Disassembling tool for pulley bearing

Abstract

The utility model relates to the field of bearing dismounting, in particular to a dismounting tool for a pulley bearing, which comprises a bottom plate, a dismounting assembly and a thread bushing, a mounting rack is arranged at the upper end of the bottom plate, a mounting plate is arranged at the upper end of the mounting rack, and the dismounting assembly is arranged below the mounting plate. The pulley bearing disassembling device has the advantages that the adjusting motor, the first rotating motor and the second rotating motor are used in cooperation, the automatic disassembling process of a pulley bearing is achieved, manual intervention is reduced, and working efficiency is improved; a user only needs to start a corresponding motor to complete the disassembly of the pulley bearing, so that the operation process is simplified, and the labor intensity is reduced; and a screw rod in the fixing assembly comprises two sets of thread sections with opposite thread directions, and the distance between two sets of fixing clamping plates can be adjusted through a fixing motor, so that the device can adapt to pulley bearings of different sizes, and the universality of the device is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing dismounting technical field especially relates to a pulley bearing dismounting tool. BACKGROUND

[0002] The pulley bearing is usually applied in heavy load machinery, has a double raceway outer ring and two single raceway inner rings, and is used as a pulley bearing for winding, comprising a box body, a main shaft and a deep groove ball bearing, two deep groove ball bearings are installed on the main shaft, the main shaft has external threads, and the main shaft with the two deep groove ball bearings is installed on the box body.

[0003] In the related art, the patent with the application number CN201320703517.8 discloses a pulley bearing dismounting tool, which comprises a first rotating part, a second rotating part, a rotating screw, a rotating nut, a first threaded hole, a second threaded hole, and a first screw hole.

[0004] The above information disclosed in the background technology section of the present application is only used to understand the background technology of the present application concept, and therefore, it can contain information that does not constitute prior art. UTILITY MODEL CONTENT

[0005] The utility model discloses a pulley bearing dismounting tool, which solves the problem of the first rotating part and the second rotating part of the tool being manually driven, low automation level, high labor intensity, and low dismounting efficiency after long time work.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] The utility model provides a kind of pulley bearing dismounting tool, including bottom plate, mounting bracket, dismounting component and threaded sleeve, the upper end of the bottom plate is vertically welded with mounting bracket, the upper end of the mounting bracket is fixedly provided with mounting plate, the lower end of the mounting plate is rotatably provided with threaded rod, the side of the threaded rod is threadedly engaged with fixed block, the left side of the threaded rod is connected with the output end of adjusting motor and is provided, the lower end of the fixed block is fixedly vertically provided with telescopic connecting column, the lower end of the telescopic connecting column is provided with dismounting component, the dismounting component includes first fixed plate, the upper end of the first fixed plate is connected with the lower end of telescopic connecting column and is fixed, the left side of the first fixed plate is provided with first rotating motor, the right side of the first rotating motor is connected with rotating disc by rotating shaft, the right side of the rotating disc is fixedly provided with connecting rod, the right side of the connecting rod is connected with the connecting block of the side of threaded sleeve and is fixed, the connecting block is integrally formed on the side of threaded sleeve, the inside of the threaded sleeve is threadedly engaged with rotating screw, the left side of the rotating screw is connected with the output end of second rotating motor and is provided penetrating connecting disc, the second rotating motor is fixedly provided on the left side of connecting disc, the left side of the connecting disc is provided with rotating groove, the rotating groove is annular groove, ball is clamped in the rotating groove, the rotating disc is connected with the movable end of electric push rod by ball and is fixed, the right side of the electric push rod is fixedly provided on the right side of rotating disc, the right side of the connecting disc is connected with the left side of threaded sleeve by connecting rod and is fixed, the right end of the rotating screw is integrally formed with connecting screw hole.

[0008] In some embodiments, the upper end right side of the bottom plate is detachably provided with a fixed component, the fixed component includes a connecting plate, the connecting plate is detachably connected with the bottom plate by bolts, and the upper end of the connecting plate is integrally provided with a receiving plate.

[0009] In some embodiments, the upper end of the receiving plate is rotatably provided with a screw rod, the screw rod includes two groups of thread segments with opposite thread directions, two side guide rods are symmetrically provided on the side of the screw rod, a mounting block is threadedly engaged on the side of the screw rod, and one end of the screw rod is connected with the output end of a fixed motor and is provided penetrating the receiving plate.

[0010] In some embodiments, the upper end of the mounting block is welded with a second fixed plate, the upper end of the second fixed plate is spaced apart and welded with a vertical plate, the side of the vertical plate close to each other is horizontally provided with a buffer sleeve, and one end of the buffer sleeve is fixedly provided with a fixed clamping plate.

[0011] In some embodiments, the lower end of the bottom plate is symmetrically fixed with support blocks on the left and right sides, and the left side of the bottom plate is provided with a controller.

[0012] In some embodiments, the inner side of the threaded sleeve is provided with internal threads matching the threads of the rotating screw, and the right end of the threaded sleeve is provided with a push plate.

[0013] The utility model discloses the beneficial effects are:

[0014] Through the cooperation of the motor, the first rotating motor and the second rotating motor, the automatic dismounting process of the pulley bearing is realized, manual intervention is reduced, and working efficiency is improved; the user only needs to start the corresponding motor, and the dismounting of the pulley bearing can be completed, the operation process is simplified, and the labor intensity is reduced; the screw in the fixing assembly comprises two groups of thread segments with opposite thread directions, and the spacing between the two fixing clamping plates can be adjusted through the fixing motor, which makes the device adapt to pulley bearings of different sizes and enhances the universality; a buffer layer is arranged on the side where the fixing clamping plates are close to each other, and a buffer sleeve is also used, which can effectively prevent damage to the surface of the pulley bearing box during clamping and protect the safety of the equipment; the combination of the electric push rod and the ball ensures the stable connection between the rotating disc and the threaded sleeve, so that the stability and accuracy during the dismounting process are ensured; the whole device is composed of a bottom plate, a mounting frame, a dismounting assembly and the like, and the components cooperate with each other and are compactly arranged, which not only saves space, but also improves the stability of the overall structure. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A structural schematic view of the dismounting tool for the pulley bearing is provided for the utility model;

[0016] Figure 2 A dismounting assembly structural schematic view of the dismounting tool for the pulley bearing is provided for the utility model;

[0017] Figure 3 A threaded sleeve assembly structural schematic view of the dismounting tool for the pulley bearing is provided for the utility model;

[0018] Figure 4 A rotating screw assembly structural schematic view of the dismounting tool for the pulley bearing is provided for the utility model;

[0019] Figure 5 A fixing assembly structural schematic view of the dismounting tool for the pulley bearing is provided for the utility model.

[0020] In the figure: 1 is the base plate, 2 is the support block, 3 is the controller, 4 is the mounting frame, 5 is the disassembly assembly, 501 is the first rotating motor, 502 is the first fixed plate, 503 is the rotating disc, 504 is the connecting rod, 505 is the connecting block, 506 is the threaded sleeve, 507 is the push plate, 508 is the electric push rod, 509 is the second rotating motor, 510 is the connecting disc, 511 is the rotating groove, 512 is the connecting rod, 513 is the rotating screw, 514 is the connecting screw hole, 515 is the internal thread, 6 is the fixed assembly, 601 is the connecting plate, 602 is the receiving plate, 603 is the screw rod, 604 is the guide rod, 605 is the fixed motor, 606 is the mounting block, 607 is the second fixed plate, 608 is the vertical plate, 609 is the buffer sleeve, 610 is the fixed clamping plate, 7 is the adjusting motor, 8 is the mounting plate, 9 is the telescopic connecting column. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.

[0022] It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the product of the present application is used, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0023] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "set", "mount", "connect", and "connect" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0024] Reference Figure 1 , 2, 3, 4, 5, a pulley bearing dismounting tool, including bottom plate 1, mounting frame 4, dismounting assembly 5 and threaded sleeve 506, the upper end of bottom plate 1 is vertically welded with mounting frame 4, mounting frame 4 upper end is fixedly provided with mounting plate 8, the lower end of mounting plate 8 is rotatably provided with threaded rod, the side surface of threaded rod is threadedly engaged with fixed block, the left side of threaded rod is connected with the output end of adjusting motor 7 through mounting plate 8, the lower end of fixed block is fixedly vertically provided with telescopic connecting column 9, the lower end of telescopic connecting column 9 is provided with dismounting assembly 5, and the dismounting assembly 5 comprises first fixed plate 502, the upper end of first fixed plate 502 is connected with the lower end of telescopic connecting column 9, the left side of first fixed plate 502 is provided with first rotating motor 501, the right side of first rotating motor 501 is connected with rotating disc 503 through rotating shaft, the right side of rotating disc 503 is fixedly provided with connecting rod 504, the right side of connecting rod 504 is connected with the connecting block 505 on the side surface of threaded sleeve 506, the connecting block 505 is integrally formed on the side surface of threaded sleeve 506, the inner side of threaded sleeve 506 is threadedly engaged with rotating screw 513, the left side of rotating screw 513 is connected with the output end of second rotating motor 509 through connecting disc 510, the second rotating motor 509 is fixedly installed on the left side of connecting disc 510, the left side of connecting disc 510 is provided with rotating groove 511, the rotating groove 511 is an annular groove, the rotating groove 511 is clamped with a plurality of ball bearings, the rotating disc 503 is connected with the movable end of electric push rod 508 through the ball bearings, the left side of electric push rod 508 is fixedly installed on the right side of rotating disc 503, the right side of connecting disc 510 is connected with the left side of threaded sleeve 506 through connecting rod 512, the right end of rotating screw 513 is integrally formed with connecting screw hole 514, the connecting screw hole 514 on the right end of rotating screw 513 is threadedly connected with the threaded end of the main shaft of pulley bearing, the rotating screw 513 is matched with the internal thread 515 of threaded sleeve 506, and the rotating screw 513 passes through the threaded sleeve 506, the rotating screw 513 and the threaded sleeve 506 are rotated in opposite directions by the first rotating motor 501 and the second rotating motor 509, the electric push rod 508 on the left side of the rotating screw 513 is matched, so that the rotating screw 513 moves away from the threaded sleeve 506, in the moving process, the main shaft of the pulley bearing is moved, the main shaft drives the whole pulley bearing to move, when the box body of the pulley bearing is moved to abut against the push plate 507 on the right side of the threaded sleeve 506, the rotating screw 513 and the threaded sleeve 506 are continuously rotated, so that the box body and the main shaft are gradually separated, and the box body and the main shaft are completely separated.

[0025] In the specific implementation of the embodiment of the utility model, Figure 1 、 2As shown, a fixing component 6 is detachably installed on the upper right side of the base plate 1. The fixing component 6 includes a connecting plate 601, which is detachably connected and fixed to the base plate 1 by bolts. A receiving plate 602 is integrally formed on the upper end of the connecting plate 601. The pulley bearing and the outer housing are placed on the receiving plate 602 for subsequent clamping and fixing.

[0026] In specific implementation of the embodiments of this utility model, such as Figure 1 , 5 As shown, a screw 603 is rotatably mounted inside the upper end of the receiving plate 602. The screw 603 includes two sets of threaded segments with opposite thread directions. Two guide rods 604 are symmetrically and horizontally mounted on the side of the screw 603. An installation block 606 is threadedly engaged on the side of the screw 603. One end of the screw 603 passes through the receiving plate 602 and is connected to the output end of the fixed motor 605. The fixed motor 605 is used to adjust the distance between the two sets of fixed clamping plates 610 to clamp and fix boxes of different sizes.

[0027] In specific implementation of the embodiments of this utility model, such as Figure 1 , 5 As shown, a second fixing plate 607 is welded to the upper end of the mounting block 606. Vertical plates 608 are welded at intervals to the upper end of the second fixing plate 607. A buffer sleeve 609 is horizontally arranged on the side of the vertical plates 608 that are close to each other. A fixing clamp 610 is fixedly arranged at one end of the buffer sleeve 609. Support blocks 2 are symmetrically fixed on the left and right sides of the lower end of the base plate 1. A controller 3 is arranged on the left side of the base plate 1. The inner side of the threaded sleeve 506 is provided with an internal thread that matches the thread of the rotating screw 513. A push plate 507 is glued to the right end of the threaded sleeve 506. A buffer layer is glued to the side of the fixing clamp 610 that is close to each other. The buffer sleeve 609 and the buffer layer prevent damage to the surface of the box.

[0028] In this embodiment, the components are all general standard components or components known to those skilled in the art, the structure and connection principle of which can be known by technical personnel through technical manuals or through conventional experimental methods. The pulley bearing to be disassembled and its external box body are placed on the receiving plate on the right side of the upper end of the base plate, the receiving plate 602 is fixed to the base plate 1 using the connecting plate 601 and the bolts in the fixing assembly 6, the stability of the entire device is ensured, the distance between the two sets of fixed clamping plates 610 on the screw rod 603 is adjusted by the adjusting motor 605 to adapt to pulley bearing box bodies of different sizes, and the pulley bearing box body is clamped firmly using the buffer sleeve 609 and the fixed clamping plate 610; the adjusting motor 7 is started, the threaded rod is rotated, and since the threaded rod and the fixed block are in threaded engagement, when the threaded rod rotates, it pushes or pulls the fixed block to move along its axial direction, thereby adjusting the position of the disassembly assembly 5, so that the disassembly assembly 5 can accurately align the main shaft of the pulley bearing; the connecting screw hole 514 at the right end of the rotating screw rod 513 is threadedly connected with the threaded end of the main shaft of the pulley bearing, and the two are firmly combined; the first rotating motor 501 and the second rotating motor 509 are started respectively, and they rotate in opposite directions according to the preset direction, that is, one drives the rotating disc 503 (together with the threaded sleeve 506) to rotate clockwise, and the other drives the rotating screw rod 513 to rotate counterclockwise (or vice versa), in this case, the rotating screw rod 513 will move outward (away from the threaded sleeve 506) under the action of the internal thread 515 on the inside of the threaded sleeve 506, and in the moving process, the rotating screw rod 513 drives the main shaft of the pulley bearing to move, thereby making the entire pulley bearing move along the axial direction; when the box body of the pulley bearing moves into contact with the push plate 507 on the right side of the threaded sleeve 506, continue to rotate the rotating screw rod 513 and the threaded sleeve 506, as the rotating screw rod 513 further moves outward, the box body of the pulley bearing begins to separate from the main shaft, until completely separated, at this time the pulley bearing is successfully disassembled from the main shaft; after disassembly is completed, all motors are turned off, the fixed clamping plate 610 is loosened, the pulley bearing and the box body are removed, and the work area is cleaned for next use.

[0029] The above merely describes a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A dismounting tool for a pulley bearing, comprising a base plate (1), a mounting frame (4), a dismounting assembly (5) and a threaded sleeve (506), characterized in that: The upper end of the bottom plate (1) is vertically welded with a mounting rack (4), the upper end of the mounting rack (4) is horizontally fixed with a mounting plate (8), the lower end of the mounting plate (8) is rotatably provided with a threaded rod, the side surface of the threaded rod is threadedly engaged with a fixed block, the left side of the threaded rod penetrates through the mounting plate (8) and is connected with the output end of an adjusting motor (7), the lower end of the fixed block is fixedly and vertically provided with an extension connecting column (9), the lower end of the extension connecting column (9) is provided with a dismounting assembly (5), the dismounting assembly (5) comprises a first fixed plate (502), the upper end of the first fixed plate (502) is connected and fixed with the lower end of the extension connecting column (9), the left side of the first fixed plate (502) is provided with a first rotating motor (501), the right side of the first rotating motor (501) is connected with a rotating disc (503) through an axis, the right side of the rotating disc (503) is horizontally fixed with a connecting rod (504), the right side of the connecting rod (504) is connected and fixed with a connecting block (505) on the side surface of a threaded sleeve (506), the connecting block (505) is integrally formed on the side surface of the threaded sleeve (506), the inner side of the threaded sleeve (506) is threadedly engaged with a rotating screw (513), the left side of the rotating screw (513) penetrates through a connecting disc (510) and is connected with the output end of a second rotating motor (509), the second rotating motor (509) is fixedly and integrally provided on the left side of the connecting disc (510), the left side of the connecting disc (510) is provided with a rotating groove (511), the rotating groove (511) is an annular groove, the rotating groove (511) is provided with a ball, the rotating disc (503) is connected and fixed with the movable end of an electric push rod (508) through the ball, the left side of the electric push rod (508) is fixedly and integrally provided on the right side of the rotating disc (503), the right side of the connecting disc (510) is connected and fixed with the left side of the threaded sleeve (506) through a connecting rod (512), the right end of the rotating screw (513) is integrally provided with a connecting screw hole (514).

2. The dismounting tool for a pulley bearing according to claim 1, characterized in that The right side of the upper end of the bottom plate (1) is provided with a fixed assembly (6), the fixed assembly (6) comprises a connecting plate (601), the connecting plate (601) is detachably connected and fixed with the bottom plate (1) through bolts, the upper end of the connecting plate (601) is integrally provided with a receiving plate (602).

3. The dismounting tool for a pulley bearing according to claim 2, characterized in that The upper end of the receiving plate (602) is rotatably provided with a screw rod (603), the screw rod (603) comprises two groups of thread segments with opposite thread directions, the side surface of the screw rod (603) is symmetrically provided with two side guide rods (604), the side surface of the screw rod (603) is threadedly engaged with a mounting block (606), one end of the screw rod (603) penetrates through the receiving plate (602) and is connected with the output end of a fixed motor (605).

4. The dismounting tool for a pulley bearing according to claim 3, characterized in that The upper end of the mounting block (606) is welded with a second fixed plate (607), the upper end of the second fixed plate (607) is welded with vertical plates (608) at intervals, the side of the vertical plates (608) close to each other is horizontally provided with buffer sleeves (609), and one end of the buffer sleeve (609) is fixedly provided with a fixed clamping plate (610).

5. The pulley bearing dismounting tool according to claim 1, characterized in that The lower end of the bottom plate (1) is fixedly provided with support blocks (2) on the left and right sides symmetrically, and the left side of the bottom plate is provided with a controller (3).

6. The pulley bearing dismounting tool according to claim 1, characterized in that The inner side of the threaded sleeve (506) is provided with an internal thread (515) matched with the threaded rotation screw (513), and the right end of the threaded sleeve (506) is glued with a push plate (507).

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