CN108565784B - Pipeline installation device and application method thereof - Google Patents
Pipeline installation device and application method thereof Download PDFInfo
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- CN108565784B CN108565784B CN201810523857.XA CN201810523857A CN108565784B CN 108565784 B CN108565784 B CN 108565784B CN 201810523857 A CN201810523857 A CN 201810523857A CN 108565784 B CN108565784 B CN 108565784B
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- 238000009434 installation Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 99
- 244000261422 Lysimachia clethroides Species 0.000 claims abstract description 79
- 230000000712 assembly Effects 0.000 claims abstract description 29
- 238000000429 assembly Methods 0.000 claims abstract description 29
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 239000003638 chemical reducing agent Substances 0.000 claims description 10
- 238000010276 construction Methods 0.000 abstract description 5
- 238000005452 bending Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
- H02G1/081—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 pulling means at cable ends, e.g. pulling eyes or anchors
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables
- G02B6/50—Underground or underwater installation; Installation through tubing, conduits or ducts
- G02B6/54—Underground or underwater installation; Installation through tubing, conduits or ducts using mechanical means, e.g. pulling or pushing devices
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Earth Drilling (AREA)
- Sewage (AREA)
Abstract
The invention provides a pipeline installation device, which comprises an underframe and a control system, wherein the upper surface of the underframe is provided with a vertical frame, the upper end of the vertical frame is provided with a first traction mechanism, the lower end of the vertical frame is provided with a second traction mechanism, the upper end of the vertical frame is provided with an arc-shaped gooseneck wheel, the side surface of the vertical frame, which is close to the lower part of one end of the vertical frame, of the gooseneck wheel is provided with a driving mechanism matched with the gooseneck wheel, the driving mechanism is provided with two oppositely arranged tensioning crawler assemblies, the horizontal distance between the two tensioning crawler assemblies is adjusted through an adjusting mechanism, a pipeline channel is arranged between the two crawler assemblies and corresponds to the position of the underframe, and the circumference of the pipeline channel is provided with a telescopic clamping mechanism; the pipeline using method comprises the steps of preparation before starting, conveying and clamping of the head end of the pipeline, pipeline conveying and pipeline tail end conveying. The invention has the advantages of reasonable structure, convenient operation, high safety and reliability and high construction efficiency, and can keep the axis of the pipeline fixed in the laying and installing process.
Description
Technical Field
The invention relates to the technical field of pipeline installation, in particular to a pipeline installation device and a using method thereof.
Background
With further exploration and exploitation of oil and gas resources, composite material pipes with good flexibility, corrosion resistance and easy installation gradually replace metal pipes, and engineering application is increasing in exploitation of land and ocean oil and gas fields. Because the composite flexible pipe has the characteristics of good continuity, long single pipe distance and the like, the requirements on the convenience, the reliability and the safety of the installation device are provided in the construction process of laying and installing. When a long pipeline is paved and installed, phenomena such as excessive bending, unfixed axis and the like are easy to occur, so that the pipeline is damaged, and the construction progress and quality are affected. The above problems are generally solved by using a wire arranging device in the current engineering, especially for laying and installing cables, optical cables and the like. The minimum bending radius of the large-caliber and large-caliber pipelines is generally larger than the diameter of a guide roller of the wire arranging device, and the pipelines are easy to bend excessively in the laying and installing process and damaged. In addition, torsion is easy to form in the laying and installing process of the long-distance pipeline, so that the axis of the pipeline is not fixed, the generated torque directly influences the mechanical property index of the pipeline, and the normal construction progress and engineering quality are difficult to ensure.
Disclosure of Invention
The invention aims to solve the defects of the technology and provides a pipeline installation device which is reasonable in structure, convenient to operate and high in safety and reliability and a use method thereof.
The technical scheme of the invention is as follows:
the utility model provides a pipeline installation device, includes chassis and control system, the chassis upper surface is equipped with the grudging post, the grudging post upper end is equipped with first traction mechanism, the grudging post lower extreme is equipped with second traction mechanism, the grudging post upper end is equipped with the gooseneck wheel, the grudging post side that the gooseneck wheel is close grudging post one end below is equipped with the actuating mechanism that uses with the gooseneck wheel cooperation, actuating mechanism is equipped with two tensioning crawler assemblies of relative setting, horizontal distance between two tensioning crawler assemblies passes through adjustment mechanism adjustment, the position that corresponds the chassis between two tensioning crawler assemblies is equipped with the pipeline passageway, pipeline passageway circumference is equipped with telescopic clamping mechanism, control system passes through the first end of second traction device adjustment pipeline and introduces between two tensioning crawler assemblies and the pipeline passageway on the chassis from the gooseneck wheel, control system is used for driving pipeline to keeping away from the actuating mechanism orientation after the pipeline tip introduced the passageway.
The chassis is equipped with first base, first base is the rectangle skeleton of arranging, first base upper surface is equipped with two third guide rails that are parallel to each other, the cover is equipped with the grudging post support on the third guide rail, the grudging post support is rectangular frame, be equipped with support mechanism between grudging post support upper surface and the grudging post lower extreme, be equipped with ninth hydraulic telescoping rod between first base and the grudging post support, control system adjusts grudging post support, support mechanism, grudging post and the distance between the pipeline passageway through the flexible state of ninth hydraulic telescoping rod.
The support mechanism is provided with a first support, a second support and a rotating shaft which are matched for use, the first support and the second support are in a long strip shape, the first support and the second support are pivoted through the rotating shaft, one end of the first support, which is far away from the rotating shaft, is connected with the upper surface of the stand support, one end of the second support, which is far away from the rotating shaft, is connected with the lower surface of the lower end of the stand, a first hydraulic telescopic rod is arranged between the upper surface of one end, which is far away from the pipeline channel, of the stand support and the corresponding side surface of the stand, and the angle between the stand and the stand support is changed through the first hydraulic telescopic rod and the support mechanism.
The first traction mechanism is provided with a first pulley and a first winch, the first pulley is arranged below the gooseneck wheel and corresponds to the top position of the vertical frame, the first pulley is connected with the corresponding position of the vertical frame through a first pulley support, the first pulley support is provided with a second hydraulic telescopic rod connected with the vertical frame, the first traction mechanism adjusts the working position of the first pulley through adjusting the telescopic state of the second hydraulic telescopic rod, the first winch is arranged on the vertical frame below the first pulley, the end part of a steel wire rope of the first winch is provided with a first hook, the second traction mechanism is provided with a second pulley and a second winch, the second pulley is arranged between the upper end of a pipeline channel and the lower end of the tensioning crawler assembly and corresponds to the position of the vertical frame, the second pulley is connected with the corresponding position of the vertical frame through a second pulley support, the second pulley support is provided with a third hydraulic telescopic rod connected with the vertical frame, the second traction mechanism adjusts the working position of the second pulley through adjusting the telescopic state of the third hydraulic telescopic rod, and the second winch is provided with a second hook above the second rope.
The upper surface of the vertical frame is provided with a gooseneck wheel bracket capable of moving back and forth in the inner and outer directions, the gooseneck wheel is arranged on the upper surface of the gooseneck wheel bracket, a fourth hydraulic telescopic rod is arranged between the gooseneck wheel bracket and the first rail bracket, one end of the fourth hydraulic telescopic rod is connected with the first rail bracket, the other end of the fourth hydraulic telescopic rod is connected with the upper surface of the vertical frame, the side that the grudging post corresponds actuating mechanism is equipped with two parallel actuating mechanism tracks, actuating mechanism is equipped with the casing, the one end cover of casing is established on the actuating mechanism track, one side of casing is equipped with the fifth hydraulic telescoping rod that links to each other with the grudging post, control system adjusts gooseneck wheel and actuating mechanism and pipeline passageway's relative position through the flexible state of control fourth hydraulic telescoping rod and fifth hydraulic telescoping rod.
The upper surface of the stand is provided with two parallel first guide rails, the connecting line horizontal connecting line between the two ends of the gooseneck wheel is parallel to the first guide rails, at least one first sliding block is arranged on the first guide rails, the lower surface of the gooseneck wheel bracket is connected with the upper surface of the corresponding first sliding block, an inclined strut is arranged between the upper surface of the gooseneck wheel bracket and the lower end of the gooseneck wheel, and an eighth hydraulic telescopic rod is arranged between one end, far away from the driving mechanism, of the gooseneck wheel and the inclined strut.
The adjusting mechanism is provided with two second guide rails and a sixth hydraulic telescopic rod, the two second guide rails are relatively arranged in parallel at one end, far away from the vertical frame, of the inner side face, which is vertical to the vertical frame, in the shell, the second guide rails are perpendicular to the vertical frame, at least one second sliding block is arranged on the second guide rails, the surface, far away from the shell, of the second sliding block is provided with a first track support, one end, close to the vertical frame, of the inner side face, which is vertical to the vertical frame, in the shell is provided with a second track support, the two tensioning track assemblies are correspondingly arranged on the first track support and the second track support, the sixth hydraulic telescopic rod is arranged between the side face, far away from the vertical frame, of the first track support and the inner side face, far away from the vertical frame, of the shell, and the horizontal distance between the two track assemblies is adjusted by the control system through the telescopic state of the sixth hydraulic telescopic rod.
The upper end and the lower end of the first track support or the second track support are respectively provided with a rotating wheel, a track is sleeved between the outer circles of the two rotating wheels of the first track support or the second track support, a hydraulic motor and a speed reducer are arranged in the rotating wheels of the track assembly, an output shaft of the speed reducer is connected with the center of the rotating wheel of the first track support or the second track support, and an output shaft of the hydraulic motor is connected with an input shaft of the speed reducer through a coupling.
The pipeline passageway top is equipped with the second base on the chassis, clamping mechanism is equipped with two clamp blocks and two seventh hydraulic telescoping rods, two clamp blocks establish at second base correspond pipeline passageway circumference and with the second base pin joint, the one end of seventh hydraulic telescoping rod links to each other with the second base through the clamp bracket, the other end of seventh hydraulic telescoping rod links to each other with the side that clamp block kept away from pipeline passageway, the distance between two clamp blocks is adjusted through the flexible state of seventh hydraulic telescoping rod to control system.
A method of pipeline use comprising the steps of:
(1) Preparation before starting up
The vertical frame, the vertical frame bracket and the underframe are in a vertical state by adjusting the rotating shaft and the first hydraulic telescopic rod;
(2) Starting up
The gooseneck wheel is in an extending state by adjusting the eighth hydraulic telescopic rod, the distance between the lower end of the gooseneck wheel and a pipeline channel is adjusted by adjusting the extending state of the ninth hydraulic telescopic rod according to the specification of the pipeline, and the lower end of the gooseneck wheel, the two tensioning crawler assemblies and the pipeline channel are in the same straight line by adjusting the extending state of the fourth hydraulic telescopic rod and the fifth hydraulic telescopic rod, so that the second hydraulic telescopic rod, the third hydraulic telescopic rod, the sixth hydraulic telescopic rod and the seventh hydraulic telescopic rod are in a retracting state;
(3) Conveying clamping for head end of pipeline
1) The third hydraulic telescopic rod is in an extending state, one end of a steel cable of the second winch, which is provided with a second hook, is connected with the head end joint of a pipeline to be conveyed in the gooseneck wheel after passing through the second pulley, and the control system controls the second winch to work so that the head end of the pipeline to be conveyed penetrates through a position between the two crawler assemblies and is led to a position above a pipeline channel;
2) An operator takes down the second hook from the head end of the pipeline to be conveyed, the clamping mechanism is in a state of clamping the head end of the pipeline to be conveyed by controlling the seventh hydraulic telescopic rod to be in an extending state, the third hydraulic telescopic rod is in a retracting state, and the sixth hydraulic telescopic rod is in an extending state;
(4) Pipeline transfer
The control system controls the hydraulic motor to enable the pipeline to be conveyed to the position of the pipeline to be installed through the pipeline channel, and the seventh hydraulic telescopic rod of the clamping mechanism is in a retracted state at the moment;
(5) Pipeline end transfer
1) The second hydraulic telescopic rod is in an extending state, one end of a steel cable of the first winch, which is provided with a first hook, is connected with the tail end of a pipeline to be conveyed in the gooseneck wheel after passing through the first pulley, at the moment, the sixth hydraulic telescopic rod is in a retracting state, and the control system controls the first winch to work so that the tail end of the pipeline to be conveyed passes through a space between the two crawler assemblies;
2) The operator removes the first hook from the end joint of the pipeline to be transmitted, and the second hydraulic telescopic rod is in a retracted state;
(6) The operator replaces the large disc wound with the pipeline to be conveyed, and repeats the steps (2) - (5).
The beneficial effects of the invention are as follows: reasonable structure, convenient operation, high safety and reliability and high construction efficiency, and can prevent the excessive bending of the pipeline in the laying and installation process and keep the axis of the pipeline fixed.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
FIG. 3 is an enlarged schematic view of portion B of FIG. 1;
FIG. 4 is an enlarged schematic view of portion C of FIG. 1;
FIG. 5 is a schematic diagram of the head end of a pipeline to be conveyed according to the present invention;
FIG. 6 is an enlarged schematic view of portion A of FIG. 5;
FIG. 7 is an enlarged schematic view of portion B of FIG. 5;
FIG. 8 is an enlarged schematic view of portion C of FIG. 5;
FIG. 9 is an enlarged schematic view of portion D of FIG. 5;
FIG. 10 is a schematic diagram of the end-of-line use configuration to be conveyed in accordance with the present invention;
FIG. 11 is an enlarged schematic view of portion A of FIG. 10;
FIG. 12 is a schematic perspective view of the drive mechanism of the present invention;
fig. 13 is a front view of the uniform cut of fig. 12.
The marks in the figure: 1. the truck frame is characterized by a frame, 2, a stand, 3, a gooseneck mechanism, 4, a drive mechanism, 5, a first traction mechanism, 6, a second traction mechanism, 7, a clamping mechanism, 8, a pipeline to be transferred, 11, a support bar, 12, a second base, 13, a first base, 14, a stand bracket, 15, a first leg, 16, a third rail, 17, a bracket mechanism, 18, a second leg, 21, a first hydraulic telescoping rod, 22, a first pulley frame, 23, a drive mechanism track, 24, a fifth hydraulic telescoping rod, 31, a first rail, 32, a first slider, 33, a gooseneck bracket, 34, a gooseneck, 35, a diagonal brace, 36, an eighth hydraulic telescoping rod, 37, 38, a first fixed block, 39, a pipeline seat, 41, a housing, 42, an adjustment mechanism, 43, a tensioning track assembly, 51, a first pulley, 52, a first winch, 53, 54, 55, 56, 57, 58, first link block, 61, 62, second winch, 63, fourth pulley, 64, second pulley bracket, 65, first mount, 66, 67, fourth pulley bracket, 68, second hook, 71, clamp block, 72, seventh hydraulic telescopic rod, 73, guard bracket, 74, rotating bracket, 171, first bracket, 172, second bracket, 173, shaft, 411, first side plate, 412, second side plate, 413, driving mechanism bracket, 414, ninth hydraulic bracket, 421, second guide rail, 422, second guide rail slider, 423, first track bracket, 424, second track bracket, 425, sixth hydraulic telescopic rod, 431, rotating wheel, 432, 433, hydraulic motor, 434, speed reducer, 711. arc slot 731. Fourteenth hydraulic support, 741. Thirteenth hydraulic support, 4131. Through hole.
Detailed Description
The invention will be further described with reference to the drawings and specific examples to aid in understanding the context of the invention.
As shown in fig. 1-13, the invention provides a pipeline installation device, which comprises a bottom frame 1 and a control system, wherein the bottom frame 1 is provided with two parallel supporting rods 11, the supporting rods 11 are in a strip shape, one end of the upper surfaces of the two supporting rods 11 is provided with a first base 13 and a second base 12, a gap is arranged between the first base 13 and the second base 12, and the first base 13 and the second base 12 are rectangular-row frameworks.
The upper surface of the first base 13 is provided with a vertical support 14, the vertical support 14 is a rectangular frame, the length of the vertical support 14 is smaller than that of the corresponding first base 13, the width of the vertical support 14 is smaller than that of the corresponding first base 13, the upper surface of the framework of the first base 13 between the second base 12 and the vertical support 14 is provided with two first supporting legs 15, the upper surface of the framework of the vertical support 14 corresponding to the first base 13 is provided with six first supporting legs 15, each three first supporting legs 15 are arranged on a straight line, the first supporting legs 15 are provided with through fixing holes, a third guide rail 16 is arranged between every three first supporting legs 15, the end part, close to the second base 12, of the vertical support 14 is sleeved in the fixing holes of the first supporting legs 15, and the two third guide rails 16 are parallel.
Each third guide rail 16 is sleeved with a group of bracket mechanisms 17, each bracket mechanism 17 is provided with a first bracket 171, a second bracket 172 and a rotating shaft 173, each bracket 171 and each second bracket 172 are long-strip-shaped, each first bracket 171 and each second bracket 172 are pivoted through the corresponding rotating shaft 173, one end of each first bracket 171, which is far away from the corresponding rotating shaft 173, is connected with the upper surface of each vertical bracket 14, one end of each second bracket 172, which is far away from the corresponding rotating shaft 1333, is provided with a vertical frame 2, each vertical frame 2 is of a cuboid rib frame structure, and the lower end surface of each vertical frame 2 is connected with one end of each second bracket 172, which is far away from the corresponding rotating shaft 173.
The upper surface of one end of the stand bracket 14, which is close to the second pulley 62, is provided with a second supporting leg 18 matched with the lower end of the stand 2, the second supporting leg 18 is long, when the stand 2 is vertical to the first base 13, the distance between the lower end surface of the stand 2 and the upper surface of the stand bracket 14 is equal to the height of the second supporting leg 18, and when the second supporting leg 18 is used for the stand 2 to be vertical to the first base 13, the stand 2 plays a supporting role.
A first hydraulic telescopic rod 21 is arranged between the upper surface of one end of the vertical frame support 14, which is far away from the first support 171, and the corresponding side surface of the vertical frame 2, the cylinder end of the first hydraulic telescopic rod 21 is connected with the upper surface of the vertical frame support 14 through the first hydraulic support, the cylinder end of the first hydraulic telescopic rod 21 is pivoted with the first hydraulic support, the telescopic rod end of the first hydraulic telescopic rod 21 is connected with the side surface of the lower end of the vertical frame 3 through the second hydraulic support, and the telescopic rod end of the first hydraulic telescopic rod 21 is pivoted with the second hydraulic support.
A ninth hydraulic telescopic rod is arranged between one end of the first base 13 far away from the second pulley 61 and one end of the vertical frame support 14 close to the second pulley 61, the cylinder cover end of the ninth hydraulic telescopic rod is connected with the inner side surface of one end of the first base 13 far away from the second pulley 61 through a seventeenth hydraulic support, the telescopic rod end of the ninth hydraulic telescopic rod is connected with the inner side surface of one end of the vertical frame support 14 close to the second pulley 61 through an eighteenth hydraulic support, the cylinder cover end of the ninth hydraulic telescopic rod is pivoted with the seventeenth hydraulic support, and the telescopic rod end of the ninth hydraulic telescopic rod is pivoted with the eighteenth hydraulic support.
The upper surface of the stand 2 is provided with a gooseneck wheel mechanism 3 capable of moving back and forth in the inner and outer directions, the gooseneck wheel mechanism 3 is provided with two parallel first guide rails 31, the first guide rails 31 are perpendicular to the third guide rails 16, and at least one first sliding block 32 is arranged on each first guide rail.
Preferably, two first sliding blocks 32 are sleeved on each first guide rail 31.
The surface of the first sliding block 32 far away from the guide rail is provided with a gooseneck wheel bracket 33, the gooseneck wheel bracket 33 is a rectangular row framework, the width of the gooseneck wheel bracket 33 is smaller than the width of the vertical frame 2, the length of the gooseneck wheel bracket 33 is larger than the length of the vertical frame 2, namely, one end of the gooseneck wheel bracket 33 close to the second base 12 protrudes out of the vertical frame 2, the upper surface of the gooseneck wheel bracket 33 is provided with a gooseneck wheel 34, the gooseneck wheel 34 is arc-shaped, one end of the gooseneck wheel 34 is connected with one end of the gooseneck wheel bracket 33 close to the second base 12, a diagonal brace 35 is arranged between one end of the diagonal brace 35 and one end of the gooseneck wheel 34 far away from the gooseneck wheel bracket 33, the cylinder end of the eighth hydraulic telescopic link 36 is connected with the diagonal brace 35 through the fifteenth hydraulic bracket, the cylinder end of the eighth hydraulic telescopic link 36 is pivoted with the fifteenth hydraulic bracket, and the telescopic link end of the eighth hydraulic telescopic link 36 is pivoted with the gooseneck wheel 34 through the sixteenth hydraulic bracket.
The gooseneck wheels 34 are internally and uniformly provided with a plurality of axial rollers, and the pipeline 8 to be conveyed is conveyed forwards through the axial rollers.
A fourth hydraulic telescopic rod 37 is arranged between the two first guide rail 31 brackets, the cylinder end of the fourth hydraulic telescopic rod 37 is connected with the upper surface of the vertical frame 2 through a seventh hydraulic bracket, the cylinder end of the fourth hydraulic telescopic rod 37 is pivoted with the seventh hydraulic bracket, a first fixing block 38 is arranged on the lower surface of the gooseneck wheel bracket 33 corresponding to the position of the fourth hydraulic telescopic rod 37, and the telescopic rod end of the fourth hydraulic telescopic rod 37 is connected with the fixing block.
The gooseneck wheel 34 is provided with a pipeline seat 39 near one end of the stand 2, and the side surface of the pipeline seat 39 far away from the second base 12 is connected with the corresponding position of the gooseneck wheel bracket 33.
The upper end of the vertical frame 2 is provided with a first traction mechanism 5, the lower end of the vertical frame 2 is provided with a second traction mechanism 6, a pipeline channel which is penetrated up and down is arranged below the gooseneck wheel 34 and corresponds to the position of the second base 12, a driving mechanism 4 is arranged on the side surface of the vertical frame 2, which is close to the lower end of the vertical frame 2, of the gooseneck wheel 34, and the driving mechanism 4 and the pipeline channel are matched for use.
The first traction mechanism 5 is provided with a first pulley 51, a first winch 52 and a third pulley 53, a pulley frame 22 is arranged at the position, close to the vertical frame 2, of one end of the gooseneck wheel 34, corresponding to the vertical frame 2, the pulley frame 22 protrudes out of one end, close to the second base 12, of the vertical frame 2, the first pulley 51 is arranged on the upper surface of the pulley support 22 below the gooseneck wheel 34, the first pulley 51 is pivoted with the upper surface of the pulley frame 22 through a first pulley support 54, the first pulley 51 is rotatably arranged at one end, far away from the pulley frame 22, of the first pulley support 54, a second hydraulic telescopic rod 55 is arranged between the upper surface of the first pulley support 54 and the upper surface of the pulley frame 22, a first connecting block 58 is arranged on the upper surface of the first pulley support 54, the cylinder end of the second hydraulic telescopic rod 55 is connected with the upper surface of the pulley frame 22 through a third hydraulic support, the telescopic rod end of the second hydraulic telescopic rod 55 is pivoted with the third hydraulic support, and the telescopic rod end of the second hydraulic telescopic rod 55 is connected with the first connecting block 58 through a fourth hydraulic support.
The side of the stand 2 far away from the first pulley 51 is provided with a third pulley 53, the third pulley 53 is connected with the corresponding position of the stand 2 through a third pulley bracket 56, and the third pulley 53 is rotatably arranged at one end of the third pulley bracket 56 far away from the stand 2.
The first winch 52 is arranged below the third pulley 53 at a position corresponding to the vertical frame 2, the first winch 52 is connected with the vertical frame 2 through a first winch bracket, the first winch 52 is provided with a steel cable, and the end part of the steel cable of the first winch 52 is provided with a first hook 57.
The driving mechanism 4 is provided with a shell 41, the shell 41 is a cuboid frame which is transparent up and down and hollow in the interior, the shell 41 is provided with two first side plates 411 and two second side plates 412, the length of the first side plates 411 is greater than that of the second side plates 412, the width of the first side plates 411 is equal to that of the second side plates 412, and the first side plates 411 are arranged at two ends of the corresponding second side plates 412 in parallel and are vertically connected.
The outer side surface of any one second side plate 412 is provided with four driving mechanism brackets 413, the connecting lines between the four driving mechanism brackets 413 are rectangular, one end of the driving mechanism bracket 413, which is far away from the second side plate 412, is provided with a through hole 4131, the center of the second side plate 412 is provided with a ninth hydraulic bracket 414, and the ninth hydraulic bracket 414 is a rectangular plate which is arranged in parallel in two vertical directions.
The side of the stand 2 corresponding to the driving mechanism 4 is provided with two parallel driving mechanism rails 23, the distance between the two driving mechanism rails 23 is equal to the distance between the centers of the through holes 4131 corresponding to the two driving mechanism brackets 413 in the vertical direction, and the shell 41 is sleeved on the driving mechanism rails 23 through the through holes 4131.
The ninth hydraulic support 414 is connected with the corresponding fifth hydraulic telescopic rod 24 at the side surface of the vertical frame 2, the cylinder end of the fifth hydraulic telescopic rod 24 is connected with the corresponding position of the vertical frame 2 through the tenth hydraulic support, the tenth hydraulic support is a rectangular plate which is arranged in parallel in the vertical direction, the cylinder end of the fifth hydraulic telescopic rod 24 is pivoted with the tenth hydraulic support, the telescopic rod end of the fifth hydraulic telescopic rod 24 is connected with the second side plate 412 through the ninth hydraulic support, and the telescopic rod end of the fifth hydraulic telescopic rod 24 is pivoted with the ninth hydraulic support.
The driving mechanism 4 is also provided with an adjusting mechanism 42, and the adjusting mechanism 42 is arranged at one end of the inner cavity of the shell 41 far away from the vertical frame 2.
The adjusting mechanism 42 is provided with two second guide rails 421 and second guide rail sliding blocks 422, the second guide rails 421 are arranged at one end of the first side plate 411, which is far away from the vertical frame 2, the two second guide rails 421 are vertically arranged on the inner surface of the corresponding first side plate 411, the two second guide rails 421 are arranged at the same height of the inner cavity of the shell 41, at least one second guide rail sliding block 422 is arranged on the second guide rails 421, the surface of the second guide rail sliding block 422, which is far away from the second guide rail 421, is provided with a first track support 423, a tensioning track assembly 43 is arranged between the two first track supports, one end of the first side plate 411, which is close to the vertical frame 2, is provided with a second track support 424, the outer side surfaces of the two second track supports 425 are respectively connected with the corresponding positions of the inner side surfaces of the first side plate 411, and the other tensioning track assembly 43 is arranged between the inner side surfaces of the two second track supports 424.
The upper and lower both sides of two second guide rails 421 are equipped with sixth hydraulic telescoping rod 425 respectively, and the cylinder end of sixth hydraulic telescoping rod 425 links to each other perpendicularly with the second curb plate 412 medial surface that keeps away from grudging post 2, and the telescopic rod end of sixth hydraulic telescoping rod 425 links to each other with the lateral surface of first track support 423.
The upper end and the lower end of the tensioning crawler assembly 43 are respectively provided with a rotating wheel 431, a crawler 432 is sleeved between the outer circles of the two rotating wheels 431, a hydraulic motor 433 and a speed reducer 434 are arranged in the rotating wheels 431 at the upper end of the tensioning crawler assembly 43, an output shaft of the hydraulic motor 433 is connected with an input shaft of the speed reducer 434 through a coupler, and an output shaft of the speed reducer 434 is connected with the rotating wheels 431 at the upper end of the tensioning crawler assembly 43.
The second traction mechanism 6 is provided with a second pulley 61, a second winch 62 and a fourth pulley 63, the second pulley 61 is arranged on the vertical frame 2 below the driving mechanism 4 through a second pulley changing bracket 64, the second pulley 61 is rotatably arranged at one end of the second pulley bracket 64 far away from the vertical frame 2, one end of the second pulley bracket 64 close to the vertical frame 2 is connected with the corresponding position of the vertical frame 2 through a first fixing frame 65, and one end of the second pulley bracket 64 close to the vertical frame 2 is pivoted with the first fixing frame 65.
A third hydraulic telescopic rod 66 is arranged between the upper surface of the second pulley bracket 64 and the upper surface of the vertical frame bracket 14, a second connecting block is arranged on the lower surface of the second pulley bracket 64, the cylinder end of the third hydraulic telescopic rod 66 is connected with the corresponding position of the upper surface of the vertical frame bracket 14 through a fifth hydraulic bracket, the cylinder end of the third hydraulic telescopic rod 66 is pivoted with the fifth hydraulic bracket, the telescopic rod end of the third hydraulic telescopic rod 66 is connected with the second connecting block through a sixth hydraulic bracket, and the telescopic rod end of the third hydraulic telescopic rod 66 is pivoted with the sixth hydraulic bracket.
The fourth pulley 63 is arranged at one side of the stand 2 far away from the second pulley 61, the fourth pulley 63 is connected with the corresponding position of the stand 2 through a fourth pulley bracket 67, and the fourth pulley 63 is rotatably arranged at one end of the fourth pulley bracket 67 far away from the stand 2.
The second winch 62 is arranged between the third pulley 63 and the first winch 52 at a position corresponding to the vertical frame 2, the second winch 62 is connected with the vertical frame 2 at a position corresponding to the vertical frame 2 through a second winch bracket, the second winch 62 is provided with a steel cable, and the end part of the steel cable of the second winch 62 is provided with a second hook 68.
The circumference of the pipeline channel is provided with a telescopic clamping mechanism 7, the clamping mechanism 7 is provided with two clamping blocks 71 and two seventh hydraulic telescopic rods 72, the clamping blocks 71 are rectangular blocks, the clamping blocks 71 are provided with arc grooves 711 which are sunken towards the direction far away from the center of the pipeline channel, the arc grooves 711 of the two clamping blocks 71 form cylindrical grooves, the clamping blocks 71 are arranged on the upper surface of the second base 12 corresponding to the upper part of the pipeline channel, the inner side and the outer side of the clamping blocks 71 far away from the center of the pipeline channel are provided with protection frames 73 which are vertically connected with the clamping blocks, the protection frames 73 are right-angled triangle frames, one right-angle side of each protection frame 73 is vertically connected with the upper surface of the second base 12 and the outer surface of the corresponding clamping block 71 respectively, the other right-angle side of each protection frame 73 is provided with a rotary support 74, the rotary support 74 is pivoted with the upper surface of the second base 12, the bottom of the outer side of each rotary support 74 far away from the clamping block 71 is provided with a thirteenth hydraulic support 741, the position of each protection frame 73 far away from the vertical support 2 and close to the second base 12 is provided with a fourteenth hydraulic support 731, and the hydraulic telescopic rods 731 are pivotally connected with the thirteenth hydraulic support 731, and the hydraulic telescopic rods 72 are pivotally connected with the thirteenth hydraulic telescopic rods 72.
The first hydraulic telescopic rod 21 to the ninth hydraulic telescopic rod are respectively provided with a magnetic switch which stretches into place and a magnetic switch which contracts into place.
The control system is provided with a programmable control or industrial personal computer, the in-place magnetic switches and the in-place magnetic switches on the first hydraulic telescopic rod 21-ninth hydraulic telescopic rod are respectively and correspondingly connected with the input ends of the programmable control or industrial personal computer, the hydraulic pipelines of the first hydraulic telescopic rod 21-ninth hydraulic telescopic rod are provided with corresponding hydraulic valves, the hydraulic pipelines of the first hydraulic telescopic rod 21-ninth hydraulic telescopic rod are provided with signal input ends of the corresponding hydraulic valves, the signal input ends of the signal input ends are correspondingly connected with the output ends of the programmable control or industrial personal computer, and the programmable control or industrial personal computer is connected with the hydraulic motor through a control loop.
The control system controls the working states of the first hydraulic telescopic rod 21 to the ninth hydraulic telescopic rod according to the technological process.
The control system adjusts the distance between the two tensioning track assemblies 43 by means of the telescopic state of the sixth hydraulic telescopic rod 425, thereby adjusting the tensioning force between the two tensioning track assemblies 43 through the pipeline 8 to be transferred.
The control system adjusts the distance between the two clamping blocks 71 by the telescopic state of the seventh hydraulic telescopic rod 72.
When the head end of the pipeline 8 to be conveyed is led into the pipeline passage through the second winch 62, the seventh hydraulic telescopic rod 72 is in a stretched-in working state, and the arc-shaped grooves 711 of the two clamping blocks 71 form a cylindrical groove; when the pipeline 8 to be conveyed is broken and the total tension crawler belt 43 is out of control and other accidents occur, the seventh hydraulic telescopic rod 72 is in a stretched working state, the arc-shaped grooves 711 of the two clamping blocks 71 form a cylindrical groove, and the cylindrical groove is used for clamping the pipeline 8 to be conveyed.
When the pipeline 8 to be conveyed is in normal conveying, the seventh hydraulic telescopic rod 72 is in a retracted working state, and when the tail end of the pipeline 8 to be conveyed is led into the pipeline passage through the first winch 52, the seventh hydraulic telescopic rod 72 is in a retracted working state.
The pipeline installation device can be arranged on a vehicle, a support matched with the stand 2 is arranged on the vehicle body, the stand 2 enables an included angle between the stand 2 and the stand bracket 14 to be an acute angle through the rotating shaft 173 and the first hydraulic telescopic rod 21, the stand 2 is in contact with the support, and the stand 2 is in a laying position and is convenient to transport.
Before use, the positions of the in-place magnetic switches and the in-place magnetic switches on the first hydraulic telescopic rod 21 to the eighth hydraulic telescopic rod 36 are adjusted according to the specification of the pipeline 8 to be conveyed.
A method of pipeline use comprising the steps of:
(1) Preparation before starting up
The vertical frame 2 and the underframe 1 are in a vertical state by adjusting the rotating shaft 173 and the first hydraulic telescopic rod 21, namely the control system enables the first hydraulic telescopic rod 21 to be in a stretching state so as to prepare for a conveying pipeline;
(2) Starting up
The gooseneck 34 is in an extending state by adjusting the eighth hydraulic telescopic rod 36, the vertical frame 2 moves on the third guide rail 16 according to the specification of a pipeline and by adjusting the extending state of the ninth hydraulic telescopic rod 21, so that the distance between the lower end of the gooseneck 34 and a pipeline channel is adjusted, the gooseneck wheel bracket 33 drives the gooseneck 34 to move on the first guide rail by adjusting the extending position of the fourth hydraulic telescopic rod 37, so that the position of the lower end of the gooseneck 34 is adjusted, the driving mechanism 4 moves on a driving mechanism rail by adjusting the extending position of the fifth hydraulic telescopic rod 24, so that the position of the driving mechanism 4 in the inner and outer side directions is adjusted, the gooseneck wheel 34 is close to one end of the vertical frame 2, and the position between the two tensioning crawler assemblies 43 and the pipeline channel are in a straight line in the vertical direction, and at the moment, the second hydraulic telescopic rod 55, the third hydraulic telescopic rod 66, the sixth hydraulic telescopic rod 425 and the seventh hydraulic telescopic rod 72 are in a retracting state;
(3) Conveying clamping for head end of pipeline
1) The control system enables the third hydraulic telescopic rod 66 to be in an extending state, an operator sequentially passes through the fourth pulley 63 and the second pulley 61 and then places the steel cable of the second winch 62 and the second hook 68 at a position above the driving mechanism 4, then the operator leads the head end joint of the pipeline 8 to be conveyed to the gooseneck 34 from the pipeline large disc and is connected with the second hook 68 at a position above the two tensioning crawler assemblies 43, and the control system enables the head end of the pipeline 8 to be conveyed to penetrate through a pipeline channel between the two tensioning crawler assemblies 43 by controlling the second winch 62 to work; 2) The operator removes the second hook 68 from the head end of the pipeline 8 to be conveyed, the arcuate slot 711 of the clamping mechanism 7 is in a state of clamping the head end of the pipeline 8 to be conveyed by controlling the seventh hydraulic telescopic rod 72 to be in an extended state, at this time, the control system makes the third hydraulic telescopic rod 66 be in a retracted state, and the control system makes the tensioning crawler assembly 43 far from the stand 2 move towards the direction approaching the stand 2 by controlling the sixth hydraulic telescopic rod 425 to be in an extended state, so as to clamp the pipeline 8 to be conveyed;
(4) Pipeline transfer
The control system controls the hydraulic motor 433 to work so that the pipeline 8 to be conveyed moves downwards to the position where the pipeline to be installed is conveyed through the pipeline passage, and at the moment, the control system makes the seventh hydraulic telescopic rod 72 of the clamping mechanism 7 in a retracted state;
(5) Pipeline end delivery
1) The control system enables the second hydraulic telescopic rod 55 to be in an extending state, the third hydraulic telescopic rod 66 is in a retracting state at the moment, one end of a steel cable of the first winch 52, which is provided with the first hook 57, is connected with a tail end joint of a pipeline 8 to be conveyed in the gooseneck wheel after passing through the third pulley 53 and the first pulley 51 in sequence, at the moment, the control system enables the tensioning crawler assembly 43 far away from the vertical frame 2 to move towards the direction approaching the vertical frame 2 by controlling the sixth hydraulic telescopic rod 425 to be in an extending state, the distance between the two tensioning crawler assemblies 43 is larger than the maximum diameter of the pipeline 8 to be conveyed, and the control system enables the tail end of the pipeline 8 to be conveyed to smoothly pass through the space between the two tensioning crawler assemblies 43 by controlling the first winch 52 to work;
2) The operator removes the first hanger 57 from the end of the pipeline to be installed and the control system brings the second hydraulic telescoping rod 55 into a retracted state;
(6) The operator replaces the large disc wound with the pipeline to be conveyed, and repeats the steps (2) - (5).
However, the foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, so that the substitution of equivalent elements or equivalent variations and modifications within the scope of the invention are intended to fall within the scope of the claims.
Claims (8)
1. A pipeline installation apparatus comprising a chassis and a control system, characterized in that: the upper surface of the underframe is provided with a vertical frame, the upper end of the vertical frame is provided with a first traction mechanism, the lower end of the vertical frame is provided with a second traction mechanism, the upper end of the vertical frame is provided with a gooseneck wheel, the side surface of the vertical frame, which is close to the lower part of one end of the vertical frame, of the gooseneck wheel is provided with a driving mechanism matched with the gooseneck wheel, the driving mechanism is provided with two tensioning crawler assemblies which are oppositely arranged, the horizontal distance between the two tensioning crawler assemblies is adjusted through an adjusting mechanism, the position between the two tensioning crawler assemblies, which corresponds to the underframe, is provided with a pipeline channel, the circumference of the pipeline channel is provided with a telescopic clamping mechanism, the control system adjusts the head end of the pipeline to be led into the pipeline channel between the two tensioning crawler assemblies and on the underframe from the gooseneck wheel through the second traction device, and the control system adjusts the tail end of the pipeline to be led into the pipeline channel between the two tensioning crawler assemblies from the gooseneck wheel through the first traction device, and the driving mechanism is used for driving the pipeline to move towards a direction far away from the driving mechanism after the pipeline end is led into the pipeline channel;
the underframe is provided with a first base, the first base is a rectangular row framework, the upper surface of the first base is provided with two parallel third guide rails, a vertical support is sleeved on the third guide rails, the vertical support is a rectangular frame, a support mechanism is arranged between the upper surface of the vertical support and the lower end of the vertical support, a ninth hydraulic telescopic rod is arranged between the first base and the vertical support, and the control system adjusts the distance between the vertical support, the support mechanism, the vertical support and a pipeline channel through the telescopic state of the ninth hydraulic telescopic rod;
the first traction mechanism is provided with a first pulley and a first winch, the first pulley is arranged below the gooseneck wheel and corresponds to the top position of the vertical frame, the first pulley is connected with the corresponding position of the vertical frame through a first pulley support, the first pulley support is provided with a second hydraulic telescopic rod connected with the vertical frame, the first traction mechanism adjusts the working position of the first pulley through adjusting the telescopic state of the second hydraulic telescopic rod, the first winch is arranged on the vertical frame below the first pulley, the end part of a steel wire rope of the first winch is provided with a first hook, the second traction mechanism is provided with a second pulley and a second winch, the second pulley is arranged between the upper end of a pipeline channel and the lower end of the tensioning crawler assembly and corresponds to the position of the vertical frame, the second pulley is connected with the corresponding position of the vertical frame through a second pulley support, the second pulley support is provided with a third hydraulic telescopic rod connected with the vertical frame, the second traction mechanism adjusts the working position of the second pulley through adjusting the telescopic state of the third hydraulic telescopic rod, and the second winch is provided with a second hook above the second rope.
2. A pipeline installation device according to claim 1, wherein: the support mechanism is provided with a first support, a second support and a rotating shaft which are matched for use, the first support and the second support are in a long strip shape, the first support and the second support are pivoted through the rotating shaft, one end of the first support, which is far away from the rotating shaft, is connected with the upper surface of the stand support, one end of the second support, which is far away from the rotating shaft, is connected with the lower surface of the lower end of the stand, a first hydraulic telescopic rod is arranged between the upper surface of one end, which is far away from the pipeline channel, of the stand support and the corresponding side surface of the stand, and the angle between the stand and the stand support is changed through the first hydraulic telescopic rod and the support mechanism.
3. A pipeline installation device as claimed in any one of claims 1 to 2, wherein: the upper surface of the stand is provided with a gooseneck wheel bracket capable of moving back and forth in the inner and outer directions, the gooseneck wheel is arranged on the upper surface of the gooseneck wheel bracket, a fourth hydraulic telescopic rod is arranged between the gooseneck wheel bracket and the stand, one end of the fourth hydraulic telescopic rod is connected with the lower surface of the gooseneck wheel bracket, the other end of the fourth hydraulic telescopic rod is connected with the upper surface of the stand, the side that the grudging post corresponds actuating mechanism is equipped with two parallel actuating mechanism tracks, actuating mechanism is equipped with the casing, the one end cover of casing is established on the actuating mechanism track, one side of casing is equipped with the fifth hydraulic telescoping rod that links to each other with the grudging post, control system adjusts gooseneck wheel and actuating mechanism and pipeline passageway's relative position through the flexible state of control fourth hydraulic telescoping rod and fifth hydraulic telescoping rod.
4. A pipeline installation device as claimed in claim 3, wherein: the upper surface of the stand is provided with two parallel first guide rails, the connecting line horizontal connecting line between the two ends of the gooseneck wheel is parallel to the first guide rails, at least one first sliding block is arranged on the first guide rails, the lower surface of the gooseneck wheel bracket is connected with the upper surface of the corresponding first sliding block, an inclined strut is arranged between the upper surface of the gooseneck wheel bracket and the lower end of the gooseneck wheel, and an eighth hydraulic telescopic rod is arranged between one end, far away from the driving mechanism, of the gooseneck wheel and the inclined strut.
5. A pipeline installation device as claimed in claim 3, wherein: the adjusting mechanism is provided with two second guide rails and a sixth hydraulic telescopic rod, the two second guide rails are relatively arranged in parallel at one end, far away from the vertical frame, of the inner side face, which is vertical to the vertical frame, in the shell, the second guide rails are perpendicular to the vertical frame, at least one second guide rail sliding block is arranged on the second guide rails, the surface, far away from the shell, of the second guide rail sliding block is provided with a first track support, one end, close to the vertical frame, of the inner side face, which is vertical to the vertical frame, in the shell is provided with a second track support, the two tensioning track assemblies are correspondingly arranged on the first track support and the second track support, the sixth hydraulic telescopic rod is arranged between the side face, far away from the vertical frame, of the first track support and the inner side face, far away from the vertical frame, of the shell, and the control system adjusts the horizontal distance between the two tensioning track assemblies through the telescopic state of the sixth hydraulic telescopic rod.
6. A pipeline installation device according to claim 5, wherein: the upper end and the lower end of the first track support or the second track support are respectively provided with a rotating wheel, a track is sleeved between the outer circles of the two rotating wheels of the first track support or the second track support, a hydraulic motor and a speed reducer are arranged in the rotating wheels of the tensioning track assembly, an output shaft of the speed reducer is connected with the center of the rotating wheel of the first track support or the second track support, and an output shaft of the hydraulic motor is connected with an input shaft of the speed reducer through a coupler.
7. A pipeline installation device as claimed in claim 3, wherein: the chassis is equipped with the second base, clamping mechanism is equipped with two clamping blocks and two seventh hydraulic telescoping rods, two clamping blocks establish at second base correspond pipeline passageway circumference and with second base pin joint, the one end of seventh hydraulic telescoping rod links to each other with the second base through the clamping support, the other end of seventh hydraulic telescoping rod links to each other with the side that clamping block kept away from the pipeline passageway, control system adjusts the distance between two clamping blocks through the flexible state of seventh hydraulic telescoping rod.
8. A method of using a pipeline installation device according to any one of claims 1 to 7, wherein: the method comprises the following steps:
(1) Preparation before starting up
The vertical frame, the vertical frame bracket and the underframe are in a vertical state by adjusting the rotating shaft and the first hydraulic telescopic rod;
(2) Starting up
The gooseneck wheel is in an extending state by adjusting the eighth hydraulic telescopic rod, the distance between the lower end of the gooseneck wheel and a pipeline channel is adjusted by adjusting the extending state of the ninth hydraulic telescopic rod according to the specification of the pipeline, and the lower end of the gooseneck wheel, the two tensioning crawler assemblies and the pipeline channel are in the same straight line by adjusting the extending state of the fourth hydraulic telescopic rod and the fifth hydraulic telescopic rod, so that the second hydraulic telescopic rod, the third hydraulic telescopic rod, the sixth hydraulic telescopic rod and the seventh hydraulic telescopic rod are in a retracting state;
(3) Conveying clamping for head end of pipeline
1) The third hydraulic telescopic rod is in an extending state, one end of a steel cable of the second winch, which is provided with a second hook, is connected with the head end joint of a pipeline to be conveyed in the gooseneck wheel after passing through the second pulley, and the control system controls the second winch to work so that the head end of the pipeline to be conveyed penetrates through a position between the two crawler assemblies and is led to a position above a pipeline channel;
2) An operator takes down the second hook from the head end joint of the pipeline to be conveyed, the clamping mechanism is in a state of clamping the head end of the pipeline to be conveyed by controlling the seventh hydraulic telescopic rod to be in an extending state, the third hydraulic telescopic rod is in a retracting state, and the sixth hydraulic telescopic rod is in an extending state;
(4) Pipeline transfer
The control system controls the hydraulic motor to enable the pipeline to be conveyed to the position of the pipeline to be installed through the pipeline channel, and the seventh hydraulic telescopic rod of the clamping mechanism is in a retracted state at the moment;
(5) Pipeline end transfer
1) The second hydraulic telescopic rod is in an extending state, one end of a steel cable of the first winch, which is provided with a first hook, is connected with the tail end of a pipeline to be conveyed in the gooseneck wheel after passing through the first pulley, at the moment, the sixth hydraulic telescopic rod is in a retracting state, and the control system controls the first winch to work so that the tail end of the pipeline to be conveyed passes through a space between the two crawler assemblies;
2) The operator removes the first hook from the end joint of the pipeline to be transmitted, and the second hydraulic telescopic rod is in a retracted state;
(6) The operator replaces the large disc wound with the pipeline to be conveyed, and repeats the steps (2) - (5).
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| CN201810523857.XA CN108565784B (en) | 2018-05-28 | 2018-05-28 | Pipeline installation device and application method thereof |
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