CN106948775A - A kind of rail mounted iron driller - Google Patents

Abstract

The present invention relates to a kind of rail mounted iron driller, for carrying out button and/or shackle operation to top tube and bottom tube, it is characterised in that including track；Pedestal, can run to operating position forward along the track, or run backward with away from operating position；Turnbuckle clamp, is arranged on the pedestal；On unload clasp forceps, be arranged on the pedestal and below the turnbuckle clamp.Iron driller involved in the present invention is rail mounted iron driller, for cantilevered iron driller, breaches limitation of the jib-length to working range, significantly increases the working range of iron driller.

Description

A kind of rail mounted iron driller

Technical field

The present invention relates to a kind of drilling well and workover rig, especially a kind of rail mounted iron driller.

Background technology

In the drilling process and maintenance process of oil well, generally wrapped for completing the upper button of drilling tool and the instrument of shackle Include hydraulic tongs and telescopic boom iron driller.Conventional upper shackle instrument is hydraulic tongs in practice, but hydraulic tongs is automatic Change low degree, operator's labor intensity is big；Develop the telescopic boom iron driller of high degree of automation afterwards, can the person of lightening one's labor Intensity, but because of the limitation of brachium, operating distance is limited.

The authorized U of Chinese patent literature CN 202689976 of the applicant disclose a kind of cantilevered iron driller, bag Include：Column bases；Telescopic arm, its one end is stretched out from column bases；On unload clasp forceps, installed in the other end of telescopic arm；Turnbuckle clamp, Installed in above unloading above clasp forceps；Jaw centering machine, is consolidated in and unloads below clasp forceps；Telescopic arm includes：Postbrachium, from column bases Stretch out, by postbrachium hydraulic oil cylinder driving；Forearm, is connected by middle frame with postbrachium, by forearm hydraulic oil cylinder driving.This application overcomes existing The low defect of automaticity in technology, with following outstanding advantages：First, telescopic arm sets forearm and postbrachium, wherein forearm by Forearm hydraulic oil cylinder driving, postbrachium is by postbrachium hydraulic oil cylinder driving so that above unload clasp forceps, turnbuckle clamp position adjustment it is more flexible；2nd, column Pedestal has the elevating mechanism for driving telescopic arm lifting, is accurately positioned so as to the height and position to operation, in addition also With the rotating mechanism for driving telescopic arm rotation so that equipment can be turned round in itself, such as can turn round ± 180 °；3rd, On unload clasp forceps the operation of big angle of rotation can be realized in upper button or shackle, for example rotational angle can reach 60 °, be similar at present Twice of equipment；4th, the caliper reset function at the end of turnbuckle clamp has stroke compensation function, spinner in spinner, and unload Reliable tripping function during button.

Above-mentioned application achieves good effect in actual use, achieves significantly enter compared with prior art Step, but in practical operation, still encounter some problems, specifically include following aspect：

First, former scheme is cantilevered iron driller, and working range is limited by jib-length；

2nd, turnbuckle clamp is provided with the displacement compensating mechanism of vertical direction, for compensating spinner assembly in the position of vertical direction Move, but without the device of compensation level displacement, when pipe fitting has angle of inclination in vertical direction, the angle of inclination can cause pipe fitting The deviation of position and clamp center in the horizontal direction, causes clamping effect to detract；

3rd, cleaning device is not provided with, the screw thread that docking need to be treated by external equipment is cleared up, when extending operation Between, automaticity is affected；

4th, mud blowout hookup is not provided with, completes after shackle, needs iron driller first to exit, is then come again by external equipment The mud sprayed under high pressure effect is collected, this make it that the activity duration extends, and iron driller need to be withdrawn into after initial position, mud Slurry blowout-preventing box device could enter, and this make it that the safe space around well head is also compressed.

The problem of for first aspect, Chinese patent literature CN 102287150A disclose a kind of collection lift truck, binding clip Frame, main back-up tong, guide rail are in the highly integrated intelligent iron driller of landing rail type of one.It is made up of lift truck, binding clip frame, guide rail Lift truck is moved on guide rail, and binding clip frame top is articulated on lift truck, and is connected in bottom by shackle with lift truck realization, Lift truck is made up of left and right sides frame and crossbeam, and left and right sides frame is separately mounted on two guide rails, and lift truck passes through lift truck Hydraulic motor band nutating gear is rotated, and is moved with realizing on guide rail.The achievable high pulling torque of the present invention, wide scope caliber spins The application of buckle device, it is adaptable to the upper shackle of all set of dimensions drilling rods.Collect lift truck, binding clip frame, main back-up tong, guide rail in one, So that whole equipment weight is substantially reduced, operating efficiency is improved.Automaticity of the present invention is higher, and the complete of the course of work can be achieved Process automation operation, a workman can complete whole scene spin button operation.But the lift truck portable construction of this application, it is uncomfortable Occasion for heavy duty.

The problem of for second aspect, the authorized U of Chinese patent literature CN 202689976 of the applicant are disclosed A kind of cantilevered iron driller, including turnbuckle clamp, the second framework；Spinner assembly, is erected on second framework, the spinner dress Put including the second roller by the second fluid motor-driven, second roller surface has lines, second roller is clamped Pipe fitting is rotated；Clamp system, is erected on second framework, and the clamp system is connected to the spinner assembly, the folder Spinner assembly described in tight mechanism urges is along second framework translation；Straight-line displacement compensation mechanism, second framework floats on institute State on straight-line displacement compensation mechanism, the straight-line displacement compensation mechanism compensates the displacement of the second framework in the vertical direction. Caliper has reset function at the end of the turnbuckle clamp of this application has stroke compensation function, spinner in spinner, and having during shackle can By tripping function, but when top tube has angle of inclination in vertical direction, the angle of inclination can cause pipe fitting position and clamp The deviation of center in the horizontal direction, and the turnbuckle clamp can not compensate the horizontal departure.

The problem of for the third aspect, such as Chinese invention patent application document CN 201610171918, disclose a kind of brill Have threaded joint cleaning means and cleaning method, including pin thread injection cleaning head, box injection cleaning head and joystick, control Handle includes cylinder and air inlet controlling switch, and the two ends of cylinder are connected with pin thread injection cleaning head, box injection cleaning head respectively Connect, the inlet suction port for connecting air pump pipeline is provided with cylinder, air inlet controlling switch controls air-flow clear from pin thread injection Sprayed in clean head or box injection cleaning head.The present invention is light, simple to operate, and thread of drilling tool, work are cleaned using high velocity air Low intensity, cleaning speed is fast, and is avoided that manual operation destroys screw thread risk, and pin thread can also can be cleaned to box, Pin thread injection cleaning head can be changed, it is ensured that the efficient cleaning effect of instrument according to pin thread size simultaneously.Although the patent document is carried The cleaning means of confession can realize the cleaning function to thread of drilling tool, but in use, it is necessary to first move cleaning means To the position of pipe fitting, cleaning removes cleaning means after finishing, then iron driller is moved into operating position, that is, exists and felt relieved twice Journey, is unfavorable for improving the operating efficiency and automaticity of iron driller.

The problem of for fourth aspect, the authorized B of another patent document CN 103410459 of the applicant are disclosed A kind of combined type iron driller and spray arrester, including iron driller, the iron driller have grip finger；Spray arrester, bag Two half box bodys worked in coordination are included, two and half box bodys are arranged symmetrically in the front end both sides of jaw, and distinguish by connecting bearing pin It is connected with grip finger both sides；Two oil cylinders, the first end of two oil cylinders is separately fixed at clamp by the first oil cylinder bearing pin and clamped The both sides of mouth, the second end is connected with two and half boxes respectively by the second oil cylinder bearing pin, and two oil cylinders drive two and half boxes around respective Connection bearing pin rotating opening to expose the grip finger, or rotate closure to collect mud.This application is in iron driller Upper to be provided with spray arrester, after the completion of shackle, iron driller moderately retreats certain distance, and spray arrester is to be entrained into operation Position, directly wraps drilling rod, collects the mud of outflow, reduces total activity duration, effectively increase operating efficiency.But Spray arrester is nearer apart from the position of clamp in this application, can influence observation of the operator to the operating process of clamp.

To sum up, the technical problem to be solved in the invention is how to provide a kind of iron driller so that the iron driller：

(1) have compared with wide working range, it is adaptable to heavily loaded occasion；

(2) when the center of top tube and the jaw center of turnbuckle clamp have the deviation of horizontal direction, the turnbuckle clamp can To compensate the horizontal departure；

(3) there is the function of cleaning screw thread, so that with higher operating efficiency and automaticity；

(4) there is slurry collecting function, and the box body of spray arrester does not interfere with operation of the operator to clamp The observation of journey.

The content of the invention

In order to solve the above problems, it is an object of the invention to provide a kind of rail mounted iron driller, including track；Pedestal, It can run to operating position forward, or be run backward with away from operating position along track；Turnbuckle clamp, is arranged on pedestal；On unload Clasp forceps, is arranged on pedestal and below turnbuckle clamp.

Further, pedestal includes fixed mount and the hoisting frame that can be lifted along fixed mount, turnbuckle clamp and above unloads clasp forceps and is all provided with It is placed in the front side of hoisting frame.

Preferably, pedestal also includes the lifting and guiding device being symmetrical set, and the lifting and guiding device per side includes setting The slide rail being placed on fixed mount and the sliding block being arranged on hoisting frame, sliding block can be slided up and down along slide rail.

Further, slide rail includes two pieces of slide plates vertical with the traffic direction of pedestal, and slide plate extends along short transverse, often One vertical edge of block slide plate is fixedly connected with fixed mount, and every piece of slide plate surface relative with another one slide-plate is chute surface, two cunnings The slideway passed through for sliding block is formed between road face, the width of slideway is equal with the width of sliding block, to cause sliding block and two slideways Fit simultaneously in face.

Preferably, slide rail also includes polylith along the spaced gusset of short transverse, and gusset is located at the outside of slideway, is used for Connect slide plate and fixed mount.

Further, the material of slide rail is steel alloy, and sliding block is respectively arranged with from profit with two relative both sides of chute surface Sliding alloy block, sliding block is slided by self-lubrication alloy block along slide rail.

Preferably, fixed mount includes the two root posts being symmetrical set, and the slide rail for installing respective side is used for per root post, Fixed mount also includes the upper connecting cross beam of the upper end of connection two root posts and connects the lower connecting cross beam of the lower end of two root posts.

Further, per root post, lower section is respectively connected with the bottom girder of one and uprights vertical, and column is located at the rear end of bottom girder, Hound is also associated between bottom girder and column.

Preferably, walking mechanism is provided with bottom girder, walking mechanism can drive pedestal orbiting.

Further, hoisting frame includes the octagonal framework being arranged between two root posts, and sliding block is arranged at octagon frame On the left and right side frame of frame, the mounting platform of turnbuckle clamp is provided with the upper side frame of octagonal framework.

Preferably, being internally provided with for octagonal framework unloads clasp forceps mounting bracket, above unloads the top and eight of clasp forceps mounting bracket The upper side frame of side shape framework is connected, and bottom is connected with the lower frame of octagonal framework.

Further, pedestal includes the jacking cylinder of Connection Bracket and hoisting frame, when jacking cylinder is flexible, hoisting frame It can be moved up and down by lifting and guiding device along fixed mount.

Preferably, pedestal also includes being arranged at the bracket at the top of fixed mount, for supporting the cable being connected with iron driller.

Further, turnbuckle clamp includes：Caliper frame, is arranged on pedestal；Link, is arranged at caliper with can fluctuating On frame；Cupboard button device, is symmetrical set, and the cupboard button device per side includes multiple spinner rollers and for driving each spinner The spinner drive mechanism that roller rotates around vertical axes；Level compensating device, is symmetrical set, the level compensating device per side One end is connected with link by the first hinge, and the rotating shaft of the first hinge is the trunnion axis extended in left-right direction, to cause When level compensating device is rotated around the first hinge, the other end of level compensating device can produce the horizontal position of fore-and-aft direction Move；Clamp system, connects the other end and the cupboard button device of level compensating device, the cupboard button device of the left and right sides can be driven mutual Draw close, make it that spinner roller clamps top tube.

Preferably, the other end of level compensating device is connected by the second hinge with clamp system, turn of the second hinge Axle is vertically extending vertical axes.

Further, clamp system includes clamping drive mechanism and the clamping structure being symmetrical set, the clamping per side Structure is connected by the second hinge with the other end of the level compensating device of respective side, and clamping structure also includes being located at the respectively The tri-joint mechanism and the 4th hinge of two hinge both sides, the rotating shaft of tri-joint mechanism and the 4th hinge are vertically extending erect D-axis, to cause lever construction of the clamping structure formation using the second hinge as fulcrum, when the tri-joint mechanism of the left and right sides is mutually remote From when, the 4th hinge of the left and right sides can mutually be drawn close.

Preferably, clamping drive mechanism is horizontally disposed clamping cylinder, and the two ends of clamping cylinder pass through left and right two respectively The tri-joint mechanism of side is connected with the clamping structure of respective side, and the 4th hinge per side is connected with the cupboard button device of respective side respectively, When clamping cylinder drives the tri-joint mechanism of the left and right sides to expand outwardly, the 4th hinge can drive the cupboard button device of the left and right sides to Inside draw close, make it that spinner roller clamps top tube.

Further, clamping structure includes upper panel, is be arranged in parallel with upper panel and below upper panel Lower panel, upper panel is connected with lower panel by intermediate studdle.

Preferably, cupboard button device includes mounting bracket, and mounting bracket is connected by the 4th hinge with the clamping structure of respective side, revolves Button roller and spinner drive mechanism are arranged on mounting bracket.

Further, level compensating device includes the first connecting rod and second connecting rod being sequentially hinged from top to bottom, and first connects The upper end of bar is connected with link by the first hinge, and the lower end of second connecting rod is connected by the second hinge with clamp system.

Preferably, the length of first connecting rod is less than the length of second connecting rod.

Further, it is connected between clamp system and caliper frame, or between clamp system and link horizontally disposed The first flexible member.

Preferably, link includes the second flexible member being vertically arranged, and link passes through the second flexible member and caliper Frame is connected, and to cause link to fluctuate is arranged on caliper frame.

Further, caliper frame includes the guide groove being symmetrical set, and link includes the guide wheel being symmetrical set, often The quantity of the guide wheel of side be two or more, guide wheel can in the guide groove of respective side scroll-up/down.

Preferably, caliper frame provides what is be oriented to including being arranged on being used for inside the second flexible member for the second flexible member Guide pillar.

Further, the quantity of the spinner roller per side is two.

Preferably, spinner drive mechanism is to be arranged at the spinner hydraulic motor above spinner roller, spinner hydraulic motor Quantity is identical with the quantity of spinner roller, is respectively used to drive corresponding spinner roller.

Further, iron driller also includes the spray arrester device being arranged on pedestal, and spray arrester device includes： Box body, including two half boxes that can be opened or closed, when two and half boxes are closed, can embrace pipe fitting；Switching mechanism, with two Half box is connected, and two and half boxes can be driven to open or close；Arm support, one end is installed on the side of pedestal, and the other end is mutually cut with scissors with box body Connect, the other end of arm support can opposite base move in the horizontal direction, to drive box body to reach or the position away from pipe fitting.

Preferably, box body is provided with attachment structure with the side that arm support is hinged, and attachment structure includes being located at two respectively Two otic placodes on individual half box, switching mechanism is horizontally disposed opening and closing oil cylinder, and two otic placodes are respectively with being opened and closed two of oil cylinder End is hinged, and when being opened and closed oil cylinder elongation, otic placode drives half box to open, and when opening and closing oil cylinder shrinks, otic placode drives two and half boxes Close.

Further, the convex portion of oriented arm support direction extension is set on otic placode, and it is vertical that the other end and the convex portion of arm support pass through Hinge is connected, and box body is articulated with arm support.

Preferably, the quantity of attachment structure is three, is spaced apart and arranged in along short transverse on box body, is opened and closed the number of oil cylinder Amount is also three, is connected respectively with three attachment structures.

Further, one of otic placode of each attachment structure is to set oriented arm support direction on main otic placode, main otic placode The convex portion of extension, the other end of arm support is connected with convex portion by vertical hinge, in the main otic placode position of the attachment structure of both sides up and down In on one and half boxes, it is located in the main otic placode of middle attachment structure on another half box.

Preferably, outer wall of the otic placode along half box is horizontally extending, to form the anchor ear around half box.

Further, the other end of arm support is provided with block, the opening amplitude for limiting two and half boxes.

Preferably, the upper surface and lower surface of box body are respectively arranged with the sheet rubber being detachably connected with box body, rubber The middle setting of film has perforate.

Further, the aperture of perforate, which is less than around the external diameter of pipe fitting, perforate, is provided with multiple radial directions along sheet rubber The otch of extension.

Preferably, arm support includes fixed arm, intermediate arm and the tail arm that head and the tail are hinged successively, and the head end of fixed arm is fixedly mounted On pedestal, tail end and the box body of tail arm are hinged, and the side for the hinge that intermediate arm is hinged with tail arm is additionally provided with while wearing Cross intermediate arm and dismountable bearing pin of tail arm.

Further, spray arrester device also includes the drive mechanism for being used to drive arm support to rotate, and drive mechanism includes Boom cylinder, fixed arm link and middle arm link, one end of boom cylinder are fixedly connected on the head end of pedestal or fixed arm, separately One end and the bar portion of fixed arm link are hinged；One end of fixed arm link is hinged on the stage casing of fixed arm, the other end and intermediate arm One end of connecting rod is hinged；The other end of the not connected fixed arm link of middle arm link is hinged on the stage casing of intermediate arm.

Preferably, iron driller also includes being arranged at the cleaning oil spreading device for unloading clasp forceps upper surface.

Further, cleaning oil spreading device includes being provided with flushing machine, inflatable body in the housing of upper opening, housing And oil injection mechanism, oil injection mechanism is positioned at the lower section of flushing machine and inflatable body.

Preferably, cleaning oil spreading device also includes being arranged at the housing track for unloading clasp forceps upper surface and is arranged at housing On housing travelling mechanism, housing can be run to the lower orientation of top tube under the driving of housing travelling mechanism along housing track Put or run to the position away from top tube.

Further, iron driller also include centering machine, be arranged at the lower section for unloading clasp forceps, unloaded in determination clasp forceps and The work centre of turnbuckle clamp.

Iron driller involved in the present invention is rail mounted iron driller, for cantilevered iron driller, breaches cantilever Limitation of the length to working range, significantly increases the working range of iron driller；

The pedestal that the present invention is provided, including fixed mount and hoisting frame, turnbuckle clamp and above unload clasp forceps and are all disposed within hoisting frame Front side, can reduce the limitation that pedestal unloads clasp forceps range of movement to turnbuckle clamp and above so that iron driller has work as big as possible Make space.In addition, the lifting and guiding device that the pedestal that the present embodiment is provided is constituted using slide rail and sliding block so that pedestal have compared with Big bearing capacity；

The turnbuckle clamp that the present invention is provided includes level compensating device, one end of level compensating device can around left and right directions water Flat axle is rotated, and the other end connects cupboard button device indirectly by clamping structure so that the Clamping Center line of cupboard button device can root Adjusted in appropriate amount according to the position of top tube, when spinner roller clamps top tube, top tube laminating spinner can be made Roller, so as to effectively clamp top tube and avoid correction stress；

The spray arrester device that the present invention is provided, connects box body and pedestal so that spray arrester device using arm support In off working state, the observation that operator uses clamp process is not interfered with；In addition, spray arrester device is integrated in On iron driller, using common control system, it is possible to reduce total operating time；

The present invention turnbuckle clamp and on unload and set between clasp forceps cleaning oil spreading device, pass through once centering cleaning of just can determine that The operating position of oil spreading device and clamp, saves the time that upper shackle operation is carried out to pipe fitting, in addition, being using a set of control System is controlled to all parts on iron driller, is conducive to improving the automaticity of iron driller.

For allow the present invention the above can become apparent, preferred embodiment cited below particularly and with reference to accompanying drawing specifically It is bright.

Brief description of the drawings

The rail mounted iron driller overall structure figure that Fig. 1 provides for the present invention；

The front view for the pedestal that Fig. 2 provides for the present invention；

The top view for the lifting and guiding device that Fig. 3 provides for the present invention；

The left view for the pedestal that Fig. 4 provides for the present invention；

The front view for the hoisting frame that Fig. 5 provides for the present invention；

The axle surveys view for the turnbuckle clamp that Fig. 6 provides for the present invention；

The right view for the turnbuckle clamp that Fig. 7 provides for the present invention；

The axle surveys view for the spray arrester device that Fig. 8 provides for the present invention；

The top view for the spray arrester device that Fig. 9 provides for the present invention；

The axle surveys view for the cleaning oil spreading device that Figure 10 provides for the present invention.

Component label instructions

The bottom tube of 100 pipe fitting, 101 top tube 102

1 pedestal

The bracket of 11 fixed mount, 12 hoisting frame, 13 lifting and guiding device, 14 walking mechanism, 15 jacking cylinder 16

The hound of 113 times connecting cross beams of connecting cross beam, 114 bottom girder 115 on 111 columns 112

Clasp forceps mounting bracket is unloaded on the turnbuckle clamp mounting platform 123 of 121 octagonal framework 122

132 sliding blocks

Surface 131b gussets 132a relative with chute surface 131a-1 131a slide plates 131a-1 chute surfaces 131a-2 is certainly Lubricate alloy block

2 turnbuckle clamps

The hinges of 2a the first hinge 2b the second hinge 2c tri-joint mechanisms 2d the 4th

The clamp system of 21 caliper frame, 22 cupboard button device, 23 link, 24 level compensating device 25

The guide pillar of 211 guide groove 212

The spinner drive mechanism of 221 spinner roller 222

231 second flexible members

The flexible member of 241 first connecting rod, 242 second connecting rod 243 first

The other end of the one end 24b level compensating devices of 24a level compensating devices

The clamping drive mechanism of 251 clamping structure 252

251a upper panel 251b lower panel 251c intermediate studdles

Clasp forceps is unloaded on 3

4 spray arrester devices

The block of 41 arm support, 42 box body, 43 switching mechanism, 44 drive mechanism 45

The bearing pin 415 of 411 fixed arm, 412 intermediate arm, 413 tail arm 414 connects hinge

The other end of one end 41b arm supports of 41a arm supports

The sheet rubber of 423 intersection of box, 424 another intersections, 425 convex portion 426 of 421 the first half boxes 422 the second half

421a otic placode 422a otic placodes

421a-1 earhole 422a-1 earholes

426a otch

441 boom cylinders 442 fix the middle arm link of arm link 443

5 cleaning oil spreading devices

The housing travelling mechanism of 51 housing, 52 housing track 53

6 centering machines

7 tracks

Embodiment

Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this specification Disclosed content understands other advantages and effect of the present invention easily.Although description of the invention will combine preferred embodiment Introduce together, but this feature for not representing this invention is only limitted to the embodiment.On the contrary, being invented with reference to embodiment The purpose of introduction is the other selections or transformation for being possible to extend to cover the claim based on the present invention.In order to carry Understand for the depth to the present invention, many concrete details will be included in describing below.The present invention can also be thin without using these Section is implemented.In addition, in order to avoid the emphasis of the chaotic or fuzzy present invention, some details will be omitted in the de-scription.

In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, Ke Yishi The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this Concrete meaning in invention.

" on ", " under ", "left", "right", " top ", " bottom " in addition, used in the following description, should not be construed as pair The limitation of the present invention.

The effect of iron driller is button or shackle on connecting pipe 100 is carried out, and The embodiment provides a kind of track Formula iron driller, as shown in figure 1, including pedestal 1, turnbuckle clamp 2, on unload clasp forceps 3 and track 7.Pedestal 1 can be in walking mechanism 14 Moved under effect along track 7, the position shown in Fig. 1 is the initial position of iron driller, pipe fitting 100 to be connected is located at clamp (bag Include turnbuckle clamp 2 and above unload clasp forceps 3) front, pedestal 1 can forward runs along track 7 in the presence of walking mechanism 14 to working Position, i.e. clamp can clamp position during pipe fitting 100, can also be back to initial position backward along track 7 from operating position, Or any one off-position rested between operating position and initial position.Bearing definition in the present embodiment is as schemed Shown in 1, F to for forward, B to for backward, U to be upward, D to be downward, while vertical aforementioned four direction for right and left To.

Turnbuckle clamp 2 and above unload clasp forceps 3 and be arranged on pedestal 1, above unload the lower section that clasp forceps 3 is located at turnbuckle clamp 2.Turnbuckle clamp 2 Effect is to clamp and rotate top tube 101 so that realizes and tentatively docks between top tube 101 and bottom tube 102, but rotation The spinner moment of torsion of clasp forceps 2 is generally unable to reach defined torque wrench moment, and this is the effect that clasp forceps 3 is unloaded on needing.On unload clasp forceps 3 can To provide bigger screw-down torque, but its corner that can be realized is typically smaller than the corner of turnbuckle clamp 2, and its role is to pipe fitting 100 are further tightened operation so that the screw-down torque between top tube 101 and bottom tube 102 reaches specified value. Similarly, during shackle, due to there is larger screw-down torque, turnbuckle clamp between top tube 101 and bottom tube 102 2 generally can not provide and be enough the moment of torsion for unscrewing pipe fitting, at this moment need to unload clasp forceps 3 and first carry out operation of releasing to pipe fitting, recycle Turnbuckle clamp 2 is by top tube 101 from whiz on bottom tube 102.

On unload the concrete structure of clasp forceps 3 and refer to carry in the authorized U of patent document CN 202689976 of the applicant The structure of confession, specifically, above unloading clasp forceps 3 includes main pincers and back-up tong, and back-up tong is used to clamp bottom tube 102, main to clamp for clamping And top tube 101 is screwed, to realize to the upper button of pipe fitting 100 and/or shackle.

The iron driller that the present invention is provided is rail mounted iron driller, for cantilevered iron driller, breaches arm length The limitation to working range is spent, the working range of iron driller is significantly increased.

Embodiments of the invention additionally provide a kind of pedestal 1, as shown in Figures 1 to 4, including fixed mount 11 and can be along fixation The hoisting frame 12 that frame 11 is lifted, turnbuckle clamp 2 and above unloads the front side that clasp forceps 3 may be contained within hoisting frame 12, when hoisting frame 12 is along fixation When frame 11 moves up and down, turnbuckle clamp 2 can be driven and clasp forceps 3 is above unloaded moved up and down, stopped with causing turnbuckle clamp 2 and above unloading clasp forceps 3 In suitable height and position.The upper surface that suitable height and position refers to bottom tube 102 is approached but without departing from back-up tong upper surface Position.Turnbuckle clamp 2 and on unload the front side that clasp forceps 3 is all arranged at hoisting frame 12, pedestal 1 can be reduced to turnbuckle clamp 2 and upper shackle Clamp the limitation of 3 range of movement so that iron driller has working space as big as possible.

Further, pedestal 1 also includes the lifting and guiding device 13 being symmetrical set, the lifting and guiding device 13 per side Including the slide rail being arranged on fixed mount 11 and the sliding block 132 being arranged on hoisting frame 12, sliding block 132 can glide along along slide rail It is dynamic.Due to turnbuckle clamp 2 and on unload the front side that clasp forceps 3 is all arranged at hoisting frame 12, so can be produced on hoisting frame 12 larger Eccentric moment, this eccentric moment needs the counter-force produced by slide rail in lifting and guiding device 13 to sliding block 132 away from being balanced, So lifting and guiding device 13 needs the stronger ability for bearing load, and sliding block 132 and slide rail constitute lifting and guiding device 13 than other forms guider (such as pulley and guide rail) have stronger bearing capacity.

Specifically, as shown in figure 3, slide rail includes two pieces of slide plate 131as vertical with the traffic direction of pedestal 1, slide plate 131a Extend along short transverse, an every piece of slide plate 131a vertical edge is fixedly connected with fixed mount 11, every piece of slide plate 131a with another piece Surface relative slide plate 131a is the current slideway of formation movable slider 132 between chute surface 131a-1, two chute surface 131a-1, The width of slideway is equal with the width of sliding block 132, to cause sliding block 132 with two chute surface 131a-1 while fitting.By two pieces The rail structure of slide plate 131a compositions is simple, and bearing capacity is strong.

Preferably, slide rail also includes polylith and is located at slideway along the spaced gusset 131b of short transverse, gusset 131b Outside, for connecting any block slide plate 131a and fixed mount 11.As shown in figure 3, a gusset 131b side Connection Bracket 11, Another side connection slide plate 131a another surface, i.e. surface 131a-2 relative chute surface 131a-1.Gusset 131b setting The structure of slide rail can further be strengthened.

In the present embodiment, the material of slide rail is steel alloy, the both sides difference relative with two chute surface 131a-1 of sliding block 132 Self-lubrication alloy block 132a is provided with, sliding block 132 is slided by self-lubrication alloy block 132a along slide rail, such as Fig. 3 and Fig. 4 institutes Show.

Further, as shown in Figures 2 to 4, fixed mount 11 includes the two root posts 111 being symmetrical set, and every is stood Post 111 is used for the slide rail for installing respective side, and fixed mount 11 also includes the upper connecting cross beam 112 of the upper end of connection two root posts 111, And the lower connecting cross beam 113 of the lower end of connection two root posts 111, to improve the rigidity of fixed mount.

Preferably, a bottom girder 114 vertical with column 111 is respectively connected with per the lower section of root post 111, column 111 is located at The rear end of bottom girder 114, advantageously reduces the overall volume of iron driller.Hound is also associated between bottom girder 114 and column 111 115, hound 115 plays a part of strengthening structure.

Further, walking mechanism 14 is provided with bottom girder 114, walking mechanism 14 can drive the orbiting of pedestal 1.

In the present embodiment, hoisting frame 12 includes the octagonal framework 121 being arranged between two root posts 111, and sliding block 132 is set It is placed on the left and right side frame of octagonal framework 121, turnbuckle clamp mounting platform is provided with the upper side frame of octagonal framework 121 122.Octagonal framework 121 is the main bearing structure of hoisting frame 12, simple in construction, and clearly, bearing capacity is strong for stress.

Being internally provided with for octagonal framework 121 as shown in Figure 5 unloads clasp forceps mounting bracket 123, above unloads clasp forceps mounting bracket 123 Top be connected with the upper side frame of octagonal framework 121, bottom is connected with the lower frame of octagonal framework 121.Turnbuckle clamp 2 and upper Unload the generation of clasp forceps 3 eccentric moment to be transferred on lifting and guiding device 13 by octagonal framework 121, Path of Force Transfer is smooth, favorably In the bearing capacity for improving structure.

Pedestal 1 includes the jacking cylinder 15 of Connection Bracket 11 and hoisting frame 12 as shown in Figure 2 and Figure 4, works as jacking cylinder 15 it is flexible when, hoisting frame 12 can be moved up and down by lifting and guiding device 13 along fixed mount 11.The quantity of jacking cylinder 15 can be with It is multiple or 1, may be provided at the middle part of pedestal 1, also can be amesiality, the present invention is not restricted.For example, such as Fig. 1 Shown, the lower end of jacking cylinder 15 is connected with the lower connecting cross beam 113 of fixed mount 11, upper end and the top of octagonal framework 121 Frame is connected.

Pedestal 1 also includes the bracket 16 for being arranged at the top of fixed mount 11, for supporting the cable being connected with iron driller.

The pedestal present embodiments provided, including fixed mount and hoisting frame, turnbuckle clamp and above unload clasp forceps and are all disposed within lifting The front side of frame, can reduce the limitation that pedestal unloads clasp forceps range of movement to turnbuckle clamp and above so that iron driller has as big as possible Working space.In addition, the lifting and guiding device that the pedestal that the present embodiment is provided is constituted using slide rail and sliding block so that pedestal has There is larger bearing capacity.

Embodiments of the invention additionally provide a kind of turnbuckle clamp 2, as shown in Fig. 1, Fig. 6 and Fig. 7, including caliper frame 21, rotation Buckle mechanism 22, link 23, level compensating device 24 and clamp system 25.

Caliper frame 21 is arranged on pedestal 1, so that whole turnbuckle clamp 2 is connected on pedestal 1；

Cupboard button device 22, is symmetrical set, and the cupboard button device 22 per side includes multiple spinner rollers 221 and for driving Move in the spinner drive mechanism 222 that each spinner roller 221 rotates around vertical axes, the present embodiment, the cupboard button device 22 per side is wrapped The quantity of the spinner roller 221 included is two；

Link 23, is arranged on caliper frame 21 in which can fluctuate, make it that cupboard button device 22 screws top tube 101 When, can synchronously it be risen or fallen with top tube 101；

Level compensating device 24, is symmetrical set, and the plane of symmetry is overlapped with the plane of symmetry of cupboard button device 22, and each level is mended The one end 24a for repaying device 24 is connected with link 23 by the first hinge 2a, and the first hinge 2a rotating shaft is in left-right direction The trunnion axis of extension, when level compensating device 24 is rotated around the first hinge 2a, the other end 24b of level compensating device 24 can Produce the horizontal displacement of fore-and-aft direction；

Clamp system 25, the other end 24b and cupboard button device 22 of connection level compensating device 24, can drive the left and right sides Cupboard button device 22 mutually draw close so that spinner roller 221 clamp top tube 101.

The process for screwing screw thread is：On unload clasp forceps 3 back-up tong 31 clamping bottom tube 102, the cupboard button device 22 of turnbuckle clamp 2 In the presence of clamp system 25, the spinner roller 221 of the left and right sides is drawn close to middle part simultaneously, to clamp top tube 101. Multiple spinner rollers 221 are under the driving effect of spinner drive mechanism 222, along (or counterclockwise) rotation clockwise, with drive The opposing lower portions pipe fitting 102 of portion's pipe fitting 101 rotates, so that the screw thread in top tube 101 be entered with the screw thread in bottom tube 102 Row is screwed, and reaches the purpose of connection top tube 101 and bottom tube 102.Conversely, the process for unscrewing screw thread is, spinner roller 221 clamp after top tube 101, along (or clockwise) rotation counterclockwise, by the screw thread of top tube 101 from bottom tube Screw on 102 screw thread, reach the purpose of separation top tube 101 and bottom tube 102.

Top tube 101 is that top tube 101 is just by its handling to the top of bottom tube 102 by external equipment After position, inevitably there is certain angular error with theoretical centerline (vertical curve), that is to say, that top tube 101 After in place, its center line is not in the state of close alignment with the center line of bottom tube 102.Simultaneously as the work of clamp As position determined by the centering machine on iron driller, i.e., iron driller it is in place after, the Clamping Center line of its clamp is always Alignd with the center line of bottom tube 102.It is hereby understood that after top tube 101 is in place, folder of its position generally with turnbuckle clamp Hold center and there is certain deviation in the horizontal direction.If the Clamping Center of turnbuckle clamp can not be according to the center line of top tube 101 Adjust accordingly, then, when cupboard button device 22 clamps top tube 101, between spinner roller 221 and top tube 101 There can be certain angle, not simply fail to effectively clamp top tube 101, correction stress can be also produced on top tube 101. Turnbuckle clamp 2 in the present embodiment includes level compensating device 24, and the one end 24a of level compensating device 24 can be around left and right directions Trunnion axis is rotated, and the other end 24b connects cupboard button device 22 indirectly by clamp system 25 so that the clamping of cupboard button device 22 Center line can in appropriate amount be adjusted according to the position of top tube 101, when spinner roller 221 clamps top tube 101, The laminating spinner of top tube 101 roller 221 can be made, so as to effectively clamp top tube 101 and avoid correction stress.

Preferably, the other end 24b of level compensating device 24 is connected by the second hinge 2b with clamp system 25, and second Hinge 2b rotating shaft is vertically extending vertical axes.Further, clamp system 25 includes the He of clamping drive mechanism 252 The clamping structure 251 being symmetrical set, the plane of symmetry is overlapped with the plane of symmetry of cupboard button device 22, and the clamping structure 251 per side leads to The other end 24b that the second hinge 2b is crossed with the level compensating device 24 of respective side is connected, and clamping structure 251 also includes position respectively Tri-joint mechanism 2c and the 4th hinge 2d in the second hinge both sides, tri-joint mechanism 2c and the 4th hinge 2d rotating shaft are vertically The vertical axes of direction extension, make it that the clamping structure 251 of every side is formed using the second hinge 2b as the lever construction of fulcrum, work as a left side When the tri-joint mechanism 2c of right both sides is located remotely from each other, the 4th hinge 2d of the left and right sides can mutually be drawn close.

Specifically, clamping structure 251 includes upper panel 251a, is be arranged in parallel with upper panel 251a and positioned at upper side Lower panel 251b below plate 251a, upper panel 251a are connected with lower panel 251b by intermediate studdle 251c.Clamp Structure 251 is important primary structure member, and the design of double-decker advantageously ensures that the intensity of structure.Preferably, intermediate studdle 251c quantity is three, respectively with the second hinge 2b, tri-joint mechanism 2c and the 4th hinge 2d center alignments.

Further, clamping drive mechanism 252 is horizontally disposed clamping cylinder, and the two ends of clamping cylinder pass through a left side respectively The tri-joint mechanism 2c of right both sides is connected with the clamping structure 251 of respective side, the rotations of the 4th hinge 2d per side respectively with respective side Buckle mechanism 22 is hinged, and when clamping cylinder drives the tri-joint mechanism 2c of the left and right sides to expand outwardly, the 4th hinge 2d can drive The cupboard button device 22 of the left and right sides comes closer, make it that spinner roller 221 clamps top tube 101.

In the present embodiment, clamping drive mechanism 252 is only a clamping cylinder, simplifies driving structure, and one clamps oil After the setting of cylinder can ensure that top tube 101 is clamped, top tube 101 is centrally located at Clamping Center, so that on ensureing Portion's pipe fitting 101 can align with bottom tube 102.But the present embodiment is not limited, it can also be distinguished by two clamping cylinders Driving is located at left and right sides tri-joint mechanism 2c.

Specifically, level compensating device 24 includes the first connecting rod 241 and second connecting rod 242 being sequentially connected with from top to bottom, The upper end of first connecting rod 241 is connected with link 23 by the first hinge 2a, and the lower end of second connecting rod 242 passes through the second hinge 2b It is connected with clamp system 25.The lower end of first connecting rod 241 is also to be hinged with the upper end of second connecting rod 242, and the axis of the hinge With the first hinge 2a shaft parallel.Level compensating device 24 is designed as the structure that two connecting rods are hinged, horizontal level Compensation function mainly realize that second connecting rod 242 is hinged on the lower section of first connecting rod 241 by first connecting rod 241, can make Obtain the azimuth of the spinner roller 221 hung on indirectly on second connecting rod 242 is not influenceed by the horizontal displacement, if i.e. spinner The longitudinal axis of roller 221 extends vertically, then after the other end 24b occurred level displacements of level compensating device 24, The longitudinal axis of spinner roller 221 remains to keep vertical direction.

Preferably, the length of first connecting rod 241 is less than the length of second connecting rod 242, can make level compensating device 24 Other end 24b amplitude of fluctuation will not be excessive, only need to meet compensation function.

Further, cupboard button device 22 includes mounting bracket 223, and mounting bracket 223 passes through the 4th hinge 2d and the folder of respective side Locking structure 251 is connected, and spinner roller 221 and spinner drive mechanism 222 are arranged on mounting bracket 223.

Preferably, water is connected between clamp system 25 and caliper frame 21, or between clamp system 25 and link 23 Flat the first flexible member 243 set.The other end 24b of level compensating device 24 is produced after level compensating displacement, turnbuckle clamp 2 Each structure member is in fact in unbalanced state, and the effect of the first flexible member 243 is to be produced on clamp system 25 One equilibrant force.If being not provided with the first flexible member 243, then this equilibrant force needs to be provided by top tube 101, so that It can be produced inside top tube 101 in unnecessary additional stress, the present embodiment, flexible member can be spring, can also It is other flexible structures.

In the present embodiment, link 23 includes the second flexible member 231 being vertically arranged, and link 23 passes through the second elasticity Element 231 is connected with caliper frame 21, to cause link 23 to fluctuate is arranged on caliper frame 21.Screwing screw thread During, the position of top tube 101 declines, during screw thread is unscrewed, and the position of top tube 101 rises.Link 23 are arranged on caliper frame 21 in which can fluctuate so that cupboard button device 22 realizes the synchronization lifting with top tube 101.

Further, caliper frame 21 includes the guide groove 211 being symmetrical set, and link 23 includes what is be symmetrical set Guide wheel (not shown), per side guide wheel quantity be two or more, guide wheel can in the guide groove 211 of respective side scroll-up/down.Often Side sets more than two guide wheels, can be provided by guide wheel a counter-force away from so that cupboard button device 22, clamp system 25 etc. The same side of caliper frame can be equilibrated at.

Further, caliper frame 21 also includes being arranged on being used for for the second flexible member inside the second flexible member 231 231 provide the guide pillar 212 being oriented to.

In the present embodiment, the quantity of the spinner roller 221 on cupboard button device 22 per side is two, spinner drive mechanism The 222 spinner hydraulic motor to be arranged above spinner roller 221, the quantity of spinner hydraulic motor and the number of spinner roller 221 Amount is equal, is respectively used to drive corresponding spinner roller 221.

The turnbuckle clamp that the present invention is provided includes level compensating device, and the one end of level compensating device can be around left and right directions Trunnion axis is rotated, and the other end connects cupboard button device indirectly by clamping structure so that the Clamping Center line of cupboard button device can Adjusted in appropriate amount with the position according to top tube, when spinner roller clamps top tube, top tube can be made to fit Spinner roller, correction stress is produced so as to effectively clamp top tube and avoid on pipe fitting.

With reference to Fig. 1, Fig. 8 and Fig. 9, rail mounted iron driller provided in an embodiment of the present invention also includes spray arrester device 4, In the present embodiment, spray arrester device 4 is cantilevered, the i.e. switching mechanism 43 including arm support 41, box body 42 and box body 42, tool Body is described below：

Box body 42, including two half boxes that can be opened or closed, as shown in figure 8, respectively the first half boxes 421 and second Half box 422, when two and half boxes are opened, can allow pipe fitting 100 to enter the inside of box body 42, when two and half boxes are closed, first Half box 421 and the second half boxes 422 can collective effect embrace pipe fitting 100, specifically, top tube 101 is embraced in the upper end of box body 42, Embrace bottom tube 102 in the lower end of box body 42.In Fig. 8, the profiles of two and half boxes is semi-cylindrical, but the present embodiment is not limited to This, the profile of double of box of the present embodiment is not limited, and the profile of half box can be the random appearance such as cube shaped, oval, only The purpose for embracing pipe fitting 100 can be realized when closing.The intersection of two and half boxes may not be straight line, such as in order to reach more Good closure effect can be using curve, broken line cooperated etc., and the present invention is not limited in this respect.

Switching mechanism 43, is connected with two and half boxes, i.e., be connected respectively with the first half boxes 421 and the second half boxes 422, work as opening and closing When mechanism 43 is acted, two and half boxes can be driven to open or close, Fig. 8 show the closed mode of half box.

Arm support 41, horizontally disposed and with certain length, one end 41a of arm support is arranged on the side of pedestal 1, arm support Other end 41b is hinged with box body 42.The other end 41b of arm support 41 can opposite base 1 move in the horizontal direction, to drive box body 42 Reach or the position away from pipe fitting 100.For example, one end 41a of arm support 41 can be to be hinged with pedestal 1, when arm support 41 is around the hinge During point rotation, the other end 41b of arm support 41 can occurred level displacement, so as to drive box body 42 to move.In the present embodiment, box body The positions of 42 arrival pipe fittings 100 refer to can be so that box body 42 embraces the position of pipe fitting 100, position of the box body 42 away from pipe fitting 100 Refer to the position that box body 42 is not interfered with pipe fitting 100.Box body 42 is articulated with arm support 41, so as to according to pipe fitting 100 Position freely adjusts the angle between box body 42 and arm support 41.

After the completion of shackle program, iron driller drives turnbuckle clamp 2 and above unloads clasp forceps 3 and is moved rearwards by, then will using arm support 41 Box body 42 drives the position to pipe fitting 100, while opening two and half boxes so that pipe fitting 100 enters the center of box body 42, then Two and half boxes are closed, box body 42 is embraced pipe fitting 100 and starts to collect mud.After slurry collecting is finished, two and half boxes, arm support are opened 41 drive box bodys 42 exit the position of pipe fitting 100, return to initial off-position, spray arrester device 4 it is worked Journey terminates.When clamp operationally, the box body 42 of spray arrester device 4 is located at its off-position, i.e., the position of remote clamp Put, box body 42 does not interfere with observation of the operator to the operating process of clamp.

Further, box body 42 is provided with attachment structure with the side that arm support 41 is attached, and attachment structure includes difference Two otic placodes 421a, 422a on two and half boxes, specifically, otic placode 421a are located on the first half boxes 421, otic placode 422a In on the second half boxes 422.In the present embodiment, wherein one intersection 423 and box body of the first half boxes 421 and the second half boxes 422 42 and the pin joint of arm support 41 be oppositely arranged, otic placode 421a and otic placode 422a respectively positioned at the both sides of the intersection 423 and it is neighbouring should Intersection 423, it is preferable that the distance between otic placode 421a earhole 421a-1 and otic placode 422a earhole 422a-1 is box body external diameter 0.2~0.5 times, and relative intersection 423 is arranged symmetrically, as shown in Figure 8.Switching mechanism 43 is horizontally disposed opening and closing oil cylinder, Two otic placodes are hinged with being opened and closed two ends of oil cylinder respectively, and when being opened and closed oil cylinder elongation, otic placode drives half box to open, and works as opening and closing When oil cylinder shrinks, otic placode drives two and half boxes to close.Specifically, as shown in figure 8, earhole 421a-1 and opening and closing oil cylinder one end are cut with scissors Connect, 422a-1 is hinged with being opened and closed the other end of oil cylinder.

Preferably, outer wall of the otic placode along half box is horizontally extending, forms the anchor ear around half box.Specifically, otic placode 421a Extend horizontally to another intersection 424 of two and half boxes along the outer wall of the first half boxes 421, otic placode 422a is along the second half boxes 422 Outer wall extends horizontally to another intersection 424 of two and half boxes, thus, and two otic placodes and two extension lines together form circular The anchor ear type of two and half boxes.Anchor ear is set on the outer wall of box body 42, the structure of box body 42 can not only be strengthened, also may be used To optimize the driveability of 43 pair of two and half box of switching mechanism so that the opening procedure and closing course of two and half boxes are more flat Surely.

In an embodiment of the present invention, the convex portion 425 for setting the direction of oriented arm support 41 to extend on otic placode, arm support 41 it is another One end 41b is connected with convex portion 425 by vertical hinge, and box body 42 is articulated with arm support 41.Thus, by the company of clamping cylinder The connection otic placode of ear connecting plate and arm support hinge carries out dexterously integrated design, can be with the quantity of saving member so that structure is more To simplify.

As shown in figure 8, the quantity of attachment structure is three, it is spaced apart and arranged in along short transverse on box body 42, opening and closing oil The quantity of cylinder is also three, is connected respectively with three attachment structures.When box body 42 has certain height, in the opening of half box Or in closing course, if the quantity of attachment structure is very few, half box is in self gravitation and the Action of Gravity Field of the mud of internal attachment Under, torsional deflection may be produced, multiple attachment structures are set in the short transverse of box body 42, is conducive to keeping box body 42 Shape, mitigates its deformation occurred in opening or closing course.In the present embodiment, the quantity of attachment structure can be more than three Individual, this is not limited by the present invention.

As shown in figure 8, being not that convex portion 425 is both provided with each otic placode.In the present embodiment, convex portion 425 is staggeredly Set, specifically, one of otic placode in each attachment structure is to set oriented arm support 41 on main otic placode, only main otic placode The convex portion 425 of direction extension, the other end 41b of arm support 41 is connected with convex portion 425 by vertical hinge, and main otic placode is in short transverse On be staggered.Specifically, as shown in figure 8, being arranged at the second half boxes 422 positioned at the main otic placode of the attachment structure of both sides up and down On, the main otic placode positioned at middle attachment structure is arranged on the first half boxes 421.Convex portion 425 is staggered along short transverse, makes Box body 42 in opening or closing course, the first half boxes 421 are consistent with the opening or closure degree convergence of the second half boxes 422.

Preferably, arm support 41 other end 41b hinge both sides, be provided with block 45, block 45 is used to limit two The opening amplitude of half box.

Further, the upper surface and lower surface of box body 42 are respectively arranged with the middle of sheet rubber 426, sheet rubber 426 and had out Hole, to adapt to the caliber of pipe fitting 100.Sheet rubber 426 is detachably connected with box body 42, when the external diameter change of pipe fitting 100, The sheet rubber 426 matched with its external diameter need to be changed.When box body 42 holds pipe fitting 100 tightly, sheet rubber 426 can play sealing and make With.

Preferably, the aperture of the perforate of sheet rubber 426 is less than the external diameter of pipe fitting 100, and multiple edges are set around perforate The otch 426a radially extended of sheet rubber 426 so that sheet rubber 426 is adapted to more while sealing effectiveness is met The caliber of different size.

In the present embodiment, arm support 41 is folding-jib, i.e., arm support 41 is constituted by several sections.Specifically, such as Fig. 8 and Fig. 9 institutes Show, arm support 41 includes fixed arm 411, intermediate arm 412 and the tail arm 413 being hinged from beginning to end successively, the head end of fixed arm 411 fixes peace Mounted in the side of pedestal 1, tail end and the box body 42 of tail arm 413 are hinged.When spray arrester device 4 needs work, by arm support 41 open, and box body 42 can be sent to operating position, when not needing work, arm support 41 is got back, makes box body away from caliper, In order to avoid cause the interference worked caliper.

Preferably, be connected with drive mechanism between fixed arm 411 and intermediate arm 412, and intermediate arm 412 and tail arm 413 it Between be not provided with drive device.The side of intermediate arm and the connection hinge 415 of tail arm is provided with a bearing pin 414, and bearing pin 414 is simultaneously Through intermediate arm 412 and tail arm 413, the rotation for limiting connection hinge 415 thus can be by intermediate arm 412 and tail arm Angle between 413 is fixed up, and in the case of being not provided with drive device between intermediate arm 412 and tail arm 413, both also locate In open mode, so as to reach the purpose of increase arm support stroke.Because bearing pin 414 is dismountable, when spray arrester device 4 In long-term off position either travel position when, bearing pin 414 can be removed, manually by tail arm 413 to intermediate arm 412 Fold, so as to reduce the volume of spray arrester device 4, facilitate the transport and storage of equipment.

Further, spray arrester device 4 also includes the drive mechanism 44 for being used to drive arm support 41 to rotate, drive mechanism 44 include boom cylinder 441, fixed arm link 442 and middle arm link 443, and one end of boom cylinder 441 is fixedly connected on base The head end of seat 1 or fixed arm 411, the other end and the bar portion of fixed arm link 442 are hinged；One end of fixed arm link 442 is hinged In the stage casing of fixed arm 411, the other end and one end of middle arm link 443 are hinged；Middle arm link 443 is not connected with fixed arm company The other end of bar 442 is hinged on the stage casing of intermediate arm 412.When boom cylinder 441 extends so that the other end 41b of arm support 41 Box body 42 is driven to extend out to operating position, when boom cylinder 441 shortens so that the other end 41b of arm support 41 drives box body 42 It is retracted to away from operating position.

Spray arrester device provided in an embodiment of the present invention, box body and pedestal are connected using arm support, when clamp is in work When, the box body of spray arrester is moved to the position away from clamp under the drive of arm support, does not interfere with operator to clamp The observation of operating process；In addition, spray arrester device is integrated on iron driller, using common control system, Ke Yiti The automaticity of shackle on high pipe fitting, saves total operating time.

The iron driller that embodiments of the invention are provided also includes cleaning oil spreading device 5, and as shown in Fig. 1 and Figure 10, cleaning is smeared Oily device 5 is arranged at the upper surface for unloading clasp forceps 3.Before the access bottom tube 102 of top tube 101, first pass through cleaning and smear Oily device 5 is cleared up the screw thread of top tube 101.Cleaning oil spreading device 5 is arranged on iron driller, it is not necessary to cleaning Oil spreading device and clamp are felt relieved respectively, but are once felt relieved and just be can determine that both operating positions, are saved to pipe fitting 100 The time that shackle is operated in progress, in addition, being controlled using a set of control system to all parts on iron driller, be conducive to Improve the automaticity of iron driller.

Cleaning oil spreading device 5 includes being provided with flushing machine, inflatable body and spray in the housing 51 of upper opening, housing 51 Oil machine structure, the oil injection mechanism is located at the lower section of flushing machine and inflatable body.Oil injection mechanism is arranged at the position of lower end so that Oil injection mechanism is sprayed onto the lubricating oil level on top tube 101 in the lower end of screw thread, so, during spinner, passes through screw thread Rotate, lubricating oil can be taken to the upper end of screw thread to, it is ensured that screw thread is lubricated as much as possible over the entire length.

Further, cleaning oil spreading device 5 includes being arranged at the housing track 52 for unloading the upper surface of clasp forceps 3 and is arranged at Housing travelling mechanism 53 on the housing 51, the housing 51 can under the driving of housing travelling mechanism 53 (such as oil cylinder), Run along housing track 52 to operating position.Operating position refers to the upper opening of the screw thread alignment housing 51 of top tube 101 Position.When cleaning oil spreading device 5 needs not be at working condition, it is moved into by housing travelling mechanism 53 away from jaw Position, it is to avoid work of the cleaning oil spreading device 5 to clamp causes interference.

Embodiments of the invention turnbuckle clamp and on unload and set between clasp forceps cleaning oil spreading device, can by once feeling relieved It is determined that the operating position of cleaning oil spreading device and clamp, saves the time that upper shackle operation is carried out to pipe fitting, in addition, using one Set control system is controlled to all parts on iron driller, is conducive to improving the automaticity of iron driller.

The iron driller that embodiments of the invention are provided also includes centering machine 6, is arranged at the lower section for unloading clasp forceps 3, is used for It is determined that on unload the work centre of clasp forceps 3 and turnbuckle clamp 2, work centre here includes the work centre and Vertical Square of horizontal direction To working interface.The structure of centering machine 6 is referred in the authorized U of patent document CN 202645473 of the applicant Structure.

The course of work for the rail mounted iron driller that the present invention is provided is：It is installed on the walking mechanism driving anvil of base interior Work is moved to the position of well head or rat hole, and hoisting frame is raised in the presence of jacking cylinder to operating position.Operating position is highly Determined by jaw centering machine.

After iron driller operating position is determined, before jointed tubular workpieces, the position of oil spreading device is cleared up in adjustment first, that is, passes through shell Running body mechanism drive shell, is located at the lower section of top tube, and now whole device is in iron driller pedestal jacking cylinder It is lifted up under effect, when the screw thread of top tube is located at enclosure interior, cleaning oil spreading device starts to spray water under high pressure to screw thread Screw thread is rinsed, iron driller pedestal jacking cylinder stops lifting, and cleaning oil spreading device completes screw thread cleaning, cleaning in setting time Complete backward screw thread and blow high-pressure hot gas, after screw thread drying, the cleaning for completing pipe fitting screw thread to screw thread oil spout is put the oil operation.Iron afterwards Driller's pedestal declines in the presence of jacking cylinder, and the housing of screw thread cleaning oil spreading device is returned in the presence of housing walking mechanism To initial position.

During upper button, the back-up tong for above unloading clasp forceps clamps bottom tube joint, and subsequent turnbuckle clamp clamping cylinder stretches out driving and clamped Structure make it that spinner roller clamps top tube, and then spinner drive mechanism driving spinner roller, which is rotated, carries out spinner, and spinner is complete Into rear turnbuckle clamp clamp driving oil cylinder retract, while on unload clasp forceps main pincers rotate counterclockwise arrival position on the buckle, and clamp on Portion's pipe fitting joint, and then main pincers, which are rotated clockwise, detains operation in completion.

During shackle, the back-up tong for above unloading clasp forceps clamps bottom tube joint, and then main pincers, which are rotated clockwise, reaches shackle position, Then top tube joint is clamped, and then main clamping band, which moves pipe fitting and rotates counterclockwise completion, releases operation, then turnbuckle clamp clamping Oil cylinder stretches out driving clamping structure and make it that spinner roller clamps top drilling tool, and last spinner drive mechanism driving spinner roller is rotated Complete shackle operation.

After shackle is completed, iron driller is moved rearwards by, and then the opening and closing oil cylinder of spray arrester device, which extends, causes two Half box is opened, while the fixed arm link of boom cylinder driving make it that the first half boxes and the second half boxes turn to well head center, Then opening and closing oil cylinder, which is retracted, make it that two and half boxes closure embraces pipe fitting and starts to collect mud, and oil cylinder is opened and closed after the completion of slurry collecting Stretching is that two and half boxes are opened to unclamp pipe fitting, and boom cylinder, which is retracted, completes slurry collecting work.

The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe Know the personage of this technology all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Cause This, those of ordinary skill in the art is complete without departing from disclosed spirit and institute under technological thought such as Into all equivalent modifications or change, should by the present invention claim be covered.

Claims (40)

1. a kind of rail mounted iron driller, for carrying out button and/or shackle operation to top tube and bottom tube, its feature exists In, including：

Track；

Pedestal, can run to operating position forward along the track, or run backward with away from operating position；

Turnbuckle clamp, is arranged on the pedestal；

On unload clasp forceps, be arranged on the pedestal and below the turnbuckle clamp.

2. rail mounted iron driller according to claim 1, it is characterised in that the pedestal includes fixed mount and can be along described Fixed mount lifting hoisting frame, the turnbuckle clamp and it is described on unload the front side that clasp forceps may be contained within the hoisting frame.

3. rail mounted iron driller according to claim 2, it is characterised in that the pedestal also includes what is be symmetrical set Lifting and guiding device, the lifting and guiding device per side includes the slide rail being arranged on the fixed mount and is arranged at described carry The sliding block on frame is risen, the sliding block can be slided up and down along the slide rail.

4. rail mounted iron driller according to claim 3, it is characterised in that the slide rail includes two pieces and the pedestal The vertical slide plate of traffic direction, the slide plate extends along short transverse, and a vertical edge and the fixed mount of every piece of slide plate are consolidated Fixed connection, every piece of slide plate surface relative with another piece of slide plate is to be formed between chute surface, two chute surfaces The slideway passed through for the sliding block, the width of the slideway is equal with the width of the sliding block, to cause the sliding block and two The chute surface is fitted simultaneously.

5. rail mounted iron driller according to claim 4, it is characterised in that the slide rail also includes polylith along short transverse Spaced gusset, the gusset is located at the outside of the slideway, for connecting the slide plate and the fixed mount.

6. rail mounted iron driller according to claim 3, it is characterised in that the material of the slide rail is steel alloy, described Sliding block is respectively arranged with self-lubrication alloy block with two relative both sides of the chute surface, and the sliding block is closed by the self-lubricating Gold bullion is slided along the slide rail.

7. rail mounted iron driller according to claim 3, it is characterised in that the fixed mount includes what is be symmetrical set Two root posts, the every column is used for the slide rail for installing respective side, and it is described vertical that the fixed mount also includes connection two The lower connecting cross beam of the lower end of two columns of upper connecting cross beam and connection of the upper end of post.

8. rail mounted iron driller according to claim 7, it is characterised in that be respectively connected with one below the every column With the bottom girder of the uprights vertical, the column is located at the rear end of the bottom girder, is also connected between the bottom girder and the column There is hound.

9. rail mounted iron driller according to claim 8, it is characterised in that walking mechanism, institute are provided with the bottom girder Stating walking mechanism can drive the pedestal to be run along the track.

10. rail mounted iron driller according to claim 7, it is characterised in that the hoisting frame includes being arranged at two institutes The octagonal framework between column is stated, the sliding block is arranged on the left and right side frame of the octagonal framework, the octagon The mounting platform of the turnbuckle clamp is provided with the upper side frame of framework.

11. rail mounted iron driller according to claim 10, it is characterised in that the octagonal framework is internally provided with On unload clasp forceps mounting bracket, it is described on unload the top of clasp forceps mounting bracket and be connected with the upper side frame of the octagonal framework, bottom and institute The lower frame for stating octagonal framework is connected.

12. rail mounted iron driller according to claim 3, it is characterised in that the pedestal includes connecting the fixed mount With the jacking cylinder of the hoisting frame, when the jacking cylinder is flexible, the hoisting frame can pass through the lifting and guiding device Moved up and down along the fixed mount.

13. rail mounted iron driller according to claim 2, it is characterised in that the pedestal is also described solid including being arranged at The bracket of top of the trellis is determined, for supporting the cable being connected with the iron driller.

14. rail mounted iron driller according to claim 1, it is characterised in that the turnbuckle clamp includes：

Caliper frame, is arranged on the pedestal；

Link, is arranged on the caliper frame in which can fluctuate；

Cupboard button device, is symmetrical set, and the cupboard button device per side includes multiple spinner rollers and each for driving The spinner drive mechanism that the spinner roller rotates around vertical axes；

Level compensating device, is symmetrical set, and the one end of the level compensating device per side passes through with the link First hinge is connected, and the rotating shaft of first hinge is the trunnion axis extended in left-right direction, so that the proper level compensating Device around first hinge rotate when, the other end of the level compensating device can produce the horizontal displacement of fore-and-aft direction；

Clamp system, connects described the other end of the level compensating device and the cupboard button device, can drive the left and right sides The cupboard button device mutually draw close, make it that the spinner roller clamps the top tube.

15. rail mounted iron driller according to claim 14, it is characterised in that the level compensating device it is described another End is connected by the second hinge with the clamp system, and the rotating shaft of second hinge is vertically extending vertical Axle.

16. rail mounted iron driller according to claim 15, it is characterised in that the clamp system includes clamping driving machine Structure and the clamping structure being symmetrical set, the clamping structure per side pass through second hinge and the water of respective side Described the other end of flat compensation device is connected, and the clamping structure also includes being located at the 3rd of the second hinge both sides respectively Hinge and the 4th hinge, the rotating shaft of the tri-joint mechanism and the 4th hinge are vertically extending vertical axes, with So that lever construction of the clamping structure formation using second hinge as fulcrum, when the tri-joint mechanism phase of the left and right sides When mutually remote, the 4th hinge of the left and right sides can mutually be drawn close.

17. rail mounted iron driller according to claim 16, it is characterised in that the clamping drive mechanism is horizontally disposed Clamping cylinder, the two ends of the clamping cylinder tri-joint mechanism respectively by the left and right sides and the clamping of respective side Structure is connected, and the 4th hinge per side is connected with the cupboard button device of respective side respectively, when the clamping cylinder drives left and right When the tri-joint mechanism of both sides is expanded outwardly, the 4th hinge can drive the cupboard button device of the left and right sides inwardly to lean on Hold together, make it that the spinner roller clamps the top tube.

18. rail mounted iron driller according to claim 17, it is characterised in that the clamping structure includes upper panel, It is be arranged in parallel with the upper panel and the lower panel below the upper panel, the upper panel and the bottom Panel is connected by intermediate studdle.

19. rail mounted iron driller according to claim 16, it is characterised in that the cupboard button device includes mounting bracket, institute State mounting bracket by the 4th hinge with the clamping structure of respective side to be connected, spinner roller and the spinner driving Mechanism is arranged on the mounting bracket.

20. rail mounted iron driller according to claim 15, it is characterised in that the level compensating device includes being arrived from above Under the first connecting rod and second connecting rod that are sequentially hinged, the upper end of the first connecting rod passes through first hinge with the link It is connected, the lower end of the second connecting rod is connected by second hinge with the clamp system.

21. rail mounted iron driller according to claim 20, it is characterised in that the length of the first connecting rod is less than described The length of second connecting rod.

22. rail mounted iron driller according to claim 15, it is characterised in that the clamp system and the caliper frame it Between, or horizontally disposed first flexible member is connected between the clamp system and the link.

23. rail mounted iron driller according to claim 14, it is characterised in that the link include being vertically arranged the Two flexible members, the link is connected by second flexible member with the caliper frame, make it that the link can It is arranged on fluctuating on the caliper frame.

24. the rail mounted iron driller according to claim 23, it is characterised in that the caliper frame includes what is be symmetrical set Guide groove, the link includes the guide wheel being symmetrical set, and the quantity of the guide wheel per side is two or more, the guide wheel Can in the guide groove of respective side scroll-up/down.

25. the rail mounted iron driller according to claim 23, it is characterised in that the caliper frame includes being arranged on described second Being used for inside flexible member provides the guide pillar being oriented to for second flexible member.

26. rail mounted iron driller according to claim 14, it is characterised in that often the quantity of the spinner roller of side is Two.

27. rail mounted iron driller according to claim 14, it is characterised in that the spinner drive mechanism is is arranged at The spinner hydraulic motor above spinner roller is stated, the quantity of the spinner hydraulic motor is identical with the quantity of the spinner roller, It is respectively used to the corresponding spinner roller of driving.

28. rail mounted iron driller according to claim 1, it is characterised in that also including the mud on the pedestal Blowout-preventing box device is starched, the spray arrester device includes：

Box body, including two half boxes that can be opened or closed, when two half boxes are closed, can embrace the pipe fitting；

Switching mechanism, is connected with two half boxes, and two half boxes can be driven to open or close；

Arm support, one end is installed on the side of the pedestal, and the other end is hinged with the box body, the other end of the arm support Can in the horizontal direction it be moved relative to the pedestal, to drive the position of the box body arrival or the remote pipe fitting.

29. rail mounted iron driller according to claim 28, it is characterised in that the box body is hinged with the arm support Side be provided with attachment structure, the attachment structure includes two otic placodes being located at respectively on two half boxes, described to open Mechanism is closed for horizontally disposed opening and closing oil cylinder, two ends of two otic placodes respectively with the opening and closing oil cylinder are hinged, and work as institute When stating opening and closing oil cylinder elongation, the otic placode drives half box to open, and when the opening and closing oil cylinder shrinks, the otic placode drives two Individual half box is closed.

30. rail mounted iron driller according to claim 29, it is characterised in that the oriented arm support is set on the otic placode The convex portion of direction extension, the other end of the arm support is connected by vertical hinge with the convex portion, the box body is cut with scissors It is connected on the arm support.

31. rail mounted iron driller according to claim 29, it is characterised in that the quantity of the attachment structure is three, It is spaced apart and arranged in along short transverse on the box body, the quantity of the opening and closing oil cylinder is also three, respectively with three companies Binding structure is connected.

32. rail mounted iron driller according to claim 31, it is characterised in that one of them of each attachment structure Otic placode is the convex portion that the oriented arm support direction extension is set on main otic placode, the main otic placode, the other end of the arm support It is connected with the convex portion by vertical hinge, is located at one described half in the main otic placode of the attachment structure of both sides up and down On box, it is located in the main otic placode of the middle attachment structure on another described half box.

33. rail mounted iron driller according to claim 28, it is characterised in that the other end of the arm support is provided with Block, the opening amplitude for limiting two half boxes.

34. rail mounted iron driller according to claim 28, it is characterised in that the upper surface and lower surface of the box body point The sheet rubber being detachably connected with the box body is not provided with, and the middle setting of the sheet rubber has perforate.

35. rail mounted iron driller according to claim 28, it is characterised in that the arm support includes what head and the tail were hinged successively Fixed arm, intermediate arm and tail arm, the head end of the fixed arm are fixedly mounted on the pedestal, the tail end of the tail arm with it is described Box body is hinged, the side of the hinge that the intermediate arm and the tail arm are hinged be additionally provided with also cross the intermediate arm and Dismountable bearing pin of the tail arm.

36. rail mounted iron driller according to claim 35, it is characterised in that the spray arrester device also includes using In the drive mechanism for driving the arm support to rotate, the drive mechanism includes boom cylinder, fixed arm link and middle arm link, One end of the boom cylinder is fixedly connected on the head end of the pedestal or the fixed arm, the other end and the fixed arm The bar portion of connecting rod is hinged；One end of the fixed arm link is hinged on the stage casing of the fixed arm, the other end and the intermediate arm One end of connecting rod is hinged；The other end that the middle arm link is not connected with the fixed arm link is hinged in the intermediate arm Section.

37. rail mounted iron driller according to claim 1, it is characterised in that also unloaded including being arranged on described on clasp forceps The cleaning oil spreading device on surface.

38. the rail mounted iron driller according to claim 37, it is characterised in that the cleaning oil spreading device is opened including top Flushing machine, inflatable body and oil injection mechanism are provided with the housing of mouth, the housing, the oil injection mechanism is located at described rinse The lower section of mechanism and the inflatable body.

39. the rail mounted iron driller according to claim 37, it is characterised in that the cleaning oil spreading device also includes setting The housing travelling mechanism for unloading the housing track of clasp forceps upper surface and being arranged on the housing on described, the housing can be Housing track described in the driving lower edge of the housing travelling mechanism runs to the lower position of the top tube or run extremely Position away from the top tube.

40. rail mounted iron driller according to claim 1, it is characterised in that also including centering machine, be arranged on described The lower section of clasp forceps is unloaded, the work centre for determining to unload clasp forceps and the turnbuckle clamp on described.