CN108952743B - Cantilever tunneling machine carrying suspension cutter for breaking rock and construction method thereof - Google Patents
Cantilever tunneling machine carrying suspension cutter for breaking rock and construction method thereof Download PDFInfo
- Publication number
- CN108952743B CN108952743B CN201810935394.8A CN201810935394A CN108952743B CN 108952743 B CN108952743 B CN 108952743B CN 201810935394 A CN201810935394 A CN 201810935394A CN 108952743 B CN108952743 B CN 108952743B
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- cantilever
- rock
- cutter
- body mechanism
- main body
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- 239000011435 rock Substances 0.000 title claims abstract description 58
- 239000000725 suspension Substances 0.000 title claims abstract description 40
- 238000010276 construction Methods 0.000 title claims abstract description 12
- 230000005641 tunneling Effects 0.000 title abstract description 8
- 239000002893 slag Substances 0.000 claims abstract description 18
- 238000007599 discharging Methods 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims description 7
- 239000002344 surface layer Substances 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000009412 basement excavation Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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
- E21D9/10—Making by using boring or cutting machines
- E21D9/1006—Making by using boring or cutting machines with rotary cutting tools
-
- 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
- E21D9/10—Making by using boring or cutting machines
- E21D9/1086—Drives or transmissions specially adapted therefor
-
- 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
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Earth Drilling (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a cantilever tunneling machine carrying a cantilever cutter for breaking rock and a construction method thereof, which solve the problem that the existing tunneling machine is difficult to excavate a short-distance, hard rock and special-shaped tunnel. The invention installs counter-force supporting mechanism and travelling mechanism in the inferior part of the body mechanism, there are slag discharging systems in the body mechanism, slag discharging system extends out of the body mechanism back, the body mechanism front has rotary tables, there are hydraulic rotary cylinders to drive rotary tables to rotate in the body mechanism, the front of the rotary tables has pitching cylinders, there are cantilevers on the rotary tables, the middle part of the cantilever is hinged with pitching cylinder, the cantilever front has rotating shafts, there are rotating motors to drive rotating shafts to rotate in the cantilever, the cantilever is connected with cutter head through the rotating shaft, there are suspension cutters on the cutter head. The invention adopts the cantilever and installs the suspension knife on the cutterhead, so that all cutterheads can excavate simultaneously, and the excavation efficiency and the rock hardness range of rock breaking are improved.
Description
Technical Field
The invention relates to the technical field of a cantilever of a heading machine, in particular to a cantilever heading machine carrying a suspension cutter for breaking rock and a construction method thereof.
Background
Compared with a full-section hard rock tunnel boring machine, the cantilever tunneling machine has lower cost, and in tunnel construction, only the material transporting vehicle is required to transport out the excavated slag soil, so that the investment of equipment and the potential safety hazards are greatly reduced. The cantilever heading machine used in tunnel construction is mostly used for all-rock tunnels and half-coal tunnels with lower hardness at present. There are fewer applications for hard rock tunnels. It is desirable to develop a boom cutter that can be used for excavation of short-distance, hard rock, profiled tunnels.
Disclosure of Invention
The invention provides a cantilever tunneling machine with a suspended cutter for breaking rock and a construction method thereof, and aims to solve the problem that the existing tunneling machine in the background technology is difficult to excavate short-distance hard rock and special-shaped tunnels.
The technical scheme of the invention is as follows: a multi-arm cantilever tunneling machine carrying a cantilever cutter for breaking rock comprises a main body mechanism, wherein a rotary device is arranged at the front part of the main body mechanism, at least one cantilever is movably arranged on the rotary device, the front part of the cantilever is connected with the rear part of a cutter disc, and the cantilever cutter is arranged on the cutter disc.
The lower part of the main body mechanism is provided with a counter-force supporting mechanism and a traveling mechanism, a slag discharging system is arranged in the main body mechanism, and the slag discharging system extends out of the rear part of the main body mechanism.
The rotary device comprises a rotary table, the rotary table is movably arranged at the front part of the main body mechanism, a hydraulic rotary oil cylinder for driving the rotary table to rotate is arranged in the main body mechanism, a pitching oil cylinder is arranged at the front part of the rotary table, and the cantilever is hinged on the rotary table.
The rotary table is provided with an ear seat, and the rear part of the cantilever is hinged on the ear seat.
The front part of the cantilever is provided with a rotating shaft, the inside of the cantilever is provided with a rotating motor for driving the rotating shaft to rotate, and the cantilever is connected with the cutterhead through the rotating shaft.
The cutting edge at the upper part of the suspension cutter extends out of the edge of the cutter head, and the lower part of the suspension cutter is fixed on the cutter head through a bolt.
The construction method of the multi-arm cantilever heading machine carrying the suspension cutter for breaking the rock comprises the following steps: s1: starting the traveling mechanism to drive the main body mechanism to reach a construction site, and fixing the main body mechanism against the ground by the counterforce support frame to fix a rock stratum cutting point;
S2: the driving oil cylinder in the main body mechanism drives the rotary table to rotate through gear transmission, the rotary table drives the cantilever to rotate, the pitching oil cylinder drives the cantilever to move up and down, and the position of the cutter disc is adjusted, so that the cutting edge of the upper suspension cutter on the edge of the cutter disc reaches a cutting point;
S3: the driving oil cylinder in the main body mechanism drives the rotary table to rotate through gear transmission, the rotary table drives the corresponding cantilever and the cutterhead to horizontally rotate at the same time, and the pitching oil cylinder drives the cantilever and drives the cutterhead to vertically move, so that all the cutterheads can randomly move in the same rock surface layer to obtain a larger rock breaking range;
S4: the main body mechanism drives a rotating motor in the cantilever to rotate, a rotating shaft connected with an output shaft of the rotating motor drives the cutterhead to rotate, and the cutterhead drives the suspension cutter to rotate; the cutting edge of the suspension cutter is obliquely cut into the rock under pressure, and the rock on the excavated surface is cracked and then is broken down under the oblique cutting stress generated by rolling the cutting edge of the suspension cutter;
S5: the broken rock slag is conveyed to the rear part of the main body mechanism through a slag discharging system, and when the rock surface layer is broken, the main body mechanism is driven to continuously advance by the travelling mechanism;
s6: and repeating the steps S1 to S5 until the rock breaking engineering is finished.
According to the invention, a cutter head with a cantilever and a suspension cutter is driven by a cantilever to break rock, so that the method is suitable for excavating a short-distance tunnel; the rotary table drives the cantilever to swing left and right on a horizontal plane, and the pitching oil cylinder drives the cantilever to move up and down on a vertical plane, so that the cantilever can drive the cutterhead to move at will, and the device can be used for excavating a special-shaped section; during excavation, the suspension cutter on the cutter head obliquely cuts into rock, so that the rock is broken through the oblique cutting stress applied by the suspension cutter, and the cutter head is applicable to the excavation of hard rock tunnels.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a main view angle structure of the present invention;
FIG. 2 is a schematic top view of the present invention;
Fig. 3 is a schematic diagram of a cutterhead structure of the present invention;
FIG. 4 is a schematic diagram of a suspension blade arrangement of the present invention;
fig. 5 is a schematic view of the suspension cutter rock breaking of the present invention.
In the figure, 1, a main body mechanism, 101, an operation room, 2, a counter force supporting mechanism, 3, a slag discharging device, 4, a travelling mechanism, 5, a rotary table, 501, a pitching oil cylinder, 6, a cantilever, 7, a cutter head, 8 and a suspension cutter.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 and 2, example 1: the utility model provides a carry on cantilever development machine that hangs cutter broken rock, including main body mechanism 1, counter-force supporting mechanism 2 and running gear 4 are installed to main body mechanism 1 lower part, main body mechanism 1 is inside to be equipped with slag discharging system 3, slag discharging system 3 extends main body mechanism 1 rear portion, main body mechanism 1 front portion is equipped with revolving platform 5, main body mechanism 1 is inside to be equipped with the rotatory hydraulic slewing cylinder of drive revolving platform 5, revolving platform 5's front portion is equipped with every single move hydro-cylinder 501, be equipped with an ear seat on the revolving platform 5, it has a cantilever 6 to articulate on the ear seat, cantilever 6's middle part is articulated with every single move hydro-cylinder 501, cantilever 6 front portion is equipped with the pivot, cantilever 6's inside is equipped with the rotating electrical machines of drive pivot pivoted, cantilever 6 is connected through pivot and cutterhead 7 rotation, as shown in fig. 3, be equipped with on the cutterhead 7 and hang cutter 8.
The using steps are as follows: s1: starting the traveling mechanism 4 to drive the main body mechanism 1 to reach a construction site, and fixing the main body mechanism 1 against the ground by the counterforce support frame 2 to fix a rock stratum cutting point;
S2: the driving oil cylinder in the main body mechanism 1 drives the rotary table 5 to rotate through gear transmission, the rotary table 5 drives the cantilever 6 to rotate, the pitching oil cylinder 503 drives the cantilever 6 to move up and down, and the position of the cutter disc 7 is adjusted, so that the cutting edge of the upper suspension cutter 8 on the edge of the cutter disc 7 reaches a cutting point;
s3: the driving oil cylinder in the main body mechanism 1 drives the rotary table 5 to rotate through gear transmission, the rotary table 5 drives the corresponding cantilever 6 and the cutterhead 7 to horizontally rotate at the same time, and the pitching oil cylinder 503 drives the cantilever 6 to drive the cutterhead 7 to vertically move, so that all the cutterheads 7 can randomly move in the same rock surface layer to obtain a larger rock breaking range;
S4: the main body mechanism 1 drives a rotating motor in the cantilever 6 to rotate, a rotating shaft connected with an output shaft of the rotating motor drives the cutter head 7 to rotate, and the cutter head 7 drives the suspension cutter 8 to rotate; the cutting edge of the suspension cutter 8 is obliquely cut into the rock under pressure, and the rock on the excavated surface is cracked and then is broken down under the oblique cutting stress generated by rolling the cutting edge of the suspension cutter 8;
S5: the broken rock slag is conveyed to the rear part of the main body mechanism 1 through the slag discharging system 3, and when the rock surface layer is broken, the traveling mechanism 4 drives the main body mechanism 1 to continue to advance;
s6: and repeating the steps S1 to S5 until the rock breaking engineering is finished.
Example 2: the utility model provides a carry on cantilever development machine that hangs cutter broken rock, including main body mechanism 1, counter-force supporting mechanism 2 and running gear 4 are installed to main body mechanism 1 lower part, main body mechanism 1 is inside to be equipped with slag discharging system 3, slag discharging system 3 extends main body mechanism 1 rear portion, main body mechanism 1 front portion is equipped with revolving platform 5, main body mechanism 1 is inside to be equipped with the rotatory hydraulic slewing cylinder of drive revolving platform 5, revolving platform 5's front portion is equipped with every single move hydro-cylinder 501, bilateral symmetry is equipped with two earpieces on the revolving platform 5, all articulate on every earpieces has a cantilever 6, in order that cantilever 6 is convenient for go on uniformly from top to bottom steadily, rotate, increase cantilever 6 bearable capacity, can uniformly coordinate when broken rock to the face, every cantilever 6 all articulates with two every single move hydro-cylinder 501. Other structures and use modes are the same as those of the embodiment 1.
Example 3: in order to facilitate stress when the suspension cutter 8 breaks the rock, as shown in fig. 4, the blade at the upper part of the suspension cutter 8 extends out of the edge of the cutterhead 7, and the lower part of the suspension cutter 8 is fixed on the cutterhead 7 through a bolt. Other structures and use modes are the same as those of the embodiment 1.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (5)
1. The utility model provides a carry on cantilever entry driving machine that suspension cutter broken rock, includes main part mechanism (1), its characterized in that: the front part of the main body mechanism (1) is provided with a rotating device, at least one cantilever (6) is movably arranged on the rotating device, the front part of the cantilever (6) is rotationally connected with a cutter head (7), the cutter head (7) is provided with a suspension cutter (8), and the cutting edge at the upper part of the suspension cutter extends out of the edge of the cutter head 7;
the lower part of the main body mechanism (1) is provided with a counter-force supporting mechanism (2) and a travelling mechanism (4), a slag discharging system (3) is arranged in the main body mechanism (1), and the slag discharging system (3) extends out of the rear part of the main body mechanism (1);
The slewing device comprises a slewing table (5), the slewing table (5) is movably arranged at the front part of the main body mechanism (1), a hydraulic slewing cylinder for driving the slewing table (5) to rotate is arranged in the main body mechanism (1), a pitching cylinder (503) is arranged at the front part of the slewing table (5), and a cantilever (6) is hinged on the slewing table (5);
two ear seats are symmetrically arranged on the rotary table (5) left and right, each ear seat is hinged with a cantilever (6), and in order to facilitate the cantilever (6) to stably and uniformly move up and down and rotate, the bearing capacity of the cantilever (6) is increased, the rock breaking of the face can be uniformly and cooperatively carried out, and each cantilever (6) is hinged with two pitching cylinders (501);
The driving oil cylinder in the main body mechanism (1) drives the rotary table (5) to rotate through gear transmission, the rotary table (5) drives the corresponding cantilever (6) and the cutterhead (7) to horizontally rotate at the same time, the pitching oil cylinder (503) drives the cantilever (6) to drive the cutterhead (7) to vertically move, and therefore all the cutterheads (7) can freely move in the same rock surface layer to obtain a larger rock breaking range; the main body mechanism (1) drives a rotating motor in the cantilever (6) to rotate, a rotating shaft connected with an output shaft of the rotating motor drives the cutterhead (7) to rotate, and the cutterhead (7) drives the suspension cutter (8) to rotate; the cutting edge of the suspension cutter (8) is pressed to obliquely cut into the rock, and the rock on the excavated surface is cracked and then is broken down under the oblique cutting stress generated by rolling the cutting edge of the suspension cutter (8).
2. The boom tunnel boring machine for breaking rock with a suspension blade according to claim 1, wherein: an ear seat (502) is arranged on the rotary table (5), and the rear part of the cantilever (6) is hinged on the ear seat (502).
3. The boom tunnel boring machine for breaking rock with a suspension blade according to claim 1, wherein: the front part of the cantilever (6) is provided with a rotating shaft, a rotating motor for driving the rotating shaft to rotate is arranged in the cantilever (6), and the cantilever (6) is connected with the cutterhead (7) through the rotating shaft.
4. A boom tunnel boring machine for carrying out a suspension cutter rock breaking as claimed in claim 3, wherein: the cutting edge at the upper part of the suspension cutter (8) extends out of the edge of the cutter head (7), and the lower part of the suspension cutter (8) is fixed on the cutter head (7) through a bolt.
5. A construction method of the cantilever heading machine carrying the cantilever cutter rock breaking as claimed in claim 1, comprising the steps of: s1: starting the traveling mechanism (4) to drive the main body mechanism (1) to reach a construction site, and fixing the main body mechanism (1) against the ground by the counterforce support frame (2) to fix a rock stratum cutting point;
S2: the driving oil cylinder in the main body mechanism (1) drives the rotary table (5) to rotate through gear transmission, the rotary table (5) drives the cantilever (6) to rotate, the pitching oil cylinder (503) drives the cantilever (6) to move up and down, and the position of the cutter disc (7) is adjusted, so that the cutting edge of the upper suspension cutter (8) on the edge of the cutter disc (7) reaches a cutting point;
S3: the driving oil cylinder in the main body mechanism (1) drives the rotary table (5) to rotate through gear transmission, the rotary table (5) drives the corresponding cantilever (6) and the cutterhead (7) to horizontally rotate at the same time, the pitching oil cylinder (503) drives the cantilever (6) to drive the cutterhead (7) to vertically move, and therefore all the cutterheads (7) can freely move in the same rock surface layer to obtain a larger rock breaking range;
S4: the main body mechanism (1) drives a rotating motor in the cantilever (6) to rotate, a rotating shaft connected with an output shaft of the rotating motor drives the cutterhead (7) to rotate, and the cutterhead (7) drives the suspension cutter (8) to rotate; the cutting edge of the suspension cutter (8) is obliquely cut into the rock under pressure, and the rock on the excavated surface is cracked and then falls down under the oblique cutting stress generated by rolling the cutting edge of the suspension cutter (8);
S5: the broken rock slag is conveyed to the rear part of the main body mechanism (1) through the slag discharging system (3), and after the rock surface layer is broken, the main body mechanism (1) is driven by the travelling mechanism (4) to continue to advance;
s6: and repeating the steps S1 to S5 until the rock breaking engineering is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810935394.8A CN108952743B (en) | 2018-08-16 | 2018-08-16 | Cantilever tunneling machine carrying suspension cutter for breaking rock and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810935394.8A CN108952743B (en) | 2018-08-16 | 2018-08-16 | Cantilever tunneling machine carrying suspension cutter for breaking rock and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108952743A CN108952743A (en) | 2018-12-07 |
| CN108952743B true CN108952743B (en) | 2024-08-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810935394.8A Active CN108952743B (en) | 2018-08-16 | 2018-08-16 | Cantilever tunneling machine carrying suspension cutter for breaking rock and construction method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN108952743B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111058856A (en) * | 2019-12-26 | 2020-04-24 | 中联重科股份有限公司 | Axial feeding tunneling device and tunneling machine |
| CN111997605B (en) * | 2020-08-11 | 2022-06-21 | 中国煤炭科工集团太原研究院有限公司 | Disk undercut cutting mechanism |
| CN111878107A (en) * | 2020-08-28 | 2020-11-03 | 江苏中机矿山设备有限公司 | Cantilever swing type hard rock roadway heading machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08284592A (en) * | 1995-04-10 | 1996-10-29 | Mitsui Miike Mach Co Ltd | Rock excavator |
| CN104018833A (en) * | 2014-05-08 | 2014-09-03 | 曲天智 | Heading machine with double cantilever-type vertical axis cutting sections |
| CN104314121A (en) * | 2014-10-11 | 2015-01-28 | 钟景尧 | Pore forming machine with symmetrical rotating wheels for geotechnical engineering |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200982195Y (en) * | 2006-12-06 | 2007-11-28 | 娄底博盛科技有限公司 | Small-sized cantilevered tunneller for coal roadway |
| WO2009100469A1 (en) * | 2008-02-15 | 2009-08-20 | Sandvik Mining And Construction G.M.B.H. | Heading work machine having drill head made of disk tools |
| CN203822317U (en) * | 2014-04-18 | 2014-09-10 | 三一重型装备有限公司 | Cutting device for stone drifting machine |
| CN106285709B (en) * | 2016-10-31 | 2017-10-10 | 中铁工程装备集团有限公司 | A kind of eccentric hobboing cutter translation cutterhead that section is cut for hard rock rectangle |
| CN207111100U (en) * | 2017-07-14 | 2018-03-16 | 徐州徐工基础工程机械有限公司 | A kind of hard rock tunnel construction equipment |
| CN107218054B (en) * | 2017-08-01 | 2023-06-30 | 贵阳市城市轨道交通有限公司 | Microwave rock breaking auxiliary device and composite cantilever tunneling machine |
-
2018
- 2018-08-16 CN CN201810935394.8A patent/CN108952743B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08284592A (en) * | 1995-04-10 | 1996-10-29 | Mitsui Miike Mach Co Ltd | Rock excavator |
| CN104018833A (en) * | 2014-05-08 | 2014-09-03 | 曲天智 | Heading machine with double cantilever-type vertical axis cutting sections |
| CN104314121A (en) * | 2014-10-11 | 2015-01-28 | 钟景尧 | Pore forming machine with symmetrical rotating wheels for geotechnical engineering |
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| CN108952743A (en) | 2018-12-07 |
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