CN107905722A - A kind of closed hydraulic drill - Google Patents
A kind of closed hydraulic drill Download PDFInfo
- Publication number
- CN107905722A CN107905722A CN201711386023.0A CN201711386023A CN107905722A CN 107905722 A CN107905722 A CN 107905722A CN 201711386023 A CN201711386023 A CN 201711386023A CN 107905722 A CN107905722 A CN 107905722A
- Authority
- CN
- China
- Prior art keywords
- outer cover
- guide sleeve
- flow guide
- closed hydraulic
- hydraulic drill
- 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.)
- Granted
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 47
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 12
- 239000010959 steel Substances 0.000 claims abstract description 12
- 230000003116 impacting effect Effects 0.000 claims abstract description 5
- 230000001360 synchronised effect Effects 0.000 claims description 27
- 239000010985 leather Substances 0.000 claims description 20
- 238000003860 storage Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 11
- 208000032369 Primary transmission Diseases 0.000 claims description 6
- 125000006850 spacer group Chemical group 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 230000035939 shock Effects 0.000 abstract description 3
- 230000006641 stabilisation Effects 0.000 abstract description 3
- 238000011105 stabilization Methods 0.000 abstract description 3
- 239000008399 tap water Substances 0.000 abstract description 3
- 235000020679 tap water Nutrition 0.000 abstract description 3
- 238000005457 optimization Methods 0.000 description 15
- 239000011435 rock Substances 0.000 description 8
- 238000010276 construction Methods 0.000 description 6
- 208000002925 dental caries Diseases 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000004146 energy storage Methods 0.000 description 4
- 238000005065 mining Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000004630 mental health Effects 0.000 description 3
- 239000003595 mist Substances 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 241001656951 Protheca Species 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 206010011878 Deafness Diseases 0.000 description 1
- 208000028571 Occupational disease Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005086 pumping Methods 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
- E21B1/00—Percussion drilling
- E21B1/38—Hammer piston type, i.e. in which the tool bit or anvil is hit by an impulse member
-
- 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
- E21B6/00—Drives for drilling with combined rotary and percussive action
- E21B6/02—Drives for drilling with combined rotary and percussive action the rotation being continuous
- E21B6/04—Separate drives for percussion and rotation
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a kind of closed hydraulic drill, including outer cover, it is provided with outer cover for the tail end of drill steel and the bit shank sleeve of piston to be fixedly mounted, the external stability of outer cover is provided with hydraulic motor, the hydraulic motor is rotated by three-level actuator drives bit shank sleeve, one end of outer cover is connected with impact housing, and impacting in housing to be provided with prevents piston from the empty buffer unit beaten occur.Tap water can be used directly in the present invention, the closed cycle of high pressure water and low pressure water is realized, it is lower than air drill system noise than air drill energy saving of system more than 60%, can reduce by more than 20% noise, and stabilization of speed of the present invention, it is steady, shock and vibration can be relaxed.
Description
Technical field
The present invention relates to a kind of hydraulic drill, relates in particular to a kind of use in mining, highway, railway, water
Closed hydraulic drill in profit, tunnel construction engineering, belongs to engineering machinery field.
Background technology
At present in China's mining, high ferro, subway tunnel, water conservancy construction, gas leg type air drill largely is used,
For annual requirement more than 100,000, practitioner reaches more than 350,000.Air drill development more than 150 years existing is gone through with application
History, but in addition to implement structure, material and some other improvement, capacity usage ratio substantive cannot improve always, and vibration is big, makes an uproar
The problems such as sound pitch, can not also solve all the time.
The hydraulic gate to put goods on the market the 1970s is using middle high-pressure hydraulic oil as energy transmission medium, equipment
Output power, efficiency of breaking rock are high, energy consumption is low, long lifespan, working environment is good, is easy to automatically control, and worldwide obtain
Popularize rapidly, it is big yet with type weight, thrust, it is necessary to be placed in its effect of competence exertion on corresponding hydraulic drill rig
Rate, therefore, hydraulic gate are mainly used in lane (tunnel) road driving of big cross section.Secondly, hydraulic gate and trolley cost
High, use cost height, skill set requirements height, maintenance technique to operator require height, limit it in mining, highway, iron
Application in road, water conservancy, tunnel construction engineering.Therefore, still a large amount of in most of medium and small digging and underground engineering construction
Using gas leg type air drill, and the usage amount of hydraulic gate is not as good as its 1%.
Substantial amounts of gas leg type air drill consumes the substantial amounts of energy using one side, adds mining production cost,
Another aspect noise suffers from substantial amounts of practitioner deaf, white more than 125 dB (A) and strong vibration and substantial amounts of greasy dirt
The occupational diseases such as hand disease, serious threat the physical and mental health of miner.
The content of the invention
The technical problem to be solved in the present invention is the above-mentioned deficiency for overcoming the prior art, there is provided a kind of energy-efficient, noise
Small, vibrations closed hydraulic drill small, without contaminated with oil mist.
To solve the above problems, the present invention uses following technical scheme：A kind of closed hydraulic drill, including outer cover,
It is provided with outer cover for the tail end of drill steel and the bit shank sleeve of piston to be fixedly mounted, the external stability of outer cover is provided with hydraulic pressure horse
Reach, which is rotated by three-level actuator drives bit shank sleeve, and one end of outer cover is connected with impact housing, impacts housing
Inside being provided with prevents piston from the empty buffer unit beaten occur.
It is further optimization of the present invention to such scheme below：Core is provided with the outer cover, bit shank sleeve is installed on
In core.
Further optimization：Sealed between the front end of the core and the cover body of outer cover by platen, which is sleeved on pricker
The outside of tail sleeve and it is rotatablely connected between bit shank sleeve.
Further optimization：It is rotatablely connected between the rear end of the core and bit shank sleeve.
Further optimization：Three gear stage includes primary transmission mechanism, and the primary transmission mechanism is by being fixedly mounted
Level-one active wheels on hydraulic motor power output shaft are arranged on the outside of outer cover and closed by one into, the level-one driving wheel
Chamber shell sealed.
Further optimization：Three gear stage further includes secondary drive mechanism, which is included wherein
One end is arranged on outer cover, the other end is arranged on jackshaft in chamber shell, jackshaft be located at outside one end in outer cover is provided with it is same
Step driving wheel, one end in chamber shell are provided with level-one follower, which is meshed with level-one driving wheel.
Further optimization：The both ends of the jackshaft are rotatablely connected with the spacer in outer cover and chamber shell respectively.
Further optimization：Three gear stage further includes three-level transmission mechanism, and three-level transmission mechanism includes being installed on
Synchronous follower on bit shank sleeve inside core, passes through toothed belt transmission between the synchronization follower and synchronous driving wheel.
Further optimization：The buffer unit includes accumulator of the one end for closing, one end of accumulator and impact housing
Coaxial assembling.
Further optimization：The position of accumulator is provided with flow guide sleeve in the impact housing, and the flow guide sleeve is with storing
It can be connected through a screw thread inside device close to the position of impact housing, and the position in accumulator close to flow guide sleeve offers annular
The groove of structure.
Further optimization：The nonreturn valve core that can be moved back and forth coaxially is equipped with the flow guide sleeve, nonreturn valve core is with leading
Between stream set the check valve core retainer plate that can be moved back and forth coaxially is equipped with close to the position of flow guide sleeve one end.
Further optimization：It is provided with being used cooperatively with nonreturn valve core close to the position of flow guide sleeve in the accumulator and cuts
Face is the leather bag of semicircular structure.
Further optimization：The position of the cylindrical close flow guide sleeve of the leather bag is provided with the annular being used cooperatively with groove
The boss of structure.
Further optimization：Water storage cavity is provided between the leather bag and flow guide sleeve, multiple and water storage is offered on flow guide sleeve
The flow guide sleeve water flowing circular hole that chamber communicates.
Further optimization：Set in the flow guide sleeve between the one end of one end and check valve core retainer plate away from leather bag away from leather bag
It is equipped with spring.
Further optimization：Being bolted with the nonreturn valve core close to one end of water storage cavity can promote what check valve core retainer plate moved
And section is female for trapezoidal locking.
In use, pure water divides two lines by water station：First enters distributing valve by distributing valve water inlet, by changing
Commutate to valve, distributing valve water inlet and the 7th cavity is connected and is justified by four flow guide sleeve water flowings uniformly distributed on flow guide sleeve end face
Hole makes the 7th cavity be communicated with water storage cavity, so that nonreturn valve core overcomes the active force of spring to make the 7th cavity under hydraulic pressure effect
Turned on the 5th cavity, spool guide sleeve reach, so as to fulfill the stroke of piston；
When piston stroke reaches certain distance, the second cavity is communicated with the first cavity, the 3rd cavity, makes the second cavity stress surface
Product increase, piston start backhaul, and the second cavity is communicated with the 4th cavity during backhaul, is moved after spool guide sleeve, the 4th cavity passes through
Inclined hole is communicated with the 6th cavity in spool guide sleeve, because reversal valve is constantly in commutation operation, the 6th cavity is gone out with distributing valve
The mouth of a river communicates, so as to fulfill the reflux of backward stroke of the piston and pure water；
Article 2 makes hydraulic motor rotary work, level-one is driven while motor rotation actively by the IN mouths of hydraulic motor
Wheel rotation, level-one driving wheel drive the level-one follower that it is meshed while rotation, it is synchronous main that level-one follower rotates drive
Driving wheel rotates；
When synchronous driving wheel rotates, by the connection of synchronous belt, synchronous follower is driven to be rotated, and because of synchronous follower
With the assembly relation of bit shank sleeve, while synchronous follower rotates, bit shank sleeve also rotates together with, so as to fulfill hydraulic drill
Rotation, drill steel be installed on bit shank sleeve in, when bit shank sleeve synchronous follower drive under rotate when, drill steel also rotates together, lead to
Cross impact and bit shank sleeve of the piston to drill steel and drive its rotation so as to fulfill the rock drilling operation on rock.
Tap water can be used directly in the present invention, the closed cycle of high pressure water and low pressure water is realized, than air drill system
Unite energy saving more than 60%, it is lower than air drill system noise, it can reduce by more than 20% noise, and stabilization of speed of the present invention,
Steadily, can relax shock and vibration, the present invention is a kind of energy saving, environmentally friendly rock drill, its with cutting rate it is fast, make an uproar
Sound is low, without contaminated with oil mist, with small vibration, characteristics of energy saving, its alternative air drill largely used now, improves operator's
Working environment, reduces energy consumption, protects the physical and mental health of operator, can also widen and use on small-sized hydraulic drill carriage, may replace me
The some Imported of state's hydraulic gate, so as to reduce the cost of drill carriage, promotes drill carriage in the engineering construction such as mine and tunnel
Using.
The invention will be further described with reference to the accompanying drawings and examples.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention in embodiment；
Fig. 2 is the enlarged diagram at W in Fig. 1；
Fig. 3 is the enlarged diagram at Q in Fig. 1.
In figure：1- guide sleeves；2- outer covers；3- platens；4- bit shank sleeves；5- cores；6- clutch shaft bearings；7- synchronization followers；8-
Second bearing；9- pistons；10- jackshafts；11- synchronization driving wheels；12- spacers；13- 3rd bearings；14- fourth bearings；15- mono-
Level driving wheel；16- chamber shells；17- level-one followers；18- hydraulic motors；The first snap rings of 19-；The second snap rings of 20-；21- impacts shell
Body；22- prothecas；23- fixing sleeves；24- distributing valves；25- reversal valves；26- spool guide sleeves；27- spools；28- nonreturn valve cores；
29- springs；30- check valve core retainer plates；31- lockings are female；32- accumulators；33- flow guide sleeves；34- handles；35- auxiliary handles；36- is pressed
Plate；Terminal pad before 37-；38- drill steels；39- pricker cards；40- energy storage room；41- grooves；42- leather bags；43- annular convex platform；44- accumulation of energys
Device air inlet；45- flow guide sleeve water flowing circular holes；A- distributing valve water inlets；The 7th cavitys of B-；C- water storage cavities；The 5th cavitys of E-；F-
One cavity；The 3rd cavitys of G-；The second cavitys of H-；The 4th cavitys of I-；The 6th cavitys of J-；K- flow divider apopores.
Embodiment
Embodiment, as shown in Figure 1-Figure 3, a kind of closed hydraulic drill, including outer cover 2, is provided with outer cover 2 and is used for
The tail end of drill steel 38 is fixedly mounted and the bit shank sleeve 4 of piston 9, the external stability of outer cover 2 are provided with hydraulic motor 18, the hydraulic pressure
Motor 18 is rotated by three-level actuator drives bit shank sleeve 4, and one end of outer cover 2 is connected with impact housing 21, impacts housing 21
Inside being provided with prevents piston 9 from the empty buffer unit beaten occur.
Core 5 is provided with the outer cover 2, bit shank sleeve 4 is installed in core 5, the front end of core 5 and the cover body of outer cover 2
Between sealed by platen 3, which is sleeved on the outside of bit shank sleeve 4 and is rotated between bit shank sleeve 4 by clutch shaft bearing 6
Connection.
It is rotatablely connected between the rear end of the core 5 and bit shank sleeve 4 also by second bearing 8.
Three gear stage includes primary transmission mechanism, and the primary transmission mechanism by flat key by being fixedly mounted on water
Level-one driving wheel 15 on 18 power output shaft of pressure motor forms, which is arranged on the outside of outer cover 2 and by one
Closed chamber shell 16 is sealed, and when pumping plant, which provides high pressure water, passes through hydraulic motor 18, makes 18 rotary work of hydraulic motor, when
Level-one driving wheel 15 is driven to rotate while hydraulic motor 18 rotates.
Three gear stage further includes secondary drive mechanism, which is arranged on outer including wherein one end
Cover 2, the other end are arranged on the jackshaft 10 in chamber shell 16.
The jackshaft 10, which is located at outside one end in outer cover 2, is provided with synchronous driving wheel 11, one in chamber shell 16
End is provided with level-one follower 17, which is meshed with level-one driving wheel 15, and level-one driving wheel 15 is rotating same
When drive its level-one follower 17 being meshed to rotate, level-one follower 17 drive jackshaft 10 rotate, jackshaft 10 drives together
Step driving wheel 11 rotates.
The level-one follower 17 is installed on jackshaft 10 also by flat key and is encapsulated with the second snap ring 20.
The both ends of the jackshaft 10 respectively by 3rd bearing 13 and fourth bearing 14 with outer cover 2 and chamber shell 16 every
The rotation connection of set 12.
Three gear stage further includes three-level transmission mechanism, and three-level transmission mechanism includes upper installed in bit shank sleeve 4
Synchronous follower 7 inside core 5.
The synchronization follower 7 is coaxially mounted on bit shank sleeve 4 close to the position of one end and with the first pricker also by flat key
The encapsulation of card 19, by toothed belt transmission between the synchronization follower 7 and synchronous driving wheel 11, when synchronous driving wheel 11 rotates,
By the connection of synchronous belt, synchronous follower 7 is driven to be rotated, and because of synchronous follower 7 and the assembly relation of bit shank sleeve 4,
While synchronous follower 7 rotates, bit shank sleeve 4 also rotates together with, so as to fulfill the rotation of hydraulic drill.
The chamber that the part is formed by it, the effect of the chamber are to be eliminated when being operated to transmission mechanism into Row noise.
The buffer unit includes accumulator 32 of the one end for closing, and accumulator 32 is coaxially filled with impacting one end of housing 21
Match somebody with somebody.
The position of accumulator 32 is provided with flow guide sleeve 33, and the flow guide sleeve 33 and accumulator in the impact housing 21
32 inside are connected through a screw thread close to the position of impact housing 21, and the position in accumulator 32 close to flow guide sleeve 33 offers
The groove 41 of loop configuration.
The nonreturn valve core 28 that can be moved back and forth, nonreturn valve core 28 and flow guide sleeve 33 are coaxially equipped with the flow guide sleeve 33
Between close to the position of 33 one end of flow guide sleeve be coaxially equipped with the check valve core retainer plate 30 that can be moved back and forth, check valve core retainer plate 30 is used
In the direction of motion of limitation nonreturn valve core 28.
Being provided with and section being used cooperatively with nonreturn valve core 28 close to the position of flow guide sleeve 33 in the accumulator 32 is
The leather bag 42 of semicircular structure.
The position of the cylindrical close flow guide sleeve 33 of the leather bag 42 is provided with the loop configuration being used cooperatively with groove 41
Boss 43, boss 43 is pressed in groove 41 by flow guide sleeve 33 and accumulator 32 when being screwed on, and then is realized and carried out leather bag 42
It is fixed.
Energy storage room 40 is provided between the accumulator 32 and leather bag 42, and the side of accumulator 32 is equipped with and energy storage room 40
The accumulator air inlet 44 communicated, energy storage room 40 are filled with the inert gas of 20MPa by accumulator air inlet 44, make 42 quilt of leather bag
Compression.
Water storage cavity C is provided between the leather bag 42 and flow guide sleeve 33, is offered on flow guide sleeve 33 multiple with water storage cavity C phases
Logical flow guide sleeve water flowing circular hole 45, multiple flow guide sleeve water flowing circular holes 45 are by between water storage cavity C and flow guide sleeve 33 and impact housing 21
The cavity connection of formation.
Set in the flow guide sleeve 33 between the one end of one end and check valve core retainer plate 30 away from leather bag 42 away from leather bag 42
There is spring 29, and the spring 29 is sleeved on the excircle of nonreturn valve core 28, spring 29 can promote check valve core retainer plate 30 to reset,
Then inner elements of check valve 2 is made to recover initial position.
The flow guide sleeve 33 uses Cr17Mn6Ni5N material manufactures, can so make flow guide sleeve 33 is corrosion-resistant, intensity is high,
Hardness is high.
On the nonreturn valve core 28 check valve core retainer plate 30 can be promoted to move and section is bolted with close to one end of water storage cavity C
For trapezoidal locking mother 31, locking mother 31 contacts under the promotion of leather bag 42 with check valve core retainer plate 30, and promotes nonreturn valve core
The compression spring 29 of set 30.
The side of the impact housing 21 is provided with distributing valve 24, and distributing valve water inlet A, distribution are provided with distributing valve 24
Valve water outlet K and auxiliary handle 35.
Reversal valve 25 is provided with the distributing valve 24, one end of reversal valve 25 is provided with pressing plate 36, is set on accumulator 32
It is equipped with handle 34.
Spool 27 is provided with impacting between 21 inner wall of housing on the piston 9, with impacting 21 inner wall of housing on spool 27
Between be provided with spool guide sleeve 26, close to the position of 26 one end of spool guide sleeve between impact 21 inner wall of housing on spool 27
It is provided with fixing sleeve 23.
The outer cover 2 is connected with impact housing 21 by preceding terminal pad 37, and guide sleeve is provided between outer cover 2 and bit shank sleeve 4
1。
The pricker card 39 radially constrained to it is provided with the drill steel 38, is impacted close between housing 21 and piston 9
The position of fixing sleeve 23 is provided with protheca 22.
Between the piston 9 and spool 27 the first cavity F, the second cavity H, the 3rd are disposed with along the axial direction of piston 9
Cavity G, the 4th cavity I, the 5th cavity E.
The 6th cavity J, impact housing 21 and flow guide sleeve 33 are provided between the impact housing 21 and spool guide sleeve 26
Between be provided with the 7th cavity B.
In use, pure water divides two lines by water station：First enters distributing valve 24 by distributing valve water inlet A, warp
Cross reversal valve 25 to commutate, distributing valve water inlet A is connected with the 7th cavity B and is led by four uniformly distributed on 33 end face of flow guide sleeve
Stream set water flowing circular hole 45 makes the 7th cavity B be communicated with water storage cavity C, so that nonreturn valve core 28 overcomes spring 29 under hydraulic pressure effect
Active force the 7th cavity B is turned on the 5th cavity E, spool guide sleeve 26 moves forward, so as to fulfill the stroke of piston 9；
When 9 stroke of piston reaches certain distance, the second cavity H is communicated with the first cavity F, the 3rd cavity G, makes the second cavity H
Forced area increases, and piston 9 starts backhaul, and the second cavity H is communicated with the 4th cavity I during backhaul, is moved after spool guide sleeve 26, the
Four cavity I are communicated by inclined hole in spool guide sleeve 26 with the 6th cavity J, because reversal valve 25 is constantly in commutation operation, make
Six cavity J are communicated with distributing valve water outlet K, so as to fulfill 9 backhaul of piston and the reflux of pure water.
Article 2 is made 18 rotary work of hydraulic motor, is driven while motor rotation by the IN mouths of hydraulic motor 18
Level-one driving wheel 15 rotates, and level-one driving wheel 15 drives meshed level-one driven gear 17, level-one quilt while rotation
Moving gear 17, which rotates, drives synchronous driving wheel 11 to rotate；
When synchronous driving wheel 11 rotates, by the connection of synchronous belt, synchronous follower 7 is driven to be rotated, and because of synchronous quilt
The assembly relation of driving wheel 7 and bit shank sleeve 4, while synchronous follower 7 rotates, bit shank sleeve 4 also rotates together with, so as to fulfill water
The rotation of rock drill is pressed, drill steel 38 is installed in bit shank sleeve 4, when bit shank sleeve 4 drives and rotates in synchronous follower 7, drill steel 38
Also rotate together, by impact of the piston 9 to drill steel 38 and bit shank sleeve 4 drive its rotation so as to fulfill on rock rock drilling make
Industry.
Tap water can be used directly in the present invention, the closed cycle of high pressure water and low pressure water is realized, than air drill system
Unite energy saving more than 60%, it is lower than air drill system noise, it can reduce by more than 20% noise, and stabilization of speed of the present invention,
Steadily, can relax shock and vibration, the present invention is a kind of energy saving, environmentally friendly rock drill, its with cutting rate it is fast, make an uproar
Sound is low, without contaminated with oil mist, with small vibration, characteristics of energy saving, its alternative air drill largely used now, improves operator's
Working environment, reduces energy consumption, protects the physical and mental health of operator, can also widen and use on small-sized hydraulic drill carriage, may replace me
The some Imported of state's hydraulic gate, so as to reduce the cost of drill carriage, promotes drill carriage in the engineering construction such as mine and tunnel
Using.
Claims (16)
1. a kind of closed hydraulic drill, including outer cover（2）, outer cover（2）Inside it is provided with for drill steel to be fixedly mounted（38）'s
Tail end and piston（9）Bit shank sleeve（4）, it is characterised in that：Outer cover（2）External stability hydraulic motor is installed（18）, should
Hydraulic motor（18）Pass through three-level actuator drives bit shank sleeve（4）Rotate, outer cover（2）One end be connected with impact housing
（21）, impact housing（21）Inside being provided with prevents piston（9）There is the empty buffer unit beaten.
A kind of 2. closed hydraulic drill according to claim 1, it is characterised in that：The outer cover（2）Inside it is provided with
Core（5）, bit shank sleeve（4）Installed in core（5）It is interior.
A kind of 3. closed hydraulic drill according to claim 2, it is characterised in that：The core（5）Front end with
Outer cover（2）Cover body between pass through platen（3）Sealing, the platen（3）It is sleeved on bit shank sleeve（4）Outside and and bit shank sleeve（4）
Between be rotatablely connected.
A kind of 4. closed hydraulic drill according to claim 3, it is characterised in that：The core（5）Rear end with
Bit shank sleeve（4）Between be rotatablely connected.
A kind of 5. closed hydraulic drill according to claim 4, it is characterised in that：Three gear stage includes
Primary transmission mechanism, the primary transmission mechanism is by being fixedly mounted on hydraulic motor（18）Level-one driving wheel on power output shaft
（15）Composition, the level-one driving wheel（15）It is arranged on outer cover（2）Outside and by a closed chamber shell（16）Sealed.
A kind of 6. closed hydraulic drill according to claim 5, it is characterised in that：Three gear stage also wraps
Secondary drive mechanism is included, which is arranged on outer cover including wherein one end（2）, the other end be arranged on chamber shell（16）It is interior
Jackshaft（10）, jackshaft（10）Positioned at outer cover（2）Synchronous driving wheel is installed outside interior one end（11）, positioned at chamber shell
（16）Interior one end is provided with level-one follower（17）, the level-one follower（17）With level-one driving wheel（15）It is meshed.
A kind of 7. closed hydraulic drill according to claim 6, it is characterised in that：The jackshaft（10）Both ends
Respectively with outer cover（2）With chamber shell（16）Interior spacer（12）Rotation connection.
A kind of 8. closed hydraulic drill according to claim 7, it is characterised in that：Three gear stage also wraps
Three-level transmission mechanism is included, three-level transmission mechanism includes being installed on bit shank sleeve（4）It is upper to be located at core（5）Internal synchronous follower
（7）, the synchronization follower（7）With synchronous driving wheel（11）Between pass through toothed belt transmission.
A kind of 9. closed hydraulic drill according to claim 8, it is characterised in that：The buffer unit includes one end
For the accumulator of closing（32）, accumulator（32）With impacting housing（21）One end coaxially assemble.
A kind of 10. closed hydraulic drill according to claim 9, it is characterised in that：The impact housing（21）It is interior
Close to accumulator（32）Position be provided with flow guide sleeve（33）, and the flow guide sleeve（33）With accumulator（32）Internal close impact shell
Body（21）Position be connected through a screw thread, and accumulator（32）Interior close flow guide sleeve（33）Position offer loop configuration
Groove（41）.
A kind of 11. closed hydraulic drill according to claim 10, it is characterised in that：The flow guide sleeve（33）It is interior same
Axis is equipped with the nonreturn valve core that can be moved back and forth（28）, nonreturn valve core（28）With flow guide sleeve（33）Between close to flow guide sleeve（33）
The position of one end is coaxially equipped with the check valve core retainer plate that can be moved back and forth（30）.
A kind of 12. closed hydraulic drill according to claim 11, it is characterised in that：The accumulator（32）Inside lean on
Nearly flow guide sleeve（33）Position be provided with and nonreturn valve core（28）Be used cooperatively and section is the leather bag of semicircular structure（42）.
A kind of 13. closed hydraulic drill according to claim 12, it is characterised in that：The leather bag（42）It is cylindrical
Upper close flow guide sleeve（33）Position be provided with and groove（41）The boss for the loop configuration being used cooperatively（43）.
A kind of 14. closed hydraulic drill according to claim 13, it is characterised in that：The leather bag（42）With water conservancy diversion
Set（33）Between be provided with water storage cavity（C）, flow guide sleeve（33）On offer multiple and water storage cavity（C）The flow guide sleeve water flowing circle communicated
Hole（45）.
A kind of 15. closed hydraulic drill according to claim 14, it is characterised in that：The flow guide sleeve（33）It is interior remote
From leather bag（42）One end and check valve core retainer plate（30）Away from leather bag（42）One end between be provided with spring（29）.
A kind of 16. closed hydraulic drill according to claim 15, it is characterised in that：The nonreturn valve core（28）On
Close to water storage cavity（C）One end be bolted with and can promote check valve core retainer plate（30）Mobile and section is female for trapezoidal locking（31）.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711386023.0A CN107905722B (en) | 2017-12-20 | 2017-12-20 | Closed hydraulic rock drill |
| PCT/CN2018/120797 WO2019120127A1 (en) | 2017-12-20 | 2018-12-13 | Closed hydraulic rock drill |
| ZA2020/04328A ZA202004328B (en) | 2017-12-20 | 2020-07-14 | Closed hydraulic rock drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711386023.0A CN107905722B (en) | 2017-12-20 | 2017-12-20 | Closed hydraulic rock drill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107905722A true CN107905722A (en) | 2018-04-13 |
| CN107905722B CN107905722B (en) | 2024-03-08 |
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ID=61870499
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711386023.0A Active CN107905722B (en) | 2017-12-20 | 2017-12-20 | Closed hydraulic rock drill |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN107905722B (en) |
| WO (1) | WO2019120127A1 (en) |
| ZA (1) | ZA202004328B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019120127A1 (en) * | 2017-12-20 | 2019-06-27 | 山东天瑞重工有限公司 | Closed hydraulic rock drill |
| CN113738268A (en) * | 2021-09-13 | 2021-12-03 | 中国铁建重工集团股份有限公司 | Impact rock drilling equipment |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113863854A (en) * | 2021-09-30 | 2021-12-31 | 中铁十四局集团电气化工程有限公司 | Device for tunnel maintenance |
| CN118148980B (en) * | 2024-05-10 | 2024-07-02 | 烟台乐匠液压机械有限公司 | Rotary impact crushing device with high-speed reversing valve |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107905722B (en) | 2024-03-08 |
| WO2019120127A1 (en) | 2019-06-27 |
| ZA202004328B (en) | 2021-08-25 |
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