CN107939295A - Rock drilling machinery hydraulic pressure integration drill carriage - Google Patents
Rock drilling machinery hydraulic pressure integration drill carriage Download PDFInfo
- Publication number
- CN107939295A CN107939295A CN201711496726.9A CN201711496726A CN107939295A CN 107939295 A CN107939295 A CN 107939295A CN 201711496726 A CN201711496726 A CN 201711496726A CN 107939295 A CN107939295 A CN 107939295A
- Authority
- CN
- China
- Prior art keywords
- drill bit
- hydraulic pressure
- segment
- tube wall
- compared
- 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
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 59
- 239000011435 rock Substances 0.000 title claims abstract description 42
- 230000010354 integration Effects 0.000 title claims abstract description 19
- 238000005520 cutting process Methods 0.000 claims abstract description 43
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 claims abstract description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/42—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
- E21B10/43—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits characterised by the arrangement of teeth or other cutting elements
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
- E21B10/602—Drill bits characterised by conduits or nozzles for drilling fluids the bit being a rotary drag type bit with blades
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/16—Plural down-hole drives, e.g. for combined percussion and rotary drilling; Drives for multi-bit drilling units
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/02—Drilling rigs characterized by means for land transport with their own drive, e.g. skid mounting or wheel mounting
- E21B7/025—Rock drills, i.e. jumbo drills
Abstract
The invention discloses a kind of rock drilling machinery hydraulic pressure integration drill carriage, including drill bit assembly, the drill bit assembly includes drilling pipe and the impact member in drilling pipe；The drilling pipe includes drillstock section, chip ejection segment thereupon, drill bit segment successively, wherein, drill bit segment diameter is not less than the diameter of chip ejection segment thereupon；The drill bit segment and the tube wall end face of rock stratum contact jaw are equipped with some V-shaped cutting edges, cutting edge is arranged on tube wall end face raisedly, all cutting edges using the point on drilling pipe axis as the rounded array in the center of circle, along drilling pipe direction of rotation arrange by the wedge angle of cutting edge；The tube wall of the chip ejection segment thereupon connects in coniform and its big end with the drill bit segment away from one end of cutting edge, is equipped with spiral helicine chip space along its length on the tube wall of chip ejection segment thereupon；The present invention substantially increases drilling efficiency.
Description
Technical field
The invention belongs to drill wagon for jack hammer technical field, more particularly to a kind of efficient hydraulic control rock drilling machinery hydraulic pressure one
Change drill carriage.
Background technology
Tunnelling and ore extraction of the people to solid rock, always mainly use drill-blasting method；It is because this
Method energy consumption is small, cost is low.But rock drilling is heavier production link, manually or airleg rock drill rock drilling, work are strong
Degree is big, work efficiency is low, operating condition is poor, cannot meet growing industrial needs.Realize rock drilling machinery and
Automation of Manufacturing Process, is the objective of the struggle of mine worker.
Continuous with mine engineering scale expands with the manufacturing development of mining machinery, the rock drilling machinery hydraulic pressure newly developed
Integrated drill carriage is increasingly becoming the capital equipment of mechanized drilling.Its advantage is：It can make to obtain in driving speed and mining work efficiency
Certain raising, mitigates the labor intensity of worker, improves operating condition.Various rock drilling machinery hydraulic pressure integration drill carriages extensively should
With the raising for indicating Mechanion degree.Rock drilling machinery hydraulic pressure integration drill carriage is also known as drill jumbo, abbreviation drill carriage or platform
Car.Sustainable rock drill Drilling petrosal foramen and the machinery walked by various power, by pusher, drill boom and its amplitude modulation machine
Structure, drill carriage frame, walking mechanism etc. form.There is mining drill carriage, outdoor drill carriage, driving drill carriage, roofboltier, underwater drill carriage, general
Drill carriage, joint seven class of drill carriage, are divided into crawler type, rubber-tyred, rail wheel type three classes by running gear, can be self-propelled or traction
Formula.Be divided into unit fluid pressure type, two-shipper fluid pressure type and multimachine fluid pressure type three by the number of working arm, and hydraulic pressure due to mechanical mechanism
Somewhat simplify a bit, less heaviness makes for itself, with more in engineering.
Existing rock drilling machinery hydraulic pressure integration drill carriage generally use is that common drill bit is punchinged, due to part rock
Stone hardness is higher, and therefore, when drill carriage runs into hard rock stratum, drill bit just loses effect, bores without preceding, or promotes abnormal
Slowly, drilling efficiency is greatly reduced, its own limitation is larger, still treats further to improve.
The content of the invention
It is an object of the invention to provide a kind of rock drilling machinery hydraulic pressure integration drill carriage, rock drilling machinery hydraulic pressure integration is bored
It is low that car efficiently solves existing rock drilling machinery hydraulic pressure integration drill carriage drilling efficiency, runs into hard rock stratum and is difficult to normally promote
Technical problem.
Technical scheme is as follows：
A kind of rock drilling machinery hydraulic pressure integration drill carriage, including drill bit assembly, the drill bit assembly include drilling pipe and positioned at brills
Impact member in pipe；
The drilling pipe includes drillstock section, chip ejection segment thereupon, drill bit segment successively, wherein, drill bit segment diameter is straight not less than chip ejection segment thereupon
Footpath；The drill bit segment and the tube wall end face of rock stratum contact jaw are equipped with some V-shaped cutting edges, and cutting edge is arranged at raisedly
On tube wall end face, using the point on drilling pipe axis as the rounded array in the center of circle, the wedge angle of cutting edge revolves all cutting edges along drilling pipe
Turn direction arrangement；The tube wall of the chip ejection segment thereupon deviates from one end phase of cutting edge in coniform and its big end with the drill bit segment
Connect, be equipped with spiral helicine chip space along its length on the tube wall of chip ejection segment thereupon；
The impact member includes hydraulic tube, hydraulic joint, trip rod and cylindrical spring；The pore of hydraulic tube is by two
The stepped hole that circular hole of different sizes is formed；The multi-diameter shaft that the trip rod is made of two sections cylinder of different sizes, wherein, compared with
The free end of small column is in cone, and piston is fixed with the free end of larger cylinder；The larger cylinder is worn positioned at the rank
Relatively in big hole of terraced hole, and the piston can do close movement in compared with big hole, ladder is stretched out in the free end compared with small column
The relatively small sircle hole of axis, is equipped between the larger cylinder and the step of stepped hole and is sleeved on compared with the cylinder bullet on small column
Spring；The hydraulic joint is fixed on the aperture compared with big hole；
The fixedly embedded inside drill pipe of the hydraulic tube and described stretched out compared with small column compared with one end of small sircle hole and described
Drill bit segment is located at the same end.
Further, the both ends of the cylindrical spring are respectively equipped with plain cushion made of hard alloy, two plain cushions respectively with
The step surface of the step surface of stepped hole and the multi-diameter shaft is close to set.
Further, the cross section semicircular in shape of the chip space.
Further, the cone angle of the chip space is 5.6 degree.
Further, the drill bit segment is identical with the diameter of chip ejection segment thereupon joint.
Further, 4 grooves opened up along circular conical surface generatrix direction are offered on the circular conical surface compared with small column free end,
The cross section of the groove is V-shaped, and four grooves are using the point on circular conical surface axis as the rounded array in the center of circle.
Further, the free end of the drillstock section is fixed with travelling gear.
Further, section of the sharp corner of the cutting edge at the equidistant point of cutting edge V-structure rectangular three
It is angular, and two right-angle sides of the right angled triangle are located on drilling pipe tube wall end face and perpendicular to tube wall end face respectively.
Beneficial effects of the present invention：The present invention cuts rock stratum using the V-shaped cutting edge of circular arrangement, due to cutting
Blade tip angle is arranged along drilling pipe circumgyration incision direction, therefore cutting efficiency is high and cutting blade structure stability is preferable, is not easy to collapse
Sword, meanwhile, on the basis of the structure design, an impact member is additionally also provided with, utilizes hitting in hydraulic actuating fluid pressure pipe
The rock stratum shock that bar carries out cut place is hit, the cutting of one side assisted machining sword, destroys rock stability structure so that the cutting of surrounding
Sword cutting is rapider, convenient, and the shock that hard rock stratum carries out high intensity can be directed to when on the other hand running into hard rock stratum, will
Hard rock stratum smashes, and is normally cut so that cutting edge is quick, meanwhile, chip ejection segment thereupon, and chip removal are set with drill bit segment joint
Section diameter is not more than drill bit segment so that the chip for boring, hitting generation is excluded rapidly by spiral groove at the first time, is improved again
Drilling efficiency.
It can be seen from the above that the present invention substantially increases drilling efficiency, the drilling for hard rock stratum is promoted with fairly obvious
Facilitation, adaptability is extremely strong.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
Fig. 2 is the end view of drill bit segment.
Fig. 3 is the cross-sectional view of the conical end compared with small column.
Fig. 4 is a kind of schematic cross-section of cutting edge.
Fig. 5 is the front view of cutting edge shown in Fig. 4.
Fig. 6 is the top view of cutting edge shown in Fig. 4.
Fig. 7 is another schematic cross-section of cutting edge.
Component label instructions：Hydraulic joint 1, drilling pipe 2, hydraulic tube 3, trip rod 4, cylindrical spring 5, plain cushion 6, piston 7, biography
Moving gear 8, drill bit segment 201, chip ejection segment thereupon 202, drillstock section 203, chip space 204, larger cylinder 401, compared with small column 402, cutting
Sword 2011, groove 4021.
Embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book understands other advantages and effect of the present invention easily.
Below in conjunction with the accompanying drawings 1-7 and embodiment the invention will be further described：
As shown in Fig. 1-3, a kind of rock drilling machinery hydraulic pressure integration drill carriage, including drill bit assembly, the drill bit assembly include
Drilling pipe 2 and the impact member in drilling pipe 2.
The drilling pipe 2 includes drillstock section 203, chip ejection segment thereupon 202, drill bit segment 201 successively, wherein, 201 diameter of drill bit segment is not small
In the diameter of chip ejection segment thereupon 202；The drill bit segment 201 and the tube wall end face of rock stratum contact jaw are equipped with some V-shaped cutting edges
2011, cutting edge 2011 is arranged on tube wall end face raisedly, and all cutting edges 2011 are in as the center of circle using the point on 2 axis of drilling pipe
Circular array, the wedge angle of cutting edge 2011 are arranged along 2 direction of rotation of drilling pipe；The tube wall of the chip ejection segment thereupon 202 is in circular cone
One end that shape and its big end deviate from cutting edge 2011 with the drill bit segment 201 connects, along it on the tube wall of chip ejection segment thereupon 202
Length direction is equipped with spiral helicine chip space 204.
The impact member includes hydraulic tube 3, hydraulic joint 1, trip rod 4 and cylindrical spring 5；The pore of hydraulic tube 3 is
The stepped hole being made of two circular holes of different sizes；The multi-diameter shaft that the trip rod 4 is made of two sections cylinder of different sizes,
Wherein, the free end compared with small column 402 is in cone, and piston 7 is fixed with the free end of larger cylinder 401；It is described compared with great circle
Column 401 is worn positioned at the stepped hole relatively in big hole, and the piston 7 can do close movement in compared with big hole, compared with roundlet
The relatively small sircle hole of multi-diameter shaft is stretched out in the free end of column 402, is equipped with and is sleeved between the larger cylinder 401 and the step of stepped hole
Compared with the cylindrical spring 5 on small column 402；The hydraulic joint 1 is fixed on the aperture compared with big hole.
The fixedly embedded inside of drilling pipe 2 of the hydraulic tube 3 and it is described compared with small column 402 stretch out compared with small sircle hole one end and
The drill bit segment 201 is located at the same end.
Further, the both ends of the cylindrical spring 5 are respectively equipped with plain cushion 6 made of hard alloy, and two plain cushions 6 are distinguished
It is close to set with the step surface of stepped hole and the step surface of the multi-diameter shaft, can be more preferable using plain cushion made of hard alloy 6
Ground contacts with cylindrical spring 5 and has more wearability, exercise performance of the lifting trip rod 4 as piston rod.
Further, the cross section semicircular in shape of the chip space 204, preferably to exclude drilling cuttings, lifts usability
Energy.
Further, the cone angle of the chip space 204 is 5.6 degree, and the chip removal effect of the chip space 201 under the cone angle is more
It is good.
Further, the drill bit segment 201 is identical with the diameter of 202 joint of chip ejection segment thereupon, so that drilling cuttings smoothly transmits
To chip ejection segment thereupon 202 so that chip removal is more unobstructed.
Further, offered on the circular conical surface compared with 402 free end of small column 4 opened up along circular conical surface generatrix direction it is recessed
Groove 4021, the cross section of the groove 4021 is V-shaped, and included angle A is advisable for 30 degree, and four grooves 4021 are with circular conical surface axis
Point is the rounded array in the center of circle, and after which is set, trip rod 4 hits rock stratum and divides crushing effect more preferably.
Further, the free end of the drillstock section 203 is fixed with travelling gear 8, will pass through gear engaged transmission, just
In being connected transmission with external connection power equipment.
Further, as shown in Fig. 4-7；The sharp corner of the cutting edge 2011 is put down at the angle of cutting edge 2011V type structures
The rectangular triangle in section (shown in Fig. 4) at facet, and two right-angle sides of the right angled triangle are located at 2 tube wall end of drilling pipe respectively
On face and perpendicular to tube wall end face, the cutting edge of the design is sharper, can lift the stock-removing efficiency of cutting edge.And at its right angle
Some rectangular-shaped protrusions can also be set to carry out lift structure intensity at bevel edge, prevent tipping.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe
Know the personage of this technology all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete without departing from disclosed spirit and institute under technological thought such as
Into all equivalent modifications or change, should by the present invention claim be covered.
Claims (8)
1. a kind of rock drilling machinery hydraulic pressure integration drill carriage, including drill bit assembly, it is characterised in that the drill bit assembly includes drilling pipe
With the impact member in drilling pipe；
The drilling pipe includes drillstock section, chip ejection segment thereupon, drill bit segment successively, wherein, drill bit segment diameter is not less than the diameter of chip ejection segment thereupon；Institute
State drill bit segment and the tube wall end face of rock stratum contact jaw is equipped with some V-shaped cutting edges, cutting edge is arranged at tube wall raisedly
On end face, all cutting edges are using the point on drilling pipe axis as the rounded array in the center of circle, and the wedge angle of cutting edge is along drilling pipe rotation side
To arrangement；The tube wall of the chip ejection segment thereupon connects in coniform and its big end with the drill bit segment away from one end of cutting edge,
It is equipped with spiral helicine chip space along its length on the tube wall of chip ejection segment thereupon；
The impact member includes hydraulic tube, hydraulic joint, trip rod and cylindrical spring；The pore of hydraulic tube is by two sizes
The stepped hole that different circular holes is formed；The multi-diameter shaft that the trip rod is made of two sections cylinder of different sizes, wherein, compared with roundlet
The free end of column is in cone, and piston is fixed with the free end of larger cylinder；The larger cylinder is worn positioned at the stepped hole
Relatively in big hole, and the piston can do close movement in compared with big hole, and multi-diameter shaft is stretched out in the free end compared with small column
Compared with small sircle hole, it is equipped with and is sleeved on compared with the cylindrical spring on small column between the larger cylinder and the step of stepped hole；Institute
State hydraulic joint and be fixed on the aperture compared with big hole；
The fixedly embedded inside drill pipe of hydraulic tube and one end and the drill bit stretched out compared with small column compared with small sircle hole
Section is located at the same end.
2. rock drilling machinery hydraulic pressure integration drill carriage according to claim 1, it is characterised in that the both ends of the cylindrical spring point
Not She You plain cushion made of hard alloy, two plain cushions are close to the step surface of stepped hole and the step surface of the multi-diameter shaft respectively
Set.
3. rock drilling machinery hydraulic pressure integration drill carriage according to claim 2, it is characterised in that the cross section of the chip space is in
It is semicircle.
4. rock drilling machinery hydraulic pressure integration drill carriage according to claim 3, it is characterised in that the cone angle of the chip space is
5.6 degree.
5. rock drilling machinery hydraulic pressure integration drill carriage according to claim 3, it is characterised in that the drill bit segment and chip ejection segment thereupon phase
The diameter for meeting place is identical.
6. according to any one of the claim 1-5 rock drilling machinery hydraulic pressure integration drill carriage, it is characterised in that compared with small column certainly
By offering 4 grooves opened up along circular conical surface generatrix direction on the circular conical surface held, the cross section of the groove is V-shaped, four
Groove is using the point on circular conical surface axis as the rounded array in the center of circle.
7. rock drilling machinery hydraulic pressure integration drill carriage according to claim 6, it is characterised in that the free end of the drillstock section is consolidated
Surely there is travelling gear.
8. rock drilling machinery hydraulic pressure integration drill carriage according to claim 7, it is characterised in that the sharp corner of the cutting edge exists
The rectangular triangle in section at the equidistant point of cutting edge V-structure, and two right-angle sides of the right angled triangle are located at respectively
On drilling pipe tube wall end face and perpendicular to tube wall end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711496726.9A CN107939295B (en) | 2017-12-31 | Hydraulic integrated drill carriage of rock drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711496726.9A CN107939295B (en) | 2017-12-31 | Hydraulic integrated drill carriage of rock drilling machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107939295A true CN107939295A (en) | 2018-04-20 |
| CN107939295B CN107939295B (en) | 2024-04-19 |
Family
ID=
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113006718A (en) * | 2021-01-26 | 2021-06-22 | 成英 | Engineering drilling and production integrated working line |
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|---|---|---|---|---|
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113006718A (en) * | 2021-01-26 | 2021-06-22 | 成英 | Engineering drilling and production integrated working line |
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