CN210293311U - Metering assembly of gas turbine flowmeter - Google Patents

Abstract

The utility model discloses a gas turbine flowmeter measures subassembly, including fixing device and metering device, fixing device includes fixed plate, spliced pole and backup pad, there is mounting plate the surface of fixed plate through the bolt fastening, mounting plate's surface welded fastening has the spliced pole, the inside of spliced pole is equipped with the limiting plate, the top welded fastening of limiting plate has the connecting rod, there is the backup pad at the top of connecting rod through the bolt fastening, the top intermediate position welded fastening of backup pad has the installation piece, threaded connection metering device on the installation piece, metering device includes connecting cylinder and turbine, the internally mounted of connecting cylinder has two sets of two poles of the earth rectifiers, the inside of connecting cylinder is equipped with the turbine. This gas turbine flowmeter measurement subassembly not only can guarantee the precision of measurement, can also guarantee the stability of counter in the work, the dismouting of the counter of being convenient for.

Description

Metering assembly of gas turbine flowmeter

Technical Field

The utility model belongs to the technical field of gas turbine flowmeter, concretely relates to gas turbine flowmeter measures subassembly.

Background

The gas turbine flowmeter is mainly used for measuring the flow of medium fluids such as air, nitrogen, oxygen, hydrogen, methane, natural gas, steam and the like in an industrial pipeline, and is hardly influenced by parameters such as fluid density, pressure, temperature, viscosity and the like when the working condition volume flow is measured. The gas vortex flowmeter adopts a piezoelectric stress sensor, has high reliability and can work within the working temperature range of-20 ℃ to +250 ℃. The flow meter has analog standard signals and digital pulse signals, is easy to be matched with digital systems such as computers for use, and is an advanced and ideal flow meter. Along with the wider application range of the gas turbine flowmeter, the requirements on the metering components of the flowmeter are increased, the flowmeter measurement can generate larger errors under the influence of multiple conditions such as pressure, temperature, magnetic field and the like in a complex measuring environment, but some high-precision flowmeters have complex structures and higher cost, and bring more inconvenience to the measurement; meanwhile, the fixing base of the gas turbine flowmeter which is commonly used at present is easy to move, so that a metering assembly of the flowmeter has certain potential safety hazard in the measuring process.

Therefore, in response to the current situation, there is a strong need to design and produce a gas turbine flowmeter metering assembly to meet the practical needs.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gas turbine flowmeter measurement subassembly to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a gas turbine flowmeter measurement subassembly, includes fixing device and metering device, fixing device includes fixed plate, spliced pole and backup pad, there are two sets of mounting plate on the surface of fixed plate through the bolt fastening, mounting plate's surface welded fastening has the spliced pole, the slip chamber has been seted up to the inside of spliced pole, and the slip intracavity is equipped with the limiting plate, circular opening has been seted up at the top of spliced pole, the top welded fastening of limiting plate has the connecting rod, the connecting rod passes the circular opening at spliced pole top and extends to the outside of spliced pole, the top welded fastening of connecting rod has the installation roof, the top of installation roof has the backup pad through the bolt fastening, the top intermediate position welded fastening of backup pad has the installation piece, threaded connection metering device on the installation piece.

Preferably, metering device includes connecting cylinder and turbine, the internally mounted of connecting cylinder has two sets of two poles of the earth rectifiers, and is two sets of two poles of the earth rectifiers distributes about the center pin symmetry of connecting cylinder, the inside of connecting cylinder is equipped with two sets of turbines, and is two sets of install the connecting piece between the turbine, pass through dead lever welded fastening on the lateral wall of connecting cylinder on.

Preferably, install pressure sensor and temperature sensor on the inner wall at the top of connecting cylinder, magnetic sensor is installed to pressure sensor and temperature sensor's below, magnetic sensor passes through the bolt fastening on the inner wall of connecting cylinder.

Preferably, the top of the connecting cylinder is fixedly welded with a connecting block, the top of the connecting block is provided with a threaded hole, and the bottom of the connecting cylinder is provided with a threaded groove.

Preferably, the bottom of limiting plate has been seted up the through-hole, another group of through-hole has been seted up to the bottom of spliced pole, is equipped with the spring in the through-hole, the one end and the limiting plate of spring carry out fixed connection, the other end and the spliced pole of spring carry out fixed connection.

The utility model discloses a technological effect and advantage: according to the metering assembly of the gas turbine flowmeter, the pressure sensor, the temperature sensor and the magnetic-sensitive sensor are arranged, so that the changes of pressure, temperature and a magnetic field in the measuring process can be detected in time, the detected data can be conveniently processed in the later period, and the detection precision is ensured; meanwhile, the metering assembly is simple in structure and low in use cost; through the arrangement of the springs in the fixed columns, vibration generated by the metering components on the supporting plate in the working process can be transmitted to the springs through the connecting rods to offset the vibration, so that the stability of the fixed plate is ensured, and potential safety hazards in the use process are reduced; simultaneously, the dismouting of measurement subassembly can be convenient for to the installation piece in the backup pad, and this gas turbine flowmeter measurement subassembly not only simple structure, and use cost is low, can guarantee the precision of measurement, can also guarantee the stability of counter in operation, the dismouting of the counter of being convenient for.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the fixing device of the present invention;

fig. 3 is a cross-sectional view of the metering device of the present invention.

In the figure: the device comprises a fixing device 1, a metering device 2, a fixing plate 3, a mounting bottom plate 4, a connecting column 5, a limiting plate 6, a spring 7, a connecting rod 8, a mounting top plate 9, a supporting plate 10, a mounting block 11, a connecting cylinder 12, a two-pole rectifier 13, a turbine 14, a magnetic sensor 15, a temperature sensor 16, a pressure sensor 17, a connecting block 18 and a thread groove 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Unless the direction is defined separately, the directions of up, down, left, right, front, back, etc. referred to herein are the directions of up, down, left, right, front, back, etc. in the drawings of the present invention, and are herein incorporated by reference.

The utility model provides a gas turbine flowmeter metering assembly as shown in figures 1-3, which comprises a fixing device 1 and a metering device 2, wherein the fixing device 1 comprises a fixing plate 3, a connecting post 5 and a supporting plate 10, two groups of mounting bottom plates 4 are fixed on the surface of the fixing plate 3 through bolts, the connecting post 5 is fixed on the surface of the mounting bottom plate 4 through welding, a sliding cavity is arranged inside the connecting post 5, a limiting plate 6 is arranged in the sliding cavity, a circular opening is arranged at the top of the connecting post 5, a connecting rod 8 is fixed on the top of the limiting plate 6 through welding, the connecting rod 8 passes through the circular opening at the top of the connecting post 5 and extends to the outside of the connecting post 5, a mounting top plate 9 is fixed on the top of the connecting rod 8 through welding, the supporting plate 10 is fixed on the top of the mounting top plate 9 through bolts, a mounting block 11 is fixed on the, the mounting block 11 is in threaded connection with the metering device 2.

Specifically, metering device 2 includes connecting cylinder 12 and turbine 14, the internally mounted of connecting cylinder 12 has two sets of two poles of the earth rectifiers 13, and is two sets of two poles of the earth rectifiers 13 are about the center pin symmetric distribution of connecting cylinder 12, the inside of connecting cylinder 12 is equipped with two sets of turbines 14, and is two sets of install the connecting piece between the turbine 14, pass through dead lever welded fastening on the lateral wall of connecting piece on the inner wall of connecting cylinder 12.

Specifically, install pressure sensor 17 and temperature sensor 16 on the inner wall at the top of connecting cylinder 12, temperature sensor 16's model is: WRM-101, the model number of pressure sensor 17 is: ZZ310-082, install the magnetic sensor 15 below pressure sensor 17 and temperature sensor 16, the model of magnetic sensor 15 is: and the magnetic sensor 15 is fixed on the inner wall of the connecting cylinder 12 through bolts.

Specifically, connecting block 18 is welded and fixed at the top of connecting cylinder 12, threaded holes are formed in the top of connecting block 18, so that the installation of the measuring instrument in later-period measurement is facilitated, threaded grooves 19 are formed in the bottom of connecting cylinder 12, and the assembly and disassembly of the measuring assembly can be facilitated.

Specifically, the through-hole has been seted up to the bottom of limiting plate 6, another group's through-hole has been seted up to the bottom of spliced pole 5, is equipped with spring 7 in the through-hole, spring 7's one end carries out fixed connection with limiting plate 6, spring 7's the other end carries out fixed connection with spliced pole 5, and the vibrations that the measurement subassembly during operation produced can offset through the spring, guarantees the stability in the course of the work.

Specifically, this gas turbine flowmeter measurement subassembly, when using, fix metering device 2 on the installation piece 11 at the roof top of fixing device 1 through the thread groove 19 of connecting cylinder 12 bottom, when needs examine gas flow, be connected to the pipeline with connecting cylinder 12, be connected with the detector on connecting block 18, gaseous inside through connecting cylinder 12, gaseous velocity of flow converts the rotational speed into turbine 14, turn into the rotational speed again on the signal of telecommunication transmits the detector, through pressure sensor 17, temperature sensor 16 and magnetic sensor 15 are to gaseous pressure, the temperature detects with the magnetic field intensity of surrounding environment, cooperation through backup pad 10 and connecting rod 8, the vibrations that make the measurement subassembly produce offset through limiting plate 6 and spring 7, guarantee the stability of fixed plate 3.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (5)

1. A gas turbine flowmeter metering assembly, comprising a fixture (1) and a metering device (2), characterized in that: the fixing device (1) comprises a fixing plate (3), a connecting column (5) and a supporting plate (10), wherein the surface of the fixing plate (3) is provided with two sets of mounting bottom plates (4) through bolts, the surface of each mounting bottom plate (4) is welded and fixed with the connecting column (5), the inside of each connecting column (5) is provided with a sliding cavity, a limiting plate (6) is arranged in the sliding cavity, the top of each connecting column (5) is provided with a circular opening, the top of each limiting plate (6) is welded and fixed with a connecting rod (8), each connecting rod (8) penetrates through the circular opening in the top of each connecting column (5) and extends to the outside of each connecting column (5), the top of each connecting rod (8) is welded and fixed with a mounting top plate (9), the top of each mounting top plate (9) is fixed with the supporting plate (10) through bolts, and the top middle position, the mounting block (11) is in threaded connection with the metering device (2).

2. A gas turbine flow meter metering assembly as set forth in claim 1 wherein: metering device (2) are including connecting cylinder (12) and turbine (14), the internally mounted of connecting cylinder (12) has two sets of two poles of the earth rectifiers (13), and is two sets of two poles of the earth rectifiers (13) are about the center pin symmetric distribution of connecting cylinder (12), the inside of connecting cylinder (12) is equipped with two sets of turbines (14), and is two sets of install the connecting piece between turbine (14), through dead lever welded fastening on the lateral wall of connecting cylinder (12).

3. A gas turbine flow meter metering assembly as set forth in claim 2 wherein: install pressure sensor (17) and temperature sensor (16) on the inner wall at the top of connecting cylinder (12), magnetism sensor (15) are installed to the below of pressure sensor (17) and temperature sensor (16), magnetism sensor (15) pass through the bolt fastening on the inner wall of connecting cylinder (12).

4. A gas turbine flow meter metering assembly as set forth in claim 2 wherein: the top of the connecting cylinder (12) is fixedly welded with a connecting block (18), the top of the connecting block (18) is provided with a threaded hole, and the bottom of the connecting cylinder (12) is provided with a threaded groove (19).

5. A gas turbine flow meter metering assembly as set forth in claim 1 wherein: the through-hole has been seted up to the bottom of limiting plate (6), another group's through-hole has been seted up to the bottom of spliced pole (5), is equipped with spring (7) in the through-hole, the one end of spring (7) carries out fixed connection with limiting plate (6), the other end and spliced pole (5) of spring (7) carry out fixed connection.

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