CN105201407A - Novel hydraulic ultra-high frequency vibration power head - Google Patents
Novel hydraulic ultra-high frequency vibration power head Download PDFInfo
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- CN105201407A CN105201407A CN201510664532.XA CN201510664532A CN105201407A CN 105201407 A CN105201407 A CN 105201407A CN 201510664532 A CN201510664532 A CN 201510664532A CN 105201407 A CN105201407 A CN 105201407A
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- unit head
- vibrator
- eccentric shaft
- power head
- frequency vibration
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Abstract
The invention discloses a novel hydraulic ultra-high frequency vibration power head which comprises a power head frame, a rotary motor arranged at the upper end of the power head frame, a vibrator connected with the power head frame through a vibration damping rubber block which is laterally arranged, and a main shaft which penetrates through the vibrator and is connected with the rotary motor through a coupling, wherein the vibrator comprises a vibrator box body, a first eccentric shaft, a second eccentric shaft, a high speed motor and a synchronizing mechanism, wherein the first eccentric shaft and the second eccentric shaft are laterally and symmetrically arranged in the vibrator box body, the first eccentric shaft is provided with a first synchronizing wheel, and the second eccentric shaft is provided with a second synchronizing wheel; the high speed motor is used for driving each eccentric shaft; the synchronizing mechanism is used for enabling the two eccentric shafts to reversely rotate at constant speed; the synchronizing mechanism comprises a synchronizing belt, a first guide wheel and a second guide wheel; and the synchronizing belt sequentially passes through the first synchronizing wheel, the first guide wheel, the second synchronizing wheel and the second guide wheel. The novel hydraulic ultra-high frequency vibration power head has the beneficial effects that all parts of the power head can be effectively protected, the service life of the power head can be prolonged, the operating efficiency of the complete machine is further increased, and the adaptability to the stratum is expanded.
Description
Technical field
The present invention relates to formation sample sampling equipment technical field, particularly relate to a kind of novel hydraulic Action of Superhigh Frequency Vibration unit head.
Background technology
Along with the proposition of the new strategic idea of country " a band one tunnel ", infrastructure and energy development workload will significantly increase, incident is a large amount of geological drilling sampling work, and the technology that efficient drilling technology and high-quality obtain formation sample must be favored.
The method adopting rotary drilling sampling at present, need flushing liquor (water, mud, air or foam) to circulate during drive sampling, flushing liquor easily pollutes sample, causes the change of sample purity, related physical, mechanical property more.Simultaneously air drilling brings a large amount of dust pollutions, and it is unfavorable to be the health of operating personnel and environment.In addition, in west droughty area, area (such as tailing dam) difficult to get access construction, water scarcity, adopts and does not need the vibro-drilling that flushing liquor circulates to become prefered method.
During vibro-drilling, formation sample only in the tube wall very low range (general 1 ~ 2mm) have slight perturbations, other part undisturbeds, sampling quality is high, pollution-free, is suitable for the occasion of high-quality sampling; Vibro-drilling can realize efficiently creeping at covering layer, and rate of penetration is about 2 ~ 3 times of rotary drilling; Can solve a drive sampling difficult problem for water-deficient area, vibro-drilling easily sinks to sleeve pipe in case hole wall collapse simultaneously; When running into bad ground, use vibrator can solve drilling tool bit freezing problem.
The core apparatus of vibro-drilling is vibration unit head, and its core is the vibrator on unit head.
Within 2009, College of Construction Engineering, Jilin Universtity have developed JDD-100 type Urban Geological Survey multifunctional drill, two high-speed hydraulic motors drill power head are equipped with, drive two axles being provided with same number of teeth synchromesh gear simultaneously, rotating speed is identical, turn to contrary, keep synchronous axial system.Vibration frequency 46.7 revolutions per seconds (46.7Hz), exciting force 16.7kN, amplitude 8mm, power 15kW.Vibrator on this unit head belongs to dither, through test, find exciting force still on the low side, drilling efficiency is not high.
Chinese coal geology exploration administrations of general bureau second in 2011 and The Chinese Geology Univ. (Beijing) develop jointly out YSZ-50 type sonic frequency resonance drill, unit head adopts two high-speed motors to drive two eccentric shafts, between eccentric shaft, mechanical connects, motor synchronizing is realized by respective reverse High Rotation Speed, frequency reaches 150 ~ 200Hz, vibration force 140kN, oscillation power 39.2kW.Belong to Action of Superhigh Frequency Vibration unit head.Through test, respond well, become the sonic frequency resonance drill that the First vibration degree of depth reaches 50 meters, fill up domestic blank.But application life only can reach 50h, need the time of examine and replace more, thus operating efficiency is reduced.
Therefore prior art haves much room for improvement and develops.
Summary of the invention
The technical problem to be solved in the present invention is to provide one and can increases the service life, thus improves the novel hydraulic Action of Superhigh Frequency Vibration unit head of the operating efficiency of complete machine.
Technical solution of the present invention is: a kind of novel hydraulic Action of Superhigh Frequency Vibration unit head, the vibrator comprising unit head framework, be placed in the rotary motor of unit head framework upper end, connected with unit head framework by the damping rubber block of lateral arrangement and run through the main shaft that vibrator connected with this rotary motor by shaft coupling;
Described vibrator involving vibrations device casing, lateral symmetry be arranged in band first synchronizing wheel in vibrator box the first eccentric shaft and band the second synchronizing wheel the second eccentric shaft, for driving the high-speed motor of eccentric shaft and making the lazy-tongs of the reverse constant speed rotation of two eccentric shafts;
These lazy-tongs comprise Timing Belt, the first directive wheel and the second directive wheel; This Timing Belt is pile warp first synchronizing wheel successively, the first directive wheel, the second synchronizing wheel, and the second directive wheel.
Described vibrator box is provided with the contact roller regulating described tightness of synchronous belt.
Be provided with suction impeller in the end of described eccentric shaft, in described vibrator box, be provided with toroidal cavity; Be provided with air filter at suction impeller air outlet, air filter is communicated with toroidal cavity by elongated hole, the hole link of this toroidal cavity and eccentric shaft.
Rubber damping pad is provided with between described unit head framework and described rotary motor.
Be provided with ring-shaped step in the middle part of described main shaft, above and/or under this step, be provided with thrust force aligning bearing.
Beneficial effect of the present invention:
The present invention innovates and adopts novel super-high frequency vibration power head structure and damper mechanism pattern, and each component of energy available protecting unit head, extend the application life of unit head, and then improve the operating efficiency of complete machine.When covering layer drive sampling in the Quaternary Period, this unit head can adopt the mode of static pressure and vibro-drilling sampling, does not need flushing liquor, can obtain high-quality undisturbed sample.When lithostratigraphy drive sampling, this unit head can adopt revolution, the vibration+pivotal mode of creeping into realizes fast drilling sampling, expands the compliance of formation.
Accompanying drawing explanation
Fig. 1 is the front view of Novel power head of the present invention;
Fig. 2 is the top view of Novel power head of the present invention;
Fig. 3 is the vertical cross-sectional of unit head vibrator of the present invention;
Fig. 4 is the forced synchronism mechanism map of unit head vibrator of the present invention;
Fig. 5 is the transverse sectional view of unit head vibrator of the present invention.
Detailed description of the invention
Embodiment:
Consult Fig. 1 and Fig. 2, a kind of novel hydraulic Action of Superhigh Frequency Vibration unit head of the present invention, comprises rotary motor 1, damping type shaft coupling 2, unit head framework 3, vibrator 4, main shaft 5 and damping rubber block 7.It is characterized in that: rotary motor 1 is arranged on unit head framework 3 upper end, accompanies rubber damping pad 6 between the two, with separating vibration.Main shaft about 5 is through in vibrator 4, and the symmetrical lateral arrangement of damping rubber block 7, on vibrator 4, is connected with unit head framework 3 by bolt, as the main vibration damping mode of this unit head.The backboard of unit head framework 3 is connected with the slide plate on drilling machine mast by bolt, realizes the whole slide of unit head.
Consult shown in Fig. 3, Fig. 4, Fig. 5, vibrator 4 involving vibrations device casing 401, high-speed motor 402 and eccentric shaft 403.Vibrator box 401 front end face symmetry is installed two high-speed motor 402, first eccentric shaft/the second eccentric shaft 403 lateral symmetry and is arranged, mechanical gear drive between the two, is supported by high-speed bearing 404, realizes respective independent operation.Vibrator 4 vertically installs main shaft 5, and main shaft 5 step respectively arranges a thrust force aligning bearing 405 up and down, and bearing 405 is above fixed and clamped by two left-handed locknuts 406, prevents floating bearing to shake pine.
Lazy-tongs are placed in vibrator 4 behind, comprise synchronous wheel shaft 407, the first/the second synchronizing wheel 408, Timing Belt 409, guide wheel shaft 410, the first/the second directive wheel 411 and contact roller 412.High-speed motor 402 drives eccentric shaft 403 by key, eccentric shaft 403 drives synchronous wheel shaft 407 by key, synchronous wheel shaft 407 drives synchronizing wheel 408 by key, synchronizing wheel 408 drives Timing Belt 409 to realize the reverse constant speed rotation of two synchronizing wheels 408, and then drive the reverse constant speed rotation of eccentric shaft 403, realize the self-synchronous vibration of vibrator 4.Timing Belt 409 operate a period of time lax after, adjust the elasticity of Timing Belt 409 by contact roller 412.
High-speed bearing cooling and lubricating mechanism comprises high-speed bearing 404, air filter 413 and the suction impeller 414 of being with self-lubricating function.High-speed bearing 404 selects the bearing of import band self-lubricating function.High-speed motor 402 drives eccentric shaft 403 and suction impeller 414 to rotate, suck outside air, air enters in the cavity of eccentric shaft 403 via air filter 413, elongated hole 415, toroidal cavity 416, thus cooling high-speed bearing 404, discharge along former passage after Air flow bearing.
Damper mechanism comprises the damping rubber block 7 of rubber damping pad 6, damping type shaft coupling 2 and vibrator side, and rubber damping pad 6 is placed between rotary motor 1 and unit head framework 3, is used for absorbing the vibration of unit head framework 3.Damping type shaft coupling 2 is placed between rotary motor 1 and main shaft 5, is used for absorbing the vibration of main shaft 5.The damping rubber block 7 of vibrator 4 side as the main damping element of this unit head, the vibration be used between separating vibration device 4 and unit head framework 3.By these three kinds of vibration damping combinations, each component of energy available protecting unit head, extend the application life of unit head.
In the present invention, when creeping in covering layer the Quaternary Period, preferential use static pressure and vibro-drilling sampling mode: when unit head creeps into downwards, chain backboard is pulled by feeding oil cylinder, and then pull unit head framework 3, pass to side damping rubber block 7, vibrator 4 and main shaft 5 successively, then be delivered to drilling rod, drilling tool, drilling tool creeps into downwards under the effect feeding static pressure, realizes drive sampling; When creeping into that resistance is comparatively large, drilling depth slowly or not drilling depth time, Vibration on Start-up device, vibration frequency is up to 150 ~ 200Hz, vibration force is up to more than 110kN, drive drilling rod, drilling tool creep into downwards, simultaneously when vibration frequency and vibrator and drilling rod intrinsic frequency close to or equal time, in drilling rod, produce standing wave resonance, realize fast drilling or sampling.This drilling method does not use circulation fluid, and without the need to drill string rotating, to sample and environmental nonpollution, sampling quality is high, and sample disturbance is little, can carry out meticulous reconnoitring by formation sample.
When upwards carrying brill, the pulling force feeding oil cylinder upwards passes to unit head framework 3, side damping rubber block 7, vibrator 4 and main shaft 5 successively, then is delivered to drilling rod, drilling tool.When drilling tool jam, Vibration on Start-up device upwards vibrates, and under the acting in conjunction of upwards vibration force and pulling force, extracts drilling tool and obtains high-quality sample.
In the present invention, when lithostratigraphy is crept into, this unit head can adopt the method for rotary drilling: rotary motor 1 is rotated by damping type shaft coupling 2 drive shaft 5, and then drives drill string rotating, can be realized the rotary drilling of mud circulation by outer connected with water faucet.While rotary drilling, open vibrator, vibration+pivotal compound drilling sampling can also be realized, improve drilling efficiency further.
The present invention adopts novel super-high frequency vibration power head structure and damper mechanism pattern, and each component of energy available protecting unit head, extend the application life of unit head, and then improve the operating efficiency of complete machine.
Above-listed detailed description is illustrating for possible embodiments of the present invention, and this embodiment is also not used to limit the scope of the claims of the present invention, and the equivalence that all the present invention of disengaging do is implemented or changed, and all should be contained in the scope of the claims of this case.
Claims (5)
1. a novel hydraulic Action of Superhigh Frequency Vibration unit head, the vibrator comprising unit head framework, be placed in the rotary motor of unit head framework upper end, connected with unit head framework by the damping rubber block of lateral arrangement and run through the main shaft that vibrator connected with this rotary motor by shaft coupling; It is characterized in that:
Described vibrator involving vibrations device casing, lateral symmetry be arranged in band first synchronizing wheel in vibrator box the first eccentric shaft and band the second synchronizing wheel the second eccentric shaft, for driving the high-speed motor of eccentric shaft and making the lazy-tongs of the reverse constant speed rotation of two eccentric shafts;
These lazy-tongs comprise Timing Belt, the first directive wheel and the second directive wheel; This Timing Belt is pile warp first synchronizing wheel successively, the first directive wheel, the second synchronizing wheel, and the second directive wheel.
2. novel hydraulic Action of Superhigh Frequency Vibration unit head according to claim 1, is characterized in that: on described vibrator box, be provided with the contact roller regulating described tightness of synchronous belt.
3. novel hydraulic Action of Superhigh Frequency Vibration unit head according to claim 1 and 2, is characterized in that: be provided with suction impeller in the end of described eccentric shaft, in described vibrator box, is provided with toroidal cavity; Be provided with air filter at suction impeller air outlet, air filter is communicated with toroidal cavity by elongated hole, the hole link of this toroidal cavity and eccentric shaft.
4. novel hydraulic Action of Superhigh Frequency Vibration unit head according to claim 1, is characterized in that: be provided with rubber damping pad between described unit head framework and described rotary motor.
5. novel hydraulic Action of Superhigh Frequency Vibration unit head according to claim 1, is characterized in that: be provided with ring-shaped step in the middle part of described main shaft, is provided with thrust force aligning bearing above and/or under this step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510664532.XA CN105201407B (en) | 2015-10-14 | 2015-10-14 | A kind of novel hydraulic Action of Superhigh Frequency Vibration unit head |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510664532.XA CN105201407B (en) | 2015-10-14 | 2015-10-14 | A kind of novel hydraulic Action of Superhigh Frequency Vibration unit head |
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| CN105201407A true CN105201407A (en) | 2015-12-30 |
| CN105201407B CN105201407B (en) | 2018-01-02 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854175A (en) * | 2019-03-17 | 2019-06-07 | 东北石油大学 | Region resonant mode drilling rig and its boring method |
| CN110185395A (en) * | 2019-07-02 | 2019-08-30 | 中国地质大学（北京） | The double eccentric acoustic vibration drilling drivers of high frequency and its vibration-proof structure |
| CN110359845A (en) * | 2019-07-30 | 2019-10-22 | 南京贻润环境科技有限公司 | A kind of synchronization mechanism and its audio frequency brill boring eccentric wheel for audio frequency |
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| CN201826836U (en) * | 2010-04-29 | 2011-05-11 | 北京探矿工程研究所 | Audio frequency vibrating head for sampling drilling machine |
| CN102900354A (en) * | 2012-05-23 | 2013-01-30 | 中煤地第二勘探局有限责任公司 | Hydraulic superhigh-frequency vibrating power head |
| CN203097707U (en) * | 2013-01-16 | 2013-07-31 | 湖南科技大学 | Full-hydraulic vibration rotation coring power head |
| CN203248063U (en) * | 2013-05-17 | 2013-10-23 | 涿州市海德机械设备有限公司 | Audio-frequency vibration power head and tractor drilling machine comprising same |
| CN205047156U (en) * | 2015-10-14 | 2016-02-24 | 中煤地第二勘探局有限责任公司 | Novel super high -frequency vibration unit head of hydraulic pressure |
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2015
- 2015-10-14 CN CN201510664532.XA patent/CN105201407B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201826836U (en) * | 2010-04-29 | 2011-05-11 | 北京探矿工程研究所 | Audio frequency vibrating head for sampling drilling machine |
| CN102900354A (en) * | 2012-05-23 | 2013-01-30 | 中煤地第二勘探局有限责任公司 | Hydraulic superhigh-frequency vibrating power head |
| CN203097707U (en) * | 2013-01-16 | 2013-07-31 | 湖南科技大学 | Full-hydraulic vibration rotation coring power head |
| CN203248063U (en) * | 2013-05-17 | 2013-10-23 | 涿州市海德机械设备有限公司 | Audio-frequency vibration power head and tractor drilling machine comprising same |
| CN205047156U (en) * | 2015-10-14 | 2016-02-24 | 中煤地第二勘探局有限责任公司 | Novel super high -frequency vibration unit head of hydraulic pressure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854175A (en) * | 2019-03-17 | 2019-06-07 | 东北石油大学 | Region resonant mode drilling rig and its boring method |
| CN110185395A (en) * | 2019-07-02 | 2019-08-30 | 中国地质大学（北京） | The double eccentric acoustic vibration drilling drivers of high frequency and its vibration-proof structure |
| CN110359845A (en) * | 2019-07-30 | 2019-10-22 | 南京贻润环境科技有限公司 | A kind of synchronization mechanism and its audio frequency brill boring eccentric wheel for audio frequency |
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| Publication number | Publication date |
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| CN105201407B (en) | 2018-01-02 |
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Inventor after: Wang Tong Inventor after: Liu Qinxue Inventor after: Zhou Jing Inventor after: Zhao Xiaodong Inventor after: Li Wei Inventor after: Wu Hao Inventor before: Liu Qinxue Inventor before: Zhao Xiaodong Inventor before: Wu Hao |