Liquid metal transmission electromagnetic pump with easy replacement of internal parts

By designing a liquid metal transmission electromagnetic pump that is easy to disassemble and replace, the problem of low replacement efficiency of iron core and other parts in the prior art is solved, and a more efficient maintenance and replacement process is achieved.

CN110768508BActive Publication Date: 2025-04-11SHIJIAZHUANG IDEA ELECTRIC
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Patent Information

Application Number
CN201911008296.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2019-10-22
Publication Date
2025-04-11
Estimated Expiration
2039-10-22

AI Technical Summary

Technical Problem

In existing electromagnetic pumps, iron core and other parts are prone to damage after long-term use, and the disassembly and replacement efficiency of internal parts is low, which increases the workload of workers.

Method used

A liquid metal transmission electromagnetic pump is designed. By disassembly and separate the first electromagnetic pump body and the second electromagnetic pump body, the ring housing is taken out from the inside of the arc groove, and the arc clamping plate and spring are used to achieve stable clamping and convenient replacement of the ring housing.

Benefits of technology

Through this design, the worker's disassembly workload is reduced, the efficiency of replacement of iron cores and other parts is improved, and the maintenance efficiency of electromagnetic pumps is significantly improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a liquid metal transmission electromagnetic pump that is convenient for replacing internal parts, and relates to the technical field of electromagnetic pumps. The liquid metal transmission electromagnetic pump that is convenient for replacing internal parts comprises a first electromagnetic pump body and a second electromagnetic pump body, and the top and bottom of the first electromagnetic pump body and the second electromagnetic pump body are both welded with reinforcing plates near one side edge. When replacing damaged parts such as an iron core, the liquid metal transmission electromagnetic pump that is convenient for replacing internal parts can separate the first electromagnetic pump body and the second electromagnetic pump body by disassembling the screws, thereby exposing the annular outer shell, and by moving four arc-shaped clamping plates to compress the spring, so that the annular outer shell can be better taken out from the inside of the four arc-shaped clamping plates, which can better reduce the large amount of disassembly workload of the workers in use, and effectively improve the efficiency of the workers in replacing the iron core and other parts.
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Description

Technical Field

[0001] The invention relates to the technical field of electromagnetic pumps, in particular to a liquid metal transmission electromagnetic pump with convenient internal parts replacement. Background Art

[0002] At present, electromagnetic pumps are mostly used for the transmission of liquid metal. Electromagnetic pumps can be divided into conductive electromagnetic pumps and inductive electromagnetic pumps. Among them, conductive electromagnetic pumps are further divided into DC electromagnetic pumps and single-phase AC conductive pumps, and inductive electromagnetic pumps are divided into single-phase inductive and three-phase inductive electromagnetic pumps. Among them, three-phase inductive electromagnetic pumps include planar inductive and double-sided inductive or multi-sided inductive electromagnetic pumps. The stator core and stator coil of the three-phase inductive electromagnetic pump are linear motor stator structures. When the electromagnetic pump is used, however, in the prior art, the iron core and other parts inside the electromagnetic pump will be damaged during long-term use, so that the iron core and other parts need to be replaced. However, the existing iron core and other parts are directly fixed inside the electromagnetic pump, so it is extremely difficult to disassemble them, which will greatly increase the disassembly workload of the workers and affect the efficiency of the workers in replacing the iron core and other parts. Summary of the invention

[0003] In view of the shortcomings of the prior art, the present invention provides a liquid metal transmission electromagnetic pump that is easy to replace internal parts. By disassembling and separating the first electromagnetic pump body and the second electromagnetic pump body, and removing the annular outer shell from the inside of the arc groove, the workers' replacement efficiency of parts such as the iron core can be effectively improved.

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: a liquid metal transmission electromagnetic pump that is easy to replace internal parts, including a first electromagnetic pump body and a second electromagnetic pump body, the top and bottom of the first electromagnetic pump body and the second electromagnetic pump body are welded with reinforcement plates near one side edge, and the outer surface of one side of the reinforcement plate has at least two threaded holes, a sealing gasket is attached to the connection between the first electromagnetic pump body and the second electromagnetic pump body, the inner wall of the threaded hole is threadedly connected with a screw, and the screw passes through the sealing gasket, and the inner wall of the first electromagnetic pump body and the second electromagnetic pump body are welded with arc blocks.

[0005] Preferably, an arc-shaped groove is provided on an outer surface of one side of the arc-shaped block.

[0006] Preferably, a plurality of springs are welded at equal distances on the inner walls on both sides of the arc-shaped groove.

[0007] Preferably, the plurality of springs are divided into four groups, and an arc-shaped clamping plate is welded between one ends of the plurality of springs in each group.

[0008] Preferably, there are four arc-shaped clamping plates in total, and a circular outer shell is clamped and fixed between the inner surfaces of the four arc-shaped clamping plates, the inner surface wall of the circular outer shell is provided with an iron core, a coil is fixed to the inner inner surface wall of the iron core, the inner surface wall of the coil is provided with a coil protective material, the inner surface wall of the coil protective material is provided with mica paper, the inner surface wall of the mica paper is provided with a dry vibration material anti-leakage layer, the inner surface wall of the dry vibration material anti-leakage layer is fixed with a ceramic fiber thermal insulation layer, the inner surface wall of the ceramic fiber thermal insulation layer is fixed with a silicon nitride tube, and a medium channel is opened inside the silicon nitride tube.

[0009] Preferably, the outer surfaces of the plurality of springs are sleeved with a rubber tube, one end of the rubber tube is adhered to the inner surface wall of the arc groove, and the other end of the rubber tube is adhered to the outer surface of the arc clamping plate.

[0010] The present invention provides a liquid metal transmission electromagnetic pump that is convenient for replacing internal parts. It has the following beneficial effects:

[0011] The liquid metal transmission electromagnetic pump, which is easy to replace internal parts, can replace damaged parts such as the iron core by removing the screws to separate the first electromagnetic pump body and the second electromagnetic pump body, thereby exposing the annular outer shell, and by moving the four arc-shaped clamping plates to compress the spring, so that the annular outer shell can be better taken out from the inside of the four arc-shaped clamping plates. In use, the large amount of disassembly workload of the workers can be better reduced, and the efficiency of the workers in replacing parts such as the iron core is effectively improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a front cross-sectional view of the present invention;

[0013] Figure 2 It is a left sectional view of a first electromagnetic pump body of the present invention;

[0014] Figure 3 For the present invention Figure 2 Enlarged cross-sectional view of part A in the middle.

[0015] In the figure: 1. first electromagnetic pump body; 2. annular outer shell; 201. iron core; 202. coil; 203. coil protection material; 204. mica paper; 205. dry vibration material anti-leakage layer; 206. ceramic fiber insulation layer; 207. silicon nitride tube; 208. medium channel; 3. arc block; 4. screw; 5. sealing gasket; 6. reinforcement plate; 7. threaded hole; 8. second electromagnetic pump body; 9. arc clamping plate; 10. arc groove; 11. spring; 12. rubber tube. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0017] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0018] See also Figure 1-3 The present invention provides a technical solution: a liquid metal transmission electromagnetic pump that is easy to replace internal parts, including a first electromagnetic pump body 1 and a second electromagnetic pump body 8. The top and bottom of the first electromagnetic pump body 1 and the second electromagnetic pump body 8 are welded with a reinforcing plate 6 near the edge of one side. The reinforcing plate 6 can better connect and fix the first electromagnetic pump body 1 and the second electromagnetic pump body 8 in use. At least two threaded holes 7 are provided on the outer surface of one side of the reinforcing plate 6. A sealing gasket 5 is attached to the connection between the first electromagnetic pump body 1 and the second electromagnetic pump body 8. The sealing gasket 5 can better seal the connection between the first electromagnetic pump body 1 and the second electromagnetic pump body 8 and better prevent leakage. The inner surface wall of the threaded hole 7 is threadedly connected with a screw 4, and the screw 4 The sealing gasket 5 is penetrated, and the threaded hole 7 is penetrated by the screw 4, so that the first electromagnetic pump body 1 and the second electromagnetic pump body 8 can be better connected and fixed stably. The inner walls of the first electromagnetic pump body 1 and the second electromagnetic pump body 8 are welded with arc blocks 3. When the damaged annular shell 2 is replaced, the screw 4 is disassembled to separate the first electromagnetic pump body 1 and the second electromagnetic pump body 8, so that the annular shell 2 is exposed, and the four arc-shaped clamping plates 9 are moved to compress the spring 11, so that the annular shell 2 can be better taken out from the inside of the four arc-shaped clamping plates 9. In use, the large amount of disassembly workload of the workers can be better reduced, and the efficiency of the workers in replacing the annular shell 2 is effectively improved.

[0019] An arc groove 10 is provided on the outer surface of one side of the arc block 3, and the arc groove 10 is provided so as to better fix the position of the spring 11. Multiple springs 11 are welded equidistantly on the inner surface walls on both sides of the arc groove 10. Through the elastic force of multiple springs 11, the arc clamping plate 9 can better clamp and fix the annular housing 2 stably, which is convenient for use. The multiple springs 11 are divided into four groups, and an arc clamping plate 9 is welded between one end of each group of multiple springs 11. There are four arc clamping plates 9 in total, and the inner surface walls of the four arc clamping plates 9 are clamped The circular outer shell 2 is fixed thereto. When the circular outer shell 2 is placed inside the four arc-shaped clamping plates 9, the multiple springs 11 are compressed. Through the restoring force of the multiple springs 11, the four arc-shaped clamping plates 9 can better fix the circular outer shell 2 stably, which is convenient for use. The inner surface wall of the circular outer shell 2 is provided with an iron core 201. The inner diameter of the iron core 201 is 370mm and the outer diameter is 430mm. The inner surface wall of the iron core 201 is fixed with a coil 202. The inner diameter of the coil 202 is 237mm and the outer diameter is 360mm. The coil 20 The inner surface wall of the coil protection material 203 is provided with a coil protection material 203, the inner diameter of the coil protection material 203 is 227mm, and the outer diameter is 237mm. The inner surface wall of the coil protection material 203 is provided with a mica paper 204, and the mica paper 204 is 1mm thick. The inner surface wall of the mica paper 204 is provided with a dry vibration material anti-leakage layer 205, and the inner diameter of the dry vibration material anti-leakage layer 205 is 166mm and the outer diameter is 225mm. The inner surface wall of the dry vibration material anti-leakage layer 205 is fixed with a ceramic fiber insulation layer 206, and the ceramic fiber insulation layer 206 has an inner diameter of 146mm and an outer diameter of 166mm. A silicon nitride tube 207 is fixed to the inner wall of the fiber insulation layer 206. The inner diameter of the silicon nitride tube 207 is 110 mm and the outer diameter is 146 mm. A medium channel 208 is opened inside the silicon nitride tube 207. Some parts inside the annular shell 2 are existing technologies and are not described in detail here. The outer surfaces of multiple springs 11 are all sleeved with rubber tubes 12, and one end of the rubber tube 12 is adhered to the inner wall of the arc groove 10, and the other end of the rubber tube 12 is adhered to the outer surface of the arc clamping plate 9. The rubber tube 12 can better protect the spring 11.

[0020] During use, when replacing damaged parts such as the iron core 201, the screws 4 are removed to separate the first electromagnetic pump body 1 and the second electromagnetic pump body 8, thereby exposing the annular shell 2, and the four arc-shaped clamping plates 9 are moved to compress the spring 11, so that the annular shell 2 can be better removed from the inside of the four arc-shaped clamping plates 9. In use, the large amount of disassembly workload of the workers can be better reduced, and the efficiency of the workers in replacing parts such as the iron core 201 is effectively improved.

[0021] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A liquid metal transmission electromagnetic pump with convenient internal parts replacement, comprising a first electromagnetic pump body (1) and a second electromagnetic pump body (8), characterized in that: A reinforcing plate (6) is welded to the top and bottom of the first electromagnetic pump body (1) and the second electromagnetic pump body (8) near one side edge, and at least two threaded holes (7) are provided on the outer surface of one side of the reinforcing plate (6); a sealing gasket (5) is attached to the connection between the first electromagnetic pump body (1) and the second electromagnetic pump body (8), a screw (4) is threadedly connected to the inner wall of the threaded hole (7), and the screw (4) passes through the sealing gasket (5); and an arc block (3) is welded to the inner wall of the first electromagnetic pump body (1) and the second electromagnetic pump body (8); An arc-shaped groove (10) is formed on one outer surface of the arc-shaped block (3); Multiple springs (11) are welded at equal distances on the inner surface walls on both sides of the arc-shaped groove (10); The plurality of springs (11) are divided into four groups, and an arc-shaped clamping plate (9) is welded between one end of each group of the plurality of springs (11); A total of four arc-shaped clamping plates (9) are provided, and a circular outer shell (2) is clamped and fixed between the inner surface walls of the four arc-shaped clamping plates (9); an iron core (201) is provided on the inner surface wall of the circular outer shell (2); a coil (202) is fixed on the inner surface wall of the iron core (201); a coil protection material (203) is provided on the inner surface wall of the coil (202); mica paper (204) is provided on the inner surface wall of the coil protection material (203); a dry vibration material anti-leakage layer (205) is provided on the inner surface wall of the mica paper (204); a ceramic fiber thermal insulation layer (206) is fixed on the inner surface wall of the dry vibration material anti-leakage layer (205); a silicon nitride tube (207) is fixed on the inner surface wall of the ceramic fiber thermal insulation layer (206); a medium channel (208) is provided inside the silicon nitride tube (207); The outer surfaces of the plurality of springs (11) are all covered with rubber tubes (12), one end of the rubber tubes (12) is adhered to the inner surface wall of the arc groove (10), and the other end of the rubber tubes (12) is adhered to the outer surface of the arc clamping plate (9).

Citation Information

Patent Citations

  • Liquid metal transmission electromagnetic pump with internal parts convenient to replace

    CN210490707U