Ultrasonic flowmeter mounting structure

Abstract

The utility model relates to the technical field of ultrasonic flow meters, and discloses an ultrasonic flow meter installation structure which comprises a pipeline to be measured and two pipe clamps arranged on the surface of the pipeline to be measured in a sleeved mode, and sensor bodies are arranged in inner cavities of the two pipe clamps. The two sensor bodies are an upstream sensor and a downstream sensor respectively, and the two sensor bodies are electrically communicated with an external ultrasonic flowmeter. When the pipeline vibration sensor is used, the sensor body is tightly attached to a to-be-detected pipeline for installation through the pipe clamp, when the to-be-detected pipeline vibrates, the sensor body is tightly attached to the surface of the to-be-detected pipeline through the elastic force of the supporting spring, and when vibration occurs, the telescopic block can move towards the interior of the telescopic groove; the sensor body can be separated from the to-be-measured pipeline, strong rigid collision between the sensor body and the to-be-measured pipeline is avoided, and therefore the effect of safety protection on the ultrasonic flowmeter is achieved, and it is ensured that the ultrasonic flowmeter can be safely used for a long time.

Description

Technical Field

[0001] The utility model relates to the technical field of ultrasonic flowmeters, and more specifically to an ultrasonic flowmeter installation structure. 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 the measurement is more convenient, economical and accurate. 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] After searching, the existing patent (Announcement No.: CN218238932U) discloses an installation structure of an ultrasonic flowmeter, which, when in use, is fitted with the surface of the pipe to be measured through the pipe connection assembly, so that the upstream sensor is fitted on the surface of the pipe to be measured, and the downstream sensor is driven to move left and right by the distance control assembly, thereby measuring and adjusting the distance between the upstream sensor and the downstream sensor, and the pipe connection assembly is locked by the clamp ring locking assembly to complete the installation, and the effect of stable installation of the sensor of the ultrasonic flowmeter is achieved in use, and the reliability of the structure can be guaranteed for long-term use, thereby ensuring the measurement effect of the flowmeter, and the practicality is good. However, the inventor found that the prior art has the following problems in the process of realizing the utility model: the installation structure of the ultrasonic flowmeter mentioned above, when installing the sensor of the ultrasonic flowmeter, is to fix the sensor tightly on the surface of the pipe to be measured, but during the use of the pipe, the pipe is prone to generate large vibrations under the action of external collisions, and if this vibration acts completely on the surface of the sensor, it is very easy to damage the sensor, thereby affecting the normal use of the ultrasonic flowmeter.

[0004] In view of this, the utility model proposes an installation structure of an ultrasonic flow meter to solve this problem. Utility Model Content

[0005] In order to overcome the above defects of the prior art, the utility model provides an ultrasonic flow meter installation structure to solve the problems existing in the above background technology.

[0006] The utility model provides the following technical solutions: an ultrasonic flowmeter installation structure, comprising a pipeline to be measured and a pipe clamp sleeved on the surface of the pipeline to be measured, the number of the pipe clamps is two, the inner cavities of the two pipe clamps are both provided with sensor bodies, the two sensor bodies are respectively an upstream sensor and a downstream sensor, the two sensor bodies are both electrically connected to an external ultrasonic flowmeter, and the two pipe clamps are both provided with movable installation components corresponding to the sensor bodies;

[0007] The movable installation component includes a connecting sleeve fixedly installed on the inner wall of the pipe clamp, a telescopic groove is opened at one end of the connecting sleeve close to the pipe to be tested, a telescopic block is slidably connected inside the telescopic groove, and a supporting spring is arranged inside the telescopic groove to drive the telescopic block to move outside the telescopic groove, a compression and tightening component is arranged between the connecting sleeve and the telescopic block, a connecting seat is detachably installed on the bottom end of the telescopic block, and the sensor body is fixedly installed on the surface of the connecting seat.

[0008] The compression and tightening assembly includes a sleeve fixedly installed on the left side of the connecting sleeve, a positioning pin is movably installed on the surface of the sleeve, and a pin hole is opened on the surface of the telescopic block. When the telescopic block is compressed into the telescopic groove, the position of the positioning pin corresponds to the position of the pin hole.

[0009] Furthermore, the pipe clamp includes a first clamping plate and a second clamping plate, the first clamping plate and the second clamping plate are rotatably connected via an axle, the first clamping plate and the second clamping plate are both arc-shaped, the connecting sleeve is fixedly mounted on the surface of the second clamping plate, and the first clamping plate and the second clamping plate are provided with a clamping bolt for locking at one end away from the axle.

[0010] Furthermore, an anti-skid silicone strip is adhered to the inner wall of the first clamping plate; by providing the anti-skid silicone strip, the friction between the pipe clamp and the pipe to be tested can be improved after installation, thereby increasing the firmness of the installation.

[0011] Furthermore, the inner wall of the sleeve is provided with a return spring for driving the positioning pin to move toward the pin hole, and an inclined surface is provided at one end of the positioning pin close to the telescopic block; by providing the inclined surface, when the second clamping plate is squeezed, the telescopic block can be retracted into the connecting sleeve, and under the action of the inclined surface, the positioning pin and the surface of the telescopic block can slide, and then under the action of the return spring, the positioning pin can be inserted into the pin hole.

[0012] Furthermore, a T-slot is laterally opened at the bottom end of the telescopic block, the connecting seat is slidably connected to the inside of the T-slot, and a mounting screw is inserted into the surface of the connecting seat, and an internal thread groove is opened on the inner right wall of the telescopic block on the T-slot, and the mounting screw is adapted to the internal thread groove; by inserting the connecting seat into the T-slot at the bottom end of the telescopic block, when the sensor body is damaged, the connecting seat can be removed and the sensor body can be replaced.

[0013] Furthermore, a distance adjustment component is provided between the two pipe clamps, and the distance adjustment component includes a connecting sleeve embedded in the surface of the left pipe clamp, a connecting plate is slidably connected inside the connecting sleeve, the other end of the connecting plate is fixed to the surface of the right pipe clamp, a knob is rotatably connected to the surface of the connecting sleeve, the knob extends to the inside of the connecting sleeve and is fixedly installed with a worm, an inner wall of the connecting sleeve is rotatably connected with an adjusting screw, the connecting plate is threadedly connected to the adjusting screw, a worm wheel is fixedly installed on the surface of the adjusting screw, and the worm and the worm wheel are meshed; by setting the distance adjustment component, by rotating the knob, based on the meshing of the worm and the worm wheel, the adjusting screw can be driven to rotate, and then the connecting plate can be driven to slide inside the connecting sleeve, so that the distance between the two pipe clamps and the sensor body can be adjusted, and after the adjustment, the self-locking effect between the worm and the worm wheel can be utilized to achieve the purpose of continuously locking the distance between the two sensor bodies.

[0014] Furthermore, the surface of the connecting plate is provided with scale marking lines, and the surface of the connecting sleeve is provided with observation windows corresponding to the scale marking lines; when adjusting the distance between the two pipe clamps, the distance between the two pipe clamps can be accurately marked by referring to the scale marking lines without additional measurement, thereby facilitating improving the efficiency of distance adjustment.

[0015] Technical effects and advantages of the utility model:

[0016] 1. When the utility model is in use, the sensor body is installed close to the pipeline to be measured by using a pipe clamp. After installation, the sensor body transmits the monitoring signal to the external ultrasonic flow meter, that is, the purpose of detecting the flow inside the pipeline is achieved. During use, by setting a movable installation component, when the pipeline to be measured vibrates, the sensor body is closely attached to the surface of the pipeline to be measured through the elastic force of the supporting spring. When vibration occurs, the telescopic block can move toward the inside of the telescopic groove, and the sensor body can be separated from the pipeline to be measured, avoiding a strong rigid collision between the sensor body and the pipeline to be measured, thereby achieving the role of safety protection of the ultrasonic flow meter and ensuring its safe use for a long time.

[0017] 2. The utility model provides a compression and tightening component. When it is necessary to adjust the position of the overall structure after installation, the second clamping plate is pressed and the tightening effect of the pipe to be measured on the sensor body is utilized to retract the telescopic block into the connecting sleeve. The telescopic block slides with the inclined surface. At this time, under the elastic force of the reset spring, the positioning pin can be inserted into the pin hole to position the telescopic block. At this time, the sensor body is separated from the pipe to be measured. At this time, it is convenient to move the overall structure on the surface of the pipe to be measured. This can be achieved without removing the pipe clamp additionally, which is convenient to operate. In addition, the friction between the sensor body and the pipe to be measured is reduced during the movement, thereby further achieving the purpose of protecting the sensor body.

[0018] 3. The utility model, by setting a distance adjustment component and referring to the scale marking line, can drive the adjusting screw to rotate based on the meshing of the worm and the worm wheel by turning the knob, and then can drive the connecting plate to slide inside the connecting sleeve, so that the distance between the two pipe clamps and the sensor body can be accurately adjusted, and after the adjustment, the self-locking effect between the worm and the worm wheel can be used to achieve the purpose of continuously locking the distance between the two sensor bodies. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0020] Figure 2 This is a schematic diagram of the front section structure of the utility model;

[0021] Figure 3 for Figure 2 The enlarged structural diagram at A in the middle;

[0022] Figure 4 for Figure 3 The enlarged structural diagram at B in the middle;

[0023] Figure 5 for Figure 3 Enlarged structural diagram at point C in the middle.

[0024] The accompanying drawings are marked as follows: 1. pipeline to be tested; 2. pipe clamp; 201. first clamping plate; 202. second clamping plate; 203. clamping bolt; 204. anti-slip silicone strip; 3. sensor body; 4. connecting sleeve; 5. telescopic slot; 6. telescopic block; 7. support spring; 8. connecting seat; 9. sleeve; 10. positioning pin; 11. pin hole; 12. mounting screw; 13. reset spring; 14. inclined plane; 15. connecting sleeve; 16. connecting plate; 17. knob; 18. worm; 19. adjusting screw; 20. worm gear; 21. scale marking line; 22. observation window. DETAILED DESCRIPTION

[0025] 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 ultrasonic flow meter installation structure 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.

[0026] Reference Figure 1-5The utility model provides an ultrasonic flowmeter installation structure, including a pipe to be measured 1 and a pipe clamp 2 sleeved on the surface of the pipe to be measured 1, the number of the pipe clamps 2 is two, the inner cavities of the two pipe clamps 2 are both provided with sensor bodies 3, the two sensor bodies 3 are respectively an upstream sensor and a downstream sensor, and the two sensor bodies 3 are both electrically connected to an external ultrasonic flowmeter.

[0027] The pipe clamp 2 includes a first clamping plate 201 and a second clamping plate 202, which are rotatably connected via an axis rod. The first clamping plate 201 and the second clamping plate 202 are both arc-shaped, and the connecting sleeve 4 is fixedly mounted on the surface of the second clamping plate 202. The first clamping plate 201 and the second clamping plate 202 are provided with a clamping bolt 203 for locking at one end away from the axis rod.

[0028] When the utility model is in use, the first clamping plate 201 and the second clamping plate 202 are opened and sleeved on the surface of the pipeline 1 to be measured, and then the clamping bolt 203 is tightened, that is, the sensor body 3 can be installed close to the pipeline 1 to be measured by using the pipe clamp 2. After installation, the sensor body 3 transmits the monitoring signal to the external ultrasonic flow meter, that is, the purpose of detecting the flow inside the pipeline is achieved.

[0029] An anti-skid silicone strip 204 is adhered to the inner wall of the first clamping plate 201 .

[0030] By providing the anti-slip silicone strip 204, the friction between the pipe clamp 2 and the pipe to be tested 1 after installation can be improved, thereby increasing the firmness of the installation.

[0031] The two pipe clamps 2 are both provided with movable mounting components corresponding to the sensor body 3 .

[0032] The movable installation component includes a connecting sleeve 4 fixedly installed on the inner wall of the pipe clamp 2, a telescopic groove 5 is opened at one end of the connecting sleeve 4 close to the pipe 1 to be tested, a telescopic block 6 is slidably connected inside the telescopic groove 5, and a supporting spring 7 for driving the telescopic block 6 to move to the outside of the telescopic groove 5 is arranged inside the telescopic groove 5, a compression and tightening component is arranged between the connecting sleeve 4 and the telescopic block 6, a connecting seat 8 is detachably installed on the bottom end of the telescopic block 6, and the sensor body 3 is fixedly installed on the surface of the connecting seat 8.

[0033] During use, by setting up a movable installation component, when the pipeline 1 to be measured vibrates, the sensor body 3 is tightly attached to the surface of the pipeline 1 to be measured by the elastic force of the supporting spring 7. When vibration occurs, the telescopic block 6 can move toward the inside of the telescopic groove 5, and the sensor body 3 can be separated from the pipeline 1 to be measured, avoiding a strong rigid collision between the sensor body 3 and the pipeline 1 to be measured, thereby achieving the effect of safety protection of the ultrasonic flowmeter and ensuring its safe use for a long time.

[0034] A T-shaped slot is horizontally opened at the bottom end of the telescopic block 6, and the connecting seat 8 is slidably connected to the inside of the T-shaped slot, and a mounting screw 12 is inserted into the surface of the connecting seat 8. The telescopic block 6 has an internal thread groove opened on the inner right wall of the T-shaped slot, and the mounting screw 12 is adapted to the internal thread groove.

[0035] Since the connecting seat 8 is inserted into the T-shaped slide groove at the bottom end of the telescopic block 6 , when the sensor body 3 is damaged, the mounting screw 12 can be removed, and then the connecting seat 8 can be removed to replace the sensor body 3 .

[0036] The compression and tightening assembly includes a sleeve 9 fixedly mounted on the left side of the connecting sleeve 4, a positioning pin 10 is movably mounted on the surface of the sleeve 9, and a pin hole 11 is opened on the surface of the telescopic block 6. When the telescopic block 6 is compressed into the telescopic groove 5, the positions of the positioning pin 10 and the pin hole 11 correspond.

[0037] The inner wall of the sleeve 9 is provided with a return spring 13 for driving the positioning pin 10 to move toward the pin hole 11 .

[0038] An end of the positioning pin 10 close to the telescopic block 6 is provided with an inclined surface 14 .

[0039] Furthermore, by setting a compression and tightening component, when it is necessary to adjust the position of the overall structure after installation, by pressing the second clamping plate 202 and utilizing the tightening effect of the pipe 1 to be tested on the sensor body 3, the telescopic block 6 can be received into the connecting sleeve 4, and the telescopic block 6 slides with the inclined surface 14. At this time, under the elastic force of the reset spring 13, the positioning pin 10 can be inserted into the pin hole 11 to position the telescopic block 6. At this time, the sensor body 3 is disengaged from the pipe 1 to be tested. At this time, it is convenient to move the overall structure on the surface of the pipe 1 to be tested, and it can be achieved without removing the pipe clamp 2 additionally, which is convenient to operate. In addition, the friction between the sensor body 3 and the pipe 1 to be tested is reduced during the movement, thereby further achieving the purpose of protecting the sensor body 3.

[0040] A distance adjustment component is provided between the two pipe clamps 2, and the distance adjustment component includes a connecting sleeve 15 embedded in the surface of the left pipe clamp 2, a connecting plate 16 is slidably connected inside the connecting sleeve 15, and the other end of the connecting plate 16 is fixed to the surface of the right pipe clamp 2, and a knob 17 is rotatably connected to the surface of the connecting sleeve 15, and the knob 17 extends to the inside of the connecting sleeve 15 and is fixedly installed with a worm 18, and an adjusting screw 19 is rotatably connected to the inner wall of the connecting sleeve 15, and the connecting plate 16 is threadedly connected to the adjusting screw 19, and a worm wheel 20 is fixedly installed on the surface of the adjusting screw 19, and the worm 18 is meshed with the worm wheel 20.

[0041] By setting up a distance adjustment component, by turning the knob 17, the worm 18 and the worm wheel 20 are meshed, which can drive the adjusting screw 19 to rotate, and then drive the connecting plate 16 to slide inside the connecting sleeve 15, so that the distance between the two pipe clamps 2 and the sensor body 3 can be adjusted, and after the adjustment, the self-locking effect between the worm 18 and the worm wheel 20 can be used to continuously lock the distance between the two sensor bodies 3.

[0042] A scale mark line 21 is formed on the surface of the connection plate 16 , and an observation window 22 is formed on the surface of the connection sleeve 15 corresponding to the scale mark line 21 .

[0043] When adjusting the distance between the two pipe clamps 2 , the distance between the two pipe clamps 2 can be accurately marked by referring to the scale marking line 21 , without additional measurement, thereby facilitating improving the efficiency of distance adjustment.

[0044] Finally, it should be noted that the drawings of the embodiments disclosed in the present invention only involve structures related to the embodiments disclosed in the present invention, and other structures may refer to the usual design. In the absence of conflict, the same embodiment and different embodiments of the present invention may be combined with each other.

Claims

1. An ultrasonic flowmeter installation structure, comprising a pipe to be measured (1) and a pipe clamp (2) sleeved on the surface of the pipe to be measured (1), characterized in that: There are two pipe clamps (2), the inner cavities of the two pipe clamps (2) are both provided with sensor bodies (3), the two sensor bodies (3) are respectively an upstream sensor and a downstream sensor, the two sensor bodies (3) are both electrically connected to an external ultrasonic flow meter, and the two pipe clamps (2) are both provided with movable mounting components corresponding to the sensor bodies (3); The movable installation component comprises a connecting sleeve (4) fixedly installed on the inner wall of the pipe clamp (2); a telescopic groove (5) is provided at one end of the connecting sleeve (4) close to the pipe to be measured (1); a telescopic block (6) is slidably connected inside the telescopic groove (5); a supporting spring (7) is provided inside the telescopic groove (5) for driving the telescopic block (6) to move toward the outside of the telescopic groove (5); a compression and tightening component is provided between the connecting sleeve (4) and the telescopic block (6); a connecting seat (8) is detachably installed at the bottom end of the telescopic block (6); and the sensor body (3) is fixedly installed on the surface of the connecting seat (8); The compression and tightening assembly comprises a sleeve (9) fixedly mounted on the left side of the connecting sleeve (4); a positioning pin (10) is movably mounted on the surface of the sleeve (9); a pin hole (11) is provided on the surface of the telescopic block (6); when the telescopic block (6) is compressed into the interior of the telescopic groove (5), the positions of the positioning pin (10) and the pin hole (11) correspond.

2. The ultrasonic flow meter installation structure according to claim 1, characterized in that: The pipe clamp (2) comprises a first clamping plate (201) and a second clamping plate (202), the first clamping plate (201) and the second clamping plate (202) are rotatably connected via an axle, the first clamping plate (201) and the second clamping plate (202) are both arc-shaped, the connecting sleeve (4) is fixedly mounted on the surface of the second clamping plate (202), and a clamping bolt (203) for locking is provided at one end of the first clamping plate (201) and the second clamping plate (202) away from the axle.

3. The ultrasonic flowmeter installation structure according to claim 2, characterized in that: An anti-slip silicone strip (204) is adhered to the inner wall of the first clamping plate (201).

4. The ultrasonic flow meter installation structure according to claim 1, characterized in that: The inner wall of the sleeve (9) is provided with a return spring (13) for driving the positioning pin (10) to move towards the pin hole (11).

5. The ultrasonic flow meter installation structure according to claim 1, characterized in that: An inclined surface (14) is formed at one end of the positioning pin (10) close to the telescopic block (6).

6. The ultrasonic flow meter installation structure according to claim 1, characterized in that: A T-shaped slot is transversely provided at the bottom end of the telescopic block (6), the connecting seat (8) is slidably connected inside the T-shaped slot, and a mounting screw (12) is inserted on the surface of the connecting seat (8), and an internal thread groove is provided on the inner right wall of the telescopic block (6) on the T-shaped slot, and the mounting screw (12) is adapted to the internal thread groove.

7. The ultrasonic flow meter installation structure according to claim 1, characterized in that: A distance adjustment component is arranged between the two pipe clamps (2), and the distance adjustment component comprises a connecting sleeve (15) embedded in the surface of the left pipe clamp (2), a connecting plate (16) is slidably connected inside the connecting sleeve (15), the other end of the connecting plate (16) is fixed to the surface of the right pipe clamp (2), a knob (17) is rotatably connected to the surface of the connecting sleeve (15), the knob (17) extends to the inside of the connecting sleeve (15) and is fixedly installed with a worm (18), an adjusting screw (19) is rotatably connected to the inner wall of the connecting sleeve (15), the connecting plate (16) is threadedly connected to the adjusting screw (19), a worm wheel (20) is fixedly installed on the surface of the adjusting screw (19), and the worm (18) is meshed with the worm wheel (20).

8. The ultrasonic flow meter installation structure according to claim 7, characterized in that: The surface of the connection plate (16) is provided with a scale mark line (21), and the surface of the connection sleeve (15) is provided with an observation window (22) corresponding to the scale mark line (21).

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