CN108825275A - Anchor hole integral type bore expanded hole construction method - Google Patents
Anchor hole integral type bore expanded hole construction method Download PDFInfo
- Publication number
- CN108825275A CN108825275A CN201810534412.1A CN201810534412A CN108825275A CN 108825275 A CN108825275 A CN 108825275A CN 201810534412 A CN201810534412 A CN 201810534412A CN 108825275 A CN108825275 A CN 108825275A
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- Prior art keywords
- drilling
- hole
- broad
- drilling tool
- pressure water
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/003—Machines for drilling anchor holes and setting anchor bolts
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- 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
-
- 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
- E21B7/18—Drilling by liquid or gas jets, with or without entrained pellets
-
- 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
- E21B7/28—Enlarging drilled holes, e.g. by counterboring
Abstract
Anchor hole integral type bore expanded hole construction method, includes the following steps：（1）That plans in tunnel determines the position of drilling anchor solid hole to supporting region；（2）Drilling machine, drilling rod, high-pressure water pipe and integral type bore expanded hole device are assembled or connected；（3）Manipulation integral type bore expanded hole device drills to determining anchoring hole site, and drilling stops drilling after reaching set depth, carries out reaming to the bottom hole of anchor hole；The present invention carries out the operation of drilling and reaming respectively by the way of adjusting hydraulic pressure；The present invention has easy to operate, small in size, light weight, technology flexibility and reliability, bores to expand and stablize with the unification of reaming power resources, reaming, cutter easily recycles, it realizes the advantages of expanding when boring, substantially increases anchor rod anchored fixing, it is ensured that safety of the worker in underground work.
Description
Technical field
The invention belongs to Roadway Support Technology fields, and in particular to a kind of anchor hole integral type bore expanded hole construction method.
Background technique
Anchor pole has the characteristics that structure is simple, easy for construction, adaptable for underworkings supporting.Thus anchor in recent years
Bar supporting has become the major way of roadway support, but the failure mode of anchor pole is main in the engineer application of suspension roof support
Be whens encountering the coal ash adhered on hole wall in Bracing Process and anchoring procedure or being crushed soft country rock etc. anchor pole and hole wall it
Between sliding unstability.It is tested and is studied, carrying out reaming to the bottom hole of anchor hole is to solve the means of anchor pole sliding destabilization problems
One of, anchor pole can in this way anchored by the Anchor Agent of injection with anchor hole hole wall firm, but there has been no specially to anchoring at present
Hole carries out the construction method of reaming while drilling to bottom hole.
Summary of the invention
The present invention provides a kind of anchor hole integral type bore expanded hole construction party to solve shortcoming in the prior art
Method, using changing hydraulic power and completing armature boring ream operation using the characteristic of reaming machinery, the hole expanded is circular cone
Hole changes anchor pole weaker state of stress in general cylindrical hole, increase the anchor force of anchor pole, effective solution anchor pole
It is significant to downhole safety operation with the sliding destabilization problems of country rock.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：Anchor hole integral type bore expanded hole construction party
Method includes the following steps：
（1）That plans in tunnel determines the position of drilling anchor solid hole to supporting region；
（2）Drilling machine, drilling rod, high-pressure water pipe and integral type bore expanded hole device are assembled or connected；
（3）Manipulation integral type bore expanded hole device drills to determining anchoring hole site, and drilling stops after reaching set depth
It only drills, reaming is carried out to the bottom hole of anchor hole；
（4）After the completion of reaming, integral type bore expanded hole device is exited out of anchor hole, completes drilling and ream operation.
Integral type bore expanded hole device includes boring reaming bar, drilling tool and broad, bores the center line edge of reaming bar
Front-rear direction setting, the back end outer circumference for boring reaming bar are provided with outer connection screw thread, before boring that reaming bar front end is coaxial and offering
End is open and high-pressure water chamber cylindrical, bores in reaming bar and offers water injection hole along centerline direction, the front end of water injection hole with
High-pressure water chamber connection, the rear end of drilling tool are slidably connected in high-pressure water chamber, and broad is along the front end face for boring reaming bar
Circumferencial direction is evenly arranged with several, and the front inner of broad and the conical surface of broad press and cooperate.
The shape of drilling tool be it is preceding it is thick after be carefully in conical structure, on drilling tool front end face and front end outer circumference surface
Several the first diamond segments are provided with, limbers, drilling tool rear end have been arranged in vertical inside drilling tool
It is provided with the slide for being slidably connected at high-pressure water chamber inner wall, high-pressure water chamber inner wall is in axial direction provided with spline, outside slide
Even circumferential is provided with the spline being slidably matched with spline, and the front of high-pressure water chamber inner wall is fixedly installed restriction sledge position
Annular retaining ring.
Medial surface, front edge and the lateral surface of broad are provided with several the second diamond segments, Mei Gekuo
The front end of spot facing cutter passes through pin shaft and is hinged on brill reaming bar front end, and pin shaft is parallel to the tangential direction for boring reaming bar, cornish bit
The rear inside of tool is provided with the convex block between broad and drilling tool, is arranged between annular retaining ring on rear side of convex block
There is extension spring, under the action of extension spring, with the hinge joint of pin shaft, is provided with diamond wear proof layer, Buddha's warrior attendant on the inside of convex block
The press cooperation of the circular conical surface of stone wearing layer and drilling tool.
Step（2）Detailed process be：The rear end of drilling rod is installed on the power output end of drilling machine, high-pressure water pipe is led to
The rear end for crossing high pressure rotation seal joint and drilling rod connects, and the rear end for boring reaming bar is inserted into coaxial with drilling rod inside drilling rod front end
It is integrated to threaded connection.
Step（3）Detailed process be：Before starting drilling, broad is under the action of extension spring in contraction-like
State, the leading inside of broad are contacted with the front excircle of drilling tool；The valve in high-pressure water pipe is opened, starting is bored
Machine, high pressure water enters the water injection hole bored inside reaming bar by the water hole inside drilling rod, after high pressure water enters in high-pressure water chamber
Slide trailing flank is pressed, since the diameter of the limbers in drilling tool is much smaller relative to the diameter of high-pressure water chamber, institute
With high pressure water can by the slide of drilling tool to sinciput, so that drilling tool be made to extend forward, and due to the blocking of annular retaining ring,
The slide of drilling tool is set to be unlikely to be detached from high-pressure water chamber；The excircle of drilling tool is due to being preceding thick rear thin cone knot
Structure, under the action of extension spring, the outer circumference surface of drilling tool remains that press contacts with the inner end lower part of convex block, with
Drilling tool moves forward, and convex block rotates backward by center line of pin shaft, and broad is also rotated inward by center line of pin shaft,
The rotating diameter of broad is consistently less than the rotating diameter of drilling tool in boring procedure；At the same time, drilling machine driving is bored
Bar and brill reaming bar high speed rotation bore reaming bar by the cooperation of spline and spline and drive drilling tool rotation, drilling tool
First diamond segment of front end drills to wall, stops drilling rod after drilling reaches set depth and moves forward；
It is gradually reduced hydraulic pressure, since the pressure between drilling tool front end and bottom hole pushes drilling tool to move backward, after drilling tool
The slide at end is just moved backward along high-pressure water chamber, and it is convex that the outer conical surface of drilling tool can drive broad lower end inside to be arranged
Block rotates forward by center line of pin shaft, and extension spring is further stretched, and broad is also center line to outward turning using pin shaft
Turn, the rotating diameter of broad is gradually increased, and with the reduction of hydraulic pressure, the slide of drilling tool can drop to high-pressure water chamber
Rearmost part, at this moment broad is flared out maximum, and counter bore diameter also reaches maximum, and the on broad and broad
Two diamond segments carry out reaming to the bottom hole of anchor hole.
Step（4）Detailed process be：After the completion of reaming, then hydraulic pressure is increased, high pressure water drives slide in high-pressure water chamber
It is moved forward in high-pressure water chamber, drilling tool also moves forward, the outer diameter of the outer conical surface contact position of convex block and drilling tool
It is gradually reduced, under the action of extension spring, convex block turns round convex block by center line of pin shaft, during broad is also with pin shaft
Heart line rotates inward, and the rotating diameter of broad is gradually reduced, until the rotating diameter of broad is less than or equal to bore cutter
After the maximum drilling diameter of tool, drilling rod is pulled back, integral type bore expanded hole device is exited into drilling, is closed in high-pressure water pipe
Valve closes drilling machine.
Pass through pre-large post-small horn mouth transition between water injection hole front end and high-pressure water chamber rear end.
By adopting the above technical scheme, the high-pressure water chamber inner wall in the present invention is in axial direction provided with spline, outside slide
Even circumferential is provided with the spline being slidably matched with spline, both plays the role of axial sliding fit in this way, and can play
Drilling rod rotation drives the effect of drilling tool rotation.
The press cooperation of diamond wear proof layer and drilling tool outer conical surface in the present invention on the inside of convex block is key point, gold
Hard rock wearing layer can reduce the abrasion of convex block, it is ensured that drives convex block to rotate forward when drilling tool moves backward, stretches simultaneously
Spring is further stretched.Horn mouth plays reduction resistance to water-flow, and water pressure energy is made to keep uniform to surface pressure on rear side of slide
Effect.
In conclusion the present invention is novel in design, scientific in principle carries out drilling and reaming respectively by the way of adjusting hydraulic pressure
Operation, and water flow also has the slack coal in boring procedure and landwaste from the wall of a borehole and bores the annular gap between reaming bar
The effect of discharge, the present invention have easy to operate, small in size, light weight, technology flexibility and reliability, bore and expand and reaming power resources system
One, reaming is stablized, and cutter easily recycles, and is realized the advantages of expanding when boring, is substantially increased anchor rod anchored fixing, it is ensured that worker
In the safety of underground work.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of integral type bore expanded hole device in the present invention；
Fig. 2 is A-A cross-sectional view in Fig. 1；
Fig. 3 is the side view of broad in Fig. 1；
Fig. 4 is schematic diagram when being drilled using integral type bore expanded hole device；
Fig. 5 is schematic diagram when carrying out reaming using integral type bore expanded hole device；
Fig. 6 is the schematic diagram that reaming is bored after integral type bore expanded hole device exits.
Specific embodiment
As shown in figs 1 to 6, anchor hole integral type bore expanded hole construction method of the invention, includes the following steps：
（1）That plans in tunnel determines the position of drilling anchor solid hole to supporting region；
（2）Drilling machine, drilling rod, high-pressure water pipe and integral type bore expanded hole device are assembled or connected；Drilling machine, drilling rod, high-pressure water pipe
It does not illustrate and in figure；
（3）Manipulation integral type bore expanded hole device drills to determining anchoring hole site, and drilling stops after reaching set depth
It only drills, reaming is carried out to the bottom hole of anchor hole；
（4）After the completion of reaming, integral type bore expanded hole device is exited out of anchor hole, completes drilling and ream operation.
Integral type bore expanded hole device includes boring reaming bar 1, drilling tool 2 and broad 3, bores the center of reaming bar 1
Line is arranged along the longitudinal direction, and the back end outer circumference for boring reaming bar 1 is provided with outer connection screw thread 17, and it is coaxial to bore 1 front end of reaming bar
Front end opening and high-pressure water chamber 4 cylindrical are offered, bores in reaming bar 1 and offers water injection hole 5 along centerline direction, is filled the water
The front end in hole 5 is connected to high-pressure water chamber 4, and the rear end of drilling tool 2 is slidably connected in high-pressure water chamber 4, and broad 3 expands along brill
The circumferencial direction of the front end face of vent stem 1 is evenly arranged with several, the front inner of broad 3 and the circular cone of broad 3
Surface press cooperation.
The shape of drilling tool 2 is preceding thick rear carefully in conical structure, 2 front end face of drilling tool and front end outer circumference surface
On be provided with several the first diamond segments 6, be arranged in vertical limbers 7, drilling tool inside drilling tool 2
2 rear ends are provided with the slide 8 for being slidably connected at 4 inner wall of high-pressure water chamber, and 4 inner wall of high-pressure water chamber is in axial direction provided with spline
9,8 excircle of slide is evenly arranged with the spline 10 being slidably matched with spline 9, the front fixed setting of 4 inner wall of high-pressure water chamber
There is the annular retaining ring 11 for limiting 8 position of slide.
Medial surface, front edge and the lateral surface of broad 3 are provided with several the second diamond segments 12, each
The front end of broad 3 passes through pin shaft 13 and is hinged on brill 1 front end of reaming bar, and pin shaft 13 is parallel to the tangent line side for boring reaming bar 1
, the rear inside of broad 3 is provided with the convex block 16 between broad 3 and drilling tool 2,16 rear side of convex block with
Extension spring 14 is provided between annular retaining ring 11, under the action of extension spring 14, with the hinge joint of pin shaft 13, in convex block 16
Side is provided with diamond wear proof layer, and the circular conical surface press of diamond wear proof layer and drilling tool 2 cooperates.5 front end of water injection hole and height
Pressure passes through pre-large post-small 15 transition of horn mouth between 4 rear end of water cavity.Horn mouth 15 plays reduction resistance to water-flow, and makes water pressure energy
Uniform effect is kept to 8 rear side surface pressure of slide.
Step（2）Detailed process be：The rear end of drilling rod is installed on the power output end of drilling machine, high-pressure water pipe is led to
The rear end for crossing high pressure rotation seal joint and drilling rod connects, and the rear end for boring reaming bar 1 is inserted into same with drilling rod inside drilling rod front end
Axial thread is connected as one, and bores reaming bar 1 convenient for being disassembled and installed between drilling rod.
Step（3）Detailed process be：Before starting drilling, broad 3 is under the action of extension spring 14 in receipts
Contracting state, the leading inside of broad 3 are contacted with the front excircle of drilling tool 2；The valve in high-pressure water pipe is opened, is opened
Dynamic drilling machine, high pressure water enter the water injection hole 5 bored inside reaming bar 1 by the water hole inside drilling rod, and high pressure water enters high pressure water
8 trailing flank of slide is pressed after in chamber 4, due to diameter of the diameter relative to high-pressure water chamber 4 of the limbers 7 in drilling tool 2
It is much smaller, thus high pressure water can by the slide 8 of drilling tool 2 to sinciput, so that drilling tool 2 be made to extend forward, and due to
The blocking of annular retaining ring 11 makes the slide 8 of drilling tool 2 be unlikely to be detached from high-pressure water chamber 4；Due to the excircle of drilling tool 2
Due to being preceding thick rear thin conical structure, under the action of extension spring 14, outer circumference surface and the convex block 16 of drilling tool 2
Inner end lower part remains press contact, and as drilling tool 2 moves forward, convex block 16 is that center line turns round with pin shaft 13
Dynamic, broad 3 is also that center line rotates inward with pin shaft 13, and the rotating diameter of broad 3 is small always in boring procedure
In the rotating diameter of drilling tool 2；At the same time, drilling machine driving drilling rod and brill 1 high speed rotation of reaming bar, bore reaming bar 1 and pass through
The cooperation of spline 10 and 10 slot 9 of spline drives drilling tool 2 to rotate, and the first diamond segment 6 of 2 front end of drilling tool is to tunnel
Wall drills, and stops drilling rod after drilling reaches set depth and moves forward；It is gradually reduced hydraulic pressure, due to drilling tool 2
Pressure between front end and bottom hole pushes drilling tool 2 to move backward, the slide 8 of 2 rear end of drilling tool just along high-pressure water chamber 4 to
After move, the outer conical surface of drilling tool 2 can drive 3 lower end inside of broad be arranged convex block 16 with pin shaft 13 be center line
It rotates forward, extension spring 14 is further stretched, and broad 3 is also that center line rotates outward with pin shaft 13, broad 3
Rotating diameter be gradually increased, with the reduction of hydraulic pressure, the slide 8 of drilling tool 2 can drop to the rearmost part of high-pressure water chamber 4,
At this moment broad 3 is flared out maximum, and counter bore diameter also reaches maximum the second gold medal on broad 3 and broad 3
Diamond tool bit 12 carries out reaming to the bottom hole of anchor hole.
Step（4）Detailed process be：After the completion of reaming, then hydraulic pressure is increased, high pressure water drives slide in high-pressure water chamber 4
8 move forward in high-pressure water chamber 4, and drilling tool 2 also moves forward, the outer conical surface contact position of convex block 16 and drilling tool 2
Outer diameter be gradually reduced, convex block 16 under the action of extension spring 14, convex block 16 with pin shaft 13 be center line turn round, cornish bit
Tool 3 is also that center line rotates inward with pin shaft 13, and the rotating diameter of broad 3 is gradually reduced, until the rotation of broad 3
After diameter is less than or equal to the maximum drilling diameter of drilling tool 2, drilling rod is pulled back, integral type bore expanded hole device is exited into brill
The valve in high-pressure water pipe is closed in hole, closes drilling machine.
The present embodiment not makes any form of restriction shape of the invention, material, structure etc., all according to this hair
Bright technical spirit any simple modification, equivalent change and modification to the above embodiments, belong to the technology of the present invention side
The protection scope of case.
Claims (8)
1. anchor hole integral type bore expanded hole construction method, it is characterised in that：Include the following steps：
（1）That plans in tunnel determines the position of drilling anchor solid hole to supporting region；
（2）Drilling machine, drilling rod, high-pressure water pipe and integral type bore expanded hole device are assembled or connected；
（3）Manipulation integral type bore expanded hole device drills to determining anchoring hole site, and drilling stops after reaching set depth
It only drills, reaming is carried out to the bottom hole of anchor hole；
（4）After the completion of reaming, integral type bore expanded hole device is exited out of anchor hole, completes drilling and ream operation.
2. anchor hole integral type bore expanded hole construction method according to claim 1, it is characterised in that：Integral type drilling is expanded
Aperture apparatus includes boring reaming bar, drilling tool and broad, and the center line for boring reaming bar is arranged along the longitudinal direction, bores reaming bar
Back end outer circumference be provided with outer connection screw thread, bore that reaming bar front end is coaxial to offer that front end is open and high pressure cylindrical
Water cavity bores in reaming bar and offers water injection hole along centerline direction, and the front end of water injection hole is connected to high-pressure water chamber, drilling tool
Rear end is slidably connected in high-pressure water chamber, and broad is evenly arranged with several along the circumferencial direction for the front end face for boring reaming bar
A, the front inner of broad and the conical surface of broad press and cooperate.
3. anchor hole integral type bore expanded hole construction method according to claim 2, it is characterised in that：Outside drilling tool
Shape be it is preceding it is thick after be carefully in conical structure, be provided with several the first gold medals on drilling tool front end face and front end outer circumference surface
Diamond tool bit has been arranged in vertical limbers inside drilling tool, and drilling tool rear end, which is provided with, is slidably connected at high pressure
The slide of water cavity inner wall, high-pressure water chamber inner wall are in axial direction provided with spline, and slide excircle is evenly arranged with and spline
The spline that slot is slidably matched, the front of high-pressure water chamber inner wall are fixedly installed the annular retaining ring for limiting sledge position.
4. anchor hole integral type bore expanded hole construction method according to claim 3, it is characterised in that：Broad it is interior
Side, front edge and lateral surface are provided with several the second diamond segments, and the front end of each broad passes through pin
Axis, which is hinged on, bores reaming bar front end, and pin shaft is parallel to the tangential direction for boring reaming bar, and the rear inside of broad is provided with position
Convex block between broad and drilling tool is provided with extension spring between convex block rear side and annular retaining ring, is stretching bullet
Under the action of spring, it is provided with diamond wear proof layer with the hinge joint of pin shaft, on the inside of convex block, diamond wear proof layer and drilling tool
Circular conical surface press cooperation.
5. anchor hole integral type bore expanded hole construction method according to claim 4, it is characterised in that：Step（2）Tool
Body process is：The rear end of drilling rod is installed on the power output end of drilling machine, high-pressure water pipe is passed through high pressure rotary sealing connector
It is connect with the rear end of drilling rod, the rear end for boring reaming bar is inserted into inside drilling rod front end and is integrated with coaxial be threadedly coupled of drilling rod.
6. anchor hole integral type bore expanded hole construction method according to claim 5, it is characterised in that：Step（3）Tool
Body process is：Before starting drilling, broad is under the action of extension spring in contraction state, the front end of broad
Side is contacted with the front excircle of drilling tool；The valve in high-pressure water pipe is opened, drilling machine is started, high pressure water passes through inside drilling rod
Water hole enter the water injection hole bored inside reaming bar, high pressure water presses slide trailing flank after entering in high-pressure water chamber, due to
The diameter of limbers in drilling tool is much smaller relative to the diameter of high-pressure water chamber, so high pressure water can be by drilling tool
Slide is to sinciput, so that drilling tool be made to extend forward, and due to the blocking of annular retaining ring, is unlikely to the slide of drilling tool
It is detached from high-pressure water chamber；The excircle of drilling tool is due to being that preceding thick rear thin conical structure bores under the action of extension spring
The outer circumference surface of spot facing cutter remains that press contacts with the inner end lower part of convex block, as drilling tool moves forward, convex block with
Pin shaft is that center line rotates backward, and broad is also rotated inward by center line of pin shaft, the broad in boring procedure
Rotating diameter is consistently less than the rotating diameter of drilling tool；At the same time, drilling machine driving drilling rod and brill reaming bar high speed rotation, are bored
Reaming bar drives drilling tool rotation by the cooperation of spline and spline, and the first diamond segment of drilling tool front end is to lane
Road wall drills, and stops drilling rod after drilling reaches set depth and moves forward；It is gradually reduced hydraulic pressure, due to drilling tool
Pressure between front end and bottom hole pushes drilling tool to move backward, and the slide of drilling tool rear end is just moved back along high-pressure water chamber
Dynamic, the convex block that the outer conical surface of drilling tool can drive broad lower end inside to be arranged rotates forward by center line of pin shaft,
Extension spring is further stretched, and broad is also rotated outward by center line of pin shaft, and the rotating diameter of broad is gradually
Increase, with the reduction of hydraulic pressure, the slide of drilling tool can drop to the rearmost part of high-pressure water chamber, and at this moment broad is opened outward
It opens to the maximum, counter bore diameter also reaches maximum, hole of the second diamond segment on broad and broad to anchor hole
Bottom carries out reaming.
7. anchor hole integral type bore expanded hole construction method according to claim 6, it is characterised in that：Step（4）Tool
Body process is：After the completion of reaming, then hydraulic pressure is increased, high pressure water drives slide in high-pressure water chamber to Forward in high-pressure water chamber
Dynamic, drilling tool also moves forward, and the outer diameter of the outer conical surface contact position of convex block and drilling tool is gradually reduced, and convex block is stretching
Under the action of spring, convex block turns round by center line of pin shaft, and broad is also rotated inward by center line of pin shaft, cornish bit
The rotating diameter of tool is gradually reduced, after the rotating diameter of broad is less than or equal to the maximum drilling diameter of drilling tool,
Drilling rod is pulled back, integral type bore expanded hole device is exited into drilling, closes the valve in high-pressure water pipe, closes drilling machine.
8. anchor hole integral type bore expanded hole construction method according to claim 4, it is characterised in that：Water injection hole front end with
Pass through pre-large post-small horn mouth transition between high-pressure water chamber rear end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810534412.1A CN108825275B (en) | 2018-05-30 | 2018-05-30 | Anchoring hole integrated drilling and reaming construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810534412.1A CN108825275B (en) | 2018-05-30 | 2018-05-30 | Anchoring hole integrated drilling and reaming construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108825275A true CN108825275A (en) | 2018-11-16 |
| CN108825275B CN108825275B (en) | 2020-07-17 |
Family
ID=64146819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810534412.1A Expired - Fee Related CN108825275B (en) | 2018-05-30 | 2018-05-30 | Anchoring hole integrated drilling and reaming construction method |
Country Status (1)
| Country | Link |
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| CN (1) | CN108825275B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109773230A (en) * | 2019-03-04 | 2019-05-21 | 李吴军 | A kind of expanding method of machine workpieces blind hole |
| CN110284914A (en) * | 2019-07-17 | 2019-09-27 | 平安煤炭开采工程技术研究院有限责任公司 | Mixer and anchor |
| CN110657974A (en) * | 2019-09-30 | 2020-01-07 | 武大巨成结构股份有限公司 | Anti-pulling test method for anchor head of reaming self-locking anchor rod |
| CN117266752A (en) * | 2023-11-10 | 2023-12-22 | 广东建星建造集团有限公司 | Inertial built-in gear reaming anchor rod drill bit device |
| CN117266752B (en) * | 2023-11-10 | 2024-04-26 | 广东建星建造集团有限公司 | Inertial built-in gear reaming anchor rod drill bit device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109773230A (en) * | 2019-03-04 | 2019-05-21 | 李吴军 | A kind of expanding method of machine workpieces blind hole |
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| CN110284914B (en) * | 2019-07-17 | 2021-01-26 | 平安煤炭开采工程技术研究院有限责任公司 | Mixer and anchoring device |
| CN110657974A (en) * | 2019-09-30 | 2020-01-07 | 武大巨成结构股份有限公司 | Anti-pulling test method for anchor head of reaming self-locking anchor rod |
| CN117266752A (en) * | 2023-11-10 | 2023-12-22 | 广东建星建造集团有限公司 | Inertial built-in gear reaming anchor rod drill bit device |
| CN117266752B (en) * | 2023-11-10 | 2024-04-26 | 广东建星建造集团有限公司 | Inertial built-in gear reaming anchor rod drill bit device |
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| CN108825275B (en) | 2020-07-17 |
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