Magnetic drive pump with inner magnetic rotor deviation monitoring function

Abstract

The utility model discloses a magnetic drive pump with an inner magnetic rotor deviation monitoring function, which comprises a motor and a pump body, a rotating shaft is fixedly arranged at the output end of the motor, the rotating shaft is arranged on a power shaft of the pump body, a supporting shaft is fixedly arranged on one side of a shell of the motor, an annular pipe is fixedly arranged on one side of the supporting shaft, and a magnetic rotor is arranged in the annular pipe. A capillary tube is fixedly embedded in the top end of the annular tube, an alarm mechanism facilitating alarm is arranged at the top end of the capillary tube, an extension tube is fixedly arranged on the inner side of the annular tube, and a first piston block is slidably arranged in the extension tube. When the rotating shaft deviates, the arc-shaped block on one side is extruded, the arc-shaped block extrudes the first piston block, the first piston block moves along the interior of the extension tube, hydraulic oil in the extension tube is injected into the capillary tube, the height of the hydraulic oil in the capillary tube is increased, and the alarm mechanism is triggered. Therefore, the deviation of the inner magnetic rotor in the magnetic drive pump can be known, the magnetic drive pump is prevented from being greatly damaged, and the maintenance cost is reduced.

Description

Technical Field

[0001] The utility model relates to the field of magnetic pump equipment, in particular to a magnetic pump with an internal magnetic rotor deviation monitoring function. Background Art

[0002] Magnetic pump, also known as magnetic drive pump or magnetic centrifugal pump, is a branch of the water pump field. It applies the working principle of permanent magnetic coupling to the centrifugal pump, forming a new type of fluid conveying equipment without leakage and sealing device.

[0003] Due to installation and other problems during use, the inner magnetic rotor of the magnetic pump is prone to deviation, which affects the service life of the magnetic pump. Therefore, it is necessary to monitor the inner magnetic rotor and shut down for repair and maintenance when it deviates to prevent damage to the shaft. Existing equipment does not have monitoring equipment for the inner magnetic rotor, resulting in subsequent maintenance work only being carried out after the equipment has been damaged, increasing maintenance costs. Therefore, a device is urgently needed to solve the above problem. Utility Model Content

[0004] The utility model aims to provide a magnetic pump with an internal magnetic rotor deviation monitoring function to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a magnetic pump with an internal magnetic rotor offset monitoring function, comprising a motor and a pump body, a rotating shaft fixedly arranged at the output end of the motor, the rotating shaft being installed on the power shaft of the pump body, a supporting shaft fixedly arranged at one side of the motor housing, an annular tube fixedly arranged at one side of the supporting shaft, a capillary fixedly arranged at the top of the annular tube, an alarm mechanism for facilitating alarming arranged at the top of the capillary, an extension tube fixedly arranged at the inner side of the annular tube, a first piston block slidingly arranged inside the extension tube, an arc block fixedly arranged at the bottom end of the first piston block, the inner side of the arc block tightly attached to the outer surface of the rotating shaft, a spring fixedly arranged between the extension tube and the arc block, when the rotating shaft is offset during use, the arc block on one side is squeezed at this time, so that the arc block squeezes the first piston block, the first piston block moves along the inside of the extension tube, so that the hydraulic oil inside the extension tube is injected into the inside of the capillary, so that the height of the hydraulic oil inside the capillary increases, so as to trigger the alarm mechanism, thereby knowing the offset of the internal magnetic rotor inside the magnetic pump, preventing the magnetic pump from being further damaged, and reducing the maintenance cost.

[0006] Preferably, the alarm mechanism includes a second piston block, a conductive block, a power cord, a storage battery and a warning light. The second piston block is slidably arranged inside the capillary tube. The conductive block is inlaid and fixed at the top of the second piston block. The power cord is inlaid and fixed outside the capillary tube. The storage battery is fixed on the housing of the motor. The warning light is fixed on the housing of the motor. When hydraulic oil is injected into the capillary tube, it drives the second piston block to move upward, thus driving the conductive block to move upward, so that the conductive block moves to the position between the power cords, making the power cords in a connected state, and thus the warning light is lit for alarm, so that the deviation problem can be detected in time.

[0007] Preferably, there are four support shafts, which are fixedly arranged around the outside of the housing of the motor at equal intervals.

[0008] Preferably, there are four extension tubes, which are fixedly arranged inside the annular tube at equal intervals.

[0009] Preferably, the inner diameter of the capillary tube is smaller than the inner diameter of the extension tube.

[0010] Preferably, the warning light and the storage battery are electrically connected through the power cord and form an open circuit inside the capillary tube. The capillary tube is a vacuum tube.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] When in use, when the rotating shaft deviates, it presses one side of the arc-shaped block at this time, so that the arc-shaped block presses the first piston block. The first piston block moves along the inside of the extension tube, so that the hydraulic oil inside the extension tube is injected into the capillary tube, making the height of the hydraulic oil inside the capillary tube increase. In this way, the alarm mechanism is triggered, and thus it can be known that the inner magnetic rotor inside the magnetic pump deviates, preventing the magnetic pump from being more damaged and reducing the maintenance cost.

[0013] When the hydraulic oil is injected into the capillary tube in the present utility model, it drives the second piston block to move upward, thus driving the conductive block to move upward, so that the conductive block moves to the position between the power cords, making the power cords in a connected state, and thus the warning light is lit for alarm, so that the deviation problem can be detected in time. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic diagram of the overall structure of a magnetic pump with an inner magnetic rotor deviation monitoring function according to the present utility model;

[0015] Figure 2 is a first sectional view of a magnetic pump with an inner magnetic rotor deviation monitoring function according to the present utility model;

[0016] Figure 3 is a second sectional view of a magnetic pump with an inner magnetic rotor deviation monitoring function according to the present utility model;

[0017] Figure 4 This is an enlarged schematic diagram of magnetic pump A with an internal magnetic rotor offset monitoring function according to the present utility model;

[0018] Figure 5 This is an enlarged schematic diagram of magnetic pump B with an internal magnetic rotor offset monitoring function according to the present utility model.

[0019] In the figure: 1, motor; 2, pump body; 3, rotating shaft; 4, support shaft; 5, annular pipe; 6, capillary; 7, extension pipe; 8, arc-shaped block; 9, first piston block; 10, spring; 11, storage battery; 12, warning light; 13, power cord; 14, second piston block; 15, conductive block. Specific embodiments

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0021] Please refer to Figures 1-5 , the present utility model provides a magnetic pump with an internal magnetic rotor offset monitoring function, including a motor 1 and a pump body 2. The output end of the motor 1 is fixed with a rotating shaft 3 through a coupling. The rotating shaft 3 is installed on the power shaft of the pump body 2 through a connecting flange. One side of the housing of the motor 1 is welded and fixed with a support shaft 4. There are four support shafts 4, which are equally spaced and fixed around the outside of the housing of the motor 1. One side of the support shaft 4 is welded and fixed with an annular pipe 5. The top of the annular pipe 5 is inlaid and fixed with a capillary 6. There is an alarm mechanism at the top of the capillary 6 for convenient alarm. The inside of the annular pipe 5 is welded and fixed with an extension pipe 7. There are four extension pipes 7, which are equally spaced and fixed inside the annular pipe 5. A first piston block 9 slides inside the extension pipe 7. The bottom end of the first piston block 9 is welded and fixed with an arc-shaped block 8. The inside of the arc-shaped block 8 is closely attached to the outer surface of the rotating shaft 3. A spring 10 is welded and fixed between the extension pipe 7 and the arc-shaped block 8. The inner diameter of the capillary 6 is smaller than the inner diameter of the extension pipe 7. When in use, when the rotating shaft is offset, at this time, one side of the arc-shaped block 8 is squeezed, so that the arc-shaped block 8 squeezes the first piston block 9. The first piston block 9 moves along the inside of the extension pipe 7, so that the hydraulic oil inside the extension pipe 7 is injected into the capillary 6, so that the height of the hydraulic oil inside the capillary 6 increases. In this way, the alarm mechanism is triggered, and thus it can be known that the internal magnetic rotor of the magnetic pump is offset, preventing the magnetic pump from being more damaged and reducing the maintenance cost.

[0022] The alarm mechanism includes a second piston block 14, a conductive block 15, a power cord 13, a storage battery 11, and a warning light 12. The second piston block 14 slides inside the capillary tube 6. The conductive block 15 is inlaid and fixed at the top of the second piston block 14. The power cord 13 is inlaid and fixed on the outside of the capillary tube 6. The storage battery 11 is fixed on the housing of the motor 1. The warning light 12 is fixed on the housing of the motor 1 by bolts. The warning light 12 and the storage battery 11 are electrically connected through the power cord 13 and form an open circuit inside the capillary tube 6. The capillary tube 6 is a vacuum tube. When hydraulic oil is injected into the capillary tube 6, it drives the second piston block 14 to move upward, thus driving the conductive block 15 to move upward, so that the conductive block 15 moves to the position between the power cords 13, making the power cords 13 in a connected state, thereby causing the warning light 12 to be lit for alarm, and thus the offset problem can be detected in time.

[0023] Working principle: When in use, when the rotating shaft is offset, at this time, it squeezes the arc-shaped block 8 on one side, so that the arc-shaped block 8 squeezes the first piston block 9. The first piston block 9 moves inside the extension tube 7, so that the hydraulic oil inside the extension tube 7 is injected into the capillary tube 6, making the height of the hydraulic oil inside the capillary tube 6 increase. In this way, the alarm mechanism is triggered, and thus it can be known that the inner magnetic rotor inside the magnetic pump is offset, preventing the magnetic pump from being more damaged and reducing the maintenance cost; when the hydraulic oil is injected into the capillary tube 6, it drives the second piston block 14 to move upward, thus driving the conductive block 15 to move upward, so that the conductive block 15 moves to the position between the power cords 13, making the power cords 13 in a connected state, thereby causing the warning light 12 to be lit for alarm, and thus the offset problem can be detected in time.

[0024] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

[0025] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A magnetic pump with an internal magnetic rotor offset monitoring function, comprising a motor (1) and a pump body (2), characterized in that: A rotating shaft (3) is fixedly arranged at the output end of the motor (1). The rotating shaft (3) is installed on the power shaft of the pump body (2). A support shaft (4) is fixedly arranged on one side of the housing of the motor (1). An annular pipe (5) is fixedly arranged on one side of the support shaft (4). A capillary tube (6) is fixedly embedded at the top of the annular pipe (5). An alarm mechanism for facilitating alarm is arranged at the top of the capillary tube (6). An extension tube (7) is fixedly arranged inside the annular pipe (5). A first piston block (9) is slidably arranged inside the extension tube (7). An arc-shaped block (8) is fixedly arranged at the bottom end of the first piston block (9). The inner side of the arc-shaped block (8) is closely attached to the outer surface of the rotating shaft (3). A spring (10) is fixedly arranged between the extension tube (7) and the arc-shaped block (8).

2. The magnetic pump with the function of monitoring the offset of the inner magnetic rotor according to claim 1, wherein: The alarm mechanism includes a second piston block (14), a conductive block (15), a power line (13), a storage battery (11) and a warning light (12). The second piston block (14) is slidably arranged inside the capillary tube (6). The conductive block (15) is fixedly embedded at the top of the second piston block (14). The power line (13) is fixedly embedded on the outer side of the capillary tube (6). The storage battery (11) is fixed on the housing of the motor (1). The warning light (12) is fixed on the housing of the motor (1).

3. The magnetic pump with the function of monitoring the offset of the inner magnetic rotor according to claim 2, wherein: There are four support shafts (4), which are fixedly arranged around the housing of the motor (1) at equal intervals.

4. The magnetic pump with the function of monitoring the offset of the inner magnetic rotor according to claim 3, characterized in that: There are four extension tubes (7), which are fixedly arranged inside the annular pipe (5) at equal intervals.

5. A magnetic pump with an internal magnetic rotor offset monitoring function according to claim 4, characterized in that: The inner diameter of the capillary tube (6) is smaller than the inner diameter of the extension tube (7).

6. The magnetic pump with an internal magnetic rotor offset monitoring function according to claim 5, characterized in that: The warning light (12) and the storage battery (11) are electrically connected through the power line (13), and an open circuit is formed inside the capillary tube (6). The capillary tube (6) is a vacuum tube.

Images