Vortex shedding flowmeter suitable for high-heat environment

Abstract

The utility model relates to the technical field of vortex shedding flow meters, and discloses a vortex shedding flow meter suitable for a high-heat environment, which comprises a vortex shedding flow meter main body and a positioning disc fixedly connected to the input end and the output end of the vortex shedding flow meter main body, and the surface of the positioning disc is fixedly connected with a sealing gasket. Positioning assemblies are installed on the surface, away from the vortex shedding flowmeter body, of the sealing gasket at equal intervals. The positioning assembly and the adjusting assembly are installed, the bolt is rotated to drive the inner gear ring to rotate, the inner gear ring is meshed with the driving gears to enable the threaded rods to rotate synchronously, then the toothed plate and the fluted disc are driven to operate, the abutting plates abut against the surface of a pipeline flange plate, and due to the fact that the rotation angles of the abutting plates are consistent, the abutting plates can rotate stably. Compared with a traditional mode that multiple screws are tightened in sequence, in the scene of large-scale installation or quick equipment replacement, the sealing gasket can remarkably improve the working efficiency, reduce the labor cost and further avoid fluid leakage caused by untight sealing.

Description

TECHNICAL FIELD

[0001] The utility model relates to vortex flowmeter technical field more particularly to a kind of vortex flowmeter suitable for high heat environment. BACKGROUND

[0002] As a kind of velocity type flow measuring instrument, vortex flowmeter plays a key role in many industries, covering petroleum, chemical industry, electric power, metallurgy, heating, environmental protection and other fields, mainly used to measure the flow of natural gas, steam, water, oil and other types of fluid, in chemical production process, it can accurately measure the flow of raw materials and products, help the accurate control of production link;In heating system, it can also effectively monitor the flow of steam or hot water, guarantee the stable operation of heating.

[0003] When traditional vortex flowmeter is connected with pipeline, the input and output ends of liquid and pipeline are usually pasted with flange plate, and then fastened by multiple screws.This connection method is common, but has many drawbacks in actual operation.During installation, workers need to tighten multiple screws in sequence, and to ensure that the connection has good sealing and stability, specific sequence and torque requirements must be strictly followed.This operation process is tedious and time-consuming, especially in large-scale installation operations or emergency situations that require quick replacement of flowmeter, which can greatly affect work efficiency.Even if the screws are tightened according to standard procedures, due to the differences in manual operation, the tightening degree of each screw cannot be completely consistent, which can cause uneven force on the sealing ring of the flange plate, excessive force in some places and insufficient force in others, thereby affecting the sealing effect and causing frequent leakage problems.Especially when transporting high-pressure and highly corrosive liquids, once leakage occurs, it is likely to cause safety accidents, posing a threat to personnel safety, and also causing environmental pollution and serious consequences. CONTENT OF THE UTILITY MODEL

[0004] To overcome the above-mentioned defects of the prior art, the utility model provides a vortex flowmeter suitable for high heat environment to solve the problems existing in the above background art.

[0005] The utility model provides the following technical scheme: a kind of vortex flowmeter suitable for high heat environment, including vortex flowmeter main body and the positioning disc of fixed connection in the input and output end of vortex flowmeter main body, the surface of the positioning disc is fixedly connected with sealing gasket, the surface of the sealing gasket away from vortex flowmeter main body is installed with positioning assembly equidistantly, the inside of the positioning disc is installed with adjusting assembly;

[0006] The positioning assembly comprises a fixed rod fixedly connected to the surface of the positioning disc, a toothed plate slidably connected to the inside of the fixed rod, a threaded groove formed at the inside center of the toothed plate, a limiting rod inserted into the inside of the toothed plate, a toothed disc rotatably connected to the inside of the fixed rod, a resisting plate fixedly connected to the surface of the toothed disc, a threaded rod threadedly engaged with the threaded groove, a first fixed bearing fixedly mounted on the outer surface of the threaded rod, and a driving gear fixedly connected to the end of the threaded rod away from the toothed plate.

[0007] Further, the adjusting assembly comprises a second fixed bearing fixedly mounted in the inside of the positioning disc, an inner tooth ring fixedly connected to the inner ring of the second fixed bearing, a bevel gear ring fixedly connected to the side surface of the inner tooth ring, a bevel gear meshedly connected to the surface of the bevel gear ring, a bolt fixedly connected to the surface center of the bevel gear, and a rotating groove formed on the outer surface of the positioning disc.

[0008] Further, the sealing gasket is a silica gel ring, and the outer surfaces of the vortex flowmeter body and the positioning disc are sprayed with fluorine resin heat-resistant paint.

[0009] Further, the end of the limiting rod away from the toothed plate is fixedly connected to the inside of the fixed rod, the toothed plate is slidably connected to the inside of the fixed rod through the limiting rod, the surface of the toothed plate is meshedly connected to the surface of the toothed disc, and the resisting plate is rotatably connected to the inside of the fixed rod through the toothed disc.

[0010] Further, the outer ring of the first fixed bearing is fixedly connected to the inside of the positioning disc, the surface of the driving gear is meshedly connected to the inner wall of the inner tooth ring, and the inner tooth ring and the bevel gear ring are rotatably connected to the inside of the positioning disc.

[0011] Further, the outer surface of the bolt is fixedly mounted with a positioning bearing, the bolt is rotatably connected to the inside of the positioning disc through the positioning bearing, one end of the bolt away from the bevel gear extends into the inside of the rotating groove, and the surface of the bolt is not provided with threads.

[0012] The technical effects and advantages of the utility model are as follows:

[0013] 1.The utility model discloses a positioning assembly and an adjusting assembly are installed, after the rotation bolt, the inner tooth ring can be driven to rotate, the plurality of threaded rods can be driven to rotate simultaneously through the meshing of the inner tooth ring and the plurality of drive gears, the toothed plate is driven to slide through the rotation of the threaded rod, then the toothed disc is driven to rotate through the sliding of the toothed plate, the surface of the abutting plate is abutted on the surface of the flange disc at the pipeline connection, since the rotation angle of each abutting plate is consistent, therefore can guarantee that the surface of the sealing gasket is stressed evenly when the flange disc and the positioning disc surface are pasted, compared with the connection mode that the plurality of conventional screws are tightened in turn, this integrated operation mode is more simple and quick, reduces the installation steps and time, can significantly improve work efficiency in the scene of large-scale installation or the equipment that needs to be quickly replaced, reduces the labor cost, also avoids the problem that the sealing is not strict due to uneven stress, effectively prevents the leakage of fluid, for the pipeline system that conveys dangerous or expensive medium, can greatly improve the safety and reliability of the system, reduces the safety accidents, environmental pollution and medium waste caused by leakage.

[0014] 2.The utility model discloses a fluorocarbon ester heat -resistant paint is sprayed to the outside of vortex flowmeter main part and positioning disc and the sealing gasket is set to silica gel material, can make the equipment still can play maintain the stability of equipment structure in high heat environment, ensure that the equipment is normal operation, and the sealing gasket of silica gel material also has certain chemical stability, has good resistance to many chemical substances, can prevent damage due to contact with chemical substances, guarantee the sealing performance of equipment is not influenced by chemical corrosion. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structural schematic diagram of the utility model;

[0016] Figure 2 It is the sectional view of positioning disc and positioning assembly in the utility model;

[0017] Figure 3 It is the sectional view of position assembly in the utility model;

[0018] Figure 4 It is Figure 2 The enlarged view of A in the utility model.

[0019] The figure mark is: 1, vortex flowmeter main part;2, positioning disc;3, sealing gasket;4, positioning assembly;41, fixed rod;42, toothed plate;43, threaded groove;44, limit rod;45, abutting plate;46, toothed disc;47, threaded rod;48, first fixed bearing;49, drive gear;5, adjusting assembly;51, inner tooth ring;52, second fixed bearing;53, bevel gear ring;54, bevel gear;55, bolt;56, rotation groove. DETAILED DESCRIPTION

[0020] The utility model makes further explanation below combining specific embodiment, however familiar people in this field should understand, the detailed explanation given here combining the drawings is for better explanation, the structure of the utility model must exceed these limited embodiments, and for some equivalent replacement scheme or common means, this paper will not make detailed description, but still belongs to the protection scope of this application.

[0021] Figure 1 - Figure 4 The utility model is the best embodiment, the following will be combined with the drawings Figure 1 - Figure 4 The utility model makes further explanation.

[0022] Specifically, a vortex flowmeter suitable for high-temperature environment, including vortex flowmeter main part 1 and the positioning disc 2 of fixed connection in the input and output end of vortex flowmeter main part 1, the surface of positioning disc 2 is fixedly connected with sealing washer 3, and the surface of sealing washer 3 away from vortex flowmeter main part 1 is installed with positioning assembly 4 equidistantly, and the inside of positioning disc 2 is installed with adjusting assembly 5;

[0023] Positioning assembly 4 includes fixed rod 41 fixedly connected on the surface of positioning disc 2, and the inside of fixed rod 41 is slidably connected with toothed plate 42, and the inside center of toothed plate 42 is provided with screw groove 43, and the inside of toothed plate 42 is inserted with limiting rod 44, and the inside of fixed rod 41 is rotatably connected with toothed disc 46, and the surface of toothed disc 46 is fixedly connected with abutment plate 45, and the inside of screw groove 43 is screw-engaged with threaded rod 47, and the outer surface of threaded rod 47 is fixedly installed with first fixed bearing 48, and the end face of threaded rod 47 away from toothed plate 42 is fixedly connected with driving gear 49, and adjusting assembly 5 includes second fixed bearing 52 fixedly installed in the inside of positioning disc 2, and the inner ring of second fixed bearing 52 is fixedly connected with inner tooth ring 51, and the side of inner tooth ring 51 is fixedly connected with bevel gear ring 53, and the surface of bevel gear ring 53 is meshed with bevel gear 54, and the surface center of bevel gear 54 is fixedly connected with bolt 55, and the outer surface of positioning disc 2 is provided with rotating groove 56.

[0024] In the embodiment, by installing the positioning assembly 4 and the adjusting assembly 5, after rotating the bolt 55, the inner tooth ring 51 can be driven to rotate, through the meshing of the inner tooth ring 51 and the plurality of drive gears 49, the plurality of threaded rods 47 can be simultaneously driven to rotate, through the rotation of the threaded rods 47, the tooth plate 42 is driven to slide, and then through the sliding of the tooth plate 42, the tooth disc 46 is driven to rotate, so that the surface of the abutting plate 45 abuts against the surface of the flange plate at the pipe connection. Since the rotation angles of each abutting plate 45 are consistent, the surface of the sealing gasket 3 can be uniformly stressed when the flange plate is attached to the surface of the positioning disc 2. Compared with the traditional connection mode of sequentially tightening a plurality of screws, the integrated operation mode is more convenient and fast, the installation steps and time are reduced, the work efficiency can be significantly improved in large-scale installation or in a scene requiring rapid equipment replacement, the labor cost is reduced, the problem of poor sealing caused by uneven stress is avoided, fluid leakage is effectively prevented, the safety and reliability of the system can be greatly improved for a pipeline system conveying dangerous or expensive medium, and safety accidents, environmental pollution and medium waste caused by leakage are reduced.

[0025] Specifically, the sealing gasket 3 is a silica gel ring, and the outer surfaces of the vortex flowmeter body 1 and the positioning disc 2 are sprayed with fluorine resin heat-resistant paint.

[0026] In the embodiment, by spraying fluorine resin heat-resistant paint on the outer surfaces of the vortex flowmeter body 1 and the positioning disc 2 and setting the sealing gasket 3 to be made of silica gel, the device can still maintain the stability of the device structure in a high-temperature environment and ensure normal operation of the device. Moreover, the sealing gasket 3 made of silica gel also has certain chemical stability and good resistance to many chemicals, can prevent damage caused by contact with chemicals, and ensures that the sealing performance of the device is not affected by chemical corrosion.

[0027] Specifically, the end face of the limiting rod 44 away from the tooth plate 42 is fixedly connected to the inside of the fixed rod 41, the tooth plate 42 is slidably connected to the inside of the fixed rod 41 through the limiting rod 44, the surface of the tooth plate 42 is meshingly connected to the surface of the tooth disc 46, and the abutting plate 45 is rotatably connected to the inside of the fixed rod 41 through the tooth disc 46.

[0028] In the embodiment, through the left-right sliding of the tooth plate 42, the two side meshing tooth discs 46 can be simultaneously driven to rotate.

[0029] Specifically, the outer ring of the first fixed bearing 48 is fixedly connected to the inside of the positioning disc 2, the surface of the drive gear 49 is meshingly connected to the inner wall of the inner tooth ring 51, and the inner tooth ring 51 and the bevel gear ring 53 are both rotatably connected to the inside of the positioning disc 2.

[0030] In the embodiment, by rotating the inner tooth ring 51, a plurality of drive gears 49 can be simultaneously and synchronously driven to rotate.

[0031] Specifically, the outer surface of the bolt 55 is fixedly provided with a locating bearing, the bolt 55 is rotatably connected to the inside of the locating disc 2 through the locating bearing, and the end of the bolt 55 away from the bevel gear 54 extends into the rotating groove 56, and the surface of the bolt 55 is not provided with threads.

[0032] In the embodiment, by rotating the bolt 55, the bevel gear ring 53 can be driven to rotate by the bevel gear 54.

[0033] The working principle and use process of the utility model are as follows: in use, the locating disc 2 is close to the pipeline flange plate, all the fixing rods 41 pass through all the fixing holes on the flange plate, then the bolt 55 is rotated, the bolt 55 drives the bevel gear ring 53 to rotate through the bevel gear 54, the bevel gear ring 53 drives the drive gear 49 to rotate through the inner tooth ring 51, the drive gear 49 drives the toothed plate 42 to slide through the threaded rod 47, through the meshing of the toothed plate 42 and the toothed disc 46, when the toothed plate 42 slides, the toothed disc 46 is driven to rotate, the toothed disc 46 drives the abutting plate 45 to rotate, and the end surface of the abutting plate 45 abuts against the surface of the flange plate, until the locating disc 2 is sealed and attached to the surface of the flange plate through the sealing gasket 3, and then the bolt 55 is stopped, the connection and installation between the vortex shedding flowmeter main body 1 and the pipeline are completed, since the rotation angles of each abutting plate 45 are consistent, therefore, when the flange plate and the surface of the locating disc 2 are attached, the surface of the sealing gasket 3 is uniformly stressed, compared with the traditional connection mode of sequentially tightening a plurality of screws, this integrated operation mode is more simple and convenient, the installation steps and time are reduced, in the scene of large-scale installation or rapid equipment replacement, the work efficiency can be significantly improved, the labor cost is reduced, the problem of loose sealing caused by uneven stress is avoided, fluid leakage is effectively prevented, for the pipeline system conveying dangerous or expensive medium, the safety and reliability of the system can be greatly improved, safety accidents, environmental pollution and medium waste caused by leakage are reduced.

[0034] The above is only a preferred embodiment of the utility model, and does not limit the utility model in other forms, any skilled person in the art can change or modify the above disclosed technical content into equivalent embodiments with equivalent changes. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the utility model still belongs to the protection scope of the technical scheme of the utility model.

Claims

1. A vortex flowmeter suitable for high heat environment, comprising a vortex flowmeter body (1) and a positioning disc (2) fixedly connected to the input and output ends of the vortex flowmeter body (1), characterized in that: A sealing gasket (3) is fixedly connected to the surface of the positioning disk (2). A positioning component (4) is installed at equal intervals on the surface of the sealing gasket (3) away from the vortex flow meter body (1). An adjustment component (5) is installed inside the positioning disk (2). The positioning component (4) includes a fixed rod (41) fixedly connected to the surface of the positioning disk (2). A toothed plate (42) is slidably connected inside the fixed rod (41). A threaded groove (43) is provided at the center of the toothed plate (42). A limit rod (44) is inserted into the toothed plate (42). A toothed disk (46) is rotatably connected inside the fixed rod (41). A stop plate (45) is fixedly connected to the surface of the toothed disk (46). A threaded rod (47) is threadedly engaged inside the threaded groove (43). A first fixed bearing (48) is fixedly installed on the outer surface of the threaded rod (47). A drive gear (49) is fixedly connected to the end face of the threaded rod (47) away from the toothed plate (42).

2. A vortex flowmeter suitable for use in a high heat environment according to claim 1, wherein: The adjustment assembly (5) includes a second fixed bearing (52) fixedly installed inside the positioning disk (2). An internal gear ring (51) is fixedly connected to the inner ring of the second fixed bearing (52). A bevel gear ring (53) is fixedly connected to the side of the internal gear ring (51). A bevel gear (54) is meshed with the surface of the bevel gear ring (53). A bolt (55) is fixedly connected to the center of the surface of the bevel gear (54). A rotating groove (56) is opened on the outer surface of the positioning disk (2).

3. A vortex flowmeter suitable for use in a high heat environment according to claim 1, wherein: The sealing gasket (3) is a silicone ring, and the outer surfaces of the vortex flowmeter body (1) and the positioning plate (2) are coated with fluoropolymer heat-resistant coating.

4. A vortex flow meter suitable for high-heat environments according to claim 1, characterized in that: The end face of the limiting rod (44) away from the toothed plate (42) is fixedly connected to the inside of the fixing rod (41). The toothed plate (42) is slidably connected to the inside of the fixing rod (41) through the limiting rod (44). The surface of the toothed plate (42) is meshed with the surface of the toothed disc (46). The abutment plate (45) is rotatably connected to the inside of the fixing rod (41) through the toothed disc (46).

5. A vortex flow meter suitable for high-heat environments according to claim 2, characterized in that: The outer ring of the first fixed bearing (48) is fixedly connected to the inside of the positioning disk (2), and the surface of the drive gear (49) is meshed with the inner wall of the internal gear ring (51). The internal gear ring (51) and the bevel gear ring (53) are both rotatably connected to the inside of the positioning disk (2).

6. A vortex flow meter suitable for high-heat environments according to claim 2, characterized in that: The outer surface of the bolt (55) is fixedly mounted with a positioning bearing. The bolt (55) is rotatably connected to the inside of the positioning disk (2) through the positioning bearing. The end of the bolt (55) away from the bevel gear (54) extends into the inside of the rotating groove (56). The surface of the bolt (55) is not threaded.

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