CN108119063A - A kind of vibrodrill - Google Patents
A kind of vibrodrill Download PDFInfo
- Publication number
- CN108119063A CN108119063A CN201711336710.1A CN201711336710A CN108119063A CN 108119063 A CN108119063 A CN 108119063A CN 201711336710 A CN201711336710 A CN 201711336710A CN 108119063 A CN108119063 A CN 108119063A
- Authority
- CN
- China
- Prior art keywords
- babinet
- main shaft
- vibrodrill
- bearing
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005553 drilling Methods 0.000 claims abstract description 32
- 239000006096 absorbing agent Substances 0.000 claims description 12
- 230000035939 shock Effects 0.000 claims description 12
- 238000013016 damping Methods 0.000 claims description 6
- 230000001050 lubricating effect Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000005070 sampling Methods 0.000 abstract description 13
- 239000002689 soil Substances 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 29
- 239000010687 lubricating oil Substances 0.000 description 9
- 241001074085 Scophthalmus aquosus Species 0.000 description 6
- 238000011010 flushing procedure Methods 0.000 description 4
- 238000005461 lubrication Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/24—Drilling using vibrating or oscillating means, e.g. out-of-balance masses
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Engineering & Computer Science (AREA)
- Immunology (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Pathology (AREA)
- Analytical Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a kind of vibrodrills, it is arranged on mast, the vibrodrill includes babinet, from top to bottom through the main shaft among the babinet, it is arranged in the babinet in horizontal direction and compared with symmetrical two eccentric shafts of the main shaft, slide plate arranged on babinet periphery, and it is connected to the buffer unit between the slide plate and the babinet, the eccentric shaft is equipped with eccentric block, the prominent shaft shoulder is formed among the main shaft, the main shaft upper end connects rotary motive power head, main shaft lower end jointed rod and sampler, the mast is equipped with slide, the slide plate is arranged on the slide, the vibrodrill is slided by being fed oil cylinder and the slide on the mast.The vibrodrill of the present invention can realize pollution-free to soil, undisturbed effect during sampling, can also improve drilling efficiency.
Description
Technical field
A kind of related drilling machine of the present invention, refers in particular to a kind of vibrodrill that sampling is reconnoitred for stratum.
Background technology
With the continuous variation of global climate, people are to the protection pay attention to day by day of environment, and soil environment problem is as environment
One of hot spot of scientific domain, formation, development and the evolution of soil are the key problems of soil environment theoretical research, for soil
Paleoenvironmental Reconstruction, palaeoenvironmental evolution research lay particular emphasis on high-resolution, high accuracy and high-precision, it is necessary to improve to soil sample point
The precision of analysis, while higher requirement is proposed to sampling equipment, instrument and sampling craft, i.e., this kind of sampling must have sample
The characteristics of taking rate is high, integrality is good, pollution-free, undisturbed, sample keep primary structure and original occurrence state, so as to carry
Take first-hand real resources and environment information.
At present, geology rock-core borer of the domestic soil environment sampler drill substantially based on rotary drilling, this kind of brill
Machine needs flushing liquor (mud, foam or air) flushing hole bottom, carries drilling cuttings, cooling drill bit and protection hole wall when sampling.Sternly
It is said in lattice meaning, revolution sampling is not suitable for soil environment sampling, this is because pedotheque is disturbed in one side rotary drilling
Dynamic big, another aspect flushing liquor (foam or air) will also need the substance detected dilute while flushing hole bottom in soil
It releases, measurement data is caused to be less than actual value.
There are a kind of audio frequency drilling machine for directly driving vibro-drilling in foreign countries, and the audio frequency vibration head of this audio frequency drilling machine devises one
A special motor, by spline connects and drives a trunnion axis, which is connected by second end with spherical crown spline
Axis be connected with crank, the opposite eccentric shaft of an auxiliary crank driving direction a, eccentric shaft is arranged in a cylindrical cavity, partially
Mandrel provides cam movement generation up-down vibration and acts on the longitudinal axis and drilling tool.And the sonic frequency resonance drill audio frequency vibration head is machine
The mandatory eccentric wheel method of synchronization of tool has complicated, driving eccentric shaft Gear Processing required precision height, audio frequency vibration head
The shortcomings of volume is big.
The content of the invention
In view of this, it is a kind of simple in structure it is a primary object of the present invention to provide, securely and reliably, easy to use and energy
Meet pollution-free, undisturbed direct-push vibrodrill.
In order to achieve the above objectives, the present invention provides a kind of vibrodrill, is arranged on mast, which includes
Babinet, from top to bottom through among the babinet main shaft, be arranged in the babinet in horizontal direction and compared with described
Symmetrical two eccentric shafts of main shaft, arranged on babinet periphery slide plate and be connected between the slide plate and the babinet
Buffer unit, the eccentric shaft is equipped with eccentric block, the prominent shaft shoulder is formed among the main shaft, and the main shaft upper end connects
Rotatory force head, main shaft lower end jointed rod and sampler are taken back, the mast is equipped with slide, and the slide plate is arranged on institute
It states on slide, the vibrodrill is slided by being fed oil cylinder and the slide on the mast.
The both ends of the eccentric shaft are separately installed with high-speed bearing, and the high-speed bearing is arranged on the axis of the babinet both sides
In bearing bore, the high-speed bearing on the babinet close to the slide plate one side is positioned by bearing (ball) cover, separate on the babinet
The high-speed bearing of the slide plate one side is positioned by high-speed motor.
Connected between the high-speed motor and the eccentric shaft by spline or the high-speed motor and the eccentric shaft it
Between using shaft coupling connect.
Both sides set two plain bearing housings, two plain bearing housings and institute to the vertical direction at the babinet center up and down
The sliding bearing being each provided between the shaft shoulder of main shaft around the main shaft is stated, and the sliding bearing is shelved on the shaft shoulder
On, the outside of upper and lower two sliding bearings is positioned by main shaft end cap, which is bolted on the babinet
On.
The buffer unit includes support plate at left and right sides of the babinet, the damping for being wrapped in the support plate
Part and the shock absorber part baffle positioned at shock absorber part periphery, the shock absorber part baffle are installed on otic placode, which is arranged on the cunning
The both ends of plate, the both ends of the slide plate are bolted between the otic placode respectively.
The shock absorber part is made of rubber or damping spring.
The vibration bit has further included lubricating system, which, which includes, is arranged at the high-speed bearing position
Babinet on and four oil gas entrances on bearing (ball) cover, be connected with the oil gas entrance transportation pipe, be connected to the oil gas
The oil-gas mixer of the delivery pipe other end and the snorkel being connected respectively with the oil-gas mixer and oil pipe is sent, the snorkel
The other end be connected with air compressor, this send the other end of oil pipe to be connected with oil pump.
The vibrodrill of the present invention can realize pollution-free to soil, undisturbed effect during sampling, can also realize brill
Into and carry drilling speed degree, and can realize that vibrating and percussive drilling adds the complex samples of rotary drilling to creep into, further improve rate of penetration,
Improve work efficiency.
Description of the drawings
Fig. 1 is the main view sectional view of vibrodrill of the present invention；
Fig. 2 is the top plan view of vibrodrill of the present invention；
Fig. 3 is the schematic diagram of the oil gas lubricating system in the present invention；
Fig. 4 is the implementation view of vibrodrill of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached in the embodiment of the present invention
Figure, is clearly and completely described the technical solution in the embodiment of the present invention, it is clear that described embodiment is the present invention
Part of the embodiment, instead of all the embodiments, the embodiment of the present invention are exemplary, it is intended to for explaining the present invention,
And it is not considered as limiting the invention.
As shown in Figure 1 to Figure 2, vibration bit of the invention includes babinet 1, from top to bottom through 1 centre of babinet
Main shaft 2 is arranged in babinet 1 in horizontal direction and compared with 2 symmetrical two eccentric shafts 3 of main shaft, arranged on 1 periphery of babinet
Slide plate 4 and the buffer unit being connected between slide plate 4 and babinet 1.Two 3 structures of eccentric shaft are identical, eccentric shaft 3
It is equipped with eccentric block 30, the both ends of eccentric shaft 3 are separately installed with high-speed bearing 32, the high speed shaft at 3 both ends of eccentric shaft in the present invention
It holds 32 and shares four, be separately positioned in the bearing hole of 1 both sides of babinet, close to the high-speed bearing 32 of 4 one side of slide plate on babinet 1
Positioned by bearing (ball) cover 33, positioned on babinet 1 away from the high-speed bearing 32 of 4 one side of slide plate by high-speed motor 5, high-speed motor 5 with
It is connected between eccentric shaft 3 by spline, shaft coupling can also be used to connect.The centre of main shaft 2 in the present invention is formed with the shaft shoulder 20,
Both sides set two plain bearing housing (not shown)s up and down for the vertical direction at 1 center of babinet, two plain bearing housings with
The sliding bearing 21 around main shaft 2 is each provided between the shaft shoulder 20 of main shaft 2, and sliding bearing 21 is shelved on the shaft shoulder 20,
The outside of upper and lower two sliding bearings 21 is positioned by main shaft end cap 22, and main shaft end cap 22 is bolted on babinet 1, the cunning
Dynamic bearing 21 is resisted against the side wall (as shown in Figures 1 and 2) of babinet 1, the vibration force that eccentric block 30 generates when eccentric shaft 3 rotates
(or vibration wave) passes sequentially through babinet 1, main shaft end cap 22 and sliding bearing 21 and is transferred on the shaft shoulder 20 of main shaft 2.Under main shaft 2
End is connected with drilling rod, sampler (not shown), upper end and the rotary motive power head (not shown) for driving the main shaft 2 rotation
Connection.
The buffer unit of the present invention includes the support plate 10 arranged on 1 left and right sides of babinet, is wrapped in subtracting for support plate 10
Part 6 and the shock absorber part baffle 70 positioned at 6 periphery of shock absorber part are shaken, which is installed on otic placode 7, which is arranged on
The both ends of slide plate 4, the both ends of slide plate 4 are bolted between otic placode 7 respectively.Shock absorber part in the present invention can be by rubber
It is made or shock absorber part 6 is made of damping spring.
As shown in Figure 1 to Figure 3, vibration bit of the present invention has further included lubricating system, includes and is arranged at high-speed bearing
Four oil gas entrances 330 on babinet 1 at 32 positions and on bearing (ball) cover 33, the oil gas being connected with the oil gas entrance 330 are defeated
Send pipe 331, the snorkel for being connected to the oil-gas mixer 9 of 331 other end of transportation pipe and being connected with oil-gas mixer 9
90 and oil pipe 91 is sent, the other end of the snorkel 90 is connected with air compressor (not shown), send the other end of oil pipe 91
It is connected with oil pump (not shown).Clean air through air compressor compression enters oil-gas mixer by snorkel 90
9, by the lubricating oil of oil pump pumping by the way that oil pipe 91 is sent to enter oil-gas mixer 9, mixed with compressed air in oil-gas mixer 9
Into four transportation pipes 331 after conjunction, lubricating oil flows under the drive of compressed air along tube wall, and is blown by compressed air
It dissipates, forms oil film, entered oil gas entrance 330 in a manner of subtle oil droplet on high-speed bearing 32, lubrication and cooling are high
Fast bearing 32.Lubricating oil and compressed air separation, lubricating oil in babinet 1 flow to 1 lower end of babinet under the action of dead weight
At oil gas vent 11, and babinet 1 is flowed out under the action of air pressure.The purpose for setting Oil-air Lubrication is to avoid at a high speed
When bearing 32 and eccentric shaft 3 rotate at a high speed in lubricating oil, lubricating oil generates high-speed bearing 32 and eccentric shaft 3 huge
Damping action reduces useless power consumption.
When in use, the drilling static pressure (i.e. bit pressure) that drilling machine is acted on slide plate 4 is downward successively for vibration bit of the present invention
Pass to vibration-damped component baffle 70, the vibration-damped component 6 of 10 upside of support plate, babinet 1, the main shaft end cap 22 of upside, sliding bearing 21, master
20 upside of the shaft shoulder of axis 2, then drilling rod, sampler are transferred to, sampler is drilled down under the action of static pressure is crept into, and is realized quiet
Press fast drilling pore-forming or sampling；Resistance is larger, drilling depth is slowly or during not drilling depth when creeping into, and starts two high-speed motors 5 and revolves
Turn, two 5 rotating speeds of high-speed motor are identical, and direction of rotation is on the contrary, two high-speed motors 5 respectively drive two eccentric shafts 3 revolves
Turn, make that two 3 rotating speeds of eccentric shaft are identical, and direction of rotation is on the contrary, the rotating speed of two eccentric shafts 3 reaches 3000~12000
Rev/min, generated centrifugal force component in the horizontal direction is equal in magnitude when rotated for the eccentric block 30 on eccentric shaft 3, side
To on the contrary, i.e. the component of horizontal direction is offset；And the component of vertical direction is equal in magnitude, direction is consistent, i.e. point of vertical direction
Power is superimposed, and generates downward vibration force (or vibration wave), and vibration force (or vibration wave) is passed to high-speed bearing 32, case successively
Body 1, the main shaft end cap 22 of upside, sliding bearing 21,20 upside of the shaft shoulder of main shaft 2 and drilling rod, sampler, and be drilled down into,
It realizes acoustic frequency vibration drilling and forming hole or sampling, therefore rate of penetration can be improved, rotated without drilling rod and sampler, avoid sampling
When sampler rotates disturbed soil or soft soil horizon.This sampling mode sample taking rate is high, integrality is good, is followed without mud
Ring to sample and environmental nonpollution, can further improve the original state characteristic of ground sample.
When carrying brill upwards, the lifting force acted on using drilling machine on slide plate 4 passes to vibration-damped component baffle 70, branch successively upwards
Vibration-damped component 6, babinet 1, the main shaft end cap 22 of downside, sliding bearing 21,20 downside of the shaft shoulder of main shaft 2 and the brill of 10 side of fagging
Bar, sampler, and brill is carried upwards, sampler is mentioned into ground；If the lifting force of drilling machine is not enough to drilling rod and sampler promotion,
The upward vibration force that can be generated simultaneously using eccentric shaft 3 passes to high-speed bearing 32, babinet 1, the spindle end of downside successively
Lid 22, sliding bearing 21,20 downside of the shaft shoulder of main shaft 2 and drilling rod, sampler, and brill is carried upwards.
Vibration force is also passed to vibration-damped component by the vibration force that eccentric shaft 3 generates while high-speed bearing 32 are passed to
6th, vibration-damped component baffle 70, slide plate 4 and sampler drill complete machine, but due to vibration-damped component 6 have it is good weaken impact and (or)
The effect of transmission is vibrated, transmission of the vibration force to drilling machine complete machine is reduced, plays damping effect.
While high-speed motor 5 are started, start oil pump and air compressor, oil pump is by sending oil pipe 91 to send lubricating oil
To oil-gas mixer 9, clean compressed air is sent to by snorkel 90 in oil-gas mixer 9 by air compressor, with lubrication
It after oil mixing, is sent to by four transportation pipes 331, oil gas entrance 330 on high-speed bearing 32, lubrication and cooling high-speed bearing
32, gas mixture separation, lubricating oil in babinet 1 are flowed under the action of dead weight in the oil gas vent 11 of 1 bottom of babinet, and
It is flowed out under the action of air pressure, ensures that 1 bottom of babinet will not store lubricating oil.
Fig. 4 be vibrodrill of the present invention implementation view, vibrodrill（In figure shown in A）Mast 80 is installed on,
Mast 80 is erected by playing tower oil cylinder 81 to vertical position, is slided by sliding oil cylinder 82 in slide 83, realizes sliding landing,
Ensure that fuselage is stablized.The slide plate 4 of vibrodrill of the present invention is arranged in slide 83, and the rotation angular frequency of vibrodrill is 200Hz,
Working condition angular frequency generally in 150-200Hz ranges, can generate maximum vibration power 140kN.Vibrodrill is by giving
It is slided into oil cylinder 84 and slide 83 along mast 80, realize drilling and promotes drilling rod.Stroke is fed up to 3.5m, it can an adjunction 3m
Long drilling rod, reduces service working time, improves drilling efficiency.Chassis 85 is welded by square tube and channel steel, and carrying is bored
The superstructure of machine.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.
Claims (7)
1. a kind of vibrodrill, is arranged on mast, which is characterized in that the vibrodrill includes babinet, from top to bottom passes through
It is through at the main shaft among the babinet, is arranged in the babinet in horizontal direction and compared with symmetrical two of the main shaft partially
Mandrel, the slide plate arranged on babinet periphery and the buffer unit that is connected between the slide plate and the babinet, it is described partially
Mandrel is equipped with eccentric block, the prominent shaft shoulder is formed among the main shaft, the main shaft upper end connects rotary motive power head, described
Main shaft lower end jointed rod and sampler, the mast are equipped with slide, and the slide plate is arranged on the slide, the vibration
Drilling machine is slided by being fed oil cylinder and the slide on the mast.
2. the vibrodrill as described in claim 1, which is characterized in that the both ends of the eccentric shaft are separately installed with high speed shaft
It holds, the high-speed bearing is arranged in the bearing hole of the babinet both sides, close to the described of the slide plate one side on the babinet
High-speed bearing is positioned by bearing (ball) cover, and the high-speed bearing away from the slide plate one side is determined by high-speed motor on the babinet
Position.
3. the vibrodrill as described in claim 2, which is characterized in that by spending between the high-speed motor and the eccentric shaft
It is connected between key connection or the high-speed motor and the eccentric shaft using shaft coupling.
4. the vibrodrill as described in claim 1, which is characterized in that the vertical direction at the babinet center is set both sides up and down
Two plain bearing housings are put, it is interior between two plain bearing housings and the shaft shoulder of the main shaft to be each provided with around the main shaft
Sliding bearing, and the sliding bearing is shelved on the shaft shoulder, the outside of upper and lower two sliding bearings is by main shaft end cap
Positioning, the main shaft end cap are bolted on the babinet.
5. the vibrodrill as described in claim 1, which is characterized in that the buffer unit includes left arranged on the babinet
The support plate of right both sides, the shock absorber part for being wrapped in the support plate and the shock absorber part baffle positioned at shock absorber part periphery, this subtracts
Shake part baffle is installed on otic placode, which is arranged on the both ends of the slide plate, the both ends of the slide plate respectively with the otic placode it
Between be bolted.
6. the vibrodrill as described in claim 5, which is characterized in that the shock absorber part is made of rubber or damping spring.
7. the vibrodrill as described in claim 2, which is characterized in that the vibration bit has further included lubricating system, the profit
Sliding system includes four oil gas entrances and oil on the babinet being arranged at the high-speed bearing position and on bearing (ball) cover
Gas entrance connection transportation pipe, be connected to the transportation pipe other end oil-gas mixer and respectively with the oil gas
The snorkel and send oil pipe that mixer connects, the other end of the snorkel is connected with air compressor, this send the other end of oil pipe
It is connected with oil pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711336710.1A CN108119063A (en) | 2017-12-14 | 2017-12-14 | A kind of vibrodrill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711336710.1A CN108119063A (en) | 2017-12-14 | 2017-12-14 | A kind of vibrodrill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108119063A true CN108119063A (en) | 2018-06-05 |
Family
ID=62230023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711336710.1A Pending CN108119063A (en) | 2017-12-14 | 2017-12-14 | A kind of vibrodrill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108119063A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2058352U (en) * | 1989-10-25 | 1990-06-20 | 长庆石油勘探局钻采工艺研究所 | Frequent oscillation type vibration exciting device |
| WO1996030616A1 (en) * | 1995-03-28 | 1996-10-03 | Japan National Oil Corporation | Device for controlling the drilling direction of drill bit |
| CN2809182Y (en) * | 2005-07-28 | 2006-08-23 | 大庆油田装备制造集团 | Vibratory impact type power head |
| 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 |
| CN202731749U (en) * | 2012-05-23 | 2013-02-13 | 中煤地第二勘探局有限责任公司 | Full-hydraulic audio-frequency vibrating drill |
-
2017
- 2017-12-14 CN CN201711336710.1A patent/CN108119063A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2058352U (en) * | 1989-10-25 | 1990-06-20 | 长庆石油勘探局钻采工艺研究所 | Frequent oscillation type vibration exciting device |
| WO1996030616A1 (en) * | 1995-03-28 | 1996-10-03 | Japan National Oil Corporation | Device for controlling the drilling direction of drill bit |
| CN2809182Y (en) * | 2005-07-28 | 2006-08-23 | 大庆油田装备制造集团 | Vibratory impact type power head |
| 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 |
| CN202731749U (en) * | 2012-05-23 | 2013-02-13 | 中煤地第二勘探局有限责任公司 | Full-hydraulic audio-frequency vibrating drill |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20180605 |