CN206129190U - Cut fork oil pipe lifting machine - Google Patents

Abstract

Cut fork oil pipe lifting machine relates to oil machinery, and include and cut fork hoisting device, cut fork hoisting device by scissors mechanism (31), the support that is equipped with vertical slide (32) makes elevating platform (33) at its top constitute along lift pneumatic cylinder (34) that vertical slide (32) goes up and down with drive scissors mechanism (31), elevating platform (33) the both sides at scissors mechanism (31) top are equipped with oil pipe grabbing device, oil pipe grabbing device comprises snatch pneumatic cylinder (35) of switch machine hand (28) and its action of drive, snatch oil pipe and cross the lift process of accomplishing oil pipe by cutting fork hoisting device through oil pipe grabbing device. It has the advantage that structural design is reasonable, convenient to use is reliable, positioning accuracy is high and degree of automation is high.

Description

Scissor-type oil pipe elevator

Technical field

This utility model is related to petroleum machinery, and in particular to a kind of scissor-type oil pipe elevator, for workover rig with pressure profit Guard system is removed with the intelligence of mechanical hand, is controlled using artificial PLC, realize well head unmanned operation.

Background technology

The workover treatment with pressure of petroleum industry now, major part adopts traditional hydraulic lifting mechanism, is furnished with masts type steel Cord jacking system, carries out the operation of lower oil tube, all by manually being operated at well head scene.It is exactly to produce in recent years Workover rig with pressure, also solve only, the lifting of lower oil pipe, the problems such as decline power and prevent oil-well blowing, it is more than ground Operation still by mast rope hoisting, manually being operated.Operation on well often produces residual liquid and sprays and pollutes well head Problem, it is also possible to produce blowout, explosion accident.String collar threaded connection place is often due to reasons such as silt thromboembolism, corrosions There is stuck phenomenon, turnbuckle clamp cannot spinner, it is also desirable to which artificial punching button, manual work is not only dirty but also tired, also there is potential safety hazard.Stone Oil system is badly in need of wanting the higher unattended platform of intelligence degree to realize the Based Intelligent Control that well head is operated, to substitute tradition Operation form.Due to playing lowering-in operation intelligence control system technical sophistication, needing the key technology for overcoming more, for these years Never it is resolved.

The content of the invention

Technical problem to be solved in the utility model is：A kind of scissor-type oil pipe elevator is provided, for well workover with pressure Wisdom can remove guard system, and using Based Intelligent Control the unmanned operation of well head is realized.

Technical solution of the present utility model is：Scissor-type oil pipe elevator, including scissor-type lifting device, it is described to cut Fork lift device by scissors mechanism, be provided with the support of vertical slideway and drive scissors mechanism to make lifting platform at the top of it vertically The elevator hydraulic cylinder of slideway lifting is constituted, and the lifting platform both sides at the top of scissors mechanism are provided with oil pipe grabbing device, oil pipe crawl Device is by switch machine handss and drives the crawl hydraulic cylinder of its action to constitute, and oil pipe is captured and by scissor by oil pipe grabbing device Formula lifting device crosses the lifting process for completing oil pipe.

It is of the present utility model to have the technical effect that：It has reasonable in design, easy to use and reliable, positioning precision high and oneself The high advantage of dynamicization degree, all processes carry out remote operation by PLC controls, realize well head workbench unmanned operation.Thoroughly Change traditional all by the pattern of manual work, make the workover treatment in oil field, realize the operatorless intellectuality of well head Operation, improves work efficiency, reduces labor intensity and safety operation.

Description of the drawings

Fig. 1 is the overlooking the structure diagram of the intelligent workover rig with pressure of this utility model；

Fig. 2 is the overlooking the structure diagram of this utility model iron driller part；

Fig. 3 is the structural representation of this utility model oil pipe lifting device；

Fig. 4 is the side structure schematic view of this utility model oil pipe lifting device；

Fig. 5 is the structural representation of this utility model switch machine handss；

Fig. 6 is the structural representation of this utility model iron driller part；

Fig. 7 is the structural representation of this utility model impact tong part；

Fig. 8 is the overlooking the structure diagram of this utility model turnbuckle clamp part；

Fig. 9 is the structural representation of the perpendicular rail part of this utility model slide unit；

Figure 10 is the cross section structure diagram of this utility model iron driller device back-up tong mechanism；

Figure 11 is the cross section structure diagram of this utility model impact tong caliper part.

Specific embodiment

As shown in Fig. 1 to 11, this utility model is a kind of workover rig puma manipulator with pressure, lower guard system, is adopted Be furnished with the large-scale lifting hydraulic cylinder of fixed guide pillar, piston rod part install can pinpoint horizontal direction rotate 180 °, The double-manipulator mechanism that vertical direction is rotated by 90 °, and install to the foil gauge of sense mechanism hand pressure at manipulator arm Pressure transducer, iron roughneck systems, elevator arm-and-hand system, at carrying platform 400mm on workover rig it is provided with to examine Open Eddy current test device, automatic residual liquid collecting mechanism and the workover rig device with pressure for surveying box cupling is installed together, PLC's Under control to oil pipe rise, the process of going into the well realize the operatorless intelligent operation of well head.

Workover rig with pressure intelligently removes guard system：

Workover rig is provided with frame 1, tubing string lifting device and iron driller device 2, and iron driller device 2 includes the He of back-up tong mechanism 3 Spinner jaw mechanism 4, it also include for detect tubing coupling position box cupling detection part, for collect unload oil pipe residual liquid Residual liquid collection device 5, the state converter of pipe anyhow 6 for oil pipe, the oil pipe lifting device 8 for being provided with grasping mechanical hand 7, oil The control device of pipe storing unit 9 and each component actuation of control, residual liquid collection device 5 can be clamped on tubing string by two and be constituted One columnar semicylindrical body 10 is constituted, iron driller device 2 be fixed on one can on the movable slide unit 11 of horizontal direction, Oil pipe detects box cupling after lifting by box cupling detection part, box cupling is navigated at iron driller device 2 by tubing string lifting device Box cupling is clamped by back-up tong mechanism 3, spinner jaw mechanism 4 screws off oil pipe, and iron driller device 2 is removed, and residual liquid collection device 5 is by driving machine Structure drives to be clamped on the tubing string pulled down below oil pipe collects the residual liquid flowed out in oil pipe, will by pipe state converter 6 anyhow Oil pipe removes well post position, then by horizontality is vertically switched to, oil pipe lifting device 8 grasps mechanical hand 7 by it will be horizontal The oil pipe of state is sent to ground.

It is additionally provided between the back-up tong mechanism 3 and spinner jaw mechanism 4 and rushes buckle mechanism 12, back-up tong mechanism 3, spinner jaw mechanism 4 Can rush on buckle mechanism 12 on the movable slide unit of horizontal direction with rushing buckle mechanism 12 and being fixed on one by order from bottom to up Be provided with for be embedded in oil pipe nip part 13, located at the both sides of nip part 13 be used for vise oil pipe impact tong clamping device 14 and in The double side acting of nip part 13 rushes button hydraulic cylinder 15 on buckle mechanism 12 is rushed, and back-up tong mechanism 3 clamps tubing coupling, impact tong folder Tight device 14 clamps the oil pipe above box cupling and buckles hydraulic cylinder 15 by punching and impacted, and makes to rush 12 pairs of oil pipes for vising of buckle mechanism and applies Plus impact torsion, afterwards by spinner jaw mechanism 4 to oil pipe spinner.

Iron driller：

The small-sized iron driller of straight line moving formula, including back-up tong mechanism 3 and the spinner jaw mechanism 4 for handling top oil pipe, institute State to be additionally provided between back-up tong mechanism 3 and spinner jaw mechanism 4 and rush buckle mechanism 12, back-up tong mechanism 3, spinner jaw mechanism 4 and rush buckle mechanism 12 are fixed on one by order from bottom to up can be on the movable slide unit 11 of horizontal direction, and rushing that buckle mechanism 12 is provided with can be around The rotation section 40 that tubing string is rotated, rotation section 40 is provided with for being embedded in the nip part 13 of oil pipe, located at the both sides of nip part 13 adopting liquid The impact tong clamping device 14 for vising oil pipe and double side acting the rushing on rotation section 40 in nip part 13 that pressure drives Button hydraulic cylinder 15, back-up tong mechanism 3 clamps tubing coupling, and impact tong clamping device 14 clamps the oil pipe above box cupling and buckles liquid by punching Cylinder pressure 15 is impacted, and makes to rush the oil pipe applying impact torsion that buckle mechanism 12 pairs is vised, and afterwards oil pipe is revolved by spinner jaw mechanism 4 Button.

It is described to rush the teeth 16 that buckle mechanism 12 is provided with circular arc distribution, it is connected with angular transducer by teeth 16, with The corner of buckle mechanism 12 is rushed in acquisition.

The slide unit 11 is provided with perpendicular rail 17 and lifting hydraulic cylinder 42, back-up tong mechanism 3, spinner jaw mechanism 4 and rushes buckle mechanism 12 It is fixed on perpendicular rail 17, being promoted by lifting hydraulic cylinder 42 to move up and down.

Described punching is provided with the bulge loop and groove by circle being engaged between the rotation section 40 of buckle mechanism 12 and back-up tong mechanism 3 The inlay card portion 41 of composition, so that rotation section 40 rotates around tubing string.

The spinner jaw mechanism 4 and rushing is provided with for spring 18 between buckle mechanism 12.

The spinner jaw mechanism 4 is to drive spinner part 20 to carry out spinner by hydraulic motor 19.

Open box cupling Eddy current test mechanism, is the key for accurately setting collar location, is to solve unattended, lower oil The technical problem for having to solve of pipe.The small-sized iron roughneck systems of straight line moving formula, the working range of jaw be Φ 60-145mm, Spinner clamps the inlay card portion of special double rod cylinder, concentric connection between back-up tong mechanism and impact tong mechanism, is to rise During pipe, be ensure tubing thread all can dismantle key, during down tube, be ensure tubing thread all can on arrive The key of standard torque.Buckle mechanism shackle process is rushed, is become rusty on tubing thread or is washed open on button when killing；On snap through journey, will respectively press Into consistent on the moment of torsion detained at hoop, that is to say, that the degree of upper button is the same.

Residual liquid collection device：

Residual liquid collection device 5, including the residual liquid surge drum 21 collected residual liquid in connected container, the residual liquid Surge drum 21 constitutes one close-connected whole columnar half by two in being clamped on tubing string of being hinged of edge Cylinder 10 is constituted, and one of semicylindrical body 10 is fixed on the end of " L " shape support arm 22, and the other end of support arm 22 passes through Two connecting rods 23 are connected with frame 1 in quadrilateral structure, and support arm 22 can be driven the semicylindrical body 10 of its end by driving means Near tubing string, another semicylindrical body 10 is hinged successively on support arm 22 by two head and the tail of connecting rod 23, and semicylindrical body 10 cuts with scissors The free end of outer link 23 is connected on, inboard Sinks 23 are connected with a hydraulic cylinder 24, driving by the hydraulic cylinder 24 can be by two Individual semicylindrical body 10 is filled the span of a man's arms integral around tubing string.

The inwall of residual liquid surge drum 21 is provided with the righting portion for righting oil pipe.

Automatically residual liquid collection device is when oil pipe is played, while surge drum bottom is combined with box cupling, the righting portion of its inwall Use with box cupling para-position also against further righting oil pipe on the oil pipe above box cupling, is played a part of；In lower oil pipe, in oil Pipe is entered before box cupling mouth and plays centralizing function, it is ensured that correct make-up.

Spinner jaw mechanism：

Spinner jaw mechanism 4, including vertically movable turnbuckle clamp body, turnbuckle clamp body is provided with and be connected use with driving means In the roller 25 of shackle, it is characterised in that the roller 25 is two pairs, is fixed respectively on two turning rolls 26, two turning rolls 26 can be fixed on to move toward one another on guide rail 27, and turning rolls 26 and is rotatably mounted to one end hinge of the connecting rod 23 on an axle Connect, the other end and the cylinder rod of hydraulic cylinder 24 of the connecting rod 23 are hinged, by hydraulic cylinder 24 two pair roller 25 can be driven to clamp oil pipe, Being rotated by driving rolls 25 can carry out spinner action.27 position-limiting actions of guide rail, make two pair rollers 25, can only be on straight line Motion, it is ensured that para-position is accurate.Spinner jaw mechanism 4 is to carry out spinner to oil pipe by the rotating in same direction of 19 driving rolls of hydraulic motor 25 's.

Anyhow pipe state converter：

Anyhow pipe state converter 6, including two switch machine handss 28 and two angle driving apparatus 29, two conversions Mechanical hand 28 separates a segment distance and is fixed on a roof beam structure 30, the roof beam structure 30 be fixed on the outfan of an angle driving apparatus 29 with Rotation of the oil pipe of the crawl of switch machine handss 28 on upright plane is realized, the angle driving apparatus 29 are fixed on another angle and drive The outfan of device 29 is realizing oil pipe rotation in the horizontal plane that switch machine handss 28 are captured.

Angle driving apparatus 29 are made using the rotary reducer of fluid motor-driven, and using machinery positioning corner.It is real The driving means 29 of rotational angle can be moved up and down by Driven by Hydraulic Cylinder on existing horizontal plane, so that the oil pipe of mechanical hand crawl Vertical displacement can be produced.

Oil pipe lifting device：

Scissor-type oil pipe elevator, including scissor-type lifting device, the scissor-type lifting device by scissors mechanism 31, set There is the support of vertical slideway 32 and drive scissors mechanism 31 to make the elevator that vertically slideway 32 is lifted of lifting platform 33 at the top of it Hydraulic cylinder 34 is constituted, and the both sides of lifting platform 33 at the top of scissors mechanism 31 are provided with oil pipe grabbing device, and oil pipe grabbing device is by changing Mechanical hand 28 is constituted with the crawl hydraulic cylinder 35 for driving its action, is captured oil pipe by oil pipe grabbing device and is lifted by scissor-type Device completes the lifting process of oil pipe.

The switch machine handss 28 are by the hinged seat 36, one end for being fixed on the crawl hydraulic cylinder 35 cylinder rod both sides and are hinged 36 connecting rods 23 being hinged of seat and the claw 37 being hinged with the other end of connecting rod 23 are constituted, and claw 37 is provided with for card on the inside of leading portion The card-tight part 38 of tight oil pipe, claw 37 is hinged in stage casing with connecting rod 23, and claw 37 is hinged in rear end with the crawl cylinder rod of hydraulic cylinder 35, The folding of switch machine handss 28 can be controlled by the way that cylinder rod is flexible.The structure can make the maximization that switch machine handss angle is opened, It is easy to the crawl of oil pipe and releases, it is also possible to adapts to the caliber of different thicknesses.

The scissors mechanism 31 is provided with directive wheel 39 with the vertical slideway 32 in contact site.

Scissor-type one side elevator arm-and-hand system using scissor-type one side hoisting mechanism, be furnished with two mechanical hands and grab by top Play oil pipe；When playing pipe, oil pipe is taken over from pipe state converter master manipulator paw anyhow.It is sent to tubing rack upper, lower tube When, oil pipe to be caught from tubing rack, master manipulator is given in rising, is put in well head.

Oil pipe storing unit：

For depositing oil pipe on the ground, pipe conveyor supporting plate is the frame structure for being provided with a storage plane, and oil pipe is parallel It is placed on oil pipe storing unit, storage plane can be driven banking by driving means, such that it is able to make to be arranged in it On oil pipe to one side roll, rise pipe deposit when outside side roll, inside side roll then facilitates mechanical hand to capture during down tube.

The working range of this utility model jaw is Φ 60-145mm, and whole system be able to can be suitable for by vehicle-mounted operation Workover treatment is carried out in the scope of oil pipe caliber Φ 60-145mm.

Pipe process is played, operative employee operates first workover rig with pressure, oil pipe is lifted from well head.At this moment pipe State Transferring anyhow The mechanical hand of device can play a part of righting oil pipe.When box cupling reaches box cupling eddy current measurement device, by PLC controls, make Box cupling top is parked on rig hoist system with pressure at carrying platform 400mm, at this moment into full-automatic process.Before iron driller OK, jaw center and oil pipe center superposition, back-up tong clamps box cupling, and impact tong clamps oil pipe, starts punching button.Detect tubing thread pine Stopping action after opening, unclamps impact tong, and turnbuckle clamp clamps oil pipe and starts shackle.After tubing thread is all dismantled, iron driller is return Original position, residual liquid collection system moves ahead and clamps box cupling, and anyhow pipe state converter rises 100mm tapping.After residual liquid is discharged, residual liquid Collection system returns original position.Anyhow pipe state converter horizontal direction rotation first removes pipe for 180 °, then be vertically rotated by 90 ° by Pipe keeps flat to be given scissor-type elevator and pipe is transferred on pipe conveyor supporting plate, and pipe conveyor transfers to oil pipe on tubing rack.Conversely, Down tube process is then completed, impact tong can screw in oil pipe according to the instruction of pressure transducer.

Claims (3)

1. scissor-type oil pipe elevator, including scissor-type lifting device, it is characterised in that the scissor-type lifting device is by scissor Mechanism（31）, be provided with vertical slideway（32）Support and drive scissors mechanism（31）Make the lifting platform at the top of it（33）Vertically slide Road（32）The elevator hydraulic cylinder of lifting（34）Constitute, scissors mechanism（31）The lifting platform at top（33）Both sides are provided with oil pipe crawl Device, oil pipe grabbing device is by switch machine handss（28）With the crawl hydraulic cylinder for driving its action（35）Constitute, grabbed by oil pipe Take device crawl oil pipe and the lifting process for completing oil pipe is crossed by scissor-type lifting device.

2. scissor-type oil pipe elevator as claimed in claim 1, it is characterised in that the switch machine handss（28）By being fixed on The crawl hydraulic cylinder（35）The hinged seat of cylinder rod both sides（36）, one end and hinged seat（36）The connecting rod being hinged（23）And with connecting rod （23）The claw that the other end is hinged（37）Constitute, claw（37）It is provided with the inside of leading portion for the card-tight part of clamping oil pipe （38）, claw（37）In stage casing and connecting rod（23）It is hinged, claw（37）In rear end and crawl hydraulic cylinder（35）Cylinder rod is hinged, and passes through Cylinder rod is flexible can to control switch machine handss（28）Folding.

3. scissor-type oil pipe elevator as claimed in claim 1, it is characterised in that the scissors mechanism（31）It is vertical with described Slideway（32）Directive wheel is provided with contact site（39）.