CN206129172U - Rig becomes width of cloth supporting device - Google Patents
Rig becomes width of cloth supporting device Download PDFInfo
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- CN206129172U CN206129172U CN201620968886.3U CN201620968886U CN206129172U CN 206129172 U CN206129172 U CN 206129172U CN 201620968886 U CN201620968886 U CN 201620968886U CN 206129172 U CN206129172 U CN 206129172U
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Abstract
The utility model discloses a rig becomes width of cloth supporting device, including becoming width of cloth unit and rolling friction unit, the non - swing end that becomes width of cloth unit sets firmly on the rig, and the swing that becomes width of cloth unit is served and is set up the rolling friction unit, sets up the rig aircraft nose on the rolling friction unit, can adjust the rolling friction unit with the rig unit swing at 0~105 within range through becoming a width of cloth unit, and the rolling friction unit can drive the rig aircraft nose and follow its axial and carry out the roll formula and walk, the utility model discloses a rig becomes width of cloth supporting device can realize upwards, decurrent vertical hole to reach the drilling operation that becomes the arbitrary angle degree with these vertical hole.
Description
Technical field
The utility model belongs to drilling equipment field, specially a kind of rig luffing bearing device.
Background technology
In coal mining field, with the development of technology, the driller of various functions realizes application, its basic structure phase
Seemingly, basic function is identical, has realized the function of drilling of lateral aperture, inclined hole, upright opening substantially.Conventional rig design is being adopted
During conventional art, due to down-hole space it is narrow and small due to, result in the design bottleneck of rig function, be mainly summarized as：
1. the propulsive mechanism of drilling machine mast all adopts rack-and-pinion speed transmission mechanism, and the advantage of this structure is to solve
The problem of insufficient space, the stroke that can make rig doubles, and its shortcoming is to halve propulsive force, and gear, tooth bar are directly naked
Expose outside, infringement is very fast；
2. mast using slide construction walk, be exactly oil cylinder push U-lag slide in orbit realization walking.Its shortcoming exists
Big in resistance to sliding, because downhole powder dust is big, a large amount of dust enters U-lag, it is difficult to clear up, and increases walking resistance and adds ski-running
The damage of rail；
3. the angle-adjusting mechanism complex structure of mast, stability is poor.Typically toggle fixes stress
Support, rig serious vibration in operation of drilling；
4. rig is supported and supported by gigantic oil cylinder, it is impossible to carry out omnibearing angel support to mast；
5. welding structure is more, and overall construction intensity is poor；Downhole corrosion intensity is high, and bead crack easily produces crevice corrosion,
Important feature part is accelerated to damage；
6. narrow and small down-hole space requirement rig small volume, for the requirement of small size high thrust, rig is difficult to stretch
Contracting function.
The content of the invention
For defect of the prior art and deficiency, the purpose of this utility model there are provided rig luffing support dress
Put, the device can realize 0～26 ° of inclined hole drilling operation in the range of 800～3000mm；Luffing unit can adjust drill head
Rotate in 0～105 °, rolling friction unit replaces gear duplication acceleration mechanism using oil cylinder direct drive, can make pulling force and feeding
Power no longer halves, and is directly the centripetal force of driving oil cylinder, and on year-on-year basis the duplication acceleration mechanism of identical pulling force reduces can cylinder diameter
30%.
To reach above-mentioned purpose, the technical scheme that the utility model is taken is：
A kind of rig luffing bearing device, including luffing unit and rolling friction unit；The non-swinging end of luffing unit is consolidated
It is located on rig, rolling friction unit is set on the swinging end of luffing unit, rig head is set on rolling friction unit, passes through
Luffing unit can adjust rolling friction unit and rig head and swing in the range of 0～105 °, and rolling friction unit can drive
Rig head carries out roller walking along its axial direction；
Described luffing unit includes crossbeam, angular adjustment oil cylinder, amplitude of oscillation frame and rig installed part, described amplitude of oscillation frame
One end is movably arranged at the end of crossbeam, the other end of amplitude of oscillation frame and the movable connection of piston end of angular adjustment oil cylinder, angle
The non-piston end of degree regulation oil cylinder is movable to be hung under crossbeam, and rig installed part is fixedly installed on amplitude of oscillation frame；Described horizontal stroke
Beam is non-telescoping crossbeam.
Further, turning unit is also set up between the luffing end of described luffing unit and rolling friction unit, is returned
Turn the revolution that unit can drive rolling friction unit to carry out 360 °.
In addition, connection turning unit also sets up Auxiliary support oil cylinder with rolling friction unit.
Specifically, one end of described amplitude of oscillation frame by the second jointed shaft be arranged on crossbeam end, amplitude of oscillation frame it is another
End be connected with the piston end of angular adjustment oil cylinder by the first jointed shaft, the non-piston end of angular adjustment oil cylinder be arranged on it is flexible
The support base of the close amplitude of oscillation frame under beam is flexibly connected by swinging axle；
Floor projection between described the first jointed shaft and the second jointed shaft is apart from L3For 271mm, the second jointed shaft with
Floor projection between swinging axle is apart from L2For 562mm, the upright projection between the second jointed shaft and swinging axle is apart from h2For
256mm, the stroke g of described angular adjustment oil cylinder2For 0～472mm.
Specifically, described rolling friction unit includes mast frame, and movable setting rolls support in mast frame
Part, is embedded power part in mast frame, rolls rigging up head on holding element, and power part drives and rolls support
Part moves back and forth along mast frame roller.
Described power part includes driving oil cylinder and drives cylinder piston rod, rolls holding element and drive oil cylinder along axle
To being fixedly connected, the end for driving cylinder piston rod is fixed in mast frame.
Specifically, described rolling holding element includes the first rolling member and supporting plate, and supporting plate passes through the first rolling member
Roller is arranged in mast frame；
First rolling member includes two the first rollers being vertically set up in parallel, and two the first rollers are clamped in mast frame
Above and along mast frame roll；
The slide rail of tabular is set along its length in mast frame, and two the first rollers are clamped on slide rail rail level along mast
Bar framework is rolled, and the axial direction of the first roller is parallel with the rail level of slide rail；It is inclined first to be also set up on the first described rolling member
Heart axle, the first eccentric shaft and the first roller are coaxially disposed in parallel in shaft core.
Further, described rolling holding element also includes the second rolling member, and the second rolling member includes being fixed with supporting plate and connects
The second roller for connecing, the second roller is rolled along the edge of slide rail；
The axial direction of the second described roller is vertical with slide rail rail level, and the second eccentric shaft is also set up on the second rolling member, the
Two eccentric shafts and the second roller are coaxially disposed in parallel in shaft core.
Compared with prior art, the beneficial effects of the utility model are：
(1) rolling friction unit of the present utility model replaces gear duplication acceleration mechanism using oil cylinder direct drive, can make to pull out
Power and centripetal force no longer halve, and are directly the centripetal force of driving oil cylinder, and on year-on-year basis the duplication acceleration mechanism of identical pulling force can make oil cylinder direct
Footpath reduces 30%；Mast walking mechanism no longer adopts rail structure, but adopts roll mode, and propelling resistance reduces, and dismounting is more
Plus it is convenient, the coal dust opened wide on track is more prone to cleaning, and the liner plate of traditional slide construction is accomplished by changing for general one month
Once, the projected life for rolling holding element of the present utility model is more than half a year；Rolling member of the present utility model is using rolling
The rolling form of wheel, mast frame has used square structural steel as main body, and weld seam is significantly reduced, and structural strength is remarkably reinforced, mast
The completely naked leakage of the rail level of bar framework, when cinder falling to easily be removed above, prevents the infringement of cinder pair roller in outside；
(2) in order to roll holding element rolling carry out it is spacing, roll holding element also include the second rolling member, second
Rolling member is the roller rolled along slide rail edge, rolling supporting plate is carried out spacing；Meanwhile, in order to ensure the benefit to slide rail friction
Repay or the compensation to slide rail edge, on the first rolling member and the second rolling member eccentric shaft is all provided with, to reach compensation slide rail
Purpose；
(3) luffing unit of the present utility model is mainly big by the flexible composition of amplitude of oscillation frame, crossbeam and angular adjustment oil cylinder
Carry rotating mechanism；Significantly simplify the structure of angle adjustment, its result is greatly reduced drill height；Flexible crossbeam is capable of achieving
Stroke 550mm's is flexible, substitutes the movement of crawler belt, reduces the movement of down-hole large type drill, convenient operation；By angular adjustment oil
The flexible of cylinder realizes that amplitude of oscillation frame can rotate in 0～105 °, and realizes that the arbitrarily angled minimum support arm of force, can not less than 150mm
To support bigger turning torque；First jointed shaft, the second jointed shaft and swinging axle form the rock-steady structure of arbitrary triangle, carry
The rigidity and stability of high structure；
(4) underground coal mine dust is big, on the extensible canopy of luffing unit along its length using reinforcing plate arranged for interval into
Slide with the course of work of motor in track, the obstruction that dust accumulation can be avoided to cause slide rail, the gap that dust can be between track
Go out, with self-cleaning function；Extensible canopy of the present utility model does main body, the direct cloth of telescopic oil cylinder using the square steel of 180*180*8
Put inside square steel, entry/exit hydraulic fluid port is arranged using piston rod end, the oil cylinder of maximum outside diameter can be arranged；Angular adjustment oil cylinder
Coercive mechanism designs the rational position calculated in oil cylinder front end, oil cylinder when rotating around fulcrum, in long arc angle afterbody with it is horizontal
Beam is not interfered, and piston rod is not interfered with extensible canopy, reaches optimal using effect.
Description of the drawings
Fig. 1 is the structural representation that rig luffing bearing device of the present utility model is arranged on comprehensive deep hole rig；
Fig. 2 is the structural perspective of rolling friction unit in Fig. 1；
Fig. 3 is the front view of Fig. 2；
Fig. 4 is the sectional view of A-A in Fig. 3；
Fig. 5 is the sectional view of B-B in Fig. 3；
Fig. 6 is the structural perspective of luffing unit in Fig. 1；
Fig. 7 is the front view of Fig. 6；
Fig. 8 is the sectional view of Fig. 7；
Fig. 9 is the sectional view of the maximum variable phase angle of Fig. 7；
Each label is expressed as in figure：1- rolling friction units, 1-1 mast frames, 1-11 slide rails, 1-2 roll holding element,
The rolling members of 1-21 second, 1-211-- bolts, the eccentric shafts of 1-212 second, the rollers of 1-213 second, the rolling members of 1-22 first, 1-221
Mandrel pressing plate, the eccentric shafts of 1-222 first, the rollers of 1-223 first, 1-23 supporting plates, 1-3 support cylinders, 1-4 power parts, 1-
41 drive cylinder piston rod, 1-42 to drive oil cylinder；2- luffing units, 2-1 amplitude of oscillation framves, the jointed shafts of 2-11 first, 2-12 second cut with scissors
Spindle, 2-2 angular adjustment oil cylinders, 2-21 angular adjustments oil cylinder the first oil circuit connector, 2-22 angular adjustments the second oil circuit of oil cylinder
Connector, 2-3 crossbeams, 2-31 support bases, 2-32 swinging axles, 2-33 crossbeam connectors, 2-4 rig installed parts；3- turning units,
4- drill power heads, 5- drilling rods, 6- drill bits；
The utility model is illustrated below in conjunction with specification drawings and specific embodiments.
Specific embodiment
Rig luffing bearing device of the present utility model includes luffing unit and rolling friction unit；The non-pendulum of luffing unit
Moved end is installed on rig, and rolling friction unit is arranged on the swinging end of luffing unit, and rig machine is arranged on rolling friction unit
Head, can adjust rolling friction unit and rig head and swing in the range of 0～105 ° by luffing unit, rolling friction unit
Rig head can be driven to carry out roller walking along its axial direction.
Rolling friction unit of the present utility model, mast frame is arranged on rig pallet, and as walking during feed
Track, movable setting rolls holding element in mast frame, driving oil cylinder is embedded in mast frame and drives oil cylinder to live
Stopper rod, rolls holding element and is vertically fixedly connected with oil cylinder is driven, and the end for driving cylinder piston rod is fixed on mast frame
On；Rigging up motor on holding element is rolled, is driven oil cylinder to drive and is rolled holding element along mast frame roller to move back
It is dynamic.Four support cylinders are arranged on the rear and front end of mast frame, with top board and ground after the cylinder piston rod elongation of support cylinder
Face directly holds out against contact, with the whole bracket of fixation.Drive cylinder piston rod termination to be fixedly connected with mast frame, roll supporting part
A hydraulic motor with reductor can be placed on part, hydraulic motor rotates the big rotation torque and oil cylinder offer provided to drilling rod
Driving force realize drilling operation.
Luffing unit of the present utility model is mainly carried greatly by the flexible composition of amplitude of oscillation frame, crossbeam and angular adjustment oil cylinder
Rotating mechanism；Significantly simplify the structure of angle adjustment, its result is greatly reduced drill height；Flexible crossbeam is capable of achieving stroke
550mm's is flexible, substitutes the movement of crawler belt, reduces the movement of down-hole large type drill, convenient operation.
Specifically, with reference to Fig. 1, rig luffing bearing device of the present utility model is arranged on comprehensive deep hole rig to be made
Structure chart is Fig. 1, and comprehensive deep hole rig includes rolling friction unit 1, luffing unit 2, turning unit 3, rig power
4, drilling rod 5, drill bit 6, frame, crawler belt, transformer, control stick, emergency lighting part, hydraulic pump, fuel tank, console, luffing
Unit supports oil cylinder, support leg oil cylinder and Auxiliary support oil cylinder, install crawler belt and support leg oil cylinder under frame, hydraulic pressure is installed in frame
Pump, fuel tank, transformer, control stick, emergency lighting part, console and luffing unit supports oil cylinder, arrange luffing in frame
Unit 2, rolling friction unit 1, turning unit 3, drill power head 4, drilling rod 5 and drill bit 6, the non-swinging end of luffing unit 2 leads to
Cross luffing unit supports oil cylinder to be installed in frame, rolling friction unit 1, rolling friction are set on the swinging end of luffing unit 2
Drill power head 4, drilling rod 5 and drill bit 6 are set on unit 1, are arranged between the luffing end of luffing unit 2 and rolling friction unit 1
Turning unit 3, turning unit 3 can drive the revolution that rolling friction unit 1 carries out 360 °, connection turning unit 3 and rolling friction
Unit 1 can also arrange Auxiliary support oil cylinder, and rig is capable of achieving by the combination adjustment of support oil cylinder, luffing unit and turning unit
Drilling operation at any angle in the range of limited space, can pass through Auxiliary support oil cylinder and adjust the position of bracket again to realize bracket
Support.
With reference to Fig. 2-5, rolling friction unit 1 of the present utility model includes mast frame 1-1, living in mast frame 1-1
Dynamic formula is arranged and rolls holding element 1-2, and driving oil cylinder 1-42 is embedded in mast frame 1-1 and cylinder piston rod 1-41 is driven,
Roll holding element 1-2 to be vertically fixedly connected with oil cylinder 1-42 is driven, the end for driving cylinder piston rod 1-41 is fixed on mast
On bar framework 1-1；Rigging up unit head 4 on holding element 1-2 is rolled, is driven oil cylinder 1-42 to drive and is rolled holding element 1-2
Move back and forth along mast frame 1-1 roller.Oil cylinder direct drive replaces gear duplication acceleration mechanism, can make pulling force and centripetal force not
Halve again, be directly the centripetal force of driving oil cylinder, on year-on-year basis the duplication acceleration mechanism of identical pulling force can make cylinder diameter reduce 30%, drive
Dynamic oil cylinder cylinder diameter Φ 110mm, drive cylinder piston rod bar footpath Φ 63, stroke 930mm, during maximum working pressure (MWP) 25MPa, pulling force
235KN, centripetal force 160KN；Mast walking mechanism no longer adopts rail structure, but adopts roll mode, and propelling resistance reduces,
Dismounting is convenient, and the coal dust opened wide on track is more prone to cleaning, and the liner plate of traditional slide construction is just needed for general one month
Change once, and the projected life for rolling holding element of the present utility model is more than half a year.
Rolling holding element 1-2 includes that the first rolling member 1-22 and supporting plate 1-23, supporting plate 1-23 are rolled by first
Part 1-22 rollers are arranged in mast frame 1-1；First rolling member 1-22 includes two first rollings being vertically set up in parallel
Wheel 1-223, two the first roller 1-223 are clamped in mast frame 1-1 and roll along mast frame 1-1.Best, mast
Framework 1-1 uses square structural steel as main body, and specifically, mast frame 1-1 is that central carrying can be by driving oil cylinder 1-42
Chute, chute edge is extended tabular slide rail 1-11, and two the first roller 1-223 are clamped on slide rail 1-11 rail levels along mast
Framework 1-1 is rolled, and the axial direction of the first roller 1-223 is parallel with the rail level of slide rail 1-11.In order to compensate the abrasion of track,
The first eccentric shaft 1-222 is also set up on one rolling member 1-22, the first eccentric shaft 1-222 coaxially sets side by side with the first roller 1-223
Put in shaft core, and the first eccentric shaft 1-222 is fixed by mandrel pressing plate 1-221；Mast frame 1-1 is rubbed altogether by rolling
The collective effect of the centripetal force of the torsional moment of hydraulic motor and driving oil cylinder on bracket is wiped, the requirement of rig torsional moment is
During 4000N.m, propulsive force requires to be 160KN, and because current mast frame all employs plate welding structure, and plate welding structure has by force
Poor, the yielding shortcoming of degree, in order to reach intensity requirement, so mast frame be designed it is big and heavy.And the utility model
Mast frame directly main body is done using shaped steel, reduce welding structure, achievable framework lightly sets under equality strength is required
Meter, mitigates weight.
Spacing in order to carry out to the rolling for rolling holding element 1-2, rolling holding element 1-2 also includes the second rolling member 1-
21, the second rolling member 1-21 include the second roller 1-213 being fixedly connected with supporting plate 1-23, and the second roller 1-213 is along slide rail
The edge of 1-11 is rolled, it is ensured that is rolled holding element 1-2 and is not deviated by track.Further, in order to be able to compensate to slide rail 1-11,
The axial direction of the second roller 1-213 is vertical with slide rail 1-11 rail levels, and the second eccentric shaft 1- is also set up on the second rolling member 1-21
212, the second eccentric shaft 1-212 and the second roller 1-213 are coaxially disposed in parallel in shaft core, and the second roller 1-213 passes through spiral shell
Bolt is fixed on supporting plate 1-23 edges.
First eccentric shaft 1-222 and the second eccentric shaft 1-212, is capable of achieving the adjustment amount of maximum 2mm, the adjustment of this 2mm
Measure the wear extent for compensating slide rail or slide rail edge can be compensated.
The convenient disassembly of the first rolling member 1-22, directly can unclamp on both sides mandrel pressing plate 1-221 bolts, and roller can be direct
Take out from hole and repair or replace.First roller 1-223 of the present utility model and the second roller 1-213 are using supporting
Type roller self sealss bearing, is designed with lubricating cup to bearing lubrication on each axle, extend the life-span of bearing, bearing size 25mm*
62～25mm, the second roller stress in working condition, maximum can bear the hydraulic motor moment of couple of 23kN.m.
In addition, also setting up at least one support cylinder 1-3 in the end of mast frame 1-1, it is preferred that in mast frame 1-
1 two ends respectively arrange two support cylinder 1-3 arranged side by side, and it is short that mast frame 1-1 length is designed as far as possible, the mast length of 2.3m
Substantially freeing in and out for narrow can be realized, support cylinder 1-3 is all designed with front and back, can orientation in office carry out holding out against it is steady
Determine mast frame 1-1；Support cylinder 1-3 cylinder diameter Φ 80mm, support cylinder 1-3 piston rod bars footpath Φ 55mm, stroke 300mm,
Support oil cylinder 1-3 is equipped with two kinds fasteners, for different operating modes.The elongation of support cylinder 1-3 can reliably fix rig, real
The steady operation of existing rig.
With reference to Fig. 6-9, luffing unit 2 of the present utility model includes crossbeam 2-3, angular adjustment oil cylinder 2-2, amplitude of oscillation frame 2-1
With rig installed part 2-4, one end of amplitude of oscillation frame 2-1 is movably arranged at the end of crossbeam 2-3, the other end of amplitude of oscillation frame 2-1 with
The movable connection of piston end of angular adjustment oil cylinder 2-2, the non-piston end of angular adjustment oil cylinder 2-2 is movable to be hung on crossbeam 2-
Under 3, rig installed part 2-4 is fixedly installed on amplitude of oscillation frame 2-1；Crossbeam 2-3 is scalable crossbeam, and crossbeam 2-3 includes mutually set
If extensible canopy and fixed beam, and on the extensible canopy along its length between set track.Extensible canopy can also be that smooth beam body is tied
Structure, such as square steel tube structure, smooth girder construction is that is, smooth beam for the girder construction of track is arranged
Body structure is as not provided with thereon the square girder steel of track；Or crossbeam be non-telescoping beam, as smooth girder construction, for example
Square steel tube structure, non-telescoping beam herein is the definition that the angle that can be adjusted in length relative to extensible canopy is carried out,
That is crossbeam is a smooth square steel tube structure, can not be changed in length direction；Change of the present utility model
Width unit mainly carries greatly rotating mechanism by the flexible composition of amplitude of oscillation frame 2-1, crossbeam 2-3 and angular adjustment oil cylinder 2-2；Significantly
Simplify the structure of angle adjustment, its result is greatly reduced drill height；Flexible crossbeam is capable of achieving the flexible of stroke, substitutes and carries out
The movement of band, reduces the movement of down-hole large type drill, convenient operation；Underground coal mine dust is big, on extensible canopy of the present utility model
Along its length using reinforcing plate arranged for interval into slide rail, the obstruction that dust accumulation can be avoided to cause slide rail, dust can edge
Gap between slide rail skids off with the course of work of motor, with self-cleaning function；
Rig installed part 2-4 on amplitude of oscillation frame 2-1 is driven at 0～105 ° by the stretching motion of angular adjustment oil cylinder 2-2
In the range of rotate, and then drive the rig on the rig installed part 2-4 to rotate in the range of 0～105 °, considerably increase
The adjustable-angle of rig.
A kind of stretching motion for realizing angular adjustment oil cylinder 2-2 drive the rig installed part 2-4 on amplitude of oscillation frame 2-1 0～
The scheme rotated in the range of 105 ° includes：One end of amplitude of oscillation frame 2-1 is arranged on the end of crossbeam 2-3 by the second jointed shaft 2-12
Portion, the other end of amplitude of oscillation frame 2-1 is connected by the first jointed shaft 2-11 with the piston end of angular adjustment oil cylinder 2-2, and first is hinged
Angle α between the line of axle 2-11 and the second jointed shaft 2-12 and the axis of angular adjustment oil cylinder 2-2 is 31～136 °.
Another kind realizes that the stretching motion of angular adjustment oil cylinder 2-2 drives the rig installed part 2-4 on amplitude of oscillation frame 2-1 0
The scheme rotated in the range of～105 ° includes：One end of amplitude of oscillation frame 2-1 is arranged on the end of crossbeam 2-3 by the second jointed shaft 2-12
Portion, the non-piston end of angular adjustment oil cylinder 2-2 passes through with the support base 2-31 of the close amplitude of oscillation frame 2-1 being arranged under crossbeam 2-3
Swinging axle 2-32 is flexibly connected；The minimum wobble arm of force h of amplitude of oscillation frame 2-11For 150mm, the second jointed shaft 2-12 and swinging axle 2-
Projector distance between 32 is 2～2.5 times of the projector distance between the first jointed shaft 2-11 and the second jointed shaft 2-12；
A kind of stretching motion for preferably realizing angular adjustment oil cylinder 2-2 drives the rig installed part 2-4 on amplitude of oscillation frame 2-1
The scheme rotated in the range of 0～105 ° includes：Projector distance L between first jointed shaft 2-11 and the second jointed shaft 2-123
For 271mm, the projector distance L between the second jointed shaft 2-12 and swinging axle 2-3142For 562mm, the second jointed shaft 2-12 and pendulum
Upright projection between moving axis 2-314 is apart from h2For 256mm, the stroke g of angular adjustment oil cylinder 2-22For 0～472mm, this
Between length relation ensure that rotation in the range of 0～105 °；The size of corresponding miscellaneous part includes：It is of the present utility model
Minimum length L of rig jib lubbing mechanism1For 2048mm.
Angular adjustment oil cylinder 2-2 of the present utility model is being respectively provided with angular adjustment oil cylinder first at the two ends of cylinder block
Oil circuit interface 2-21 and angular adjustment oil cylinder the second oil circuit interface 2-22, for providing hydraulic oil to the stretching motion of oil cylinder；
The end away from amplitude of oscillation frame 2-1 of crossbeam 2-3 arranges crossbeam connector 2-33, for this rig jib lubbing mechanism to be pacified
It is mounted on rig.
Rig installed part 2-4 is discoid ring flange, turning unit 3 can be arranged on ring flange, then in turning unit
Rigging up on 3, can increase rotation of the rig in horizontal plane, improve the flexibility of rig position adjustments；Or directly in rig
Rigging up on installed part, realizes the regulation to rig position.
Turning unit of the present utility model 3 is discoid part, and the tangential direction along disc-shaped part arranges hydraulic pressure
Turbine structure, adjustment turning unit is rotated in the range of 360 °, realizes the comprehensive adjustment of rig angle.
Claims (8)
1. a kind of rig luffing bearing device, it is characterised in that including luffing unit (2) and rolling friction unit (1)；
Described luffing unit (2) includes crossbeam (2-3), angular adjustment oil cylinder (2-2), amplitude of oscillation frame (2-1) and rig installed part
(2-4) one end of, described amplitude of oscillation frame (2-1) is movably arranged at the end of crossbeam (2-3), the other end of amplitude of oscillation frame (2-1)
With the movable connection of piston end of angular adjustment oil cylinder (2-2), the non-piston end of angular adjustment oil cylinder (2-2) is movable to be hung on
Under crossbeam (2-3), rig installed part (2-4) is fixedly installed on amplitude of oscillation frame (2-1)；Described crossbeam (2-3) is non-telescoping
Girder construction；
Rolling friction unit (1) and rig head can be adjusted by luffing unit (2) to swing in the range of 0～105 °, rolled
Friction element (1) can drive rig head to carry out roller walking along its axial direction.
2. rig luffing bearing device as claimed in claim 1, it is characterised in that in the luffing of described luffing unit (2)
Turning unit (3) is also set up between end and rolling friction unit (1), turning unit (3) can drive rolling friction unit (1) to carry out
360 ° of revolution.
3. rig luffing bearing device as claimed in claim 2, it is characterised in that connection turning unit (3) and rolling friction
Unit (1) also sets up Auxiliary support oil cylinder.
4. rig luffing bearing device as claimed in claim 1, it is characterised in that one end of described amplitude of oscillation frame (2-1) leads to
The second jointed shaft (2-12) is crossed installed in the end of crossbeam (2-3), the other end of amplitude of oscillation frame (2-1) passes through the first jointed shaft (2-
11) be connected with the piston end of angular adjustment oil cylinder (2-2), the non-piston end of angular adjustment oil cylinder (2-2) be arranged on crossbeam (2-
3) support base (2-31) of the close amplitude of oscillation frame (2-1) under is flexibly connected by swinging axle (2-32)；
Floor projection between described the first jointed shaft (2-11) and the second jointed shaft (2-12) is apart from L3For 271mm, second
Floor projection between jointed shaft (2-12) and swinging axle (2-32) is apart from L2For 562mm, the second jointed shaft (2-12) and swing
Upright projection between axle (2-32) is apart from h2For 256mm, the stroke g of described angular adjustment oil cylinder (2-2)2For 0～472mm.
5. the rig luffing bearing device as described in claim 1,2 or 3, it is characterised in that described rolling friction unit (1)
Including mast frame (1-1), movable setting rolls holding element (1-2) in mast frame (1-1), in mast frame (1-
1) power part (1-4) is embedded in, rigging up head on holding element (1-2) is rolled, power part (1-4) drives rolling to hold
Support part (1-2) moves back and forth along mast frame (1-1) roller.
6. rig luffing bearing device as claimed in claim 5, it is characterised in that described power part (1-4) includes driving
Dynamic oil cylinder (1-42) and driving cylinder piston rod (1-41), roll holding element (1-2) and drive oil cylinder (1-42) vertically admittedly
Fixed connection, the end for driving cylinder piston rod (1-41) is fixed in mast frame (1-1).
7. rig luffing bearing device as claimed in claim 5, it is characterised in that described rolling holding element (1-2) bag
The first rolling member (1-22) and supporting plate (1-23) are included, supporting plate (1-23) is arranged on by the first rolling member (1-22) roller
In mast frame (1-1)；
First rolling member (1-22) includes two the first rollers (1-223) being vertically set up in parallel, along its length in mast
The slide rail (1-11) of tabular is set on framework (1-1), and two the first rollers (1-223) are clamped on slide rail (1-11) rail level along mast
Bar framework (1-1) is rolled, and the axial direction of the first roller (1-223) is parallel with the rail level of slide rail (1-11)；In the first described rolling
The first eccentric shaft (1-222) is also set up on moving part (1-22), the first eccentric shaft (1-222) is coaxial simultaneously with the first roller (1-223)
Row are arranged in shaft core.
8. rig luffing bearing device as claimed in claim 7, it is characterised in that described rolling holding element (1-2) is also
Including the second rolling member (1-21), the second rolling member (1-21) includes the second roller (1- being fixedly connected with supporting plate (1-23)
213), the second roller (1-213) is rolled along the edge of slide rail (1-11)；
The axial direction of described the second roller (1-213) is vertical with slide rail (1-11) rail level, also sets on the second rolling member (1-21)
The second eccentric shaft (1-212) is put, the second eccentric shaft (1-212) is coaxially disposed in parallel in shaft core with the second roller (1-213).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106437534A (en) * | 2016-08-26 | 2017-02-22 | 陕西斯达防爆安全科技股份有限公司 | Drilling machine amplitude varying bearing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106437534A (en) * | 2016-08-26 | 2017-02-22 | 陕西斯达防爆安全科技股份有限公司 | Drilling machine amplitude varying bearing device |
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