Gas turbine flowmeter for natural gas

Abstract

The utility model relates to the technical field of flow meters, and provides a gas turbine flow meter for natural gas, which comprises a flow meter main body, a measuring port is arranged at the side end of the flow meter main body, a conical groove is arranged at the inner end of the measuring port, a linkage rod is arranged at the inner end of the conical groove, and a lower sector plate is arranged at the outer end of the linkage rod. An upper fan-shaped plate is arranged at the upper end of the lower fan-shaped plate, and a linkage ring groove and a linkage sliding block are arranged between the upper fan-shaped plate and the lower fan-shaped plate; an arc spring is arranged between the upper sector plate and the lower sector plate, an annular cover is arranged at the outer end of the linkage rod, a linkage shaft is arranged at the outer end of the annular cover, and a rotating shaft is arranged at the outer end of the linkage shaft. The conical groove is installed at the inner end of the flowmeter body in an embedded mode, and the conical groove is in sliding connection with the linkage rod. By means of the technical scheme, the problem that in the related technology, an existing flowmeter device cannot flexibly sample and detect gas in the corresponding flowmeter is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of flow meters, and in particular to a gas turbine flow meter for natural gas. Background Art

[0002] Flowmeter is an instrument that indicates the measured flow rate and / or the total amount of fluid in a selected time interval. In simple terms, it is an instrument used to measure the flow rate of fluid in a pipeline or open channel. Flowmeters are divided into differential pressure flowmeters, rotor flowmeters, throttling flowmeters, slit flowmeters, volumetric flowmeters, electromagnetic flowmeters, ultrasonic flowmeters, etc. Classification by medium: liquid flowmeter and gas flowmeter

[0003] For example, an existing patent discloses a gas turbine flowmeter (authorization announcement number: CN214010406U), which relates to the field of instrument technology; it includes a filter, a front straight pipe section, a flowmeter body, a rear straight pipe section, and a bypass valve; the front end of the front straight pipe section is connected to a filter, the end of the front straight pipe section is connected to the flowmeter body, the flowmeter body is connected to the rear straight pipe section, the front end of the filter is connected to a bypass pipeline, and the bypass pipeline is connected to the end of the rear straight pipe section. In the gas turbine flowmeter described in the utility model, the bypass pipeline is conducive to the normal transportation of the fluid, and the bypass valve must be closed during normal use. The turbine can rotate flexibly without intermittent jamming, and the overall structure is easy to maintain. The utility model has the advantages of simple structure, reasonable arrangement, and low manufacturing cost.

[0004] However, the above patents and existing flow meter devices still have certain shortcomings. The existing flow meter devices cannot flexibly sample and detect the gas in the corresponding flow meter. Therefore, we propose a gas turbine flow meter for natural gas. Utility Model Content

[0005] The utility model provides a gas turbine flowmeter for natural gas, which solves the problem that the existing flowmeter device in the related technology cannot flexibly perform sampling and detection on the gas in the corresponding flowmeter.

[0006] The technical solution of the utility model is as follows:

[0007] A gas turbine flowmeter for natural gas, comprising a flowmeter body, a measuring port is provided at a measuring end of the flowmeter body, a conical groove is provided at the inner end of the measuring port, a linkage rod is provided at the inner end of the conical groove, a lower fan-shaped plate is provided at the outer end of the linkage rod, an upper fan-shaped plate is provided at the upper end of the lower fan-shaped plate, and a linkage annular groove and a linkage slider are provided between the upper fan-shaped plate and the lower fan-shaped plate;

[0008] As a further technical solution of the utility model, an arc spring is provided between the upper fan-shaped plate and the lower fan-shaped plate, a ring cover is provided at the outer end of the linkage rod, a linkage shaft is provided at the outer end of the ring cover, and a rotating shaft is provided at the outer end of the linkage shaft.

[0009] As a further technical solution of the utility model, the conical groove is embedded in the inner end of the flowmeter body, the conical groove is slidably connected to the linkage rod, the outer end of the linkage rod is movably connected to the upper fan-shaped plate and the lower fan-shaped plate, and the upper fan-shaped plate and the lower fan-shaped plate are slidably connected through a linkage ring groove and a linkage slider.

[0010] As a further technical solution of the utility model, the linkage ring groove is embedded in the inner end of the lower fan-shaped plate, the lower end of the upper fan-shaped plate is connected to the linkage slider, and the linkage slider slides along the linkage ring groove.

[0011] As a further technical solution of the utility model, the lower fan-shaped plate and the upper fan-shaped plate are both made of silicone material, the upper fan-shaped plate and the lower fan-shaped plate both rotate along the linkage rod, and the arc spring is embedded in the linkage ring groove.

[0012] As a further technical solution of the utility model, the ring cover caliper is at the outer end of the linkage rod, the outer end of the ring cover is fixedly connected to the linkage shaft, and the linkage shaft is embedded in the inner end of the rotating shaft, and the lower end of the linkage shaft is fixedly installed on the upper end of the flowmeter body.

[0013] As a further technical solution of the utility model, a slide cylinder is provided at the outer end of the conical groove, a vertical spring is provided at the inner end of the slide cylinder, and an extended measuring nozzle is provided at the outer end of the vertical spring.

[0014] As a further technical solution of the utility model, the slide cylinder is embedded in the outer end of the tapered groove, the inner end of the slide cylinder is movably connected to the vertical spring, and the vertical spring is fixedly connected to the extended measuring nozzle.

[0015] The working principle and beneficial effects of the utility model are:

[0016] 1. The utility model is provided with a flow meter body, a measuring port, a conical groove, a lower fan-shaped plate, an upper fan-shaped plate, a linkage ring groove, a linkage slider, a ring cover, a linkage shaft, a rotating shaft, a linkage rod, and an arc spring, in order to facilitate the detection of the gas in the flow meter body. Through the opened measuring port, the lower fan-shaped plate and the upper fan-shaped plate in the corresponding conical groove are moved, through the action of the linkage rod, so that the lower fan-shaped plate and the upper fan-shaped plate are extended and retracted through the linkage groove and the linkage slider under the activity of the arc spring. Therefore, when the ring cover is opened along the linkage shaft and the rotating shaft, the corresponding measuring port can conveniently let the gas flow out;

[0017] 2. The vertical spring, the extended measuring nozzle and the slide cylinder are provided. In order to facilitate the measurement of the measuring port, the measuring port is extended, and a slide cylinder is provided on the outside of the conical groove, so that the extended measuring nozzle is embedded in the slide cylinder. In the process of opening the ring cover, the vertical spring provides the extended measuring nozzle with an upward force, ensuring that the extended measuring nozzle can extend out of the measuring port in the process of opening the ring cover, thereby improving the accuracy of the measured data. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the side section structure of the utility model;

[0021] Figure 3 This is an enlarged structural diagram of the ring cover of the utility model;

[0022] Figure 4 It is a schematic diagram of the side section structure of the linkage rod of the utility model.

[0023] In the figure: 1. flow meter body; 2. measuring port; 3. conical groove; 4. lower fan-shaped plate; 5. upper fan-shaped plate; 6. linkage ring groove; 7. linkage slider; 8. ring cover; 9. linkage shaft; 10. rotating shaft; 11. linkage rod; 12. arc spring; 13. vertical spring; 14. extended measuring nozzle; 15. slide cylinder. DETAILED DESCRIPTION

[0024] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Example 1

[0026] like Figure 1~Figure 2 As shown, this embodiment proposes a gas turbine flowmeter for natural gas, including a flowmeter body 1, a measuring port 2 is provided at the side end of the flowmeter body 1, a conical groove 3 is provided at the inner end of the measuring port 2, a linkage rod 11 is provided at the inner end of the conical groove 3, a lower fan-shaped plate 4 is provided at the outer end of the linkage rod 11, an upper fan-shaped plate 5 is provided at the upper end of the lower fan-shaped plate 4, and a linkage annular groove 6 and a linkage slider 7 are provided between the upper fan-shaped plate 5 and the lower fan-shaped plate 4.

[0027] Example 2

[0028] like Figure 3 As shown, on the basis of Example 1, it is also proposed that an arc spring 12 is provided between the upper fan plate 5 and the lower fan plate 4, the outer end of the linkage rod 11 is provided with a ring cover 8, the outer end of the ring cover 8 is provided with a linkage shaft 9, and the outer end of the linkage shaft 9 is provided with a rotating shaft 10. The conical groove 3 is embedded and installed at the inner end of the flow meter body 1, the conical groove 3 is slidably connected with the linkage rod 11, the outer end of the linkage rod 11 is movably connected with the upper fan plate 5 and the lower fan plate 4, and the upper fan plate 5 and the lower fan plate 4 are slidably connected through the linkage ring groove 6 and the linkage slider 7. The linkage ring groove 6 is embedded and installed at the inner end of the lower fan plate 4, the lower end of the upper fan plate 5 is connected to the linkage slider 7, and the linkage slider 7 slides along the linkage ring groove 6. The lower fan plate 4 and the upper fan plate 5 are both made of silicone, the upper fan plate 5 and the lower fan plate 4 rotate along the linkage rod 11, and the arc spring 12 is buried in the linkage ring groove 6. The ring cover 8 is clamped at the outer end of the linkage rod 11, and the outer end of the ring cover 8 is fixedly connected to the linkage shaft 9, and the linkage shaft 9 is embedded and installed at the inner end of the rotating shaft 10. The lower end of the linkage shaft 9 is fixedly installed at the upper end of the flow meter body 1, in order to facilitate the detection of the gas in the flow meter body 1. Through the opened measuring port 2. The lower fan plate 4 and the upper fan plate 5 in the corresponding conical groove 3 are extended and retracted through the linkage slide groove and the linkage slider 7 under the activity of the arc spring 12 through the action of the linkage rod 11. Therefore, when the ring cover 8 is opened along the linkage shaft 9 and the rotating shaft 10, the corresponding measuring port 2 can conveniently flow out the gas.

[0029] Example 3

[0030] like Figure 4 As shown, on the basis of Example 2, it is also proposed that the outer end of the conical groove 3 is provided with a slide 15, the inner end of the slide 15 is provided with a vertical spring 13, and the outer end of the vertical spring 13 is provided with an extended measuring nozzle 14. The slide 15 is embedded and installed at the outer end of the conical groove 3, the inner end of the slide 15 is movably connected to the vertical spring 13, and the vertical spring 13 is fixedly connected to the extended measuring nozzle 14, in order to facilitate the measurement of the measuring port 2. For the extension of the measuring port 2, the slide 15 is provided on the outer side of the conical groove 3, so that the extended measuring nozzle 14 is embedded in the slide 15. In the process of opening the ring cover 8, the vertical spring 13 provides the extended measuring nozzle 14 with an upward force, ensuring that the extended measuring nozzle 14 can extend out of the measuring port 2 in the process of opening the ring cover 8. Improve the accuracy of the measured data.

[0031] In summary, during use, the gas in the flow meter body 1 can be detected for convenience. Through the opened measuring port 2. The lower fan plate 4 and the upper fan plate 5 in the corresponding conical groove 3 are connected through the action of the linkage rod 11, so that the lower fan plate 4 and the upper fan plate 5 are connected through the linkage slide groove and the linkage slider 7 under the activity of the arc spring 12. Retract. So that when the ring cover 8 is opened along the linkage shaft 9 and the rotating shaft 10. The corresponding measuring port 2 can easily flow out the gas, and a vertical spring 13, an extended measuring nozzle 14, and a slide cylinder 15 are provided. In order to facilitate the measurement of the measuring port 2. For the extension of the measuring port 2, a slide cylinder 15 is provided on the outer side of the conical groove 3, so that the extended measuring nozzle 14 is embedded in the slide cylinder 15. In the process of opening the ring cover 8, the vertical spring 13 provides the extended measuring nozzle 14 with an upward force, ensuring that the extended measuring nozzle 14 can extend out of the measuring port 2 in the process of opening the ring cover 8. Improve the accuracy of the measured data.

[0032] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A gas turbine flowmeter for natural gas, characterized in that: The flow meter comprises a flow meter body (1), a measuring port (2) being provided at a side end of the flow meter body (1), a conical groove (3) being provided at the inner end of the measuring port (2), a linkage rod (11) being provided at the inner end of the conical groove (3), a lower sector plate (4) being provided at the outer end of the linkage rod (11), an upper sector plate (5) being provided at the upper end of the lower sector plate (4), and a linkage annular groove (6) and a linkage slider (7) being provided between the upper sector plate (5) and the lower sector plate (4).

2. A gas turbine flowmeter for natural gas according to claim 1, characterized in that: An arc spring (12) is provided between the upper sector plate (5) and the lower sector plate (4), a ring cover (8) is provided at the outer end of the linkage rod (11), a linkage shaft (9) is provided at the outer end of the ring cover (8), and a rotating shaft (10) is provided at the outer end of the linkage shaft (9).

3. A gas turbine flowmeter for natural gas according to claim 2, characterized in that: The conical groove (3) is embedded in the inner end of the flow meter body (1), the conical groove (3) is slidably connected to the linkage rod (11), the outer end of the linkage rod (11) is movably connected to the upper sector plate (5) and the lower sector plate (4), and the upper sector plate (5) and the lower sector plate (4) are slidably connected via a linkage ring groove (6) and a linkage slider (7).

4. A gas turbine flowmeter for natural gas according to claim 2, characterized in that: The linkage annular groove (6) is embedded in the inner end of the lower sector plate (4), the lower end of the upper sector plate (5) is connected to the linkage slider (7), and the linkage slider (7) slides along the linkage annular groove (6).

5. A gas turbine flowmeter for natural gas according to claim 4, characterized in that: The lower sector plate (4) and the upper sector plate (5) are both made of silicone material. The upper sector plate (5) and the lower sector plate (4) both rotate along the linkage rod (11). The arc spring (12) is embedded in the linkage ring groove (6).

6. A gas turbine flowmeter for natural gas according to claim 2, characterized in that: The ring cover (8) is clamped at the outer end of the linkage rod (11), the outer end of the ring cover (8) is fixedly connected to the linkage shaft (9), and the linkage shaft (9) is embedded in the inner end of the rotating shaft (10), and the lower end of the linkage shaft (9) is fixedly mounted on the upper end of the flow meter body (1).

7. A gas turbine flowmeter for natural gas according to claim 6, characterized in that: The outer end of the conical groove (3) is provided with a slide cylinder (15), the inner end of the slide cylinder (15) is provided with a vertical spring (13), and the outer end of the vertical spring (13) is provided with an extended measuring nozzle (14).

8. A gas turbine flowmeter for natural gas according to claim 7, characterized in that: The slide cylinder (15) is embedded in the outer end of the conical groove (3), the inner end of the slide cylinder (15) is movably connected to the vertical spring (13), and the vertical spring (13) is fixedly connected to the extended measuring nozzle (14).

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