CN114673445A - Multi-head anchor rod drilling machine device, using method, blasting drilling method and top cutting drilling method - Google Patents
Multi-head anchor rod drilling machine device, using method, blasting drilling method and top cutting drilling method Download PDFInfo
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- CN114673445A CN114673445A CN202111544379.9A CN202111544379A CN114673445A CN 114673445 A CN114673445 A CN 114673445A CN 202111544379 A CN202111544379 A CN 202111544379A CN 114673445 A CN114673445 A CN 114673445A
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- drilling
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- connecting sleeve
- driven gear
- rod
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- 238000005553 drilling Methods 0.000 title claims abstract description 79
- 238000000034 method Methods 0.000 title claims description 34
- 238000005422 blasting Methods 0.000 title description 13
- 238000010276 construction Methods 0.000 claims description 11
- 239000011435 rock Substances 0.000 claims description 10
- 238000004873 anchoring Methods 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 7
- 238000005065 mining Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/002—Drilling with diversely driven shafts extending into the borehole
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/03—Couplings; joints between drilling rod or pipe and drill motor or surface drive, e.g. between drilling rod and hammer
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
-
- 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
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
The invention discloses a multi-head jumbolter device which comprises a motor, a connecting sleeve, a drill rod and a propelling mechanism, wherein the connecting sleeve is arranged on the motor; the motor is connected with the connecting sleeve, the drill rod is detachably connected on the connecting sleeve, the motor, the connecting sleeve and the drill rod form a whole A, one end of the propelling mechanism is fixedly connected with the whole A, and the propelling mechanism stretches and retracts to drive the whole A to move along the stretching direction of the propelling mechanism; further comprising: the gearbox, be equipped with 1 driving gear and n driven gear in the gearbox, the driving gear makes the driving gear can drive driven gear rotation with n driven gear looks meshing, and n is more than or equal to 2 positive integer, and the adapter sleeve passes through driven gear and is connected with the motor. The problem of prior art exist when boring group's stock drilling time consuming long, the depth of parallelism between the drilling is poor and the interval precision between the drilling is poor is solved.
Description
Technical Field
The invention relates to a multi-head jumbolter device, a using method, a blasting drilling method and a top cutting drilling method, and belongs to the technical field of drilling.
Background
The anchor rod assembling structure is characterized in that a plurality of anchor rods are arranged on a tray, and the anchor rods are uniformly arranged near the edge of the tray; compared with the traditional tray, after the number of the anchor rods is increased, the prestress and the anchoring strength of the anchor rods are improved in multiples; simultaneously, the position of stock is favorable to improving the atress of tray from the central authorities of tray shift to the edge of tray, is favorable to the long-term maintenance of tray prestressing force. However, the bolt set requires simultaneous drilling of multiple boreholes, and the conventional drilling method is as follows: marking is carried out in the drilling area, and drilling holes one by one at the marked position at a set angle through a drilling machine with a single drill rod, so that drilling hole groups matched with the number and the shape of the anchor rods in the group anchor rods are drilled. However, the conventional drilling method has the following problems in drilling a drilling group:
1) the drilling time is long, the construction speed depends on the number of the drilled holes of the drilled hole group and the drilling time of a single drilled hole, and the number of the drilled holes of the drilled hole group is more than 1, so that the drilling time is multiplied relative to the single drilling time;
2) the parallelism difference between the drill holes, the azimuth angle of each drill hole depends on the set angle of the drilling machine, and the azimuth angles of the drill holes cannot be the same due to factors such as mechanical errors when the drilling machine drills different drill holes each time, so that the parallelism difference of the rotated drill hole group causes that the drill hole group is difficult to be matched with the anchor rod group, and the anchor rod group cannot be installed;
3) The interval precision between the drilling is poor, and the interval of two adjacent drilling is set for and is waited to bore the mark of position depending on the position of rig, and when the rig bored different drilling at every turn, because factors such as mechanical error and mark error, can both beat the accuracy in every drilling position, and this drilling interval precision that has leaded to in the drilling group that has rotated out is poor for drilling group and group stock are difficult to match, lead to group stock installation not to go into.
The problem that the interval precision is poor between the poor and drilling of the depth of parallelism between long, drilling when boring group stock drilling exists in prior art, now the urgent need one kind when boring group stock drilling consuming time weak point, the drilling depth of parallelism that drills out is good and the interval precision is good between the drilling.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the multi-head jumbolter device, the using method, the blasting drilling method and the top cutting drilling method are provided to overcome the defects in the prior art.
The technical scheme of the invention is as follows: a multi-head jumbolter device comprises a motor, a connecting sleeve, a drill rod and a propelling mechanism;
the motor is connected with the connecting sleeve, the drill rod is detachably connected on the connecting sleeve, the motor, the connecting sleeve and the drill rod form a whole A, one end of the propelling mechanism is fixedly connected with the whole A, and the propelling mechanism stretches and retracts to drive the whole A to move along the stretching direction of the propelling mechanism;
Further comprising:
the gearbox, be equipped with 1 driving gear and n driven gear in the gearbox, the driving gear makes the driving gear can drive driven gear rotation with n driven gear looks meshing, and n is more than or equal to 2 positive integer, and the adapter sleeve passes through driven gear and is connected with the motor.
Further, the method also comprises the following steps:
the limiting plate is fixedly connected to the whole A and located on one side, far away from the motor, of the connecting sleeve, n through holes are formed in the limiting plate and matched with the drill rod, and the drill rod penetrates through the through holes when the drill rod is connected to the connecting sleeve due to the positions of the through holes.
A method of using the apparatus of claim 1, comprising the steps of:
s01, mounting the device on large-scale mechanical equipment, and adjusting and positioning the large-scale mechanical equipment driving device when the anchor rod cable is constructed for drilling;
s02, after the direction adjustment and the positioning are finished, the device starts a motor to drive a driving gear and a driven gear, so that the drill rod is driven to drill in the rock mass, and the pushing mechanism is pushed to stretch and control the drilling depth;
and S03, after the device finishes drilling, withdrawing the drill rod, placing an anchoring agent in the drill hole, replacing the drill rod with a group anchor rod body, rotating the group anchor rod body by using a multi-head drilling machine for anchoring, and finally installing a tray to finish the ultrahigh prestressed anchor rod support.
Specifically, the large mechanical equipment is an excavator or a trolley.
A blasting drilling method for a construction heading face comprises the following steps:
the apparatus of claim 1 is used to drill a face blast using conventional blast drilling methods.
A construction pressure relief roof cutting drilling method comprises the following steps:
setting n equal to 2, constructing a pressure relief roof cut borehole using the apparatus of claim 1 using two or more parallel boreholes along the roof cut surface while controlling the crest crack progression by controlling the included planar angle formed by the two parallel boreholes.
The beneficial effects of the invention are: compared with the prior art, the invention has the following advantages:
1) a plurality of drill rods drill holes simultaneously, the spacing and the azimuth angle between the drill rods are consistent, a plurality of parallel drill holes can be drilled quickly, and the precision of the spacing between the drill holes can be ensured;
2) the plurality of drill rods are used for simultaneously rotating the rod bodies of the plurality of anchor rods, so that the mounting speed of the anchor rod assembly is improved, the time difference between the mounting of the anchor rod assembly and the traditional anchor rod is shortened, and the construction defects of the anchor rod assembly are weakened;
3) the device is beneficial to equipment intensification, reduces the number of drilling machines, saves equipment space, assists in intelligent tunneling, carries out concentrated anchor rod cable support and optimizes support parameters;
4) The device is beneficial to directional roof cutting and smooth blasting, improves the construction efficiency and saves the economic cost;
5) the invention has the advantages of compact structure, easy operation, high degree of combination with mining engineering and easy popularization.
Drawings
FIG. 1 is a perspective view of embodiment 1 of the present invention;
FIG. 2 is a schematic structural view of a gear box according to embodiment 1 of the present invention;
FIG. 3 is a schematic view of a set anchor rod configuration;
fig. 4 is a schematic diagram of a construction heading face blasting drilling method.
Detailed Description
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In order to better understand the technical solutions, the technical solutions will be described in detail below with reference to the drawings and the detailed description.
Example 1 was carried out:
in order to solve the problems of long time consumption, poor parallelism among drill holes and poor precision of distance among the drill holes when drilling the anchor rods of the drilling group in the prior art, referring to fig. 1-3, in the embodiment, a multi-head anchor rod drilling machine device is adopted, and comprises a motor 1, a connecting sleeve 8, a drill rod 3 and a propelling mechanism 4; the motor 1 is connected with the connecting sleeve 8, the drill rod 3 is detachably connected to the connecting sleeve 8, the motor 1, the connecting sleeve 8 and the drill rod 3 form a whole A, one end of the pushing mechanism 4 is fixedly connected with the whole A, and the pushing mechanism 4 stretches and retracts to drive the whole A to move along the stretching direction of the pushing mechanism 4; further comprising: the gear box 2, be equipped with 1 driving gear 6 and n driven gear 7 in the gear box 2, driving gear 2 and n driven gear 6 meshing mutually make driving gear 6 can drive driven gear 6 and rotate, and n is more than or equal to 2 positive integer, and adapter sleeve 8 is connected with motor 1 through driven gear 6.
In this embodiment, to ensure that the drill rod does not incline, further, the method further includes: the limiting plate 5 is fixedly connected to the whole A and located on one side, far away from the motor 1, of the connecting sleeve 8, n through holes 5-1 are formed in the limiting plate 5, the through holes 5-1 are matched with the drill rod 3, and the drill rod 3 penetrates through the through holes 5-1 when the drill rod 3 is connected to the connecting sleeve 8 due to the positions of the through holes 5-1.
Example 2 was carried out:
in order to solve the problems of long time consumption, poor parallelism between drill holes and poor precision of distance between drill holes in the prior art when drilling a group bolt in the embodiment, a using method of the device according to claim 1 comprises the following steps:
s01, mounting the device on large mechanical equipment, and adjusting and positioning the large mechanical equipment driving device when the anchor rod cable is drilled;
s02, after the direction adjustment and the positioning are finished, the device starts the motor 1 to drive the driving gear 6 and the driven gear 7 to drive the drill rod 3 to drill in the rock mass, and the pushing mechanism 4 extends and retracts to control the drilling depth;
s03, after the device finishes drilling, the drill rod 3 is withdrawn firstly, then the anchoring agent is placed in the drilling hole, then the drill rod 3 is changed into a group anchor rod body 9, the group anchor rod body 9 is rotated by a multi-head drilling machine to be anchored, and finally the tray 10 is installed to finish the ultrahigh prestressed anchor rod support.
Specifically, the large mechanical equipment is an excavating and anchoring machine or a trolley.
Example 3 of implementation:
in order to improve the smooth blasting effect, in this embodiment, a method for blasting and drilling a construction driving face is adopted, where the method includes: performing a face blast drilling using the apparatus of claim 1 using a conventional blast drilling method. Because the parallelism among the drill holes is better, the smooth blasting effect is improved.
Example 4 of implementation:
the safety control of the surrounding rocks of the roadway is one of the most important works in the field of mining engineering, relates to the safety of people and mines, and is closely related to life and property. The bolting is the most direct mode of mine surrounding rock control, and the roof cutting pressure relief is the most important supplement of the surrounding rock control. The problems of serious tunnel deformation, unbalanced excavation and the like often occur in the deep part of the prestressed anchor support, so that the maintenance cost and the management cost are greatly increased, and the excavation efficiency is seriously restricted. The method for greatly improving the prestress of the anchor bolt support is a mode for inhibiting large deformation of surrounding rock, optimizing support parameters and improving mining efficiency. Compared with other fields, the mining anchor rod has short length requirement and high installation speed requirement, and is difficult to realize a higher prestress supporting scheme. When the anchor bolt support cannot meet the requirement of roadway surrounding rock safety, the surrounding rock safety control is carried out by combining roof cutting pressure relief; the difficulty of surrounding rock control is determined by the quality of the roof cutting and pressure relief effect, the construction of roof cutting and drilling and the effective formation of blasting roof cutting are of great importance to the roof cutting effect, and the good roof cutting effect is favorable for long-term stability of a roadway and economic cost saving.
In order to improve the roof cutting effect and efficiency, a construction pressure relief roof cutting drilling method is adopted in the embodiment, and the method comprises the following steps: setting n equal to 2, constructing a pressure relief roof cut borehole using the apparatus of claim 1 using two or more parallel boreholes along the roof cut surface while controlling the crest crack progression by controlling the planar angle formed by the two parallel boreholes.
Referring to fig. 4, the double-head drilling machine or the multi-head drilling machine can construct two or more parallel drilling holes along the top cutting surface BCHG at a time, and during blasting, the blasting surface is favorably developed along the extension of the ideal top cutting surface BCHG, the top cutting pressure relief effect is favorably realized, and the roadway safety and stability are favorably realized.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (6)
1. A multi-head anchor rod drilling machine device comprises a motor (1), a connecting sleeve (8), a drill rod (3) and a propelling mechanism (4);
the motor (1) is connected with the connecting sleeve (8), the drill rod (3) is detachably connected to the connecting sleeve (8), the motor (1), the connecting sleeve (8) and the drill rod (3) form a whole A, one end of the pushing mechanism (4) is fixedly connected with the whole A, and the pushing mechanism (4) stretches and retracts to drive the whole A to move along the stretching direction of the pushing mechanism (4);
it is characterized by also comprising:
The gear box (2), be equipped with 1 driving gear (6) and n driven gear (7) in gear box (2), driving gear (2) and n driven gear (6) meshing mutually make driving gear (6) can drive driven gear (6) and rotate, and n is more than or equal to 2 positive integer, and adapter sleeve (8) are connected with motor (1) through driven gear (6).
2. The multi-headed roofbolter device of claim 1, further comprising:
the limiting plate (5), limiting plate (5) fixed connection is on whole A and be located adapter sleeve (8) and keep away from one side of motor (1), is equipped with n perforation (5-1) on limiting plate (5), and perforation (5-1) and drilling rod (3) phase-match, and drilling rod (3) pass perforation (5-1) when drilling rod (3) are connected on adapter sleeve (8) in the position of perforation (5-1).
3. A method for using the device according to claim 1, comprising the steps of:
s01, mounting the device on large mechanical equipment, and adjusting and positioning the large mechanical equipment driving device when the anchor rod cable is drilled;
s02, after the direction adjustment and the positioning are finished, the device starts the motor (1), drives the driving gear (6) and the driven gear (7), drives the drill rod (3) to drill in the rock mass, and drives the mechanism (4) to stretch and control the drilling depth;
S03, after the device finishes drilling, the drill rod (3) is withdrawn firstly, then the anchoring agent is placed in the drilling hole, then the drill rod (3) is changed into a group anchor rod body (9), a multi-head drilling machine is used for anchoring the group anchor rod body (9) in a rotating mode, and finally the tray (10) is installed to finish supporting of the ultrahigh pre-stressed anchor rod.
4. Use according to claim 3,
the large mechanical equipment is an excavating and anchoring machine or a trolley.
5. A method of construction ripper face blast drilling of the apparatus of claim 1, the method comprising:
performing a face blast drilling using the apparatus of claim 1 using a conventional blast drilling method.
6. A method of pressure relief roof cutting drilling in the construction of the apparatus of claim 1, wherein the method is:
setting n equal to 2, constructing a pressure relief roof cut borehole using the apparatus of claim 1 using two or more parallel boreholes along the roof cut surface while controlling the crest crack progression by controlling the planar angle formed by the two parallel boreholes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111544379.9A CN114673445A (en) | 2021-12-16 | 2021-12-16 | Multi-head anchor rod drilling machine device, using method, blasting drilling method and top cutting drilling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111544379.9A CN114673445A (en) | 2021-12-16 | 2021-12-16 | Multi-head anchor rod drilling machine device, using method, blasting drilling method and top cutting drilling method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114673445A true CN114673445A (en) | 2022-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111544379.9A Pending CN114673445A (en) | 2021-12-16 | 2021-12-16 | Multi-head anchor rod drilling machine device, using method, blasting drilling method and top cutting drilling method |
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| CN (1) | CN114673445A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116816305A (en) * | 2023-07-28 | 2023-09-29 | 莱州亚通重型装备有限公司 | Portable maintenance device for coal mine drilling box |
-
2021
- 2021-12-16 CN CN202111544379.9A patent/CN114673445A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116816305A (en) * | 2023-07-28 | 2023-09-29 | 莱州亚通重型装备有限公司 | Portable maintenance device for coal mine drilling box |
| CN116816305B (en) * | 2023-07-28 | 2024-03-26 | 莱州亚通重型装备有限公司 | Portable maintenance device for coal mine drilling box |
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