CN216442450U - Motor end cover dismounting tool - Google Patents

Abstract

The utility model relates to the technical field of motor end cover dismounting equipment, and discloses a motor end cover dismounting tool, which comprises: a support disc; the first through holes penetrate through the supporting disc along the axial direction of the supporting disc; the first through hole can be aligned with a mounting hole on the motor shell; a positioning bolt capable of being simultaneously inserted into the first through hole and the mounting hole; the second through holes penetrate through the supporting disc along the axial direction of the supporting disc; the second through hole can be aligned with a threaded hole in the motor end cover; a fixing bolt capable of being inserted into the second through hole and the end cap hole simultaneously; the central threaded hole is formed in the center of the supporting disc; and the central bolt is matched with the central threaded hole. Compared with the prior art, the motor end cover dismounting tool disclosed by the utility model can be used for dismounting the motor end cover, so that the working efficiency can be improved, and the damage to the motor end cover or other parts of a motor in the dismounting process of the end cover can be avoided or reduced.

Description

Motor end cover dismounting tool

Technical Field

The utility model relates to the technical field of motor end cover dismounting equipment, in particular to a motor end cover dismounting tool.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to an electromagnetic induction law. The motor is represented by a letter M (old standard is represented by a letter D) in a circuit, the motor mainly plays a role of generating driving torque and serving as a power source of electrical appliances or various machines, and the generator is represented by a letter G in a circuit and mainly plays a role of converting mechanical energy into electric energy.

When a fault occurs inside the motor or parts inside the motor need to be replaced, the end cover of the motor needs to be detached. Most of the existing disassembling modes are that after a bolt for connecting a motor end cover and a motor shell is disassembled, the end cover is disassembled in a prying mode through a prying tool. This removal is not only time consuming and labor intensive, but also may damage the end caps and the components inside the motor during the prying process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a motor end cover disassembling tool which can increase the efficiency of disassembling and assembling an end cover and avoid or reduce the damage to the motor end cover or other parts of a motor in the process of disassembling and assembling the end cover.

In order to achieve the above object, the present invention provides a motor end cover disassembling tool, including:

a support disc;

the first through holes penetrate through the supporting disc along the axial direction of the supporting disc; the first through hole can be aligned with a mounting hole on the motor shell;

a positioning bolt capable of being simultaneously inserted into the first through hole and the mounting hole;

the second through holes penetrate through the supporting disc along the axial direction of the supporting disc; the second through hole can be aligned with a threaded hole in the motor end cover;

a fixing bolt capable of being simultaneously inserted into the second through hole and the end cap hole;

the central threaded hole is arranged in the center of the supporting disc;

and the central bolt is matched with the central threaded hole.

Compared with the prior art, when the motor end cover dismounting tool is used for dismounting the motor end cover, the working efficiency of dismounting can be improved, and damage to the motor end cover or other parts of the motor in the process of dismounting the end cover is avoided or reduced.

Further, motor end cover assembly and disassembly tools still includes fixation nut, fixation nut with fixing bolt looks adaptation.

Further, a plurality of the first through holes are distributed at intervals along the circumferential direction of the support disc.

Further, a plurality of second through holes are distributed at intervals along the circumferential direction of the supporting disc.

Further, the central bolt comprises a head and a screw, wherein a non-circular groove is formed in the upper end face of the head, and is used for accommodating a rotating tool, so that the rotating tool can extend into the non-circular groove and drive the bolt to rotate.

Further, the non-circular groove is a pentagonal prism shaped or hexagonal prism shaped groove.

Further, the positioning bolt is an inner hexagon bolt.

Additional features and advantages of the utility model will be set forth in the detailed description which follows.

Drawings

FIG. 1 is a schematic structural view of one embodiment of a motor end cap dismounting tool of the present invention;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a schematic view of the motor end cap removal tool assembled to the motor;

FIG. 4 is an exploded view of FIG. 3;

FIG. 5 is a schematic view of the construction of one embodiment of a center bolt.

Description of the reference numerals

10 a support disc; 11 a first through-hole; 12 mounting holes; 13 positioning the bolt; 14 a second via hole; 15 end cap holes; 16 fixing the bolt; 17 a central threaded hole; 18 center bolt; 18a head portion; 18b a screw; 18c non-circular grooves.

Detailed Description

The following describes in detail specific embodiments of the present invention. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

In the present invention, the use of the terms of orientation such as "upper and lower" in the case where no description is made to the contrary generally means the orientation in the assembled and used state. "inner and outer" refer to the inner and outer contours of the components themselves.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the utility model herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The utility model provides a motor end cover dismounting tool, as shown in fig. 1-5, the motor end cover dismounting tool comprises:

a support plate 10;

a plurality of first through holes 11, which penetrate the support disc 10 along the axial direction of the support disc 10; the first through hole 11 can be aligned with the mounting hole 12 on the motor housing 100;

a positioning bolt 13 capable of being simultaneously inserted into the first through hole 11 and the mounting hole 12;

a plurality of second through holes 14, each penetrating the support disc 10 in the axial direction of the support disc 10; the second through hole 14 can be aligned with an end cover hole 15 on the motor end cover;

a fixing bolt 16, the fixing bolt 16 being capable of being inserted into the second through hole 14 and the end cap hole 15 at the same time;

a central threaded hole 17 provided in the center of the support plate 10;

and the central bolt 18 is matched with the central threaded hole 17.

When the end cover of the motor is disassembled, the fixing bolt 16 is inserted into the second through hole 14. The positioning bolt 13 is inserted into the first through hole 11 and simultaneously inserted into the mounting hole 12 to perform a positioning function, so that the support disc 10 and the motor end cover are in a coaxial state. Wherein both the first through hole 11 and the second through hole 14 are unthreaded.

Note that the mounting hole 12 is provided in the motor itself. The end cover and the motor are mounted, and then the bolts matched with the end cover and the motor are assembled in the mounting holes 12, so that the end cover and the motor can be fixed. When the end cap is removed, the bolts first need to be removed. The part of the mounting hole 12 located at the end cover of the motor is not provided with screw threads, and the part located at the shell of the motor is provided with screw threads.

Rotating the fixing bolt 16 screws the fixing bolt 16 into the end cap hole 15. The end cap hole 15 is also provided in the end cap itself, and the end cap hole 15 is provided with a thread adapted to the thread of the fixing bolt 16. In this way, the motor end cap and the support plate 10 can be fixed.

The center bolt 18 is inserted into the central threaded bore 17 and extends into the central axial bore 20 of the end cap. It should be noted that the central bolt 18 is provided with a thread, and the thread is matched with the central threaded hole 17; the central shaft hole 20 of the motor end cover is unthreaded and the diameter of the central shaft hole 20 is larger than the diameter of the central bolt 18.

The center shaft hole 20 is provided in the motor itself.

After the central bolt 18 is inserted into the central threaded hole 17, the supporting plate 10 can be driven upwards by rotating the central bolt 18 through a rotating tool, so that the motor end cover is separated from the motor, and the motor end cover is detached.

The principle of assembling the end cover is the same as that of disassembling the end cover, and the operation is reversed. Therefore, the process of assembling the motor end cover will not be described in additional detail herein.

Compared with the prior art, the motor end cover dismounting tool disclosed by the utility model can be used for dismounting the motor end cover, so that the working efficiency can be improved, and the damage to the motor end cover or other parts of a motor in the dismounting process of the end cover can be avoided or reduced.

In an alternative embodiment, as shown in fig. 2, the motor end cover disassembling tool further includes a fixing nut 19, and the fixing nut 19 is assembled on the fixing bolt 16 at the beginning of disassembling the motor end cover. After the fixing nut 19 is installed, the heads of the fixing nut 19 and the fixing bolt 16 are respectively located at the upper and lower sides of the support plate 10. The function of the fixing nut 19 is: the contact between the support plate 10 and the motor end cover can be avoided, and the acting point between the motor end cover and the support plate 10 is transferred to the fixing nut 19.

In an alternative embodiment, a plurality of the first through holes 11 are distributed at intervals along the circumference of the support disk 10. A plurality of the second through holes 14 are distributed at intervals along the circumference of the support disk 10. Provided that the first through hole 11 can be aligned with the mounting hole 12; the second through hole 14 can be aligned with the end cap hole 15.

In order to facilitate the rotation of the central bolt 18, in an alternative embodiment of the utility model, the central bolt 18 is optimized. As shown in fig. 5, the central bolt 18 includes a head 18a and a screw 18b, and an upper end surface of the head 18a is provided with a non-circular groove 18c, and the non-circular groove 18c is used for accommodating a rotating tool so that the rotating tool can extend into the non-circular groove 18c to rotate the central bolt 18. In a preferred embodiment, the non-circular grooves 18c are pentagonal prism shaped grooves or hexagonal prism shaped grooves. In fact, when the non-circular recess 18c is a pentagonal prism shaped recess or a hexagonal prism shaped recess, the center bolt 18 corresponds to an inner pentagonal bolt or an inner hexagonal bolt.

In a preferred embodiment, the central bolt 18 and the positioning bolt 13 are both internal hexagonal bolts. In the selection of the rotary tool, a socket head wrench is selected to drive the central bolt 18.

The preferred embodiments of the present invention have been described in detail, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.

It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the utility model. The utility model is not described in detail in order to avoid unnecessary repetition.

In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.

Claims (7)

1. The utility model provides a motor end cover assembly and disassembly tools which characterized in that, motor end cover assembly and disassembly tools includes:

a support disc (10);

a plurality of first through holes (11) which penetrate the support disc (10) along the axial direction of the support disc (10); the first through hole (11) can be aligned with a mounting hole (12) on the motor shell (100);

a positioning bolt (13) insertable simultaneously into the first through hole (11) and the mounting hole (12);

a plurality of second through holes (14) which penetrate the support disc (10) along the axial direction of the support disc (10); the second through hole (14) can be aligned with an end cover hole (15) on the motor end cover;

a fixing bolt (16), the fixing bolt (16) being insertable into the second through hole (14) and the end cap hole (15) simultaneously;

a central threaded hole (17) arranged in the center of the support disc (10);

and the central bolt (18) is matched with the central threaded hole (17).

2. The motor end cover disassembling tool according to claim 1, wherein the motor end cover disassembling tool further comprises a fixing nut (19), and the fixing nut (19) is matched with the fixing bolt (16).

3. The motor end cover disassembly and assembly tool of claim 1, wherein a plurality of the first through holes (11) are distributed at intervals along the circumference of the support disc (10).

4. The motor end cap disassembly and assembly tool of claim 1, wherein a plurality of second through holes (14) are distributed at intervals along the circumference of the support disc (10).

5. The motor end cover disassembling tool according to claim 1, wherein the central bolt (18) comprises a head part (18 a) and a screw rod (18 b), the upper end face of the head part (18 a) is provided with a non-circular groove (18 c), and the non-circular groove (18 c) is used for accommodating a rotating tool, so that the rotating tool can extend into the non-circular groove (18 c) and drive the bolt (18) to rotate.

6. The motor end cap disassembly and assembly tool of claim 5, wherein the non-circular groove (18 c) is a pentagonal prism shaped or a hexagonal prism shaped groove.

7. The motor end cover disassembly and assembly tool of claim 1, wherein the positioning bolt (13) is an internal hexagon bolt.

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