CN214096196U - Novel large-caliber ultrasonic flowmeter - Google Patents

Abstract

The utility model discloses a novel large-caliber ultrasonic flowmeter, which belongs to the technical field of ultrasonic flowmeters and comprises a flowmeter, a signal box, a cable and a flow tube, wherein the cable is connected between the input end of the flowmeter and the output end of the signal box at the top end of the flow tube, rubber tubes are sleeved at the two ends of the cable, a spiral rubber belt is fixedly connected between the rubber tubes, metal ribs are embedded in the spiral rubber belt, the spiral rubber belt is spirally wound at the outer wall of the cable, an inner screw wall is turned at a flange A of the flow tube, an outer screw tube at the rear part of a round platform tube can be screwed into the inner screw wall, a flange B at the outer end of the round platform tube can be jointed with a larger pipeline disk body, then a screw hole of the flange B can be locked with a screw hole of the larger pipeline disk body by using a bolt, and the caliber of the outer screw connection type larger flange B is used for lifting the caliber of the flow tube, allowing it to engage the tray of larger tubing.

Description

Novel large-caliber ultrasonic flowmeter

Technical Field

The utility model relates to an ultrasonic flowmeter technical field especially relates to a novel heavy-calibre 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, and can be widely applied to the fields of petroleum, chemical engineering, metallurgy, electric power, water supply and drainage and the like.

Patent No. CN201621125034.4 discloses a novel heavy-calibre ultrasonic flowmeter transducer subassembly and heavy-calibre ultrasonic flowmeter, including transducer and fixed column, the fixed column includes first cylinder and second cylinder, and first cylinder is located the upper portion of fixed column, and the second cylinder is located the lower part of fixed column, and the lower part of first cylinder has first locating plane, first locating plane is for getting rid of the material formation on first cylinder circumference along being on a parallel with first cylinder axis direction. The rotation freedom degree of the fixing column is limited by the first positioning plane, so that the fixing column is accurately positioned.

1. When the ultrasonic flowmeter in the prior art is used, a flow tube is connected and installed with a plate body of a pipeline by virtue of a flange plate, and the flange plate of the flow tube is small in size and cannot be connected and installed with a larger pipeline flange plate.

2. The signal transmission is carried out through the cable between the signal box above the flow tube of the ultrasonic flowmeter in the prior art and the flowmeter, and the outside of the cable lacks better protection structure, and the cable rubs the pipe wall easily to form friction damage, so we propose a novel large-caliber ultrasonic flowmeter.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of novel heavy-calibre ultrasonic flowmeter can effectively solve above-mentioned problem.

The utility model provides a specific technical scheme as follows:

the utility model provides a pair of novel heavy-calibre ultrasonic flowmeter, including flowmeter, signal box, cable and flow tube, be connected with the cable between the input of flowmeter and the output of flow tube top signal box, and the both ends of cable have cup jointed the rubber tube, fixedly connected with spiral rubber area between the rubber tube, and the inside embedding of spiral rubber area has the metal muscle, spiral rubber area spiral winding is in the outer wall department of cable, the body both ends fixedly connected with ring flange A of flow tube, and ring flange A's inner wall department turning has interior screw wall, the middle part screw thread of interior screw wall has outer threaded pipe in turn, and the outer end intercommunication of outer threaded pipe is connected with the round platform venturi tube, the mouth of pipe department fixedly connected with ring flange B of round platform venturi tube, and the disk body surface of ring flange B has seted up the screw.

Optionally, the rubber ring is sleeved on the outer side of the circular truncated cone-shaped pipe, and a vertical ring is arranged at the bottom end of the rubber ring in a protruding mode.

Optionally, the metal bars inside the spiral rubber belt are provided with three groups, and the metal bars are made of aluminum alloy.

Optionally, the diameter of the opening of the flange B is larger than that of the opening of the flange a.

Optionally, the outer threaded pipe is made of carbon steel.

The utility model has the advantages as follows:

1. the utility model discloses a turning has interior spiral wall in the ring flange A department turning of flow tube, and the external screw thread pipe at round platform venturi tube rear can screw in interior spiral wall department connect soon, and the outer end of round platform venturi tube has ring flange B can joint with the disk body of great pipeline, then ring flange B's screw can with use bolt locking between the screw hole of great pipeline disk body, through the great ring flange B of outer formula of connecing that connects soon promotion flow tube's bore, make it can joint with the disk body of great pipeline, the problem of the little inconvenience of ring flange bore and great pipeline joint installation of current ultrasonic flowmeter has been solved.

2. The utility model discloses a rubber tube is cup jointed at the cable both ends between flowmeter and the signal box to there is spiral rubber tape spiral to twine in the surface of cable to surround the protection between the rubber tube, there is the metal muscle to carry out the flexibility in the spiral rubber tape simultaneously and prevents cutting off the support, and then there is the spiral rubber tape in the outside of cable to carry out the difficult friction damage of antifriction protection, has solved the problem that the communication cable outside of current ultrasonic flowmeter lacks protective structure.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of a novel large-caliber ultrasonic flowmeter according to an embodiment of the present invention.

Fig. 2 is a cross-sectional view of a spiral rubber belt of a novel large-diameter ultrasonic flowmeter according to an embodiment of the present invention.

In the figure: 1. a flow meter; 2. a signal box; 3. a cable; 4. a flow tube; 5. a rubber tube; 6. a spiral rubber belt; 601. a metal rib; 7. a flange A; 8. an inner spiral wall; 9. an externally threaded tube; 10. a circular truncated cone-shaped tube; 11. a flange B; 12. a screw hole; 13. a rubber ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, 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 efforts belong to the protection scope of the present invention.

A detailed description will be given below of a novel large-caliber ultrasonic flowmeter according to an embodiment of the present invention with reference to fig. 1 to 2.

Referring to fig. 1 and 2, a novel large-diameter ultrasonic flowmeter provided by an embodiment of the present invention includes a flowmeter 1, a signal box 2, a cable 3 and a flow tube 4, the cable 3 is connected between an input end of the flowmeter 1 and an output end of the signal box 2 at the top end of the flow tube 4, rubber tubes 5 are sleeved at two ends of the cable 3, a spiral rubber belt 6 is fixedly connected between the rubber tubes 5, a metal rib 601 is embedded inside the spiral rubber belt 6, the spiral rubber belt 6 is spirally wound at an outer wall of the cable 3, flanges a7 are fixedly connected at two ends of a tube body of the flow tube 4, an inner wall of the flange a7 is provided with an inner threaded wall 8, an outer threaded tube 9 is screwed at the middle of the inner threaded wall 8, an outer end of the outer threaded tube 9 is connected with a circular truncated cone tube 10 in an intercommunicating manner, a flange B11 is fixedly connected at an orifice of the circular cone tube 10, and the surface of the flange B11 is provided with a screw hole 12.

Illustratively, an inner threaded wall 8 is turned at a flange A7 of the flow pipe 4, and an outer threaded pipe 9 behind the circular truncated cone-shaped pipe 10 can be screwed into the inner threaded wall 8, and the outer end of the circular truncated tube 10 is provided with a flange B11 which can be jointed with the plate of a larger pipeline, the threaded holes 12 of the flange B11 can then be bolted to threaded holes in the larger tube tray, the caliber of the flow tube 4 is raised by the externally-screwed larger flange B11, so that it can be joined with the plate body of a larger pipeline, rubber tubes 5 are sleeved at two ends of a cable 3 between the flowmeter 1 and the signal box 2, a spiral rubber belt 6 is spirally wound on the surface of the cable 3 between the rubber tubes 5 for surrounding protection, and a metal rib 601 is arranged in the spiral rubber belt 6 for flexible anti-cutting support, and the outside of cable 3 has spiral rubber area 6 to carry out antifriction protection and be difficult for the friction damage.

Referring to fig. 1, a rubber ring 13 is sleeved on the outer side of the circular truncated cone-shaped pipe 10, and a vertical ring is protruded from the bottom end of the rubber ring 13.

For example, a hanging ring at the bottom end of the rubber ring 13 can be inserted downwards into the screwing part of the external thread pipe 9 and the flange A7 for embedding and sealing.

Referring to fig. 2, three sets of metal ribs 601 are provided inside the spiral rubber belt 6, and the metal ribs 601 are made of an aluminum alloy.

As an example, the metal ribs 601 made of more aluminum alloy can provide good internal anti-cutting support for the spiral rubber belt 6.

Referring to FIG. 1, the orifice diameter of the flange B11 is greater than the orifice diameter of the flange A7.

For example, the smaller flange a7 may be engaged with a larger pipe tray by means of the larger flange B11.

Referring to fig. 1, the external thread pipe 9 is made of carbon steel.

In an example, the external threaded pipe 9 made of carbon steel has high rigidity and high strength.

The utility model relates to a novel large-caliber ultrasonic flowmeter, an inner spiral wall 8 is turned at a flange A7 of a flow tube 4, an outer spiral tube 9 at the rear part of a circular truncated cone-shaped tube 10 can be screwed into the inner spiral wall 8 for screwing, and the outer end of the circular truncated tube 10 is provided with a flange B11 which can be jointed with the plate of a larger pipeline, the threaded holes 12 of the flange B11 can then be bolted to threaded holes in the larger tube tray, the caliber of the flow tube 4 is raised by the externally-screwed larger flange B11, so that it can be joined with the plate body of a larger pipeline, rubber tubes 5 are sleeved at two ends of a cable 3 between the flowmeter 1 and the signal box 2, a spiral rubber belt 6 is spirally wound on the surface of the cable 3 between the rubber tubes 5 for surrounding protection, and a metal rib 601 is arranged in the spiral rubber belt 6 for flexible anti-cutting support, and the outside of cable 3 has spiral rubber area 6 to carry out antifriction protection and be difficult for the friction damage.

It should be noted that the utility model relates to a novel large-caliber ultrasonic flowmeter, which comprises a flowmeter 1; 2. a signal box; 3. a cable; 4. a flow tube; 5. a rubber tube; 6. a spiral rubber belt; 601. a metal rib; 7. a flange A; 8. an inner spiral wall; 9. an externally threaded tube; 10. a circular truncated cone-shaped tube; 11. a flange B; 12. a screw hole; 13. the rubber ring, the components are all universal standard parts or components known to those skilled in the art, and the structure and principle of the rubber ring are known to those skilled in the art through technical manuals or through routine experiments.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (5)

1. The utility model provides a novel large-diameter ultrasonic flowmeter, includes flowmeter (1), signal box (2), cable (3) and flow tube (4), its characterized in that: a cable (3) is connected between the input end of the flowmeter (1) and the output end of the signal box (2) at the top end of the flow tube (4), and the two ends of the cable (3) are sleeved with rubber pipes (5), a spiral rubber belt (6) is fixedly connected between the rubber pipes (5), and a metal rib (601) is embedded in the spiral rubber belt (6), the spiral rubber belt (6) is spirally wound on the outer wall of the cable (3), two ends of the tube body of the flow tube (4) are fixedly connected with flange plates A (7), an inner threaded wall (8) is turned on the inner wall of the flange A (7), an outer threaded pipe (9) is screwed in the middle of the inner threaded wall (8), and the outer end of the external thread pipe (9) is connected with a circular truncated cone-shaped pipe (10) in an intercommunicating manner, the pipe orifice of the circular truncated cone-shaped pipe (10) is fixedly connected with a flange plate B (11), and the surface of the plate body of the flange plate B (11) is provided with a screw hole (12).

2. A novel large bore ultrasonic flow meter according to claim 1, wherein: the outer side of the circular truncated cone-shaped pipe (10) is sleeved with a rubber ring (13), and a vertical ring is arranged at the bottom end of the rubber ring (13) in a protruding mode.

3. A novel large bore ultrasonic flow meter according to claim 1, wherein: the spiral rubber belt (6) is characterized in that three groups of metal ribs (601) are arranged inside the spiral rubber belt (6), and the metal ribs (601) are made of aluminum alloy.

4. A novel large bore ultrasonic flow meter according to claim 1, wherein: the diameter of the opening of the flange plate B (11) is larger than that of the opening of the flange plate A (7).

5. A novel large bore ultrasonic flow meter according to claim 1, wherein: the outer threaded pipe (9) is made of carbon steel.

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