CN219830044U - Electromagnetic flowmeter debugging gauge - Google Patents

Abstract

The utility model provides an electromagnetic flowmeter debugging gauge which comprises a left connecting seat, a left displacement seat, a double-threaded screw rod, a positioning base and a detecting electromagnetic flowmeter.

Description

An electromagnetic flowmeter debugging and inspection tool

Technical field

The utility model is an electromagnetic flowmeter debugging and inspection tool, which belongs to the technical field of electromagnetic flowmeters.

Background technique

The electromagnetic flowmeter is an instrument that applies the principle of electromagnetic induction to measure the flow of conductive fluid based on the electromotive force induced when the conductive fluid passes through an external magnetic field. After the production of the electromagnetic flowmeter is completed, its accuracy needs to be sampled and debugged. At this time, it is necessary Use the corresponding debugging inspection tools.

Chinese Patent No. CN206804117U proposes a flow meter calibration device. Although the first flow pipe and the second flow pipe can be easily connected through the docking pipes, the first liquid flow meter and the second liquid flow meter can be connected to each other. Calibration, but the first liquid flow meter in the calibration device is inconvenient to disassemble and assemble, resulting in low detection efficiency during actual use. There is an urgent need for an electromagnetic flowmeter debugging and inspection tool to solve the above problems.

Utility model content

In view of the shortcomings of the existing technology, the purpose of this utility model is to provide an electromagnetic flowmeter debugging and inspection tool to solve the problems raised in the above background technology. The utility model has a reasonable structure, is convenient for detecting the electromagnetic flowmeter, and is easy to use. , strong practicality.

In order to achieve the above objects, the present utility model is realized through the following technical solutions: an electromagnetic flowmeter debugging and inspection tool, including an electromagnetic flowmeter to be tested, a detection mechanism, a water storage tank and a drainage valve. The lower right end surface of the water storage tank A drainage valve is installed, and a detection mechanism is provided on the upper end surface of the water storage tank. The electromagnetic flowmeter to be tested is fixed above the water storage tank through the detection mechanism. The detection mechanism includes a left connecting seat, a left displacement seat, a double-thread screw rod, Positioning base, right displacement base, right connection base and detection electromagnetic flowmeter. A water pump is installed on the lower side of the left end face of the water storage tank. The water outlet end of the water pump is connected with a water inlet hose. The middle position of the upper end face of the water storage tank is welded. There is a positioning base, a double-threaded screw rod is provided on the upper side of the inner part of the positioning base, a left displacement seat is provided on the left side of the annular side of the double-threaded screw rod, and a left connecting seat is welded to the upper end of the left displacement seat. A right displacement seat is provided on the right side of the annular side of the double-threaded screw rod. A right connection seat is welded to the upper end of the right displacement seat. A water outlet hose is connected to the right end of the right connection seat. The right side of the rear end of the water storage tank A detection electromagnetic flowmeter is installed.

Further, a left sealing silicone sheet is embedded on the right side of the left connecting seat, a right sealing silicone sheet is embedded on the left end of the right connecting seat, and a first water pipe is provided between the left connecting seat and the water inlet hose. , a second water pipe is provided between the right connecting seat and the water outlet hose, and the left connecting seat and the right connecting seat have the same specifications.

Further, a first external thread is provided on the left side of the annular side of the double-thread screw rod, a first internal thread through hole is provided inside the left displacement seat, and the first internal thread through hole meshes with the first external thread, A second external thread is provided on the right side of the annular side of the double-thread screw rod. A second internal thread through hole is provided inside the right displacement base, and the second internal thread through hole engages with the second thread. The first external thread The direction of thread rotation is opposite to that of the second external thread.

Further, a first limiting cavity is provided on the left side of the upper end surface of the positioning base, and the first limiting cavity matches the left displacement seat, and a second limiting cavity is provided on the right side of the upper end surface of the positioning base, And the second limit cavity has a right displacement seat to match, a turntable is welded on the right end face of the double-threaded screw rod, a limit ring is set on the right side of the annular side of the double-threaded screw rod, and the limit ring and the double-threaded screw rod pass through Connected by welding.

Further, a water injection seat is welded to the upper side of the right end face of the water storage tank, and a rubber plug is installed on the upper end face of the water injection seat. A third water pipe is provided between the detection electromagnetic flowmeter and the water outlet hose. A connecting pipe is installed at the lower end of the electromagnetic flowmeter, and the connecting pipe is connected with the water storage tank. The detection electromagnetic flowmeter has the same specifications as the electromagnetic flowmeter to be tested.

Further, a control panel is installed on the front end of the positioning base, and the input end of the control panel is connected to the external power supply through wires, the water pump is connected to the output end of the control panel through wires, and the drain valve is connected to the external water supply through pipes. pipes connected.

Beneficial effects of the present utility model: The utility model is an electromagnetic flowmeter debugging and inspection tool. Because the utility model adds a double-threaded screw rod, a right displacement seat, a right connecting seat and a detection electromagnetic flowmeter, the water pump can be operated by energizing the water pump. The clean water in the water storage tank is transported to the water inlet hose, and then the clean water will flow through the left connecting seat and enter the electromagnetic flowmeter to be tested. At this time, the electromagnetic flowmeter to be tested will display the real-time flow rate, and then the clean water will enter the electromagnetic flowmeter to detect the flow rate. At this time, the electromagnetic flowmeter will display the flow rate in real time, so that the staff can compare and detect the value displayed by the electromagnetic flowmeter to be tested based on the value displayed by the electromagnetic flowmeter; when the detection is completed, the water pump can be turned off and the double thread The screw rod rotates counterclockwise, so that the left displacement base and the right displacement base drive the left connecting base and the right connecting base to move outward synchronously, so that the left connecting base and the right connecting base move outward synchronously and separate from the electromagnetic flowmeter to be measured. The electromagnetic flowmeter to be tested can be taken away immediately. Through our improvements, the detection efficiency of the electromagnetic flowmeter has been increased by 46%.

Description of the drawings

Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of the non-limiting embodiments with reference to the following drawings:

Figure 1 is a schematic structural diagram of an electromagnetic flowmeter debugging and inspection tool of the present invention;

Figure 2 is a front cross-sectional view of the detection mechanism in the electromagnetic flowmeter debugging and inspection tool of the present invention;

Figure 3 is a right cross-sectional view of the detection mechanism in the electromagnetic flowmeter debugging and inspection tool of the present invention;

In the picture: 1-electromagnetic flowmeter to be tested, 2-detection mechanism, 3-water storage tank, 31-water injection seat, 4-drain valve, 21-left connection seat, 22-water inlet hose, 23-left displacement seat, 24-double thread screw, 25-positioning base, 26-water pump, 27-water outlet hose, 28-right displacement seat, 29-right connecting seat, 211-detection electromagnetic flowmeter, 2111-connecting pipe.

Detailed ways

In order to make it easy to understand the technical means, creative features, objectives and effects of the present utility model, the present utility model will be further elaborated below in conjunction with specific implementation modes.

Please refer to Figures 1-3. The present utility model provides a technical solution: an electromagnetic flowmeter debugging and inspection tool, including an electromagnetic flowmeter to be tested 1, a detection mechanism 2, a water storage tank 3 and a drainage valve 4. The right end of the water storage tank 3 A drain valve 4 is installed on the lower side of the surface, and a detection mechanism 2 is provided on the upper end surface of the water storage tank 3. The electromagnetic flowmeter 1 to be tested is fixed above the water storage tank 3 through the detection mechanism 2.

The detection mechanism 2 includes a left connection seat 21, a left displacement seat 23, a double-thread screw rod 24, a positioning base 25, a right displacement seat 28, a right connection seat 29 and a detection electromagnetic flowmeter 211. The water storage tank 3 is equipped with a The water pump 26 has a water inlet hose 22 connected to the water outlet end of the water pump 26. A positioning base 25 is welded at the middle position of the upper end surface of the water storage tank 3. A double-threaded screw rod 24 is provided on the upper side of the positioning base 25. The double-threaded screw rod 24 is annular. A left displacement seat 23 is provided on the left side of the side. A left connecting seat 21 is welded to the upper end of the left displacement seat 23. A right displacement seat 28 is provided to the right side of the annular side of the double-threaded screw rod 24. A right displacement seat 28 is welded to the upper end of the right displacement seat 28. The connection base 29 has a water outlet hose 27 connected to the right end of the right connection base 29, and a detection electromagnetic flowmeter 211 is installed on the right side of the rear end face of the water storage tank 3. This design solves the problem of inconvenient use of the original detection device.

A left sealing silicone sheet is embedded on the right side of the left connecting seat 21, and a right sealing silicone sheet is embedded on the left end of the right connecting seat 29. A first water pipe is provided between the left connecting seat 21 and the water inlet hose 22. The right connecting seat 29 There is a second water pipe between the outlet hose 27 and the left connecting seat 21 and the right connecting seat 29 with the same specifications. The left sealing silicone sheet makes the connection between the left connecting seat 21 and the electromagnetic flowmeter 1 to be tested better sealed. The sealed silicone sheet makes the connection between the right connecting seat 29 and the electromagnetic flowmeter 1 under test better sealed. The first water pipe is convenient for guiding the water in the water inlet hose 22 to the left connecting seat 21, and the second water pipe is convenient for Direct the water in the right connecting seat 29 to the water outlet hose 27.

A first external thread is provided on the left side of the annular side of the double-threaded screw rod 24. A first internally threaded through hole is provided inside the left displacement base 23, and the first internally threaded through hole meshes with the first external thread. The double-threaded screw rod 24 A second external thread is provided on the right side of the annular side, and a second internal thread through hole is provided inside the right displacement base 28, and the second internal thread through hole engages with the second thread, and the first external thread rotates with the second external thread. The first external thread and the second external thread with opposite directions of thread rotation cause the left displacement base 23 and the right displacement base 28 to move synchronously and in different directions during the rotation of the double-thread screw rod 24. The first internal thread through hole facilitates double-threaded screw rod 24. The threaded screw rod 24 is inserted and engaged inside the left displacement seat 23, and the second internal thread through hole facilitates the double-threaded screw rod 24 to be inserted and engaged inside the right displacement seat 28. A first limiting cavity is provided on the left side of the upper end surface of the positioning base 25 , and the first limit cavity matches the left displacement seat 23, a second limit cavity is provided on the right side of the upper end surface of the positioning base 25, and the second limit cavity has a right displacement seat 28 to match, and the double-threaded screw rod 24 A turntable is welded on the right end face, and a limit ring is provided on the right side of the annular side of the double-threaded screw rod 24, and the limit ring is connected to the double-threaded screw rod 24 by welding. The first limit cavity is convenient for limiting and guiding the left displacement seat 23. , to prevent the left displacement base 23 from being offset during the left and right movement. The second limit cavity is convenient for limiting and guiding the right displacement base 28, to avoid the right displacement base 28 from being offset during the left and right movement, and the turntable is convenient for working. The personnel rotates the double-threaded screw rod 24, and the limiting ring prevents the double-threaded screw rod 24 from being displaced or slipping during rotation.

A water injection seat 31 is welded to the upper side of the right end face of the water storage tank 3, and a rubber block is installed on the upper end face of the water injection seat 31. A third water pipe is provided between the detection electromagnetic flowmeter 211 and the water outlet hose 27. The detection electromagnetic flowmeter 211 A connecting pipe 2111 is installed at the lower end, and the connecting pipe 2111 is connected with the water storage tank 3. The detection electromagnetic flowmeter 211 has the same specifications as the electromagnetic flowmeter 1 to be tested. The water injection seat 31 is convenient for the staff to inject an appropriate amount of clean water into the water storage tank 3 first, and the rubber plug The block is convenient for sealing the water injection seat 31, the third water pipe is convenient for guiding the water in the water outlet hose 27 to the detection electromagnetic flowmeter 211, and the connecting pipe 2111 is convenient for redirecting the water in the detection electromagnetic flowmeter 211 to the water storage tank. 3 is recycled, and the testing electromagnetic flowmeter 211 with the same specifications as the electromagnetic flowmeter 1 to be tested has higher testing accuracy.

A control panel is installed on the front end of the positioning base 25, and the input end of the control panel is connected to the external power supply through a wire. The water pump 26 is connected to the output end of the control panel through a wire. The drain valve 4 is connected to the external sewer pipe through a pipe. The control panel It is convenient for the staff to control the switch of the water pump 26, and the drain valve 4 is convenient for draining the clean water in the water storage tank 3 for replacement.

As the first embodiment of the utility model: the staff first unplugs the rubber plug and pours an appropriate amount of clean water into the water storage tank 3 through the water injection seat 31, and then clamps the rubber plug into the water injection seat 31. Then the electromagnetic flowmeter 1 to be measured can be placed in the middle position of the upper end surface of the positioning base 25. After the placement is completed, the double-threaded screw rod 24 can be rotated clockwise so that the left displacement base 23 and the right displacement base 28 drive the left connecting base. 21 and the right connecting seat 29 move inward synchronously, so that the left connecting seat 21 and the right connecting seat 29 can clamp and connect the electromagnetic flowmeter 1 to be tested (refer to Figure 2), and then the water pump 26 can be started, so that the water pump 26 can be powered on. The clean water in the water storage tank 3 is transported to the water inlet hose 22, and then the clean water will flow through the left connecting seat 21 and enter the electromagnetic flowmeter 1 to be tested. At this time, the electromagnetic flowmeter 1 to be tested will display the real-time flow rate, and then the clean water will flow. The water will enter the outlet hose 27 through the right connecting seat 29, and then enter the electromagnetic flowmeter 211. At this time, the electromagnetic flowmeter 211 will display the flow rate in real time, so that the staff can measure the electromagnetic flow according to the value displayed by the electromagnetic flowmeter 211. The values displayed by the flow meter 1 are compared and tested, and finally the clean water will be flushed and flowed into the water storage tank 3 for repeated use.

As the second embodiment of the present invention: after the detection is completed, the staff can turn off the water pump 26, and then rotate the double-threaded screw rod 24 counterclockwise, so that the left displacement base 23 and the right displacement base 28 drive the left displacement base 23 and the right displacement base 28. The connecting base 21 and the right connecting base 29 move outward synchronously, so that the left connecting base 21 and the right connecting base 29 move outward synchronously and separate from the electromagnetic flowmeter 1 to be tested. At this time, the electromagnetic flowmeter 1 to be tested can be taken away. for the next set of tests.

The basic principles and main features of the present utility model and the advantages of the present utility model have been shown and described above. For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and does not deviate from the present utility model. Without the spirit or basic characteristics of the invention, the present invention can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description, and it is therefore intended that all claims falling within the rights All changes within the meaning and scope of the required equivalent elements are included in the present invention. Any reference signs in the claims shall not be construed as limiting the claim in question.

In addition, it should be understood that although this specification is described in terms of implementations, not each implementation only contains an independent technical solution. This description of the specification is only for the sake of clarity, and those skilled in the art should take the specification as a whole. , the technical solutions in each embodiment can also be appropriately combined to form other implementations that can be understood by those skilled in the art.

Claims (6)

1. An electromagnetic flowmeter debugging and inspection tool, including an electromagnetic flowmeter to be tested, a detection mechanism, a water storage tank and a drainage valve, characterized in that: a drainage valve is installed on the lower side of the right end surface of the water storage tank, and the upper end surface of the water storage tank A detection mechanism is provided, and the electromagnetic flowmeter to be tested is fixed above the water storage tank through the detection mechanism; The detection mechanism includes a left connecting seat, a left displacement seat, a double-thread screw rod, a positioning base, a right displacement seat, a right connecting seat and a detection electromagnetic flowmeter. A water pump is installed on the lower side of the left end face of the water storage tank. The water pump A water inlet hose is connected to the water outlet end. A positioning base is welded to the middle position of the upper end surface of the water storage tank. A double-threaded screw rod is provided on the upper side of the inner part of the positioning base. A double-threaded screw rod is provided on the left side of the annular side of the double-threaded screw rod. The left displacement seat has a left connection seat welded to the upper end of the left displacement seat, a right displacement seat is provided on the right side of the annular side of the double-threaded screw rod, and a right connection seat is welded to the upper end of the right displacement seat. A water outlet hose is connected to the right end of the right connecting seat, and a detection electromagnetic flowmeter is installed on the right side of the rear end face of the water storage tank. 2. An electromagnetic flowmeter debugging inspection tool according to claim 1, characterized in that: a left sealing silicone sheet is embedded on the right side of the left connecting seat, and a right sealing silicone sheet is embedded on the left end surface of the right connecting seat. , a first water pipe is provided between the left connecting seat and the water inlet hose, and a second water pipe is provided between the right connecting seat and the water outlet hose. 3. An electromagnetic flowmeter debugging inspection tool according to claim 1, characterized in that: a first external thread is provided on the left side of the annular side of the double-threaded screw rod, and a first internal thread is provided inside the left displacement seat. A threaded through hole, a second external thread is provided on the right side of the annular side of the double-threaded screw rod, and a second internally threaded through hole is provided inside the right displacement base. 4. An electromagnetic flowmeter debugging inspection tool according to claim 1, characterized in that: a first limiting cavity is provided on the left side of the upper end surface of the positioning base, and a first limiting cavity is provided on the right side of the upper end surface of the positioning base. In the second limiting cavity, a turntable is welded to the right end face of the double-threaded screw rod, and a limit ring is provided on the right side of the annular side of the double-threaded screw rod. 5. An electromagnetic flowmeter debugging inspection tool according to claim 1, characterized in that: a water injection seat is welded on the upper side of the right end surface of the water storage tank, and a third electromagnetic flowmeter is provided between the detection electromagnetic flowmeter and the water outlet hose. Three water pipes are connected, and a connecting pipe is installed at the lower end of the detection electromagnetic flowmeter. 6. An electromagnetic flowmeter debugging and inspection tool according to claim 1, characterized in that: a control panel is installed on the front end of the positioning base, the water pump is connected to the output end of the control panel through a wire, and the drainage The valve is connected to the external sewer pipe through a pipe.