Gas meter magnetic ring detachment test device and detection method

Abstract

The present invention discloses a gas meter magnetic ring detachment test device and detection method, comprising a base and a balance installed on the base, and is characterized in that it comprises a test assembly installed at one end of the base and connected to the balance for the gas meter magnetic ring detachment test, the test assembly comprising a positioning part installed at one end of the base, a cable installed at one end of the balance and matched with the positioning part, and an elastic ring arranged at one end of the cable for connecting to the magnetic ring; through the setting of the device, the balance is used to perform magnetic detachment detection on large and small magnetic rings on the magnetic ring, thereby ensuring that the magnetic force of each magnetic ring meets the production requirements, improving the stability of the gas meter magnetic transmission, and improving the accuracy of the gas meter counter.

Description

Technical Field

[0001] The present invention relates to the technical field of magnetic ring detection, and in particular to a gas meter magnetic ring detachment testing device and a detection method. Background Art

[0002] A gas meter is a metering instrument suitable for measuring gas energy. It adopts shaft transmission, and the transmission shaft needs to penetrate from the inner surface of the steel shell to the outside to transmit power to the counter. Gas leakage cannot occur in this process. Currently, magnetic transmission is used, and the characteristics of magnetic rings are used to solve the problem of insufficient sealing of shaft transmission. However, there is no unified detection tool for the magnetism of magnetic rings. If the magnetic force between the small magnetic ring and the large magnetic ring on the magnetic ring is too small, the small magnetic ring and the large magnetic ring will be separated during use, thereby affecting the counting. Therefore, it is necessary to propose a gas meter magnetic ring separation test device and detection method. Summary of the Invention

[0003] The purpose of the present invention is to solve the above problems and to provide a gas meter magnetic ring separation test device and detection method.

[0004] In order to achieve the above-mentioned purpose, the present invention provides the following technical solution: it includes a base and a balance installed on the base, which is characterized in that it includes a test assembly installed at one end of the base and connected to the balance for testing the magnetic ring detachment of the gas meter, and the test assembly includes a positioning part installed at one end of the base, a cable installed at one end of the balance and cooperating with the positioning part, and an elastic ring arranged at one end of the cable for connecting to the magnetic ring.

[0005] Further preferably, the friction resistance between the elastic ring and the end of the magnetic ring should be greater than the magnetic force causing the magnetic ring to separate.

[0006] Further preferably, the positioning portion includes a fixing seat mounted on the base and a splicing seat mounted on the base and movably engaged with the fixing seat.

[0007] Further preferably, the fixing seat is provided with a slot, and the splicing seat is provided with an insert that cooperates with the slot.

[0008] Further preferably, a magnetic block magnetically connected to the fixing seat is installed at the front end of the insert.

[0009] Further preferably, both the fixing seat and the splicing seat are provided with an annular groove for fixing the magnetic ring.

[0010] Further preferably, a limiting ring is provided on the annular groove.

[0011] Further preferably, the base is provided with a guide rail, and the splicing seat is provided with a slide groove that matches the guide rail.

[0012] Further preferably, it also includes an automatic detection component installed on the base and connected to the balance, the automatic detection component includes a controller, a servo motor installed on the base and controlled by the controller, and a tension sensor driven by the servo motor and connected to one end of the balance.

[0013] A method for detecting a gas meter magnetic ring detachment test device, the detection method comprises the following steps:

[0014] Step 1: Calibrate the balance and put it in the state to be tested;

[0015] Step 2: Install the elastic collar on the small magnetic ring of the magnetic ring, and make the connection strength between the elastic collar and the small magnetic ring greater than the magnetic force between the small magnetic ring and the large magnetic ring;

[0016] Step 3: Place the assembled magnetic ring in the annular groove and install the splicing seat on the fixed seat;

[0017] Step 4: Place weights on the tray on the other side of the balance. Add weights in the order from small weights to large weights. During the adding process, observe and record whether the small magnetic ring separates from the large magnetic ring.

[0018] Step 5: After the test is completed, remove the elastic ring and magnetic ring.

[0019] The beneficial effects of the present invention are as follows: through the setting of the device, a balance is used to perform magnetic separation detection on the large and small magnetic rings on the magnetic ring, thereby ensuring that the magnetic force of each magnetic ring meets the production requirements, improving the stability of the magnetic transmission of the gas meter, and improving the accuracy of the gas meter counter;

[0020] By setting the elastic ring, the elastic ring is connected to the small magnetic ring, which makes it easy to disassemble and assemble the magnetic ring, and the operation is simple and convenient;

[0021] By setting the positioning part, the magnetic ring to be tested is limited between the fixing seat and the splicing seat, which prevents the magnetic ring from shaking during the detection process and causes deviation in the detection data, thereby improving the stability of the magnetic ring and further improving the accuracy of the detection;

[0022] By setting and coordinating the guide rail and the slide groove, the coordinating accuracy between the splicing seat and the fixed seat is improved when the splicing seat is opened or closed;

[0023] By setting up the automatic detection component and using the controller to control the servo motor and the tension sensor, the magnitude of the magnetic force of the magnetic ring can be detected more accurately, thereby improving the demagnetization test efficiency of the magnetic ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the overall structure of the patent of this invention;

[0025] Figure 2This is an enlarged schematic diagram of the structure of location A in the patent of this invention

[0026] Figure 3 This is a schematic diagram of the structure of the patented splicing seat of the present invention;

[0027] Figure 4 This is a schematic diagram of the overall structure of the patented invention with automatic detection components;

[0028] Figure 5 This is an enlarged schematic diagram of the structure at point B of the patent of this invention.

[0029] Markings in the figure: 1 base, 2 balance, 20 cable, 21 elastic ring, 22 fixed seat, 23 splicing seat, 24 slot, 25 insert, 26 magnetic block, 27 annular groove, 28 limit ring, 29 guide rail, 30 slide, 31 controller, 32 servo motor, 33 tension sensor, 4 small magnetic rings, 5 large magnetic rings. DETAILED DESCRIPTION

[0030] Hereinafter, we will further explain in detail the gas meter magnetic ring separation test device and detection method according to the present invention with reference to the accompanying drawings.

[0031] It should be noted that all directional indications in the embodiments of the present invention, such as up, down, left, right, front, back, etc., are only used to explain the relative position relationship, movement status, etc. between the various components in a certain specific posture as shown in the accompanying drawings. If the specific posture changes, the directional indication will also change accordingly.

[0032] In the present invention, unless otherwise clearly defined or defined, the terms “connected”, “fixed”, etc. should be understood in a broad sense.

[0033] For example, "fixed" can mean fixed connection, detachable connection, or integration; can mean mechanical connection or electrical connection; can mean direct connection or indirect connection through an intermediate medium; can mean internal communication between two elements or interaction between two elements, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0034] See attached Figures 1 to 3As shown, in this embodiment, a gas meter magnetic ring detachment test device includes a base 1 and a balance 2 installed on the base 1, which is characterized in that it includes a test component installed at one end of the base 1 and connected to the balance 2 for the gas meter magnetic ring detachment test, the test component includes a positioning part installed at one end of the base 1, a cable 20 installed at one end of the balance 1 and cooperating with the positioning part, and an elastic ring 21 provided at one end of the cable 20 for connecting to the magnetic ring, the friction resistance between the elastic ring 21 and the end of the magnetic ring should be greater than the magnetic force of the magnetic ring detachment; through the setting of the elastic ring 21, the elastic ring 21 is put on the small magnetic ring, so that the elastic ring 21 and the small magnetic ring are fixedly connected together, the operation is simple and convenient, and it is easy to disassemble and assemble; through the setting of this device, the large and small magnetic rings on the magnetic ring are detected by using the balance 2, so as to ensure that the magnetic force of each magnetic ring meets the production requirements, improve the stability of the gas meter magnetic transmission, and improve the accuracy of the gas meter counter.

[0035] The positioning portion includes a fixing seat 22 mounted on the base 1 and a splicing seat 23 mounted on the base 1 and movably matched with the fixing seat 22. The fixing seat 22 is provided with a slot 24, and the splicing seat 23 is provided with an insert 25 that is matched with the slot 24. A magnetic block 26 that is magnetically connected to the fixing seat 22 is installed at the front end of the insert 25. Through the provision of the positioning portion, the magnetic ring to be tested is limited between the fixing seat 22 and the splicing seat 23, preventing the magnetic ring from shaking during the detection process and causing deviation in the detection data, thereby improving the stability of the magnetic ring and further improving the accuracy of the detection.

[0036] Both the fixed seat 22 and the splicing seat 23 are provided with an annular groove 27 for fixing the magnetic ring, and the annular groove 27 is provided with a limiting ring 28. The base 1 is provided with a guide rail 29, and the splicing seat 23 is provided with a slide groove 30 that cooperates with the guide rail 29; through the setting and cooperation of the guide rail 29 and the slide groove 30, the splicing seat 23 is improved in terms of the cooperation accuracy with the fixed seat 22 when it is opened or closed.

[0037] A method for detecting a gas meter magnetic ring detachment test device, the detection method comprises the following steps:

[0038] Step 1: Calibrate balance 2 and put balance 2 into a state to be tested;

[0039] Step 2: Install the elastic collar 21 on the small magnetic ring 4 of the magnetic ring, and make the connection strength between the elastic collar 21 and the small magnetic ring 4 greater than the magnetic force between the small magnetic ring 4 and the large magnetic ring 5;

[0040] Step 3: Place the small magnetic ring on the large magnetic ring, and place the entire magnetic ring in the annular groove 27 of the fixed seat 22. Finally, push the splicing seat 23 along the guide rail 29 so that the insert 25 is inserted into the slot 24. The magnetic block 26 is just adsorbed on the fixed seat 22, so that the splicing seat 23 and the fixed seat 22 are connected together. At this time, the magnetic ring is in the area enclosed by the fixed seat 22 and the splicing seat 23 and is limited by the limiting ring 28. At the same time, one end of the balance 2 is tilted toward the magnetic ring.

[0041] Step 4: Place the smallest weight on the tray on the other side of the balance 2 and observe whether the small magnetic ring 4 is separated from the large magnetic ring 5; if not, add another weight on the other side of the balance 2 and observe again whether the small magnetic ring 4 is separated from the large magnetic ring 5 until the small magnetic ring 4 is separated from the large magnetic ring 5. Check the quality of the weight before separation, calculate the demagnetization force of the magnetic ring, and judge whether it is qualified;

[0042] The order of adding weights is from small weights to large weights. During the adding process, observe and record whether the small magnetic ring is detached from the large magnetic ring.

[0043] Step 5: After the test is completed, remove the weight at one end of the balance 2, open the joint seat 23, remove the magnetic ring from the annular groove 27 and remove the elastic ring 21. This method can quickly determine whether the magnetic force of the magnetic ring meets the production requirements, thereby ensuring the quality of each magnetic ring.

[0044] In one embodiment, as shown in the attached Figures 4 to 5 As shown, it also includes an automatic detection component installed on the base 1 and connected to the balance 2, the automatic detection component includes a controller 31, a servo motor 32 installed on the base 1 and controlled by the controller 31, and a tension sensor 33 driven by the servo motor 32 and connected to one end of the balance 1; through the setting of the automatic detection component, the controller 31 is used to control the servo motor 32 to drive the tension sensor 33, gradually increasing the tension at one end of the balance 2 to replace the manual placement of the weight operation process, and at the same time, the controller 31 can automatically detect the magnetic force of the small magnetic ring 4 and the large magnetic ring 5 when they are separated, which solves the complicated process caused by manually increasing or decreasing the weight, and the operation is simple and convenient; through automatic control, the tension value when the small magnetic ring 4 is separated from the large magnetic ring 5 can be detected more accurately, thereby improving the demagnetization test efficiency and detection accuracy of the magnetic ring.

[0045] The protection scope of the present invention is not limited to the above embodiment and its variations. Conventional modifications and replacements made by those skilled in the art based on the contents of this embodiment fall within the protection scope of the present invention.

Claims

1. A gas meter magnetic ring separation test device, comprising a base (1) and a balance (2) mounted on the base (1), characterized in that The invention comprises a test assembly installed at one end of a base (1) and connected to a balance (2) for testing the magnetic ring separation of a gas meter, wherein the test assembly comprises a positioning portion installed at one end of the base (1), a cable (20) installed at one end of the balance (1) and matched with the positioning portion, and an elastic collar (21) provided at one end of the cable (20) for connecting to a small magnetic ring (4), wherein the friction resistance between the elastic collar (21) and the end of the magnetic ring should be greater than the magnetic force of the magnetic ring separation; the positioning portion comprises a fixing seat (22) installed on the base (1) and a fixing seat (23) installed on the base (1). The base (1) comprises a splicing seat (23) which is movably matched with the fixing seat (22); the fixing seat (22) is provided with a slot (24), and the splicing seat (23) is provided with an insert (25) which is connected with the slot (24); a magnetic block (26) which is magnetically connected with the fixing seat (22) is installed at the front end of the insert (25); the fixing seat (22) and the splicing seat (23) are both provided with an annular groove (27) for fixing the magnetic ring; a limiting ring (28) is provided on the annular groove (27), and the base (1) is provided with a guide Rail (29), the splicing seat (23) is provided with a slide groove (30) that matches the guide rail (29); when the device is used, the small magnetic ring (4) is placed on the large magnetic ring (5), and the entire large magnetic ring (5) is placed in the annular groove (27) of the fixed seat (22), and finally the splicing seat (23) is pushed along the guide rail (29) so that the insert (25) is inserted into the slot (24), and the magnetic block (26) is just adsorbed on the fixed seat (22), so that the splicing seat (23) and the fixed seat (22) are connected together; at this time, the large magnetic ring (5) is in a fixed position. The base (22) and the splicing base (23) are within the area enclosed by the limiting ring (28), and one end of the balance (2) is tilted toward the side of the magnetic ring; the smallest weight is placed on the tray on the other side of the balance (2), and the small magnetic ring (4) is observed to be detached from the large magnetic ring (5); if not, the weight at the other end of the balance 5 is increased, and the small magnetic ring (4) is observed again to be detached from the large magnetic ring (5), until the small magnetic ring (4) is detached from the large magnetic ring (5), and the weight mass before detachment is checked, and the magnitude of the demagnetization force of the magnetic ring is obtained by calculation.

2. A gas meter magnetic ring detachment test device according to claim 1, characterized in that: The invention also includes an automatic detection component mounted on the base (1) and connected to the balance (2), wherein the automatic detection component includes a controller (31), a servo motor (32) mounted on the base (1) and controlled by the controller (31), and a tension sensor (32) driven by the servo motor (32) and connected to one end of the balance (1).

3. A method for detecting a gas meter magnetic ring detachment test device according to any one of claims 1 to 2, characterized in that: The detection method is as follows: Step 1: Calibrate the balance and put it in the state to be tested; Step 2: Install the elastic collar on the small magnetic ring of the magnetic ring, and make the connection strength between the elastic collar and the small magnetic ring greater than the magnetic force between the small magnetic ring and the large magnetic ring; Step 3: Place the assembled magnetic ring in the annular groove and install the splicing seat on the fixed seat; Step 4: Place weights on the tray on the other side of the balance. Add weights in the order from small weights to large weights. During the adding process, observe and record whether the small magnetic ring separates from the large magnetic ring. Step 5: After the test is completed, remove the elastic ring and magnetic ring.

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