CN210949530U

CN210949530U - Sealed double-row self-lubricating thrust cylindrical roller bearing

Info

Publication number: CN210949530U
Application number: CN201921528302.0U
Authority: CN
Inventors: 孙功县
Original assignee: Wafangdian Taipraseodymium Bearing Manufacturing Co ltd
Current assignee: Wafangdian Taipraseodymium Bearing Manufacturing Co ltd
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2020-07-07
Anticipated expiration: 2029-09-16

Abstract

The utility model discloses a sealed biserial self-lubricating thrust cylindrical roller bearing, including thrust cylindrical roller bearing main part, seat circle, holder, roller, shaft collar, sealed enclosing cover, block installation component, lubricating oil subassembly, seal groove and two lip seal rings, be provided with the seat circle on the bottom outer wall of thrust cylindrical roller bearing main part, be provided with the holder on the top inner wall of seat circle, distribute on the both sides inner wall of holder and rotate and install the roller, thrust cylindrical roller bearing main part is located the outer wall of holder top and fixedly installs the shaft collar; the utility model discloses a set up block installation component in sealed enclosing cover department on the basis of the sealed biserial self-lubricating thrust cylindrical roller bearing of tradition, the installation and the dismantlement of the sealed enclosing cover of realization that can be convenient have improved the installation fastness of sealed enclosing cover, are provided with lubricating oil assembly on the bearing, have made things convenient for the replenishment of the inside butter of bearing, play fine lubrication action, have improved the life of bearing.

Description

Sealed double-row self-lubricating thrust cylindrical roller bearing

Technical Field

The utility model relates to a thrust cylinder roller bearing technical field specifically is a sealed biserial self-lubricating thrust cylinder roller bearing.

Background

The cylindrical roller thrust bearing is often combined into a high-rigidity bearing configuration, and can bear heavy load and vibration load without difficulty; the thrust cylindrical roller bearing can be divided into a thrust cylindrical roller and retainer assembly, a shaft ring and a seat ring; thrust cylinder roller bearing is used for bearing heavier axial load, on being used for engineering machine tools such as car more, and thrust cylinder roller bearing structure technology on the market is comparatively perfect, and wherein biserial self-lubricating thrust cylinder roller bearing also is one of them, has better life, wherein application number: 201610466107.4, the structure is relatively perfect, but the mounting structure of the sealing outer cover is relatively simple, the mounting firmness of the sealing outer cover is affected, the mounting process of the sealing outer cover is relatively inconvenient to be unfavorable for the disassembly in the later period, no lubricating oil component is arranged, the supplement of the butter inside is unfavorable, and the later-period lubrication degree is affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sealed biserial self-lubricating thrust cylindrical roller bearing to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: a sealed double-row self-lubricating thrust cylindrical roller bearing comprises a thrust cylindrical roller bearing main body, a seat ring, a retainer, rollers, an axle ring, a sealed outer cover, a clamping installation assembly, a lubricating oil assembly, a sealing groove, a double-lip sealing ring and a counter bore, wherein the seat ring is arranged on the outer wall of the bottom end of the thrust cylindrical roller bearing main body;

the clamping mounting assembly comprises an inserting groove, a matching groove, a spring, a moving block, a connecting rod, a clamping block, a clamping groove and an inserting block, the inserting block is fixedly welded on the outer walls of two sides of the bottom end of the sealing outer cover, the inserting groove is formed in the outer walls of two sides of the seat ring corresponding to the inserting block, the matching groove is formed in the inner wall of the top end of one side of the inserting block, the spring is fixedly welded on the inner wall of the bottom end of the matching groove, the moving block is arranged inside the matching groove above the spring, the connecting rod is fixedly welded on the outer wall of the top end of the moving block, the clamping block is fixedly welded at one end, penetrating through the outer part of the inserting block, of the connecting rod, the clamping groove is formed in the inner wall of one side of the clamping groove corresponding;

lubricating oil assembly includes lubricant duct, screw, sealing bolt and oil blanket sealing washer, the inside that thrust cylinder roller bearing main part is located the holder both sides forms the lubricant duct, the screw has been seted up on one side top inner wall of sealed enclosing cover, the inside spiral shell of screw closes and is connected with sealing bolt, sealing bolt cup joints on being located the outer wall of screw one side and is fixed with the oil blanket sealing washer.

Furthermore, the outer wall of the sealing outer cover, which is positioned at one end of the screw hole, is provided with a counter bore corresponding to the sealing bolt.

Furthermore, the clamping block and the clamping groove are matched components, and the shape of the clamping block and the clamping groove is arc-shaped.

Further, the lubricating oil groove is filled with grease.

Furthermore, seal grooves are formed in the outer walls of the two ends of the seat ring and the outer wall of the two ends of the shaft ring, and double-lip seal rings are clamped inside the seal grooves.

Furthermore, one end of the sealing outer cover is conical, and one end of the sealing outer cover is matched with the conical surface of the shaft ring.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the utility model discloses a, the structure is comparatively compact reasonable, sets up block installation component in sealed enclosing cover department on the basis of the sealed biserial self-lubricating thrust cylinder roller bearing of tradition, and the installation of the sealed enclosing cover of realization that can be convenient and the dismantlement in later stage have improved the installation fastness of sealed enclosing cover, are provided with lubricating oil assembly on the bearing, have made things convenient for the replenishment of the inside butter of bearing, play fine lubrication action, have improved the life of bearing.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a front view of the cutting structure of the present invention;

FIG. 2 is an enlarged view of the area A in FIG. 1;

FIG. 3 is an enlarged view of the structure of the area B in FIG. 1 according to the present invention;

in the figure: 1. a thrust cylindrical roller bearing body; 2. a seat ring; 3. a holder; 4. a roller; 5. a shaft ring; 6. sealing the outer cover; 7. clamping the mounting component; 8. a lubricating oil component; 9. a sealing groove; 10. a double-lip seal ring; 11. a countersunk hole; 71. inserting grooves; 72. a mating groove; 73. a spring; 74. a moving block; 75. a connecting rod; 76. a clamping block; 77. a clamping groove; 78. an insertion block; 81. a lubricating oil groove; 82. a screw hole; 83. a seal bolt; 84. and (5) oil seal sealing rings.

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 efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a sealed double-row self-lubricating thrust cylindrical roller bearing comprises a thrust cylindrical roller bearing body 1, a seat ring 2, a retainer 3, rollers 4, a shaft ring 5, a sealed outer cover 6, a clamping installation assembly 7, a lubricating oil assembly 8, a sealing groove 9, a double-lip sealing ring 10 and a counter sink 11, wherein the outer wall of the bottom end of the thrust cylindrical roller bearing body 1 is provided with the seat ring 2, the inner wall of the top end of the seat ring 2 is provided with the retainer 3, the rollers 4 are distributed and rotatably installed on the inner walls of two sides of the retainer 3, the shaft ring 5 is fixedly installed on the outer wall of the thrust cylindrical roller bearing body 1 above the retainer 3, the end faces of two sides of the seat ring 2 and the shaft ring 5 are sleeved with the sealed outer cover 6, and the bottom end of the sealed outer cover 6 is;

the clamping mounting component 7 comprises an inserting groove 71, a matching groove 72, a spring 73, a moving block 74, a connecting rod 75, a clamping block 76, a clamping groove 77 and an inserting block 78, the inserting blocks 78 are fixedly welded on the outer walls of the two sides of the bottom end of the sealing outer cover 6, the inserting groove 71 is formed in the outer walls of the two sides of the seat ring 2 corresponding to the inserting blocks 78, the matching groove 72 is formed in the inner wall of the top end of one side of each inserting block 78, the spring 73 is fixedly welded on the inner wall of the bottom end of the matching groove 72, the moving block 74 is arranged in the matching groove 72 above the spring 73, the connecting rod 75 is fixedly welded on the outer wall of the top end of the moving block 74, the clamping block 76 is fixedly welded at one end of the connecting rod 75 penetrating through the outer portion of the inserting block 78, the clamping groove 77 is formed in the inner wall of one;

the lubricating oil component 8 comprises a lubricating oil groove 81, a screw hole 82, a sealing bolt 83 and an oil seal ring 84, the lubricating oil groove 81 is formed in the thrust cylindrical roller bearing main body 1 positioned at the two sides of the retainer 3, the screw hole 82 is formed in the inner wall of the top end of one side of the sealing outer cover 6, the sealing bolt 83 is screwed in the screw hole 82, and the oil seal ring 84 is fixedly sleeved on the outer wall of the sealing bolt 83 positioned at one side of the screw hole 82; the outer wall of the outer sealing cover 6 at one end of the screw hole 82 is provided with a countersunk hole 11 corresponding to the sealing bolt 83, so that one end of the sealing bolt 83 is embedded in the countersunk hole 11, and the flatness of the outer sealing cover 6 is ensured; the engaging block 76 and the engaging groove 77 are engaging members, and the engaging block 76 and the engaging groove 77 are arc-shaped, and the arc-shaped structure is favorable for the engagement and the later detachment of the engaging block 76 and the engaging groove 77 in the later period; grease is filled in the lubricating oil groove 81, and a good lubricating effect is achieved through the grease; the outer walls of two ends of the seat ring 2 and the shaft ring 5 are provided with sealing grooves 9, and double-lip sealing rings 10 are clamped and mounted inside the sealing grooves 9, so that the sealing performance inside the bearing is guaranteed; the one end of sealed enclosing cover 6 is the toper, and the one end of sealed enclosing cover 6 and the cooperation of the toper face of shaft collar 5 improve the parcel nature of sealed enclosing cover 6, and this utility model is with the application number: 201610466107.4, wherein when the sealing outer cover 6 is installed, the plug-in block 78 is plugged into the clamping groove 77 of the seat ring 2, the clamping block 76 enters the clamping groove 77 and compresses the spring 73 through the connecting rod 75, when the sealing outer cover 6 is pushed to enable the clamping block 76 to contact the clamping groove 77, the clamping block 76 is clamped into the clamping groove 77 under the action of the spring 73, the installation of the sealing outer cover 6 is realized, only the sealing outer cover 6 needs to be pulled to remove the matching of the clamping block 76 and the clamping groove 77 during later-period disassembly, wherein the grease in the lubricating oil groove 81 of the bearing can be injected through the screw hole 82, the sealing bolt 83 is closed in the later period, good lubrication is achieved, and the service life of the bearing is prolonged.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a sealed biserial self-lubricating thrust cylinder roller bearing, includes thrust cylinder roller bearing main part (1), seat circle (2), holder (3), roller (4), shaft collar (5), sealed enclosing cover (6), block installation component (7), lubricating oil component (8), seal groove (9), two lip sealing washer (10) and counter sink (11), its characterized in that: the outer wall of the bottom end of the thrust cylindrical roller bearing main body (1) is provided with a seat ring (2), the inner wall of the top end of the seat ring (2) is provided with a retainer (3), rollers (4) are distributed and rotatably mounted on the inner walls of two sides of the retainer (3), a shaft ring (5) is fixedly mounted on the outer wall of the thrust cylindrical roller bearing main body (1) above the retainer (3), sealing outer covers (6) are sleeved on the end faces of two sides of the seat ring (2) and the shaft ring (5), and the bottom ends of the sealing outer covers (6) are fixedly connected with the seat ring (2) through clamping mounting components (7);

the clamping mounting component (7) comprises an inserting groove (71), a matching groove (72), a spring (73), a moving block (74), a connecting rod (75), a clamping block (76), a clamping groove (77) and an inserting block (78), the inserting blocks (78) are welded and fixed on the outer walls of the two sides of the bottom end of the outer sealing cover (6), the inserting groove (71) is formed in the outer walls of the two sides of the seat ring (2) corresponding to the inserting blocks (78), the matching groove (72) is formed in the inner wall of the top end of one side of each inserting block (78), the spring (73) is welded and fixed on the inner wall of the bottom end of each matching groove (72), the moving block (74) is arranged inside the matching groove (72) above the spring (73), the connecting rod (75) is welded and fixed on the outer wall of the top end of the moving block (74), and the clamping block (76) is welded and fixed on one end, penetrating through the outer part, a clamping groove (77) is formed in the inner wall of one side of the clamping groove (77) corresponding to the clamping block (76), and a lubricating oil assembly (8) is arranged on the inner wall of the top end of one side of the sealing outer cover (6);

lubricating oil subassembly (8) are including lubrication oil groove (81), screw (82), sealing bolt (83) and oil blanket sealing washer (84), thrust cylinder roller bearing main part (1) is located inside formation lubrication oil groove (81) of holder (3) both sides, screw (82) have been seted up on the one side top inner wall of sealed enclosing cover (6), the internal thread of screw (82) is closed and is connected with sealing bolt (83), sealing bolt (83) are located and cup joint on the outer wall of screw (82) one side and are fixed with oil blanket sealing washer (84).

2. The sealed double row self lubricating thrust cylindrical roller bearing of claim 1, wherein: the outer wall of the sealing outer cover (6) at one end of the screw hole (82) is provided with a counter bore (11) corresponding to the sealing bolt (83).

3. The sealed double row self lubricating thrust cylindrical roller bearing of claim 1, wherein: the clamping block (76) and the clamping groove (77) are matched components, and the clamping block (76) and the clamping groove (77) are arc-shaped.

4. The sealed double row self lubricating thrust cylindrical roller bearing of claim 1, wherein: the lubricating oil groove (81) is filled with grease.

5. The sealed double row self lubricating thrust cylindrical roller bearing of claim 1, wherein: seal grooves (9) are formed in the outer walls of the two ends of the seat ring (2) and the shaft ring (5), and double-lip seal rings (10) are clamped inside the seal grooves (9).

6. The sealed double row self lubricating thrust cylindrical roller bearing of claim 1, wherein: one end of the sealing outer cover (6) is conical, and one end of the sealing outer cover (6) is matched with the conical surface of the shaft ring (5).