CN102979454A - Reverse circulation drill for geological prospecting, and power head thereof - Google Patents
Reverse circulation drill for geological prospecting, and power head thereof Download PDFInfo
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- CN102979454A CN102979454A CN2012105159299A CN201210515929A CN102979454A CN 102979454 A CN102979454 A CN 102979454A CN 2012105159299 A CN2012105159299 A CN 2012105159299A CN 201210515929 A CN201210515929 A CN 201210515929A CN 102979454 A CN102979454 A CN 102979454A
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- 230000002441 reversible effect Effects 0.000 title abstract description 5
- 238000007789 sealing Methods 0.000 claims abstract description 37
- 238000012856 packing Methods 0.000 claims description 7
- 230000001154 acute effect Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000005553 drilling Methods 0.000 abstract description 37
- 238000000034 method Methods 0.000 abstract description 8
- 238000005070 sampling Methods 0.000 abstract description 3
- 239000002893 slag Substances 0.000 abstract 1
- 239000011435 rock Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000009527 percussion Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 210000004907 gland Anatomy 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 102000016938 Catalase Human genes 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention provides a reverse circulation drill for geological prospecting, and a power head of the reverse circulation drill. The reverse circulation drill for geological prospecting is high in drilling efficiency. The power head comprises a rotating joint, a rotary box and a gas distributor, wherein the rotating joint, the rotary box and the gas distributor respectively comprise a rotating shaft, a main shaft and a mandrel which are hollow shafts arranged in a coaxial through way and are sequentially connected in a sealing way; the outer end of the rotating shaft is provided with a slag discharge hole; the main shaft is connected with a driving motor; the mandrel is internally provided with an inner tube in a coaxial way; the inner end of the inner tube is connected with the inner wall of the mandrel in a sealing way; the inner end of the inner tube is communicated with a hollow part of the main shaft is through; the outer diameter of the inner tube is smaller than the inner diameter of the mandrel; and at least one air inlet is arranged along the circumferential direction of the inner end of the mandrel, and compressed air enters the mandrel from through the air inlet. All the parts of the power head are independent of one another, so that the power head is convenient to assemble and disassemble; therefore, the sampling process is simplified, the quality of a sample is guaranteed, and the exploration efficiency is improved.
Description
Technical field
The present invention relates to the geological exploration techniques field, particularly relate to a kind of unit head for clean-out machine.The invention still further relates to a kind of clean-out machine with above-mentioned unit head.
Background technology
In geological prospecting, unit head is the vitals of rig, and its Main Function is for driving the drilling rod rotation, moment of torsion being delivered to drill bit by drilling rod, the purpose of advancing to reach brokenly churn drill.
Existing exploration is mainly rock-core borer with rig, utilize the gyroscopic action of overman bit to cut, grind rock, and constantly creep into to extract rock core to the deep, because existing rock-core borer mainly utilizes the technique that grinds to carry out drilling, its time of expending is longer, inefficiency can not satisfy the requirement of duration.
And percussion reverse circulation drill has percussion, utilizes drill hammer (being drilling tool) that rock is carried out the impact of upper frequency, thereby with catalase, the mode of then utilizing anti-circulation deslagging is in time outside the landwaste tap with fragmentation.And unit head promotes and descends along dedicated track, so its trip-out and lower brill are all more convenient, has greatly shortened non-cutting time, efficient that can the Effective Raise drilling.
But, existing clean-out machine is take water drilling rig as main, its working method is for squeezing into mud between drilling rod and boring, then extract out from drilling rod is inner, this kind rig is because when mud drilling, sealing ring is wearing and tearing constantly, such as untimely replacing, mud will seepage enter in bearing bore and the casing, affects the application life of bearing and gear.The more important thing is that in the process of creeping into, landwaste can be discharged from drilling rod is inner together in company with mud, has mixed the very difficult sample as geological prospecting of mud landwaste afterwards, it can not be used for geological prospecting.
Therefore, how designing a kind of clean-out machine that can be used in geological prospecting, to improve sampling efficiency and purity, is the present technical issues that need to address of those skilled in the art.
Summary of the invention
The unit head that the purpose of this invention is to provide a kind of clean-out machine, the efficient of its drilling is higher.
Another object of the present invention provides a kind of clean-out machine with used for geological prospecting of above-mentioned unit head, can efficiently extract easily the drilling sample.
For solving the problems of the technologies described above, the invention provides a kind of unit head of clean-out machine, described unit head comprises swivel joint, revolution case and gas distributor, described swivel joint, revolution case and gas distributor comprise respectively axis of rotation, main shaft and mandrel, described axis of rotation, main shaft and mandrel are the hollow shaft that coaxial perforation arranges, and the three is tightly connected successively, the outer end of described axis of rotation is provided with slag-drip opening, described main shaft links to each other with CD-ROM drive motor, be provided with coaxially inner tube with it in the described mandrel, the inner of described inner tube is connected with the inner wall sealing of described mandrel, and connect with the hollow bulb of described main shaft, the external diameter of described inner tube is less than the internal diameter of described mandrel, and the inner of described mandrel circumferentially is distributed with the air inlet port that at least one enters for the compression air along it.
Unit head of the present invention is provided with gas distributor, because the inner of inner tube and the inner tubal wall of mandrel are tightly connected, when the air inlet port of compressed air by mandrel enters, can enter the space in mandrel inboard, the inner tube outside, and the inner of inner tube sealing, then compressed air can only to the outer end motion of mandrel and inner tube, then progressively arrive at the bottom of the hole; Under the percussion of impactor, rock at the bottom of the hole can brokenly form rubble, these rubbles are under compressed-air actuated pressure promotes, discharge by the inner tube of mandrel, the cavity of main shaft and the cavity of axis of rotation successively, operating personnel just can collect sample from slag-drip opening, not only guarantee to take the quality of sample, also simplified the process of sampling, improved exploration efficiency; Adopt the drilling mode of impact type can Effective Raise drilling efficient, through evidence, the drilling efficient of unit head of the present invention be more than ten times of conventional equipment; In addition, the present invention is divided into swivel joint, revolution case and three parts of gas distributor that connect successively with whole unit head, and various piece is relatively independent, not only so that the assembly and disassembly of whole unit head are more convenient, can also guarantee the formedness that seals.
Preferably, described air inlet port is 4 ~ 8, and circumferentially evenly distributing along described mandrel.
The even distribution of air inlet port can improve the uniformity that gas distributes at the inner tube outside, mandrel inner space, and then improves the impact force harmony circumferential in the hole when punching, and avoids occurring the too small problem of local assault power.
Preferably, each described air inlet port all is oval poroid setting, and the length direction of described slotted hole is the axial of described mandrel.
Because axially being consistent of the direction that its aperture is larger and mandrel, and the space of the inner tube outside, mandrel inboard is comparatively narrow and small, this space also is axially extended along mandrel, so when air inlet port adopted oval poroid the setting, to enter the resistance that produces less to compressed-air actuated for it.
Preferably, described main shaft is engaged with two pinions by gear wheel, and each described pinion all is connected with CD-ROM drive motor.
Preferably, two described pinions are symmetrical arranged in vertical plane, and both and vertical direction are the acute angle setting.Motor can adopt the mode that is obliquely installed, the area that takies to reduce it, and then dwindle the volume of unit head integral body; And CD-ROM drive motor is connected on two pinions, and then two CD-ROM drive motors are relatively independent, and its control and operation are more simple.
Preferably, described CD-ROM drive motor is the cycloidal type hydraulic motor.The cycloidal type hydraulic motor is low-speed big torque motor, can satisfy preferably the demand of drilling, so that unit head can be realized stepless speed regulation, the adjusting range of its rotating speed is wider, and the moment of torsion that can realize is larger, thereby satisfies multiple drilling technology to the demand of rotating speed.
Preferably, the outer end of described axis of rotation is set with sealing shroud, is filled with packing between described sealing shroud and the described axis of rotation.Sealing shroud and packing can effectively play sealing and dustproof effect, to guarantee that compressed air normally moves, can also prevent that the sample in the swivel joint from being polluted.
Preferably, the outer end of described sealing shroud also is provided with terminal pad, and described terminal pad is connected with scum pipe.Adopt terminal pad to link to each other with outside scum pipe, can further guarantee the sealing of axis of rotation inner chamber body, and be convenient to installation and removal.
Preferably, described gas distributor also is provided with the overcoat that is sleeved on described mandrel outside and the limiting plate that is fixedly connected with described overcoat, and described limiting plate is fixedly installed on the chassis of unit head.Limiting plate is fixedly connected with the chassis, and then can prevent that overcoat from following mandrel and rotating, and plays spacing fixation.
The present invention also provides a kind of clean-out machine of used for geological prospecting, has chassis and the unit head that is arranged on the described chassis, and described unit head is above-mentioned each described unit head.
Because clean-out machine of the present invention has above-mentioned each described unit head, so the beneficial effect that above-mentioned each described unit head has all is applicable to clean-out machine of the present invention, repeats no more herein.
Description of drawings
Fig. 1 is the structural representation of unit head provided by the present invention in a kind of specific embodiment;
Fig. 2 is the sectional view of a kind of set-up mode of gas distributor provided by the present invention;
Fig. 3 is the lateral view of gas distributor shown in Figure 2;
Fig. 4 is the sectional view of a kind of set-up mode of revolution case provided by the present invention;
Fig. 5 is the lateral view of revolution case shown in Figure 4;
Fig. 6 is the structural representation of a kind of set-up mode of swivel joint provided by the present invention;
Fig. 7 is the structural representation of the double-wall drill pipe that is used with unit head provided by the present invention.
The specific embodiment
Core of the present invention provides a kind of unit head of clean-out machine, and the efficient of its drilling is higher.
Another core of the present invention provides a kind of clean-out machine with used for geological prospecting of above-mentioned unit head, can efficiently extract easily the drilling sample.
In order to make those skilled in the art person understand better the present invention program, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 1, Fig. 1 is the structural representation of unit head provided by the present invention in a kind of specific embodiment.
In a kind of specific embodiment, the unit head of clean-out machine of the present invention comprises swivel joint 1, revolution case 2 and gas distributor 3, swivel joint 1 comprises axis of rotation 11, revolution case 2 comprises main shaft 21, gas distributor 3 comprises mandrel 31, and axis of rotation 11, main shaft 21 and mandrel 31 are tightly connected successively, and the coaxial setting of three, the three all has cavity, and three's hollow cavity runs through mutually; The outer end of axis of rotation 11 has slag-drip opening, in order to the sample that gathers is discharged; Main shaft 21 links to each other with CD-ROM drive motor 27, and under the driving of CD-ROM drive motor 27, main shaft 21 constantly rotates, and then driven rotary axle 11 and mandrel 31 rotations, finishes transfer of torque; Mandrel 31 internal sleeve are equipped with inner tube 32, inner tube 32 and mandrel 31 coaxial settings, and the inner tubal wall of the inner of inner tube 32 and mandrel 31 is tightly connected, because the external diameter of inner tube 32 is less than the internal diameter of mandrel 31, then in inner tube 32 outsides, mandrel 31 is inboard just can form a space, the inner in this space (being the inner of inner tube 32) seals; Inner tube 32 connects mutually with the hollow bulb of main shaft 21, and namely the inside of inner tube 32, main shaft 21 and axis of rotation 11 consists of the transfer pipeline of a UNICOM; The inner of mandrel 31 circumferentially is distributed with at least one air inlet port 311 along it, so that compressed air can enter by this air inlet port 311 inside of mandrel 31.
Inside and outside axis take whole unit head of the present invention is as reference, particularly, because swivel joint 1, revolution case 2 and gas distributor 3 coaxial settings, then a side or the end near the three axis is described inboard or the inner, correspondingly, a side or the end away from its axis is the described outside or outer end; At unit head radially, a side or an end of close its radial centre lines are described inboard or the inner, and its rightabout is the described outside or outer end.In the situation without specified otherwise, the present invention all adopts inside and outside above-mentioned definition defines.
Unit head of the present invention, comprise swivel joint 1, revolution case 2 and 3 three parts of gas distributor, three parts connect successively, and has each other certain independence, so that the assembly and disassembly of whole unit head are more convenient, can also guarantee good seal between axis of rotation 11, main shaft 21 and the mandrel 31, its structure setting is more reasonable; In addition, compared with prior art, the unit head of clean-out machine of the present invention also is provided with gas distributor 3, because the inner of inner tube 32 and the inner tubal wall of mandrel 31 are tightly connected, when the air inlet port 311 of compressed air by mandrel 31 enters, can enter the space in mandrel 31 inboards, inner tube 32 outsides, and the inner of inner tube 32 sealing, then compressed air can only to the outer end motion of mandrel 31 and inner tube 32, then progressively arrive at the bottom of the hole; Under the percussion of impactor, rock at the bottom of the hole can brokenly form rubble, these rubbles are under compressed-air actuated pressure promotes, discharge by the inner tube 32 of mandrel 31, the cavity of main shaft 21 and the cavity of axis of rotation 11 successively, operating personnel just can collect sample from slag-drip opening, not only can guarantee that then the sample of taking is not contaminated, also simplify the process of its collection, and then improved exploration efficiency; Through evidence, the drilling efficient of unit head of the present invention can reach more than ten times of conventional equipment.
For ease of the collection of sample, can connect the scum pipe (not shown) at the slag-drip opening place, sample is derived, further improve the convenience of operation.
Please refer to Fig. 2 and Fig. 3, Fig. 2 is the sectional view of a kind of set-up mode of gas distributor provided by the present invention; Fig. 3 is the lateral view of gas distributor shown in Figure 2.
The shape of the air inlet port 311 of gas distributor 3 of the present invention can be rule or irregular geometry, a kind of comparatively preferred embodiment in, air inlet port 311 can be set to slotted hole, the length direction of slotted hole can be with mandrel 31 axially identical so that compressed air successfully enters the small space of inner tube 32 outsides, mandrel 31 inboards; The number of air inlet port 311 can for one, two or more, obviously, what of air inlet port 311 numbers have close ties with its bore, when the bore of air inlet port 311 was larger, the air inlet port 311 of lesser amt just can satisfy the demands; A kind of preferred embodiment in, air inlet port 311 can be set to 4 ~ 8, and each air inlet port 311 all can adopt the shape setting of above-mentioned slotted hole, a plurality of air inlet ports 311 circumferentially evenly distribute along mandrel 31, to guarantee that compressed air is evenly distributed in the circumferential of inner tube 32 outsides, and then outwards impact with essentially identical speed, guarantee the stability of impact force and harmonious.
For compressed air being introduced mandrel 31 inboards, can be at blast connection 33 of mandrel 31 inner connections, the interface of blast connection 33 can be connected with the hollow cavity of mandrel 31, and the other end of blast connection 33 can be connected with air compressor machine, and the compressed air that then air compressor machine is produced constantly is transported to mandrel 31 inside in a steady stream.
In addition, be to realize the sealing of inner tube 32 and mandrel 31, can between the inwall of the inner of inner tube 32 and mandrel 31 sealing ring be set, O RunddichtringO 38 as shown in Figure 2 is to guarantee tightness between the two.
Mandrel 31 can be sleeved in the bearing and be located by connecting in order to realize it, a kind of preferred embodiment in, gas distributor 3 of the present invention also has mandrel overcoat 34, the outside of mandrel 31 can arrange deep groove ball bearing 35, integral assembling was in mandrel overcoat 34, as shown in Figure 2 after deep groove ball bearing 35 was located mandrel 31.
Can expect, gas distributor 3 of the present invention can also arrange limiting plate 36, limiting plate 36 is fixedly connected with mandrel overcoat 34, as shown in Figure 3, then, the bottom of limiting plate 36 and the chassis of unit head are (because the chassis is installed on the walking track of rig, not belonging to unit head provides the primary structure of power, so not shown) be fixedly connected with, because the chassis is static in the circumferential maintenance of unit head, and mandrel overcoat 34 keeps fixing by limiting plate 36 and chassis, and then mandrel overcoat 34 can not rotate with mandrel 31, thereby can play positioning action.
It will also be appreciated that gas distributor 3 can arrange special transit joint 37, in order to realize being connected of mandrel 31 and drilling rod; Obviously, arranging of transit joint 37 can also be played certain protective action to mandrel 31, avoids drilling rod to mandrel 31 injuries.
Please refer to Fig. 4 and Fig. 5, Fig. 4 is the sectional view of a kind of set-up mode of revolution case provided by the present invention; Fig. 5 is the lateral view of revolution case shown in Figure 4.
A kind of more preferred embodiment in, two pinions 24 can be symmetrically distributed in the vertical plane, and both and vertical direction are certain angle of inclination and arrange, this angle of inclination is acute angle, then whole revolution case 2 shared spaces reduce to some extent, and revolution case 2 is the larger parts of structure in the unit head, and that turns round case 2 volumes reduces so that the overall structure of unit head is more small and exquisite its small volume; Simultaneously, because two CD-ROM drive motors are connected with two pinions 24 respectively, then the control of CD-ROM drive motor is also relatively independent, and its connection and operation are more simple.
CD-ROM drive motor can be selected the motor of low-speed big, for example, can adopt the cycloidal type hydraulic motor, this motor can satisfy the demand of drilling preferably, so that unit head can be realized stepless speed regulation, the adjusting range of its rotating speed is wider, and the moment of torsion that can realize is larger, thereby satisfies multiple drilling technology to the demand of rotating speed.
Certainly, main shaft 21 can be connected with casing 22 by bearing, as shown in Figure 4, revolution case 2 also is provided with taper roll bearing 25, because it is lubricated that taper roll bearing 25 needs, and then has lubrication oil in the casing 22, excessive for preventing lubrication oil, two ends at main shaft 21 also are provided with gland 26, and gland 26 is sealed at both ends with taper roll bearing 25.
Please refer to Fig. 6, Fig. 6 is the structural representation of a kind of set-up mode of swivel joint provided by the present invention.
A kind of preferred embodiment in, swivel joint 1 of the present invention also is provided with sealing shroud 12, sealing shroud 12 is sleeved on the outer end of axis of rotation 11, and is filled with packing 13 between sealing shroud 12 and the axis of rotation 11; Sealing shroud 12 is added the filling of packing 13 with the outer end compact package of axis of rotation 11, can play preferably sealing and dustproof effect, and then guarantees the air seal environment of axis of rotation 11 inside, guarantees that unit head runs well; Secondly, arranging of sealing shroud 12 and packing 13 can also prevent that the sample that drilling obtains from being polluted.
Wherein, sealing shroud 12 can comprise hermetically sealed case 121 and sealing inner sleeve 122, sealing inner sleeve 122 closely is sleeved on the outer end of axis of rotation 11, hermetically sealed case 121 is sleeved on sealing inner sleeve 122 outsides, the packing 13 of this moment can be filled in hermetically sealed case 121 and the gap of sealing between the inner sleeve 122, to guarantee the reliability of sealing, as shown in Figure 6.
Can also between hermetically sealed case 121 and sealing inner sleeve 122, adjusting sleeve 15 be set, as shown in Figure 6, adjusting sleeve 15 is sleeved on the inner of sealing inner sleeve 122, the inner of sealing inner sleeve 122 is fixed, the outer wall of adjusting sleeve 15 links to each other with the inwall of hermetically sealed case 121, thereby realizes being connected of sealing inner sleeve 122 and hermetically sealed case 121.
The outer end of sealing shroud 12 can also arrange terminal pad 14, links to each other with the scum pipe of outside by terminal pad 14, and namely the two ends of terminal pad 14 link to each other with scum pipe with slag-drip opening respectively.Sealing shroud 12 can be realized being connected between movement parts and the fixture, i.e. being connected between axis of rotation 11 and the terminal pad 14, then link to each other with scum pipe by terminal pad 14, further to guarantee the sealing of axis of rotation 11 internal cavities.Obviously, the setting of terminal pad 14 can be convenient to connection and the dismounting of scum pipe.
On the other hand, swivel joint 1 can also arrange rotary sleeve 16, and axis of rotation 11 can position by bearing, then is sleeved in the rotary sleeve 16.
In addition, the present invention also provides a kind of clean-out machine of used for geological prospecting, has chassis and the unit head that is arranged on the described chassis, and described unit head is above-mentioned each described unit head.
Because the clean-out machine of used for geological prospecting of the present invention has above-mentioned each described unit head, therefore, the technique effect that above-mentioned unit head reaches is equally applicable to clean-out machine of the present invention.Adopt the described clean-out machine of above-mentioned unit head, can efficiently extract easily the drilling sample.
Further, the gas distributor of described unit head is connected with double-wall drill pipe.The structure of double-wall drill pipe can cooperatively interact with gas distributor of the present invention preferably, thereby realizes that gas of the present invention distributes, and adopts compressed air to realize impacting drilling.
Please refer to Fig. 7, Fig. 7 is the structural representation of the double-wall drill pipe that is used with unit head provided by the present invention.
As shown in Figure 7, unit head of the present invention and double-wall drill pipe 4 are used, and double-wall drill pipe 4 comprises drilling rod inner tube 42 and outer drilling rod 43, have the gap between drilling rod inner tube 42 and the outer drilling rod 43, provide passage for gas impacts; One end of drilling rod inner tube 42 also is provided with O grommet type seal circle 41, in order to be tightly connected with the inner tube 32 of gas distributor 3, the sample of double-wall drill pipe 4 drillings is by drilling rod inner tube 42 and constantly outwards transmission of inner tube 32, the terminal pad 14 of final driven force head is discharged, and operating personnel can be directly connect scum pipe with the collection sample from the exit of this terminal pad 14.
More than clean-out machine and the unit head thereof of used for geological prospecting provided by the present invention is described in detail.Used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand core concept of the present invention.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (10)
1. the unit head of a clean-out machine, it is characterized in that, described unit head comprises swivel joint, revolution case and gas distributor, described swivel joint, revolution case and gas distributor comprise respectively axis of rotation, main shaft and mandrel, described axis of rotation, main shaft and mandrel are the hollow shaft that coaxial perforation arranges, and the three is tightly connected successively, the outer end of described axis of rotation is provided with slag-drip opening, described main shaft links to each other with CD-ROM drive motor, be provided with coaxially inner tube with it in the described mandrel, the inner of described inner tube is connected with the inner wall sealing of described mandrel, and connect with the hollow bulb of described main shaft, the external diameter of described inner tube is less than the internal diameter of described mandrel, and the inner of described mandrel circumferentially is distributed with the air inlet port that at least one enters for the compression air along it.
2. unit head as claimed in claim 1 is characterized in that, described air inlet port is 4 ~ 8, and circumferentially evenly distributing along described mandrel.
3. unit head as claimed in claim 2 is characterized in that, each described air inlet port all is oval poroid setting, and the length direction of described slotted hole is the axial of described mandrel.
4. unit head as claimed in claim 1 is characterized in that, described main shaft is engaged with two pinions by gear wheel, and each described pinion all is connected with CD-ROM drive motor.
5. unit head as claimed in claim 4 is characterized in that, two described pinions are symmetrical arranged in vertical plane, and both and vertical direction are the acute angle setting.
6. unit head as claimed in claim 5 is characterized in that, described CD-ROM drive motor is the cycloidal type hydraulic motor.
7. unit head as claimed in claim 1 is characterized in that, the outer end of described axis of rotation is set with sealing shroud, is filled with packing between described sealing shroud and the described axis of rotation.
8. unit head as claimed in claim 7 is characterized in that, the outer end of described sealing shroud also is provided with terminal pad, and described terminal pad is connected with scum pipe.
9. such as each described unit head of claim 1 to 8, it is characterized in that described gas distributor also is provided with the overcoat that is sleeved on described mandrel outside and the limiting plate that is fixedly connected with described overcoat, described limiting plate is fixedly installed on the chassis of unit head.
10. the clean-out machine of a used for geological prospecting has chassis and the unit head that is arranged on the described chassis, it is characterized in that described unit head is above-mentioned 1 to 9 each described unit head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210515929.9A CN102979454B (en) | 2012-12-05 | 2012-12-05 | Reverse circulation drill for geological prospecting, and power head thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210515929.9A CN102979454B (en) | 2012-12-05 | 2012-12-05 | Reverse circulation drill for geological prospecting, and power head thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN102979454A true CN102979454A (en) | 2013-03-20 |
| CN102979454B CN102979454B (en) | 2015-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210515929.9A Expired - Fee Related CN102979454B (en) | 2012-12-05 | 2012-12-05 | Reverse circulation drill for geological prospecting, and power head thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982132A (en) * | 2014-05-22 | 2014-08-13 | 中国地质装备集团有限公司 | Geological exploration multi-process drilling machine power head |
| CN104695882A (en) * | 2015-02-26 | 2015-06-10 | 徐州徐工基础工程机械有限公司 | Three-channel multifunctional water tap of pneumatic down-hole hammer |
| CN105064915A (en) * | 2015-07-27 | 2015-11-18 | 王乐康 | Fully hydraulic reverse circulation drilling machine |
| CN105484688A (en) * | 2015-11-23 | 2016-04-13 | 贵州航天天马机电科技有限公司 | Anchoring drilling machine reverse circulation apparatus |
| CN106285454A (en) * | 2016-08-22 | 2017-01-04 | 高伯明 | Dual Drive unit head |
| CN116104916A (en) * | 2023-04-13 | 2023-05-12 | 无锡市钻通工程机械有限公司 | Automatic clutch power head driven by inner and outer double shafts for drilling machine |
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| US4271916A (en) * | 1979-05-04 | 1981-06-09 | Paul Williams | System for adapting top head drilling rigs for reverse circulation drilling |
| CN2202180Y (en) * | 1994-10-19 | 1995-06-28 | 华北石油管理局水电厂 | Multi-functional hydraulic-driven power unit |
| CN2375750Y (en) * | 1999-06-23 | 2000-04-26 | 石油地球物理勘探局装备制造总厂 | Dynamic head for petroleum geological prospecting |
| JP2008075287A (en) * | 2006-09-19 | 2008-04-03 | Sugizaki Kiso Kk | Circulating drilling device and swivel joint |
| CN102226374A (en) * | 2011-06-10 | 2011-10-26 | 湖南文理学院 | Rotary power head of coaxial transmission drilling machine |
| CN202140015U (en) * | 2011-06-27 | 2012-02-08 | 保定宏业工程机械制造有限公司 | Power head of drilling machine |
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| CN103982132A (en) * | 2014-05-22 | 2014-08-13 | 中国地质装备集团有限公司 | Geological exploration multi-process drilling machine power head |
| CN103982132B (en) * | 2014-05-22 | 2016-03-30 | 中国地质装备集团有限公司 | A kind of geological prospecting Alternative drill power head |
| CN104695882A (en) * | 2015-02-26 | 2015-06-10 | 徐州徐工基础工程机械有限公司 | Three-channel multifunctional water tap of pneumatic down-hole hammer |
| CN104695882B (en) * | 2015-02-26 | 2017-10-31 | 徐州徐工基础工程机械有限公司 | A kind of pneumatic down-hole hammer triple channel multi-function water tap |
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| CN105484688B (en) * | 2015-11-23 | 2018-06-05 | 贵州航天天马机电科技有限公司 | A kind of anchoring drilling machine reacting cycle device |
| CN106285454A (en) * | 2016-08-22 | 2017-01-04 | 高伯明 | Dual Drive unit head |
| CN116104916A (en) * | 2023-04-13 | 2023-05-12 | 无锡市钻通工程机械有限公司 | Automatic clutch power head driven by inner and outer double shafts for drilling machine |
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