CN212082484U

CN212082484U - Natural gas ultrasonic flowmeter

Info

Publication number: CN212082484U
Application number: CN202020662897.5U
Authority: CN
Inventors: 吴闯
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-27
Filing date: 2020-04-27
Publication date: 2020-12-04
Anticipated expiration: 2030-04-27

Abstract

The utility model discloses a natural gas ultrasonic flowmeter, including sleeve and pipeline, telescopic both sides are all fixed to be equipped with pipeline, the fixed one end that has the pipe that runs through in telescopic top, the pipe is the L shape, the fixed flowmeter body that has run through in top of pipe, the bottom of flowmeter body extends to in the sleeve. When pipeline's atmospheric pressure was too high, the rupture membrane breaks, the barrel removes under the promotion of atmospheric pressure, the in-process of removal is exerted pressure to the spring, elastic deformation takes place for the spring because of the elastic property of self, the baffle is fixed the one end of spring, the impact force that produces when reducing the pressure release simultaneously, accomodate the piece after the rupture membrane through the barrel, avoid hindering other staff, cooperation through pipe and rupture membrane, the rupture membrane is fixed to in the pipe, prevent that pipeline explosion from causing the damage of flowmeter body, the probability that the work that makes the flowmeter body can be stable reduces the damage.

Description

Natural gas ultrasonic flowmeter

Technical Field

The utility model relates to a natural gas ultrasonic flowmeter technical field, concrete field is a natural gas ultrasonic flowmeter.

Background

The invented ultrasonic flow meter is based on the principle of "speed difference method" and is used for measuring the flow of liquid in circular tube. The flow meter adopts advanced multi-pulse technology, signal digital processing technology and error correction technology, so that the flow meter can be more suitable for the environment of an industrial field, and the metering is more convenient, economic and accurate. The product reaches the advanced level at home and abroad, can be widely applied to the fields of petroleum, chemical industry, metallurgy, electric power, water supply and drainage and the like, and after the natural gas ultrasonic flowmeter is installed, when the air pressure in an accidental pipeline is unstable, the accident of explosion is easily caused at the installation position, and the natural gas ultrasonic flowmeter is extremely easy to damage, so that the practicability is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a natural gas ultrasonic flowmeter 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: a natural gas ultrasonic flowmeter comprises a sleeve and a conveying pipeline, wherein the conveying pipeline is fixedly assembled on two sides of the sleeve, one end of a guide pipe penetrates through the top end of the sleeve, the guide pipe is L-shaped, a flowmeter body penetrates through the top end of the guide pipe, the bottom end of the flowmeter body extends into the sleeve, a frame is fixedly assembled on the inner wall of the guide pipe, an explosion-proof membrane is fixedly assembled on the inner wall of the frame, a groove is formed in the inner wall of the other end of the guide pipe, one end of a cylinder is inserted into the inner wall of the other end of the guide pipe, a sealing ring is sleeved on the outer wall of the cylinder and positioned in the groove, a partition plate is fixedly assembled on the other end of the cylinder, one end of a spring is fixedly assembled on one side face, away from the cylinder, of the partition plate, a baffle plate is, the inner wall of barrel is fixed and is equipped with first ring, the inner wall of first ring runs through the one end that has plastic film, plastic film's inner wall is equipped with the second ring, second ring joint is in first ring.

Preferably, the inner wall of pipe is fixed and is equipped with the framework, the framework is located between flowmeter body and the frame, the side that the framework is close to the frame articulates and is equipped with the roof, the roof is kept away from the articulated one end that is equipped with the second connecting rod of a side bottom of framework, the articulated one end that is equipped with first connecting rod of the other end of second connecting rod, the articulated assembly of the other end and the pipe of first connecting rod.

Preferably, the outer wall of one end of the plastic film, which is far away from the first circular ring, is sleeved with a rubber ring.

Preferably, a support rod is fixedly assembled between the flowmeter body and the guide pipe.

Preferably, the inner wall of the first circular ring is provided with a clamping groove, and the second circular ring is clamped in the clamping groove.

Preferably, the number of the connecting rods is two, and the two connecting rods are respectively positioned at the upper side and the lower side of the guide pipe.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a natural gas ultrasonic flowmeter, cooperation through barrel and spring, when pipeline's atmospheric pressure is too high, the rupture membrane breaks, the barrel removes under the promotion of atmospheric pressure, the in-process of removal is exerted pressure to the spring, the spring takes place elastic deformation because of the elastic property of self, the baffle is fixed the one end of spring, the impact force that produces when reducing the pressure release simultaneously, the piece after breaking the rupture membrane through the barrel is accomodate, avoid hindering other staff, cooperation through pipe and rupture membrane, when pipeline wherein one section is plugged up unable normal transport, atmospheric pressure in the pipeline increases, can make the rupture membrane break, the rupture membrane is fixed to in the pipe, prevent that pipeline explosion from causing the damage of flowmeter body, the probability that the work that makes the flowmeter body can be stable reduces the damage, and the practicality is strong.

Drawings

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

FIG. 2 is a schematic view of the structure at A in FIG. 1;

FIG. 3 is a sectional view of the barrel structure of the present invention;

fig. 4 is a side view of the top plate structure of the present invention.

In the figure: the flow meter comprises a sleeve 1, a conveying pipeline 2, a guide pipe 3, a flow meter body 4, a frame 5, an explosion-proof membrane 6, a groove 7, a cylinder 8, a sealing ring 9, a partition plate 10, a connecting rod 11, a spring 12, a baffle 13, a first ring 14, a plastic film 15, a second ring 16, a rubber ring 17, a frame 18, a top plate 19, a first connecting rod 20, a second connecting rod 21 and a support rod 22.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a natural gas ultrasonic flowmeter comprises a sleeve 1 and a conveying pipeline 2, the conveying pipeline 2 is fixedly assembled on two sides of the sleeve 1, one end of a guide pipe 3 is fixedly penetrated through the top end of the sleeve 1, the guide pipe 3 is L-shaped, a flowmeter body 4 is fixedly penetrated through the top end of the guide pipe 3, the bottom end of the flowmeter body 4 extends into the sleeve 1, a frame 5 is fixedly assembled on the inner wall of the guide pipe 3, an explosion-proof membrane 6 is fixedly assembled on the inner wall of the frame 5, a groove 7 is formed in the inner wall of the other end of the guide pipe 3, one end of a cylinder 8 is inserted into the inner wall of the other end of the guide pipe 3, a sealing ring 9 is sleeved on the outer wall of the cylinder 8, the sealing ring 9 is positioned in the groove 7, a partition plate 10 is fixedly assembled on the other end of the cylinder 8, one end of a spring 12 is fixedly assembled on one side, the inner wall of barrel 8 is fixed and is equipped with first ring 14, and the inner wall of first ring 14 runs through the one end that has plastic film 15, and plastic film 15's inner wall is equipped with second ring 16, and second ring 16 joint is in first ring 14.

The sleeve 1 is used for connecting two conveying pipelines 2, the flowmeter body 4 penetrates through the conduit 3 and extends into the sleeve 1, the flow of passing natural gas is measured, when the conveying pipelines 2 are blocked and conveying is abnormal, the anti-explosion membrane 6 can be broken when the air pressure in the conveying pipelines 2 and the sleeve 1 is increased, the anti-explosion membrane 6 is made of aluminum foil, cross-shaped marks are printed on the surface of the anti-explosion membrane, after the anti-explosion membrane 6 is broken, the air pressure pushes the barrel 8 and the partition plate 10 to move towards the outer side in the conduit 3, at the moment, the sealing ring 9 on the outer wall of the barrel 8 is separated from the groove 7, the groove 7 is annular, the contact area between the sealing ring 9 and the spring 12 can be increased, so that friction force is increased, the barrel 8 applies pressure to the spring 12 in the moving process, the spring 12 is elastically deformed due to the elastic performance of the spring, the baffle 13 fixes one end of the, the piece after rupture of rupture membrane 6 is deposited in barrel 8, avoids hindering other staff, prevents simultaneously that pipeline 2 explosion from causing the damage of flowmeter body 4, makes the work that flowmeter body 4 can be stable.

Specifically, the inner wall of the conduit 3 is fixedly assembled with a frame 18, the frame 18 is located between the flowmeter body 4 and the frame 5, one side surface of the frame 18 close to the frame 5 is hinged with a top plate 19, the bottom end of one side surface of the top plate 19 far away from the frame 18 is hinged with one end of a second connecting rod 21, the other end of the second connecting rod 21 is hinged with one end of a first connecting rod 20, and the other end of the first connecting rod 20 is hinged with the conduit 3.

When the internal air pressure of the conduit 3 is increased, the top plate 19 is pushed to be pulled, the frame body 18 supports the top plate 19, the first connecting rod 20 and the second connecting rod 21 are driven to swing in the swinging process of the top plate 19, the top plate 19 protects the explosion-proof membrane 6, and dust is attached to the explosion-proof membrane 6 when daily use is avoided, so that the normal use of the explosion-proof membrane 6 is influenced.

Specifically, the outer wall of one end of the plastic film 15 away from the first circular ring 14 is sleeved with a rubber ring 17.

Rubber circle 17 is fixed the port of plastic film 15, damages the back when rupture membrane 6, and the piece that produces is deposited barrel 8 through plastic film 15 in, and rubber circle 17 is quick under the effect of atmospheric pressure opens simultaneously, behind the pressure release in the pipe 3, and rubber circle 17 resumes original state, tightens up plastic film 15's opening, avoids entering into the piece in the barrel 8 and spills over once more.

Specifically, a strut 22 is fixedly fitted between the flowmeter body 4 and the conduit 3.

The struts 22 provide further connection between the flowmeter body 4 and the conduit 3, thereby making the flowmeter body 4 more stable in fixation.

Specifically, the inner wall of the first ring 14 is provided with a slot, and the second ring 16 is clamped in the slot.

The inner wall of the first circular ring 14 is provided with a clamping groove, the second circular ring 16 can be clamped into the clamping groove, the clamping groove can increase the contact area between the first circular ring 14 and the second circular ring 16, and therefore the second circular ring 16 is more firm in fixation of the plastic film.

Specifically, the number of the connecting rods 11 is two, and the two connecting rods 11 are respectively located at the upper and lower sides of the guide tube 3.

The fixing of the flap 13 can be made more stable with the common fixing of the two connecting rods 11.

The working principle is as follows: the sleeve 1 is used for connecting two conveying pipelines 2, a flowmeter body 4 extends to the interior of the sleeve 1 through a guide pipe 3, the flow of the natural gas is measured, when the conveying pipeline 2 is blocked and the conveying is abnormal, when the air pressure in the conveying pipeline 2 and the sleeve 1 is increased, the explosion-proof membrane 6 is broken, the air pressure pushes the cylinder 8 and the partition plate 10 to move towards the outer side in the guide pipe 3, the sealing ring 9 on the outer wall of the cylinder 8 is separated from the groove 7 at the moment, the cylinder 8 applies pressure to the spring 12 in the moving process, the spring 12 generates elastic deformation due to the self elastic performance, the baffle 13 fixes one end of the spring 12, meanwhile, the impact force generated during pressure relief is reduced, fragments generated after the rupture membrane 6 is ruptured are stored in the cylinder body 8, other workers are prevented from being injured, meanwhile, the conveying pipeline 2 is prevented from being exploded to cause the damage of the flowmeter body 4, so that the flowmeter body 4 can stably work.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and setting are equipped with and all adopt prior art, and conventional model is including circuit connection adopts conventional connection mode among the prior art, and the detail is not repeated here.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a natural gas ultrasonic flowmeter, includes sleeve (1) and pipeline (2), the equal fixed equipment in both sides of sleeve (1) has pipeline (2), its characterized in that: the flowmeter is characterized in that one end of a guide pipe (3) is fixedly penetrated through the top end of a sleeve (1), the guide pipe (3) is L-shaped, a flowmeter body (4) is fixedly penetrated through the top end of the guide pipe (3), the bottom end of the flowmeter body (4) extends into the sleeve (1), a frame (5) is fixedly assembled on the inner wall of the guide pipe (3), an explosion-proof membrane (6) is fixedly assembled on the inner wall of the frame (5), a groove (7) is formed in the inner wall of the other end of the guide pipe (3), one end of a cylinder body (8) is inserted into the inner wall of the other end of the guide pipe (3), a sealing ring (9) is sleeved on the outer wall of the cylinder body (8), the sealing ring (9) is positioned in the groove (7), a partition plate (10) is fixedly assembled on the other end of the cylinder body (8), and one end of a spring (12), the other end fixed assembly of spring (12) has baffle (13), fixed assembly has connecting rod (11) between baffle (13) and barrel (8), the inner wall fixed assembly of barrel (8) has first ring (14), the inner wall of first ring (14) runs through the one end that has plastic film (15), the inner wall of plastic film (15) is equipped with second ring (16), second ring (16) joint is in first ring (14).

2. The ultrasonic natural gas flowmeter of claim 1, wherein: the inner wall of pipe (3) is fixed to be equipped with framework (18), framework (18) are located between flowmeter body (4) and frame (5), a side that framework (18) are close to frame (5) is articulated to be equipped with roof (19), the articulated one end that is equipped with second connecting rod (21) of a side bottom that framework (18) were kept away from in roof (19), the articulated one end that is equipped with first connecting rod (20) of the other end of second connecting rod (21), the articulated assembly of the other end and pipe (3) of first connecting rod (20).

3. The ultrasonic natural gas flowmeter of claim 1, wherein: and a rubber ring (17) is sleeved on the outer wall of one end, far away from the first circular ring (14), of the plastic film (15).

4. The ultrasonic natural gas flowmeter of claim 1, wherein: and a support rod (22) is fixedly assembled between the flowmeter body (4) and the guide pipe (3).

5. The ultrasonic natural gas flowmeter of claim 1, wherein: the inner wall of the first circular ring (14) is provided with a clamping groove, and the second circular ring (16) is clamped in the clamping groove.

6. The ultrasonic natural gas flowmeter of claim 1, wherein: the number of the connecting rods (11) is two, and the two connecting rods (11) are respectively positioned at the upper side and the lower side of the guide pipe (3).