CN212643335U

CN212643335U - Supporting structure of rolling mill gear shaft

Info

Publication number: CN212643335U
Application number: CN202020983756.3U
Authority: CN
Inventors: 叶小兵; 王澄; 朱骉
Original assignee: Jiangsu Surte Heavy Industry Machinery Co Ltd
Current assignee: Jiangsu Surte Heavy Industry Machinery Co Ltd
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2021-03-02
Anticipated expiration: 2030-06-02

Abstract

The utility model discloses a supporting structure of rolling mill gear shaft, including bearing, gear shaft and bearing, the bearing is fixed and is rotated the support between gear shaft and bearing, the bearing includes bearing inner race, bearing outer ferrule and ball, bearing inner race cover establishes the inside of fixing at bearing outer ferrule, the axle center of bearing inner race and the axle center of bearing outer ferrule coincide each other, the ball is fixed between the outer end of bearing inner race and the inner of bearing outer ferrule, the inside of bearing inner race has seted up around the equidistance and has been accomodate the groove, it has seted up the connecting hole to accomodate the groove between adjacent, the inside of accomodating the groove is provided with the oil cotton, the outside surface of bearing inner race has seted up around the equidistance and has seted up the oil outlet, the oil outlet communicates with the inside of accomodating the groove each other; through the groove of accomodating, oil cotton and the oil outlet of design, accomodate the inside lubricating oil that oil cotton contains of groove and pass through the inside surface of bearing of oil outlet flow through, it lasts and carries out lubricated operation for the bearing.

Description

Supporting structure of rolling mill gear shaft

Technical Field

The utility model belongs to the technical field of the gear shaft, concretely relates to supporting structure of rolling mill gear shaft.

Background

The gear shaft refers to a mechanical part which supports a rotating part and rotates together with the rotating part to transmit motion, torque or bending moment, generally takes the shape of a metal round rod, each section can have different diameters, the part which rotates in the machine is arranged on the shaft, and the support structure of the gear shaft on the market at present still has various defects and cannot meet the requirements of production and life.

If the bearing between the gear shaft and the supporting seat needs to be lubricated in time, the problem that the efficiency of the gear shaft is reduced due to the fact that the bearing is blocked is solved, and therefore the supporting structure of the gear shaft of the rolling mill is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bearing structure of rolling mill gear shaft to the bearing between gear shaft and the bearing that proposes in solving above-mentioned background art needs in time to lubricate the operation, prevents that it from taking place the card and dun and causing the problem of gear shaft inefficiency.

In order to achieve the above object, the utility model provides a following technical scheme: the bearing is fixed between the gear shaft and the supporting seat and rotatably supported, the bearing comprises a bearing inner ring, a bearing outer ring and balls, the bearing inner ring is sleeved and fixed inside the bearing outer ring, the axle center of the bearing inner ring is overlapped with the axle center of the bearing outer ring, the balls are fixed between the outer end of the bearing inner ring and the inner end of the bearing outer ring, the inside of the bearing inner ring is surrounded by the equal distance and is provided with accommodating grooves, connecting holes are formed between the adjacent accommodating grooves, oil cotton is arranged inside the accommodating grooves, the outer side surface of the bearing inner ring is surrounded by the equal distance and is provided with oil outlets, and the oil outlets are communicated with the inside of the accommodating grooves.

Preferably, oil injection ports are formed in two sides of the end face of the bearing inner ring, and the oil injection ports are communicated with the inside of the accommodating groove.

Preferably, a circular groove is formed in the inner wall of the oil filling port, and a rubber ball is arranged inside the circular groove.

Preferably, the outer side surface of the rubber ball is fixedly connected with a fixed spring, and the other end of the fixed spring is fixed on the inner end inner wall of the circular groove.

Preferably, the rubber ball is fixed at an external port of the circular groove, and the diameter of the rubber ball is equal to the inner diameter of the oil filling port.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the groove of accomodating, oil cotton and the oil outlet of design, solved current bearing and need in time lubricate the operation, prevent that it from taking place the card and pause and cause the problem that gear shaft efficiency reduces, accomodate the inside lubricating oil that the groove inside oil cotton contains and flow through the inside surface of bearing through the oil outlet, it lasts and lubricates the operation for the bearing.

2. Through circular slot, rubber ball and the fixed spring of design, solved the bearing and rotated the problem that the lubricating oil that its inside oil cotton contained runs off to the oiling mouth easily of in-process, lubricating oil adds and accomplishes the rubber ball and blocks up the oiling mouth under fixed spring's promotion, and the rubber ball prevents that the lubricating oil that the inside oil cotton of bearing contained from running off.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the front view structure of the bearing of the present invention;

FIG. 3 is a schematic sectional view of the oil filling port of the present invention;

fig. 4 is a schematic view of the sectional structure of the bearing inner race of the present invention.

In the figure: 1. a supporting seat; 2. a gear shaft; 3. a bearing inner race; 4. a bearing outer race; 5. a ball bearing; 6. an oil filling port; 7. a rubber ball; 8. a circular groove; 9. fixing the spring; 10. a receiving groove; 11. oil cotton; 12. connecting holes; 13. an oil outlet.

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. 1-4, the present invention provides a technical solution: the supporting structure of rolling mill gear shaft, including bearing 1, gear shaft 2 and bearing, the bearing is fixed and is rotated the support between gear shaft 2 and bearing 1, the bearing includes bearing inner race 3, bearing outer race 4 and

ball

5, 3 covers of bearing inner race establish the inside of fixing at bearing outer race 4, the axle center of bearing inner race 3 and the axle center of bearing outer race 4 coincide each other, ball 5 fixes between the outer end of bearing inner race 3 and the inner of bearing outer race 4, the inside of bearing inner race 3 has been encircleed the equidistance and has been seted up and has been accomodate groove 10, it has seted up connecting hole 12 to accomodate between the groove 10 is adjacent, the inside of accomodating groove 10 is provided with oil cotton 11, oil outlet 13 has been seted up around the equidistance on the outside surface of bearing inner race 3, oil outlet 13 communicates each other with.

In order to facilitate the filling of the lubricating oil in the oil cotton 11 inside the bearing inner ring 3, in this embodiment, preferably, oil injection ports 6 are formed on both sides of the end surface of the bearing inner ring 3, and the oil injection ports 6 are communicated with the inside of the accommodating groove 10.

In order to facilitate the rubber ball 7 not to affect the normal use of the oil filling port 6, in the embodiment, preferably, a circular groove 8 is formed in the inner wall of the oil filling port 6, and the rubber ball 7 is arranged inside the circular groove 8.

In order to facilitate the recycling of the rubber ball 7, in this embodiment, it is preferable that a fixing spring 9 is fixedly connected to an outer side surface of the rubber ball 7, and another end of the fixing spring 9 is fixed to an inner end inner wall of the circular groove 8.

In order to prevent the rubber ball 7 from leaking lubricating oil contained in the oil cotton 11 inside the bearing inner ring 3, in the embodiment, preferably, the rubber ball 7 is fixed at the external port of the circular groove 8, and the diameter of the rubber ball 7 is equal to the inner diameter of the oil filling opening 6.

The utility model discloses a theory of operation and use flow: after the device installation is accomplished, the bearing rotates the inside oil cotton 11 that accomodates groove 10 inside in-process and inside contains lubricating oil and flows through 3 outside surfaces of bearing inner race through

oil outlet

13, 5 surfaces paint the lubricating oil bearing promptly and rotate more stably, rubber ball 7 is accomodate inside circular groove 8 during 6 addendum oil of oiling mouth, rubber ball 7 does not influence the normal use of oiling mouth 6, lubricating oil adds and accomplishes rubber ball 7 and blocks up oiling mouth 6 under the promotion of fixed spring 9, rubber ball 7 prevents the lubricating oil loss of 3 inside oil cotton 11 of bearing inner race.

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

1. Bearing structure of rolling mill gear shaft, including bearing (1), gear shaft (2) and bearing, its characterized in that: the bearing is fixed between the gear shaft (2) and the supporting seat (1) for rotating and supporting, the bearing comprises a bearing inner ring (3), a bearing outer ring (4) and balls (5), the bearing inner ring (3) is sleeved and fixed in the bearing outer ring (4), the axle center of the bearing inner ring (3) is superposed with the axle center of the bearing outer ring (4), the ball (5) is fixed between the outer end of the bearing inner ring (3) and the inner end of the bearing outer ring (4), the inner part of the bearing inner ring (3) is provided with accommodating grooves (10) at equal intervals around the circumference, a connecting hole (12) is arranged between the adjacent accommodating grooves (10), oil cotton (11) is arranged in the accommodating grooves (10), the outside surface of bearing inner race (3) encircles the equidistance and has seted up oil outlet (13), oil outlet (13) communicate with the inside of accomodating groove (10) each other.

2. The support structure for rolling mill gear shafts according to claim 1, characterized in that: oil injection ports (6) are formed in two sides of the end face of the bearing inner ring (3), and the oil injection ports (6) are communicated with the inside of the accommodating groove (10).

3. The support structure for rolling mill gear shafts according to claim 2, characterized in that: a round groove (8) is formed in the inner wall of the oil filling opening (6), and a rubber ball (7) is arranged inside the round groove (8).

4. The support structure for rolling mill gear shafts according to claim 3, characterized in that: the outer side surface of the rubber ball (7) is fixedly connected with a fixed spring (9), and the other end of the fixed spring (9) is fixed on the inner end inner wall of the circular groove (8).

5. The support structure for rolling mill gear shafts according to claim 3, characterized in that: the rubber ball (7) is fixed at the external port of the circular groove (8), and the diameter of the rubber ball (7) is equal to the inner diameter of the oil filling port (6).