CN211626850U - Ball valve testing equipment - Google Patents

Abstract

The utility model discloses a ball valve detection device, comprising: a pair of symmetrically arranged ball valve clamps, a pair of mutually parallel and symmetrically arranged baffles, a two-way cylinder for driving the pair of baffles to approach each other or away from each other, a pressing plate, and The hydraulic cylinder that drives the action of the platen. The ball valve detection device of the utility model can detect a pair of elbow ball valves at one time, and can ensure the accuracy of detection.

Description

Ball valve testing equipment

technical field

The utility model relates to ball valve detection equipment.

Background technique

Ball valve is a commonly used opening and closing part for gas circulation. It is used in different occasions with different sealing requirements. Therefore, it is necessary to test the air tightness of the ball valve before leaving the factory, otherwise there will be a greater safety hazard.

The ball valve has many shapes, one of which is the elbow ball valve. The valve body of the elbow ball valve is arc-shaped. The input end of the elbow ball valve is provided with a first flange, and the output end of the elbow ball valve is provided with a second flange. And the axis of the second flange is perpendicular to the axis of the first flange.

The air tightness test of the elbow ball valve requires special testing equipment, but the existing testing equipment can only test one elbow ball valve at a time.

Utility model content

The purpose of the utility model is to provide a ball valve detection device, which can detect a pair of elbow ball valves at a time.

In order to achieve the above purpose, the technical scheme of the present utility model is to design a ball valve detection device, which can detect a pair of elbow ball valves at a time; the valve body of the elbow ball valve is arc-shaped, and the input end of the elbow ball valve is provided with an input end method. The output end of the elbow ball valve is provided with an output end flange, and the axis of the input end flange is perpendicular to the axis of the output end flange;

The ball valve detection equipment includes: a pair of symmetrically arranged ball valve clamps, a pair of mutually parallel and symmetrically arranged baffles, a two-way air cylinder that drives the pair of baffles to approach or move away from each other, a pressure plate, and a hydraulic cylinder that drives the pressure plate to act. ;

The above-mentioned pair of ball valve clamps includes: a left-side ball valve clamp and a right-side ball valve clamp; the above-mentioned pair of elbow ball valves includes: a first elbow ball valve clamped on the left-side ball valve clamp, and a ball valve clamp clamped on the right-side ball valve clamp. The second elbow ball valve; the input end flange of the first elbow ball valve is the first flange, the output end flange of the first elbow ball valve is the second flange, and the input end method of the second elbow ball valve is used as the second flange. The flange is the third flange, and the output flange of the second elbow ball valve is the fourth flange; the first flange and the third flange are arranged opposite to each other, and the first flange and the third flange are coaxial; The third flange and the fourth flange face the same direction, and the third flange and the fourth flange are on the same plane;

The pair of baffles is located between the first flange and the third flange; the pair of baffles is perpendicular to the axis of the first flange; the pair of baffles includes: a left baffle and a right baffle; the left baffle The baffle is abutted against the first flange, and a first elastic sealing gasket is also arranged between the left baffle and the first flange, the first elastic sealing gasket covers the first flange, and the first elastic sealing gasket The plate is fixedly connected with the left baffle; the right baffle is abutted against the second flange, and a second elastic sealing gasket is also arranged between the right baffle and the second flange, and the second elastic sealing gasket covers the second flange, and the second elastic sealing gasket is fixedly connected with the right baffle;

The two-way cylinder is located between the left baffle and the right baffle, the two-way cylinder is arranged along the left and right directions, and the left baffle and the right baffle are symmetrically arranged by the two-way cylinder;

The pressing plate covers the third flange and the fourth flange; a third elastic sealing gasket is also arranged between the pressing plate and the third flange, the third elastic sealing gasket is fixed on the pressing plate, and the third elastic sealing gasket covers the third flange; a fourth elastic sealing gasket is also provided between the pressing plate and the fourth flange, the fourth elastic sealing gasket is fixed on the pressing plate, and the fourth elastic sealing gasket covers the fourth flange;

The outer side of the pressing plate is also provided with: a pair of air pressure detection devices and a pair of inflation hoses;

The above-mentioned pair of air pressure detection devices includes: a left air pressure detection device corresponding to the first elbow ball valve, and a right air pressure detection device corresponding to the second elbow ball valve; the air pressure sensing end of the left air pressure detection device penetrates the pressure plate and the The third elastic sealing gasket extends into the input end of the first elbow ball valve, the reading display end of the left air pressure detection device is located outside the pressure plate; the air pressure sensing end of the right air pressure detection device penetrates the pressure plate and the fourth elastic sealing gasket And extend into the input end of the second elbow ball valve, the reading display end of the right air pressure detection device is located outside the pressure plate;

The above-mentioned pair of inflation hoses includes: a left inflation hose corresponding to the first elbow ball valve, and a right inflation hose corresponding to the second elbow ball valve; the left inflation hose penetrates the pressure plate and the third elastic sealing pad and extend into the input end of the first elbow ball valve; the right inflation hose penetrates the pressure plate and the fourth elastic sealing gasket and extends into the input end of the second elbow ball valve; the left and right inflation hoses There are respectively inflatable valves on the top, and the inflation valves on the left inflation hose and the right inflation hose are located on the outside of the pressure plate;

The hydraulic cylinder is located outside the pressure plate, the hydraulic cylinder is connected with the outer side of the pressure plate, and the hydraulic cylinder is perpendicular to the pressure plate.

Preferably, the left inflation hose and the right inflation hose are respectively connected to the inflation pump.

Preferably, the axis of the two-way cylinder and the first flange are located on the same line.

Preferably, the hydraulic cylinder is located between the second flange and the fourth flange.

Preferably, the first elbow ball valve and the second elbow ball valve are symmetrically arranged by a hydraulic cylinder.

The advantages and beneficial effects of the utility model are as follows: a ball valve detection device is provided, which can detect a pair of elbow ball valves at a time and can ensure the accuracy of detection.

The use method of the ball valve detection equipment of the present utility model is as follows:

Place the first elbow ball valve on the left ball valve fixture, the second elbow ball valve on the right ball valve fixture, the left ball valve fixture clamps the first elbow ball valve, and the right ball valve fixture holds the second elbow The ball valve is clamped and fixed;

Then the two-way cylinder drives the left baffle and the right baffle away from each other, so that the first elastic gasket on the left baffle is pressed against the first flange, and the second elastic gasket on the right baffle presses On the third flange, the first elastic sealing gasket seals the output end of the first elbow ball valve, and the second elastic sealing gasket seals the output end of the second elbow ball valve;

At the same time, the hydraulic cylinder drives the pressure plate to move to the second flange and the fourth flange, so that the air pressure sensing end of the left air pressure detection device and the left inflation hose extend into the input end of the first elbow ball valve, and the right air pressure detection The air pressure sensing end of the device and the right inflation hose extend into the input end of the second elbow ball valve, and press the third elastic gasket on the pressure plate against the second flange, and the fourth elastic gasket on the pressure plate The sheet is pressed on the fourth flange, and the third elastic sealing gasket seals the input end of the first elbow ball valve;

Then open the inflation valve on the left inflation hose and the right inflation hose, keep the first elbow ball valve and the second elbow ball valve open, the left inflation hose inflates the first elbow ball valve, the right Inflate the inflation hose to the second elbow ball valve; close the inflation valve on the left inflation hose and the right inflation hose after inflating for a certain period of time, until the internal air pressure of the first elbow ball valve and the second elbow ball valve is basically stable , continue to observe the reading display ends of the left air pressure detection device and the right air pressure detection device. If the reading of the left air pressure detection device does not change or the value changes within a reasonable range for a period of time, the air tightness of the first elbow ball valve is judged. The test is qualified, otherwise it is judged that the air tightness test of the first elbow ball valve is unqualified; similarly, if the reading of the right air pressure detection device does not change or the value changes within a reasonable range for a period of time, the second elbow ball valve is judged to be air tight. The air tightness test of the second elbow ball valve is judged to be unqualified;

After the detection is completed, the two-way cylinder drives the left baffle and the right baffle close to each other, so that the left baffle and the right baffle are reset; the hydraulic cylinder drives the pressure plate away from the second flange and the fourth flange to reset the pressure plate; Then unlock the left ball valve clamp and the right ball valve clamp, and remove the first elbow ball valve and the second elbow ball valve.

Description of drawings

Figure 1 is a schematic diagram of the present invention.

Detailed ways

The specific embodiments of the present utility model will be further described below with reference to the accompanying drawings and embodiments. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and cannot be used to limit the protection scope of the present invention.

The technical scheme of the concrete implementation of the present utility model is:

As shown in Figure 1, a ball valve testing device can detect a pair of elbow ball valves 11, 12 at a time; the valve body of the elbow ball valve is arc-shaped, and the input end of the elbow ball valve is provided with an input end flange, and the elbow The output end of the ball valve is provided with an output end flange, and the axis of the input end flange is perpendicular to the axis of the output end flange;

The ball valve testing equipment includes: a pair of symmetrically arranged ball valve clamps 21, 22, a pair of mutually parallel and symmetrical baffle plates 31, 32, a two-way cylinder 4 that drives the pair of baffle plates to approach or move away from each other, a pressure plate 5 , and the hydraulic cylinder 6 that drives the action of the pressure plate 5;

The above-mentioned pair of ball valve clamps includes: a left ball valve clamp 21 and a right-side ball valve clamp 22; the above-mentioned pair of elbow ball valves includes: a first elbow ball valve 11 clamped on the left ball valve clamp 21, and clamped on the right The second elbow ball valve 12 on the ball valve fixture 22; the input end flange of the first elbow ball valve 11 is the first flange 111, and the output end flange of the first elbow ball valve 11 is the second flange 112, The input end flange of the second elbow ball valve 12 is the third flange 121 , and the output end flange of the second elbow ball valve 12 is the fourth flange 122 ; the first flange 111 is opposite to the third flange 121 set, and the first flange 111 and the third flange 121 are coaxial; the third flange 121 and the fourth flange 122 face the same direction, and the third flange 121 and the fourth flange 122 are located on the same plane;

The pair of baffles 31 and 32 are located between the first flange 111 and the third flange 121; the pair of baffles is perpendicular to the axis of the first flange 111; the pair of baffles includes: the left baffle 31 and the The right baffle 32; the left baffle 31 abuts against the first flange 111, and a first elastic sealing gasket 311 is also provided between the left baffle 31 and the first flange 111. The first elastic sealing gasket The sheet 311 covers the first flange 111, and the first elastic sealing gasket 311 is fixedly connected with the left baffle 31; the right baffle 32 abuts against the second flange 112, and the right baffle 32 and the second flange A second elastic sealing gasket 321 is also arranged between the flanges 112, the second elastic sealing gasket 321 covers the second flange 112, and the second elastic sealing gasket 321 is fixedly connected with the right baffle 32;

The two-way cylinder 4 is located between the left baffle 31 and the right baffle 32, the two-way cylinder 4 is arranged along the left and right directions, the left baffle 31 and the right baffle 32 are symmetrically arranged with the two-way cylinder 4; The axes of the first flange 111 are located on the same straight line;

The pressing plate 5 covers the third flange 121 and the fourth flange 122 ; a third elastic gasket 501 is also provided between the pressing plate 5 and the third flange 121 , and the third elastic gasket 501 is fixed on the pressing plate 5 , and the third elastic gasket 501 covers the third flange 121; a fourth elastic gasket 502 is also provided between the pressing plate 5 and the fourth flange 122, and the fourth elastic gasket 502 is fixed on the pressing plate 5, and the fourth elastic gasket 502 covers the fourth flange 122;

The outer surface of the pressing plate 5 is further provided with: a pair of air pressure detection devices 71, 72, and a pair of inflation hoses 81, 82;

The above-mentioned pair of air pressure detection devices include: a left air pressure detection device 71 corresponding to the first elbow ball valve 11, and a right air pressure detection device 72 corresponding to the second elbow ball valve 12; the air pressure sense of the left air pressure detection device 71 The measuring end penetrates the pressure plate 5 and the third elastic gasket 501 and extends into the input end of the first elbow ball valve 11. The reading display end of the left air pressure detection device 71 is located outside the pressure plate 5; the air pressure sense of the right air pressure detection device 72 The measuring end penetrates through the pressure plate 5 and the fourth elastic gasket 502 and extends into the input end of the second elbow ball valve 12, and the reading display end of the right air pressure detection device 72 is located outside the pressure plate 5;

The above-mentioned pair of inflation hoses includes: a left inflation hose 81 corresponding to the first elbow ball valve 11 , and a right inflation hose 82 corresponding to the second elbow ball valve 12 ; the left inflation hose 81 penetrates the pressure plate 5 and the third elastic gasket 501 and extend into the input end of the first elbow ball valve 11; the right inflation hose 82 penetrates the pressure plate 5 and the fourth elastic gasket 502 and extends into the input end of the second elbow ball valve 12 ; The left inflation hose 81 and the right inflation hose 82 are respectively provided with inflation valve 9, and the inflation valve 9 on the left inflation hose 81 and the right inflation hose 82 are located on the outside of the pressure plate 5; One end of the hose 81 away from the pressure plate 5 and one end of the right inflation hose 82 away from the pressure plate 5 are respectively connected to the air pump (the air pump is not shown in the figure);

The hydraulic cylinder 6 is located outside the pressure plate 5, the hydraulic cylinder 6 is connected to the outer side of the pressure plate 5, and the hydraulic cylinder 6 is perpendicular to the pressure plate 5; the hydraulic cylinder 6 is located between the second flange 112 and the fourth flange 122; The elbow ball valve 11 and the second elbow ball valve 12 are symmetrically arranged with the hydraulic cylinder 6 .

The use method of the ball valve detection equipment of the present utility model is as follows:

Place the first elbow ball valve 11 on the left ball valve fixture 21, the second elbow ball valve 12 on the right ball valve fixture 22, the left ball valve fixture 21 clamps the first elbow ball valve 11, and the right ball valve The clamp 22 clamps and fixes the second elbow ball valve 12;

Then the two-way air cylinder 4 drives the left baffle 31 and the right baffle 32 away from each other, so that the first elastic sealing gasket 311 on the left baffle 31 is pressed against the first flange 111, and the The second elastic sealing gasket 321 is pressed on the third flange 121 , the first elastic sealing gasket 311 seals the output end of the first elbow ball valve 11 , and the second elastic sealing gasket 321 seals the output end of the second elbow ball valve 12 . The output end is sealed;

At the same time, the hydraulic cylinder 6 drives the pressure plate 5 to move toward the second flange 112 and the fourth flange 122 , so that the air pressure sensing end of the left air pressure detection device 71 and the left inflation hose 81 extend into the first elbow ball valve 11 . The input end, the air pressure sensing end of the right air pressure detection device 72 and the right inflation hose 82 extend into the input end of the second elbow ball valve 12, and press the third elastic gasket 501 on the pressure plate 5 against the second On the flange 112, the fourth elastic gasket 502 on the pressing plate 5 is pressed on the fourth flange 122, and the third elastic gasket 501 seals the input end of the first elbow ball valve 11;

Then open the inflation valve 9 on the left inflation hose 81 and the right inflation hose 82, and keep the first elbow ball valve 11 and the second elbow ball valve 12 in an open state, and the left inflation hose 81 bends toward the first elbow The head ball valve 11 is inflated, and the right inflation hose 82 is inflated to the second elbow ball valve 12; after a certain time of inflation, close the inflation valve 9 on the left inflation hose 81 and the right inflation hose 82, wait for the first elbow ball valve After the internal air pressure of 11 and the second elbow ball valve 12 is basically stable, continue to observe the reading display ends of the left air pressure detection device 71 and the right air pressure detection device 72. If the reading of the left air pressure detection device 71 does not change or If the value change is within a reasonable range, it is judged that the air tightness test of the first elbow ball valve 11 is qualified; otherwise, the air tightness test of the first elbow ball valve 11 is judged to be unqualified; If the reading does not change or the numerical value changes within a reasonable range, it is judged that the air tightness test of the second elbow ball valve 12 is qualified; otherwise, the air tightness test of the second elbow ball valve 12 is judged to be unqualified;

After the detection is completed, the two-way cylinder 4 drives the left baffle 31 and the right baffle 32 to approach each other, so that the left baffle 31 and the right baffle 32 are reset; the hydraulic cylinder 6 drives the pressure plate 5 away from the second flange 112 and the second flange 112. The four flanges 122 reset the pressure plate 5; then unlock the left ball valve clamp 21 and the right ball valve clamp 22, and remove the first elbow ball valve 11 and the second elbow ball valve 12.

As can be seen from the above, the ball valve detection device of the present utility model can detect a pair of elbow ball valves at a time, and can ensure the accuracy of detection.

The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, without departing from the technical principles of the present invention, several improvements and modifications can be made. These improvements and retouching should also be regarded as the protection scope of the present invention.

Claims (5)

1. Ball valve testing equipment, which is characterized in that it can detect a pair of elbow ball valves at a time; the valve body of the elbow ball valve is arc-shaped, the input end of the elbow ball valve is provided with an input end flange, and the output end of the elbow ball valve is provided with an input flange. There is an output flange, and the axis of the input flange is perpendicular to the axis of the output flange; The ball valve detection equipment includes: a pair of symmetrically arranged ball valve clamps, a pair of mutually parallel and symmetrically arranged baffles, a two-way air cylinder that drives the pair of baffles to approach or move away from each other, a pressure plate, and a hydraulic cylinder that drives the pressure plate to act. ; The above-mentioned pair of ball valve clamps includes: a left-side ball valve clamp and a right-side ball valve clamp; the above-mentioned pair of elbow ball valves includes: a first elbow ball valve clamped on the left-side ball valve clamp, and a ball valve clamp clamped on the right-side ball valve clamp. The second elbow ball valve; the input end flange of the first elbow ball valve is the first flange, the output end flange of the first elbow ball valve is the second flange, and the input end method of the second elbow ball valve is used as the second flange. The flange is the third flange, and the output flange of the second elbow ball valve is the fourth flange; the first flange and the third flange are arranged opposite to each other, and the first flange and the third flange are coaxial; The third flange and the fourth flange face the same direction, and the third flange and the fourth flange are on the same plane; The pair of baffles is located between the first flange and the third flange; the pair of baffles is perpendicular to the axis of the first flange; the pair of baffles includes: a left baffle and a right baffle; the left baffle The baffle is abutted against the first flange, and a first elastic sealing gasket is also arranged between the left baffle and the first flange, the first elastic sealing gasket covers the first flange, and the first elastic sealing gasket The plate is fixedly connected with the left baffle; the right baffle is abutted against the second flange, and a second elastic sealing gasket is also arranged between the right baffle and the second flange, and the second elastic sealing gasket covers the second flange, and the second elastic sealing gasket is fixedly connected with the right baffle; The two-way cylinder is located between the left baffle and the right baffle, the two-way cylinder is arranged along the left and right directions, and the left baffle and the right baffle are symmetrically arranged by the two-way cylinder; The pressing plate covers the third flange and the fourth flange; a third elastic sealing gasket is also arranged between the pressing plate and the third flange, the third elastic sealing gasket is fixed on the pressing plate, and the third elastic sealing gasket covers the third flange; a fourth elastic sealing gasket is also provided between the pressing plate and the fourth flange, the fourth elastic sealing gasket is fixed on the pressing plate, and the fourth elastic sealing gasket covers the fourth flange; The outer side of the pressing plate is also provided with: a pair of air pressure detection devices and a pair of inflation hoses; The above-mentioned pair of air pressure detection devices includes: a left air pressure detection device corresponding to the first elbow ball valve, and a right air pressure detection device corresponding to the second elbow ball valve; the air pressure sensing end of the left air pressure detection device penetrates the pressure plate and the The third elastic sealing gasket extends into the input end of the first elbow ball valve, the reading display end of the left air pressure detection device is located outside the pressure plate; the air pressure sensing end of the right air pressure detection device penetrates the pressure plate and the fourth elastic sealing gasket And extend into the input end of the second elbow ball valve, the reading display end of the right air pressure detection device is located outside the pressure plate; The above-mentioned pair of inflation hoses includes: a left inflation hose corresponding to the first elbow ball valve, and a right inflation hose corresponding to the second elbow ball valve; the left inflation hose penetrates the pressure plate and the third elastic sealing pad and extend into the input end of the first elbow ball valve; the right inflation hose penetrates the pressure plate and the fourth elastic sealing gasket and extends into the input end of the second elbow ball valve; the left and right inflation hoses There are respectively inflatable valves on the top, and the inflation valves on the left inflation hose and the right inflation hose are located on the outside of the pressure plate; The hydraulic cylinder is located outside the pressure plate, the hydraulic cylinder is connected with the outer side of the pressure plate, and the hydraulic cylinder is perpendicular to the pressure plate. 2 . The ball valve detection device according to claim 1 , wherein the left inflation hose and the right inflation hose are respectively connected to an inflation pump. 3 . 3 . The ball valve detection device according to claim 2 , wherein the two-way cylinder and the axis of the first flange are located on the same straight line. 4 . 4. The ball valve testing device according to claim 3, wherein the hydraulic cylinder is located between the second flange and the fourth flange. 5 . The ball valve testing device according to claim 4 , wherein the first elbow ball valve and the second elbow ball valve are symmetrically arranged by a hydraulic cylinder. 6 .

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