Ultrasonic flow measuring device

Abstract

The utility model relates to the technical field of ultrasonic flow measurement, in particular to an ultrasonic flow measurement device which comprises a pipeline, a flow measurement device body and a moving mechanism, the moving mechanism comprises two installation cylinders, four sliding assemblies, a fixed cylinder and two fixed assemblies, each sliding assembly comprises a supporting frame, a rotating shaft and a pulley, the flow measurement device body is arranged on the pipeline, and the flow measurement device body is arranged on the pipeline. The two installation cylinders are fixedly connected with the two ends of the flow measuring device body respectively, the four sliding assemblies are arranged at the two ends of the two installation cylinders respectively, the supporting frame is fixedly connected with one ends of the installation cylinders, the rotating shaft is rotationally connected with the supporting frame and the pulley, one end of the pulley is slidably connected with a pipeline, and the fixed cylinder is fixedly connected with one installation cylinder. The two fixing assemblies are arranged at the two ends of the fixing cylinder respectively, when the flow measuring device body needs to move on the pipeline, the device moves on the pipeline through the moving mechanism, an operator does not need to disassemble and assemble the flow measuring device body again, and then the practicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to ultrasonic flow measurement technical field especially relates to an ultrasonic flow measurement device. BACKGROUND

[0002] The flow measuring device is a kind of equipment for measuring fluid flow rate and flow rate.The current flow measuring device, when working, flowmeter needs to be in direct contact with fluid to measure the flow rate and flow rate of fluid, but when flowmeter is in contact with fluid, flowmeter can affect the flow rate flow rate data of fluid, resulting in lower measurement accuracy.

[0003] The prior art has pushed out an external clamping type ultrasonic flow measuring device, which can measure fluid in pipeline by Doppler effect and ultrasonic wave propagation time difference principle, without direct contact with fluid, thereby improving the accuracy of flow measurement.

[0004] But in the prior art, when the device measures different positions on the same pipeline, the operator needs to disassemble and install the device again, the device cannot be directly moved on the pipeline, resulting in lower practicability of the device. UTILITY MODEL CONTENT

[0005] The utility model aims at providing an ultrasonic flow measuring device, to solve the problem in the prior art that when the device measures different positions on the same pipeline, the operator needs to disassemble and install the device again, the device cannot be directly moved on the pipeline, resulting in lower practicability of the device.

[0006] To achieve the above-mentioned purpose, the utility model provides an ultrasonic flow measuring device, including pipeline, flow measuring device body and moving mechanism, the moving mechanism includes two installation barrels, four sliding assemblies, fixed cylinder and two fixed assemblies, the sliding assembly includes support frame, rotating shaft and pulley, the flow measuring device body is arranged on the pipeline, and the pipeline is located in the flow measuring device body, two installation barrels are fixedly connected with two ends of the flow measuring device body, four sliding assemblies are arranged at two ends of two installation barrels, the support frame is fixedly connected with one end of the installation barrel and located in the installation barrel, the rotating shaft is rotatably connected with the support frame and the pulley, and the pulley is located in the support frame, one end of the pulley is slidably connected with the pipeline, the fixed cylinder is fixedly connected with one of the installation barrels, and two fixed assemblies are arranged at two ends of the fixed cylinder.

[0007] The fixed assembly comprises a fixing frame, a fixing rod, a clamping plate and a telescopic sleeve, the fixing frame is fixedly connected with the fixing cylinder, the fixing rod is in sliding connection with the fixing frame and penetrates through the fixing frame and the fixing cylinder, the clamping plate is fixedly connected with the fixing rod and is located in the fixing cylinder, and the telescopic sleeve is arranged on the fixing frame and the fixing rod assembly and is located outside the fixing cylinder.

[0008] The telescopic sleeve comprises a reset spring and a fixing block, the fixing block is fixedly connected with the fixing rod and is located at one end of the fixing rod away from the flow measuring device body, and the two ends of the reset spring are fixedly connected with the fixing frame and the fixing block respectively, and the fixing rod is located in the reset spring.

[0009] The moving mechanism further comprises two limiting assemblies, and the two limiting assemblies are arranged at two ends of the flow measuring device body and the pipeline respectively.

[0010] The limiting assembly comprises a sliding groove and a sliding bar, the sliding groove is arranged at one end of the flow measuring device body and is located on the inner side wall of the flow measuring device body, the sliding bar is fixedly connected with the outer side wall of the pipeline, and the sliding bar is in sliding connection with the flow measuring device body and is located in the sliding groove.

[0011] The ultrasonic flow measuring device of the utility model, use the flow measuring device body to the flow rate detection of the pipeline is completed, need to another position of the pipeline flow rate detection, through two the fixed assembly between the flow measuring device body and the pipeline is fixed, again promote the flow measuring device body, the flow measuring device body both sides four the pulley is in the upper and lower end of the pipeline sliding respectively, the contact area between the pulley and the pipeline is smaller, therefore the resistance that the flow measuring device body is received is smaller, in order to the flow measuring device body moves on the pipeline, when the flow measuring device body moves to the appropriate position, through two the fixed assembly, make the pipeline and the flow measuring device body and the fixed cylinder between fixed, ensure that the flow measuring device body keeps stable state when measuring flow, through the above-mentioned way can make the flow measuring device body moves on the pipeline, need not operator to disassemble and install again, further improve the practicality of the device. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced.

[0013] Figure 1 It is the structure schematic diagram of the ultrasonic flow measuring device of the utility model.

[0014] Figure 2 is another direction structure schematic view of the ultrasonic flow measuring device of the utility model.

[0015] Figure 3 is the A place partial structure of the utility model Figure 2 enlarged view.

[0016] Figure 4 is the B place partial structure of the utility model Figure 2 enlarged view.

[0017] Figure 5 is the sectional view of the ultrasonic flow measuring device of the utility model.

[0018] 101 pipeline, 102 flow measuring device body, 103 mounting cylinder, 104 support frame, 105 rotating shaft, 106 pulley, 107 fixed cylinder, 108 fixed frame, 109 return spring, 110 fixed block, 111 clamping plate, 112 slide bar, 113 slide groove, 114 fixed rod. Specific implementation

[0019] Please refer to Figures 1 to 5 , wherein, Figure 1 is the structure schematic view of the ultrasonic flow measuring device of the utility model, Figure 2 is another direction structure schematic view of the ultrasonic flow measuring device of the utility model, Figure 3 is the A place partial structure of the utility model Figure 2 enlarged view, Figure 4 is the B place partial structure of the utility model Figure 2 enlarged view, Figure 5 is the sectional view of the ultrasonic flow measuring device of the utility model.

[0020] The utility model provides a kind of ultrasonic flow measuring device, including pipeline 101, flow measuring device body 102 and moving mechanism, the moving mechanism includes two mounting cylinders 103, four sliding assemblies, two limit components, fixed cylinder 107 and two fixed components, the sliding assembly includes support frame 104, rotating shaft 105 and pulley 106, the fixed component includes fixed frame 108, fixed rod 114, clamping plate 111 and telescopic kit, the telescopic kit includes return spring 109 and fixed block 110, the limit component includes slide groove 113 and slide bar 112, by the foregoing scheme, it is solved in the prior art, when the different positions on the same pipeline 101 are measured by the device, it needs to be disassembled and installed by operating personnel, the device cannot be directly moved on pipeline 101, lead to the practicability of the device is lower the problem of the device.

[0021] In the embodiment, the flow measuring device body 102 is arranged on the pipeline 101, and the pipeline 101 is located in the flow measuring device body 102, two installation barrels 103 are fixedly connected with two ends of the flow measuring device body 102 respectively, four sliding assemblies are arranged at two ends of the two installation barrels 103 respectively, the support frame 104 is fixedly connected with one end of the installation barrel 103 and located in the installation barrel 103, the rotating shaft 105 is rotationally connected with the support frame 104 and the pulley 106, and the pulley 106 is located in the support frame 104, one end of the pulley 106 is slidably connected with the pipeline 101, the fixed barrel 107 is fixedly connected with one of the installation barrels 103, two fixing assemblies are arranged at two ends of the fixed barrel 107 respectively, when the flow velocity detection of the pipeline 101 is completed by using the flow measuring device body 102 and the flow velocity detection of another position of the pipeline 101 is needed, the two fixing assemblies are used to release the fixation between the flow measuring device body 102 and the pipeline 101, and then the flow measuring device body 102 is pushed, four pulleys 106 on both sides of the flow measuring device body 102 slide at upper and lower ends of the pipeline 101 respectively, the contact area between the pulley 106 and the pipeline 101 is small, so that the resistance of the flow measuring device body 102 during sliding is small, so that the flow measuring device body 102 is moved on the pipeline 101, when the flow measuring device body 102 is moved to a proper position, the two fixing assemblies are used to fix the pipeline 101 between the flow measuring device body 102 and the fixed barrel 107, so that the flow measuring device body 102 can keep a stable state during flow measurement, and in the above manner, the flow measuring device body 102 can be moved on the pipeline 101 without the need of re-disassembly and installation by an operator, and the practicability of the device is improved.

[0022] Further, the fixed frame 108 is fixedly connected with the fixed barrel 107, the fixed rod 114 is slidably connected with the fixed frame 108 and penetrates through the fixed frame 108 and the fixed barrel 107, the clamping plate 111 is fixedly connected with the fixed rod 114 and located in the fixed barrel 107, and the telescopic sleeve assembly is arranged on the fixed frame 108 and the fixed rod 114 assembly and located outside the fixed barrel 107.

[0023] Further, the fixed block 110 is fixedly connected with the fixed rod 114 and located at one end of the fixed rod 114 away from the flow measuring device body 102, two ends of the reset spring 109 are fixedly connected with the fixed frame 108 and the fixed block 110 respectively, and the fixed rod 114 is located in the reset spring 109.

[0024] In the embodiment, when the flow velocity detection in the pipeline 101 is completed, the two fixing blocks 110 are pulled to the two sides respectively, the two clamping plates 111 are driven to move away from the flow measuring device body 102, and the two reset springs 109 are stretched, so as to release the connection between the flow measuring device body 102 and the pipeline 101. Then the flow measuring device body 102 is pushed, and the four pulleys 106 on the two sides of the flow measuring device body 102 slide on the upper and lower ends of the pipeline 101 respectively. The contact area between the pulley 106 and the pipeline 101 is small, so that the sliding resistance of the flow measuring device body 102 is small, so as to facilitate the movement of the flow measuring device body 102 on the pipeline 101. When the flow measuring device body 102 moves to the appropriate position, the two fixing blocks 110 are released, the two reset springs 109 are contracted under the action of the elastic potential energy, and the two clamping plates 111 clamp the pipeline 101. The friction force formed between the clamping plate 111 and the pipeline 101 can fix the pipeline 101 between the flow measuring device body 102 and the fixing cylinder 107, so as to ensure that the flow measuring device body 102 remains stable during flow measurement. Through the above method, the flow measuring device body 102 can move on the pipeline 101 without the need for operators to disassemble and install again, thereby improving the practicability of the device.

[0025] Further, the two limiting assemblies are respectively arranged at the two ends of the flow measuring device body 102 and the pipeline 101.

[0026] Further, the sliding groove 113 is arranged at one end of the flow measuring device body 102 and located on the inner side wall of the flow measuring device body 102. The sliding bar 112 is fixedly connected with the outer side wall of the pipeline 101 and slidably connected with the flow measuring device body 102 and located in the sliding groove 113.

[0027] In the embodiment, when the flow measuring device body 102 moves on the pipeline 101, the two sliding bars 112 slide in the two sliding grooves 113 respectively. The two sliding bars 112 and the two sliding grooves 113 limit and guide the movement of the flow measuring device body 102, so as to ensure that the flow measuring device body 102 and the pipeline 101 do not rotate relative to each other, thereby improving the structural stability of the device.

[0028] When flow velocity detection of the pipeline 101 is completed, and flow velocity detection of another position of the pipeline 101 is needed, two fixing blocks 110 are pulled to two sides respectively, two clamping plates 111 are driven by the two fixing blocks 110 to move away from the flow measuring device body 102, and two reset springs 109 are stretched, so that the connection between the flow measuring device body 102 and the pipeline 101 is released, the flow measuring device body 102 is pushed, four pulleys 106 on two sides of the flow measuring device body 102 slide on upper and lower ends of the pipeline 101, the contact area between the pulley 106 and the pipeline 101 is small, so that the resistance of the flow measuring device body 102 is small, so that the flow measuring device body 102 moves on the pipeline 101, when the flow measuring device body 102 moves to a proper position, the two fixing blocks 110 are loosened, the two reset springs 109 are contracted under the action of the elastic potential energy, and the two clamping plates 111 clamp the pipeline 101, the friction force formed between the clamping plate 111 and the pipeline 101 makes the pipeline 101 fixed between the flow measuring device body 102 and the fixing cylinder 107, and the flow measuring device body 102 keeps a stable state during flow measurement, the flow measuring device body 102 moves on the pipeline 101 through the above mode, without the need of operators to disassemble and install again, and the practicability of the device is improved.

[0029] The above only discloses a preferred embodiment of the application, and cannot limit the scope of the application. Those skilled in the art can understand that all or part of the above-mentioned embodiments can be implemented, and equivalent changes made according to the claims of the application still belong to the scope of the application.

Claims

1. An ultrasonic flow measuring device, characterized in that, comprising a pipeline, a flow measuring device body and a moving mechanism, the moving mechanism comprising two mounting tubes, four sliding assemblies, a fixed tube and two fixed assemblies, the sliding assembly comprising a support frame, a rotating shaft and a pulley, the flow measuring device body being arranged on the pipeline, and the pipeline being located in the flow measuring device body, two mounting tubes being fixedly connected with two ends of the flow measuring device body, four sliding assemblies being arranged at two ends of the two mounting tubes respectively, the support frame being fixedly connected with one end of the mounting tube and located in the mounting tube, the rotating shaft being rotatably connected with the support frame and the pulley, and the pulley being located in the support frame, one end of the pulley being slidably connected with the pipeline, the fixed tube being fixedly connected with one of the mounting tubes, and two fixed assemblies being arranged at two ends of the fixed tube respectively.

2. The ultrasonic flow measuring device according to claim 1, characterized in that, the fixed assembly comprises a fixed frame, a fixed rod, a clamping plate and an expansion sleeve, the fixed frame being fixedly connected with the fixed tube, the fixed rod being slidably connected with the fixed frame and penetrating through the fixed frame and the fixed tube, the clamping plate being fixedly connected with the fixed rod and located in the fixed tube, and the expansion sleeve being arranged on the fixed frame and the fixed rod assembly and located outside the fixed tube.

3. The ultrasonic flow measuring device according to claim 2, characterized in that, the expansion sleeve comprises a return spring and a fixed block, the fixed block being fixedly connected with the fixed rod and located at one end of the fixed rod away from the flow measuring device body, two ends of the return spring being fixedly connected with the fixed frame and the fixed block respectively, and the fixed rod being located in the return spring.

4. The ultrasonic flow measuring device according to claim 3, characterized in that, the moving mechanism further comprises two limiting assemblies, two limiting assemblies being arranged at two ends of the flow measuring device body and the pipeline respectively.

5. The ultrasonic flow measuring device according to claim 4, characterized in that, the limiting assembly comprises a sliding groove and a sliding bar, the sliding groove being arranged at one end of the flow measuring device body and located on the inner side wall of the flow measuring device body, the sliding bar being fixedly connected with the outer side wall of the pipeline, and the sliding bar being slidably connected with the flow measuring device body and located in the sliding groove.

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