Cavity leakage detection device of gas meter

Abstract

The utility model discloses a cavity leakage detection device of a gas meter. The cavity leakage detection device comprises a bottom frame and a support installed on the bottom frame. The limiting assembly is installed on the bottom frame and the support and used for limiting the installation position of the gas meter, and the sealing rubber plate is used for blocking the gas meter. The limiting assembly comprises a base and a limiting plate, wherein the base is installed on the bottom frame and used for supporting and installing the gas meter and limiting the left-right position of the gas meter, and the limiting plate is installed on the bottom frame, located on one side of the base and used for positioning the front-back position of the gas meter. According to the utility model, through the arrangement of the limiting assembly, the installation position of the gas meter is limited, so that the gas meter can be accurately fixed at the limited position during detection, the installation position of each gas meter can be ensured to be consistent when the batch gas meters are detected, the detection accuracy and the installation convenience of the gas meters are ensured, and the detection efficiency of the gas meters is improved. And the detection efficiency is improved while the detection accuracy is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas meter detection, specifically point to a kind of cavity leakage detection device of gas meter. BACKGROUND

[0002] Natural gas is relatively safe gas, and its safety is relatively higher than other fuels. Using natural gas as energy can reduce the use of coal and oil, thus greatly improving environmental pollution problems. As a clean energy, natural gas can reduce sulfur dioxide and dust emissions by nearly 100%, reduce carbon dioxide emissions by 60% and nitrogen oxide emissions by 50%, and help reduce acid rain formation and ease the greenhouse effect of the earth, thus fundamentally improving environmental quality.

[0003] However, natural gas is usually detected by gas meter when used. If there is internal leakage in the gas meter, the gas meter will still work due to gas leakage without using gas, which will lead to inaccurate gas metering. Therefore, the gas meter needs to be detected after processing to ensure that the product does not have leakage problem, so as to ensure accurate gas consumption metering. Therefore, a cavity leakage detection device for gas meter is proposed. SUMMARY

[0004] The utility model discloses a kind of cavity leakage detection devices for gas meter to solve the above problems.

[0005] To achieve the above purpose, the utility model provides the following technical scheme a kind of cavity leakage detection device for gas meter, including chassis and the support installed on chassis;Its characterized in that it further includes the limiting component for the installation position of gas meter and the sealing rubber plate for the plugging effect of gas meter, which are installed on the chassis and the support, the limiting component includes the base for supporting installation gas meter and limiting left and right positions on the chassis, the limiting plate for positioning front and back positions of gas meter is installed on the chassis and at the side of base.

[0006] Further preferably, it further includes support plate for supporting gas meter installed on both sides of support.

[0007] Further preferably, it further includes drive installed on support and pressing plate connected with drive, and the sealing rubber plate is installed on pressing plate.

[0008] Further preferably, it further includes guide column installed on pressing plate and connected with support to guide and limit the movement of pressing plate.

[0009] Further preferably, the base is provided with limiting card station corresponding to gas meter to limit the installation position of gas meter.

[0010] Further preferably, it further comprises a joint installed on the pressing plate and communicating with the cavity of the gas meter through the sealing rubber plate.

[0011] Further preferably, it further comprises a vacuumizing device connected with the joint through a pipeline for vacuumizing the cavity of the gas meter and a liquid column pressure gauge communicating with the pipeline for detecting the pressure in the cavity of the gas meter.

[0012] The utility model discloses the beneficial effects: through the setting of limiting component, the installation position of gas meter is limited, and the gas meter is accurately fixed in the limited position when detecting, and when detecting the batched gas meter, can ensure that the installation position of every gas meter is consistent, ensures the precision of gas meter detection and the convenience of installation, improves the detection accuracy and improves the detection efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0013] ATTACHED Fig. 1 It is the structure schematic diagram of the utility model;

[0014] ATTACHED Fig. 2 It is the structure schematic diagram of another visual angle when using the utility model;

[0015] ATTACHED Fig. 3 It is the structure schematic diagram of another visual angle when using the utility model.

[0016] Legend: 1, underframe;2, support;3, sealing rubber plate;4, base;5, limiting plate;6, support plate;7, driver;8, pressing plate;9, guide column;10, limiting card station. DETAILED DESCRIPTION

[0017] Below, we combine the drawings and make further description to the cavity leakage detection device of gas meter described in the utility model.

[0018] It should be noted that, all directionality indications such as up, down, left, right, front, back in the embodiment of the utility model are only used to explain the relative position relationship, movement condition and the like between components in a certain specific posture, such as shown in the drawings, if the specific posture changes, then the directionality indications also change accordingly.

[0019] In the utility model, unless another explicit provision and limitation, the terms "connect", "fix" and the like should be understood broadly;For example, "fix" can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be the communication or interaction relationship of two elements, unless another explicit limitation.For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0020] Referring to Figs. 1-3 A cavity leakage detection device of gas meter, comprising a chassis 1 and a support 2 installed on the chassis 1, characterized in that it further comprises a limiting assembly installed on the chassis 1 and the support 2 for limiting the installation position of the gas meter and a sealing rubber plate 3 for sealing the gas meter, the limiting assembly comprises a base 4 installed on the chassis 1 for supporting the installation of the gas meter and limiting the left and right positions of the gas meter, and a limiting plate 5 installed on the chassis 1 and located on one side of the base 4 for limiting the front and back positions of the gas meter.

[0021] By setting the limiting assembly, the installation position of the gas meter is limited, which facilitates the accurate fixing of the gas meter at the limited position during detection, ensures that the installation position of each gas meter is consistent when detecting a batch of gas meters, ensures the accuracy of gas meter detection and the convenience of installation, and improves the detection accuracy and efficiency.

[0022] By setting the limiting plate 5, the front and back positions of the gas meter on the base 4 are positioned.

[0023] In one embodiment, it further comprises support plates 6 installed on both sides of the support 2 for supporting the gas meter, and by setting the two support plates 6, when the pressing plate 8 and the sealing rubber plate 3 are pressed against the gas meter by the drive 7, the support plates 6 support the gas meter.

[0024] In one embodiment, it further comprises a drive 7 installed on the support 2 and a pressing plate 8 connected to the drive 7, and the sealing rubber plate 3 is installed on the pressing plate 8; the drive 7 can be a pneumatic cylinder or a hydraulic cylinder; by setting the sealing rubber plate 3, the sealing rubber plate 3 deforms under pressure when it is pressed against the gas meter, thereby improving the sealing performance of the pressing position and avoiding damage caused by hard contact between the sealing rubber plate 3 and the gas meter.

[0025] In one embodiment, it further comprises guide columns 9 installed on the pressing plate 8 and in sliding connection with the support 2 for guiding and limiting the movement of the pressing plate 8; by setting the guide columns 9, the up and down movement of the pressing plate 8 is guided and limited.

[0026] In one embodiment, the base 4 is provided with a limiting clamping table 10 corresponding to the gas meter for limiting the installation position of the gas meter; by setting the limiting clamping table 10 adapted to the gas meter, the limiting clamping table 10 limits the left and right positions of the gas meter installed on the base 4.

[0027] In one embodiment, further comprising a joint installed on the pressing plate 8 and communicating with the cavity of the gas meter through the sealing rubber plate 3; through the joint, when detecting whether there is internal leakage in the cavity of the gas meter, the joint is connected with the vacuumizing device through the pipeline, the cavity of the gas meter is vacuumized by the vacuumizing device, and then whether the gas meter leaks is detected.

[0028] In one embodiment, further comprising a vacuumizing device connected with the joint through the pipeline for vacuumizing the cavity of the gas meter and two liquid column pressure gauges communicating with the pipeline for detecting the pressure in the two cavities of the gas meter, when detecting whether there is internal leakage in the gas meter, the two cavities of the gas meter are vacuumized by the vacuumizing device, and then whether there is leakage phenomenon is judged by observing the liquid column pressure gauges.

[0029] In use, first, the gas meter is installed on the base 4 through the limiting clamping table 10, then the gas meter is moved to move along the limiting clamping table 10 until the side of the gas meter contacts the limiting plate 5 to complete positioning of the gas meter, at this time, the upper part of the gas meter is on the supporting plate 6; then the driver 7 is started, the driver 7 drives the pressing plate 8 and the sealing rubber plate 3 to move downward, the sealing rubber plate 3 contacts and is pressed against the gas meter, then the vacuumizing device is started to vacuumize the two cavities of the gas meter through the pipeline and the joint, then whether there is internal leakage in the gas meter is detected by observing the liquid column pressure gauges, after the detection is completed, the vacuumizing is stopped, then the driver 7 drives the pressing plate 8 and the sealing rubber plate 3 to move upward and reset, then the gas meter can be taken off by the operator.

[0030] The protection scope of the utility model is not limited to the above embodiments and transformations. The routine modifications and replacements made by the skilled in the art based on the content of the embodiments all belong to the protection scope of the utility model.

Claims

1. A gas meter cavity leakage detection device, comprising a base frame (1) and a bracket (2) mounted on the base frame (1); characterized in that... It also includes a limiting component installed on the base frame (1) and bracket (2) to limit the installation position of the gas meter and a sealing plate (3) for sealing the gas meter. The limiting component includes a base (4) installed on the base frame (1) to support the installation of the gas meter and limit its left and right positions, and a limiting plate (5) installed on the base frame (1) and located on one side of the base (4) to position the front and rear positions of the gas meter.

2. The gas meter cavity leakage detection device according to claim 1, characterized in that: It also includes support plates (6) installed on both sides of the bracket (2) to support the gas meter.

3. The gas meter cavity leakage detection device according to claim 1, characterized in that: It also includes a driver (7) mounted on the bracket (2) and a pressure plate (8) connected to the driver (7), wherein the sealing plate (3) is mounted on the pressure plate (8).

4. The gas meter cavity leakage detection device according to claim 3, characterized in that: It also includes a guide post (9) that is installed on the pressure plate (8) and slidably connected to the bracket (2) to guide and limit the movement of the pressure plate (8).

5. The gas meter cavity leakage detection device according to claim 1, characterized in that: The base (4) is provided with a limiting plate (10) that corresponds to the gas meter and limits its installation position.

6. The gas meter cavity leakage detection device according to claim 3, characterized in that: It also includes a connector installed on the pressure plate (8) and communicating with the gas meter cavity through the sealing rubber plate (3).

7. A gas meter cavity leakage detection device according to claim 6, characterized in that: It also includes a vacuuming device connected to the connector via a pipeline for evacuating the gas meter cavity, and a liquid column pressure gauge connected to the pipeline for detecting the pressure inside the gas meter cavity.

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