Rail transit motor rear end cover disassembling device

Abstract

The utility model discloses a disassembling device for a rear end cover of a rail transit motor, which comprises a workbench, two sides of the top of the workbench are respectively and correspondingly provided with a chute, and two ends of the chute are respectively provided with an end cover baffle plate and a hydraulic cylinder baffle plate; a first supporting block is arranged on the side, close to the hydraulic cylinder baffle, of the end cover baffle. A second supporting block is arranged on the side, away from the end cover baffle, of the hydraulic cylinder baffle. The drawing assembly is arranged on the hydraulic cylinder baffle in a penetrating manner and is arranged on the second supporting block; a hydraulic cylinder is arranged in the middle of the top of the second supporting block. The device utilizes the acting force of the hydraulic cylinder to enable the hydraulic cylinder to push the drawing assembly to move towards one end far away from the end cover baffle, so that the motor rear end cover is gradually separated from the motor rotor assembly, the labor intensity of motor rear end cover disassembling work is reduced, and the disassembling speed and efficiency are improved; and meanwhile, beating and pre-loosening of the motor rear end cover are avoided, and the quality of final assembly products of the motor rear end cover and the motor rotor is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the motor maintenance technical field of rail transit fan, specifically relates to a rail transit motor rear end cover dismounting device. BACKGROUND

[0002] The rail transit fan needs regular maintenance in the long-term use process, and the motor in the fan needs to be disassembled to the front and rear end covers for the maintenance or maintenance of the motor rotor assembly.

[0003] In the related art, the motor front end cover needs to be disassembled first in the disassembly process of the motor end cover, and since there is no matched motor rear end cover dismounting device, the motor rear end cover has no stress point when disassembled, and the motor rear end cover may be deformed or damaged by forcible disassembly, so the installation ear of the rear end cover needs to be pre-loosened by knocking with a tool before the rear end cover can be disassembled; but the rear end cover is still damaged or deformed by knocking with a tool, and such a motor rear end cover disassembly method not only has high labor intensity and low working efficiency, but also cannot guarantee the quality of the motor rear end cover.

[0004] Therefore, a dismounting device suitable for the rail transit motor rear end cover is needed to solve the above technical problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a rail transit motor rear end cover dismounting device to solve at least one aspect of the problems and defects in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A rail transit motor rear end cover dismounting device, comprising:

[0008] A workbench is provided with a chute on both sides of the top, and an end cover baffle and a hydraulic cylinder baffle are arranged at both ends of the chute;

[0009] A first support block is arranged on one side of the end cover baffle close to the hydraulic cylinder baffle, and a second support block is arranged on the other side of the hydraulic cylinder baffle away from the end cover baffle;

[0010] Further comprising a drawing assembly, which is arranged in the hydraulic cylinder baffle and placed on the second support block;

[0011] A hydraulic cylinder is arranged on the top of the second support block.

[0012] The rail transit motor rear end cover dismounting device according to the scheme has at least the following technical effects:

[0013] The rail transit motor rear end cover disassembling device is connected with the motor rotor assembly shaft head through one end of the pulling assembly, the hydraulic cylinder is used to move the pulling assembly to the end away from the end cover baffle, the motor rear end cover is gradually separated from the motor rotor assembly under the isolation and limitation of the end cover baffle away from the hydraulic cylinder baffle, the pulling assembly realizes the transmission of the hydraulic pressure of the hydraulic cylinder to do work, the disassembling purpose of the motor rear end cover is achieved, the labor intensity of the motor rear end cover disassembling work is effectively reduced, and the disassembling speed and efficiency of the motor rear end cover are improved; meanwhile, the motor rear end cover is prevented from being knocked and loosened, so that the motor rear end cover is damaged or deformed, and the quality of the motor rear end cover and the motor rotor assembly product is ensured;

[0014] In addition, the distance between the end cover baffle and the hydraulic cylinder baffle can be adjusted through the sliding groove, so that the device can adapt to the disassembly of motor rear end covers of different sizes and types, the application range of the device is enhanced, and the disassembly flexibility and versatility of the device for motor rear end covers of different sizes and types are improved.

[0015] As a further scheme of the utility model: the pulling assembly includes a pulling plate, and a connecting sleeve is arranged in the middle of the pulling plate.

[0016] Since the pulling assembly includes the pulling plate, and the connecting sleeve is arranged in the middle of the pulling plate, the connecting sleeve can be connected with the motor rotor assembly shaft head, accurate alignment and fixation of the motor rotor assembly shaft head can be realized, the close connection between the pulling assembly and the motor rotor assembly shaft head is ensured, the end cover is prevented from being dislocated or sliding during the disassembly process, and therefore the accuracy and stability of the motor rear end cover disassembly are improved.

[0017] As a further scheme of the utility model: pulling rods are arranged on the back of the pulling plate, the pulling rods are arranged on the hydraulic cylinder baffle and placed on the second supporting block.

[0018] As a further scheme of the utility model: the pulling assembly further includes a top plate, the pulling rods on the two sides are connected with the top plate, and a top rod is arranged in the middle of the top plate.

[0019] As a further scheme of the utility model: one end of the hydraulic cylinder is in abutment with the hydraulic cylinder baffle, a thimble is arranged at the other end of the hydraulic cylinder, and the thimble is arranged in correspondence with the top rod.

[0020] Due to the two sides of the back of the pull plate are provided with pull rods, the pull rods are arranged through the hydraulic cylinder baffle and placed on the second supporting block; the pull assembly further comprises a top plate, the two sides of the pull rod are connected with the top plate, and the middle of the top plate is provided with a top rod; one end of the hydraulic cylinder is abutted with the hydraulic cylinder baffle, and the other end of the hydraulic cylinder is provided with a thimble, and the thimble is correspondingly arranged with the top rod; when the motor rear end cover needs to be disassembled, the connecting sleeve on the pull plate is connected with the motor rotor assembly front end shaft head, at this time, the hydraulic cylinder is started, the thimble of the hydraulic cylinder is stretched out and pushes the top rod, the top rod moves to the end away from the end cover baffle, the top plate is driven to move, and the two sides of the pull rod are simultaneously moved, and the pull rod drives the pull plate to move, so that the pull rod drives the motor rotor assembly to move, the isolation and restriction of the end cover baffle away from the side of the hydraulic cylinder baffle to the motor rear end cover is realized, the motor rear end cover and the motor rotor assembly generate reaction force, thereby the motor rear end cover and the motor rotor assembly are gradually separated, and the disassembly of the motor rear end cover is realized; the convenience and efficiency of the disassembly of the motor rear end cover are greatly improved.

[0021] As a further scheme of the utility model: the two sides of the top of the second supporting block are respectively provided with limiting grooves, and the pull rod is arranged in the limiting groove.

[0022] By arranging the limiting grooves on the two sides of the top of the second supporting block, the pull rod is arranged in the limiting groove, the limiting groove can guide and limit the pull rod, so that the pull rod can only move in the direction of the limiting groove, and the deviation or shaking of the pull rod in the moving process is avoided, the inconsistency of the force and angle of the two sides of the pull rod in the pulling process is avoided, the damage or deformation of the motor rear end cover is avoided, and the consistency and stability of the force transmission in the disassembly of the motor rear end cover are effectively improved.

[0023] As a further scheme of the utility model: the hydraulic cylinder baffle is provided with a hole or a groove for the pull rod to pass through.

[0024] Since the hydraulic cylinder baffle is provided with the hole or the groove for the pull rod to pass through, the pull rod can move between the hydraulic cylinder baffles through the hole or the groove, so that the pull assembly can flexibly adapt to different disassembly requirements; and the assembly difficulty is reduced, the complex mechanical connection is reduced, and maintenance and overhaul are more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to facilitate the understanding of those skilled in the art, the utility model will be further described below in combination with the drawings.

[0026] Fig. 1 It is a working state structure schematic view of a rail transit motor rear end cover disassembly device;

[0027] Fig. 2 It is a working state structure schematic view of a rail transit motor rear end cover disassembly device;

[0028] Fig. 3It is a rail transit motor rear end cover disassembling device non-working state structure schematic view.

[0029] Reference signs:

[0030] 1, workbench; 11, sliding groove; 2, end cover baffle; 3, hydraulic cylinder baffle; 4, first support block; 5, second support block; 51, limiting groove; 6, drawing assembly; 61, pull plate; 62, connecting sleeve; 63, pull rod; 64, top plate; 65, top rod; 7, hydraulic cylinder; 8, motor rotor assembly; 9, motor rear end cover. DETAILED DESCRIPTION

[0031] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation on the present application.

[0032] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as a limitation on the present application.

[0033] In the description of the present application, the meaning of several is one or more, and the meaning of multiple is two or more, greater than, less than, more than, etc. are understood as not including the number, above, below, etc. are understood as including the number. If it is described as first, second, it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the sequence of indicated technical features.

[0034] In the description of the present application, unless otherwise explicitly limited, the words such as setting, installing, connecting, etc. should be understood in a broad sense, and the person skilled in the art can reasonably determine the specific meaning of the above words in the present application in combination with the specific content of the technical solution.

[0035] In order to make the purpose, technical scheme and advantages of the present application more clear and explicit, the present application will be further described in detail below by combining with the drawings and examples. It should be understood that the specific embodiments described herein are only used to explain the present application and cannot be used to limit the present application, that is, the described embodiments are only a part of the embodiments of the present application, but not all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0036] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0037] like Figs. 1-3 The present invention, as shown in this embodiment, discloses a disassembly device for the rear end cover of a rail transit motor, comprising: a workbench 1, with sliding grooves 11 respectively provided on both sides of the top of the workbench 1, and end cover baffles 2 and hydraulic cylinder baffles 3 respectively provided at both ends of the sliding grooves 11; the distance between the end cover baffles 2 and the hydraulic cylinder baffles 3 can be adjusted through the sliding grooves 11; a first support block 4 is provided on the side of the end cover baffles 2 near the hydraulic cylinder baffles 3 for supporting the motor rotor assembly; a second support block 5 is provided on the side of the hydraulic cylinder baffles 3 away from the end cover baffles 2; a pulling assembly 6 is also included, which passes through the hydraulic cylinder baffles 3 and is placed on the second support block 5; a hydraulic cylinder 7 is provided in the middle of the top of the second support block 5; the motor rotor assembly 8 is disposed on the first support block 4, and the rear end cover 9 of the motor rotor assembly 8 is located on the side of the end cover baffles 2 away from the hydraulic cylinder baffles 3.

[0038] Specifically, the rail transit motor rear end cover disassembly device connects one end of the pulling assembly 6 to the shaft head of the motor rotor assembly 8. Utilizing the force of the hydraulic cylinder 7, the hydraulic cylinder 7 pushes the pulling assembly 6 to move away from the end cover baffle 2. Under the isolation and restriction of the end cover baffle 2 on the side away from the hydraulic cylinder baffle 3, the motor rear end cover 9 gradually separates from the motor rotor assembly 8. The pulling assembly 6 transmits the hydraulic pressure of the hydraulic cylinder 7 to perform work, achieving the purpose of disassembling the motor rear end cover 9. This effectively reduces the labor intensity of disassembling the motor rear end cover 9 and improves the disassembly speed and efficiency. Simultaneously, it avoids pre-loosening the motor rear end cover 9 by hammering, which could cause damage or deformation, ensuring the quality of both the motor rear end cover 9 and the motor rotor assembly 8.

[0039] In addition, the distance between the end cover baffle 2 and the hydraulic cylinder baffle 3 can be adjusted by the slide groove 11, so that the device can adapt to the disassembly of motor rear end covers 9 of different sizes and types, which enhances the applicability of the device and improves the flexibility and versatility of the device in disassembling motor rear end covers 9 of different sizes and types.

[0040] like Figs. 1-3 As shown, the pulling assembly 6 includes a pull plate 61, and a connecting sleeve 62 is provided in the middle of the pull plate 61.

[0041] Specifically, since the pulling assembly 6 includes the pulling plate 61, the middle part of the pulling plate 61 is provided with the connecting sleeve 62, and the connecting sleeve 62 is connected with the shaft head of the motor rotor assembly 8, the accurate alignment and fixation with the shaft head of the motor rotor assembly 8 can be realized, the close connection between the pulling assembly 6 and the shaft head of the motor rotor assembly 8 is ensured, the dislocation or sliding of the shaft head of the motor rotor assembly 8 in the disassembly process is avoided, and thus the accuracy and stability of the disassembly of the motor rear end cover 9 are improved.

[0042] As shown in Figs. 1-3 the back of the pulling plate 61 is provided with the pull rod 63 on each side, the pull rod 63 is arranged in the hydraulic cylinder baffle 3 and placed on the second supporting block 5; the pulling assembly 6 further includes the top plate 64, the pull rod 63 on each side is connected with the top plate 64, and the middle part of the top plate 64 is provided with the top rod 65; one end of the hydraulic cylinder 7 is abutted with the hydraulic cylinder baffle 3, and the other end of the hydraulic cylinder 7 is provided with the ejector pin, and the ejector pin is correspondingly arranged with the top rod 65.

[0043] Specifically, since the pulling plate 61 is provided with the pull rod 63 on each side of the back, the pull rod 63 is arranged in the hydraulic cylinder baffle 3 and placed on the second supporting block 5; the pulling assembly 6 further includes the top plate 64, the pull rod 63 on each side is connected with the top plate 64, and the middle part of the top plate 64 is provided with the top rod 65; one end of the hydraulic cylinder 7 is abutted with the hydraulic cylinder baffle 3, and the other end of the hydraulic cylinder 7 is provided with the ejector pin, and the ejector pin is correspondingly arranged with the top rod 65; when the motor rear end cover 9 needs to be disassembled, the connecting sleeve 62 on the pulling plate 61 is connected with the front end shaft head of the motor rotor assembly 8, at this time the hydraulic cylinder 7 is started, the ejector pin of the hydraulic cylinder 7 is extended and pushes the top rod 65, the top rod 65 moves to the end away from the end cover baffle 2, the top plate 64 is driven and the pull rod 63 on each side is simultaneously moved, the pull rod 63 drives the pulling plate 61 to move, the pulling plate 61 drives the motor rotor assembly 8 to move, the motor rear end cover 9 is isolated and limited by the side of the end cover baffle 2 away from the hydraulic cylinder baffle 3, the motor rear end cover 9 generates a reaction force with the motor rotor assembly 8, and thus the motor rear end cover 9 is gradually separated from the motor rotor assembly 8, the disassembly of the motor rear end cover 9 is realized, and the convenience and efficiency of the disassembly of the motor rear end cover 9 are greatly improved.

[0044] As shown in Fig. 1 the top of the second supporting block 5 is provided with the limiting groove 51 on each side, and the pull rod 63 is placed in the limiting groove 51.

[0045] Specifically, the limiting groove 51 is arranged on each side of the top of the second supporting block 5, and the pull rod 63 is placed in the limiting groove 51, the limiting groove 51 can guide and limit the pull rod 63, so that the pull rod 63 can only move in the direction of the limiting groove 51, the deviation or shaking of the pull rod 63 in the moving process is avoided, the inconsistency of the force and angle of the pull rod 63 on each side in the pulling process is avoided, the motor rear end cover 9 is not damaged or deformed, and the consistency and stability of the force transmission in the disassembly of the motor rear end cover 9 are effectively improved.

[0046] According to the embodiment of the utility model, the hydraulic cylinder baffle 3 is provided with a hole or a groove for the pull rod 63 to pass through.

[0047] Specifically, since the hydraulic cylinder baffle 3 is provided with a hole or a groove for the pull rod 63 to pass through, the pull rod 63 can move between the hydraulic cylinder baffles 3 through the hole or the groove, so that the pulling assembly 6 can flexibly adapt to different disassembly requirements; and the assembly difficulty is reduced, the complex mechanical connection is reduced, and maintenance and overhaul are more convenient.

[0048] The above content is only an example and description of the structure of the utility model, and those skilled in the art can make various modifications or supplements or replace with similar ways to the described specific embodiments, as long as it does not deviate from the structure of the utility model or exceed the scope defined by the present claims, which shall belong to the protection scope of the utility model.

Claims

1. A rail transit motor rear end cover disassembling device, characterized in that, Also include: Workbench (1), the workbench (1) top two sides are provided with chute (11) respectively, both ends of the chute (11) are provided with end cover baffle (2) and hydraulic cylinder baffle (3) respectively; The end cover baffle (2) is provided with a first support block (4) on the side close to the hydraulic cylinder baffle (3), and the hydraulic cylinder baffle (3) is provided with a second support block (5) on the side away from the end cover baffle (2); Also includes drawing assembly (6), the drawing assembly (6) is provided with the hydraulic cylinder baffle (3) and placed on the second support block (5); The second support block (5) is provided with a hydraulic cylinder (7) on the top.

2. The rail transit motor rear end cover disassembling device according to claim 1, characterized in that, The drawing assembly (6) includes a pull plate (61), and the pull plate (61) is provided with a connecting sleeve (62) in the middle.

3. The rail transit motor rear end cover disassembling device according to claim 2, characterized in that, The back of the pull plate (61) is provided with a pull rod (63) on both sides, and the pull rod (63) is provided with the hydraulic cylinder baffle (3) and placed on the second support block (5).

4. The rail transit motor rear end cover disassembling device according to claim 3, characterized in that, The drawing assembly (6) further includes a top plate (64), and both sides of the pull rod (63) are connected with the top plate (64), and the top plate (64) is provided with a top rod (65) in the middle.

5. The rail transit motor rear end cover disassembling device according to claim 4, characterized in that, One end of the hydraulic cylinder (7) abuts against the hydraulic cylinder baffle (3), and the other end of the hydraulic cylinder (7) is provided with a thimble, and the thimble is provided correspondingly with the top rod (65).

6. The rail transit motor rear end cover disassembling device according to claim 5, characterized in that, The second support block (5) is provided with a limiting groove (51) on both sides of the top, and the pull rod (63) is placed in the limiting groove (51).

7. The rail transit motor rear end cover disassembling device according to any one of claims 3 to 6, characterized in that, The hydraulic cylinder baffle (3) is provided with a hole or a groove for the pull rod (63) to pass through.

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