CN106522833B - A kind of shaft drilling machine of blast hole and central relief aperture while drilling - Google Patents

A kind of shaft drilling machine of blast hole and central relief aperture while drilling Download PDF

Info

Publication number
CN106522833B
CN106522833B CN201611256106.3A CN201611256106A CN106522833B CN 106522833 B CN106522833 B CN 106522833B CN 201611256106 A CN201611256106 A CN 201611256106A CN 106522833 B CN106522833 B CN 106522833B
Authority
CN
China
Prior art keywords
relief aperture
central relief
drilling machine
hydraulic cylinder
drilling
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.)
Active
Application number
CN201611256106.3A
Other languages
Chinese (zh)
Other versions
CN106522833A (en
Inventor
屈晓斌
张兆英
刘晓倩
刘建
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhangjiakou Xuanhua Huatai Mining & Metallurgic Machinery Co Ltd
Original Assignee
Zhangjiakou Xuanhua Huatai Mining & Metallurgic Machinery Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhangjiakou Xuanhua Huatai Mining & Metallurgic Machinery Co Ltd filed Critical Zhangjiakou Xuanhua Huatai Mining & Metallurgic Machinery Co Ltd
Priority to CN201611256106.3A priority Critical patent/CN106522833B/en
Publication of CN106522833A publication Critical patent/CN106522833A/en
Application granted granted Critical
Publication of CN106522833B publication Critical patent/CN106522833B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00Special methods or apparatus for drilling
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B15/00Supports for the drilling machine, e.g. derricks or masts
    • E21B15/003Supports for the drilling machine, e.g. derricks or masts adapted to be moved on their substructure, e.g. with skidding means; adapted to drill a plurality of wells
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B15/00Supports for the drilling machine, e.g. derricks or masts
    • E21B15/04Supports for the drilling machine, e.g. derricks or masts specially adapted for directional drilling, e.g. slant hole rigs
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D1/00Sinking shafts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Earth Drilling (AREA)

Abstract

The invention discloses the shaft drilling machines that a kind of blast hole and central relief aperture are crept into simultaneously, including central relief aperture drilling machine, it further include the shift unit for being located at the rock drill of central relief aperture drilling machine side and rock drill change bore position capable of being made, the rock drill is connect by shift unit with central relief aperture drilling machine, further includes the power transmission device being connected between central relief aperture drilling machine and rock drill.The present invention installs rock drill in central relief aperture drilling machine side, it is connected between central relief aperture drilling machine and rock drill by mobile device, central relief aperture drilling machine can construct simultaneously with rock drill, rock drill and central relief aperture drilling machine interconnect support mutually, can bear the huge torque of Drilling central relief aperture generation.Device layout of the invention is reasonable, easy to maintain, and blast hole can be made to position, and convenient and efficient, equipment installing and dismounting is foldable, convenient transportation, can accelerate probing progress, improve construction efficiency.

Description

A kind of shaft drilling machine of blast hole and central relief aperture while drilling
Technical field
The present invention relates to drilling rig technique field, the vertical shaft that especially a kind of blast hole and central relief aperture are crept into simultaneously is bored Machine.
Background technique
With the rapid growth of Chinese national economy, the fast development of China's mining industry, while mining have been pulled It is largely gone underground by outdoor, the workload of vertical shaft or the construction of perpendicular lane largely increases.Vertical shaft or the construction of perpendicular lane are mainly adopted at present With drill bursting construction, work progress are as follows: elder generation's Drilling in construction surface with certain rule drills out the explosion of a certain number of minor diameters Hole, blast hole are annularly distributed, and then in one larger-diameter relief hole of center of working face Drilling, are scraped rock for explosive blasting Stone provides an explosion Free up Memory, strengthens demolition effect.
In the prior art, the construction of vertical shaft Drilling it is mostly be using a central relief aperture drilling machine, can not Drilling blast hole simultaneously And central relief aperture, since central relief aperture drilling machine can generate huge rotary torque, existing central relief aperture drilling machine can not Bear generated huge torque when Drilling central relief aperture.
Summary of the invention
Technical problem to be solved by the invention is to provide the vertical shaft brills that a kind of blast hole and central relief aperture are crept into simultaneously Machine, can Drilling blast hole and central relief aperture operation simultaneously, rock drill and central relief aperture drilling machine interconnect support mutually, The huge torque of Drilling central relief aperture generation can be born, there is blast hole to position, and convenient, equipment installation and transportation are convenient, accelerate to bore Spy progress improves the characteristics of construction efficiency.
In order to solve the above technical problems, the technical solution used in the present invention is: a kind of blast hole and central relief aperture are same When the shaft drilling machine that creeps into, including central relief aperture drilling machine, it is characterised in that: further include being located at central relief aperture drilling machine side Rock drill and the shift unit that can make rock drill change bore position, the rock drill are bored by shift unit and central relief aperture Machine connection, further includes the power transmission device being connected between central relief aperture drilling machine and rock drill.
It is to further improvement of the present invention:
The rock drill includes rock drilling host, channel steel stand, the 4th hydraulic cylinder and rock drilling driver drilling rod;The channel steel stand is It is connected between two openings channel steel facing forward by vertical plate, the rock drilling host is mounted on the sliding rail of channel steel stand top rear face On, the lower end of the 4th hydraulic cylinder is fixed on the transverse slat between two channel steels of channel steel stand, the 4th hydraulic cylinder piston rod Rock drilling host hanging plate between upper end and two channel steels for protruding into channel steel stand is connected.
The shift unit includes guide rail snap-gauge, sliding groove box, third hydraulic cylinder, swing arm, second hydraulic cylinder, supporting plate, One hydraulic cylinder and swing arm;The guide rail snap-gauge forms sliding recess, the sliding before being symmetrically fixed in the middle part of channel steel stand The section of slot box is rectangle and is equipped with plate guide rail, and the plate guide rail is mounted in sliding recess, the third hydraulic cylinder Bottom is fixed in sliding groove box, and third hydraulic cylinder piston rod upper end and the connector of channel steel stand upper end are hinged;The sliding The lower end of slot box and swing arm lower end are hinged;The piston rod of the second hydraulic cylinder and supporting plate upper end are hinged, the supporting plate Lower end and swing arm lower end are hinged, and the cylinder barrel right end and swing arm of second hydraulic cylinder are hinged, the piston rod of the first hydraulic cylinder with Swing arm is hinged, and the cylinder barrel right end of first hydraulic cylinder and the left lower of swing arm are hinged, in the left upper portion and swing arm of the swing arm End is hinged.
The central relief aperture drilling machine includes center drill unit, bit trips fixture, pedestal, power pump station, umbrella drilling rig, drive Dynamic device and rotating cylinder;The lower part of the center drill unit is equipped with bit trips fixture, and the bit trips fixture is located on pedestal, center Drill bit of drilling machine passes through the centre bore of pedestal, power pump station and umbrella drilling rig is successively installed upward on the top of center drill unit, in institute State the vertical shaft top suit driver of umbrella drilling rig, the periphery of driver is equipped with rotating cylinder, set on the outer peripheral surface of rotating cylinder there are three The connecting plate in strap bolt hole is separated by 120 degree between each connecting plate;The right part of the swing arm and one in three connecting plates It is bolted.
The power transmission device is the hydraulic oil pipeline being connected between power pump station and the power cylinder of rock drill Or compressed air line.
The pedestal is set there are three fixed arm, is hinged boom hydraulic cylinder, each boom hydraulic cylinder on each fixed arm Piston rod outer end be respectively arranged with vertical leg.
Compressed air control valve is added, the compressed air control valve is mounted on rock drill lower part, controls in compressed air Compressed air line is connected between valve and power pump station, compressed air control valve controls the upper and lower of rock drilling driver drilling rod and rotation is dynamic Make.
It is dug the beneficial effects of adopting the technical scheme are that the present invention is installed in central relief aperture drilling machine side Rock machine is connected between central relief aperture drilling machine and rock drill by mobile device, and central relief aperture drilling machine and rock drill can be simultaneously Construction, rock drill Drilling blast hole, central relief aperture and blast hole are crept into simultaneously, since blast hole rate of penetration is discharged than center Hole rate of penetration block can make rock drill be transferred to another position after the completion of a blast hole by shift unit, carry out The drilling of next blast hole.Power pump station is multiple equipment with a dynamical system while providing power, rock drill and center It discharges drilling machine and interconnects support mutually, the huge torque of Drilling central relief aperture generation can be born.Equipment cloth of the invention Office is rationally, easy to maintain, and blast hole can be made to position, and convenient and efficient, equipment installing and dismounting is foldable, convenient transportation, can accelerate to drill Progress improves construction efficiency.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention;
Fig. 2 is the bottom view of Fig. 1;
Fig. 3 is the structural schematic diagram of the rock drill and shift unit in Fig. 1;
Fig. 4 is the left view of Fig. 3;
Fig. 5 is the portion the A enlarged drawing in Fig. 4;
Fig. 6 is the B-B cross-section diagram in Fig. 5;
Fig. 7 is the C-C cross-section diagram in Fig. 4;
Fig. 8 is the structural schematic diagram of the pedestal articulated knuckle hydraulic cylinder in Fig. 2.
Component and its label as shown in the figure: third hydraulic cylinder piston rod 1, rock drilling host 2, swing arm 3, first hydraulic cylinder 4, umbrella Shape drilling cramp 5, rotating cylinder 6, swing arm 7, driver 8, vertical shaft 9, power pump station 10, center drill unit 11, bit trips fixture 12, pedestal 13, leg 14, boom hydraulic cylinder 15, center drill unit drill bit 16, central relief aperture 17, ground 18, blast hole 19, rock drilling driver drilling rod are found 20, compressed air control valve 21, supporting plate 22, second hydraulic cylinder 23, sliding groove box 24, guide rail snap-gauge 25, third hydraulic cylinder 26, slot Steel stand 27, the 4th hydraulic cylinder 28, the 4th hydraulic cylinder piston rod 29, rock drilling host hanging plate 30, plate guide rail 31.
Specific embodiment
Embodiment 1: a kind of shaft drilling machine of blast hole and central relief aperture while drilling, including central relief aperture drilling machine, It is characterized by also including the rock drill for being located at central relief aperture drilling machine side and the displacements that rock drill can be made to change bore position Device, the rock drill are connect by shift unit with central relief aperture drilling machine, further include be connected to central relief aperture drilling machine and Power transmission device between rock drill.The rock drill includes rock drilling host 2, channel steel stand 27, the 4th hydraulic cylinder 28 and chisel Rock driver drilling rod 20;The channel steel stand 27 is to be connected between two openings channel steel facing forward by vertical plate, and the rock drilling host 2 is pacified On the sliding rail of 27 top rear face of channel steel stand, the lower end of the 4th hydraulic cylinder 28 is fixed on two slots of channel steel stand 27 Rock drilling host on transverse slat between steel, between 29 upper end of the 4th hydraulic cylinder piston rod and two channel steels for protruding into channel steel stand 27 Hanging plate 30 is connected.The shift unit includes guide rail snap-gauge 25, sliding groove box 24, third hydraulic cylinder 26, swing arm 3, the second liquid Cylinder pressure 23, supporting plate 22, first hydraulic cylinder 4 and swing arm 7;The guide rail snap-gauge 25 is symmetrically fixed on before 27 middle part of channel steel stand Sliding recess is formed, the section of the sliding groove box 24 is rectangle and is equipped with plate guide rail 31, and the plate guide rail 31 is mounted on In sliding recess, the bottom of the third hydraulic cylinder 26 is fixed in sliding groove box 24,1 upper end of third hydraulic cylinder piston rod and slot The connector of 27 upper end of steel stand is hinged;The lower end of the sliding groove box 24 and 3 lower end of swing arm are hinged;Described second is hydraulic The piston rod of cylinder 23 and 22 upper end of supporting plate are hinged, and the lower end and 3 lower end of swing arm of the supporting plate 22 are hinged, second hydraulic cylinder 23 Cylinder barrel right end and swing arm 3 are hinged, and the piston rod and swing arm 3 of the first hydraulic cylinder 4 are hinged, the cylinder barrel right end of first hydraulic cylinder 4 Hinged with the left lower of swing arm 7, the left upper portion of the swing arm 7 and 3 upper end of swing arm are hinged.The central relief aperture drilling machine Including center drill unit 11, bit trips fixture 12, pedestal 13, power pump station 10, umbrella drilling rig 5, driver 8 and rotating cylinder 6;It is described The lower part of center drill unit 11 is equipped with bit trips fixture 12, and the bit trips fixture 12 is located on pedestal 13, centre drill machine drill First 16 pass through the centre bore of pedestal 13, successively install power pump station 10 and umbrella drilling rig 5 upward on the top of center drill unit 11, 9 top of vertical shaft of the umbrella drilling rig 5 is set with driver 8, and the periphery of driver 8 is equipped with rotating cylinder 6, on the outer peripheral surface of rotating cylinder 6 If being separated by 120 degree between each connecting plate there are three the connecting plate in strap bolt hole;The right part of the swing arm 7 is connect with three One in plate is bolted.The power transmission device is the power cylinder for being connected to power pump station 10 Yu rock drill Between hydraulic oil pipeline or compressed air line.The pedestal 13 is set there are three fixed arm, is hinged on each fixed arm Boom hydraulic cylinder 15, the piston rod outer end of each boom hydraulic cylinder 15 are respectively arranged with vertical leg 14.Add compressed air control valve 21, institute It states compressed air control valve 21 and is mounted on rock drill lower part, compression is connected between compressed air control valve 21 and power pump station 10 Air pipe line, compressed air control valve 21 control the upper and lower and spinning movement of rock drilling driver drilling rod.
Application method:
One, power pump station 10 is that driver 8 provides the rotation of power drive rotating cylinder 6, drives swing arm 3 and rock drill displacement, makes Rock drill changes bore position.
Two, when equipment is installed, rock drill can be connect by swing arm 3 with any one in three connecting plates, and positioning is quick Accurately.
Three, the rock drilling host hanging plate between 29 upper end of the 4th hydraulic cylinder piston rod and two channel steels for protruding into channel steel stand 27 30 are connected, and rock drilling host 2 can move up and down in channel steel stand 27, realize feeding when rock drill work and return dynamic Make.
Four, 1 upper end of third hydraulic cylinder piston rod and the connector of 27 upper end of channel steel stand are hinged, to realize channel steel stand 27 Bottom end close proximity to ground in rock drilling avoids the shaking in rock drilling of rock drilling host 2.
Five, it is swung by the flexible driving swing arm 3 of first hydraulic cylinder 4 relative to swing arm 7, makes to cut with scissors with 3 lower end of swing arm Third hydraulic cylinder 26 in the sliding groove box 24 of connection moves, and channel steel stand 27 is made to leave ground to change bore position.
Six, it is moved by the flexible driving swing arm 3 of second hydraulic cylinder 23 itself, to adjust angle of the rock drill relative to ground Degree.

Claims (6)

1. the shaft drilling machine that a kind of blast hole and central relief aperture are crept into simultaneously, including central relief aperture drilling machine, it is characterised in that: It further include the shift unit for being located at the rock drill of central relief aperture drilling machine side and rock drill change bore position capable of being made, the chisel Rock machine is connect by shift unit with central relief aperture drilling machine, further includes being connected between central relief aperture drilling machine and rock drill Power transmission device;The shift unit includes guide rail snap-gauge (25), sliding groove box (24), third hydraulic cylinder (26), swing arm (3), second hydraulic cylinder (23), supporting plate (22), first hydraulic cylinder (4) and swing arm (7);The guide rail snap-gauge (25) is symmetrically fixed on Sliding recess is formed before in the middle part of channel steel stand (27), the section of the sliding groove box (24) is rectangle and is equipped with plate guide rail (31), the plate guide rail (31) is mounted in sliding recess, and the bottom of the third hydraulic cylinder (26) is fixed on sliding groove box (24) in, third hydraulic cylinder piston rod (1) upper end and the connector of channel steel stand (27) upper end are hinged;The sliding groove box (24) Lower end and swing arm (3) lower end it is hinged;The piston rod of the second hydraulic cylinder (23) and supporting plate (22) upper end are hinged, described The lower end of supporting plate (22) and swing arm (3) lower end are hinged, and the cylinder barrel right end of second hydraulic cylinder (23) and swing arm (3) are hingedly, described The piston rod of first hydraulic cylinder (4) and swing arm (3) hingedly, the cylinder barrel right end of first hydraulic cylinder (4) and the left lower of swing arm (7) Hingedly, the left upper portion of the swing arm (7) and swing arm (3) upper end are hinged.
2. the shaft drilling machine that a kind of blast hole according to claim 1 and central relief aperture are crept into simultaneously, it is characterised in that: The rock drill includes rock drilling host (2), channel steel stand (27), the 4th hydraulic cylinder (28) and rock drilling driver drilling rod (20);The slot Steel stand (27) is to be connected between two openings channel steel facing forward by vertical plate, and the rock drilling host (2) is mounted on channel steel stand (27) on the sliding rail of top rear face, the lower end of the 4th hydraulic cylinder (28) is fixed between two channel steels of channel steel stand (27) Transverse slat on, rock drilling host between the 4th hydraulic cylinder piston rod (29) upper end and two channel steels for protruding into channel steel stand (27) is hung Plate (30) is connected.
3. the shaft drilling machine that a kind of blast hole according to claim 2 and central relief aperture are crept into simultaneously, it is characterised in that: The central relief aperture drilling machine includes center drill unit (11), bit trips fixture (12), pedestal (13), power pump station (10), umbrella Shape drilling cramp (5), driver (8) and rotating cylinder (6);The lower part of the center drill unit (11) is equipped with bit trips fixture (12), described Bit trips fixture (12) is located on pedestal (13), and center drill unit drill bit (16) passes through the centre bore of pedestal (13), in centre drill The top of machine (11) is successively installed by power pump station (10) and umbrella drilling rig (5), the vertical shaft (9) in the umbrella drilling rig (5) upward Top is set with driver (8), and the periphery of driver (8) is equipped with rotating cylinder (6), sets that there are three band spiral shells on the outer peripheral surface of rotating cylinder (6) The connecting plate of keyhole is separated by 120 degree between each connecting plate;The right part of the swing arm (7) and one in three connecting plates It is bolted.
4. the shaft drilling machine that a kind of blast hole according to claim 3 and central relief aperture are crept into simultaneously, it is characterised in that: The power transmission device is the hydraulic oil pipeline being connected between power pump station (10) and the power cylinder of rock drill or pressure Contracting air pipe line.
5. the shaft drilling machine that a kind of blast hole according to claim 4 and central relief aperture are crept into simultaneously, it is characterised in that: The pedestal (13) sets there are three fixed arm, is hinged boom hydraulic cylinder (15), each boom hydraulic cylinder on each fixed arm (15) piston rod outer end is respectively arranged with vertical leg (14).
6. the shaft drilling machine that a kind of blast hole according to claim 5 and central relief aperture are crept into simultaneously, it is characterised in that: It adds compressed air control valve (21), the compressed air control valve (21) is mounted on rock drill lower part, controls in compressed air Compressed air line is connected between valve (21) and power pump station (10), compressed air control valve (21) controls the upper of rock drilling driver drilling rod Lower and spinning movement.
CN201611256106.3A 2016-12-30 2016-12-30 A kind of shaft drilling machine of blast hole and central relief aperture while drilling Active CN106522833B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611256106.3A CN106522833B (en) 2016-12-30 2016-12-30 A kind of shaft drilling machine of blast hole and central relief aperture while drilling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611256106.3A CN106522833B (en) 2016-12-30 2016-12-30 A kind of shaft drilling machine of blast hole and central relief aperture while drilling

Publications (2)

Publication Number Publication Date
CN106522833A CN106522833A (en) 2017-03-22
CN106522833B true CN106522833B (en) 2019-04-09

Family

ID=58336183

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611256106.3A Active CN106522833B (en) 2016-12-30 2016-12-30 A kind of shaft drilling machine of blast hole and central relief aperture while drilling

Country Status (1)

Country Link
CN (1) CN106522833B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102381812B1 (en) * 2020-05-18 2022-03-31 이기창 Rock Drilling Apparatus For Vertical Circular Excavation

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4172684A (en) * 1978-01-30 1979-10-30 Lee C. Moore Corporation Floor level pipe handling apparatus
CN101122211B (en) * 2007-09-03 2010-09-29 中南大学 Sailing course drill
CN102493809A (en) * 2011-12-12 2012-06-13 北京中煤矿山工程有限公司 Comprehensive shaft sinking method of positive and raising boring for vertical shaft
CN104457460B (en) * 2014-11-13 2016-01-06 山东科技大学 Tunnel large emptying aperture burn cut quick bursting method
CN105697018A (en) * 2016-02-23 2016-06-22 中国水利水电第十工程局有限公司 Shaft excavation construction technology
CN206338030U (en) * 2016-12-30 2017-07-18 张家口宣化华泰矿冶机械有限公司 The shaft drilling machine that a kind of blast hole and central relief aperture are crept into simultaneously

Also Published As

Publication number Publication date
CN106522833A (en) 2017-03-22

Similar Documents

Publication Publication Date Title
US7318491B2 (en) Apparatus and method for modified horizontal directional drilling assembly
CN201714392U (en) Rock drilling device
CN103061673B (en) Multifunctional micropile rig
CN102304922B (en) Full-pile casing construction device
CN103075098B (en) Thousand hand compound jumboes
EP1751390B1 (en) Apparatus and method for modified horizontal directional drilling assembly
CN205349223U (en) Drilling equipment for building
CN104695860B (en) Fully-mechanized mining working jumbolter and fully-mechanized mining working, which are mined, anchors integration apparatus
CN102134968A (en) Drilling system and drilling equipment
CN103850685A (en) Heading machine applicable to drill vertical well through pioneer well
CN203626843U (en) Heading machine suitable for drilling shaft with pilot shaft
CN201215012Y (en) Hydraulic rock development machine
CN201915826U (en) Drilling system and drilling equipment
CN101832103A (en) Movable two-arm hanging wall anchor rod and anchor cable construction drill carriage
CN102996063A (en) Drilling mechanism for mine rock drilling and tunneling
CN202228075U (en) Tunneling machine
CN103726785B (en) Rotary drilling rig with hydraulic breaker device
CN203531747U (en) Frame-column-type emulsified liquid drilling machine for fully-mechanized face fault passing
CN106522833B (en) A kind of shaft drilling machine of blast hole and central relief aperture while drilling
CN104653103A (en) Rock-drilling tool
CN102080501B (en) Mineral deep hole drilling carriage unit
CN206338030U (en) The shaft drilling machine that a kind of blast hole and central relief aperture are crept into simultaneously
CN112014147A (en) Geotechnical engineering reconnaissance broken rock coring device
CN105499647A (en) Drilling device for building board
CN204754762U (en) Drilling equipment for building

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant