CN220179209U - Shaft dismounting device - Google Patents

Abstract

The utility model provides a shaft dismounting device, comprising: a support frame; the baffle is arranged at the end part of the support frame and is provided with a through hole; the connecting rod is arranged along the length direction of the supporting frame and is movably arranged on the supporting frame, a connecting part connected with the main shaft is arranged at the first end of the connecting rod, a threaded section is arranged at the second end of the connecting rod, and the threaded section is arranged at the through hole in a penetrating way; the first guide rail structure is arranged between the support frame and the connecting rod; the nut is sleeved on the thread section and is positioned on one side of the baffle plate away from the support frame. The technical scheme of the utility model effectively solves the problem of higher disassembly difficulty of the main shaft in the related technology.

Description

Shaft dismounting device

Technical Field

The utility model relates to the technical field of shaft disassembly, in particular to a shaft disassembly device.

Background

Spindle refers to a shaft that receives power from an engine or motor and transmits it to other parts. The spindle needs frequent maintenance and repair, and is limited by a plurality of factors in the disassembly process due to the installation characteristics of the motor spindle, such as the need of protecting the integrity of the surface of the spindle, the axial gradient cannot deviate too much in the disassembly process, and the normal wrench cannot be used for disassembly, etc.

In the related art, the main shaft is disassembled through a crow bar or a sledge hammer, and the condition that the main shaft can be disassembled after being heated is also existed, the damage to the main shaft in the disassembling process is large, the main shaft is likely to be bent and deformed or the journal is damaged, and the main shaft cannot be found by naked eyes, and after the disassembled main shaft is reinstalled and operated, vibration or liquid leakage can be generated, so that the production efficiency is influenced.

Disclosure of Invention

The utility model mainly aims to provide a shaft dismounting device which is used for solving the problem that the main shaft in the related art is difficult to dismount.

In order to achieve the above object, the present utility model provides a shaft dismounting device including: a support frame; the baffle is arranged at the end part of the support frame and is provided with a through hole; the connecting rod is arranged along the length direction of the supporting frame and is movably arranged on the supporting frame, a connecting part connected with the main shaft is arranged at the first end of the connecting rod, a threaded section is arranged at the second end of the connecting rod, and the threaded section is arranged at the through hole in a penetrating way; the first guide rail structure is arranged between the support frame and the connecting rod; the nut is sleeved on the thread section and is positioned on one side of the baffle plate away from the support frame.

Further, the connecting rod is provided with a connecting frame, the connecting frame is arranged adjacent to the threaded section, and the first guide rail structure is arranged between the connecting frame and the supporting frame.

Further, the shaft dismounting device further comprises a second guide rail structure, wherein the second guide rail structure is arranged on the supporting frame and supports the first end of the connecting rod, and is arranged at intervals with the first guide rail structure.

Further, the second guide rail structure comprises a sliding rail, a sliding block and a supporting plate, the sliding block is movably arranged on the sliding rail, the supporting plate is connected with the sliding block, and the first end of the connecting rod is supported on the supporting plate.

Further, the support frame includes first frame and the second frame that the interval set up and connects the body of rod between first frame and second frame, and the axis of the body of rod is on a parallel with the axis of connecting rod, and body of rod telescopic sets up, and second guide rail structure sets up on the body of rod.

Further, the body of rod includes first pole section and the second pole section of nested setting, and the interval is provided with first spliced eye on the first pole section, and the interval is provided with the second spliced eye on the second pole section.

Further, the support frame still includes the mounting bracket, and the mounting bracket is connected in one side that the first frame was kept away from to the second frame, and the baffle setting is kept away from one side of second frame at the mounting bracket, and first guide rail structure sets up in the inside of mounting bracket.

Further, the support frame also comprises a first anti-slip pad arranged at the bottom of the first frame and a second anti-slip pad arranged at the bottom of the second frame.

Further, the link includes connection pad and connection frame, and the connection pad is connected with the connection frame, and the connection frame includes first plate body, second plate body and third plate body, and first plate body and second plate body interval set up the both ends at the third plate body and form U-shaped structure, and the connection pad is connected between first plate body and second plate body.

Further, the first rail structure includes a first rail portion and a second rail portion, the first rail portion is disposed between the mounting bracket and the first plate, and the second rail portion is disposed between the mounting bracket and the second plate.

By applying the technical scheme of the utility model, the baffle is arranged at the end part of the support frame, the baffle is provided with the through hole, the connecting rod is arranged along the length direction of the support frame, and the connecting rod is movably arranged on the support frame. The first end of connecting rod is provided with the connecting portion that the main shaft is connected, and the second end of connecting rod has the screw thread section, and the screw thread section wears to establish in the through-hole. The nut is sleeved on the thread section and is positioned on one side of the baffle plate away from the support frame. The first guide rail structure is arranged between the support frame and the connecting rod. Through foretell setting, when dismantling the axle, place the motor in the tip that the baffle was kept away from to the support frame, be connected with the main shaft through connecting portion, rethread swivel nut for the connecting rod removes, thereby drives the main shaft and removes, under the effect of first guide rail structure, can make the position of connecting rod comparatively stable simultaneously, can prevent that the connecting rod from taking place to rotate simultaneously, and then make the main shaft dismantle easier. Therefore, the technical scheme of the utility model effectively solves the problem of higher disassembly difficulty of the main shaft in the related technology.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

fig. 1 shows a schematic perspective view of an embodiment of a shaft dismounting device according to the utility model;

FIG. 2 shows an exploded view of the shaft dismounting device of FIG. 1;

FIG. 3 is a schematic perspective view showing a supporting frame of the shaft dismounting device of FIG. 2;

FIG. 4 shows a schematic perspective view of the connecting rod of the shaft dismounting device of FIG. 2;

fig. 5 shows a schematic perspective view of the shaft dismounting device of fig. 1 mated with a motor.

Wherein the above figures include the following reference numerals:

10. a support frame; 11. a first frame; 12. a second frame; 13. a rod body; 131. a first pole segment; 1311. a first plug hole; 132. a second pole segment; 1321. a second plug hole; 14. a mounting frame; 20. a baffle; 21. a through hole; 30. a connecting rod; 31. a connection part; 32. a threaded section; 33. a connecting frame; 331. a connecting disc; 332. a connection frame; 3321. a first plate body; 3322. a second plate body; 3323. a third plate body; 40. a first rail structure; 41. a first rail portion; 42. a second rail portion; 50. a nut; 60. a second rail structure; 61. a slide rail; 62. a slide block; 63. a support plate; 71. a first cleat; 72. and a second non-slip mat.

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. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. 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.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

As shown in fig. 1 and 2, in the present embodiment, the shaft detaching device includes: support frame 10, baffle 20, connecting rod 30, first rail structure 40, and nut 50. The baffle 20 is arranged at the end part of the support frame 10, and a through hole 21 is arranged on the baffle 20. The connecting rod 30 is disposed along the length direction of the support frame 10 and is movably disposed on the support frame 10, a first end of the connecting rod 30 is provided with a connecting portion 31 connected with the spindle, a second end of the connecting rod 30 is provided with a threaded section 32, and the threaded section 32 is arranged at the through hole 21 in a penetrating manner. The first rail structure 40 is disposed between the support frame 10 and the connecting rod 30. The nut 50 is sleeved on the threaded section 32 and is positioned on the side of the baffle 20 remote from the support frame 10.

By applying the technical scheme of the embodiment, the baffle 20 is arranged at the end part of the support frame 10, the baffle 20 is provided with the through hole 21, the connecting rod 30 is arranged along the length direction of the support frame 10, and the connecting rod 30 is movably arranged on the support frame 10. The first end of the connecting rod 30 is provided with a connecting portion 31 for spindle connection, the second end of the connecting rod 30 is provided with a threaded section 32, and the threaded section 32 is arranged in the through hole 21 in a penetrating manner. The nut 50 is sleeved on the threaded section 32 and is positioned on the side of the baffle 20 remote from the support frame 10. The first rail structure 40 is disposed between the support frame 10 and the connecting rod 30. Through foretell setting, when dismantling the axle, place the motor at the tip that baffle 20 was kept away from to support frame 10, be connected with the main shaft through connecting portion 31, rethread swivel nut 50 for connecting rod 30 removes, thereby drives the main shaft and removes, simultaneously under the effect of first guide rail structure 40, can make the position of connecting rod 30 comparatively stable, can prevent simultaneously that connecting rod 30 from taking place to rotate, and then make the main shaft dismantle easier. Therefore, the technical scheme of the embodiment effectively solves the problem of high disassembly difficulty of the main shaft in the related technology.

The connecting portion 31 includes a connecting cap, which is a cap on the adjustable flange frame.

As shown in fig. 2 and 4, in the present embodiment, the connecting rod 30 is provided with a connecting frame 33, the connecting frame 33 is disposed adjacent to the threaded section 32, and the first rail structure 40 is disposed between the connecting frame 33 and the support frame 10. Specifically, the connecting frame 33 is located between the threaded section 32 and the connecting portion 31, the connecting frame 33 is arranged adjacent to the threaded section 32, the distance between the connecting frame 33 and the supporting frame 10 is small, the first guide rail structure 40 is arranged between the connecting frame 33 and the supporting frame 10, and therefore the connecting frame 33 can move more stably under the action of the first guide rail structure 40, and the connecting rod 30 can move more stably, so that the main shaft can be detached more easily.

As shown in fig. 1 to 3, in the present embodiment, the shaft dismounting device further includes a second rail structure 60, and the second rail structure 60 is disposed on the support frame 10 and supports the first end of the connecting rod 30, and is disposed at a distance from the first rail structure 40. The second rail structure 60 can support the connecting rod 30, so that the position of the connecting rod 30 can be more stable, and when the connecting rod 30 moves, the second rail structure 60 can move along with the connecting rod 30.

As shown in fig. 1 to 3, in the present embodiment, the second rail structure 60 includes a slide rail 61, a slider 62, and a support plate 63, the slider 62 is movably provided on the slide rail 61, the support plate 63 is connected to the slider 62, and the first end of the connecting rod 30 is supported on the support plate 63. The slider 62 is movable on the slide rail 61, the support plate 63 is connected to the slider 62, and the support plate 63 can support the connecting rod 30.

As shown in fig. 1 to 3, in the present embodiment, the support frame 10 includes a first frame 11 and a second frame 12 disposed at intervals, and a rod body 13 connected between the first frame 11 and the second frame 12, the axis of the rod body 13 is parallel to the axis of the connecting rod 30, the rod body 13 is telescopically disposed, and the second rail structure 60 is disposed on the rod body 13. The first frame 11 and the second frame 12 are arranged at intervals, the rod body 13 is arranged between the first frame 11 and the second frame 12, and the rod body 13 can effectively support the second guide rail structure 60, so that the position of the second guide rail structure 60 is stable.

As shown in fig. 1 to 3, in the present embodiment, the rod 13 includes a first rod segment 131 and a second rod segment 132 that are nested, where a first plug hole 1311 is disposed on the first rod segment 131 at an interval, and a second plug hole 1321 is disposed on the second rod segment 132 at an interval. The first and second pole segments 131, 132 are nested such that the first and second pole segments 131, 132 can be lengthened or shortened and the positions of the first and second pole segments 131, 132 can be effectively shortened under the influence of the first and second plug holes 1311, 1321.

The first and second plug holes 1311 and 1321 have a diameter of 10mm, which is 4, and each first plug hole 1311 has a pitch of 60mm and each second plug hole 1321 has a pitch of 60mm.

Specifically, when the spindle is disassembled, the first rod segment 131 and the second rod segment 132 are adjusted to a shorter position, and when the spindle is pulled to the maximum position of the threaded segment 32, the spindle is not disassembled, the first rod segment 131 and the second rod segment 132 are adjusted to increase the length of the rod 13, and at this time, most of the threaded segment 32 is positioned in the support frame 10, and the nut 50 is adjusted to increase the length of the threaded segment 32 extending out of the support frame 10, so that the spindle is effectively disassembled.

As shown in fig. 1 to 3, in the present embodiment, the support frame 10 further includes a mounting frame 14, the mounting frame 14 is connected to a side of the second frame 12 away from the first frame 11, the baffle 20 is disposed on a side of the mounting frame 14 away from the second frame 12, and the first rail structure 40 is disposed inside the mounting frame 14. The mounting frame 14 is provided to stabilize the position of the first rail structure 40, and in particular, the mounting frame 14 includes two support bars disposed at intervals, the support bars being perpendicular to the second frame 12. The baffle 20 is disposed at the end of the support rod remote from the second frame 12.

As shown in fig. 1 to 5, in the present embodiment, the support frame 10 further includes a first anti-slip pad 71 provided at the bottom of the first frame 11 and a second anti-slip pad 72 provided at the bottom of the second frame 12. The first anti-slip pad 71 and the second anti-slip pad 72 can prevent the movement of the support frame 10, so that the support frame 10 moves when the spindle is disassembled again.

Specifically, the first frame 11 and the second frame 12 were made of 304 stainless steel square tubes of 40mm×40mm, and the first frame 11 and the second frame 12 were 340mm in height and 240mm in width.

As shown in fig. 1 to 5, in the present embodiment, the connection frame 33 includes a connection pad 331 and a connection frame 332, the connection pad 331 is connected to the connection frame 332, the connection frame 332 includes a first plate 3321, a second plate 3322, and a third plate 3323, the first plate 3321 and the second plate 3322 are disposed at both ends of the third plate 3323 at intervals and form a U-shaped structure, and the connection pad 331 is connected between the first plate 3321 and the second plate 3322. The arrangement described above can make the stability of the connection better.

Of course, in an embodiment not shown in the figures, the connection frame is provided on the connection rod, i.e. the connection frame is located at the side of the connection rod.

As shown in fig. 1 to 5, in the present embodiment, the first rail structure 40 includes a first rail portion 41 and a second rail portion 42, the first rail portion 41 being disposed between the mounting bracket 14 and the first plate 3321, and the second rail portion 42 being disposed between the mounting bracket 14 and the second plate 3322. The above-described arrangement of the first rail portion 41 and the second rail portion 42 can make the movement of the link 33 more stable.

The shaft dismounting device of this embodiment is used as follows, taking a motor spindle as an example:

the motor main shaft is integrally placed at the rear end of a certain device, and the symmetrical positions are adjusted;

the shaft dismounting device is sleeved on the main shaft, the supporting frame 10 is clamped at the outer side of the motor, and the connecting part 31 is connected to the main shaft of the motor to form a whole;

the spindle can be easily detached from the motor successfully by screwing the nut 50, so that spot inspection and maintenance can be performed.

The shaft dismounting device of this embodiment is also suitable for the dismounting operation of stirring main shafts such as hundred ton tanks, wet mixing tanks, storage tanks, oil tanks and other devices with main shafts. The shaft dismounting device is convenient to dismount, and the time for detecting the main shaft can be shortened.

In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A shaft dismounting device, comprising:

a support (10);

the baffle plate (20) is arranged at the end part of the supporting frame (10), and a through hole (21) is formed in the baffle plate (20);

the connecting rod (30) is arranged along the length direction of the supporting frame (10) and is movably arranged on the supporting frame (10), a connecting part (31) connected with the main shaft is arranged at the first end of the connecting rod (30), a threaded section (32) is arranged at the second end of the connecting rod (30), and the threaded section (32) is arranged at the through hole (21) in a penetrating mode;

a first rail structure (40) disposed between the support frame (10) and the connecting rod (30);

the nut (50) is sleeved on the threaded section (32) and is positioned on one side of the baffle plate (20) away from the support frame (10).

2. The shaft dismounting device as claimed in claim 1, characterized in that a connecting frame (33) is provided on the connecting rod (30), the connecting frame (33) being provided adjacent to the threaded section (32), the first guide rail structure (40) being provided between the connecting frame (33) and the support frame (10).

3. The shaft dismounting device as defined in claim 2, further comprising a second rail structure (60), the second rail structure (60) being arranged on the support frame (10) and supporting the first end of the connecting rod (30) and being arranged at a distance from the first rail structure (40).

4. A shaft dismounting device as claimed in claim 3, characterized in that the second guide rail structure (60) comprises a slide rail (61), a slide block (62) and a support plate (63), the slide block (62) being movably arranged on the slide rail (61), the support plate (63) being connected with the slide block (62), the first end of the connecting rod (30) being supported on the support plate (63).

5. A shaft dismounting device as claimed in claim 3, characterized in that the support frame (10) comprises a first frame (11) and a second frame (12) arranged at intervals and a rod body (13) connected between the first frame (11) and the second frame (12), the axis of the rod body (13) being parallel to the axis of the connecting rod (30), the rod body (13) being telescopically arranged, the second guide rail structure (60) being arranged on the rod body (13).

6. The shaft dismounting device as claimed in claim 5, characterized in that the shaft body (13) comprises a first shaft section (131) and a second shaft section (132) which are arranged in a nested manner, wherein first plug holes (1311) are formed in the first shaft section (131) at intervals, and second plug holes (1321) are formed in the second shaft section (132) at intervals.

7. The shaft dismounting device as defined in claim 5, wherein the support frame (10) further comprises a mounting frame (14), wherein the mounting frame (14) is connected to a side of the second frame (12) away from the first frame (11), wherein the baffle (20) is arranged on a side of the mounting frame (14) away from the second frame (12), and wherein the first guide rail structure (40) is arranged inside the mounting frame (14).

8. The shaft dismounting device according to claim 5, characterized in that the support frame (10) further comprises a first anti-slip pad (71) arranged at the bottom of the first frame (11) and a second anti-slip pad (72) arranged at the bottom of the second frame (12).

9. The shaft dismounting device as defined in claim 7, wherein the connection frame (33) includes a connection disc (331) and a connection frame (332), the connection disc (331) is connected with the connection frame (332), the connection frame (332) includes a first plate body (3321), a second plate body (3322) and a third plate body (3323), the first plate body (3321) and the second plate body (3322) are arranged at two ends of the third plate body (3323) at intervals and form a U-shaped structure, and the connection disc (331) is connected between the first plate body (3321) and the second plate body (3322).

10. The shaft dismounting device as defined in claim 9, wherein the first rail structure (40) comprises a first rail portion (41) and a second rail portion (42), the first rail portion (41) being arranged between the mounting frame (14) and the first plate body (3321), the second rail portion (42) being arranged between the mounting frame (14) and the second plate body (3322).