CN212055531U - Oil collecting device for slewing bearing - Google Patents
Oil collecting device for slewing bearing Download PDFInfo
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- CN212055531U CN212055531U CN201922451398.1U CN201922451398U CN212055531U CN 212055531 U CN212055531 U CN 212055531U CN 201922451398 U CN201922451398 U CN 201922451398U CN 212055531 U CN212055531 U CN 212055531U
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- oil collecting
- cavity
- slewing bearing
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Abstract
The utility model discloses a slewing bearing technical field's an oil collecting device for slewing bearing, including the step, the top of step is provided with the bearing inner race, the middle part of bearing inner race is provided with the inlet port, the bottom of inlet port is provided with oil feed device, bearing inner race bottom inner wall right-hand member is provided with the oil collecting chamber, the top in oil collecting chamber is provided with interior spacer ring, the top of interior spacer ring is provided with the oil feed passageway, the right side in oil collecting chamber is provided with annular baffle, annular baffle's right side is provided with the oil extraction chamber, and slewing bearing's high-speed rotation can make the inside pressure of bearing rise, and the lubricating oil in the slewing bearing enters into the oil collecting chamber through the oil feed passageway under the high pressure, retrieves lubricating oil, avoids the inside lubricating oil leakage of bearing to the pollution of environment.
Description
Technical Field
The utility model relates to a slewing bearing technical field specifically is an oil collecting device for slewing bearing.
Background
The high-speed rotation of the slewing bearing can increase the temperature and the pressure in the bearing, the pressure in the bearing is increased, the lubricating oil can seep and leak under the action of high pressure, and some leaked lubricating oil is attached to a shaft to pollute the surrounding environment; some chain wastes fall on the conveying chain, so that the whole chain is extremely difficult to clean. To this end, we propose an oil collecting device for a slew bearing.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an oil collecting device for slewing bearing to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an oil collecting device for slewing bearing, includes the step, the top of step is provided with the bearing inner race, the middle part of bearing inner race is provided with the inlet port, the bottom of inlet port is provided with the oil feed device, bearing inner race bottom inner wall right-hand member is provided with the oil collecting chamber, the top in oil collecting chamber is provided with interior spacer ring, the top of interior spacer ring is provided with the oil feed passageway, the right side in oil collecting chamber is provided with annular baffle, the right side of annular baffle is provided with the oil extraction chamber, the top in oil extraction chamber is provided with outer spacer ring, be provided with the ball in the middle of the top of bearing inner race, the outer wall connection of ball has the ball holder, the top of ball is provided with the bearing inner race, the bearing inner race left and right sides all is provided with.
Preferably, the oil inlet device comprises a shell, a fixed plate is arranged on the left side of the inner wall of the shell, a valve core is arranged at the bottom of the fixed plate, a compression spring is arranged inside the valve core, a movable plate is arranged at the bottom of the compression spring, a connecting rod is arranged at the bottom of the movable plate, and a sealing block is arranged at the bottom of the connecting rod.
Preferably, the top of the ball retainer is provided with a dredging surface, and the left end of the dredging surface is provided with a collecting groove.
Preferably, the middle part of the end cover is provided with an annular groove, the left side of the bottom of the annular groove is provided with a hole, and the hole is connected with the oil discharge cavity.
Preferably, the oil inlet hole penetrates through the outer ring of the bearing to be connected with the top of the oil inlet device.
Preferably, the bottom of the annular partition plate is provided with a groove, and the oil collecting cavity and the oil discharging cavity are connected through the groove.
Preferably, the bottom of the oil discharge cavity is provided with a channel connected with the oil inlet device
Preferably, the top surface of step is provided with the mounting groove with oil feed device assorted.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the high-speed rotation of slewing bearing can make the inside pressure of bearing rise, and lubricating oil in the slewing bearing enters into the oil collecting cavity through the oil feed passageway under high pressure, and the bottom of annular baffle is provided with the recess, with oil collecting cavity and oil extraction chamber intercommunication, makes lubricating oil discharge through the oil extraction chamber, and the setting in oil extraction chamber can in time discharge the oil that gets into in the oil collecting cavity moreover for the oil pressure of oil collecting cavity is in the safe value.
2. After the bearing stop work, the inside temperature of bearing can descend, and the internal pressure of bearing also can reduce thereupon, and sealed piece receives outside pressure rebound, and lubricating oil lubricates the bearing in entering into the bearing in the inside of through-hole casing under the effect of outside pressure, carries out recycle to lubricating oil, avoids causing the unnecessary waste.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the position A of the present invention;
fig. 3 is a schematic structural view of the oil feeding device of the present invention;
FIG. 4 is a schematic structural view of the ball retainer of the present invention;
fig. 5 is a schematic view of the end cap structure of the present invention.
In the figure: the oil inlet device comprises a lower bearing seat 1, a bearing outer ring 2, an oil inlet hole 3, an oil inlet device 4, a shell 41, a fixed plate 42, a valve core 43, a compression spring 44, a moving plate 45, a connecting rod 46, a sealing block 47, balls 5, an oil collecting cavity 6, an inner spacer ring 7, an oil inlet channel 8, an annular partition plate 9, an oil discharging cavity 10, an outer spacer ring 11, a ball retainer 12, a guide surface 121, a groove 122, a bearing inner ring 13, a bearing end cover 14, an annular groove 141, a hole 142 and a bearing seat 15.
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. 1-5, the present invention provides a technical solution: an oil collecting device for a rotary bearing comprises a lower bearing seat 1, wherein a bearing outer ring 2 is arranged at the top of the lower bearing seat 1, an oil inlet hole 3 is formed in the middle of the bearing outer ring 2, an oil inlet device 4 is arranged at the bottom of the oil inlet hole 3, an oil collecting cavity 6 is arranged at the right end of the inner wall of the bottom of the bearing outer ring 2, an inner spacer ring 7 is arranged at the top of the oil collecting cavity 6, an oil inlet channel 8 is arranged at the top of the inner spacer ring 7, an annular partition plate 9 is arranged on the right side of the oil collecting cavity 6, an oil discharging cavity 10 is arranged on the right side of the annular partition plate 9, an outer spacer ring 11 is arranged at the top of the oil discharging cavity 10, a ball 5 is arranged in the middle of the top of the bearing outer ring 2, a ball retainer 12 is connected to the outer wall of the ball 5, a bearing, the high-speed rotation of the slewing bearing can enable the pressure inside the bearing to be increased, lubricating oil in the slewing bearing enters the oil collecting cavity 6 through the oil inlet channel 8 under high pressure, the inner spacer ring 7 arranged at the top of the oil collecting cavity 6 separates the oil collecting cavity 6 from the inside of the bearing, the problem that the bearing does not rotate is solved, a groove is formed in the bottom end of the annular partition plate 9, the oil collecting cavity 6 is communicated with the oil discharging cavity 10, the lubricating oil discharged from the lubricating oil penetrates into the oil collecting cavity through the oil discharging cavity 10, the lubricating oil which is not timely discharged into the oil collecting cavity 6 through the oil inlet channel with the top of the bearing enters the annular groove 141 formed in the middle of the end cover 14, the annular groove 141 at the bottom of the end cover is communicated with the oil discharging cavity 10, the lubricating oil enters the.
The oil inlet device 4 comprises a shell 41, a fixed plate 42 is arranged on the left side of the inner wall of the shell 41, a valve core 43 is arranged at the bottom of the fixed plate 42, a compression spring 44 is arranged inside the valve core 43, a moving plate 45 is arranged at the bottom of the compression spring 44, a connecting rod 46 is arranged at the bottom of the moving plate 45, a sealing block 47 is arranged at the bottom of the connecting rod 46, oil discharged through the oil discharge cavity 10 enters the oil inlet device 4, after a bearing stops working, the temperature inside the bearing can be reduced, the internal pressure of the bearing can be reduced along with the temperature, and the internal pressure of the bearing is smaller than the external pressure of the bearing, so that the sealing block 47 is moved upwards under the external pressure, and lubricating oil discharged through the oil discharge cavity 10 enters the bearing through the inside of the through hole shell 41 under the action of the external pressure to lubricate the;
the top of the ball retainer 121 is provided with a dredging surface 121, the left end of the dredging surface 121 is provided with a collecting groove 122, the dredging surface 121 can dredge lubricating oil into an oil collecting cavity under the condition that the pressure in the bearing is increased, and can also dredge the lubricating oil added into the bearing to the other side, so that the lubricating speed of the bearing is accelerated;
an annular groove 141 is formed in the middle of the end cover 14, a hole 142 is formed in the left side of the bottom of the annular groove 141, the hole 142 is connected with the oil discharge cavity 10, and lubricating oil which cannot enter the oil collection cavity 6 through the oil inlet channel at the top of the bearing timely enters the oil discharge cavity through the annular groove 141 and the hole 142;
the oil inlet hole 3 penetrates through the bearing outer ring 2 and is connected with the top of the oil inlet device 4;
the bottom of the annular partition plate 9 is provided with a groove which connects the oil collecting cavity 6 with the oil discharging cavity 10, so that the lubricating oil in the oil collecting cavity 6 is discharged through the oil discharging cavity 10, and the oil discharging cavity 10 can discharge the oil entering the oil collecting cavity 6 in time, so that the oil pressure in the oil collecting cavity 6 is within a safe value;
the bottom of the oil discharge cavity 10 is provided with a channel connected with the oil inlet device 4;
the top surface of step 1 is provided with the mounting groove with oil feed device 4 assorted.
The working principle is as follows: when the rotary bearing runs at high speed, the pressure in the bearing is increased by the high-speed rotation of the rotary bearing, lubricating oil in the rotary bearing enters the oil collecting cavity 6 through the oil inlet channel 8 under high pressure, the inner spacer ring 7 arranged at the top of the oil collecting cavity 6 separates the oil collecting cavity 6 from the inside of the bearing, a groove is arranged at the bottom end of the annular partition plate 9 to communicate the oil collecting cavity 6 with the oil discharging cavity 10 under the condition that the bearing does not run, the lubricating oil discharged from the oil discharging cavity 10 permeates into the oil collecting cavity, and the lubricating oil which does not timely enter the oil collecting cavity 6 through the oil inlet channel with the top of the bearing enters the annular groove 141 arranged at the middle part of the end cover 14, the annular groove 141 at the bottom of the end cover is communicated with the oil discharging cavity 10, the lubricating oil enters the oil discharging cavity 10, the oil discharged from the oil discharging cavity 10 enters the oil inlet device 4, the temperature inside the bearing will drop, the internal pressure of the bearing will also drop along with it, and because the pressure inside the bearing is less than the pressure outside the bearing, the sealing block 47 is moved upward by the external pressure, and the lubricating oil entering the oil inlet device 4 through the oil discharged from the oil discharge chamber 10 enters the bearing through the inside of the through hole housing 41 under the effect of the external pressure, so as to lubricate the bearing.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an oil catcher for slewing bearing, includes step (1), its characterized in that: the bearing device is characterized in that a bearing outer ring (2) is arranged at the top of the lower bearing seat (1), an oil inlet (3) is arranged in the middle of the bearing outer ring (2), an oil inlet device (4) is arranged at the bottom of the oil inlet (3), an oil collecting cavity (6) is arranged at the right end of the inner wall of the bottom of the bearing outer ring (2), an inner spacer ring (7) is arranged at the top of the oil collecting cavity (6), an oil inlet channel (8) is arranged at the top of the inner spacer ring (7), an annular partition plate (9) is arranged on the right side of the oil collecting cavity (6), an oil discharging cavity (10) is arranged on the right side of the annular partition plate (9), an outer spacer ring (11) is arranged at the top of the oil discharging cavity (10), a ball (5) is arranged in the middle of the top of the bearing outer ring (2), a ball retainer, the bearing is characterized in that end covers (14) are arranged on the left side and the right side of the bearing inner ring (13), and an upper bearing seat (15) is arranged at the top end of the bearing outer ring (2).
2. An oil collecting device for a slewing bearing according to claim 1, characterized in that: the oil inlet device (4) comprises a shell (41), a fixed plate (42) is arranged on the left side of the inner wall of the shell (41), a valve core (43) is arranged at the bottom of the fixed plate (42), a compression spring (44) is arranged inside the valve core (43), a moving plate (45) is arranged at the bottom of the compression spring (44), a connecting rod (46) is arranged at the bottom of the moving plate (45), and a sealing block (47) is arranged at the bottom of the connecting rod (46).
3. An oil collecting device for a slewing bearing according to claim 1, characterized in that: the top of the ball retainer (12) is provided with a guide surface (121), and the left end of the guide surface (121) is provided with a collecting groove (122).
4. An oil collecting device for a slewing bearing according to claim 1, characterized in that: an annular groove (141) is formed in the middle of the end cover (14), a hole (142) is formed in the left side of the bottom of the annular groove (141), and the hole (142) is connected with the oil discharge cavity (10).
5. An oil collecting device for a slewing bearing according to claim 1, characterized in that: and the oil inlet hole (3) penetrates through the bearing outer ring (2) to be connected with the top of the oil inlet device (4).
6. An oil collecting device for a slewing bearing according to claim 1, characterized in that: the bottom of the annular partition plate (9) is provided with a groove, and the oil collecting cavity (6) and the oil discharging cavity (10) are connected through the groove.
7. An oil collecting device for a slewing bearing according to claim 1, characterized in that: the bottom of the oil discharge cavity (10) is provided with a channel connected with the oil inlet device (4).
8. An oil collecting device for a slewing bearing according to claim 1, characterized in that: the top surface of the lower bearing seat (1) is provided with a mounting groove matched with the oil inlet device (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922451398.1U CN212055531U (en) | 2019-12-31 | 2019-12-31 | Oil collecting device for slewing bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922451398.1U CN212055531U (en) | 2019-12-31 | 2019-12-31 | Oil collecting device for slewing bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212055531U true CN212055531U (en) | 2020-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922451398.1U Active CN212055531U (en) | 2019-12-31 | 2019-12-31 | Oil collecting device for slewing bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212055531U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115559990A (en) * | 2022-12-08 | 2023-01-03 | 泉州博易盛科技有限公司 | Ball bearing capable of keeping lubrication |
-
2019
- 2019-12-31 CN CN201922451398.1U patent/CN212055531U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115559990A (en) * | 2022-12-08 | 2023-01-03 | 泉州博易盛科技有限公司 | Ball bearing capable of keeping lubrication |
| CN115559990B (en) * | 2022-12-08 | 2023-03-14 | 泉州博易盛科技有限公司 | Ball bearing capable of keeping lubrication |
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