CN106437564A - Straight line moving type small-sized iron roughneck - Google Patents
Straight line moving type small-sized iron roughneck Download PDFInfo
- Publication number
- CN106437564A CN106437564A CN201610884670.3A CN201610884670A CN106437564A CN 106437564 A CN106437564 A CN 106437564A CN 201610884670 A CN201610884670 A CN 201610884670A CN 106437564 A CN106437564 A CN 106437564A
- Authority
- CN
- China
- Prior art keywords
- oil pipe
- spinner
- straight line
- tong
- line moving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- E21B19/16—Connecting or disconnecting pipe couplings or joints
- E21B19/165—Control or monitoring arrangements therefor
Abstract
The invention discloses a straight line moving type small-sized iron roughneck, and relates to petroleum machinery. A back-up wrench mechanism (3), a spinning wrench mechanism (4) and a buckle punching mechanism (12) are fixed on a sliding table (11) capable of moving from front to back in the horizontal direction; a rotating part (40) capable of rotating around a tubular column is arranged on the buckle punching mechanism (12), and is provided with a jaw part (13) embedded into an oil pipe, buckle punching wrench clamping devices (14) which are arranged on two sides of the jaw part (13) and are used for wrenching the oil pipe, and buckle punching hydraulic cylinders (15) which are arranged on two sides of the jaw part (13) and act on the rotating parts (40); the back-up wrench mechanism (3) wrenches an oil pipe connection hoop; the buckle punching wrench clamping devices (14) wrench the oil pipe above the connection hoop and realize punching through the buckle punching hydraulic cylinders (15), so that the buckle punching mechanism (12) applies punching torsion to the wrenched oil pipe; and the spinning wrench mechanism (4) buckles the oil pipe in a spinning manner. The straight line moving type small-sized iron roughneck has the advantages of reasonable structural design, convenience and reliability in use, high locating precision and high degree of automation.
Description
Technical field
The present invention relates to petroleum machinery, and in particular to a kind of small-sized iron driller of straight line moving formula, for workover rig with pressure profit
Guard system is removed with the intelligence of mechanical hand, controlled using artificial PLC, realize well head unmanned operation.
Background technology
The workover treatment with pressure of petroleum industry now, most of using traditional hydraulic lifting mechanism, it 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, more than ground
Operation still by mast rope hoisting, manually being operated.On well, operation 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, realizes the Based Intelligent Control of well head operation, 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.
Content of the invention
The technical problem to be solved is：There is provided a kind of straight line moving formula small-sized iron driller, for well workover with pressure
Wisdom can remove guard system, realize the unmanned operation of well head using Based Intelligent Control.
The technical solution of the present invention is：The small-sized iron driller of straight line moving formula, including back-up tong mechanism and for handling
The spinner jaw mechanism of square oil pipe, is additionally provided between the back-up tong mechanism and spinner jaw mechanism and rushes buckle mechanism, back-up tong mechanism, turnbuckle clamp
Mechanism and rush buckle mechanism and one is fixed on by order from bottom to up and can rush on buckle mechanism on the movable slide unit of horizontal direction
Be provided with can around tubing string rotate rotation section, rotation section be provided with for be embedded in oil pipe nip part, located at nip part both sides for clamping
Firmly the impact tong clamping device of oil pipe and double side acting the rushing on rotation section in nip part buckle hydraulic cylinder, and back-up tong mechanism clamps
Tubing coupling, impact tong clamping device clamps the oil pipe above box cupling and buckles hydraulic cylinder by punching and impacted, and makes to rush buckle mechanism pair
The oil pipe for vising applies impact torsion, afterwards by spinner jaw mechanism to oil pipe spinner.
The solution have the advantages that：It has reasonable in design, the high and automatization of easy to use and reliable, positioning precision
The high advantage of degree, all processes carry out remote operation by PLC control, realize well head workbench unmanned operation.Thoroughly change
Traditional whole patterns by manual work, make the workover treatment in oil field, it is achieved that the operatorless intelligent operation of well head,
Improve work efficiency, reduce 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 the present invention；
Fig. 2 is the overlooking the structure diagram of iron driller part of the present invention；
Fig. 3 is the structural representation of oil pipe lifting device of the present invention；
Fig. 4 is the side structure schematic view of oil pipe lifting device of the present invention；
Fig. 5 is the structural representation of switch machine handss of the present invention；
Fig. 6 is the structural representation of iron driller part of the present invention；
Fig. 7 is the structural representation of impact tong part of the present invention；
Fig. 8 is the overlooking the structure diagram of turnbuckle clamp part of the present invention；
Fig. 9 erects the structural representation of rail part for slide unit of the present invention；
Figure 10 is the cross section structure diagram of iron driller device back-up tong mechanism of the present invention；
Figure 11 is the cross section structure diagram of impact tong caliper part of the present invention.
Specific embodiment
As shown in Fig. 1 to 11, the present invention be a kind of workover rig puma manipulator with pressure rise, lower guard system, using being furnished with
The large-scale lifting hydraulic cylinder of fixing guide pillar, piston rod part install can pinpoint horizontal direction rotate 180 °, vertical
The double-manipulator mechanism that direction rotates 90 °, and the foil gauge pressure in order to sense mechanism hand pressure is installed at manipulator arm
Sensor, iron roughneck systems, elevator arm-and-hand system, it is provided with to detect at carrying platform 400mm on workover rig and connects
The open Eddy current test device of hoop, automatic residual liquid collecting mechanism and workover rig device with pressure are installed together, in the control of PLC
Under 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 back-up tong mechanism 3 and spinner
Jaw mechanism 4, it is also included for the box cupling detection part for detecting tubing coupling position, the residual liquid for unloading oil pipe residual liquid for collection
Collection device 5, for oil pipe the state converter of pipe anyhow 6, be provided with grasp mechanical hand 7 oil pipe lifting device 8, oil pipe deposit
The control device of device 9 and each component actuation of control is put, residual liquid collection device 5 can be clamped on tubing string by two and constitute one
Columnar semicylindrical body 10 is constituted, and iron driller device 2 is fixed on one can be on the movable slide unit 11 of horizontal direction, oil pipe
After lifting, box cupling being detected by box cupling detection part, box cupling is navigated at iron driller device 2 by carrying on the back by tubing string lifting device
Jaw mechanism 3 clamps box cupling, and spinner jaw mechanism 4 screws off oil pipe, and iron driller device 2 is removed, and residual liquid collection device 5 is driven by drive mechanism
Dynamic being clamped on the tubing string that pulls down below oil pipe collects the residual liquid for flowing out in oil pipe, by pipe state converter 6 anyhow by oil pipe
Well post position is removed, then by horizontality is vertically switched to, oil pipe lifting device 8 grasps mechanical hand 7 by horizontality by which
Oil pipe is sent to ground.
It is additionally provided between the back-up tong mechanism 3 and spinner jaw mechanism 4 and buckle mechanism 12 is rushed, 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 13 both sides of nip part for vise oil pipe impact tong clamping device 14 and in
The double side acting of nip part 13 rushing on buckle mechanism 12 is rushed detains hydraulic cylinder 15, and back-up tong mechanism 3 clamps tubing coupling, and impact tong is pressed from both sides
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, the spinner jaw mechanism 4 including back-up tong mechanism 3 and for loading and unloading top oil pipe, the back of the body
Be additionally provided between jaw 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 by
Order from bottom to up is fixed on one can be on the movable slide unit 11 of horizontal direction, and rushing that buckle mechanism 12 is provided with can be around tubing string
The rotation section 40 of rotation, rotation section 40 be provided with for be embedded in oil pipe nip part 13, located at 13 both sides of nip part using hydraulic pressure drive
The dynamic impact tong clamping device 14 for vising oil pipe and liquid is buckled in double side acting the rushing on rotation section 40 of nip part 13
Cylinder pressure 15, back-up tong mechanism 3 clamps tubing coupling, and impact tong clamping device 14 clamps the oil pipe above box cupling and buckles hydraulic cylinder by punching
15 are impacted, and make to rush the oil pipe applying impact torsion that buckle mechanism 12 pairs is vised, afterwards by spinner jaw mechanism 4 to oil pipe spinner.
The buckle mechanism 12 that rushes is provided with the teeth 16 that circular arc is distributed, and is connected with angular transducer by teeth 16, 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, is promoted by lifting hydraulic cylinder 42 and can move up and down.
Described punching is provided with bulge loop and the groove by circle for matching 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 is rotated around tubing string.
The spinner jaw mechanism 4 is provided with buffer spring 18 with rushing 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 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, is become rusty on tubing thread or when killing, button is washed open；On snap through journey, respectively will press
Become consistent on the moment of torsion that detains 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 residual liquid to be collected the residual liquid surge drum 21 in connected container, the residual liquid is collected
Cylinder 21 constitutes a close-connected whole columnar semicircular cylinder by two in being clamped on tubing string of being hinged of edge
Body 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 rod 23 is connected in quadrilateral structure with frame 1, and support arm 22 can be driven by driving means will be close for the semicylindrical body 10 of its end
Tubing string, another semicylindrical body 10 is hinged on support arm 22 successively by two connecting rods, 23 head and the tail, and semicylindrical body 10 is hinged on
The free end of outer link 23, inboard Sinks 23 are connected with a hydraulic cylinder 24, and being driven by the hydraulic cylinder 24 can be by two and half
Cylinder 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 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 is provided with and is connected to unload with driving means
The roller 25 of button, it is characterised in that the roller 25 is two pairs, to be fixed on two turning rolls 26 respectively, and two turning rolls 26 can
Move toward one another it is fixed on guide rail 27, one end that turning rolls 26 is rotatably mounted to the connecting rod 23 on an axle with is hinged,
The other end of the connecting rod 23 is hinged with 24 cylinder rod of hydraulic cylinder, two pair roller 25 can be driven to clamp oil pipe by hydraulic cylinder 24, lead to
Roller 25 of overdriving is rotated and can carry out spinner action.27 position-limiting actions of guide rail, make two pair rollers 25, can only transport on straight line
Dynamic, it is ensured that para-position is accurate.Spinner jaw mechanism 4 is to carry out spinner by 19 driving rolls of hydraulic motor, 25 rotating in same direction to oil pipe
's.
Anyhow pipe state converter：
Anyhow pipe state converter 6, including two switch machine handss 28 and two angle driving apparatus 29, two switch machines
Handss 28 separate a segment distance and are fixed on a roof beam structure 30, and the roof beam structure 30 is fixed on the outfan of angle driving apparatus 29 to realize
Rotation of the oil pipe that switch machine handss 28 are captured on upright plane, the angle driving apparatus 29 are fixed on another angle driving apparatus
29 outfan is to realize the oil pipe rotation in the horizontal plane of the crawl of switch machine handss 28.
Angle driving apparatus 29 are made using the rotary reducer of fluid motor-driven, and adopt machinery positioning corner.Real
The angle driving apparatus 29 for rotating on existing horizontal plane can be moved up and down by Driven by Hydraulic Cylinder, 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, be provided with perpendicular
Support and the elevator hydraulic pressure that vertically slideway 32 is lifted of lifting platform 33 for driving scissors mechanism 31 to make its top to slideway 32
Cylinder 34 is constituted, and 33 both sides of lifting platform at 31 top of scissors mechanism are provided with oil pipe grabbing device, and oil pipe grabbing device is by switch machine
The crawl hydraulic cylinder 35 of handss 28 and its action of driving is constituted, and captures oil pipe and by scissor-type lifting device by oil pipe grabbing device
Complete 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 35 cylinder rod both sides of hydraulic cylinder and hinged seat 36
Hinged connecting rod 23 and the claw 37 hinged with 23 other end of connecting rod are constituted, and claw 37 is provided with for clamping oil in the inner side of leading portion
The card-tight part 38 of pipe, claw 37 is hinged with connecting rod 23 in stage casing, and claw 37 is hinged with crawl 35 cylinder rod of hydraulic cylinder in rear end, passes through
Cylinder rod is flexible can to control 28 folding of switch machine handss.The structure can make the maximization that switch machine handss angle is opened, and be easy to
The crawl of oil pipe and get loose, it is also possible to adapt 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 is using scissor-type one side hoisting mechanism, and top is furnished with two mechanical hands and grabs
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, from tubing rack, oil pipe is caught, rise and master manipulator is given, be 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 to be placed on
On oil pipe storing unit, storage plane can be driven banking by driving means, such that it is able to make arrangement thereon
Oil pipe is rolled to one side, outside side roll when playing pipe storage, and during down tube, inside side roll then facilitates mechanical hand to capture.
The working range of jaw of the present invention is Φ 60-145mm, and whole system can go for oil by vehicle-mounted operation
The scope of pipe caliber Φ 60-145mm carries out workover treatment.
Pipe process is played, operative employee operates workover rig with pressure first, 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 control, make
Box cupling top is parked on rig hoist system with pressure at carrying platform 400mm, at this moment enters 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 clamping oil pipe starts shackle.After tubing thread is all dismantled, iron driller is return
Original position, residual liquid collection system moves ahead clamping box cupling, and pipe state converter rises 100mm tapping anyhow.After residual liquid is discharged, residual liquid
Collection system returns original position.Pipe is first removed for 180 ° by pipe state converter horizontal direction rotation anyhow, then vertically rotate 90 ° by
Pipe keeps 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, and oil pipe can be screwed by impact tong according to the instruction of pressure transducer.
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）、
Spinner jaw mechanism（4）With rush buckle mechanism（12）One being fixed on by order from bottom to up can the movable slide unit of horizontal direction
（11）On, rush buckle mechanism（12）The rotation section that can rotate is provided with around tubing string（40）, rotation section（40）It is provided with for being embedded in oil pipe
Nip part（13）, be located at nip part（13）Both sides are used for vising the impact tong clamping device of 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）Clamp tubing coupling, impact tong clamping 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 for vising
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 rush buckle mechanism（12）It is provided with
The teeth of circular arc distribution（16）, by teeth（16）Being 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）It is 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）Promote and 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 rush buckle mechanism（12）'s
Rotation section（40）With back-up tong mechanism（3）Between be provided with the inlay card portion being made up of circular bulge loop and groove for matching（41）, with
Make rotation section（40）Rotate 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
By hydraulic motor（19）Drive spinner part（20）Carry out spinner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610884670.3A CN106437564A (en) | 2016-10-10 | 2016-10-10 | Straight line moving type small-sized iron roughneck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610884670.3A CN106437564A (en) | 2016-10-10 | 2016-10-10 | Straight line moving type small-sized iron roughneck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106437564A true CN106437564A (en) | 2017-02-22 |
Family
ID=58173103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610884670.3A Pending CN106437564A (en) | 2016-10-10 | 2016-10-10 | Straight line moving type small-sized iron roughneck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106437564A (en) |
-
2016
- 2016-10-10 CN CN201610884670.3A patent/CN106437564A/en active Pending
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| PB01 | Publication | ||
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Application publication date: 20170222 |