CN110295856B - Hydraulic vertical lifting automatic workover rig - Google Patents
Hydraulic vertical lifting automatic workover rig Download PDFInfo
- Publication number
- CN110295856B CN110295856B CN201910676564.XA CN201910676564A CN110295856B CN 110295856 B CN110295856 B CN 110295856B CN 201910676564 A CN201910676564 A CN 201910676564A CN 110295856 B CN110295856 B CN 110295856B
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- pipe
- derrick
- main arm
- hinged
- arm
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- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 238000012546 transfer Methods 0.000 claims abstract description 21
- 238000004080 punching Methods 0.000 claims description 17
- 230000008878 coupling Effects 0.000 claims description 13
- 238000010168 coupling process Methods 0.000 claims description 13
- 238000005859 coupling reaction Methods 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 210000000078 claw Anatomy 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 7
- 239000003129 oil well Substances 0.000 abstract description 7
- 229910000831 Steel Inorganic materials 0.000 description 11
- 239000010959 steel Substances 0.000 description 11
- 238000005452 bending Methods 0.000 description 7
- 230000006872 improvement Effects 0.000 description 4
- 230000010354 integration Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000007723 transport mechanism Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B19/10—Slips; Spiders ; Catching devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B19/16—Connecting or disconnecting pipe couplings or joints
- E21B19/161—Connecting or disconnecting pipe couplings or joints using a wrench or a spinner adapted to engage a circular section of pipe
- E21B19/163—Connecting or disconnecting pipe couplings or joints using a wrench or a spinner adapted to engage a circular section of pipe piston-cylinder actuated
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B19/24—Guiding or centralising devices for drilling rods or pipes
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/01—Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
- E21B47/017—Protecting measuring instruments
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/02—Drilling rigs characterized by means for land transport with their own drive, e.g. skid mounting or wheel mounting
Abstract
The invention provides a hydraulic vertical lifting automatic workover rig, which comprises a vehicle-mounted chassis, a lifting device, a pipe unloading device and a transfer device, wherein the lifting device is arranged at the tail part of the vehicle-mounted chassis, the pipe unloading device is positioned right below the lifting device, the transfer device comprises an upper pipe unloading mechanism arranged at one side of the pipe unloading device, a pipe moving transfer mechanism arranged on the vehicle-mounted chassis and a placing frame arranged between the upper pipe unloading mechanism and the transfer device. By adopting the technical scheme of the invention, the lifting device, the pipe unloading device and the transferring device can be put on the vehicle-mounted chassis together for transportation during transportation, so that the transportation is flexible and convenient. During operation, the oil pipe is pulled out from the wellhead through the lifting device, the oil pipe is tripped through the pipe unloading device, and the oil pipe is orderly placed in the placing frame through the transferring device, so that the automatic operation of oil well maintenance work is realized, and compared with the prior art, the oil well maintenance work is greatly lifted.
Description
Technical Field
The invention relates to the technical field of oil extraction equipment, in particular to a hydraulic vertical lifting automatic workover rig.
Background
After a period of working, the oil gas well needs to be regularly taken out for maintenance, the oil pipe maintenance work is usually completed by a workover rig, the integration level of the traditional workover rig is low, the traditional workover rig is required to be transported to the site for assembly in batches, the operation is inconvenient, a plurality of workers are required to be arranged to engage in calandria on the site during the well maintenance work, and the pipe moving and wellhead operation is carried out.
Disclosure of Invention
The invention aims to solve the technical problem of providing a novel hydraulic vertical lifting automatic workover rig, which has higher integration level, can be conveniently transported and arranged, has higher intelligent degree, and can realize the automatic operation of oil well overhaul work.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a hydraulic pressure vertical lift automatic workover rig, includes on-vehicle chassis, hoisting device, unloads tub device and transfer device, hoisting device locates on-vehicle chassis's afterbody, it is located to unload tub device under hoisting device, transfer device locates one side of unloading tub device.
The lifting device comprises a derrick, a crown block group, a wire rope, a traveling block and an elevator, wherein the derrick is hinged to the tail of the vehicle-mounted chassis and can be lifted up or down from the vehicle-mounted chassis, the derrick comprises an outer derrick and an inner derrick sleeved in the outer derrick, the inner derrick can extend out or retract from the outer derrick, the crown block group is arranged at the top of the inner derrick, one end of the wire rope is connected to the vehicle-mounted chassis, the other end of the wire rope is connected with the traveling block after bypassing the crown block group, and the elevator is suspended on the traveling block;
the pipe unloading device comprises a blowout preventer, an oil pipe coupling detector, slips, a moving platform, a punching clamp and a screwing clamp, wherein the blowout preventer is sleeved on the wellhead, the oil pipe coupling detector is arranged at the upper end of the blowout preventer, the slips are arranged at the upper end of the oil pipe coupling detector, the moving platform is arranged at the upper end of the slips, the punching clamp is fixed on the moving platform, the screwing clamp is fixed at the upper end of the punching clamp, the elevator is correspondingly arranged right above the punching clamp, and a through hole with a claw is formed in the elevator;
the transfer device comprises an upper pipe mechanism, a lower pipe mechanism, a transfer mechanism and a placement frame, wherein the upper pipe mechanism comprises a base arranged on one side of the pipe unloading mechanism, a pipe grabbing main arm hinged to the base, a gripper arranged on the pipe grabbing main arm and a fifth hydraulic cylinder capable of driving the pipe grabbing main arm to lift or put down, the pipe grabbing main arm can grab an oil pipe and place the oil pipe down on the base, the transfer mechanism comprises a sliding rail groove arranged on a vehicle-mounted chassis, a pulley arranged in the sliding rail groove and a pipe moving main arm arranged on the pulley, the placement direction of the pipe moving main arm is parallel to the pipe grabbing main arm, the placement frame is arranged below the pipe moving main arm, a pipe turning main arm capable of transferring the oil pipe to the position right below the pipe moving main arm is arranged on one side of the base, and a manipulator capable of grabbing the oil pipe on the pipe turning main arm and placing the oil pipe on the placement frame is arranged on the pipe moving main arm.
By adopting the embodiment, the workover rig is integrated on the vehicle-mounted chassis, so that transportation and assembly become more convenient, when the workover operation is carried out, the derrick is lifted, the elevator lifts up the oil pipe, the pipe unloading device unloads the oil pipe, the pipe grabbing main arm takes the oil pipe off the elevator and horizontally places the oil pipe on the base, the pipe overturning main arm transfers the oil pipe to the position right below the pipe moving main arm, the mechanical arm of the pipe moving main arm grabs the oil pipe and places the oil pipe on the placement frame, and when the oil pipe is lowered, the steps are opposite to the workover operation, so that the automatic control of the oil well overhaul operation is realized.
In a further improvement of the invention, the device further comprises a hanging guide device, wherein the hanging guide device comprises two small pulleys arranged on two sides of the crown block group and a winch arranged on the top of the outer derrick and close to the small pulleys, a guide steel wire rope is wound on the small pulleys, one end of the guide steel wire rope is connected to two sides of the movable platform, the other end of the guide steel wire rope bypasses the small pulleys and is then bundled in the winch, two sides of the elevator are provided with righting rods, wire buckles are arranged on the ends of the righting rods, and the guide steel wire rope penetrates into the wire buckles. By adopting the structure, the elevator is not easy to shake when lifting, so that the oil pipe is easier to penetrate into the through hole of the elevator to be fixed by the clamping jaw, and the efficiency is indirectly improved.
In a preferred embodiment of the invention, the lifting device further comprises a lifting oil cylinder and a first hydraulic cylinder, the lifting oil cylinder is arranged in the derrick, the lifting oil cylinder comprises a first cylinder barrel hinged to the bottom of the outer derrick and a first piston rod penetrating through the inner derrick, the top angle of the first piston rod is connected with the top plate of the inner derrick, lifting of the outer derrick is achieved through the structure, one end of the first hydraulic cylinder is hinged to the vehicle-mounted chassis, the other end of the first hydraulic cylinder is hinged to the middle of the outer derrick, and lifting of the outer derrick is achieved through the structure.
In a further improvement of the invention, the traveling block comprises a top seat and a base hinged below the top seat, grooved wheels which are coaxially arranged are arranged on the front side and the rear side of the top seat, the steel wire rope is connected to the grooved wheels in a winding mode, the traveling block can run more stably and is not easy to shake by adopting the structure, the elevator is suspended on the base through a hanging rod, hanging rings are arranged at two ends of the hanging rod, and hanging buckles for accommodating the hanging rings are arranged on the base and the elevator.
In a preferred embodiment of the present invention, the blowout preventer and the tubing coupling detector are provided with a tube hole through which the tubing passes, the slips comprise a slip seat plate installed on the tubing coupling detector, a sleeve penetrating through the slip seat plate, a clamping tile installed in the sleeve, and a driving mechanism capable of driving the clamping tile to clamp or loosen, the sleeve is communicated with the tube hole, the moving platform comprises a bottom plate installed above the slips, an opening installed on the bottom plate and adapted to the position of the sleeve, a sliding rail installed on the bottom plate, and a sliding block capable of sliding on the sliding rail, the punching clamp comprises a support fixed on the sliding block, a motor installed on the support, a vertical groove corresponding to the position of the opening is provided on the front end surface of the support, a first back clamp and a second back clamp arranged on two sides of the vertical groove, the first back clamp comprises a semicircular gear installed in the recess on the front end surface of the support, a third hydraulic cylinder installed on two sides of the straight edge of the clamping tile, the third hydraulic cylinder has a third back clamp installed on the opposite direction, a sliding rail installed on the bottom plate has a second back clamp installed on the opposite direction, a piston rod is installed on the piston rod corresponding to the piston rod, the piston rod is installed on the piston rod in the piston rod, the top of the turnbuckle roller is provided with a motor which can drive the turnbuckle roller to rotate.
In a further improvement of the invention, the oil pipe coupling detector is sleeved with the protective cover, and the protective cover is in a bell mouth shape which gradually spreads from bottom to top, so that the oil pipe coupling detector can receive dropped oil stains when lifted up, and is not easy to pollute a pipe unloading device.
In a preferred embodiment of the invention, a rotating shaft is arranged on the pulley, a rotating seat is fixed on the rotating shaft, one end of the pipe moving main arm is fixed on the rotating seat, a side lug which extends outwards is arranged on one side of the rotating seat, one end of the pulley is hinged to the side lug, and the other end of the pulley is hinged to a ninth hydraulic cylinder on the pulley, so that 90-degree rotation of the pipe moving main arm can be realized, and the pipe moving main arm can be retracted into the guide rail during transportation. When in operation, the pipe moving main arm can be conveniently unfolded through the ninth hydraulic cylinder, so that the operation is more convenient.
In a preferred embodiment of the present invention, the main pipe turning arm includes a lower swing arm hinged to one side of the base, an upper swing arm hinged to one end of the lower swing arm, and a gripping arm provided at the top end of the upper swing arm, and further includes a sixth hydraulic cylinder with one end hinged to the base and the other end hinged to the bottom of the lower swing arm, a seventh hydraulic cylinder with one end hinged to the upper swing arm, and an eighth hydraulic cylinder with one end hinged to the upper swing arm and the other end hinged to the gripping arm, and the sixth, seventh and eighth hydraulic cylinders are used to drive the gripping arm to grip an oil pipe located on the main pipe moving arm by the actions of the lower swing arm and the upper swing arm, and move the oil pipe to the position below the main pipe moving arm for taking.
In a preferred embodiment of the invention, the moving main arm is provided with a plurality of telescopic cylinders, the telescopic cylinders comprise piston rods vertically penetrating through the moving main arm, the manipulator is arranged at the bottom of the piston rods, and the piston rods can drive the manipulator to ascend and descend.
In the preferred embodiment of the invention, the middle part of the outer derrick is also provided with a righting manipulator for supporting the oil pipe and a small crane for hoisting operation, the righting manipulator can play a role in supporting when the elevator drives the oil pipe to lift up, the oil pipe is prevented from shaking, and the small crane can be used for assisting in hoisting a rack, a pipe unloading device and a pipe loading and unloading mechanism, so that the workover rig is convenient to expand and retract.
Therefore, the invention has higher integration level and better intelligent degree, can carry out automatic well repair operation, and has obvious improvement on the use convenience and the use cost compared with the prior art.
Drawings
The invention is further described below with reference to the drawings:
FIG. 1 is an overall view of the present invention;
FIG. 2 is a rear side view of the present invention;
FIG. 3 is a side view of the present invention;
FIG. 4 is a top view of the derrick of the present invention;
FIG. 5 is an installation view of the ride vehicle and elevator of the present invention;
FIG. 6 is a side view of the tube discharge device;
FIG. 7 is a top view of the tube discharge device;
FIG. 8 is a perspective view of a slip;
FIG. 9 is a perspective view of the up-down tube mechanism;
FIG. 10 is a perspective view of the transport mechanism;
wherein: 100-vehicle chassis, 200-lifting device, 201-lifting cylinder, 202-derrick, 203-first hydraulic cylinder, 204-crown block, 205-ram, 207-outer derrick, 208-inner derrick, 209-first cylinder, 210-first piston rod, 211-roller frame, 212-limit rail, 213-wire rope, 214-footstock, 215-base, 216-sheave, 217-boom, 218-elevator, 219-jaw, 220-hoist ring, 221-diagonal draw rope, 300-pipe-unloading device, 301-blowout preventer, 302-tubing coupling detector, 303-slips, 304-moving platform, 305-punch-clasp forceps, 306-screw-clasp forceps, 307-protective cover, 308-slip seat plate, 309-support plate, 310-clasp tile, 311-sleeve, 312-otic placode, 313-tenth hydraulic cylinder, 314-push block, 315-push head, 316-crank arm, 317-first swing arm, 318-second swing arm, 319-pivot, 320-push rod, 321-first bending section, 322-second bending section 322-base plate, 326-bending section 322-back-plate, 326-back-35-back side, groove, and flat, 328-back-side guide brackets, 328-back-side brackets, 331-back-side brackets, 328-back-side brackets, and guide brackets, 331-back-side brackets, 328-side brackets, and guide brackets, 344-turnbuckle roller, 345-fourth hydraulic cylinder, 400-hanging guide device, 401-small pulley, 402-winch, 403-guiding steel wire rope, 404-righting rod, 405-wire buckle, 500-transfer device, 501-placing rack, 502-base, 503-main pipe grabbing arm, 504-grab, 505-fifth hydraulic cylinder, 506-lower swing arm, 507-upper swing arm, 508-grabbing arm, 509-sixth hydraulic cylinder, 510-seventh hydraulic cylinder, 511-eighth hydraulic cylinder, 512-sliding rail groove, 513-pulley, 514-main pipe moving arm, 516-rotating seat, 517-side lug, 518-ninth hydraulic cylinder, 519-telescopic cylinder, 520-manipulator, 521-vertical beam, 600-small crane, 700-righting manipulator, 701-longitudinal guide rail, 702-longitudinal arm, 703-transverse guide rail, 704-transverse movable arm, 705-clamping block.
Description of the embodiments
The invention is illustrated further by the following examples:
as shown in fig. 1 to 3, a hydraulic vertical lift automatic workover rig includes a vehicle-mounted chassis 100, a lifting device 200, a pipe unloading device 300, a suspension guide device 400, and a transfer device 500.
Wherein, hoisting device 200 articulates in the afterbody of on-vehicle chassis 100, and the pipe unloading device 300 is located the hoisting device 200 under when hoisting device stands up from on-vehicle chassis 100, hangs guider 400 and locates between pipe unloading device 300 and hoisting device 200, and transfer device 500 locates one side of on-vehicle chassis 100.
The lifting device 200 comprises a lifting oil cylinder 201, a derrick 202, a first hydraulic cylinder 203, a crown block group 204, a traveling block 205 and an elevator 218.
As shown in fig. 4, the derrick 202 includes an outer derrick 207 hinged to the tail of the vehicle chassis 100 and an inner derrick 208 sleeved in the outer derrick 207, and both the outer derrick 207 and the inner derrick 208 are truss structures to reduce weight while ensuring strength. The lifting oil cylinder 201 is arranged in the derrick 202, the lifting oil cylinder 201 comprises a first cylinder barrel 209 hinged to the bottom of the outer derrick 207 and a first piston rod 210 penetrating through the inner derrick 208, and the top end of the first piston rod 210 is hinged to the top plate of the inner derrick 208, so that the inner derrick 208 can be driven to extend or retract from the outer derrick 207 through the lifting oil cylinder 201. Roller frames 211 are arranged on two sides of the inner wall of the outer derrick 207, rollers are arranged on the roller frames 211 at intervals, and limiting guide rails 212 for placing the rollers are arranged on the outer wall of the inner derrick 208, so that the inner derrick 208 can smoothly lift in the outer derrick 207.
The first hydraulic cylinder 203 has one end hinged to the middle of the vehicle chassis 100 and the other end hinged to the middle of the outer derrick 207, so that the derrick 202 can be driven to stand up or down.
The crown block set 204 is disposed on top of an inner derrick 208. The traveling block 205 is suspended on the derrick 202 by a wire rope 213 which bypasses the crown block group 204, one end of the wire rope 213 is connected with the traveling block 205, and the other end of the wire rope is hinged on the vehicle-mounted chassis 100 after bypassing the crown block group 204. With this configuration, when the inner derrick 208 is lifted, the traveling block 205 can be lifted at twice the lifting rate of the inner derrick 208.
As shown in fig. 5, the traveling block 205 includes a top base 214, a base 215 hinged below the top base 214, and semicircular sheaves 216 coaxially disposed on both front and rear sides of the top base 214, and the wire ropes 213 are wound around the sheaves 216 in a total of two strands. The two ends of the base 215 are connected with a hanging rod 217, an elevator 218 is connected with the traveling block 205 through the hanging rod 217, a through hole with a claw 219 is arranged on the elevator 218, and the oil pipe can be pulled out from the oil well through the claw 219.
Hanging rings 220 are arranged at two ends of the hanging rod 217, hanging buckles for placing the hanging rings 220 are arranged at two ends of the base 215 and the hanging clamps 218, and the hanging rings are connected with the hanging buckles in a matched mode, so that the hanging rods are rigidly connected, and the hanging rod is more convenient to install and can bear larger swing moment so as not to be damaged easily.
In addition, the device also comprises a cable-stayed rope 221 with one end connected to the top end of the outer derrick 207 and one end connected to the vehicle-mounted chassis 100, so as to play a supporting role when the derrick 202 is erected.
As shown in fig. 6 to 8, the pipe tripping device 300 comprises a blowout preventer 301, a tubing collar detector 302, slips 303, a moving platform 304, a punching clamp 305 and a screwing clamp 306 in this order from bottom to top.
Wherein, blowout preventer 301 is installed on the well head, and tubing collar detector 302 is installed in blowout preventer 301 upper end, is equipped with the tube hole that is linked together in blowout preventer 301 and the tubing collar detector 302, in order to supply oil pipe to penetrate. In addition, the tubing coupling detector 302 is further sleeved with a protecting cover 307, which is in a bell mouth shape gradually spreading from bottom to top and is used for receiving the dropped oil stain.
The slips 303 include slip bowl 308 mounted on the upper end of the tubing collar detector 302, sleeve 311 threaded into the slip bowl 308, backer plate 309 provided on the slip bowl 308, gripping tiles 310 provided in the sleeve 311, and a drive mechanism for driving the gripping tiles 310 to grip or release. The sleeve 311 is in communication with the pipe hole, and the support plates 309 are disposed on both sides of the sleeve 311 in a total of four and two-to-two arrangement. The driving mechanism comprises an ear plate 312, a tenth hydraulic cylinder 313, a transmission module and a push block 314. The ear plate 312 is provided on the slip seat 308, and the tenth hydraulic cylinder 313 is provided on the slip seat 308 with its cylinder end hinged to the ear plate 312. The transmission module includes a push head 315, a crank arm 316, a first swing arm 317, a second swing arm 318, a rotating shaft 319, and a push rod 320. The push head 315 is connected to the piston rod end of the tenth hydraulic cylinder 313; the two rotating shafts 319 are respectively arranged on the supporting plates 309 at the two sides of the sleeve, the two push rods 320 are respectively arranged, one ends of the push rods 320 are connected with the middle part of the rotating shaft 319, and the other ends of the push rods are connected with the push blocks 314; the first swing arm 317 and the second swing arm 318 are respectively connected to one end of the rotating shaft; one end of the crank arm 316 is hinged to the push head 315, the other end is hinged to the second swing arm 318, and the first swing arm 317 is hinged to the middle portion of the crank arm 316. The crank arm 316 comprises a first bending section 321 and a second bending section 322, the first swing arm 317 is hinged at the joint of the first bending section 321 and the second bending section 322, the slip sheet 310 extends out from the top end of the sleeve 311, the push block 314 is placed against the portion of the slip sheet 310 extending out of the sleeve 311, and the structure is adopted so that the push block 314 can move along the opposite direction under the drive of the tenth hydraulic cylinder 313, so that the slip sheet 310 can clamp or unclamp an oil pipe under the action of the push block 314.
The moving platform 304 includes a bottom plate 322 disposed above the slips 303, an opening 323 disposed on the bottom plate 322, sliding rails 324 disposed on two sides of the bottom plate 322, and a sliding block 325 disposed on the sliding rails 324, wherein the sliding block 325 is fixed at the bottom of the punching pliers 305, so that the punching pliers 305 can slide on the moving platform. The bottom plate 322 is fixed to the top end of the support plate 309, and the position of the opening 323 corresponds to the position of the sleeve.
The punching clamp 305 comprises a support 326 connected to the top of the slider 325, a vertical groove 327 corresponding to the position of the opening 323 is arranged on the front end surface of the support 326, a notch 328 is arranged on the bottom rear side of the support 326, and a motor 329 is arranged in the notch 328. The two sides of the vertical groove 327 are provided with a first back-up clamp 330 and a second back-up clamp 331 which are arranged up and down. The second back-up wrench 331 includes two oppositely arranged guiding square tubes 332, the guiding square tubes 332 are buried in the supports 326 at two sides of the vertical groove 327, one end of the guiding square tube 332 facing the vertical groove 327 has an opening communicated with the vertical groove 327, and one end of the guiding square tube 332 facing away from the vertical groove 327 extends out of the supports 326. The second hydraulic cylinder 333 is fixed on one end of the guiding square tube 332 extending out of the support 326, the second hydraulic cylinder 333 is provided with a second piston rod extending into the guiding square tube 332, one end of the second piston rod facing the vertical groove 327 is provided with a back clamp tooth 335, and the back clamp tooth 335 can extend into the vertical groove 327 to clamp the oil pipe under the driving of the second piston rod.
The first back-up wrench 330 comprises a semicircular gear 336, guide square tubes 332 arranged on two sides of the straight edge of the semicircular gear 336, a third hydraulic cylinder 337 is arranged at one end, away from each other, of each guide square tube 332, the third hydraulic cylinder 337 is provided with a third piston rod extending into the guide square tube 332, back-up wrench teeth 335 are arranged on the end of each third piston rod, and the back-up wrench teeth 335 can stretch and retract under the driving of the third piston rod.
A notch 339 extending laterally rearward and through the vertical recess 327 is provided on the front end surface of the support 326, and the semicircular gear 336 is provided in the notch 339 with the third hydraulic cylinders 337 disposed on both sides of the recess 327, respectively. The motor 329 is vertically installed in the notch 328 of the base 326, the rotating shaft of the motor 329 is penetrated into the notch 339 upward, and a driving gear is fixed to one end of the rotating shaft extending into the notch 339, and the driving gear is meshed with the round edge of the semicircular gear 336. Therefore, the motor 329 can drive the first back-up wrench 330 to rotate, and the two sides of the front end of the notch 339 are also provided with the railing 341 for limiting the first back-up wrench 330.
The turnbuckle pliers 306 comprises a pliers body 342 arranged above a support 326, a jaw 343 of the pliers body 342 is correspondingly arranged right above a vertical groove 327, a turnbuckle roller 344 is arranged in the jaw 343, and a motor capable of driving the turnbuckle roller 344 to rotate is arranged at the top of the turnbuckle roller 344. The clamp tooth portion 343 can be opened and closed under the driving of the fourth hydraulic cylinder 345, when in use, the clamp tooth portion 343 is driven to clamp the oil pipe so that the turnbuckle roller 344 is abutted against the oil pipe, and then the motor drives the turnbuckle roller 344 to rotate, so that the oil pipe can be disassembled.
The hanging guide device 400 comprises two small pulleys 401 arranged on two sides of the crown block group 204 and a winch 402 arranged on the top of the outer derrick 207 and close to the position of the small pulleys 401, wherein guide steel wire ropes 403 are wound on the small pulleys 401, one ends of the guide steel wire ropes 403 are connected on two sides of the movable platform 304, the other ends of the guide steel wire ropes 403 are wound on the small pulleys 401 and then are converged in the winch 402, the hanging guide device also comprises a righting rod 404 arranged on two sides of the elevator 218, a wire buckle 405 is arranged on the end head of the righting rod 404, and the guide steel wire ropes 403 penetrate into the wire buckle 405. When the elevator is used, the winch 402 is driven to tighten the guide steel wire rope 403, so that the guide effect can be achieved, and the elevator 218 is prevented from shaking during operation.
As shown in fig. 9 and 10, the transfer device 500 includes a tube loading and unloading mechanism provided on one side of the tube unloading device 300, a transfer mechanism provided on the vehicle chassis, and a placement frame 501 provided between the transfer mechanism and the tube loading and unloading mechanism.
The pipe feeding and discharging mechanism comprises a strip-shaped base 502, a pipe grabbing main arm 503 hinged to one end of the base 502 close to the pipe unloading device, a gripper 504 arranged on the pipe grabbing main arm 503, and a fifth hydraulic cylinder 505 arranged between the pipe grabbing main arm 503 and the base 502, wherein one end of the fifth hydraulic cylinder 505 is hinged to the base 502, and the other end of the fifth hydraulic cylinder is hinged to the pipe grabbing main arm 503, so that the pipe grabbing main arm 503 can be driven to be erected for the gripper 504 to grab the oil pipe after the shackle.
The upper and lower pipe mechanism further comprises a plurality of pipe turning main arms vertically arranged on one side of the base 502, the pipe turning main arms comprise a lower swing arm 506 hinged on the base 502, an upper swing arm 507 hinged on one end of the lower swing arm 506 and a grabbing arm 508 arranged on the top end of the upper swing arm 507, one end of the pipe turning main arms are hinged on the base 502, the other end of the pipe turning main arms are hinged on a sixth hydraulic cylinder 509 at the bottom of the lower swing arm 506, one end of the pipe turning main arms are hinged on the lower swing arm 506, the other end of each pipe turning main arm is hinged on a seventh hydraulic cylinder 510 on the upper swing arm 507, one end of each pipe turning main arm is hinged on the upper swing arm 507, and the other end of each pipe turning main arm is hinged on an eighth hydraulic cylinder 511 on the grabbing arm 508.
The transfer mechanism comprises a slide rail groove 512 arranged on the vehicle-mounted chassis 100, a pulley 513 arranged in the slide rail groove 512 and a tube moving main arm 514 arranged on the pulley 513.
The sliding rail groove 512 is disposed on one side of the vehicle chassis 100 and is disposed vertically with the base 502, a rotating shaft is disposed on the pulley 513, a rotating seat 516 is fixed on the top of the rotating shaft, one end of a main moving arm 514 is mounted on the rotating seat 516, a lateral lug 517 extending outwards is mounted on one side of the rotating seat 516, one end of the pulley 513 is hinged on the lateral lug 517, and a ninth hydraulic cylinder 518 is hinged on the pulley 513. Thereby enabling rotation of the tube transfer main arm 514.
The main pipe moving arm 514 is provided with a plurality of telescopic cylinders 519, the telescopic cylinders 519 comprise piston rods vertically penetrating the main pipe moving arm 514, the bottoms of the piston rods are provided with manipulators 520, and the piston rods can drive the manipulators 520 to ascend or descend so as to grab oil pipes and put the oil pipes on the placing racks 501.
The rack 501 is a truss with a regular triangle cross section, vertical beams 521 for limiting the oil pipe are fixed at two ends of the rack 501, and the rack 501 has two groups and is placed parallel to the sliding rail grooves 512.
In addition, the middle part of the outer derrick 207 is also provided with a centralizing manipulator 700 and a small crane 600, the centralizing manipulator 700 comprises a longitudinal guide rail 701 arranged at two sides of the outer derrick 207 and a longitudinal movable arm 702 arranged on the longitudinal guide rail 701, the longitudinal movable arm 702 can advance or retreat under the drive of a hydraulic cylinder, the centralizing manipulator further comprises a transverse guide rail 703 arranged at the front end of the longitudinal movable arm 702 and a transverse movable arm arranged on the transverse guide rail 703, the transverse guide rail 703 and the longitudinal guide rail 701 are vertically arranged, the front end of the transverse movable arm 704 is provided with a clamping block 705, and the clamping block 705 can move along the opposite direction under the drive of the hydraulic cylinder so as to be used for clamping the centralizing oil pipe. The small crane 600 can be used to assist in lifting the pipe handling apparatus 300, the pipe loading and unloading mechanism, and the rack 501 to facilitate deployment and retraction operations.
The above is the whole structure of the invention, its working mode is as follows: during transportation, the derrick 202 is horizontally placed on the vehicle-mounted chassis 100, and the pipe unloading device 300, the hanging guide device 400 and the transferring device 500 are placed on one side of the vehicle-mounted chassis 100 through the small crane 600, so that the pipe unloading device can be conveniently transferred through the vehicle-mounted chassis 100.
In the preparation stage, the vehicle-mounted chassis 100 runs to a proper position in front of a wellhead, the supporting legs of the vehicle-mounted chassis 100 extend to smoothly adjust the vehicle-mounted chassis 100, then the derrick 202 is driven to lift, and the small crane 600 is operated to assist in mounting the pipe unloading device 300 on the wellhead and is in butt joint with the hanging guide device 400; the tube feeding and discharging mechanism and the placement frame 501 are suspended to a specified position. The ninth hydraulic cylinder 518 drives the tube moving main arm 514 to rotate 90 ° so as to be parallel to the tube up-down mechanism. And finishing the preparation operation before well repair.
In the working stage, the punching clamp 305 and the turnbuckle clamp 306 arranged on the moving platform 304 are driven by a hydraulic cylinder to move backwards to a position far away from a wellhead, the elevator 218 drives the oil pipe to lift upwards, after the oil pipe reaches a specified position, the slips 303 clamp the oil pipe, the punching clamp 305 and the turnbuckle clamp 306 are driven to return to the wellhead position, the punching and turnbuckle operation is sequentially completed, the oil pipe is unloaded, after the pipe unloading operation is completed, the elevator 218 drives the oil pipe to continue lifting up until the oil pipe is separated from the pipe unloading device 300, the righting manipulator 700 stretches out to straighten the oil pipe to prevent the oil pipe from shaking in the lifting process, then the fifth hydraulic cylinder 505 drives the pipe grabbing main arm 503 to lift to one side of the oil pipe and grabs the oil pipe through the tongs, then the fifth hydraulic cylinder 505 drives the pipe grabbing main arm 503 to reset to the base 502, drives the pipe turning main arm to grab the oil pipe to reset, then moves the pipe moving main arm 514 to right above the pipe turning main arm, drives the telescopic cylinder to grab the oil pipe on the pipe turning main arm, finally moves the pipe main arm 514 to translate to the upper part along the sliding rail groove 512 to the sliding rail groove 512, and places the oil pipe on the placing frame 501. And (5) completing lifting operation of the oil pipe.
The lowering operation of the oil pipe is opposite to the lifting operation of the oil pipe.
After the work is completed, the pipe moving main arm 514 is reset under the drive of the ninth hydraulic cylinder 518, the pipe unloading device 300, the pipe loading and unloading mechanism and the placing frame 501 are hung on the vehicle-mounted chassis 100 by operating the small crane, the derrick is lowered, and the supporting legs are retracted, so that the transportation state can be returned.
So it can be seen from a combination of the above description that: the invention has the advantages of high integration level, convenient transportation and on-site assembly; the intelligent oil well maintenance system has the advantages of being high in intelligent degree and capable of achieving oil well maintenance work automatic operation.
However, it will be appreciated by persons skilled in the art that the above embodiments are merely illustrative of the invention and not intended to be limiting, and that variations and modifications of the above described embodiments are intended to fall within the scope of the appended claims, insofar as they are within the true spirit of the invention.
Claims (8)
1. The utility model provides a hydraulic pressure promotes automatic workover rig perpendicularly which characterized in that: the automatic pipe unloading device comprises a vehicle-mounted chassis (100), a lifting device (200), a pipe unloading device (300) and a transferring device (500), wherein the lifting device (200) is arranged at the tail part of the vehicle-mounted chassis (100), the pipe unloading device (300) is positioned under the lifting device (200), and the transferring device (500) is arranged at one side of the pipe unloading device (300);
the lifting device (200) comprises a derrick (202), a crown block group (204), a wire rope (213), a traveling block (205) and an elevator (218), wherein the derrick (202) is hinged to the tail of the vehicle-mounted chassis (100) and can be lifted or put down from the vehicle-mounted chassis (100), the derrick (202) comprises an outer derrick (207) and an inner derrick (208) sleeved in the outer derrick (207), the inner derrick (208) can extend out of or retract back from the outer derrick (207), the crown block group (204) is arranged at the top of the inner derrick (208), one end of the wire rope (213) is connected to the vehicle-mounted chassis (100), the other end of the wire rope (213) is connected to the traveling block (205) after bypassing the crown block group (204), and the elevator (218) is suspended on the traveling block (205).
The pipe unloading device (300) comprises a blowout preventer (301), an oil pipe coupling detector (302), slips (303), a moving platform (304), a punching clamp (305) and a screwing clamp (306), wherein the blowout preventer (301) is sleeved on a wellhead, the oil pipe coupling detector (302) is installed at the upper end of the blowout preventer (301), the slips (303) are installed at the upper end of the oil pipe coupling detector (302), the moving platform (304) is installed at the upper end of the slips (303), the punching clamp (305) is fixed on the moving platform (304), the screwing clamp (306) is fixed at the upper end of the punching clamp (305), an elevator (218) is correspondingly arranged right above the punching clamp (305), and a through hole with a claw (219) is formed in the elevator (218);
the transfer device (500) comprises an up-down pipe mechanism, a transfer mechanism and a placement frame (501), wherein the up-down pipe mechanism comprises a base (502) arranged on one side of the pipe unloading mechanism, a pipe grabbing main arm (503) hinged to the base (502), a gripper (504) arranged on the pipe grabbing main arm (503) and a fifth hydraulic cylinder (505) capable of driving the pipe grabbing main arm (503) to lift or put down, the pipe grabbing main arm (503) can grab an oil pipe on an elevator (218) and place the oil pipe on the base (502), the transfer mechanism comprises a sliding rail groove (512) arranged on a vehicle-mounted chassis (100), a pulley (513) arranged in the sliding rail groove (512) and a pipe moving main arm (514) arranged on the pulley (513), the placement direction of the pipe moving main arm (514) is parallel to that of the pipe grabbing main arm (503), the placement frame (501) is arranged below the pipe moving main arm (514), and one side of the base (502) is provided with a gripper capable of moving the pipe main arm (514) to place the pipe (520) above the pipe grabbing main arm (501);
the blowout preventer (301) and the tubing collar detector (302) are provided with a tube hole through which an oil pipe passes, the slips (303) comprise a slip seat plate (308) installed on the tubing collar detector (302), a sleeve (311) penetrating through the slip seat plate (308), slip sheets (310) arranged in the sleeve (311) and a driving mechanism capable of driving the slip sheets (310) to clamp or loosen, the sleeve (311) is communicated with the tube hole, the moving platform (304) comprises a bottom plate (322) arranged above the slips (303), an opening (323) arranged on the bottom plate (322) and matched with the position of the sleeve (311), a sliding rail (324) arranged on the bottom plate (322) and a sliding block (325) capable of sliding on the sliding rail (324), the punching clamp (305) comprises a support (326) fixed on the sliding block (326), a motor (329) arranged on the support (326) and a driving mechanism arranged on the front end surface of the support (326) and corresponding to the position of the opening (323), a second back clamp (327) is arranged on two sides of the second back clamp (330), the first back-up wrench (330) comprises a semicircular gear (336) pivoted in a notch (339) on the front end surface of the support (326), a third hydraulic cylinder (337) arranged on two sides of a straight edge of the semicircular gear (336), a third piston rod capable of extending towards the opposite direction is arranged on the third hydraulic cylinder (337), a back-up wrench tooth (335) is arranged on the end of the third piston rod, a motor shaft of the motor (329) extends into the notch (339), a driving gear meshed with the semicircular gear (336) is arranged on the end of the motor shaft, the second back-up wrench (331) comprises a second hydraulic cylinder (333) arranged in the support (326) on two sides of the vertical groove (327), the second hydraulic cylinder (333) is provided with a second piston rod capable of extending towards the opposite direction, the end of the second piston rod is provided with a back-up wrench tooth (335), the back-up wrench (306) comprises a wrench body (342) arranged above the support (326), a wrench tooth (343) is arranged above the vertical groove (343), and a roller wheel (344) is arranged in the wrench body (343) in a rotary manner, and the roller wheel (344) can be rotatably mounted;
the middle part of the outer derrick (207) is also provided with a righting manipulator (700) for supporting the oil pipe and a small crane (600) for hoisting operation.
2. The hydraulic vertical lift automatic workover rig of claim 1, wherein: still including hanging guider (400), hang guider (400) including locating two small pulleys (401) of crown block wheelset (204) both sides and locating outer derrick (207) top be close to winch (402) of small pulley (401) position department, the round joint has direction wire rope (403) on small pulley (401), one end of direction wire rope (403) connect in both sides of moving platform (304), the other end walk around behind small pulley (401) receive and restraint in winch (402), elevator (218) both sides are equipped with righting pole (404), be equipped with on the end of righting pole (404) line knot (405), direction wire rope (403) penetrate in line knot (405).
3. The hydraulic vertical lift automatic workover rig of claim 1, wherein: lifting device (200) are including locating lifting cylinder (201) in derrick (202), lifting cylinder (201) are including articulating in first cylinder (209) of outer derrick (207) bottom and wear to locate first piston rod (210) in interior derrick (208), the top of first piston rod (210) with the roof of interior derrick (208) is connected, still include first pneumatic cylinder (203), the one end of first pneumatic cylinder (203) articulates on-vehicle chassis (100), and the other end articulates in the middle part of outer derrick (207).
4. The hydraulic vertical lift automatic workover rig of claim 1, wherein: the tourist car (205) include footstock (214), articulate in base (215) of footstock (214) below, both sides are equipped with sheave (216) of coaxial arrangement around footstock (214), wire rope (213) round joint in on sheave (216), elevator (218) hang in through jib (217) on base (215), jib (217) both ends are equipped with rings (220), be equipped with on base (215) and elevator (218) and hold the button that rings (220) were put into.
5. The hydraulic vertical lift automatic workover rig of claim 1, wherein: the tubing coupling detector (302) is sleeved with a protective cover (307), and the protective cover (307) is in a bell mouth shape which gradually diffuses from bottom to top.
6. The hydraulic vertical lift automatic workover rig of claim 1, wherein: be equipped with the rotation axis on coaster (513), be fixed with roating seat (516) on the rotation axis, move one end of tub main arm (514) be fixed in on roating seat (516), lateral lug (517) that outwards stretches out are installed to one side of roating seat (516), still have one end on coaster (513) articulate in on lateral lug (517), the other end articulate in ninth pneumatic cylinder (518) on coaster (513).
7. The hydraulic vertical lift automatic workover rig of claim 1, wherein: the pipe turning main arm comprises a lower swing arm (506) hinged to one side of the base (502), an upper swing arm (507) hinged to one end of the lower swing arm (506) and a grabbing arm (508) arranged at the top end of the upper swing arm (507), and further comprises a sixth hydraulic cylinder (509) hinged to the base (502) at one end and hinged to the bottom of the lower swing arm (506) at the other end, a seventh hydraulic cylinder (510) hinged to the lower swing arm (506) at one end and hinged to the upper swing arm (507) at the other end, and an eighth hydraulic cylinder (511) hinged to the grabbing arm (508) at the other end.
8. The hydraulic vertical lift automatic workover rig of claim 1, wherein: the movable pipe main arm (514) is provided with a plurality of telescopic oil cylinders (519), each telescopic oil cylinder (519) comprises a piston rod vertically penetrating through the movable pipe main arm (514), the manipulator (520) is mounted at the bottom of each piston rod, and the piston rods can drive the manipulator (520) to ascend and descend.
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| CN201910676564.XA CN110295856B (en) | 2019-07-25 | 2019-07-25 | Hydraulic vertical lifting automatic workover rig |
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| CN201910676564.XA CN110295856B (en) | 2019-07-25 | 2019-07-25 | Hydraulic vertical lifting automatic workover rig |
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| CN110295856B true CN110295856B (en) | 2023-12-08 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110685617A (en) * | 2019-11-05 | 2020-01-14 | 胜利油田胜机石油装备有限公司 | Oil field well repairing operation device |
| CN111648727B (en) * | 2020-06-15 | 2022-01-28 | 德州学院 | Automatic well repairing equipment and automatic well repairing method thereof |
| CN112627745B (en) * | 2021-03-10 | 2021-07-23 | 东营市海天自动化工程有限责任公司 | Hydraulic workover rig with high lifting speed |
| CN117418780B (en) * | 2023-12-19 | 2024-03-15 | 河北永明地质工程机械有限公司 | Vehicle-mounted electric drive drilling machine |
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| CN101429847A (en) * | 2008-08-08 | 2009-05-13 | 辽河石油勘探局 | Oil field well workover operation machine |
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| CN210977337U (en) * | 2019-07-25 | 2020-07-10 | 上海兰石重工机械有限公司 | Automatic workover rig |
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| US7077209B2 (en) * | 2001-10-30 | 2006-07-18 | Varco/Ip, Inc. | Mast for handling a coiled tubing injector |
| US7828087B2 (en) * | 2005-08-16 | 2010-11-09 | Theodore Chen Vora | Rocket rig drilling apparatus |
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| US4590823A (en) * | 1984-10-09 | 1986-05-27 | Eckel Manufacturing Company, Inc. | Dual-string tubing tong and method |
| CN101429847A (en) * | 2008-08-08 | 2009-05-13 | 辽河石油勘探局 | Oil field well workover operation machine |
| US8443877B1 (en) * | 2012-12-21 | 2013-05-21 | Larry G. Keast | Drilling rig with top drive and inside blowout preventer |
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