CN106988773A - Reduce the plant anchor pole method that suspension roof support slides unstability - Google Patents
Reduce the plant anchor pole method that suspension roof support slides unstability Download PDFInfo
- Publication number
- CN106988773A CN106988773A CN201710389185.3A CN201710389185A CN106988773A CN 106988773 A CN106988773 A CN 106988773A CN 201710389185 A CN201710389185 A CN 201710389185A CN 106988773 A CN106988773 A CN 106988773A
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- Prior art keywords
- reaming
- blade
- anchor pole
- reaming blade
- sleeve pipe
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000000725 suspension Substances 0.000 title claims abstract description 16
- 238000005553 drilling Methods 0.000 claims abstract description 22
- 238000004140 cleaning Methods 0.000 claims abstract description 4
- 241001074085 Scophthalmus aquosus Species 0.000 claims abstract description 3
- 238000007711 solidification Methods 0.000 claims abstract description 3
- 230000008023 solidification Effects 0.000 claims abstract description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 17
- 239000011435 rock Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 6
- 229910003460 diamond Inorganic materials 0.000 claims description 5
- 239000010432 diamond Substances 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000004873 anchoring Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000001687 destabilization Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/02—Setting anchoring-bolts with provisions for grouting
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The plant anchor pole method that suspension roof support slides unstability is reduced, is comprised the following steps,（1）, connect using rig common drilling rod and carry out brill bolthole after wall delimit position；（2）, unload common drilling rod, change reaming drilling rod and be connected with rig, the bottom of bolthole is carried out after ream operation, reaming operation, reaming drilling rod is exited；（3）, cleaning bolthole in ickings and landwaste；（4）, anchor pole is inserted into bolthole, Anchor Agent is injected into bolthole；（5）, Anchor Agent solidification after, on anchor pole cover upper padding plate and screw on nut make backing plate compress wall.The present invention is simple to operate, and cost is relatively low, and reaming performance is stable, and cutter can actively open and effectively reclaim.The anchor pole Problem of Failure that the sliding unstability between anchor pole and hole wall is caused is can effectively solve the problem that, mine safety situation can be improved, shaft production efficiency is improved, realizes that safety and high efficiency is significant with supporting to mine.
Description
Technical field
The invention belongs to Roadway Support Technology field, more particularly to reduce the plant anchor pole side that suspension roof support slides unstability
Method.
Background technology
Anchor pole is used for the features such as underworkings supporting has simple in construction, easy construction, strong adaptability.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 applied of suspension roof support
It is when running into the coal ash adhered on hole wall or broken soft country rock etc. in Bracing Process in anchoring procedure between anchor pole and hole wall
Sliding unstability.
In view of anchor pole slides destabilization problems, some scholars attempt to solve problems using bolthole reaming mode, but
Existing reaming equipment is generally that tool parts passively open cutting rock and cause reaming poor performance, and it is unstable to there is institute's reaming,
The problems such as cutter reclaims difficult.It is therefore proposed that a kind of easy to use, the stable reaming drilling rod of reaming performance turns into a new direction.
The content of the invention
The present invention reduces the plant that suspension roof support slides unstability to solve weak point of the prior art there is provided a kind of
Anchor pole method, it is realized using mechanical whorl transmission principle carries out reaming by bolthole hole wall or bottom hole and makes institute's reaming be in rounding
Cone tank, then transplanted and inject Anchor Agent filling operation, it is possible to achieve the active of cutter is stretched out with reclaiming.It can realize
To the raising of anchor-holding force of anchor bolt during the anchoring support of tunnel, so as to improve anchor rod anchored property, overcome anchor pole to slide unstability and show
As finally realizing the efficient supporting of mine safety, improving mine safety production level.
In order to solve the above technical problems, the present invention is adopted the following technical scheme that：Reduce the plant that suspension roof support slides unstability
Anchor pole method, comprises the following steps,
（1）, connect using rig common drilling rod and carry out brill bolthole after wall delimit position；
（2）, unload common drilling rod, change reaming drilling rod and be connected with rig, ream operation is carried out to the bottom of bolthole, reaming is made
After industry terminates, reaming drilling rod is exited；
（3）, cleaning bolthole in ickings and landwaste；
（4）, anchor pole is inserted into bolthole, Anchor Agent is injected into bolthole；
（5）, Anchor Agent solidification after, on anchor pole cover upper padding plate and screw on nut make backing plate compress wall.
Reaming drilling rod includes broad, sleeve pipe, pull bar, rig connecting shaft and push-and-pull drive sleeve, and pull bar is coaxial
To being arranged in sleeve pipe, it is assumed that sleeve pipe and pull bar are horizontally disposed with along the longitudinal direction, and broad rear end is connected to pull bar
Central Symmetry offers two elongated holes opened up along sleeve pipe axial direction on front side of front end, sleeve pipe, and sleeve pipe front end, which is provided with, to be used for
Driving broad stretches out the top pressure structure that elongated hole is radially expanded, and the coaxial internal diameter that is fixedly connected with sleeve pipe rear end is more than sleeve pipe
Riffled tube, push-and-pull drive sleeve is coaxial to be stretched into and is threaded in riffled tube, and the rear end of push-and-pull drive sleeve is set
Have a handle, push-and-pull rod rear end sequentially pass through after riffled tube and push-and-pull drive sleeve with rig connecting shaft front end it is coaxial it is fixed even
Connect, rig connecting shaft excircle is provided with external thread structure；It is provided with riffled tube and is driven with push-and-pull on pull bar
The driving guide block that barrel forward end top pressure coordinates, the Maximum turning radius of driving guide block is more than the internal diameter of push-and-pull drive sleeve and is less than
The internal diameter of riffled tube, internal surface of sleeve pipe is fixedly installed at least two guide pin bushings being set in outside pull bar, the external diameter of pull bar
It is equal with the internal diameter of guide pin bushing.
Top pressure structure includes baffle plate and addendum cone, and baffle plate is fixedly installed on the front end of sleeve pipe, addendum cone rearward end and baffle plate front side
Face is fixedly connected, and broad includes the first reaming blade and the second cornish bit for radially corresponding to an elongated hole respectively
The rear end of piece, the first reaming blade and the second reaming blade is by hinge in pull bar front end, and addendum cone is in preceding thick metacone
Pyramidal structure, the first reaming blade and the second reaming blade constitute scissors shape, addendum cone rear portion extend into the first reaming blade and
Between second reaming blade, torsion spring is arranged with bearing pin, two spring arms difference top pressure the first reaming blade of torsion spring and second are expanded
Hole blade, in the presence of torsion spring, addendum cone respectively with the first reaming blade and the second reaming blade press fit, the first cornish bit
The outside of piece and the second reaming blade is provided with stair-stepping diamond cutter tooth, the first reaming blade and second along its length
The width adaptation of the equal elongated hole of thickness of reaming blade.
One of guide pin bushing is arranged on rear side of elongated hole, and another guide pin bushing is arranged on front side of riffled tube.
Replaceable axle sleeve is provided between push-and-pull drive sleeve inwall and pull bar outer wall.
Step（2）Specially：First rig connecting shaft is threadedly coupled with the power output shaft of rig, then sleeve pipe is pushed into
In the bolthole accomplished fluently in advance, handle rotation is stirred, drives push-and-pull drive sleeve to rotate and moved forward along riffled tube, push-and-pull
Drive sleeve promotes driving guide block to march forward, and driving guide block drives pull bar reach, the first cornish bit that pull bar front end is hinged
Piece and the second reaming blade are moved forward, because sleeve pipe is motionless, as the first reaming blade and the second reaming blade are moved forward,
First reaming blade and the second reaming blade top are opened and stretch out two elongated hole stretchings, the first reaming blade by the addendum cone of sleeve pipe front end
Rock stratum is cut with the second reaming blade；Then rig is started, is rotated at a high speed by rig connecting shaft, rig connecting shaft drives push-and-pull
Bar rotates, and the first reaming blade and the second reaming blade on pull bar rotate with and drive sleeve rotating, the first cornish bit
Diamond cutter tooth on piece and the second reaming blade expands foot of hole to a conical tank；Stop rig, opposite direction is rotated
Handle, the first reaming blade and the second reaming blade are retracted into sleeve pipe in the presence of torsion spring along elongated hole, finally extract set
Pipe can complete the work of ream operation.
Step（2）Specially：In the case of really up to the mark in rock stratum, can first by pull bar be pressed onto resistance it is larger when just start rig expand
Hole, then stops rig, and being then rotated further by handle makes the first reaming blade and the second reaming blade continue to open, and repeats this process
Two to three i.e. achievable reamings.
Step（4）Specially：After Anchor Agent is injected into bolthole and conical tank, Stirring Anchor Agent makes Anchor Agent
Fully contact and solidify with anchor pole hole wall and anchor pole.
Using above-mentioned technical proposal, the torsion spring in the present invention plays the first reaming blade of reset and the second reaming blade to set
Effect in pipe.Guide pin bushing and axle sleeve, which are played, is oriented to the movable effect of pull bar.Guide block wherein on rear side of elongated hole is played
Stop the effect that coal petrography chip is entered in sleeve pipe in reaming procedure.
The Maximum turning radius of guide block is driven to be more than the internal diameter of push-and-pull drive sleeve and be less than the internal diameter of riffled tube, so
The position of forward movement can be limited, i.e., when driving guide block with end in contact after sleeve pipe, cannot be moved further along.
Furthermore it is also possible to set burr, projection, the anti-skid structure such as groove in the outer surface of anchor pole, make Anchor Agent and burr,
The anti-skid structures such as projection, groove are combined, and play good anchor and position effect.
In summary, the present invention is provided a kind of realized using mechanical whorl transmission principle and carries out bolthole hole wall or bottom hole
The drilling rod of reaming, the present invention is simple to operate, and cost is relatively low, and reaming performance is stable, and cutter can actively open and effectively reclaim.Energy
It is enough effectively to solve the anchor pole Problem of Failure that the sliding unstability between anchor pole and hole wall is caused, mine safety situation can be improved, carried
High shaft production efficiency, realizes that safety and high efficiency is significant with supporting to mine.
Brief description of the drawings
Fig. 1 is the overall structure diagram of reaming drilling rod in the present invention.
Fig. 2 is the state diagram before bolthole reaming；
Fig. 3 is the state diagram after bolthole reaming；
Fig. 4 is state diagram after being anchored after reaming.
Embodiment
As shown in Figure 1-Figure 3, the plant anchor pole method for reducing suspension roof support sliding unstability of the invention, including following step
Suddenly：
（1）, connect using rig common drilling rod and carry out boring bolthole 18 after wall delimit position；
（2）, unload common drilling rod, change reaming drilling rod and be connected with rig, ream operation, reaming are carried out to the bottom of bolthole 18
After the end of job, reaming drilling rod is exited；
（3）, cleaning bolthole 18 in ickings and landwaste；
（4）, anchor pole is inserted into bolthole 18, Anchor Agent 21 is injected into bolthole 18；
（5）, Anchor Agent 21 solidify after, on anchor pole cover upper padding plate and screw on nut make backing plate compress wall.
Reaming drilling rod includes broad, sleeve pipe 1, pull bar 2, rig connecting shaft 3 and push-and-pull drive sleeve 4, pull bar 2
It is coaxial to be arranged in sleeve pipe 1, it is assumed that sleeve pipe 1 and pull bar 2 are horizontally disposed with along the longitudinal direction, and broad rear end is connected to
The front end of pull bar 2, the front side Central Symmetry of sleeve pipe 1 offers two elongated holes 5 opened up along the axial direction of sleeve pipe 1, the front end of sleeve pipe 1
Be provided with for driving broad to stretch out the top pressure structure that radially expands of elongated hole 5, the rear end of sleeve pipe 1 is coaxial be fixedly connected with
Footpath is more than the riffled tube 6 of sleeve pipe 1, and push-and-pull drive sleeve 4 is coaxial to be stretched into and be threaded in riffled tube 6, and push-and-pull is driven
The rear end of moving sleeve 4 is provided with handle 7, the rear end of pull bar 2 sequentially pass through after riffled tube 6 and push-and-pull drive sleeve 4 with rig
The front end of connecting shaft 3 is coaxial to be fixedly connected, and the excircle of rig connecting shaft 3 is provided with external thread structure；Position is provided with pull bar 2
The driving guide block 8 coordinated in riffled tube 6 and with the front end top pressure of push-and-pull drive sleeve 4, drives the Maximum turning radius of guide block 8
Internal diameter more than push-and-pull drive sleeve 4 and the internal diameter less than riffled tube 6, the inwall of sleeve pipe 1 are fixedly installed at least two and covered
The guide pin bushing 9 outside pull bar 2 is located at, the external diameter of pull bar 2 is equal with the internal diameter of guide pin bushing 9.
Top pressure structure includes baffle plate 10 and addendum cone 11, and baffle plate 10 is fixedly installed on the front end of sleeve pipe 1, the rearward end of addendum cone 11 with
The leading flank of baffle plate 10 is fixedly connected, and broad includes the first reaming blade for radially corresponding to an elongated hole 5 respectively
12 and the second reaming blade 13, the rear end of the first reaming blade 12 and the second reaming blade 13 is hinged on pull bar by bearing pin 14
2 front ends, the pyramidal structure of the thick metacone before of addendum cone 11, the first reaming blade 12 and the second reaming blade 13 constitute scissors shape,
The rear portion of addendum cone 11 is extend between the first reaming blade 12 and the second reaming blade 13, and torsion spring 15, torsion spring are arranged with bearing pin 14
15 two spring arms difference the first reaming of top pressure blade 12 and the second reaming blade 13, in the presence of torsion spring 15,11 points of addendum cone
Not with the first reaming blade 12 and the press fit of the second reaming blade 13, the first reaming blade 12 and the second reaming blade 13 it is outer
Side is provided with the thickness of stair-stepping diamond cutter tooth 16, the first reaming blade 12 and the second reaming blade 13 along its length
The width adaptation of equal elongated hole 5.
One of guide pin bushing 9 is arranged on the rear side of elongated hole 5, and another guide pin bushing 9 is arranged on the front side of riffled tube 6.
Replaceable axle sleeve 17 is provided between the inwall of push-and-pull drive sleeve 4 and the outer wall of pull bar 2.
Step（2）Detailed process is：First rig connecting shaft 3 is threadedly coupled with the power output shaft of rig.Then will set
Pipe 1 is pushed into the bolthole 18 accomplished fluently in advance, is stirred handle 7 and is rotated, and drives push-and-pull drive sleeve 4 to rotate and along riffled tube 6
Move forward, push-and-pull drive sleeve 4 promotes driving guide block 8 to march forward, driving guide block 8 drives pull bar 2 to move forward, before pull bar 2
The first reaming blade 12 being hinged and the second reaming blade 13 is held to move forward, because sleeve pipe 1 is motionless, with the first reaming blade
12 and second reaming blade 13 move forward, the addendum cone 11 of the front end of sleeve pipe 1 is by the first reaming blade 12 and the second reaming blade 13
Top, which is opened and stretches out two elongated holes 5, to be stretched out, the first reaming blade 12 and the second reaming blade 13 incision rock stratum.Then rig is started,
Rotated at a high speed by rig connecting shaft 3, rig connecting shaft 3 drives pull bar 2 to rotate, the first reaming blade 12 on pull bar 2
Rotated with the second reaming blade 13 and drive sleeve pipe 1 to rotate, the gold on the first reaming blade 12 and the second reaming blade 13
Hard rock cutter tooth 16 expands foot of hole to a conical tank 19.In addition, in the case of really up to the mark in rock stratum, first pull bar 2 can be pressed
To resistance it is larger when just start rig reaming, then stop rig, being then rotated further by handle 7 makes the first reaming blade 12 and second
Reaming blade 13 continues to open, repetition two to three i.e. achievable reamings of this process.Stop rig, opposite direction rotates handle 7, will
First reaming blade 12 and the second reaming blade 13 are retracted into sleeve pipe 1 in the presence of torsion spring 15 along elongated hole 5, finally extract set
Pipe 1 can complete the work of ream operation.
Step（4）In in the bolthole 18 injection Anchor Agent 21, be also full of after reaming in conical tank 19 by Anchor Agent 21,
The anchoring status such as Fig. 4 is finally realized by Stirring Anchor Agent 21.After anchoring is firm, upper padding plate 22 is covered simultaneously on anchor pole 20
It is threaded in using nut 23 on anchor pole 20 and backing plate 22 is pressed onto in wall.Thus make in anchor pole 20 and bolthole 18
It is even closer firm to be combined between wall, it is to avoid the activity of anchor pole 20 is even extracted outside bolthole 18, and the failure of anchor pole 20 caused is asked
Topic.
The present embodiment not makees any formal limitation to shape, material, structure of the present invention etc., every according to this hair
Any simple modification, equivalent variations and modification that bright technical spirit is made to above example, belong to the technology of the present invention side
The protection domain of case.
Claims (8)
1. reduce the plant anchor pole method that suspension roof support slides unstability, it is characterised in that：Comprise the following steps,
（1）, connect using rig common drilling rod and carry out brill bolthole after wall delimit position；
（2）, unload common drilling rod, change reaming drilling rod and be connected with rig, by reaming drilling rod be pushed into bolthole in bolthole
Bottom is carried out after ream operation, reaming operation, exits reaming drilling rod；
（3）, cleaning bolthole in ickings and landwaste；
（4）, anchor pole is inserted into bolthole, Anchor Agent is injected into bolthole；
（5）, Anchor Agent solidification after, on anchor pole cover upper padding plate and screw on nut make backing plate compress wall.
2. according to claim 1 reduce the plant anchor pole method that suspension roof support slides unstability, it is characterised in that：Reamer
Bar includes broad, sleeve pipe, pull bar, rig connecting shaft and push-and-pull drive sleeve, and pull bar is coaxial to be arranged in sleeve pipe,
It is assumed that sleeve pipe and pull bar are horizontally disposed with along the longitudinal direction, during broad rear end is connected on front side of pull bar front end, sleeve pipe
The heart symmetrically offers two elongated holes opened up along sleeve pipe axial direction, and sleeve pipe front end is provided with for driving broad to stretch out
The top pressure structure that elongated hole is radially expanded, sleeve pipe rear end is coaxial to be fixedly connected with the riffled tube that internal diameter is more than sleeve pipe, and push-and-pull is driven
Moving sleeve is coaxial to be stretched into and is threaded in riffled tube, and the rear end of push-and-pull drive sleeve is provided with after handle, pull bar
End sequentially pass through after riffled tube and push-and-pull drive sleeve with rig connecting shaft front end is coaxial is fixedly connected, outside rig connecting shaft
Circumference is provided with external thread structure；It is provided with riffled tube and coordinates with push-and-pull drive sleeve front end top pressure on pull bar
Driving guide block, driving guide block Maximum turning radius be more than push-and-pull drive sleeve internal diameter and less than riffled tube internal diameter,
Internal surface of sleeve pipe is fixedly installed at least two guide pin bushings being set in outside pull bar, the external diameter of pull bar and the internal diameter phase of guide pin bushing
Deng.
3. according to claim 2 reduce the plant anchor pole method that suspension roof support slides unstability, it is characterised in that：Top pressure knot
Structure includes baffle plate and addendum cone, and baffle plate is fixedly installed on the front end of sleeve pipe, and addendum cone rearward end is fixedly connected with baffle plate leading flank, reaming
Cutter includes the first reaming blade and the second reaming blade for radially corresponding to an elongated hole respectively, the first reaming blade
With the rear end of the second reaming blade by hinge in pull bar front end, addendum cone is in the pyramidal structure of preceding thick metacone, and first expands
Hole blade and the second reaming blade constitute scissors shape, addendum cone rear portion extend into the first reaming blade and the second reaming blade it
Between, torsion spring, two spring arms difference top pressure the first reaming blade of torsion spring and the second reaming blade are arranged with bearing pin, in torsion spring
Under effect, addendum cone respectively with the first reaming blade and the second reaming blade press fit, the first reaming blade and the second cornish bit
The outside of piece is provided with the thickness of stair-stepping diamond cutter tooth, the first reaming blade and the second reaming blade along its length
The width adaptation of equal elongated hole.
4. according to claim 3 reduce the plant anchor pole method that suspension roof support slides unstability, it is characterised in that：Wherein one
Individual guide pin bushing is arranged on rear side of elongated hole, and another guide pin bushing is arranged on front side of riffled tube.
5. according to claim 4 reduce the plant anchor pole method that suspension roof support slides unstability, it is characterised in that：Push-and-pull is driven
Replaceable axle sleeve is provided between moving sleeve inwall and pull bar outer wall.
6. according to claim 5 reduce the plant anchor pole method that suspension roof support slides unstability, it is characterised in that：Step
（2）Specially：First rig connecting shaft is threadedly coupled with the power output shaft of rig, then sleeve pipe is pushed into the anchor accomplished fluently in advance
In rod aperture, handle rotation is stirred, drives push-and-pull drive sleeve to rotate and moved forward along riffled tube, push-and-pull drive sleeve is promoted
Driving guide block marches forward, and driving guide block drives pull bar reach, the first reaming blade and the second reaming that pull bar front end is hinged
Blade is moved forward, because sleeve pipe is motionless, as the first reaming blade and the second reaming blade are moved forward, the top of sleeve pipe front end
First reaming blade and the second reaming blade top are opened and stretch out two elongated hole stretchings, the first reaming blade and the second cornish bit by cone
Piece cuts rock stratum；Then rig is started, is rotated at a high speed by rig connecting shaft, rig connecting shaft drives pull bar rotation, push-and-pull
The first reaming blade and the second reaming blade on bar rotate with and drive sleeve rotating, the first reaming blade and the second reaming
Diamond cutter tooth on blade expands foot of hole to a conical tank；Stop rig, opposite direction rotates handle, and first is expanded
Hole blade and the second reaming blade are retracted into sleeve pipe in the presence of torsion spring along elongated hole, and reaming can be completed by finally extracting sleeve pipe
The work of operation.
7. according to claim 6 reduce the plant anchor pole method that suspension roof support slides unstability, it is characterised in that：Step
（2）Specially：In the case of really up to the mark in rock stratum, can first by pull bar be pressed onto resistance it is larger when just start rig reaming, then stop
Rig, being then rotated further by handle makes the first reaming blade and the second reaming blade continue to open, and repeats this process two to three times i.e.
Reaming can be achieved.
8. according to claim 7 reduce the plant anchor pole method that suspension roof support slides unstability, it is characterised in that：Step
（4）Specially：After Anchor Agent is injected into bolthole and conical tank, Stirring Anchor Agent make Anchor Agent and anchor pole hole wall and
Anchor pole is fully contacted and solidified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710389185.3A CN106988773B (en) | 2017-05-27 | 2017-05-27 | Reduce the plant anchor pole method of suspension roof support sliding unstability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710389185.3A CN106988773B (en) | 2017-05-27 | 2017-05-27 | Reduce the plant anchor pole method of suspension roof support sliding unstability |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106988773A true CN106988773A (en) | 2017-07-28 |
| CN106988773B CN106988773B (en) | 2018-04-20 |
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| CN201710389185.3A Active CN106988773B (en) | 2017-05-27 | 2017-05-27 | Reduce the plant anchor pole method of suspension roof support sliding unstability |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108756757A (en) * | 2018-05-30 | 2018-11-06 | 河南理工大学 | Liquid injecting type mining drill hair style reamer |
| WO2018218900A1 (en) * | 2017-05-27 | 2018-12-06 | 河南理工大学 | Anchor-bolt hole interior reamer used for mining |
| CN109184567A (en) * | 2018-11-19 | 2019-01-11 | 河南理工大学 | A kind of anchor hole multistage countersinking device and control method |
| CN109339837A (en) * | 2018-11-28 | 2019-02-15 | 华北科技学院 | A kind of big cross section speedy drivage tunnel and anchor bar suspension device |
| CN109779662A (en) * | 2019-01-21 | 2019-05-21 | 河南理工大学 | The method of cherry coal rock gangway road bolthole bottom reaming filling and support |
| CN112127502A (en) * | 2020-09-24 | 2020-12-25 | 华北水利水电大学 | Building structure outer wall with greening and environment-friendly functions |
| CN112252983A (en) * | 2020-11-04 | 2021-01-22 | 中国矿业大学(北京) | Hydraulic hole expanding drill bit |
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