CN212480057U

CN212480057U - Welding box speed reducer bearing lubricating structure

Info

Publication number: CN212480057U
Application number: CN202020655390.7U
Authority: CN
Inventors: 胡炜
Original assignee: Ward Transmission Technology Tianjin Co ltd
Current assignee: Ward Transmission Technology Tianjin Co ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2021-02-05
Anticipated expiration: 2030-04-26

Abstract

The utility model provides a bearing lubricating structure of a speed reducer of a welding box, which comprises a main box, wherein a bearing seat is fixedly arranged at the lower part of the main box; the bearing block is provided with a bearing mounting hole; a first oil groove, a second oil groove and a third oil groove are fixedly arranged on the inner side surface of the bearing seat; the second oil groove is positioned below the first oil groove; the bottom of the first oil groove is communicated with an oil guide pipe, and the lower end of the oil guide pipe is positioned in the second oil groove; a first oil way is arranged in the bearing seat; the bottom of the first oil way is provided with at least one oil outlet, and a connecting pipe is fixedly installed at the oil outlet; the lower end of the connecting pipe is communicated with the bearing mounting hole; the first oil path is provided with a first oil inlet and a second oil inlet. Welding case speed reducer bearing lubricating structure, can carry out fully lubricated to the bearing when speed reducer inner space is less.

Description

Welding box speed reducer bearing lubricating structure

Technical Field

The utility model belongs to the technical field of the speed reducer is lubricated, especially, relate to a welding box speed reducer bearing lubricating structure.

Background

At present, the speed reducer bearing needs a good circulating oil way to play the functions of lubrication and cooling, common speed reducer lubrication modes on the market mainly comprise oil immersion lubrication, splash lubrication and oil pump forced pressure lubrication, and different lubrication modes can provide required lubricating oil for all positions of the speed reducer, so that the speed reducer bearing has the functions of lubrication and cooling. The speed reducer is limited by the installation space, and for some small speed reducers, the internal space of the speed reducer is not enough to design a sufficient lubricating structure, so that the bearing is difficult to realize sufficient lubricating oil circulation lubrication, and the high temperature of the bearing is caused. Therefore, it is necessary to fully utilize the internal space of the reduction gear and collect the lubricating oil stirred by the internal gear of the reduction gear to lubricate the bearing. The existing speed reducer lubrication mode is that an oil groove is designed in the cast speed reducer, an oil hole is processed in the lower portion of a bearing seat of the speed reducer, circulation of lubricating oil of a bearing of the speed reducer is achieved, a part of lubricating oil is compressed in the high-speed rotation process of the bearing, the viscosity of the lubricating oil is high, the fluidity of the lubricating oil is poor, and when the cooled lubricating oil cannot lubricate and cool the bearing in time, the temperature of the bearing can be obviously increased, so that excessive heating is caused when the speed reducer runs. Therefore, it is necessary to provide a bearing lubrication structure of a welded box speed reducer, which has a good lubrication effect on a bearing, for a small speed reducer.

Disclosure of Invention

In view of this, the utility model aims at providing a welding box speed reducer bearing lubricating structure to realize lubricating the bearing under the less condition in speed reducer inner space.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a bearing lubricating structure of a speed reducer of a welding box comprises a main box, wherein a bearing seat is fixedly arranged at the lower part of the main box; the bearing block is provided with a bearing mounting hole; a first oil groove, a second oil groove and a third oil groove are fixedly arranged on the inner side surface of the bearing seat; the second oil groove is positioned below the first oil groove; the bottom of the first oil groove is communicated with an oil guide pipe, and the lower end of the oil guide pipe is positioned in the second oil groove; a first oil way is arranged in the bearing seat; the bottom of the first oil way is provided with at least one oil outlet, and a connecting pipe is fixedly installed at the oil outlet; the lower end of the connecting pipe is communicated with the bearing mounting hole; the first oil path is provided with a first oil inlet and a second oil inlet, the first oil inlet is communicated with the third oil groove, and the second oil inlet is communicated with the second oil groove.

Further, the first oil inlet and the second oil inlet are respectively arranged on the inner side wall of the bearing seat; the first oil inlet is slightly higher than the inner bottom wall of the third oil groove; the second oil inlet is slightly higher than the inner bottom wall of the second oil groove.

Furthermore, strong magnetic sheets are fixedly installed at the first oil inlet and the second oil inlet.

Furthermore, the strong magnetic sheet has a downward-bent radian; the tail end of the strong magnetic sheet is arranged into a fillet.

Further, the oil guide pipe is fixedly arranged on one side face of the main box through a hoop.

Compared with the prior art, welding box speed reducer bearing lubricating structure have following advantage:

(1) the bearing lubricating structure of the speed reducer of the welding box accumulates the oil grooves under the condition of the original oil grooves, and avoids the rotating space of the gear, so that the size of the oil grooves is not limited by the space in the speed reducer, the size of the oil grooves can be increased as much as possible, and more lubricating oil brought by the rotation of the gear can be collected;

(2) the utility model arranges the strong magnetic sheet at the oil inlet in each layer of the oil groove to adsorb the metal chips in the lubricating oil passing through the oil groove, thus realizing metal filtration for several times and better protecting the bearing;

(3) the utility model discloses be provided with at least one oil-out in the bottom of first oil circuit, the quantity of oil-out can be selected by oneself according to the actual processing degree of difficulty, and when oil-out quantity exceeded two, the oil-out was circumference evenly distributed in the edge of bearing mounting hole, and lubricating oil can follow the even flow direction bearing of oil-out, has further improved the lubricated effect to the bearing.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

FIG. 1 is a schematic view of a bearing lubrication structure of a reducer of a welding box according to the present invention;

FIG. 2 is an enlarged view of a portion B of FIG. 1;

fig. 3 is a schematic cross-sectional view of section a-a in fig. 1.

Description of reference numerals:

1-a main box; 2-bearing seat; 3-bearing mounting holes; 4-a first oil sump; 5-a second oil groove; 6-oil guide pipe; 601-a hoop; 7-a third oil groove; 8-a first oil path; 801-a first oil inlet; 802-a second oil inlet; 9-connecting pipe; 10-strong magnetic sheet.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being 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", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, 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 by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Example one

As shown in fig. 1-3, a lubrication structure for a welded box speed reducer bearing comprises a main box 1, wherein a bearing seat 2 is fixedly arranged at the lower part of the main box 1; the bearing pedestal 2 is provided with a bearing mounting hole 3; a first oil groove 4, a second oil groove 5 and a third oil groove 7 are fixedly arranged on the inner side surface of the bearing seat 2; the second oil groove 5 is positioned below the first oil groove 4; the bottom of the first oil groove 4 is communicated with an oil guide pipe 6, and the lower end of the oil guide pipe 6 is positioned in the second oil groove 5; a first oil way 8 is arranged in the bearing seat 2; an oil outlet is formed in the bottom of the first oil way 8, and a connecting pipe 9 is fixedly installed at the oil outlet in the bottom of the first oil way 8; the lower end of the connecting pipe 9 is communicated with the bearing mounting hole 3; the first oil passage 8 is provided with a first oil inlet 801 and a second oil inlet 802, the first oil inlet 801 is communicated with the third oil groove 7, and the second oil inlet 802 is communicated with the second oil groove 5.

The first oil inlet 801 and the second oil inlet 802 are respectively arranged on the inner side wall of the bearing seat 2; the first oil inlet 801 is slightly higher than the inner bottom wall of the third oil groove 7; the second oil inlet 802 is slightly higher than the inner bottom wall of the second oil groove 5;

the first oil inlet 801 and the second oil inlet 802 are fixedly provided with the strong magnetic sheets 10 for adsorbing iron filings in lubricating oil, so that a bearing is protected to a certain extent;

the strong magnetic sheet 10 has a downward-bent radian and plays a certain role in guiding flow; the tail end of the strong magnetic sheet 10 is arranged into a fillet, and the fillet design ensures that the tail end of the strong magnetic sheet 10 cannot scratch the inner bottom wall of the oil groove, so that the flow of lubricating oil is not influenced when the strong magnetic sheet 10 adsorbs lubricating oil scrap iron;

the oil guide pipe 6 is fixedly arranged on one side surface of the main box 1 through a clamp 601, and the clamp 601 is designed to further reinforce the installation of the oil guide pipe 6.

Example two

The difference between the second embodiment and the first embodiment is only that: the bottom of the first oil way 8 is respectively provided with at least two oil outlets; the oil-out is circumference evenly distributed in the edge of bearing mounting hole, and the quantity of oil-out is two at least, and the quantity of oil-out can be selected according to the actual processing degree of difficulty by oneself, and lubricating oil can follow the even flow direction bearing of oil-out, has further improved the lubricated effect to the bearing.

The utility model discloses a theory of operation: when the speed reducer operates, lubricating oil brought up by high-speed rotation enters the first oil groove 4, the second oil groove 5 and the third oil groove 7; the lubricating oil in the first oil groove 4 flows to the second oil groove 5 through the oil guide pipe 6; lubricating oil in the second oil groove 5 flows into the first oil path 8 through the second oil inlet 802; lubricating oil in the third oil groove 7 flows into the first oil path 8 through the first oil inlet 801; lubricating oil in the first oil way 8 flows to the bearing mounting hole 3 through the connecting pipe 9, so that the bearing is lubricated and cooled; when the lubricating oil flows to the first oil passage 8, the ferromagnetic sheet 10 can adsorb metal chips in the lubricating oil, thereby achieving the purification of the lubricating oil.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a welding box speed reducer bearing lubricating structure which characterized in that: comprises a main box (1), wherein a bearing seat (2) is fixedly arranged at the lower part of the main box (1); the bearing seat (2) is provided with a bearing mounting hole (3); a first oil groove (4), a second oil groove (5) and a third oil groove (7) are fixedly arranged on the inner side surface of the bearing seat (2); the second oil groove (5) is positioned below the first oil groove (4); the bottom of the first oil groove (4) is communicated with an oil guide pipe (6), and the lower end of the oil guide pipe (6) is positioned in the second oil groove (5); a first oil way (8) is arranged in the bearing seat (2); the bottom of the first oil way (8) is provided with at least one oil outlet; a connecting pipe (9) is fixedly arranged at the oil outlet; the lower end of the connecting pipe (9) is communicated with the bearing mounting hole (3); the first oil path (8) is provided with a first oil inlet (801) and a second oil inlet (802), the first oil inlet (801) is communicated with the third oil groove (7), and the second oil inlet (802) is communicated with the second oil groove (5).

2. The bearing lubrication structure of a reduction gear of a welding box according to claim 1, wherein: the first oil inlet (801) is formed in the inner side wall of the bearing seat (2); the first oil inlet (801) is slightly higher than the inner bottom wall of the third oil groove (7).

3. The bearing lubrication structure of a reduction gear of a welding box according to claim 1, wherein: the second oil inlet (802) is arranged on the inner side wall of the bearing seat (2); the second oil inlet (802) is slightly higher than the inner bottom wall of the second oil groove (5).

4. The bearing lubrication structure of a reduction gear of a welding box according to claim 1, wherein: the first oil inlet (801) and the second oil inlet (802) are fixedly provided with strong magnetic sheets (10).

5. The bearing lubrication structure of a reduction gear of a welding box according to claim 4, wherein: the strong magnetic sheet (10) has a downward bent radian; the tail end of the strong magnetic sheet (10) is arranged into a round angle.

6. The bearing lubrication structure of a reduction gear of a welding box according to claim 1, wherein: the oil guide pipe (6) is fixedly arranged on one side surface of the main box (1) through a hoop (601).