Special tool for disassembling and assembling Glan-rich type multi-stage pump

Abstract

The utility model provides a special tool for disassembling and assembling a Glan-rich type multi-stage pump. The special tool for disassembling and assembling the Glan rich vertical type multi-stage pump comprises a bottom plate and a lock nut disassembling tool, the guide rail is arranged at the top of the bottom plate, a threaded hole is formed in the position, close to one side, of the top of the bottom plate, a threaded column is in threaded connection with the interior of the threaded hole, a mounting piece is fixedly connected to the top end of the threaded column, a supporting rod is fixedly connected to the top end of the mounting piece, and the positioning ring is arranged on the outer surface of the supporting rod. A fixing rod is fixedly connected to the position, located on one side, of the outer surface of the positioning ring. According to the special tool for disassembling and assembling the Glan rich vertical type multi-stage pump, the overhaul work efficiency can be improved, the labor intensity can be reduced, the damaged impeller in the rotor assembly can be replaced and then reassembled, the rotor assembly can be repeatedly used, and the production cost is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of multi-stage pump disassembly, in particular to a special tool for disassembling and assembling Grundfos vertical multi-stage pumps. Background Art

[0002] Electric energy is a secondary energy converted from primary energy. Electric energy is not only suitable for large-scale production, centralized management, automatic control and long-distance transmission, but also convenient to use, clean and economical.

[0003] A vertical multi-stage booster pump is generally arranged before reverse osmosis in the water treatment and water production system of a power plant. Among them, the Grundfos vertical multi-stage booster pump is an imported pump. This pump has excellent performance but a high price. If there are defects in the pre-booster pump system, or if a certain section of the impeller of the booster pump is damaged due to long-term operation, resulting in a decrease in the water pump output or inability to use, it will cause waste of equipment.

[0004] If a certain section of the impeller of the rotor assembly of the Grundfos vertical multi-stage pump is damaged, it cannot be used normally, and it is not convenient to disassemble and repair. It is necessary to replace the entire rotor assembly, resulting in waste of equipment.

[0005] Therefore, it is necessary to provide a special tool for disassembling and assembling Grundfos vertical multi-stage pumps to solve the above technical problems. Summary of the Utility Model

[0006] The utility model provides a special tool for disassembling and assembling Grundfos vertical multi-stage pumps, which solves the problem that if a certain section of the impeller of the rotor assembly of the Grundfos vertical multi-stage pump is damaged, it cannot be used normally, is not convenient to disassemble and repair, and it is necessary to replace the entire rotor assembly, resulting in waste of equipment.

[0007] To solve the above technical problems, the special tool for disassembling and assembling Grundfos vertical multi-stage pumps provided by the utility model includes: a bottom plate and a lock nut disassembly tool;

[0008] A guide rail, the guide rail is opened at the top of the bottom plate, a threaded hole is opened at a position close to one side of the top of the bottom plate, a threaded column is threadedly connected inside the threaded hole, the top of the threaded column is fixedly connected with a mounting plate, and the top of the mounting plate is fixedly connected with a support rod;

[0009] A positioning ring, the positioning ring is arranged on the outer surface of the support rod, a fixing rod is fixedly connected to a position on one side of the outer surface of the positioning ring, a first fixing ring is arranged on the outer surface of the support rod, a connecting rod is fixedly connected to a position on one side of the outer surface of the first fixing ring, and the other end of the connecting rod is fixedly connected with a second fixing ring;

[0010] The guide rail is provided with a certain space from one side of the bottom plate to the other side to facilitate the installation of the support rod. The first fixing ring and the second fixing ring are sleeved on the outer surface of the support rod and can be adjusted according to requirements. After fixing the rotor of the Grundfos vertical multi-stage pump, bolts are installed on the outer surface of the second fixing ring to lock the rotor shaft. There is a downward corner at the connection between the fixing rod and the positioning ring, which can facilitate the movement of the fixing rod from the bottom to the top of the guide rail. For specific reference Figure 1 The lock nut disassembly tool is in the shape of an open-end wrench.

[0011] Preferably, four anti-slip pads are fixedly connected to the bottom of the bottom plate, and the threaded holes and the guide rail are on the same straight line;

[0012] The anti-slip pads are made of rubber material.

[0013] Preferably, an installation rod is fixedly connected to the top of the installation piece, and limiting rails are respectively provided on the opposite sides of the outer surface of the installation rod;

[0014] The diameter of the installation rod is smaller than that of the support rod.

[0015] Preferably, two limiting rings are arranged on the outer surface of the installation rod, and a sleeve ring is fixedly connected to the top end of the limiting ring;

[0016] The inner diameters of the limiting ring and the sleeve ring are the same.

[0017] Preferably, a tray is fixedly connected to the outer surface of the sleeve ring, and installation bolts are respectively threadedly connected to the opposite sides of the outer surface of the limiting ring;

[0018] The installation bolts threadedly penetrate through the limiting ring and are in contact with one side of the inner wall of the limiting rail.

[0019] Preferably, limiting blocks are respectively fixedly connected to the opposite sides of the inner surfaces of the limiting ring and the sleeve ring, and a positioning ring and a first fixing ring are respectively installed on the tops of the two trays through limiting bolts;

[0020] The first fixing ring and the positioning ring are installed on the tray through limiting bolts.

[0021] Compared with the related art, the special tool for disassembling and assembling the Grundfos vertical multi-stage pump provided by the present utility model has the following beneficial effects:

[0022] The utility model provides a special tool for disassembling and assembling a Grundfos vertical multistage pump. In order to facilitate the disassembly of the Grundfos vertical multistage pump when it is damaged, first place the bottom plate flat on the workbench, fix the support rod to the threaded hole on the bottom plate by screwing it through the threaded column, then put the positioning ring on the outer surface of the support rod, making the fixing rod and the guide rail on the positioning ring parallel. After preparation, slowly push the lower part of the rotor assembly shaft vertically into the guide rail, and at the same time adjust the height of the positioning ring so that the hole of the rotor assembly shaft penetrates into the fixing rod for fixation. Then put the first fixing ring on the outer surface of the support rod, adjust the pushing depth of the rotor assembly so that the second fixing ring at the other end of the connecting rod is sleeved on the upper part of the rotor assembly shaft. At this time, the vertical fixation of the rotor assembly is completed. Use the lock nut disassembly tool to disassemble the lock nut in the rotor assembly, and configure the opening size of the disassembly tool according to the lock nut size of the Grundfos vertical multistage pump. Through this design, it is convenient to disassemble and repair the Grundfos vertical multistage pump when a failure occurs. Moreover, when overhauling and replacing the damaged impeller of the rotor assembly, the work efficiency is improved and the production cost is reduced. At the same time, by using this special tool for disassembling and assembling the Grundfos vertical multistage pump, the overhaul work efficiency can be improved, the labor intensity can be reduced, the damaged impeller in the rotor assembly can be replaced and then reassembled, and the rotor assembly can be reused, saving the production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 FIG. 6 is a schematic structural diagram of the first embodiment of the special tool for disassembling and assembling the Grundfos vertical multistage pump provided by the utility model;

[0024] Figure 2 FIG. 10 is a schematic structural diagram of the support rod provided by the utility model;

[0025] Figure 3 Provided by the utility model Figure 2 FIG. 16 is an enlarged view of the portion A shown in FIG.

[0026] Figure 4 FIG. 20 is a schematic structural diagram of the second embodiment of the special tool for disassembling and assembling the Grundfos vertical multistage pump provided by the utility model;

[0027] Figure 5 FIG. 24 is a schematic structural diagram of the slide rail provided by the utility model;

[0028] Figure 6 Provided by the utility model Figure 5 FIG. 30 is an enlarged view of the portion B shown in FIG.

[0029] Reference numerals in the figure: 1, bottom plate; 2, anti-slip pad; 3, mounting piece; 4, positioning ring; 5, support rod; 6, first fixing ring; 7, connecting rod; 8, second fixing ring; 9, lock nut disassembly tool; 10, fixing rod; 11, guide rail; 12, threaded hole; 13, threaded column; 14, mounting rod; 15, collar; 16, limit ring; 17, limit rail; 18, mounting bolt; 19, tray; 20, limit bolt; 21, limit block. Detailed implementation mode

[0030] The present utility model will be further described below in conjunction with the accompanying drawings and implementation modes.

[0031] Please refer to Figure 1 , Figure 2 , Figure 3 , wherein, Figure 1 is a schematic structural diagram of the first embodiment of the special tool for disassembling and assembling the Grundfos vertical multistage pump provided by the present utility model; Figure 2 is a schematic structural diagram of the support rod provided by the present utility model; Figure 3 is provided by the present utility model Figure 2 The enlarged view of the A position shown in. The special tool for disassembling and assembling the Grundfos vertical multistage pump includes: a bottom plate 1 and a lock nut disassembly tool 9;

[0032] A guide rail 11, the guide rail 11 is opened on the top of the bottom plate 1, a threaded hole 12 is opened at a position close to one side of the top of the bottom plate 1, a threaded column 13 is threadedly connected inside the threaded hole 12, the top end of the threaded column 13 is fixedly connected with a mounting piece 3, and the top end of the mounting piece 3 is fixedly connected with a support rod 5;

[0033] A positioning ring 4, the positioning ring 4 is arranged on the outer surface of the support rod 5, a fixing rod 10 is fixedly connected to a position on one side of the outer surface of the positioning ring 4, a first fixing ring 6 is arranged on the outer surface of the support rod 5, and a connecting rod 7 is fixedly connected to a position on one side of the outer surface of the first fixing ring 6, and the other end of the connecting rod 7 is fixedly connected with a second fixing ring 8;

[0034] The guide rail 11 is opened from one side of the bottom plate 1 to the other side of the bottom plate 1 to have a certain space for facilitating the installation of the support rod 5. The first fixing ring 6 and the second fixing ring 8 are sleeved on the outer surface of the support rod 5 and can be adjusted in position according to requirements. After the rotor of the Grundfos vertical multistage pump is fixed, it can be disassembled in cooperation with the lock nut disassembly tool 9.

[0035] Four anti-slip pads 2 are fixedly connected to the bottom of the bottom plate 1, and the threaded hole 12 and the guide rail 11 are on the same straight line;

[0036] The anti-slip pad 2 is made of rubber material and can play a role in anti-slip.

[0037] The working principle of the special tool for disassembling and assembling Grundfos vertical multi-stage pumps provided by the present utility model is as follows:

[0038] First, lay the bottom plate 1 flat on the workbench, fix the support rod 5 to the threaded hole 12 on the bottom plate 1 by screwing the threaded column 13. Then, put the positioning ring 4 on the outer surface of the support rod 5, making the fixing rod 10 and the guide rail 11 on the positioning ring 4 parallel. After preparation, slowly and vertically push the lower part of the rotor assembly shaft into the guide rail 11, and at the same time adjust the height of the positioning ring 4 so that the hole of the rotor assembly shaft penetrates into the fixing rod 10 for fixation. Then, put the first fixing ring 6 on the outer surface of the support rod 5, adjust the pushing depth of the rotor assembly, and make the second fixing ring 8 at the other end of the connecting rod 7 sleeve onto the upper part of the rotor assembly shaft. At this time, the vertical fixation of the rotor assembly is completed. Use the lock nut disassembly tool 9 to disassemble the lock nut in the rotor assembly, and equip the opening size of the disassembly tool according to the lock nut size of the Grundfos vertical multi-stage pump.

[0039] Compared with the related technology, the special tool for disassembling and assembling Grundfos vertical multi-stage pumps provided by the present utility model has the following beneficial effects:

[0040] For the convenience of disassembling when the Grundfos vertical multi-stage pump is damaged, first lay the bottom plate 1 flat on the workbench, fix the support rod 5 to the threaded hole 12 on the bottom plate 1 by screwing the threaded column 13. Then, put the positioning ring 4 on the outer surface of the support rod 5, making the fixing rod 10 and the guide rail 11 on the positioning ring 4 parallel. After preparation, slowly and vertically push the lower part of the rotor assembly shaft into the guide rail 11, and at the same time adjust the height of the positioning ring 4 so that the hole of the rotor assembly shaft penetrates into the fixing rod 10 for fixation. Then, put the first fixing ring 6 on the outer surface of the support rod 5, adjust the pushing depth of the rotor assembly, and make the second fixing ring 8 at the other end of the connecting rod 7 sleeve onto the upper part of the rotor assembly shaft. At this time, the vertical fixation of the rotor assembly is completed. Use the lock nut disassembly tool 9 to disassemble the lock nut in the rotor assembly, and equip the opening size of the disassembly tool according to the lock nut size of the Grundfos vertical multi-stage pump. Through this design, it is convenient to disassemble and repair when the Grundfos vertical multi-stage pump fails, and when overhauling and replacing the damaged impeller of the rotor assembly, the work efficiency is improved and the production cost is reduced.

[0041] Second Embodiment

[0042] Please refer to Figures 4 - 5 - Figure 6 , Figure 4 which is the structural schematic diagram of the second embodiment of the special tool for disassembling and assembling Grundfos vertical multi-stage pumps provided by the present utility model; Figure 5 which is the structural schematic diagram of the slide rail provided by the present utility model; Figure 6 which is provided by the present utility model Figure 5The enlarged view at position B as shown. Based on the first embodiment of the present application, a special tool for disassembling and assembling Grundfos vertical multi-stage pumps is provided. Another special tool for disassembling and assembling Grundfos vertical multi-stage pumps is proposed in the second embodiment of the present application. The second embodiment is merely a preferred manner of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.

[0043] Specifically, the difference of the special tool for disassembling and assembling Grundfos vertical multi-stage pumps provided by the second embodiment of the present application is that a mounting rod 14 is fixedly connected to the top of the mounting plate 3, and limiting rails 17 are provided on opposite sides of the outer surface of the mounting rod 14;

[0044] The diameter of the mounting rod 14 is smaller than that of the support rod 5, and the limiting rails 17 are from top to bottom.

[0045] Two limiting rings 16 are provided on the outer surface of the mounting rod 14, and a collar 15 is fixedly connected to the top end of the limiting ring 16;

[0046] The inner diameters of the limiting ring 16 and the collar 15 are the same, and they are both hollow cylinders.

[0047] A tray 19 is fixedly connected to the outer surface of the collar 15, and mounting bolts 18 are threadedly connected to opposite sides of the outer surface of the limiting ring 16;

[0048] The mounting bolt 18 threadedly penetrates through the limiting ring 16 and contacts one side of the inner wall of the limiting rail 17, so that the limiting ring 16 can be adjusted to the corresponding position and fixed.

[0049] Limiting blocks 21 are fixedly connected to opposite sides of the inner surfaces of the limiting ring 16 and the collar 15, and a positioning ring 4 and a first fixing ring 6 are respectively mounted on the tops of the two trays 19 through limiting bolts 20;

[0050] The first fixing ring 6 and the positioning ring 4 are mounted on the tray 19 through the limiting bolts 20 to increase their stability.

[0051] Compared with the related art, the special tool for disassembling and assembling Grundfos vertical multi-stage pumps provided by the present utility model has the following beneficial effects:

[0052] In order to facilitate the adjustment of the heights of the positioning ring 4 and the first fixing ring 6, first install the mounting rod 14 with two limiting rails 17, and then put two limiting rings 16 with collar rings 15 on the outer surface of the mounting rod 14, and make the limiting blocks 21 on the inner surfaces of the limiting rings 16 and the collar rings 15 snap into the inside of the limiting rails 17. On the outer surfaces of both collar rings 15, there are trays 19 installed. During actual use, first put the positioning ring 4 and the first fixing ring 6 on the outer surfaces of the two collar rings 15 respectively, and make their bottoms contact the tops of the trays 19. Then fix the positioning ring 4 and the first fixing ring 6 through the limiting bolts 20. After that, adjust the heights of the two collar rings 15 according to requirements. After the adjustment is completed, just fix the limiting rings 16 through the mounting bolts 18, and then the collar rings 15 can be fixed. When the position needs to be adjusted, just loosen the mounting bolts 18 to release the restriction on the limiting rings 16, so that the heights of the positioning ring 4 and the first fixing ring 6 can be quickly adjusted according to requirements.

[0053] The above are only the embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, shall be similarly included in the patent protection scope of the present invention.

Claims

1. A special tool for disassembling and assembling Grundfos vertical multi-stage pumps, characterized in that, Including: Base plate, lock nut disassembly tool; Guide rail, the guide rail is opened at the top of the base plate, a threaded hole is opened at a position close to one side of the top of the base plate, a threaded column is threadedly connected inside the threaded hole, the top end of the threaded column is fixedly connected with a mounting plate, and the top end of the mounting plate is fixedly connected with a support rod; Positioning ring, the positioning ring is arranged on the outer surface of the support rod, a fixing rod is fixedly connected to a position on one side of the outer surface of the positioning ring, a first fixing ring is arranged on the outer surface of the support rod, a connecting rod is fixedly connected to a position on one side of the outer surface of the first fixing ring, and the other end of the connecting rod is fixedly connected with a second fixing ring.

2. The dedicated tool for disassembling and assembling the Grundfos vertical multi-stage pump according to claim 1, characterized in that, Four anti-slip pads are fixedly connected to the bottom of the base plate, and the threaded hole and the guide rail are on the same straight line.

3. The dedicated tool for disassembling and assembling the Grundfos vertical multistage pump according to claim 1, wherein A mounting rod is fixedly connected to the top of the mounting plate, and limiting rails are opened on opposite sides of the outer surface of the mounting rod.

4. The dedicated tool for disassembling and assembling the Grundfos vertical multistage pump according to claim 3, characterized in that, Two limiting rings are arranged on the outer surface of the mounting rod, and a sleeve ring is fixedly connected to the top end of the limiting ring.

5. The dedicated tool for disassembling and assembling the Grundfos vertical multistage pump according to claim 4, characterized in that, A tray is fixedly connected to the outer surface of the sleeve ring, and mounting bolts are threadedly connected to opposite sides of the outer surface of the limiting ring.

6. The dedicated tool for disassembling and assembling the Grundfos vertical multistage pump according to claim 5, characterized in that, Limiting blocks are fixedly connected to opposite sides of the inner surfaces of the limiting ring and the sleeve ring, and a positioning ring and a first fixing ring are respectively installed on the tops of the two trays through limiting bolts.

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