CN218798321U

CN218798321U - Water pump hollow pump shaft heating and straightening device

Info

Publication number: CN218798321U
Application number: CN202223070172.5U
Authority: CN
Inventors: 刘正江; 伊晓琳; 亓文海
Original assignee: Pingdu Management Station Of Shandong Water Transfer Project Operation And Maintenance Center
Current assignee: Pingdu Management Station Of Shandong Water Transfer Project Operation And Maintenance Center
Priority date: 2022-11-19
Filing date: 2022-11-19
Publication date: 2023-04-07
Anticipated expiration: 2032-11-19

Abstract

The utility model discloses a device is straighten in heating of water pump hollow pump shaft belongs to hollow pump shaft technical field, the on-line screen storage device comprises a base, the last fixed surface of base is connected with anchor clamps control box, two backup pads of the last fixed surface of base all are located the right side of anchor clamps control box, two one side that the backup pad is close to each other is equipped with the hollow shaft jointly. According to the traditional bending hinge method for the large pump shaft, the conventional bending hinge method for the large pump shaft is generally used for returning to a factory, a unit is required to be disassembled, motor components such as an upper rack and a rotor are hoisted out, an impeller head is disassembled, the pump shaft is hoisted out and then returned to the factory, the pump shaft is adjusted and straightened and then transported to a construction site, the level of a measured mirror plate, the height of a magnetic field, the swing degrees of an upper guide shoe and a lower guide shoe and the like are reinstalled, the cost is nearly ten thousand yuan, and the installation period is delayed. Compared with the traditional solution, the on-site treatment method consumes less than thousand yuan, is used for one to two days, and obviously improves the benefit.

Description

Water pump hollow pump shaft heating and straightening device

Technical Field

The utility model relates to a hollow pump shaft field specifically is a hollow pump shaft heating of water pump is straighter device.

Background

At present, when the rotating speed of a large vertical water pump unit reaches 250 < n < 600r/min, the absolute swing allowance value of a shaft neck at a lower guide bearing of a water pump is 0.25mm. When the absolute swing of the shaft neck at the lower guide bearing of the water pump exceeds 2mm, the bending of the water pump shaft can be judged and determined, the water pump shaft is bent, and the absolute swing of the shaft neck at the lower guide bearing of the water pump cannot meet the standard requirement.

Therefore, the technical personnel in the field provide a hollow pump shaft heating and straightening device for a water pump, so as to solve the problems that the traditional bending and hinging method for a large-scale pump shaft in the background art usually adopts the steps of returning to a factory for treatment, disassembling a unit, lifting out motor parts such as an upper rack and a rotor, disassembling an impeller head, lifting out the pump shaft, returning to the factory, adjusting and straightening, transporting to a construction site, reinstalling and measuring the level of a mirror plate, the height of a magnetic field, the swing degrees of an upper guide shoe and a lower guide shoe and the like, so that the cost is high, and the installation period is delayed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a device is straighter in heating of water pump hollow pump shaft to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a device is straighten in heating of water pump hollow pump shaft, includes the base, the last fixed surface of base is connected with anchor clamps control box, two the last fixed surface of base is connected with two backup pads, two the backup pad all is located the right side of anchor clamps control box, two one side that the backup pad is close to each other is equipped with the hollow shaft jointly, two fixed establishment, two are all installed to the one side that the backup pad is close to each other, two the backup pad is close to each other one side all installs the mechanism of toasting, two toast the mechanism and be located two fixed establishment's right side respectively, two the jack mounting groove has all been seted up to the upper surface of backup pad, two the one side that the backup pad is close to each other all installs the percentage table, two the water spray plate is installed in the front of one of backup pad, two the back fixed mounting of one of backup pad has the guard box, the inside of guard box is equipped with the water pump, the water storage box is installed to the bottom surface of base, the output fixedly connected with the drainage tube of water pump, the one end that the water pump was kept away from the drainage tube runs through the guard box in proper order and is linked together with the upper surface of water spray plate, the pipe is seted up the outlet of base.

As the utility model discloses further scheme again: the bottom surface of base fixedly connected with four supporting legs, every the equal fixedly connected with antiskid ribbed tile in bottom of supporting leg.

As a further aspect of the present invention: the front of anchor clamps control box is inlayed and is had control panel, control panel's below is equipped with the warning sign.

As a further aspect of the present invention: the inner wall of the protection box is provided with a ventilation groove, and the back of the protection box is fixedly connected with a dustproof screen plate.

As the utility model discloses further scheme again: an observation window is embedded in the left side face of the water storage tank, and the observation window is rectangular.

As the utility model discloses further scheme again: the water storage tank is characterized in that a filter screen plate is arranged inside the water storage tank, and the outer surface of the filter screen plate is connected with the inner wall of the water storage tank.

As the utility model discloses further scheme again: two the equal fixedly connected with gusset plate in left surface of backup pad, two the bottom surface of gusset plate all is connected with the upper surface of base.

Compared with the prior art, the beneficial effects of the utility model are that:

according to the traditional bending hinge method for the large pump shaft, the conventional bending hinge method for the large pump shaft is generally used for returning to a factory, a unit is required to be disassembled, motor components such as an upper rack and a rotor are hoisted out, an impeller head is disassembled, the pump shaft is hoisted out and then returned to the factory, the pump shaft is adjusted and straightened and then transported to a construction site, the level of a measured mirror plate, the height of a magnetic field, the swing degrees of an upper guide shoe and a lower guide shoe and the like are reinstalled, the cost is nearly ten thousand yuan, and the installation period is delayed. Compared with the traditional solution, the on-site treatment method consumes less than thousand yuan, is used for one to two days, and obviously improves the benefit.

Drawings

FIG. 1 is a schematic perspective view of a base of a water pump hollow pump shaft heating straightening device;

FIG. 2 is a top view of a base of a water pump hollow pump shaft heating straightening device;

FIG. 3 is a cross-sectional view of a side view of a pump hollow pump shaft heating straightening device protection box;

FIG. 4 is a cross-sectional side view of a water reservoir of a pump having a hollow pump shaft with a heated straightening device.

In the figure: 1. a base; 2. a clamp control box; 3. a support plate; 4. a water spray plate; 5. a control panel; 6. a warning board; 7. a water storage tank; 8. supporting legs; 9. an anti-skid plate; 10. a hollow shaft; 11. a protective box; 12. a fixing mechanism; 13. a baking mechanism; 14. a jack mounting groove; 15. a dial indicator; 16. a reinforcing plate; 17. a water pump; 18. a drainage tube; 19. a conduit; 20. a ventilation slot; 21. a dustproof screen plate; 22. an observation window; 23. a water discharge port; 24. a filter screen plate.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Please refer to fig. 1-4, in the embodiment of the present invention, a device for straightening hollow pump shaft of water pump by heating, including base 1, base 1's last fixed surface is connected with anchor clamps control box 2, two backup pads 3 of last fixed surface of base 1 are connected with, two backup pads 3 all are located the right side of anchor clamps control box 2, one side that two backup pads 3 are close to each other is equipped with hollow shaft 10 jointly, fixed establishment 12 is all installed to the one side that two backup pads 3 are close to each other, toast mechanism 13 is all installed to the one side that two backup pads 3 are close to each other, two toast the right side that mechanism 13 is located two fixed establishment 12 respectively, jack mounting groove 14 has all been seted up to the upper surface of two backup pads 3, percentage table 15 is all installed to the one side that two backup pads 3 are close to each other, water spray plate 4 is installed in the front of one of two backup pads 3, the back fixed mounting of one of two backup pads 3 has protection box 11, the inside of protection box 11 is equipped with water pump 17, water storage box 7 is installed to the bottom surface of base 1, water pump 17's output fixed connection has drainage tube 18, water pump 17 and water storage box 19 and water pump pipe 19 and the last water storage box 7 has been seted up to the water outlet of water pump pipe extension of base 1 and water storage box extension.

Four supporting legs 8 of base 1's bottom surface fixedly connected with, the equal fixedly connected with antiskid ribbed tile 9 in bottom of every supporting leg 8, bottom through at supporting leg 8 sets up antiskid ribbed tile 9, can prevent device slide at the during operation like this, the front of anchor clamps control box 2 is inlayed and is had control panel 5, control panel 5's below is equipped with warning sign 6, warning sign 6 has certain warning effect, through setting up warning sign 6, can indicate the staff standard operation like this, ventilation groove 20 has been seted up to the inner wall of protecting box 11, the back fixedly connected with dustproof mesh plate 21 of protecting box 11, through set up ventilation groove 20 on protecting box 11, can be to the inside ventilation cooling of protecting box 11 like this.

The observation window 22 is inlaid in the left side face of the water storage tank 7, the observation window 22 is rectangular, the observation window 22 is arranged on the left side of the water storage tank 7, so that workers can conveniently check the water quantity inside the water storage tank 7, the filter screen plate 24 is arranged inside the water storage tank 7, the outer surface of the filter screen plate 24 is connected with the inner wall of the water storage tank 7, the filter screen plate 24 is arranged inside the water storage tank 7, so that flowing water can be filtered, the reinforcing plates 16 are fixedly connected to the left side faces of the two supporting plates 3, the bottom faces of the two reinforcing plates 16 are connected with the upper surface of the base 1, and the two reinforcing plates 16 are arranged, so that the supporting plates 3 and the base 1 are connected more firmly.

The utility model discloses a theory of operation is: firstly fixing the hollow shaft 10, erecting a dial indicator 15 at the position of the maximum swing point B (figure 2) on the diameter of the water guide shaft, monitoring, erecting a dial indicator 15 with a measuring range of ten millimeters at the opposite position (the pointer of the dial indicator 15 is adjusted to a position smaller than one and is adjusted to zero), selecting three points for baking by using oxygen Z alkyne at the position close to the center of the hollow shaft 10 (figure 2) on the corresponding surface of the maximum swing point (selecting a powerful welding torch, ensuring that the oxygen pressure is increased to four-point-five-atmosphere), selecting the three points along the axis, keeping the distance between the two points about three centimeters, ensuring the baking area of each point to be five square centimeters, measuring the temperature by using a temperature measuring meter during baking, ensuring the temperature to be between four-hundred and fifty degrees, observing the reading of the dial indicator 15 on the point B during baking, stopping baking when the reading of the dial indicator 15 reaches five millimeters, spraying and baking the position at which is sprayed with cold water to the baking position of the jack B (figure 2), cooling the hollow shaft 10 until no hot gas is emitted, simultaneously measuring the jack until the dial indicator 15 on the opposite point is applied to nine millimeters, immediately, removing cold water, determining the corresponding change of the jack, and comparing the corresponding bearing, and determining the corresponding change amount of the original bearing according to the original data of the dial indicator 15, and the original data after the dial indicator 15. If the swing is unqualified, the point roasting can be taken by the method above according to the relation of the variation, the roasted point plutonium can be repeated, three points can be selected at the position twenty centimeters in the axial direction of the upper part or the lower part of the roasted point, and the stroke of the jack can be properly adjusted according to the swing until the swing measurement value is in an adjustable range.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the inventive concept equivalent replacement or change, all should be covered within the protection scope of the present invention, to the person skilled in the art, it is obvious that the present invention is not limited to the details of the above-mentioned exemplary embodiment, and the present invention can be realized in other specific forms without departing from the spirit or the basic features of the present invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a device for straightening hollow pump shaft of water pump by heating, includes base (1), its characterized in that, the last fixed surface of base (1) is connected with anchor clamps control box (2), the last fixed surface of base (1) is connected with two backup pads (3), two backup pad (3) all are located the right side of anchor clamps control box (2), two one side that backup pad (3) are close to each other is equipped with hollow shaft (10) jointly, two fixed establishment (12) are all installed to the one side that backup pad (3) are close to each other, two bake mechanism (13) are located the right side of two fixed establishment (12) respectively, two jack mounting groove (14) have all been seted up to the upper surface of backup pad (3), two percentage table (15) are all installed to the one side that backup pad (3) are close to each other, two water jet board (4) are installed in the front of one of backup pad (3), two the back fixed mounting of backup pad (3) has protection box (11), the inside of protection box (11) is equipped with water pump (17), water pump output (7) is installed to the bottom surface of water pump (1), drainage tube (17) is connected with drainage tube (17), one end of the drainage tube (18) far away from the water pump (17) penetrates through the protection box (11) and is communicated with the upper surface of the water spraying plate (4), the input end of the water pump (17) is fixedly connected with a guide tube (19), one end of the guide tube (19) far away from the water pump (17) sequentially penetrates through the protection box (11) and the water storage box (7) and extends to the inside of the water storage box (7), and a water outlet (23) is formed in the upper surface of the base (1).

2. The water pump hollow pump shaft heating and straightening device according to claim 1, characterized in that four support legs (8) are fixedly connected to the bottom surface of the base (1), and an anti-slip plate (9) is fixedly connected to the bottom end of each support leg (8).

3. The water pump hollow pump shaft heating straightening device according to claim 1, characterized in that a control panel (5) is embedded in the front of the fixture control box (2), and a warning board (6) is arranged below the control panel (5).

4. The heating and straightening device for the hollow pump shaft of the water pump according to claim 1, characterized in that a ventilation groove (20) is formed in the inner wall of the protection box (11), and a dustproof screen plate (21) is fixedly connected to the back of the protection box (11).

5. The pump hollow pump shaft heating and straightening device according to claim 1, characterized in that an observation window (22) is embedded in the left side face of the water storage tank (7), and the observation window (22) is rectangular in shape.

6. The water pump hollow pump shaft heating and straightening device according to claim 1, characterized in that a filter screen plate (24) is arranged inside the water storage tank (7), and the outer surface of the filter screen plate (24) is connected with the inner wall of the water storage tank (7).

7. The device for straightening the hollow pump shaft of the water pump according to claim 1, characterized in that a reinforcing plate (16) is fixedly connected to the left side surfaces of the two supporting plates (3).

8. The pump shaft heating and straightening device for the hollow pump shaft of the water pump according to claim 7, characterized in that the bottom surfaces of the two reinforcing plates (16) are connected with the upper surface of the base (1).