CN218066680U

CN218066680U - Flowmeter testing device

Info

Publication number: CN218066680U
Application number: CN202121776019.7U
Authority: CN
Inventors: 牛海龙
Original assignee: Hefei Pulian Automation Instrument Co ltd
Current assignee: Hefei Pulian Automation Instrument Co ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2022-12-16
Anticipated expiration: 2031-08-02

Abstract

The utility model discloses a flowmeter testing arrangement, including fixed platform, fixed platform's last fixed surface installs the test frame, and the both sides inner wall of test frame fixed mounting respectively has installation otter board and trachea, and tracheal surface is provided with a plurality of head of giving vent to anger, and the both sides inner wall of test frame is provided with the test tube way, and the right-hand member of test tube way is provided with first three-way pipe, and the surface of test tube way is provided with the flowmeter body, and fixed platform's right flank is provided with the refrigerator, and the output of refrigerator is provided with the second three-way pipe. This flowmeter testing arrangement through setting up fixed platform, rectangular channel, lead screw, an internal thread section of thick bamboo, backup pad, universal wheel, rotating electrical machines and fluted disc, makes this testing arrangement when needs remove, can drive the lead screw through rotating electrical machines's rotation and rotate, and the rotation of lead screw makes backup pad rebound through an internal thread section of thick bamboo to make universal wheel and ground contact, realize the purpose of the removal of being convenient for.

Description

Flowmeter testing device

Technical Field

The utility model relates to a flowmeter test technical field specifically is a flowmeter testing arrangement.

Background

The flow meter is defined by the committee for approval in the national science and technology nomenclature as: meters that indicate the measured flow rate and/or the total amount of fluid in a selected time interval are, in short, meters for measuring the flow rate of fluid in a pipe or open channel.

The flowmeter needs to be tested after production, wherein stability testing under extreme weather is one of common testing contents, but most of the existing flowmeter extreme weather testing devices are large in size and inconvenient to move, and testing is realized only by means of temperature control outside the flowmeter in the testing process, so that certain limitation exists.

Therefore, we propose a flowmeter test device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flowmeter testing arrangement to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a flowmeter testing arrangement, including fixed platform, fixed platform's last fixed surface installs the test frame, the both sides inner wall of test frame is fixed mounting respectively has installation otter board and trachea, tracheal surface is provided with a plurality of air outlet, the both sides inner wall of test frame is provided with the test tube, the right-hand member of test tube is provided with first three-way pipe, the surface of test tube is provided with the flowmeter body, fixed platform's right flank is provided with the refrigerator, the output of refrigerator is provided with the second three-way pipe, the other both ends of second three-way pipe respectively with the trachea with the port department fixed connection of first three-way pipe, another port of first three-way pipe is provided with the connecting pipe, the one end that first three-way pipe was kept away from to the connecting pipe is provided with gas transmission equipment, the rectangular channel has been seted up to fixed platform's lower surface, the interior roof of rectangular channel rotates and is connected with the lead screw, the surperficial threaded connection of lead screw has an interior screw thread section of thick bamboo, the bottom fixed mounting of interior screw section of thick bamboo has the backup pad, fixed platform's lower surface is provided with the supporting leg.

Preferably, the surfaces of the left side and the upper side pipeline of the connecting pipe and the second three-way pipe are respectively provided with a first electromagnetic valve, a second electromagnetic valve and a third electromagnetic valve.

Preferably, the inner wall of the rectangular groove is fixedly provided with a rotating motor, the output end of the rotating motor and the surface of the screw rod are fixedly provided with fluted discs, and the two fluted discs are meshed with each other.

Preferably, the quantity of supporting leg is four, and four supporting legs are the lower surface that the rectangle array set up at fixed platform, and the bottom of four supporting legs all is provided with the universal wheel.

Preferably, four gliding slide opening of confession supporting leg have been seted up to the upper surface of backup pad, and the four corners department of backup pad lower surface all is provided with the supporting pad.

Preferably, a transparent observation window and a controller are respectively embedded in the front face of the test frame.

Advantageous effects

The utility model provides a flowmeter testing arrangement possesses following beneficial effect:

1. the flowmeter testing device comprises an air pipe, a first three-way pipe, a refrigerator, a second three-way pipe, a gas transmission device, a first electromagnetic valve, a second electromagnetic valve and a third electromagnetic valve, wherein when the flowmeter is tested, the second electromagnetic valve and the third electromagnetic valve are firstly closed, the first electromagnetic valve is opened, the gas transmission device is enabled to transmit normal gas to a flowmeter body, a first group of numerical values are recorded, the third electromagnetic valve is closed, the second electromagnetic valve and the first electromagnetic valve are opened, the refrigerator is enabled to cool the inside of a testing frame, a second group of numerical values are recorded, the numerical values are numerical values of the flowmeter under a low-temperature external environment, the second electromagnetic valve is finally closed, the first electromagnetic valve and the third electromagnetic valve are opened, the refrigerator is enabled to cool input gas, a third group of numerical values are recorded, the numerical values are numerical values of the low-temperature gas passing through the flowmeter body, the second group of numerical values and the third group of numerical values are compared with the first group of numerical values, and the purpose of testing the flowmeter under the low-temperature external environment and the low-temperature air is achieved.

2. This flowmeter testing arrangement through setting up fixed platform, rectangular channel, lead screw, an internal thread section of thick bamboo, backup pad, universal wheel, rotating electrical machines and fluted disc, makes this testing arrangement when needs remove, can drive the lead screw through rotating electrical machines's rotation and rotate, and the rotation of lead screw makes backup pad rebound through an internal thread section of thick bamboo to make universal wheel and ground contact, realize the purpose of the removal of being convenient for.

Drawings

FIG. 1 is a schematic view of the front cut structure of the present invention;

FIG. 2 is a schematic view of the front view structure of the present invention;

fig. 3 is a schematic view of the three-dimensional structure of the support plate of the present invention.

In the figure: the device comprises a fixed platform 1, a test frame 2, an installation screen plate 3, an air pipe 4, a test pipeline 5, a first three-way pipe 6, a flowmeter body 7, a refrigerator 8, a second three-way pipe 9, a gas transmission device 10, a lead screw 11, an internal thread barrel 12, a support plate 13, a first electromagnetic valve 14, a second electromagnetic valve 15, a third electromagnetic valve 16, a rotating motor 17, a fluted disc 18, a universal wheel 19, a transparent observation window 20 and a controller 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a flowmeter testing arrangement, includes fixed platform 1, and fixed platform 1's last fixed surface installs test frame 2, and transparent observation window 20 and controller 21 are inlayed respectively in test frame 2's front.

The inner walls of two sides of the test frame 2 are respectively and fixedly provided with an installation screen plate 3 and an air pipe 4, the surface of the air pipe 4 is provided with a plurality of air outlet heads, the inner walls of two sides of the test frame 2 are provided with a test pipeline 5, the right end of the test pipeline 5 is provided with a first three-way pipe 6, the surface of the test pipeline 5 is provided with a flowmeter body 7, the right side surface of the fixed platform 1 is provided with a refrigerator 8, the refrigerator 8 can also be changed into a heater, the output end of the refrigerator 8 is provided with a second three-way pipe 9, the other two ends of the second three-way pipe 9 are respectively and fixedly connected with the port parts of the air pipe 4 and the first three-way pipe 6, the other port part of the first three-way pipe 6 is provided with a connecting pipe, one end of the connecting pipe, which is far away from the first three-way pipe 6, is provided with an air conveying device 10, and the surfaces of the left side pipeline and the upper side pipeline of the connecting pipe and the second three-way pipe 9 are respectively provided with a first electromagnetic valve 14, a second electromagnetic valve 15 and a third electromagnetic valve 16.

By arranging the air pipe 4, the first three-way pipe 6, the refrigerator 8, the second three-way pipe 9, the gas transmission equipment 10, the first electromagnetic valve 14, the second electromagnetic valve 15 and the third electromagnetic valve 16, when the testing device tests the flowmeter, firstly, the second electromagnetic valve 15 and the third electromagnetic valve 16 are closed, the first electromagnetic valve 14 is opened, the gas transmission equipment 10 transmits normal gas to the flowmeter body 7, a first group of numerical values are recorded, then, the third electromagnetic valve 16 is closed, the second electromagnetic valve 15 and the first electromagnetic valve 14 are opened, the refrigerator 8 cools the inside of the testing frame 2, a second group of numerical values are recorded, the numerical values are numerical values of the flowmeter under a low-temperature external environment, finally, the second electromagnetic valve 15 is closed, the first electromagnetic valve 14 and the third electromagnetic valve 16 are opened, the refrigerator 8 cools the input gas, a third group of numerical values are recorded, the numerical values are numerical values when the low-temperature gas passes through the flowmeter body 7, and the second group of numerical values and the third group of numerical values are compared with the first group of numerical values, namely, the purpose of testing the flowmeter under the low-temperature external environment and the low-temperature air is realized.

The rectangular channel has been seted up to fixed platform 1's lower surface, and the interior roof of rectangular channel rotates and is connected with lead screw 11, and the inner wall fixed mounting of rectangular channel has rotating electrical machines 17, and rotating electrical machines 17's the equal fixed mounting in output and the surface of lead screw 11 has fluted disc 18, two fluted discs 18 intermeshing.

The surface threaded connection of lead screw 11 has an internal thread section of thick bamboo 12, and the bottom fixed mounting of an internal thread section of thick bamboo 12 has a backup pad 13, and fixed platform 1's lower surface is provided with the supporting leg.

Four gliding sliding holes of confession supporting leg have been seted up to the upper surface of backup pad 13, and the four corners department of backup pad 13 lower surface all is provided with the supporting pad.

The quantity of supporting leg is four, and four supporting legs are the lower surface that the rectangle array set up at fixed platform 1, and the bottom of four supporting legs all is provided with universal wheel 19.

Through setting up fixed platform 1, rectangular channel, lead screw 11, an internal thread section of thick bamboo 12, backup pad 13, universal wheel 19, rotating electrical machines 17 and fluted disc 18, make this testing arrangement when needs remove, can drive lead screw 11 through rotating electrical machines 17's rotation and rotate, lead screw 11's rotation makes backup pad 13 rebound through an internal thread section of thick bamboo 12 to make universal wheel 19 and ground contact, realize the purpose of being convenient for to remove.

The working principle is as follows: when the flowmeter is tested, firstly, the second electromagnetic valve 15 and the third electromagnetic valve 16 are closed, the first electromagnetic valve 14 is opened, the gas transmission equipment 10 is enabled to transmit normal gas to the flowmeter body 7, a first group of numerical values are recorded, then, the third electromagnetic valve 16 is closed, the second electromagnetic valve 15 and the first electromagnetic valve 14 are opened, the refrigerator 8 is enabled to cool the inside of the test frame 2, a second group of numerical values are recorded, the numerical values are numerical values of the flowmeter in a low-temperature external environment, finally, the second electromagnetic valve 15 is closed, the first electromagnetic valve 14 and the third electromagnetic valve 16 are opened, the refrigerator 8 is enabled to cool input gas, a third group of numerical values are recorded, the numerical values are numerical values when the low-temperature gas passes through the flowmeter body 7, the second group of numerical values and the third group of numerical values are compared with the first group of numerical values, the purpose of testing the flowmeter in the low-temperature external environment and the low-temperature air is achieved, and when the test device needs to move, the lead screw 11 can be driven to rotate through the rotation of the lead screw 11, the support plate 13 can move upwards through the internal thread barrel 12, the universal wheel 19 is enabled to be in contact with the ground, and the universal moving purpose of the universal moving is achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A flowmeter testing arrangement, includes fixed platform (1), its characterized in that: the upper surface of fixed platform (1) is fixed and is installed test frame (2), the both sides inner wall of test frame (2) is fixed and is installed installation otter board (3) and trachea (4) respectively, the surface of trachea (4) is provided with a plurality of air outlet, the both sides inner wall of test frame (2) is provided with test tube (5), the right-hand member of test tube (5) is provided with first three-way pipe (6), the surface of test tube (5) is provided with flowmeter body (7), the right flank of fixed platform (1) is provided with refrigerator (8), the output of refrigerator (8) is provided with second three-way pipe (9), the other both ends of second three-way pipe (9) respectively with the port department fixed connection of trachea (4) and first three-way pipe (6), another port of first three-way pipe (6) is provided with the connecting pipe, the one end that the connecting pipe kept away from first three-way pipe (6) is provided with gas transmission equipment (10), the rectangular channel has been seted up to the lower surface of fixed platform (1), the interior roof of rectangular channel rotates and is connected with lead screw (11), the internal thread section of thick bamboo (12) is connected with internal thread section of screw thread section of thick bamboo (12), the fixed and is provided with supporting leg (1) bottom support leg (13).

2. The flowmeter test device of claim 1, wherein: the surfaces of the left side and the upper side pipeline of the connecting pipe and the second three-way pipe (9) are respectively provided with a first electromagnetic valve (14), a second electromagnetic valve (15) and a third electromagnetic valve (16).

3. The flowmeter test device of claim 1, wherein: the inner wall fixed mounting of rectangular channel has rotating electrical machines (17), and equal fixed mounting in the surface of the output of rotating electrical machines (17) and lead screw (11) has fluted disc (18), two fluted disc (18) intermeshing.

4. The flowmeter test device of claim 1, wherein: the quantity of supporting leg is four, and four supporting legs are the lower surface of rectangle array setting at fixed platform (1), and the bottom of four supporting legs all is provided with universal wheel (19).

5. The flowmeter test device of claim 1, wherein: four gliding sliding holes of confession supporting leg are seted up to the upper surface of backup pad (13), and the four corners department of backup pad (13) lower surface all is provided with the supporting pad.

6. The flowmeter test device of claim 1, wherein: and a transparent observation window (20) and a controller (21) are respectively embedded in the front surface of the test frame (2).