CN201810932U - Release type plugging device - Google Patents
Release type plugging device Download PDFInfo
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- CN201810932U CN201810932U CN2010201710768U CN201020171076U CN201810932U CN 201810932 U CN201810932 U CN 201810932U CN 2010201710768 U CN2010201710768 U CN 2010201710768U CN 201020171076 U CN201020171076 U CN 201020171076U CN 201810932 U CN201810932 U CN 201810932U
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Abstract
The utility model relates to the technical field of pipeline plugging device under pressure and relates to a release type plugging device which includes a connecting shell, a hydraulic cylinder, a connecting bar, a plug seat, the rotating shaft of a plug and the plug; the pipe cavity of the connecting shell is connected inside the connecting shell; the lower end of the connecting shell is provided with a sandwich valve capable of sealing the pipe cavity of the connecting shell through fixing flanges; the lower end of the connecting shell is provided with the fixing flanges and can be fixedly mounted on the maintenance holes of a pipeline through the sandwich valve; the upper end of the connecting shell is provided with the hydraulic cylinder; and the plug seat is arranged in the pipe cavity of the connecting shell and can move up and down. The release type plugging device has a reasonable and compact structure, is convenient to use, is additionally provided with a pressure relief device and a drainage channel communicating two sides of the plug, and drives a reel to twist a steel wire rope through a rocking handle to open the pressure relief device so as to finally balance the pressures at two sides of the plug. The release type plugging device has the characteristics of safety, power-saving property, convenience and high efficiency.
Description
One, technical field
The utility model relates to pipe pressurized blocking device technical field, is a kind of pressure-relief type plugging device.
Two, background technique
In the repairing of pipeline or when connecting, for the ease of quick organizing construction, often need immediately pipeline to be implemented shutoff, at present general normal employing pipeline machinery non-stop plugging technology is carried out shutoff to pipeline, because it has that feasibility is good, safety, economy, rapidly and efficiently, be usually used in jobs that requires special skills such as the maintenance of in-service pipeline and repairing.Pipeline machinery non-stop plugging, be exactly when pipe laying, install the shutoff threeway that has service hatch and sandwich valve in advance between two segment pipes, sandwich valve is installed in the outlet of service hatch, the sandwich valve of cutting out has sealed service hatch, makes pipeline can keep sealing proper functioning; When needs shutoff operation, on sandwich valve, install plugging device, be connected with a block head that can turn to by connecting rod on the plugging device, by connecting rod block head is sent to pipe interior from service hatch after opening sandwich valve, turn to behind the inwall of block head contact pipeline then, the inwall of block head after turning to by its anterior rubber cup and pipeline fits tightly and keeps sealing, and the inner chamber of pipeline blocks fully the most at last; When needs cancellation shutoff, only need block head to be mentioned withdrawal and make pipeline recover unimpeded by connecting rod, behind the last closed clip plate valve, can take off plugging device.But existing plugging device has the following disadvantages in actual use: equalizer must be installed on pipeline, make the fluid pressure balance at block head two ends by equalizer after, block head can be mentioned withdrawal, and the installation of equalizer whole system is comparatively wasted time and energy, the efficient of construction has been reduced, and can stay place's pipe nipple plug on pipeline, the possibility that causes pipeline leak source to occur increases.
Three, summary of the invention
The utility model provides a kind of pressure-relief type plugging device, must supporting installation equalizer, installation steps complexity when it has solved existing plugging device and uses, understand and stay the pipe nipple plug and have the problem of leaking hidden danger in pipeline.
The technical solution of the utility model realizes by following measure: a kind of pressure-relief type plugging device, comprise the connection housing, oil hydraulic cylinder, connecting rod, the plug seat, plug rotating shaft and block head, the housing of connection tube chamber is arranged in the inside that connects housing, the lower end that connects housing is equipped with by fastening flange and can seals up the sandwich valve that connects the housing tube chamber, the lower end that connects housing has fastening flange also can be fixedly mounted on the service hatch of pipeline by sandwich valve, the upper end that connects housing is equipped with oil hydraulic cylinder, the plug seat is installed in to connect in the housing tube chamber and also can moves up and down, the piston rod of oil hydraulic cylinder extend into to connect in the housing tube chamber and by the upper end of connecting rod with the plug seat and is connected, block head is hinged on the plug seat by the plug rotating shaft, the current by pass that can be communicated with the block head both sides is arranged on the block head, the pressure relief device that current by pass is communicated with is installed on the block head, connects that being equipped with on the housing links to each other with pressure relief device also can make the opening mechanism of its unlatching.
Be further optimization and/or improvements below to above-mentioned model utility technological scheme:
Above-mentioned pressure relief device can comprise pressure release sleeve pipe, taper plug, valve rod and pressure spring; The left end of current by pass is a cone shape hole left large and right small, the right-hand member of pressure release sleeve pipe is fixedly mounted on the block head and is corresponding with the position of cone shape hole, there is valve pocket the inside of pressure release sleeve pipe, have outside the right part of pressure release sleeve pipe to be no less than one the discharge orifice that valve pocket is connected with the pressure release jacket exterior, the left end of pressure release sleeve pipe has the valve rod hole that valve pocket is connected with the pressure release jacket exterior; The taper plug is positioned at valve pocket and energy move left and right, and the left end of taper plug is fixed with valve rod, and the right-hand member of taper plug has the outer conical surface that can match with cone shape hole, and the taper plug is sitting on the cone shape hole by outer conical surface and keeps sealing; Be set with pressure spring on the valve rod, the right-hand member of pressure spring holds out against on the left side of taper plug, the left end of pressure spring holds out against on the valve pocket left end inwall of pressure release sleeve pipe, and the left end of valve rod extend out to the pressure release jacket exterior by valve rod hole and is connected with opening mechanism.
Above-mentioned opening mechanism can comprise rocking handle, reel, wire rope and deflecting roller; Connect on the housing rocking handle is installed; the inner of rocking handle extend in the connection housing tube chamber and is installed with reel; steering shaft is arranged on the block head and deflecting roller is installed, an end of wire rope is fixed on the reel, and the other end of wire rope is walked around deflecting roller and is fixedly connected on the left end of valve rod.
The left end of above-mentioned valve rod can be fixed with baffle plate, is fixed with draw ring on the left surface of baffle plate, and the right-hand member of wire rope is fixed on the draw ring.
Above-mentioned block head can comprise pivoted arm, rear plate, front plate, shutoff leather cup, guiding trestle and upper saw pulley; One end of pivoted arm has the plug rotary shaft hole and is installed in the plug rotating shaft, the other end of pivoted arm is fixed with rear plate, front plate is installed on the rear plate by screw, be installed with the shutoff leather cup between rear plate and the front plate, the front side of front plate is fixed with guiding trestle, and the front end of guiding trestle is equipped with the upper saw pulley that can freely rotate; The current by pass that connects before and after having on rear plate, shutoff leather cup and the front plate, cone shape hole is positioned on the left surface of rear plate, and the right-hand member of pressure release sleeve pipe is fixedly mounted on the rear plate.
The utility model reasonable and compact in structure, easy to use, its current by pass by on block head, increasing pressure relief device and being communicated with the block head both sides, driving the reel lay winding wire ropes by rocking handle opens pressure relief device, finally make block head pressure at both sides balance, have safe, laborsaving, easy, characteristics of high efficiency.
Four, description of drawings
Accompanying drawing 1 is looked the sectional structure schematic representation for the master of the utility model most preferred embodiment.
Accompanying drawing 2 is the sectional structure schematic representation of the block head in the accompanying drawing 1.
Accompanying drawing 3 is the local structure for amplifying schematic representation at A place in the accompanying drawing 2.
Coding in the accompanying drawing is respectively: 1 for connecting housing, and 2 is oil hydraulic cylinder, and 3 is connecting rod, and 4 is the plug seat, 5 is the plug rotating shaft, and 6 is fastening flange, and 7 is sandwich valve, and 8 is the service hatch of pipeline, 9 for connecting the housing tube chamber, and 10 is current by pass, and 11 are the pressure release sleeve pipe, 12 are the taper plug, and 13 is valve rod, and 14 is pressure spring, 15 is cone shape hole, and 16 is valve pocket, and 17 is discharge orifice, 18 is valve rod hole, and 19 is outer conical surface, and 20 is rocking handle, 21 is reel, and 22 is wire rope, and 23 is deflecting roller, 24 is steering shaft, and 25 is baffle plate, and 26 is draw ring, 27 is pivoted arm, and 28 is rear plate, and 29 is front plate, 30 are the shutoff leather cup, and 31 is guiding trestle, and 32 is upper saw pulley.
Five, embodiment
The utility model is not subjected to following embodiment's restriction, can determine concrete mode of execution according to the technical solution of the utility model and actual conditions.
Below in conjunction with most preferred embodiment and accompanying drawing the utility model is further described:
As accompanying drawing 1, shown in 2, this pressure-relief type plugging device comprises connection housing 1, oil hydraulic cylinder 2, connecting rod 3, plug seat 4, plug rotating shaft 5 and block head, there is the housing of connection tube chamber 9 inside that connects housing 1, the lower end that connects housing 1 is equipped with by fastening flange 6 and can seals up the sandwich valve 7 that connects housing tube chamber 9, the upper end that connects housing 1 is equipped with oil hydraulic cylinder 2, plug seat 4 is installed in to connect in the housing tube chamber 9 and also can moves up and down, the piston rod of oil hydraulic cylinder 2 extend into to connect in the housing tube chamber 9 and by the upper end of connecting rod 3 with plug seat 4 and is connected, block head is hinged on the plug seat 4 by plug rotating shaft 5, the current by pass 10 that can be communicated with the block head both sides is arranged on the block head, the pressure relief device that current by pass 10 is communicated with is installed on the block head, connects that being equipped with on the housing 1 links to each other with pressure relief device also can make the opening mechanism of its unlatching.Can open pressure relief device by opening mechanism is communicated with current by pass 10, not needing to install original supporting equalizer just can make the pressure of block head both sides reach balance, thereby can smoothly block head be mentioned withdrawal, and, also reduce leakage hidden danger owing to do not change original pipeline.
Can according to actual needs above-mentioned pressure-relief type plugging device be made further optimization and/or improvements:
As shown in Figure 3, pressure relief device comprises pressure release sleeve pipe 11, taper plug 12, valve rod 13 and pressure spring 14; The left end of current by pass 10 is a cone shape hole 15 left large and right small, the right-hand member of pressure release sleeve pipe 11 is fixedly mounted on the block head and is corresponding with the position of cone shape hole 15, there is valve pocket 16 inside of pressure release sleeve pipe 11, have outside the right part of pressure release sleeve pipe 11 to be no less than one the discharge orifice 17 that valve pocket 16 is connected with pressure release sleeve pipe 11 outsides, the left end of pressure release sleeve pipe 11 has the valve rod hole 18 that valve pocket 16 is connected with pressure release sleeve pipe 11 outsides; Taper plug 12 is positioned at valve pocket 16 and energy move left and right, the left end of taper plug 12 is fixed with valve rod 13, the right-hand member of taper plug 12 has the outer conical surface 19 that can match with cone shape hole 15, and taper plug 12 is sitting on the cone shape hole 15 by outer conical surface 19 and keeps sealing; Be set with pressure spring 14 on the valve rod 13, the right-hand member of pressure spring 14 holds out against on the left side of taper plug 12, the left end of pressure spring 14 holds out against on the valve pocket 16 left end inwalls of pressure release sleeve pipe 11, and the left end of valve rod 13 extend out to pressure release sleeve pipe 11 outsides by valve rod hole 18 and is connected with opening mechanism.Can hold out against at the right-hand member that makes taper plug 12 at ordinary times by pressure spring 14 current by pass 10 is blocked, to guarantee the favorable sealing property of block head; When the needs pressure release, making valve rod 13 drive taper plug 12 by opening mechanism moves to left, the right-hand member of taper plug 12 leaves cone shape hole 15 and cone shape hole 15 is opened, and current by pass 10 and discharge orifice 17 are connected, and the pressure in block head left side can keep balance with the block head right side.When unclamping opening mechanism, taper plug 12 can reset under the effect of pressure spring 14, once more current by pass 10 is blocked.
As shown in Figure 1, opening mechanism comprises rocking handle 20, reel 21, wire rope 22 and deflecting roller 23; Connect on the housing 1 rocking handle 20 is installed; the inner of rocking handle 20 extend in the connection housing tube chamber 9 and is installed with reel 21; steering shaft 24 is arranged on the block head and deflecting roller 23 is installed; an end of wire rope 22 is fixed on the reel 21, the other end of wire rope 22 is walked around deflecting roller 23 and is fixedly connected on the left end of valve rod 13.Can change the direction of wire rope 22 by deflecting roller 23,, wire rope 22 is wrapped on the reel 21, drive taper plug 12 and be moved to the left and open pressure relief device by rotation crank 20.
As shown in Figure 3, the left end of valve rod 13 is fixed with baffle plate 25, is fixed with draw ring 26 on the left surface of baffle plate 25, and the right-hand member of wire rope 22 is fixed on the draw ring 26.Baffle plate 25 can prevent that valve rod 13 from entering valve pocket 16 inside fully under the effect of pressure spring 14, and baffle plate 25 can be convenient to fixed pull ring 26 simultaneously.
As shown in Figure 2, block head comprises pivoted arm 27, rear plate 28, front plate 29, shutoff leather cup 30, guiding trestle 31 and upper saw pulley 32; One end of pivoted arm 27 has the plug rotary shaft hole and is installed in the plug rotating shaft 5, the other end of pivoted arm 27 is fixed with rear plate 28, front plate 29 is installed on the rear plate 28 by screw, be installed with shutoff leather cup 30 between rear plate 28 and the front plate 29, the front side of front plate 29 is fixed with guiding trestle 31, and the front end of guiding trestle 31 is equipped with the upper saw pulley 32 that can freely rotate; The current by pass 10 that connects before and after having on rear plate 28, shutoff leather cup 30 and the front plate 29, cone shape hole 15 is positioned on the left surface of rear plate 28, and the right-hand member of pressure release sleeve pipe 11 is fixedly mounted on the rear plate 28.By at the front side of front plate 29 stator wheel 32, can be convenient to block head around plug rotating shaft 5 rotations, with smooth arrival working position.
Above technical characteristics has constituted most preferred embodiment of the present utility model, and it has stronger adaptability and best implementation result, can increase and decrease non-essential technical characteristics according to actual needs, satisfies the demand of different situations.
Claims (9)
1. pressure-relief type plugging device, it is characterized in that comprising the connection housing, oil hydraulic cylinder, connecting rod, the plug seat, plug rotating shaft and block head, the housing of connection tube chamber is arranged in the inside that connects housing, the lower end that connects housing is equipped with by fastening flange and can seals up the sandwich valve that connects the housing tube chamber, the lower end that connects housing has fastening flange also can be fixedly mounted on the service hatch of pipeline by sandwich valve, the upper end that connects housing is equipped with oil hydraulic cylinder, the plug seat is installed in to connect in the housing tube chamber and also can moves up and down, the piston rod of oil hydraulic cylinder extend into to connect in the housing tube chamber and by the upper end of connecting rod with the plug seat and is connected, block head is hinged on the plug seat by the plug rotating shaft, the current by pass that can be communicated with the block head both sides is arranged on the block head, the pressure relief device that current by pass is communicated with is installed on the block head, connects that being equipped with on the housing links to each other with pressure relief device also can make the opening mechanism of its unlatching.
2. pressure-relief type plugging device according to claim 1 is characterized in that pressure relief device comprises pressure release sleeve pipe, taper plug, valve rod and pressure spring; The left end of current by pass is a cone shape hole left large and right small, the right-hand member of pressure release sleeve pipe is fixedly mounted on the block head and is corresponding with the position of cone shape hole, there is valve pocket the inside of pressure release sleeve pipe, have outside the right part of pressure release sleeve pipe to be no less than one the discharge orifice that valve pocket is connected with the pressure release jacket exterior, the left end of pressure release sleeve pipe has the valve rod hole that valve pocket is connected with the pressure release jacket exterior; The taper plug is positioned at valve pocket and energy move left and right, and the left end of taper plug is fixed with valve rod, and the right-hand member of taper plug has the outer conical surface that can match with cone shape hole, and the taper plug is sitting on the cone shape hole by outer conical surface and keeps sealing; Be set with pressure spring on the valve rod, the right-hand member of pressure spring holds out against on the left side of taper plug, the left end of pressure spring holds out against on the valve pocket left end inwall of pressure release sleeve pipe, and the left end of valve rod extend out to the pressure release jacket exterior by valve rod hole and is connected with opening mechanism.
3. pressure-relief type plugging device according to claim 1 and 2 is characterized in that opening mechanism comprises rocking handle, reel, wire rope and deflecting roller; Connect on the housing rocking handle is installed; the inner of rocking handle extend in the connection housing tube chamber and is installed with reel; steering shaft is arranged on the block head and deflecting roller is installed, an end of wire rope is fixed on the reel, and the other end of wire rope is walked around deflecting roller and is fixedly connected on the left end of valve rod.
4. pressure-relief type plugging device according to claim 2 is characterized in that the left end of valve rod is fixed with baffle plate, is fixed with draw ring on the left surface of baffle plate, and the right-hand member of wire rope is fixed on the draw ring.
5. pressure-relief type plugging device according to claim 3 is characterized in that the left end of valve rod is fixed with baffle plate, is fixed with draw ring on the left surface of baffle plate, and the right-hand member of wire rope is fixed on the draw ring.
6. pressure-relief type plugging device according to claim 1 and 2 is characterized in that block head comprises pivoted arm, rear plate, front plate, shutoff leather cup, guiding trestle and upper saw pulley; One end of pivoted arm has the plug rotary shaft hole and is installed in the plug rotating shaft, the other end of pivoted arm is fixed with rear plate, front plate is installed on the rear plate by screw, be installed with the shutoff leather cup between rear plate and the front plate, the front side of front plate is fixed with guiding trestle, and the front end of guiding trestle is equipped with the upper saw pulley that can freely rotate; The current by pass that connects before and after having on rear plate, shutoff leather cup and the front plate, cone shape hole is positioned on the left surface of rear plate, and the right-hand member of pressure release sleeve pipe is fixedly mounted on the rear plate.
7. pressure-relief type plugging device according to claim 3 is characterized in that block head comprises pivoted arm, rear plate, front plate, shutoff leather cup, guiding trestle and upper saw pulley; One end of pivoted arm has the plug rotary shaft hole and is installed in the plug rotating shaft, the other end of pivoted arm is fixed with rear plate, front plate is installed on the rear plate by screw, be installed with the shutoff leather cup between rear plate and the front plate, the front side of front plate is fixed with guiding trestle, and the front end of guiding trestle is equipped with the upper saw pulley that can freely rotate; The current by pass that connects before and after having on rear plate, shutoff leather cup and the front plate, cone shape hole is positioned on the left surface of rear plate, and the right-hand member of pressure release sleeve pipe is fixedly mounted on the rear plate.
8. pressure-relief type plugging device according to claim 4 is characterized in that block head comprises pivoted arm, rear plate, front plate, shutoff leather cup, guiding trestle and upper saw pulley; One end of pivoted arm has the plug rotary shaft hole and is installed in the plug rotating shaft, the other end of pivoted arm is fixed with rear plate, front plate is installed on the rear plate by screw, be installed with the shutoff leather cup between rear plate and the front plate, the front side of front plate is fixed with guiding trestle, and the front end of guiding trestle is equipped with the upper saw pulley that can freely rotate; The current by pass that connects before and after having on rear plate, shutoff leather cup and the front plate, cone shape hole is positioned on the left surface of rear plate, and the right-hand member of pressure release sleeve pipe is fixedly mounted on the rear plate.
9. pressure-relief type plugging device according to claim 5 is characterized in that block head comprises pivoted arm, rear plate, front plate, shutoff leather cup, guiding trestle and upper saw pulley; One end of pivoted arm has the plug rotary shaft hole and is installed in the plug rotating shaft, the other end of pivoted arm is fixed with rear plate, front plate is installed on the rear plate by screw, be installed with the shutoff leather cup between rear plate and the front plate, the front side of front plate is fixed with guiding trestle, and the front end of guiding trestle is equipped with the upper saw pulley that can freely rotate; The current by pass that connects before and after having on rear plate, shutoff leather cup and the front plate, cone shape hole is positioned on the left surface of rear plate, and the right-hand member of pressure release sleeve pipe is fixedly mounted on the rear plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201710768U CN201810932U (en) | 2010-04-27 | 2010-04-27 | Release type plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201710768U CN201810932U (en) | 2010-04-27 | 2010-04-27 | Release type plugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201810932U true CN201810932U (en) | 2011-04-27 |
Family
ID=43893873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201710768U Expired - Fee Related CN201810932U (en) | 2010-04-27 | 2010-04-27 | Release type plugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201810932U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108061216A (en) * | 2018-02-06 | 2018-05-22 | 钦州学院 | Plugging pipelines instrument with pressure relief |
| CN110700788A (en) * | 2019-09-29 | 2020-01-17 | 魏海虎 | Broken water pipe reinforcing device |
| CN112372250A (en) * | 2020-11-16 | 2021-02-19 | 广东理标信息科技有限公司 | Processing method of strong magnetic plugging device |
-
2010
- 2010-04-27 CN CN2010201710768U patent/CN201810932U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108061216A (en) * | 2018-02-06 | 2018-05-22 | 钦州学院 | Plugging pipelines instrument with pressure relief |
| CN108061216B (en) * | 2018-02-06 | 2023-09-01 | 钦州学院 | Pipeline plugging tool with pressure relief structure |
| CN110700788A (en) * | 2019-09-29 | 2020-01-17 | 魏海虎 | Broken water pipe reinforcing device |
| CN112372250A (en) * | 2020-11-16 | 2021-02-19 | 广东理标信息科技有限公司 | Processing method of strong magnetic plugging device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110427 Termination date: 20130427 |