CN101187290A - Non-dredging guiding driller dynamic head main spindle - Google Patents
Non-dredging guiding driller dynamic head main spindle Download PDFInfo
- Publication number
- CN101187290A CN101187290A CNA200710302460XA CN200710302460A CN101187290A CN 101187290 A CN101187290 A CN 101187290A CN A200710302460X A CNA200710302460X A CN A200710302460XA CN 200710302460 A CN200710302460 A CN 200710302460A CN 101187290 A CN101187290 A CN 101187290A
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- mandrel
- floating
- drive sleeve
- unsteady
- core shaft
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Abstract
A main shaft of a motor head of a no dig guiding driller comprises a driving sleeve which is butt jointed with a driving system, a floating core shaft which is arranged in the driving sleeve, which is slideably matched with an inner hole of the driving sleeve, a transmission torsion splined hub which is fixedly and hard connected with the bottom of the driving sleeve, the transmission torsion splined hub is engaged with an outer spline on the lower portion of the floating core shaft to transmit torque, meanwhile the corn shaft achieves upper and lower floating along the spline, and a floating distance limiting mechanism is arranged between the floating core shaft and the driving sleeve. The torque is transferred to the floating core shaft through an output flange and the transmission torsion splined hub by adopting a core shaft floating way, the return rotating of a drilling tool is achieved by a drill rod of a damageable short segment of the floating core shaft, the core shaft which has no middle transmission step can directly float, and the floating range is bigger than a traditional motor head floating way, the motor head which is fed or back dragged can stay on any position to guarantee the reliability of floating. Centring accuracy is high, a main shaft is not suppressed when the drill rod is detached, and the main shaft is easy to be centered when the drill rod is mounted.
Description
Technical field
The present invention relates to a kind of non-dredging guiding driller, particularly a kind of non-dredging guiding driller dynamic head main spindle.
Background technology
The unit head of non-dredging guiding driller is the gyration hydraulic motor on the one hand, is delivered to main shaft by reducing gear, makes axle drive drilling rod, drilling tool revolution with nominal torque, plays cutting, cuts and produce the function in circular cross-section hole; Be that the active force of apparatus for feeding is affacted on unit head casing, main shaft bearing and the main shaft by transmission device on the other hand, by moving forward and backward of unit head, the final drive is contained on the main shaft and can advances with the drill rod boring tool of main axis rotation or retreat, make the circular cross-section hole constantly extend and enlarge gradually, thereby realize the purpose of trenchless engineering construction.
The working non-excavation drilling rod of non-dredging guiding driller is one of one of 3m or 6m, revolution with the rig main shaft, constantly feeding of unit head, need to connect, tighten by root, become the drilling system of an integral body, the screw buckle that drilling rod connects tightens or unloads in the open procedure, and axial dimension changes, and axial force can be with unit head to advance or retreat.Original unit head is to feed and return to drag power to drilling tool is provided as the active force element, now because the axial force that last button or shackle produce, make unit head become load, wanting passive retreats or advances, unit head is connected with the motor that power source is provided and slows down to feed back and drag mechanism or oil cylinder chain times speed to feed back-dragging device, belong to hard the connection, can not satisfy construction requirement and actual demand, this has just proposed the requirement that unit head should have floating installation to unit head design.
The form of unit head floating installation of the prior art as: 1, the unit head bottom half has the sliding guide structure.2, the unit head bottom is furnished with unit head drawing frame structure that separate, that unit head can slide in the above.3, increase electromagnetic valve or pilot operated valve device, utilize the flow direction that changes hydraulic oil to reach motor with changeing the mode of floating.The shortcoming of above-mentioned unit head floating construction is: 1. floating construction is arranged on the unit head casing with on the relative position of planker, control crank makes planker move the drive unit head and moves, upward, when unloading drilling rod, to move to planker on the unsteady opposite direction of unit head earlier, float function is just arranged, loaded down with trivial details in the manipulation, do anti-easily, cause maloperation, cause drill rod thread button, axis system, the stressed overload of planker system rigidity spare and damage.2. the spigot surface gap is big, swings, and easily generation can not centering, and out splice going splice is to buckling less than drilling rod when causing the drilling rod button, and the need human intervention just can align and go up button.3. domain of walker is little, and accuracy is poor, needs repeatable operation and adjustment back and forth, the inefficiency of construction.4. adjust the main shaft gyration motor with hydraulic valve on the hydraulic system, preceding motor adds the back motor or 4 motors are all realized unloading floating of tipping in, oil circuit is too complicated, link is too many, increase the trouble point, and breaking down is difficult for solving on-site, and perhaps the machine user not can not solve owing to not possessing hydraulic pressure ABC.5. because float and centering, positioning accuracy poor, out splice going splice, the as easy as rolling off a log damage of drilling rod button, even the whole circle of screw buckle takes place easily carry off the button phenomenon.
Summary of the invention
The technical problem to be solved in the present invention is at the deficiencies in the prior art, has proposed a kind of flexible operation, centering precision height, the non-dredging guiding driller dynamic head main spindle of the reliability that can guarantee to float.
The technical problem to be solved in the present invention is achieved through the following technical solutions, and a kind of non-dredging guiding driller dynamic head main spindle is characterized in: comprise a drive sleeve, the middle part of drive sleeve is fixed with travelling gear, so that dock with transmission system;
A unsteady mandrel, unsteady mandrel is located in drive sleeve, and is slidingly matched with the drive sleeve endoporus, and the center of the mandrel that floats is provided with the through hole that mud moves up and down;
A torsion pass spline housing, the torsion pass spline housing is connected firmly with the bottom of above-mentioned drive sleeve is fixing, and the torsion pass spline housing cooperates transfer torque with the external splines that is arranged on unsteady mandrel bottom, and the while mandrel can fluctuate along the spline realization of its cooperation;
Between unsteady mandrel and drive sleeve, be provided with the distance of floating and limit mechanism.
The technical problem to be solved in the present invention can also come by the following technical programs further to realize that described unsteady distance limits mechanism and comprises the limited block that is arranged on the mandrel top of floating and be arranged on the spacing shaft shoulder in mandrel bottom that floats.
The technical problem to be solved in the present invention can also come by the following technical programs further to realize that for assembly technology needs, fix an output flange in the bottom of drive sleeve, dock with output flange on the top of described torsion pass spline housing.
The technical problem to be solved in the present invention can also be come further realization by the following technical programs, and the bottom of the mandrel that floats is provided with the interface that connects the rapid wear pipe nipple, and the upper end of the mandrel that floats is provided with mud and mixes the importing joint.
The mode that the unsteady employing axle of unit head of the present invention is floated, moment of torsion passes to unsteady mandrel by output flange, torsion pass spline housing, realizes the revolution of drilling tool by the drilling rod of the mandrel rapid wear pipe nipple that floats; Go up according to the construction needs buckle, shackle drilling rod up and down, hole subdrilling tool is subjected to complicated main transformer stress and pipeline hole curvilinear path influences and can not turn round and move, and unloads drilling rod, unit head, main shaft etc. at this moment and becomes passive beaer.Go up button during last drilling rod, the mandrel that floats advances by pulling force, shackle when unloading drilling rod, unsteady mandrel is retreated by thrust, thereby realizes the functional requirement of floating.Compared with prior art, the advantage of mandrel floating structure is: 1, the drilling rod button on the mandrel directly is connected with drill rod boring tool by the rapid wear pipe nipple, and mandrel directly floats, no middle transition link, forward and reverse tight when last button, shackle, more flexible in the operation, simple and direct, rapider, more accurate.2, domain of walker is bigger than traditional unit head ralocatable mode, and unit head feeds, return to drag and rest on any position and can both guarantee the reliability of floating.3, unsteady mandrel front end adopts involute spline centering torsion pass and floating guiding.The centering precision height can guarantee the axiality of drilling rod and main shaft under the dynamic loading, the main shaft of not spraining when unloading drilling rod, easy centering when going up drilling rod.4, be convenient to front-end of spindle and arrange wired guidance system, rear-end of spindle arranges that mud mixes and importing, and the two is arranged apart, has avoided interfering with each other, and wired guiding construction is convenient.5, observation is convenient, and fine motion is operated freely.
Description of drawings
Fig. 1 is a structure diagram of the present invention.
The specific embodiment
A kind of non-dredging guiding driller dynamic head main spindle comprises that drive sleeve 5, unsteady mandrel 2, torsion pass spline housing 3 and the distance of floating limit mechanism.
The middle part of drive sleeve 5 is fixed with travelling gear 1, so that dock with transmission system; The mandrel 2 that floats is located in drive sleeve 5, and is slidingly matched with drive sleeve 5 endoporus, and the center of the mandrel 2 that floats is provided with the through hole 7 that mud moves up and down; The bottom of unsteady mandrel 2 is provided with the interface that connects rapid wear pipe nipple 10, and the upper end of the mandrel 2 that floats is provided with mud and mixes importing joint 9.Torsion pass spline housing 3 is connected firmly with the bottom of above-mentioned drive sleeve 5 is fixing, and torsion pass spline housing 3 cooperates transfer torque with the external splines that is arranged on unsteady mandrel 2 bottoms, and while mandrel 2 can fluctuate along the spline realization of its cooperation; Between unsteady mandrel 2 and drive sleeve 5, be provided with the distance of floating and limit mechanism.Described unsteady distance limits mechanism and comprises the limited block 6 that is arranged on mandrel 2 tops of floating and be arranged on the spacing shaft shoulder 8 in mandrel 2 bottoms that floats, limited block 6 is set to adjustable nut form, forms on the cylinder on the pillow block of one with the spacing shaft shoulder 8 involute spline is set.For assembly technology needs, fix an output flange 4 in the bottom of drive sleeve 5, dock with output flange 4 on the top of described torsion pass spline housing 3.Drive sleeve 5 needs to pack into downwards from top, to pass from bearing inner race,, just need install output flange 4 additional in the bottom of drive sleeve 5 so will realize docking of drive sleeve 5 and torsion pass spline housing 3, also be connected between output flange 4 and the drive sleeve 5, pass through screw then by spline.
Hollow is floated mandrel 2 by the involute spline torsion pass, and the rear end is equipped with to feel relieved and is provided with overload protection arrangement between copper sheathing, output flange 4 and the torsion pass spline housing 3 that supports, and can effectively protect the safety of unit head and hydraulic work system.Bearing and the pillow block shaft shoulder of drive sleeve 5 by two-way installation bears and all feeds back the pulling force that drags.Moment of torsion passes to the mandrel 2 that floats by output flange 4, torsion pass spline housing 3, realizes the revolution of drilling tool by the drilling rod of the mandrel 2 rapid wear pipe nipples 10 that float; Feed pull-back force by main shaft pillow block, the shaft shoulder stop nut, locknut, the drilling rod button of float mandrel and rapid wear pipe nipple realizes moving forward and backward of drilling tool.Go up according to the construction needs buckle, shackle drilling rod up and down, hole subdrilling tool is subjected to complicated main transformer stress and pipeline hole curvilinear path influences and can not turn round and move, and unloads drilling rod, unit head, main shaft etc. at this moment and becomes passive beaer.Go up button during last drilling rod, the mandrel 2 that floats advances by pulling force, shackle when unloading drilling rod, the mandrel 2 that floats is retreated by thrust, thereby realizes the functional requirement of floating.
Claims (4)
1. non-dredging guiding driller dynamic head main spindle is characterized in that:
Comprise a drive sleeve (5), the middle part of drive sleeve (5) is fixed with travelling gear (1), so that dock with transmission system;
A unsteady mandrel (2), the mandrel (2) that floats is located in drive sleeve (5), and is slidingly matched with drive sleeve (5) endoporus, and the center of the mandrel (2) that floats is provided with the through hole (7) of mud operation;
A torsion pass spline housing (3), torsion pass spline housing (3) is connected firmly with the bottom of above-mentioned drive sleeve (5) is fixing, torsion pass spline housing (3) cooperates transfer torque with the external splines that is arranged on unsteady mandrel (2) bottom, and mandrel (2) is realized fluctuating along the spline of its cooperation simultaneously;
Between unsteady mandrel (2) and drive sleeve (3), be provided with the distance of floating and limit mechanism.
2. non-dredging guiding driller dynamic head main spindle according to claim 1 is characterized in that: described unsteady distance limits mechanism and comprises the limited block (6) that is arranged on unsteady mandrel (2) top and be arranged on the spacing shaft shoulder in unsteady mandrel (2) bottom (8).
3. non-dredging guiding driller dynamic head main spindle according to claim 1 is characterized in that: fix an output flange (4) in the bottom of drive sleeve (5), dock with output flange (4) on the top of described torsion pass spline housing (3).
4. non-dredging guiding driller dynamic head main spindle according to claim 1 is characterized in that: the bottom of the mandrel (2) that floats is provided with the interface that connects the rapid wear pipe nipple, and the upper end of the mandrel (2) that floats is provided with mud and mixes importing joint (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200710302460XA CN101187290A (en) | 2007-12-22 | 2007-12-22 | Non-dredging guiding driller dynamic head main spindle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200710302460XA CN101187290A (en) | 2007-12-22 | 2007-12-22 | Non-dredging guiding driller dynamic head main spindle |
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| Publication Number | Publication Date |
|---|---|
| CN101187290A true CN101187290A (en) | 2008-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA200710302460XA Pending CN101187290A (en) | 2007-12-22 | 2007-12-22 | Non-dredging guiding driller dynamic head main spindle |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102400641A (en) * | 2011-11-07 | 2012-04-04 | 连云港天明装备有限公司 | Floating device of drilling machine |
| CN102400642A (en) * | 2011-12-12 | 2012-04-04 | 山东省水利科学研究院 | Drilling rotary swing power head for high pressure jet grouting |
| CN102844160A (en) * | 2010-04-14 | 2012-12-26 | 安德斯·约翰森 | A machining assembly with the transmission adjustable into different positions |
| CN103089144A (en) * | 2011-11-08 | 2013-05-08 | 玉柴重工（常州）有限公司 | Buffer power head for horizontal directional drilling machine |
| CN103557018A (en) * | 2013-10-31 | 2014-02-05 | 北方重工集团有限公司 | Multifunctional rock tunnel borer jumbolter rotation rack |
| CN104499934A (en) * | 2014-12-01 | 2015-04-08 | 无锡市钻通工程机械有限公司 | Power head floating device for trenchless pipe laying drilling machine |
| CN105275395A (en) * | 2015-11-17 | 2016-01-27 | 恒天九五重工有限公司 | Power head structure for horizontal directional drill |
| CN105386718A (en) * | 2015-12-10 | 2016-03-09 | 重庆铁木科技发展有限公司 | All-hydraulic drill power head with double shafts |
| CN106869779A (en) * | 2017-04-06 | 2017-06-20 | 张家港保税区永大机械有限公司 | A kind of efficient hydraulic rotary power head |
| CN106930683A (en) * | 2017-04-06 | 2017-07-07 | 张家港保税区永大机械有限公司 | A kind of hydraulic rotating unit head |
| CN107288537A (en) * | 2017-07-31 | 2017-10-24 | 深圳市钻通工程机械股份有限公司 | A kind of twin shaft transfer drilling rig |
| CN114941501A (en) * | 2022-07-25 | 2022-08-26 | 无锡市钻通工程机械有限公司 | Modular directional rig of non-excavation level |
-
2007
- 2007-12-22 CN CNA200710302460XA patent/CN101187290A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102844160A (en) * | 2010-04-14 | 2012-12-26 | 安德斯·约翰森 | A machining assembly with the transmission adjustable into different positions |
| CN102400641A (en) * | 2011-11-07 | 2012-04-04 | 连云港天明装备有限公司 | Floating device of drilling machine |
| CN103089144A (en) * | 2011-11-08 | 2013-05-08 | 玉柴重工（常州）有限公司 | Buffer power head for horizontal directional drilling machine |
| CN102400642A (en) * | 2011-12-12 | 2012-04-04 | 山东省水利科学研究院 | Drilling rotary swing power head for high pressure jet grouting |
| CN103557018A (en) * | 2013-10-31 | 2014-02-05 | 北方重工集团有限公司 | Multifunctional rock tunnel borer jumbolter rotation rack |
| CN104499934B (en) * | 2014-12-01 | 2016-08-17 | 无锡市钻通工程机械有限公司 | Non-excavation pipe-laying drilling rig unit head floating installation |
| CN104499934A (en) * | 2014-12-01 | 2015-04-08 | 无锡市钻通工程机械有限公司 | Power head floating device for trenchless pipe laying drilling machine |
| CN105275395A (en) * | 2015-11-17 | 2016-01-27 | 恒天九五重工有限公司 | Power head structure for horizontal directional drill |
| CN105386718A (en) * | 2015-12-10 | 2016-03-09 | 重庆铁木科技发展有限公司 | All-hydraulic drill power head with double shafts |
| CN106869779A (en) * | 2017-04-06 | 2017-06-20 | 张家港保税区永大机械有限公司 | A kind of efficient hydraulic rotary power head |
| CN106930683A (en) * | 2017-04-06 | 2017-07-07 | 张家港保税区永大机械有限公司 | A kind of hydraulic rotating unit head |
| CN106930683B (en) * | 2017-04-06 | 2020-04-21 | 张家港保税区永大机械有限公司 | Hydraulic rotary power head |
| CN107288537A (en) * | 2017-07-31 | 2017-10-24 | 深圳市钻通工程机械股份有限公司 | A kind of twin shaft transfer drilling rig |
| CN107288537B (en) * | 2017-07-31 | 2024-01-12 | 深圳市钻通工程机械股份有限公司 | Double-shaft transfer drilling device |
| CN114941501A (en) * | 2022-07-25 | 2022-08-26 | 无锡市钻通工程机械有限公司 | Modular directional rig of non-excavation level |
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Open date: 20080528 |