CN219366601U - Efficient lubricating structure of double-row tapered roller bearing - Google Patents

Abstract

The utility model provides a high-efficient lubricating structure of biserial tapered roller bearing, includes the body, and the body includes outer lane and a plurality of first rotor and a plurality of second rotor, and one side in the outer lane is connected with first inner circle through the rotation of a plurality of first rotor, and the opposite side in the outer lane is connected with the second inner circle through the rotation of a plurality of second rotor, is provided with lubricating structure in the outer lane; the oil storage chamber's both ends are connected with the oil duct respectively, first rotor and second rotor are connected respectively to the other end of two oil ducts, have simple structure, multiple sealed play better sealed effect, can not lead to too big, the temperature rise of frictional force relatively grow because of multiple sealed simultaneously again, because the maze structure and the long scheduling characteristics of length of oil duct, in the relative rotation in-process of outer lane, first inner circle, second inner circle, first rotor and second rotor, lubricating oil can flow out the oil through hole gradually, make first rotor and second rotor can lengthen the time that receives lubrication, reduce the loss because of wearing and tearing produce, mechanical life has been prolonged.

Description

Efficient lubricating structure of double-row tapered roller bearing

Technical field:

the utility model relates to the technical field of bearings, in particular to a high-efficiency lubricating structure of a double-row tapered roller bearing.

The background technology is as follows:

in industries such as automobiles, rolling mills, mines, metallurgy, plastic machinery and the like, matched bearing designs are required, tapered roller bearings are often used, radial and axial combined loads mainly bearing, bearing capacity of the bearing depends on the raceway angle of an outer ring, and the larger the angle is, the larger the bearing capacity is; because single-row tapered roller bearing can not deal with the requirement of high load and high rotation speed, the bearing capacity is lower, and certain influence is exerted on the usability and the service life, currently, most of the single-row tapered roller bearing adopts double-row tapered roller bearings, and a lubricating structure is commonly used in the process of using the double-row tapered roller bearings to lubricate the double-row tapered roller bearings.

At present, a double-row tapered roller bearing with a lubricating structure exists in the market, but the double-row tapered roller bearing also has certain defects, firstly, the amount of the lubricating oil remained in the bearing cannot be determined, so that the lubricating oil is required to be added frequently, and the lubricating structure only reduces the difficulty of lubricating operation, but does not reduce the frequency of the lubricating operation; secondly, the effect of permanent lubrication cannot be achieved.

The utility model comprises the following steps:

in order to solve the problems and overcome the defects of the prior art, the utility model provides the efficient lubrication structure of the double-row tapered roller bearing, which has a simple structure and can realize durable lubrication and reduce the times of filling lubricating oil.

In order to achieve the above purpose, the high-efficiency lubrication structure of the double-row tapered roller bearing comprises a body, wherein the body comprises an outer ring, a plurality of first rotors and a plurality of second rotors, one side inside the outer ring is rotationally connected with a first inner ring through the plurality of first rotors, the other side inside the outer ring is rotationally connected with a second inner ring through the plurality of second rotors, and the lubrication structure is arranged inside the outer ring; the lubricating structure comprises an oil storage cavity, two ends of the oil storage cavity are respectively connected with oil channels, and the other ends of the two oil channels are respectively connected with the first rotor and the second rotor.

Further, the motor further comprises a supporting frame, the first rotor and the second rotor are arranged between the outer ring and the first inner ring or between the second inner ring through the supporting frame, a first cavity for accommodating the first rotor is arranged between the first inner ring and the outer ring, and a second cavity for accommodating the second rotor is arranged between the second inner ring and the outer ring.

Further, the lower surface of outer lane is provided with the oil hole, and the oil hole includes first oil hole and second oil hole, and the both ends of first oil hole are linked together with oil duct and first cavity respectively, and the both ends of second oil hole are linked together with oil duct and second cavity respectively.

Further, the oil passage is provided in a labyrinth structure.

Further, the outside of outer lane still is provided with the through-hole, and the through-hole communicates with the oil storage chamber.

Further, a sealing plug is connected to the through hole in a pluggable manner.

The beneficial effects of the utility model are as follows:

the efficient lubricating structure of the double-row tapered roller bearing has the advantages of simple structure, better sealing effect due to multiple sealing, overlarge friction force and relatively high temperature rise due to multiple sealing, and the like, and lubricating oil can gradually flow out of the oil through holes in the relative rotation process of the outer ring, the first inner ring, the second inner ring, the first rotor and the second rotor due to the characteristics of longer length and the like of an oil duct, so that the time of lubrication of the first rotor and the second rotor can be prolonged, the loss caused by abrasion is reduced, and the service life of machinery is prolonged.

Description of the drawings:

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

in the accompanying drawings: 1. the body, 2, outer lane, 3, first inner circle, 4, second inner circle, 5, first rotor, 6, second rotor, 7, support frame, 8, oil through hole, 9, oil duct, 10, oil storage chamber, 11, sealing plug.

The specific embodiment is as follows:

for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in more detail with reference to fig. 1 of the accompanying drawings.

The utility model provides a high-efficiency lubrication structure of a double-row tapered roller bearing, which comprises a body 1, wherein the body 1 comprises an outer ring 2, a plurality of first rotors 5 and a plurality of second rotors 6, one side in the outer ring 2 is rotationally connected with a first inner ring 3 through the plurality of first rotors 5, the other side in the outer ring 2 is rotationally connected with a second inner ring 4 through the plurality of second rotors 6, and the lubrication structure is arranged in the outer ring 2; the lubricating structure comprises an oil storage cavity 10, wherein two ends of the oil storage cavity 10 are respectively connected with oil channels 9, and the other ends of the two oil channels 9 are respectively connected with a first rotor 5 and a second rotor 6; the motor further comprises a support frame 7, wherein the first rotor 5 and the second rotor 6 are arranged between the outer ring 2 and the first inner ring 3 or the second inner ring 4 through the support frame 7, a first cavity for accommodating the first rotor 5 is formed between the first inner ring 3 and the outer ring 2, and a second cavity for accommodating the second rotor 6 is formed between the second inner ring 4 and the outer ring 2; the lower surface of the outer ring 2 is provided with an oil through hole 8, the oil through hole 8 comprises a first oil through hole 8 and a second oil through hole 8, two ends of the first oil through hole 8 are respectively communicated with an oil duct 9 and a first cavity, and two ends of the second oil through hole 8 are respectively communicated with the oil duct 9 and a second cavity; the oil passage 9 is arranged in a labyrinth structure; the outer part of the outer ring 2 is also provided with a through hole which is communicated with the oil storage cavity 10; a sealing plug 11 is connected to the through hole in a pluggable manner.

One embodiment of the utility model is as follows:

the high-efficiency lubrication structure of the double-row tapered roller bearing comprises a body 1, wherein the body 1 comprises an outer ring 2, a plurality of first rotors 5 and a plurality of second rotors 6, one side inside the outer ring 2 is rotationally connected with a first inner ring 3 through the plurality of first rotors 5, the other side inside the outer ring 2 is rotationally connected with a second inner ring 4 through the plurality of second rotors 6, the first inner ring 3 and the second inner ring 4 are mutually symmetrical, meanwhile, the plurality of first rotors 5 and the plurality of second rotors 6 are mutually symmetrical, a lubrication structure is arranged in the outer ring 2, and the first rotors 5 and the second rotors 6 are permanently lubricated through the lubrication structure;

the lubricating structure comprises an oil storage cavity 10, the oil storage cavity 10 can store redundant lubricating oil, long lubrication time is provided, two ends of the oil storage cavity 10 are respectively connected with an oil duct 9, the other ends of the two oil ducts 9 are respectively connected with a first rotor 5 and a second rotor 6, the oil ducts 9 are arranged to be in a labyrinth structure, and the labyrinth structure can be in a spiral structure, a reverse-word structure and other structural forms. The purpose is to lengthen the walking path, and simultaneously, a through hole is also arranged outside the outer ring 2, the through hole is communicated with the oil storage cavity 10, a sealing plug 11 is connected to the through hole in a pluggable manner, and lubricating oil is added into the oil storage cavity 10 from the through hole. Still include support frame 7, first rotor 5 and second rotor 6 are all installed between outer lane 2 and first inner circle 3 or second inner circle 4 through support frame 7, have the first cavity that is used for holding first rotor 5 between first inner circle 3 and the outer lane 2, have the second cavity that is used for holding second rotor 6 between second inner circle 4 and the outer lane 2, the lower surface of outer lane 2 is provided with oil through hole 8, oil through hole 8 includes first oil through hole 8 and second oil through hole 8, the both ends of first oil through hole 8 are linked together with oil duct 9 and first cavity respectively, the both ends of second oil through hole 8 are linked together with oil duct 9 and second cavity respectively.

At this time, two effects, namely a siphon effect and a pressure difference effect exist in the oil filling hole, wherein the siphon effect means that attraction and potential energy exist between lubricating oil molecules at this time, the attraction force to the interior of the oil duct 9 can be received, and the viscosity characteristic of the lubricating oil is utilized to further enable the lubricating oil to be subjected to the force remained in the oil duct 9; the pressure difference effect is that after the sealing plug 11 is plugged, the lubricating oil is subjected to different pressures at the two ends of the oil through hole 8, so that the lubricating oil stays in the oil duct 9 like a needle tube; however, due to the characteristics of the labyrinth structure, the longer length and the like of the oil duct 9, in the relative rotation process of the outer ring 2, the first inner ring 3, the second inner ring 4, the first rotor 5 and the second rotor 6, lubricating oil gradually flows out of the oil through hole 8, so that the first rotor 5 and the second rotor 6 can be lubricated for a prolonged time, the loss caused by abrasion is reduced, and the service life of the machine is prolonged.

During actual use, in the normal assembly process of the double-row tapered roller bearing, lubricating oil is coated on the first rotor 5 and the second rotor 6, after the double-row tapered roller bearing is installed in place, the lubricating oil is injected into the oil storage cavity 10 through the through hole, and the lubricating oil gradually passes through the oil duct 9 to flow the positions of the first rotor 5 and the second rotor 6, so that the sealing plug 11 is plugged. The lubricating oil in the oil storage cavity 10 can gradually supplement and enter the first rotor 5 and the second rotor 6, so that the effect of long-term lubrication is realized.

In the description of the present utility model, it should be understood that the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, and is merely for convenience in describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and defined otherwise, for example, it may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a high-efficient lubricating structure of biserial tapered roller bearing, includes the body, its characterized in that, the body includes outer lane and a plurality of first rotor and a plurality of second rotor, one side in the outer lane is connected with first inner circle through the rotation of a plurality of first rotor, the opposite side in the outer lane is connected with the second inner circle through the rotation of a plurality of second rotor, be provided with lubricating structure in the outer lane; the lubricating structure comprises an oil storage cavity, two ends of the oil storage cavity are respectively connected with oil channels, and the other ends of the two oil channels are respectively connected with a first rotor and a second rotor; the oil duct is arranged in a labyrinth structure.

2. The efficient lubrication structure of the double-row tapered roller bearing according to claim 1, wherein: the novel motor rotor comprises a motor rotor body, and is characterized by further comprising a supporting frame, wherein the first rotor and the second rotor are both installed between an outer ring and a first inner ring or between a second inner ring through the supporting frame, a first cavity for accommodating the first rotor is formed between the first inner ring and the outer ring, and a second cavity for accommodating the second rotor is formed between the second inner ring and the outer ring.

3. The efficient lubrication structure of the double-row tapered roller bearing according to claim 2, characterized in that: the lower surface of outer lane is provided with the oil hole, the oil hole includes first oil hole and second oil hole, the both ends of first oil hole are linked together with oil duct and first cavity respectively, the both ends of second oil hole are linked together with oil duct and second cavity respectively.

4. The efficient lubrication structure of the double-row tapered roller bearing according to claim 1, wherein: the outside of outer lane still is provided with the through-hole, the through-hole communicates with the oil storage chamber.

5. The efficient lubrication structure of the double-row tapered roller bearing according to claim 4, wherein: and the through hole is connected with a sealing plug in a pluggable manner.