CN104329022B - Vehicular rig slewing equipment - Google Patents
Vehicular rig slewing equipment Download PDFInfo
- Publication number
- CN104329022B CN104329022B CN201410541567.XA CN201410541567A CN104329022B CN 104329022 B CN104329022 B CN 104329022B CN 201410541567 A CN201410541567 A CN 201410541567A CN 104329022 B CN104329022 B CN 104329022B
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- CN
- China
- Prior art keywords
- unit head
- main shaft
- planker
- framework
- slewing equipment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/02—Drilling rigs characterized by means for land transport with their own drive, e.g. skid mounting or wheel mounting
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
Abstract
A kind of vehicular rig slewing equipment, it comprises planker framework, unit head is rotatable to be fixed on planker framework, the rear side outer rim of unit head is provided with double speed hydraulic motor, described unit head is inner rotatable is provided with main shaft, described double speed hydraulic motor is connected to described main shaft and rotates to drive it, the middle part of described main shaft is provided with shoulder, and be provided with the taper roll bearing that is oppositely arranged in shoulder both sides to be supported in unit head, thus, the present invention is while raising rig strength and stiffness, reduce weight, and make high velocity mud directly can not cause wearing and tearing to main shaft inwall, improve the main shaft life-span, the inner end cap increasing magnetic screen and mounting strap permanent magnet, increases bearing life, to be with the air filter of desiccant to substitute gas permeable plain plug, prevent outside moisture from entering box house, pollution lubricating liquid.
Description
Technical field
The present invention relates to the technical field of drilling equipment, be specifically related to a kind of vehicular rig slewing equipment meeting multiple drilling process.
Background technology
At present, vehicular rig is extensive in coal bed gas horizontal directional drilling construction application, and is applied to major diameter emergency management and rescue drilling construction.Slewing equipment, as the critical piece of truck-mounted drilling rig, provides rotational torque for drilling tool and creeps into downforce, realizing wellbore construction.At present, truck-mounted drilling rig many employings turntable structure, as the power source driving rig, is difficult to realize complex drilling demand, as directional well construction.In slewing equipment structure, more domestic unit head adopts fixed displacement motor to drive, and speed adjustable range is narrow; Promote in drilling tool process and transmit pulling force by top gear platen by screw thread, rely on platen to regulate bearing clearance, this structure makes gear platen thread damage frequency increase simultaneously, changes complicated; Main shaft upper end, without seal protecting device, causes seepage drilling fluid to enter gear housing inside, pollution lubricating oil; Box house is without independent metal fragment absorptive element, and lubrication oil is easily contaminated, and bearing life reduces greatly.
For this reason, designer of the present invention is because above-mentioned defect, and by concentrating on studies and designing, comprehensive experience and the achievement being engaged in related industry for a long time for many years, research and design goes out a kind of vehicular rig slewing equipment, to overcome above-mentioned defect.
Summary of the invention
Object of the present invention is just to overcome above-mentioned the deficiencies in the prior art, provides that a kind of compact conformation, intensity are high, through-hole diameter is large, speed-regulating range width, contamination resistance are strong, reliability is high and can meet the vehicular rig slewing equipment of multiple drilling process.
For achieving the above object, the invention discloses a kind of vehicular rig slewing equipment, it comprises planker framework, described planker framework is welded with at the bearing position of planker and organizes channel-section steel more, described planker frame upper surface both sides are provided with installing plate relatively, unit head is fixed between two installing plates by the rotation wing plate of both sides is rotatable, it is characterized in that:
The rear end of described unit head is connected with washing pipe assembly, and the rear side outer rim of unit head is provided with double speed hydraulic motor, described unit head is inner rotatable is provided with main shaft, described double speed hydraulic motor is connected to described main shaft and rotates to drive it, the front end of described main shaft stretches out from unit head and is connected to an outer shaft by straight pin, described outer shaft inner sleeve has interior axle, one bushing pipe is with being located in main shaft, what one tracheae was coaxial be positioned at bushing pipe and from described axial extension, the rear end of described interior axle is inserted between described bushing pipe and main shaft, and between described interior axle and bushing pipe, two seals ring is at least set, the middle part of described main shaft is provided with shoulder, and be provided with the taper roll bearing that is oppositely arranged in shoulder both sides to be supported in unit head, a magnetic screen is provided with outside taper roll bearing on rear side of shoulder, the metal fragment produced in engagement process is adsorbed, prevent metal fragment from entering in raceway, extend bearing life, taper roll bearing front end on front side of shoulder is provided with two round nuts, to be carried out the adjustment of bearing and locking by round nut.
Wherein: the bottom of described planker framework is provided with organizes roller more, described many group rollers comprise 8 groups of fixed idler whells and 16 groups of adjustment rollers, and described 8 groups of fixed idler whells are fixed on described planker framework, and described 16 groups regulate rollers can regulate described planker framework up and down.
Wherein: in unit head, adopt two exclusion seal structure, wherein, supporter is provided with in unit head, the front end of described supporter is provided with the insertion section stretched between described main shaft and bushing pipe, the interior outside of described supporter is respectively equipped with the flange part leaning main shaft and bushing pipe, and the described pair of exclusion seal structure comprises the O RunddichtringO that arranges between supporter outboard flanges portion and rear-end of spindle face and the dust ring between rear-end of spindle outer rim and unit head inner edge.
Wherein: also comprise the rotary drive assembly laying respectively at unit head both sides, each described rotary drive assembly comprises plugging pin oil cylinder, latch and rotary oil cylinder, described plugging pin oil cylinder is laterally fixed on described planker framework, and the piston rod of described plugging pin oil cylinder is fixed on described latch, the rotation wing plate of described unit head both sides is respectively equipped with the pin hole stretching into for described latch or deviate from, with when plugging pin oil cylinder is carried out flexible, described unit head can relative to fixing or rotating, described rotary oil cylinder is a long-cylinder, its one end is articulated with described planker framework, the piston rod of the other end is articulated with described rotation wing plate.
Wherein: described main shaft outer rim is fixed with a frictional disk, on described planker framework, relatively described frictional disk is provided with a friction brake.
Wherein: described frictional disk stretches in the groove of described friction brake when normal work, is provided with friction plate in the groove of described friction brake, to carry out grip friction braking when braking to frictional disk.
Thus, the invention has the beneficial effects as follows:
1, adopt double speed gerotor motor, rotational speed regulation wide ranges, moment of torsion is large, and backend arrangement washing pipe assembly, can meet conventional mud direct circulation and gaslift direct circulation is crept into.
2, spindle brake can be braked main shaft by frictional disk, meets directed drilling construction.
3, main shaft latus rectum is large, and inner installation bushing pipe, supporting heavy caliber washing pipe assembly, can meet heavy caliber gas-lift reverses circulation demand, the main shaft life-span is long.
4, shoulder structure in the middle part of main shaft, can make base bearing be subject to larger lifting force, need not more gear changing platen.
5, adopt the small end cover of magnetic screen and band permanent magnet, fully can adsorb metal impurities in lubricating fluid, improve the contamination resistance of lubricating fluid, improve bearing life.
6, can make to rotate in dynamic head main spindle 0-70 degree, conveniently assemble and disassemble drilling tool.
Detailed content of the present invention obtains by explanation described later and institute's accompanying drawing.
Accompanying drawing explanation
Fig. 1 is top view of the present invention.
Fig. 2 is internal construction schematic diagram of the present invention.
Fig. 3 is partial enlarged view of the present invention.
Fig. 4 is the unit head original state schematic diagram of invention.
Fig. 5 is the unit head handling drilling rod operating diagram of invention.
Reference numeral in figure:
1-planker framework, 2-roller, 3-double speed hydraulic motor, 4-air filter, 5-bushing pipe, 6-magnetic screen, 7-main shaft, 8-O RunddichtringO, 9-dust ring, 10-retaining ring, 1a-plugging pin oil cylinder, 2a-latch, 3a-oil cylinder, 4a-rotation wing plate, 8a-round nut, 9a-frictional disk, 10a-straight pin, 11-interior axle, 12-outer shaft, 13-tracheae, 1b-rear plate, 2b-washing pipe assembly, 3b-installing plate, 4b-unit head, 6b-friction brake.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
See Fig. 1-4, the present invention relates to a kind of vehicular rig slewing equipment, it comprises planker framework 1, described planker framework 1 can be made up of high strength steel, and in order to improve bulk strength and rigidity, described planker framework 1 is welded with at the bearing position of planker and organizes channel-section steel more, the bottom of described planker framework 1 is provided with many group rollers 2, wherein, described many group rollers 2 comprise 8 groups of fixed idler whells and 16 groups of adjustment rollers, described 8 groups of fixed idler whells are fixed on described planker framework 1, what described 16 groups of adjustment rollers can move up and down is fixed on described planker framework 1, thus, by regulating the position adjustments moving forward into action edge head 4b of roller, 16 groups of rollers can regulate and guide clearance, ensure that dynamic head main spindle 7 is concentric with aperture.
Described planker framework 1 upper surface both sides are provided with installing plate 3b relatively, unit head 4b is fixed between two installing plate 3b by the rotation wing plate 4a of both sides is rotatable, the rear end of described unit head 4b is connected with bigbore washing pipe assembly 2b, and the rear side outer rim of unit head 4b is provided with double speed hydraulic motor 3, described unit head 4b is inner rotatable is provided with main shaft 7, described double speed hydraulic motor 3 is connected to described main shaft 7 and rotates to drive it, the front end of described main shaft 7 stretches out from unit head 4b and is connected to an outer shaft 12 by straight pin 10a, described outer shaft 12 inner sleeve has interior axle 11, one bushing pipe 5 is with being located in main shaft 7, what one tracheae 13 was coaxial is positioned at bushing pipe 5 and stretches out from described axle 11, the rear end of described interior axle 11 is inserted between described bushing pipe 5 and main shaft 7, and between described interior axle 11 and bushing pipe 5, two seals ring is at least set, wherein, the air filter 4 of band desiccant is provided with on rear side of described unit head 4b, prevent outside moisture from entering in casing, ensure that unit head can not polluted by lubrication oil in the presence of a harsh environment, the middle part of described main shaft 7 is provided with shoulder, and be provided with the taper roll bearing be oppositely arranged in shoulder both sides and be supported in unit head 4b, a magnetic screen 6 is provided with outside taper roll bearing on rear side of shoulder, the metal fragment produced in engagement process is adsorbed, prevent metal fragment from entering in raceway, extend bearing life, the taper roll bearing front end on front side of shoulder is provided with two round nut 8a, to be carried out the adjustment of bearing and locking by round nut 8a.
Described bushing pipe 5 is made for high strength steel, and to protect main shaft 7 not by high velocity mud abrasion and corrosion, the through-hole diameter of described main shaft 7 is greater than 3 inches, and configuration heavy caliber washing pipe assembly 2b, can meet heavy caliber gas-lift reverses circulation construction requirement.
See Fig. 3, two exclusion seal structure is adopted in unit head 4b, wherein, supporter is provided with in unit head 4b, the front end of described supporter is provided with the insertion section stretched between described main shaft 7 and bushing pipe 5, the interior outside of described supporter is respectively equipped with the flange part leaning main shaft 7 and bushing pipe 5, the described pair of exclusion seal structure comprises the O RunddichtringO 8 that arranges between supporter outboard flanges portion and rear-end of spindle face and the dust ring 9 between main shaft 7 rear end outer rim and unit head 4b inner edge, described O RunddichtringO 8 seals by the mud in bushing pipe 5, prevent high-pressure slurry from leaking, described dust ring 9 pairs of main shaft 7 inner oil seals are protected, external dust or fluid contaminants is stoped to enter casing.
Wherein, in unit head 4b, be provided with a retaining ring 10, to avoid main shaft 7 too to retreat on the flange that described retaining ring 10 is sleeved on described main shaft 7.
For realizing the rotation of unit head 4b, the application also comprises the rotary drive assembly laying respectively at unit head 4b both sides, each described rotary drive assembly comprises plugging pin oil cylinder 1a, latch 2a and rotary oil cylinder 3a, described plugging pin oil cylinder 1a is laterally fixed on described planker framework 1, and the piston rod of described plugging pin oil cylinder 1a is fixed on described latch 2a, the rotation wing plate 4a of described unit head 4b both sides is respectively equipped with the pin hole stretching into for described latch 2a or deviate from, with when plugging pin oil cylinder 1a carries out flexible, described unit head 4b can relative to fixing or rotating, described rotary oil cylinder 3a is a long-cylinder, its one end is articulated with described planker framework 1, the piston rod of the other end is articulated with described rotation wing plate 4a.
See Fig. 4 and Fig. 5, when slewing equipment normally works, rely on plugging pin oil cylinder 1a to drive latch 2a to be fixed rotation wing plate 4a, ensure that unit head 4b normally rotates and drilling construction.When carrying out loading and unloading other drilling rods, plugging pin oil cylinder 1a drives latch 2a to regain, and latch is departed from and rotates wing plate 4a, is fixed on the unit head 4b rotated on wing plate 4a and can be rotated counterclockwise 70 degree under the drive of oil cylinder 3a, lever apparatus handling drilling tool in cooperation.
For realizing the fast braking of dynamic head main spindle, described main shaft 7 outer rim is fixed with a frictional disk 9a, on described planker framework 1, relatively described frictional disk 9a is provided with a friction brake 6b, described frictional disk 9a stretches in the groove of described friction brake 6b when normal work, friction plate is provided with, to carry out grip friction braking when braking to frictional disk 9a in the groove of described friction brake 6b.
Thus, truck-mounted drilling rig slewing equipment of the present invention increases many channel-section steels as reinforcing rib at planker afterbody primary load bearing position, while raising rig strength and stiffness, reduces weight.The main shaft of unit head adopts middle part shoulder structure, and shoulder is as the main bearing position of lifting force; Spindle through-hole is greater than 3 inches, and independent bushing pipe is installed in main shaft inside, makes high velocity mud directly can not cause wearing and tearing to main shaft inwall, improves the main shaft life-span; Rear-end of spindle increases by one group of dust ring and O type circle, prevent inner mud leak and from external contaminants enter gear housing; Unit head inside increases the end cap of magnetic screen and mounting strap permanent magnet, ensures that the metal fragment produced in gear movement process obtains filling absorption, increases bearing life; Front-end of spindle adopts two round nut structure adjust bearing clearance and lock; Unit head adopts double speed gerotor motor to drive, and moment of torsion is large, speed-regulating range width.Spindle braking system installed by unit head, meets directional drilling construction requirement.Unit head substitutes gas permeable plain plug to be with the air filter of desiccant, prevents outside moisture from entering box house, pollution lubricating liquid.Unit head adopts and rotates wing plate, can make main shaft in 0-70 degree scope for rotating, lever apparatus handling drilling rod in cooperation.
It is evident that, above description and record be only citing instead of in order to limit disclosure of the present invention, application or use.Although described in an embodiment and be described in the drawings embodiment, but the present invention do not limit by accompanying drawing example and describe in an embodiment as the optimal mode thought at present to implement the specific examples of instruction of the present invention, scope of the present invention will comprise any embodiment of manual and the appended claim fallen into above.
Claims (6)
1. a vehicular rig slewing equipment, it comprises planker framework, described planker framework is welded with at the bearing position of planker and organizes channel-section steel more, described planker frame upper surface both sides are provided with installing plate relatively, unit head is fixed between two installing plates by the rotation wing plate of both sides is rotatable, it is characterized in that:
The rear end of described unit head is connected with washing pipe assembly, and the rear side outer rim of unit head is provided with double speed hydraulic motor, described unit head is inner rotatable is provided with main shaft, described double speed hydraulic motor is connected to described main shaft and rotates to drive it, the front end of described main shaft stretches out from unit head and is connected to an outer shaft by straight pin, described outer shaft inner sleeve has interior axle, one bushing pipe is with being located in main shaft, what one tracheae was coaxial be positioned at bushing pipe and from described axial extension, the rear end of described interior axle is inserted between described bushing pipe and main shaft, and between described interior axle and bushing pipe, two seals ring is at least set, the middle part of described main shaft is provided with shoulder, and be provided with the taper roll bearing that is oppositely arranged in shoulder both sides to be supported in unit head, a magnetic screen is provided with outside taper roll bearing on rear side of shoulder, the metal fragment produced in engagement process is adsorbed, prevent metal fragment from entering in raceway, taper roll bearing front end on front side of shoulder is provided with two round nuts, to be carried out the adjustment of taper roll bearing and locking by round nut.
2. vehicular rig slewing equipment as claimed in claim 1, it is characterized in that: the bottom of described planker framework is provided with organizes roller more, described many group rollers comprise 8 groups of fixed idler whells and 16 groups of adjustment rollers, described 8 groups of fixed idler whells are fixed on described planker framework, and described 16 groups regulate roller can regulate mobile described planker framework up and down.
3. vehicular rig slewing equipment as claimed in claim 1, it is characterized in that: in unit head, adopt two exclusion seal structure, wherein, supporter is provided with in unit head, the front end of described supporter is provided with the insertion section stretched between described main shaft and bushing pipe, the interior outside of described supporter is respectively equipped with the flange part leaning main shaft and bushing pipe, and the described pair of exclusion seal structure comprises the O RunddichtringO that arranges between supporter outboard flanges portion and rear-end of spindle face and the dust ring between rear-end of spindle outer rim and unit head inner edge.
4. vehicular rig slewing equipment as claimed in claim 1, it is characterized in that: also comprise the rotary drive assembly laying respectively at unit head both sides, each described rotary drive assembly comprises plugging pin oil cylinder, latch and rotary oil cylinder, described plugging pin oil cylinder is laterally fixed on described planker framework, and the piston rod of described plugging pin oil cylinder is fixed on described latch, the rotation wing plate of described unit head both sides is respectively equipped with the pin hole stretching into for described latch or deviate from, with when plugging pin oil cylinder is carried out flexible, described unit head can relative to fixing or rotating, described rotary oil cylinder is a long-cylinder, its one end is articulated with described planker framework, the piston rod of the other end is articulated with described rotation wing plate.
5. vehicular rig slewing equipment as claimed in claim 1, it is characterized in that: described main shaft outer rim is fixed with a frictional disk, on described planker framework, relatively described frictional disk is provided with a friction brake.
6. vehicular rig slewing equipment as claimed in claim 5, it is characterized in that: described frictional disk stretches in the groove of described friction brake when normal work, friction plate is provided with, to carry out grip friction braking when braking to frictional disk in the groove of described friction brake.
Priority Applications (1)
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CN201410541567.XA CN104329022B (en) | 2014-10-14 | 2014-10-14 | Vehicular rig slewing equipment |
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CN201410541567.XA CN104329022B (en) | 2014-10-14 | 2014-10-14 | Vehicular rig slewing equipment |
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CN104329022A CN104329022A (en) | 2015-02-04 |
CN104329022B true CN104329022B (en) | 2016-02-03 |
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CN201410541567.XA Active CN104329022B (en) | 2014-10-14 | 2014-10-14 | Vehicular rig slewing equipment |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105927142B (en) * | 2016-06-27 | 2017-10-20 | 湖南创远高新机械有限责任公司 | A kind of revolution driving structure for raise boring machine |
CN106285467A (en) * | 2016-08-22 | 2017-01-04 | 中煤科工集团西安研究院有限公司 | A kind of truck-mounted drilling rig being applicable to ground coal bed gas wellbore construction and construction method |
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CN203856399U (en) * | 2014-05-28 | 2014-10-01 | 重庆迈尔矿山设备开发有限公司 | Power head used for underground drill rig |
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US20090159271A1 (en) * | 2007-12-21 | 2009-06-25 | Bastiaan De Jong | Top drive systems for wellbore & drilling operations |
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US3901330A (en) * | 1973-11-21 | 1975-08-26 | Brown Oil Tools | Electric power drive assembly |
DE19906687B4 (en) * | 1999-02-18 | 2007-10-11 | Klemm Bohrtechnik Zweigniederlassung Der Bauer Maschinen Gmbh | Double head drilling device of short design |
CN101432498A (en) * | 2006-04-28 | 2009-05-13 | 国民油井华高有限合伙公司 | Top drive apparatus |
CN201047255Y (en) * | 2007-04-24 | 2008-04-16 | 保定保路通工程有限公司 | Power head output shaft device of horizontal directional drilling rig |
CN101737006A (en) * | 2009-11-25 | 2010-06-16 | 煤炭科学研究总院太原研究院 | Dry wet-type drill box of anchor rod drill carriage |
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