CN111963184A - Boulder drilling and splitting device, shield tunneling machine, boulder splitting method and application - Google Patents
Boulder drilling and splitting device, shield tunneling machine, boulder splitting method and application Download PDFInfo
- Publication number
- CN111963184A CN111963184A CN202010900214.XA CN202010900214A CN111963184A CN 111963184 A CN111963184 A CN 111963184A CN 202010900214 A CN202010900214 A CN 202010900214A CN 111963184 A CN111963184 A CN 111963184A
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- splitting
- boulder
- drilling
- anchor
- sliding
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- 238000005553 drilling Methods 0.000 title claims abstract description 72
- 238000000034 method Methods 0.000 title claims abstract description 30
- 230000005641 tunneling Effects 0.000 title claims abstract description 8
- 238000009412 basement excavation Methods 0.000 claims abstract description 11
- 238000004901 spalling Methods 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 claims description 28
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000005065 mining Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 10
- 239000004575 stone Substances 0.000 claims description 9
- 239000003245 coal Substances 0.000 claims description 8
- 241001074085 Scophthalmus aquosus Species 0.000 claims description 3
- 230000003028 elevating effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 3
- 239000011435 rock Substances 0.000 abstract description 27
- 238000010276 construction Methods 0.000 abstract description 13
- 238000005422 blasting Methods 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000002360 explosive Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000005474 detonation Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
-
- 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
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a boulder splitting drilling device, a shield tunneling machine, a boulder splitting method and application. According to the rock breaking device, the anchor drilling device is matched with the splitting device, so that the boulder in the excavation face is subjected to first drilling and then spalling and breaking, and the rock breaking efficiency is greatly improved. The tunnel rock breaking device is ingenious in structural design, the anchor drilling device and the splitting device are flexible to move, boulders in different positions can be accurately broken, efficient and safe excavation of a tunnel is achieved by matching with a shield machine, the investment cost is reduced, and the construction efficiency and the construction safety coefficient are improved.
Description
Technical Field
The invention relates to the technical field of tunnel construction, in particular to a boulder drilling and splitting device, a shield tunneling machine, a boulder splitting method and application.
Background
The rock breaking method is very various, and earlier, a manual splitting method is adopted, namely, a plurality of wedge-shaped holes are manually chiseled on a rock mountain body by iron, metal wedges are inserted, and the rock is sequentially beaten by an iron hammer until the rock is separated from the rock body, the rock can be separated from the rock body, because the tension generated by the inclined plane of the wedges is greater than the tensile strength of the rock, the rock is split from top to bottom from the surface of the rock body, the mining belongs to original manual mining, and the efficiency is low, and the labor intensity is high. There is also a method of explosive blasting, i.e. drilling several very deep blastholes on the rock mass, loading explosives or detonating cords for detonation, because the blast load is directly acted in the rock mass and the detonation wave is propagated to the periphery of the rock mass, it is difficult to control the formation of rock, producing many waste materials, also producing violent vibrations, accompanied by flyrock, and the operation safety is low. To overcome the defects of the two methods, the Chinese patent CN 1097237A discloses a splitting method and a splitter for quarrying stone, wherein a shallow hole is drilled on a rock body, a tension splitter which is composed of two half metal column groove bodies and is provided with an energy releaser in an inner cavity is arranged in the shallow hole, and the tension generated by the splitter splits the rock after the energy is released outside the hole. And is not suitable for crushing the boulder in tunneling.
In the tunnel excavation process, boulder crushing can also be performed by adopting a drilling and blasting method, for example, in a construction method for boulder exploration and blasting treatment along a shield tunnel disclosed in chinese patent CN106524844B, explosive blasting is adopted, so that the rock breaking efficiency is improved, but the blasting direction is not easy to control, and the safety coefficient is low. Therefore, it is necessary to design a boulder drilling and splitting device with good flexibility, high crushing efficiency and wide application range.
Disclosure of Invention
Aiming at the defects in the background technology, the invention provides a boulder drilling and splitting device, a shield tunneling machine, a boulder splitting method and application, so as to solve the technical problems.
The technical scheme of the invention is realized as follows: the utility model provides a boulder bores and splits device, includes the support frame, be equipped with anchor drill device and splitting device on the support frame, the anchor drill device is connected with the support frame through glide machanism, and the splitting device is connected with the support frame through elevating system.
Preferably, the sliding mechanism comprises a sliding rail fixed on the support frame, a sliding table is arranged on the sliding rail in a sliding mode, the anchor drilling device is arranged on the sliding table, a driving motor is arranged on one side of the sliding table, and the driving motor drives the sliding table to move along the sliding rail through a transmission mechanism.
Preferably, the transmission mechanism comprises a driving gear arranged at the output end of the driving motor and a transmission rack fixed on the support frame, and the driving gear is meshed with the transmission rack. Further, the anchor drilling device comprises a drilling machine and a drill string, wherein the drilling machine is fixed on the sliding table, and the drill string is connected to the output end of the drilling machine.
Preferably, the lifting mechanism comprises a lifting oil cylinder fixed on the support frame, the telescopic end of the lifting oil cylinder is provided with a mounting plate frame, and the splitting device is arranged on the mounting plate frame. The splitting device is connected with the mounting plate frame through an axial sliding mechanism.
Preferably, the axial sliding mechanism comprises a linear motor and an axial guide rail which are arranged on the mounting plate frame, the axial guide rail and the linear motor are arranged in parallel, a mounting seat is arranged on the linear motor, the anchor drill device is fixed on the mounting seat, and the mounting seat is connected with the axial guide rail in a sliding mode through a sliding block.
Preferably, the mounting seat is connected with a sliding block of the linear motor through a connecting ring. The splitting device is a splitting rod, and the splitting rod and the anchor drill device are arranged in the same direction.
A heading machine comprises the boulder drilling and splitting device.
The boulder splitting method of the boulder splitting device comprises the following steps:
s1: in the tunnel excavation process, when a large boulder is encountered, the boulder splitting device is conveyed to a proper position away from the boulder;
s2: an anchor drilling device of the boulder splitting device performs anchor drilling on the boulder according to a pre-planned position to form a splitting drill hole;
s3: after the anchor drilling device finishes all splitting drill holes, the anchor drilling device is folded below the splitting device, and the splitting device is debugged to a position corresponding to the splitting drill holes;
s4: a splitting rod of the splitting device is inserted into the splitting drill hole, and orderly spalling is carried out on the splitting drill hole to finish splitting the boulder;
s5: and (4) retracting the boulder splitting device, and continuously excavating the tunnel through the tunneling machine.
The utility model provides an application of boulder splitting device in coal mining process, in the coal mining process, when meetting the boulder, carry out earlier the bloated fracture breakage of drilling back to the boulder through the boulder splitting device.
According to the rock breaking device, the anchor drilling device is matched with the splitting device, the boulder in the excavated surface is drilled firstly and then is fractured and broken, directional rock breaking is realized, and the rock breaking efficiency and the safety coefficient are greatly improved. The tunnel rock breaking device is ingenious in structural design, the anchor drilling device and the splitting device are flexible to move, the boulder at different positions can be accurately broken, efficient and safe excavation of the tunnel is achieved by matching with a shield machine, the investment cost is reduced, the construction efficiency and the construction safety coefficient are improved, and the tunnel rock breaking device has higher practical and popularization values. The invention replaces the problems of large rock stratum damage degree and difficult control of the blasting direction caused by the construction of a drilling and blasting method, can be applied to tunnel excavation or coal mining, and ensures the construction safety.
Drawings
In order to illustrate the embodiments of the invention more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, it being apparent that the drawings in the following description are only some embodiments of the invention, and that other drawings may be derived from those drawings by a person skilled in the art without inventive effort.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural diagram of the anchor drilling device of the invention.
Fig. 3 is a schematic view of a first configuration of the cleaving device of the present invention.
Fig. 4 is a schematic view of a second structure of the cleaving device of the present invention.
Fig. 5 is a schematic view of the construction state of the anchor drilling device.
Fig. 6 is a schematic view of the splitting device in a construction state.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1, in embodiment 1, a boulder drilling and splitting device includes a supporting frame 4, which is a supporting structure, and a traveling mechanism may be additionally disposed at a lower portion of the supporting frame to facilitate movement of the supporting frame. And the support frame 4 is provided with an anchor drilling device 1 and a splitting device 2, and the support frame provides support for the anchor drilling device and the splitting device. To avoid interference, the anchor drill device 1 is located above the splitting device 2, and the splitting device 2 is moved up and down by a lifting mechanism. The anchor drilling device 1 is connected with the support frame 4 through the sliding mechanism 5, can slide relative to the support frame under the action of the sliding mechanism, and is used for anchor drilling on boulders in the excavation face. The splitting device 2 is connected with the support frame 4 through the lifting mechanism 3, and after the anchor drilling device drills the boulder, the lifting mechanism drives the splitting device to move upwards to burst and break the boulder in the anchor drilling hole. The splitting device 2 is a splitting rod, and when the anchor drilling device drills a hole, the splitting rod is positioned below the anchor drilling device 1; when the cracking is carried out, the splitting device rises under the action of the lifting mechanism to crack the drilled hole on the boulder.
Further, as shown in fig. 2, the sliding mechanism 5 includes a slide rail 503 fixed on the support frame 4, a sliding table 502 is slidably disposed on the slide rail 503, the anchor drilling device 1 is disposed on the sliding table 502, a driving motor 504 is disposed on one side of the sliding table 502, and the driving motor 504 drives the sliding table 502 to move along the slide rail 503 through a transmission mechanism, so as to drive the anchor drilling device to move along the support frame. Preferably, the transmission mechanism comprises a driving gear 501 arranged at the output end of the driving motor 504 and a transmission rack 506 fixed on the support frame 4, and the driving gear 501 is meshed with the transmission rack 506; under the action of the driving motor, the driving gear rotates along the rack, and then the sliding table is driven to move axially along the sliding rail. Preferably, the anchor drilling device 1 comprises a drilling rig 101 and a drill string 102, the drilling rig 101 is fixed on a slip table 502, and the drill string 102 is connected to the output end of the drilling rig 101. The drill rotates to drive the drill column to rotate, and the boulder in the excavation face is drilled.
As shown in fig. 3 and 4, in embodiment 2, the boulder drilling and splitting device includes that the lifting mechanism 3 includes a lifting cylinder 301 fixed on the support frame 4, the lifting cylinder 301 is vertically arranged around the support frame, the telescopic end of the lifting cylinder 301 is provided with a mounting plate frame 302, and the splitting device 2 is arranged on the mounting plate frame 302. The mounting plate holder 302 provides support for the cleaving device for positional adjustment in its height direction.
Further, the cleaving device 2 is connected to the mounting plate holder 302 via an axial sliding mechanism for adjusting the axial position of the cleaving device. Preferably, the axial sliding mechanism comprises a linear motor 303 and an axial guide rail 304 which are arranged on the mounting plate frame 302, the axial guide rails 304 are symmetrically arranged on two sides of the linear motor, and the axial guide rail 304 and the linear motor 303 are arranged in parallel, so that the splitting device and the anchor drilling device move in the same direction. The linear motor 303 is provided with a mounting base 305, and the anchor drilling device 1 is fixed on the mounting base 305 and moves synchronously with the mounting. The mounting base 305 is slidably connected with the axial guide rail 304 through a sliding block 306, so that stable movement of the mounting base is ensured. The mount 305 is connected to the slide block 3031 of the linear motor 303 through a connection ring 307. The other structure is the same as embodiment 1.
The construction steps of the isolated stone drilling and splitting device are as follows (as shown in figures 5 and 6): 1. in the initial state, the splitting device 2 is positioned at the bottom end; 2. the driving motor is started to drive the drilling machine to linearly move along the slide rail, and the boulder on the tunnel face is drilled; 3. the drilling machine returns, the splitting device is driven by the lifting mechanism to be lifted to the same plane of the drilling machine and driven by the linear motor to send the splitting rod into a drill hole; 4. the splitting rod splits the boulder to realize the breaking of the boulder.
Example 3: the utility model provides a heading machine, includes embodiment 2 the boulder brill split device, cooperate other systems of current heading machine, carry out quick rubble to the boulder through the boulder brill split device, realize the high-speed excavation to the tunnel, reduce cutter wearing and tearing.
Example 4: an boulder cleaving method of the boulder cleaving device (as shown in fig. 5 and 6): the method comprises the following steps:
s1: in the tunnel excavation process, when a large boulder is encountered, the boulder splitting device is conveyed to a proper position away from the boulder, so that the boulder can be conveniently drilled, split and crushed;
s2: the anchor drilling device 1 of the boulder splitting device performs anchor drilling on the boulder according to a pre-planned position to form a splitting drill hole; specifically, a driving motor is started to drive a drilling machine to linearly move along a sliding rail, and a boulder on a tunnel face is drilled;
s3: after the anchor drilling device 1 finishes all splitting drilling holes, the anchor drilling device is folded below the splitting device 2, and the splitting device 2 is debugged to a position corresponding to the splitting drilling holes; the method comprises the following steps: the drilling machine is retracted and is driven by the sliding table to move a part of distance laterally,
s4: the splitting rod of the splitting device 2 is inserted into the splitting drill hole to perform orderly spalling on the splitting drill hole so as to complete the splitting of the boulder; the method comprises the following steps: the splitting device is driven by a lifting mechanism to be lifted to the same plane of the drilling machine, and is driven by a linear motor to send a splitting rod into a drill hole; the splitting rod splits the boulder to realize the breaking of the boulder.
S5: the boulder splitting device is retracted, the tunnel is continuously excavated through the development machine, the rock stratum damage degree caused by the construction of the drilling and blasting method is large, the blasting direction is not easy to control, and the construction safety factor is improved.
Example 5: the utility model provides an application of boulder splitting device in coal mining process, in the coal mining process, when meetting the boulder, carry out earlier the bloated breakage that splits of drilling back to the boulder through the boulder splitting device, be applicable to various coal mining ground conditions, improve mining efficiency and mining factor of safety.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (12)
1. A boulder brill device of cleaving, includes support frame (4), its characterized in that: the anchor drilling device is characterized in that an anchor drilling device (1) and a splitting device (2) are arranged on the support frame (4), the anchor drilling device (1) is connected with the support frame (4) through a sliding mechanism (5), and the splitting device (2) is connected with the support frame (4) through a lifting mechanism (3).
2. The boulder boring and splitting apparatus of claim 1, wherein: the sliding mechanism (5) comprises a sliding rail (503) fixed on the support frame (4), a sliding table (502) is arranged on the sliding rail (503) in a sliding mode, the anchor drilling device (1) is arranged on the sliding table (502), a driving motor (504) is arranged on one side of the sliding table (502), and the driving motor (504) drives the sliding table (502) to move along the sliding rail (503) through a transmission mechanism.
3. The boulder boring and splitting apparatus of claim 2, wherein: the transmission mechanism comprises a driving gear (501) arranged at the output end of the driving motor (504) and a transmission rack (506) fixed on the support frame (4), and the driving gear (501) is meshed with the transmission rack (506).
4. The solitary stone drilling and splitting apparatus of claims 2 or 3, wherein: the anchor drilling device (1) comprises a drilling machine (101) and a drill string (102), wherein the drilling machine (101) is fixed on a sliding table (502), and the drill string (102) is connected to the output end of the drilling machine (101).
5. The boulder boring and splitting apparatus as recited in any one of claims 1 to 3, further comprising: elevating system (3) are including fixing lift cylinder (301) on support frame (4), and the flexible end of lift cylinder (301) is equipped with installation grillage (302), splitting device (2) set up on installation grillage (302).
6. The boulder boring and splitting apparatus of claim 5, wherein: the splitting device (2) is connected with the mounting plate frame (302) through an axial sliding mechanism.
7. The solitary stone splitting apparatus of claim 6, wherein: axial slide mechanism is including setting up linear electric motor (303) and axial guide (304) on installation grillage (302), axial guide (304) and linear electric motor (303) parallel arrangement, be equipped with mount pad (305) on linear electric motor (303), anchor drill device (1) is fixed on mount pad (305), and mount pad (305) pass through slider (306) and axial guide (304) sliding connection.
8. The solitary stone splitting apparatus of claim 7, wherein: the mounting seat (305) is connected with a sliding block (3031) of the linear motor (303) through a connecting ring (307).
9. The boulder drilling and splitting apparatus as claimed in any one of claims 1, 6-8, wherein: the anchor splitting device (2) is a splitting rod, and the splitting rod and the anchor drill device (1) are arranged in the same direction.
10. A heading machine is characterized in that: comprising the solitary stone splitting apparatus of claim 9.
11. An orphan stone cleaving method of the orphan stone cleaving device of claim 9, wherein: the method comprises the following steps:
s1: in the tunnel excavation process, when a large boulder is encountered, the boulder splitting device is conveyed to a proper position away from the boulder;
s2: an anchor drilling device (1) of the boulder splitting device performs anchor drilling on the boulder according to a pre-planned position to form a splitting drill hole;
s3: after the anchor drill device (1) finishes all splitting drill holes, the anchor drill device is folded below the splitting device (2), and the splitting device (2) is debugged to a position corresponding to the splitting drill holes;
s4: a splitting rod of the splitting device (2) is inserted into the splitting drill hole to perform orderly spalling on the splitting drill hole so as to complete splitting of the boulder;
s5: and (4) retracting the boulder splitting device, and continuously excavating the tunnel through the tunneling machine.
12. Use of the solitary stone splitting apparatus of claim 9 in a coal mining process, wherein: in the coal mining process, when encountering the boulder, the boulder is drilled firstly and then cracked and crushed by the boulder splitting device.
Priority Applications (1)
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CN202010900214.XA CN111963184A (en) | 2020-08-31 | 2020-08-31 | Boulder drilling and splitting device, shield tunneling machine, boulder splitting method and application |
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CN202010900214.XA CN111963184A (en) | 2020-08-31 | 2020-08-31 | Boulder drilling and splitting device, shield tunneling machine, boulder splitting method and application |
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CN202010900214.XA Pending CN111963184A (en) | 2020-08-31 | 2020-08-31 | Boulder drilling and splitting device, shield tunneling machine, boulder splitting method and application |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114922638A (en) * | 2022-07-01 | 2022-08-19 | 中国十九冶集团有限公司 | Rock breaker for tunnel construction |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109798120A (en) * | 2019-01-25 | 2019-05-24 | 中国铁建重工集团有限公司 | A kind of brill for tunnel excavation splits trolley |
CN110486013A (en) * | 2019-07-25 | 2019-11-22 | 广西雷公斧重工有限公司 | Splitting machine with drilling function |
CN210239672U (en) * | 2019-07-31 | 2020-04-03 | 四川达竹煤电(集团)有限责任公司金刚煤矿 | Non-blasting ring rotation type water drill tunneling and excavating machine |
-
2020
- 2020-08-31 CN CN202010900214.XA patent/CN111963184A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109798120A (en) * | 2019-01-25 | 2019-05-24 | 中国铁建重工集团有限公司 | A kind of brill for tunnel excavation splits trolley |
CN110486013A (en) * | 2019-07-25 | 2019-11-22 | 广西雷公斧重工有限公司 | Splitting machine with drilling function |
CN210239672U (en) * | 2019-07-31 | 2020-04-03 | 四川达竹煤电(集团)有限责任公司金刚煤矿 | Non-blasting ring rotation type water drill tunneling and excavating machine |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114922638A (en) * | 2022-07-01 | 2022-08-19 | 中国十九冶集团有限公司 | Rock breaker for tunnel construction |
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