CN211504576U - Ball valve air tightness detection device - Google Patents
Ball valve air tightness detection device Download PDFInfo
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- CN211504576U CN211504576U CN202020437748.9U CN202020437748U CN211504576U CN 211504576 U CN211504576 U CN 211504576U CN 202020437748 U CN202020437748 U CN 202020437748U CN 211504576 U CN211504576 U CN 211504576U
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Abstract
The utility model discloses a ball valve gas tightness detection device, include: the horizontal bottom plate is used for horizontally placing a support frame of the ball valve, and an air inlet pipe and a pressure measuring pipe which are arranged along the left and right directions; the right end of the air inlet pipe extends into the input end of the ball valve, and the outer peripheral wall of the right end of the air inlet pipe and the inner peripheral wall of the input end of the ball valve are sealed through a first annular air bag; the left end of the pressure measuring pipe stretches into the output end of the ball valve, and the outer peripheral wall of the left end of the pressure measuring pipe and the inner peripheral wall of the output end of the ball valve are sealed through a second annular air bag. The utility model discloses ball valve gas tightness detection device, it can carry out the gas tightness to the ball valve and detect, and during the detection, adopts annular gasbag to seal, and is sealed effectual, can guarantee the accuracy that the gas tightness detected.
Description
Technical Field
The utility model relates to a ball valve gas tightness detection device.
Background
The ball valve is the usual opening and closing piece when the gas circulation for different occasions have different leakproofness requirements, consequently, all need carry out the gas tightness 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 ball valve gas tightness detection device, it can carry out the gas tightness to the ball valve and detect.
In order to achieve the above object, the technical scheme of the utility model is to design a ball valve gas tightness detection device, include: the horizontal bottom plate is used for horizontally placing a support frame of the ball valve, and an air inlet pipe and a pressure measuring pipe which are arranged along the left and right directions;
the support frame is arranged on the bottom plate, the ball valve to be tested is flatly arranged on the support frame, the ball valve is arranged along the left and right directions, the left end of the ball valve is a circular-tube-shaped input end, the right 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 air inlet pipe is positioned on the left side of the ball valve, the right end of the air inlet pipe extends into the input end of the ball valve, and the left end of the air inlet pipe is connected with the air inlet hose through the air inlet valve; a left sliding seat is arranged right below the air inlet pipe, and the air inlet pipe is connected with the left sliding seat through a left bracket; the bottom plate is provided with a left sliding chute arranged along the left-right direction, the left sliding chute is positioned at the left side of the supporting frame, and the left sliding seat is arranged in the left sliding chute;
the outer peripheral wall of the right end of the air inlet pipe 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 right end of the air inlet pipe, the outer ring of the first annular air bag abuts against the inner peripheral wall of the input end of the ball valve, and the outer peripheral wall of the right end of the air inlet pipe and the inner peripheral wall of the input end of the ball valve are sealed through the first annular air; a vertically arranged first inflation pipe is arranged at the top of the air inlet pipe, the first inflation pipe is positioned on the left side of the ball valve, and the first inflation pipe is close to the input end of the ball valve; the top end of the first inflation tube is connected with a first inflation hose through a first inflation valve; a first inflation channel is arranged in the top pipe wall of the air inlet pipe and is used for communicating the first inflation pipe with the first annular air bag; a first air exhaust pipe is vertically arranged at the bottom of the air inlet pipe, is positioned on the left side of the ball valve and is close to the input end of the ball valve; the bottom end of the first air exhaust pipe is connected with a first air exhaust hose through a first air exhaust valve; a first air exhaust channel is arranged in the bottom pipe wall of the air inlet pipe and is used for communicating the first air exhaust pipe with the first annular air bag;
the pressure measuring pipe is positioned on the right side of the ball valve, the pressure measuring pipe and the air inlet pipe share the axis, the left end of the pressure measuring pipe extends into the output end of the ball valve, and the right end of the pressure measuring pipe is closed by an end cover; the end cover is provided with an air pressure detection device, an air pressure sensing end of the air pressure detection device extends into the pressure measuring pipe, and a reading display end of the air pressure detection device is positioned on the right side of the end cover; a right sliding seat is arranged right below the pressure measuring pipe, and the pressure measuring pipe is connected with the right sliding seat through a right bracket; the bottom plate is provided with a right sliding chute arranged along the left-right direction, the right sliding chute is positioned on the right side of the supporting frame, and the right sliding seat is arranged in the right sliding chute;
the outer peripheral wall of the left end of the pressure measuring pipe is further 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 left end of the pressure measuring pipe, the outer ring of the second annular air bag abuts against the inner peripheral wall of the output end of the ball valve, and the outer peripheral wall of the left end of the pressure measuring pipe and the inner peripheral wall of the output end of the ball valve are sealed through the second annular air bag; a second inflation pipe is vertically arranged at the top of the pressure measuring pipe, is positioned on the right side of the ball valve and is close to the output end of the ball valve; the top end of the second inflation tube is connected with a second inflation hose through a second inflation valve; a second inflation channel is arranged in the top pipe wall of the pressure measuring pipe and is used for communicating the second inflation pipe with the second annular air bag; a second air exhaust pipe is vertically arranged at the bottom of the pressure measuring pipe, is positioned on the right side of the ball valve and is close to the output end of the ball valve; the bottom end of the second air exhaust pipe is connected with a second air exhaust hose through a second air exhaust valve; and a second air exhaust channel is arranged in the bottom pipe wall of the pressure measuring pipe and is used for communicating the second air exhaust pipe with the second annular air bag.
Preferably, the first inflation hose is connected to a first air supply device.
Preferably, the second inflation hose is connected to a second air supply device.
Preferably, the air inlet hose is connected to a third air supply device.
Preferably, the first air suction hose and the second air suction hose are connected with an air suction device.
Preferably, the left sliding seat is provided with a left air cylinder which drives the left sliding seat to move left and right along the left sliding groove.
Preferably, the left air cylinder is located on the left side of the left sliding seat.
Preferably, the right sliding seat is provided with a right air cylinder for driving the right sliding seat to move left and right along the right sliding chute.
Preferably, the right cylinder is located on the right side of the right slide.
The utility model has the advantages and the beneficial effects that: the utility model provides a ball valve gas tightness detection device, it can carry out the gas tightness to the ball valve and detect, and during the detection, adopts annular gasbag to seal, and is sealed effectual, can guarantee the accuracy that the gas tightness detected.
The use method of the ball valve air tightness detection device is as follows: firstly, a tested ball valve is flatly placed on a support frame, the input end of the ball valve faces to the left, and the output end of the ball valve faces to the right; then the left air cylinder drives the left sliding seat to move right, so that the right end of the air inlet pipe extends into the input end of the ball valve (at the moment, the first annular air bag is in an uninflated contraction state), and the right air cylinder drives the right sliding seat to move left, so that the left end of the pressure measuring pipe extends into the output end of the ball valve (at the moment, the second annular air bag is also in an uninflated contraction state); then closing the first air exhaust valve and the second air exhaust valve, opening the first inflation valve and the second inflation valve, inflating the first annular air bag by the first air supply device through the first inflation hose, the first inflation pipe and the first inflation channel, inflating the first annular air bag, closing the first inflation valve after inflating for a certain time, and at the moment, expanding the first annular air bag until the space between the outer peripheral wall of the right end of the air inlet pipe and the inner peripheral wall of the input end of the ball valve is sealed; meanwhile, a second air supply device inflates a second annular air bag through a second inflation hose, a second inflation tube and a second inflation channel, the second annular air bag expands after being inflated, a second inflation 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 left end of the piezometric tube and the inner peripheral wall of the output end of the ball valve is sealed; then an air inlet valve is opened, a third air supply device inflates air to the ball valve to be detected through an air inlet hose and an air inlet pipe (the ball valve is in an open state at the moment, namely the air inlet pipe is communicated with a pressure measuring pipe through the ball valve), the air inlet valve is closed after the air is inflated for a certain time, after the air pressure in the ball valve to be detected is basically stable, a reading display end of an air pressure detection device is continuously observed, and if the numerical value is unchanged or the numerical value is changed within a reasonable range within a period of time, the air tightness detection of; after the detection is finished, a first air exhaust valve and a second air exhaust valve are opened (the first inflation valve and the second inflation valve are kept closed), an air exhaust device exhausts air to the first annular air bag through a first air exhaust hose and a first air exhaust channel, and the first annular air bag is contracted and separated from the inner peripheral wall of the input end of the ball valve; meanwhile, the air extractor extracts air from the second annular air bag through the second air extracting hose and the second air extracting channel, so that the second annular air bag is contracted and separated from the inner peripheral wall of the output end of the ball valve; then, the left air cylinder drives the left sliding seat to move left, so that the right end of the air inlet pipe is withdrawn from the input end of the ball valve, and the right air cylinder drives the right sliding seat to move right, so that the left end of the pressure measuring pipe is withdrawn from the output end of the ball valve; after the air inlet pipe and the pressure measuring pipe are withdrawn, the ball valve is taken away from the support frame.
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, a ball valve airtightness detecting apparatus includes: the device comprises a horizontally arranged bottom plate 1, a support frame 2 for horizontally arranging a ball valve 9, an air inlet pipe 3 and a pressure measuring pipe 4 which are arranged along the left and right direction;
the supporting frame 2 is arranged on the bottom plate 1, the ball valve 9 to be tested is flatly placed on the supporting frame 2, the ball valve 9 is arranged along the left-right direction, the left end of the ball valve 9 is a circular tubular input end 91, the right end of the ball valve 9 is a circular tubular output end 92, and the input end 91 and the output end 92 of the ball valve 9 are coaxial;
the air inlet pipe 3 is positioned on the left side of the ball valve 9, the right end of the air inlet pipe 3 extends into the input end 91 of the ball valve 9, and the left end of the air inlet pipe 3 is connected with the air inlet hose 32 through the air inlet valve 31; a left sliding seat 51 is arranged right below the air inlet pipe 3, and the air inlet pipe 3 is connected with the left sliding seat 51 through a left bracket 52; the bottom plate 1 is provided with a left sliding chute arranged along the left-right direction, the left sliding chute is positioned at the left side of the support frame 2, and the left sliding seat 51 is arranged in the left sliding chute;
the outer peripheral wall of the right end of the air inlet pipe 3 is further sleeved with a first annular air bag 33, the inner ring of the first annular air bag 33 is fixedly connected with the outer peripheral wall of the right end of the air inlet pipe 3, the outer ring of the first annular air bag 33 abuts against the inner peripheral wall of the input end 91 of the ball valve 9, and the outer peripheral wall of the right end of the air inlet pipe 3 and the inner peripheral wall of the input end 91 of the ball valve 9 are sealed through the first annular air bag; a vertically arranged first inflation tube 61 is arranged at the top of the air inlet tube 3 (the first inflation tube 61 is not communicated with the inner cavity of the air inlet tube 3), the first inflation tube 61 is positioned at the left side of the ball valve 9, and the first inflation tube 61 is close to the input end 91 of the ball valve 9; the top end of the first inflation tube 61 is connected with a first inflation hose 63 through a first inflation valve 62; a first inflation channel is arranged in the top tube wall of the air inlet tube 3 and communicates the first inflation tube 61 with the first annular air bag 33; a first air suction pipe 64 is vertically arranged at the bottom of the air inlet pipe 3 (the first air suction pipe 64 is not communicated with the inner cavity of the air inlet pipe 3), the first air suction pipe 64 is positioned at the left side of the ball valve 9, and the first air suction pipe 64 is close to the input end 91 of the ball valve 9; the bottom end of the first suction pipe 64 is connected with a first suction hose 66 through a first suction valve 65; a first air suction channel is arranged in the bottom tube wall of the air inlet tube 3 and is used for communicating the first air suction tube 64 with the first annular air bag 33;
the pressure measuring pipe 4 is positioned on the right side of the ball valve 9, the pressure measuring pipe 4 and the air inlet pipe 3 share the same axis, the left end of the pressure measuring pipe 4 extends into the output end 92 of the ball valve 9, and the right end of the pressure measuring pipe 4 is closed by the end cover 41; the end cover 41 is provided with an air pressure detection device 42, an air pressure sensing end of the air pressure detection device 42 extends into the pressure measuring pipe 4, and a reading display end of the air pressure detection device 42 is positioned on the right side of the end cover 41; a right sliding seat 71 is arranged right below the pressure measuring pipe 4, and the pressure measuring pipe 4 is connected with the right sliding seat 71 through a right bracket 72; the bottom plate 1 is provided with a right sliding chute arranged along the left-right direction, the right sliding chute is positioned at the right side of the support frame 2, and the right sliding seat 71 is arranged in the right sliding chute;
the outer peripheral wall of the left end of the pressure measuring pipe 4 is further sleeved with a second annular air bag 43, the inner ring of the second annular air bag 43 is fixedly connected with the outer peripheral wall of the left end of the pressure measuring pipe 4, the outer ring of the second annular air bag 43 abuts against the inner peripheral wall of the output end 92 of the ball valve 9, and the outer peripheral wall of the left end of the pressure measuring pipe 4 is sealed with the inner peripheral wall of the output end 92 of the ball valve 9 through the second annular air bag 43; a vertically arranged second inflation pipe 81 is arranged at the top of the pressure measuring pipe 4 (the second inflation pipe 81 is not communicated with the inner cavity of the pressure measuring pipe 4), the second inflation pipe 81 is positioned at the right side of the ball valve 9, and the second inflation pipe 81 is close to the output end 92 of the ball valve 9; the top end of the second inflation tube 81 is connected with a second inflation hose 83 through a second inflation valve 82; a second inflation channel is arranged in the top tube wall of the pressure measuring tube 4 and is used for communicating the second inflation tube 81 with the second annular air bag 43; a second air suction pipe 84 is vertically arranged at the bottom of the pressure measuring pipe 4 (the second air suction pipe 84 is not communicated with the inner cavity of the pressure measuring pipe 4), the second air suction pipe 84 is positioned at the right side of the ball valve 9, and the second air suction pipe 84 is close to the output end 92 of the ball valve 9; the bottom end of the second suction pipe 84 is connected with a second suction hose 86 through a second suction valve 85; the bottom tube wall of the piezometric tube 4 is provided with a second air suction channel which connects the second air suction tube 84 with the second annular air bag 43.
The first air hose 63 is connected to a first air supply device (not shown).
The second air hose 83 is connected to a second air supply device (not shown).
The air inlet hose 32 is connected to a third air supply device (not shown).
The first and second suction hoses 66, 86 are connected to a suction device (not shown).
The left slide 51 is provided with a left air cylinder 53 for driving the left and right movement along the left slide groove.
The left air cylinder 53 is located on the left side of the left slide 51.
The right slide carriage 71 is provided with a right cylinder 73 for driving the right slide carriage to move left and right along the right slide groove.
The right cylinder 73 is located on the right side of the right slide 71.
The use method of the ball valve 9 airtightness detection device is as follows: firstly, a tested ball valve 9 is flatly placed on a support frame 2, the input end 91 of the ball valve 9 faces to the left, and the output end 92 of the ball valve 9 faces to the right; then the left air cylinder 53 drives the left sliding seat 51 to move right, so that the right end of the air inlet pipe 3 extends into the input end 91 of the ball valve 9 (at this time, the first annular air bag 33 is in an uninflated contracted state), and the right air cylinder 73 drives the right sliding seat 71 to move left, so that the left end of the pressure measuring pipe 4 extends into the output end 92 of the ball valve 9 (at this time, the second annular air bag 43 is also in an uninflated contracted state); then, the first air suction valve 65 and the second air suction valve 85 are closed, the first inflation valve 62 and the second inflation valve 82 are opened, the first air supply device inflates the first annular air bag 33 through the first inflation hose 63, the first inflation tube 61 and the first inflation channel, the first annular air bag 33 expands after being inflated, the first inflation valve 62 is closed after the first annular air bag 33 inflates for a certain time, and at the moment, the first annular air bag 33 expands to seal the space between the outer peripheral wall of the right end of the air inlet tube 3 and the inner peripheral wall of the input end 91 of the ball valve 9; meanwhile, the second air supply device inflates the second annular air bag 43 through the second inflation hose 83, the second inflation tube 81 and the second inflation channel, the second annular air bag 43 expands after being inflated, the second inflation valve 82 is closed after being inflated for a certain time, and at the moment, the second annular air bag 43 expands to seal the space between the outer peripheral wall of the left end of the pressure measuring tube 4 and the inner peripheral wall of the output end 92 of the ball valve 9; then, the air inlet valve 31 is opened, the third air supply device inflates air to the ball valve 9 to be tested through the air inlet hose 32 and the air inlet pipe 3 (at the moment, the ball valve 9 is in an open state, namely, the air inlet pipe 3 is communicated with the pressure measuring pipe 4 through the ball valve 9), the air inlet valve 31 is closed after the air is inflated for a certain time, the reading display end of the air pressure detection device 42 is continuously observed after the air pressure in the ball valve 9 to be tested is basically stable, and if the numerical value is unchanged or the numerical value is changed within a reasonable range within a period of time, the air tightness detection; after the detection is finished, the first suction valve 65 and the second suction valve 85 are opened (the first inflation valve 62 and the second inflation valve 82 are kept closed), the suction device sucks air from the first annular air bag 33 through the first suction hose 66 and the first suction channel, so that the first annular air bag 33 is contracted and separated from the inner peripheral wall of the input end 91 of the ball valve 9; meanwhile, the air extractor extracts air from the second annular air bag 43 through the second air extracting hose 86 and the second air extracting channel, so that the second annular air bag 43 is contracted and separated from the inner peripheral wall of the output end 92 of the ball valve 9; then, the left air cylinder 53 drives the left sliding seat 51 to move left, so that the right end of the air inlet pipe 3 is withdrawn from the input end 91 of the ball valve 9, and the right air cylinder 73 drives the right sliding seat 71 to move right, so that the left end of the pressure measuring pipe 4 is withdrawn from the output end 92 of the ball valve 9; after the air inlet pipe 3 and the pressure measuring pipe 4 are withdrawn, the ball valve 9 is taken away from the support frame 2.
The utility model discloses ball valve gas tightness detection device, it can carry out the gas tightness to ball valve 9 and detect, and during the detection, adopts annular gasbag 33, 43 to seal, and is sealed effectual, can guarantee the accuracy that the gas tightness detected.
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 (9)
1. Ball valve gas tightness detection device, its characterized in that includes: the horizontal bottom plate is used for horizontally placing a support frame of the ball valve, and an air inlet pipe and a pressure measuring pipe which are arranged along the left and right directions;
the support frame is arranged on the bottom plate, the ball valve to be tested is flatly arranged on the support frame, the ball valve is arranged along the left and right directions, the left end of the ball valve is a circular-tube-shaped input end, the right 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 air inlet pipe is positioned on the left side of the ball valve, the right end of the air inlet pipe extends into the input end of the ball valve, and the left end of the air inlet pipe is connected with the air inlet hose through the air inlet valve; a left sliding seat is arranged right below the air inlet pipe, and the air inlet pipe is connected with the left sliding seat through a left bracket; the bottom plate is provided with a left sliding chute arranged along the left-right direction, the left sliding chute is positioned at the left side of the supporting frame, and the left sliding seat is arranged in the left sliding chute;
the outer peripheral wall of the right end of the air inlet pipe 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 right end of the air inlet pipe, the outer ring of the first annular air bag abuts against the inner peripheral wall of the input end of the ball valve, and the outer peripheral wall of the right end of the air inlet pipe and the inner peripheral wall of the input end of the ball valve are sealed through the first annular air; a vertically arranged first inflation pipe is arranged at the top of the air inlet pipe, the first inflation pipe is positioned on the left side of the ball valve, and the first inflation pipe is close to the input end of the ball valve; the top end of the first inflation tube is connected with a first inflation hose through a first inflation valve; a first inflation channel is arranged in the top pipe wall of the air inlet pipe and is used for communicating the first inflation pipe with the first annular air bag; a first air exhaust pipe is vertically arranged at the bottom of the air inlet pipe, is positioned on the left side of the ball valve and is close to the input end of the ball valve; the bottom end of the first air exhaust pipe is connected with a first air exhaust hose through a first air exhaust valve; a first air exhaust channel is arranged in the bottom pipe wall of the air inlet pipe and is used for communicating the first air exhaust pipe with the first annular air bag;
the pressure measuring pipe is positioned on the right side of the ball valve, the pressure measuring pipe and the air inlet pipe share the axis, the left end of the pressure measuring pipe extends into the output end of the ball valve, and the right end of the pressure measuring pipe is closed by an end cover; the end cover is provided with an air pressure detection device, an air pressure sensing end of the air pressure detection device extends into the pressure measuring pipe, and a reading display end of the air pressure detection device is positioned on the right side of the end cover; a right sliding seat is arranged right below the pressure measuring pipe, and the pressure measuring pipe is connected with the right sliding seat through a right bracket; the bottom plate is provided with a right sliding chute arranged along the left-right direction, the right sliding chute is positioned on the right side of the supporting frame, and the right sliding seat is arranged in the right sliding chute;
the outer peripheral wall of the left end of the pressure measuring pipe is further 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 left end of the pressure measuring pipe, the outer ring of the second annular air bag abuts against the inner peripheral wall of the output end of the ball valve, and the outer peripheral wall of the left end of the pressure measuring pipe and the inner peripheral wall of the output end of the ball valve are sealed through the second annular air bag; a second inflation pipe is vertically arranged at the top of the pressure measuring pipe, is positioned on the right side of the ball valve and is close to the output end of the ball valve; the top end of the second inflation tube is connected with a second inflation hose through a second inflation valve; a second inflation channel is arranged in the top pipe wall of the pressure measuring pipe and is used for communicating the second inflation pipe with the second annular air bag; a second air exhaust pipe is vertically arranged at the bottom of the pressure measuring pipe, is positioned on the right side of the ball valve and is close to the output end of the ball valve; the bottom end of the second air exhaust pipe is connected with a second air exhaust hose through a second air exhaust valve; and a second air exhaust channel is arranged in the bottom pipe wall of the pressure measuring pipe and is used for communicating the second air exhaust pipe with the second annular air bag.
2. The ball valve airtightness detection apparatus according to claim 1, wherein the first air-filling hose is connected to a first air-supply device.
3. The ball valve airtightness detection apparatus according to claim 1, wherein the second air-filling hose is connected to a second air-supply device.
4. The ball valve airtightness detection apparatus according to claim 1, wherein the air intake hose is connected to a third air supply device.
5. The ball valve airtightness detection apparatus according to claim 1, wherein the first suction hose and the second suction hose are connected to a suction device.
6. The ball valve airtightness detection apparatus according to claim 1, wherein the left slide base is provided with a left air cylinder for driving the left and right movement thereof along the left slide groove.
7. The ball valve airtightness detection apparatus according to claim 6, wherein the left cylinder is located on the left side of the left slide.
8. The ball valve airtightness detection apparatus according to claim 1, wherein the right slider is provided with a right cylinder for driving the right slider to move left and right along the right slide groove.
9. The ball valve airtightness detection apparatus according to claim 8, wherein the right cylinder is located on the right side of the right slider.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020437748.9U CN211504576U (en) | 2020-03-31 | 2020-03-31 | Ball valve air tightness detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020437748.9U CN211504576U (en) | 2020-03-31 | 2020-03-31 | Ball valve air tightness detection device |
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| CN211504576U true CN211504576U (en) | 2020-09-15 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112964435A (en) * | 2021-02-04 | 2021-06-15 | 浙江山鹰纸业有限公司 | Air tire leakage detection device and detection method for metering rod of film transfer sizing machine |
| CN114777423A (en) * | 2022-04-13 | 2022-07-22 | 豪利机械(苏州)有限公司 | Valve body machining method |
-
2020
- 2020-03-31 CN CN202020437748.9U patent/CN211504576U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112964435A (en) * | 2021-02-04 | 2021-06-15 | 浙江山鹰纸业有限公司 | Air tire leakage detection device and detection method for metering rod of film transfer sizing machine |
| CN114777423A (en) * | 2022-04-13 | 2022-07-22 | 豪利机械(苏州)有限公司 | Valve body machining method |
| CN114777423B (en) * | 2022-04-13 | 2024-04-12 | 豪利机械(苏州)有限公司 | Valve body machining method |
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