Motor rotor dismounting auxiliary device

Abstract

The utility model discloses an auxiliary device for dismounting and mounting a motor rotor, which belongs to the field of motor rotor dismounting and mounting equipment, solves the problem that the motor rotor is troublesome to dismount in the prior art, reduces the possibility that the rotor rubs the inner wall due to manpower, and reduces the workload of maintenance personnel. The device comprises a front bearing trolley and a rear bearing trolley, lifting devices are arranged on the front bearing trolley and the rear bearing trolley, bearing supports are arranged on the tops of the lifting devices, and extension shafts are connected to the bearing supports in a contact mode; walking wheels are arranged at the bottom of the front bearing trolley and the bottom of the rear bearing trolley and arranged on the sliding rails in a rolling mode. According to the utility model, the mode that the track is matched with the bearing trolleys is adopted, the front bearing trolley and the rear bearing trolley move along the sliding rail fixed in the parallel direction of the motor after jacking up the rotor through the lifting device and the extension shaft, and the rotor is disassembled or assembled, so that the maintenance operation can be quickly and safely completed.

Description

Technical Field

[0001] The utility model relates to the field of motor rotor disassembly and assembly equipment, in particular to a motor rotor disassembly and assembly auxiliary device. Background Art

[0002] After years of operation, the motor may have various problems. In the case of motor bearing damage or stator and rotor damage, the motor needs to be disassembled and repaired. During maintenance, the motor stator and rotor need to be separated or assembled. Because the equipment is large, it is impossible to quickly and safely separate or assemble it only by manpower and existing tools. Special tools are needed to assist maintenance personnel in disassembling and assembling the motor rotor. In the prior art, the application with publication number CN104638842A discloses a motor rotor folding trolley, but the rotor is prone to rubbing against the inner wall during disassembly. At present, there is a lack of a motor rotor disassembly and assembly auxiliary device that prevents the rotor from rubbing against the inner wall. Utility Model Content

[0003] The purpose of the utility model is to provide a motor rotor disassembly and assembly auxiliary device to solve the problem that the motor rotor is troublesome to disassemble in the prior art, while reducing the possibility of the rotor rubbing against the inner wall due to manpower and reducing the workload of maintenance personnel.

[0004] The utility model is realized by the following technical solutions:

[0005] A motor rotor disassembly and assembly auxiliary device comprises a front load-bearing trolley and a rear load-bearing trolley, wherein the front load-bearing trolley and the rear load-bearing trolley are both provided with a lifting device, a load-bearing bracket is provided on the top of the lifting device, and an extension shaft is contacted and connected to the load-bearing bracket; the front load-bearing trolley and the rear load-bearing trolley are both provided with running wheels at the bottom, and the running wheels are rollingly arranged on a slide rail, and the slide rail is provided with a limit groove, and the limit groove cooperates with the running wheel limit, and the slide rail comprises a track I and a track II, and the track I and the track II are connected by bolts.

[0006] Furthermore, the lifting device includes a pair of upper lifting arms and a pair of lower lifting arms; the upper lifting arms and the corresponding lower lifting arms are hingedly connected by a connecting block, a threaded sleeve is provided on one connecting block, and a bearing is provided on the other connecting block; the inner thread of the threaded sleeve is connected to one end of the screw, and the other end of the screw passes through the bearing; the threaded sleeve is cylindrical, and the inner wall of the threaded sleeve is provided with an inner thread that matches the screw.

[0007] Furthermore, a hand wheel is provided on one end of the lead screw passing through the bearing, and the height of the jack can be adjusted by rotating the hand wheel.

[0008] Furthermore, a mounting seat is provided at the bottom of the front load-bearing trolley and the rear load-bearing trolley, and a plurality of bolt holes are provided on the mounting seat, and the bolt holes are arranged in a matrix; the running wheels are detachably connected to the mounting seat by bolts.

[0009] Furthermore, both the track I and the track II are provided with a connecting plate, and a plurality of bolt holes are provided on the connecting plate, and the bolt holes are arranged in a matrix; the width of the track I and the track II can be adjusted through the bolt holes, and the track I and the track II are fixed by bolts; the width between the bolt holes on the connecting plate is equal to the width between the bolt holes on the mounting seat; so that the walking wheel can adjust the spacing corresponding to the slide rail.

[0010] Furthermore, the extension shaft is provided with a connection hole, and the connection hole is sleeved on the rotor shaft of the motor.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The utility model adopts the method of rails in combination with a carrying trolley. The front and rear carrying trolleys use a lifting device and an extension shaft to lift the rotor, and then move along a slide rail fixed in a parallel direction to the motor to disassemble or install the rotor, so that the maintenance work can be completed quickly and safely.

[0013] 2. The utility model adopts a detachable slide rail, and the width of the slide rail can be adjusted by matching the bolt holes. At the same time, the travel wheels of the front and rear load-bearing trolleys can be adjusted in position in accordance with the width of the slide rail, which has higher applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is a front view of the front load-bearing trolley and the rear load-bearing trolley of the utility model;

[0016] Figure 3 It is a top view of the front load-bearing trolley and the rear load-bearing trolley of the utility model;

[0017] Figure 4 It is a right side view of the front load-bearing trolley and the rear load-bearing trolley of the utility model;

[0018] Figure 5 It is a bottom view of the front load-bearing trolley and the rear load-bearing trolley of the utility model;

[0019] Figure 6 It is a top view of the slide rail of the utility model.

[0020] Figure 7 It is a structural schematic diagram of track I and track II of the utility model.

[0021] In the figure: 1. front load-bearing trolley; 2. lifting device; 3. extension shaft; 4. rear load-bearing trolley; 5. motor; 6. slide rail; 7. connecting block; 8. walking wheel; 9. load-bearing bracket; 10. hand wheel; 11. mounting seat; 12. bolt hole; 13. limit groove; 14. connecting plate; 15. track I; 16. track II; 17. upper lifting arm; 18. lower lifting arm. DETAILED DESCRIPTION

[0022] In order to enable those skilled in the art to better understand the technical solution of the present invention, the technical solution of the present invention is clearly and completely described below in conjunction with the drawings of the present invention. Based on the embodiments in this application, other similar embodiments obtained by ordinary technicians in this field without making creative work should all fall within the scope of protection of this application. In addition, the directional words mentioned in the following embodiments, such as "up", "down", "left", "right", etc., are only referenced to the directions of the drawings. Therefore, the directional words used are used to illustrate rather than limit the creation of the present invention.

[0023] The utility model is further described below in conjunction with the accompanying drawings.

[0024] Embodiment 1: A motor rotor disassembly and assembly auxiliary device, such as Figure 1 As shown, it includes a lifting device 2, a front load-bearing trolley 1 and a rear load-bearing trolley 4, the front load-bearing trolley 1 and the rear load-bearing trolley 4 are both provided with a lifting device 2, a load-bearing bracket 9 is provided on the top of the lifting device 2, and an extension shaft 3 is contacted and connected to the load-bearing bracket 9, and a connecting hole is provided on the extension shaft 3, and the connecting hole is sleeved on the rotor shaft head of the motor 5; the front load-bearing trolley 1 and the rear load-bearing trolley 4 are both provided with a running wheel 8 at the bottom, and the running wheel 8 is rotatably set on the slide rail 6, and the slide rail 6 is provided with a limiting groove 13, and the limiting groove 13 is limitedly matched with the running wheel 8, and the running wheel 8 can make the front load-bearing trolley 1 and the rear load-bearing trolley 4 move forward and backward, as shown in FIG. Figure 6-Figure 7 As shown, the slide rail 6 includes a track Ⅰ15 and a track Ⅱ16, and the track Ⅰ15 and the track Ⅱ16 are connected by bolts. The utility model adopts the mode of track matching with the carrying trolley. After the front and rear carrying trolleys 4 use the lifting device 2 and the extension shaft 3 to lift the rotor, they move along the slide rail 6 fixed in the parallel direction of the motor 5 to disassemble or install the rotor, so that the maintenance work can be completed quickly and safely.

[0025] Embodiment 2: A motor rotor disassembly and assembly auxiliary device, such as Figure 2-Figure 5As shown, the lifting device 2 includes a pair of upper lifting arms 17 and a pair of lower lifting arms 18; the upper lifting arms 17 and the corresponding lower lifting arms 18 are hinged through a connecting block 7, a threaded sleeve is provided on one side of the connecting block 7, and a bearing is provided on the other side of the connecting block 7; the inner thread of the threaded sleeve is connected to one end of the lead screw, and the other end of the lead screw passes through the bearing; the threaded sleeve is cylindrical, and the inner wall of the threaded sleeve is provided with an inner thread that matches the lead screw; a hand wheel 10 is provided on the end of the lead screw that passes through the bearing, and the height of the jack can be adjusted by rotating the hand wheel 10.

[0026] like Figure 5 As shown, the front load-bearing trolley 1 and the rear load-bearing trolley 4 are provided with a mounting seat 11 at the bottom, and the mounting seat 11 is provided with eight bolt holes 12, which are arranged in pairs and in a matrix; the walking wheel 8 is detachably connected to the mounting seat 11 by bolts. The rails Ⅰ15 and Ⅱ16 are both welded with a connecting plate 14, and the connecting plate 14 is provided with eight bolt holes 12, which are arranged in pairs and in a matrix; the rails Ⅰ15 and Ⅱ16 can adjust the width through the bolt holes 12, and the rails Ⅰ15 and Ⅱ16 are fixed by bolts; the width between the bolt holes 12 on the connecting plate 14 is equal to the width between the bolt holes 12 on the mounting seat 11; so that the walking wheel 8 can adjust the spacing corresponding to the slide rail 6. The utility model adopts a detachable slide rail 6, and the width of the slide rail 6 can be adjusted in conjunction with the bolt holes 12. At the same time, the walking wheels 8 of the front load-bearing trolley 1 and the rear load-bearing trolley 4 can adjust the position in conjunction with the width of the slide rail 6, and the applicability is higher. Others are the same as embodiment 1.

[0027] When the utility model is used, the slide rail 6 is adjusted to the corresponding width, and the walking wheel 8 is adjusted to the spacing matching the slide rail 6; then the slide rail 6 is placed in the parallel direction of the motor 5, the extension shaft 3 is fixed on the rotor of the motor 5, and the lifting device 2 of the front load-bearing trolley 1 and the rear load-bearing trolley 4 lifts the extension shaft 3, and then lifts the rotor of the motor 5, and finally pushes the front load-bearing trolley 1 and the rear load-bearing trolley 4 to move along the slide rail 6, and finally the rotor is disassembled; the installation is just the opposite. The utility model can effectively ensure the timeliness and safety of maintenance, reduce the possibility of the rotor rubbing against the inner wall due to manpower, effectively increase the quality of equipment maintenance, and reduce the work intensity of maintenance personnel.

[0028] The present invention has been described in detail above. The above description is only a preferred embodiment of the present invention and should not limit the scope of implementation of the present invention. That is, all equivalent changes and modifications made within the scope of this application should still fall within the scope of the present invention.

Claims

1. A motor rotor disassembly and assembly auxiliary device, characterized in that: The invention comprises a front load-bearing trolley (1) and a rear load-bearing trolley (4), wherein the front load-bearing trolley (1) and the rear load-bearing trolley (4) are both provided with a lifting device (2), the top of the lifting device (2) is provided with a load-bearing bracket (9), and the load-bearing bracket (9) is contact-connected with an extension shaft (3); the bottom of the front load-bearing trolley (1) and the rear load-bearing trolley (4) are both provided with running wheels (8), the running wheels (8) are rollingly arranged on a slide rail (6), the slide rail (6) is provided with a limiting groove (13), the limiting groove (13) and the running wheels (8) are limitedly matched, and the slide rail (6) comprises a track I (15) and a track II (16), and the track I (15) and the track II (16) are connected by bolts.

2. The motor rotor disassembly and assembly auxiliary device according to claim 1, characterized in that: The lifting device (2) comprises a pair of upper lifting arms (17) and a pair of lower lifting arms (18); the upper lifting arms (17) and the corresponding lower lifting arms (18) are hingedly connected via a connecting block (7); a threaded sleeve is provided on one connecting block (7) and a bearing is provided on the other connecting block (7); the inner thread of the threaded sleeve is connected to one end of a lead screw, and the other end of the lead screw passes through the bearing.

3. The motor rotor disassembly and assembly auxiliary device according to claim 2, characterized in that: A hand wheel (10) is provided on one end of the lead screw passing through the bearing.

4. The motor rotor disassembly and assembly auxiliary device according to claim 1, characterized in that: The front load-bearing trolley (1) and the rear load-bearing trolley (4) are provided with a mounting seat (11) at the bottom, and a plurality of bolt holes (12) are provided on the mounting seat (11), and the bolt holes (12) are arranged in a matrix; the running wheel (8) is detachably connected to the mounting seat (11) by bolts.

5. The motor rotor disassembly and assembly auxiliary device according to claim 1, characterized in that: The track I (15) and the track II (16) are both provided with a connecting plate (14), and the connecting plate (14) is provided with a plurality of bolt holes (12), and the bolt holes (12) are arranged in a matrix.

6. The motor rotor disassembly and assembly auxiliary device according to claim 1, characterized in that: The extension shaft (3) is provided with a connection hole, and the connection hole is sleeved on the rotor shaft of the motor (5).

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