CN216111763U

CN216111763U - Double-split bearing end cover of motor

Info

Publication number: CN216111763U
Application number: CN202122658599.6U
Authority: CN
Inventors: 毕金峰; 王志涛; 刘永山; 伊庭伟
Original assignee: Jianlong Beiman Special Steel Co Ltd
Current assignee: Jianlong Beiman Special Steel Co Ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-03-22
Anticipated expiration: 2031-11-02

Abstract

The utility model relates to a double-split bearing end cover of a motor, and belongs to the technical field of motors. The problem of when motor coupling and bearing gland apart from very little, it can not realize the dismouting, must tear down motor coupling and just can change and maintain is solved. Including gland dish and two tang boards, two tang board symmetries set up and form the annularity, the gland dish includes left gland and right gland, and left gland is the Z type with the connecting portion of right gland, and left gland forms the annularity with right gland, and the gland dish sets up with the axle center with the tang board, and processing has the second screw hole on the tang board, and left gland, right gland are covered and are corresponded the position processing with the second screw hole and have first screw hole, and the bolt passes first screw hole, second screw hole and makes the gland dish be connected with the tang board. The motor shaft coupling can be replaced and adjusted even when the distance between the motor shaft coupling and the bearing gland is small; reasonable structure, good applicability, convenient disassembly, reduced workload, saved maintenance time and improved efficiency.

Description

Double-split bearing end cover of motor

Technical Field

The utility model relates to a split type bearing gland, and belongs to the technical field of motors.

Background

At present, bearing glands of large motors in China are mostly integrated, are a very mature using method and are widely applied to fixing the positions of bearings of equipment. But in long-term equipment use, if the bearing gland damages, must decompose large-scale direct current motor, dismantle motor rotor from the stator promptly, then just can change motor gland, this kind of working method, great improvement the time of changing motor gland for the overhaul of the equipments time extension is unfavorable for the equipment to carry out the production. The utility model discloses a split type semicircular bearing gland with the publication number of CN201904681U, and the technical means is that two semicircular bearing glands are matched with a motor to be installed, so that the problem of inconvenient disassembly when the motor gland is replaced is solved.

But in long-term work practice, split type semicircle bearing gland operation still has some problems, and when motor coupling and bearing gland apart from very little, it can not realize the dismouting, must tear down motor coupling and just can change and maintain, has increased workman's work load promptly, wastes repair time simultaneously, reduce efficiency.

Therefore, it is desirable to provide a double-split bearing end cover for a motor to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model solves the problems that when the distance between the motor coupler and the bearing gland is small, the motor coupler can not be disassembled and assembled, and the motor coupler can be replaced and maintained only by disassembling. The following presents a simplified summary of the utility model in order to provide a basic understanding of some aspects of the utility model. It should be understood that this summary is not an exhaustive overview of the utility model. It is not intended to determine the key or critical elements of the present invention, nor is it intended to limit the scope of the present invention.

The technical scheme of the utility model is as follows:

the utility model provides a two split type bearing end covers of motor, includes gland dish and two tang boards, two tang board butt joints and sets up and form the circularity, the gland dish includes left gland and right gland, and left gland is the Z type with the connecting portion of right gland, and left gland forms the circularity with right gland butt joint, and the gland dish sets up with the axle center with the tang board, and processing has the second screw hole on the tang board, and left gland, right gland are gone up and are corresponded the position processing with the second screw hole and have first screw hole, and the bolt passes first screw hole, second screw hole and makes the gland dish be connected with the tang board.

Preferably: and a plurality of connecting holes which are arranged in an array are processed on the gland plate.

Preferably: the first threaded holes and the second threaded holes are arranged in an array.

Preferably: the second threaded hole is a threaded counter bore.

Preferably: the spigot plate is provided with a hemispherical protrusion, and a hemispherical groove is processed on the gland plate at a position corresponding to the hemispherical protrusion.

The utility model has the following beneficial effects:

the motor shaft bearing cover, the motor lubricating oil and the motor bearing clearance can be replaced and adjusted even when the distance between the motor coupling and the bearing gland is small; such structure possesses that the structure is more reasonable, the suitability is better, use more nimble, dismantle more convenient, has reduced workman's workman work load and has saved maintenance time raising the efficiency.

Drawings

FIG. 1 is a side view of a motor double split bearing end cap;

FIG. 2 is an exploded view of a motor double split bearing end cap;

FIG. 3 is a schematic view of the construction of the stop plate;

fig. 4 is a schematic view of the structure of the capping disk.

In the figure, 1-a gland plate, 2-a spigot plate, 3-a first threaded hole, 4-a second threaded hole, 5-a hemispherical protrusion, 6-a hemispherical groove, 10-a connecting hole, 11-a left gland and 12-a right gland.

Detailed Description

In order that the objects, aspects and advantages of the utility model will become more apparent, the utility model will be described by way of example only, and in connection with the accompanying drawings. It is to be understood that such description is merely illustrative and not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The connection mentioned in the utility model is divided into fixed connection and detachable connection, the fixed connection is non-detachable connection and includes but is not limited to folding edge connection, rivet connection, bonding connection, welding connection and other conventional fixed connection modes, the detachable connection includes but is not limited to threaded connection, snap connection, pin connection, hinge connection and other conventional detachment modes, when the specific connection mode is not clearly limited, at least one connection mode can be found in the existing connection modes by default to realize the function, and the skilled person can select according to the needs. For example: the fixed connection selects welding connection, and the detachable connection selects hinge connection.

The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 4, and the motor double-split bearing end cover of the embodiment includes a gland plate 1 and two spigot plates 2, the two spigot plates 2 are butted to form a ring, the gland plate 1 includes a left gland 11 and a right gland 12, a connecting portion of the left gland 11 and the right gland 12 is Z-shaped, the left gland 11 and the right gland 12 are butted to form a ring, the gland plate 1 and the spigot plates 2 are coaxially arranged, a second threaded hole 4 is processed on the spigot plate 2, first threaded holes 3 are processed on the left gland 11 and the right gland 12 corresponding to the second threaded hole 4, and bolts pass through the first threaded holes 3 and the second threaded holes 4 to connect the gland plate 1 and the spigot plates 2; the device is suitable for a 1250kw direct current motor front bearing gland of a 1450 mill main mill and an 800kw direct current motor front bearing gland of a 1200 mill left crimping machine, a gland plate 1 and a spigot plate 2 are connected through bolts and then are installed in a matched mode with a motor, a left gland 11 and a right gland 12 of the gland plate 1 are aligned through a Z-shaped connecting portion, and the left gland 11 and the right gland 12 are made to form a concentric ring shape; when the motor shaft bearing cover is replaced, the motor lubricating oil is replaced and the motor bearing clearance is adjusted, the motor shaft coupling does not need to be disassembled, and the motor shaft bearing cover can be replaced, the motor lubricating oil can be replaced and the motor bearing clearance can be adjusted even when the distance between the motor shaft coupling and the bearing pressing cover is small; such structure possesses that the structure is more reasonable, the suitability is better, use more nimble, dismantle more convenient, has reduced workman's workman work load and has saved maintenance time raising the efficiency.

The second embodiment is as follows: in the present embodiment, a plurality of connection holes 10 arranged in an array are formed in the gland plate 1, and the motor double-split bearing end cap of the present embodiment is described with reference to fig. 1 and 4.

The third concrete implementation mode: the present embodiment is described with reference to fig. 1 to 4, and the motor double-split bearing end cover of the present embodiment includes a plurality of first threaded holes 3 and a plurality of second threaded holes 4 arranged in an array, where the second threaded holes 4 are threaded counter bores to prevent oil leakage.

The fourth concrete implementation mode: the embodiment is described with reference to fig. 1 to 4, and the double-split bearing end cover for the motor of the embodiment has the advantages that the spigot plate 2 is provided with the hemispherical protrusion 5, and the capping plate 1 is provided with the hemispherical groove 6 at a position corresponding to the hemispherical protrusion 5, so that the center of a circle can be conveniently found, the mounting speed can be increased as soon as possible, the working efficiency can be improved, and the connection can be stable.

It should be noted that, in the above embodiments, as long as the technical solutions can be aligned and combined without contradiction, those skilled in the art can exhaust all possibilities according to the mathematical knowledge of the alignment and combination, and therefore, the present invention does not describe the technical solutions after alignment and combination one by one, but it should be understood that the technical solutions after alignment and combination have been disclosed by the present invention.

This embodiment is only illustrative of the patent and does not limit the scope of protection thereof, and those skilled in the art can make modifications to its part without departing from the spirit of the patent.

Claims

1. The utility model provides a motor double split type bearing end cover which characterized in that: including gland dish (1) and two tang boards (2), two tang boards (2) dock and form annularity, gland dish (1) is including left gland (11) and right gland (12), and left gland (11) are the Z type with the connecting portion of right gland (12), and left gland (11) and right gland (12) dock and form the annularity, and gland dish (1) and tang board (2) set up with the axle center, and processing has second screw hole (4) on tang board (2), and processing has first screw hole (3) with second screw hole (4) corresponding position on left gland (11), right gland (12), and the bolt passes first screw hole (3), second screw hole (4) makes gland dish (1) be connected with tang board (2).

2. The electric machine double-split bearing end cover according to claim 1, characterized in that: the cover pressing disc (1) is provided with a plurality of connecting holes (10) which are arranged in an array mode.

3. The electric machine double-split bearing end cover according to claim 1, characterized in that: the first threaded holes (3) and the second threaded holes (4) are arranged in an array.

4. The electric machine double-split bearing end cover according to claim 1 or 3, characterized in that: the second threaded hole (4) is a threaded counter bore.

5. The electric machine double-split bearing end cover according to claim 1, characterized in that: the spigot plate (2) is provided with a hemispherical protrusion (5), and a hemispherical groove (6) is processed on the gland plate (1) at a position corresponding to the hemispherical protrusion (5).