CN113146114B - Welding single-filament head for maintaining without stopping conveying and pressing - Google Patents
Welding single-filament head for maintaining without stopping conveying and pressing Download PDFInfo
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- CN113146114B CN113146114B CN202110523805.4A CN202110523805A CN113146114B CN 113146114 B CN113146114 B CN 113146114B CN 202110523805 A CN202110523805 A CN 202110523805A CN 113146114 B CN113146114 B CN 113146114B
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- annular groove
- conveying channel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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Abstract
The invention provides a continuous-conveying and pressurized-maintaining welding single-screw head, which comprises a conveying channel and a magnetic blocking ball, wherein the conveying channel is positioned in the single-screw head; the conveying passage side is provided with the shutoff ball cavity that contains the shutoff ball, the shutoff ball cavity is located inside the monofilament to with the conveying passage intercommunication, under outside magnetic force, the shutoff ball is removed to the conveying passage in from the shutoff ball cavity, the shutoff ball is used for shutoff conveying passage. By adopting the scheme, under the condition of not stopping gas, the natural gas can be directly blocked, so that the natural gas cannot be leaked, the safety of a gas transmission station and a valve chamber is further improved, the risk caused by the leaked natural gas is reduced, and the economic loss is greatly reduced.
Description
Technical Field
The invention relates to the technical field of plugging maintenance, in particular to a welding monofilament head for continuous-conveying and pressurized maintenance.
Background
In pressure measuring devices installed in gas transmission station yards and valve chambers, leakage of the pressure measuring devices close to threads of a main line connecting end often occurs, and leaked natural gas can generate great potential safety hazards to the surroundings; the conventional disposal method is to vent natural gas in the pipe to relieve pressure, disassemble and connect an internal thread pressure control valve, disassemble an external thread screw head, and then wrap a sealing raw material belt or a special thread sealing glue at the thread position for disposal. However, the gas transmission main line is in a production state, and generally does not have the opportunity of stopping gas to process leakage points, the distance between the station and the valve chamber or between the valve chamber and the valve chamber is about 20 kilometers, if the main line stops gas and empties, more natural gas is emptied, the economic loss of a company is large, and the emptied natural gas has larger risk to the surrounding environment.
Further optimizing the structural design of the connecting screw head undoubtedly has important significance for optimizing the assembly process and the safety performance.
Disclosure of Invention
In order to solve the problem that the structural design of the further optimized connecting screw head is of great significance to the optimized assembly process and safety performance undoubtedly, the invention provides the continuous-conveying and pressurized-maintaining welding single screw head.
The technical scheme adopted by the invention is as follows: a non-stop conveying belt pressing maintenance welding single-filament head comprises a conveying channel positioned in the single-filament head and a magnetic blocking ball;
the conveying channel side is provided with the shutoff ball cavity of interior contained shutoff ball, the shutoff ball cavity is located the monofilament head inside to with the conveying channel intercommunication, under the external magnetic force effect, in the shutoff ball removed conveying channel from the shutoff ball cavity, the shutoff ball was used for the shutoff conveying channel.
When this scheme is specifically operated, in order to prevent that the external screw thread connection of monofilament head is in the connection valve carelessly a little, the problem of leaking the point appears very easily, lead to revealing the natural gas, a monofilament head with shutoff ball is provided, the inside transfer passage of monofilament head is used for carrying the natural gas, be provided with the shutoff ball cavity on one side of the transfer passage, and shutoff ball cavity and transfer passage intercommunication, wherein the shutoff ball sets up inside the shutoff ball cavity, and the shutoff ball can remove in the shutoff ball cavity, under normal operating condition, the shutoff ball is located the shutoff ball cavity, when the external screw thread department reveals the point, because the shutoff ball has magnetism, under the effect of external magnetic force, inhale the shutoff ball from the shutoff ball cavity to the transfer passage in, wherein the size phase-match of shutoff ball and transfer pipe, the shutoff ball can realize the closure to transfer passage, make the natural gas in the pipeline unable through the monofilament head transmission go out, can realize the maintenance to the leakage under the circumstances of not stopping the gas, after the maintenance is accomplished, the shutoff ball can get back to the dew point under the effect of magnetic force, the monofilament head begins to the dew point, the ventilation is opened.
Furthermore, the side surface of the conveying channel is provided with an annular groove, two ends of the annular groove are connected with the sealing ball cavity, and the diameter of the sealing ball is larger than that of the conveying channel.
When this scheme specifically functions, still be provided with the annular groove in the transfer passage side, and the both ends of annular groove all link to each other with the shutoff ball cavity, and when the shutoff ball got into transfer passage, the shutoff ball can fall on the annular groove, and wherein the diameter of shutoff ball is greater than transfer passage's diameter, and the shutoff ball just can not fall out the transfer passage both ends from the annular groove, is blocked at transfer passage department even.
Further, the maximum diameter of the annular groove is equal to the diameter of the blocking ball.
When this scheme specifically functions, the diameter of annular groove equals with the diameter of shutoff ball, and when the shutoff ball moved annular groove department and carries out the shutoff, annular groove was hugged closely to the most part of shutoff ball, and the subtotal lies in the shutoff ball cavity, and the shutoff ball can just and annular groove phase-match, has further improved sealed effect.
Further, the air outlet of the conveying channel is located above the annular groove, and the air inlet of the conveying channel is located below the annular groove.
When this scheme specifically functions, transfer passage's gas outlet is located the annular groove top, and transfer passage's air inlet is located the annular groove below, and under the external magnetic force effect of shutoff ball, when carrying out the shutoff to transfer passage, air inlet department can last the air admission, leads to the atmospheric pressure of air inlet department to be higher than the atmospheric pressure of gas outlet department, and atmospheric pressure can further extrude the shutoff ball this moment, realizes the shutoff.
Further, valve and monofilament head external threaded connection, and the other side of monofilament head reduces the leakage point for improving the steadiness, makes the monofilament head be located the tip and the welding of trunk pipeline export of air inlet department, sets up to: pipe threads are arranged on the outer side, located at the air outlet, of the single-screw head, and the end, located at the air inlet, of the single-screw head is welded with the outlet of the trunk pipeline.
Further, for improving the leakproofness, make the upper end of annular groove and the export upper end of shutoff ball cavity flush, both sides flush and form sealed platform, and the shutoff ball upper end can directly be used for sealing, sets up to: the upper end of the annular groove is flush with the upper end of the outlet of the blocking ball cavity.
Further, for making the shutoff ball accomplish the shutoff back, can return to the shutoff ball cavity smoothly, make the lower extreme of annular groove be higher than the export lower extreme of shutoff ball cavity, form the return platform this moment, fill high-pressure gas in gas outlet department, the shutoff ball falls back on the lower extreme of annular groove this moment to by the top back shutoff ball cavity, set up to: the lower end of the annular groove is higher than the lower end of an outlet of the blocking ball cavity.
Further, for making during normal operation, the shutoff ball can not remove at will in the shutoff ball cavity, sets up to: the bottom of the blocking ball cavity is provided with a groove, and the groove is used for placing a blocking ball.
Further, for increasing the service life, the method comprises the following steps: the blocking ball is made of magnetic steel.
Further, for improving the steadiness, set up as: the monofilament adopts stainless steel.
The invention has the following beneficial effects:
the scheme provides a welding monofilament head for maintaining under pressure without stopping gas transmission, and by adopting the scheme, natural gas can be directly plugged under the condition of not stopping gas transmission, so that the natural gas cannot be leaked, the safety of a gas transmission station and a valve chamber is further improved, the risk caused by the leaked natural gas is reduced, and the economic loss is greatly reduced; and the operation is simple, and the method can be widely used.
Drawings
FIG. 1 is a schematic structural view of a welding monofilament head for continuous conveyance and pressurized maintenance according to the present invention;
fig. 2 is a running diagram of a plugging ball for maintaining a welding monofilament head under pressure without stopping conveying.
The reference numbers in the figures are: 1-single thread head, 2-blocking ball, 3-blocking ball chamber, 4-annular groove, 5-air outlet, 6-air inlet, 7-conveying channel, 8-groove, and 9-pipe thread.
Detailed Description
The present invention will be described in further detail with reference to examples.
Example (b): as shown in fig. 1 and fig. 2, a continuous-conveying single-wire head for maintaining and welding with pressure comprises a conveying channel 7 positioned in the single-wire head 1 and also comprises a magnetic plugging ball 2;
In this embodiment, in order to prevent that the external screw thread connection of monofilament 1 from being careless when connecting the valve, the problem of leaking the dew point appears very easily, lead to revealing the natural gas, a monofilament 1 with a shutoff ball 2 is provided, conveying channel 7 inside the monofilament 1 is used for carrying the natural gas, be provided with shutoff ball cavity 3 on one side of conveying channel 7, and shutoff ball cavity 3 and conveying channel 7 communicate, wherein shutoff ball 2 sets up inside shutoff ball cavity 3, and shutoff ball 2 can move in shutoff ball cavity 3, under normal operating condition, shutoff ball 2 is located shutoff ball cavity 3, when the dew point appears in the external screw thread department, because shutoff ball 2 has magnetism, under the effect of external magnetic force, inhale shutoff ball 2 from shutoff ball cavity 3 to conveying channel 7 in, wherein the size phase-match of shutoff ball 2 and conveying pipeline, shutoff ball 2 can realize the closure to conveying channel 7, make the natural gas in the pipeline unable through the transmission of monofilament 1, can realize under the condition of not stopping the release of gas, realize the maintenance to the dew point of the dew point, after the maintenance of shutoff ball 2, can get back to the dew point of the dew point under the effect of single silk head, the maintenance of the dew point can be accomplished in the single silk head, after the maintenance, the dew point of the maintenance ball 2, the dew point can be accomplished under the effect of the single silk head, the dew point, the maintenance, the dew point can be reached.
In this embodiment, an annular groove 4 is further formed on the side surface of the conveying channel 7, and both ends of the annular groove 4 are connected to the blocking ball chamber 3, when the blocking ball 2 enters the conveying channel 7, the blocking ball 2 will fall on the annular groove 4, wherein the diameter of the blocking ball 2 is larger than that of the conveying channel 7, and the blocking ball 2 will not fall from the annular groove 4 to both ends of the conveying channel 7, and even be jammed at the conveying channel 7.
In this embodiment, the diameter of annular groove 4 equals with the diameter of shutoff ball 2, and when shutoff ball 2 moved annular groove 4 department and carried out the shutoff, annular groove 4 was hugged closely to 2 most parts of shutoff ball, and the subtotal lies in shutoff ball cavity 3, and shutoff ball 2 can just with annular groove 4 phase-matches, has further improved sealed effect.
In this embodiment, conveying channel 7's gas outlet 5 is located annular groove 4 top, and conveying channel 7's air inlet 6 is located annular groove 4 below, and when blocking ball 2 outside magnetic force effect, when carrying out the shutoff to conveying channel 7, 6 departments of air inlet can continuously admit air, lead to the atmospheric pressure of 6 departments of air inlet to be higher than the atmospheric pressure of 5 departments of gas outlet, and atmospheric pressure can further extrude blocking ball 2 this moment, realizes the shutoff.
In this embodiment, valve and 1 external threaded connection of monofilament head, and 1 another party of monofilament head is for improving the steadiness, reduces the leakage point, makes the tip and the trunk line pipeline export welding that monofilament head 1 is located air inlet 6 department, sets up to: the outer side of the single-screw head 1 at the air outlet 5 is provided with a pipe thread 9, and the end part of the single-screw head 1 at the air inlet 6 is welded with the outlet of the trunk pipeline.
In this embodiment, for improving the leakproofness, make the upper end of annular groove 4 and the export upper end of shutoff ball cavity 3 flush, both sides flush and form sealed platform, and 2 upper ends of shutoff ball can directly be used for sealedly, set up to: the upper end of the annular groove 4 is flush with the upper end of the outlet of the plugging ball chamber 3.
In this embodiment, in order to make the sealing ball 2 smoothly return to the sealing ball chamber 3 after completing the sealing, the lower end of the annular groove 4 is higher than the lower end of the outlet of the sealing ball chamber 3, at this time, a return table is formed, high-pressure gas is filled in the gas outlet 5, at this time, the sealing ball 2 falls back on the lower end of the annular groove 4 and is pushed back to the sealing ball chamber 3, and the setting is as follows: the lower end of the annular groove 4 is higher than the lower end of the outlet of the blocking ball chamber 3.
In this embodiment, in order to make during normal operation, blocking ball 2 can not remove at will in blocking ball cavity 3, sets up to: the bottom of the blocking ball chamber 3 is provided with a groove 8, and the groove 8 is used for placing the blocking ball 2.
In this embodiment, in order to increase the service life, the following settings are made: the blocking ball 2 is made of magnetic steel.
In this embodiment, for improving the steadiness, set up as: the monofilament 1 is made of stainless steel.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
1. A continuous-conveying belt-pressing maintenance welding single-filament head comprises a conveying channel (7) positioned in the single-filament head (1), and is characterized by also comprising a magnetic blocking ball (2);
a blocking ball chamber (3) containing a blocking ball (2) is arranged on the side surface of the conveying channel (7), the blocking ball chamber (3) is positioned inside the single-thread head (1) and is communicated with the conveying channel (7), the blocking ball (2) moves into the conveying channel (7) from the blocking ball chamber (3) under the action of external magnetic force, and the blocking ball (2) is used for blocking the conveying channel (7);
an annular groove (4) is formed in the side face of the conveying channel (7), two ends of the annular groove (4) are connected with the blocking ball chamber (3), and the diameter of the blocking ball (2) is larger than that of the conveying channel (7);
the air outlet (5) of the conveying channel (7) is positioned above the annular groove (4), and the air inlet (6) of the conveying channel (7) is positioned below the annular groove (4);
the upper end of the annular groove (4) is flush with the upper end of the outlet of the blocking ball chamber (3);
the lower end of the annular groove (4) is higher than the lower end of an outlet of the blocking ball chamber (3);
the bottom of the plugging ball chamber (3) is provided with a groove (8), and the groove (8) is used for placing the plugging ball (2).
2. A non-stop belt press repair welding monofilament according to claim 1, characterized in that the maximum diameter of the annular groove (4) and the diameter of the plugging ball (2) are equal.
3. The non-stop belt-pressing repair welding monofilament head according to claim 1, characterized in that the outer side of the monofilament head (1) at the gas outlet (5) is provided with a pipe thread (9), and the end of the monofilament head (1) at the gas inlet (6) is welded with the outlet of a trunk pipeline.
4. The welding monofilament end for non-stop belt press repair according to claim 1, characterized in that the plugging ball (2) is made of magnetic steel.
5. The non-stop belt-pressing repair welding monofilament head according to claim 1, characterized in that the monofilament head (1) is made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110523805.4A CN113146114B (en) | 2021-05-13 | 2021-05-13 | Welding single-filament head for maintaining without stopping conveying and pressing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110523805.4A CN113146114B (en) | 2021-05-13 | 2021-05-13 | Welding single-filament head for maintaining without stopping conveying and pressing |
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| Publication Number | Publication Date |
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| CN113146114A CN113146114A (en) | 2021-07-23 |
| CN113146114B true CN113146114B (en) | 2023-01-24 |
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| CN202110523805.4A Active CN113146114B (en) | 2021-05-13 | 2021-05-13 | Welding single-filament head for maintaining without stopping conveying and pressing |
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Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| FR1438916A (en) * | 1965-07-06 | 1966-05-13 | Adolf Zimmermann Maschb Fa | Device for axial closure of the outlet end of the screw tube of a conveyor screw |
| BE893934A (en) * | 1982-07-26 | 1983-01-26 | Leuven Res & Dev | Safety valve for gas pipelines - has spring-operated ball valve which cuts off flow if pressure or temp. exceed threshold |
| CN206722792U (en) * | 2017-05-02 | 2017-12-08 | 赵丹隆 | A kind of producing well smooth rod break anti-blowout apparatus |
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2021
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1399088A (en) * | 2001-07-25 | 2003-02-26 | 辛伟芳 | Anti-explosion fuel gas safety device |
| CN101846195A (en) * | 2010-03-31 | 2010-09-29 | 普鲁卡姆电器（上海）有限公司 | Selectable double-gas intake device |
| KR20170084926A (en) * | 2016-01-13 | 2017-07-21 | 동아대학교 산학협력단 | Ball valve having releasing function of internal pressure |
| CN205559941U (en) * | 2016-04-29 | 2016-09-07 | 巢湖学院 | Gas pipeline earthquake safety device |
| CN210068056U (en) * | 2019-01-24 | 2020-02-14 | 中国石油天然气股份有限公司 | Blowout preventer and Christmas tree |
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| CN113146114A (en) | 2021-07-23 |
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