CN103775000A - Floor heave prevention anchor pipe drilling machine - Google Patents

Floor heave prevention anchor pipe drilling machine Download PDF

Info

Publication number
CN103775000A
CN103775000A CN201310526902.4A CN201310526902A CN103775000A CN 103775000 A CN103775000 A CN 103775000A CN 201310526902 A CN201310526902 A CN 201310526902A CN 103775000 A CN103775000 A CN 103775000A
Authority
CN
China
Prior art keywords
rig
drilling
tube
frame
base
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
Application number
CN201310526902.4A
Other languages
Chinese (zh)
Other versions
CN103775000B (en
Inventor
何满潮
王晓磊
孙晓明
王炯
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.)
China University of Mining and Technology Beijing CUMTB
Original Assignee
China University of Mining and Technology Beijing CUMTB
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 China University of Mining and Technology Beijing CUMTB filed Critical China University of Mining and Technology Beijing CUMTB
Priority to CN201310526902.4A priority Critical patent/CN103775000B/en
Publication of CN103775000A publication Critical patent/CN103775000A/en
Application granted granted Critical
Publication of CN103775000B publication Critical patent/CN103775000B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Earth Drilling (AREA)

Abstract

The invention provides a floor heave prevention anchor pipe drilling machine. The floor heave prevention anchor pipe drilling machine comprises a base, a machine frame, a jacking device and a drilling rig; wherein the base is supported on the ground; the front end of the machine frame is connected with the base in a pivoted mode; one end of the jacking device is fixed on the base, and the other end of the jacking device is fixed to the machine frame; the drilling jig is arranged on the machine frame in a sliding mode and comprises a power device, a drilling pipe and a drill; the jacking device drives the machine frame to pivot relative to the base, and the drilling jig on the machine frame reaches a drilling angle; the power device of the drilling jig drives the drill to conduct drilling through a drilling rod; during drilling, the drilling jig slides downwards along the machine frame. Rock dregs produced during hole drilling is successfully discharged through a through hole in the double-wall drilling rod under the action of positive pressure, and therefore an anchor pipe hole can be successfully drilled in the bottom of a roadway.

Description

End distension control anchor tube rig
Technical field
The present invention relates to distension control anchor tube drilling rig technique field, the end, thereby be that a kind of anchor tube hole of can creeping into bottom soft-rock tunnel is by installing the drilling equipment of base angle anchor pole control floor lift in gallery.
Background technology
Under soft rocks, one of the supporting emphasis in tunnel is exactly the base plate in tunnel, and end distension is the principal mode that tunnel is destroyed.Adopting the conventional method such as traditional antiarch bottom girder and perfusion concrete is a kind of passive support pattern, is difficult to control floor lift in gallery, easily causes tunnel repeatedly to rebuild.The effective measures of controlling at present end distension are to control by bottom anchor tube rope is installed, by slip casting in anchor tube and install constant resistance and large deformation anchor cable to form high constant-resistance high pre-stress anchor tube rope, roadway floor surface rock stratum expansion load is passed to the stable rock mass in roadway floor deep by anchor cable, being not fully exerted from steady potential of rock stratum stablized in deep, really realize the active support of anchor cable to base plate weak stratum, thereby can effectively suppress roadway floor distortion.
Installing bottom anchor tube first needs to creep into anchor tube hole, but boring in the process in anchor tube hole owing to being to creep in bottom, tunnel, thereby the rock that traditional rig produces quarrel cannot effectively be discharged and caused drilling depth not reach requiring or be difficult to creep into.Therefore at the bottom of the control of bottom anchor tube rope, application and the popularization of distension technology has been subject to very large obstruction.
Existing jumbolter has a variety of, is divided into electronic, hydraulic pressure and pneumatic three major types by power; Be divided into monomer-type, drill carriage formula, machine-carried type three major types by structure; Divide by broken rock mode, have swinging, impact type, impact rotating formula and the large class of rotary-percussion four.The output characteristics of electric anchor rod drilling machine is poor, and actual penetration rate is lower, and motor reliability and water resistance exist serious problems, there is no good propulsion mode.Therefore still difficulty in a large number for down-hole bolt support.The moment of torsion of hydraulic jumbolter output is higher than pneumatic roof bolter, and under some occasion, better, particularly supporting with development machine is more superior working method in application.From the supporting leg type hydraulic jumbolter formally coming into operation at present, rig output torque is still on the low side, and hydraulic system is easily generated heat.Due to take mineral oil as working media, in using, there is potential safety hazard under coal mine.Drill carriage formula and the machine-carried type jumbolter developed all have certain features, and obtain some effects, but because of actual conditions under coal mine and reason economically, are difficult in the recent period extensive use.Therefore, for security consideration, the gas leg type pneumatic roof bolters that adopt under coal mine at present more.For example, MQT Series Pneumatic jumbolter is the equipment that carries out anchor pole operation in the various rock gangways, coal road, half coal road of hardness≤f10, is mainly used in operation at top; ZQS Series Pneumatic side jumbolter is the equipment that various rock gangways, coal road, half coal road of hardness≤f8 carries out anchor pole operation, is mainly used in the operation of portion of side; MQTB Series Pneumatic power supporting leg type accessory anchor bolt drilling machine is the equipment that various rock gangways, coal road, half coal road of hardness≤f10 carries out anchor pole operation, is mainly used in half top and the operation of portion of side.YT series airleg rock drill is impact rotating churn, is mainly used in creeping into of tunnelling big gun hole and creeping into of portion of side bolthole.Existing baseboard anchorage cable drill has MSQ-100 type baseboard anchorage cable drill, DMZ-100 type anchor cable rig etc., all adopt traditional deslagging mode, because deslagging is not smooth, cause drilling depth not dark, the requirement that base angle anchor tube is installed can not be met, thereby end distension can not be effectively prevented and treated.
There is no at present and be specifically designed to the rig that creeps into anchor tube hole in bottom, tunnel, existing rig is all the bolt support for top, tunnel and portion of side, while creeping into top and portion of side bolthole, by water and air pressure, rock quarrel is easy to be discharged under the effect of gravity and waterpower, air pressure.But in the time creeping into anchor tube hole, bottom, due to downward boring, use existing rig the rock quarrel producing cannot be discharged, creep into thereby make drilling depth can not meet the demands or be difficult to, and then cannot carry out the supporting of anchor tube rope in bottom, tunnel, can not prevent and treat floor lift in gallery.Therefore, development one can be discharged rock quarrel effectively smoothly, is of great practical significance thereby be specifically designed to the rig that creeps into control end distension in satisfactory anchor tube hole in bottom, tunnel.
Summary of the invention
For solving the problem less than the distension rig of going to the bottom for soft rocks in prior art, the object of the invention is to provide a kind of end distension control anchor tube rig that can efficiently creep under soft rocks.
To achieve these goals, the invention provides distension control of a kind of end anchor tube rig, comprise base, frame, jacking system and rig; Described base is supported in ground; Described frame is articulated on described base with front end; Described base is fixed in described jacking system one end, and the other end is fixed on described frame; Described rig is slidably mounted on described frame, and described rig comprises power set, drilling pipe and drill bit; Described jacking system drives described frame with respect to described base pivots, makes the rig in described frame reach dilling angle; The power set of described rig drive described drill bit to creep into by drilling rod; In creeping into, described rig slides into downwards along described frame.
Known by analyzing technical scheme of the present invention, the present invention is with respect to the beneficial effect of prior art: rock quarrel through hole by double-wall drill pipe under the effect of malleation that boring produces is discharged smoothly, thereby can creep into smoothly anchor tube hole in bottom, tunnel.
According to above-mentioned design, described frame rear end has the support that is supported in ground, and described stent support is fixed described frame rear end.
According to above-mentioned design, described frame has the Hui Ba mechanism of propelling, and described propelling Hui Ba mechanism one end is connected in the power set of described rig, and the other end is fixed on described frame, drives described rig creep into or return downwards with described propelling Hui Ba mechanism.
According to above-mentioned design, the power set of described rig comprise hydraulic motor and reduction box, and the drilling rod of described hydraulic motor in reduction box drives described drilling pipe rotates; In described drilling rod, connect source of the gas by air vent.
According to above-mentioned design, described drilling pipe is made up of two-layer pipe, and the cavity in the middle of two-layer pipe is for air pressure ventilation, and the cavity of outer tube and inner tube is for deslagging, and two-layer pipe adopts bearing to connect.
According to above-mentioned design, in described frame, there are two guide rails, the power set of described rig have the roller being sticked in guide rail.
According to above-mentioned design, described support comprises outer tube and inner layer pipe, and inner layer pipe can be at outer inner telescoping tube, and at two-layer interface tube, place is provided with locking device, locks after regulating length.
According to above-mentioned design, described drill bit comprises tube connector and cutter, and described cutter is at least two helical teeth sheets that are welded in described tube connector periphery, and described helical teeth sheet connects into a peak point at described tube connector front end.
According to above-mentioned design, described hydraulic pump also comprises pressure-display device, and described helical teeth sheet forms cone angle in inside, in peak point position formation peak angle β, wherein β=α+10 °.
Accompanying drawing explanation
Fig. 1 is the structural representation of the end of the present invention distension control anchor tube rig.
Fig. 2 is the structural representation of drill bit of the present invention.
The specific embodiment
The exemplary embodiments that embodies feature & benefits of the present invention will describe in detail in the following description.Be understood that the present invention can have various variations on different embodiment, it neither departs from the scope of the present invention, and explanation wherein and accompanying drawing be when the use that explain in itself, but not in order to limit the present invention.
As shown in Figure 1, the invention provides distension control of a kind of end anchor tube rig, comprise base 1, frame 2, support 3, jacking system 4, rig 5 and controller 6.
Base 1 can be steel frame or aluminum alloy frame, can utilize multiple angle firm support of bottom surface in ground, so that the equipment being installed on base 1 can move stably.Base 1 is fixed with trunnion mount 11 by welding or bolt, and a pivotal axis can be installed in trunnion mount 11 upper ends.
Frame 2 can be welded by the multiple connecting rods between two vertical main girder steels and two main girder steels.Frame 2 is articulated on base 1 with front end.
Drilling pipe holder 21, clamper 22 are installed in frame 2 and advance Hui Ba mechanism 23.Drilling pipe holder 21 is installed on frame 2 front ends, can be a steel plate being fixed in frame 2, has the hole of passing for drilling pipe on it.A clamper 22 of each installation in drilling pipe holder 21 front and back, dismantles drilling pipe by rotating and reverse of rig is convenient while drilling pipe being installed in the time creeping into and being extracted.Clamper adopts hydraulic pressure as power, is provided with and unclamps and claming controller on operating desk.In the middle of clamper 22, be empty, drilling pipe passes from centre, is clamped and is unclamped drilling pipe by operating desk control.Due to drilling pipe heavier (30kg left and right), arrange after clamper 22, can greatly reduce labor intensity, raise the efficiency.Install when drilling pipe, drilling pipe is enclosed within on clamper, and after clamping, starter (forward), on drilling pipe can being arranged on and being connected on rig or with other drilling pipes; When dismounting drilling pipe, after clamping, starter (reversion), i.e. detachable drilling pipe.
Advance Hui Ba mechanism 23 one end to be connected in the power set of rig 5, the other end is fixed on frame 2, to advance Hui Ba mechanism to drive rig 5 creep into or return downwards.In frame 2, have two guide rails, the power set of rig 5 have the roller being sticked in guide rail.
Frame 2 rear ends have the support 3 that is supported in ground, and support 3 supports fixed frame 2 rear ends.Support 3 comprises outer tube 31 and inner layer pipe 32, and inner layer pipe 32 can be interior flexible in outer tube 31, and at two-layer interface tube, place can be provided with locking device, locks after regulating length.
Jacking system 4 is a hydraulic jack, and base 1 is fixed in its one end, and the other end is fixed on frame 2; So that jack-up frame 2 is to required angle.Jacking system 4 drive chassis 2, with respect to base 1 pivotable, make the rig 5 in frame 2 reach dilling angle.
Rig 5 is slidably mounted on frame 2 by guide rail, and rig 5 comprises power set 51, reductor 52, drilling pipe 53 and drill bit 54; The power set of rig 5 drive drill bit 54 to creep into by drilling rod; In creeping into, rig 5 slides into downwards along frame 2.Drilling pipe 53 is made up of two-layer pipe, and the cavity in the middle of two-layer pipe is for air pressure ventilation or lead to drilling fluid, and the cavity of outer tube and inner tube is for deslagging, and two-layer pipe can adopt bearing to connect.Mineshaft annulus outside drilling pipe 53 equally also can be used for deslagging, with this direct circulation drilling technology, soft rock environment is carried out to specific aim operation.
The power set 51 of rig 5 can adopt hydraulic motor, and the drilling rod of hydraulic motor in reduction box 52 drives drilling pipe 53 rotates; Drilling rod also can connect source of the gas or drilling fluid pump by air vent 55.
As shown in Figure 2, drill bit 54 comprises tube connector 541 and cutter 542, and cutter 542 is for being welded at least two helical teeth sheets of tube connector 541 peripheries, and helical teeth sheet connects into a peak point 543 at tube connector front end.Inside helical teeth sheet, hollow forms cone angle in inside, in peak point position formation peak angle β, wherein β=α+10 °.By this extraordinary drill bit 54, can conveniently in soft rock environment, carry out fast drilling, and can well utilize direct circulation mode that rock quarrel is discharged.
Another kind of embodiment, cutter 542 also can be three helical teeth sheets that are welded in tube connector 541 peripheries, and equispaced is 120 degree.Helical teeth sheet connects into a peak point 543 equally at tube connector front end.
The present invention also provides multiple concrete specification drill bit 54, as shown in the table:
Figure BDA0000405166150000051
Generally, lower less Feng Jiao, angle, the peak angle selected of soft rock hardness, certainly, formation rock circumstance complication is various, is likely soft or hard interval, while use, also can allocate flexibly so actual.
Angle, the peak β of drill bit 54 helical teeth sheets of the present invention is greater than cone angle certain angle (preferably 10 degree), can guarantee in tube connector 541 that gas and/or drilling fluid drive soft rock rock quarrel upwards to discharge from outer tube or mineshaft annulus, greatly improve deslagging ability, angle, the peak β of helical teeth sheet is greater than cone angle, can prevent rock quarrel adverse current obstruction middle part tube connector 541.Realize in direct circulation mode finely and discharge rock quarrel.
The end of the present invention distension control anchor tube rig is simple to operate, and main implementation and operation method is as follows:
1, determine boring place, firm banking is installed, jacking system reaches suitable angle, has set up self-regulation support, guarantees that guide rail is stable; Double-walled drilling pipe, hollow hammer hole and direct circulation drill bit are installed;
2, connection device, connects jack and rig upper pipeline on debugging operations platform; And connect deslagging pipeline;
3, open air pressure, after starter, advance rig by operating platform, carry out adjunction drilling pipe according to drilling depth;
4, reach after drilling depth, by the drilling pipe of eradicating out, and successively dismantle drilling pipe by operating platform action advances Hui Ba mechanism;
5, creep into end, close air pressure, the each switch of shutoff operation platform.
As known by the technical knowledge, the present invention can realize by other the embodiment that does not depart from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, and is not only.Within the scope of the present invention all or be all included in the invention in the change being equal in scope of the present invention.

Claims (9)

1. at the bottom of, a distension control anchor tube rig, is characterized in that, comprises base, frame, jacking system and rig;
Described base is supported in ground;
Described frame is articulated on described base with front end;
Described base is fixed in described jacking system one end, and the other end is fixed on described frame;
Described rig is slidably mounted on described frame, and described rig comprises power set, drilling pipe and drill bit;
Described jacking system drives described frame with respect to described base pivots, makes the rig in described frame reach dilling angle; The power set of described rig drive described drill bit to creep into by drilling rod; In creeping into, described rig slides into downwards along described frame.
2. the end according to claim 1 distension control anchor tube rig, is characterized in that, described frame rear end has the support that is supported in ground, and described stent support is fixed described frame rear end.
3. the end according to claim 2 distension control anchor tube rig, it is characterized in that, described frame has the Hui Ba mechanism of propelling, described propelling Hui Ba mechanism one end is connected in the power set of described rig, the other end is fixed on described frame, drives described rig creep into or return downwards with described propelling Hui Ba mechanism.
4. the end according to claim 3 distension control anchor tube rig, is characterized in that, the power set of described rig comprise hydraulic motor and reduction box, and the drilling rod of described hydraulic motor in reduction box drives described drilling pipe rotates; In described drilling rod, connect source of the gas by air vent.
5. the end according to claim 4 distension control anchor tube rig, is characterized in that, described drilling pipe is made up of two-layer pipe, and the cavity in the middle of two-layer pipe is for air pressure ventilation, and the cavity of outer tube and inner tube is for deslagging, and two-layer pipe adopts bearing to connect.
6. according to the end distension control anchor tube rig described in claim 1 to 5 any one, it is characterized in that in described frame, having two guide rails, the power set of described rig have the roller being sticked in guide rail.
7. according to the end distension control anchor tube rig described in claim 2 to 5 any one, it is characterized in that, described support comprises outer tube and inner layer pipe, and inner layer pipe can be at outer inner telescoping tube, and at two-layer interface tube, place is provided with locking device, locks after regulating length.
8. according to the end distension control anchor tube rig described in claim 1 to 5 any one, it is characterized in that, described drill bit comprises tube connector and cutter, and described cutter is at least two helical teeth sheets that are welded in described tube connector periphery, and described helical teeth sheet connects into a peak point at described tube connector front end.
9. the end according to claim 8 distension control anchor tube rig, is characterized in that, described helical teeth sheet forms cone angle in inside, in peak point position formation peak angle β, wherein β=α+10 °.
CN201310526902.4A 2013-10-30 2013-10-30 End distension preventing and treating anchor tube rig Active CN103775000B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310526902.4A CN103775000B (en) 2013-10-30 2013-10-30 End distension preventing and treating anchor tube rig

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310526902.4A CN103775000B (en) 2013-10-30 2013-10-30 End distension preventing and treating anchor tube rig

Publications (2)

Publication Number Publication Date
CN103775000A true CN103775000A (en) 2014-05-07
CN103775000B CN103775000B (en) 2016-11-16

Family

ID=50567696

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310526902.4A Active CN103775000B (en) 2013-10-30 2013-10-30 End distension preventing and treating anchor tube rig

Country Status (1)

Country Link
CN (1) CN103775000B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104295235A (en) * 2014-09-30 2015-01-21 湖南科技大学 Rapid grouting drilling device for roadway base plate
CN104405309A (en) * 2014-11-26 2015-03-11 中国水利水电第六工程局有限公司 Drill rod positioning device for drilling underwater rockplug blasting presplitting hole
CN104790887A (en) * 2015-04-03 2015-07-22 山东科技大学 Hydraulic automatic rod feeding device for leakage measurement of two blocked ends of drilled hole
WO2018090962A1 (en) * 2016-11-18 2018-05-24 黑龙江省地质科学研究所 Wire rope coring drilling rig and new green construction method capable of replacing trench and shallow-shaft explorations
CN110067505A (en) * 2019-04-24 2019-07-30 北京中矿新峰科技有限公司 It is a kind of to cut anchor all-in-one machine suitable for cutting top the all-hydraulic of gob side entry retaining

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3029437A1 (en) * 1980-08-02 1982-03-04 Salzgitter Maschinen Und Anlagen Ag, 3320 Salzgitter Drill tube abrasive wear protection - by outer plain tubing in one or more sections
CN2099755U (en) * 1991-07-31 1992-03-25 河南省科学院应用物理研究所 Resonance magnetic water device
JPH07139285A (en) * 1993-11-12 1995-05-30 Masatoshi Uchihashi Drill
CN1204713A (en) * 1998-07-24 1999-01-13 黄运飞 Multifunction stirring rotation spray roofbolt rig and construction method
CN2900755Y (en) * 2006-05-25 2007-05-16 李阳 Drill bit suitable for anchor rod and anchor cable
CN201318124Y (en) * 2008-12-31 2009-09-30 秦皇岛市燕盛岩土工程有限公司 Track-mounted roof bolt driller
CN202531026U (en) * 2012-05-07 2012-11-14 邢占东 Drilling machine for construction of inclined pile

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3029437A1 (en) * 1980-08-02 1982-03-04 Salzgitter Maschinen Und Anlagen Ag, 3320 Salzgitter Drill tube abrasive wear protection - by outer plain tubing in one or more sections
CN2099755U (en) * 1991-07-31 1992-03-25 河南省科学院应用物理研究所 Resonance magnetic water device
JPH07139285A (en) * 1993-11-12 1995-05-30 Masatoshi Uchihashi Drill
CN1204713A (en) * 1998-07-24 1999-01-13 黄运飞 Multifunction stirring rotation spray roofbolt rig and construction method
CN2900755Y (en) * 2006-05-25 2007-05-16 李阳 Drill bit suitable for anchor rod and anchor cable
CN201318124Y (en) * 2008-12-31 2009-09-30 秦皇岛市燕盛岩土工程有限公司 Track-mounted roof bolt driller
CN202531026U (en) * 2012-05-07 2012-11-14 邢占东 Drilling machine for construction of inclined pile

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
杜祥麟等: "《潜孔锤钻进技术》", 31 October 1988, 地质出版社, article "双壁钻杆钻进系统" *
王猛: "喷吸钻的原理与应用", 《金属加工》, no. 19, 31 October 2010 (2010-10-31) *

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104295235A (en) * 2014-09-30 2015-01-21 湖南科技大学 Rapid grouting drilling device for roadway base plate
CN104295235B (en) * 2014-09-30 2016-09-07 湖南科技大学 A kind of quick inlet well equipment for roadway floor
CN104405309A (en) * 2014-11-26 2015-03-11 中国水利水电第六工程局有限公司 Drill rod positioning device for drilling underwater rockplug blasting presplitting hole
CN104790887A (en) * 2015-04-03 2015-07-22 山东科技大学 Hydraulic automatic rod feeding device for leakage measurement of two blocked ends of drilled hole
WO2018090962A1 (en) * 2016-11-18 2018-05-24 黑龙江省地质科学研究所 Wire rope coring drilling rig and new green construction method capable of replacing trench and shallow-shaft explorations
RU2693069C1 (en) * 2016-11-18 2019-07-01 Хэйлунцзян Инститьют Оф Джиолоджикал Сайенсиз Steel installation for core drilling and new environmentally friendly construction method, capable of replacing trench and well survey
US11156047B2 (en) 2016-11-18 2021-10-26 Heilongjiang Institute Of Geological Sciences Wire rope coring drilling rig and new green construction method capable of replacing trench and shallow-shaft explorations
CN110067505A (en) * 2019-04-24 2019-07-30 北京中矿新峰科技有限公司 It is a kind of to cut anchor all-in-one machine suitable for cutting top the all-hydraulic of gob side entry retaining
CN110067505B (en) * 2019-04-24 2024-04-19 北京中矿新峰科技有限公司 All-hydraulic anchor all-in-one that cuts suitable for gob entry retaining cuts

Also Published As

Publication number Publication date
CN103775000B (en) 2016-11-16

Similar Documents

Publication Publication Date Title
CN101832102B (en) Movable two-platform partitioned four-arm hanging wall anchor rod and anchor cable construction drill carriage
CN103775000A (en) Floor heave prevention anchor pipe drilling machine
CN101832103B (en) Movable two-arm hanging wall anchor rod and anchor cable construction drill carriage
CN201771421U (en) Frame pillar type hydraulic drilling machine
CN103899249A (en) Coal mine roadway bottom board anchoring drill carriage
CN103061673A (en) Multifunctional micropile drilling machine
CN201326382Y (en) Hydraulic outburst prevention drilling machine for coal seam gas drainage
CN110067509B (en) Reverse well drilling machine capable of drilling directional pilot hole and construction process of directional pilot hole
CN203626843U (en) Heading machine suitable for drilling shaft with pilot shaft
WO2021237926A1 (en) Hard rock cross passage tunneling machine and construction method
CN103850685A (en) Heading machine applicable to drill vertical well through pioneer well
CN209025600U (en) A kind of crawler-type engineering drilling machine
CN113266358B (en) Mechanical rock breaking drilling process of broken stratum shaft heading machine
CN206158574U (en) A portable drilling equipment for combining adopt working face and cross fault
CN108518179B (en) Coal mine tunnel bottom plate small-diameter anchor cable reverse circulation drilling machine and construction method
CN101845952B (en) Movable three-arm top-assisting anchor rod and anchor cable construction drill carriage
CN203188899U (en) Full sleeve special-type drilling machine
CN102536117B (en) Machine-mounted type multipurpose anchor rod drilling machine
CN111140170B (en) Complete equipment for forming holes in transverse large diameter of coal pillar region of soft coal seam and hole forming process
CN204782749U (en) Wagon drill with safe strutting arrangement
CN210067987U (en) Raise boring machine capable of drilling directional pilot hole
CN209011781U (en) A kind of core drilling rig
CN215485865U (en) Full-section construction anchor rod drill boom structure
CN215408463U (en) Single track release rig structure
CN112324357A (en) Roadway excavation type loading unit with detection drilling machine mounted on portal frame

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
CB03 Change of inventor or designer information

Inventor after: He Manchao

Inventor after: Wang Xiaolei

Inventor after: Sun Xiaoming

Inventor after: Tao Zhigang

Inventor before: He Manchao

Inventor before: Wang Xiaolei

Inventor before: Sun Xiaoming

Inventor before: Wang Jiong

COR Change of bibliographic data
C14 Grant of patent or utility model
GR01 Patent grant