CN204239973U - A kind of pipeline with pressure leak stopping fix tool - Google Patents
A kind of pipeline with pressure leak stopping fix tool Download PDFInfo
- Publication number
- CN204239973U CN204239973U CN201420674340.8U CN201420674340U CN204239973U CN 204239973 U CN204239973 U CN 204239973U CN 201420674340 U CN201420674340 U CN 201420674340U CN 204239973 U CN204239973 U CN 204239973U
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- leak stopping
- inner cover
- pipeline
- groove
- positioning box
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Abstract
The utility model provides a kind of pipeline with pressure leak stopping fix tool, it solves the pipe problems that existing oil and gas pipeline capping tools with pressure can only be used for a kind of caliber.This pipeline with pressure leak stopping fix tool comprises inner cover and is fixed on the outer cover outside inner cover, leak stopping part is provided with in inner cover, seal ring one is provided with between leak stopping part and inner cover, seal ring two is provided with between inner cover and outer cover, fix tool also comprises steel cable, wire rope fixed end is connected mutually with outer cover side, outer cover opposite side has positioning box, positioning box top has attachment hole one and has attachment hole two bottom this positioning box, wire rope movable end is successively through attachment hole two and attachment hole one, laterally a screw rod is provided with in positioning box, positioning box is stretched out and this screw rod outer end and positioning box sidewall bolt in screw rod outer end, screw rod the inner is connected with pressing plate, wire rope movable end both sides offset with pressing plate and positioning box sidewall respectively.This pipeline with pressure leak stopping fix tool has the effective advantage of the wide and leak stopping of applicability.
Description
Technical field
The utility model belongs to and relates to a kind of oil and gas pipeline service equipment, particularly a kind of pipeline with pressure leak stopping fix tool.
Background technique
Along with the rise of international oil price, under the ordering about of huge interests, the theft incidence rate of oil and gas pipeline is more and more higher, and cause huge economic loss to country and oil enterprise, the oil gas of leakage not only pollutes environment, wastes a large amount of resources.The repairing method of the oil and gas pipeline of prior art adopts the method for leak stopping mostly, and the leakage point pressure of oil and gas pipeline is comparatively large, and operation implements certain difficulty, lower by the mode reliability of hydraulic pressure leak stopping.
For this situation, people have recognized this deficiency, and carry out improvement, as the one oil and gas pipeline capping tools [application number: 201420015758.8 with pressure that Chinese patent literature data openly proposes; Authorization Notice No.: CN 203641767 U], comprise pipe, elasticity plugging sheet, shutoff outer tube, outer plugging sheet, main valve in oil and gas pipeline, inner cover with pressure, outer tube with pressure, drainage tube, drain valve, relief tube, Decompression valves, shutoff, interior pipe screws handwheel and outer tube screws handwheel; Described oil and gas pipeline there is leakage point, described inner cover cover cap with pressure is on the leakage point of described oil and gas pipeline, the outer wall of described inner cover with pressure is provided with outside thread, the inwall of described outer tube with pressure is provided with internal thread, described outside thread and described internal thread suitable, described inner cover with pressure and described outer tube with pressure seal and spin; The upper end of described inner cover with pressure is that pinnacle shape is closed, the side, top of described inner cover with pressure is provided with draining hole, the top opposite side of described inner cover with pressure is provided with pressure relief opening, one end and the described draining hole of described drainage tube are tightly connected, described drain valve is sealedly connected on the other end of described drainage tube, one end and the described pressure relief opening of described relief tube are tightly connected, and described Decompression valves is sealedly connected on the other end of described relief tube; The center of top of described inner cover with pressure is provided with through hole, described shutoff outer tube is inserted in the through hole of described inner cover with pressure, in described shutoff, pipe is inserted in described shutoff outer tube, described elasticity plugging sheet is bowl structure, described elasticity plugging sheet is arranged on the bottom of pipe in described shutoff, described elasticity plugging sheet is inserted in oil and gas pipeline by pipe in described shutoff, and described elasticity plugging sheet is close to described leakage point; Described outer plugging sheet is arranged on the bottom of described shutoff outer tube, be positioned at the top of described oil and gas pipeline, described outer plugging sheet is close to described leakage point, in described shutoff, the upper end of pipe screws handwheel by the interior pipe described in the connection of described main valve, and the upper end of described shutoff outer tube screws handwheel by the outer tube described in the connection of described main valve.
In above-mentioned oil and gas pipeline capping tools with pressure, outer tube with pressure is connected with oil and gas pipeline mutually by the winding of fastening chain, and the two ends of fastening chain are flexibly connected with described outer pipe bottom with pressure.But how above-mentioned oil and gas pipeline capping tools with pressure is specifically connected with outer tube with pressure if not disclosing fastening chain.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, proposes that a kind of applicability is wide, the effective pipeline with pressure leak stopping fix tool of leak stopping.
The purpose of this utility model realizes by following technical proposal: a kind of pipeline with pressure leak stopping fix tool, comprise inner cover, outer cover is arranged with and this outer cover and described inner cover bolt outside described inner cover, described inner cover both sides have drainage tool and pressure relief tool respectively, the leak stopping part for seal leakage mouth is provided with in described inner cover, described leak stopping part upper end is stretched out inner cover and is connected with jack, it is characterized in that, be provided with between described leak stopping part and described inner cover and make both be connected the seal ring one sealed, seal ring two is provided with between described inner cover and outer cover, described fix tool also comprises steel cable, described wire rope fixed end is connected mutually with described outer cover side, described outer cover opposite side has the positioning box be square, described positioning box top has attachment hole one and has attachment hole two bottom this positioning box, and described attachment hole one and attachment hole two position face and all communicate with described positioning box inner chamber, described wire rope movable end is successively through attachment hole two and attachment hole one, laterally a screw rod is provided with in described positioning box, positioning box is stretched out and away from the sidewall bolt of outer cover on this screw rod outer end and positioning box in described screw rod outer end, described screw rod the inner is connected with the pressing plate vertically arranged, described wire rope movable end both sides offset with sidewall relative with this pressing plate on pressing plate and positioning box respectively.
During use, inner cover be placed on leakage hole both sides thus make leakage hole be positioned at inner cover, leak stopping part offsets with leakage mouth and will reveal mouth and seals.Then wire rope movable end also passes attachment hole two and attachment hole one according to this on pipeline, then rotating screw bolt makes screw rod the inner move to outer cover direction, in moving process, pressing plate can offset with wire rope and drive wire rope to move toward outer cover direction, finally make wire rope both sides offset with pressing plate and positioning box madial wall respectively wire rope located, thus this instrument can be stablized be connected with pipeline.
By said structure, wire rope movable end is removably positioned in positioning box and the bending radius of this wire rope can adjust according to the external diameter of pipeline, there is the advantage that applicability is wide; Meanwhile, between leak stopping part and inner cover, be provided with seal ring one and between inner cover and outer cover, be provided with seal ring two, making leak stopping part and inner cover and the connection between inner cover and outer cover keep sealing, thus strengthening the effect of this instrument leak stopping further.
In above-mentioned pipeline with pressure leak stopping fix tool, sidewall relative with pressing plate on described positioning box has groove, and described pressing plate is plugged in groove, and described wire rope both sides offset with described pressing plate and groove bottom wall respectively.
Wire rope movable end part is positioned at groove and offsets with pressing plate and groove bottom wall respectively, enhance wire rope movable end and the stability be connected between positioning box, thus this instrument can be stablized be connected with pipeline, then strengthen the effect of this instrument leak stopping further.
In above-mentioned pipeline with pressure leak stopping fix tool, described pressing plate is cylindric, and described groove comprises the sidewall that a diapire and is cylndrical surface, and the external diameter of described pressing plate and the groove width of described groove match.
Namely pressing plate external diameter is slightly less than groove groove width, reduce the gap when pressing plate is inserted in groove between recess sidewall and pressing plate outer side wall, make the connection between pressing plate and groove more stable, firm, thus this instrument can be stablized be connected with pipeline, then strengthen the effect of this instrument leak stopping further.
In above-mentioned pipeline with pressure leak stopping fix tool, described outer cover madial wall has draw-in groove one in the form of a ring, and described seal ring two is positioned at described draw-in groove one and the inner peripheral surface of sealing circle two and described inner cover outer side wall offset.
Position by arranging draw-in groove a pair seal ring two, in avoiding inner cover and covering on the process that is spirally connected outward there is displacement in seal ring two, affect the sealing connected between inner cover and outer cover, thus the effect of this instrument of enhancing leak stopping further.
In above-mentioned pipeline with pressure leak stopping fix tool, the quantity of described draw-in groove one has 2 and along outer cover distribution of lengths, the quantity of described seal ring two also has 2 and is separately positioned in corresponding draw-in groove one.
By arranging 2 seal rings, make the connection between inner cover and outer cover have better sealing, thus strengthen the effect of this instrument leak stopping further.
In above-mentioned pipeline with pressure leak stopping fix tool, described inner cover top has positioning port, described leak stopping part is connecting rod, described connecting rod is located in positioning port and this connecting rod is connected mutually by drive fit and described positioning port, described connecting rod lower end is connected with plugging sheet, described small end outer rim is provided with limiting stopper in the form of a ring, and the madial wall that described limiting stopper and described inner cover are positioned at positioning port bead place offsets.
During installation, being first resisted against by plugging sheet on pipeline and will revealing mouth sealing, then inner cover to be set in connecting rod location on connecting rod by positioning port, covers in the process moved down when interior, understand and limiting stopper offset to inner cover move down carry out spacing.When this tool work, under the effect of manifold pressure, connecting rod has the trend moved upward, but under the acting in conjunction of limiting stopper and jack, plugging sheet is offseted with pipeline firmly sealed mouth sealed, thus strengthen the effect of this instrument leak stopping further.
In above-mentioned pipeline with pressure leak stopping fix tool, described small end outer rim has draw-in groove two in the form of a ring, described seal ring one is positioned at described draw-in groove two and the inner peripheral surface of sealing circle one and described positioning port madial wall offset.
Positioning by arranging draw-in groove two pairs of seal rings one, avoiding connecting rod and interior covering in the process of connection to be subjected to displacement, affecting the sealing connected between inner cover and connecting rod, thus strengthen the effect of this instrument leak stopping further.
In above-mentioned pipeline with pressure leak stopping fix tool, screw rod outer end has the handshake part of protrusion.By arranging handshake part, facilitate the rotation of screw rod.
Compared with prior art, this pipeline with pressure leak stopping fix tool has the following advantages:
1, wire rope movable end to be removably positioned in positioning box and the bending radius of this wire rope can adjust according to the external diameter of pipeline, has the advantage that applicability is wide.
2, between leak stopping part and inner cover, be provided with seal ring one and between inner cover and outer cover, be provided with seal ring two, making leak stopping part and inner cover and the connection between inner cover and outer cover keep sealing, thus strengthening the effect of this instrument leak stopping further.
3, by arranging groove and pressing plate external diameter is slightly less than groove groove width, make the connection between pressing plate and groove more stable, firm, thus this instrument can be stablized be connected with pipeline, then strengthen the effect of this instrument leak stopping further.
4, when this tool work, under the effect of manifold pressure, connecting rod has the trend moved upward, but under the acting in conjunction of limiting stopper and jack, plugging sheet is offseted with pipeline firmly sealed mouth sealed, thus strengthen the effect of this instrument leak stopping further.
Accompanying drawing explanation
Fig. 1 is the structural representation of this pipeline with pressure leak stopping fix tool.
Fig. 2 is the structure for amplifying schematic diagram at A place in Fig. 1.
Fig. 3 is the structure for amplifying schematic diagram at B place in Fig. 1.
In figure, 1, inner cover; 2, outer cover; 3, jack; 4, wire rope; 4a, fixed end; 4b, movable end; 5, seal ring two; 6, connecting rod; 6a, briquetting; 6b, limiting stopper; 7, plugging sheet; 8, pipeline; 8a, leakage hole; 9, seal ring one; 10, drainage tube; 11, drain valve; 12, relief tube; 13, Decompression valves; 14, positioning box; 14a, attachment hole one; 14b, attachment hole two; 15, pressing plate; 16, screw rod; 16a, handshake part.
Embodiment
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1, this pipeline with pressure leak stopping fix tool is made up of inner cover 1, outer cover 2, leak stopping part, drainage tool, pressure relief tool and jack 3, wire rope 4 etc.
Wherein, inner cover 1 and outer cover 2 are all in tubular, and wherein, outer cover about 2 two ends are an opening end.Outer cover 2 is set on inner cover 1, and in the present embodiment, outer cover 2 has internal thread, and inner cover 1 has outside thread, and outer cover 2 is fixed together by internal thread and externally threaded engagement and inner cover 1.As described in Figure 1, the shape of inner cover 1 lower end and outer cover 2 lower end all with the mating shapes of the outer side wall of pipeline 8, make inner cover 1 and outer cover 2 is stable is arranged on pipeline 8 outer side wall.
Outer cover 2 madial wall has draw-in groove one in the form of a ring, be provided with seal ring 25 in this draw-in groove one and the inner peripheral surface of sealing circle 25 and inner cover 1 outer side wall offset, thus increase the sealing connected between outer cover 2 and inner cover 1.Further optimization, the quantity of draw-in groove one has 2 and uniform along outer cover 2 axial length, and the quantity of seal ring 25 also has 2 and is separately positioned in corresponding draw-in groove one, thus strengthens the sealing connected between outer cover 2 and inner cover 1 further.
Leak stopping part is positioned at inner cover 1, and inner cover 1 upper end has positioning port and in the present embodiment, positioning port is inner cover 1 upper end port.Leak stopping part upper end is passed positioning port and is connected mutually with jack 3.
Specifically, leak stopping part is a connecting rod 6, connecting rod 6 lower end surface has the briquetting 6a of protrusion, is fixed with the plugging sheet 7 that shape and pipeline 8 outer rim match bottom briquetting 6a, and operationally, plugging sheet 7 and pipeline 8 outer side wall offset and to be sealed by the leakage hole 8a on pipeline 8.Connecting rod 6 upper end is through positioning port being connected with jack 3, thus under the effect of jack 3, plugging sheet 7 can with tight abutment inside pipeline 8 thus the further sealing effect strengthening leakage hole 8a.As shown in Figure 3, connecting rod 6 upper end outer rim has draw-in groove two in the form of a ring, be provided with seal ring 1 in draw-in groove two and the inner peripheral surface of sealing circle 1 and positioning port madial wall offset.
Further optimization, connecting rod 6 upper end outer rim has protrusion and limiting stopper 6b in the form of a ring, and the madial wall that this limiting stopper 6b and inner cover 1 are positioned at positioning port bead place offsets.When this tool work, under the effect of pipeline 8 internal pressure, connecting rod 6 has the trend moved upward, but under the acting in conjunction of limiting stopper 6b and jack 3, plugging sheet 7 is offseted with pipeline 8 firmly leakage hole 8a sealed, thus strengthen the effect of this instrument leak stopping further.
Drainage tool comprises drainage tube 10 and drain valve 11, and wherein, drainage tube 10 one end is connected to inner cover 1 upper end, and wherein side and this drainage tube 10 communicate with inner cover 1 inner chamber, for leaking the drainage of crude oil.Drainage tube 10 the other end passes outer cover 2 and is connected mutually with drain valve 11; Pressure relief tool comprises relief tube 12 and Decompression valves 13, and wherein, relief tube 12 one end is connected to inner cover 1 upper end opposite side and this relief tube 12 communicates with inner cover 1 inner chamber, for reducing the pressure of inner cover 1 inside.Relief tube 12 the other end passes outer cover 2 and is connected mutually with Decompression valves 13.In the present embodiment, relief tube 12 and drainage tube 10 are all integral type structure with inner cover 1, the sealing that both increases connect.
Wire rope 4 two ends are respectively fixed end 4a and movable end 4b, and wherein, wire rope 4 fixed end 4a is wherein fixedly connected with side with outer cover 2.As shown in Figure 2, outer cover 2 opposite side has the positioning box 14 be square, and in the present embodiment, positioning box 14 is connected with outer cover 2 mutually by the mode of welding.Positioning box 14 has inner chamber, and this positioning box 14 top has attachment hole one 14a and bottom has attachment hole two 14b, and attachment hole one 14a and attachment hole two 14b position face and all communicate with positioning box 14 inner chamber.
Laterally be provided with a pressing plate 15 in positioning box 14 and be vertically provided with a screw rod 16 and pressing plate 15 is connected mutually with screw rod 16 the inner.Screw rod 16 outer end stretch out positioning box 14 and with positioning box 14 sidewall bolt.Screw rod 16 outer end has the handshake part 16a of protrusion, facilitates the rotation of screw rod 16.Further optimization, sidewall relative with pressing plate 15 on positioning box 14 has groove and pressing plate 15 can be plugged in groove.Wherein, groove comprises the sidewall that a diapire and is cylndrical surface, and the external diameter of pressing plate 15 and the groove width of groove match.
When this pipeline with pressure leak stopping fix tool uses, first plugging sheet 7 is resisted against on pipeline 8 and also will reveals mouth sealing, then inner cover 1 is set on connecting rod 6 by positioning port and is located by connecting rod 6, when inner cover 1 is in the process moved down, can and limiting stopper 6b offset to inner cover 1 move down carry out spacing.Then outer cover 2 is sheathed and be fixed on inner cover 1, wire rope 4 movable end 4b also passes attachment hole two 14b and attachment hole one 14a according to this on pipeline 8, then rotating screw bolt 16 makes screw rod 16 the inner move to outer cover 2 direction, in moving process, pressing plate 15 can offset with wire rope 4 and drive wire rope 4 to be inserted in groove, finally make wire rope 4 both sides offset with pressing plate 15 and groove bottom wall respectively wire rope 4 located, thus this instrument can be stablized be connected with pipeline 8.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (8)
1. a pipeline with pressure leak stopping fix tool, comprise inner cover, outer cover is arranged with and this outer cover and described inner cover bolt outside described inner cover, described inner cover both sides have drainage system and pressure relief device respectively, the leak stopping part for seal leakage mouth is provided with in described inner cover, described leak stopping part upper end is stretched out inner cover and is connected with jack, it is characterized in that, be provided with between described leak stopping part and described inner cover and make both be connected the seal ring one sealed, seal ring two is provided with between described inner cover and outer cover, described fix tool also comprises steel cable, described wire rope fixed end is connected mutually with described outer cover side, described outer cover opposite side has the positioning box be square, described positioning box top has attachment hole one and has attachment hole two bottom this positioning box, and described attachment hole one and attachment hole two position face and all communicate with described positioning box inner chamber, described wire rope movable end is successively through attachment hole two and attachment hole one, laterally a screw rod is provided with in described positioning box, positioning box is stretched out and away from the sidewall bolt of outer cover on this screw rod outer end and positioning box in described screw rod outer end, described screw rod the inner is connected with the pressing plate vertically arranged, described wire rope movable end both sides offset with sidewall relative with this pressing plate on pressing plate and positioning box respectively.
2. pipeline with pressure leak stopping fix tool according to claim 1, it is characterized in that, sidewall relative with pressing plate on described positioning box has groove, and described pressing plate is plugged in groove, and described wire rope both sides offset with described pressing plate and groove bottom wall respectively.
3. pipeline with pressure leak stopping fix tool according to claim 2, it is characterized in that, described pressing plate is cylindric, and described groove comprises the sidewall that a diapire and is cylndrical surface, and the external diameter of described pressing plate and the groove width of described groove match.
4. pipeline with pressure leak stopping fix tool according to claim 1, it is characterized in that, described outer cover madial wall has draw-in groove one in the form of a ring, and described seal ring two is positioned at described draw-in groove one and the inner peripheral surface of sealing circle two and described inner cover outer side wall offset.
5. pipeline with pressure leak stopping fix tool according to claim 4, is characterized in that, the quantity of described draw-in groove one has 2 and along outer cover distribution of lengths, the quantity of described seal ring two also has 2 and is separately positioned in corresponding draw-in groove one.
6. pipeline with pressure leak stopping fix tool according to claim 1, it is characterized in that, described inner cover top has positioning port, described leak stopping part is connecting rod, described connecting rod is located in positioning port and this connecting rod is connected mutually by drive fit and described positioning port, described connecting rod lower end is connected with plugging sheet, and described small end outer rim is provided with limiting stopper in the form of a ring, and the madial wall that described limiting stopper and described inner cover are positioned at positioning port bead place offsets.
7. pipeline with pressure leak stopping fix tool according to claim 6, it is characterized in that, described small end outer rim has draw-in groove two in the form of a ring, described seal ring one is positioned at described draw-in groove two and the inner peripheral surface of sealing circle one and described positioning port madial wall offset.
8. pipeline with pressure leak stopping fix tool according to claim 1, it is characterized in that, screw rod outer end has the handshake part of protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420674340.8U CN204239973U (en) | 2014-11-12 | 2014-11-12 | A kind of pipeline with pressure leak stopping fix tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420674340.8U CN204239973U (en) | 2014-11-12 | 2014-11-12 | A kind of pipeline with pressure leak stopping fix tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204239973U true CN204239973U (en) | 2015-04-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420674340.8U Expired - Fee Related CN204239973U (en) | 2014-11-12 | 2014-11-12 | A kind of pipeline with pressure leak stopping fix tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204239973U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108458201A (en) * | 2018-04-17 | 2018-08-28 | 中煤平朔集团有限公司 | A kind of pipe pressurized rapid plugging device |
| CN111306398A (en) * | 2020-04-16 | 2020-06-19 | 刘洋 | Water conservancy pipeline patching device convenient to installation |
-
2014
- 2014-11-12 CN CN201420674340.8U patent/CN204239973U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108458201A (en) * | 2018-04-17 | 2018-08-28 | 中煤平朔集团有限公司 | A kind of pipe pressurized rapid plugging device |
| CN108458201B (en) * | 2018-04-17 | 2023-08-18 | 中煤平朔集团有限公司 | Quick plugging device is pressed in pipeline area |
| CN111306398A (en) * | 2020-04-16 | 2020-06-19 | 刘洋 | Water conservancy pipeline patching device convenient to installation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150401 Termination date: 20151112 |
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| EXPY | Termination of patent right or utility model |