CN219031518U - Trolley suitable for motor rotor - Google Patents

Abstract

The utility model belongs to the technical field of electric and mechanical maintenance, and particularly relates to a trolley suitable for a motor to pump a rotor. The utility model comprises a platform, four support columns, a fixed shaft sleeve, a lifting appliance, a dummy shaft fixed sleeve and an adjusting bolt, wherein the four corners of the platform are provided with the adjusting bolt, the adjusting bolt is connected with the support column positioned below the platform through threads, and the adjusting bolt is inserted into the support column; the platform is provided with a fixed shaft sleeve, the fixed shaft sleeve is of an L-shaped structure, one end of the fixed shaft sleeve is fixedly connected with the platform, the other end of the fixed shaft sleeve is connected with a motor body above the platform, the platform is provided with a lifting appliance, the lifting appliance is provided with a dummy shaft, the dummy shaft is arranged on a steel pipe with a groove, and the dummy shaft is fixedly connected with the other end of the fixed shaft through a dummy shaft fixing sleeve. The utility model can greatly reduce the required labor cost, and can ensure that the rotor and the winding can not be damaged in the process, thereby improving the working efficiency and ensuring the safety and reliability of equipment.

Description

Trolley suitable for motor rotor

Technical Field

The utility model belongs to the technical field of electric and mechanical maintenance, and particularly relates to a trolley suitable for a motor to pump a rotor.

Background

The motor is very frequently applied in a nuclear power plant, the used place is very wide, and the disassembly and maintenance of the motor at regular intervals are one of the main works in the electrical overhaul field. For rotor drawing work of a motor, a crane is generally adopted to hoist two ends of a rotor and then draw out, the work needs to have great requirements on a field, the crane needs to be guaranteed to have enough running space, and for some fields with limited space and insufficient mounting of the crane, no special rotor drawing tool is used at present, and is generally lifted by manual movement, so that a large amount of manpower is consumed in the work, and windings are easy to collide in the process of drawing out the rotor due to instability of the manpower, so that the windings are damaged.

Disclosure of Invention

The utility model solves the technical problem of providing the trolley suitable for the rotor of the motor, which is used for the rotor pulling link in the disassembly work of the motor, can greatly reduce the required labor cost, and can ensure that the rotor and the winding can not be damaged at all in the process, thereby improving the working efficiency and ensuring the safety and reliability of equipment.

The utility model adopts the technical scheme that:

the trolley suitable for the motor rotor comprises a platform, four support columns, a fixed shaft sleeve, a lifting appliance, a dummy shaft fixed sleeve and an adjusting bolt, wherein the four corners of the platform are provided with the adjusting bolt, the adjusting bolt is connected with the support column positioned below the platform through threads, and the adjusting bolt is inserted into the support column; the lifting device is characterized in that a fixed shaft sleeve is arranged on the platform, the fixed shaft sleeve is of an L-shaped structure, one end of the fixed shaft sleeve is fixedly connected with the platform, the other end of the fixed shaft sleeve is connected with a motor body located above the platform, a lifting appliance is arranged on the platform, a dummy shaft is arranged on the lifting appliance and is placed on a steel pipe with a groove, and the dummy shaft is fixedly connected with the other end of the fixed shaft through a dummy shaft fixing sleeve.

The bottom of the support column is provided with a one-way wheel.

The unidirectional wheels are placed on the guide rail.

The fixed shaft sleeve is connected with the fixed shaft of the motor rotor through a sleeve locking bolt.

The lifting appliance consists of a chain, a lifting beam and a steel pipe, wherein the center of the steel pipe is provided with a groove for fixing the shaft, so that the shaft can be prevented from shaking when the trolley is pushed.

The platform is fixed to a lifting appliance for supporting one end of the fixed shaft and a fixed shaft sleeve for supporting the other end of the fixed shaft.

The depth of penetration is adjusted by clockwise and anticlockwise screwing the adjusting bolt, and the height of the platform is adjusted.

Compared with the prior art, the utility model has the beneficial effects that:

(1) The utility model provides a trolley suitable for a motor rotor, which is reasonable in design, convenient to operate and convenient to execute motor rotor drawing operation, is provided with an adjusting lifting device, can be suitable for motors with different rotor heights, can slightly lift the rotor and then draw out during working, prevents collision and abrasion in the rotor drawing process, is provided with a rotor lifting appliance and a rotor fixing piece, is convenient to install and use, is provided with a guide rail at the bottom, is provided with 4 unidirectional wheels, is convenient to move, does not consume too much manpower resources during the use, and meets the requirement of maintaining high efficiency at present.

(2) The utility model provides a trolley suitable for a motor rotor, which is provided with an adjusting lifting device and has the advantages of strong applicability, flexibility and reliability; because the rotor fixing part and the rotor lifting appliance are provided, the rotor lifting appliance has the advantage of preventing rotor damage caused by shaking in the rotor drawing process; because the structure of 4 unidirectional wheels matched with the guide rail is adopted, the device has the advantages of convenient movement and labor saving.

Drawings

Fig. 1 is a schematic diagram of a rotor extraction apparatus cart, comprising four sections: the device comprises a motor part, a trolley body part, a lifting appliance part and a sleeve part.

Fig. 2 is a schematic cross-sectional view of a trolley, and bolts with the number 9 are fixed to a small platform at the top of the trolley and penetrate into unidirectional wheel struts of the trolley, so that the heights of the small platform can be adjusted by screwing the bolts clockwise and anticlockwise.

Fig. 3 is a schematic side view of the cart.

Fig. 4 is a schematic side view of a lifting appliance, wherein a supporting piece at the bottom of the lifting appliance is provided with a groove for fixing a rotor shaft and preventing damage caused by shaking in the rotor extraction process.

Fig. 5 is a schematic view of a fixing sleeve.

In the figure: the device comprises a 1-motor body, a 2-motor rotor, a 3-fixed shaft sleeve, a 4-lifting appliance, a 5-one-way wheel, a 6-sleeve locking bolt, a 7-dummy shaft, an 8-dummy shaft fixed sleeve, a 9-adjusting bolt, a 10-platform and an 11-guide rail.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1-5, the trolley suitable for the motor rotor comprises a platform 10, four support columns, a fixed shaft sleeve 3, a lifting appliance 4, a one-way wheel 5, a sleeve locking bolt 6, a dummy shaft 7, a dummy shaft fixing sleeve 8, an adjusting bolt 9 and a guide rail 11, wherein the four corners of the platform 10 are respectively provided with the adjusting bolt 9, the adjusting bolts 9 are connected with the support columns positioned below the platform 10 through threads, and the adjusting bolts 9 are inserted into the support columns; the bottom of the supporting column is provided with a one-way wheel 5, and the one-way wheel 5 is placed on the guide rail 11; the fixed shaft sleeve 3 is arranged on the platform 10, one end of the fixed shaft sleeve 3 is fixedly connected with the platform 10, the other end of the fixed shaft sleeve 3 is connected with the motor body 1 above the platform 10, and in particular, the fixed shaft sleeve 3 is connected with the fixed shaft of the motor rotor 2 through the sleeve locking bolt 6; the lifting appliance 4 is arranged on the platform 10, the lifting appliance 4 consists of a chain, a lifting beam and a steel pipe, the center of the steel pipe is provided with a groove for fixing the shaft, the shaft can be prevented from shaking when the trolley is pushed, the lifting appliance 4 is provided with a dummy shaft 7, the dummy shaft 7 is arranged on the steel pipe with the groove, and the dummy shaft 7 is fixedly connected with the other end of the fixing shaft through a dummy shaft fixing sleeve 8;

the platform 10 is fixed with a lifting appliance 4 for supporting one end of the fixed shaft and a fixed shaft sleeve 3 for supporting the other end of the fixed shaft;

the penetrating depth is adjusted by clockwise and anticlockwise rotating the adjusting bolt 9, so that the height of the platform 10 is adjusted, namely the heights of the fixed shaft sleeve 3 and the lifting appliance 4 are adjusted, and the motor with different rotor heights can be adapted.

The working principle of the utility model is as follows:

when the rotor is pulled out, the guide rail 11 for the trolley is paved firstly, then the trolley is placed on the guide rail 11, the sleeve 3 is used for fixing the shaft at one end of the motor rotor, the other end of the sleeve is connected with the dummy shaft 7 and then is supported by the lifting appliance 4, the height of the rotor is adjusted by the bolt 9, and the rotor is slightly lifted, so that the trolley is pulled out only by pushing the trolley from one side of the sleeve 3 to one side of the lifting appliance 4.

The using method comprises the following steps:

1) Pushing the rotor-drawing trolley device to the vicinity of the motor;

2) Removing a motor fan cover, fan blades and front and rear end covers;

3) A guide rail 11 for the trolley is paved, so that the center of the guide rail and the center of the fixed shaft are on the same horizontal line;

4) Placing the trolley on the guide rail 11;

5) Adjusting bolts 9 at two ends of the trolley, and adjusting a sleeve 3 of the trolley for fixing the shaft to a position at the same height as the shaft;

6) One side of the shaft of the motor is fixed on the sleeve 3, the shaft on the other side is provided with the dummy shaft 7, and the shaft is supported by a lifting appliance 4 arranged on the trolley after being fixed;

7) The bolts 9 for adjusting the heights of the fixed sleeve and the lifting appliance are properly adjusted for the trolley, so that the rotor of the motor is slightly lifted, and the rotor and the winding are prevented from being mutually collided when the rotor is subsequently drawn;

8) The shaft at one end of the motor is ensured to be completely fixed with the lifting appliance 4 after being connected with the sleeve 3 and the shaft at the other end of the motor is connected with the dummy shaft 7, so that the lifting appliance cannot shake;

9) When the rotor is drawn out, the trolley is slowly pushed from the fixed sleeve 3 to the other side until the rotor is completely drawn out;

10 The protection tool is arranged at the bottom of the rotor to ensure that the rotor cannot be damaged, the lifting tool is firstly taken down, the dummy shaft 7 is taken out, finally the fixed sleeve bolt 6 is loosened, the trolley is pushed back, and the whole rotor drawing work is completed.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (7)

1. The trolley suitable for the motor rotor drawing is characterized by comprising a platform (10), four support columns, a fixed shaft sleeve (3), a lifting appliance (4), a dummy shaft (7), a dummy shaft fixing sleeve (8) and an adjusting bolt (9), wherein one adjusting bolt (9) is arranged at four corners of the platform (10), the adjusting bolt (9) is connected with the support column below the platform (10) through threads, and the adjusting bolt (9) is inserted into the support column; install fixed axle sleeve (3) on platform (10), fixed axle sleeve (3) are L type structure, its one end with platform (10) fixed connection, the other end is connected with motor body (1) that are located platform (10) top, install hoist (4) on platform (10), be equipped with dummy axle (7) on hoist (4), dummy axle (7) are placed on the steel pipe of taking the recess, dummy axle (7) with the other end of fixed axle is through dummy axle fixed cover (8) fixed connection.

2. Trolley suitable for motor rotors according to claim 1 characterised in that the support column bottom is provided with unidirectional wheels (5).

3. Trolley suitable for motor rotors according to claim 2, characterised in that the unidirectional wheels (5) are placed on the guide rail (11).

4. Trolley suitable for motor rotors according to claim 1, characterized in that the fixed shaft sleeve (3) is connected to the fixed shaft of the motor rotor (2) by sleeve locking bolts (6).

5. The trolley suitable for the motor rotor according to claim 1, wherein the lifting appliance (4) consists of a chain, a lifting beam and a steel pipe, and the center of the steel pipe is provided with a groove for fixing a shaft, so that the shaft can be prevented from shaking when the trolley is pushed.

6. Trolley suitable for motor-driven rotors according to claim 1, characterized in that the platform (10) is fixed with a sling (4) for supporting one end of a fixed shaft and with a fixed shaft sleeve (3) for supporting the other end of the fixed shaft.

7. Trolley suitable for motor rotors according to claim 1, characterised in that the height of the platform (10) is adjusted by turning the adjusting bolts (9) clockwise and anticlockwise to adjust the depth of penetration.

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