CN108425644B - Oil pipe transfer device and use method thereof - Google Patents
Oil pipe transfer device and use method thereof Download PDFInfo
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- CN108425644B CN108425644B CN201810147396.0A CN201810147396A CN108425644B CN 108425644 B CN108425644 B CN 108425644B CN 201810147396 A CN201810147396 A CN 201810147396A CN 108425644 B CN108425644 B CN 108425644B
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/14—Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole
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Abstract
The invention relates to the technical field of petroleum engineering equipment, in particular to an oil pipe transfer device and a use method thereof, wherein the oil pipe transfer device comprises a mounting seat, an oil pipe transfer device and an oil pipe shifting device, the oil pipe transfer device capable of placing an oil pipe is arranged on the mounting seat, the oil pipe shifting device capable of guiding the oil pipe to the lower left side from the upper right side is fixedly arranged on the mounting seat corresponding to the left side position of the oil pipe transfer device, and the oil pipe shifting device comprises a bearing seat, a transmission shaft, a bearing body, a shifting wheel and a power driving device; the latter comprises the steps of: the first step is to place the tubing transfer device at the wellhead and to bring the left side of the tubing pick-up device closer to the existing tubing storage device. The automatic transmission device can realize automatic transmission operation of the oil pipe in the left-to-right direction and the right-to-left direction, omits the operation of one post and three posts, has simple operation and convenient use, can reduce the labor intensity without manual carrying, saves time and labor, can realize continuous operation by arranging the oil pipe shifting device, and has high working efficiency.
Description
Technical Field
The invention relates to the technical field of petroleum engineering equipment, in particular to an oil pipe transfer device and a use method thereof.
Background
In conventional workover operations for oil-water wells, the operations of pushing, pulling, and transporting the oil pipe while lifting the oil pipe are typically performed by: the oil lifting pipe is formed by pushing an oil pipe pulley to the forefront end of a slide way through a well repairing post, the oil pipe after the well repairing post is arranged in the oil pipe pulley, the oil pipe pulley can move to the rear end of the slide way by means of potential energy of falling of the oil pipe, when the oil pipe is about to fall down, a person on the well repairing post pulls the oil pipe backwards by using a pipe clamp, when the female buckle end of the oil pipe falls onto the oil pipe slide way completely, the oil pipe elevator is removed by two persons at a wellhead, the oil pipe is pulled backwards again by the third post, the oil pipe is pried onto the pipe bridge after the position of the well repairing post is proper, when the oil pipe of the pipe bridge exceeds two layers, the person on the third post needs to lift the oil pipe onto the pipe bridge by using great force, meanwhile, the danger of people injury caused by sliding of the oil pipe is increased, and finally the person on the second post swings the oil pipe orderly. The lower oil pipe is that the third post of the well is used for parking the oil pipe pulley to the rearmost end of the slideway, the second post and the third post of the well are used for lifting the male buckle end of the oil pipe on the pipe bridge into the oil pipe pulley, the lifted oil pipe drives the pulley to move to the front end of the slideway together, the third post is used for pushing the pulley to the rearmost end of the slideway, and then the third post is matched with the second post to prepare the next oil pipe. The method basically depends on manual pulling and carrying, and has the advantages of high labor intensity of workers, low safety coefficient and high degree of cooperation between the workers. Although the existing oil pipe conveying device in China at present, the slideway adopts hydraulic overturning and straightening, the oil pipe is conveyed onto an oil pipe bridge from an automatic slideway by overturning and throwing, the oil pipe is hooked by a hydraulic shifting hook and then is thrown to the automatic slideway, and the front end or the rear end of the slideway uses a differential mechanism as power for reciprocating of a pulley, so that the following defects exist: (1) The turning over and throwing are too fast, too violent and too rough, and the damage of other mechanisms is easy to cause. (2) Each time an oil pipe is placed on a pipe bridge close to the automatic slideway, the oil pipe is required to be positioned in the moving range of the poking hook, the operation is troublesome, and the efficiency is low; the axial movement speed of the poking hook is too high, and unsafe factors exist in the thrown oil pipe; when encountering a heavier drill rod, the lower drill rod cannot be thrown onto the automatic slideway, and the lower drill rod needs to be manually carried again for adjustment, so that the use limitation is very high; (3) After the differential mechanism is used for a period of time, the contraction force of the differential mechanism is weakened, so that the oil pipe pulley is often not in place and is manually moved; (4) The thin steel wire rope connected with the pulley is easy to be broken; (5) When the lifting and descending oil pipes are switched, the front and back positions of the differential mechanism are required to be changed, so that the working efficiency is reduced.
Disclosure of Invention
The invention provides an oil pipe transfer device and a use method thereof, which overcome the defects of the prior art, and can effectively solve the problems of complex operation, time and labor waste, manual carrying and low working efficiency of the conventional oil pipe transfer operation.
One of the technical schemes of the invention is realized by the following measures: the oil pipe transfer device comprises a mounting seat, an oil pipe transfer device and an oil pipe shifting device, wherein the mounting seat is provided with the oil pipe transfer device capable of placing an oil pipe, the mounting seat corresponding to the left side position of the oil pipe transfer device is fixedly provided with the oil pipe shifting device capable of guiding the oil pipe to the lower left side from the upper right side, the oil pipe shifting device comprises bearing seats, a transmission shaft, a bearing body, a shifting wheel and a power driving device, at least two bearing seats are fixed on the mounting seat corresponding to the left side position of the oil pipe transfer device along the front-back direction at intervals, the transmission shaft sequentially penetrates through the middle parts of all the bearing seats from front to back, and the bearing body is arranged between the transmission shaft and the corresponding bearing seat; at least two poking wheels are fixed on the outer side of the transmission shaft at intervals along the front-back direction, at least one bayonet which can clamp the oil pipe from one side and send the oil pipe out from the other side through overturning of the poking wheels is uniformly distributed on each poking wheel along the circumference, and the distribution directions of the bayonet on all poking wheels are consistent; the mounting seat is fixedly provided with a power driving device capable of driving the transmission shaft to rotate.
The following are further optimizations and/or improvements to one of the above-described inventive solutions:
At least two pushing devices are distributed on the right side of the oil pipe transporting device at intervals along the front-back direction, and a telescopic pushing pipe piston rod is arranged on the left side of each pushing device corresponding to the oil pipe placing height of the oil pipe transporting device.
The left end of the push tube piston rod can be fixed with a push plate, and the left side of the push plate is covered with a buffer cushion.
The bayonet can be in a butt-hook shape, and the bayonet profile above comprises a blocking section which is positioned on the left side and is high on the left and low on the right and a guiding section which is positioned on the right side and is high on the left and low on the right, and the joint of the blocking section and the guiding section is provided with an arc chamfer.
The blocking section and the guiding section can be in a curve shape with smooth transition.
The oil pipe moving device can comprise a sliding rail, a pulley, a receiving limiter and a thrust generator, wherein an installation seat is arranged below the sliding rail, the rear end of the sliding rail is hinged with the installation seat, and a lifting hydraulic cylinder is hinged between the lower side of the front end of the sliding rail and the installation seat; the sliding rail is provided with a pulley capable of freely sliding along the front and rear directions relatively, the front end of the sliding rail is provided with a supporting part, a receiving limiter is arranged in the sliding rail corresponding to the rear side position of the supporting part, the rear part of the sliding rail is provided with a terminal limiting piece, and the sliding rail corresponding to the rear side position of the terminal limiting piece is provided with a thrust generator capable of enabling the pulley to slide forwards to be limited by the receiving limiter by applying instantaneous acting force to the pulley.
The sliding rail can comprise a sliding seat and a rail body, wherein the rail body is arranged in the sliding seat, a telescopic guide rail which can enable the rail body to move back and forth is arranged between the rail body and the sliding seat, a pushing hydraulic cylinder which can push the rail body to move forward is arranged between the rear end of the rail body and the front side of the rear part of the sliding seat, a pulley which can freely slide along the front and back direction relative to the rail body is arranged on the rail body, a receiving limiter is arranged at the front end of the rail body in the rail body corresponding to the rear side position of the supporting part, an end point limiting piece is arranged at the rear part of the rail body, a pushing generator is arranged on the sliding seat corresponding to the rear side position of the end point limiting piece, the rear end of the sliding seat is hinged with the mounting seat, and a lifting hydraulic cylinder is hinged between the lower side of the front end of the sliding seat and the mounting seat.
The end point limiting part can be a baffle, a through hole is formed in the middle of the baffle, the thrust generator is a thrust cylinder, and a trolley piston rod which can penetrate through the through hole forwards and act on the rear end of the trolley is arranged at the front end of the thrust cylinder.
The sliding rail corresponding to the front side of the supporting part can be provided with a rotatable pulley which is in a spindle shape.
The top surface of the pulley can be covered with a profiling protective layer, and the profiling protective layer is a copper sheet covering layer or a rubber covering layer.
The upper end of the supporting part can be provided with a supporting opening which is big in top and small in bottom, the middle of the top of the pulley is provided with a groove which is in the same shape as the supporting opening, and protruding edges are distributed in the groove at intervals along the front and back directions.
The receiving limiter can be a cylinder with a backward opening, the front end of the pulley is fixed with a push rod which can be clamped into the cylinder, and an elastic sleeve which can generate radial deformation is arranged between the cylinder and the push rod; the rear end of the pulley is fixed with a dowel bar.
The lower part of the installation seat is provided with a base with an upward opening, the installation seat is positioned in the base, a lifting guide rail which can enable the installation seat to move up and down relative to the base is arranged between the installation seat and the base, and two lifting hydraulic cylinders are distributed between the lower part of the installation seat and the base along the front-back direction at intervals.
The left side of the oil pipe transporting device corresponding to the front side or the rear side of each shifting wheel can be fixedly provided with a guide plate, the right end of the guide plate is matched with the top surface of the oil pipe transporting device in height, the left end of the guide plate is matched with the right end of a bayonet of which the opening faces the oil pipe transporting device in height, and the top surface of the guide plate is in a smooth transition curved surface shape.
The second technical scheme of the invention is realized by the following measures: the application method of the oil pipe transmission device comprises the following steps:
the method comprises the steps of firstly, placing an oil pipe transfer device at a wellhead, and enabling the left side of an oil pipe shifting device to be close to an existing oil pipe storage device;
secondly, carrying out oil pipe lifting operation, which specifically comprises the following steps: in the initial state, limiting the pulley and the receiving limiter, enabling a group of corresponding bayonets to face the oil pipe transporting device, enabling the bayonets to be matched with each other in height, enabling the sending-out position of the bayonets when the poking wheel rotates anticlockwise to be matched with the height of the oil pipe storage device, placing one end of the oil pipe on the pulley after the oil pipe is lifted by an operator, then lowering the other end of the oil pipe, enabling the pulley to slide backwards to a terminal point under the action force of lowering the oil pipe, placing the front end of the oil pipe on the supporting part, completing the operation of placing the oil pipe on the oil pipe transporting device, starting the pushing device, starting the power driving device and the pushing force generator after pushing the oil pipe to the corresponding bayonets leftwards, enabling the power driving device to drive the transmission shaft to rotate anticlockwise, enabling the pushing force generator to apply forward force to the pulley to limit the receiving limiter, and returning to the initial state, and waiting for the operation of lifting the oil pipe next time; or, carrying out the lowering operation of the oil pipe, specifically: in the initial state, the right end of the oil pipe storage device is provided with an oil pipe, the pulley is positioned at the end point of the rear part of the sliding rail, the sliding rail is in a front high and rear low shape, a group of bayonets corresponding to the front and rear parts face the oil pipe storage device, the heights of the bayonets are matched, the sending-out position of the group of bayonets when the poking wheel rotates clockwise is matched with the height of the oil pipe moving device, the driving power driving device is driven to drive the poking wheel to rotate clockwise, so that the oil pipe positioned at the right end of the oil pipe storage device is clamped into the corresponding bayonets and is driven to slide onto the oil pipe moving device in the clockwise direction, at the moment, the front end and the rear end of the oil pipe are respectively arranged on the supporting part and the pulley, the front end of the oil pipe is lifted by an operator, the oil pipe is dragged forwards, at the moment, the rear end of the oil pipe is driven to move the pulley forwards together, and the pulley does not need to be limited by taking the oil pipe in the process, and after the oil pipe is taken down, the oil pipe is driven to fall back to the initial position along the inclined sliding rail under the action of gravity, and the action of the oil pipe is waited for the operation of next oil pipe to be lowered.
The automatic transmission device has reasonable and compact structure, can realize automatic transmission operation of the oil pipe from left to right and from right to left through the linkage of the oil pipe moving device and the oil pipe shifting device and the cooperation of the pipe pushing device, can enable the pulley to reset automatically in the operation of lifting the oil pipe by adding the thrust generator, saves the operation of one post and three posts, has simple operation and convenient use, can reduce the labor intensity without manual carrying, saves time and labor, and has high working efficiency.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention.
Fig. 2 is a schematic view of a right-side view partially in section of the lifting hydraulic cylinder of fig. 1 in a lifted state.
Fig. 3 is a schematic view of a front view of the thumb wheel of fig. 1 in an enlarged configuration.
The codes in the drawings are respectively: 1 is a mounting seat, 2 is a bearing seat, 3 is a transmission shaft, 4 is a thumb wheel, 5 is a power driving device, 6 is a pipe pushing device, 7 is a bayonet, 8 is an interception section, 9 is a guide section, 10 is a pulley, 11 is a receiving limiter, 12 is a thrust cylinder, 13 is a lifting hydraulic cylinder, 14 is a supporting part, 15 is a terminal limiting part, 16 is a sliding seat, 17 is a track body, 18 is a base, 19 is a trolley piston rod, 20 is a pulley, 21 is a supporting opening, 22 is a convex edge, 23 is a push rod, 24 is a dowel bar, and 25 is a guide plate.
Detailed Description
The present invention is not limited by the following examples, and specific embodiments can be determined according to the technical scheme and practical situations of the present invention.
In the present invention, for convenience of description, the description of the relative positional relationship of each component is described according to the layout manner of fig. 1 of the specification, for example: the positional relationship of the front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.
The invention is further described below with reference to examples and figures:
Embodiment one: as shown in figures 1, 2 and 3, the oil pipe transfer device comprises a mounting seat 1, an oil pipe transfer device and an oil pipe shifting device, wherein the mounting seat 1 is provided with the oil pipe transfer device capable of placing an oil pipe, the mounting seat 1 corresponding to the left side position of the oil pipe transfer device is fixedly provided with the oil pipe shifting device capable of guiding the oil pipe from the upper right side to the lower left side, the oil pipe shifting device comprises a bearing seat 2, a transmission shaft 3, a bearing body, a shifting wheel 4 and a power driving device 5, at least two bearing seats 2 are fixed on the mounting seat 1 corresponding to the left side position of the oil pipe transfer device along the front-back direction at intervals, the transmission shaft 3 sequentially penetrates through the middle parts of all the bearing seats 2 from front to back, a bearing body is arranged between the transmission shaft 3 and the corresponding bearing seat 2; at least two poking wheels 4 are fixed on the outer side of the transmission shaft 3 at intervals along the front-back direction, at least one bayonet 7 which can clamp an oil pipe from one side and send the oil pipe out from the other side through overturning the poking wheels 4 is uniformly distributed on each poking wheel 4 along the circumference, and the distribution directions of the bayonet 7 on all poking wheels 4 are uniform; the power driving device 5 capable of driving the transmission shaft 3 to rotate is fixed on the mounting seat 1. In the use process, the left side of the oil pipe shifting device can be provided with the existing oil pipe storage device, such as an oil pipe bridge and the like, when oil pipes are required to be shifted from the oil pipe shifting device to the oil pipe storage device, a group of bayonets 7 corresponding to the front and the back face the oil pipe shifting device, the heights of the bayonets 7 are matched, the sending-out position of the group of bayonets 7 when the shifting wheel 4 rotates anticlockwise is matched with the height of the oil pipe storage device, and at the moment, after the oil pipes positioned on the oil pipe shifting device are conveyed to the corresponding bayonets 7, the transmission shaft 3 can be driven to rotate anticlockwise by driving the power driving device 5, so that the oil pipes can be conveyed to the oil pipe storage device; when the oil pipe on the oil pipe storage device is required to be shifted to the oil pipe transporting device, a group of bayonets 7 corresponding to the front and the back are oriented to the oil pipe storage device, the heights of the bayonets 7 are matched, the sending-out position of the group of bayonets 7 when the shifting wheel 4 rotates clockwise is matched with the height of the oil pipe transporting device, at the moment, the shifting wheel 4 can be driven to rotate clockwise by driving the power driving device 5, so that the oil pipe positioned at the right end of the oil pipe storage device is clamped into the corresponding bayonets 7, and the oil pipe is driven to slide to the oil pipe transporting device in the clockwise direction; the automatic transmission device has reasonable and compact structure, realizes automatic transmission operation of the oil pipe in the left-right direction and the right-left direction through the linkage of the oil pipe moving device and the oil pipe shifting device, has simple operation and convenient use, can reduce the labor intensity without manual transportation, saves time and labor, can realize continuous operation through the arrangement of the oil pipe shifting device, and has high working efficiency. According to the requirement, the power driving device 5 can adopt the prior known technology, for example, the power driving device 5 comprises a hydraulic motor and a transmission assembly, the hydraulic motor is fixedly arranged on the mounting seat 1, and the transmission assembly is arranged between the hydraulic motor and the transmission shaft 3; the hydraulic motor can be driven to drive the transmission shaft 3 to rotate through the transmission assembly; wherein, the transmission assembly can adopt the prior known technology, such as chain wheel transmission, gear transmission or belt wheel transmission, etc.; three poking wheels 4 can be fixed on the transmission shaft 3 at equal intervals along the front and back directions, and three bayonets 7 can be uniformly distributed on each poking wheel 4 along the circumference, so that the poking wheels 4 have good supporting effect on the oil pipe, and the poking wheels 4 can realize poking and conveying of the oil pipe by 120 degrees through each rotation of the poking wheels 7.
The oil pipe transmission device can be further optimized or/and improved according to actual needs:
As shown in fig. 1 and 2, at least two tube pushers 6 are distributed on the right side of the tube transfer device at intervals along the front-back direction, and telescopic tube pushing piston rods are arranged on the left side of each tube pusher 6 corresponding to the tube placement height of the tube transfer device. Therefore, the pushing tube device 6 can be driven to enable the pushing tube piston rod to extend leftwards, so that the oil tube is pushed into the bayonet 7 of the oil tube pushing device, the oil tube can be slowly pushed through controlling the extending force of the pushing tube piston rod, and damage to the oil tube or other parts is reduced. The tube pushing device 6 can adopt the prior known technology, such as a cylinder, etc., according to the requirement; the number of the tube pushers 6 can be two, and the control of the tube pushers 6 can be linkage control, that is, all the tube pushers 6 realize synchronous operation.
As shown in fig. 1 and 2, a push plate is fixed at the left end of a push tube piston rod, and a cushion pad is covered on the left side of the push plate. According to the requirement, the push plate can be in the existing known shape, such as an arc plate matched with the outer wall of the oil pipe, so that the stressed area of the oil pipe can be enlarged, and the damage is reduced; the cushion pad may be a flexible pad such as a rubber layer or a soft metal sheet such as a copper sheet, which is known in the art, thereby further protecting the oil pipe.
As shown in fig. 1,2 and 3, the bayonet 7 is in a butt-hook shape, the profile of the bayonet 7 positioned above comprises an interception section 8 positioned at the left side and low at the left and right and a guide section 9 positioned at the right side and high at the left and right, and the joint of the interception section 8 and the guide section 9 is provided with an arc chamfer. For the bayonet 7 distributed in this way, the tubing can enter from the upper right through the bayonet 7 situated above and be guided out from the lower left through the anticlockwise rotation of the thumbwheel 4, in particular: the oil pipe can slide into the bayonet 7 from right to left along the guide section 9 from right and is limited in the bayonet 7 through the interception section 8, when the oil pipe needs to be sent out, the driving shaft 3 can drive the poking wheel 4 to anticlockwise direction by controlling the power driving device 5, and when the interception section 8 anticlockwise rotates to incline to left and lower, the oil pipe slides out to left and lower along the interception section 8; the oil pipe can also enter from the lower left through the bayonet 7 on the left and be led out from the upper right by rotating the thumb wheel 4 clockwise, in particular as described above.
As shown in fig. 1,2 and 3, the blocking section 8 and the guiding section 9 each have a smoothly transitional curve shape. Therefore, the oil pipe can slowly slide into the bayonet 7 or slowly slide out of the bayonet 7, and the oil pipe is protected.
As shown in fig. 1 and 2, the oil pipe transporting device comprises a sliding rail, a pulley 10, a receiving limiter 11 and a thrust generator, wherein an installation seat 1 is arranged below the sliding rail, the rear end of the sliding rail is hinged with the installation seat 1, and a lifting hydraulic cylinder 13 is hinged between the lower side of the front end of the sliding rail and the installation seat 1; the pulley 10 capable of freely sliding along the front and back directions relative to the pulley is arranged on a sliding rail, a supporting part 14 is arranged at the front end of the sliding rail, a receiving limiter 11 is arranged in the sliding rail corresponding to the rear side position of the supporting part 14, a terminal limiting part 15 is arranged at the rear part of the sliding rail, and a thrust generator capable of enabling the pulley 10 to slide forwards to be limited by the receiving limiter 11 by applying instantaneous acting force to the pulley 10 is arranged on the sliding rail corresponding to the rear side position of the terminal limiting part 15. Therefore, the lifting operation of the front end of the sliding rail can be realized through the control of the lifting hydraulic cylinder 13; when the oil pipe transporting device is used, the front end of the sliding rail is positioned at one side of the wellhead position, so that an operator can conveniently perform construction operation; when the oil pipe is lifted, the pulley 10 and the receiving limiter 11 can be limited to be used as initial states, when an operator lifts the oil pipe, one end of the oil pipe can be placed on the pulley 10, then the other end of the oil pipe is lowered, at the moment, the pulley 10 slides backwards to a terminal point under the action force of the oil pipe, at the moment, the front end of the oil pipe is placed on the supporting part 14, when the oil pipe is removed from the supporting part 14 and the pulley 10, the thrust generator can be started, forward action force can be applied to the pulley 10, the pulley 10 can slide forwards to be limited by the receiving limiter 11, the initial states are restored, the next oil pipe lifting operation is waited, in the operation before the oil pipe is removed, the sliding rail can be made to be in a front-high rear-low inclined state by controlling the lifting hydraulic cylinder 13, the operation of the oil pipe placed on the oil pipe is more convenient and labor-saving, when the lifting hydraulic cylinder 13 can be controlled to make the sliding rail be in a horizontal state, and at the moment, the thrust generator 6 can be driven to enable the thrust pipe piston rod to push the oil pipe into the corresponding bayonet 7; when the operation of lowering the oil pipe into the well is carried out, the pulley 10 can be positioned at the end point of the rear part of the sliding rail as an initial state, the sliding rail is in a front high and rear low shape, when the oil pipe to be lowered is placed on the supporting part 14 and the pulley 10, an operator can lift the front end of the oil pipe and drag the oil pipe forwards, and at the moment, the rear end of the oil pipe drives the pulley 10 to move forwards together, so that the operator can conveniently and easily take down the oil pipe from the oil pipe, and because the oil pipe is only needed to be taken in the process, the pulley 10 and the receiving limiter 11 do not need to be limited, after the oil pipe is taken down, the pulley 10 falls back to the initial position along the inclined sliding rail under the action of gravity, and waits for the operation of lowering the oil pipe next time; according to the invention, the pulley 10 can be reset automatically in the operation of lifting the oil pipe by adding the thrust generator, so that the operation of one post and three posts is omitted, the operation is simple, the use is convenient, the time and the labor are saved, the potential safety hazard can be eliminated, the operation time is shortened, and the working efficiency is improved.
As shown in fig. 1 and 2, the sliding track comprises a sliding seat 16 and a track body 17, the track body 17 is installed in the sliding seat 16, a telescopic guide rail capable of enabling the track body 17 to move forwards and backwards is arranged between the track body 17 and the front side of the rear part of the sliding seat 16, a pushing hydraulic cylinder capable of pushing the track body 17 to move forwards is arranged between the rear end of the track body 17 and the front side of the rear part of the sliding seat 16, a pulley 10 capable of freely sliding forwards and backwards relative to the track body 17 is installed on the track body 17, a supporting part 14 is positioned at the front end of the track body 17, a receiving limiter 11 is arranged in the track body 17 corresponding to the rear side position of the supporting part 14, a terminal limiting part 15 is arranged at the rear part of the track body 17, a pushing force generator is arranged on the sliding seat 16 corresponding to the rear side position of the terminal limiting part 15, the rear end of the sliding seat 16 is hinged with the mounting seat 1, and a lifting hydraulic cylinder 13 is hinged between the lower side of the front end of the sliding seat 16 and the mounting seat 1. The rail body 17 can be driven to move forwards relative to the sliding seat 16 by pushing the hydraulic cylinder, so that the oil pipe can be sent to a position convenient for an operator to take in the operation of lowering the oil pipe into the well. According to the requirement, the rail body 17 may include a left sliding rail and a right sliding rail, and rollers are respectively disposed between the left sliding rail and the left side of the lower portion of the pulley 10 and between the right sliding rail and the right side of the lower portion of the pulley 10, so that the pulley 10 can move more smoothly relative to the sliding rail; the rollers can be mounted in a hidden mode by adopting the prior known technology, so that the rollers can be prevented from being polluted by oil sludge, sand and the like in long-term use, and the rollers can roll smoothly.
As shown in fig. 1 and 2, the end limiting member 15 is a baffle, a through hole is formed in the middle of the baffle, the thrust generator is a thrust cylinder 12, and a trolley piston rod 19 capable of penetrating through the through hole forward and acting on the rear end of the trolley 10 is arranged at the front end of the thrust cylinder 12. The push cylinder 12 is controlled to realize the rapid expansion and contraction of the trolley piston rod 19, so that instantaneous power can be provided for the trolley 10 through the trolley piston rod 19, and the trolley 10 slides forwards to limit with the receiving limiter 11 under the action of the instantaneous power; the baffle arrangement may provide end point positioning for the sled 10.
As shown in fig. 1 and 2, a rotatable pulley 20 is mounted on a sliding rail corresponding to the front side of the support portion 14, and the pulley 20 has a spindle shape. The oil pipe can be guided by the pulley 20, so that the oil pipe can be lifted and lowered more smoothly. When the sliding rail includes the sliding seat 16 and the rail body 17, the pulley 20 may be mounted on the rail body 17 according to the need.
As shown in fig. 1 and 2, the top surface of the pulley 10 is covered with a profiling protective layer, which is a copper sheet covering layer or a rubber covering layer. The profiling protective layer can cover the top surface of the pulley 10 along the outline of the top of the pulley 10 in a sticking or fixing mode, and the like, so that the profiling protective layer can protect the oil pipe or/and the oil pipe buckle and prevent damage.
As shown in fig. 1 and 2, the upper end of the supporting part 14 is provided with a supporting opening 21 with a trapezoid shape with a big top and a small bottom, the middle of the top of the pulley 10 is provided with a groove with the same shape as the supporting opening 21, and convex edges 22 are distributed in the groove at intervals along the front and back directions. The supporting opening 21 and the groove are in a trapezoid shape with a large upper part and a small lower part, so that the oil pipe can be conveniently placed in the supporting opening, the oil pipe can be limited, the oil pipe is prevented from slipping, and the protruding edges 22 are arranged to facilitate the pulley 10 and the oil pipe to synchronously move. The raised edges 22 should be located below the contoured protective layer as desired.
As shown in fig. 1 and 2, the receiving limiter 11 is a cylinder with a backward opening, the front end of the pulley 10 is fixed with a push rod 23 which can be clamped into the cylinder, and an elastic sleeve which can generate radial deformation is arranged between the cylinder and the push rod 23; a dowel bar 24 is secured to the rear end of the sled 10. Therefore, the limit function of the cylinder body to the ejector rod 23 can be realized through the elastic sleeve, and the ejector rod 23 is convenient to separate from the cylinder body when the ejector rod 23 receives external force along with the pulley 10; the provision of the dowel 24 may facilitate the thrust generator to apply a transient force. According to the requirement, the elastic sleeve can adopt the prior known technology, such as a rubber sleeve and the like.
As shown in fig. 1 and 2, a base 18 with an upward opening is arranged below the mounting seat 1, the mounting seat 1 is positioned in the base 18, a lifting guide rail which can enable the mounting seat 1 to move up and down relative to the base 18 is arranged between the mounting seat 1 and the base 18, and two lifting hydraulic cylinders are distributed between the lower side of the mounting seat 1 and the base 18 along the front-back direction at intervals. Therefore, the integral lifting operation of the mounting seat 1 and the sliding rail is realized through the arrangement of the lifting hydraulic cylinder, and when the lifting hydraulic cylinder is used, the lifting hydraulic cylinder can be controlled to enable the oil pipe on the sliding rail to be capable of keeping the adaptive height with the top of the oil pipe storage device, so that the oil pipe pushing device 6 can push the oil pipe to the oil pipe storage device stably.
As shown in fig. 1 and 2, a guide plate 25 is fixed on the left side of the oil pipe transporting device corresponding to the front side or the rear side of each thumb wheel 4, the right end of the guide plate 25 is matched with the top surface of the oil pipe transporting device, the left end of the guide plate 25 is matched with the right end of a bayonet 7 with an opening facing the oil pipe transporting device, and the top surface of the guide plate 25 is in a smoothly transitional curved surface shape. Therefore, the oil pipe on the oil pipe transporting device can be guided into the corresponding bayonet 7 through the guide plate 25, accurate butt joint of oil pipe transmission is ensured, stability of oil pipe transmission is further improved, and good protection effect is achieved on the oil pipe.
Embodiment two: as shown in fig. 1,2 and 3, the application method of the oil pipe transmission device comprises the following steps:
the method comprises the steps of firstly, placing an oil pipe transfer device at a wellhead, and enabling the left side of an oil pipe shifting device to be close to an existing oil pipe storage device;
Secondly, carrying out oil pipe lifting operation, which specifically comprises the following steps: in the initial state, the pulley 10 and the receiving limiter 11 are limited, a group of bayonets 7 corresponding to the front and the back face the oil pipe transporting device, the heights of the bayonets 7 are matched, the sending-out position of the group of bayonets 7 when the poking wheel 4 rotates anticlockwise is matched with the height of the oil pipe storage device, when an operator lifts the oil pipe, one end of the oil pipe is placed on the pulley 10, then the other end of the oil pipe is lowered, at the moment, the pulley 10 slides backwards to the end point under the action force of lowering the oil pipe, then the front end of the oil pipe is placed on the supporting part 14, thus completing the operation of placing the oil pipe on the oil pipe transporting device, then starting the pushing device, starting the power driving device 5 and the thrust generator after pushing the oil pipe to the corresponding bayonets 7 leftwards, driving the transmission shaft 3 to anticlockwise rotate, so that the oil pipe is sent to the oil pipe storage device, the thrust generator 10 is applied with forward force, the pulley 10 can slide forwards to limit the receiving limiter 11, the initial state is restored, and the operation of lifting next time is waited; or, carrying out the lowering operation of the oil pipe, specifically: in the initial state, the right end of the oil pipe storage device is provided with an oil pipe, the sliding rail 10 is positioned at the end point of the rear part of the sliding rail, the sliding rail is in a front-high and rear-low shape, a group of bayonets 7 corresponding to the front and rear parts are oriented to the oil pipe storage device, the heights of the bayonets 7 are matched, the sending-out position of the group of bayonets 7 when the poking wheel 4 rotates clockwise is matched with the height of the oil pipe transfer device, the driving power driving device 5 drives the poking wheel 4 to rotate clockwise, so that the oil pipe positioned at the right end of the oil pipe storage device is clamped into the corresponding bayonets 7, the oil pipe is driven to slide onto the oil pipe transfer device in the clockwise direction, at the moment, the front end and the rear end of the oil pipe are respectively seated on the supporting part 14 and the pulley 10, the front end of the oil pipe is lifted by an operator, the front end of the oil pipe is driven to move forward along the pulley 10, and the rear end of the oil pipe is driven to move the pulley 10, and the oil pipe is only needed to take the oil pipe in the process, the limit is not needed to be realized by the receiving limiter 11, and after the oil pipe is taken down, the oil pipe is driven to slide down in the initial shape along the inclined sliding rail and falls down to the initial position for one time. Therefore, the oil pipe transfer operation can be completed, the whole process is realized by mechanical automation, time and labor are saved, and the oil pipe transfer operation is convenient and quick.
The technical characteristics form the embodiment of the invention, have stronger adaptability and implementation effect, and can increase or decrease unnecessary technical characteristics according to actual needs so as to meet the requirements of different situations.
Claims (11)
1. The oil pipe transfer device is characterized by comprising a mounting seat, an oil pipe transfer device and an oil pipe shifting device, wherein the mounting seat is provided with the oil pipe transfer device capable of placing an oil pipe, the mounting seat corresponding to the left side position of the oil pipe transfer device is fixedly provided with the oil pipe shifting device capable of guiding the oil pipe to the lower left side from the upper right side, the oil pipe shifting device comprises bearing seats, a transmission shaft, a bearing body, shifting wheels and a power driving device, at least two bearing seats are fixed on the mounting seat corresponding to the left side position of the oil pipe transfer device at intervals along the front-back direction, the transmission shaft sequentially penetrates through the middle parts of all the bearing seats from front to back, and a bearing body is arranged between the transmission shaft and the corresponding bearing seat; at least two poking wheels are fixed on the outer side of the transmission shaft at intervals along the front-back direction, at least one bayonet which can clamp the oil pipe from one side and send the oil pipe out from the other side through overturning the poking wheels is uniformly distributed on each poking wheel along the circumference, and the distribution directions of the bayonets on all poking wheels are consistent; a power driving device capable of driving the transmission shaft to rotate is fixed on the mounting seat; at least two pushing devices are distributed on the right side of the oil pipe moving device at intervals along the front-back direction, and a telescopic pushing pipe piston rod is arranged on the left side of each pushing device corresponding to the oil pipe placing height of the oil pipe moving device; the bayonet is in a butt-hook shape, and the bayonet profile positioned above the bayonet comprises a blocking section positioned at the left side and low in the left and right directions and a guiding section positioned at the right side and high in the left and right directions, and the joint of the blocking section and the guiding section is provided with an arc chamfer; the blocking section and the guiding section are in a smooth transition arc shape; the oil pipe moving device comprises a sliding rail, a pulley, a receiving limiter and a thrust generator, wherein an installation seat is arranged below the sliding rail, the rear end of the sliding rail is hinged with the installation seat, and a lifting hydraulic cylinder is hinged between the lower side of the front end of the sliding rail and the installation seat; the sliding rail is provided with a pulley capable of freely sliding along the front and rear directions relatively, the front end of the sliding rail is provided with a supporting part, a receiving limiter is arranged in the sliding rail corresponding to the rear side position of the supporting part, the rear part of the sliding rail is provided with a terminal limiting piece, and the sliding rail corresponding to the rear side position of the terminal limiting piece is provided with a thrust generator capable of enabling the pulley to slide forwards to be limited by the receiving limiter by applying instantaneous acting force to the pulley.
2. The oil pipe transfer apparatus of claim 1 wherein a push plate is secured to a left end of the push tube piston rod, the push plate being covered on a left side with a cushion pad.
3. The oil pipe transfer device according to claim 1 or 2, wherein the sliding rail comprises a sliding seat and a rail body, the rail body is installed in the sliding seat and provided with a telescopic guide rail capable of enabling the rail body to move forwards and backwards, a pushing hydraulic cylinder capable of pushing the rail body to move forwards is arranged between the rear end of the rail body and the front side of the rear part of the sliding seat, a pulley capable of freely sliding along the front and back direction relative to the rail body is installed on the rail body, a supporting part is located at the front end of the rail body, a receiving limiter is arranged in the rail body corresponding to the rear side of the supporting part, an end limiting part is arranged at the rear part of the rail body, a pushing generator is arranged on the sliding seat corresponding to the rear side of the end limiting part, the rear end of the sliding seat is hinged with the installation seat, and a lifting hydraulic cylinder is hinged between the lower side of the front end of the sliding seat and the installation seat.
4. The oil pipe transfer device according to claim 1 or 2, wherein the end stop is a baffle plate, a through hole is formed in the middle of the baffle plate, the thrust generator is a thrust cylinder, and a trolley piston rod capable of penetrating through the through hole forwards and acting on the rear end of the trolley is arranged at the front end of the thrust cylinder; or/and a rotatable pulley is arranged on the sliding rail corresponding to the front side position of the supporting part, and the pulley is in a spindle shape; or/and, the top surface of the pulley is covered with a profiling protective layer, and the profiling protective layer is a copper sheet covering layer or a rubber covering layer.
5. The oil pipe transfer device according to claim 3, wherein the end limiting piece is a baffle, a through hole is formed in the middle of the baffle, the thrust generator is a thrust cylinder, and a trolley piston rod capable of penetrating through the through hole forwards and acting on the rear end of the trolley is arranged at the front end of the thrust cylinder; or/and a rotatable pulley is arranged on the sliding rail corresponding to the front side position of the supporting part, and the pulley is in a spindle shape; or/and, the top surface of the pulley is covered with a profiling protective layer, and the profiling protective layer is a copper sheet covering layer or a rubber covering layer.
6. The oil pipe transfer device according to claim 1,2 or 5, wherein the upper end of the supporting part is provided with a supporting opening which is trapezoid with big top and small bottom, the middle of the top of the pulley is provided with a groove which is the same as the supporting opening in shape, and convex edges are distributed in the groove at intervals along the front-back direction; or/and the receiving limiter is a cylinder with a backward opening, the front end of the pulley is fixed with a push rod which can be clamped into the cylinder, and an elastic sleeve which can generate radial deformation is arranged between the cylinder and the push rod; the rear end of the pulley is fixed with a dowel bar.
7. The oil pipe transfer device according to claim 3, wherein the upper end of the supporting part is provided with a supporting opening which is trapezoid with big top and small bottom, the middle of the top of the pulley is provided with a groove which is the same as the supporting opening in shape, and convex edges are distributed in the groove at intervals along the front-back direction; or/and the receiving limiter is a cylinder with a backward opening, the front end of the pulley is fixed with a push rod which can be clamped into the cylinder, and an elastic sleeve which can generate radial deformation is arranged between the cylinder and the push rod; the rear end of the pulley is fixed with a dowel bar.
8. The oil pipe transfer device according to claim 4, wherein the upper end of the supporting part is provided with a supporting opening which is trapezoid with big top and small bottom, the middle of the top of the pulley is provided with a groove which is the same as the supporting opening in shape, and convex edges are distributed in the groove at intervals along the front-back direction; or/and the receiving limiter is a cylinder with a backward opening, the front end of the pulley is fixed with a push rod which can be clamped into the cylinder, and an elastic sleeve which can generate radial deformation is arranged between the cylinder and the push rod; the rear end of the pulley is fixed with a dowel bar.
9. The oil pipe transfer device according to claim 1 or 2 or 5 or 7 or 8, wherein a base with an upward opening is arranged below the mounting seat, the mounting seat is positioned in the base, a lifting guide rail which can enable the mounting seat to move up and down relative to the base is arranged between the mounting seat and the base, and two lifting hydraulic cylinders are distributed between the lower part of the mounting seat and the base along the front-back direction at intervals; or/and, the left side of the oil pipe transporting device corresponding to the front side or the rear side of each shifting wheel is/are fixed with a material guiding plate, the right end of the material guiding plate is matched with the top surface of the oil pipe transporting device in height, the left end of the material guiding plate is matched with the right end of a bayonet of which the opening faces the oil pipe transporting device in height, and the top surface of the material guiding plate is in a smoothly transitional curved surface shape.
10. The oil pipe transfer device according to claim 6, wherein a base with an upward opening is arranged below the mounting seat, the mounting seat is positioned in the base, a lifting guide rail which can enable the mounting seat to move up and down relative to the base is arranged between the mounting seat and the base, and two lifting hydraulic cylinders are distributed between the lower side of the mounting seat and the base along the front-back direction at intervals; or/and, the left side of the oil pipe transporting device corresponding to the front side or the rear side of each shifting wheel is/are fixed with a material guiding plate, the right end of the material guiding plate is matched with the top surface of the oil pipe transporting device in height, the left end of the material guiding plate is matched with the right end of a bayonet of which the opening faces the oil pipe transporting device in height, and the top surface of the material guiding plate is in a smoothly transitional curved surface shape.
11. A method of using the tubing transfer device of any one of claims 1 to 9, comprising the steps of:
the method comprises the steps of firstly, placing an oil pipe transfer device at a wellhead, and enabling the left side of an oil pipe shifting device to be close to an existing oil pipe storage device;
Secondly, carrying out oil pipe lifting operation, which specifically comprises the following steps: in the initial state, limiting the pulley and the receiving limiter, enabling a group of corresponding bayonets to face the oil pipe transporting device, enabling the bayonets to be matched with each other in height, enabling the sending-out position of the group of bayonets when the poking wheel rotates anticlockwise to be matched with the height of the oil pipe storage device, after an operator lifts the oil pipe, placing one end of the oil pipe on the pulley, then lowering the other end of the oil pipe, at the moment, sliding the pulley backwards to a terminal point under the action force of lowering the oil pipe, placing the front end of the oil pipe on the supporting part, completing the operation of placing the oil pipe on the oil pipe transporting device, starting the pipe pushing device, starting the power driving device and the thrust generator after pushing the oil pipe to the corresponding bayonets leftwards, enabling the power driving device to drive the transmission shaft to rotate anticlockwise, enabling the thrust generator to apply forward action force to the pulley to limit the receiving limiter, returning to the initial state and waiting for the operation of lifting the oil pipe next time; or, carrying out the lowering operation of the oil pipe, specifically: in the initial state, the right end of the oil pipe storage device is provided with an oil pipe, the pulley is positioned at the end point of the rear part of the sliding rail, the sliding rail is in a front high and rear low shape, a group of bayonets corresponding to the front and rear parts face the oil pipe storage device, the heights of the bayonets are matched, the sending-out position of the group of bayonets when the poking wheel rotates clockwise is matched with the height of the oil pipe moving device, the driving power driving device is driven to drive the poking wheel to rotate clockwise, so that the oil pipe positioned at the right end of the oil pipe storage device is clamped into the corresponding bayonets and is driven to slide onto the oil pipe moving device in the clockwise direction, at the moment, the front end and the rear end of the oil pipe are respectively arranged on the supporting part and the pulley, the front end of the oil pipe is lifted by an operator, the oil pipe is dragged forwards, at the moment, the rear end of the oil pipe is driven to move the pulley forwards together, and the pulley does not need to be limited by taking the oil pipe in the process, and after the oil pipe is taken down, the oil pipe is driven to fall back to the initial position along the inclined sliding rail under the action of gravity, and the action of the oil pipe is waited for the operation of next oil pipe to be lowered.
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