All-welded ultrasonic heat meter pipe section

Abstract

The utility model discloses an all-welded ultrasonic heat meter pipe section, which belongs to the field of welding and comprises a pipe section, mounting bases are arranged at two ends of a pipe orifice of the pipe section, and a plurality of transducer bases and a plurality of reflecting upright posts are respectively arranged at the upper end and the lower end of the pipe section. Compared with the prior art, the device has the advantages that during welding, the transducer base calibration column is inserted into the inner wall of the transducer base and the transducer base interface of the pipe section, and the compression ring sleeve above the transducer base calibration column is clamped into the two ear side walls of the transducer fixing compression ring; the position of the reflection stand column calibration column below the transducer base calibration column is fixed, and after the reflection stand column is inserted into the pipe section, the inclined plane of the reflection stand column calibration column is connected with the inclined plane of the reflection stand column; the calibration column A penetrates through the threaded connector and a threaded connector port of the pipe section, the thick column end of the calibration column A is fixed to a port of the threaded connector, and the threaded end of the calibration column A is fixed through a screw hole of the calibration column B.

Description

Technical Field

[0001] The utility model relates to the field of welding, in particular to a fully welded ultrasonic heat meter pipe section. Background Art

[0002] Ultrasonic heat meters use ultrasonic methods to measure flow and display the heat energy released or absorbed by water flowing through a heat exchange system. They measure the water flow through the ultrasonic heat meter pipe section to visualize the data. Conventional ultrasonic heat meter pipe sections are generally cast, then machined, and finally sandblasted. This processing method has high raw material costs, thick pipe wall, complex process, high cost, and high labor costs. In order to improve the traditional processing technology, people now use a fully welded ultrasonic heat meter pipe section processing method.

[0003] Existing fully welded ultrasonic heat meter pipe sections are usually drilled on the side walls of the pipe sections using drilling equipment. The size and position of the holes are the same as the inner wall hole size of the mounting base, transducer base, reflective column and threaded interface. These holes are then concentrically aligned and welded in sequence using laser welding equipment. Finally, the transducer base is aligned with the transducer fixing ring and laser welding is performed.

[0004] Compared with the traditional casting processing method, this fully welded ultrasonic heat meter pipe segment has the advantages of faster production and lighter materials. However, during the welding process, the pipe segment interface and the various assembly parts cannot be calibrated, so that when the workpiece is welded, the workpiece moves continuously with the welding process, and the pipe segment interface and the various assembly parts are often misaligned, resulting in poor sealing of the product during use and easy breakage of the welding joint. Utility Model Content

[0005] The technical problem to be solved by the utility model is that the pipe section interface and each assembly part cannot be calibrated during welding.

[0006] In order to solve the above technical problems, the technical solution provided by the utility model is: a fully welded ultrasonic heat meter pipe section, including a pipe section, mounting bases are provided at both ends of the pipe mouth of the pipe section, and a plurality of transducer bases and a plurality of reflective columns are respectively provided at the upper and lower ends of the pipe section, one end of the cylindrical surface of the reflective column is an inclined surface, the inclined end of the reflective column passes through the pipe section, and the inclined ends of the reflective columns form a U-shaped reflection structure inside the pipe section, a threaded interface is provided on one side of the cylindrical surface of the pipe section, and the threaded interface forms an angle with the cylindrical surface of the pipe section, and a transducer fixing pressure ring for fixing the transducer base is provided on the outer wall end of the transducer base, the mounting base, the transducer base, the reflective column, and the threaded interface are all welded to the pipe section by laser welding equipment, and the transducer base, the reflective column and the threaded interface are all position-checked with the corresponding interface on the pipe section by a calibration device.

[0007] As an improvement, the transducer base is welded to the transducer fixing ring by laser welding equipment, and the axial direction of the saddle mouth of the transducer base and the two ears of the transducer fixing ring form an angle of 90 degrees.

[0008] As an improvement, the calibration device includes a transducer base calibration column for calibrating the transducer base and the pipe section and a threaded interface calibration mechanism for calibrating the threaded interface and the pipe section. The transducer base calibration column passes through the inner wall of the transducer base and the transducer base interface on the pipe section, and the bottom end of the transducer base calibration column is provided with a reflection column calibration column in the direction of the inclined end of the calibration reflection column.

[0009] As an improvement, the threaded interface calibration mechanism includes a calibration A column for calibrating the calibration threaded interface and the pipe section threaded interface and a calibration B column for fixing the calibration A column. The calibration A column is a T-shaped column, and the thin column of the calibration A column passes through the side wall of the calibration B column. The calibration B column is located in the inner tube of the pipe section.

[0010] As an improvement, the inclined end of the reflection column forms an angle of 90 degrees with the two ears of the transducer fixing pressure ring, the base calibration column passes through the inner wall hole of the transducer base and the transducer base interface of the pipe section, and a pressure ring sleeve corresponding to the transducer fixing pressure ring is provided above the base calibration column.

[0011] As an improvement, the calibration B-pillar is connected to the calibration A-pillar via a bolt structure, and the inner wall of the pressure ring sleeve and the outer wall of the transducer fixing pressure ring are contacted and slidably sealed via the body.

[0012] As an improvement, the pipe segment is suitable for a caliber of DN15-40, and the laser welding is suitable for making pipe segments between 1.5-2.5 mm.

[0013] Compared with the prior art, the advantages of the utility model are as follows: during welding, the device inserts the transducer base calibration column into the inner wall of the transducer base and the transducer base interface of the pipe section, and the pressure ring sleeve above the transducer base calibration column is clamped into the two ear side walls of the transducer fixing pressure ring, so that the position of the reflection column calibration column below the transducer base calibration column is fixed, and when the reflection column is inserted into the pipe section, the inclined surface of the reflection column calibration column is connected with the inclined surface of the reflection column; the calibration A column passes through the threaded interface and the threaded interface opening of the pipe section, the thick column end of the calibration A column is fixed at the port of the threaded interface, and the threaded end of the calibration A column is fixed through the screw hole of the calibration B column. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model discloses a general structural diagram of a fully welded ultrasonic heat meter pipe section.

[0015] Figure 2It is an exploded view of the overall structure of a fully welded ultrasonic heat meter pipe section of the utility model.

[0016] Figure 3 The utility model discloses a cross-sectional view of a threaded interface of a fully welded ultrasonic heat meter pipe section.

[0017] Figure 4 The utility model discloses an exploded view of a calibration device for a fully welded ultrasonic heat meter pipe section.

[0018] Figure 5 The utility model is a cross-sectional view of a calibration device for a fully welded ultrasonic heat meter pipe section.

[0019] As shown in the figure: 1. Pipe section; 2. Mounting base; 3. Transducer base; 4. Reflection column; 5. Threaded interface; 6. Transducer fixing pressure ring; 7. Calibration device; 71. Transducer base calibration column; 72. Threaded interface calibration mechanism; 721. Calibration A column; 722. Calibration B column; 73. Reflection column calibration column; 74. Pressure ring sleeve. DETAILED DESCRIPTION

[0020] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0021] As the instruction manual Figure 1 , 2 , 3, comprising a pipe section 1, a mounting base 2 is provided at both ends of the pipe mouth of the pipe section 1, a plurality of transducer bases 3 and a plurality of reflective columns 4 are provided at the upper and lower ends of the pipe section 1, respectively, a cylindrical surface at one end of the reflective column 4 is an inclined surface, the inclined surface end of the reflective column 4 passes through the pipe section 1, and the inclined surface ends of the reflective columns 4 form a U-shaped reflection structure inside the pipe section, a threaded interface 5 is provided on one side of the cylindrical surface of the pipe section 1, and the threaded interface 5 forms an angle with the cylindrical surface of the pipe section 1, a transducer fixing pressure ring 6 for fixing the transducer base 3 is provided on the outer wall end of the transducer base 3, and the mounting base 2, the transducer base 3, the reflective column 4, and the threaded interface 5 are all connected The transducer base 3 is welded to the transducer fixing ring 6 through laser welding equipment. The axial direction of the saddle mouth of the transducer base 3 and the two ears of the transducer fixing ring 6 form an angle of 90 degrees. The applicable diameter of the pipe segment 1 is DN15-40. The laser welding is suitable for making pipe segments 1 between 1.5-2.5mm. The various interfaces of the pipe segment 1 are aligned with the transducer base 3, the reflection column 4, and the threaded interface 5 in sequence, and they are welded using laser welding equipment. The mounting base 2 is sleeved on the two end faces of the pipe mouth of the pipe segment 1, and the end face of the pipe mouth of the pipe segment 1 is aligned with the outer side face of the mounting base 2, and then welded using laser welding equipment.

[0022] As the instruction manual Figure 4 , 5As shown, the transducer base 3, the reflection column 4 and the threaded interface 5 are all positionally checked with the corresponding interfaces on the pipe section 1 through the calibration device 7. The calibration device 7 includes a transducer base calibration column 71 for calibrating the transducer base 3 and the pipe section 1 and a threaded interface calibration mechanism 72 for calibrating the threaded interface 5 and the pipe section 1. The transducer base calibration column 71 passes through the inner wall of the transducer base 3 and the transducer base interface on the pipe section 1. The bottom end of the transducer base calibration column 71 is provided with a reflection column calibration column 73 for calibrating the inclined surface end direction of the reflection column 4. The threaded interface calibration mechanism 72 includes a calibration A column 721 for calibrating the threaded interface 5 and the pipe section 1 threaded interface and a calibration B column 722 for fixing the calibration A column 721. The calibration A column 721 is a T-shaped column. The thin column of the quasi-A column 721 passes through the side wall of the calibration B column 722, and the calibration B column 722 is located in the inner tube of the pipe section 1. The inclined end of the reflection column 4 forms a 90-degree angle with the two ears of the transducer fixed pressure ring 6. The base calibration column 71 passes through the inner wall hole of the transducer base 3 and the transducer base interface of the pipe section 1. A pressure ring sleeve 74 corresponding to the transducer fixed pressure ring 6 is provided above the base calibration column 71. The calibration B column 722 is connected to the calibration A column 721 through a bolt structure, and the inner wall of the pressure ring sleeve 74 is sealed with the outer wall of the transducer fixed pressure ring 6 through the body contact sliding. The transducer base 3, the reflection column 4, the threaded interface 5 and the corresponding interfaces of the pipe section 1 are aligned and fixed through the calibration device 7 to avoid movement and deviation during welding.

[0023] During the specific implementation of the utility model, a drilling tool is used to punch corresponding interfaces of the transducer base 3, the reflection column 4, and the threaded interface 5 on the side wall of the pipe section 1. The interface of the transducer base 3 and the interface of the reflection column 4 share a center line, and the interface angle is determined according to demand; a cutting device is used to cut out an outer diameter notch of the pipe section 1 on the bottom surface of the transducer base 3 and the threaded interface 5.

[0024] During welding, the transducer fixing pressure ring 6 is sleeved on the outer wall of the transducer base 3, so that the axial direction of the saddle mouth of the transducer base 3 and the two ears of the transducer fixing pressure ring 6 form an angle of 90 degrees, and the two are connected using laser welding equipment; the transducer base calibration column 71 is inserted into the internal cavity of the transducer base 3, and the pressure ring sleeve 74 above the transducer base calibration column 71 is stuck next to the two ears of the transducer fixing pressure ring 6; the transducer base calibration column 71 is inserted into the multiple transducer base 3 interfaces on the side wall of the pipe section 1, at this time, the inclined surfaces of the reflection column calibration columns 73 below the transducer base calibration column 71 are facing back to back, and the inclined end of the reflection column 4 is inserted into the reflection column interface of the pipe section 1, and the inclined end of the reflection column 4 is calibrated by the reflection column calibration column 73. The inclined ends of each reflective column 4 form a U-shaped reflection structure inside the pipe section; the mounting base 2 is sleeved on both ends of the pipe mouth of the pipe section 1, so that the end face of the pipe mouth of the pipe section 1 is aligned with the outer side surface of the mounting base 2; the calibration B column 722 is inserted into the side pipe mouth of the pipe section 1, so that the threaded hole of the calibration B column 722 is aligned with the port of the threaded interface 5 on the side of the pipe section 1, and the thin column end of the calibration A column 721 is passed through the internal hole of the threaded interface 5 and the port of the threaded interface 5 on the side of the pipe section 1, and screwed into the threaded hole of the calibration B column 722. The threaded interface 5 is sealed and connected to the side wall of the pipe section 1 under the push of the bolt structure. Finally, the laser welding equipment is started to weld the various interfaces of the pipe section 1 in turn. After cooling, the calibration device 7 is taken out and the above operation is repeated for re-processing.

[0025] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A fully welded ultrasonic heat meter pipe section, comprising a pipe section (1), wherein both ends of the pipe opening of the pipe section (1) are provided with mounting bases (2), the upper and lower ends of the pipe section (1) are respectively provided with a plurality of transducer bases (3) and a plurality of reflective columns (4), one end of the cylindrical surface of the reflective column (4) is an inclined surface, the inclined surface end of the reflective column (4) passes through the pipe section (1), and the inclined surface ends of the reflective columns (4) form a U-shaped cross-reflection structure inside the pipe section, a threaded interface (5) is provided on one side of the cylindrical surface of the pipe section (1), and the threaded interface (5) forms an angle with the cylindrical surface of the pipe section (1), and a transducer fixing pressure ring (6) for fixing the transducer base (3) is provided on the outer wall end of the transducer base (3), characterized in that: The mounting base (2), the transducer base (3), the reflective column (4), and the threaded interface (5) are all welded to the pipe section (1) by means of laser welding equipment, and the transducer base (3), the reflective column (4), and the threaded interface (5) are all positionally calibrated with corresponding interfaces on the pipe section (1) by means of a calibration device (7).

2. A fully welded ultrasonic heat meter pipe section according to claim 1, characterized in that: The transducer base (3) is welded to the transducer fixing pressure ring (6) by means of laser welding equipment, and the axial direction of the saddle mouth of the transducer base (3) and the two ears of the transducer fixing pressure ring (6) form an angle of 90 degrees.

3. The fully welded ultrasonic heat meter pipe section according to claim 1, characterized in that: The calibration device (7) comprises a transducer base calibration column (71) for calibrating the transducer base (3) and the pipe section (1) and a calibration mechanism (72) for calibrating the threaded interface (5) and the threaded interface of the pipe section (1). The transducer base calibration column (71) passes through the inner wall of the transducer base (3) and the transducer base interface on the pipe section (1). A reflection column calibration column (73) is provided at the bottom end of the transducer base calibration column (71) in the direction of the inclined surface end of the calibration reflection column (4).

4. A fully welded ultrasonic heat meter pipe section according to claim 3, characterized in that: The threaded interface calibration mechanism (72) comprises a calibration A column (721) for calibrating the calibration threaded interface (5) and the threaded interface of the pipe section (1), and a calibration B column (722) for fixing the calibration A column (721), wherein the calibration A column (721) is a T-shaped column, and a thin column of the calibration A column (721) passes through a side wall of the calibration B column (722), and the calibration B column (722) is located in an inner tube of the pipe section (1).

5. A fully welded ultrasonic heat meter pipe section according to claim 4, characterized in that: The inclined end of the reflection column (4) forms an angle of 90 degrees with the two ears of the transducer fixing pressure ring (6); the base calibration column (71) passes through the inner wall hole of the transducer base (3) and the transducer base interface of the pipe section (1); and a pressure ring sleeve (74) corresponding to the transducer fixing pressure ring (6) is provided above the base calibration column (71).

6. A fully welded ultrasonic heat meter pipe section according to claim 5, characterized in that: The calibration B column (722) is connected to the calibration A column (721) via a threaded structure, and the inner wall of the pressure ring sleeve (74) and the outer wall of the transducer fixing pressure ring (6) are contacted and slidably sealed via the body.

7. The fully welded ultrasonic heat meter pipe section according to claim 1, characterized in that: The pipe segment (1) is suitable for a caliber of DN15-40, and the laser welding is suitable for producing a pipe segment (1) with a diameter of 1.5-2.5 mm.

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