CN211626817U - Device for detecting sealing performance of ball valve - Google Patents
Device for detecting sealing performance of ball valve Download PDFInfo
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- CN211626817U CN211626817U CN202020460700.XU CN202020460700U CN211626817U CN 211626817 U CN211626817 U CN 211626817U CN 202020460700 U CN202020460700 U CN 202020460700U CN 211626817 U CN211626817 U CN 211626817U
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- water inlet
- air bag
- inlet pipe
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Abstract
The utility model discloses a device for detecting ball valve leakproofness, include: the water collecting tank is used for vertically placing a horizontally-arranged support plate of the ball valve, vertically placing a water inlet pipe, driving a turnover driving mechanism for turning the support plate and driving a lifting driving mechanism for vertically lifting the water inlet pipe. The utility model discloses a device for detecting ball valve leakproofness, it can carry out water injection detection to the ball valve, after detecting, can also pour the water in the ball valve into the water catch bowl; in the detection process, the first annular air bag and the second annular air bag are used for sealing, so that the accuracy of the detection of the sealing property of the ball valve can be ensured; when the backup pad upset, the ball valve output is propped tightly fixedly by first annular gasbag, can prevent that the ball valve from dropping.
Description
Technical Field
The utility model relates to a device for detecting ball valve leakproofness.
Background
The ball valve is the normal piece that opens and shuts when liquid circulates for different occasions have different leakproofness requirements, consequently, all need carry out the leakproofness to the ball valve before dispatching from the factory and detect, otherwise have great potential safety hazard.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a device for detecting ball valve leakproofness, it can carry out the water injection to the ball valve and detect.
In order to achieve the above object, the technical solution of the present invention is to design a device for detecting the sealing performance of a ball valve, including: the water collecting tank is used for vertically placing a horizontally-arranged support plate of the ball valve, a vertically-arranged water inlet pipe, an overturning driving mechanism for driving the support plate to overturn and a lifting driving mechanism for driving the water inlet pipe to vertically lift;
the supporting plate is positioned right above the water collecting tank, the ball valve to be measured is vertically placed on the supporting plate, the top end of the ball valve is a circular-tube-shaped input end, the bottom end of the ball valve is a circular-tube-shaped output end, and the input end and the output end of the ball valve are coaxial;
the top surface of the supporting plate extends upwards to form a cylindrical positioning part, and the positioning part is positioned inside the output end of the ball valve; the outer peripheral wall of the positioning part is further sleeved with a first annular air bag, the inner ring of the first annular air bag is fixedly connected with the outer peripheral wall of the positioning part, the outer ring of the first annular air bag is tightly pressed on the inner peripheral wall of the output end of the ball valve, the outer peripheral wall of the positioning part and the inner peripheral wall of the output end of the ball valve are sealed through the first annular air bag, and the output end of the ball valve is tightly supported and fixed by the first annular air bag; the bottom surface of the supporting plate is provided with a first vent pipe; a first air pumping and inflating channel is arranged in the supporting plate and communicates the first vent pipe with the first annular air bag; the first vent pipe is provided with a first vent valve and is connected with a first air suction inflator pump through a first vent hose;
the turnover driving mechanism comprises: the device comprises a horizontally-arranged rotating shaft connected with a supporting plate, a shaft seat for supporting the rotating shaft and a motor for driving the rotating shaft to rotate;
the water inlet pipe is positioned above the ball valve, the water inlet pipe and the positioning part of the supporting plate share the axis, the top end of the water inlet pipe is connected with a water supply hose through a water inlet valve, and the bottom end of the water inlet pipe extends into the input end of the ball valve; the outer peripheral wall of the bottom end of the water inlet pipe is sleeved with a second annular air bag, the inner ring of the second annular air bag is fixedly connected with the outer peripheral wall of the bottom end of the water inlet pipe, the outer ring of the second annular air bag is tightly pressed on the inner peripheral wall of the input end of the ball valve, and the outer peripheral wall of the bottom end of the water inlet pipe and the inner peripheral wall of the input end of the ball valve are sealed; a second vent pipe is also arranged on the outer peripheral wall of the water inlet pipe, is positioned above the ball valve and is close to the input end of the ball valve; a second air pumping and inflating channel is arranged in the pipe wall of the water inlet pipe and is used for communicating a second vent pipe with a second annular air bag; the second vent pipe is provided with a second vent valve and is connected with a second air suction inflator pump through a second vent hose;
the lift drive mechanism includes: the lifting seat is connected with the water inlet pipe through a connecting rod, the lifting rail guides the lifting seat to vertically lift, and the lifting cylinder drives the lifting seat to vertically lift along the lifting rail.
Preferably, the shaft seat is fixed on the vertical frame.
Preferably, the bottom end of the vertical frame is fixed on the water collecting tank.
Preferably, the motor is connected with the vertical frame through a connecting frame.
Preferably, the lifting rail is fixed to the vertical frame.
Preferably, the lifting cylinder is fixed on the vertical frame.
Preferably, the lifting cylinder is positioned above the lifting seat.
Preferably, the water supply hose is connected with a water supply device.
The utility model has the advantages and the beneficial effects that: the device for detecting the sealing performance of the ball valve can perform water injection detection on the ball valve, and can pour water in the ball valve into a water collecting tank after the detection is finished; in the detection process, the first annular air bag and the second annular air bag are used for sealing, so that the accuracy of the detection of the sealing property of the ball valve can be ensured; when the backup pad upset, the ball valve output is propped tightly fixedly by first annular gasbag, can prevent that the ball valve from dropping.
The utility model discloses the application method of device as follows:
vertically placing the tested ball valve on the support plate, wherein the input end of the ball valve faces upwards, the output end of the ball valve faces downwards, the output end of the ball valve is sleeved on the positioning part of the support plate, and the first annular air bag is in an uninflated contraction state;
then a first vent valve is opened, a first air suction inflator pump inflates the first annular air bag through a first air hose, a first vent pipe and a first air suction inflation channel, the first annular air bag expands after inflation, the first vent valve is closed after inflation is carried out for a certain time, at the moment, the first annular air bag expands until the space between the outer peripheral wall of the positioning part and the inner peripheral wall of the output end of the ball valve is sealed, and the output end of the ball valve is tightly supported and fixed by the first annular air bag;
then the lifting cylinder drives the lifting seat to move downwards, so that the bottom end of the water inlet pipe extends into the input end of the ball valve, and the second annular air bag is in an uninflated contraction state;
then, a second vent valve is opened, a second air pumping inflation pump inflates a second annular air bag through a second vent hose, a second vent pipe and a second air pumping inflation channel, the second annular air bag expands after being inflated, the second vent valve is closed after the second annular air bag inflates for a certain time, and the second annular air bag expands until the space between the outer peripheral wall of the bottom end of the water inlet pipe and the inner peripheral wall of the input end of the ball valve is sealed;
then opening a water inlet valve, enabling the ball valve to be in an open state, injecting water into the ball valve through a water supply hose and a water inlet pipe by a water supply device, closing the water inlet valve after injecting water for a certain time, and filling water into the ball valve to reach a certain pressure;
then detecting whether the sealing performance of the ball valve is qualified or not according to whether water seeps out of the ball valve or not;
after the detection is finished, a second vent valve is opened, and a second air pumping and inflating pump pumps air to the second annular air bag through a second vent hose, a second vent pipe and a second air pumping and inflating channel, so that the second annular air bag is contracted and separated from the inner peripheral wall of the input end of the ball valve;
then the lifting cylinder drives the lifting seat to move upwards, so that the bottom end of the water inlet pipe is withdrawn from the input end of the ball valve;
then the motor drives the supporting plate to turn over through the rotating shaft, so that the input end of the ball valve faces downwards, and water in the ball valve is poured into the water collecting tank;
then the motor drives the supporting plate to reset through the rotating shaft, so that the ball valve also resets;
then, a first vent valve is opened, and a first air pumping and inflating pump pumps air to the first annular air bag through a first air hose, a first air pipe and a first air pumping and inflating channel, so that the first annular air bag is contracted and separated from the inner peripheral wall of the output end of the ball valve;
the ball valve is then removed from the support plate.
Drawings
Fig. 1 is a schematic diagram of the present invention.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The utility model discloses the technical scheme who specifically implements is:
as shown in fig. 1, an apparatus for testing the sealability of a ball valve comprises: the device comprises a water collecting tank 1, a horizontally-arranged support plate 2 for vertically placing a ball valve 6, a vertically-arranged water inlet pipe 3, an overturning driving mechanism for driving the support plate 2 to overturn, and a lifting driving mechanism for driving the water inlet pipe 3 to vertically lift;
the supporting plate 2 is positioned right above the water collecting tank 1, the ball valve 6 to be tested is vertically placed on the supporting plate 2, the top end of the ball valve 6 is a circular-tube-shaped input end 61, the bottom end of the ball valve 6 is a circular-tube-shaped output end 62, and the input end 61 and the output end 62 of the ball valve 6 are coaxial;
the top surface of the supporting plate 2 extends upwards to form a cylindrical positioning part 21, and the positioning part 21 is positioned inside an output end 62 of the ball valve 6; the outer peripheral wall of the positioning part 21 is further sleeved with a first annular air bag 22, the inner ring of the first annular air bag 22 is fixedly connected with the outer peripheral wall of the positioning part 21, the outer ring of the first annular air bag 22 is pressed on the inner peripheral wall of the output end 62 of the ball valve 6, the outer peripheral wall of the positioning part 21 and the inner peripheral wall of the output end 62 of the ball valve 6 are sealed through the first annular air bag 22, and the output end 62 of the ball valve 6 is tightly supported and fixed by the first annular air bag 22; the bottom surface of the supporting plate 2 is provided with a first vent pipe 23; a first air pumping and inflating channel is arranged in the support plate 2 and is used for communicating the first vent pipe 23 with the first annular air bag 22; the first vent pipe 23 is provided with a first vent valve 24, and the first vent pipe 23 is connected with a first air-suction inflator pump (the first air-suction inflator pump is not shown in the figure) through a first vent hose 25;
the turnover driving mechanism comprises: a horizontally disposed rotating shaft 41 connected to the support plate 2, a shaft seat 42 supporting the rotating shaft 41, and a motor 43 driving the rotating shaft 41 to rotate;
the water inlet pipe 3 is positioned above the ball valve 6, the water inlet pipe 3 and the positioning part 21 of the support plate 2 share the same axis, the top end of the water inlet pipe 3 is connected with the water supply hose 32 through the water inlet valve 31, and the bottom end of the water inlet pipe 3 extends into the input end 61 of the ball valve 6; the outer peripheral wall of the bottom end of the water inlet pipe 3 is further sleeved with a second annular air bag 33, the inner ring of the second annular air bag 33 is fixedly connected with the outer peripheral wall of the bottom end of the water inlet pipe 3, the outer ring of the second annular air bag 33 is tightly pressed on the inner peripheral wall of the input end 61 of the ball valve 6, and the outer peripheral wall of the bottom end of the water inlet pipe 3 and the inner peripheral wall of the input end 61 of the ball valve 6 are sealed; the outer peripheral wall of the water inlet pipe 3 is also provided with a second vent pipe 34 (the second vent pipe 34 is not communicated with the inner cavity of the water inlet pipe 3), the second vent pipe 34 is positioned above the ball valve 6, and the second vent pipe 34 is close to the input end 61 of the ball valve 6; a second air suction and inflation channel is arranged in the pipe wall of the water inlet pipe 3 and is used for communicating the second vent pipe 34 with the second annular air bag 33; a second vent valve 35 is arranged on the second vent pipe 34, and the second vent pipe 34 is connected with a second air-suction inflator pump (the second air-suction inflator pump is not shown in the figure) through a second vent hose 36;
the lift drive mechanism includes: a lifting base 52 connected to the feed tube 3 through a connecting rod 51, a lifting rail 53 guiding the lifting base 52 to be vertically lifted, and a lifting cylinder 54 driving the lifting base 52 to be vertically lifted along the lifting rail 53.
The shaft seat 42 is fixed on the vertical frame 11.
The bottom end of the vertical frame 11 is fixed on the water collecting tank 1.
The motor 43 is connected to the vertical frame 11 through a connecting frame 44.
The lifting rail 53 is fixed to the vertical frame 11.
The lifting cylinder 54 is fixed to the vertical frame 11.
The lifting cylinder 54 is located above the lifting base 52.
The water supply hose 32 is connected to a water supply device (not shown).
The utility model discloses the application method of device as follows:
vertically placing the tested ball valve 6 on the support plate 2, enabling an input end 61 of the ball valve 6 to face upwards and an output end 62 of the ball valve 6 to face downwards, and sleeving the output end 62 of the ball valve 6 on the positioning part 21 of the support plate 2, wherein the first annular air bag 22 is in an uninflated contraction state;
then, the first vent valve 24 is opened, the first air suction inflator inflates the first annular air bag 22 through the first air hose 25, the first vent pipe 23 and the first air suction inflation channel, the first annular air bag 22 expands after inflation, the first vent valve 24 is closed after inflation for a certain time, at the moment, the first annular air bag 22 expands to seal the space between the outer peripheral wall of the positioning part 21 and the inner peripheral wall of the output end 62 of the ball valve 6, and the output end 62 of the ball valve 6 is tightly supported and fixed by the first annular air bag 22;
then the lifting cylinder 54 drives the lifting seat 52 to move downwards, so that the bottom end of the water inlet pipe 3 extends into the input end 61 of the ball valve 6, and the second annular air bag 33 is in an uninflated contraction state;
then, the second vent valve 35 is opened, the second air suction inflation pump inflates the second annular air bag 33 through the second vent hose 36, the second vent pipe 34 and the second air suction inflation channel, the second annular air bag 33 inflates and then expands, the second vent valve 35 is closed after the inflation is carried out for a certain time, and at the moment, the second annular air bag 33 expands until the space between the outer peripheral wall of the bottom end of the water inlet pipe 3 and the inner peripheral wall of the input end 61 of the ball valve 6 is sealed;
then, the water inlet valve 31 is opened, the ball valve 6 is in an open state, the water supply device injects water into the ball valve 6 through the water supply hose 32 and the water inlet pipe 3, the water inlet valve 31 is closed after water is injected for a certain time, and the ball valve 6 is filled with water and reaches a certain pressure;
then whether the tightness of the ball valve 6 is qualified or not is detected according to whether the ball valve 6 has water seepage or not;
after the detection is finished, the second vent valve 35 is opened, and the second air suction inflation pump sucks air from the second annular air bag 33 through the second vent hose 36, the second vent pipe 34 and the second air suction inflation channel, so that the second annular air bag 33 is contracted and separated from the inner peripheral wall of the input end 61 of the ball valve 6;
then the lifting cylinder 54 drives the lifting seat 52 to move upwards, so that the bottom end of the water inlet pipe 3 is withdrawn from the input end 61 of the ball valve 6;
then the motor 43 drives the supporting plate 2 to turn over through the rotating shaft 41, so that the input end 61 of the ball valve 6 faces downwards, and the water in the ball valve 6 is poured into the water collecting tank 1;
then the motor 43 drives the supporting plate 2 to reset through the rotating shaft 41, so that the ball valve 6 also resets;
then, the first vent valve 24 is opened, the first air suction inflator pumps air to the first annular air bag 22 through the first vent hose 25, the first vent pipe 23 and the first air suction inflation channel, so that the first annular air bag 22 is contracted and separated from the inner peripheral wall of the output end 62 of the ball valve 6;
the ball valve 6 is then removed from the support plate 2.
Therefore, the device for detecting the sealing performance of the ball valve 6 can perform water injection detection on the ball valve 6, and can pour water in the ball valve 6 into the water collecting tank 1 after the detection is completed; in addition, during detection, the first annular air bag 22 and the second annular air bag 33 are used for sealing, so that the accuracy of the detection of the sealing performance of the ball valve 6 can be ensured; when the support plate 2 is turned over, the output end 62 of the ball valve 6 is tightly supported and fixed by the first annular air bag 22, so that the ball valve 6 can be prevented from falling.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. Device for detecting the tightness of a ball valve, characterized in that it comprises: the water collecting tank is used for vertically placing a horizontally-arranged support plate of the ball valve, a vertically-arranged water inlet pipe, an overturning driving mechanism for driving the support plate to overturn and a lifting driving mechanism for driving the water inlet pipe to vertically lift;
the supporting plate is positioned right above the water collecting tank, the ball valve to be measured is vertically placed on the supporting plate, the top end of the ball valve is a circular-tube-shaped input end, the bottom end of the ball valve is a circular-tube-shaped output end, and the input end and the output end of the ball valve are coaxial;
the top surface of the supporting plate extends upwards to form a cylindrical positioning part, and the positioning part is positioned inside the output end of the ball valve; the outer peripheral wall of the positioning part is further sleeved with a first annular air bag, the inner ring of the first annular air bag is fixedly connected with the outer peripheral wall of the positioning part, the outer ring of the first annular air bag is tightly pressed on the inner peripheral wall of the output end of the ball valve, the outer peripheral wall of the positioning part and the inner peripheral wall of the output end of the ball valve are sealed through the first annular air bag, and the output end of the ball valve is tightly supported and fixed by the first annular air bag; the bottom surface of the supporting plate is provided with a first vent pipe; a first air pumping and inflating channel is arranged in the supporting plate and communicates the first vent pipe with the first annular air bag; the first vent pipe is provided with a first vent valve and is connected with a first air suction inflator pump through a first vent hose;
the turnover driving mechanism comprises: the device comprises a horizontally-arranged rotating shaft connected with a supporting plate, a shaft seat for supporting the rotating shaft and a motor for driving the rotating shaft to rotate;
the water inlet pipe is positioned above the ball valve, the water inlet pipe and the positioning part of the supporting plate share the axis, the top end of the water inlet pipe is connected with a water supply hose through a water inlet valve, and the bottom end of the water inlet pipe extends into the input end of the ball valve; the outer peripheral wall of the bottom end of the water inlet pipe is sleeved with a second annular air bag, the inner ring of the second annular air bag is fixedly connected with the outer peripheral wall of the bottom end of the water inlet pipe, the outer ring of the second annular air bag is tightly pressed on the inner peripheral wall of the input end of the ball valve, and the outer peripheral wall of the bottom end of the water inlet pipe and the inner peripheral wall of the input end of the ball valve are sealed; a second vent pipe is also arranged on the outer peripheral wall of the water inlet pipe, is positioned above the ball valve and is close to the input end of the ball valve; a second air pumping and inflating channel is arranged in the pipe wall of the water inlet pipe and is used for communicating a second vent pipe with a second annular air bag; the second vent pipe is provided with a second vent valve and is connected with a second air suction inflator pump through a second vent hose;
the lift drive mechanism includes: the lifting seat is connected with the water inlet pipe through a connecting rod, the lifting rail guides the lifting seat to vertically lift, and the lifting cylinder drives the lifting seat to vertically lift along the lifting rail.
2. An apparatus for testing the tightness of a ball valve according to claim 1, wherein said shaft seat is fixed to a vertical frame.
3. The apparatus for testing the sealability of a ball valve according to claim 2, wherein the bottom end of the vertical frame is fixed on the water collection tank.
4. The apparatus for detecting the sealability of a ball valve according to claim 1, wherein the motor is connected to the vertical frame through a connection frame.
5. An apparatus for testing the sealability of a ball valve according to claim 1, wherein the lifting rail is fixed to the vertical frame.
6. An apparatus for testing the sealability of a ball valve according to claim 1, wherein the lifting cylinder is fixed on the vertical frame.
7. An apparatus for testing the tightness of a ball valve according to claim 1, wherein said lift cylinder is located above a lift seat.
8. The apparatus for detecting the sealability of a ball valve according to claim 1, wherein the water supply hose is connected to a water supply device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020460700.XU CN211626817U (en) | 2020-04-02 | 2020-04-02 | Device for detecting sealing performance of ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020460700.XU CN211626817U (en) | 2020-04-02 | 2020-04-02 | Device for detecting sealing performance of ball valve |
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| Publication Number | Publication Date |
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| CN211626817U true CN211626817U (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020460700.XU Active CN211626817U (en) | 2020-04-02 | 2020-04-02 | Device for detecting sealing performance of ball valve |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114577414A (en) * | 2022-03-08 | 2022-06-03 | 苏州协同创新智能制造装备有限公司 | Pipeline control method of ball valve water injection detection device |
| CN116242564A (en) * | 2023-04-27 | 2023-06-09 | 江苏非凡仪器仪表有限公司 | Test bed for static seal test of throttle valve |
-
2020
- 2020-04-02 CN CN202020460700.XU patent/CN211626817U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114577414A (en) * | 2022-03-08 | 2022-06-03 | 苏州协同创新智能制造装备有限公司 | Pipeline control method of ball valve water injection detection device |
| CN116242564A (en) * | 2023-04-27 | 2023-06-09 | 江苏非凡仪器仪表有限公司 | Test bed for static seal test of throttle valve |
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