CN217356442U - Novel oil throwing structure for generator bearing - Google Patents

Abstract

The utility model relates to the technical field of generator bearings, in particular to a novel oil throwing structure of a generator bearing, which comprises a front bearing, a rear bearing and a bearing protective sleeve, wherein both ends of the front bearing are detachably connected with a first bearing outer cover, a first oil throwing disc is arranged in the first bearing outer cover, one end of the first bearing outer cover is provided with a first oil through hole, a first oil discharging channel is arranged in the first bearing outer cover, both ends of the rear bearing are detachably connected with a second bearing outer cover, a second oil throwing disc is arranged in the second bearing outer cover, one end of the second bearing outer cover is provided with a second oil through hole, a second oil discharging channel is arranged in the second bearing outer cover, the outer sides of the first oil throwing disc and the second oil throwing disc are respectively provided with a check ring for a shaft, the first bearing outer cover, the second bearing outer cover, the first oil throwing disc, the second oil throwing disc and the check ring for the shaft are detachably mounted with a generator transmission shaft, the oil discharging difficulty of the traditional generator bearing is solved, leads to waste oil accumulation, causes abnormal temperature of a bearing of the generator and influences the normal use of the generator.

Description

Novel oil throwing structure for generator bearing

Technical Field

The application relates to the technical field of generator bearings, and particularly discloses a novel oil throwing structure for a generator bearing.

Background

The bearing structure is used as a connecting device of a static part and a rotating part in the generator, and the quality and the reliability of the bearing structure determine the quality and the service life of the motor. During use, in order to ensure that the bearing is not hindered from rotating, lubricating oil is generally injected between the inner ring and the outer ring of the bearing during the use process of the bearing. After the bearing is used, the problem that oil of the bearing of the generator is difficult to discharge frequently occurs.

The oil extraction difficulty of the existing generator bearing causes the waste oil to be accumulated in the generator bearing, so that the temperature of the generator bearing is abnormal, and the normal operation work of a generator is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve traditional generator bearing and arrange the oil difficulty, lead to waste oil heap, arouse that generator bearing temperature is unusual, influence the problem of the normal use of generator.

In order to achieve the above object, the basic scheme of the utility model provides a novel generator bearing oil slinger structure, which comprises a front bearing for supporting a generator rotating shaft, a rear bearing and bearing protection sleeves respectively in interference fit with the front bearing and the rear bearing, wherein two end faces of the front bearing are detachably connected with a first bearing outer cover, a first oil slinger coaxially connected with one end of the front bearing is arranged in the first bearing outer cover, a first oil through hole is arranged at one end of the first bearing outer cover away from the first oil slinger, a first oil discharge passage for the front bearing is arranged in the first bearing outer cover, a second bearing outer cover is detachably connected with two end faces of the rear bearing, a second oil slinger coaxially connected with one end of the rear bearing is arranged in the second bearing outer cover, a second oil through hole is arranged at one end of the second bearing outer cover away from the second oil slinger, a second oil discharge passage for the front bearing is arranged in the second bearing outer cover, the first oil thrower disc and the second oil thrower disc are respectively provided with a shaft check ring on the outer side, and the first bearing outer cover, the second bearing outer cover, the first oil thrower disc, the second oil thrower disc and the shaft check ring are respectively provided with a front bearing and a rear bearing which are coaxially and detachably arranged on a transmission shaft of the generator.

The principle and effect of this basic scheme lie in:

1. the utility model discloses a set up front bearing, rear bearing and bearing protection cover, be convenient for to the axle of generator axis of rotation stretch end and non-axle stretch end and bearing itself provide support and protection, through first bearing enclosing cover and second bearing enclosing cover, provide the protection for the structure of front bearing and rear bearing.

2. The utility model discloses a set up first logical hydraulic fluid port and second logical hydraulic fluid port, be convenient for inject lubricating oil in to the bearing, through setting up first disc and first oil extraction passageway to and second disc and second oil extraction passageway etc. are convenient for discharge the inside lubricating oil that is detained of generator bearing fast.

3. The utility model discloses a set up the retaining ring for the axle, be convenient for fix first disc and second disc and spacing, prevent that first disc, second disc, front bearing and rear bearing from taking place the bearing and shifting, improved the stability and the reliability of structure.

4. Compared with the prior art, the utility model discloses a set up first logical hydraulic fluid port and second logical hydraulic fluid port, let in lubricating oil in forward bearing and the rear bearing and lubricate, it is lubricated abundant to keep the generator bearing, make bearing temperature resume normal, through setting up first disc, the second disc, first oil discharge passageway and second oil discharge passageway etc. have strengthened waste oil grease discharge capacity, traditional generator bearing oil extraction difficulty has been solved, lead to waste oil pile, arouse that generator bearing temperature is unusual, influence the problem of the normal use of generator.

Further, first oil discharge passageway is including establishing at first bearing enclosing cover inner wall and being located the first separation ring in the first disc outside, establishing the first oil discharge clearance between first separation ring and first disc, establishing the first oil discharge chamber between the terminal surface that first bearing enclosing cover inner end face and first disc are close to the axle and use the retaining ring and establish the first oil discharge opening in first bearing enclosing cover bottom, first logical hydraulic fluid port, first front bearing, first oil discharge clearance, first oil discharge chamber and first oil discharge opening communicate the connection in proper order. Through setting up front bearing and first oil discharge clearance, first oil discharge chamber and first oil discharge mouth and communicate in proper order, be convenient for smooth the discharging of lubricated back of front bearing to prevent the condition that the bearing temperature is unusual that the oil waste pile arouses.

Further, the second oil discharge channel comprises a second blocking ring arranged on the inner wall of the outer cover of the second bearing and positioned outside the second oil thrower, a second oil discharge gap arranged between the second blocking ring and the second oil thrower, a second oil discharge cavity arranged between the inner end face of the outer cover of the second bearing and the end face of the second oil thrower close to the shaft retainer ring, and a second oil discharge port arranged at the bottom of the outer cover of the second bearing, wherein the second oil discharge port, the rear bearing, the second oil discharge gap, the second oil discharge cavity and the second oil discharge port are sequentially communicated and connected. Through setting up rear bearing and second oil extraction clearance, second oil extraction chamber and second oil drain port and communicate in proper order, be convenient for the smooth discharge of lubricating oil after the rear bearing lubrication to prevent the condition that the bearing temperature is unusual that the oil waste is piled up and is aroused.

Furthermore, a fixing ring is arranged on one side of a retainer ring for a shaft of the first oil thrower disc for fixing the front bearing. The shaft retainer ring is fixed through the fixing ring, the first oil thrower disc and the front bearing are further fixed, and normal output work of the shaft extension end is further guaranteed.

Furthermore, the first bearing outer cover and the second bearing outer cover are respectively connected with the end face of the bearing protection sleeve in a coaxial sealing fit mode. Through forming confined space with first bearing enclosing cover and second bearing enclosing cover respectively with between the bearing protection cover, be convenient for to the protection of front bearing and rear bearing structure, still be convenient for to the lubricated operation of front bearing and rear bearing.

Furthermore, one end, far away from the first oil thrower disc, of the first bearing outer cover is provided with a first sealing ring. Through setting up first sealing ring, can prevent that lubricating oil from stretching out the right side outflow of end from the axle, influence the use of generator transmission shaft.

Further, a second sealing ring is arranged at one end, far away from the second oil thrower, of the outer cover of the second bearing. Through setting up the second sealing ring, can prevent that lubricating oil from stretching out from the left side of end, influencing the use of generator transmission shaft.

Further, the front bearing is detachably connected with the first bearing outer cover through a fastener. Through the detachable connection of the front bearing and the first bearing outer cover, the installation and the detachment of the front bearing and the first bearing outer cover are facilitated.

Further, the rear bearing is detachably connected with the outer cover of the second bearing through a fastener. Through the detachable connection of the rear bearing and the outer cover of the second bearing, the mounting and the dismounting of the rear bearing and the outer cover of the second bearing are facilitated.

Further, the bearing protection cover all evenly is equipped with a plurality of mounting holes. Through setting up the mounting hole, the installation of the bearing protection cover of being convenient for, and then the installation of the bearing of being convenient for and the support and the fixed to generator output shaft.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 shows a schematic structural diagram of a novel oil slinging structure of a generator bearing provided by an embodiment of the application.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the objects of the present invention, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.

Reference numerals in the drawings of the specification include: generator axis of rotation 1, front bearing 2, rear bearing 3, bearing protection cover 4, first bearing enclosing cover 5, first oil thrower dish 6, first hydraulic fluid port 7, first sealing ring 8, first separation ring 9, first oil discharge clearance 10, first oil discharge chamber 11, first oil discharge port 12, second bearing enclosing cover 13, second oil thrower dish 14, second hydraulic fluid port 15, second sealing ring 16, second separation ring 17, second oil discharge clearance 18, second oil discharge chamber 19, second oil discharge port 20, retaining ring 21 for the shaft, solid fixed ring 22.

A novel oil throwing structure of a generator bearing is disclosed, and an embodiment is shown in figure 1: the front bearing 2 used for supporting the generator rotating shaft 1, the rear bearing 3 and the bearing protection sleeves 4 respectively in interference fit with the front bearing 2 and the rear bearing 3 are included, the bearing protection sleeves 4 are uniformly provided with four mounting holes, two end faces of the front bearing 2 are detachably connected with a first bearing outer cover 5, the front bearing 2 and the first bearing outer cover 5 are detachably connected through fasteners, a first oil thrower 6 coaxially connected to the left end of the front bearing 2 is arranged in the first bearing outer cover 5, one end, away from the first oil thrower 6, of the first bearing outer cover 5 is provided with a first oil through opening 7, one end, away from the first oil thrower 6, of the first bearing outer cover 5 is further provided with a first sealing ring 8, a first oil discharge channel used for the front bearing 2 is arranged in the first bearing outer cover 5 and comprises a first blocking ring 9 fixedly arranged on the inner wall of the first bearing outer cover 5 and located on the outer side of the first oil thrower 6, a first oil discharge gap 10, which is arranged between the first blocking ring 9 and the first oil thrower 6, The first oil discharge cavity 11 is formed between the inner end face of the first bearing outer cover 5 and the end face, close to the shaft retainer ring 21, of the first oil thrower 6, the first oil discharge port 12 is formed in the bottom of the first bearing outer cover 5, and the first oil through port 7, the first front bearing 2, the first oil discharge gap 10, the first oil discharge cavity 11 and the first oil discharge port 12 are sequentially communicated and connected.

As shown in fig. 1, a second bearing outer cover 13 is detachably connected to two end faces of the rear bearing 3, the rear bearing 3 is detachably connected to the second bearing outer cover 13 through a fastener, a second oil thrower 14 coaxially connected to the right end of the rear bearing 3 is arranged in the second bearing outer cover 13, a second oil through port 15 is arranged at one end of the second bearing outer cover 13 far away from the second oil thrower 14, a second sealing ring 16 is further arranged at one end of the second bearing outer cover 13 far away from the second oil thrower 14, a second oil discharge channel for the front bearing 2 is arranged in the second bearing outer cover 13, the second oil discharge channel comprises a second blocking ring 17 arranged on the inner wall of the second bearing outer cover 13 and located outside the second oil thrower 14, a second oil discharge gap 18 arranged between the second blocking ring 17 and the second oil thrower 14, a second oil discharge cavity 19 arranged between the inner end face of the second bearing outer cover 13 and the end face of the second oil thrower 14 close to the shaft retainer 21, and a second oil discharge port 20 arranged at the bottom of the second bearing outer cover 13, second oil lead 15, rear bearing 3, second oil discharge clearance 18, second oil discharge chamber 19 and second oil discharge port 20 communicate the connection in proper order, first bearing enclosing cover 5 and second bearing enclosing cover 13 are connected with the coaxial sealed laminating of terminal surface of bearing protection cover 4 respectively, first oil thrower dish 6 and the 14 outsides of second oil thrower dish all are equipped with retaining ring 21 for the shaft, retaining ring 21 one side is equipped with solid fixed ring 22 for the shaft of the first oil thrower dish 6 of fixed front bearing 2, first bearing enclosing cover 5, second bearing enclosing cover 13, first oil thrower dish 6, the equal front bearing 2 of second oil thrower dish 14 and the retaining ring 21 for the shaft and the coaxial demountable installation of rear bearing 3 on the generator transmission shaft.

The utility model discloses an among the concrete implementation process, earlier with generator axis of rotation 1, front bearing 2, rear bearing 3, bearing protection cover 4, first bearing enclosing cover 5, second bearing overcoat isotructure coaxial arrangement gets up, then let in lubricating oil in front bearing 2 and the rear bearing 3 respectively through first hydraulic fluid port 7 and second hydraulic fluid port 15 and lubricate, lubricating oil is lubricated through leading bearing 2 and rear bearing 3 inside lubrication back respectively by first oil slinger 6 and second oil slinger 14 through first oil discharge clearance 10 and second oil discharge clearance 18 inflow first oil discharge chamber 11 and second oil discharge chamber 19, flow out by first oil discharge port 12 and second oil discharge port 20 at last, whole structure's lubrication and oil slinger work have been accomplished promptly.

Compared with the prior art, the utility model discloses a set up first logical hydraulic fluid port 7 and second logical hydraulic fluid port 15, it lubricates to let in lubricating oil in forward bearing 2 and the rear bearing 3, it is lubricated abundant to keep the generator bearing, make the bearing temperature resume normally, through setting up first oil thrower 6, second oil thrower 14, first oil discharge clearance 10, first oil discharge chamber 11 and second oil discharge clearance 18, second oil discharge chamber 19 etc., waste grease discharge capacity has been strengthened, traditional generator bearing oil extraction difficulty has been solved, lead to waste oil pile, arouse that generator bearing temperature is unusual, influence the problem of the normal use of generator.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed by the preferred embodiment, it is not limited to the present invention, and any person skilled in the art can make modifications or changes equivalent to the equivalent embodiments by utilizing the above disclosed technical contents without departing from the technical scope of the present invention, but all the modifications, changes and changes of the technical spirit of the present invention made to the above embodiments are also within the scope of the technical solution of the present invention.

Claims (10)

1. The utility model provides a novel bearing of generator gets rid of oily structure which characterized in that: the bearing protection sleeve comprises a front bearing, a rear bearing and a bearing protection sleeve, wherein the front bearing is used for supporting a generator rotating shaft, the bearing protection sleeve is respectively in interference fit with the front bearing and the rear bearing, two end faces of the front bearing are detachably connected with a first bearing outer cover, a first oil thrower is coaxially connected to one end of the front bearing and arranged in the first bearing outer cover, a first oil through hole is formed in one end, away from the first oil thrower, of the first bearing outer cover, a first oil discharge channel for the front bearing is formed in the first bearing outer cover, a second bearing outer cover is detachably connected to two end faces of the rear bearing and arranged in the second bearing outer cover, a second oil thrower is coaxially connected to one end of the rear bearing and arranged in the second bearing outer cover, a second oil through hole is formed in one end, away from the second oil thrower, a second oil discharge channel for the front bearing is arranged in the second bearing outer cover, retaining rings are arranged on the outer sides of the first oil thrower and the second oil thrower, the first bearing outer cover and the second bearing outer cover, The first oil thrower disc, the second oil thrower disc and the shaft retainer ring are coaxially and detachably mounted on a transmission shaft of the generator through front bearings and rear bearings.

2. The novel bearing oil slinger structure of the generator as claimed in claim 1, wherein the first oil drainage channel comprises a first blocking ring arranged on the inner wall of the outer cover of the first bearing and positioned outside the first oil slinger, a first oil drainage gap arranged between the first blocking ring and the first oil slinger, a first oil drainage cavity arranged between the inner end face of the outer cover of the first bearing and the end face of the first oil slinger close to the shaft retainer ring, and a first oil drainage port arranged at the bottom of the outer cover of the first bearing, and the first oil through port, the first front bearing, the first oil drainage gap, the first oil drainage cavity and the first oil drainage port are sequentially connected in a communicating manner.

3. The novel bearing oil slinger structure of the generator as claimed in claim 1, wherein the second oil drainage channel comprises a second blocking ring arranged on the inner wall of the outer cover of the second bearing and positioned outside the second oil slinger, a second oil drainage gap arranged between the second blocking ring and the second oil slinger, a second oil drainage cavity arranged between the inner end face of the outer cover of the second bearing and the end face of the second oil slinger close to the shaft retainer ring, and a second oil drainage port arranged at the bottom of the outer cover of the second bearing, wherein the second oil drainage port, the rear bearing, the second oil drainage gap, the second oil drainage cavity and the second oil drainage port are sequentially connected in a communicating manner.

4. The novel oil slinger structure for the bearing of the generator as claimed in claim 1 or 2, wherein a fixing ring is arranged on one side of a retainer ring for a shaft of the first oil slinger for fixing the front bearing.

5. The novel oil slinging structure for the bearing of the generator as claimed in any one of claims 1 to 3, wherein the first bearing outer cover and the second bearing outer cover are respectively in coaxial sealing fit connection with the end face of the bearing protection sleeve.

6. The novel bearing oil slinging structure of the generator as claimed in claim 5, wherein the end of the first bearing outer cover away from the first oil slinger is provided with a first sealing ring.

7. The novel bearing oil slinging structure for the generator of claim 6, wherein one end of the outer cover of the second bearing, which is far away from the second oil slinging disc, is provided with a second sealing ring.

8. The novel oil slinging structure for the bearing of the generator as claimed in claim 1 or 6, wherein the front bearing is detachably connected with the outer cover of the first bearing through a fastener.

9. The novel bearing oil slinging structure for the generator according to claim 1 or 7, wherein the rear bearing is detachably connected with the outer cover of the second bearing through fasteners.

10. The novel oil slinging structure for the bearing of the generator as claimed in claim 1, wherein the bearing protection sleeves are uniformly provided with a plurality of mounting holes.

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