External clamping type ultrasonic flowmeter

Abstract

The utility model relates to the technical field of measuring instruments, and discloses an external clamping type ultrasonic flowmeter which comprises a flowmeter body, a detection head is fixedly arranged on the back face of the flowmeter body, and a coupling patch is fixedly arranged on the surface of the detection head. The back face of the flowmeter body is fixedly connected with an outer clamping assembly, the outer clamping assembly comprises two strip-shaped positioning blocks, and the two strip-shaped positioning blocks are symmetrically distributed on the surface of the flowmeter body up and down. According to the ultrasonic flowmeter, the outer clamping assembly is arranged on the back face of the ultrasonic flowmeter, when flow detection is carried out on a pipeline, only the first clamping block and the second clamping block of the outer clamping assembly need to surround the two sides of the pipeline, then the adjusting knob is rotated to drive the bidirectional adjusting lead screw to rotate, and then the pipeline is clamped. The outer clamping assembly is convenient to operate, the mounting and dismounting process is simple, and the outer clamping assembly is suitable for workers to detect the flow of different positions of different pipelines in real time.

Description

Technical Field

[0001] The utility model relates to the technical field of measuring instruments, and more specifically to an external clamp-on ultrasonic flow meter. Background Art

[0002] The clamp-on or pipe-segment ultrasonic flow meter is an instrument that measures the flow of liquid in a round tube based on the principle of "velocity difference method". It uses advanced multi-pulse technology, signal digital processing technology and error correction technology to make the flow meter more adaptable to the environment of industrial sites and more convenient, economical and accurate in measurement. The product has reached the advanced level at home and abroad and can be widely used in the fields of petroleum, chemical industry, metallurgy, electric power, water supply and drainage, etc.

[0003] An external clamp-type ultrasonic flowmeter with patent announcement number CN219084156U relates to the technical field of ultrasonic flowmeters, and the following scheme is proposed; by setting a clamp ring, when the installed connecting block can slide to a certain extent between the card slot and the card bolt and the mounting bracket, it is convenient to adjust the spacing between the installed clamp rings, and then the installed connecting plate can be lifted to a certain extent between the second threaded bolt and the connecting block, and the installed connecting plate and the rubber groove are fixed after adjustment by a fitting connection, and then the installed clamp ring can be rotated to a certain extent between the second connecting shaft and the connecting block, and then it can be fixed by the installed third threaded bolt without damaging the pipeline.

[0004] The external clamp-type ultrasonic flowmeter proposed in the above patent document has an external clamp structure that uses two semicircular clamping rings to fix the pipe. However, the semicircular clamping rings are not suitable for pipes of different diameters, resulting in insufficient clamping stability. In addition, the coupling block of the flowmeter and the pipe are blocked by the mounting frame, resulting in the coupling block being unable to make close contact with the pipe surface, affecting the measurement accuracy. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides an external clamp-on ultrasonic flowmeter, which has the advantages of a wide adjustable range and high stability, so as to solve the problems existing in the above-mentioned background technology.

[0006] The utility model provides the following technical solutions: an external clamp-on ultrasonic flowmeter, comprising a flowmeter body, a detection head fixedly arranged on the back of the flowmeter body, a coupling sticker fixedly arranged on the surface of the detection head, a transparent sticker arranged on the surface of the coupling sticker, when measuring the pipeline, the sticker can be torn off, and the coupling sticker can be closely attached to the pipeline surface, so as to facilitate the use of the ultrasonic flowmeter to detect the flow inside the pipeline;

[0007] The back of the flow meter body is fixedly connected with an outer clamping assembly, and the outer clamping assembly includes two bar-shaped positioning blocks, and the two bar-shaped positioning blocks are symmetrically distributed on the surface of the flow meter body up and down, and the surface of the bar-shaped positioning blocks is provided with two limit adjustment grooves corresponding to the positions, and the inner walls of the two limit adjustment grooves are rotatably connected with a two-way adjustment screw rod, and the surface of the two-way adjustment screw rod is threadedly connected with two adjustment blocks, and the surfaces of the two adjustment blocks are respectively fixedly connected with a first clamping block and a second clamping block, and the opposite surfaces of the first clamping block and the second clamping block are provided with a V-shaped clamping groove. When the flow rate of the pipeline is detected, it is only necessary to surround the first clamping block and the second clamping block of the outer clamping assembly on both sides of the pipeline, and then drive the two-way adjustment screw rod to rotate by turning the adjusting knob, thereby driving the first clamping block and the second clamping block to clamp and fix the pipeline housing. By setting the clamping groove with a V-shaped structure, it can be suitable for clamping and fixing pipelines of different diameters. At the same time, the outer clamping assembly is easy to operate, and the installation and disassembly process is simple;

[0008] The ends of the first clamping block and the second clamping block are both provided with a rectangular receiving groove, the inner wall of the rectangular receiving groove is slidably provided with a limit reinforcing plate, and the surface of the limit reinforcing plate is fixedly connected to the limit binding belt.

[0009] Furthermore, the front and back sides of the limiting strap are respectively fixedly connected with matching Velcro strips, and the limiting strap can connect and fix the two limiting reinforcement plates, and the limiting strap and the limiting reinforcement plate are fixed by Velcro strips.

[0010] Furthermore, a plurality of through holes are formed on the surface of the position limiting reinforcing plate, the size of the through holes matches the position limiting binding band, and one end of the position limiting binding band away from the first clamping block passes through the through hole.

[0011] Furthermore, a positioning bolt hole is provided on the surface of the first clamping block, and a positioning bolt is threadedly connected to the inner wall of the positioning bolt hole.

[0012] Furthermore, the position of the positioning bolt corresponds to the limiting reinforcement plate, and the positioning bolt is inserted into the through hole. By arranging a limiting reinforcement plate and a limiting strap between the first clamping block and the second clamping block, when the ultrasonic flowmeter needs to be fixed on the pipeline surface for a long time, the limiting strap can be used to reinforce and bind the first clamping block and the second clamping block, thereby improving the stability of the flowmeter on the pipeline surface.

[0013] Furthermore, one end of the bidirectional adjustment screw extends to the outside of the strip positioning block, and one end of the bidirectional adjustment screw is fixedly connected to an adjustment knob, which can drive the bidirectional adjustment screw to rotate, thereby driving the first clamping block and the second clamping block to move.

[0014] Furthermore, a plurality of anti-skid rubber pads are fixedly connected to the surface of the clamping groove, and the plurality of anti-skid rubber pads are evenly distributed on the surface of the clamping groove. By providing the anti-skid rubber pads, the friction between the clamping groove and the pipeline can be increased.

[0015] Furthermore, the adjustment block and the limit adjustment groove are both rectangular in shape, and the adjustment block is slidably connected to the inner wall of the limit adjustment groove, and the limit adjustment groove can limit and guide the adjustment block.

[0016] Technical effects and advantages of the utility model:

[0017] 1. The utility model is provided with an outer clamping assembly on the back of the ultrasonic flowmeter. When detecting the flow of a pipeline, it is only necessary to surround the first clamping block and the second clamping block of the outer clamping assembly on both sides of the pipeline, and then drive the two-way adjustment screw to rotate by turning the adjusting knob, thereby driving the first clamping block and the second clamping block to clamp and fix the pipeline shell. By setting a clamping groove with a V-shaped structure, it can be suitable for clamping and fixing pipelines of different diameters. At the same time, the outer clamping assembly is easy to operate, and the installation and disassembly process is simple, which is suitable for staff to perform real-time detection of flow at different positions of different pipelines.

[0018] 2. The utility model provides a limiting reinforcement plate and a limiting strap between the first clamping block and the second clamping block. When the ultrasonic flowmeter needs to be fixed on the pipeline surface for a long time, the limiting strap can be used to reinforce and bind the first clamping block and the second clamping block, thereby improving the stability of the flowmeter on the pipeline surface and preventing the flowmeter from falling off during pipeline vibration. The position of the limiting reinforcement plate can be adjusted according to the size of the pipeline to improve the applicability of the external clamping assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the three-dimensional first-view structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the three-dimensional second viewing angle structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the outer clamping assembly of the utility model;

[0022] Figure 4 This is a schematic diagram of the internal structure of the first clamping block of the utility model.

[0023] The accompanying drawings are marked as follows: 1. flow meter body; 2. coupling sticker; 3. strip positioning block; 4. limit adjustment groove; 5. bidirectional adjustment screw; 6. adjustment block; 7. first clamping block; 8. second clamping block; 9. clamping groove; 10. rectangular storage groove; 11. limit reinforcement plate; 12. limit strap; 13. through hole; 14. positioning bolt; 15. adjustment knob; 16. anti-slip rubber pad. DETAILED DESCRIPTION

[0024] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative. The external clamp-on ultrasonic flowmeter involved in the present invention is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0025] Reference Figure 1-4 The utility model provides an external clamp-on ultrasonic flowmeter, comprising a flowmeter body 1, a detection head is fixedly arranged on the back of the flowmeter body 1, and a coupling sticker 2 is fixedly arranged on the surface of the detection head;

[0026] An outer clamping assembly is fixedly connected to the back of the flowmeter body 1, and the outer clamping assembly includes two strip positioning blocks 3, which are symmetrically distributed on the surface of the flowmeter body 1. Two corresponding limit adjustment grooves 4 are provided on the surface of the strip positioning block 3. The inner walls of the two limit adjustment grooves 4 are rotatably connected with a two-way adjustment screw rod 5, one end of the two-way adjustment screw rod 5 extends to the outside of the strip positioning block 3, and one end of the two-way adjustment screw rod 5 is fixedly connected to an adjustment knob 15.

[0027] The surface of the bidirectional adjustment screw rod 5 is threadedly connected with two adjustment blocks 6 . The adjustment blocks 6 and the position limiting adjustment groove 4 are both rectangular in shape, and the adjustment blocks 6 are slidably connected to the inner wall of the position limiting adjustment groove 4 .

[0028] The surfaces of the two adjustment blocks 6 are respectively fixedly connected with the first clamping block 7 and the second clamping block 8, and the opposite surfaces of the first clamping block 7 and the second clamping block 8 are provided with a V-shaped clamping groove 9, and the surface of the clamping groove 9 is fixedly connected with a plurality of anti-slip rubber pads 16, and the plurality of anti-slip rubber pads 16 are evenly distributed on the surface of the clamping groove 9.

[0029] It is worth noting that by arranging a V-shaped clamping groove 9 on the surface of the first clamping block 7 and the second clamping block 8, it can be suitable for clamping and fixing pipes of different diameters. At the same time, the external clamping component is easy to operate, and the installation and disassembly process is simple, which is suitable for staff to perform real-time detection of flow at different positions of different pipes.

[0030] When detecting the flow rate of the pipeline, it is only necessary to surround the first clamping block 7 and the second clamping block 8 on the back of the flow meter body 1 on both sides of the pipeline, and then rotate the adjusting knob 15 to drive the bidirectional adjustment screw 5 to rotate, and the bidirectional adjustment screw 5 drives the two adjustment blocks 6 to move, thereby driving the first clamping block 7 and the second clamping block 8 to clamp and fix the pipeline casing.

[0031] The ends of the first clamping block 7 and the second clamping block 8 are both provided with a rectangular receiving groove 10, and the inner wall of the rectangular receiving groove 10 is slidably provided with a limiting reinforcement plate 11. The surface of the first clamping block 7 is provided with a positioning bolt hole, and the inner wall of the positioning bolt hole is threadedly connected with a positioning bolt 14. The position of the positioning bolt 14 corresponds to the limiting reinforcement plate 11, and the positioning bolt 14 is inserted into the inside of the through hole 13.

[0032] The surface of the limiting reinforcement plate 11 is fixedly connected with a limiting strap 12 , and the front and back sides of the limiting strap 12 are respectively fixedly connected with matching Velcro strips. The limiting strap 12 can connect and fix the two limiting reinforcement plates 11 .

[0033] A plurality of through holes 13 are provided on the surface of the limiting reinforcement plate 11, and the size of the through holes 13 matches the limiting band 12. The end of the limiting band 12 away from the first clamping block 7 passes through the through hole 13. A rectangular receiving groove 10 is provided on the surface of the first clamping block 7, and the position of the limiting reinforcement plate 11 can be adjusted according to the size of the pipeline. Then, the positioning bolts 14 are inserted into the through holes 13 on the surface of the limiting reinforcement plate 11 for limiting, thereby improving the applicability of the external clamping assembly.

[0034] It is worth mentioning that by arranging a limiting reinforcement plate 11 and a limiting strap 12 between the first clamping block 7 and the second clamping block 8, when the ultrasonic flowmeter needs to be fixed on the pipeline surface for a long time, the limiting strap 12 on the surface of the limiting reinforcement plate 11 on the first clamping block 7 can be passed around the pipeline, and then passed through the through hole 13 on the surface of the limiting reinforcement plate 11 on the second clamping block 8, and the limiting strap 12 is fixed to the limiting reinforcement plate 11 by Velcro, so as to reinforce and bind the first clamping block 7 and the second clamping block 8, thereby improving the stability of the flowmeter on the pipeline surface and preventing the flowmeter from falling off during pipeline vibration.

[0035] Finally, it should be noted that the drawings of the embodiments disclosed in the present utility model only involve structures related to the embodiments disclosed in the present utility model. The above description is only a preferred embodiment of the present utility model and is not used to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A clamp-on ultrasonic flowmeter, comprising a flowmeter body (1), characterized in that: A detection head is fixedly arranged on the back of the flow meter body (1), and a coupling sticker (2) is fixedly arranged on the surface of the detection head; The back of the flow meter body (1) is fixedly connected with an external clamping assembly, and the external clamping assembly comprises two bar-shaped positioning blocks (3), the two bar-shaped positioning blocks (3) are symmetrically distributed on the surface of the flow meter body (1) up and down, and the surface of the bar-shaped positioning blocks (3) is provided with two corresponding limit adjustment grooves (4), the inner walls of the two limit adjustment grooves (4) are rotatably connected with a bidirectional adjustment screw rod (5), the surface of the bidirectional adjustment screw rod (5) is threadedly connected with two adjustment blocks (6), and the surfaces of the two adjustment blocks (6) are respectively fixedly connected with a first clamping block (7) and a second clamping block (8), and the opposing surfaces of the first clamping block (7) and the second clamping block (8) are provided with a V-shaped clamping groove (9); The ends of the first clamping block (7) and the second clamping block (8) are both provided with a rectangular receiving groove (10), the inner wall of the rectangular receiving groove (10) is slidably provided with a limit reinforcing plate (11), and the surface of the limit reinforcing plate (11) is fixedly connected to a limit binding belt (12).

2. The clamp-on ultrasonic flowmeter according to claim 1, characterized in that: The front and back sides of the limiting strap (12) are respectively fixedly connected with mutually matching Velcro strips, and the limiting strap (12) can connect and fix the two limiting reinforcement plates (11).

3. The clamp-on ultrasonic flowmeter according to claim 2, characterized in that: The surface of the position limiting reinforcing plate (11) is provided with a plurality of through holes (13), the size of the through holes (13) matches the position limiting binding belt (12), and one end of the position limiting binding belt (12) away from the first clamping block (7) passes through the through hole (13).

4. The clamp-on ultrasonic flowmeter according to claim 3, characterized in that: A positioning bolt hole is provided on the surface of the first clamping block (7), and a positioning bolt (14) is threadedly connected to the inner wall of the positioning bolt hole.

5. The clamp-on ultrasonic flowmeter according to claim 4, characterized in that: The position of the positioning bolt (14) corresponds to the position-limiting reinforcing plate (11), and the positioning bolt (14) is inserted into the interior of the through hole (13).

6. The clamp-on ultrasonic flow meter according to claim 5, characterized in that: One end of the bidirectional adjustment screw rod (5) extends to the outside of the strip-shaped positioning block (3), and one end of the bidirectional adjustment screw rod (5) is fixedly connected to an adjustment knob (15).

7. The clamp-on ultrasonic flowmeter according to claim 6, characterized in that: A plurality of anti-skid rubber pads (16) are fixedly connected to the surface of the clamping groove (9), and the plurality of anti-skid rubber pads (16) are evenly distributed on the surface of the clamping groove (9).

8. The clamp-on ultrasonic flow meter according to claim 7, characterized in that: The adjustment block (6) and the position-limiting adjustment groove (4) are both rectangular in shape, and the adjustment block (6) is slidably connected to the inner wall of the position-limiting adjustment groove (4).

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