearings are installed on the connection sleeve 6 at a time, and then the plurality of bearings are fixed by the sealing plates 14 at both sides, and then the sealing plates 14 are fixed on the connection sleeve 6 by a plurality of sealing bolts 17, thereby completing the multi-connection process.
Example 3:
on the basis of the embodiment, under the combined action of the installation facilitating device and the multiple connecting devices, the whole device is firstly installed, the bearing shaft 1 is installed on external equipment, then the multiple bearing outer sleeves 9 are installed on corresponding positions, and then the process of loading can be carried out through the multiple bearing inner sleeves 8 and the bearing outer sleeves 9, so that the whole process is completed.
While 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 variations may 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 (6)
1. A cylindrical roller bearing convenient to space flight research and development of installation, includes and accepts axle (1), its characterized in that: the bearing shaft (1) is provided with a device convenient to install and a plurality of connecting devices, the device convenient to install comprises a bearing sleeve (2) and balls (3), the bearing shaft (1) is provided with a first chute (4), the first chute (4) is respectively provided with a plurality of chutes along the axis of the bearing shaft (1), the bearing sleeve (2) is provided with a rotating hole (5), the rotating hole (5) is respectively provided with a plurality of chutes along the axis of the bearing sleeve (2), each rotating hole (5) is respectively rotatably provided with a ball (3), each ball (3) is respectively connected in the first chute (4) in a matching way, the plurality of connecting devices comprise a connecting sleeve (6), a limiting block (7), a bearing inner sleeve (8) and a bearing outer sleeve (9), the limiting block (7) is arranged on the side surface of the connecting sleeve (6), and the bearing inner sleeve (8) is provided with a limiting groove (10), the limiting block (7) is connected to the limiting groove (10) in a matching mode, and a bearing outer sleeve (9) is installed on the outer side of the bearing inner sleeve (8).
2. An aerospace developed cylindrical roller bearing convenient to install, according to claim 1, wherein: it is provided with a plurality ofly to hold adapter sleeve (2), and the symmetry is installed respectively on accepting axle (1) to be equipped with card caking (11) on one side of bearing sleeve (2), joint groove (12) have been seted up to the opposite side of accepting sleeve (2), and is a plurality of when installing, hold adapter sleeve (2), in card caking (11) on the preceding one of bearing sleeve (2) was installed in joint groove (12) on the last one of bearing sleeve (2).
3. An aerospace developed cylindrical roller bearing convenient to install, according to claim 1, wherein: the bearing shaft (1) is provided with a connecting sleeve (6), the connecting sleeve (6) is provided with a second sliding groove (13), the second sliding grooves (13) are respectively provided with a plurality of balls (3) along the axis of the connecting sleeve (6), and each second sliding groove (13) is provided with a plurality of balls in a matched manner.
4. An aerospace developed cylindrical roller bearing convenient to install, according to claim 1, wherein: the bearing shaft (1) is provided with a sealing plate (14), the sealing plate (14) is provided with a through hole (15), the bearing shaft (1) penetrates through the through hole (15) and is connected to the sealing plate (14), and the side face of the sealing plate (14) is attached to the side face of the connecting sleeve (6).
5. An aerospace developed cylindrical roller bearing convenient to install, according to claim 4, wherein: sealing holes (16) are respectively formed in the sealing plate (14) and the connecting sleeve (6), each sealing hole (16) is provided with a sealing bolt (17), each sealing bolt (17) penetrates through the sealing plate (14) to be connected to the connecting sleeve (6) in a threaded mode, the sealing plate (14) and the sealing bolt (17) are provided with a plurality of sealing bolts, the sealing bolts are symmetrically arranged on two sides of the connecting sleeve (6) respectively, and the side face of the bearing inner sleeve (8) is attached to the side face of the sealing plate (14).
6. An aerospace developed cylindrical roller bearing convenient to install, according to claim 1, wherein: stopper (7), bearing endotheca (8) and bearing overcoat (9) are provided with a plurality ofly respectively, and are a plurality of stopper (7) symmetry respectively is installed along the side of adapter sleeve (6), and a plurality of bearing endotheca (8) and bearing overcoat (9) symmetry respectively are installed on adapter sleeve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122658551.5U CN216589574U (en) | 2021-11-02 | 2021-11-02 | Cylindrical roller bearing convenient to space flight research and development of installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122658551.5U CN216589574U (en) | 2021-11-02 | 2021-11-02 | Cylindrical roller bearing convenient to space flight research and development of installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216589574U true CN216589574U (en) | 2022-05-24 |
Family
ID=81642077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122658551.5U Expired - Fee Related CN216589574U (en) | 2021-11-02 | 2021-11-02 | Cylindrical roller bearing convenient to space flight research and development of installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216589574U (en) |
-
2021
- 2021-11-02 CN CN202122658551.5U patent/CN216589574U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220524 |
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| CF01 | Termination of patent right due to non-payment of annual fee |