CN113029262B - Electromagnetic flowmeter with good sealing performance and buffer protection - Google Patents
Electromagnetic flowmeter with good sealing performance and buffer protection Download PDFInfo
- Publication number
- CN113029262B CN113029262B CN202110271139.XA CN202110271139A CN113029262B CN 113029262 B CN113029262 B CN 113029262B CN 202110271139 A CN202110271139 A CN 202110271139A CN 113029262 B CN113029262 B CN 113029262B
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- rotor
- sealing performance
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- 238000007789 sealing Methods 0.000 title claims abstract description 20
- 230000001681 protective effect Effects 0.000 claims abstract description 31
- 238000001514 detection method Methods 0.000 claims abstract description 30
- 230000006698 induction Effects 0.000 claims abstract description 15
- 239000011347 resin Substances 0.000 claims abstract description 7
- 229920005989 resin Polymers 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 9
- 230000000670 limiting effect Effects 0.000 abstract description 6
- 230000005389 magnetism Effects 0.000 abstract description 4
- 230000002093 peripheral effect Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 3
- 230000003139 buffering effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/56—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects
- G01F1/58—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/56—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects
- G01F1/58—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
- G01F1/588—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters combined constructions of electrodes, coils or magnetic circuits, accessories therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/14—Casings, e.g. of special material
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The invention discloses an electromagnetic flowmeter with good sealing performance and buffer protection, which comprises a bottom plate, a rotor and a fluxmeter, wherein a carrier plate is provided with a detection assembly, and the detection assembly is electrically connected with the fluxmeter through a lead; the outer side cover of rotor is equipped with the magnetism piece, fixedly connected with support on the support plate, and the top fixedly connected with upper plate of support sets up on the upper plate and installs lifting unit, and last the laying of lifting unit installs buffering subassembly. The device ensures the sealing performance of the coil by adopting the resin material as the protective lining, thereby improving the actual measurement result of the rotor; the lifting of the sliding plate is effectively realized through the rotation of the lifting screw rod and the limiting effect of the bracket, meanwhile, the air cylinder pushes the protective pressure head to be pressed against the top of the rotor, and the protective pressure head is gradually pressed down along with the lifting assembly, so that the magnetic induction line of the rotor passes through the protective pressure head, and the stability is improved; the middle of the lead is wound on the magnetic ring, so that the influence of a peripheral magnetic field on the lead is reduced, and the actual measurement result of the device is improved.
Description
Technical Field
The invention relates to the field of electromagnetism, in particular to an electromagnetic flowmeter with good sealing performance and buffer protection.
Background
The cylinder mechanism of the servo motor is roughly divided into a stator with a winding group and a rotor with magnetism, and the rotor is driven to rotate through electromagnetic induction by coil current in the stator, so that conversion from electric energy to mechanical energy is realized.
A high performance servo motor relies on good magnetic field distribution on the rotor, which usually requires electromagnetic testing of the rotor during the rotor production process to ensure that the magnetic distribution on the rotor is uniform;
however, the existing electromagnetic flowmeter is not enough in tightness in the test process, does not have a buffer function, and is easy to cause damage to the axis of the rotor;
and then provide an electromagnetic flowmeter that leakproofness is good and buffer protection.
Disclosure of Invention
The present invention is directed to an electromagnetic flowmeter with good sealing performance and buffer protection, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
an electromagnetic flowmeter with good sealing performance and buffer protection comprises a bottom plate, a rotor and a magnetic flowmeter, wherein the magnetic flowmeter is fixedly connected to the bottom plate, an upright post is also fixedly connected to the bottom plate, a carrier plate is fixedly connected to the top of the upright post, a detection assembly is arranged on the carrier plate, and the detection assembly is electrically connected with the magnetic flowmeter through a lead;
the magnetic block is sleeved outside the rotor, the support is fixedly connected to the support plate, the top of the support is fixedly connected to the upper plate, the lifting assembly is arranged on the upper plate, and the buffer assembly is arranged on the lifting assembly;
the detection assembly comprises a detection head, an induction coil and a protective lining, wherein the detection head is fixedly connected to the carrier plate, a round hole is formed in the detection head, the induction coil is wound on the side edge of the round hole, the protective lining is filled between the coil and the detection head, the protective lining is made of resin, and a sliding rod is arranged in the round hole; the sliding rod slides in the round hole.
As a further scheme of the invention: the bottom plate is fixedly connected with a sleeve, a thrust spring is arranged in the sleeve, and the sleeve is communicated with the round hole; the sliding rod slides up and down along the sleeve, and the tail end of the sliding rod is abutted against the thrust spring.
As a still further scheme of the invention: the lifting assembly comprises a lifting motor, a lifting screw rod and a sliding plate, the lifting screw rod is rotatably installed between the upper plate and the support plate, the rotating shaft of the lifting motor is fixedly connected with the lifting screw rod, the lifting motor is fixedly connected to the upper plate, the sliding plate is slidably installed on the support, and the sliding plate and the lifting screw rod are installed in a matched mode.
As a still further scheme of the invention: the buffer assembly comprises an air cylinder and a protection pressure head, the air cylinder is fixedly connected to the sliding plate, and the protection pressure head is fixedly connected to a piston rod of the air cylinder; the protective pressure head is made of plastic steel.
As a still further scheme of the invention: fixedly connected with control module on the upper plate, elevator motor and fluxmeter electric connection are on control module.
As a still further scheme of the invention: the bottom plate is fixedly connected with a foot support.
As a still further scheme of the invention: the cylinder is provided with a sensor which is electrically connected to the control module.
As a still further scheme of the invention: the support plate is fixedly connected with a magnetic ring, and the middle part of the lead is wound on the magnetic ring.
Compared with the prior art, the invention has the beneficial effects that: the device has simple structure and strong practicability; the protective lining is made of resin, so that the sealing performance of the coil is ensured, and the actual measurement result of the rotor is improved; the lifting of the sliding plate is effectively realized through the rotation of the lifting screw rod and the limiting effect of the bracket, meanwhile, the air cylinder pushes the protective pressure head to be pressed against the top of the rotor, and the protective pressure head is gradually pressed down along with the lifting assembly, so that the magnetic induction line of the rotor passes through the protective pressure head, and the stability is improved; the middle part of the lead is wound on the magnetic ring, so that the influence of a peripheral magnetic field on the lead is further reduced, and the actual measurement result of the device is improved;
has good application prospect.
Drawings
Fig. 1 is a schematic structural diagram of an electromagnetic flowmeter with good sealing performance and buffer protection.
Fig. 2 is a schematic structural diagram of an induction coil in an electromagnetic flowmeter with good sealing performance and buffer protection.
Fig. 3 is a schematic structural diagram of a top view of a sliding rod in an electromagnetic flowmeter with good sealing performance and buffer protection.
In the figure: the device comprises a base plate 1, a magnetic flowmeter 2, a foot support 3, a magnetic ring 4, a lead 5, a column 6, a sleeve 7, a thrust spring 8, a slide rod 9, a carrier plate 10, a lifting screw rod 11, a support 12, a support 13, an upper plate 14, a control module 15, an air cylinder 16, a sensor 17, a protective pressure head 17, a rotor 18, a detection head 19, an induction coil 20, a protective lining 21, a lifting motor 22 and a sliding plate 24.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
In addition, an element described herein as being "secured to" or "disposed on" another element may be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Example one
Referring to fig. 1-3, an electromagnetic flowmeter with good sealing performance and buffer protection comprises a bottom plate 1, a rotor 18 and a magnetic flowmeter 2; the fluxmeter 2 is fixedly connected to the base plate 1, the base plate 1 is also fixedly connected with the columns 6, the specific number of the columns 6 is not limited, the top of each column 6 is fixedly connected with a carrier plate 10, a detection assembly is arranged on each carrier plate 10, and the detection assembly and the fluxmeter 2 are electrically connected through a lead 5; the electromagnetic flow current transmission of the rotor 18 is further realized through the lead 5; specifically, a magnetic block is sleeved on the outer side of the rotor 18, and magnetic detection is performed on the magnetic block through the detection assembly; specifically, a support 12 is fixedly connected to the support plate 10, an upper plate 13 is fixedly connected to the top of the support 12, a lifting assembly is arranged on the upper plate 13, a buffer assembly is arranged on the lifting assembly, and the rotor 18 is effectively protected by the buffer assembly; specifically, the detection assembly comprises a detection head 19, an induction coil 20 and a protective lining 21, the detection head 19 is fixedly connected to the carrier plate 10, a circular hole is formed in the detection head 19, the induction coil 20 is wound around the side of the circular hole, the protective lining 21 is filled between the coil and the detection head 19, the specific material of the protective lining 21 is not limited, in this embodiment, the protective lining 21 is made of resin, the sealing performance of the coil is further ensured, and the actual measurement result of the rotor 18 is further improved; a sliding rod 9 is arranged in the round hole; the sliding rod 9 can slide in the round hole, in the using process of the device, the rotor 18 is placed on the sliding rod 9, the sliding rod 9 moves downwards along the through hole, the magnetic quick seat on the periphery of the rotor 18 cuts the magnetic induction line, certain current is generated on the coil, the current is transmitted to the fluxmeter 2 through the lead 5, and the magnetism of the rotor 18 is effectively detected through the fluxmeter 2.
Further, a sleeve 7 is fixedly connected to the bottom plate 1, a thrust spring 8 is arranged in the sleeve 7, and the sleeve 7 is communicated with the round hole; the slide bar 9 slides up and down along the sleeve 7, and the tail end of the slide bar 9 is abutted against the thrust spring 8, so that the stability of the slide bar 9 in the sliding process is improved under the action of the thrust spring 8.
Further, the specific mechanism form of the lifting assembly is not limited, and in this embodiment, the lifting assembly includes a lifting motor 22, a lifting screw 11 and a sliding plate 24, the lifting screw 11 is rotatably installed between the upper plate 13 and the carrier plate 10, a rotating shaft of the lifting motor 22 is fixedly connected with the lifting screw 11, the lifting motor 22 is fixedly connected to the upper plate 13, and the lifting screw 11 is driven to rotate by the lifting motor 22; the sliding plate 24 is slidably mounted on the bracket 12, the sliding plate 24 and the lifting screw rod 11 are installed in a matched manner, the lifting screw rod 11 is further driven to rotate through the rotation of the lifting screw rod 11, and the lifting of the sliding plate 24 is effectively realized through the limiting effect of the bracket 12; the cushioning assembly is arranged to be mounted on a skid plate 24.
Specifically, the buffer assembly comprises an air cylinder 15 and a protective pressure head 17, wherein the air cylinder 15 is fixedly connected to a sliding plate 24, and the protective pressure head 17 is fixedly connected to a piston rod of the air cylinder 15; in the using process of the device, the rotor 18 is placed on the sliding rod 9, the air cylinder 15 pushes the protective pressure head 17 to be abutted to the top of the rotor 18, and the protective pressure head is gradually pressed down along with the lifting assembly, so that the magnetic induction line of the rotor 18 passes through; the specific material of the protection pressure head 17 is not limited, and in order to avoid gouging on the surface of the rotor 18, the protection pressure head 17 is made of plastic steel.
Specifically, the control module 14 is fixedly connected to the upper plate 13, and the lifting motor 22 and the magnetic flowmeter 2 are electrically connected to the control module 14; the operation of the magnetic flowmeter 2 of the lifting motor 22 is further regulated and controlled by the control module 14.
Specifically, the bottom plate 1 is fixedly connected with the foot support 3, and the stability of the device in the using process is further improved through the foot support 3.
Wherein, a sensor 16 is arranged on the cylinder 15, and the sensor 16 is used for further detecting whether the cylinder 15 is in place; and the sensor 16 is electrically connected to the control module 14.
Example two
The present embodiment is improved based on the above embodiments as follows:
wherein, the wires 5 are easy to generate mutual magnetic field interference during power transmission, which leads to inaccurate measurement; and a magnetic ring 4 is fixedly connected to the carrier plate 10, and the middle part of the lead 5 is wound on the magnetic ring 4, so that the influence of the peripheral magnetic field on the lead 5 is further reduced, and the actual measurement result of the device is improved.
The working principle of the invention is as follows: in the use process of the device, the protective lining 21 is made of resin, so that the sealing performance of the coil is ensured, and the actual measurement result of the rotor 18 is improved; the rotor 18 is placed on the sliding rod 9, the sliding rod 9 moves downwards along the through hole, the magnetic induction lines are cut by the magnetic quick seats at the periphery of the rotating shaft, a certain current is generated on the coil, the current is transmitted to the fluxmeter 2 through the conducting wire 5, and effective detection of the magnetism of the rotor 18 is carried out through the fluxmeter 2; through the rotation of the lifting screw rod 11 and the limiting effect of the bracket 12, the lifting of the sliding plate 24 is effectively realized, meanwhile, the cylinder 15 pushes the protective pressure head 17 to be pressed against the top of the rotor 18, and the protective pressure head gradually presses down along with the lifting assembly, so that the magnetic induction line of the rotor 18 passes through, and the stability is improved; the middle of the lead 5 is wound on the magnetic ring 4, so that the influence of a peripheral magnetic field on the lead 5 is further reduced, and the actual measurement result of the device is improved.
It should be noted that, in the present technical solution, the fluxmeter is an application of the prior art; the detection device comprises a detection head, an induction coil and a protective lining, wherein the protective lining is filled between the coil and the detection head and is made of resin, a sliding rod is arranged in a circular hole, and the sliding rod slides in the circular hole; the support plate is fixedly connected with a magnetic ring, and the middle part of the lead is wound on the magnetic ring, which is the innovation point of the device.
The foregoing is merely illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary. But all changes which come within the scope of the invention are intended to be embraced therein.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Claims (6)
1. The electromagnetic flow meter with good sealing performance and buffer protection comprises a bottom plate (1), a rotor (18) and a magnetic flowmeter (2), and is characterized in that the magnetic flowmeter (2) is fixedly connected to the bottom plate (1), a stand column (6) is also fixedly connected to the bottom plate (1), a carrier plate (10) is fixedly connected to the top of the stand column (6), a detection assembly is arranged on the carrier plate (10), and the detection assembly and the magnetic flowmeter (2) are electrically connected through a lead (5);
the magnetic block is sleeved on the outer side of the rotor (18), the support plate (10) is fixedly connected with a support (12), the top of the support (12) is fixedly connected with an upper plate (13), a lifting assembly is arranged on the upper plate (13), and a buffer assembly is arranged on the lifting assembly;
the detection assembly comprises a detection head (19), an induction coil (20) and a protective lining (21), the detection head (19) is fixedly connected to the carrier plate (10), a round hole is formed in the detection head (19), the induction coil (20) is wound on the side of the round hole, the protective lining (21) is filled between the coil and the detection head (19), the protective lining (21) is made of resin, and a sliding rod (9) is arranged in the round hole; the sliding rod (9) slides in the round hole;
the lifting assembly comprises a lifting motor (22), a lifting screw rod (11) and a sliding plate (24), the lifting screw rod (11) is rotatably installed between the upper plate (13) and the carrier plate (10), a rotating shaft of the lifting motor (22) is fixedly connected with the lifting screw rod (11), the lifting motor (22) is fixedly connected to the upper plate (13), the sliding plate (24) is slidably installed on the support (12), and the sliding plate (24) and the lifting screw rod (11) are installed in a matched mode;
the buffer assembly comprises an air cylinder (15) and a protection pressure head (17), the air cylinder (15) is fixedly connected to the sliding plate (24), and the protection pressure head (17) is fixedly connected to a piston rod of the air cylinder (15); the protective pressure head (17) is made of plastic steel.
2. The electromagnetic flowmeter with good sealing performance and buffer protection as claimed in claim 1, wherein a sleeve (7) is fixedly connected to the bottom plate (1), a thrust spring (8) is arranged in the sleeve (7), and the sleeve (7) is communicated with the round hole; the sliding rod (9) slides up and down along the sleeve (7), and the tail end of the sliding rod (9) is abutted against the thrust spring (8).
3. The electromagnetic flowmeter with good sealing performance and buffer protection as claimed in claim 1, wherein the control module (14) is fixedly connected to the upper plate (13), and the lifting motor (22) and the magnetic flowmeter (2) are electrically connected to the control module (14).
4. The electromagnetic flowmeter with good sealing performance and buffer protection as claimed in claim 1, wherein the bottom plate (1) is fixedly connected with a foot support (3).
5. The electromagnetic flowmeter with good sealing performance and buffer protection as claimed in claim 1, characterized in that the cylinder (15) is provided with a sensor (16) and the sensor (16) is electrically connected to the control module (14).
6. The electromagnetic flowmeter with good sealing performance and buffer protection as claimed in any one of claims 1-5, wherein the carrier plate (10) is fixedly connected with a magnetic ring (4), and the middle of the lead (5) is wound on the magnetic ring (4).
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CN202110271139.XA CN113029262B (en) | 2021-03-12 | 2021-03-12 | Electromagnetic flowmeter with good sealing performance and buffer protection |
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CN202110271139.XA CN113029262B (en) | 2021-03-12 | 2021-03-12 | Electromagnetic flowmeter with good sealing performance and buffer protection |
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CN113029262B true CN113029262B (en) | 2022-06-14 |
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CN117233672B (en) * | 2023-11-10 | 2024-02-09 | 上海芬能自动化技术股份有限公司 | New forms of energy motor rotor table magnetism check out test set |
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