CN214534020U - Tower body slewing bearing mechanism of marine crane - Google Patents
Tower body slewing bearing mechanism of marine crane Download PDFInfo
- Publication number
- CN214534020U CN214534020U CN202023114975.7U CN202023114975U CN214534020U CN 214534020 U CN214534020 U CN 214534020U CN 202023114975 U CN202023114975 U CN 202023114975U CN 214534020 U CN214534020 U CN 214534020U
- Authority
- CN
- China
- Prior art keywords
- ring body
- inner ring
- outer ring
- circle body
- mounting groove
- 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.)
- Active
Links
Images
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a marine crane body slewing bearing mechanism, including outer circle body and inner circle body, the inner circle body cover is established in the inside of outer circle body, be equipped with the ball passageway between the outer rampart of inner circle body and the inner rampart of outer circle body, slidable mounting has the ball in the ball passageway, install the sealing washer between inner circle body and the outer circle body up end, install the bottom seal circle under inner circle body and the outer circle body between the terminal surface, it is the same with the bottom seal circle structure to go up the sealing washer, seted up the side mounting groove on the outer loop lateral wall of inner circle body and the inner ring lateral wall of outer circle body, seted up the terminal surface mounting groove on the lower terminal surface of inner circle body and the up end of outer circle body. The utility model discloses a set up the side mounting groove on the outer loop lateral wall of inner circle body, the inner ring lateral wall of outer circle body, set up the terminal surface mounting groove on the lower terminal surface of inner circle body, the up end of outer circle body, lower seal circle and top seal can carry out good sealing between outer circle body and the inner circle body.
Description
Technical Field
The utility model relates to a hoist technical field specifically is a marine crane tower body slewing bearing mechanism.
Background
The slewing bearing is also called a slewing bearing, and is also called a rotary bearing or a rotary support. The slewing bearing is a large bearing capable of bearing comprehensive load, can simultaneously bear larger axial and radial loads and overturning moment, is widely applied in the actual industry, is called as a joint of a machine, and is an important transmission element required by machinery which needs to do relative slewing motion between two objects and simultaneously bear axial force, axial force and overturning moment. With the rapid development of the mechanical industry, the slewing bearing is widely applied to the industries such as ship equipment, engineering machinery, light industrial machinery, metallurgical machinery, medical machinery, industrial robots, tunnel boring machines, playground equipment and the like.
The existing slewing bearing mechanism has a gap between an inner ring and an outer ring, although the sealing ring is used for sealing in a sealing ring case, the sealing ring at the upper position and the lower position is only connected with one of the components, so that the gap is easy to appear, the sealing effect is poor, and therefore the tower body slewing bearing mechanism of the marine crane is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a marine crane body of tower slewing bearing mechanism 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 tower body slewing bearing mechanism of a marine crane comprises an outer ring body and an inner ring body, wherein the inner ring body is sleeved in the outer ring body, a ball channel is arranged between the outer ring wall of the inner ring body and the inner ring wall of the outer ring body, balls are arranged in the ball channel in a sliding way, a plurality of groups of balls are uniformly arranged, an upper sealing ring is arranged between the upper end surfaces of the inner ring body and the outer ring body, a lower sealing ring is arranged between the lower end surfaces of the inner ring body and the outer ring body, the upper sealing ring and the lower sealing ring have the same structure, side surface mounting grooves are arranged on the outer ring side wall of the inner ring body and the inner ring side wall of the outer ring body, end surface mounting grooves are arranged on the lower end surface of the inner ring body and the upper end surface of the outer ring body, the lower sealing ring and the upper sealing ring are arranged on the side surface mounting groove and the end surface mounting groove, and the inner ring body is provided with an oil injection nozzle communicated with the ball passage.
Furthermore, one end of the upper sealing ring is connected to the side face mounting groove of the outer ring body, and the other end of the upper sealing ring is connected to the end face mounting groove of the inner ring body.
Furthermore, one end of the lower sealing ring is connected in the end face mounting groove of the outer ring body, and the other end of the lower sealing ring is connected in the side face mounting groove of the inner ring body.
Furthermore, an outer ring mounting hole and an outer ring positioning through hole are formed in the outer ring body, and the outer ring mounting hole and the outer ring positioning through hole are arranged around the axis of the outer ring body.
Furthermore, an inner ring positioning through hole and an inner ring mounting hole are formed in the inner ring body, and the inner ring positioning through hole and the inner ring mounting hole are arranged around the axis of the inner ring body.
Furthermore, the outer ring body is provided with a limiting through hole below the ball channel, and the inner ring body is provided with a limiting blind hole below the ball channel.
Compared with the prior art, the utility model discloses the beneficial effect who reaches is:
1. the utility model discloses an outer loop lateral wall at the inner circle body, set up the side mounting groove on the inner ring lateral wall of outer circle body, including the lower terminal surface of inner circle body, set up the terminal surface mounting groove on the up end of outer circle body, insert the side mounting groove of outer circle body with the one end of top seal circle during the installation, the other end of top seal circle inserts in the terminal surface mounting groove of inner circle body, connect the one end of bottom seal circle in the terminal surface mounting groove of outer circle body, the other end is connected in the side mounting groove of inner circle body, bottom seal circle and top seal circle after the installation can carry out good sealing between outer circle body and the inner circle body, make sealed effectual.
2. The utility model discloses a below that lies in the ball passageway at the outer lane body is provided with spacing through-hole, and the below that lies in the ball passageway at the inner lane body simultaneously sets up spacing blind hole, and during the use, usable round pin axle inserts and inserts spacing blind hole behind the spacing through-hole, carries on spacingly to the outer lane body and the inner lane body in the slewing bearing mechanism, makes it when not needing to rotate, remains stable.
3. The utility model discloses a be equipped with outer lane positioning hole on the outer lane body, be provided with inner circle positioning hole on the inner lane body, utilize outer lane positioning hole and inner circle positioning hole to install the location before outer lane body and inner lane body during the use for both when the installation, difficult emergence dislocation phenomenon.
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 schematic top view of the present invention;
fig. 2 is a schematic side view of the present invention;
fig. 3 is a schematic sectional structure of the present invention;
fig. 4 is an enlarged schematic structural diagram of a point a in fig. 3 according to the present invention;
in the figure: 1. an outer ring body; 2. an outer ring mounting hole; 3. an outer ring positioning through hole; 4. an inner ring body; 5. an inner ring positioning through hole; 6. an inner ring mounting hole; 7. an oil injection nozzle; 8. a limiting through hole; 9. a limiting blind hole; 10. a ball passage; 11. an upper sealing ring; 12. a ball bearing; 13. a lower seal ring; 14. a side mounting groove; 15. and an end face mounting groove.
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.
Referring to fig. 1-4, the present invention provides a technical solution: a tower body slewing bearing mechanism of a marine crane comprises an outer ring body 1 and an inner ring body 4, wherein the inner ring body 4 is sleeved inside the outer ring body 1, a ball channel 10 is arranged between the outer ring wall of the inner ring body 4 and the inner ring wall of the outer ring body 1, balls 12 are arranged in the ball channel 10 in a sliding mode, multiple groups of balls 12 are evenly arranged on the balls 12, an upper sealing ring 11 is arranged between the upper end face of the inner ring body 4 and the upper end face of the outer ring body 1, a lower sealing ring 13 is arranged between the lower end face of the inner ring body 4 and the lower end face of the outer ring body 1, the upper sealing ring 11 and the lower sealing ring 13 are identical in structure, side face mounting grooves 14 are formed in the outer ring side wall of the inner ring body 4 and the inner ring side wall of the outer ring body 1, end face mounting grooves 15 are formed in the lower end face of the inner ring body 4 and the upper end face of the outer ring body 1, and the lower sealing ring 13 and the upper sealing ring 11 are mounted in the side face mounting grooves 14, And an oil injection nozzle 7 communicated with the ball passage 10 is arranged on the inner ring body 4 on the end face mounting groove 15.
Preferably, one end of the upper seal ring 11 is connected to the side surface mounting groove 14 of the outer ring body 1, and the other end of the upper seal ring 11 is connected to the end surface mounting groove 15 of the inner ring body 4, so that the upper seal ring 11 is mounted.
Preferably, one end of the lower seal ring 13 is connected to the end surface mounting groove 15 of the outer ring body 1, and the other end of the lower seal ring 13 is connected to the side surface mounting groove 14 of the inner ring body 4, so that the lower seal ring 13 is mounted.
Preferably, be equipped with outer lane mounting hole 2 and outer lane positioning hole 3 on the outer lane body 1, outer lane mounting hole 2 and outer lane positioning hole 3 set up round the axis of outer lane body 1, be provided with inner circle positioning hole 5 and inner circle mounting hole 6 on the inner lane body 4, inner circle positioning hole 5 and inner circle mounting hole 6 set up round the axis of inner lane body 4, and it can be fixed outer lane body 1 and inner lane body 4 to utilize the location sheath to insert outer lane positioning hole 3 and inner circle positioning hole 5 for both are difficult for taking place the dislocation phenomenon when the installation.
Preferably, the outer ring body 1 is provided with a limiting through hole 8 below the ball channel 10, the inner ring body 4 is provided with a limiting blind hole 9 below the ball channel 10, and the outer ring body 1 and the inner ring body 4 are fixed and cannot move relative to each other by inserting the pin shaft into the limiting through hole 9 after being inserted into the limiting through hole 8, so that the outer ring body 1 and the inner ring body 4 in the slewing bearing mechanism are limited and kept stable.
It should be noted that, in the tower slewing bearing mechanism of the marine crane, the side face mounting grooves 14 are arranged on the outer ring side wall of the inner ring body 4 and the inner ring side wall of the outer ring body 1, the end face mounting grooves 15 are arranged on the lower end face of the inner ring body 4 and the upper end face of the outer ring body 1, when in mounting, one end of the upper sealing ring 11 is inserted into the side face mounting groove 14 of the outer ring body 1, and the other end of the upper sealing ring 11 is inserted into the end face mounting groove 15 of the inner ring body 4, so that the upper sealing ring 11 can be mounted, one end of the lower sealing ring 13 is connected into the end face mounting groove 15 of the outer ring body 1, and the other end is connected into the side face mounting groove 14 of the inner ring body 4, so that the lower sealing ring 13 can be mounted, after the lower sealing ring 13 and the upper sealing ring 11 are mounted, the joint of the outer ring body 1 and the inner ring body 4 is sealed by the lower sealing ring 13 and the upper sealing ring 11, and both ends of the lower sealing ring 13 and the upper sealing ring 11 are connected with the outer ring body 1 and the inner ring body 4, the joint of the outer ring body 1 and the inner ring body 4 is seamless, the whole sealing effect is achieved, during installation, the outer ring body 1 and the inner ring body 4 can be fixed by inserting the positioning sheath into the outer ring positioning through hole 3 and the inner ring positioning through hole 5, and when the outer ring body 1 and the inner ring body 4 are installed, the dislocation phenomenon is not prone to occurring, wherein the limiting through hole 8 is formed in the position, below the ball channel 10, of the outer ring body 1, the limiting blind hole 9 is formed in the position, below the ball channel 10, of the inner ring body 4, when rotation is not needed, the pin shaft can be inserted into the limiting through hole 8 and then inserted into the limiting blind hole 9, the outer ring body 1 and the inner ring body 4 are fixed and cannot move relatively, and the outer ring body 1 and the inner ring body 4 in the slewing bearing mechanism are limited and can be kept stable.
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 (6)
1. The utility model provides a marine crane tower slewing bearing mechanism, includes outer circle body (1) and inner circle body (4), its characterized in that: the inner ring body (4) is sleeved inside the outer ring body (1), a ball channel (10) is arranged between the outer ring wall of the inner ring body (4) and the inner ring wall of the outer ring body (1), balls (12) are arranged in the ball channel (10) in a sliding mode, multiple groups of balls (12) are uniformly arranged, an upper sealing ring (11) is arranged between the inner ring body (4) and the upper end face of the outer ring body (1), a lower sealing ring (13) is arranged between the inner ring body (4) and the lower end face of the outer ring body (1), the upper sealing ring (11) and the lower sealing ring (13) are identical in structure, a side face mounting groove (14) is formed in the outer ring side wall of the inner ring body (4) and the inner ring side wall of the outer ring body (1), an end face mounting groove (15) is formed in the lower end face of the inner ring body (4) and the upper end face of the outer ring body (1), and the lower sealing ring (13) and the upper sealing ring (11) are mounted in the side face mounting groove (14), And an oil injection nozzle (7) communicated with the ball passage (10) is arranged on the inner ring body (4) on the end face mounting groove (15).
2. The tower slewing bearing mechanism of the marine crane according to claim 1, wherein: one end of the upper sealing ring (11) is connected to the side face mounting groove (14) of the outer ring body (1), and the other end of the upper sealing ring (11) is connected to the end face mounting groove (15) of the inner ring body (4).
3. The tower slewing bearing mechanism of the marine crane according to claim 1, wherein: one end of the lower sealing ring (13) is connected in the end face mounting groove (15) of the outer ring body (1), and the other end of the lower sealing ring (13) is connected in the side face mounting groove (14) of the inner ring body (4).
4. The tower slewing bearing mechanism of the marine crane according to claim 1, wherein: the outer ring is characterized in that an outer ring mounting hole (2) and an outer ring positioning through hole (3) are formed in the outer ring body (1), and the outer ring mounting hole (2) and the outer ring positioning through hole (3) are arranged around the axis of the outer ring body (1).
5. The tower slewing bearing mechanism of the marine crane according to claim 1, wherein: the inner ring is characterized in that an inner ring positioning through hole (5) and an inner ring mounting hole (6) are formed in the inner ring body (4), and the inner ring positioning through hole (5) and the inner ring mounting hole (6) are arranged around the axis of the inner ring body (4).
6. The tower slewing bearing mechanism of the marine crane according to claim 1, wherein: the outer ring body (1) is provided with a limiting through hole (8) below the ball channel (10), and the inner ring body (4) is provided with a limiting blind hole (9) below the ball channel (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023114975.7U CN214534020U (en) | 2020-12-22 | 2020-12-22 | Tower body slewing bearing mechanism of marine crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023114975.7U CN214534020U (en) | 2020-12-22 | 2020-12-22 | Tower body slewing bearing mechanism of marine crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214534020U true CN214534020U (en) | 2021-10-29 |
Family
ID=78295864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023114975.7U Active CN214534020U (en) | 2020-12-22 | 2020-12-22 | Tower body slewing bearing mechanism of marine crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214534020U (en) |
-
2020
- 2020-12-22 CN CN202023114975.7U patent/CN214534020U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207161537U (en) | A kind of pivoting support bearing of radially installed | |
| CN214534020U (en) | Tower body slewing bearing mechanism of marine crane | |
| CN215762791U (en) | Double-row ball type slewing bearing | |
| CN208845574U (en) | A kind of pivoting support | |
| CN112648287A (en) | Double-row crossed cylindrical roller bearing | |
| CN110985532A (en) | Double-rotation inner ring and outer tooth slewing bearing for blockage removing machine | |
| CN211574027U (en) | Double-rotation inner ring and outer tooth slewing bearing for blockage removing machine | |
| CN213870735U (en) | Bearing convenient to oiling is maintained | |
| CN210003675U (en) | Combined double-external-tooth double-row eccentric thrust angular contact ball slewing bearing | |
| CN209908982U (en) | Internal tooth type four-point contact ball slewing bearing | |
| CN219492859U (en) | Roller type slewing bearing | |
| CN202901005U (en) | Inclined column-type slewing bearing | |
| CN211082554U (en) | Slewing bearing for mechanical transmission | |
| CN219013177U (en) | Deflection raceway type light-weight sealing crossed cylindrical roller bearing | |
| CN205078608U (en) | Light anti - formula slewing bearing that adorns | |
| CN218408186U (en) | Sealing gasket for slewing bearing | |
| CN209743385U (en) | Ball column combined slewing bearing with observation hole | |
| CN216951286U (en) | Slewing bearing capable of bearing large axial force | |
| CN211648802U (en) | Convenient integral type slewing bearing | |
| CN219929476U (en) | Three-row roller slewing bearing for large crawler crane | |
| CN216922877U (en) | Closed angular contact bearing | |
| CN212336997U (en) | Engineering vehicle door hinge | |
| CN218093888U (en) | Combined roller bearing | |
| CN213359978U (en) | Transmission case, power head and rotary drilling rig | |
| CN217951011U (en) | Detachable slewing bearing of raceway |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |