CN109296310A - A kind of rock core top direct-drive type drilling rig - Google Patents
A kind of rock core top direct-drive type drilling rig Download PDFInfo
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- CN109296310A CN109296310A CN201811391353.3A CN201811391353A CN109296310A CN 109296310 A CN109296310 A CN 109296310A CN 201811391353 A CN201811391353 A CN 201811391353A CN 109296310 A CN109296310 A CN 109296310A
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- 239000011435 rock Substances 0.000 title claims abstract description 55
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- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 230000008901 benefit Effects 0.000 abstract description 18
- 238000012423 maintenance Methods 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 7
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 62
- 238000010586 diagram Methods 0.000 description 17
- 238000009434 installation Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 7
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/02—Rod or cable suspensions
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/16—Connecting or disconnecting pipe couplings or joints
- E21B19/161—Connecting or disconnecting pipe couplings or joints using a wrench or a spinner adapted to engage a circular section of pipe
- E21B19/163—Connecting or disconnecting pipe couplings or joints using a wrench or a spinner adapted to engage a circular section of pipe piston-cylinder actuated
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
Embodiment of the invention discloses direct-drive type drilling rigs at the top of a kind of rock core, direct-drive type drilling rig includes: running block at the top of the rock core, fairlead, power unit, mud cycling element, fender bracket, tilting unit, drill rod fastener dismount device, control unit, the fairlead is arranged in the power unit side, one end of the mud cycling element is connected to the top of the power unit, the running block is connected to the power unit, at the top of the mud cycling element, described control unit is communicatively coupled to the running block and the power unit, the power unit is connected to the main shaft by expansion set.This equipment directly drives main shaft rotation using an alternating-current variable frequency motor by the setting of power unit, has the advantages that drilling well maintenance is simple, construction efficiency is high, feed stroke is long, low energy consumption, it is compact-sized to run smoothly and light-weight.
Description
Technical field
The present invention relates to drilling fields, and in particular to a kind of rock core top direct-drive type drilling rig.
Background technique
Continuous exploitation with the mankind to subterranean resource, shallow-layer resource look for mine to be increasingly becoming substantially close to exhaustion, deep layer
The main direction of development of China's geological prospecting from now on.And geological exploration field is widely used for mechanical biography currently on the market
Dynamic spindle-type core drill and all-hydraulic power head churn, wherein machine driving spindle-type core drill technology shortcoming is:
Feed stroke is short, construction efficiency is low, be unable to stepless speed regulation, coring is of poor quality, stationarity is poor, bit life is short, drilling accident is hidden
Suffer from more etc.；Wherein all-hydraulic power head churn technology shortcoming is: manufacture/use cost is high, processing accident ability is poor, passes
Efficiency of movement is low, energy consumption is high, drilling rod placement position is small, and labour is larger etc..
In recent years, top drive churn is the great cutting edge technology equipment of current oil drilling, and the drive of petroleum top can connect vertical
Root is directly crept into, and eliminates the routine operation that kelly bar is connect, unloaded when rotary drilling, saves drilling time 20%~25%, meanwhile,
Labor intensity of workers is alleviated, the personal injury of operator is reduced.When using top-drive device drilling well, well in advantageous drilling well
The processing of lower complex situations and accident, it is highly beneficial to the wellbore construction of deep-well, special well.Above-mentioned technology shortcoming is:
Bulky, quality weighs, is expensive.
Existing petroleum top drive there are two types of driving methods: electric drive and hydraulic-driven, wherein electric drive using one or
Two motors drive central tube to drive drilling rod drilling well as power after gear reduction box slows down.It is easy to happen with gear-box
Oil leak, difficult in maintenance, high failure rate, expensive disadvantage；Wherein hydraulic-driven is passed through in drive of slowing down using hydraulic motor
Heart pipe drives drilling rod drilling well.Disadvantages mentioned above: having transmission efficiency low, and maintenance requirement is high, expensive disadvantage.Petroleum top simultaneously
The revolving speed of drive is 115-240r/min.And it is more demanding to revolving speed in rock core drilling applications, need maximum speed in 1200r/
min。
Therefore, the technical advantage of both conventional core drilling machine and top-drive device is combined to develop a new generation in China
Rock core deep hole top drive drilling apparatus is drilling well scientific research field key subjects urgently to be resolved, and the urgent of market is essential instantly
It asks.
Summary of the invention
To solve the above-mentioned problems in the prior art, the present invention provides direct-drive type probing dresses at the top of a kind of rock core
It sets, which is characterized in that direct-drive type drilling rig includes: running block, fairlead, power unit, mud at the top of the rock core
Cycling element and control unit, the fairlead are arranged in the power unit side, one end of the mud cycling element
It is connected to the top of the power unit, the running block is connected to the power unit, is located at the mud cycling element
Top, described control unit are communicatively coupled to the running block and the power unit；
Wherein, the power unit includes upper box, motor case body, righting cabinet, lower box and main shaft, the lower box
It is connected to the upper box and forms confined space, the motor case body is arranged between the upper box and the lower box, institute
It states righting cabinet to be arranged between the motor case body and the lower box, the main shaft passes through the upper box, the motor
Cabinet, the righting cabinet and the lower box, the driving end cap of the motor case body are located on the main shaft；
Wherein, the running block includes pulley spindle, pulley, balancing cylinder, sunpender and is socketed on the pulley spindle
Bearing, the pulley are sequentially sleeved on the pulley spindle to be multiple, and the balancing cylinder is symmetricly set on the pulley spindle
Both ends, one end of the balancing cylinder are connected to pulley spindle, and the other end is connected to sunpender, and the sunpender is articulated with the upper box
Top.
Optionally, further include the first bearing being set on the main shaft, second bearing, 3rd bearing, fourth bearing and
5th bearing, the first bearing and the second bearing are located in the upper box, and the first bearing is located at described second
Top, the 3rd bearing are located in the righting cabinet, and the fourth bearing and the 5th bearing are arranged described
In lower box, the fourth bearing is located at the top of the 5th bearing；Wherein, the second bearing and the 5th bearing bottom
It is provided with O-ring seal and oil groove, button is equipped with gland in the O-ring seal of the 5th bearing bottom and oil groove.
Optionally, the running block includes mud guard, gear rope bar and rope blocking plate, and the rope blocking plate is that V-shaped is hingedly set
It sets at the both ends of the pulley spindle, the gear rope bar is two, and the both ends of the gear rope bar are connected to two rope blocking plates, two institutes
It states gear rope bar and is respectively arranged at the pulley spindle two sides, the mud guard is arranged in the pulley spindle bottom.
Optionally, the power unit further includes the first expansion set and protection axis, and one end of first expansion set is connected to institute
Main shaft is stated, the other end is connected to the protection axis.
Optionally, the mud cycling element includes gooseneck pipe holder, washing pipe, gooseneck, bottom plate, encoder and oil sealing
Box, the gooseneck pipe holder are arranged on the bottom plate, and the washing pipe is arranged in the gooseneck pipe holder, the gooseneck one
End is connected to the gooseneck pipe holder, and is connected to the washing pipe, and the washing pipe is connected to the main shaft, the oil sealing box set
It is located on the washing pipe and the main shaft, grooved hole is opened up in the middle part of the bottom plate, the encoder is arranged in the slot, institute
It states encoder to be set on the outside of the main shaft, for detecting revolving speed and the position of the main shaft, the encoder is communicatively coupled to
Described control unit.
It optionally, further include tilting unit, the tilting unit includes single-arm hoisting ring and oil cylinder, and the one of the single-arm hoisting ring
End is articulated with the lower box, and one end of the oil cylinder is hinged on the positioning tie bar by hangers, and the other end is articulated with institute
Single-arm hoisting ring is stated, the oil cylinder is flexible to be able to drive the single-arm hoisting ring inclination, and it is single that the oil cylinder is communicatively coupled to the control
Member.
It optionally, further include drill rod fastener dismount device, the drill rod fastener dismount device includes the double oil cylinder back-up tong of wafer type and anti-twisted
Square frame, one end of the reaction torque frame are connected to the lower box, and the other end is connected to the double oil cylinder back-up tongs of the wafer type, described
The double oil cylinder back-up tongs of wafer type are communicatively coupled to described control unit.
Optionally, the fairlead includes pulley yoke, multiple leading blocks, and multiple leading blocks are divided into lateral movable pulley
The setting direction of group and vertical running block, the transverse direction running block is parallel to the power unit, the vertical movable pulley
For the setting direction of group perpendicular to the power unit, the power unit is connected to the pulley yoke, and the pulley yoke sliding connects
The guide rail being connected on boring tower derrick.
It optionally, further include the torque beam being arranged between the guide rail and the boring tower derrick, the torque beam includes
The first sliding part for being slidably connected on the crossbeam of the boring tower derrick, second be slidably connected on the guide rail
Sliding part and the regulation pipe being arranged between first sliding part and second sliding part, the both ends difference of the regulation pipe
It is rotatablely connected with first sliding part and second sliding part.
It optionally, further include fender bracket, the fender bracket includes L-shaped fender bracket ontology, guide rail bracket, reinforcing rib and hangs
Tubulature, the guide rail bracket are arranged in the L-shaped longitudinal direction, and the fairlead is connected to the guide rail bracket, described to add
One end of strengthening tendons is connected to the L-shaped longitudinal direction, and the other end is connected to the L-shaped short side direction, and the lifting pipe is set
It sets on the side wall of the L-shaped longitudinal direction, for lifting direct-drive type drilling rig at the top of the rock core.
The utility model has the advantages that
1) by the setting of power unit, main shaft rotary drilling is directly driven using an alternating-current variable frequency motor, there is dimension
Shield is simple, construction efficiency is high, feed stroke is long, low energy consumption, the advantages of running smoothly.
2) hook block length is shortened by the setting of running block, can make full use of derrick height, it is easy to operate,
By the setting of balancing cylinder, using double oil cylinder two sides symmetrical balance modes, symmetry is good, uniform force, passes through setting for pulley
It sets and promotes max. hook load design, meet the accidents strength such as processing bad ground bit freezing and act the requirement pulled out.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of direct-drive type drilling rig at the top of the rock core of one embodiment of the invention；
Fig. 2 is the structural schematic diagram of the running block of one embodiment of the invention；
Fig. 3 is the structural schematic diagram of the fender bracket of one embodiment of the invention；
Fig. 4 is the structural schematic diagram of the fairlead of one embodiment of the invention；
Fig. 5 is the structural schematic diagram of the mud cycling element of one embodiment of the invention；
Fig. 6 is the structural schematic diagram of the power unit of one embodiment of the invention；
Fig. 7 is the enlarged drawing at the first bearing of one embodiment of the invention；
Fig. 8 is the enlarged drawing at the 5th bearing of one embodiment of the invention；
Fig. 9 is the structural schematic diagram of the tilting unit of one embodiment of the invention；
Figure 10 is the structural schematic diagram of the drill rod fastener dismount device of one embodiment of the invention；
Figure 11 is the structural schematic diagram of the torque beam of one embodiment of the invention；
Figure 12 is the scheme of installation of the torque beam of one embodiment of the invention.
Wherein:
1- running block；2- control unit；3- fender bracket；4- fairlead；5- mud cycling element；6- power unit；
7- tilting unit；8- drill rod fastener dismount device.
101- pulley spindle；102- pulley；103- balancing cylinder；104- sunpender；105- spacer sleeve；106- mud guard；107-
Gear rope bar；108- rope blocking plate；
301- fender bracket ontology；302- guide rail bracket；303- reinforcing rib；304- lifting pipe；
401- pulley yoke；402- leading block；
501- gooseneck pipe holder；502- washing pipe；503- gooseneck；504- bottom plate；505- encoder；506- oil sealing box；
601- upper box；602- lower box；603- motor case body；604- righting cabinet；605- main shaft；606- pipe support；
607- positioning tie bar；The first expansion set of 608-；609- protects axis；610- first bearing；611- second bearing；612- 3rd bearing；
613- fourth bearing；614- 5th bearing；615-O type sealing ring；616- oil groove；617- gland；
701- single-arm hoisting ring；702- oil cylinder；
The double oil cylinder back-up tongs of 801- wafer type；802- reaction torque frame；
901- foreboard；902- back plate；903- support plate；904- briquetting；905- central tube；The first connecting tube of 906-；907-
Second connecting tube；The first fixing seat of 908-, the second fixing seat of 909-, 910- boring tower derrick panel, 911- guide rail.
Specific embodiment
Technical solution of the present invention is described in detail below, it, will " direct-drive type drilling rig at the top of rock core " abbreviation for convenience of describing
For " drive of rock core top ".
The present invention provides direct-drive type drilling rigs at the top of a kind of rock core, comprising: running block, fairlead, power list
Member, mud cycling element and control unit, the fairlead are arranged in the power unit side, the mud cycling element
One end be connected to the top of the power unit, the running block is connected to the power unit, follows positioned at the mud
At the top of ring element, described control unit is communicatively coupled to the running block and the power unit；
Wherein, the power unit includes upper box, motor case body, righting cabinet, lower box, main shaft and positioning tie bar,
The lower box is connected to the upper box and forms confined space, and the motor case body is arranged in the upper box and the nowel
Between body, the righting cabinet is arranged between the motor case body and the lower box, the main shaft and the positioning tie bar
Across the upper box, the motor case body, the righting cabinet and the lower box, the driving end cap of the motor case body is set
On the main shaft；
Wherein, the running block includes pulley spindle, pulley, balancing cylinder, sunpender and is socketed on the pulley spindle
Bearing, the pulley are sequentially sleeved on the pulley spindle to be multiple, and the balancing cylinder is symmetricly set on the pulley spindle
Both ends, one end of the balancing cylinder are connected to pulley spindle, and the other end is connected to sunpender, and the sunpender is articulated with the upper box
Top.
Specifically, in use, lifting the running block by crown sheave group and cable, the running block passes through flat
Weigh oil cylinder and the sunpender lifting power unit, and the power unit side is connected to the fairlead, the fairlead
It is slidably arranged on the guide rail of boring tower derrick, the power unit is then enable to move back and forth in the vertical direction, pass through institute
It states power unit and directly drives main shaft rotation and carry out that drilling well maintenance is simple, construction efficiency is high, feed stroke is long, low energy consumption, operation
Steadily, the mud cycling element is that main shaft supplies drilling fluid.
Specifically, it is symmetrical arranged at the top of the upper box there are two fixed pin shaft, the sunpender is connected to the fixed pin
Axis.
Specifically, the quantity of the balancing cylinder is 2, and is symmetricly set on the both ends of the pulley spindle.
Specifically, the positioning tie bar is symmetrical arranged, for fixing the upper box, the motor case body, the righting
Cabinet and the lower box.
Specifically, the intracorporal driving end of the motor housing is driving motor, is set between the driving motor and the main shaft
It is equipped with the second expansion set, the driving motor connects main shaft by second expansion set.
It further, further include the first bearing being set on the main shaft, second bearing, 3rd bearing, fourth bearing
And 5th bearing, the first bearing and the second bearing are located in the upper box, the first bearing is located at described the
Two tops, the 3rd bearing are located in the righting cabinet, and the fourth bearing and the 5th bearing are arranged in institute
It states in lower box, the fourth bearing is located at the top of the 5th bearing；Wherein, the second bearing and the 5th bearing bottom
Portion is provided with O-ring seal and oil groove, and button is equipped with gland in the O-ring seal of the 5th bearing bottom and oil groove.
Specifically, by the way that O-ring seal and oil groove, storage is arranged in the bottom of the second bearing and the 5th bearing
It prevents oil liquid from entering cabinet while oil liquid, keeps main axis more steady by the setting of multiple bearings, while described
Dismountable setting gland below five bearings, has opened sealing function to the oil groove of the 5th bearing and lower section, and dismantle
It can be realized after the gland and drain the oil and replace, repair the 5th bearing, it is easy to operate.
Specifically, by the way that the upper box, motor case body, lower box, the righting cabinet that are detachably connected is arranged, convenient for inside
Components repair, also facilitate replacement to each bearing.
Further, the running block includes mud guard, gear rope bar and rope blocking plate, and the rope blocking plate is that V-shaped is hinged
The both ends of the pulley spindle are set, the gear rope bar is two, and the both ends of the gear rope bar are connected to two rope blocking plates, two
The gear rope bar is respectively arranged at the pulley spindle two sides, and the mud guard is arranged in the pulley spindle bottom.
Specifically, by the setting of gear rope bar and rope blocking plate, wirerope is prevented to be detached from the pulley groove of the running block, led to
The setting for crossing the mud guard prevents mud to be splashed to core top and drives.
Further, the power unit further includes the first expansion set and protection axis, and one end of first expansion set is connected to
The main shaft, the other end are connected to the protection axis.
Specifically, first expansion set can prevent the thread looseness between the protection axis and the main shaft, while also can
The abrasion of screw thread when reducing the protection axis installation and removal drilling rod.
Further, the mud cycling element includes gooseneck pipe holder, washing pipe, gooseneck, bottom plate, encoder and oil sealing
Box, the gooseneck pipe holder are arranged on the bottom plate, and the washing pipe is arranged in the gooseneck pipe holder, the gooseneck one
End is connected to the gooseneck pipe holder, and is connected to the washing pipe, and the washing pipe is connected to the main shaft, the oil sealing box set
It is located on the washing pipe and the main shaft, grooved hole is opened up in the middle part of the bottom plate, the encoder is arranged in the slot, institute
It states encoder to be set on the outside of the main shaft, for detecting revolving speed and the position of the main shaft, the encoder is communicatively coupled to
Described control unit.
Specifically, one end of gooseneck is connected to drilling well liquid supplying device, and drilling fluid passes sequentially through gooseneck, washing pipe enters
Main shaft, encoder are set on main shaft, and for detecting main spindle's and revolving speed, seal box is used to seal the connection of washing pipe and main shaft
Place, prevents mud from entering power unit.
It further, further include tilting unit, the tilting unit includes single-arm hoisting ring and oil cylinder, the single-arm hoisting ring
One end is articulated with the lower box, and one end of the oil cylinder is hinged on the positioning tie bar by hangers, and the other end is articulated with
The single-arm hoisting ring, the oil cylinder is flexible to be able to drive the single-arm hoisting ring inclination, and the oil cylinder is communicatively coupled to the control
Unit.
Specifically, the quantity of the positioning tie bar is 4, and 4 positioning tie bars are separately positioned on the power unit
Top four corners, 4 positioning tie bars are used for the upper box, the motor case body, the righting cabinet and nowel
Body connection.
Specifically, including 2 hangers, 2 hangers are separately positioned on 2 positioning tie bars positioned at front side
Bottom.
Specifically, the tilting unit includes 2 sets of single-arm hoisting rings and oil cylinder, is separately positioned on the bottom two of the lower box
End.
Specifically, the oil cylinder is fixed on the hangers by pin shaft.
Specifically, the oil cylinder is hinged on the clip of the single-arm hoisting ring.
It further, further include drill rod fastener dismount device, the drill rod fastener dismount device includes the double oil cylinder back-up tong of wafer type and anti-
Torque frame, one end of the reaction torque frame are connected to the lower box, and the other end is connected to the double oil cylinder back-up tongs of the wafer type, institute
It states the double oil cylinder back-up tongs of wafer type and is communicatively coupled to described control unit.
Further, the fairlead includes pulley yoke, multiple leading blocks, and multiple leading blocks are divided into laterally dynamic slide
Wheel group and vertical running block, the setting direction of the transverse direction running block are parallel to the power unit, the vertical dynamic cunning
For the setting direction of wheel group perpendicular to the power unit, the power unit is connected to the pulley yoke, the pulley yoke sliding
The guide rail being connected on boring tower derrick.
Preferably, the pulley is 4-6 group, is set on the pulley spindle, is provided with spacer sleeve between adjacent pulley.
It further, further include the torque beam being arranged between the guide rail and the boring tower derrick, the torque beam packet
Include the first sliding part being slidably connected on the boring tower derrick panel, be slidably connected on the guide rail second
Sliding part and the regulation pipe being arranged between first sliding part and second sliding part, the both ends difference of the regulation pipe
It is rotatablely connected with first sliding part and second sliding part.
Specifically, first sliding part includes the front and rear panels positioned at boring tower derrick panel front and rear sides, before described
Plate is connected with the back plate by 4 fastening bolts.
Specifically, second sliding part includes the support plate with U-shaped structure, and the support plate be located in the guide rail
Towards on the side wall of the regulation pipe, the support board ends slidably connect briquetting, the support plate and the briquetting respectively
Between be provided with the bevel structure matched, be provided with strip through-hole on the briquetting, using bolt pass through the strip through-hole
After protrude into second sliding part, by screwing the bolt, 2 briquettings are slid in opposition, by the guide rail it is clamping
It is interior, realize the fixation of second sliding part and the guide rail.
Specifically, the regulation pipe include central tube, the first connecting tube being respectively sleeved in the central tube both ends and
Second connecting tube, first connecting tube and second connecting tube pass through screw thread respectively and are connected with the central tube, and spiral shell
Line it is contrary.
Specifically, the first fixing seat is arranged close to the side of the guide rail in the foreboard, and the support plate is towards the tune
The side of section pipe is provided with the second fixing seat, and the first connecting tube of the regulation pipe is connected to first fixing seat by pin shaft
On, and the regulation pipe can pass through pin shaft relative to the first fixing seat left-right rotation, the second connecting tube of the regulation pipe
It is connected in second fixing seat, and the regulation pipe can be rotated upwardly and downwardly relative to second fixing seat.
Further, further include fender bracket, the fender bracket include L-shaped fender bracket ontology, guide rail bracket, reinforcing rib and
Lifting pipe, the guide rail bracket are arranged in the L-shaped longitudinal direction, and the fairlead is connected to the guide rail bracket, described
One end of reinforcing rib is connected to the L-shaped longitudinal direction, and the other end is connected to the L-shaped short side direction, the lifting pipe
It is arranged on the side wall of the L-shaped longitudinal direction, for lifting direct-drive type drilling rig at the top of the rock core.
Specifically, it by the setting of fender bracket, is readily transported, puts on display direct-drive type drilling rig at the top of rock core.
Embodiment 1
Fig. 1 is the structural schematic diagram of direct-drive type drilling rig at the top of the rock core of one embodiment of the invention；Fig. 2 is the present invention
The structural schematic diagram of the running block of one embodiment；Fig. 3 is the structural schematic diagram of the fender bracket of one embodiment of the invention；Figure
4 be the structural schematic diagram of the fairlead of one embodiment of the invention；Fig. 5 is the mud cycling element of one embodiment of the invention
Structural schematic diagram；Fig. 6 is the structural schematic diagram of the power unit of one embodiment of the invention；Fig. 7 is one implementation of the present invention
Enlarged drawing at the first bearing of example；Fig. 8 is the enlarged drawing at the 5th bearing of one embodiment of the invention；Fig. 9 is the present invention
The structural schematic diagram of the tilting unit of one embodiment；Figure 10 is that the structure of the drill rod fastener dismount device of one embodiment of the invention is shown
It is intended to；Figure 11 is the structural schematic diagram of the torque beam of one embodiment of the invention；Figure 12 is the torque of one embodiment of the invention
The scheme of installation of beam.
As shown in Fig. 1-Figure 12, direct-drive type drilling rig includes running block 1, control unit 2, fender bracket at the top of the rock core
3, fairlead 4, mud cycling element 5, power unit 6, tilting unit 7 and drill rod fastener dismount device 7.
Running block 1 includes pulley spindle 101, pulley 102, balancing cylinder 103, sunpender 104, spacer sleeve 105, mud guard
106, gear rope bar 107 and rope blocking plate 108.1 structure of running block replaces traditional hook block and top to drive drop handle, shortens trip
The space length of vehicle hook, makes full use of derrick height, reduces cost, easy for installation before drilling well；This running block two sides are symmetrical
There is Balance oil cylinder device, using double oil cylinder two sides symmetrical balance modes, protects shackle on drilling rod, balancing cylinder main function is
This body weight is balanced, keeps system more safe and reliable in the process of running；Max. hook load design is promoted, processing bad ground is met
The accidents such as bit freezing strength acts the requirement pulled out.
Power unit mainly has upper box 601, motor case body 603, lower box 602, the first expansion set 608, the second expansion set, master
The major parts compositions such as axis 605, righting cabinet 604, protection axis 609, positioning tie bar 607, hangers.
Wherein upper box 601, motor case body 603, lower box 602,604 four module of righting cabinet are by positioning tie bar 607
It is linked together by nut, main shaft 605 is connect with motor case body 603 by the second expansion set, realizes motor direct-drive main shaft
605 rotations, for the type of cooling of motor case body 603 by circulating water, pipe support 606 is mounted on motor case body 603 by bolt
On, cable, hydraulic oil pipe entry/exit, electrical control lines, water pipe etc. are installed, driving motor is mounted on motor housing by bolt on pipe support 606
In body 603, volume is effectively reduced, reduces weight.
Installation steps:
Lower box 601 is vertically arranged with main shaft 605 first and is assembled；Assembled righting cabinet 604 is from top to bottom installed；Again
Motor case body 603 is installed, while the second expansion set being installed, is inserted into positioning tie bar 607；Finally assemble upper box 601.
Demounting procedure:
Positioning tie bar 601 is removed, i.e. disassembly finishes.
If desired the bearing in lower box 602 is replaced, it is only necessary to lower box 602 be removed, bearing is replaced.
Bearing and seal box use butter lubricating system, and butter inlet is mounted on upper box 601 by lubrication management；Sealing
Set is sealed with bearing gland using double O-rings；There are grooves for bearing gland, guarantee trapped fuel dirt and iron filings, protect bearing.On bearing
Seal box contact is held, lower end is main shaft.
Gland box is provided with oil sealing and oil ring, prevents outside oil leak and soil from entering；Using double O-shaped on righting cabinet 604
Circle sealing, bearing and bearing use oil lubrication, have oil sealing and trapped fuel groove on bearing cap, prevent oil leakage and protection bearing.
Fender bracket 3 includes fender bracket ontology 301, guide rail bracket 302, reinforcing rib 303 and lifting pipe 304.This structure uses type
Steel spelling be welded, core top drive be fixed on fender bracket by two pin shafts, can be vertically arranged with it is horizontal.
Fairlead 4 includes pulley yoke 401, leading block 402.Fairlead 4 mainly by leading block 402, round nut,
The major parts such as pulley yoke 401 composition, core top is driven makes glide direction always along guide rail side by fairlead 4 at work
To.The fairlead 4 that core top is driven penetrates in guide rail, drives and slides up and down with core top, transfers torque on guide rail, and guiding is slided
The connecting plate of vehicle 4 is connected by high-strength bolts with motor case body 603；Leading block 402 is mounted on pulley yoke by round nut
401 two sides.Hydraulic, automatically controlled, water route auxiliary mounting structure, valve seat, branch block, accumulator seat, collection are increased in pulley yoke 401
Wire box etc..
Mud cycling element 5 includes gooseneck pipe holder 501, washing pipe 502, gooseneck 503, bottom plate 504, encoder 505, oil
Jacket 506.Gooseneck 503 is mounted on wash pipe support.503 front end of gooseneck is connected with rotary hose, is the entrance of drilling fluid, goose
503 rear end of neck tube is connected with washing pipe 502, is the transfer passage of mud circulation, and the work such as can be salvaged and be logged well after opening.
Mud cycling element 5 provides channel for drilling fluid, and ensure that good leakproofness.Wherein seat board passes through with upper box 601
It is bolted, and is sealed using O-ring, prevent mud leakage into inside upper box；Gooseneck pipe holder 501 and seat board use bolt
Connection；The outer ring of encoder 505 is mounted on seat board, is compressed using pressing plate and spacer sleeve, and the inner ring of encoder 505 uses common
Key is mounted on main shaft 605, and encoder 505 can effectively obtain revolving speed and the position of main shaft 605；Oil sealing box 506 avoids mud
Slurry leaks into inside upper box 601；The lower end of washing pipe 502 is connect with the threaded upper ends of main shaft 605；The upper end of washing pipe 502 and goose
Neck tube 503 is threadedly coupled；Two oil sealings are installed back-to-back in oil sealing box, and there is oil ring in centre, and lubricates with butter.
Power unit 6 includes upper box 601, lower box 602, motor case body 603, righting cabinet 604, main shaft 605, pipe support
606, positioning tie bar 607, the first expansion set 608, the second expansion set, protection axis 609；First bearing 610, second bearing 611, third axis
Hold 612, fourth bearing 613,5th bearing 614, O-ring seal 615, oil groove 616 and gland 617.Power unit 6 and mud follow
5 major function of ring element is to make main motor driving spindle rotary drilling, provides power source, while circulating mud for upper/shackle, is protected
Normal drilling well work is demonstrate,proved to carry out.
Tilting unit 7 includes single-arm hoisting ring 701 and oil cylinder 702.Hanging ring 701 hangs on the bottom of lower box 602, oil cylinder
702 one end is hinged on the bottom of the positioning tie bar positioned at 6 front side of power unit by hangers, and the other end is hinged on the single armed
On the clip of hanging ring 701.Oil cylinder 702 can push single-arm hoisting ring 701 complete it is forward and backward incline, maximum hypsokinesis (cylinder piston rod withdrawal)
Elevator can be driven to avoid well head, maximum, which leans forward, can drive elevator to rat hole, quadruple board platform and ramp to grab single and other tubing strings.Before
Incline 30 ° of maximum angle, 55 ° of hypsokinesis maximum angle.Single-arm hoisting ring meets API 8C standard, and safety coefficient is greater than 3.
Drill rod fastener dismount device 8 includes the double oil cylinder back-up tongs 801 of wafer type and reaction torque frame 802.The use pair of drill rod fastener dismount device 8
The double oil cylinder back-up tongs of clip, strong applicability, convenient and simple for operation, upper shackle process is time saving and energy saving.By using the double oil cylinders of wafer type
Back-up tong 801, realizes unloading drilling rod, and 802 upper end of reaction torque frame is connect with lower box 602 by pin shaft, played in unloading drilling rod
The effect of torque is provided.
Torque beam is arranged between the guide rail 911 and the boring tower derrick 910, and the torque beam includes slidably connecting
The second sliding part and the setting for connecing the first sliding part on the boring tower derrick panel, being slidably connected on the guide rail
Regulation pipe between first sliding part and second sliding part, the rotatable connection respectively of the both ends of the regulation pipe
In first sliding part and second sliding part.
First sliding part includes the foreboard 901 and back plate 902 positioned at boring tower derrick panel front and rear sides, the foreboard
It is connected with the back plate by 4 fastening bolts.
Second sliding part includes that 904,2 briquettings 904 of support plate 903 and 2 briquetting pass through strip through-hole and bolt
Be slidably connected at the both ends of support plate 903 respectively, be provided between the support plate 903 and the briquetting 904 match it is oblique
Face structure, by screwing the bolt, 2 briquettings 904 are slid in opposition, by the guide rail 911 it is clamping including, described in realization
The fixation of second sliding part and the guide rail 911.
The regulation pipe includes central tube 905, the first connecting tube 906 and the second connecting tube 907, first connecting tube
906 and second connecting tube 907 be connected with the central tube 905 by screw thread respectively, and screw thread is contrary.
First sliding part includes the first fixing seat 908, and the second sliding part includes the second fixing seat 909, the first connecting tube 906
It is connected in first fixing seat 908, and can connected relative to 908 left-right rotation of the first fixing seat, second by pin shaft
Adapter tube 907 is connected in second fixing seat 909 by pin shaft, and can be rotated upwardly and downwardly relative to second fixing seat 909.
Installation and usage mode are as follows:
One, the installation that rock core top is driven:
The guide rail 911 of different length is optionally combined, and can meet various derrick heights；A type and K-type boring tower can be selected.
1, A type tower is installed:
Guide rail 911, boring tower derrick panel 910, reaction torque frame are mounted on A type boring tower first, rock core top drives and is placed on branch
On frame, the running block 1 and A type boring tower overhead traveling crane running block for keeping rock core top to drive are on same axis, put on wirerope, oil
Cylinder plays tower, and rock core top is driven and installed.
2, K-type boring tower is installed:
Guide rail 911, boring tower derrick panel 910, reaction torque frame are mounted on K-type boring tower first, installation side is driven on rock core top
Formula is as K-type tower installation hook block mode.
Two, construction is driven on rock core top:
(1) round trip
It is driven using rock core top and carries out round trip with the cooperation of well head Power Tong, can reduced labor intensity significantly, improve effect
Rate and operational security.
1, tripping operation:
(1) it above mentions core top to drive higher than behind quadruple board platform position, adjustment hanging ring forward leaning angle grabs thribble, buckles well elevator door
Door bolt；
(2) drive of core top is above proposed, thribble is allowed to automatically return on hole axis under automatism；
(3) slowly decentralization rock core top is driven, and the drilling rod exposed in mentioned thribble and drilling floor surface is completed make-up, with well head power
Pincers tighten the thread between thribble and drilling rod；
(4) drive of rock core top is above proposed, slips is transferred after going slips, rock core top to drive rotation decentralization to well head appropriate location, will bore
Column is confirmed on slips, and elevator bolt is opened, and hanging ring hypsokinesis above proposes the drive of core top.
(5) it repeats above-mentioned movement and completes core top drive tripping operation.
2, trip-out operation
(1) decentralization rock core top is driven to drilling floor surface, and the leakage tool joint of slips top is stuck in elevator, slips is removed；
(2) above mentioning core top and driving is more than quadruple board platform, is convenient for well head Power Tong dismounting drilling rod joint location；
(3) thread that thribble and drill string are unscrewed using well head Power Tong is above proposed the drive of core top, makes thribble and drill string point
It opens；
(4) slowly decentralization core top is driven, and thribble lower end is pulled to the appropriate location of pipe slacking block, and hanging ring leans forward, and opens elevator,
Thribble is placed in pipe slacking block；
(5) it repeats above-mentioned movement and carries out trip-out operation.
(2) rock core top drives achievable make up a joint and creeps into or connect thribble two kinds of working methods of drilling.
1, the drillng operation step that makes up a joint is driven on rock core top:
(1) after previous drilling rod drilling well, slips is put, stops slush pump；Back-up tong shackle is driven using rock core top, is above mentioned
Core top, which is driven to, can grab the stopping of rat hole drilling rod position；
(2) hanging ring leans forward the drilling rod grabbed in rat hole, clasps slips bolt；
(3) drive of core top is slowly above proposed, hanging ring leaning device is automatically aligned to well head under the gravity of drilling rod at this time；
(4) slowly decentralization rock core top is driven, single lower end and shaft bottom drill string make-up, using power clipper joint is single and drill string,
Rock core top, which is driven, to rotate and slowly transfers, and the protection connector that single upper end rock core top is driven is driven by core top and detained on back-up tong；
(5) drive of core top is slowly above proposed, drill string is lifted, takes out slips, opens slush pump, rock core top drives rotation, continues to creep into.
2, rock core top drives and connects thribble drillng operation step:
(1) after previous thribble drilling well, slush pump stops, and rock core top drives back-up tong and carries out shackle operation；
(2) it above mentions core top to be driven near quadruple board platform, pick up height, which is subject to, is suitble to next thribble position of crawl；
(3) adjustment hanging ring forward leaning angle grabs thribble, buckles well elevator bolt；
(4) drive of core top is above proposed, thribble is allowed to automatically return on hole axis under automatism；Slowly decentralization core top
It drives, thribble lower end and drill string joints continue decentralization rock core top and drive, upper end uses back using well head power tongs make-up thread
Pincers tighten the thread of the protection connector driven in thribble upper end and rock core top；
(5) drive of rock core top is slowly above proposed, drill string is lifted, takes out slips, opens slush pump, rock core top drives rotation, continues to creep into.
Present invention has an advantage that
Advantage one: the advantage that rock core top is driven
1, by the setting of power unit, main shaft rotary drilling is directly driven using an alternating-current variable frequency motor, there is dimension
Shield is simple, construction efficiency is high, feed stroke is long, low energy consumption, the advantages of running smoothly.
2, hook block length is shortened by the setting of running block, can make full use of derrick height, it is easy to operate,
By the setting of balancing cylinder, using double oil cylinder two sides symmetrical balance modes, symmetry is good, uniform force, passes through setting for pulley
It sets and promotes max. hook load design, meet the accidents strength such as processing bad ground bit freezing and act the requirement pulled out.
Advantage two: the advantage of power unit
1, advantage is installed:
(1) ease of Use；
(2) assembler is required low.
2, advantage is dismantled:
(1) structurally reasonable, it is easy to maintenance；
(2) ease of Use.
Advantage three: the advantage of running block 1
1, hook block length is shortened, derrick height is made full use of, it is easy to operate；
2, there is Balance oil cylinder device on, using double oil cylinder two sides symmetrical balance modes, symmetry is good, uniform force；
3, shackle on drilling rod is protected, balancing cylinder main function is to balance this body weight, makes system in the process of running
It is more safe and reliable；
4, max. hook load design is promoted, meets the accidents strength such as processing bad ground bit freezing and acts the requirement pulled out.
Advantage four: the advantage of fender bracket 3
1, it is used when transport and exhibition are driven in core top, when transport is horizontal, and when exhibition is vertically arranged；
2, core top can also be done simultaneously drives rotation parameter debugging.
Advantage five: the advantage of power unit 6
1, it is directly driven by a motor main shaft drilling, it is possible to provide higher operation torque, low noise do not have gear distress, transmitting
Middle energy loss reduces, maintenance it is easy to maintenance；
2, motor uses permanent magnet synchronous torque servo motor, and effective power is up to 98% or more；
3, core top is driven overall structure center of gravity and is consistent, and drives core top and rubs between sliding rail without due to laying particular stress on to generate
It wipes, increases pulley service life；
4, including the upper box 601, lower box 602, motor case body 603, the righting cabinet 604 that are detachably connected, convenient for tearing open
Unload maintenance, repair.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (10)
1. direct-drive type drilling rig at the top of a kind of rock core, which is characterized in that direct-drive type drilling rig includes: dynamic at the top of the rock core
Pulley blocks, fairlead, power unit, mud cycling element and control unit, the fairlead are arranged in the power list
First side, one end of the mud cycling element are connected to the top of the power unit, and the running block is connected to described
Power unit is located at the top of the mud cycling element, and described control unit is communicatively coupled to the running block and described dynamic
Power unit；
Wherein, the power unit includes upper box, motor case body, righting cabinet, lower box, main shaft and positioning tie bar, described
Lower box is connected to the upper box and forms confined space, the motor case body setting the upper box and the lower box it
Between, the righting cabinet is arranged between the motor case body and the lower box, and the main shaft and the positioning tie bar pass through
The upper box, the motor case body, the righting cabinet and the lower box, the driving end cap of the motor case body are located at institute
It states on main shaft；
Wherein, the running block includes pulley spindle, pulley, balancing cylinder, sunpender and the bearing being socketed on the pulley spindle,
The pulley is sequentially sleeved on the pulley spindle to be multiple, and the balancing cylinder is symmetricly set on the both ends of the pulley spindle,
One end of the balancing cylinder is connected to pulley spindle, and the other end is connected to sunpender, and the sunpender is articulated with the top of the upper box
Portion.
2. direct-drive type drilling rig at the top of rock core according to claim 1, which is characterized in that further include being set in the master
First bearing, second bearing, 3rd bearing, fourth bearing and 5th bearing, the first bearing and second axis on axis
It holds and is located in the upper box, the first bearing is located at the top of the second bearing, and the 3rd bearing is located at the righting
In cabinet, the fourth bearing and the 5th bearing are arranged in the lower box, and the fourth bearing is located at the described 5th
Top；Wherein, the second bearing and the 5th bearing bottom are provided with O-ring seal and oil groove, are located at described the
Button is equipped with gland in the O-ring seal and oil groove of five bearing bottoms.
3. direct-drive type drilling rig at the top of rock core according to claim 1, which is characterized in that the running block includes gear
Mud plate, gear rope bar and rope blocking plate, the rope blocking plate are the both ends that the pulley spindle is hingedly arranged in V-shaped, and the gear rope bar is
Two, the both ends of the gear rope bar are connected to two rope blocking plates, and two gear rope bars are respectively arranged at the pulley spindle two sides,
The mud guard is arranged in the pulley spindle bottom.
4. direct-drive type drilling rig at the top of rock core according to claim 1, which is characterized in that the power unit further includes
First expansion set and protection axis, one end of first expansion set are connected to the main shaft, and the other end is connected to the protection axis.
5. direct-drive type drilling rig at the top of rock core according to claim 1, which is characterized in that the mud cycling element packet
Gooseneck pipe holder, washing pipe, gooseneck, bottom plate, encoder and oil sealing box are included, the gooseneck pipe holder is arranged on the bottom plate,
The washing pipe is arranged in the gooseneck pipe holder, and described gooseneck one end is connected to the gooseneck pipe holder, and is connected to
The washing pipe, the washing pipe are connected to the main shaft, and the oil sealing box is set on the washing pipe and the main shaft, the bottom plate
Middle part opens up grooved hole, and the encoder is arranged in the slot, and the encoder is set on the outside of the main shaft, for examining
Revolving speed and the position of the main shaft are surveyed, the encoder is communicatively coupled to described control unit.
6. direct-drive type drilling rig at the top of rock core according to claim 1, which is characterized in that it further include tilting unit, institute
Stating tilting unit includes single-arm hoisting ring and oil cylinder, and one end of the single-arm hoisting ring is articulated with the lower box, and the one of the oil cylinder
End is hinged on the positioning tie bar by hangers, and the other end is articulated with the single-arm hoisting ring, and the oil cylinder is flexible to be able to drive
The single-arm hoisting ring inclination, the oil cylinder are communicatively coupled to described control unit.
7. direct-drive type drilling rig at the top of rock core according to claim 1, which is characterized in that further include drill rod fastener dismount dress
It sets, the drill rod fastener dismount device includes that the double oil cylinder back-up tongs of wafer type and reaction torque frame, one end of the reaction torque frame are connected to institute
Lower box is stated, the other end is connected to the double oil cylinder back-up tongs of the wafer type, and the double oil cylinder back-up tongs of the wafer type are communicatively coupled to described
Control unit.
8. direct-drive type drilling rig at the top of rock core according to claim 1, which is characterized in that the fairlead includes sliding
Wheel carrier, multiple leading blocks, multiple leading blocks are divided into lateral running block and vertical running block, the transverse direction running block
Setting direction be parallel to the power unit, the setting direction of the vertical running block is perpendicular to the power unit, institute
It states power unit and is connected to the pulley yoke, the pulley yoke is slidably connected to the guide rail on boring tower derrick.
9. direct-drive type drilling rig at the top of rock core according to claim 8, which is characterized in that further include that setting is led described
Torque beam between rail and the boring tower derrick, the torque beam include slidably being connected on the crossbeam of the boring tower derrick
The first sliding part, the second sliding part for being slidably connected on the guide rail and setting in first sliding part and described
Regulation pipe between second sliding part, the both ends of the regulation pipe are rotatablely connected with first sliding part and described respectively
Second sliding part.
10. direct-drive type drilling rig at the top of rock core according to claim 1, which is characterized in that it further include fender bracket, it is described
Fender bracket includes that L-shaped fender bracket ontology, guide rail bracket, reinforcing rib and lifting pipe, the guide rail bracket are arranged in the L-shaped length
On edge direction, the fairlead is connected to the guide rail bracket, and one end of the reinforcing rib is connected to the L-shaped long side side
To the other end is connected to the L-shaped short side direction, and the lifting pipe is arranged on the side wall of the L-shaped longitudinal direction, uses
The direct-drive type drilling rig at the top of the lifting rock core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811391353.3A CN109296310A (en) | 2018-11-21 | 2018-11-21 | A kind of rock core top direct-drive type drilling rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811391353.3A CN109296310A (en) | 2018-11-21 | 2018-11-21 | A kind of rock core top direct-drive type drilling rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109296310A true CN109296310A (en) | 2019-02-01 |
Family
ID=65144448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811391353.3A Pending CN109296310A (en) | 2018-11-21 | 2018-11-21 | A kind of rock core top direct-drive type drilling rig |
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| Country | Link |
|---|---|
| CN (1) | CN109296310A (en) |
Cited By (1)
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| CN113914794A (en) * | 2021-12-15 | 2022-01-11 | 智慧猫(东营)智能科技有限公司 | Automatic screwing-on and unscrewing device for oil pumping rod for oil field |
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