CN209823565U - Device for improving oil discharge of high-voltage motor bearing - Google Patents

Abstract

An apparatus for improving oil drainage from a high-voltage motor bearing, comprising: outer tegillum of roll formula bearing motor, outer tegillum oil drain port, oil extraction device installation guide slot, manual oil extraction device, old oil collector, manual oil extraction ware and manual oil extraction telescopic link, its characterized in that: the outer small cover oil discharge port is arranged at the lower end of the outer small cover of the rolling bearing motor, the outer small cover oil discharge port is communicated with the outer small cover of the rolling bearing motor, the manual oil discharge device is arranged at the lower end of the outer small cover oil discharge port, the manual oil discharger is arranged in the old oil collector, the manual oil discharge telescopic rod is arranged on one side of the manual oil discharger, and the manual oil discharge telescopic rod and the manual oil discharger are fixedly connected with each other. The utility model discloses can make things convenient for maintainer to judge the bearing wearing and tearing condition through exhaust old oil colour to formulate scientific and reasonable's maintenance cycle, and use the utility model discloses can effectively reduce maintainer's operation danger, with the personal safety who guarantees maintainer.

Description

Device for improving oil discharge of high-voltage motor bearing

Technical Field

The utility model is suitable for an oil extraction of large-scale antifriction bearing motor especially relates to a device for improving high-voltage motor bearing oil extraction.

Background

At present, large motors, especially high-voltage motors, are very commonly applied in power generation enterprises, and as important dragging equipment, the large motors generally carry more critical production tasks, and particularly, in a maintenance cycle (generally, in years), the input running time is at least more than 6000 hours, even 7000 hours, so the running conditions of the motors are related to the output condition of the power generation enterprises, and among the motors, the rolling bearing motors are the most common. The rolling bearing is used as an important rotating part of a motor, and the following situations often occur in grease replenishment during daily maintenance, depending on whether the motor can be put into use:

1. after grease is replenished according to the technical standards of motors or manufacturer maintenance guidelines, the bearing temperature is high and constant, and may be higher than 70 ℃, for a long time (more than 24 hours, some even as long as 3-5 days).

2. Carry out the grease supply according to above-mentioned mode equally, after several refuels cycle, all do not see the old oil replacement of new oil with the bearing inside out, only under long-term high temperature effect, some grease just can melt for liquid, flows to the oil extraction pipe by oneself, and maintainer can't judge the bearing wearing and tearing condition through the grease colour.

3. When some extreme conditions occur, for example, an oil film of a rolling bearing is not formed all the time, the bearing rises to a value close to an alarm value (85 ℃) in a short time, but the shutdown treatment cannot be carried out in order to ensure that the load of a power grid cannot be carried out, a large amount of new oil is needed to carry out emergency replacement on the failed old oil in the bearing so as to reduce the temperature of the bearing, the expected effect cannot be achieved if the oil discharge of a bearing end cover is not smooth, when the extreme conditions occur, the old oil at an oil discharge port is often needed to be deducted manually, at the moment, an operator is close to a rotating machine, and high potential safety hazards exist.

Present oil extraction device relies on the screw thread to fix on the outer little lid of motor usually, but because the opening undersize, easily causes the oil extraction not smooth, the problem that the bearing temperature is high for a long time, appears when above-mentioned extreme condition simultaneously, when needing the old oil of artifical deduction oil drain department, the operating personnel has higher danger.

Therefore, there is a need for an oil drainage device for a high-voltage motor bearing, which can solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of the above problem, the utility model aims at providing a device for improving high-voltage motor bearing oil extraction, the utility model provides a present large-scale roll formula bearing motor exist because the oil extraction is not smooth to cause the problem that motor bearing temperature is too high for a long time, and the life of extension bearing uses moreover the utility model discloses can make things convenient for maintainer to judge the bearing wearing and tearing condition through the old oily colour of discharge to formulate scientific and reasonable's maintenance cycle, and use the utility model discloses can effectively reduce maintainer's operation danger to guarantee maintainer's personal safety.

The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be: an apparatus for improving oil drainage from a high-voltage motor bearing, comprising: outer tegillum of roll formula bearing motor, outer tegillum oil drain port and manual oil extraction device, manual oil extraction device comprises old oil collector, manual oil extraction ware and manual oil extraction telescopic link, its characterized in that: outer tegillum oil drain port is seted up the lower extreme of the tegillum outside the roller bearing motor, outer tegillum oil drain port with communicate each other between the tegillum outside the roller bearing motor, manual oil extraction device installs the lower extreme of outer tegillum oil drain port, manual oil extraction ware is installed the inside of old oil collector, manual oil extraction telescopic link sets up one side of manual oil extraction ware, manual oil extraction telescopic link with mutual fixed connection between the manual oil extraction ware.

Further, an oil discharge device installation guide groove is formed in the oil discharge port of the outer small cover, and the manual oil discharge device is fixedly connected with the oil discharge device installation guide groove.

Further, the transverse dimension of the old oil collector is larger than that of the oil outlet of the outer small cover.

Further, the shape of the manual oil discharger is a rectangular cube.

The utility model has the advantages that: the utility model provides a device for improving oil drainage of a high-voltage motor bearing, which aims to solve the problems existing in the background technology, and can solve the problem of long-term overhigh temperature of the motor bearing caused by unsmooth oil drainage and prolong the service life of the bearing; the maintenance personnel can conveniently judge the bearing abrasion condition through the discharged old oil color so as to make a scientific and reasonable overhaul period; when some extreme situations occur and need to manually deduct the old oil at the oil drain port, the working personnel can use the utility model to clear the old oil at the oil drain port, the utility model is fixedly connected with a manual oil drain telescopic rod at one side of a manual oil drain device, the working personnel can draw the manual oil drain device and the old oil therein out of an old oil collector through the manual oil drain telescopic rod, and after the old oil in the manual oil drain device is cleaned up manually, the old oil collector is installed back to the old oil collector to finish the oil drain work, the utility model solves the problem that the temperature of a motor bearing is overhigh for a long time due to the unsmooth oil drain of the current large rolling type bearing motor, prolongs the service life of the bearing, and can be convenient for maintenance personnel to judge the bearing abrasion condition through the discharged color of the old oil so as to formulate a scientific and reasonable maintenance period, and use the utility model discloses can effectively reduce maintainer's operation danger to guarantee maintainer's personal safety.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

Wherein:

1-small outer cover of rolling bearing motor; 2-oil drain port of small outer cover; 3-installing a guide groove on the oil discharge device;

4-manual oil discharge device; 5-old oil collector; 6-manual oil discharger;

7-manual oil discharge telescopic rod

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that unless otherwise explicitly specified or limited, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

fig. 1 is the structural schematic diagram of the present invention, a device for improving oil drainage of a high voltage motor bearing as shown in fig. 1, including: outer tegillum 1 of roll formula bearing motor, outer tegillum oil drain port 2, oil extraction device installation guide slot 3, manual oil extraction device 4, old oil collector 5, manual oil extraction ware 6 and manual oil extraction telescopic link 7, its characterized in that: the outer small cover oil discharge port 2 is arranged at the lower end of the outer small cover 1 of the rolling bearing motor, the outer small cover oil discharge port 2 is communicated with the outer small cover 1 of the rolling bearing motor, the manual oil discharge device 4 is arranged at the lower end of the outer small cover oil discharge port 2, the manual oil discharge device 6 is arranged in the old oil collector 5, the manual oil discharge telescopic rod 7 is arranged on one side of the manual oil discharge device 6, and the manual oil discharge telescopic rod 7 is fixedly connected with the manual oil discharge device 6.

The working mode is as follows: the utility model provides a device for improving high-tension motor bearing oil extraction, this oil extraction device is by oil extraction device installation guide slot, old oil collector, manual oil expeller and manual oil extraction telescopic link are constituteed, and this oil extraction device's installation guide slot can provide the installation place for old oil collector, makes things convenient for the installation of old oil collector two directions about the level and demolishs, the utility model provides a horizontal size of old oil collector slightly is greater than the horizontal size of outer tegillum oil drain port, just the utility model discloses there is manual oil expeller at the internally mounted of old oil collector, and the shape of manual oil expeller is the cube, and with the mutual fixed connection of manual oil extraction telescopic link, can utilize manual oil extraction telescopic link to make it carry out the removal of horizontal direction in old oil collector.

The utility model discloses when using, after the inside old oil of bearing is replaced, old oil can fall to the manual oil extraction device of constituteing by old oil collector and manual oil discharger through outer tegillum oil drain port in, the maintainer takes out manual oil discharger and wherein old oil from old oil collector through manual oil discharge telescopic link, the manual old oil clean up back with in the manual oil discharger, return old oil collector with manual oil discharger installation, accomplish oil extraction work, furthermore, if the oil extraction device of former motor is arranged oil pipe, then need to install this oil extraction device after processing or changing the outer tegillum of roll formula bearing motor.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (4)

1. An apparatus for improving oil drainage from a high-voltage motor bearing, comprising: outer tegillum of roll formula bearing motor, outer tegillum oil drain port and manual oil extraction device, manual oil extraction device comprises old oil collector, manual oil extraction ware and manual oil extraction telescopic link, its characterized in that: outer tegillum oil drain port is seted up the lower extreme of the tegillum outside the roller bearing motor, outer tegillum oil drain port with communicate each other between the tegillum outside the roller bearing motor, manual oil extraction device installs the lower extreme of outer tegillum oil drain port, manual oil extraction ware is installed the inside of old oil collector, manual oil extraction telescopic link sets up one side of manual oil extraction ware, manual oil extraction telescopic link with mutual fixed connection between the manual oil extraction ware.

2. The apparatus of claim 1, wherein the oil drainage system comprises: an oil discharge device installation guide groove is formed in the oil discharge port of the outer small cover, and the manual oil discharge device is fixedly connected with the oil discharge device installation guide groove.

3. The apparatus of claim 1, wherein the oil drainage system comprises: the transverse dimension of the old oil collector is larger than that of the oil outlet of the outer small cover.

4. The apparatus of claim 1, wherein the oil drainage system comprises: the shape of the manual oil discharger is a rectangular cube.