CN212553647U - Bearing assembly structure - Google Patents
Bearing assembly structure Download PDFInfo
- Publication number
- CN212553647U CN212553647U CN202021009159.7U CN202021009159U CN212553647U CN 212553647 U CN212553647 U CN 212553647U CN 202021009159 U CN202021009159 U CN 202021009159U CN 212553647 U CN212553647 U CN 212553647U
- Authority
- CN
- China
- Prior art keywords
- bearing
- mounting sleeve
- pushing
- rotating shaft
- sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model provides a bearing assembly structure, belonging to the bearing technical field, comprising an installation sleeve, a fastening component and a pushing component; the mounting sleeve is used for being connected with the rotating shaft in a sliding mode, the outer wall of the mounting sleeve is a conical surface matched with the conical hole of the double-row roller bearing, the mounting sleeve is used for continuously measuring the bearing clearance in the process of sliding into the conical hole through manpower, and the sliding is stopped after the bearing clearance meets the requirement; the fastening assembly is used for fixing the sliding mounting sleeve on the rotating shaft; the pushing assembly is arranged on the rotating shaft and used for pushing the mounting sleeve and pushing the mounting sleeve into a tapered hole of the double-row roller bearing; the mounting sleeve is pushed into the tapered hole of the double-row roller bearing through the pushing assembly, and the bearing clearance is continuously measured in the pushing process, so that the bearing clearance can meet the requirement, the bearing can be conveniently mounted in place, and the service life of the bearing is conveniently prolonged.
Description
Technical Field
The utility model belongs to the technical field of the bearing, more specifically say, relate to a bearing assembly structure.
Background
The bearing is an important part in mechanical equipment, and the main function of the bearing is to support a mechanical rotating body and reduce the friction coefficient in the movement process of the mechanical rotating body; the bearing on the mining machinery is generally large in size, a double-row roller bearing is commonly used, and through holes of inner rings of part of the double-row roller bearing are tapered holes; generally, a conical surface matched with a conical hole is turned on a rotating shaft for installation; in prior art, the cooperation between bearing inner race and the pivot is interference fit, when installing the bearing, needs the manual work to strike the bearing through controlling the hammer to install the pivot with the bearing on, but, strikes the bearing through the hammer and can make the bearing produce the damage and make bearing atress uneven easily, also appears the condition that the assembly is not in place easily, can influence the life of bearing.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bearing assembly structure aims at solving and makes the uneven problem that just assembles not in place easily of bearing atress owing to strike the bearing when the assembly bearing.
In order to achieve the above object, the utility model adopts the following technical scheme: providing a bearing assembling structure, which comprises an installing sleeve, a fastening assembly and a pushing assembly; the mounting sleeve is used for being connected with the rotating shaft in a sliding mode, the outer wall of the mounting sleeve is a conical surface matched with the conical hole of the double-row roller bearing, the mounting sleeve is used for continuously measuring the bearing clearance in the process of sliding into the conical hole through manpower, and the sliding is stopped after the bearing clearance meets the requirement; the fastening assembly is used for fixing the sliding mounting sleeve on the rotating shaft; the pushing assembly is arranged on the rotating shaft and used for pushing the mounting sleeve and pushing the mounting sleeve into a conical hole of the double-row roller bearing.
As another embodiment of this application, be equipped with the keyway on the installation cover, be the key-type connection between installation cover and the pivot.
As another embodiment of the application, the rotating shaft is provided with an installation part, and the installation part is provided with an external thread; the diameter of installation department be less than the pivot with the diameter of installation cover junction, fastening components including be used for with the fastening block of the tip butt of installation cover, offer on the fastening block and be used for carrying out the internal thread hole that cooperates with the external screw thread of installation department.
As another embodiment of the application, after the installation sleeve is fixed with the rotating shaft, part of the installation sleeve is positioned outside the double-row roller bearing and is provided with external threads for being in threaded connection with a nut so as to disassemble the installation sleeve.
As another embodiment of the present application, the pushing assembly includes a fixed plate and a hydraulic cylinder disposed on the fixed plate, and the fixed plate is used for being fixed at an end of the rotating shaft; the hydraulic cylinder is connected with the fixing plate, a piston rod of the hydraulic cylinder is used for contacting with the installation sleeve, and the installation sleeve is jacked into the double-row roller bearing.
As another embodiment of this application, the pneumatic cylinder is a plurality of, and a plurality of the pneumatic cylinder is in the circumferencial direction equipartition of installation cover.
As another embodiment of this application, the top pushes away the subassembly and still includes the slip ring, the slip ring be used for with pivot sliding connection, and one end be used for with the tip butt of installation cover, the other end with the piston rod butt of pneumatic cylinder.
As another embodiment of the present application, the sliding ring is provided with an insertion hole for inserting the piston rod of the hydraulic cylinder.
As another embodiment of the application, the sliding ring is provided with a threaded hole used for being communicated with the insertion hole, the threaded hole is provided with a tightening bolt, and the tightening bolt is used for tightening a piston rod of the hydraulic cylinder.
As another embodiment of the present application, the fixing plate is used to be connected with the end of the rotating shaft through a bolt.
The utility model provides a pair of bearing assembly structure's beneficial effect lies in: compared with the prior art, the mounting sleeve is pushed into the tapered hole of the double-row roller bearing through the pushing assembly, and the bearing clearance is continuously measured in the pushing process, so that the bearing clearance can meet the requirement, the bearing is convenient to mount in place, and the service life of the bearing is convenient to prolong; when the double-row roller bearing is installed, the double-row roller bearing is installed in the bearing hole, and because the diameter of the rotating shaft is smaller than that of the inner ring of the double-row roller bearing, one end of the rotating shaft penetrates through the inner ring of the double-row roller bearing, and the position of the rotating shaft is fixed; sleeving the installation sleeve on the rotating shaft, and pushing the installation sleeve through a pushing assembly arranged at the end part of the rotating shaft so as to push the installation sleeve into a tapered hole of the inner ring of the double-row roller bearing; in the process of pushing the mounting sleeve, the bearing clearance is measured continuously by manpower; after the bearing clearance meets the installation requirement, the pushing assembly stops pushing the installation sleeve, the pushing assembly is detached from the rotating shaft, and the installation sleeve is fixed on the rotating shaft through the fastening assembly, so that the installation sleeve is conveniently fixed at the position after sliding; the installation sleeve is pushed, so that damage to the bearing can be reduced, and the bearing is convenient to use.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described 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 without creative efforts.
Fig. 1 is a schematic structural diagram of a bearing assembly structure according to an embodiment of the present invention;
fig. 2 is a schematic view of a mounting sleeve portion of a bearing assembly structure according to an embodiment of the present invention;
fig. 3 is a cross-sectional view of a mounting sleeve portion of a bearing assembly structure according to an embodiment of the present invention;
fig. 4 is a schematic view of the fastening block and the mounting sleeve of the bearing assembly structure provided by the embodiment of the present invention.
In the figure: 1. installing a sleeve; 11. a keyway; 2. a pushing assembly; 21. a fixing plate; 22. a hydraulic cylinder; 221. a piston rod; 23. a slip ring; 231. inserting holes; 232. jacking the bolt; 3. a rotating shaft; 31. an installation part; 4. and (5) fastening the block.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 4, a bearing assembly structure according to the present invention will be described. A bearing assembling structure comprises an installation sleeve 1, a fastening assembly and a pushing assembly 2; the mounting sleeve 1 is used for being connected with the rotating shaft 3 in a sliding mode, the outer wall of the mounting sleeve is a conical surface matched with a conical hole of the double-row roller bearing, the mounting sleeve is used for continuously measuring the bearing clearance in the process of sliding into the conical hole through manpower, and sliding is stopped after the bearing clearance meets the requirement; the fastening assembly is used for fixing the sliding mounting sleeve 1 on the rotating shaft 3; the pushing assembly 2 is arranged on the rotating shaft 3 and used for pushing the mounting sleeve 1 and pushing the mounting sleeve 1 into a conical hole of the double-row roller bearing.
Compared with the prior art, the bearing assembling structure provided by the utility model has the advantages that the mounting sleeve 1 is pushed into the taper hole of the double-row roller bearing through the pushing assembly 2, and the bearing clearance is continuously measured in the pushing process, so that the bearing clearance can meet the requirement, the bearing can be conveniently installed in place, and the service life of the bearing can be conveniently prolonged; when the double-row roller bearing is installed, the double-row roller bearing is installed in a bearing hole, and because the diameter of the rotating shaft 3 is smaller than that of an inner ring of the double-row roller bearing, one end of the rotating shaft 3 penetrates through the inner ring of the double-row roller bearing and fixes the position of the rotating shaft 3; sleeving the installation sleeve 1 on the rotating shaft 3, and pushing the installation sleeve 1 through a pushing assembly 2 arranged at the end part of the rotating shaft 3, so that the installation sleeve 1 is pushed into a conical hole of an inner ring of the double-row roller bearing; in the process of pushing the mounting sleeve 1, the bearing clearance is measured continuously by manpower; after the bearing clearance meets the installation requirement, the pushing assembly 2 stops pushing the installation sleeve 1, the pushing assembly 2 is detached from the rotating shaft 3, and the installation sleeve 1 is fixed on the rotating shaft 3 through the fastening assembly, so that the installation sleeve 1 is conveniently fixed at the position after sliding; through pushing away the installation cover 1, also can reduce the damage to the bearing, the use of the bearing of being convenient for.
As a specific embodiment of the bearing assembly structure provided by the present invention, please refer to fig. 1 to 4, a key slot 11 is provided on the mounting sleeve 1, and the mounting sleeve 1 is connected with the rotating shaft 3 by a key; the key groove 11 on the mounting sleeve 1 is a through groove, and the key groove 11 is also arranged on the rotating shaft 3; the mounting sleeve 1 is connected with the rotating shaft 3 through a key, so that on one hand, the connection between the mounting sleeve 1 and the rotating shaft 3 can be enhanced, and the mounting sleeve 1 and the rotating shaft 3 rotate together; on the other hand, when the installation is carried out, the installation sleeve 1 can slide along the direction of the key groove 11, so that the installation sleeve 1 is convenient to guide, and the installation of the installation sleeve 1 between the rotating shaft 3 and the bearing is convenient.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, an installation portion 31 is disposed on the rotating shaft 3, and an external thread is disposed on the installation portion 31; the diameter of the mounting part 31 is smaller than that of the joint of the rotating shaft 3 and the mounting sleeve 1, the fastening assembly comprises a fastening block 4 which is abutted against the end part of the mounting sleeve 1, and an internal thread hole which is matched with the external thread of the mounting part 31 is formed in the fastening block 4; installation department 31 fixed connection is in pivot 3, after the bearing play meets the requirements, will push away subassembly 2 and pull down from pivot 3 to with fastening block 4 and 31 screw-thread fit of installation department, make the one end of fastening block 4 and the outside end butt of installing sleeve 1, be convenient for fix the position of installing sleeve 1 after the installation, thereby be convenient for improve the installation quality, can improve the life of bearing.
As a specific implementation manner of the embodiment of the present invention, referring to fig. 1 to 4, after the mounting sleeve 1 is fixed to the rotating shaft 3, a portion of the mounting sleeve 1 is located outside the double-row roller bearing and is provided with an external thread for being connected with a nut thread to detach the mounting sleeve 1; when the bearing needs to be replaced, the fastening block 4 is detached from the mounting part 31, and the mounting sleeve 1 is clamped in the inner ring of the double-row roller bearing, so that the detachment is inconvenient; through the matching of the nut and the external thread of the mounting sleeve 1, the nut can only move along the axial direction of the mounting sleeve 1 at the beginning; the nut continues to rotate after the one end of nut and the one end laminating of bearing, because the terminal surface butt of nut and bearing and unable axis direction along the installation cover 1 move, consequently, can only install the cover 1 and move along its self axis direction to dismantle installation cover 1, so that change the bearing.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, the pushing assembly 2 includes a fixing plate 21 and a hydraulic cylinder 22 disposed on the fixing plate 21, the fixing plate 21 is used for being fixed at the end of the rotating shaft 3; the hydraulic cylinder 22 is connected with the fixed plate 21, and a piston rod 221 of the hydraulic cylinder 22 is used for contacting the installation sleeve 1 and pushing the installation sleeve 1 into the double-row roller bearing; the cylinder barrel of the hydraulic cylinder 22 is fixedly connected with the fixing plate 21, and the axis of the hydraulic cylinder 22 is parallel to the axis of the mounting sleeve 1; when assembling the bearing, fixing the fixing plate 21 at the end of the rotating shaft 3, pushing the mounting sleeve 1 through the piston rod 221 of the hydraulic cylinder 22, in the process of pushing the mounting sleeve 1, continuously measuring the bearing clearance through manpower, after the bearing clearance meets the requirement, stopping pushing the mounting sleeve 1 by the hydraulic cylinder 22, and detaching the fixing plate 21 from the rotating shaft 3; through fastening block 4 and installation department 31 threaded connection, fix the position after the installation with installation cover 1 to make the bearing installation target in place, can improve the life of bearing.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, the number of the hydraulic cylinders 22 is several, and the hydraulic cylinders 22 are uniformly distributed in the circumferential direction of the mounting sleeve 1; the hydraulic cylinders 22 are uniformly arranged in the circumferential direction of the mounting sleeve 1, so that when the mounting sleeve 1 is pushed, the stress of the mounting sleeve 1 is more uniform, and the inclination of the mounting sleeve 1 is reduced, therefore, the mounting sleeve 1 is pushed into a conical hole of the double-row roller bearing.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, the pushing assembly 2 further includes a sliding ring 23, the sliding ring 23 is used for being slidably connected to the rotating shaft 3, and one end of the sliding ring 23 is used for abutting against the end of the mounting sleeve 1, and the other end of the sliding ring is abutted against the piston rod 221 of the hydraulic cylinder 22; the sliding ring 23 is positioned between the installation sleeve 1 and the piston rod 221 of the hydraulic cylinder 22, when the installation sleeve 1 is pushed, the pushing force of the piston rod 221 of the hydraulic cylinder 22 acts on the sliding ring 23, so that the sliding ring 23 can provide pushing force for the installation sleeve 1, and the installation sleeve 1 is pushed into a tapered hole of the double-row roller bearing; the sliding ring 23 can increase the contact area between the piston rod 221 of the hydraulic cylinder 22 and the mounting sleeve 1, thereby facilitating the pushing of the mounting sleeve 1.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, the sliding ring 23 is provided with an insertion hole 231 for inserting the piston rod 221 of the hydraulic cylinder 22; the sliding ring 23 is connected with the piston rod 221 through the insertion hole 231, and can guide the direction of the pushing force of the piston rod 221, so that the pushing force of the hydraulic cylinder 22 is convenient to be along the axial direction of the mounting sleeve 1.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, a threaded hole for communicating with the insertion hole 231 is formed on the sliding ring 23, a tightening bolt 232 is arranged on the threaded hole, and the tightening bolt 232 is used for tightening the piston rod 221 of the hydraulic cylinder 22; the threaded hole on the sliding ring 23 is perpendicular to the inserting hole 231, and the piston rod 221 of the hydraulic cylinder 22 is tightly pressed through the pressing nut, so that the connection between the piston rod 221 of the hydraulic cylinder 22 and the sliding ring 23 can be enhanced; during disassembly, the piston rod 221 of the hydraulic cylinder 22 retracts, so that the sliding ring 23 is driven to move conveniently, after the fixed plate 21 is disassembled, the hydraulic cylinder 22 and the sliding ring 23 are disassembled together conveniently, and loss of the sliding ring 23 can be reduced.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, the fixing plate 21 is used for being connected to the end of the rotating shaft 3 through a bolt; when the bearing is installed, the fixing plate 21 is fixed on the rotating shaft 3 through a bolt; after the bearing is installed, the fixing plate 21 can be separated from the rotating shaft 3 by disassembling the bolt; therefore, the fixing plate 21 and the rotating shaft 3 are connected through the bolts, so that the fixing plate 21 can be conveniently detached, and the bearing can be conveniently installed.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A bearing assembling structure, characterized by comprising:
the mounting sleeve (1) is used for being in sliding connection with the rotating shaft (3), the outer wall of the mounting sleeve is a conical surface matched with the conical hole of the double-row roller bearing, and the mounting sleeve is used for continuously measuring the bearing clearance through manpower in the process of sliding into the conical hole and stopping sliding after the bearing clearance meets the requirement;
the fastening assembly is used for fixing the sliding mounting sleeve (1) on the rotating shaft (3); and
and the pushing assembly (2) is arranged on the rotating shaft (3) and used for pushing the mounting sleeve (1) and pushing the mounting sleeve (1) into a conical hole of the double-row roller bearing.
2. A bearing mounting arrangement according to claim 1, wherein the mounting sleeve (1) is provided with a key slot (11), and the mounting sleeve (1) is keyed to the shaft (3).
3. A bearing assembling structure according to claim 2, wherein the rotary shaft (3) is provided with a mounting portion (31), and the mounting portion (31) is provided with an external thread; the diameter of installation department (31) be less than pivot (3) with the diameter of installation cover (1) junction, fastening component including be used for with fastening block (4) of the tip butt of installation cover (1), offer on fastening block (4) and be used for carrying out the internal thread hole that cooperates with the external screw thread of installation department (31).
4. A bearing fitting arrangement according to claim 2, characterised in that after the mounting sleeve (1) has been secured to the shaft (3), a part of the mounting sleeve (1) is located outside the double row roller bearing and is provided with an external thread for screwing with a nut in order to remove the mounting sleeve (1).
5. A bearing assembly structure as claimed in claim 1, wherein said thrust assembly (2) comprises a fixed plate (21) and a hydraulic cylinder (22) arranged on said fixed plate (21), said fixed plate (21) being intended to be fixed to the end of the rotating shaft (3); the hydraulic cylinder (22) is connected with the fixing plate (21), and a piston rod (221) of the hydraulic cylinder (22) is used for contacting the installation sleeve (1) and pushing the installation sleeve (1) into the double-row roller bearing.
6. A bearing mounting arrangement according to claim 5, wherein there are a plurality of said hydraulic cylinders (22), and a plurality of said hydraulic cylinders (22) are arranged circumferentially of said mounting sleeve (1).
7. Bearing assembly according to claim 6, wherein the thrust assembly (2) further comprises a sliding ring (23), the sliding ring (23) being adapted to be slidably connected to the shaft (3) and having one end adapted to abut against the end of the mounting sleeve (1) and the other end adapted to abut against a piston rod (221) of the hydraulic cylinder (22).
8. A bearing assembly according to claim 7, wherein the sliding ring (23) is provided with an insertion hole (231) for insertion of a piston rod (221) of the hydraulic cylinder (22).
9. The bearing assembling structure according to claim 8, wherein the slide ring (23) is provided with a threaded hole for communicating with the insertion hole (231), the threaded hole is provided with a tightening bolt (232), and the tightening bolt (232) is used for tightening the piston rod (221) of the hydraulic cylinder (22).
10. A bearing fitting arrangement according to claim 5, characterised in that the fixing plate (21) is intended to be bolted to the end of the rotor shaft (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021009159.7U CN212553647U (en) | 2020-06-04 | 2020-06-04 | Bearing assembly structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021009159.7U CN212553647U (en) | 2020-06-04 | 2020-06-04 | Bearing assembly structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212553647U true CN212553647U (en) | 2021-02-19 |
Family
ID=74637218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021009159.7U Expired - Fee Related CN212553647U (en) | 2020-06-04 | 2020-06-04 | Bearing assembly structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212553647U (en) |
-
2020
- 2020-06-04 CN CN202021009159.7U patent/CN212553647U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107263042B (en) | Centering rotating device for assembling high-pressure compressor of aero-engine | |
| CN109590713A (en) | Installing and dismounting device for bearing | |
| CN215596222U (en) | Marine bearing of butt locate mode | |
| CN212553647U (en) | Bearing assembly structure | |
| CN201291372Y (en) | Hydraulic assembling-disassembling tapered bore bearing apparatus | |
| CN212552581U (en) | Bearing dismounting device | |
| CN108080925B (en) | Device and method for disassembling outer ring of roller bearing in annular cavity | |
| CN201487069U (en) | Quickly connected coupling with single taper sleeve | |
| CN209783790U (en) | Bearing bush separation clamp | |
| CN110883535B (en) | Synchronous pre-tightening device for linearly arranged bolts | |
| CN210452582U (en) | Bearing installation tool | |
| CN109848917B (en) | Subassembly and bearing decompose instrument | |
| CN211709182U (en) | Swift splitting device of air compressor unit | |
| CN215214649U (en) | Bundling machine roller bearing chamber convenient to install and remove | |
| CN220378529U (en) | Submerged pump bearing device convenient to change | |
| CN219562945U (en) | Water pump impeller dismounting device | |
| CN112510929A (en) | Blind cavity structure interference fit rotor cold-assembling elastic guiding device for assembly | |
| CN111634410A (en) | Convenient small-size rudder cabin interior mounting structure who dismantles | |
| CN218947548U (en) | Portable axial flow fan impeller extracting tool | |
| CN219599392U (en) | Dismounting device for blind hole bearing outer ring | |
| CN214121131U (en) | Angular displacement sensor mounting base | |
| CN117798639B (en) | Bearing press-fitting tool | |
| CN219345497U (en) | Mechanical seal moving ring assembly | |
| CN219255461U (en) | Mounting tool for inner ring of wheel bearing | |
| CN220311778U (en) | Connection structure between rotary oil cylinder and oil distribution disc on lathe spindle box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210219 |