CN110513396B

CN110513396B - Insulation type sealing end cover of motor rotating shaft bearing

Info

Publication number: CN110513396B
Application number: CN201910832642.0A
Authority: CN
Inventors: 王冬暄
Original assignee: Anhui Province Hanshan County Lintou Zhenwan Foundry Factory
Current assignee: ANHUI PROVINCE HANSHAN COUNTY LINTOU ZHENWAN FOUNDRY FACTORY
Priority date: 2019-09-04
Filing date: 2019-09-04
Publication date: 2020-11-17
Anticipated expiration: 2039-09-04
Also published as: CN110513396A

Abstract

The invention provides an insulation type sealing end cover of a motor rotating shaft bearing, which comprises an insulation cover; the right end of the insulating cover is fixedly connected with an outer lining plate through four long-leg bolts; a sealing mechanism is arranged on the inner wall of the outer lining plate; and compensation mechanisms are arranged at two ends of the sealing mechanism along the inner wall of the outer lining plate. The invention provides an insulation type sealing end cover of a motor rotating shaft bearing, which is characterized in that two fixing holes which penetrate through the left and right are symmetrically formed in an insulation cover, an outer lining plate is fixedly arranged at the right end of the insulation cover, the upper end and the lower end of the right end surface of the outer lining plate are respectively and vertically provided with a correction column, the upper end and the lower end of the right end surface of the outer lining plate can be connected with a bearing seat through the fixing holes by bolts to cover the bearing, six ring stops with uniform intervals are vertically arranged at the ring edge of a shaft groove, and four insulation columns with uniform intervals are arranged at the ring edge of an inner groove of the insulation cover.

Description

Insulation type sealing end cover of motor rotating shaft bearing

Technical Field

The invention relates to the technical field of wind power generation, in particular to an insulating sealing end cover of a motor rotating shaft bearing.

Background

The bearing is a component for fixing and reducing the load friction coefficient in the mechanical transmission process. It can also be said that the member for reducing the friction coefficient during power transmission and keeping the center position of the shaft fixed when the other members are moved relative to each other on the shaft. The bearing is a lightweight part in modern mechanical equipment. The main function of the bearing sealing end cover is to support a mechanical rotating body so as to reduce the mechanical load friction coefficient of equipment in the transmission process, the sealing end covers of the existing rolling bearing are usually arranged at the upper end and the lower end of the rolling bearing, for example, the bearing sealing end cover in patent application CN201721369235.3 comprises a framework and a sealing ring fixed on the framework, the framework is of an annular structure, the outer ring of the framework is fixedly connected or clamped with the outer ring of the bearing, the part of the sealing ring, which is positioned in the inner ring of the framework, is provided with a plurality of inner lip edges, the inner lip edges are arranged from top to bottom, and the second inner lip edge from top to bottom and the inner lip edges below the. The utility model discloses a set up the thru hole on end cover's the sealing lip limit with the contact of bearing inner race on the middle part, during the use, lubricating grease in the bearing inner chamber gets into between sealing lip limit and the bearing inner race along the thru hole, lubricating grease uses the thru hole as the center, flow to both sides, thereby shorten the flow distance of lubricating grease, make lubricating grease can be covered with between bearing inner race and the sealing lip limit, the sealing lip limit obtains abundant lubrication with the bearing inner race, improve lubricated effect, reduce frictional force, thereby reduce the bearing temperature, guarantee the life of bearing.

The existing bearing end cover is easy to generate poor sealing in the using process and vibration in the continuous rotating process of a shaft rod, so that the lubricating effect is poor, the bearing cannot be sufficiently lubricated, the service life of the bearing is shortened, in addition, the existing bearing end cover is also easy to contact with an external object, and once the existing bearing end cover touches, electric shock is easy to occur.

Disclosure of Invention

Problem (A)

In summary, the invention provides an insulation type end cover of a motor rotating shaft bearing, which solves the problems that the existing end cover of the bearing is in continuous vibration and is easy to have poor sealing in the continuous rotation process of a shaft rod in the using process of the existing end cover of the bearing, so that the lubricating effect is poor, the bearing cannot be sufficiently lubricated, the service life of the bearing is shortened, in addition, the existing end cover of the bearing is easy to contact with an external object, and once the existing end cover of the bearing is in contact, the problem of electric shock is easy to occur.

(II) technical scheme

The invention provides an insulation type sealing end cover of a motor rotating shaft bearing, which is used for carrying out technical innovation on the insulation type sealing end cover of the motor rotating shaft bearing and specifically comprises the following steps: an insulating cover; the right end of the insulating cover is fixedly connected with an outer lining plate through four long-leg bolts; a sealing mechanism is arranged on the inner wall of the outer lining plate; and compensation mechanisms are arranged at two ends of the sealing mechanism along the inner wall of the outer lining plate.

Preferably, the insulating cover further comprises a fixing hole, an outer lining plate, a correcting column, an axial groove, a ring baffle, an insulating column and a reserved fixing groove, the insulating cover is symmetrically provided with two fixing holes which are penetrated left and right, the right end of the insulating cover is fixedly provided with the outer lining plate, and the correcting column is vertically arranged at the upper end and the lower end of the right end face of the outer lining plate respectively.

Preferably, the middle part of the inner groove of the insulating cover is fixedly provided with a shaft groove, six ring baffles with uniform intervals are vertically arranged at the ring edge of the shaft groove, and four insulating columns with uniform intervals are arranged at the ring edge of the inner groove of the insulating cover.

Preferably, the outer lining plate further comprises a sleeve and correction holes, the sleeve is fixedly butted at the left end of the outer lining plate, the left end of the sleeve is butted with the outer lining plate, and the outer lining plate is provided with four correction holes corresponding to the correction columns.

Preferably, sealing mechanism still includes fin, oil storage hole and construction bolt, sealing mechanism's both ends interval evenly is provided with the fin of cambered surface, the oil storage hole has been seted up on the sealing mechanism between the fin, sealing mechanism's cyclic annular inner panel passes through construction bolt to be fixed in the main part.

Preferably, the compensation mechanism further comprises a sealing ring, an oil baffle body, an end surface groove and a convex lip, and the sealing ring is arranged at two ends of the outer wall and the inner wall of the compensation mechanism respectively.

Preferably, one end fixedly connected with oil baffle body that compensation mechanism and sealing mechanism are connected, the last interval of oil baffle body evenly corresponds the fin and has seted up the end face groove, leave the space between oil baffle body and the sealing mechanism.

Preferably, the outer end of the oil baffle body is fixedly provided with an annular convex lip, the upper end of the convex lip is higher than the bottom plane of the end surface groove, and the bottom plane of the fin plate is provided with a corresponding groove table.

(III) advantageous effects

The invention provides an insulation type sealing end cover of a motor rotating shaft bearing, which is characterized in that two fixing holes which penetrate through the left and right are symmetrically formed in an insulation cover, an outer lining plate is fixedly arranged at the right end of the insulation cover, the upper end and the lower end of the right end surface of the outer lining plate are respectively and vertically provided with a correction column, the upper end and the lower end of the right end surface of the outer lining plate can be connected with a bearing seat through the fixing holes by bolts to cover the bearing, six ring stops with uniform intervals are vertically arranged at the ring edge of a shaft groove, and four insulation columns with uniform intervals are arranged at the ring edge of an inner groove of the insulation cover.

The invention provides an insulation type sealing end cover of a motor rotating shaft bearing, because both ends of a sealing mechanism are uniformly provided with cambered fins at intervals, an oil storage hole is arranged on the sealing mechanism between the fins, an annular inner plate of the sealing mechanism is fixed on a main body through a mounting bolt, after oil is filled in the oil storage hole, lubricating oil can be filled on both sides of the sealing mechanism, the sealing effect is improved, one end of a compensation mechanism connected with the sealing mechanism is fixedly connected with an oil baffle body, the upper interval of the oil baffle body is uniformly provided with end surface grooves corresponding to the fins, a gap is left between the oil baffle body and the sealing mechanism, a structure for preventing fluid leakage is kept to be attached and relatively slide under the action of fluid pressure and the compensation mechanism and the cooperation of the compensation mechanism, an annular convex lip is fixedly arranged at the outer end of the oil baffle body, and the upper end of the convex lip is higher than the bottom plane of the end surface grooves, and the bottom plane of the fin plate is provided with a corresponding slot platform.

Drawings

FIG. 1 is a schematic top-left front axial view in accordance with an embodiment of the present invention;

FIG. 2 is a schematic diagram of a right front upper axial view in an embodiment of the present invention;

FIG. 3 is a front view schematically illustrating the structure of the outer liner and the insulation cover in a separated state according to an embodiment of the present invention;

FIG. 4 is a schematic view of an enlarged portion of FIG. 3 in accordance with an embodiment of the present invention;

FIG. 5 is a front view schematically illustrating the structure of the outer liner and the insulation cover in a separated state according to an embodiment of the present invention;

FIG. 6 is a schematic structural view of a sealing mechanism and a compensating mechanism in a separated state according to an embodiment of the present invention;

FIG. 7 is a schematic axial view of a portion of a compensation mechanism according to an embodiment of the present invention;

FIG. 8 is an axial view of the insulating cover in an embodiment of the invention;

in fig. 1 to 8, the correspondence between the part names or lines and the reference numbers is:

1. an insulating cover; 101. a fixing hole; 102. an outer liner; 103. a correction column; 104. a shaft groove; 105. blocking by a ring; 106. an insulating column; 107. reserving a fixing groove; 2. an outer liner; 201. a sleeve; 202. straightening holes; 3. a long leg bolt; 4. a sealing mechanism; 401. a fin plate; 402. an oil storage hole; 403. installing a bolt; 5. a compensation mechanism; 501. a seal ring; 502. an end face groove; 504. a convex lip.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Please refer to fig. 1 to 8.

In order to solve the problems that in the prior art, when an existing insulation type sealing end cover of a motor rotating shaft bearing is used and a shaft rod continuously rotates, the bearing sealing end cover continuously vibrates, the sealing is not tight, the lubricating effect is poor, the bearing cannot be sufficiently lubricated, and the service life of the bearing is shortened, in addition, the existing bearing end cover is easy to contact with an external object, and once the contact occurs, the electric shock is easy to occur, the invention provides the insulation type sealing end cover of the motor rotating shaft bearing, which is used for carrying out technical innovation on the insulation type sealing end cover of the motor rotating shaft bearing, and comprises the following steps: an insulating cover 1; the right end of the insulating cover 1 is fixedly connected with an outer lining plate 2 through four long-leg bolts 3; the inner wall of the outer lining plate 2 is provided with a sealing mechanism 4; the two ends of the sealing mechanism 4 are provided with compensation mechanisms 5 along the inner wall of the outer liner plate 2.

Wherein, insulating lid 1 still includes fixed orifices 101, outer liner plate 102, corrects post 103, shaft groove 104, ring fender 105, insulating column 106 and reservation fixed slot 107, and insulating lid 1 is gone up the symmetry and is seted up two fixed orifices 101 that run through about, and the right-hand member fixed mounting of insulating lid 1 has outer liner plate 102, and the upper end and the lower extreme of outer liner plate 102 right-hand member face are installed perpendicularly respectively and are corrected post 103, and accessible fixed orifices 101 use the bolt to be connected with the bearing frame, covers the bearing seal.

The middle part of the inner groove of the insulating cover 1 is fixedly provided with a shaft groove 104, the ring edge of the shaft groove 104 is vertically provided with six ring baffles 105 with uniform intervals, and the ring edge of the inner groove of the insulating cover 1 is provided with four insulating columns 106 with uniform intervals, so that the electric conduction through a shaft rod can be avoided.

The outer liner plate 2 further comprises a sleeve 201 and a correction hole 202, the sleeve 201 is fixedly butted at the left end of the outer liner plate 2, the left end of the sleeve 201 is butted with the outer liner plate 102, four correction holes 202 corresponding to the correction columns 103 are formed in the outer liner plate 2, and due to the arrangement of the correction columns 103, more accurate butt joint can be guaranteed, and the sealing effect is improved.

The sealing mechanism 4 further comprises fins 401, oil storage holes 402 and mounting bolts 403, the fins 401 with cambered surfaces are evenly arranged at two ends of the sealing mechanism 4 at intervals, the oil storage holes 402 are formed in the sealing mechanism 4 between the fins 401, the annular inner plate of the sealing mechanism 4 is fixed on the main body through the mounting bolts 403, and after oil is injected into the oil storage holes 402, lubricating oil can be filled in two sides of the sealing mechanism 4, so that the sealing effect is improved.

The compensating mechanism 5 further comprises a sealing ring 501, an oil baffle 502, an end surface groove 503 and a protruding lip 504, wherein the sealing ring 501 is arranged at two ends of the outer wall and the inner wall of the compensating mechanism 5 respectively, and the sealing performance at the two ends is guaranteed.

Wherein, the one end fixedly connected with oil baffle 502 that compensation mechanism 5 is connected with sealing mechanism 4, the last interval of oil baffle 502 is evenly seted up terminal surface groove 503 corresponding fin 401, leaves the space between oil baffle 502 and the sealing mechanism 4, keeps laminating and relative slip and the structure that prevents the fluid leakage that constitutes under the effect of fluid pressure and compensation mechanism 5 and the cooperation of compensation mechanism 5.

Wherein, the outer end of the oil baffle 502 is fixedly provided with an annular lip 504, the upper end of the lip 504 is higher than the bottom plane of the end surface groove 503, and the bottom plane of the fin 401 is provided with a corresponding groove platform.

The specific use mode and function of the embodiment are as follows:

when the invention is used, a bearing is embedded in a sealing mechanism 4, two fixing holes 101 which are penetrated through from left to right are symmetrically arranged on an insulating cover 1, an outer lining plate 102 is fixedly arranged at the right end of the insulating cover 1, the upper end and the lower end of the right end surface of the outer lining plate 102 are respectively vertically provided with a correcting column 103, the insulating cover 1 can be connected with a bearing seat through the fixing holes 101 by bolts to cover the bearing, the middle part of an inner groove of the insulating cover 1 is fixedly provided with a shaft groove 104, the ring edge of the shaft groove 104 is vertically provided with six ring baffles 105 with uniform intervals, the ring edge of the inner groove of the insulating cover 1 is provided with four insulating columns 106 with uniform intervals, the electric conduction through a shaft rod can be avoided, the left end of an outer lining plate 2 is fixedly butted with a sleeve 201, the left end of the sleeve 201 is butted with the outer lining plate 102, the outer lining plate 2 is provided with four correcting holes 202 corresponding to the correcting columns 103, more accurate butt joint can be ensured, and the sealing effect is improved;

in addition, cambered fins 401 are uniformly arranged at two ends of the sealing mechanism 4 at intervals, oil storage holes 402 are formed in the sealing mechanism 4 between the fins 401, an annular inner plate of the sealing mechanism 4 is fixed on the main body through mounting bolts 403, after oil is injected into the oil storage holes 402, lubricating oil can be filled in two sides of the sealing mechanism 4, the sealing effect is improved, an oil blocking body 502 is fixedly connected to one end of the compensation mechanism 5 connected with the sealing mechanism 4, an end surface groove 503 is formed in the oil blocking body 502 at an interval uniformly corresponding to the fins 401, a gap is reserved between the oil blocking body 502 and the sealing mechanism 4, a structure for preventing fluid leakage is formed by keeping the oil blocking body to be attached and relatively slide under the action of fluid pressure and the compensation mechanism 5 and the cooperation of the compensation mechanism 5, in addition, an annular convex lip 504 is fixedly arranged at the outer end of the oil blocking body 502, and the upper end of the convex lip 504 is higher than the bottom plane of the end, the bottom plane of the fin 401 is provided with a corresponding slot platform.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. An insulation formula end cover of motor shaft bearing, its characterized in that includes: an insulating cover (1); the right end of the insulating cover (1) is fixedly connected with a first outer lining plate (2) through four long-leg bolts (3); a sealing mechanism (4) is arranged on the inner wall of the first outer lining plate (2); two ends of the sealing mechanism (4) are provided with compensation mechanisms (5) along the inner wall of the first outer lining plate (2);

the sealing mechanism (4) further comprises fins (401), oil storage holes (402) and mounting bolts (403), the two ends of the sealing mechanism (4) are uniformly provided with the fins (401) with cambered surfaces at intervals, the oil storage holes (402) are formed between the fins (401), and an annular inner plate of the sealing mechanism (4) is fixed on the main body through the mounting bolts (403);

the compensating mechanism (5) further comprises a sealing ring (501), an oil baffle body (502), an end surface groove (503) and a convex lip (504), and the sealing ring (501) is arranged at two ends of the outer wall and the inner wall of the compensating mechanism (5) respectively;

one end fixedly connected with oil baffle body (502) that compensation mechanism (5) and sealing mechanism (4) are connected, end face slot (503) have been seted up to the last interval of oil baffle body (502) evenly corresponding fin (401), leave the space between oil baffle body (502) and sealing mechanism (4).

2. The insulation type sealing end cover of the motor rotating shaft bearing is characterized in that the insulation cover (1) further comprises a fixing hole (101), a second outer lining plate (102), a correction column (103), a shaft groove (104), a ring stop (105), an insulation column (106) and a reserved fixing groove (107), the insulation cover (1) is symmetrically provided with the two fixing holes (101) which penetrate through from left to right, the right end of the insulation cover (1) is fixedly provided with the second outer lining plate (102), and the upper end and the lower end of the right end face of the second outer lining plate (102) are respectively and vertically provided with the correction column (103);

the insulating cover is characterized in that a shaft groove (104) is fixedly arranged in the middle of an inner groove of the insulating cover (1), six ring baffles (105) with uniform intervals are vertically arranged at the ring edge of the shaft groove (104), and four insulating columns (106) with uniform intervals are arranged at the ring edge of the inner groove of the insulating cover (1).

3. The insulation type end cover for the motor rotating shaft bearing according to claim 1, wherein the first outer liner plate (2) further comprises a sleeve (201) and a correction hole (202), the sleeve (201) is fixedly butted at the left end of the first outer liner plate (2), the left end of the sleeve (201) is butted with the second outer liner plate (102), and four correction holes (202) corresponding to the correction columns (103) are formed in the first outer liner plate (2).

4. The insulation type end cover for the motor rotating shaft bearing according to claim 1, wherein an annular convex lip (504) is fixedly arranged at the outer end of the oil baffle body (502), the upper end of the convex lip (504) is higher than the bottom plane of the end surface groove (503), and a corresponding groove table is arranged on the bottom plane of the fin plate (401).