Rotary table bearing lubricating structure

By installing an oil injection pipe, a waste oil outlet pipe, and a filter installation cylinder in the turntable bearing, combined with an oil extraction pump and a waste oil extraction pump, the lubrication medium circulation filtration of the turntable bearing lubrication structure is realized, solving the problems of uneven lubrication and inconvenient waste oil filtration, and improving the operational stability and service life of the equipment.

CN223690820UActive Publication Date: 2025-12-19JIANG SU OU TE JING GONG KE JI YOU XIAN GONG SI
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520626414.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-03
Publication Date
2025-12-19
Estimated Expiration
2035-04-03

AI Technical Summary

Technical Problem

Existing rotary table bearings suffer from uneven distribution of lubricating medium under heavy loads, high speeds, or extreme conditions, insufficient oil supply and waste oil filtration and circulation, and inconvenient disassembly and assembly, which affects the stability and lifespan of the equipment.

Method used

A turntable bearing lubrication structure was designed, including an oil injection pipe, a waste oil outlet pipe, a filter installation cylinder, and an oil filter screen cylinder. The lubricating oil is circulated and filtered through an oil extraction pump and a waste oil extraction pump. The waste oil filter screen cylinder can be easily disassembled and installed.

Benefits of technology

The turntable bearing lubrication structure achieves excellent lubrication capability, strong waste oil filtration capability, and convenient disassembly and assembly, thereby improving the operational stability and service life of the equipment.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223690820U_ABST
    Figure CN223690820U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of rotary table bearings, and discloses a rotary table bearing lubricating structure, which comprises a rotary table bearing main body and a lubricating oil storage tank, an oil liquid injection pipe and a waste oil delivery pipe are arranged at the bottom of a fixed outer ring of the rotary table bearing main body, and a filter mounting cylinder is arranged at the top of the lubricating oil storage tank. According to the utility model, the oil liquid extraction pump is matched with the oil liquid injection pipe to inject oil liquid into the lubricating cavity of the rotary table bearing main body, the waste oil delivery pipe is matched with the oil liquid extraction pump to extract waste oil liquid in the lubricating cavity, and the waste oil liquid is filtered by the oil liquid filter screen cylinder, so that circulating filtration is completed, and dirt left on a rotor is cleaned and filtered; the oil liquid filter screen cylinder can be taken out by opening the switch cover plate, waste oil filtered matter can be cleaned and removed conveniently, filtering, dismounting and mounting are convenient, the device is good in rotor lubricating and circulating waste oil filtering capacity and excellent in lubricating capacity, filtering, dismounting and mounting treatment is convenient, and practicability is good.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to a rotating platform bearing technical field, concretely is a rotating platform bearing lubricating structure. BACKGROUND

[0002] Rotating platform bearing is a kind of bearing that can simultaneously bear axial load, radial load and overturning moment etc. comprehensive load, and is the precise bearing of special structure with the functions of supporting, rotating, transmission and fixing. Rotating platform bearing basically adopts the design mode of negative play with pre-tightening, to ensure the high rigidity and rotation accuracy of bearing. Generally, rotating platform bearing has mounting hole, lubricating oil hole and sealing structure on its inner and outer rings, which is suitable for different installation and use requirements of various equipment under precise working conditions. As the core transmission component of engineering machinery, aerospace and precise equipment, the lubricating system of rotating platform bearing directly affects the operation stability and service life of equipment.

[0003] Common rotating platform bearing usually adds oil in the rotor lubricating cavity of bearing, so that the rotor is kept lubricated by lubricating liquid during the rotation of bearing, and the overall lubrication effect of bearing is good. However, in actual process, under heavy load, high speed or extreme working conditions, the lubricating medium is not evenly distributed, oil supply and waste oil filtration circulation cannot be well performed, and the overall waste oil filtration disassembly is inconvenient, and the filtration capacity is insufficient. Therefore, we propose a rotating platform bearing lubricating structure to solve the above problems. UTILITY MODEL CONTENTS

[0004] (I) Technical problem solved

[0005] In view of the deficiencies of prior art, the utility model provides a rotating platform bearing lubricating structure, which has the advantages of good rotor lubrication and circulating waste oil filtration capacity, excellent lubrication capacity, convenient filtration disassembly and treatment, and good practicality.

[0006] (II) Technical scheme

[0007] To achieve the above purpose, the utility model provides the following technical scheme: a rotating platform bearing lubricating structure, comprising a rotating platform bearing main body and a lubricating oil storage tank, the bottom of the rotating platform bearing main body fixed outer ring is provided with oil injection pipe and waste oil outlet pipe;

[0008] The top of the lubricating oil storage tank is provided with a filter mounting cylinder, the bottom end of the oil injection pipe and the waste oil outlet pipe is communicated to the lubricating inner ring of the rotating platform bearing main body, the top end of the waste oil outlet pipe is connected to the top of the side surface of the filter mounting cylinder, and the oil liquid filter screen cylinder is placed in the inside of the filter mounting cylinder, and the top of the filter mounting cylinder is provided with an on-off cover plate;

[0009] The bottom of the filter mounting cylinder is provided with an oil extraction pump, the bottom of the fixed outer ring of the rotary table bearing body is provided with a waste oil extraction pump, the top end of the oil injection pipe is communicated with the bottom of the lubricating oil storage tank, the top end of the oil injection pipe is connected with the output end of the oil extraction pump, and the bottom end of the waste oil leading-out pipe is connected with the leading-out end of the waste oil extraction pump.

[0010] Preferably, the bottom ends of the oil injection pipe and the waste oil leading-out pipe are both communicated with the rotor lubricating cavity of the rotary table bearing body, and the bottom ends of the oil injection pipe and the waste oil leading-out pipe are both fixedly installed at the bottom of the fixed outer ring of the rotary table bearing body.

[0011] Preferably, the top of the switch cover plate is provided with a mounting handle, and the switch cover plate is threadedly connected with the top of the filter mounting cylinder.

[0012] Preferably, the side of the top of the lubricating oil storage tank is provided with an oil observation rod, and the bottom of the oil observation rod is inserted into the lubricating oil storage tank.

[0013] Preferably, the oil filter screen cylinder comprises an outer filter cylinder and an inner filter cylinder, the outer filter cylinder is mounted on the inner side of the filter mounting cylinder, the inner filter cylinder is mounted on the inner side of the outer filter cylinder, and the top end of the waste oil leading-out pipe is located above the side of the inner filter cylinder.

[0014] Preferably, the bottom of the outer filter cylinder is conical, the top of the inner filter cylinder is mounted on the edge of the top of the outer filter cylinder, and the outer filter cylinder and the inner filter cylinder are screen filter cylinders.

[0015] Preferably, the oil extraction pump and the waste oil extraction pump are both small pump bodies, and the oil injection pipe and the waste oil leading-out pipe are both anti-bending hoses.

[0016] (Three) beneficial effects

[0017] Compared with the prior art, the rotary table bearing lubricating structure has the following advantages

[0018] Beneficial effects:

[0019] 1. The rotary table bearing lubricating structure, through the setting up oil injection pipe and waste oil lead-out pipe, can connect the rotor lubricating cavity of the rotary table bearing body and the lubricating oil storage tank, the oil liquid can be guided to the oil injection pipe by the oil liquid extraction pump, and the waste oil lead-out pipe cooperates with the oil liquid extraction pump to extract the waste oil liquid in the lubricating cavity, guide to the filter installation cylinder, and then filter through the oil liquid filter screen cylinder, and then re-enter the lubricating oil storage tank, complete the circulation filtering, so that the oil liquid can keep the circulation cleaning and filtering when the rotary table bearing body rotates, the residual dirt of the rotor is cleaned and filtered, the rotor and the lubricating cavity in the rotary table bearing body are always kept lubricated and clean, the use is convenient, the device has good rotor lubricating and circulating waste oil filtering capacity, and the lubricating capacity is excellent.

[0020] 2. The rotary table bearing lubricating structure, through the setting up oil injection pipe and waste oil lead-out pipe, can connect the rotor lubricating cavity of the rotary table bearing body and the lubricating oil storage tank, the oil liquid can be guided to the oil injection pipe by the oil liquid extraction pump, and the waste oil lead-out pipe cooperates with the oil liquid extraction pump to extract the waste oil liquid in the lubricating cavity, guide to the filter installation cylinder, and then filter through the oil liquid filter screen cylinder, and then re-enter the lubricating oil storage tank, complete the circulation filtering, so that the oil liquid can keep the circulation cleaning and filtering when the rotary table bearing body rotates, the residual dirt of the rotor is cleaned and filtered, the rotor and the lubricating cavity in the rotary table bearing body are always kept lubricated and clean, the use is convenient, the device has good rotor lubricating and circulating waste oil filtering capacity, and the lubricating capacity is excellent. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a front view of the structure of the utility model;

[0022] Figure 2 It is a front view of the structure of the utility model;

[0023] Figure 3 It is a front view of the structure of the utility model;

[0024] Figure 4 It is a front view of the structure of the utility model;

[0025] Figure 5 It is a front view of the structure of the utility model.

[0026] In the drawing: 1, rotary table bearing body; 2, lubricating oil storage tank; 3, oil injection pipe; 4, waste oil lead-out pipe; 5, filter installation cylinder; 6, oil liquid filter screen cylinder; 61, outer filter cylinder; 62, inner filter cylinder; 7, switch cover plate; 8, oil liquid extraction pump; 9, waste oil extraction pump; 10, installation handle; 11, oil liquid observation rod. DETAILED DESCRIPTION

[0027] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts under the premise that no creative efforts are made, belong to the scope of protection of the present application.

[0028] Please refer to Figures 1-5 A rotary table bearing lubrication structure, comprising a rotary table bearing body 1 and a lubricating oil storage tank 2, the bottom of the fixed outer ring of the rotary table bearing body 1 is provided with an oil injection pipe 3 and a waste oil outlet pipe 4;

[0029] The top of the lubricating oil storage tank 2 is provided with a filter mounting cylinder 5, the bottom end of the oil injection pipe 3 and the waste oil outlet pipe 4 is communicated to the lubricating inner ring of the rotary table bearing body 1, the top end of the waste oil outlet pipe 4 is connected to the top of the side of the filter mounting cylinder 5, and the inside of the filter mounting cylinder 5 is placed with an oil filter screen cylinder 6, and the top of the filter mounting cylinder 5 is provided with a switch cover plate 7;

[0030] The bottom of the filter mounting cylinder 5 is provided with an oil extraction pump 8, the bottom of the fixed outer ring of the rotary table bearing body 1 is provided with a waste oil extraction pump 9, the top end of the oil injection pipe 3 is communicated to the bottom of the lubricating oil storage tank 2, the top end of the oil injection pipe 3 is connected with the output end of the oil extraction pump 8, and the bottom end of the waste oil outlet pipe 4 is connected with the outlet end of the waste oil extraction pump 9;

[0031] The beneficial effects expressed by the present scheme are as follows: by setting the oil injection pipe 3 and the waste oil outlet pipe 4, the rotor lubricating cavity of the rotary table bearing body 1 and the lubricating oil storage tank 2 can be connected, the oil injection pipe 3 is matched with the oil extraction pump 8 to inject oil into the lubricating cavity of the rotary table bearing body 1, the waste oil outlet pipe 4 is matched with the oil extraction pump 8 to extract the waste oil in the lubricating cavity, the oil filter screen cylinder 6 in the filter mounting cylinder 5 is used for filtering, the residual dirt of the rotor is cleaned and filtered, the rotor and the lubricating cavity are always kept lubricated and clean, the filter mounting cylinder 5 is provided with the switch cover plate 7, the oil filter screen cylinder 6 can be taken out by opening the switch cover plate 7, the waste oil filter material can be cleaned and removed, the filter is convenient to disassemble and assemble, the device has good rotor lubrication and circulating waste oil filtering capacity, excellent lubrication capacity, and convenient filter disassembly and assembly treatment, and good practicability.

[0032] Further, the bottom end of the oil injection pipe 3 and the waste oil outlet pipe 4 is communicated in the rotor lubricating cavity of the rotary table bearing body 1, and the bottom of the oil injection pipe 3 and the waste oil outlet pipe 4 is fixedly installed at the bottom of the fixed outer ring of the rotary table bearing body 1;

[0033] The bottom ends of the oil injection pipe 3 and the waste oil leading-out pipe 4 are communicated with the rotor lubricating cavity of the rotary table bearing body 1, so that the rotor lubricating cavity of the rotary table bearing body 1 can be communicated and circulated with the lubricating oil storage tank 2 through the oil injection pipe 3 and the waste oil leading-out pipe 4, and the oil circulation effect of the device is good.

[0034] Further, the top of the switch cover plate 7 is provided with a mounting handle 10, and the switch cover plate 7 is threadedly connected to the top of the filter mounting cylinder 5.

[0035] The mounting handle 10 is arranged, so that the switch cover plate 7 is convenient to hold and switch through the mounting handle 10, and the switching effect of the overall oil filter screen cylinder 6 is good.

[0036] Further, the side of the top of the lubricating oil storage tank 2 is provided with an oil observation rod 11, and the bottom of the oil observation rod 11 is inserted into the inside of the lubricating oil storage tank 2.

[0037] The oil observation rod 11 is arranged, so that the oil level in the lubricating oil storage tank 2 can be directly measured, and the structure is simple and the measurement is convenient.

[0038] Further, the oil filter screen cylinder 6 comprises an outer filter cylinder 61 and an inner filter cylinder 62, the outer filter cylinder 61 is mounted on the inner side of the filter mounting cylinder 5, the inner filter cylinder 62 is mounted on the inner side of the outer filter cylinder 61, and the top end of the waste oil leading-out pipe 4 is located above the side of the inner filter cylinder 62.

[0039] The oil filter screen cylinder 6 comprises the outer filter cylinder 61 and the inner filter cylinder 62, and the inner filter cylinder 62 is mounted on the inner side of the outer filter cylinder 61, so that a double-layer filtering effect is formed, and the waste material remaining in the waste oil can be filtered twice by the outer filter cylinder 61 and the inner filter cylinder 62, and the filtering capacity is excellent.

[0040] Further, the bottom of the outer filter cylinder 61 is conical, the top of the inner filter cylinder 62 is mounted on the edge of the top of the outer filter cylinder 61, and the outer filter cylinder 61 and the inner filter cylinder 62 are screen type filter cylinders.

[0041] The bottom of the outer filter cylinder 61 is conical, so that the inner filter cylinder 62 can be stably mounted on the outer filter cylinder 61, and the installation and use are convenient, and the outer filter cylinder 61 and the inner filter cylinder 62 are screen type filter cylinders, and the filtering effect is good.

[0042] Further, the oil extraction pump 8 and the waste oil extraction pump 9 are small pump bodies, and the oil injection pipe 3 and the waste oil leading-out pipe 4 are anti-bending hoses.

[0043] The oil extraction pump 8 and the waste oil extraction pump 9 are small pump bodies, the oil circulation is stable, the oil injection pipe 3 and the waste oil leading-out pipe 4 are anti-bending hoses, the oil circulation is stable, and the oil injection pipe 3 and the waste oil leading-out pipe 4 are not easy to be damaged by bending, and the practicability is good.

[0044] It should be noted that the devices in the present application are common market devices, and can be selected according to the needs during use. The circuit connection relationship of each device is a simple series and parallel connection circuit, and there is no innovation point in the circuit connection. The circuit connection can be easily realized by those skilled in the art, and belongs to the prior art, which will not be described in detail.

[0045] Working principle: the bottom of the fixed outer ring of the rotary table bearing body 1 is provided with an oil injection pipe 3 and a waste oil leading-out pipe 4. Since the fixed outer ring of the rotary table bearing body 1 is in a fixed state, the oil injection pipe 3 and the waste oil leading-out pipe 4 can be fixedly installed on the rotary table bearing body 1, and one end of the oil injection pipe 3 and the waste oil leading-out pipe 4 can be connected with the rotor lubricating cavity of the rotary table bearing body 1.

[0046] The other end of the oil injection pipe 3 is connected with the lubricating oil storage tank 2. The lubricating oil in the oil injection pipe 3 can be pressurized and circulated into the oil injection pipe 3 by the oil extraction pump 8, and injected into the lubricating cavity of the rotary table bearing body 1. The waste oil leading-out pipe 4 cooperates with the oil extraction pump 8 to extract the waste oil in the lubricating cavity, and circulate it into the filter installation cylinder 5. After being filtered by the oil filter screen cylinder 6, the waste oil is re-entered into the lubricating oil storage tank 2, completing the circulation and filtration. When the rotary table bearing body 1 rotates, the oil can be kept clean and filtered, and the rotor residue can be cleaned and filtered, so that the rotor and the lubricating cavity in the rotary table bearing body 1 are always kept lubricated and clean, and the use is convenient.

[0047] The filter installation cylinder 5 is provided with an opening and closing cover plate 7. When the opening and closing cover plate 7 is opened, the oil filter screen cylinder 6 can be taken out, which is convenient for cleaning and removing the waste oil filter material. The filter is convenient to disassemble and assemble, the device has good rotor lubrication and circulation waste oil filtration capacity, excellent lubrication capacity, and convenient filter disassembly and assembly, and good practicability.

[0048] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it is intended to be limited only by the words recited in the appended claims. The scope of the present application shall be limited only by the claims.

[0049] While the embodiments of the present application have been shown and described with respect to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application. Therefore, the scope of the application should not be limited by the embodiments, but should be defined only in accordance with the following claims and their equivalents.

Claims

1. A turntable bearing lubrication structure comprising a turntable bearing main body (1) and a lubricating oil storage tank (2), characterized in that: The bottom of the fixed outer ring of the rotary table bearing body (1) is provided with an oil injection pipe (3) and a waste oil leading-out pipe (4); The top of the lubricating oil storage tank (2) is provided with a filter mounting cylinder (5), the bottom ends of the oil injection pipe (3) and the waste oil leading-out pipe (4) are communicated to the lubricating inner ring of the rotary table bearing body (1), the top end of the waste oil leading-out pipe (4) is connected to the top of the side of the filter mounting cylinder (5), the inside of the filter mounting cylinder (5) is provided with an oil filter screen cylinder (6), and the top of the filter mounting cylinder (5) is provided with an on-off cover plate (7); The bottom of the filter mounting cylinder (5) is provided with an oil extraction pump (8), the bottom of the fixed outer ring of the rotary table bearing body (1) is provided with a waste oil extraction pump (9), the top end of the oil injection pipe (3) is communicated to the bottom of the lubricating oil storage tank (2), the top end of the oil injection pipe (3) is connected with the output end of the oil extraction pump (8), and the bottom end of the waste oil leading-out pipe (4) is connected with the leading-out end of the waste oil extraction pump (9).

2. The turntable bearing lubrication structure according to claim 1, characterized by: The bottom ends of the oil injection pipe (3) and the waste oil leading-out pipe (4) are both communicated to the rotor lubricating cavity of the rotary table bearing body (1), and the bottom ends of the oil injection pipe (3) and the waste oil leading-out pipe (4) are both fixedly installed at the bottom of the fixed outer ring of the rotary table bearing body (1).

3. The turntable bearing lubrication structure according to claim 1, characterized by: The top of the on-off cover plate (7) is provided with a mounting handle (10), and the on-off cover plate (7) is threadedly connected to the top of the filter mounting cylinder (5).

4. The turntable bearing lubrication structure according to claim 1, characterized by: The side of the top of the lubricating oil storage tank (2) is provided with an oil observation rod (11), and the bottom of the oil observation rod (11) is inserted into the inside of the lubricating oil storage tank (2).

5. The turntable bearing lubrication structure according to claim 1, characterized by: The oil filter screen cylinder (6) comprises an outer filter cylinder (61) and an inner filter cylinder (62), the outer filter cylinder (61) is hung and installed at the inner side of the filter mounting cylinder (5), the inner filter cylinder (62) is hung and installed at the inner side of the outer filter cylinder (61), and the top end of the waste oil leading-out pipe (4) is located above the side of the inner filter cylinder (62).

6. A turntable bearing lubrication structure according to claim 5, wherein: The bottom of the outer filter cylinder (61) is conical, the top of the inner filter cylinder (62) is hung at the edge of the top of the outer filter cylinder (61), and the outer filter cylinder (61) and the inner filter cylinder (62) are screen type filter cylinders.

7. The turntable bearing lubrication structure according to claim 1, characterized by: The oil extraction pump (8) and the waste oil extraction pump (9) are both small pump bodies, and the oil injection pipe (3) and the waste oil leading-out pipe (4) are both anti-bending hoses.