Motor fixing equipment for bearing replacement based on mining large-scale motor maintenance

Abstract

The utility model relates to the field of motor maintenance, in particular to a motor fixing device for bearing replacement based on mining large-scale motor maintenance, which comprises a base capable of being embedded underground, a movable mounting platform is arranged on the base, a lifting platform with a changeable height is arranged at the top end of the mounting platform, and the lifting platform is arranged on the base. A rotating table capable of fixing the position of the motor is fixedly arranged at the top end of the lifting table; according to the motor fixing device for bearing replacement based on mining large motor maintenance, the position and the height of the large motor can be changed automatically, an operator can make contact with the area where the bearing is located more easily, operation convenience and efficiency are improved, meanwhile, the large motor can rotate in a fixed state, and therefore the bearing replacement efficiency is improved. And maintenance operation can be conveniently carried out from different angles.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of motor maintenance, specifically to a bearing replacement motor fixing device based on mining large motor maintenance. BACKGROUND

[0002] With the continuous improvement of industrial automation level, large motors have been widely used in many industries such as mining, chemical industry, power and so on. However, these large motors will inevitably have problems such as wear and tear, failure during long-term operation, and need to be regularly maintained and repaired, especially the maintenance of the bearing part is a frequent and important work.

[0003] The traditional large motor maintenance method mainly relies on manual operation, which usually needs to adjust the motor to a position convenient for operation. This process usually relies on manual use of jack, pulley and other tools, which is time-consuming and laborious, and it is difficult to accurately control the position of the motor. At the same time, the existing fixing device can only fix the motor at a fixed position, and cannot be flexibly adjusted according to the actual maintenance needs, especially when the motor needs to be repaired from different angles. Therefore, how to overcome the above technical problems and defects has become a key problem to be solved. SUMMARY

[0004] The purpose of the present application is to overcome the defects described in the background art, so as to realize a bearing replacement motor fixing device based on mining large motor maintenance. The device can change the position and height of the large motor in an automatic way, making it easier for the operator to access the area where the bearing is located, improving the convenience and efficiency of operation, and at the same time the large motor can be rotated in a fixed state, facilitating maintenance work from different angles.

[0005] To achieve the above invention purpose, the technical scheme of the utility model is: a bearing replacement motor fixing device based on mining large motor maintenance, comprising a base embedded in the ground. The base is provided with a movable mounting platform. The top end of the mounting platform is provided with a lifting platform that can change the height. The top end of the lifting platform is fixedly provided with a rotating platform that can fix the position of the motor.

[0006] In the above-mentioned bearing replacement motor fixing device based on mining large motor maintenance, the base is designed in a rectangular structure and a moving cavity is opened at the top end, and the bottom end of the mounting platform can move in the moving cavity.

[0007] In the above-mentioned bearing replacement motor fixing device based on mining large motor maintenance, the inside of the moving cavity is fixedly provided with sliding rails along the length direction on both sides, and the bottom end of the mounting platform is fixedly provided with sliding blocks that can slide on the corresponding sliding rails.

[0008] The interior of the moving cavity is fixedly provided with a rack parallel to the length direction of the moving cavity, a gear vertically rotatably provided on the mounting platform is engaged with the rack, and a servo motor with a speed reducer is fixedly provided at the top end of the mounting platform to drive the rotation of the gear.

[0009] In the motor fixing device for bearing replacement based on maintenance of large mining motors, a support column is fixedly arranged at the middle position of the interior of the moving cavity along the length direction thereof, and the top end of the support column abuts against the bottom end of the mounting platform.

[0010] A plurality of support plates are hingedly arranged at both sides of the top end of the side portion of the mounting platform, the support plates are in L-shaped structure, and the shorter edges thereof abut against the top end of the support column.

[0011] An installation plate is fixedly arranged at the top end of the mounting platform, spades are fixedly arranged at both sides of the end portion of the installation plate towards the support plates, the spades are in arc-shaped structure, and the bottom portions thereof can be inserted into the bottom portions of the support plates.

[0012] In the motor fixing device for bearing replacement based on maintenance of large mining motors, a plurality of rollers are rotatably arranged at the top end of the spades, and each roller can abut against the bottom end of the corresponding support plate.

[0013] In the motor fixing device for bearing replacement based on maintenance of large mining motors, a hydraulic lifting column is fixedly arranged at the top end of the installation plate, and the bottom portion of the lifting platform is fixedly arranged at the telescopic end of the hydraulic lifting column.

[0014] A plurality of guide columns are vertically fixedly arranged at the side portion of the bottom end of the lifting platform, and each guide column is in contact with the hydraulic lifting column.

[0015] In the motor fixing device for bearing replacement based on maintenance of large mining motors, a rotary oil cylinder is fixedly arranged in the interior of the rotary table, and a limiting plate for fixing the position of the motor is fixedly arranged at the top end of the rotary part of the rotary oil cylinder.

[0016] Compared with the prior art, the motor fixing device for bearing replacement based on maintenance of large mining motors has at least the following beneficial effects:

[0017] 1. The motor fixing device for bearing replacement based on maintenance of large mining motors can be embedded in the ground, thereby enhancing the stability of the whole device, preventing displacement or toppling due to the large weight of the motor during use, further enhancing the stability of the device by arranging the support column in the moving cavity, and providing an area for workers to move when replacing the motor bearing through the support plates.

[0018] 2. The motor fixing device for bearing replacement based on large motor maintenance in mines of the utility model, can realize the change of large motor position and height through automatic mode, make operator more easily contact the area where bearing is located, promote the convenience and efficiency of operation, large motor can rotate in fixed state, convenient for maintenance operation from different angles. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the overall structure schematic diagram of the motor fixing device for bearing replacement based on large motor maintenance in mines of the utility model.

[0020] Figure 2 It is the slide rail position schematic diagram of the motor fixing device for bearing replacement based on large motor maintenance in mines of the utility model.

[0021] Figure 3 It is the roller position schematic diagram of the motor fixing device for bearing replacement based on large motor maintenance in mines of the utility model.

[0022] Figure 4 It is the gear position schematic diagram of the motor fixing device for bearing replacement based on large motor maintenance in mines of the utility model.

[0023] In the drawing: 1, base; 2, installation platform; 3, lifting platform; 4, rotating table; 5, moving cavity; 6, slide rail; 7, sliding block; 8, rack; 9, gear; 10, servo motor; 11, support column; 12, support plate; 13, installation plate; 14, shovel plate; 15, roller; 16, hydraulic lifting column; 17, guide column; 18, rotating oil cylinder; 19, limiting plate. DETAILED DESCRIPTION

[0024] The motor fixing device for bearing replacement based on large motor maintenance in mines of the utility model will be described in more detail below in combination with the drawings and through specific implementation manners.

[0025] In the description of the utility model, it is understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model.

[0026] Referring to Figures 1-4The motor fixing device for bearing replacement based on large mine motor maintenance can change the position and height of the large motor in an automatic mode, so that the operator can more easily access the area where the bearing is located, and the convenience and efficiency of operation are improved. Meanwhile, the large motor can rotate in a fixed state, which facilitates maintenance work from different angles. In this embodiment, it mainly includes a base 1 which can be embedded in the ground. The base 1 is designed in a rectangular structure and has a moving cavity 5 at the top end. A movable mounting platform 2 is arranged on the base 1, and the bottom end of the mounting platform 2 can move in the moving cavity 5.

[0027] Both sides of the inside of the moving cavity 5 are fixedly provided with sliding rails 6 along the length direction, and the bottom end of the mounting platform 2 is fixedly provided with sliding blocks 7 which can slide on the corresponding sliding rails 6. The number of sliding blocks 7 can be set according to actual conditions. The inside of the moving cavity 5 is fixedly provided with a rack 8 which is parallel to the length direction of the moving cavity 5. A gear 9 which engages with the rack 8 is vertically rotatably arranged on the mounting platform 2. A servo motor 10 with a reducer is fixedly arranged at the top end of the mounting platform 2 to drive the rotation of the gear 9. The operation of the servo motor 10 drives the rotation of the gear 9, so that the mounting platform 2 moves in the moving cavity 5 through the gear 9 and the rack 8. In this process, the sliding blocks 7 move on the sliding rails 6 to guide the movement of the mounting platform 2 and ensure the stability during movement.

[0028] Referring to Figure 2 and Figure 3 In this embodiment, a support column 11 is fixedly arranged at the middle position of the inside of the moving cavity 5 along the length direction, and the top end of the support column 11 abuts against the bottom end of the mounting platform 2. A plurality of support plates 12 are hingedly arranged at both sides of the top end of the moving cavity 5 of the side of the mounting platform 2, and the support plates 12 are L-shaped structures with the shorter side abutting against the top end of the support column 11. When replacing the bearing of the large motor, the support plates 12 provide a working space for the workers. An installation plate 13 is fixedly arranged at the top end of the mounting platform 2, and shovel plates 14 are fixedly arranged at both sides of the end of the installation plate 13 towards the support plates 12. The shovel plates 14 are arc-shaped structures with the bottom part inserted into the bottom part of the support plates 12. A plurality of rollers 15 are rotatably arranged at the top end of the shovel plates 14, and each roller 15 abuts against the bottom end of the corresponding support plate 12. The other end of the support plate 12 can also be provided with a shovel plate 14. When the mounting platform 2 moves in the inside of the moving cavity 5, the corresponding support plate 12 is lifted up by the shovel plate 14 of the shovel plate 14 structure, thereby providing a space for the movement of the mounting platform 2. In this process, the friction is reduced by the rollers 15, so that the swinging of the support plates 12 is more smooth, the wear is reduced, and the service life of the equipment is prolonged.

[0029] In order to change the height and angle of the large motor. Referring toFigure 1 and Figure 2 In the embodiment, the top end of the mounting platform 2 is provided with a height-adjustable lifting platform 3. The top end of the mounting plate 13 is fixedly provided with a hydraulic lifting column 16, which is a mature prior art and will not be described in detail here. The bottom of the lifting platform 3 is fixedly provided at the telescopic end of the hydraulic lifting column 16. The bottom end side of the lifting platform 3 is vertically fixedly provided with a plurality of guide columns 17, each of which is in close contact with the hydraulic lifting column 16. The hydraulic lifting column 16 is controlled to work, thereby changing the height of the lifting platform 3, so that the operator can more easily access the area where the bearing is located, improving the convenience and efficiency of operation. In this process, the guide column 17 is used for guiding work to ensure stability during lifting.

[0030] The top end of the lifting platform 3 is fixedly provided with a rotating platform 4 that can fix the position of the motor. The rotating platform 4 is fixedly provided with a rotating oil cylinder 18 inside, which is a mature prior art and will not be described in detail here. The rotating part of the rotating oil cylinder 18 is fixedly provided with a limiting plate 19 that can fix the position of the motor. The rotating oil cylinder 18 is controlled to work, thereby changing the orientation of the bearing of the large motor, facilitating workers to operate at different positions and improving the efficiency of bearing replacement.

[0031] The use method of the motor fixing device for bearing replacement based on maintenance of the mine large motor of the utility model: first, the large motor is placed on the limiting plate 19 by the crane and other equipment, and the position of the large motor is fixed by bolts and other fixing members. In order to facilitate workers to replace the bearing of the motor, the hydraulic lifting column 16 is controlled to work, thereby changing the height of the lifting platform 3, and the rotating oil cylinder 18 is controlled to work, thereby changing the orientation of the bearing of the large motor, thereby facilitating workers to operate at different positions, so that the operator can more easily access the area where the bearing is located, improving the convenience and efficiency of operation.

[0032] At the same time, the servo motor 10 can be controlled to work according to the actual situation, the gear 9 is driven to rotate, and the mounting platform 2 is moved in the moving cavity 5 through the gear 9 and the rack 8. The motor can be adjusted in the horizontal direction, which facilitates the operator to approach the different sides of the motor for maintenance. In this process, the support plate 12 provides a working space for the workers.

[0033] Unless otherwise defined, the technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention pertains. The use of terms such as "a" or "an" in this specification and claims does not necessarily indicate a limitation on quantity. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the element or object listed following the word and its equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

[0034] The exemplary embodiments of the present invention have been described in detail above with reference to preferred embodiments. However, those skilled in the art will understand that various modifications and alterations can be made to the above specific embodiments without departing from the concept of the present invention, and various combinations can be made to the various technical features and structures proposed by the present invention without exceeding the protection scope of the present invention.

Claims

1. A large-sized electric machine fixing device for bearing replacement based on maintenance of a mine-used large-sized electric machine, characterized by: The utility model provides a base (1) can be embeddedly set in the ground, the movable mounting platform (2) is arranged on the base (1), the top of mounting platform (2) is provided with the lifting platform (3) of changeable height, the top of lifting platform (3) is fixedly provided with the rotating table (4) of motor position can be fixed.

2. The electric machine fixing device for bearing replacement based on maintenance of a large electric machine for mining according to claim 1, characterized by: The base (1) is rectangular structure design and its top is provided with moving cavity (5), the bottom of mounting platform (2) can move in moving cavity (5).

3. The electric machine fixing device for bearing replacement based on maintenance of a large electric machine for mining according to claim 2, characterized by: The inside both sides of moving cavity (5) are fixedly provided with slide rail (6) along its length direction, the bottom both sides of mounting platform (2) are fixedly provided with the sliding block (7) that can slide on corresponding slide rail (6); The inside of moving cavity (5) is fixedly provided with the rack (8) parallel with the length direction of moving cavity (5), the mounting platform (2) is vertically rotatably provided with the gear (9) engaged with rack (8), the top of mounting platform (2) is fixedly provided with the servo motor (10) with speed reducer of driving gear (9) rotation.

4. The electric machine fixing device for bearing replacement based on maintenance of a large electric machine for mining according to claim 3, characterized by: The inside intermediate position of moving cavity (5) is fixedly provided with support column (11) along its length direction, the top of support column (11) is in abutment with the bottom of mounting platform (2); The top both sides of moving cavity (5) of mounting platform (2) side are hingedly provided with a plurality of support plates (12), the support plate (12) is L-shaped structure and its shorter side is in abutment with the top of support column (11); The top of mounting platform (2) is fixedly provided with mounting plate (13), the end both sides of mounting plate (13) towards support plate (12) are fixedly provided with shovel plate (14), the shovel plate (14) is arc structure and its bottom can be inserted into the bottom of support plate (12).

5. The electric machine fixing device for bearing replacement based on maintenance of a large electric machine for mining according to claim 4, characterized by: The top of shovel plate (14) is rotatably provided with a plurality of rollers (15), each roller (15) can be in abutment with the bottom of corresponding support plate (12).

6. The electric machine fixing device for bearing replacement based on maintenance of a large electric machine for mining according to claim 5, characterized by: The top of mounting plate (13) is fixedly provided with hydraulic lifting column (16), the bottom of lifting platform (3) is fixedly provided at the telescopic end of hydraulic lifting column (16); The bottom side of lifting platform (3) is vertically fixedly provided with a plurality of guide columns (17), each guide column (17) is in abutement with hydraulic lifting column (16).

7. The electric machine fixing device for bearing replacement based on maintenance of a large electric machine for mining according to claim 6, characterized by: The inside of rotating table (4) is fixedly provided with rotating oil cylinder (18), the rotating part top of rotating oil cylinder (18) is fixedly provided with the limit plate (19) of motor position can be fixed.

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