Pressure testing device of electromagnetic flowmeter

Abstract

The utility model discloses a pressure test device of an electromagnetic flowmeter, which comprises a test board, an arc-shaped bracket is used for supporting and placing the electromagnetic flowmeter, and a motor is used for driving a lead screw to rotate, so that two moving blocks are close to or far away from each other, and then connecting rings at two ends can quickly clamp and communicate with the electromagnetic flowmeter. The stabilizing bolts are correspondingly inserted into connecting holes of flanges of the electromagnetic flowmeter, the two ends of the electromagnetic flowmeter can be correspondingly communicated conveniently, the connecting rings can be connected more tightly through the rubber pads, the water inlet pipe set and the water drainage pipe set are communicated through the connecting pipes, and testing water can be input into the electromagnetic flowmeter and drained out of the electromagnetic flowmeter; and water accumulation in the groove of the test board can be prevented through the drainage hole.

Description

TECHNICAL FIELD

[0001] The utility model relates to detection device technical field, specifically is a kind of pressure testing device of electromagnetic flowmeter. BACKGROUND

[0002] With the progress of society, the development of technology and the continuous expansion of market field, the technical level of electromagnetic flowmeter is higher and higher, and the performance is more and more stable and reliable. Electromagnetic flowmeter has a unified international and national standard to inspect and evaluate its performance index. After the maintenance and detection of industrial flowmeter are qualified, pressure sealing detection must be carried out to ensure that there is no leakage phenomenon before it can be put into use.

[0003] In the electromagnetic flowmeter, the connection mode is to connect through bolts and flanges. When pressure testing, it needs to be connected with the pressure testing pipeline. The bolt connection mode is very troublesome. Therefore, a pressure testing device of electromagnetic flowmeter is needed to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a pressure testing device of electromagnetic flowmeter to solve the problems raised in the background.

[0005] In order to achieve the above object, the utility model provides the following technical scheme, including test platform, the upper surface of test platform is provided with recess, the recess center of test platform is provided with fixed platform, be provided with arc support on fixed platform, the recess inside test platform is provided with lead screw from left to right rotation, and the thread direction of lead screw is opposite on the left and right sides of fixed platform, the recess inside test platform is provided with slide rod from left to right fixedly, the right end of test platform is provided with motor, the output shaft of motor is connected with lead screw, the left and right ends of test platform are provided with water inlet pipe group and drain pipe group through annular frame symmetry, the size and structure of water inlet pipe group and drain pipe group are same, the recess of test platform is provided with connecting unit, the connecting unit includes moving block, connecting pipe, connecting ring and stabilizing peg, the moving block has two, two moving blocks are symmetrically screwed on lead screw and are slidably arranged on slide rod, the connecting pipe is arranged on moving block, and the connecting pipes on the left and right sides are symmetrically arranged, and the connecting pipe on the left side is communicated with water inlet pipe group, and the connecting pipe on the right side is communicated with drain pipe group, the connecting ring is arranged at the inner end of connecting pipe, the inner side of connecting ring is provided with stabilizing peg, the inner side of connecting ring is provided with rubber pad, the electromagnetic flowmeter is supported by arc support, the lead screw is driven to rotate by motor, two moving blocks are close or far away, and then the connecting rings at both ends can quickly clamp the electromagnetic flowmeter, the stabilizing peg is inserted into the connecting hole of electromagnetic flowmeter flange, the both ends of electromagnetic flowmeter are communicated, the connecting ring is connected more closely by rubber pad, the water inlet pipe group and drain pipe group are communicated by connecting pipe, and test water can be input into electromagnetic flowmeter and discharged.

[0006] As an optimal technical scheme of the pressure testing device of the electromagnetic flowmeter of the utility model, the recess inside the test platform is provided with a drain hole on the lower surface, which can prevent water accumulation in the recess of the test platform.

[0007] As an optimal technical scheme of the pressure testing device of the electromagnetic flowmeter of the utility model, the water inlet pipe group comprises a main water pipe, a connecting flange, a multi-way pipe, an electromagnetic valve, and a metal bellows, the main water pipe is fixed by the annular frame, the connecting flange is arranged on the outer end of the main water pipe, the multi-way pipe is arranged on the inner end of the main water pipe, the electromagnetic valve is arranged at the communication port of the multi-way pipe, the metal bellows connects the communication port of the multi-way pipe and the connecting pipe, the output end of the external water supply pump is connected by the main water pipe, the external receiving pipeline is connected by the main water pipe of the drain pipeline, the external pipeline is conveniently connected by the connecting flange, the multi-way pipe can supply water to multiple connecting pipes, the electromagnetic valve can close the communication port of the multi-way pipe that is not used, and the metal bellows can always connect the moving connecting pipe.

[0008] As a kind of electromagnetic flowmeter pressure test device preferred technical scheme of the utility model, the connecting pipe on each moving block has several, and the number of arc-shaped support is same, and the connecting ring of left and right sides is coaxial with arc-shaped support, and the caliber of each connecting ring is consistent or inconsistent, by the connecting ring of consistent caliber, the same caliber electromagnetic flowmeter can be pressure tested simultaneously, by the connecting ring of inconsistent caliber, the electromagnetic flowmeter of inconsistent caliber can be pressure tested simultaneously.

[0009] As a kind of electromagnetic flowmeter pressure test device preferred technical scheme of the utility model, pressure gauge is arranged on the main water pipe, and pressure test can be observed by pressure gauge.

[0010] Compared with prior art, the utility model has the advantages that: the utility model is placed by arc-shaped support to support electromagnetic flowmeter, the screw is rotated by motor, two moving blocks are close or far away, and then the connecting ring of both ends can quickly clamp and connect electromagnetic flowmeter, the connecting hole of flange of electromagnetic flowmeter is inserted by stabilizing bolt, the both ends of electromagnetic flowmeter are conveniently connected, the connecting ring is connected more closely by rubber pad, the water inlet pipe group and drain pipe group are connected by connecting pipe, test water can be input into electromagnetic flowmeter and discharged, the recess of test platform is prevented from accumulating water by drain hole, the output end of external water supply pump is connected by main water pipe, the external receiving pipeline is connected by drain pipeline main water pipe, external pipeline is conveniently connected by connecting flange, multiple connecting pipes are supplied with water by multi-way pipe, the multi-way pipe communication port is closed by electromagnetic valve, the telescopic metal bellows can always connect moving connecting pipe, the same caliber electromagnetic flowmeter can be pressure tested simultaneously by the connecting ring of consistent caliber, the electromagnetic flowmeter of inconsistent caliber can be pressure tested simultaneously by the connecting ring of inconsistent caliber, and pressure test can be observed by pressure gauge. ACCURACY OF DRAWINGS

[0011] Figure 1 It is the structural schematic diagram of the utility model;

[0012] Figure 2 It is the front view of the utility model;

[0013] Figure 3 It is the test platform structural schematic diagram of the utility model;

[0014] Figure 4 It is the water inlet pipe group and water outlet pipe group structural schematic diagram of the utility model;

[0015] Figure 5 It is the connecting unit structural schematic diagram of the utility model;

[0016] In the figure: 1-test bench, 101-fixed bench, 102-arc-shaped support, 103-screw rod, 104-sliding rod, 105-ring-shaped frame, 106-drainage hole, 107-motor, 2-water inlet pipe group, 21-main water pipe, 22-connection flange, 23-multi-way pipe, 24-solenoid valve, 25-metal bellows, 201-pressure gauge, 3-drainage pipe group, 4-connection unit, 41-moving block, 42-connection pipe, 43-connection ring, 44-stabilizing peg, 401-rubber pad. DETAILED DESCRIPTION

[0017] Example 1

[0018] As Figures 1 to 5The utility model discloses a kind of pressure testing devices of electromagnetic flowmeter, including test table 1, recess is opened in the upper surface of test table 1, fixed platform 101 is arranged at the recess center of test table 1, arc-shaped support 102 is arranged on fixed platform 101, lead screw 103 is rotationally arranged in the recess of test table 1 from left to right, and the thread direction of lead screw 103 is opposite in the left and right sides of fixed platform 101, slide bar 104 is fixedly arranged in the recess of test table 1 from left to right, motor 107 is arranged at the right end of test table 1, the output shaft of motor 107 is connected with lead screw 103, drainage hole 106 is opened on the lower surface in the recess of test table 1, water accumulation in the recess of test table 1 can be prevented by drainage hole 106;Water inlet pipe group 2 and drain pipe group 3 are symmetrically arranged at the left and right ends of the upper portion of test table 1 by annular frame 105, and the size and structure of water inlet pipe group 2 and drain pipe group 3 are same, water inlet pipe group 2 includes main water pipe 21, connecting flange 22, multi-pass pipe 23, solenoid valve 24 and metal bellow 25, main water pipe 21 is fixed by annular frame 105, connecting flange 22 is arranged on the outer end of main water pipe 21, multi-pass pipe 23 is arranged on the inner end of main water pipe 21, solenoid valve 24 is arranged at the communicating port of multi-pass pipe 23, metal bellow 25 is connected with connecting pipe 42 at the communicating port of multi-pass pipe 23, the output end of external water supply pump is connected by main water pipe 21, external receiving pipeline is connected by the main water pipe of drain pipe 3, external pipeline is conveniently connected by connecting flange 22, water supply to multiple connecting pipes 42 is realized by multi-pass pipe 23, the communicating port of multi-pass pipe 23 is conveniently closed by solenoid valve 24, connecting pipe 42 is always connected by the extensibility of metal bellow 25, pressure gauge 201 is arranged on main water pipe 21, and test pressure is conveniently observed by pressure gauge 201.The connecting unit 4 is arranged in the groove of the test table 1, and the connecting unit 4 comprises moving blocks 41, connecting pipes 42, connecting rings 43 and stabilizing pegs 44; the two moving blocks 41 are symmetrically arranged on the lead screw 103 and are slidably arranged on the slide rod 104; the connecting pipes 42 are arranged on the moving blocks 41, and the connecting pipes 42 on the left and right sides are symmetrically arranged; the connecting pipe 42 on the left side is communicated with the water inlet pipe group 2, and the connecting pipe 42 on the right side is communicated with the drain pipe group 3; the connecting ring 43 is arranged at the inner end of the connecting pipe 42; the stabilizing peg 44 is arranged on the inner side of the connecting ring 43; the rubber pad 401 is arranged on the inner side of the connecting ring 43; each connecting pipe 42 on each moving block 41 is provided with a plurality of arc-shaped supports 102; the connecting rings 43 on the left and right sides are coaxial with the arc-shaped supports 102; the diameters of each connecting ring 43 are consistent or inconsistent; the connecting rings 43 with consistent diameters can simultaneously test the electromagnetic flowmeters with the same diameter; the connecting rings 43 with inconsistent diameters can simultaneously test the electromagnetic flowmeters with inconsistent diameters; the arc-shaped supports 102 support the electromagnetic flowmeters; the motor 107 drives the lead screw 103 to rotate, so that the two moving blocks 41 are close to or far away from each other, and then the connecting rings 43 at the two ends can quickly clamp the electromagnetic flowmeter; the stabilizing peg 44 is inserted into the connecting hole of the flange of the electromagnetic flowmeter, so that the two ends of the electromagnetic flowmeter are communicated; the rubber pad 401 can make the connecting ring 43 more closely connected; the connecting pipes 42 communicate the water inlet pipe group 2 and the drain pipe group 3, so that the test water can be input into the electromagnetic flowmeter and the test water can be discharged.

[0019] The working principle of the utility model is as follows: all the electromagnetic valves are closed, the outer end of the main water pipe 21 is connected with the output end of the external water supply pump through the connecting flange 22 and the connecting flange of the drain pipe group 3, and the outer end of the main water pipe of the drain pipe group 3 is connected with the external receiving pipeline, the lower middle part of the electromagnetic flowmeter is arranged in the arc-shaped support 102, then the motor 107 is started, the lead screw 103 rotates, the two moving blocks 41 are close to each other, the stabilizing peg 44 is inserted into the flange connecting hole at the two ends of the electromagnetic flowmeter, the rubber pad 401 is closely attached to the flange, the corresponding electromagnetic valve 24 of the water inlet pipeline 2 is started, the test water is input into the electromagnetic flowmeter, the test water enters the electromagnetic flowmeter, the internal pressure of the electromagnetic flowmeter gradually increases along with the pumping of the external water pump, the pressure sealing property of the electromagnetic flowmeter is detected, the pressure can be observed through the pressure gauge 201, after the pressure test is completed, the electromagnetic valve of the drain pipeline 3 is opened, the detection water is discharged, then the connecting ring 43 is separated, and the electromagnetic flowmeter after the pressure test is completed is taken off.

[0020] The circuit connection is a common means adopted by the person skilled in the art, and can be obtained through limited tests, and belongs to the prior art.

[0021] In the description of the utility model, need understanding is, the orientation or position relation that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and is not indicating or implying that the device or element indicated must have a particular orientation, is constructed and operated with a particular orientation, therefore, can not be understood as limiting the utility model, in addition, the terms "first", "second" and the like are only for the purpose of description, and can not be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated, thus, the features with "first", "second" and the like can explicitly or implicitly include one or more features, in the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0022] In the description of the utility model, it should be explained that, unless otherwise expressly provided and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, can be fixedly connected, can be detachably connected, or integrally connected, can be mechanically connected, can be electrically connected, can be directly connected, can be indirectly connected through intermediate medium, can be the communication inside two elements, for ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances

[0023] Although the specific embodiments of the utility model have been described in detail above, the utility model is not limited to the above embodiments, within the knowledge range of ordinary skilled in the art, various changes can be made without departing from the purpose of the utility model, and the modification or deformation without creative labor is still within the protection scope of the utility model.

Claims

1. A pressure testing device for an electromagnetic flowmeter, characterized by, The utility model provides a kind of test bench, including test bench (1), the upper surface of the test bench (1) is recessed, the recessed center of the test bench (1) is provided with fixed platform (101), the fixed platform (101) is provided with arc support (102), the recessed inside of the test bench (1) is rotatably provided with lead screw (103) from left to right, and the thread direction of lead screw (103) is opposite on the left and right sides of fixed platform (101), the recessed inside of the test bench (1) is fixedly provided with slide bar (104) from left to right, the right end of the test bench (1) is provided with motor (107), the output shaft of motor (107) is connected with lead screw (103);The left and right ends above the test bench (1) are symmetrically provided with water inlet pipe group (2) and drain pipe group (3) by annular frame (105), the size and structure of water inlet pipe group (2) and drain pipe group (3) are same;The recessed inside of the test bench (1) is provided with connecting unit (4), the connecting unit (4) includes moving block (41), connecting pipe (42), connecting ring (43) and stabilizing peg (44), the moving block (41) has two, two moving blocks (41) are symmetrically screw-mounted on lead screw (103), and are slidably arranged on slide bar (104), the connecting pipe (42) is arranged on moving block (41), and the left and right sides of connecting pipe (42) are symmetrically arranged, and the left connecting pipe (42) is connected with water inlet pipe group (2), and the right connecting pipe (42) is connected with drain pipe group (3), the connecting ring (43) is arranged at the inner end of connecting pipe (42), the inner side of connecting ring (43) is provided with stabilizing peg (44), and the inner side of connecting ring (43) is provided with rubber pad (401).

2. A pressure testing device for an electromagnetic flowmeter according to claim 1, wherein: The recessed inside lower surface of the test bench (1) is provided with drain hole (106).

3. A pressure testing device for an electromagnetic flowmeter as defined in claim 1, wherein: The water inlet pipe group (2) includes main water pipe (21), connecting flange (22), multi-way pipe (23), electromagnetic valve (24) and metal bellow (25), the main water pipe (21) is fixed by annular frame (105), the connecting flange (22) is arranged on the outer end of main water pipe (21), the multi-way pipe (23) is arranged on the inner end of main water pipe (21), the communication port of multi-way pipe (23) is provided with electromagnetic valve (24), and the metal bellow (25) is connected with connecting pipe (42) in the communication port of multi-way pipe (23).

4. A pressure testing device for an electromagnetic flowmeter according to claim 1, wherein: The connecting pipe (42) on each moving block (41) has several, and the number of arc support (102) is same, and the left and right sides of connecting ring (43) are coaxial with arc support (102), and the caliber of each connecting ring (43) is consistent or inconsistent.

5. A pressure testing device for an electromagnetic flowmeter as defined in claim 3, wherein: The main water pipe (21) is provided with pressure gauge (201).

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