CN107165589A - A kind of drill-bit changing device - Google Patents

A kind of drill-bit changing device Download PDF

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Publication number
CN107165589A
CN107165589A CN201710614676.3A CN201710614676A CN107165589A CN 107165589 A CN107165589 A CN 107165589A CN 201710614676 A CN201710614676 A CN 201710614676A CN 107165589 A CN107165589 A CN 107165589A
Authority
CN
China
Prior art keywords
drill bit
designed
housing
clamping jaw
bevel gear
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.)
Granted
Application number
CN201710614676.3A
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Chinese (zh)
Other versions
CN107165589B (en
Inventor
张梁
周加伟
谢帅
何虹钢
李镕成
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Southwest Petroleum University
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Southwest Petroleum University
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Filing date
Publication date
Application filed by Southwest Petroleum University filed Critical Southwest Petroleum University
Priority to CN201710614676.3A priority Critical patent/CN107165589B/en
Publication of CN107165589A publication Critical patent/CN107165589A/en
Application granted granted Critical
Publication of CN107165589B publication Critical patent/CN107165589B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/18Connecting or disconnecting drill bit and drilling pipe

Abstract

The present invention relates to a kind of bit change-over device, the device includes:Horizontal push-pull system, liter lift cylinder system, grasping system, isolation cylinder system, power forceps system, seal casinghousing and drill bit suspension.When changing old drill bit, drill bit is released or linked closely by power forceps system, drill bit is separated or connected with drilling rod by grasping system.When grasping system works:Connecting rod is promoted by piston rod, clamping jaw is clamped drill bit or unclamps drill bit.When suspension works, connecting rod is promoted by piston rod, fixture block is caught in or exit the step surface of drill bit, and then drill bit is separated or is connected with suspension.Compared with prior art, drill bit of the present invention separates simple with attended operation with drill bit suspension, and the present invention can carry out replacement operation at subsea wellheads to old drill bit, and then bore the time under the trip-out time of shortening drill bit and drill bit, so as to shorten drilling period, reduce labor intensity, and reduce marine oil and gas drilling well integrated cost.

Description

A kind of drill-bit changing device
Technical field
The present invention relates to offshore oil gas drilling equipment technology field, more particularly to a kind of drill-bit changing device.
Background technology
With the shortage of landing field petroleum resources, coastal countries are explored and opened to Marine oil and gas resource successively Adopt, and the exploration to Marine oil and gas resource progressively turns into the main trend that domestic and international oil and gas industry develops with exploitation.In addition, with China's economy to grow continuously and fast, petroleum resources is insufficient by the principal contradiction as obstruction economic development, to improve oil The occupancy volume of gas resource, the exploration and exploitation of marine oil and gas have become the strategic emphasis that China realizes energy sustainable development.
The exploitation of marine oil and gas is developed so far, and drilling well exploitation is still oil, the major way of gas exploitation.A bite Oil/gas Well is from opening Completion is got into, following three groundworks need to be carried out:Crush bottom rock, put down fragmented rock (i.e. landwaste) migration to ocean Platform, complete well cementation, and drill bit be in drilling engineering to fractured rock, form the crucial rock crushing tool of pit shaft.In prior art In, when drill bit is worn and torn by stratum, or drill bit is when running into the bad grounds such as hard formation, abrasive layer, rammell, need to be old by shaft bottom Drill bit rises and is drilled into ocean platform to change green bit;During trip-out, need to using hydraulic tongs, shackle is pulled down one by one by drill pipe joint, from And old drill bit is promoted to ocean platform, and the old drill bit being worn is changed on ocean platform, or change and complexity The old drill bit that stratum is not matched that.After the completion of old bit change-over, tripping operation need to be carried out, during lower brill, hydraulic tongs need to be used Drill pipe joint is upper buckle-shaped into drill string one by one, so that green bit lower going-into-well bottom.Behind green bit lower going-into-well bottom, turn on pump enters again Row drillng operation, and then realize raising bit speed, reduce the purpose of drilling well integrated cost.
But change that trip-out, tripping operation time that old drill bit brings are long, add marine oil gas well drilling period and Labor intensity is improved, drilling cost is considerably increased.
The content of the invention
In order to overcome the disadvantages mentioned above of existing more bit change equipment, it is an object of the invention to provide a kind of bit change dress Put, the device can carry out replacement operation at subsea wellhead installations to old drill bit, to shorten trip-out time and the drill bit of drill bit The lower brill time, and then shorten the drilling time of marine oil gas well.
In order to achieve the above object, the technical proposal of the invention is realized in this way:
A kind of drill-bit changing device, by horizontal push-pull system 1, grasping system 2, rise lift cylinder system 3, isolation cylinder system 4, Power forceps system 5 and seal casinghousing 6 are constituted, it is characterized in that:Power forceps system 5, horizontal push-pull system are installed in seal casinghousing 6 1, it is provided with horizontal push-pull system 1 and liter lifts a cylinder system 3, elevating ram system 3 be connected with the bearing pin of grasping system 2, isolates oily Cylinder system 4 is located at the center of seal casinghousing 6;
The lower installation board 37 for rising act cylinder system 3 is installed on the slide rail 11 of horizontal push-pull system 1;Rise and lift oil cylinder system The upper mounting plate 35 of system 3 and elevating ram bolt connection;The piston rod of elevating ram is connected with the bearing pin of grasping system 2;
The grasping system 2 include housing 21, clamping jaw 22, positioning cover plate 23, bevel gear wheel 24, bevel pinion 25, motor, Connecting plate 27;The upper end face of the housing 21 is designed with T-slot 28, T-slot 28 and is provided with clamping jaw 22;Housing 21 it is interior Portion is made up of interior annular 30 and outer toroid 31;The lower side external surface of the interior annular 30 of housing 21 is designed with small bearing mounting hole 32, small Small bearing is installed, small bearing is engaged with the small shaft end of bevel pinion 25 in bearing mounting hole 32;The interior annular 30 of housing 21 Lower surface is designed with screwed hole, and positioning cover plate 23 is anchored on the lower surface of interior annular 30 through screwed hole by bolt;Outside housing 21 The lower side external surface of annulus 31, which is designed with big bearing mounting hole 33, big bearing mounting hole 33, is provided with big bearing, big bearing with The big shaft end of bevel pinion 25 is engaged;The outside of big bearing mounting hole 33 of outer toroid 31 is designed with rectangular boss 29, and rectangle is convex The end face of platform 29 is designed with screwed hole, and motor 26 is anchored on the end face of rectangular boss 29 through screwed hole by bolt;Outside housing 21 The lower surface of annulus 31 is designed with screwed hole, and connecting plate 27 is anchored on the lower surface of outer toroid 31 through screwed hole by bolt;
The clamping jaw 22 is installed in the T-slot 28 of housing 21, and clamping jaw 22 is T-shaped, and the inner side end of clamping jaw 22 is designed with Triangle card tooth, the downside surface of clamping jaw 22 is designed with flat thread;The bevel gear wheel 24 is in hollow cylindrical, bevel gear wheel The interior annular 30 of 24 inner surface and housing 21 cooperates, and the upper end of bevel gear wheel 24 is designed with flat thread, auger tooth The flat thread of wheel 24 is intermeshed with the flat thread of clamping jaw 22, the rear surface design cone tooth of bevel gear wheel 24;It is described small The middle part of bevel gear 25 is designed with cone tooth, and the cone tooth of bevel pinion 25 is intermeshed with the cone tooth of bevel gear wheel 24;Bevel pinion It is cased with being cased with big bearing outside small bearing, the big shaft end in right side of bevel pinion 25 outside the 25 small shaft end in left side;The right side of bevel pinion 25 The big shaft end indoor design in side has rectangle cavity, the connection of rectangle cavity and motor 26;
The connecting plate 27 is in the form of annular discs, and connecting plate 27 is circumferentially designed with through hole, and bolt passes through through hole by connecting plate 27 It is anchored on the lower surface of housing 21;It is designed with the end face center of connecting plate 27 in rectangle ears ring, rectangle ears ring and is designed with circle Through hole.
Compared with the prior art, the beneficial effects of the invention are as follows:The device can enter at the inlet device of seabed to old drill bit Row replacement operation, can shorten the trip-out time of drill bit and the lower brill time of drill bit, and then reduce offshore oil natural gas resource brill The integrated cost of well exploitation.
Brief description of the drawings
Fig. 1 lifts the schematic three dimensional views of cylinder system and grasping system to rise.
Fig. 2 lifts the three-dimensional cut-away view of cylinder system and grasping system to rise.
Fig. 3 lifts the parts floor map of cylinder system lower end to rise.
Fig. 4 lifts the parts schematic three dimensional views of cylinder system lower end to rise.
Fig. 5 is the slide rail and ball-screw schematic diagram of horizontal push-pull system.
Fig. 6 is grasping system schematic diagram.
Fig. 7 is body diagram.
Fig. 8 is housing three dimensional sectional view.
Fig. 9 illustrates for grasping system inner body.
Figure 10 illustrates for grasping system inner body three-dimensional sectional.
Figure 11 is clamping jaw schematic diagram.
Figure 12 is the schematic diagram that bevel gear wheel is engaged with bevel pinion.
Figure 13 is the schematic diagram that bevel gear wheel is engaged with clamping jaw.
Figure 14 is positioning cover plate schematic diagram.
Figure 15 is connecting plate schematic diagram.
Figure 16 is schematic diagram when each system of the invention is in original state.
Schematic diagram when Figure 17 releases for Power Tong.
Figure 18 is schematic diagram when grasping system makes drill bit and drilling rod separation.
Schematic diagram when Figure 19 is the old drill bit of grasping system movement to bit change-over position.
Figure 20 is schematic diagram when grasping system dismantles lower green bit.
Figure 21 is at grasping system clamping green bit to drilling rod, and schematic diagram when making the drill bit be initially connected with drilling rod.
1. horizontal push-pull system, 2. grasping systems, 3. liters of act cylinder systems, 4. isolation cylinder systems, 5. power forceps systems, 6. seal casinghousing;11. slide rail, 12. ball screws;21. housing, 22. clamping jaws, 23. positioning cover plates, 24. bevel gear wheels, 25. is small Bevel gear, 26. motors, 27. connecting plates;28.T shape grooves, 29. rectangular boss, 30. interior annulars, 31. outer toroids, 32. small bearing peaces Fill hole, 33. big bearing mounting holes, 34. cover plate circular holes;35. upper mounting plate, 36. support rings, 37. lower installation boards.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
1~Fig. 2 of reference picture, and Figure 16~Figure 21, a kind of drill-bit changing device, by horizontal push-pull system 1, grasping system 2, Act cylinder system 3, isolation cylinder system 4, power forceps system 5 and seal casinghousing 6 is risen to constitute.The lower surface of seal casinghousing 6 and sea Bottom wellhead assembly bolt connection;Left side bottom surface bolt connection inside seal casinghousing 6 has horizontal push-pull system 1, horizontal push-and-pull system 1 upside bolt connection of uniting has a liter act cylinder system 3, rises the upside of act cylinder system 3 and is connected with the bearing pin of grasping system 2;Seal casinghousing 6 The dynamic forceps system 5 of inner right side bolt connection, isolation cylinder system 4 is located at the center of housing 21.
The operation principle of seabed drill-bit changing device is:Reference picture 16, during the normal drilling well of old drill bit, isolation cylinder system 4 Piston rod is in the state of elongation, marine riser is connected with wellhead assembly, so that circulation silt when preventing drilling well enters sealing The left and right sides of housing 6.Drill bit, when needing to change old drill bit, need to be promoted at subsea wellhead installations by reference picture 17, close Slush pump is closed, and withdraws the piston rod of isolation cylinder system 4, and old drill bit is promoted at the height of Power Tong, Ran Houqi Motor at dynamic Power Tong, rotates ball-screw, and then power forceps system 5 is extend out at old drill bit;Finally start power Pincers, make Power Tong clamp old drill bit and carry out operation of releasing.Reference picture 18, just stops unloading when drill bit unscrewing operation is near completion Button, and starting the motor at Power Tong rotates ball-screw, and then power forceps system 5 is retracted to home position;Then open Moving the motor at horizontal push-pull system 1 rotates ball-screw 12, and then moves to liter act cylinder system 3 and grasping system 2 At old drill bit;Finally make liter piston rod for lifting cylinder system 3 rise to old drill bit, and make grasping system 2 clamp old drill bit to enter Row rotary operation, so that old drill bit is thoroughly separated with drilling rod.Reference picture 19, after old drill bit is separated with drilling rod, makes a liter act oil The piston rod of cylinder system 3 is withdrawn, and starts the motor at horizontal push-pull system 1, rotates ball-screw 12, and then makes a liter act oil Cylinder system 3 and grasping system 2 retract to home position;After a liter act cylinder system 3 retracts to home position, rise and lift cylinder system 3 piston rod emersion, and grasping system 2 is rotated, so that old drill bit is installed on drill bit hanger bracket.Reference picture 20, when old Drill bit is installed on after hanger bracket, is started and the motor at horizontal push-pull system 1, is rotated ball-screw 12, and then makes a liter act oil Cylinder system 3 and grasping system 2 are moved at green bit;After a liter act cylinder system 3 is moved at green bit, grasping system 2 Piston rod stretches out and clamps green bit, then starts the motor for rising and lifting at cylinder system 3, rotates grasping system 2, and then makes new Drill bit is separated with hanger bracket.Reference picture 21, after green bit is separated with hanger bracket, withdraws liter piston rod for lifting cylinder system 3, And start and the motor at horizontal push-pull system 1, rotate ball-screw 12, and then make liter act cylinder system 3 and a grasping system 2 move at drilling rod;After green bit is moved at drilling rod, liter piston rod for lifting cylinder system 3 is stretched out, and make a liter act oil cylinder The motor rotation that system 3 goes out, and then green bit is connected with drilling rod, realize preliminary upper button;Detained when green bit and drilling rod are tentatively upper After the completion of, liter act cylinder system 3 and grasping system 2 is retracted to home position;Finally Power Tong is set to move at green bit, then Start Power Tong and operation of linking closely is carried out to green bit.Power Tong links closely and retracted to initial position after the completion of operation, is made isolation oil The piston rod of cylinder system 4 is stretched out, and marine riser and moving uphole passage are set up from newly.
1~Fig. 5 of reference picture, the lower end for rising act cylinder system 3 is installed on the slide rail 11 of horizontal push-pull system 1, is risen and is lifted oil The upper end of cylinder system 3 is connected with the bearing pin of grasping system 2.Rising act cylinder system 3 includes elevating ram, upper mounting plate 35, support ring 36, lower installation board 37.Rise to lift and be installed on the downside of the lower installation board 37 of cylinder system 3 on the slide rail 11 of horizontal push-pull system 1, lower peace The upside of dress plate 37 contacts blending bolt connection with support ring 36;The upper surface of support ring 36 is provided with circular groove, groove Ball is inside installed, ball is contacted with upper mounting plate 35, ball is used to reduce the friction between upper mounting plate 35 and support ring 36 Resistance;The upper surface center of lower installation board 37 has been bolted connection motor, and power transmission shaft and the upper backup pad of motor are formed Spline is connected, and motor is used to rotate upper backup pad, and then rotates grasping system 2.
3~Fig. 4 of reference picture, the upper center of branch installing plate 33 is designed with the outside of spline, spline and is designed with screwed hole.Flower Keyway is used to be connected with the splined shaft of motor, and screwed hole is used for the upper surface that elevating ram is fixed on to upper backup pad.
6~Figure 10 of reference picture, the grasping system 2 includes housing 21, clamping jaw 22, positioning cover plate 23, bevel gear wheel 24, small Bevel gear 25, motor 26, connecting plate 27.The operation principle of grasping system 2 is:Motor 26, which is rotated forward, revolves bevel pinion 25 Turn, the cone tooth of bevel pinion 25 is intermeshed with the cone tooth of bevel gear wheel 24, so that bevel pinion 25 drives bevel gear wheel 24 Rotation;The flat thread of auger tooth is intermeshed with the flat thread of clamping jaw 22, so that footpath of the clamping jaw 22 along bevel gear wheel 24 To movement;Clamping jaw 22 is moved radially, so that clamping jaw 22 clamps drill bit.When needing clamping jaw 22 to unclamp drill bit, motor 26 is reverse Rotation, makes clamping jaw 22 radially retract, so as to realize that clamping jaw 22 unclamps the purpose of drill bit.
Clamping jaw 22, positioning cover plate 23, bevel gear wheel 24, small bevel gear are installed inside 6~Figure 10 of reference picture, the housing 21 Wheel 25, the lower end of the bolt of housing 21 is connected with connecting plate 27.The upper end face of the housing 21 is designed with T-slot 28, T type grooves 28 are used to install clamping jaw 22.The inside of housing 21 is made up of interior annular 30 and outer toroid 31;Outside the downside of the interior annular 30 of housing 21 Surface, which is designed with small bearing mounting hole 32, small bearing mounting hole 32, is provided with small bearing, and small bearing is small with bevel pinion 25 Shaft end is engaged.The lower surface of the interior annular 30 of housing 21 is designed with screwed hole, and bolt fastens positioning cover plate 23 through screwed hole In the lower surface of interior annular 30.The lower side external surface of the outer toroid 31 of housing 21 is designed with big bearing mounting hole 33, big bearing mounting hole Big bearing is installed, big bearing is engaged with the big shaft end of bevel pinion 25 in 33.Outside the big bearing mounting hole 33 of outer toroid 31 Side is designed with rectangular boss 29, and the end face of rectangular boss 29 is designed with screwed hole, and motor 26 is anchored on square by bolt through screwed hole The end face of shape boss 29.The lower surface of outer toroid 31 of housing 21 is designed with screwed hole, and bolt fastens connecting plate 27 through screwed hole In the lower surface of outer toroid 31.
Reference picture 11, the clamping jaw 22 is installed in the T-slot 28 of housing 21, and clamping jaw 22 is T-shaped, the medial extremity of clamping jaw 22 Face is designed with triangle card tooth, and triangle card tooth is used to increase the frictional force between clamping jaw 22 and drill bit.The downside table of clamping jaw 22 Face is designed with flat thread, and the flat thread of clamping jaw 22 is intermeshed with the flat thread of bevel gear wheel 24, and then realizes transmission The purpose that motor 26 is moved.
12~Figure 13 of reference picture, the bevel gear wheel 24 is in hollow cylindrical, and bevel gear wheel 24 is installed on the interior of housing 21 Between annulus 30 and outer toroid 31, and the inner surface of bevel gear wheel 24 cooperates with the interior annular 30 of housing 21, auger tooth The upper end of wheel 24 is designed with flat thread, and the flat thread of bevel gear wheel 24 is intermeshed with the flat thread of clamping jaw 22, auger The rear surface design cone tooth of gear 24, the cone tooth of bevel gear wheel 24 is intermeshed with the cone tooth of bevel pinion 25.Bevel gear wheel The downside of 24 cone teeth is contacted with positioning cover plate 23, and positioning cover plate 23 is used for axially position and the installation of bevel gear wheel 24.
Reference picture 14, the positioning cover plate 23 is cup-shaped, and the top of positioning cover plate 23 is used to contact with bevel gear wheel 24, real The axially position of existing bevel gear wheel 24 and installation.The center outer surface of positioning cover plate 23 is designed with cover plate circular hole 34, cover plate circular hole The small shaft end for having bevel pinion 25 in 34 is passed through.
12~Figure 13 of reference picture, the middle part of the bevel pinion 25 is designed with cone tooth, the cone tooth and auger of bevel pinion 25 The cone tooth intermeshing of gear 24.Small bearing, the big axle in right side of bevel pinion 25 are cased with outside the small shaft end in left side of bevel pinion 25 End is outer to be cased with big bearing, and then realizes that bevel pinion 25 rotates to obtain purpose in housing 21.The right side of bevel pinion 25 Big shaft end indoor design has rectangle cavity, and the axle that rectangle cavity is used for motor 26 is connected.
Reference picture 15, the connecting plate 27 is in the form of annular discs, and connecting plate 27 is circumferentially designed with through hole, and bolt will through through hole Connecting plate 27 is anchored on the lower surface of housing 21.Two pairs of rectangle ears rings, rectangle ears ring are designed with the end face center of connecting plate 27 Manhole is inside designed with, bearing pin passes through the rectangle ears ring of circular connecting plate 27 to lift the monaural ring of oil cylinder with rising, and then realizes Grasping system 2 is connected with the bearing pin of lift system.

Claims (2)

1. a kind of drill-bit changing device, by horizontal push-pull system (1), grasping system (2), rises and lifts cylinder system (3), isolation cylinder system Unite (4), power forceps system (5) and seal casinghousing (6) are constituted, it is characterized in that:Power forceps system is installed in seal casinghousing (6) (5) and horizontal push-pull system (1), be provided with horizontal push-pull system (1) and liter lift a cylinder system (3), elevating ram system (3) with Grasping system (2) bearing pin is connected, and isolation cylinder system (4) is located at seal casinghousing (6) center;
The lower installation board (37) for rising act cylinder system (3) is installed on the slide rail of horizontal push-pull system (1) (11);Rise and lift oil The upper mounting plate (35) of cylinder system (3) and elevating ram bolt connection;The piston rod of elevating ram connects with grasping system (2) bearing pin Connect;
The grasping system (2) includes housing (21), clamping jaw (22), positioning cover plate (23), bevel gear wheel (24), bevel pinion (25), motor (26), connecting plate (27);The upper end face of the housing (21), which is designed with T-slot (28), T-slot (28), pacifies Equipped with clamping jaw (22);The inside of housing (21) is made up of interior annular (30) and outer toroid (31);The interior annular (30) of housing (21) Lower side external surface is designed with small bearing mounting hole (32), small bearing mounting hole (32) and is provided with small bearing, small bearing and conelet The small shaft end of gear (25) is engaged;Interior annular (30) lower surface of housing (21) is designed with screwed hole, and bolt passes through screwed hole Positioning cover plate (23) is anchored on to the lower surface of interior annular (30);Side external surface is designed with greatly under the outer toroid (31) of housing (21) Big bearing, the big shaft end phase of big bearing and bevel pinion (25) are installed in bearing mounting hole (33), big bearing mounting hole (33) Coordinate;Rectangular boss (29), the design of rectangular boss (29) end face are designed with the outside of the big bearing mounting hole (33) of outer toroid (31) There is screwed hole, motor (26) is anchored on the end face of rectangular boss (29) through screwed hole by bolt;The outer toroid of housing (21) (31) lower surface is designed with screwed hole, and connecting plate (27) is anchored on the lower surface of outer toroid (31) through screwed hole by bolt.
2. a kind of drill-bit changing device according to claim 1, it is characterised in that:The clamping jaw (22) is installed on housing (21) T-slot (28) in, clamping jaw (22) is T-shaped, and the inner side end of clamping jaw (22) is designed with triangle card tooth, the downside of clamping jaw (22) Surface is designed with flat thread;The bevel gear wheel (24) is in hollow cylindrical, the inner surface and housing of bevel gear wheel (24) (21) interior annular (30) cooperates, and the upper end of bevel gear wheel (24) is designed with flat thread, the plane of bevel gear wheel (24) The flat thread of screw thread and clamping jaw (22) is intermeshed, the rear surface design cone tooth of bevel gear wheel (24);The bevel pinion (25) cone tooth is designed with the middle part of, the cone tooth of bevel pinion (25) is intermeshed with the cone tooth of bevel gear wheel (24);Bevel pinion (25) it is cased with being cased with big bearing outside small bearing, the big shaft end in right side of bevel pinion (25) outside the small shaft end in left side;Bevel pinion (25) the big shaft end indoor design in right side has rectangle cavity, the connection of rectangle cavity and motor (26);
The connecting plate (27) is in the form of annular discs, and connecting plate (27) is circumferentially designed with through hole, and bolt passes through through hole by connecting plate (27) it is anchored on the lower surface of housing (21);It is designed with connecting plate (27) end face center in rectangle ears ring, rectangle ears ring It is designed with manhole.
CN201710614676.3A 2017-07-26 2017-07-26 A kind of drill-bit changing device Expired - Fee Related CN107165589B (en)

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CN201710614676.3A CN107165589B (en) 2017-07-26 2017-07-26 A kind of drill-bit changing device

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Application Number Priority Date Filing Date Title
CN201710614676.3A CN107165589B (en) 2017-07-26 2017-07-26 A kind of drill-bit changing device

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CN107165589B CN107165589B (en) 2018-09-07

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130341002A1 (en) * 2012-06-21 2013-12-26 Complete Production Services, Inc. Pipe clamp mechanism and method
US20140151021A1 (en) * 2012-11-19 2014-06-05 Key Energy Services, Llc Mechanized and automated well service rig system
JP2016000892A (en) * 2014-06-11 2016-01-07 泰照 佐伯 Drill bit extraction machine
CN105443051A (en) * 2014-09-29 2016-03-30 宜昌精博艺工程机械设备制造有限公司 Clamping device for dismounting drilling rod of drilling machine
CN205330578U (en) * 2015-12-11 2016-06-22 湖北首开机械有限公司 Unload pole ware subassembly
CN205638216U (en) * 2016-03-25 2016-10-12 胜利油田金刚石石油技术有限公司 Oil -well rig tubular column automated processing system
CN205840822U (en) * 2016-08-05 2016-12-28 中船勘察设计研究院有限公司 A kind of shaft mouth operating bench
CN205895177U (en) * 2016-05-23 2017-01-18 石家庄奥创矿用设备有限公司 Dismantle drilling rod device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130341002A1 (en) * 2012-06-21 2013-12-26 Complete Production Services, Inc. Pipe clamp mechanism and method
US20140151021A1 (en) * 2012-11-19 2014-06-05 Key Energy Services, Llc Mechanized and automated well service rig system
JP2016000892A (en) * 2014-06-11 2016-01-07 泰照 佐伯 Drill bit extraction machine
CN105443051A (en) * 2014-09-29 2016-03-30 宜昌精博艺工程机械设备制造有限公司 Clamping device for dismounting drilling rod of drilling machine
CN205330578U (en) * 2015-12-11 2016-06-22 湖北首开机械有限公司 Unload pole ware subassembly
CN205638216U (en) * 2016-03-25 2016-10-12 胜利油田金刚石石油技术有限公司 Oil -well rig tubular column automated processing system
CN205895177U (en) * 2016-05-23 2017-01-18 石家庄奥创矿用设备有限公司 Dismantle drilling rod device
CN205840822U (en) * 2016-08-05 2016-12-28 中船勘察设计研究院有限公司 A kind of shaft mouth operating bench

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