CN102787802B - Power head for geophysical prospecting driller - Google Patents
Power head for geophysical prospecting driller Download PDFInfo
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- CN102787802B CN102787802B CN201210301518.XA CN201210301518A CN102787802B CN 102787802 B CN102787802 B CN 102787802B CN 201210301518 A CN201210301518 A CN 201210301518A CN 102787802 B CN102787802 B CN 102787802B
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- driven bevel
- transmission shaft
- bevel gear
- drive shaft
- final drive
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Abstract
A power head for a geophysical prospecting driller mainly solves the problem that an existing power head is poor in drilling efficiency when encountering a special geology. The power head for the geophysical prospecting driller is characterized in that a rotating axis of a hydraulic motor is connected with a main transmission shaft, a driving bevel gear is coaxially fixed at the lower end of the main transmission shaft, a rotary transmission shaft is connected with the main transmission shaft, two driven bevel gears are mounted on two sides of a transverse supporting shaft via bearings, two vibration eccentric blocks are respectively fixed outside the two driven bevel gears, the driven bevel gear set and the driving bevel gear are meshed with each other and rotate in opposite directions, two ends of the transverse supporting shaft penetrate sidewalls of a power box and are fastened by a left press over and a right press cover respectively, and all parts above are interconnected and placed in the power box. Horizontal torsional vibration and perpendicular non-directional vibration can be output by the power head to quickly reduce resistance of the soil, the power head for the geophysical prospecting driller is applicable to dense soil and sandy soil containing gravels, and drilling construction efficiency to a rock stratum with strong joints can be greatly improved.
Description
Technical field
The present invention relates to a kind of unit head being applied on geophysical drilling machine.
Background technology
In the time utilizing geophysical drilling machine to complete to creep into operation, can run into different geological conditions, for example geological conditions is lam, contains clay composition sand soil; Or the chiltern soil layer that contains gravel, or closely knit soil layer.What the unit head of existing geophysical drilling machine generally adopted is small Tooth Number Difference Planetary Transmission or Worm Wheel System, and this unit head creeps into moment of torsion owing to can only exporting one direction, not vibration in drilling process; Or add the unit head that vertical orientation vibrates, also helpless in the time running into Special Geological Condition.And when vibration is by upper subordinate's biography process, have very high attenuation, make inefficiency.These existing unit heads generally go for lam, but creep into just very difficultly for closely knit soil layer and the chiltern soil layer that contains gravel, and efficiency is lower.
Summary of the invention
In order to solve the technical problem of mentioning in background technology, the invention provides a kind of novel geophysical drilling machine unit head, this kind of unit head can be exported horizontal torsion vibration and vertical non-directional vibration, make soil layer resistance fast reducing, be not only applicable to closely knit soil layer and contain gravel chiltern soil layer, and can greatly improve the rock stratum drilling construction efficiency that contains strong joint.
Technical scheme of the present invention is: this kind of geophysical drilling machine unit head, except comprising a columnar power box, also comprise hydraulic motor, motor base, final drive shaft, upper cover plate, driving bevel gear, revolution power transmission shaft, two driven bevel pinion group, cross binding axle, two vibration eccentric block group and bearing group that vibration eccentric block forms that driven bevel pinion forms.Wherein, described hydraulic motor is fixed on motor base, and the turning cylinder of this motor is connected with final drive shaft; Final drive shaft forms and is rotationally connected through the bearing of upper cover plate central authorities; Driving bevel gear is coaxially fixed in lower end at final drive shaft, and through the central cavity of described driving bevel gear, revolution power transmission shaft is connected with final drive shaft by spline;
The center of described cross binding axle has the hole of passing through for revolution power transmission shaft, its two ends are fixed with bearing group, to realize the both sides that two driven bevel pinions are arranged on to cross binding axle by bearing, two vibration eccentric blocks are separately fixed to the outside of two driven bevel pinions; Between described driven bevel pinion and vibration eccentric block, adopt riveting method to fix.
Described revolution power transmission shaft is connected by the Kong Houyu drilling rod of cross binding axle center, and driven bevel pinion group is meshed with described driving bevel gear, and the motion mode of two driven bevel pinions is for rotating in opposite directions; The two ends of described cross binding axle pass after the sidewall of power box fastening by left gland and right gland respectively, fastening after, cross binding axle is not rotatable; Aforementioned final drive shaft, upper cover plate, driving bevel gear, revolution power transmission shaft, driven bevel pinion group, cross binding axle, vibration eccentric block group and bearing group interconnect the rear described power box that is all positioned at.
The present invention has following beneficial effect: this kind of unit head includes a torsional oscillation formula vibrator, can directly creep into power output by low-speed big torque motor, simultaneously by the vibration of torsional oscillation formula vibrator output horizontal torsion and vertical non-directional vibration, the transient force mode producing by torsional oscillation will treat that formation drilling pushes aside or smash, make drill bit in drilling process, insert smoothly lower floor's rock seam, horizontal torsion division rock stratum, adds the disturbance of nondirectional vertical vibration, makes soil layer resistance fast reducing.This kind of unit head is not only applicable to closely knit soil layer and contains gravel chiltern soil layer, can improve operating efficiency, and very high to the rock stratum efficiency of construction that contains strong joint yet.In addition, the whole mechanism of this kind of unit head all can be placed in cylindrical box, and volume is little, occupies little space, and connection is also convenient.That summarizes says, this kind of unit head can configure with various rigs, adapts to various Geological Condition Requirements, and range of application is very wide.
Accompanying drawing explanation:
Fig. 1 is the STRUCTURE DECOMPOSITION schematic diagram of invention.
Fig. 2 is that the input and output shaft of invention is related to schematic diagram.
Fig. 3 is each parts relationship schematic diagram on the described cross binding axle of invention.
1-hydraulic motor in figure, 2-motor base, 3-final drive shaft, 4-upper cover plate, 5-driving bevel gear, 6-turns round power transmission shaft, 7-driven bevel pinion group, 8-cross binding axle, 9-vibration eccentric block group, the left gland of 10-, the right gland of 11-, 12-power box, 13-bearing group.
The specific embodiment:
Below in conjunction with accompanying drawing, the invention will be further described:
By shown in Fig. 1 to Fig. 3, this kind of geophysical drilling machine unit head, comprise a columnar power box 12, in addition, described unit head also comprises hydraulic motor 1, motor base 2, final drive shaft 3, upper cover plate 4, driving bevel gear 5, revolution power transmission shaft 6, two driven bevel pinion groups 7 that driven bevel pinion forms, cross binding axle 8, two vibration eccentric block group 9 and bearing group 13 that vibration eccentric block forms.Wherein, described hydraulic motor 1 is fixed on motor base 2, and the turning cylinder of this motor is connected with final drive shaft 3; Final drive shaft 3 forms and is rotationally connected through the bearing of upper cover plate 4 central authorities; Driving bevel gear 5 is coaxially fixed in lower end at final drive shaft 3, and through the central cavity of described driving bevel gear 5, revolution power transmission shaft 6 is connected with final drive shaft 3 by spline.
The center of described cross binding axle 8 has the hole of passing through for revolution power transmission shaft 6, its two ends are fixed with bearing group 13, to realize the both sides that two driven bevel pinions are arranged on to cross binding axle 8 by bearing, two vibration eccentric blocks are separately fixed to the outside of two driven bevel pinions.
Finally, described revolution power transmission shaft 6 is connected by the Kong Houyu drilling rod of cross binding axle 8 centers, and driven bevel pinion group 7 is meshed with described driving bevel gear 5, and the motion mode of two driven bevel pinions is for rotating in opposite directions; The two ends of described cross binding axle 8 pass after the sidewall of power box 12 fastening by left gland 10 and right gland 11 respectively; Aforementioned final drive shaft 3, upper cover plate 4, driving bevel gear 5, revolution power transmission shaft 6, driven bevel pinion group 7, cross binding axle 8, vibration eccentric block group 9 and bearing group 13 interconnect the rear described power box 12 that is all positioned at.
For adapting to power box, most preferred vibration eccentric block structure is semicircular arc.
The course of work of the present invention is as follows:
When use, drive final drive shaft by low speed high torque hydraulic motor, drive and the splined revolution power transmission shaft of final drive shaft simultaneously; Revolution power transmission shaft, by the interstitial hole of fixed cross binding axle, is then connected with drilling rod, and rotary output shaft provides the power such as the rotating moment of torsion of drilling rod, has realized creeping into of drilling rod.Meanwhile, driving bevel gear drives two driven bevel pinions to dally on cross binding axle, drives vibration eccentric block to produce out-of-alignment and rotates in opposite directions, thereby produce torsional oscillation by the driven bevel pinion of two idle running.Owing to will transmit reciprocating rotating moment of torsion when rotating speed is crept in transmission, therefore require the connection between drilling rod must adopt key with bolt combination or adopt pin to be connected.
When low speed high torque hydraulic motor is passed to driving bevel gear by power by final drive shaft, driving bevel gear drives driven bevel pinion to rotate, and driven bevel pinion is always in rotary state in opposite directions.Because driven bevel pinion is to rotate around fixing horizontal support axle with vibration eccentric block simultaneously, they have certain distance apart from the centre of gyration, and therefore the centre of gyration produces torsional moment relatively; Driven bevel pinion is with vibration eccentric block 360 ° of rotations, the torsional moment that produces forward for a moment, backward, will form twisting vibration for a moment; Twisting vibration passes and finally passes to drilling rod by bearing, horizontal support axle, left and right gland, cylinder casing, has realized the torsional oscillation of drill bit.Be low speed high torque hydraulic motor due to what adopt, therefore this vibration is low frequency torsional oscillation, and this is very effective for overcoming external resistance.
Claims (2)
1. a geophysical drilling machine unit head, comprise a columnar power box (12), it is characterized in that: described unit head also comprises hydraulic motor (1), motor base (2), final drive shaft (3), upper cover plate (4), driving bevel gear (5), revolution power transmission shaft (6), two driven bevel pinion group (7), cross binding axle (8), two vibration eccentric block group (9) and bearing group (13) that vibration eccentric block forms that driven bevel pinion forms; Wherein, it is upper that described hydraulic motor (1) is fixed on motor base (2), and the turning cylinder of this motor is connected with final drive shaft (3); Final drive shaft (3) forms and is rotationally connected through the bearing of upper cover plate (4) central authorities; Coaxially fix driving bevel gear (5) in the lower end of final drive shaft (3), through the central cavity of described driving bevel gear (5), revolution power transmission shaft (6) is connected with final drive shaft (3) by spline;
The center of described cross binding axle (8) has the hole of passing through for revolution power transmission shaft (6), its two ends are fixed with bearing group (13), to realize the both sides that two driven bevel pinions are arranged on to cross binding axle (8) by bearing, two vibration eccentric blocks are separately fixed to the outside of two driven bevel pinions; Between described driven bevel pinion and vibration eccentric block, adopt riveting method to fix;
Described revolution power transmission shaft (6) is connected by the Kong Houyu drilling rod of cross binding axle (8) center, and driven bevel pinion group (7) is meshed with described driving bevel gear (5), and the motion mode of two driven bevel pinions is for rotating in opposite directions; The two ends of described cross binding axle (8) pass after the sidewall of power box (12) fastening by left gland (10) and right gland (11) respectively, and cross binding axle (8) is not rotatable; Aforementioned final drive shaft (3), upper cover plate (4), driving bevel gear (5), revolution power transmission shaft (6), driven bevel pinion group (7), cross binding axle (8), vibration eccentric block group (9) and bearing group (13) interconnect the rear described power box (12) that is all positioned at.
2. geophysical drilling machine unit head according to claim 1, is characterized in that: described vibration eccentric block is semicircular arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210301518.XA CN102787802B (en) | 2012-08-23 | 2012-08-23 | Power head for geophysical prospecting driller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210301518.XA CN102787802B (en) | 2012-08-23 | 2012-08-23 | Power head for geophysical prospecting driller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102787802A CN102787802A (en) | 2012-11-21 |
| CN102787802B true CN102787802B (en) | 2014-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210301518.XA Expired - Fee Related CN102787802B (en) | 2012-08-23 | 2012-08-23 | Power head for geophysical prospecting driller |
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| Country | Link |
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| CN (1) | CN102787802B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937365B (en) * | 2016-07-06 | 2018-08-24 | 福建省正丰信息技术发展有限公司 | A kind of drilling machine |
| CN105937366A (en) * | 2016-07-06 | 2016-09-14 | 福建省正丰信息技术发展有限公司 | Electric drive drilling rig power head |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2809182Y (en) * | 2005-07-28 | 2006-08-23 | 大庆油田装备制造集团 | Vibratory impact type power head |
| CN201137496Y (en) * | 2008-01-03 | 2008-10-22 | 石家庄煤矿机械有限责任公司 | Tunnelling machine mounted geophysical drilling machine |
| CN202300195U (en) * | 2012-04-16 | 2012-07-04 | 保定宏业石油物探机械制造有限责任公司 | Power head for axially feeding water and gas |
| CN202706915U (en) * | 2012-08-23 | 2013-01-30 | 东北石油大学 | Low-speed rotary and torsional vibration type power device |
-
2012
- 2012-08-23 CN CN201210301518.XA patent/CN102787802B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2809182Y (en) * | 2005-07-28 | 2006-08-23 | 大庆油田装备制造集团 | Vibratory impact type power head |
| CN201137496Y (en) * | 2008-01-03 | 2008-10-22 | 石家庄煤矿机械有限责任公司 | Tunnelling machine mounted geophysical drilling machine |
| CN202300195U (en) * | 2012-04-16 | 2012-07-04 | 保定宏业石油物探机械制造有限责任公司 | Power head for axially feeding water and gas |
| CN202706915U (en) * | 2012-08-23 | 2013-01-30 | 东北石油大学 | Low-speed rotary and torsional vibration type power device |
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| Publication number | Publication date |
|---|---|
| CN102787802A (en) | 2012-11-21 |
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