CN206753520U - The small-sized iron driller of straight line moving formula - Google Patents

Abstract

The utility model discloses the small-sized iron driller of straight line moving formula, it is related to petroleum machinery.The small-sized iron driller of straight line moving formula, including back-up tong mechanism, spinner jaw mechanism and rush buckle mechanism, back-up tong mechanism, spinner jaw mechanism and rush buckle mechanism be fixed on one can be on the movable slide unit of horizontal direction, rush buckle mechanism be provided with can around tubing string rotate rotation section, rotation section is provided with the nip part for being used for being embedded in oil pipe, it is used to vise the impact tong clamping device of oil pipe located at nip part both sides and buckles hydraulic cylinder in double side acting the rushing on rotation section of nip part, back-up tong mechanism clamps tubing coupling, impact tong clamping device, which clamps the oil pipe above box cupling and buckles hydraulic cylinder by punching, to be impacted, make to rush buckle mechanism and impact torsion is applied to the oil pipe vised, afterwards by spinner jaw mechanism to oil pipe spinner.It has the advantages of reasonable in design, easy to use and reliable, positioning precision is high and automaticity is high.

Description

The small-sized iron driller of straight line moving formula

Technical field

It the utility model is related to petroleum machinery, and in particular to a kind of small-sized iron driller of straight line moving formula, for well workover with pressure Machine removes guard system using the intelligence of manipulator, is controlled using artificial PLC, realizes well head unmanned operation.

Background technology

The workover treatment with pressure of present petroleum industry, it is most of to use traditional hydraulic lifting mechanism, equipped with masts type steel Cord jacking system, the operation of lower oil tube is carried out, all by manually being operated at well head scene.Exactly produce in recent years Workover rig with pressure, also solve only, the lifting of lower oil pipe, the problems such as declining power and preventing oil-well blowing, it is more than ground Operation is manually operated still by mast rope hoisting.Operation, which often produces raffinate and sprayed, on well 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 embolism, corrosions There is stuck phenomenon, turnbuckle clamp can not spinner, it is also desirable to which artificial punching button, manual work is not only dirty but also tired, potential safety hazard also be present.Stone Oil system is badly in need of wanting the higher unattended platform of intelligence degree, to realize the intelligent control of well head operation, to substitute tradition Operation form.Because the key technology for playing lowering-in operation intelligence control system technical sophistication, needs overcome is 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 small-sized iron driller of straight line moving formula is provided, for pressure Workover rig intelligently removes guard system, and the unmanned operation of well head is realized using intelligent control.

Technical solution of the present utility model is：The small-sized iron driller of straight line moving formula, including back-up tong mechanism and for filling The spinner jaw mechanism of top oil pipe is unloaded, is additionally provided between the back-up tong mechanism and spinner jaw mechanism and rushes buckle mechanism, back-up tong mechanism, punching Buckle mechanism and spinner jaw mechanism are fixed on one by order from bottom to up to rush deduction on the movable slide unit of horizontal direction Structure, which is provided with, to be used around the rotation section that tubing string rotates, rotation section provided with the nip part for being embedded in oil pipe, located at nip part both sides Hydraulic cylinder, back-up tong mechanism are buckled in the impact tong clamping device for vising oil pipe and in double side acting the rushing on rotation section of nip part Tubing coupling is clamped, impact tong clamping device, which clamps the oil pipe above box cupling and buckles hydraulic cylinder by punching, to be impacted, and makes to rush deduction Structure applies impact torsion to the oil pipe vised, afterwards by spinner jaw mechanism to oil pipe spinner.

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 from The advantages of dynamicization degree is high, all processes are controlled by PLC and carry out remote operation, 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 unattended intellectuality of well head Operation, improve operating efficiency, reduce labor intensity and safety operation.

Brief description of the drawings

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

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

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

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

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

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

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

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

Fig. 9 is the structural representation that the utility model slide unit erects rail part；

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

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

Embodiment

As shown in Fig. 1 to 11, the utility model be a kind of workover rig puma manipulator with pressure rise, lower guard system, using Large-scale lifting hydraulic cylinder equipped with fixed guide pillar, piston rod part installation can pinpoint horizontal direction rotate 180 °, The double-manipulator mechanism that vertical direction is rotated by 90 °, and at manipulator arm install to sense mechanism hand pressure foil gauge Pressure sensor, iron roughneck systems, elevator arm-and-hand system, it is provided with to examine at carrying platform 400mm on workover rig Open Eddy current test device, automatic raffinate collecting mechanism and the workover rig device with pressure for surveying box cupling are installed together, PLC's Under control to oil pipe rise, the process of going into the well realize the unattended 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 is also including being used to detect the box cupling detection part of tubing coupling position, unloading oil pipe raffinate for collecting Raffinate collection device 5, the vertical and horizontal pipe state converter 6 for oil pipe, the oil pipe lifting device 8 provided with grasping manipulator 7, oil Pipe storing unit 9 and the control device for controlling each component actuation, raffinate collection device 5 can be clamped on tubing string by two and formed One columnar semicylindrical body 10 is formed, iron driller device 2 be fixed on one can on the movable slide unit 11 of horizontal direction, Oil pipe by box cupling detection part detects box cupling after lifting, and is navigated to box cupling 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 removes, and raffinate collection device 5 is by driving machine Structure driving is clamped on the raffinate collected on the tubing string pulled down below oil pipe and flowed out in oil pipe, will by vertical and horizontal pipe state converter 6 Oil pipe removes well post position, then by switching to horizontality vertically, oil pipe lifting device 8 grasps manipulator 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, rushes the and of buckle mechanism 12 Spinner jaw mechanism 4 is fixed on one by order from bottom to up to rush buckle mechanism 12 on the movable slide unit 11 of horizontal direction It is used for the and of impact tong clamping device 14 for vising oil pipe provided with the nip part 13 for being embedded in oil pipe, located at the both sides of nip part 13 Button hydraulic cylinder 15 is rushed on buckle mechanism 12 is rushed in the double side acting of nip part 13, back-up tong mechanism 3 clamps tubing coupling, impact tong Clamping device 14 clamps the oil pipe above box cupling and is buckled hydraulic cylinder 15 by punching and is impacted, and makes to rush buckle mechanism 12 to the oil pipe that vises Apply 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 loading and unloading 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, rush buckle mechanism 12 and spinner jaw mechanism 4 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 rotates, rotation section 40 use liquid provided with the nip part 13 for being embedded in oil pipe, located at the both sides of nip part 13 What pressure drove is used to vise the impact tong clamping device 14 of oil pipe and double side acting the rushing on rotation section 40 in nip part 13 Hydraulic cylinder 15 is detained, 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 buckle mechanism 12 to the oil pipe application impact torsion vised, oil pipe is revolved by spinner jaw mechanism 4 afterwards Button.

The teeth 16 rushed buckle mechanism 12 and be provided with circular arc distribution, are connected by teeth 16 with angular transducer, with Obtain the corner for rushing buckle mechanism 12.

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.

The bulge loop and groove by circle being engaged are provided between the rotation section 40 for rushing 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 rush between buckle mechanism 12 and be provided with buffer spring 18.

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

Raffinate collection device：

Raffinate collection device 5, including the raffinate surge drum 21 raffinate being collected into connected container, the raffinate Surge drum 21 forms one close-connected whole columnar half by two in being clamped on tubing string of being hinged of edge Cylinder 10 is formed, 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 First support arm connecting rod 231 and second support arm connecting rod 232 are connected with frame 1 in quadrilateral structure, and support arm 22 can be driven by drive device The dynamic semicylindrical body 10 by its end is first by outer link 233 and inboard Sinks 234 close to tubing string, another semicylindrical body 10 Tail is hinged on support arm 22 successively, and semicylindrical body 10 is hinged on the free end of outer link 233, inboard Sinks 234 and one Arm hydraulic cylinder 241 connects, and two semicylindrical bodies 10 can be filled the span of a man's arms into one around tubing string by the branch arm hydraulic cylinder 241 driving Body.

The inwall of institute's raffinate surge drum 21 is provided with the righting portion for righting oil pipe.

Automatic raffinate collection device is when playing oil pipe, while surge drum bottom is combined with box cupling, the righting portion of its inwall Used also against further righting oil pipe on the oil pipe above box cupling, is played a part of with box cupling contraposition；In lower oil pipe, in oil Pipe plays centralizing function before entering box cupling mouth, it is ensured that correct make-up.

Spinner jaw mechanism：

Spinner jaw mechanism 4, including vertically movable turnbuckle clamp body, turnbuckle clamp body are provided with and use are connected with drive device 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 one is rotatably mounted to one end hinge of the connecting rod 23 on an axle Connecing, the other end and the cylinder rod of hydraulic cylinder 24 of the connecting rod 23 are hinged, and by hydraulic cylinder 24 two pair rollers 25 can be driven to clamp oil pipe, Spinner action can be carried out by driving roller 25 to rotate.Guide rail 27 plays position-limiting action, makes two pair rollers 25, can only be on straight line Motion, it is ensured that contraposition is accurate.Spinner jaw mechanism 4 is to drive roller 25 to rotate in same direction by hydraulic motor 19 to carry out spinner to oil pipe 's.

Vertical and horizontal pipe state converter：

Vertical and horizontal pipe state converter 6, including two switch machine hands 28 and two angle driving apparatus 29, two conversions Manipulator 28 separates a segment distance and is fixed on a roof beam structure 30, the roof beam structure 30 be fixed on the output end of an angle driving apparatus 29 with Rotation of the oil pipe of the crawl of switch machine hand 28 on upright plane is realized, the angle driving apparatus 29 is fixed on another angle driving The output end of device 29 is to realize oil pipe rotation in the horizontal plane that switch machine hand 28 captures.

Angle driving apparatus 29 is made of the rotary reducer of fluid motor-driven, and uses machinery positioning corner.It is real The angle driving apparatus 29 rotated on existing horizontal plane can be moved up and down, so that the oil pipe of manipulator crawl by Driven by Hydraulic Cylinder 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 lift that vertically slideway 32 lifts of lifting platform 33 at the top of it Hydraulic cylinder 34 is formed, 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 Crawl hydraulic cylinder 35 of its action of manipulator 28 and driving is formed, and 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 hand 28 is by being fixed on the hinged seat 36 for capturing the cylinder rod both sides of hydraulic cylinder 35, one end with being hinged The be hinged claw connecting rod 235 of seat 36 and the claw 37 being hinged with the other end of claw connecting rod 235 are formed, and claw 37 is in the inner side of leading portion Provided with the card-tight part 38 for clamping oil pipe, claw 37 is be hinged in stage casing and claw connecting rod 235, and claw 37 is in rear end and crawl liquid The cylinder rod of cylinder pressure 35 is hinged, and the folding of switch machine hand 28 can be controlled by the way that cylinder rod is flexible.The structure can make switch machine hand angle The maximization opened is spent, is easy to the crawl of oil pipe and releases, the caliber of different thicknesses can also be adapted to.

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 uses scissor-type one side hoisting mechanism, and top is grabbed equipped with two manipulators Play oil pipe；When playing pipe, oil pipe is taken over from vertical and horizontal pipe state converter master manipulator paw.It is sent to tubing rack upper, lower tube When, oil pipe is caught from tubing rack, master manipulator is given in rising, is put into well head.

Oil pipe storing unit：

For depositing oil pipe on the ground, pipe conveyor supporting plate is the frame structure 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 drive device, so as to so as to be arranged in it On oil pipe rolled to one side, outside side roll when playing pipe storage, inside side roll then facilitates manipulator to capture during down tube.

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

Pipe process is played, operative employee operates workover rig with pressure, oil pipe is lifted from well head first.At this moment vertical and horizontal pipe State Transferring The manipulator of device can play a part of righting oil pipe.When box cupling reaches box cupling eddy current measurement device, controlled, made by PLC It is parked at the top of box cupling 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 clamp box cupling, and impact tong clamps oil pipe, start punching button.Detect tubing thread pine Stopping acts after opening, and unclamps impact tong, and turnbuckle clamp clamps oil pipe and starts shackle.After tubing thread is all dismantled, iron driller is retracted Original position, raffinate collection system, which moves ahead, clamps box cupling, and vertical and horizontal pipe state converter rises 100mm tapping.After raffinate discharges, raffinate Collection system retracts original position.Vertical and horizontal pipe state converter horizontal direction rotation first removes pipe for 180 °, then be vertically rotated by 90 ° by Pipe, which is kept flat, to be given scissor-type elevator and transfers to pipe 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 oil pipe according to the instruction of pressure sensor.

Claims (6)

1. the small-sized iron driller of straight line moving formula, including back-up tong mechanism（3）With the spinner jaw mechanism for loading and unloading top oil pipe（4）, Characterized in that, the back-up tong mechanism（3）With spinner jaw mechanism（4）Between be additionally provided with and rush buckle mechanism（12）, back-up tong mechanism（3）、 Rush buckle mechanism（12）With spinner jaw mechanism（4）Being fixed on one by order from bottom to up can the movable slide unit of horizontal direction （11）On, rush buckle mechanism（12）Being provided with can be around the rotation section that tubing string rotates（40）, rotation section（40）Provided with for being embedded in oil pipe Nip part（13）, located at nip part（13）Both sides are used for the impact tong clamping device for vising oil pipe（14）With in nip part（13） Double side acting in rotation section（40）On rush button hydraulic cylinder（15）, back-up tong mechanism（3）Tubing coupling is clamped, impact tong clamps dress Put（14）Clamp the oil pipe above box cupling and hydraulic cylinder is buckled by punching（15）Impacted, make to rush buckle mechanism（12）To the oil pipe vised Apply impact torsion, afterwards by spinner jaw mechanism（4）To oil pipe spinner.

2. the small-sized iron driller of straight line moving formula as claimed in claim 1, it is characterised in that described to rush buckle mechanism（12）It is provided with The teeth of circular arc distribution（16）, pass through teeth（16）It is connected with angular transducer, buckle mechanism is rushed to obtain（12）Corner.

3. the small-sized iron driller of straight line moving formula as claimed in claim 1, it is characterised in that the slide unit（11）Provided with perpendicular rail （17）And lifting hydraulic cylinder（42）, back-up tong mechanism（3）, spinner jaw mechanism（4）With rush buckle mechanism（12）It is fixed on perpendicular rail（17）On, By lifting hydraulic cylinder（42）Promotion can move up and down.

4. the small-sized iron driller of straight line moving formula as described in claim 1 or 3, it is characterised in that described to rush buckle mechanism（12）'s Rotation section（40）With back-up tong mechanism（3）Between be provided with the bulge loop by circle being engaged and the inlay card portion that forms of groove（41）, with Make rotation section（40）Rotated around tubing string.

5. the small-sized iron driller of straight line moving formula as claimed in claim 1, it is characterised in that the spinner jaw mechanism（4）With punching Buckle mechanism（12）Between be provided with buffer spring（18）.

6. the small-sized iron driller of straight line moving formula as described in claim 1 or 5, it is characterised in that the spinner jaw mechanism（4）It is Pass through hydraulic motor（19）Drive spinner part（20）Carry out spinner.