CN216593695U - Calibration device for electromagnetic flowmeter - Google Patents
Calibration device for electromagnetic flowmeter Download PDFInfo
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- CN216593695U CN216593695U CN202123191529.0U CN202123191529U CN216593695U CN 216593695 U CN216593695 U CN 216593695U CN 202123191529 U CN202123191529 U CN 202123191529U CN 216593695 U CN216593695 U CN 216593695U
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- electromagnetic flowmeter
- connecting pipe
- guide rail
- calibration
- fixedly connected
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Abstract
The utility model discloses a calibration device for an electromagnetic flowmeter, which comprises a calibration connecting pipe, wherein a motor base is fixedly connected with the front end of the top of the outer surface of the calibration connecting pipe, a positive and negative motor is fixedly sleeved inside the motor base, the output end of the positive and negative motor is fixedly connected with a transmission gear, a front guide rail piece and a rear guide rail piece are fixedly sleeved in the middle of the outer surface of the calibration connecting pipe, and a transmission gear ring is movably sleeved in a groove in the top of the front guide rail piece. The utility model can synchronously screw or unscrew all the fastening screws, thereby improving the efficiency of mounting and dismounting between the electromagnetic flowmeter and the calibration connecting pipe, realizing semi-automatic operation of mounting or dismounting, improving the application range of the device, enabling a user to align only a threaded hole on the electromagnetic flowmeter flange and one end of the fastening screw with a threaded hole of the special-shaped nut, and realizing fastening and mounting by controlling the fastening screw through the positive and negative motors, and having extremely simple and convenient operation and smaller labor intensity.
Description
Technical Field
The utility model relates to the technical field of flowmeter production, in particular to a calibration device for an electromagnetic flowmeter.
Background
The direct measurement method, also known as the real flow calibration method, is a method in which the actual fluid flows through the meter to be calibrated, and then another standard device (standard flowmeter or standard flow meter) measures the flow of the fluid flowing through the meter to be calibrated, and compares the measured flow with the flow value of the meter to be calibrated, which is known as the wet calibration method. The flow value obtained by the real-time calibration method is reliable and accurate, is adopted by many current flow meters, and is used as a method for establishing standard flow.
In the prior art, the calibration device of the existing partial electromagnetic flowmeter is used for fixedly connecting the electromagnetic flowmeter to be calibrated by using a flange plate matched with a plurality of nuts in the using process, and the bolts need to be screwed or unscrewed repeatedly during installation and disassembly, so that the operation is troublesome, the installation or disassembly efficiency is low, the workload is high, and the labor intensity of workers is high.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a calibration device for an electromagnetic flowmeter, so as to solve the problems in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a calibration device for electromagnetic flowmeter, is including maring the connecting pipe, the front end fixedly connected with motor cabinet at mark connecting pipe surface top, the fixed cover in inside of motor cabinet has connect positive and negative motor, the output fixedly connected with drive gear of positive and negative motor, the fixed cover in the centre department of maring the connecting pipe surface has connect preceding guide rail piece and back guide rail piece, the transmission ring gear has been cup jointed in the recess internalization at preceding guide rail piece top, the flank of tooth of transmission ring gear surface meshes with drive gear's flank of tooth mutually.
The front side of the rear guide rail piece is connected with a fastening screw in a threaded manner, the middle part and the front end of the outer surface of the fastening screw are respectively and fixedly connected with a limiting piece and a flat gear, the tooth surface of the flat gear is meshed with the tooth surface of the inner wall of the transmission gear ring, the rear end of the outer surface of the calibration connecting pipe is fixedly sleeved with a flange plate, the front side of the flange plate is fixedly connected with a threaded sleeve, the front end of the threaded sleeve is in threaded connection with the rear end of the fastening screw, the outer surface of the flange plate is fixedly connected with a supporting arm, the middle part of the rear side of the supporting arm is provided with a limiting groove, and a special-shaped nut is clamped inside the limiting groove.
Preferably, the rear side of the interior of the transmission gear ring is movably sleeved in a groove in the top of the rear guide rail piece.
Preferably, the front end of the calibration connecting pipe is fixedly connected with a calibrator.
Preferably, the input end of the positive and negative motor is electrically connected with the output end of an external power supply through a lead.
Preferably, the support arms are uniformly arranged on the outer surface of the flange plate, and the length of each support arm is twice of the thickness of the flange plate.
Preferably, the threaded hole in the outer surface of the special-shaped nut is coaxial with the fastening screw, and the rear end of the fastening screw penetrates through the interior of the threaded sleeve and the rear side of the flange plate in sequence and extends to the rear of the flange plate.
The utility model has the technical effects and advantages that:
(1) according to the utility model, the transmission gear ring and the flat gear are matched with the transmission gear and the like, and all fastening screws can be synchronously screwed or unscrewed, so that the mounting and dismounting efficiency between the electromagnetic flowmeter and the calibration connecting pipe is improved, the semi-automatic mounting or dismounting operation is realized, and the application range of the device is enlarged;
(2) according to the electromagnetic flowmeter, the fastening screw, the supporting arm, the special-shaped nut and the like are matched for use, a user only needs to align the threaded hole in the electromagnetic flowmeter flange and one end of the fastening screw with the threaded hole of the special-shaped nut, and then the fastening screw is controlled by the positive and negative motors to realize fastening and installation, so that the electromagnetic flowmeter is extremely simple and convenient to operate, and is low in labor intensity.
Drawings
FIG. 1 is a partial schematic view of the present invention;
FIG. 2 is a schematic cross-sectional view of a portion of the present invention;
fig. 3 is a partial rear view structure diagram of the present invention.
In the figure: 1. calibrating a connecting pipe; 2. a motor base; 3. a positive and negative motor; 4. a transmission gear; 5. a front guide rail sheet; 6. a rear rail piece; 7. a transmission gear ring; 8. fastening a screw rod; 9. a limiting sheet; 10. a flat gear; 11. a flange plate; 12. a threaded bushing; 13. a support arm; 14. a limiting groove; 15. a special-shaped screw cap.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides a calibration device for an electromagnetic flowmeter as shown in figures 1-3, which comprises a calibration connecting pipe 1, wherein the front end of the calibration connecting pipe 1 is fixedly connected with a calibrator, the front end of the top of the outer surface of the calibration connecting pipe 1 is fixedly connected with a motor base 2, a positive and negative motor 3 is fixedly sleeved inside the motor base 2, the input end of the positive and negative motor 3 is electrically connected with the output end of an external power supply through a lead, the output end of the positive and negative motor 3 is fixedly connected with a transmission gear 4, the middle of the outer surface of the calibration connecting pipe 1 is fixedly sleeved with a front guide rail piece 5 and a rear guide rail piece 6, a transmission gear ring 7 is movably sleeved in a groove at the top of the front guide rail piece 5, the rear side inside of the transmission gear ring 7 is movably sleeved in a groove at the top of the rear guide rail piece 6, and the gear surface of the transmission gear ring 7 is meshed with the gear surface of the transmission gear 4.
As shown in fig. 2, the front side of the rear guide rail piece 6 is connected with a fastening screw 8 in a threaded manner, the middle part and the front end of the outer surface of the fastening screw 8 are respectively and fixedly connected with a limiting piece 9 and a flat gear 10, the tooth surface of the flat gear 10 is meshed with the tooth surface of the inner wall of the transmission gear ring 7, the rear end of the outer surface of the calibration connecting pipe 1 is fixedly sleeved with a flange plate 11, the front side of the flange plate 11 is fixedly connected with a threaded sleeve 12, the front end of the threaded sleeve 12 is in threaded connection with the rear end of the fastening screw 8, and all the fastening screws 8 can be synchronously screwed or unscrewed, so that the mounting and dismounting efficiency between the electromagnetic flowmeter and the calibration connecting pipe 1 is improved, the semi-automatic mounting or dismounting operation is realized, and the application range of the device is improved.
As shown in fig. 3, the outer fixed surface of flange plate 11 is connected with support arm 13, support arm 13 align to grid is at the surface of flange plate 11, and the length of support arm 13 is 3 times of flange plate 11 thickness, spacing groove 14 has been seted up to the centre department of support arm 13 rear side, spacing groove 14's inside joint has special-shaped nut 15, the screw hole and the fastening screw 8 coaxial line of special-shaped nut 15 surface, fastening screw 8's rear end runs through threaded sleeve 12's inside and flange plate 11's rear side in proper order and extends to the rear of flange plate 11, the user only needs to align the screw hole on the electromagnetic flowmeter flange and fastening screw 8's one end with special-shaped nut 15's screw, the fastening screw 8 realization fastening installation is controlled through positive and negative motor 3 to the rethread, the operation is very simple and convenient, and labor intensity is less.
The working principle of the utility model is as follows: the user aligns and pastes the flanges of the output end and the input end of the electromagnetic flowmeter with the flange plate 11 at first, and aligns the screw hole on the outer surface of the flange plate with the screw hole on the outer surface of the flange plate 11, then clamps the top end of the special-shaped screw cap 15 in the limiting groove 14, then starts the output end of the positive and negative motor 3 to rotate forward, the power of the output end drives the fastening screw 8 to rotate forward through the transmission of the transmission gear and the transmission gear ring 7 and the flat gear 10, the fastening screw 8 moves to the rear side while rotating, and passes through the inside of the threaded sleeve 12 and the rear side of the flange plate 11 and the inside of the flange at one end of the electromagnetic flowmeter in sequence, and is in threaded connection with the special-shaped screw cap 15 until the rear side of the limiting piece 9 in the middle of the outer surface of the fastening screw 8 is lapped with the front side of the threaded sleeve 12, at this moment, the installation can be completed by closing the positive and negative motor 3, when the disassembly, the above operations are reversed.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "secured" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integral to; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The standard parts used by the utility model can be purchased from the market, and the special-shaped parts can be customized according to the description and the description of the attached drawings.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The calibration device for the electromagnetic flowmeter comprises a calibration connecting pipe (1) and is characterized in that a motor base (2) is fixedly connected to the front end of the top of the outer surface of the calibration connecting pipe (1), a positive and negative motor (3) is fixedly sleeved inside the motor base (2), a transmission gear (4) is fixedly connected to the output end of the positive and negative motor (3), a front guide rail piece (5) and a rear guide rail piece (6) are fixedly sleeved at the middle of the outer surface of the calibration connecting pipe (1), a transmission gear ring (7) is movably sleeved in a groove in the top of the front guide rail piece (5), and the tooth surface of the outer surface of the transmission gear ring (7) is meshed with the tooth surface of the transmission gear (4);
the front side of the rear guide rail piece (6) is connected with a fastening screw (8) in a threaded manner, the middle and the front end of the outer surface of the fastening screw (8) are respectively and fixedly connected with a limiting piece (9) and a flat gear (10), the tooth surface of the flat gear (10) is meshed with the tooth surface of the inner wall of a transmission gear ring (7), a flange plate (11) is fixedly sleeved at the rear end of the outer surface of the calibration connecting pipe (1), a threaded sleeve (12) is fixedly connected with the front side of the flange plate (11), the front end of the threaded sleeve (12) is in threaded connection with the rear end of the fastening screw (8), a supporting arm (13) is fixedly connected with the outer surface of the flange plate (11), a limiting groove (14) is formed in the middle of the rear side of the supporting arm (13), and a special-shaped nut (15) is clamped inside the limiting groove (14).
2. The calibrating device for the electromagnetic flowmeter as set forth in claim 1, wherein the rear side of the inside of the driving gear ring (7) is movably sleeved in a groove at the top of the rear guide rail piece (6).
3. The calibrating device for the electromagnetic flowmeter as set forth in claim 1, wherein the front end of the calibrating connecting pipe (1) is fixedly connected with a calibrator.
4. The calibrating device for the electromagnetic flowmeter as set forth in claim 1, wherein the input end of the positive and negative motor (3) is electrically connected with the output end of an external power supply through a lead.
5. A calibration arrangement for an electromagnetic flowmeter according to claim 1, wherein the support arms (13) are arranged uniformly on the outer surface of the flange (11), and the length of the support arms (13) is 3 times the thickness of the flange (11).
6. The calibrating device for the electromagnetic flowmeter is characterized in that the threaded hole on the outer surface of the special-shaped nut (15) is coaxial with the fastening screw rod (8), and the rear end of the fastening screw rod (8) penetrates through the inner part of the threaded sleeve (12) and the rear side of the flange plate (11) in sequence and extends to the rear of the flange plate (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123191529.0U CN216593695U (en) | 2021-12-18 | 2021-12-18 | Calibration device for electromagnetic flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123191529.0U CN216593695U (en) | 2021-12-18 | 2021-12-18 | Calibration device for electromagnetic flowmeter |
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| Publication Number | Publication Date |
|---|---|
| CN216593695U true CN216593695U (en) | 2022-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123191529.0U Active CN216593695U (en) | 2021-12-18 | 2021-12-18 | Calibration device for electromagnetic flowmeter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115615524A (en) * | 2022-11-21 | 2023-01-17 | 江苏华尔威科技集团有限公司 | Split type electromagnetic flowmeter reliability test equipment |
-
2021
- 2021-12-18 CN CN202123191529.0U patent/CN216593695U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115615524A (en) * | 2022-11-21 | 2023-01-17 | 江苏华尔威科技集团有限公司 | Split type electromagnetic flowmeter reliability test equipment |
| CN115615524B (en) * | 2022-11-21 | 2023-11-21 | 江苏华尔威科技集团有限公司 | Split type electromagnetic flowmeter reliability test equipment |
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