CN118443122A - An efficient ultrasonic water meter testing device and testing method thereof - Google Patents

Abstract

The invention discloses a high-efficiency ultrasonic water meter testing device and a testing method thereof, and relates to the technical field of water meter testing. The key points of the technical scheme are as follows: including the support, the support surface is provided with puts the work or material rest, be provided with the water gauge body that awaits measuring on putting the work or material rest, the support surface is located the both sides of putting the work or material rest and is provided with the slide bar respectively, the slide bar is vertical to be set up and sliding connection in the support surface, one of them the top fixed mounting of slide bar has standard water gauge, another the top fixed mounting of slide bar has standard water gauge body, standard water gauge's water inlet end is provided with the inlet tube, standard water gauge body's water outlet end is connected with the outlet pipe, be provided with hydrologic cycle subassembly between outlet pipe and the inlet tube. The invention aims to provide a high-efficiency ultrasonic water meter testing device and a testing method thereof.

Description

An efficient ultrasonic water meter testing device and testing method thereof

Technical Field

The invention relates to the field of water meter testing and counting, and more particularly to an efficient ultrasonic water meter testing device and a testing method thereof.

Background technique

Measurement accuracy and pressure loss are two important indicators for measuring water metering. Ultrasonic water meters are velocity measuring instruments that obtain flow field velocity information loaded during the transmission of sound waves by measuring the flight time.

The ultrasonic water meter includes a tubular water meter body and a metering device installed on the water meter body. After the metering device and the water meter body are installed, they need to be tested to ensure the final measurement accuracy of the ultrasonic water meter. The existing testing device requires repeated installation and disassembly of the ultrasonic water meter, which consumes a lot of manpower, and usually can only detect the ultrasonic water meter itself, and cannot test the water meter body and the metering device separately. Therefore, additional manpower is required for separate testing.

Therefore, a new technical solution is urgently needed to solve the above technical problems.

Summary of the invention

In view of the deficiencies in the prior art, an object of the present invention is to provide an efficient ultrasonic water meter testing device and a testing method thereof.

The above technical objectives of the present invention are achieved through the following technical solutions: an efficient ultrasonic water meter testing device, comprising a bracket, a material rack is arranged on the surface of the bracket, a water meter body to be tested is arranged on the material rack, sliding rods are arranged on both sides of the bracket surface respectively, the sliding rods are vertically arranged and slidably connected to the bracket surface, a standard water meter is fixedly installed on the top of one of the sliding rods, and a standard water meter body is fixedly installed on the top of the other sliding rod, a water inlet pipe is arranged at the water inlet end of the standard water meter, a water outlet pipe is connected to the water outlet end of the standard water meter body, and a water circulation component is arranged between the water outlet pipe and the water inlet pipe;

It also includes a driving assembly for driving the two sliding rods to move relative to or away from each other. After the driving assembly drives the two sliding rods to move relative to each other, the standard water meter, the water meter body to be tested and the standard water meter body are connected.

By adopting the above technical solution, when conducting a test, the water meter body to be tested and the metering device can be installed and placed on a rack to test them as a whole. At the same time, the metering device to be tested can be installed on the standard water meter body to test the metering device separately. The driving component can drive the two sliding rods to move relative to each other, so that the standard water meter, the water meter body to be tested and the standard water meter body are connected, thereby reducing the manual installation process and reducing the labor cost of the test.

The present invention is further configured as follows: a first male connector is provided at the water outlet end of the standard water meter, a first female connector is provided at the water inlet end of the water meter body to be tested and matched with the first male connector, a second male connector is provided at the water outlet end of the water meter body to be tested, and a second female connector is provided at the water inlet end of the standard water meter body and matched with the second male connector.

The present invention is further configured as follows: the bracket includes a top plate, the top plate is provided with a sliding groove for sliding connection of the sliding rod, the inner walls on both sides of the sliding groove are provided with limiting grooves along the length direction thereof, and the side walls of the sliding rod are provided with limiting blocks slidably connected to the limiting grooves.

The present invention is further configured as follows: vertically arranged support rods are fixedly connected to the two ends of the bottom of the top plate, the driving assembly includes a driving rod that is horizontally arranged and slidably connected between the two support rods along the vertical direction, the bottom end of the sliding rod is hinged with a connecting rod, the other end of the connecting rod is hinged to the surface of the driving rod, and the lower surface of the top plate is fixedly connected to a vertically arranged cylinder, and the piston rod end of the cylinder is fixedly connected to the surface of the driving rod.

The present invention is further configured as follows: horizontally arranged sliding rods are arranged on the opposite side walls of the two sliding rods, a sliding groove for sliding connection of the sliding rod is opened on the inner wall of the end of the sliding groove, and a first spring is arranged between the inner wall of the end of the sliding groove and the end of the sliding rod.

The present invention is further configured as follows: the sliding rod includes a lower rod and an upper rod arranged at the top of the lower rod, the upper rod is slidably connected to the top of the lower rod along the sliding direction of the sliding rod, the outer side wall of the lower rod is fixedly connected with a connecting block, the end of the connecting block is fixedly connected with a vertically upward connecting plate, the outer side wall of the upper rod is fixedly connected with a horizontally arranged connecting rod, the connecting rod is penetrated and slidably connected to the connecting plate, and a second spring is sleeved on the connecting rod between the upper rod and the connecting plate.

The present invention is further configured as follows: a manual valve is provided at the water inlet end of the standard water meter.

The present invention is further configured as follows: the water circulation device includes a water tank, a water pump is arranged in the water tank, one end of the water inlet pipe is connected to the water pump, and one end of the water outlet pipe is placed in the water tank.

A testing method for an ultrasonic water meter testing device comprises the following steps:

S1. Workpiece installation: Place a water meter body to be tested on a material rack, and install two metering devices to be tested on the water meter body to be tested and the standard water meter body respectively;

S2. Test preparation: The two sliding rods are driven to move relative to each other through the driving assembly, so that the standard water meter, the water meter body to be tested and the standard water meter body are connected at the end, and water is passed into the water inlet pipe through the water circulation assembly;

S3. Result judgment: If the test results of the standard water meter, the water meter to be tested and the standard water meter are consistent, it means that the water meter to be tested and the two measuring devices meet the requirements. If the reading of the water meter to be tested is inconsistent with the reading of the standard water meter, a secondary test is performed. If the readings on the standard water meter are inconsistent, the measuring device installed on the standard water meter does not meet the requirements.

S4. Secondary test: If the result of the water meter to be tested is inconsistent with that of the standard water meter, the measuring device is installed on the standard water meter for testing, and a measuring device that meets the requirements is installed on the water meter to be tested for secondary testing. If the reading on the water meter to be tested is inconsistent with that on the standard water meter, it means that the water meter to be tested does not meet the requirements. If there is a problem with the reading on the standard water meter to be tested, it means that the measuring device does not meet the requirements.

The present invention has the following beneficial effects: when conducting a test, the water meter body to be tested and the metering device can be installed and placed on a material rack to test them as a whole, and at the same time, the metering device to be tested can be installed on the standard water meter body to test the metering device separately, and the two sliding rods can be driven by the driving component to move relative to each other, so that the standard water meter, the water meter body to be tested and the standard water meter body are connected, thereby reducing the manual installation process and reducing the labor cost of the test.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the three-dimensional structure of this embodiment;

FIG2 is a schematic cross-sectional view of the present embodiment;

FIG. 3 is a schematic structural diagram of the sliding rod of this embodiment.

Description of the drawings: 1. bracket; 101. top plate; 102. support rod; 2. material rack; 3. water meter body to be tested; 4. sliding rod; 5. standard water meter; 6. standard water meter body; 7. water inlet pipe; 8. water outlet pipe; 9. first male connector; 10. first female connector; 11. second male connector; 12. second female connector; 13. sliding groove; 14. limit block; 15. drive rod; 16. connecting rod; 17. cylinder; 18. sliding rod; 19. first spring; 20. lower rod; 21. upper rod; 22. connecting block; 23. connecting plate; 24. connecting rod; 25. second spring; 26. manual valve; 27. water tank; 28. water pump.

Detailed ways

The present invention is further described in detail below in conjunction with the accompanying drawings.

The same parts are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "bottom" and "top", "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

As shown in the figure, an efficient ultrasonic water meter testing device comprises a bracket 1, a material rack 2 is arranged on the surface of the bracket 1, a water meter body 3 to be tested is arranged on the material rack 2, sliding rods 4 are arranged on both sides of the material rack 2 on the surface of the bracket 1, the sliding rods 4 are vertically arranged and slidably connected to the surface of the bracket 1, a standard water meter 5 is fixedly installed on the top of one of the sliding rods 4, a standard water meter body 6 (without a metering device installed) is fixedly installed on the top of the other sliding rod 4, a water inlet pipe 7 is arranged at the water inlet end of the standard water meter 5, a water outlet pipe 8 is connected to the water outlet end of the standard water meter body 6, and a water circulation component is arranged between the water outlet pipe 8 and the water inlet pipe 7;

It also includes a driving component for driving the two sliding rods 4 to move relative to or away from each other. After the driving component drives the two sliding rods 4 to move relative to each other, the standard water meter 5, the water meter body 3 to be tested and the standard water meter body 6 are connected.

During the test, the water meter body 3 to be tested and the metering device can be installed and placed on the rack 2 to test them as a whole. At the same time, the metering device to be tested can be installed on the standard water meter body 6 to test the metering device separately. The driving assembly can drive the two sliding rods 4 to move relative to each other, so that the standard water meter 5, the water meter body 3 to be tested and the standard water meter body 6 are connected, thereby reducing the manual installation process and reducing the labor cost of the test.

The water outlet of the standard water meter 5 is provided with a first male connector 9, the water inlet of the water meter body 3 to be tested is provided with a first female connector 10 matched with the first male connector 9, the water outlet of the water meter body 3 to be tested is provided with a second male connector 11, and the water inlet of the standard water meter body 6 is provided with a second female connector 12 matched with the second male connector 11. When the driving assembly drives the two sliding rods 4 to move relative to each other, the first male connector 9 is inserted into the first female connector 10, and the second male connector 11 is inserted into the second female connector 12, thereby ensuring the sealing of the three water meters after connection and ensuring the final test accuracy.

The bracket 1 includes a top plate 101, which is provided with a sliding groove 13 for slidingly connecting the sliding rod 4, and the inner walls on both sides of the sliding groove 13 are provided with limit grooves along the length direction thereof, and the side walls of the sliding rod 4 are provided with limit blocks 14 that are slidably connected to the limit grooves. The bottom ends of the top plate 101 are fixedly connected with vertically arranged support rods 102, and the driving assembly includes a driving rod 15 that is horizontally arranged and slidably connected between the two support rods 102 in the vertical direction, and the bottom end of the sliding rod 4 is hinged with a connecting rod 16, and the other end of the connecting rod 16 is hinged to the surface of the driving rod 15. The lower surface of the top plate is fixedly connected with a vertically arranged cylinder 17, and the piston rod end of the cylinder 17 is fixedly connected to the surface of the driving rod.

The side walls opposite to the two sliding rods 4 are provided with horizontally arranged sliding rods 18, the inner wall at the end of the inner side of the sliding groove 13 is provided with a sliding groove for sliding connection of the sliding rod 18, and a first spring 19 is provided between the inner wall at the end of the sliding groove and the end of the sliding rod 18. The cylinder 17 drives the driving rod to move downward, and under the action of the connecting rod 16, the two sliding rods 4 are driven to move relative to each other, and the sliding rod 18 slides along the sliding groove, so that the first spring 19 is compressed to improve the stability of the test work. After the test is completed, when the cylinder 17 is reset, the two sliding rods 4 can be reset smoothly under the elastic force of the first spring 19.

The sliding rod 4 includes a lower rod 20 and an upper rod 21 disposed at the top of the lower rod 20, the upper rod 21 is slidably connected to the top of the lower rod 20 along the sliding direction of the sliding rod 4, the outer wall of the lower rod 20 is fixedly connected with a connecting block 22, the end of the connecting block 22 is fixedly connected with a vertically upward connecting plate 23, the outer wall of the upper rod 21 is fixedly connected with a horizontally arranged connecting column 24, the connecting column 24 is penetrated and slidably connected to the connecting plate 23, and a second spring 25 is sleeved on the connecting column 24 between the upper rod 21 and the connecting plate 23. After the driving component drives the sliding rod 4 to move relative to each other, when the three water meters are connected, the driving component drives the lower rod 20 to continue to move relative to each other for a certain distance, the two upper rods 21 are relatively stationary, and the two second springs 25 are compressed. Under the elastic force of the second springs 25, the ends of the three water meters are pressed against each other, further improving the sealing between the three water meters and improving the accuracy of the final test results.

The water inlet end of the standard water meter 5 is provided with a manual valve 26, which is convenient for the staff to control the start or end of the test work through the manual valve.

The water circulation device includes a water tank 27, in which a water pump 28 is arranged. One end of a water inlet pipe 7 is connected to the water pump 28, and one end of a water outlet pipe 8 is placed in the water tank 27. The water pump 28 pumps the water in the water tank 27 into the water inlet pipe 7. The water passes through the standard water meter 5, the water meter body 3 to be tested and the standard water meter body 6 in sequence, and then flows back to the water tank 27 through the water outlet pipe 8.

A testing method for the ultrasonic water meter testing device comprises the following steps:

S1. Workpiece installation: Place a water meter body 3 to be tested on the material rack 2, and install two metering devices to be tested on the water meter body 3 to be tested and the standard water meter body 6 respectively;

S2, test preparation: the two sliding rods 4 are driven to move relative to each other through the driving assembly, so that the standard water meter 5, the water meter body 3 to be tested and the standard water meter body 6 are connected at the end, and water is passed into the water inlet pipe through the water circulation assembly;

S3, result judgment: if the test results of the standard water meter 5, the water meter body 3 to be tested and the standard water meter body 6 are consistent, it means that the water meter body 3 to be tested and the two measuring devices meet the requirements. If the reading of the water meter body 3 to be tested is inconsistent with the reading of the standard water meter 5, a secondary test is performed. If the reading on the standard water meter body 6 is inconsistent, the measuring device installed on the standard water meter body 6 does not meet the requirements.

S4. Secondary test: If the result of the water meter body 3 to be tested is inconsistent with that of the standard water meter 5, the metering device is installed on the standard water meter body 6 for testing, and a metering device that meets the requirements is installed on the water meter body 3 to be tested for secondary testing. If the reading on the water meter body 3 to be tested is inconsistent with that on the standard water meter 5, it means that the water meter body 3 to be tested does not meet the requirements. If there is a problem with the reading on the standard water meter to be tested, it means that the metering device does not meet the requirements.

The specific embodiments are merely explanations of the present invention and are not limitations of the present invention. After reading this specification, those skilled in the art may make modifications to the embodiments without any creative contribution as needed. However, such modifications are protected by the patent law as long as they are within the scope of the claims of the present invention.

Claims (9)

1. An efficient ultrasonic water meter testing arrangement, its characterized in that: the water meter comprises a support (1), wherein a material placing frame (2) is arranged on the surface of the support (1), a water meter body (3) to be measured is arranged on the material placing frame (2), sliding rods (4) are respectively arranged on two sides of the surface of the support (1) and are vertically arranged and connected to the surface of the support (1) in a sliding mode, one of the sliding rods (4) is fixedly provided with a standard water meter (5) on the top end, the other sliding rod (4) is fixedly provided with a standard water meter body (6), the water inlet end of the standard water meter (5) is provided with a water inlet pipe (7), the water outlet end of the standard water meter body (6) is connected with a water outlet pipe (8), and a water circulation assembly is arranged between the water outlet pipe (8) and the water inlet pipe (7);

The water meter further comprises a driving assembly used for driving the two sliding rods (4) to move relatively or away from each other, and after the driving assembly drives the two sliding rods (4) to move relatively, the standard water meter (5) and the water meter body (3) to be measured are connected with the standard water meter body (6) in a tail-end mode.

2. The efficient ultrasonic water meter testing device according to claim 1, wherein: the water outlet end of the standard water meter (5) is provided with a first male connector (9), the water inlet end of the water meter body (3) to be measured is provided with a first female connector (10) matched with the first male connector (9), the water outlet end of the water meter body (3) to be measured is provided with a second male connector (11), and the water inlet end of the standard water meter body (6) is provided with a second female connector (12) matched with the second male connector (11).

3. The efficient ultrasonic water meter testing device according to claim 1, wherein: the support (1) comprises a top plate (101), the top plate (101) is provided with a sliding groove (13) for sliding connection of a sliding rod (4), two side inner walls of the sliding groove are provided with limiting grooves along the length direction of the sliding groove, and the side wall of the sliding rod (4) is provided with limiting blocks (14) which are in sliding connection with the limiting grooves.

4. A high efficiency ultrasonic water meter testing device according to claim 3, wherein: the bottom both ends fixedly connected with vertical branch (102) of roof (101), drive assembly sets up and follows actuating lever (15) between two branches (102) of vertical direction sliding connection including the level, the bottom of slide bar (4) articulates there is connecting rod (16), the other end of connecting rod (16) articulates in the surface of actuating lever (15), the lower fixed surface of roof (101) is connected with cylinder (17) of vertical setting, the piston rod tip fixed connection of cylinder (17) is in the surface of actuating lever (15).

5. The efficient ultrasonic water meter testing device according to claim 4, wherein: the two opposite side walls of the sliding rods (4) are provided with sliding rods (18) which are horizontally arranged, sliding grooves for sliding connection of the sliding rods (18) are formed in the inner walls of the end parts of the inner sides of the sliding grooves (13), and first springs (19) are arranged between the inner walls of the end parts of the sliding grooves and the end parts of the sliding rods.

6. The efficient ultrasonic water meter testing device according to claim 1, wherein: the utility model provides a sliding rod (4) include lower pole (20) and set up in upper rod (21) at lower pole (20) top, upper rod (21) are along the slip direction sliding connection of sliding rod (4) in the top of lower pole (20), the lateral wall fixedly connected with connecting block (22) of lower pole (20), the vertical ascending connecting plate (23) of tip fixedly connected with of connecting block (22), the spliced pole (24) of upper rod (21) lateral wall fixedly connected with level setting, spliced pole (24) wear to establish and sliding connection in connecting plate (23), cover is equipped with second spring (25) between upper rod (21) and connecting plate (23) on spliced pole (24).

7. The efficient ultrasonic water meter testing device according to claim 1, wherein: the water inlet end of the standard water meter (5) is provided with a manual valve (26).

8. The efficient ultrasonic water meter testing device according to claim 1, wherein: the water circulation device comprises a water storage tank (27), a water pump (28) is arranged in the water storage tank (27), one end of the water inlet pipe (7) is connected with the water pump (28), and one end of the water outlet pipe (8) is arranged in the water storage tank (27).

9. A method of testing an ultrasonic water meter testing device according to claims 1-8, comprising the steps of:

S1, workpiece installation: placing a water meter body (3) to be measured on a material placing frame (2), and respectively installing two metering devices to be detected on the water meter body (3) to be measured and a standard water meter body (6);

S2, test preparation: the two sliding rods (4) are driven to move relatively through the driving assembly, so that the standard water meter (5), the water meter body (3) to be measured and the standard water meter body (6) are connected in an ending mode, and water is led into the water inlet pipe (7) through the water circulation assembly;

S3, judging a result: if the detection results of the standard water meter (5), the water meter body (3) to be measured and the standard water meter body (6) are consistent, the water meter body (3) to be measured and the two metering devices are required, if the reading of the water meter body (3) to be measured is inconsistent with the reading of the standard water meter (5), a secondary test is carried out, and if the reading of the standard water meter body (6) is inconsistent, the metering devices arranged on the standard water meter body (6) are not required;

S4, secondary test: if the result of the water meter body (3) to be measured is inconsistent with the result of the standard water meter (5), the metering device is arranged on the standard water meter body (6) for testing, and the metering device meeting the requirements is arranged on the water meter body (3) to be measured for secondary testing, when the reading on the water meter body (3) to be measured is inconsistent with the reading of the standard water meter, the water meter body (3) to be measured is not met, and if the reading on the standard to be measured is problematic, the metering device is not met.