CN217372208U

CN217372208U - Motor rotor overhauling tool

Info

Publication number: CN217372208U
Application number: CN202221197927.5U
Authority: CN
Inventors: 颜志文; 唐亮; 徐萌; 褚冬梅
Original assignee: Lianhong New Materials Technology Co ltd
Current assignee: Lianhong New Materials Technology Co ltd
Priority date: 2022-05-19
Filing date: 2022-05-19
Publication date: 2022-09-06
Anticipated expiration: 2032-05-19

Abstract

The utility model belongs to the technical field of production equipment maintenance, and relates to a motor rotor maintenance tool, which comprises a vertical support and a transverse support which are connected in an L shape, and the joint is provided with an angle bending reinforcing plate; an adjusting pipe barrel which moves under the action of external force is sleeved outside the vertical support, and the adjusting pipe barrel is fixedly connected with the vertical support through a screw and a fastening nut; the transverse support is connected with an inclined support, the front end of the inclined support is provided with a head right angle, the inclined support is provided with a first adjusting screw hole group and a second adjusting screw hole group, the first adjusting screw hole group is connected with a first rotor fixture, and the second adjusting screw hole group is connected with a second rotor fixture; the first and second rotor fixtures are provided with recesses. The utility model has the advantages of can take out the electric motor rotor safety efficient of different models, improve the maintenance efficiency of motor.

Description

Motor rotor overhauling tool

Technical Field

The utility model belongs to the technical field of the production facility maintenance, a electric motor rotor overhauls instrument is related to.

Background

Motors used in industrial production require regular maintenance, wherein extracting a rotor of the motor for inspection is an indispensable item in motor maintenance. At present, a method for extracting a rotor in the large-scale motor overhaul is that a mechanical hoisting tool such as a crane is used for hoisting, and then the rotor is gradually extracted by cooperating with a plurality of people, so that the working hours are about 1.5 hours consumed by a single person. Meanwhile, because the motor rotor is heavy, equipment damage and personnel injury are easily caused by carelessness in the drawing process of the motor rotor.

Therefore, how to safely and efficiently extract the rotor of the large motor becomes a problem to be solved in the large motor maintenance.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of electric motor rotor overhauls instrument can take out the electric motor rotor safety efficient of different models, improves the maintenance efficiency of motor.

The technical scheme of the utility model includes: a motor rotor overhauling tool comprises a vertical support and a transverse support, wherein the ends of the vertical support and the transverse support are connected to form an L shape, and an angle bending reinforcing plate is arranged at the joint of the vertical support and the transverse support; an adjusting pipe barrel is sleeved outside the vertical support, moves up and down along the vertical support under the action of external force, and is fixedly connected with the vertical support through a screw and a fastening nut; the end part of the transverse support far away from the end part connected with the vertical support is connected with an inclined support, the front end of the inclined support is provided with a head right angle, the part of the inclined support close to the front end is provided with a first adjusting screw hole group, the first adjusting screw hole group is connected with a first rotor fixture, the part of the inclined support close to the transverse support is provided with a second adjusting screw hole group, and the second adjusting screw hole group is connected with a second rotor fixture; the first and second rotor fixtures are provided with recesses.

Preferably, the vertical supports and the transverse supports are made of I-shaped steel, and the angle bending reinforcing plates are made of steel plates and are welded and fixed with the vertical supports and the transverse supports.

Preferably, the adjusting pipe barrel is provided with two threaded holes towards the vertical part of the vertical supporting I-shaped steel, and the two threaded holes are symmetrically arranged relative to the vertical part of the I-shaped steel.

Preferably, at least one side of the adjusting pipe barrel is provided with a lifting lug.

Preferably, the first adjusting screw hole group comprises at least two screw holes arranged in the length direction and at least two screw holes arranged in the width direction; the second adjusting screw hole group comprises at least two screw holes arranged in the length direction and at least two screw holes arranged in the width direction.

Preferably, the included angle between the inclined support and the transverse support is 120 degrees.

Preferably, at least the depressions in the first and second rotor fixtures are red copper.

The beneficial effects of the utility model are that: by designing a special motor rotor overhauling tool and designing the overhauling tool to be provided with a vertical support and a transverse support, the special motor rotor overhauling tool and the overhauling tool are connected to form an L shape, and an angle bending reinforcing plate is designed at the joint of the special motor rotor overhauling tool and the transverse support, the strength of the whole overhauling tool is enhanced, and the requirement of the supporting strength of a motor rotor with larger weight is met; meanwhile, an adjusting pipe barrel is sleeved outside the vertical support, different positions of the adjusting pipe barrel on the vertical support are adjusted according to the weights of different motor rotors so as to adapt to different gravity centers of different rotors, achieve horizontal balance of the rotors and avoid scraping a stator coil when the rotors are drawn out; furthermore, the transverse support is connected with the inclined support, the first adjusting screw hole group and the second adjusting screw hole group are designed on the inclined support, the first rotor fixture and the second rotor fixture are fixed by the first adjusting screw hole group and the second adjusting screw hole group respectively, the motor rotor is fixed by the first rotor fixture and the second rotor fixture, and the first adjusting screw hole group and the second adjusting screw hole group can adapt to the sizes of different motor rotors, so that the motor rotors with different models can be drawn out. Furthermore, the front end of the inclined support is designed into a head right angle, so that a vertical surface is formed at the front end of the inclined support and can be abutted against the rotor cage, and the inclined support is partially inserted into the stator cavity by adopting the structure of the inclined support, so that the safety of the rotor during extraction is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is a schematic illustration of an embodiment service tool;

FIG. 2 is a schematic view of a regulating barrel portion in an embodiment;

fig. 3 is a schematic view of a rotor fixing portion in the embodiment.

Wherein:

1. vertical support, 2, horizontal support, 3, angle bend reinforcing plate, 4, adjusting pipe barrel, 41, lifting lug, 42, fastening nut, 43, screw, 5, oblique type support, 51, first adjusting screw hole group, 52, second adjusting screw hole group, 53, head right angle, 54, fastening bolt, 61, first rotor fixture, 62, second rotor fixture, 63 and concave part.

Detailed Description

In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description.

In this document, terms such as "upper, lower, left, right, inner, and outer" are established based on the positional relationship shown in the drawings, and the corresponding positional relationship may vary depending on the drawings, and therefore, the terms are not to be construed as an absolute limitation of the protection scope; moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements. In addition, in the embodiments of the present invention, "above", "below", and the like include the present numbers.

As shown in fig. 1 to 3, the embodiment of the utility model discloses electric motor rotor examines and repair instrument, including vertical support 1 and horizontal support 2, wherein, vertical and horizontal use the direction in fig. 1 to distinguish as the example, in the in-service use, can adjust according to the use scene, for example vertical support 1 can the level place, and the adaptation, horizontal support 2 can the vertical place.

The end parts of the vertical support 1 and the transverse support 2 are connected to form an L shape, and an angle bending reinforcing plate 3 is arranged at the joint of the vertical support 1 and the transverse support 2. Specifically, the vertical support 1 and the transverse support 2 are both made of I-shaped steel, and the ends of the vertical support and the transverse support are connected to form an L shape. The angle bend reinforcing plate 3 is made by the steel sheet and with vertical braces 1 and horizontal support 2 welded fastening to this joint strength of strengthening the joint corner, and then improve the support strength of whole maintenance instrument.

The outside of vertical braces 1 has cup jointed the regulation barrel 4, and this regulation barrel 4 reciprocates along vertical braces 1 under the exogenic action, and regulation barrel 4 passes through screw 43 and fastening nut 42 to be connected fixedly with vertical braces 1. The design of the adjusting pipe barrel 4 has the advantages that due to the fact that different motor rotors are different in key points, weight balance adjustment can be conducted through the adjusting pipe barrel 4, and the fact that stator coils are rubbed when the rotors are pulled out is avoided. Specifically, as shown in fig. 2, the adjusting tube barrel 4 is provided with two threaded holes towards the vertical part of the i-steel of the vertical support 1, and the threaded holes are symmetrically arranged relative to the vertical part of the i-steel, that is, in fig. 2, the two sides of the vertical support 1 are both connected with a screw 43 and a fastening nut 42. At least one side of the adjusting pipe barrel 4 is provided with a lifting lug 41 so as to conveniently move the maintenance tool in a lifting manner.

The end of the transverse support 2 far away from the end connected with the vertical support 1 is connected with an inclined support 5, the front end of the inclined support 5 is provided with a head right angle 53, so that a vertical plane is formed at the front part of the inclined support 5 and can be tightly close to the rotor cage. A first adjusting screw hole group 51 is arranged at a part of the inclined support 5 close to the front end, a first rotor fixture 61 is connected with the first adjusting screw hole group 51, a second adjusting screw hole group 52 is arranged at a part of the inclined support 5 close to the transverse support 2, a second rotor fixture 62 is connected with the second adjusting screw hole group 52, and a concave part 63 is arranged at the first rotor fixture 61 and the second rotor fixture 62. So, when using the maintenance instrument to take out electric motor rotor, through with electric motor rotor fix between first rotor fixture 61 and second rotor fixture 62 can, later remove the maintenance instrument again and take out the rotor, it is safe high-efficient. And considering the different sizes of different motor rotors, the first adjusting screw hole group 51 and the second adjusting screw hole group 52 are designed, so that the first rotor fixture 61 and/or the second rotor fixture 62 are/is fixed at different screw hole positions according to the different sizes of the motor rotors, the distance between the two concave parts 63 is changed, and the motor rotor extracting device is suitable for the extracting operation of the rotors with different motor models. Specifically, the first rotor fixture 61 and the second rotor fixture 62 are fixed to the first adjustment screw hole group 51 and the second adjustment screw hole group 52 by fastening bolts 54, respectively.

Specifically, the first adjusting screw hole group 51 includes at least two screw holes arranged in the length direction and at least two screw holes arranged in the width direction, thereby increasing the adjustment range of use. Similarly, the second adjusting screw hole group 52 includes at least two screw holes arranged in the length direction and at least two screw holes arranged in the width direction.

The included angle between the inclined support 5 and the transverse support 2 is 120 degrees, so that part of the inclined support 5 can directly enter the stator cavity, and the safety of the rotor when being pulled out is improved. In addition, at least the concave part 63 of the first rotor fixture 61 and the second rotor fixture 62 is made of red copper, and the rotor can be effectively protected from mechanical damage in the extraction process due to the fact that the red copper is soft.

Adopt the electric motor rotor maintenance instrument of this embodiment, reducible operation personnel quantity avoids the potential danger of operation to the electric motor rotor that this maintenance instrument is fit for multiple different models takes out the operation, improves motor maintenance efficiency.

In the case that the embodiments are not contradictory, at least some of the technical solutions in the embodiments may be recombined to form the essential technical solution of the present invention, and of course, the embodiments may also be cited or included in each other. Further, it should be noted that adaptation modifications made by those skilled in the art when recombining technical means described in each embodiment will also fall within the scope of the present invention.

The technical principles of the present invention have been described above with reference to specific embodiments, but it should be noted that the above descriptions are only for explaining the principles of the present invention, and should not be interpreted as specifically limiting the scope of the present invention in any way. Based on the explanation here, those skilled in the art can conceive of other embodiments of the present invention or equivalent alternatives without creative efforts, and will fall into the protection scope of the present invention.

Claims

1. The utility model provides a motor rotor overhauls instrument which characterized in that: the device comprises a vertical support (1) and a transverse support (2), wherein the ends of the vertical support (1) and the transverse support (2) are connected to form an L shape, and a bent reinforcing plate (3) is arranged at the joint of the vertical support (1) and the transverse support (2);

an adjusting pipe barrel (4) is sleeved outside the vertical support (1), the adjusting pipe barrel (4) moves up and down along the vertical support (1) under the action of external force, and the adjusting pipe barrel (4) is fixedly connected with the vertical support (1) through a screw (43) and a fastening nut (42);

the end part, far away from the end part connected with the vertical support (1), of the transverse support (2) is connected with an inclined support (5), the front end of the inclined support (5) is provided with a head right angle (53), the part, close to the front end, of the inclined support (5) is provided with a first adjusting screw hole group (51), the first adjusting screw hole group (51) is connected with a first rotor fixture (61), the part, close to the transverse support (2), of the inclined support (5) is provided with a second adjusting screw hole group (52), and the second adjusting screw hole group (52) is connected with a second rotor fixture (62);

the first rotor fixture (61) and the second rotor fixture (62) are provided with a recess (63).

2. A motor rotor service tool as claimed in claim 1, wherein: vertical support (1) and horizontal support (2) are made by the I-steel, angle bend reinforcing plate (3) are made by the steel sheet and with vertical support (1) and horizontal support (2) welded fastening.

3. A motor rotor service tool as claimed in claim 2, wherein: the adjusting pipe barrel (4) is provided with threaded holes towards the vertical part of the I-shaped steel of the vertical support (1), and the number of the threaded holes is two and the threaded holes are symmetrically arranged relative to the vertical part of the I-shaped steel.

4. A motor rotor service tool as claimed in claim 1 or 3, wherein: at least one side of the adjusting pipe barrel (4) is provided with a lifting lug (41).

5. A motor rotor service tool as claimed in claim 1, wherein: the first adjusting screw hole group (51) comprises at least two screw holes arranged in the length direction and at least two screw holes arranged in the width direction;

the second set of adjustment screw holes (52) includes at least two screw holes arranged in a length direction and at least two screw holes arranged in a width direction.

6. A motor rotor service tool as claimed in claim 1, wherein: the included angle between the inclined support (5) and the transverse support (2) is 120 degrees.

7. A motor rotor service tool as claimed in claim 1, wherein: at least the concave part (63) of the first rotor fixture (61) and the second rotor fixture (62) is made of red copper.