CN217596986U - Shaft sleeve dismounting tool - Google Patents

Abstract

An embodiment of the utility model provides a shaft sleeve extracting tool relates to the extracting tool field. This axle sleeve extracting tool includes the sleeve, the shore screw rod, positioning disk and stop nut, telescopic both ends are equipped with first opening and second opening respectively, the second opening is used for the card to establish the axle sleeve, the shore screw rod is worn to locate first opening, the shore screw rod is located to the positioning disk cover, the positioning disk slidable ground sets up in the sleeve and butt in telescopic inner wall, stop nut and shore screw rod screw-thread fit, and butt in telescopic inner wall, this axle sleeve extracting tool can reduce the degree of difficulty of dismantling the axle sleeve, improve the convenience that the axle sleeve was dismantled.

Description

Shaft sleeve dismounting tool

Technical Field

The utility model relates to a extracting tool field particularly, relates to a shaft sleeve extracting tool.

Background

In contrast to pumps, such as centrifugal pumps, it is necessary in some cases to disassemble the shaft and the shaft sleeve.

In the prior art, the shaft sleeve is difficult to disassemble, such as the shaft is easy to deviate from the top of the shaft, and the disassembly is difficult.

SUMMERY OF THE UTILITY MODEL

The utility model provides an axle sleeve extracting tool, it can improve the convenience that the axle sleeve was dismantled.

The embodiment of the utility model discloses a can realize like this:

an embodiment of the utility model provides a shaft sleeve extracting tool, it includes:

the sleeve is provided with a first opening and a second opening at two ends respectively, and the second opening is used for clamping the shaft sleeve;

the top supporting screw rod penetrates through the first opening;

the guide disc is sleeved on the jacking screw rod and can be slidably arranged in the sleeve and abutted against the inner wall of the sleeve; and

and the limiting nut is in threaded fit with the top support screw and abuts against the inner wall of the sleeve.

Optionally, the outer wall of the sleeve is provided with a guide hole in a penetrating manner, the outer wall of the limit nut is fixedly provided with a sliding part, and the sliding part is slidably arranged in the guide hole.

Optionally, the number of the guide holes and the number of the sliding members are both multiple, and the multiple sliding members are respectively slidably disposed in the multiple guide holes.

Optionally, the shaft sleeve detaching tool further comprises a first fastening piece, a first fastening hole penetrates through the outer wall of the sleeve, a fixing hole is formed in the limiting nut, and the first fastening piece penetrates through the first fastening hole and the fixing hole.

Optionally, the number of the first fastening holes is multiple, and the sleeve is provided with a plurality of the first fastening holes in a penetrating manner in both the axial direction and the radial direction.

Optionally, the guide disc and the top bracing screw are in threaded fit and are far away from the first opening relative to the limit nut.

Optionally, the shaft sleeve dismounting tool further comprises a fastening nut, wherein the fastening nut is in threaded fit with the top bracing screw and abuts against the guide disc.

Optionally, the shaft sleeve dismounting tool further comprises a shaft propping piece, the shaft propping piece comprises a propping block and a propping column, the propping block is provided with a propping groove, and the propping column is fixedly connected to one side of the propping block away from the propping groove;

one end, far away from the first opening, of the top bracing screw rod is clamped in the top bracing groove.

Optionally, the end, far away from the second opening, of the top bracing screw rod is provided with a mounting hole, and the top bracing column is used for being clamped in the mounting hole.

Optionally, the shaft sleeve dismounting tool further comprises a second fastening piece, the sleeve is provided with a second fastening hole in a penetrating manner, the second fastening hole is communicated with the second opening, and the second fastening piece is arranged in the second fastening hole in a penetrating manner.

The utility model discloses axle sleeve extracting tool's beneficial effect includes, for example:

the embodiment of the utility model provides a shaft sleeve extracting tool, it includes sleeve, shore screw, deflector and stop nut, telescopic both ends are equipped with first opening and second opening respectively, the second opening is used for the card to establish the axle sleeve, shore screw wears to locate first opening, shore screw is located to the deflector cover, set up in the sleeve and butt in telescopic inner wall guide plate slidable, stop nut and shore screw thread fit, and the butt in telescopic inner wall. When carrying out the axle sleeve and dismantling, the axle sleeve card is established at the second opening, first open-ended tip butt is kept away from to axle and shore screw rod, because the stop nut butt is in the sleeve, through following the rotatory shore screw rod of same direction, shore screw rod can remove to second opening direction for stop nut, and its tip begins to extrude the axle, make axle and axle sleeve separation, in order to dismantle the axle sleeve, because set up in the sleeve with the deflector slidable, and the shore screw rod is located to the cover, can guarantee shore screw rod at the in-process that removes not incline, prevent to push up the axle partially, the degree of difficulty of dismantling the axle sleeve has been reduced, the convenience of axle sleeve dismantlement has been improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of a shaft sleeve dismounting tool provided in an embodiment of the present invention;

fig. 2 is a cross-sectional view of a first state of a shaft sleeve removal tool provided in an embodiment of the present invention;

fig. 3 is a sectional view of a shaft sleeve detaching tool in a second state according to an embodiment of the present invention.

An icon: 1000-shaft sleeve detaching tool; 100-a sleeve; 110 — a first opening; 120-a second opening; 130-a pilot hole; 140-first fastening hole; 150-second fastening hole; 200-top bracing screw; 210-mounting holes; 300-a guiding disc; 400-a limit nut; 410-a slide; 500-a first fastener; 600-fastening a nut; 700-shaft top support; 710-a roof support block; 711-shoring groove; 720-top bracing column; 800-second fastener.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience of description and simplification, but the indication or suggestion that the indicated device or element must have a specific position, be constructed and operated in a specific orientation, and thus, should not be interpreted as a limitation of the present invention.

Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.

Compared with pumps, such as centrifugal pumps, the shaft and the shaft sleeve of the pump need to be disassembled under partial conditions, and in the prior art, the shaft sleeve is difficult to disassemble, such as the shaft is easy to be jacked to be deviated, so that the disassembly is difficult. In view of this, the shaft sleeve dismounting tool provided in the embodiments of the present invention can solve this problem.

Referring to fig. 1-3, the present embodiment provides a shaft sleeve dismounting tool 1000, which will be described in detail below.

Please refer to fig. 1 and fig. 2 first, an embodiment of the present invention provides a shaft sleeve dismounting tool 1000, which includes a sleeve 100, a supporting screw 200, a guiding disc 300 and a stop nut 400, two ends of the sleeve 100 are respectively provided with a first opening 110 and a second opening 120, the first opening 110 and the second opening 120 are circular openings, and the diameter of the second opening 120 is greater than the diameter of the first opening 110. The second opening 120 is used for clamping the shaft sleeve, so as to fix the shaft sleeve, the supporting screw 200 is inserted into the first opening 110, the guiding disc 300 is sleeved on the supporting screw 200, the guiding disc 300 is slidably disposed in the sleeve 100 and abuts against the inner wall of the sleeve 100, the first opening 110 and the guiding disc 300 limit the moving direction of the supporting screw 200 together, and prevent the supporting screw 200 from deviating.

Wherein, the deflector 300 and the top bracing screw rod 200 are in threaded fit, and keep away from the first opening 110 for stop nut 400, and stop nut 400 and top bracing screw rod 200 are in threaded fit, and the butt is in the inner wall of sleeve 100, specifically, stop nut 400 is the disk nut, when carrying out the axle sleeve dismantlement, the axle sleeve card is established at second opening 120, the axle and the top bracing screw rod 200 keep away from the tip butt of first opening 110.

Because stop nut 400 butt is in sleeve 100, through rotatory shoring screw 200 along same direction, shoring screw 200 removes to second opening 120 direction for stop nut 400, and its tip begins to extrude the axle, make axle and axle sleeve separation, in order to dismantle the axle sleeve, because the deflector 300 slidable ground sets up in sleeve 100, and the shoring screw 200 is located to the cover, can guarantee that shoring screw 200 does not incline at the in-process that removes, prevent to push up the axle partially, the degree of difficulty of dismantling the axle sleeve has been reduced, the convenience of axle sleeve dismantlement has been improved.

Specifically, the end of the jacking screw rod 200 away from the second opening 120 may be twisted using a solid wrench or a monkey wrench, causing the entire jacking screw rod 200 to rotate. It is easily understood that when the jack screw 200 is rotated in the opposite direction, the jack screw 200 moves in the direction of the first opening 110 with respect to the check nut 400.

As shown in fig. 2, in order to prevent the top-supporting screw 200 from directly pressing the shaft to damage the end of the shaft, in this embodiment, the shaft sleeve dismounting tool 1000 further includes a shaft top-supporting member 700, the shaft top-supporting member 700 includes a top-supporting block 710 and a top-supporting pillar 720, the top-supporting block 710 has a top-supporting groove 711, the top-supporting pillar 720 is fixedly connected to a side of the top-supporting block 710 away from the top-supporting groove 711, and one end of the top-supporting screw 200 away from the first opening 110 is clamped in the top-supporting groove 711.

When the shaft top supporting member 700 is not detached, in order to prevent the shaft top supporting member 700 from being easily detached and lost, as shown in fig. 3, a mounting hole 210 is disposed at one end of the top supporting screw 200 away from the second opening 120, and the top supporting column 720 is used for being clamped in the mounting hole 210.

Referring to fig. 1 and 2 again, in order to cope with the shaft sleeves in different installation positions, and because the length of the shaft protruding relative to the shaft sleeve is not fixed, the position of the top-supporting screw 200 in the sleeve 100 needs to be adjusted quickly, in this embodiment, the outer wall of the sleeve 100 is provided with a guide hole 130 in a penetrating manner, the outer wall of the stop nut 400 is fixedly provided with a sliding member 410, and the sliding member 410 is slidably disposed in the guide hole 130.

The number of the guide holes 130 and the number of the sliding pieces 410 are multiple, the sliding pieces 410 are respectively slidably disposed in the guide holes 130, specifically, the guide holes 130 are bar-shaped guide holes 130, the number of the guide holes is four, the guide holes are evenly distributed at intervals, the number of the sliding pieces 410 is also four, and the sliding pieces 410 can be screws, so that the position of the limit nut 400 can be quickly adjusted, that is, the distance from the end of the top-supporting screw 200 to the second opening 120 can be quickly adjusted.

Meanwhile, in order to prevent the top bracing screw 200 from sliding in the rotating process, the limit nut 400 is provided with a first fastening piece 500, the outer wall of the sleeve 100 is provided with a first fastening hole 140 in a penetrating manner, the limit nut 400 is provided with a fixing hole, the first fastening piece 500 is simultaneously arranged in the first fastening hole 140 and the fixing hole in a penetrating manner, it is easy to understand that the number of the first fastening holes 140 is multiple, the sleeve 100 is provided with a plurality of first fastening holes 140 in a penetrating manner in the axial direction and the radial direction, the specific number of the first fastening pieces 500 is two, the first fastening pieces 500 are symmetrical relative to the top bracing screw 200, and the first fastening pieces 500 can be bolts or screws.

In this embodiment, the guide disc 300 and the top support screw 200 are engaged with each other by screw threads, and in order to prevent the guide disc 300 from sliding, the sleeve removing tool 1000 further includes a fastening nut 600, and the fastening nut 600 is engaged with the top support screw 200 by screw threads and abuts against the guide disc 300.

In addition, in order to fix the bushing at the second opening 120, the bushing removing tool 1000 further includes a second fastening member 800, the sleeve 100 is provided with a second fastening hole 150 in a penetrating manner, the number of the second fastening members 800 and the number of the second fastening holes 150 are four, the second fastening holes 150 are uniformly arranged at intervals, the second fastening holes 150 communicate with the second opening 120, the second fastening member 800 is arranged in the second fastening hole 150 in a penetrating manner, the second fastening member 800 may be a screw or a bolt, and the second fastening hole 150 may be a threaded hole, so that the bushing is screwed and pressed through the second fastening hole 150.

In summary, the shaft sleeve dismounting tool 1000 includes a sleeve 100, a top support screw 200, a guide disc 300 and a limit nut 400, two ends of the sleeve 100 are respectively provided with a first opening 110 and a second opening 120, the second opening 120 is used for clamping the shaft sleeve, the top support screw 200 penetrates through the first opening 110, the guide disc 300 is sleeved on the top support screw 200, the guide disc 300 is slidably disposed in the sleeve 100 and abuts against an inner wall of the sleeve 100, and the limit nut 400 is in threaded fit with the top support screw 200 and abuts against the inner wall of the sleeve 100.

When the shaft sleeve is disassembled, the shaft sleeve is clamped in the second opening 120, the shaft and the end part of the top support screw rod 200 far away from the first opening 110 are abutted, because the limit nut 400 is abutted in the sleeve 100, the top support screw rod 200 is rotated along the same direction, the top support screw rod 200 moves towards the second opening 120 relative to the limit nut 400, and the end part of the top support screw rod starts to extrude the shaft, so that the shaft and the shaft sleeve are separated, and the shaft sleeve is disassembled, because the guide disc 300 is slidably arranged in the sleeve 100 and sleeved on the top support screw rod 200, the top support screw rod 200 can be ensured not to incline in the moving process, the shaft sleeve is prevented from inclining, the difficulty in disassembling the shaft sleeve is reduced, and the convenience in disassembling the shaft sleeve is improved.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A shaft sleeve dismounting tool is characterized by comprising:

the sleeve comprises a sleeve (100), wherein a first opening (110) and a second opening (120) are respectively formed in two ends of the sleeve (100), and the second opening (120) is used for clamping a shaft sleeve;

the top bracing screw rod (200), the top bracing screw rod (200) is arranged in the first opening (110) in a penetrating way;

the guide disc (300) is sleeved on the top bracing screw rod (200), and the guide disc (300) is slidably arranged in the sleeve (100) and abutted against the inner wall of the sleeve (100); and

the limiting nut (400) is in threaded fit with the top support screw (200) and abuts against the inner wall of the sleeve (100).

2. The bushing dismounting tool according to claim 1, wherein a guide hole (130) is formed through an outer wall of the sleeve (100), a sliding member (410) is fixedly mounted on an outer wall of the limit nut (400), and the sliding member (410) is slidably disposed in the guide hole (130).

3. The bushing-removing tool according to claim 2, wherein said guide hole (130) and said sliding member (410) are plural in number, and said sliding members (410) are slidably provided to said guide holes (130), respectively.

4. The bushing removing tool according to claim 1, further comprising a first fastening member (500), wherein a first fastening hole (140) is formed through an outer wall of the sleeve (100), a fixing hole is formed in the limit nut (400), and the first fastening member (500) is simultaneously inserted through the first fastening hole (140) and the fixing hole.

5. The bushing removing tool according to claim 4, wherein the number of the first fastening holes (140) is plural, and the first fastening holes (140) are provided to penetrate the sleeve (100) in both axial and radial directions.

6. The bushing remover tool according to claim 1, wherein said pilot disc (300) and said jackscrew (200) are threadably engaged and are distal from said first opening (110) relative to said stop nut (400).

7. The bushing stripper tool according to claim 1, further comprising a fastening nut (600), wherein the fastening nut (600) is screw-fitted to the top bracing screw (200) and abuts against the guide disc (300).

8. The bushing dismounting tool according to claim 1, further comprising a bushing dismounting tool, wherein the bushing dismounting tool further comprises a bushing top supporter (700), the bushing top supporter (700) comprises a top supporting block (710) and a top supporting column (720), the top supporting block (710) is provided with a top supporting groove (711), and the top supporting column (720) is fixedly connected to one side of the top supporting block (710) far away from the top supporting groove (711);

one end, far away from the first opening (110), of the top support screw rod (200) is clamped in the top support groove (711).

9. The bushing dismounting tool according to claim 8, wherein an end of the jacking screw rod (200) away from the second opening (120) is provided with a mounting hole (210), and the jacking column (720) is used for being clamped in the mounting hole (210).

10. The bushing remover as claimed in claim 1, further comprising a second fastening member (800), wherein said sleeve (100) has a second fastening hole (150) therethrough, said second fastening hole (150) communicating with said second opening (120), and said second fastening member (800) is disposed through said second fastening hole (150).

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