Special tool for disassembling centrifugal pump

Abstract

The utility model provides a special tool for disassembling a centrifugal pump. The special tool comprises a fixing assembly, a clamping assembly, an adjusting assembly and a base. The fixing assembly comprises a fixing clamping plate, a first sliding groove, a first sliding block, a fixing plate, a fixing bolt, a shaft sleeve and a pump shaft. A first sliding groove is formed in one side of the fixing clamping plate, one side of the first sliding block is connected to the interior of the first sliding groove in a sliding mode, and one side of the first sliding block is fixedly connected to one side of the fixing plate. The jack works on the pump shaft, the fixing plate fixes the shaft sleeve in the radial direction, the slipping phenomenon is avoided, the shaft sleeve can be detached more conveniently, the working difficulty of workers is lowered, the working efficiency is improved, the height of the jack can be adjusted through the arrangement of the adjusting assembly, and therefore the shaft sleeves of different sizes can be detached.

Description

Technical Field

[0001] The utility model relates to a tool for disassembling a centrifugal pump, in particular to a special tool for disassembling a centrifugal pump, belonging to the technical field of centrifugal pumps. Background Art

[0002] Centrifugal pumps have the advantages of simple structure, easy use and maintenance, large flow, high head, and excellent energy efficiency. They are widely used in many industries such as urban water supply, industry, and mining.

[0003] A Chinese patent publication (publication number: CN206544142U) discloses a centrifugal pump shaft sleeve removal tool, comprising a snap ring, wherein the upper surface of the snap ring is circumferentially distributed with a plurality of top screws penetrating the ring surface of the snap ring; a plurality of tie rods are evenly fixed circumferentially on the outer wall of the snap ring; the plurality of tie rods are parallel to each other, one end is welded on the outer wall of the snap ring, and the other end passes through the same support plate; an adjusting nut is sleeved on the end of the tie rod, and the adjusting nut sits on the outer plate surface of the support plate; a jack is installed on the inner plate surface of the support plate; the centrifugal pump shaft sleeve removal tool overcomes the shortcomings of low efficiency of centrifugal pump shaft sleeve removal and frequent damage to the pump shaft and shaft sleeve, and has the advantages of large pulling force, wide working range, high working efficiency, no need for fire, and no damage to the shaft sleeve and pump shaft. When the utility model is used, if the shaft sleeve is severely corroded, when the jack is used to remove the pump shaft, the snap ring will be unstable in fixing the shaft sleeve, causing slippage, thereby making the shaft sleeve removal operation difficult to complete. Therefore, a special tool for disassembling a centrifugal pump is proposed. Utility Model Content

[0004] In view of this, the utility model provides a special tool for disassembling a centrifugal pump to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial option.

[0005] The technical solution of the utility model is implemented as follows: a special tool for disassembling a centrifugal pump, comprising a fixing component, a clamping component, an adjusting component and a base;

[0006] The fixing assembly includes a fixing clamp, a first slide groove, a first slide block, a fixing plate, a fixing bolt, a shaft sleeve and a pump shaft;

[0007] A first slide groove is provided on one side of the fixed clamping plate, one side of the first sliding block is slidably connected to the inside of the first slide groove, one side of the first sliding block is fixedly connected to one side of the fixed plate, and a fixing bolt is installed on one side of the fixed plate.

[0008] Further preferably, the outer side wall of the shaft sleeve is mounted on the inner side wall of the fixing clamping plate, and the inner side wall of the shaft sleeve is mounted on the outer side wall of the pump shaft.

[0009] Further preferably, the clamping assembly includes a second slide groove, a second slider, a bidirectional screw and a drive motor; a second slide groove is opened on the top of the base, the bottom of the second slider is slidably connected to the inside of the second slide groove, and the bottom of the fixed clamp plate is fixedly connected to the top of the second slider.

[0010] Further preferably, the outer wall of the bidirectional screw is threadedly connected to the interior of the second sliding block, the outer wall of the drive motor is fixedly connected to the inner wall of the second sliding groove, and the output end of the drive motor is fixedly connected to one end of the bidirectional screw.

[0011] Further preferably, the adjustment assembly includes a support rod, a top plate, a cylinder, a plate body and a jack; one end of the support rod is fixedly connected to the top of the base, and the other end of the support rod is fixedly connected to the bottom of the top plate.

[0012] Further preferably, the outer side wall of the cylinder is fixedly connected to the bottom of the top plate, the piston rod of the cylinder is fixedly connected to the top of the plate body, and the outer side wall of the jack is fixedly connected to the top of the plate body.

[0013] The embodiment of the utility model has the following advantages due to the adoption of the above technical solution:

[0014] The utility model arranges the first sliding block, the fixing plate and the fixing bolts. When the shaft sleeve is severely rusted, the jack works on the pump shaft and the fixing plate radially fixes the shaft sleeve to avoid slipping, thereby facilitating the disassembly of the shaft sleeve, reducing the working difficulty of the staff and improving the working efficiency. The height of the jack can be adjusted by adjusting the setting of the adjustment component, so that shaft sleeves of different sizes can be disassembled.

[0015] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the utility model will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a structural diagram of the utility model;

[0018] Figure 2 For the utility model Figure 1 A magnified view of the structure at center;

[0019] Figure 3 This is a structural diagram of the clamping assembly of the utility model;

[0020] Figure 4 This is a structural diagram of the adjustment component of the utility model.

[0021] Figure numerals: 101, fixing assembly; 10, fixing splint; 11, first slide groove; 12, first slider; 13, fixing plate; 14, fixing bolt; 15, bushing; 16, pump shaft; 201, clamping assembly; 20, second slide groove; 21, second slider; 22, bidirectional screw rod; 23, driving motor; 301, adjusting assembly; 30, support rod; 31, top plate; 32, cylinder; 33, plate body; 34, jack; 40, base. DETAILED DESCRIPTION

[0022] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0023] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0024] like Figure 1 As shown in FIG. 4 , the embodiment of the utility model provides a special tool for disassembling a centrifugal pump, including a fixing assembly 101, a clamping assembly 201, an adjusting assembly 301 and a base 40;

[0025] The fixing assembly 101 includes a fixing clamping plate 10, a first sliding groove 11, a first sliding block 12, a fixing plate 13, a fixing bolt 14, a shaft sleeve 15 and a pump shaft 16;

[0026] A first slide groove 11 is formed on one side of the fixed clamping plate 10 . One side of the first slider 12 is slidably connected to the inside of the first slide groove 11 . One side of the first slider 12 is fixedly connected to one side of the fixed plate 13 . A fixing bolt 14 is installed on one side of the fixed plate 13 .

[0027] In one embodiment, the outer wall of the sleeve 15 is mounted on the inner wall of the fixing clamp 10 , and the inner wall of the sleeve 15 is mounted on the outer wall of the pump shaft 16 . The fixing clamp 10 is provided to axially fix the sleeve 15 .

[0028] In one embodiment, the clamping assembly 201 includes a second slide groove 20, a second slider 21, a bidirectional screw 22 and a driving motor 23; a second slide groove 20 is opened on the top of the base 40, and the bottom of the second slider 21 is slidably connected to the inside of the second slide groove 20, and the bottom of the fixed splint 10 is fixedly connected to the top of the second slider 21. Through the setting of the second slider 21, the fixed splint 10 is fixed.

[0029] In one embodiment, the outer wall of the bidirectional screw rod 22 is threadedly connected to the inside of the second slider 21, the outer wall of the drive motor 23 is fixedly connected to the inner wall of the second slide groove 20, and the output end of the drive motor 23 is fixedly connected to one end of the bidirectional screw rod 22. Through the setting of the second slide groove 20, the drive motor 23 is fixed. Through the setting of the drive motor 23, the bidirectional screw rod 22 is fixed. By controlling the drive motor 23 to drive the bidirectional screw rod 22 to rotate, the second slider 21 drives the fixed splint 10 to axially fix the shaft sleeve 15.

[0030] In one embodiment, the adjustment assembly 301 includes a support rod 30, a top plate 31, a cylinder 32, a plate body 33 and a jack 34; one end of the support rod 30 is fixedly connected to the top of the base 40, and the other end of the support rod 30 is fixedly connected to the bottom of the top plate 31. The support rod 30 is fixed by the setting of the base 40, and the top plate 31 is fixed by the setting of the support rod 30.

[0031] In one embodiment, the outer wall of the cylinder 32 is fixedly connected to the bottom of the top plate 31, the piston rod of the cylinder 32 is fixedly connected to the top of the plate body 33, and the outer wall of the jack 34 is fixedly connected to the top of the plate body 33. The top plate 31 is provided to fix the cylinder 32, the plate body 33 is fixed by the cylinder 32, and the plate body 33 is fixed by the plate body 33. The jack 34 is fixed by the plate body 33. By controlling the cylinder 32 to drive the plate body 33 to move, the height of the jack 34 can be adjusted, so that the shaft sleeves 15 of different sizes can be disassembled.

[0032] When the utility model is at work: the utility model is placed at a designated position, and the bidirectional screw rod 22 is driven to rotate by controlling the driving motor 23, so that the second slider 21 drives the fixing splint 10 to axially fix the shaft sleeve 15, and the fixing bolt 14 is loosened to release the fixing bolt 14 from fixing the fixing plate 13, and the fixing plate 13 is moved to one side of the shaft sleeve 15, and then the fixing bolt 14 is tightened, and the fixing plate 13 radially fixes the shaft sleeve 15, so that when the jack 34 works on the pump shaft 16, slipping is avoided, thereby making it easier to disassemble the shaft sleeve 15, reducing the working difficulty of the staff and improving the working efficiency, and by controlling the cylinder 32 to drive the plate body 33 to move, the height of the jack 34 can be adjusted, so that shaft sleeves 15 of different sizes can be disassembled.

[0033] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A special tool for disassembling a centrifugal pump, characterized in that: It comprises a fixing component (101), a clamping component (201), an adjusting component (301) and a base (40); The fixing assembly (101) comprises a fixing clamping plate (10), a first sliding groove (11), a first sliding block (12), a fixing plate (13), a fixing bolt (14), a shaft sleeve (15) and a pump shaft (16); A first sliding groove (11) is provided on one side of the fixing clamp (10), one side of the first sliding block (12) is slidably connected to the inside of the first sliding groove (11), one side of the first sliding block (12) is fixedly connected to one side of the fixing plate (13), and a fixing bolt (14) is installed on one side of the fixing plate (13).

2. A special tool for disassembling a centrifugal pump according to claim 1, characterized in that: The outer side wall of the shaft sleeve (15) is mounted on the inner side wall of the fixing clamping plate (10), and the inner side wall of the shaft sleeve (15) is mounted on the outer side wall of the pump shaft (16).

3. A special tool for disassembling a centrifugal pump according to claim 2, characterized in that: The clamping assembly (201) comprises a second slide groove (20), a second slider (21), a bidirectional screw rod (22) and a driving motor (23); the top of the base (40) is provided with a second slide groove (20), the bottom of the second slider (21) is slidably connected to the inside of the second slide groove (20), and the bottom of the fixed clamp plate (10) is fixedly connected to the top of the second slider (21).

4. A special tool for disassembling a centrifugal pump according to claim 3, characterized in that: The outer wall of the bidirectional screw rod (22) is threadedly connected to the interior of the second sliding block (21), the outer wall of the drive motor (23) is fixedly connected to the inner wall of the second sliding groove (20), and the output end of the drive motor (23) is fixedly connected to one end of the bidirectional screw rod (22).

5. A special tool for disassembling a centrifugal pump according to claim 3, characterized in that: The adjustment assembly (301) comprises a support rod (30), a top plate (31), a cylinder (32), a plate body (33) and a jack (34); one end of the support rod (30) is fixedly connected to the top of the base (40), and the other end of the support rod (30) is fixedly connected to the bottom of the top plate (31).

6. A special tool for disassembling a centrifugal pump according to claim 5, characterized in that: The outer wall of the cylinder (32) is fixedly connected to the bottom of the top plate (31), the piston rod of the cylinder (32) is fixedly connected to the top of the plate body (33), and the outer wall of the jack (34) is fixedly connected to the top of the plate body (33).

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