A rectangular pipe cross-section flowmeter

Abstract

The utility model relates to a rectangular tube cross-section flowmeter in the technical field of flowmeters, wherein a flow measurement component for measuring the flow of a fluid in a rectangular pipe is arranged at the top of the circulation component, and a fixed frame for fixing the flow measurement component is fixedly installed at the top of the rectangular pipe; the cleaning device comprises a cleaning component for cleaning the impurities adsorbed on the pipe body of the circulation component, and a driving component for driving the cleaning component to move up and down is arranged in the rectangular pipe. Thus, when cleaning the impurities adsorbed on the fixed pipe, the threaded rod can be driven to rotate by a motor, so that the threaded sleeve on the cleaning plate can be driven to move up and down along the rod body of the threaded rod, and at the same time, the sleeve on the rear end of the cleaning plate can be moved up and down along the guide rod, so that the impurities adsorbed on the fixed pipe can be cleaned to prevent the impurities from clogging the through holes on the fixed pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of flow meters, in particular to a cross-section flow meter for rectangular pipes. Background Art

[0002] A flow meter is an instrument used to measure the flow of fluid in a pipe or open channel. In real life, it is often used to measure the flow rate of water in a water pipe. Existing flow meters are often installed on hard pipes or steel pipes. When the flow meter is used in a specific scenario. For example, as shown in the external card flow meter with Chinese patent application number CN202222950831.8, a protective component is provided on the front side of the mounting component to facilitate the protection of the flow meter body, and the flow meter body is effectively protected. A plurality of limit assemblies are provided on the left and right sides of the mounting component and between the flow meter body, so that the flow meter body can be limited and fixed in the mounting component. Therefore, the external card flow meter can install the flow meter body very simply and quickly.

[0003] However, when a flow meter is used to measure the flow rate of the fluid in the rectangular tube, impurities in the fluid in the rectangular tube may cause the through hole in the detection tube at the bottom of the flow meter to be blocked, thereby affecting the measurement result of the fluid in the rectangular tube. Utility Model Content

[0004] In order to solve the problem raised in the above background technology that when a flow meter is used to measure the flow rate of a fluid in a rectangular tube, impurities in the fluid in the rectangular tube may cause the through hole in the detection tube at the bottom of the flow meter to be blocked, thereby affecting the measurement result of the fluid in the rectangular tube, the utility model provides the following technical solutions:

[0005] A rectangular pipe cross-section flowmeter comprises a flow measuring device arranged in the rectangular pipe for measuring the flow of a fluid in the rectangular pipe, wherein a cleaning device is arranged in the rectangular pipe for cleaning impurities on the flow measuring device.

[0006] The flow measurement device includes a flow component arranged in a rectangular pipe, a flow measurement component for measuring the flow of the fluid in the rectangular pipe is arranged at the top of the flow component, and a fixing frame for fixing the flow measurement component is fixedly installed at the top of the rectangular pipe.

[0007] The cleaning device comprises a cleaning component for cleaning the impurities adsorbed on the pipe body of the circulation component, and a driving component for driving the cleaning component to move up and down is arranged in the rectangular pipe.

[0008] Furthermore, the circulation component includes a plurality of fixed tubes arranged in the rectangular pipe, and a plurality of through holes are provided on the tube body of the fixed tube for fluid to enter the fixed tube.

[0009] Furthermore, the flow measurement assembly includes a shunt tube fixedly mounted on the top of the fixed tube, and the shunt tube passes through the top of the rectangular pipe, and a flow tube is fixedly mounted on the top of the shunt tube.

[0010] Furthermore, a connecting pipe is fixedly installed at the top end of the circulation pipe, and a flow meter for measuring the flow rate of the fluid in the rectangular pipe is fixedly installed at the top end of the connecting pipe.

[0011] Furthermore, the driving assembly includes a threaded rod arranged in a rectangular pipe for rotation, a motor for driving the threaded rod to rotate is fixedly installed on the top of the threaded rod, and a guide rod for assisting the threaded rod to drive the cleaning assembly to move up and down is arranged on the rear side of the threaded rod.

[0012] Furthermore, the cleaning component includes a cleaning plate for cleaning adsorbed impurities on the circulation component, the front end of the cleaning plate is fixedly installed with a threaded sleeve for threaded connection with the threaded rod, and the rear end of the cleaning plate is fixedly installed with a sleeve for sliding on the guide rod.

[0013] Furthermore, threaded holes for fixing the rectangular pipe on the water pipe are provided at the front and rear ends of the rectangular pipe, and there are a plurality of threaded holes, which are distributed in a rectangular array at the front and rear ends of the rectangular pipe.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] By arranging a flow measuring device and a cleaning device, when cleaning impurities adsorbed on the fixed pipe, the threaded rod can be driven to rotate by a motor, which can drive the threaded sleeve on the cleaning plate to move up and down along the rod body of the threaded rod. At the same time, the sleeve on the rear end of the cleaning plate moves up and down along the guide rod, so as to clean the impurities adsorbed on the fixed pipe to prevent the impurities from clogging the through holes on the fixed pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is the left view of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the flow detection device of the utility model;

[0019] Figure 4 This is a cross-sectional view of a rectangular pipe of the utility model;

[0020] Figure 5 It is a schematic diagram of the structure of the cleaning device of the utility model.

[0021] In the accompanying drawings, the names of the components represented by the reference numerals are listed as follows:

[0022] 100-Rectangular pipe;

[0023] 200 - flow measurement device, 210 - fixed frame, 220 - flow measurement assembly, 221 - flow meter, 222 - connecting pipe, 223 - flow pipe, 224 - diverter pipe, 230 - separation assembly, 231 - fixed pipe, 232 - through hole;

[0024] 300-cleaning device, 310-driving assembly, 311-motor, 312-threaded rod, 313-guide rod, 320-cleaning assembly, 321-cleaning plate, 322-threaded sleeve plate, 323-sleeve plate;

[0025] 001-Threaded hole. DETAILED DESCRIPTION

[0026] The preferred specific implementation methods for implementing the present utility model are described in detail below, and a clear and complete description is made in conjunction with the accompanying drawings.

[0027] See also Figure 1-Figure 5 , the utility model provides a cross-section flowmeter for rectangular tubes.

[0028] The flow measuring device 200 is provided in the rectangular pipe 100 for measuring the flow of the fluid in the rectangular pipe 100 , and a cleaning device 300 is provided in the rectangular pipe 100 for cleaning impurities on the flow measuring device 200 .

[0029] Threaded holes 001 for fixing the rectangular pipe 100 on the water pipe are provided at the front and rear ends of the rectangular pipe 100, and there are a plurality of threaded holes 001, which are distributed in a rectangular array at the front and rear ends of the rectangular pipe 100, so that the rectangular pipe 100 can be fixed to the water pipe by threaded connection of bolts and nuts, so that the flow rate of the fluid flowing into the rectangular pipe 100 can be measured by using the flow measuring device 200.

[0030] The flow measurement device 200 includes a flow component 230 arranged in the rectangular pipe 100, and a flow measurement component 220 for measuring the flow of the fluid in the rectangular pipe 100 is arranged at the top of the flow component 230. A fixing frame 210 for fixing the flow measurement component 220 is fixedly installed at the top of the rectangular pipe 100.

[0031] The circulation component 230 includes a fixed tube 231 arranged in the rectangular pipe 100, and there are a plurality of fixed tubes 231, and the plurality of fixed tubes 231 are distributed in a linear array in the rectangular pipe 100. A through hole 232 for fluid to enter the fixed tube 231 is opened on the tube body of the fixed tube 231, and there are a plurality of through holes 232, and the plurality of through holes 232 are distributed in a linear array on the fixed tube 231; thus, when the fluid is circulating in the rectangular pipe 100, the fluid can flow into the fixed tube 231 through the through hole 232, and the flow measurement component 220 is used to measure the fluid flowing into the rectangular pipe 100.

[0032] The flow measurement assembly 220 includes a shunt tube 224 fixedly mounted on the top of a fixed tube 231, and the shunt tube 224 passes through the top of the rectangular pipe 100, a flow tube 223 is fixedly mounted on the top of the shunt tube 224, a connecting tube 222 is fixedly mounted on the top of the flow tube 223, and a flow meter 221 for measuring the flow of the fluid in the rectangular pipe 100 is fixedly mounted on the top of the connecting tube 222; so that the flow meter 221 can be used to measure the fluid flowing into the rectangular pipe 100.

[0033] The cleaning device 300 includes a cleaning component 320 for cleaning impurities adsorbed on the pipe body of the circulation component 230 , and a driving component 310 for driving the cleaning component 320 to move up and down is arranged in the rectangular pipe 100 .

[0034] The driving assembly 310 includes a threaded rod 312 arranged in the rectangular pipe 100 for rotation, and the upper and lower ends of the threaded rod 312 are connected to the pipe body of the rectangular pipe 100 through bearings to facilitate the rotation of the threaded rod 312; a motor 311 for driving the threaded rod 312 to rotate is fixedly installed at the top of the threaded rod 312, and the shaft end of the output shaft of the motor 311 is connected to the top of the threaded rod 312 through a coupling, so that when the motor 311 is started, the threaded rod 312 can be rotated, which can drive the cleaning assembly 320 to clean the impurities adsorbed on the fixed pipe 231 to prevent the impurities from clogging the through hole 232 on the fixed pipe 231; a guide rod 313 is provided on the rear side of the threaded rod 312 to assist the threaded rod 312 in driving the cleaning assembly 320 to move up and down, so that with the assistance of the guide rod 313, the cleaning assembly 320 is always moved up and down under the rotation of the threaded rod 312.

[0035] The cleaning component 320 includes a cleaning plate 321 for cleaning impurities adsorbed on the circulation component 230, a threaded sleeve 322 for threaded connection with the threaded rod 312 is fixedly installed at the front end of the cleaning plate 321, and a sleeve 323 for sliding on the guide rod 313 is fixedly installed at the rear end of the cleaning plate 321; thus, when cleaning impurities adsorbed on the fixed tube 231, the threaded rod 312 can be driven to rotate by the motor 311, so that the threaded sleeve 322 on the cleaning plate 321 can be driven to move up and down along the rod body of the threaded rod 312, and at the same time, the sleeve 323 on the rear end of the cleaning plate 321 moves up and down along the guide rod 313, so that the impurities adsorbed on the fixed tube 231 can be cleaned to prevent the impurities from clogging the through hole 232 on the fixed tube 231.

[0036] Based on the above content and the accompanying drawings, those skilled in the art can understand and implement the utility model. In addition, any non-creative modifications made to the utility model by those skilled in the art without making creative work still fall within the scope of protection of the utility model.

Claims

1. A rectangular tube cross-section flowmeter, characterized in that: It comprises a flow measurement device (200) arranged in a rectangular pipe (100) for measuring the flow rate of a fluid in the rectangular pipe (100); a cleaning device (300) is arranged in the rectangular pipe (100) for cleaning impurities on the flow measurement device (200); The flow measurement device (200) comprises a flow assembly (230) arranged in a rectangular pipe (100), a flow measurement assembly (220) for measuring the flow of a fluid in the rectangular pipe (100) being arranged at the top end of the flow assembly (230), and a fixing frame (210) for fixing the flow measurement assembly (220) being fixedly installed at the top end of the rectangular pipe (100); The cleaning device (300) comprises a cleaning component (320) for cleaning impurities adsorbed on the pipe body of the circulation component (230), and a driving component (310) for driving the cleaning component (320) to move up and down is arranged in the rectangular pipe (100).

2. A rectangular tube cross-section flowmeter according to claim 1, characterized in that: The circulation component (230) comprises a plurality of fixed tubes (231) arranged in the rectangular pipe (100), and a plurality of through holes (232) are provided on the tube body of the fixed tube (231) for allowing fluid to enter the fixed tube (231). The plurality of through holes (232) are provided.

3. A rectangular tube cross-section flowmeter according to claim 2, characterized in that: The flow measurement assembly (220) comprises a shunt tube (224) fixedly mounted on the top of a fixed tube (231), and the shunt tube (224) penetrates the top of the rectangular pipe (100), and a flow tube (223) is fixedly mounted on the top of the shunt tube (224).

4. A rectangular tube cross-section flowmeter according to claim 3, characterized in that: A connecting pipe (222) is fixedly mounted on the top end of the circulation pipe (223), and a flow meter (221) for measuring the flow rate of the fluid in the rectangular pipe (100) is fixedly mounted on the top end of the connecting pipe (222).

5. A rectangular tube cross-section flowmeter according to claim 1, characterized in that: The driving assembly (310) comprises a threaded rod (312) arranged in a rectangular pipe (100) for rotation, a motor (311) for driving the threaded rod (312) to rotate is fixedly mounted on the top end of the threaded rod (312), and a guide rod (313) for assisting the threaded rod (312) in driving the cleaning assembly (320) to move up and down is arranged on the rear side of the threaded rod (312).

6. A rectangular tube cross-section flowmeter according to claim 5, characterized in that: The cleaning component (320) comprises a cleaning plate (321) for cleaning adsorbed impurities on the circulation component (230); a threaded sleeve (322) for threaded connection with a threaded rod (312) is fixedly mounted on the front end of the cleaning plate (321); and a sleeve (323) for sliding on a guide rod (313) is fixedly mounted on the rear end of the cleaning plate (321).

7. A rectangular tube cross-section flowmeter according to claim 1, characterized in that: The front and rear ends of the rectangular pipe (100) are provided with threaded holes (001) for fixing the rectangular pipe (100) on a water pipe, and there are a plurality of threaded holes (001), which are distributed in a rectangular array at the front and rear ends of the rectangular pipe (100).

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