CN221202277U

CN221202277U - Bearing lubrication and corrosion prevention integrated structure of disc type industrial motor

Info

Publication number: CN221202277U
Application number: CN202323149395.5U
Authority: CN
Inventors: 冯帅; 张全会; 井天尧
Original assignee: Shengke Pantong Power Technology Shenyang Co ltd
Current assignee: Shengke Pantong Power Technology Shenyang Co ltd
Filing date: 2023-11-21
Publication date: 2024-06-21
Anticipated expiration: 2033-11-21

Abstract

The utility model relates to a bearing lubrication and corrosion prevention integrated structure of a disc type industrial motor. The utility model includes an end cap; a motor shaft, a bearing is arranged between the motor shaft and the end cover; the bearing inner cover is sleeved on the motor shaft, matched with one end of the end cover and propped against the bearing; the grounding slip ring is movably connected to the end part of the motor shaft; the end cover sealing cover is matched with the other end of the end cover to form a slip ring cavity for accommodating the grounding slip ring with the end part of the motor shaft; the motor shaft is provided with an end cover, an end cover sealing cover is arranged on the motor shaft, an end cover is arranged on the motor shaft, a lubricating oil cavity is formed among the end cover, the bearing inner cover and the end cover sealing cover, and an oil seal is arranged between the motor shaft and the end cover sealing cover so as to isolate the lubricating oil cavity from the slip ring cavity. The utility model provides a bearing lubrication and corrosion prevention integrated structure of a disc type industrial motor, which can prolong the service life of a motor bearing and shorten the maintenance period of the bearing.

Description

Bearing lubrication and corrosion prevention integrated structure of disc type industrial motor

Technical Field

The utility model relates to the technical field of disc type industrial motors, in particular to a bearing lubrication and corrosion prevention integrated structure of a disc type industrial motor.

Background

The disc motor is concerned by the fields of industry and ships due to the structural characteristics, has flexible arrangement, but the bearing is easy to wear under the heavy load condition, so that the high-power application of the disc motor is restricted.

Most of the existing disc motors are light-load motors for vehicles, low-rigidity structures and maintenance-free bearings are used, the design of preventing electric corrosion is lacking, in addition, the shell end covers are die-cast aluminum shell end covers, the bearings are embedded in the motors, oiling and oil discharging operations cannot be carried out, the service lives of the bearings are difficult to prolong, and the disc motors are not suitable for industrial motors and marine motors with large torque output.

Disclosure of Invention

Therefore, the utility model provides a bearing lubrication and corrosion prevention integrated structure of a disc type industrial motor, which can prolong the service life of the motor bearing and shorten the maintenance period of the bearing.

In order to solve the technical problems, the utility model provides a bearing lubrication and corrosion prevention integrated structure of a disc type industrial motor, which comprises:

An end cap;

A motor shaft, a bearing is arranged between the motor shaft and the end cover;

The bearing inner cover is sleeved on the motor shaft, matched with one end of the end cover and propped against the bearing;

The grounding slip ring is movably connected to the end part of the motor shaft;

The end cover sealing cover is matched with the other end of the end cover to form a slip ring cavity for accommodating the grounding slip ring with the end part of the motor shaft;

The motor shaft is provided with an end cover, an end cover sealing cover is arranged on the motor shaft, an end cover is arranged on the motor shaft, a lubricating oil cavity is formed among the end cover, the bearing inner cover and the end cover sealing cover, and an oil seal is arranged between the motor shaft and the end cover sealing cover so as to isolate the lubricating oil cavity from the slip ring cavity.

In one embodiment of the utility model, one radial end of the end cover is provided with an oil filling hole communicated with the lubricating oil cavity, and the other radial end of the end cover is provided with an oil draining hole communicated with the lubricating oil cavity.

In one embodiment of the present utility model, the end cover is provided with oil passages respectively communicating with the oil filling hole and the oil chamber, the oil passages including an axial section provided along an axial direction of the end cover and an inclined section inclined to the axial section.

In one embodiment of the utility model, the end cap is provided with a mounting groove for mounting the bearing outer race.

In one embodiment of the utility model, the bearing inner cover is axially extended with an annular pressing plate which is abutted against the bearing outer ring.

In one embodiment of the utility model, one end of the motor shaft extends to form a positioning boss propped against one end of the bearing inner ring, and the motor shaft sleeve is provided with a mounting ring propped against the other end of the bearing inner ring.

In one embodiment of the utility model, the inner hole of the bearing inner cover is distributed with oil-proof grooves.

In one embodiment of the utility model, the motor shaft further comprises a slip ring connecting column, wherein a limiting ring plate radially extends from the slip ring connecting column, one end of the slip ring connecting column is connected to the end of the motor shaft in a threaded mode, and the grounding slip ring is sleeved at the other end of the slip ring connecting column and is limited through the limiting ring plate.

In one embodiment of the utility model, the end cover sealing cover comprises an inner annular boss and an outer annular boss, the grounding sliding ring is arranged in a groove formed in the inner annular boss, and the oil seal is arranged in a groove formed in the outer annular boss.

In one embodiment of the present utility model, the end cap is made of cast iron or cast steel.

Compared with the prior art, the technical scheme of the utility model has the following advantages:

According to the bearing lubrication and corrosion prevention integrated structure of the disc type industrial motor, the lubrication oil cavity is formed among the end cover, the motor shaft and the bearing inner cover, so that the bearing can be continuously and fully lubricated, friction and abrasion are reduced, and the maintenance requirements of the bearing are reduced by integrating the lubrication system and the anti-electric corrosion measures, so that the service life of the bearing can be prolonged, the maintenance frequency of the bearing can be reduced, and therefore, the downtime and the maintenance cost are reduced.

Drawings

In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings.

FIG. 1 is a schematic cross-sectional view of the overall structure of the present utility model.

Fig. 2 is a schematic diagram of the overall structure of the present utility model.

Fig. 3 is a schematic view of the end cap structure of the present utility model.

Fig. 4 is a schematic view of the structure of the bearing inner cap of the present utility model.

Fig. 5 is a schematic view of the connection structure of the grounding slip ring and the slip ring connection column of the present utility model.

Fig. 6 is a schematic view of the structure of the end cap seal cap of the present utility model.

Fig. 7 is a schematic view of the oil seal structure of the present utility model.

Description of the specification reference numerals:

1. An end cap; 11. a mounting groove;

2. a motor shaft; 21. positioning the boss; 22. a mounting ring;

3. A bearing;

4. a bearing inner cover; 41. an annular pressing plate; 42. an oil-repellent groove;

5. a grounding slip ring;

6. a slip ring cavity;

7. A lubrication oil chamber; 71. an oil filling hole; 72. an oil drain hole; 73. an oil passage; 74. an axial section; 75. an inclined section;

8. An end cover sealing cover; 81. an inner annular boss; 82. an outer annular boss;

9. A slip ring connecting column; 91. a limiting ring plate;

10. And (3) oil sealing.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.

In the present utility model, if directions (up, down, left, right, front and rear) are described, they are merely for convenience of description of the technical solution of the present utility model, and do not indicate or imply that the technical features must be in a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, "a plurality of" means one or more, and "a plurality of" means two or more, and "greater than", "less than", "exceeding", etc. are understood to not include the present number; "above", "below", "within" and the like are understood to include this number. In the description of the present utility model, the description of "first" and "second" if any is used solely for the purpose of distinguishing between technical features and not necessarily for the purpose of indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the present utility model, unless clearly defined otherwise, terms such as "disposed," "mounted," "connected," and the like should be construed broadly and may be connected directly or indirectly through an intermediate medium, for example; the connecting device can be fixedly connected, detachably connected and integrally formed; can be mechanically connected, electrically connected or capable of communicating with each other; may be a communication between two elements or an interaction between two elements. The specific meaning of the words in the utility model can be reasonably determined by a person skilled in the art in combination with the specific content of the technical solution.

Referring to fig. 1 to 7, a bearing lubrication and corrosion prevention integrated structure of a disc type industrial motor according to the present utility model includes:

An end cap 1;

a motor shaft 2, wherein a bearing 3 is arranged between the motor shaft 2 and the end cover 1;

A bearing inner cover 4 which is sleeved on the motor shaft 2, is matched with one end of the end cover 1 and abuts against the bearing 3;

the grounding slide ring 5 is movably connected with the end part of the motor shaft 2;

An end cover sealing cover 8 matched with the other end of the end cover 1 to form a slip ring cavity 6 for accommodating the grounding slip ring 5 with the end part of the motor shaft 2;

The lubricating oil cavity 7 is formed among the end cover 1, the bearing inner cover 4 and the end cover sealing cover 8, and an oil seal 10 is arranged between the motor shaft 2 and the end cover sealing cover 8 to isolate the lubricating oil cavity 7 from the slip ring cavity 6.

In some embodiments, one radial end of the end cover 1 is provided with an oil injection hole 71 communicated with the oil cavity 7, and the other radial end of the end cover 1 is provided with an oil discharge hole 72 communicated with the oil cavity 7.

Specifically, the end cover 1 is provided with an oil duct 73, the oil duct 73 is respectively communicated with the oil filling hole 71 and the oil cavity 7, the oil duct 73 comprises an axial section 74 arranged along the axial direction of the end cover 1 and an inclined section 75 inclined to the axial section 74, and the oil duct 73 is structured to avoid the bearing 3.

In some embodiments, the bearing 3 is a roller bearing 3, the end cover 1 is provided with a mounting groove 11 for mounting an outer ring of the bearing 3, the bearing inner cover 4 axially extends to form an annular pressing plate 41 propped against the outer ring of the bearing 3, one end of the motor shaft 2 extends to form a positioning boss 21 propped against one end of the inner ring of the bearing 3, the motor shaft 2 is sleeved with a mounting ring 22 propped against the other end of the inner ring of the bearing 3, and an oil-proof groove 42 is distributed on an inner hole of the bearing inner cover 4 to prevent oil from leaking into the motor.

In some embodiments, the motor further comprises a slip ring connecting column 9, the slip ring connecting column 9 radially extends to form a limiting ring plate 91, one end of the slip ring connecting column 9 is in threaded connection with the end of the motor shaft 2, and the grounding slip ring 5 is sleeved at the other end of the slip ring connecting column 9 and is limited through the limiting ring plate 91. The oil seal 10 can prevent lubricating oil of the motor shaft 2 bearing 3 from entering the cavity 6 of the grounding slide ring 5, so that the isolation between the slide ring cavity 6 and the lubricating oil cavity 7 is realized, and the anti-electric corrosion effect of the grounding slide ring 5 is ensured.

In some embodiments, the end cap seal cover 8 includes an inner annular boss 81 and an outer annular boss 82, the grounding slip ring 5 is disposed in a groove formed in the inner annular boss 81, and the oil seal 10 is disposed in a groove formed in the outer annular boss 82.

In some embodiments, the end cap 1 is made of cast iron or cast steel, and may be welded by steel plates or iron plates with different shapes.

The bearing of the heavy-duty motor can be oiled through the lubricating oil cavity, the electric corrosion is reduced by utilizing the grounding slip ring 5, the electric corrosion prevention effect of the grounding slip ring 5 is ensured, the rigidity strength of the heavy-duty motor is ensured through the integral steel (or iron) structure of the motor, thereby prolonging the service life of the motor bearing 2 and 3, shortening the maintenance period of the bearing 3, combining two means for prolonging the service life of the bearing 3 into one, and ensuring that the motor bearing has more competitiveness in the fields of disc industry and ship.

Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same, and although the present utility model has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model, and all such modifications and equivalents are intended to be encompassed in the scope of the claims of the present utility model.

Claims

1. The utility model provides a disk industrial motor's bearing lubrication and anticorrosion integral structure which characterized in that includes:

An end cap (1);

A motor shaft (2), wherein a bearing (3) is arranged between the motor shaft (2) and the end cover (1);

The bearing inner cover (4) is sleeved on the motor shaft (2), matched with one end of the end cover (1) and propped against the bearing (3);

the grounding slip ring (5) is movably connected to the end part of the motor shaft (2);

An end cover sealing cover (8) is matched with the other end of the end cover (1) to form a slip ring cavity (6) for accommodating the grounding slip ring (5) with the end part of the motor shaft (2);

The motor shaft is characterized in that a lubricating oil cavity (7) is formed between the end cover (1), the bearing inner cover (4) and the end cover sealing cover (8), and an oil seal (10) is arranged between the motor shaft (2) and the end cover sealing cover (8) so as to isolate the lubricating oil cavity (7) from the slip ring cavity (6).

2. The integrated bearing lubrication and corrosion prevention structure of a disc type industrial motor according to claim 1, wherein an oil filling hole (71) communicated with the lubricating oil cavity (7) is formed in one radial end of the end cover (1), and an oil draining hole (72) communicated with the lubricating oil cavity (7) is formed in the other radial end of the end cover (1).

3. A bearing lubrication and corrosion protection integrated structure of a disc type industrial motor according to claim 2, wherein the end cover (1) is provided with an oil passage (73), the oil passage (73) is respectively communicated with the oil filling hole (71) and the oil cavity (7), and the oil passage (73) comprises an axial section (74) axially arranged along the end cover (1) and an inclined section (75) inclined to the axial section (74).

4. A disc industrial motor bearing lubrication and corrosion protection integrated structure according to claim 1, characterized in that the end cap (1) is provided with a mounting groove (11) for mounting the outer ring of the bearing (3).

5. A bearing lubrication and corrosion protection integrated structure of a disc type industrial motor according to claim 1 or 4, wherein the bearing inner cover (4) is axially extended with an annular pressing plate (41) which abuts against the outer ring of the bearing (3).

6. The integrated bearing lubrication and corrosion prevention structure of a disc type industrial motor according to claim 1 or 4, wherein a positioning boss (21) propped against one end of an inner ring of the bearing (3) is extended at one end of the motor shaft (2), and a mounting ring (22) propped against the other end of the inner ring of the bearing (3) is sleeved on the motor shaft (2).

7. The integrated bearing lubrication and corrosion protection structure of a disc type industrial motor according to claim 1, wherein the inner hole of the bearing inner cover (4) is distributed with oil-proof grooves (42).

8. The integrated bearing lubrication and corrosion prevention structure of a disc type industrial motor according to claim 1, further comprising a slip ring connecting column (9), wherein a limiting ring plate (91) radially extends from the slip ring connecting column (9), one end of the slip ring connecting column (9) is connected to the end of the motor shaft (2) through threads, and the grounding slip ring (5) is sleeved at the other end of the slip ring connecting column (9) and is limited through the limiting ring plate (91).

9. The integrated bearing lubrication and corrosion protection structure of a disc type industrial motor according to claim 1, wherein the end cover sealing cover (8) comprises an inner annular boss (81) and an outer annular boss (82), the grounding slip ring (5) is arranged in a groove formed in the inner annular boss (81), and the oil seal (10) is arranged in a groove formed in the outer annular boss (82).

10. The integrated bearing lubrication and corrosion protection structure of a disc type industrial motor according to claim 1, wherein the end cover (1) is made of cast iron or cast steel.