WO2011150341A2 - A pipeline insertion system - Google Patents
A pipeline insertion system Download PDFInfo
- Publication number
- WO2011150341A2 WO2011150341A2 PCT/US2011/038356 US2011038356W WO2011150341A2 WO 2011150341 A2 WO2011150341 A2 WO 2011150341A2 US 2011038356 W US2011038356 W US 2011038356W WO 2011150341 A2 WO2011150341 A2 WO 2011150341A2
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- WO
- WIPO (PCT)
- Prior art keywords
- pipeline
- clamp device
- movable clamp
- movable
- state
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/024—Laying or reclaiming pipes on land, e.g. above the ground
- F16L1/028—Laying or reclaiming pipes on land, e.g. above the ground in the ground
- F16L1/032—Laying or reclaiming pipes on land, e.g. above the ground in the ground the pipes being continuous
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
Definitions
- Pipelines for moving natural gas, oil, and other gases and fluids may be mounted inside tunnels, through wetlands, across shorelines, and other environments with limited accessibility to construct the pipeline. Depending on the location, such pipelines may need to extend for many kilometers through such environments. For instance, pipelines in a tunnel beneath a large city may have lengths of eight or more kilometers.
- the tunnel may be bored with a tunnel boring machine (TBM).
- TBM tunnel boring machine
- Pipelines installed in such tunnels are typically constructed out of many pipeline segments that are welded together to form a generally straight run of the pipeline.
- An example system may correspond to a pipeline insertion system.
- a pipeline insertion system may include an insertion device that includes a frame, a movable clamp device in slidable engagement with the frame, and at least one drive.
- the system may also include at least one controller comprising one or more computers, processors, and/or other electrical components that are operatively configured to operate the insertion device to move a pipeline and to monitor the operation of the system.
- the at least one controller is operatively configured to cause the at least one drive to move the movable clamp device between a first position and a second position along the frame. Also, the at least one controller is operatively configured to cause the movable clamp device to change between a first state and a second state. In the first state, the movable clamp device is operative to clamp (i.e., rigidly engage and grip) at least one portion of a pipeline received by the pipe insertion device and prevent relative movement between the movable clamp device and the pipeline. In the second state, the movable clamp device is operative to release the at least one portion of the pipeline and permit relative movement between the movable clamp device and the pipeline.
- This described system may also include a plurality of housing segments.
- Each housing segment may be comprised of concrete or other material and may include at least one bore therethrough for receiving portions of the pipeline.
- the system may include a plurality of support frames.
- Each support frame includes a channel therethrough with at least one bearing mounted therein for receiving portions of the pipeline in operatively sliding connection with the at least one bearing.
- the support frames are respectively positioned between the ends of the bores of adjacent housing segments, such that the bores of the housing segments and the channels of the support frames are aligned to receive the pipeline extending in a substantially straight line through a sequence of many pairs of adjacent housing segments and support frames.
- the at least one controller is operatively configured to cause the movable clamp device to change to the first state to clamp at least one portion of the pipeline and to cause the at least one drive to move the movable clamp device from the first position to the second position in order to move portions of the pipeline within at least one bore of at least one of the housing segments and at least one channel of at least one of the support frames.
- the at least one controller is operatively configured to cause the movable clamp device to change to the second state and to cause the at least one drive to move the movable clamp device in a reverse direction from the second position to the first position without moving the pipeline relative to the housing segments and support frames.
- the at least one controller is operatively configured to operate the insertion device for many insertion cycles to incrementally push the pipeline through the bores of many housing segments.
- Such housing segments may have lengths to accommodate the placement of a sufficient number of support frames between ends of adjacent housing segments in order to support moving a pipeline for a distance of several kilometers through the bores of the housing segments without the pipeline buckling and with no (or at least minimal) contact between the outer surfaces of the pipeline and the inner surfaces of the bores of the housing segments.
- one or more additional pipeline segments may be welded to the portion (i.e., outer end) of the pipeline that extends outside the housing segments.
- the insertion device may be operated again to move the movable clamp device one or more times in order to insert more of the pipeline into the bores of the housing segments. This process may be repeated for as many insertion cycles as needed to insert the required length of pipeline in the tunnel.
- the at least one controller may be operatively configured to operate the insertion device to remove a pipeline out of the housing segments. This may be carried out via the movable clamp device moving one or more times from the second position to the first position to pull the pipeline outwardly from the bores of the housing segments. One or more segments of the removed pipeline may be cut off of the pipeline. Once the pipeline has been shortened in this manner, the insertion device may be operated again to move the movable clamp device one or more times in order to pull additional portions of the pipeline out of the bores of the housing segments. This process may be repeated for as many extraction cycles as needed to remove and disassemble the pipeline.
- Fig. 1 is a schematic diagram of an example pipeline insertion system.
- Fig. 2 is a perspective view of an example embodiment of an insertion device.
- Fig. 3 is a perspective view of an example movable clamp device of the insertion device.
- Fig. 4 is a front plan view of an example movable clamp device.
- Fig. 5 is a perspective view of an example arrangement of housing segments and support frames.
- Fig. 6 is a perspective view of an example support frame mounted between ends of adjacent housing segments.
- Fig. 7 is a perspective view of an example support frame without pipelines and housing segments.
- Fig. 8 is a front plan view of an example support frame mounted in a tunnel.
- Fig. 9 is a flow diagram that illustrates an example methodology for operating a pipeline insertion device to insert a pipeline.
- Fig. 10 is a flow diagram that illustrates an example methodology for operating a pipeline insertion device to extract a pipeline.
- an example pipeline insertion system 100 that facilitates moving a pipeline over several kilometers is illustrated.
- the system 100 includes an insertion device 102.
- this described insertion device is operative to move a pipeline in a generally straight line into and out of a tunnel or other location (e.g., wetlands, shoreline).
- a pipeline may correspond for example to pipeline with a 30 inch outer diameter, 0.500 inch wall thickness API-5L-X70 steel pipe.
- other sizes of pipelines may be used.
- the example system may include at least one controller 126 that is operative to control one or more features of the insertion device.
- a controller may correspond to one or more processors and associated electrical components that are operatively configured to cause features of the insertion device to operate.
- the system may include a controller in the form of a computer with at least one processor 160 therein.
- the computer may include software 166 which is operatively configured to control hardware in the insertion device (e.g., motors, pumps, valves, etc.).
- the controller may include a processor such as a programmable logic controller with firmware configured to operate the hardware in the insertion device.
- the controller may also be operative to receive signals from sensors 128 (e.g., transducers) mounted to the hardware components of the insertion device. As explained in more detail below, the controller may be responsive to such sensor signals to control how the hardware in the insertion device operates. The controller may also be operative to communicate information regarding the operation of the hardware and the signals from the sensors to one or more local and/or remote output devices 162 (e.g., display screen, visible/audible alarms), to enable users to monitor the insertion device. Furthermore, the controller may be in operative connection with one or more input devices 164 (e.g., touch screen, keyboard, mouse) through which a user may provide inputs that control how the controller operates the insertion device.
- input devices 164 e.g., touch screen, keyboard, mouse
- the insertion device 102 includes a frame 104. Mounted in slidable engagement with the frame is a movable clamp device 106.
- the at least one controller is operatively configured (e.g., programmed) to cause the movable clamp device to change between a first state in which the movable clamp device clamps a portion of the pipeline in rigid engagement therewith, and a second state in which the movable clamp devices releases the portion of the pipeline from rigid engagement with the movable clamp device.
- the applied clamping forces are operative to prevent movement of the pipeline relative to the movable clamp device.
- the controller may be operative to vary the amount of clamping forces applied by the clamp device depending on the diameter, weight, and current length of the pipeline, and the amount of force needed to move the pipeline.
- the first state corresponds to when the movable clamp device is operatively providing sufficient clamping forces to enable the pipeline to be moved without the pipeline slipping relative to the clamp device.
- the movable clamp device may include a plurality of hydraulic cylinders which are operative to cause movable portions 190 (e.g., pads) of the movable clamp device to move to rigidly clamp the pipeline. Hydraulic pumps and valves used to operate the hydraulic cylinder may be controlled by the described controller.
- the described insertion device may include one or more drives 114 such as hydraulic motors.
- the controller may be operatively configured to cause the drives to move the movable clamp device between a first position 108 and a second position 110 on the frame.
- the insertion device may include rack and pinion gear assemblies which enable the drive to move the movable clamp device along the frame.
- alternative embodiments may employ other types of gears or other mechanical assemblies that are capable of moving the movable clamp device (and a pipeline clamped therein) with respect to the frame.
- the described system may be used to insert a pipeline in a bored out underground tunnel 130 or other pipeline application.
- a tunnel may be produced by a tunnel boring machine.
- a plurality of pipeline housing segments 122 may be mounted inside the tunnel.
- Such housing segments may each include at least one bore 124 (i.e., a hollow passageway) therethrough.
- the segments may include three or more bores therethrough.
- bore as used herein with respect to housing segments does not require that this bore be formed through a drilling process. Rather a bore is defined herein as a hollow passageway, which may be generated using any applicable process, including drilling and/or via forms, molds or other casting techniques as the housing segments are produced.
- the housing segments may correspond to pre-casted concrete segments that are transported into the tunnel and may be mounted serially in a manner such that the respective bores in each housing segment are axially aligned with the respective bores in each adjacent housing segment.
- the housing segments may be formed inside the tunnel by providing concrete into appropriate forms.
- the bores may include inner walls comprised of the concrete of which the housing segment is constructed.
- the walls of the bores of the housing segments may correspond to pipes made out of other materials (such as steel pipes) which are embedded in the concrete body of the housing segment.
- the bores of the housing segments provide a straight passageway through which a straight run of pipeline may be inserted.
- the described housing segments may correspond to floor segments.
- the upper surfaces of the housing segments may be generally flat, and thus may correspond to a portion of roadway that is capable of accommodate movement of people and/or vehicles through the tunnel over the floor segments and pipelines contained therein.
- the pipeline housing segments may not include an upper surface that can serve as a roadway for a vehicle.
- the described system may further include a plurality of support frames 116.
- Each support frame may include a channel 118 therethrough with at least one bearing 120 mounted therein for receiving portions of the pipeline in operatively sliding connection with the at least one bearing 120.
- the support frames may be respectively positioned in the tunnel between the bores of adjacent housing segments, such that the bores of the housing segments and the channels of the support frames are aligned to receive the pipeline extending in a substantially straight line therethrough.
- the bearings 120 of the support frames are positioned in a manner to fully or at least substantially support the run of the pipeline so as to prevent (or at least minimize) portions of the pipeline sliding against the inner surface of the bores of the housing segments.
- the housing segments may be produced (e.g., casted) to include a base 170 upon which the support frames may be mounted.
- Such bases 170 may be provided with a sufficient height relative to the bores 124 and such support frames may be constructed with appropriate dimensions, such that placement of the support frames on the bases may result in the channels 118 of the support frames being substantially aligned with the bores 124 of the segments (with minor positional adjustments).
- appropriate surveying equipment e.g., lasers
- shims, and other alignment tools and devices may be used to accurately place the channels of the support frames in the required amount of alignment with the bores of the housing segments to be within the tolerances needed for the particular pipeline application.
- the housing segments may be appropriately surveyed and aligned to place their respective bores in axial alignment within the tunnel.
- the shapes of the bores and channels described herein may not be cylindrical.
- substantial alignment of the bores and channels corresponds to an alignment that is sufficient to provide at least one passageway through the described bores and channels, which passageway is capable of receiving a substantially straight cylindrical pipeline therethrough.
- the insertion device 102 is also positioned and aligned to properly direct portions of the pipeline into (and/or out of) the bores and channels of the housing segments and support frames.
- the insertion device may include alignment devices 172 that are operative to selectively horizontally and vertically raise/lower portions of the described frame to axially position and align openings through the movable clamp device 106 with the bores 124 of the housing segments 122 mounted in the tunnel 130.
- pipeline segments may be mounted in the movable clamp device.
- the controller 126 may then be operated to cause the movable clamp device to change to the first state (which clamps the pipeline) and to cause the at least one drive to move the movable clamp device from the first position 108 to the second position 110 in order to begin the process of moving portions of the pipeline within the bores of housing segments and the channels of the support frames.
- the controller is operative to cause the movable clamp device to change to the second state (which releases the pipeline) and to cause the at least one drive to move the movable clamp device from the second position back to the first position without moving (or at least without substantially moving) the pipeline relative to the housing segments and support frames.
- the process of pushing the pipeline forward via the movable clamp device moving from the first position to the second position (in a first direction), followed by moving the movable clamp device (but not the pipeline) back to the first position (in a second direction opposite the first direction), is referred to herein as an insertion cycle.
- one or more additional pipeline segments 180 may be welded on to the end of the pipeline 112 and then the insertion devices may be operated again (for one or more insertion cycles) to move the lengthened pipeline further into the housing segments.
- the periodic operation of the insertion device and the welding on of additional pipeline segments may continue until the desired run of pipeline has been moved through the desired number of housing segments and support frames.
- this described process may be carried out in the reverse direction to extract the pipeline from the housing segments.
- the process of pulling the pipeline outwardly via the movable clamp device moving (in first clamped state in the second direction) from the second position to the first position, followed by moving (in the first direction) the movable clamp device (but not the pipeline) in the (second released state) back to the second position is referred to herein as an extraction cycle.
- one or more pipeline segments 180 may be cut off the end of the pipeline 112 and then the insertion devices may be operated again (for one or more extraction cycles) to move the shortened pipeline further out of the housing segments.
- the periodic operation of the insertion device and the cutting off of pipeline segments may continue until the desired run of pipeline has been removed from the housing segments and support frames.
- the insertion device may include a further stationary clamp device 150 to hold the pipeline in place while the movable clamp device returns to another position.
- the controller 126 may be operative to cause the stationary clamp device 150 to change to the first state (i.e., the clamped state) to rigidly hold the pipeline in place on the frame while the movable clamp device 106 is returned to its applicable starting position for another insertion (or extraction) cycle.
- the controller 126 is operative to cause the stationary clamp device 150 to change to the second state (i.e., the released state) to permit the pipeline to move relative to the stationary clamp device 150 as it is pushed (or pulled) by the movable clamp device.
- FIG. 2 there is illustrated a perspective view of an example embodiment of an insertion device 200.
- Figure 2 illustrates examples of the previously described hardware components that may be included in an insertion device.
- Such hardware may include a movable clamp device 202 which is mounted in slidable connection with an insertion device frame 204.
- the movable clamp device may include a carriage 206 that is in slidable engagement (e.g., via a plurality of rollers and/or bearings 232) with rails 208, 210 integrated into the frame 204 of the insertion device.
- the carriage 206 may include drives in the form of several motors 212 such as hydraulic motors.
- the hydraulic motors may be orientated to rotate respective pinion gears
- the previously described controller may be operative to control hydraulic pressure from a hydraulic pump to selectively cause the hydraulic motors to move the carriage 206 along the frame 204.
- Figure 2 also illustrates an example of a stationary clamp device 230 which is mounted in rigid engagement with the frame 204.
- Figure 2 illustrates examples of alignment devices that are usable to selectively position and align the inserter device.
- the alignment devices may include hydraulic dollies 216 and 218 to selectively move the insertion device laterally.
- the alignment devices may include hydraulic jacks 220, 222 comprising vertically orientated hydraulic cylinders 224 to selectively move the insertion device vertically.
- the at least one controller may be operated to cause the dollies 216, 218 to move the insertion device laterally in order to horizontally align the openings of the movable clamp device and the bores of the housing segments. Subsequently, the at least one controller may be operated to selectively and individually cause the hydraulic cylinders 224 to raise or lower each side of each hydraulic jack 220, 222 of the insertion device to vertically align and orientate the openings in the movable clamp device 202 with the bores of the housing segments.
- FIG. 3 there is illustrated a perspective view 300 of the previously described movable clamp device 202.
- Figure 3 shows the hydraulic motors 212 which are operative to rotate respective pinion gears 312 (along the gear rack 214 shown in Figure 2).
- the movable clamp device 202 may include a plurality of movable portions 302 that are positioned around at least a portion of the opening 304 in the movable clamp device that receives the pipeline.
- Such movable portions 302 may correspond to replaceable bonded friction shoes (also referred to herein as pads).
- the described movable portions 302 may generally be mounted to move inwardly to contact the top half (i.e., top 180 degrees) of the cylindrical surface of the pipeline.
- the bottom half of the pipeline i.e., the bottom 180 degrees
- stationary portions 308 of the movable clamp device Such stationary portions may also include replaceable bonded friction shoes/pads as well.
- the movable portions 302 may be moved by respective hydraulic cylinders 306.
- Such hydraulic cylinders 306 may be selectively operated by the controller to control the amount of clamping forces applied to the pipeline by the movable portions 302.
- the hydraulic cylinders 306 may be operative to move each respective movable portion 302 radially inwardly towards a respective stationary portion 308 (on the opposite side of the pipeline) to clamp the pipeline in the previously described first state of the movable clamp device.
- the movable portions 302 may also be moved radially outwardly to the previously described second state of the movable clamp device to release the clamping forces acting on the pipeline.
- the movable clamp device may include multiple sets of respective movable/stationary portions, which sets are positioned to clamp different portions of the pipeline in a longitudinal direction.
- FIG 4 there is illustrated a front plan view 400 of the previously described movable clamp device 202 with a portion of the pipeline 402 clamped therein between the movable 302 and stationary 308 portions (e.g., shoes, pads).
- Figure 4 also shows an example of the manner in which the carriage 206 of the movable clamp device may be mounted in slidable engagement with the frame 204 of the insertion device.
- the described pipeline insertion system may include a plurality of housing segments that are mounted end to end in a tunnel.
- Figure 5 illustrates an example arrangement 500 of housing segments 502, 504, 506 with three pipelines 510 inserted therethrough.
- Figure 5 also shows examples of support frames 522, 524 mounted between ends of the housing segments.
- the support frames may be located in gaps 530, 532 between the openings to the bores in adjacent housing segments.
- steel plates or other planar elements 540 may be placed across these gaps to cover the support frames.
- Figure 6 shows a larger perspective view 600 of the support frame 522 that is positioned between opposite facing ends 604, 606 of adjacent housing segments 504, 502.
- the housing segments may include a base 522 that is operative to serve as a foundation for the support frame 602.
- Figure 6 also illustrates that a support frame may be constructed to support a plurality of pipelines (such as three or other number of pipelines) in side by side relation.
- the housing segments may correspond to separately poured units that are mounted in the tunnel in end to end relation.
- one or more housing segments may be formed integrally with each other as part of a common and continuous unit, rather than as separate components.
- the term housing segment refers to each respective portion of the integral unit that includes one or more bores therethrough with respective bore ends that are exposed for mounting a support frame adjacent thereto.
- the bases 612 that serve as a foundation for the support frames may correspond to a portion of the continuous unit that integrally includes adjacent pairs of housing segments.
- each channel includes eight bearings, four bearings 720 of which are positioned to support the lower portion of the pipeline, and four bearings 722 of which are positioned to guide an upper portion of the pipeline.
- the bearings 720, 722 mounted in each channel correspond to ball transfer type rollers.
- Such bearings may include a load-bearing spherical ball mounted inside a housing, which ball is supported by smaller ball bearings.
- other types and/or numbers of bearings may be used (e.g., contoured roller bearings) that are operative to support and/or guide the pipeline through the channel in the support frame.
- Figure 8 illustrates a cross-sectional view of a tunnel 800 showing the manner in which the support frame 522 may be mounted on a housing segment base 522 adjacent an end 606 of the housing segment 504 through which three pipelines 810, 812, 814 extend therethrough and through respective bores of the support frame.
- the bearings 830 in each channel may be mounted such that directions 832 normal to the most inwardly extending surfaces of their respective rolling elements (i.e., the top of the spherical ball) are orientated substantially radially with respect to the adjacent outer surfaces (and/or central longitudinal axis) of a pipeline 810, 812, 814 that is intended for use with the support frame.
- directions 832 normal to the most inwardly extending surfaces of their respective rolling elements i.e., the top of the spherical ball
- the bearings 830 in each channel may be mounted such that directions 832 normal to the most inwardly extending surfaces of their respective rolling elements (i.e., the top of the spher
- the frame supports are constructed to prevent the pipelines from contacting the inner surfaces of the bores of the housing segments.
- gravity and errors in aligning new pipeline segments may produce a pipeline which sags or bows upwardly a small amount to scrape portions of the inner walls of the bores of the housing segments.
- the lower most portions 840 and the upper 842 most portions of the surfaces of the pipeline may experience the most wear in this regard, which results in non-smooth surfaces in these areas.
- the bearings may be mounted in locations of the support frame that are axially offset from these expected wear zones.
- the lower bearings 720 in each channel may be mounted beneath portions of the lower half of the pipeline (to supportingly receive the pipeline) in locations that are offset from the lower most portion 840 of the outer surface of the pipeline.
- the upper bearings 722 in each channel may be mounted above portions of the upper half of the pipeline in locations that are offset from the upper most portion 842 of the outer surface of the pipeline.
- the bearings may be arranged in other locations around the interior of the channels based on the load support characteristics of the particular application of the pipeline insertion that is involved.
- the lower bearings 720 and upper bearings 722 in each channel may be mounted at positions such that not all of the bearings in a channel are capable of contacting the surfaces of the pipeline at one time.
- a gap will be present between the upper bearings 722 and the surfaces of the pipeline.
- the pipeline includes a portion that bows upwardly in the channel of the support frame to contact the upper bearings 722, there will be a gap between the lower bearings and the surfaces of the pipeline.
- the amount of force required by the insertion device to push a pipeline through the bores of the housing segments will increase as the pipeline is lengthened.
- the lengths of the housing segments and thus the distances between support frames may become shorter in locations farther into the tunnel compared to locations closer to the insertion device.
- the lengths of the housing segments near the entrance to the tunnel adjacent the insertion device may be on the order of ten meters, whereas the lengths of the housing segments four kilometers into the tunnel may be on the order of eight meters, and whereas the lengths of the housing segments eight kilometers into the tunnel may be on the order of six meters.
- the farther the pipeline is pushed into the tunnel there will be an increase in the number of bearings used to support a given length of the pipeline at the leading end of the pipeline (compared to the trailing end).
- the lengths of the housing segments may be substantially uniform for portions and/or all of the length of the desired pipeline.
- the leading end of the pipeline may include a rounded or tapered cap.
- a cap may assist in guiding the leading edge of the pipeline into the channel of a support frame or opening into a bore of a housing segment.
- the described example pipeline insertion system may include a plurality of different sensors on the insertion device. Sensors may also be mounted adjacent one or more of the support frames.
- the described controller may be operatively configured to use the information acquired by such sensors to adjust how the controller operates the insertion device and to provide an operator (or other party) with information on the operation of the system.
- each set of movable portions (e.g., shoes/pads) of the movable clamp device may be associated with a respective pressure sensor that is operative to measure the amount of pressure being placed on the adjacent surfaces of the pipeline by the respective movable portion.
- pressure sensors may correspond to transducers that are respectively mounted in the respective hydraulic circuits for each respective hydraulic cylinder that is used to move the shoes/pads adjacent the surface of the pipeline.
- the insertion device may include a movement sensor that is operative to detect relative movement (i.e., slippage) between the movable clamp device and the pipeline.
- the insertion device may include a thrust sensor that is operative to measure the amount of resistance force that is being experienced by the drives (e.g., hydraulic motors) when moving the pipeline with the movable clamp device.
- a thrust sensor may correspond to a transducer that is mounted in the hydraulic circuits for one or more of the described hydraulic motors that move the movable clamp device.
- alternative embodiments may include other types of sensors (e.g., mechanical, optical, electronic) which carry out corresponding measurements of the pressures, forces, and movements described herein or any other operational characteristics of the system.
- the controller may be operative responsive to the detection of slippage to cause the movable clamp device to provide more gripping force around the pipeline until the slippage of the pipeline ceases. Such additional gripping force may be achieved by causing the one or more of the hydraulic cylinders to direct more pressure acting on different portions of the surface of the pipeline.
- the controller may monitor the resulting pressure detected by the pressure sensor for each hydraulic cylinder so as to adjust each hydraulic cylinder in a manner that ensures that a uniform amount of pressure is being applied to the pipeline.
- the controller may monitor the pressure sensors to determine that the amount of applied gripping force stays below a predetermined maximum threshold.
- the controller may also be operative to cause an output device to output an alarm signal or message responsive to the detection of slippage by the movement sensor and/or the detection by the thrust sensor of an amount force needed by the drives to move the pipeline which approaches (or surpasses) a predetermined maximum threshold.
- Such an alarm signal may be indicative of the pipeline experiencing an intermittent increase in resistance to being pushed through the bores.
- the controller may be operatively configured to be manually instructed via an input through an input device, to cause an amount of gripping force to be applied with the movable clamp device that exceeds the predetermined maximum threshold.
- the controller may be operatively configured to be manually instructed via an input through the input device to cause the insertion device to operate to partially pull the pipeline in a reverse (outwardly) direction, and then begin again pushing the pipeline forward to attempt to move the pipeline passed the position that causes the increased amount of resistance.
- the controller may be operatively configured to adjust the speed of movement of the movable clamp device relative the inserter frame. For example, for some situations, the controller may cause the drives to move the movable clamp device faster to push the pipeline past a position that causes resistance. In other situations, the controller may cause the drives to move the movable clamp device slower until the thrust sensors detect that the resistance forces have decreased.
- Example embodiments may also include other types of sensors or monitoring devices.
- sensors may be used that monitor the amount of wear on the shoes/pads of the movable and/or stationary clamp device.
- example sensors may be used that monitor the amount of wear on the shoes/pads of the movable and/or stationary clamp device. Also, example
- embodiments may include a plurality of video cameras positioned to monitor different operational aspects of the system.
- the system may include a video camera that is positioned to monitor the insertion device, as well as video cameras operative to monitor one or more frame supports. All or portions of the information collected from the video cameras, sensors, and the operational data associated with the controller and the described system may be provided through output devices locally near the system (e.g., in a operation cabin/trailer) or remote from the system (e.g., a workstation connected to the system via network such as the Internet). Also, such information may be collected in one or more data stores for use with analyzing the operational characteristics of the system.
- additional pipeline segments are welded on the end of the pipeline to lengthen the pipeline near the insertion device.
- such additional pipeline segment may be supported by movable supports having rollers and/or lifting mechanism that allow the new pipeline segment to be moved into proper alignment for welding.
- Such additional pipeline segments may also be tested prior to operating the insertion device to move the newly added pipeline segments into the bores of the housing segments.
- an example methodology is illustrated and described associated with the operation of the previously described example pipeline insertion system to insert a pipeline into the bores of housing segments within a tunnel. While the methodology is described as being a series of acts that are performed in a sequence, it is to be understood that the methodologies are not limited by the order of the sequence. For instance, some acts may occur in a different order than what is described herein. In addition, an act may occur concurrently with another act. Furthermore, in some instances, not all acts may be required to implement a methodology described herein.
- some of the acts described herein may be caused by computer- executable instructions that can be implemented by one or more processors and/or stored on a non-transitory computer-readable medium or media.
- the computer- executable instructions may include a routine, a sub-routine, programs, a thread of execution, and/or the like.
- results of acts of the example methodologies may be stored in a computer-readable medium, displayed on a display device, and/or the like.
- the methodology 900 begins at 902, and at 904 includes a step of clamping at least one portion of a pipeline with a movable clamp device included in a pipeline insertion device.
- the method includes moving the movable clamp device with the at least one drive from a first position to a second position in a first direction along the frame, which causes portions of the pipeline to move within bores in a plurality of housing segments and within channels in a plurality of spaced apart support frames.
- the methodology may include a step of releasing the at least one portion of the pipeline from being clamped with the movable clamp device. Also at step 910, the methodology may include a step of moving the movable clamp device with the drive from the second position to the first position in a second direction that is opposite the first direction without moving the pipeline relative to the housing segments and the support frames. In an example embodiment, a further stationary clamp device may be operative to clamp the pipeline and prevent the pipeline from moving while the movable clamp device returns to the first position.
- Steps 904 to 910 correspond to an insertion cycle.
- the methodology may include a step 912 of welding at least one pipeline segment to the pipeline on an end of the pipeline that is outside the bores of the housing segments.
- the described methodology may be repeated a sufficient number of times to insert an increasingly longer pipeline into the housing segments for the distance that is required for the application.
- the described methodology may end.
- the housing segments and support frames may include more than one bore and channel therethrough for use with inserting additional pipeline.
- the described methodology 900 may include repositioning the insertion device with the described hydraulic dollies and jacks so as to align the insertion device with another bore hole. The previously described methodology 900 may then be carried out to insert a further pipeline into the other bore holes in the housing segments.
- This methodology 1000 begins at 1002, and at 1004 includes a step of clamping at least one portion of a pipeline with a movable clamp device included in a pipeline insertion device.
- the method includes moving the movable clamp device with a drive from a second position to a first position in a second direction along a frame, which causes portions of the pipeline to be pulled out of a bore of at least one of a plurality of housing segments and out of a channel of at least one of a plurality of spaced apart support frames.
- the methodology may include a step of releasing the at least one portion of the pipeline from being clamped with the movable clamp device. Also at step 1010, the methodology may include a step of moving the movable clamp device with the drive from the first position to the second position in a first direction without moving the pipeline relative to the housing segments and the support frames.
- a stationary clamp device may be operative to clamp the pipeline and prevent the pipeline from moving while the movable clamp device returns to the first position.
- Steps 1004 to 1010 correspond to an extraction cycle.
- the methodology may include a step 1012 of cutting at least one pipeline segment from the pipeline on an end of the pipeline that has been pulled outside the bores of the housing segments.
- the described methodology may be repeated a sufficient number of times to extract a decreasingly shorter pipeline from the housing segments for the distance that is required for the application.
- the described methodology may end.
- the described methodology 1000 may include repositioning the insertion device with the described hydraulic dollies and jacks so as to align the insertion device with another bore hole. The previously described methodology 1000 may then be carried out to extract a further pipeline from the other bore holes in the housing segments.
- Methodologies 900 and 1000 have been described with respect to a process of inserting or extracting pipelines through bores in housing segments mounted in a bored out tunnel.
- all or portions of the described methodologies and insertion systems may be adapted for use in other environments such as in wetlands and shoreline approaches for pipelines.
- the insertion device may be used to insert or extract a pipeline from the bore holes of other types of pipeline housing segments that may not correspond to floor segments having an upper surface usable as a roadway.
- the element of a housing segment may include other types of structures having one or more bores therein and that can accommodate the placement of the previously described support frames on opposite ends of the bores that extend through housing segments.
- the described at least one processor 112 may be included in a computing device (such as a computer or a dedicated controller) that executes instructions that are stored in a memory as software or firmware.
- the instructions may be, for instance, instructions for causing devices of the described system to operate or instructions for implementing one or more of the methods described above.
- the processor may access the memory by way of a system bus or other type of memory controller/bus.
- the computing device may be a distributed system.
- the processor and several devices may be in communication by way of a network connection and may collectively perform tasks described as being performed by the described systems.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
- Supports For Pipes And Cables (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Automatic Assembly (AREA)
- Electric Cable Installation (AREA)
- Sewage (AREA)
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/508,613 US8727666B2 (en) | 2010-05-28 | 2011-05-27 | Pipeline insertion system |
BR112012012593-1A BR112012012593B1 (en) | 2010-05-28 | 2011-05-27 | DUCT INSERTION SYSTEM AND METHOD FOR MOVING A DUCT USING A DUCT INSERTION SYSTEM |
EP11787503.9A EP2576130B1 (en) | 2010-05-28 | 2011-05-27 | A pipeline insertion system |
RU2012155891/02A RU2561942C2 (en) | 2010-05-28 | 2011-05-27 | Pipeline laying system |
CN201180036699.1A CN103118832B (en) | 2010-05-28 | 2011-05-27 | pipeline insertion system |
CA2807506A CA2807506C (en) | 2010-05-28 | 2011-05-27 | A pipeline insertion system |
HK13109012.0A HK1181705A1 (en) | 2010-05-28 | 2013-08-01 | A pipeline insertion system |
US14/159,049 US9039329B2 (en) | 2010-05-28 | 2014-01-20 | Pipeline insertion system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US34975910P | 2010-05-28 | 2010-05-28 | |
US61/349,759 | 2010-05-28 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/508,613 A-371-Of-International US8727666B2 (en) | 2010-05-28 | 2011-05-27 | Pipeline insertion system |
US14/159,049 Continuation US9039329B2 (en) | 2010-05-28 | 2014-01-20 | Pipeline insertion system |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2011150341A2 true WO2011150341A2 (en) | 2011-12-01 |
WO2011150341A3 WO2011150341A3 (en) | 2012-04-19 |
Family
ID=45004865
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2011/038356 WO2011150341A2 (en) | 2010-05-28 | 2011-05-27 | A pipeline insertion system |
Country Status (9)
Country | Link |
---|---|
US (2) | US8727666B2 (en) |
EP (1) | EP2576130B1 (en) |
CN (1) | CN103118832B (en) |
BR (1) | BR112012012593B1 (en) |
CA (1) | CA2807506C (en) |
CO (1) | CO6660494A2 (en) |
HK (1) | HK1181705A1 (en) |
RU (1) | RU2561942C2 (en) |
WO (1) | WO2011150341A2 (en) |
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WO2020249265A3 (en) * | 2019-06-14 | 2021-03-04 | Wuest Theodor | Pipe coupling applicator and method for producing a coupling |
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- 2011-05-27 RU RU2012155891/02A patent/RU2561942C2/en active
- 2011-05-27 US US13/508,613 patent/US8727666B2/en active Active
- 2011-05-27 WO PCT/US2011/038356 patent/WO2011150341A2/en active Application Filing
- 2011-05-27 CN CN201180036699.1A patent/CN103118832B/en active Active
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2012
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2013
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8628273B2 (en) | 2011-07-29 | 2014-01-14 | Martin Cherrington | Method and apparatus for forcing a pipeline into or out of a borehole |
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WO2020249265A3 (en) * | 2019-06-14 | 2021-03-04 | Wuest Theodor | Pipe coupling applicator and method for producing a coupling |
Also Published As
Publication number | Publication date |
---|---|
CA2807506C (en) | 2016-10-18 |
CO6660494A2 (en) | 2013-04-30 |
CN103118832A (en) | 2013-05-22 |
BR112012012593B1 (en) | 2022-09-20 |
CN103118832B (en) | 2015-09-30 |
RU2012155891A (en) | 2014-07-10 |
US20140133920A1 (en) | 2014-05-15 |
WO2011150341A3 (en) | 2012-04-19 |
US20120230771A1 (en) | 2012-09-13 |
BR112012012593A2 (en) | 2021-06-01 |
EP2576130B1 (en) | 2018-12-19 |
RU2561942C2 (en) | 2015-09-10 |
EP2576130A2 (en) | 2013-04-10 |
US9039329B2 (en) | 2015-05-26 |
EP2576130A4 (en) | 2014-11-12 |
HK1181705A1 (en) | 2013-11-15 |
US8727666B2 (en) | 2014-05-20 |
CA2807506A1 (en) | 2011-12-01 |
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