CN1221522A - Method and assemble for cleaning and/or insertion of draw line in conduit - Google Patents
Method and assemble for cleaning and/or insertion of draw line in conduit Download PDFInfo
- Publication number
- CN1221522A CN1221522A CN97195217A CN97195217A CN1221522A CN 1221522 A CN1221522 A CN 1221522A CN 97195217 A CN97195217 A CN 97195217A CN 97195217 A CN97195217 A CN 97195217A CN 1221522 A CN1221522 A CN 1221522A
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- Prior art keywords
- pipeline
- water
- tight equipment
- stay cord
- air
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
- H02G1/08—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle through tubing or conduit, e.g. rod or draw wire for pushing or pulling
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
- H02G1/08—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle through tubing or conduit, e.g. rod or draw wire for pushing or pulling
- H02G1/086—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle through tubing or conduit, e.g. rod or draw wire for pushing or pulling using fluid as pulling means, e.g. liquid, pressurised gas or suction means
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- Pipe Accessories (AREA)
- Electric Cable Installation (AREA)
- Cleaning In General (AREA)
- Toys (AREA)
- Portable Nailing Machines And Staplers (AREA)
Abstract
An assembly (1) for air-assisted insertion of a draw line (6a) inside and along a conduit (2) from an entry end of said conduit to an exit end; the assembly comprising a source of pressurized air (8); an apparatus (4) for sealing an end (16) of said conduit (2) through or about said sealing apparatus (4), a through passage in or beside sealing apparatus which receives a draw line (6a) such that when said sealing apparatus (4) engages the entry end (16) of said conduit, the draw line is capable of entering the apparatus (4) inside the conduit, a shuttle (6, 23) connected to a leading end of the draw line (6a) responsive to delivery of air from said pressurized air source (8) and which urges the draw line (6a) along the conduit (2) until it exits the conduit (2) via said exit end.
Description
The present invention relates to a kind of can pipe blow-through the inside and/or stay cord inserted method and apparatus in the segment pipe, also relate to the convenience of a kind of closed conduit end and effective method, be used to promote the described insertion of described stay cord, the leading end of stay cord is to send piping with an air boosting shuttle that is connected in described leading end.
Nowadays, communication cable is laid in the cable trough of underground special construction usually.In order to protect cable to avoid may damaging of water, rubble and insect, generally in plastics (normally polyvinylchloride) pipeline, lay communication cable.The above-mentioned cable laying of existing thousands of kilometers is in underground piping, but because the developing rapidly and need more cable, the following cable that can need the hundreds of thousands kilometer of imagination of telecommunications industry.
Mounted pipeline has three classes usually: prepare to wait for receive the vacant pipeline of new cable, the pipeline that had partly taken already and fill the pipeline of cable fully.The present invention relates generally to the above-mentioned first kind and the second class pipeline.Time-consuming the taking a lot of work of process of cable insertion pipeline, thus expensive.The existing method that stay cord is inserted pipeline is slow, trouble and poor efficiency.
In order to send piping cable, need earlier stay cord to be inserted in the pipeline, then stay cord is fixed to the leading end of cable, so that can be pulled through a segment pipe end to cable.Can insert stay cord and just be placed in the pipeline, insert cable thereafter to wait for.This helps the cable setter, because in this case, stay cord is put into pipeline before cable is installed, and makes stay cord be connected in the leading end of cable easily, by stay cord cable is pulled through pipeline then.A kind of existing method stay cord insertion pipeline comprises uses one stay cord connection original umbrella shape part thereon.This umbrella shape part inserts in the pipeline by upstream end.Then compressed air is delivered in the umbrella shape part, made its inflation, it withdraws from pipeline subsequently, and stay cord also withdraws from it.In order to keep required positive air pressure, the upstream end of necessary closed conduit is in case air spills.This is realizing that with raw mode wearing or featuring stage armour cloth waste (rags) or similar material insertion pipe head these materials must keep locating by hand when introducing in the pipeline to malleation at present.By a copper pipe that is connected in compressed air source malleation is introduced in the pipeline.Cloth waste and other packaging material are around copper pipe.Stay cord must fully freely pass packaging material or move around it, takes into account the integrality of sealing again, causes the pressure loss of pipe head.In the past, seal for pipe joints has become the subject matter that the operator faces, and when pipeline is full of water and rubble owing to refluxing, also has special problem.When pipeline was in pressured state and seal failure, pressurization can impel water and rubble to move to the pipe head part.Pipe section when filling cable, be difficult to closed conduit.Another problem of using said method to occur is that harmful folding or bonding appears in the umbrella shape part.The umbrella shape part that uses is made up of one deck textile material or similar material basically at present, is connected with an end of each multistage line on the point of its periphery, and each section line terminates in a joint that also receives the stay cord leading end at its other end.
The umbrella shape part is folding in pipeline easily, and the situation that bypass symmetry and umbrella balance are suitable during especially with normal running is compared, if collect air in the umbrella shape part asymmetricly, will make more air walk around an edge from the side.This imbalance can cause the umbrella shape part to rotate, and makes the connecting line tangle up, and in this case, line can snarl the textile material of the collection air of umbrella shape part.This means, must from pipeline, take out the umbrella shape part that tangles, thereby the process of being introduced can make the insertion of stay cord increase time and workload.
Addressing this problem is the common theme of asking in co-pending of the applicant.Use prior-art devices to also have some other problems, for example: stay cord line contact user's hand, copper pipe must be by operator's fix in position, and packing cloth waste and foamed material may be blown.In addition, need two people usually in conduit pit, a people carries stay cord, and another people is fixed copper air line and cloth waste in position.
In another kind of art methods, can insert some push rods from the two ends of pipeline, until they put halfway meet till, cut off and jointed pipe at this point, so produce a joint again, therefore harmful later on water may pass herein.Push rod can insert from two ends and reach 100m.The push rod method is a trouble, can cause the pipeline inner cable to damage, and is especially under V-arrangement arrow paths of those formation when having cable to intersect in the pipeline and situation that push rod engages, all the more so.
The invention provides a kind of can pipe blow-through the inside the and without difficultyly stay cord that is suitable for carrying the cable that resembles communication cable and so on is inserted method and apparatus inside the pipeline.The invention still further relates to a kind of effective ways that the end of that take or unappropriated pipeline is sealed, be used for promoting stay cord is inserted pipeline.This device comprises an air boosting shuttle, and shuttle is pulled through pipeline to stay cord under positive air pressure effect.The applicant has made this shuttle become the theme of a common application co-pending.
According to equipment of the present invention aspect, providing a kind of is used for pipe blow-through the inside and/or stay cord is inserted device in the pipeline, it comprises one to carrying out apparatus for sealing to the end that stay cord is put into pipeline wherein, this equipment is being sent into compressed air one during at described equipment and in response to the pipeline between the described compressed-air actuated shuttle, promote the leading end of stay cord to send piping, so that shuttle advances along pipeline, till stay cord withdraws from pipeline with it.
In the topmost form aspect present device, the present invention includes:
A kind of device is used in air boosting mode a stay cord being inserted the pipeline the inside from the arrival end of a pipeline, and makes stay cord be advanced to its port of export along described pipeline,
This device comprises:
A compressed air source;
An equipment that is used to seal described pipe end, it is allowed and compressed air is passed described water-tight equipment from described air source or is transported to the described pipeline around it;
One among described water-tight equipment or the penetrating via on side, it receives a stay cord, when engaging the arrival end of described pipeline with the described water-tight equipment of box lunch, stay cord can enter outside the pipeline or within water-tight equipment, and withdraw from water-tight equipment within pipeline; With
A device that is connected in the stay cord leading end, it makes stay cord advance along pipeline in response to the conveying from the air of described compressed air source, till it withdraws from pipeline through the described port of export.
Preferably, the air source directly or indirectly is connected in water-tight equipment, and insert device and also comprise a manifold, manifold comprises a device that is used for laying at least an air hose, air hose is communicated in described compressed air source and described manifold, and water-tight equipment comprises an inflation bag, the described compressed air of inflation bag response like this, so that wrapping under the described air pressure, described inflation expands, to seal the end of described pipeline.
Preferably, front end at described water-tight equipment, inflation bag be placed in a common elongated tubular member around, one of them film is fixed in described member with two ends, and around it, settle coaxially, wherein form a chamber between the inside of described film and described tubular element, this chamber receives compressed air, film is expanded and the inner surface of jointed pipe.
Manifold preferably comprises an air intake at least, and an air outlet slit and a control valve are used for control air stream when air-out.
The topmost form of the method according to this invention aspect provides a kind of method that is used for stay cord is inserted pipeline, and it comprises the steps:
A), send into the free end of stay cord by passage or opening in the water-tight equipment that can seal described pipeline one end;
B) free end of stay cord is fixed on the shuttle, and makes shuttle insert pipeline through arrival end;
C) end of usefulness water-tight equipment closed conduit;
D) introduce compressed air among the described sealing device or around it, and enter in the described pipeline of described sealing device downstream and described shuttle upstream;
E) apply enough air pressures, impel shuttle to move, carry stay cord and till withdrawing from pipeline until it along pipeline.
According to a preferred embodiment, this method also comprises a step by water-tight equipment loopback stay cord, and any of stay cord who is used for removing between water-tight equipment and shuttle relaxes.
Another principal mode of the method according to this invention aspect the inventive system comprises:
A compressed air source;
An equipment that is used to seal described pipeline one end, it is allowed and compressed air is passed described water-tight equipment from described air source or is transported to the described pipeline around it;
One among described water-tight equipment or the Switching-through channel on side, it receives a stay cord, when engaging the arrival end of described pipeline with the described water-tight equipment of box lunch, stay cord can outside the pipeline or within enter water-tight equipment, and within pipeline, withdraw from water-tight equipment;
A device that is connected in the stay cord leading end, it makes stay cord advance along pipeline in response to the conveying from the air of described compressed air source, till it withdraws from pipeline through the described port of export;
Method of the present invention may further comprise the steps:
A), send into the free end of stay cord by passage or opening in the water-tight equipment that can seal described pipeline one end;
B) free end of stay cord is fixed on the shuttle, and makes shuttle insert pipeline through arrival end;
C) end of usefulness water-tight equipment closed conduit;
D) compressed air introduce described water-tight equipment around, and enter in the described pipeline of described water-tight equipment downstream and described shuttle upstream;
E) the inflation bag on the described water-tight equipment is inflated, made the inflation bag engage described side opposite, thereby seal described pipeline;
F) apply enough air pressures, impel shuttle to move, carry stay cord and till withdrawing from pipeline until it along pipeline.
Another principal mode of the method according to this invention aspect the present invention includes and a kind ofly uses a kind of device that stay cord is inserted the method for pipeline, and this device comprises:
A compressed air source;
A water-tight equipment that is used for closed conduit one end, it connects compressed air source directly or indirectly;
A shuttle that is connected in stay cord, it is in response to compressed air;
This method comprises the steps:
A) send into the free end of stay cord by the opening in the water-tight equipment;
B) shuttle is fixed on the described free end of stay cord, and shuttle is inserted pipeline by arrival end;
C) after the manifold that water-tight equipment is connected to a control air inflow water-tight equipment and pipeline, water-tight equipment is inserted described arrival end;
D) by regulating the control valve on the manifold, the end of closed conduit makes the inflation bag inflation on the described water-tight equipment;
E) adjusting control valve makes compressed air enter pipeline, excites shuttle whereby, till shuttle carries stay cord and withdraws from pipeline.
Preferably, this method comprises the additional step of an adjusting control valve after shuttle withdraws from pipeline, so that discharge water-tight equipment from pipeline.
Preferably, water-tight equipment comprises a manifold, its pipeline and water-tight equipment to being connected in the manifold leading end, the conveying of control air.
In another principal mode of the present invention, the present invention includes a device that uses a kind of cleaning element that resembles cylindrical piece (pellet) and so on to come the pipe blow-through the inside, this device comprises an end of a closed conduit and allows compressed air to send into the device of described pipeline, described compressed air impels described cylindrical piece by pipeline, thereby impels water of its front and/or chip to pass through pipeline.
Now according to the present invention aspect method and apparatus preferably but be not restrictive embodiment, and, the present invention is described in more detail with reference to wherein appended explanation.
Fig. 1 inserts the exploded view of device according to preferred embodiment of the present invention explanation stay cord;
Fig. 2 is similar to shown in Figure 1 according to one of preferred embodiment of the present invention explanation, the end view of the manifold that the air of delivering to pipeline the inside and water-tight equipment is controlled; With
Fig. 3 illustrates water-tight equipment according to the preferred embodiment of the present invention.
With reference to figure 1, a device 1 that is used for stay cord is put into pipeline 2 is shown according to the preferred embodiment of the present invention.This device also can be used to remove the water and/or the chip of pipeline the inside.Yet, only be used for aspect stay cord insertion pipeline, describing this device basically at it.Device 1 comprises 3, one compressed air sources of manifold that have a water-tight equipment 4, a shuttle 6 and a stay cord 6a.Preferably water-tight equipment 4 removable turning up the soil are fixed on the manifold 3, so that can change the water-tight equipment of different sizes according to the size of wanting closed conduit.Fig. 1 illustrates the water-tight equipment 4 that inserts in the pipeline 2, and stay cord 6a passes wherein, and is connected in shuttle 6 with its front end.
Referring now to Fig. 2, manifold 3 comprises a manifold body 3a, at the one end one pedestal (station) 5 is arranged, pedestal 5 is laid a joint 5a who is connected in air supply flexible pipe 7 (see figure 1)s, and it for example can be the air source of a conventional air compressor 8 that flexible pipe 7 is connected in one again.At same end or in its vicinity, manifold body 3a also comprises a pedestal 9, pedestal 9 is laid a joint 10 that is connected in air supply flexible pipe 11 (see figure 1)s, and flexible pipe 11 is connected in air compressor 8 again directly or indirectly.
As shown in Figure 1, flexible pipe 11 is delivered to water-tight equipment 4 to compressed air by pedestal 9.Supplying with the air of water-tight equipment 4 is regulated by valve 12, by operator's control valve 12 manually, so that air is delivered to the space 13 (also seeing Fig. 3) that an inflation bag that forms is centered in flexible membrane 14, film 14 radially enlarges, until it frictionally till the inner surface 15 of jointed pipe 2.The effect of water-tight equipment 4 resembles the stopper of the end 16 of a closed conduit 2, by joint 17 water-tight equipment 4 removable turning up the soil is fixed on the manifold body 3a.According to will selecting water-tight equipment 4 to the size that stay cord 6a puts into pipeline wherein, thereby obtain a size range.
Fig. 3 illustrates the partial cross section figure of a typical water-tight equipment 4.Water-tight equipment 4 is members of a general tubulose, and it comprises an inflation bag that is formed by flexible membrane 14, and film 14 manages 18 in cylindrical, thereby forms a cavity or space 13 between film 14 and pipe 18.Film 14 is elastomeric material preferably, and fixes at two ends with anchor clamps 19 and 20.The two ends of clamping film 14 can guarantee that cavity or space 13 are airtight.Film 14 has enough elasticity, it can radially be moved according to having from the supercharging of the compressed-air actuated cavity in air source 8, make whereby between film 14 and pipeline 2 inner surfaces 15 and can closely work in coordination, the result, the end 16 of pipeline 2 is sealed, thereby according to layout shown in Figure 1, the compressed air of introducing in the pipeline 2 can only leave through the end opposite of piping.
Preferably, introduce the air of cavity 13 and send into,, enter cavity 13 via one or some narrow holes 21 and 22 then, so that an inflation bag that is formed by film 14 is inflated to desired pressure through valve 12 from flexible pipe 11.The operator selects required pressure according to the seal request of considering the radial distance that water-tight equipment diameter and film must move, to realize the sealing to the inner surface 15 of pipeline 2.In general, can be used for realizing that enough the air pressure of sealing is in 25 to 150psi scopes.Available pressure table 23 monitoring pressure.After cavity 13 is pressurized to required degree,, adjuster valve 12 to come the seal compression air, so that between the inner surface 15 of film 14 and pipeline 2, keep frictional engagement in order when inserting stay cord 6a, to keep this pressure.
This device is applicable to the following aspect that special reference layout shown in Figure 1 is described.An operator selects to be used for inserting therein the pipeline 2 of stay cord 6a.At the scene, very frequent pipeline is intake or chip therein, preferably removes them.If pipeline is empty, a then available cylindrical piece 23 replaces shuttle 6, because when it moves past pipeline, can promote water and chip in its front.When stay cord being put into wherein pipeline is partly to fill cable or when empty, can use shuttle 6.Shuttle 6 can move some chip to a certain extent, but guider on the shuttle 6 or air collector 24 are consistent with the pipe interior profile easily under air pressure, so generally be not enough at shuttle front promotion chip.Inside laid already under the situation of some cables at pipeline, the cross section may be uneven; In this case, air collector may travel on inhomogeneous profile.Therefore, the operator can select to be used to insert the cylindrical piece 26 or the shuttle 6 of stay cord according to the state of pipeline (promptly empty or part is filled cable).
Under the situation of using cylindrical piece, stay cord is connected in it by end 6b.According to the inventive method aspect, first step is to send into the leading end of stay cord 6a by the opening 5a among the manifold body 3a.Then leading end 6b is connected in shuttle 6 or cylindrical piece 23, again it is sent into pipeline 2 with short distance., manifold 3 be fixed in the end of pipeline, simultaneously by manifold loopback stay cord, to eliminate the undesirable sagging part among the stay cord 6a thereafter.When assembling manifold 3, water-tight equipment 4 enters in the pipeline 2, makes its inflation then, thereby with previously described mode closed conduit 2.After shut off valve 12, secure manifold reliably in position.By further adjuster valve 12, compressed air is delivered in the pipeline then, thereby driven cylindrical piece 23 or shuttle 6, till it hauls stay cord 6a and withdraws from pipeline along pipeline.By opening valve 12, discharge water-tight equipment 4 then, thereby compressed air is discharged in film 14.Then the tail end of stay cord 6a is pulled out manifold 3, thereby get ready for fixing a cable that will be pulled through pipeline.
Described device also can be used for carrying stay cord from an equipment that is called reflector (launcher), and this reflector comprises that one rolls up the rope that will send into pipeline.
The professional and technical personnel can understand, and can make numerous changes and correction to the present invention who briefly describes in this, and not break away from total spirit and scope of the present invention.
Claims (27)
1. one kind is used in air boosting mode a stay cord being inserted a pipeline and making it shift the device of the port of export onto along described pipeline from arrival end, and this device comprises:
A compressed air source;
An equipment that is used to seal described pipeline one end, it can pass or center on described water-tight equipment and send into described pipeline compressed air from described air source;
One in described water-tight equipment or other penetrating via, it so lays a stay cord, so that when described water-tight equipment engages the arrival end of described pipeline, stay cord can enter the outer or interior water-tight equipment of pipeline, and withdraws from the interior water-tight equipment of pipeline;
A shuttle that is connected in the stay cord leading end, it makes stay cord advance along pipeline in response to the conveying from the air of described compressed air source, till stay cord withdraws from pipeline through the described port of export.
2. according to the device of claim 1, wherein the air source is to be connected in water-tight equipment directly or indirectly.
3. according to the device of claim 2, wherein the air source is delivered to water-tight equipment to air by an air manifold.
4. according to the device of claim 3, wherein manifold is controlled the compressed-air actuated conveying that enters pipeline.
5. according to the device of claim 4, wherein water-tight equipment comprises a common elongated tubular body, and tubular body comprises an adventitia that can form an inflation bag.
6. according to the device of claim 5, the film that wherein forms described inflation bag reacts to described compressed air, thereby impels film pasting the inwall of described pipeline, so that realize sealed engagement between inflation bag and pipeline.
7. according to the device of claim 6, wherein film is fixed in the two ends of described tubular body with anchor clamps or similar tool, one of them anchor clamps is to connect together with a joint of laying described manifold.
8. according to the device of claim 5, wherein manifold comprises an air intake at least, an air outlet slit and a control valve that is used to control air stream and air-out.
9. device according to Claim 8, wherein control valve is displaced between following all positions: prevent that therein compressed air from entering the primary importance of manifold, therein air is delivered to the second place in the described inflation bag, therein air deliver in the described pipeline the 3rd position and therein from the 4th position of described manifold, described pipeline and described inflation bag air-out.
10. according to the device of claim 9, wherein manifold comprises some joints at two inlet ports, and these joints are laid some air supply flexible pipes that are connected in described compressed air source.
11. according to the device of claim 10, wherein manifold also is included in a joint that mates with water-tight equipment of outlet.
12. according to the device of claim 11, wherein manifold also comprises a Pressure gauge.
13. according to the device of claim 12, wherein shuttle comprises slender axles of radially settling at least one inflatable air collector around it.
14. device according to claim 13, air collector or comprise a skirt wherein, skirt has the waist and the free end that radially moves according to air pressure that are fixed in described axle, perhaps comprises an air trapping cell array of radially settling around described axle.
15. a water-tight equipment, for the device use that is used for stay cord is inserted pipeline, water-tight equipment comprises a common elongated tubular element, and this member is clamped to form an inflatable bag at the film two ends at flexible membrane of its disposed about.
16. according to the water-tight equipment of claim 15, wherein, the film that forms described inflation bag reacts to compressed air, thereby impels the inwall of film against described pipeline, so that realize sealed engagement between inflation bag and pipeline.
17. according to the water-tight equipment of claim 16, wherein film is fixed in the two ends of described tubular body with anchor clamps or similar tool, wherein anchor clamps are to connect together with a joint of laying described manifold.
18. a manifold, for the device use that is used for stay cord is inserted pipeline, wherein, manifold comprises an air intake at least, an air outlet slit and a control valve.
19. manifold according to claim 18, wherein control valve is displaced between the following position: prevent that therein compressed air from entering the primary importance of manifold, therein air is delivered to the second place in the inflation bag that links to each other with water-tight equipment, therein air deliver in the described pipeline the 3rd position and therein from the 4th position of described manifold air-out.
20. according to the manifold of claim 19, wherein manifold comprises some joints at two inlet ports, these joints are laid some air supply flexible pipes that are connected in described compressed air source.
21., also be included in a joint that mates with water-tight equipment of outlet according to the manifold of claim 20.
22., also comprise a Pressure gauge according to the device of claim 21.
23. one kind is used a device that stay cord is inserted pipeline and makes its method that moves along pipeline, this device comprises:
A compressed air source;
An equipment that is used to seal described pipeline one end, it can pass compressed air from described air source or sends into the described pipeline around described water-tight equipment;
One in described water-tight equipment or other penetrating via, it so lays a stay cord, so that when described water-tight equipment engages the arrival end of described pipeline, stay cord can enter the outer or interior water-tight equipment of pipeline, and withdraws from the interior water-tight equipment of pipeline;
A device that is connected in the stay cord leading end, it makes stay cord advance along pipeline in response to the conveying from the air of described compressed air source, till stay cord withdraws from pipeline through the described port of export;
This method comprises the steps:
A), send into the free end of stay cord by a passage or an opening in the water-tight equipment that can seal described pipeline one end;
B) free end of stay cord is fixed on the shuttle, and shuttle is inserted pipeline by upstream end;
C) end of usefulness water-tight equipment closed conduit;
D) compressed air guide to described water-tight equipment around, and introduce the described pipe downstream of described water-tight equipment and the upstream of described shuttle;
E), make the inflation bag engage described side opposite, thereby seal described pipeline to the inflation of the inflation bag on the described water-tight equipment;
F) apply enough air pressures, promote shuttle to move, till shuttle is carrying stay cord and withdraws from pipeline along pipeline.
24. according to the method for claim 23, also comprise the step of a loopback stay cord, be used for eliminating any sagging part of the stay cord between sealing device and shuttle.
25. one kind is used a device that stay cord is inserted ducted method, this device comprises:
A compressed air source;
A water-tight equipment is used for an end of closed conduit, and it connects compressed air source directly or indirectly;
A shuttle that is connected in stay cord, it is in response to compressed air;
This method comprises the steps:
A), send into the free end of stay cord by the opening in the water-tight equipment;
B) fix a shuttle at the described free end of stay cord, and this shuttle is inserted pipeline by upstream end;
C) after the manifold that water-tight equipment is connected to a control air inflow water-tight equipment and pipeline, water-tight equipment is inserted described upstream end;
D) by regulating the control valve on the manifold, to the inflation of the inflation bag on the described water-tight equipment, thus the end of closed conduit;
E) adjusting control valve makes compressed air enter pipeline, promotes shuttle whereby, till shuttle is carrying stay cord and withdraws from pipeline.
26. according to the method for claim 25, also comprise an adjusting control valve, so that described inflation bag venting, thereby can from pipeline, discharge the step of water-tight equipment.
27. a use resembles the device of the cleaning element pipe blow-through the inside of cylindrical piece and so on, described device comprises a compressed air source, a water-tight equipment that is used to seal described pipeline upstream end, with an inflatable inflation bag from described compressed air source admission of air, cylindrical piece is put into pipeline and with described water-tight equipment sealing upstream end after, described compressed air promotes cylindrical piece and passes pipeline.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AUPN9667 | 1996-05-03 | ||
| AUPN9667A AUPN966796A0 (en) | 1996-05-03 | 1996-05-03 | Method and assembly for cleaning and/or insertion of a draw line in a conduit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1221522A true CN1221522A (en) | 1999-06-30 |
Family
ID=3793980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97195217A Pending CN1221522A (en) | 1996-05-03 | 1997-05-02 | Method and assemble for cleaning and/or insertion of draw line in conduit |
Country Status (13)
| Country | Link |
|---|---|
| EP (1) | EP0990288A4 (en) |
| JP (1) | JP2000509596A (en) |
| KR (1) | KR20000010719A (en) |
| CN (1) | CN1221522A (en) |
| AU (1) | AUPN966796A0 (en) |
| BR (1) | BR9710707A (en) |
| CA (1) | CA2253507A1 (en) |
| CZ (1) | CZ351598A3 (en) |
| FI (1) | FI982384A (en) |
| NZ (1) | NZ333216A (en) |
| PL (1) | PL329874A1 (en) |
| TR (1) | TR199802212T2 (en) |
| WO (1) | WO1997042690A1 (en) |
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| CN112620512A (en) * | 2020-11-30 | 2021-04-09 | 南京宝色股份公司 | Device and method for taking out broken hydraulic pipe expander |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2812463B1 (en) * | 2000-07-25 | 2003-01-17 | France Telecom | DEVICE FOR LAYING IN A COMPRESSED AIR DUCT OF A ROPE PROVIDED WITH A FERRET |
| KR20030035729A (en) * | 2001-12-22 | 2003-05-09 | 강춘수 | The pulling device of inner duct for communication sub duct |
| KR101230635B1 (en) * | 2011-07-01 | 2013-02-06 | 이종봉 | Scattering apparatus for spraying into ultrafine particles of insecticide fluid |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2191314B1 (en) * | 1972-07-05 | 1976-10-29 | Morel Ets Atel Lectrome | |
| GB2064703A (en) * | 1979-11-22 | 1981-06-17 | Madden P J | Unblocking and repairing conduits |
| US4596381A (en) * | 1980-05-19 | 1986-06-24 | Thomas Industries, Inc. | Apparatus and method for installing line in conduit |
| FR2577724B1 (en) * | 1985-02-14 | 1987-03-06 | Lignes Telegraph Telephon | METHOD FOR PNEUMATICALLY PLACING A ROPE IN A SLEEVE AND DEVICE FOR IMPLEMENTING IT |
| US4840352A (en) * | 1988-02-01 | 1989-06-20 | Ellis Roy J | Blow plug |
| FR2655782B1 (en) * | 1989-12-12 | 1992-03-20 | Beaumanoir Yvon | DEVICE FOR GUIDING A CABLE OR A TENSION ROPE WITH VARIABLE SECTION FOR PNEUMATIC INSTALLATION IN A PIPE. |
| DE4312332C2 (en) * | 1993-04-15 | 1995-08-31 | Baer Brigitte | Device for use in a pipe, in particular cable protection pipe |
-
1996
- 1996-05-03 AU AUPN9667A patent/AUPN966796A0/en not_active Abandoned
-
1997
- 1997-05-02 PL PL97329874A patent/PL329874A1/en unknown
- 1997-05-02 CZ CZ983515A patent/CZ351598A3/en unknown
- 1997-05-02 EP EP97919201A patent/EP0990288A4/en not_active Withdrawn
- 1997-05-02 KR KR1019980708822A patent/KR20000010719A/en not_active Application Discontinuation
- 1997-05-02 CN CN97195217A patent/CN1221522A/en active Pending
- 1997-05-02 BR BR9710707-7A patent/BR9710707A/en unknown
- 1997-05-02 WO PCT/AU1997/000269 patent/WO1997042690A1/en not_active Application Discontinuation
- 1997-05-02 NZ NZ333216A patent/NZ333216A/en unknown
- 1997-05-02 CA CA002253507A patent/CA2253507A1/en not_active Abandoned
- 1997-05-02 TR TR1998/02212T patent/TR199802212T2/en unknown
- 1997-05-02 JP JP9539345A patent/JP2000509596A/en active Pending
-
1998
- 1998-11-03 FI FI982384A patent/FI982384A/en unknown
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105798026A (en) * | 2014-12-30 | 2016-07-27 | 中核武汉核电运行技术股份有限公司 | Inner wall cleaning tool for spent fuel storage sleeve |
| CN105798026B (en) * | 2014-12-30 | 2018-05-18 | 中核武汉核电运行技术股份有限公司 | A kind of spent fuel storage sleeve pipe inner wall washing instrument |
| CN111156409A (en) * | 2018-11-08 | 2020-05-15 | 中国石油化工股份有限公司 | System for storing liquid and removing residual liquid |
| CN111156409B (en) * | 2018-11-08 | 2021-11-02 | 中国石油化工股份有限公司 | System for storing liquid and removing residual liquid |
| CN111285058A (en) * | 2018-12-10 | 2020-06-16 | 焦作科瑞森重装股份有限公司 | Tailing lifting device and method for large-angle pipe belt conveyor |
| CN111285058B (en) * | 2018-12-10 | 2021-05-07 | 焦作科瑞森重装股份有限公司 | Tailing lifting device and method for large-angle pipe belt conveyor |
| CN112620512A (en) * | 2020-11-30 | 2021-04-09 | 南京宝色股份公司 | Device and method for taking out broken hydraulic pipe expander |
Also Published As
| Publication number | Publication date |
|---|---|
| TR199802212T2 (en) | 1999-02-22 |
| KR20000010719A (en) | 2000-02-25 |
| EP0990288A1 (en) | 2000-04-05 |
| WO1997042690A1 (en) | 1997-11-13 |
| BR9710707A (en) | 2000-01-11 |
| PL329874A1 (en) | 1999-04-12 |
| FI982384A (en) | 1999-01-04 |
| NZ333216A (en) | 2001-06-29 |
| CZ351598A3 (en) | 1999-07-14 |
| JP2000509596A (en) | 2000-07-25 |
| CA2253507A1 (en) | 1997-11-13 |
| EP0990288A4 (en) | 2001-05-16 |
| FI982384A0 (en) | 1998-11-03 |
| AUPN966796A0 (en) | 1996-05-30 |
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