CN218718238U - Automatic oil collecting device of slewing bearing - Google Patents

Abstract

An automatic oil collecting device of a slewing bearing relates to the technical field of bearing lubricating oil treatment, and comprises an oil scraping plate, an annular oil groove, an oil discharge pipe, an oil collecting tank and a slewing bearing with a vertical axis; the upper end of the inner ring and the lower end of the outer ring of the slewing bearing are respectively and coaxially connected with a slewing upper part and a fixed cylindrical part, the outer ring wall of the annular oil groove is attached and fixed to the inner wall of the fixed cylindrical part, an oil scraping plate which is matched with the width of the inner groove of the annular oil groove in length and can move along the circumferential direction of the annular oil groove is inserted in the annular oil groove, and the oil scraping plate is correspondingly connected with the slewing upper part through a support rod; an oil leakage hole is formed in the bottom of the annular oil groove, the upper end of the oil discharge pipe is correspondingly communicated with the oil leakage hole, the lower end of the oil discharge pipe correspondingly extends into the oil collecting tank, and a heat tracing band is wound on the outer wall of the oil discharge pipe; this automatic oil collecting device can be more high-efficient, clear carry out automatic collection to lubricating oil.

Description

Automatic oil collecting device of slewing bearing

Technical Field

The utility model belongs to the technical field of bearing lubricating oil processing technique and specifically relates to an automatic oil collecting device of slewing bearing is related to.

Background

As is known, a slewing bearing is a large bearing which can simultaneously bear a large comprehensive load such as an axial load, a radial load, an overturning moment and the like, and has a special structure integrating multiple functions such as supporting, rotating, transmitting, fixing and the like, because the bearing is huge, the used lubricating oil amount is also large, and the lubricating effect needs to be maintained for a long time by adding the lubricating oil frequently, if the lubricating oil is not collected in the using process, waste can be caused, and the lubricating oil which flows out and is lost can also cause adverse effects on other parts of equipment and the using environment;

the Chinese utility model patent with the publication number of CN212797278U discloses a well box waste oil collecting mechanism of a pod propeller, wherein a rotary groove is arranged at the inner side of a rotary support, a collecting groove with smaller width is arranged at the bottom of the rotary groove, lubricating oil thrown out by the rotary support can be scraped into the collecting groove by using a scraper in the rotary groove, and finally the lubricating oil is pumped out from the upper part of the collecting groove by using a suction pipe; this prior art has at least the following two drawbacks: firstly, when the rotating speed of the rotary bearing is not so fast, lubricating oil flows out from the wall at a high probability, and the existing structure is not beneficial to collection; secondly, because lubricating oil has certain viscosity, adopt the mode of vacuum suction can not guarantee the clean up.

Disclosure of Invention

In order to overcome not enough in the background art, the utility model discloses a slewing bearing's automatic oil collecting device can be more high-efficient, clear carry out automatic collection to lubricating oil.

In order to achieve the purpose, the utility model adopts the following technical proposal:

an automatic oil collecting device of a slewing bearing comprises an oil scraping plate, an annular oil groove, an oil discharging pipe, an oil collecting tank and the slewing bearing with a vertical axis; the upper end of the inner ring and the lower end of the outer ring of the slewing bearing are respectively and coaxially connected with a slewing upper part and a fixed cylindrical part, the outer ring wall of the annular oil groove is attached and fixed to the inner wall of the fixed cylindrical part, an oil scraping plate which is matched with the width of the inner groove of the annular oil groove in length and can move along the circumferential direction of the annular oil groove is inserted in the annular oil groove, and the oil scraping plate is correspondingly connected with the slewing upper part through a support rod; the oil drain structure is characterized in that an oil leakage hole is formed in the bottom of the annular oil groove, the upper end of the oil drain pipe is correspondingly communicated with the oil leakage hole, the lower end of the oil drain pipe correspondingly penetrates into the oil collecting tank, and a heat tracing band is wound on the outer wall of the oil drain pipe.

Furthermore, the annular oil groove consists of an outer peripheral plate, an inner peripheral plate and a ring bottom plate, and a supporting angle bracket fixed on the inner wall of the fixed cylinder part is arranged on the outer plate surface of the ring bottom plate.

Further, a liquid level measuring device is arranged in the oil collecting tank and is connected with an alarm device through a controller signal.

Further, the bottom of the oil collecting tank is provided with an oil discharge pipe, and an oil discharge valve is installed on the oil discharge pipe.

Furthermore, the lower end of the support rod is correspondingly connected with the middle plate body of the oil scraping plate, and oil scraping bristles are fixed at two ends of the oil scraping plate.

Furthermore, the width of the oil leakage hole is the same as that of the inner groove of the annular oil groove, a cross supporting plate which is parallel to the bottom surface of the oil scraping plate and is perpendicular to the oil scraping plate is fixed in the middle of the surface of the oil scraping plate, and the length of the cross supporting plate is larger than that of the oil leakage hole.

Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:

the utility model discloses an automatic oil collecting device of a slewing bearing, which arranges an annular oil groove below the slewing bearing and adheres to the wall to be arranged on a fixed cylinder piece, thereby being convenient for collecting the flowing lubricating oil; the oil scraping plate is driven by the rotary upper part to feed lubricating oil in the annular oil groove into the oil discharge pipe from the oil leakage hole, then the lubricating oil is guided into the oil collecting tank by means of gravity to be collected, the lubricating oil is heated by the heat tracing band in the guiding and feeding process, the flowability is increased, and the clean degree of collection is further guaranteed.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is an enlarged schematic view of section A of FIG. 1;

fig. 3 is a schematic structural diagram of the connection of the oil scraping plate and the cross-bracing plate in a top view.

In the figure: 1. a slew bearing; 2. a support rod; 3. a revolving upper member; 4. fixing the cylindrical piece; 5. an annular oil groove; 6. a scraper plate; 7. a heat tracing band; 8. an oil discharge pipe; 9. a liquid level measuring device; 10. an oil collecting tank; 11. an oil discharge valve; 12. spanning the supporting plate; 13. and (4) scraping oil bristles.

Detailed Description

In the following description, the technical solutions of the present invention will be described with reference to the drawings in the embodiments of the present invention, it should be understood that, if there are the indicated directions or positional relationships, such as the terms "upper", "lower", "front", "rear", "left", "right", etc., it only corresponds to the drawings of the present invention, and in order to facilitate the description of the present invention, it is not necessary to indicate or imply that the indicated device or element must have a specific direction:

the automatic oil collecting device of the slewing bearing described with reference to fig. 1-3 comprises an oil scraping plate 6, an annular oil groove 5, an oil discharge pipe 8, an oil collecting tank 10 and the slewing bearing 1 with a vertical axis, and the oil collecting device is mainly applied to a use environment in which the axis of the slewing bearing 1 is vertically installed, and can have slight angle deviation, and mainly ensures that most lubricating oil naturally flows downwards under the action of gravity; the upper end of the inner ring and the lower end of the outer ring of the slewing bearing 1 are respectively and coaxially connected with a slewing upper part 3 and a fixed cylindrical part 4, the slewing upper part 3 can rotate along with the inner ring of the slewing bearing 1 under the drive of an external power source, and the fixed cylindrical part 4 is connected with the outer ring of the slewing bearing 1, so that lubricating oil can flow into the fixed cylindrical part 4;

the outer ring wall of the annular oil groove 5 is attached and fixed on the inner wall of the fixed cylindrical part 4, so that lubricating oil flowing down along the inner wall of the fixed cylindrical part 4 can be collected conveniently; according to the requirement, the annular oil groove 5 consists of an outer peripheral plate, an inner peripheral plate and a ring bottom plate, the outer plate surface of the ring bottom plate is provided with a plurality of supporting angle brackets fixed on the inner wall of the fixed cylindrical part 4, and the supporting angle brackets are arranged in a ring manner to ensure the stability of the support; an oil scraping plate 6 which is matched with the width of the inner groove of the annular oil groove 5 in length and can move along the circumferential direction of the annular oil groove 5 is inserted into the annular oil groove 5, the oil scraping plate 6 is correspondingly connected with the rotary upper part 3 through a support rod 2, and when the rotary upper part 3 rotates, the oil scraping plate 6 can also rotate in the annular oil groove 5 to scrape oil; according to the requirements, the lower end of the support rod 2 is correspondingly connected with the middle plate body of the oil scraping plate 6, so that the oil scraping plate 6 is stably stressed, oil scraping bristles 13 are fixed at two ends of the oil scraping plate 6, in order to ensure that the oil scraping plate 6 rotates flexibly and cannot obstruct the rotation of the rotary upper part 3, a certain gap is reserved between the oil scraping plate 6 and the peripheral plate and the inner peripheral plate of the annular oil groove 5, and the oil scraping bristles 13 are soft and compact, so that the gap oil leakage can be prevented; in addition, the width of the oil leakage hole is the same as the width of the inner groove of the annular oil groove 5, so that lubricating oil can completely enter the oil leakage hole when being scraped through the oil leakage hole, but the oil scraping plate 6 is not provided with bottom support when being scraped through the oil leakage hole and is suspended and supported by the support rod 2, therefore, the middle part of the surface of the oil scraping plate 6 can be fixedly provided with a cross support plate 12 which is flush with the bottom surface of the oil scraping plate 6 and is vertical to the oil scraping plate 6, and the length of the cross support plate 12 is greater than that of the oil leakage hole, so that the bottom support is ensured to exist all the time;

an oil leakage hole is formed in the bottom of the annular oil groove 5, the upper end of the oil discharge pipe 8 is correspondingly communicated with the oil leakage hole, the lower end of the oil discharge pipe 8 correspondingly extends into the oil collecting tank 10, a heat tracing band 7 is wound on the outer wall of the oil discharge pipe 8, lubricating oil in the annular oil groove 5 is conveyed into the oil discharge pipe 8 from the oil leakage hole and then guided into the oil collecting tank 10 by means of gravity to be collected, and the lubricating oil is heated by the heat tracing band 7 in the guiding and conveying process, so that the flowability is increased, and the cleanness degree of collection is further guaranteed; according to the requirement, a liquid level measuring device 9 is arranged in the oil collecting tank 10, the liquid level measuring device 9 is connected with an alarm device through a controller signal, and when the liquid level in the oil collecting tank 10 is detected to be a certain degree, the alarm device is controlled to give an alarm to remind personnel of cleaning; further, an oil drain pipe is provided at the bottom of the oil collection tank 10, and an oil drain valve 11 is attached to the oil drain pipe, so that the lubricating oil can be discharged by opening the oil drain valve 11.

Implement slewing bearing's automatic oil collecting device, in 1 use of slewing bearing, lubricating oil can flow down, in flowing into annular oil groove 5 along 4 inner walls of fixed cylinder spare, scraper 6 rotates under the drive at gyration upper part 3, moves along 5 inside grooves of annular oil groove, with the lubricating oil gathering propelling movement in the annular oil groove 5, after the propelling movement arrives the oil leak, lubricating oil gets into in the oil extraction pipe 8, under the heating of companion torrid zone 7, removes to accomplishing the collection in the sump oil tank 10 rapidly.

The details of the present invention not described in detail are prior art, and it will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the scope of the claims.

Claims (6)

1. An automatic oil collecting device of a slewing bearing is characterized in that: the oil collection device comprises an oil scraping plate (6), an annular oil groove (5), an oil discharge pipe (8), an oil collection tank (10) and a rotary bearing (1) with a vertical axis; the upper end of the inner ring and the lower end of the outer ring of the rotary bearing (1) are respectively and coaxially connected with a rotary upper component (3) and a fixed cylindrical component (4), the outer ring wall of the annular oil groove (5) is attached and fixed on the inner wall of the fixed cylindrical component (4), an oil scraping plate (6) which is matched with the inner groove width of the annular oil groove (5) in length and can move along the circumferential direction of the annular oil groove (5) is inserted into the annular oil groove (5), and the oil scraping plate (6) is correspondingly connected with the rotary upper component (3) through a support rod (2); the tank bottom of annular oil groove (5) is equipped with the oil leak hole, the upper end and the oil leak hole of oil extraction pipe (8) correspond the switch-on, the lower extreme of oil extraction pipe (8) corresponds in going deep into sump oil tank (10), the outer wall of oil extraction pipe (8) twines and is equipped with companion's tropical (7).

2. The automatic oil collecting device of a slewing bearing according to claim 1, characterized in that: the annular oil groove (5) consists of an outer peripheral plate, an inner peripheral plate and a ring bottom plate, and a supporting angle bracket fixed on the inner wall of the fixed cylindrical part (4) is arranged on the outer plate surface of the ring bottom plate.

3. The automatic oil collecting device of a slewing bearing according to claim 1, characterized in that: a liquid level measuring device (9) is arranged in the oil collecting tank (10), and the liquid level measuring device (9) is connected with an alarm device through a controller signal.

4. The automatic oil collecting device of a slewing bearing according to claim 1, characterized in that: an oil discharge pipe is arranged at the bottom of the oil collecting tank (10), and an oil discharge valve (11) is installed on the oil discharge pipe.

5. The automatic oil collecting device of a slewing bearing according to claim 1, characterized in that: the lower end of the support rod (2) is correspondingly connected with the middle plate body of the oil scraping plate (6), and oil scraping bristles (13) are fixed at two ends of the oil scraping plate (6).

6. The automatic oil collecting device of a slewing bearing according to claim 1, characterized in that: the width of the oil leakage hole is the same as the width of the inner groove of the annular oil groove (5), the middle part of the surface of the oil scraping plate (6) is fixed with a cross supporting plate (12) which is parallel and level with the bottom surface of the oil scraping plate (6) and is perpendicular to the oil scraping plate (6), and the length of the cross supporting plate (12) is larger than that of the oil leakage hole.

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