CN108868811A - A kind of multi-arm type cantilever excavator and its construction method for carrying outstanding cutter broken rock - Google Patents
A kind of multi-arm type cantilever excavator and its construction method for carrying outstanding cutter broken rock Download PDFInfo
- Publication number
- CN108868811A CN108868811A CN201810936793.6A CN201810936793A CN108868811A CN 108868811 A CN108868811 A CN 108868811A CN 201810936793 A CN201810936793 A CN 201810936793A CN 108868811 A CN108868811 A CN 108868811A
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- cantilever
- main body
- rock
- cutterhead
- body mechanism
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- 239000011435 rock Substances 0.000 title claims abstract description 60
- 238000010276 construction Methods 0.000 title claims abstract description 11
- 238000009412 basement excavation Methods 0.000 claims abstract description 9
- 238000010079 rubber tapping Methods 0.000 claims description 7
- 239000002893 slag Substances 0.000 claims description 5
- 238000010008 shearing Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000005641 tunneling Effects 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
-
- 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
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- 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)
Abstract
The invention discloses a kind of multi-arm type cantilever excavators and its construction method for carrying outstanding cutter broken rock, when solving the problems, such as that existing development machine is difficult to excavate to short distance, hard rock, special-shaped tunnel.The present invention includes main body mechanism, main structure lower part is equipped with counter-force supporting mechanism, deslagging device and walking mechanism, main structure front is symmetrical above and below to set that there are two revolving platforms, the front of two revolving platforms is equipped with pitching oil cylinder, at least one cantilever is hinged on revolving platform, the inside of cantilever is equipped with shaft, and cantilever passes through shaft and connect with cutterhead, the middle part of cantilever and pitching oil cylinder are hinged, and cutterhead is equipped with outstanding cutter.The present invention can make all cutterheads that can excavate simultaneously, expand broken rock working range simultaneously, improve excavation efficiency, be suitable for excavation short distance tunnel, section and hard rock tunnel using installing more cantilevers on double back turntable additional and installing outstanding cutter additional on cutterhead.
Description
Technical field
The present invention relates to development machine cantilever technical fields, particularly relate to a kind of multi-arm type cantilever pick for carrying outstanding cutter broken rock
Into machine and its construction method.
Background technique
Cantilever excavator used is chiefly used in the lower total rock tunnel of hardness and half coal road road in constructing tunnel at present, for hard
Rock tunnel using less.Existing cantilever excavator is single cantilever, and cantilever excavates structure and is adjacent to face when tunneling construction,
Cantilever or so is swung up and down, and rock is sequentially cut from side to the other side, under excavation efficiency is relatively low.So needing one kind can
For short distance, the cantilever excavator of hard rock, special-shaped tunnel excavation.
Summary of the invention
When being difficult to excavate to short distance, hard rock, special-shaped tunnel to solve the existing development machine in the presence of background technique
The problem of, the invention proposes a kind of multi-arm type cantilever excavators and its construction method for carrying outstanding cutter broken rock.
The technical scheme is that：A kind of multi-arm type cantilever excavator for carrying outstanding cutter broken rock, including main body mechanism,
Main body mechanism front is symmetrical above and below to be set there are two slewing equipment, is movably equipped at least one cantilever on slewing equipment, before cantilever
Portion and cutterhead are rotatablely connected, and cutterhead is equipped with outstanding cutter.
The main body mechanism lower part is equipped with counter-force supporting mechanism and walking mechanism, is equipped with slag system inside main body mechanism
System, slag-tapping system extend main body mechanism rear portion.
The slewing equipment includes revolving platform, and revolving platform is actively installed on main body mechanism front, is equipped with and drives inside main body mechanism
The hydraulic gyration oil cylinder of dynamic revolving platform rotation, the front of revolving platform are equipped with pitching oil cylinder, and cantilever is hinged on revolving platform.
The revolving platform is equipped with ear mount, and the rear portion of cantilever is hinged in ear mount.
The cantilever front is equipped with shaft, and the inside of cantilever is equipped with the rotating electric machine of drive shaft rotation, and cantilever is by turning
Axis and cutterhead are rotatablely connected.
The blade on the outstanding cutter top extends outside the edge of cutterhead, and the lower part of outstanding cutter is bolted on knife
On disk.
The construction method of the multi-arm type cantilever excavator of the outstanding cutter broken rock of the carrying, includes the following steps：S1：Starting
Walking mechanism drives main body mechanism to reach construction site, and counter-force support frame is fixed with resisting in face of main body mechanism, to rock stratum
Cut point is pinpointed；
S2：Drive cylinder in main body mechanism drives revolving platform to be rotated by gear drive, and revolving platform drives
Cantilever is rotated, and pitching oil cylinder drives cantilever to move up and down, and is adjusted the position of cutterhead, is made the upper outstanding cutter on cutterhead edge
Blade arrives at cut point；
S3：Drive cylinder in main body mechanism drives revolving platform to be rotated by gear drive, each revolving platform
It drives corresponding cantilever and cutterhead while horizontally rotating, pitching oil cylinder driving cantilever is vertically transported with movable knife disc in turn
It is dynamic, all cutterheads are arbitrarily moved in same mantle of rock and are obtained bigger broken rock range；
S4：Main body mechanism drives the rotating electric machine rotation in cantilever, the shaft band movable knife disc with the output axis connection of rotating electric machine
It is rotated, cutterhead drives outstanding cutter to be rotated；The blade of outstanding cutter is under pressure oblique incision rock, and excavation face rock exists
Crack and then avalanche are generated under the oblique shearing stress that the blade rolling of outstanding cutter generates；
S5：The rock disintegrating slag of avalanche is transported to main body mechanism rear portion by slag-tapping system, and when herein, mantle of rock broken rock is finished
Afterwards, walking mechanism driving main body mechanism moves on；
S6：S1 ~ S5 is repeated, until broken rock engineering terminates.
The present invention can be made all by the way of installing more cantilevers on double back turntable additional and installing outstanding cutter additional on cutterhead
Cutterhead can excavate simultaneously, expand while broken rock working range, improve excavation efficiency, be suitable for excavating short distance tunnel；It returns
Turntable driving cantilever swings in the horizontal plane, and pitching oil cylinder driving cantilever moves up and down on vertical plane, makes cutterhead
Broken rock work can be carried out in face any point, can be used for excavating section；The oblique incision of outstanding cutter when excavation, on cutterhead
Rock, and then rock is broken by hanging the oblique shearing stress that cutter applies, it is applicable to excavate hard rock tunnel.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is main view angle structural schematic diagram of the invention；
Fig. 2 is depression angle structural schematic diagram of the invention；
Fig. 3 is cutter head structure schematic diagram of the invention；
Fig. 4 is outstanding cutter arrangement schematic diagram of the invention；
Fig. 5 is outstanding cutter broken rock schematic diagram of the invention；
Fig. 6 is excavated section schematic diagram of the invention.
In figure, 1, main body mechanism, 2, counter-force supporting mechanism, 3, deslagging device, 4, walking mechanism, 5, revolving platform, 501, turn
Moving axis, 502, ear mount, 503, pitching oil cylinder, 6, cantilever, 7, cutterhead, 8, outstanding cutter.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under that premise of not paying creative labor
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, embodiment 1：A kind of multi-arm type cantilever excavator for carrying outstanding cutter broken rock, including main body mechanism 1,
1 top of main body mechanism is equipped with the operating room for personnel's operation.1 lower part of main body mechanism is equipped with counter-force supporting mechanism 2 and walking
Mechanism 4, is equipped with slag-tapping system 3 inside main body mechanism 1, and slag-tapping system 3 extends 1 rear portion of main body mechanism, on 1 front of main structure
Under be symmetrically arranged with two revolving platforms 5, the hydraulic gyration oil cylinder that driving revolving platform 5 rotates, two revolutions are equipped with inside main body mechanism 1
The front of platform 5 is equipped with pitching oil cylinder 503, and revolving platform 5 is equipped with ear mount 502, and the rear portion of cantilever 6 is hinged in ear mount 502, hangs
6 front of arm is equipped with shaft, and the inside of cantilever 6 is equipped with the rotating electric machine of drive shaft rotation, and cantilever 6 passes through shaft and cutterhead 7
Rotation connection, the middle part of cantilever 6 and pitching oil cylinder 503 are hinged.As shown in figure 3, cutterhead 7 is equipped with outstanding cutter 8.
Use step：S1：Starting walking mechanism 4 drives main body mechanism 1 to reach construction site, and counter-force support frame 2 resists ground
It is fixed in face of main body mechanism 1, rock stratum cut point is pinpointed；
S2：Drive cylinder in main body mechanism 1 drives revolving platform 5 to be rotated by gear drive, 5 band of revolving platform
Dynamic cantilever 6 is rotated, and pitching oil cylinder 503 drives cantilever 6 to move up and down, and is adjusted the position of cutterhead 7, is made on 7 edge of cutterhead
The blade of upper outstanding cutter 8 arrives at cut point；
S3：Drive cylinder in main body mechanism 1 drives revolving platform 5 to be rotated by gear drive, each revolution
Platform 5 drives corresponding cantilever 6 and cutterhead 7 while horizontally rotating, pitching oil cylinder 503 drive cantilever 6 so that with movable knife disc 7 into
Row vertical motion moves all cutterheads 7 arbitrarily in same mantle of rock and is obtained bigger broken rock range；
S4：Main body mechanism 1 drives the rotating electric machine rotation in cantilever 6, the shaft band moving knife with the output axis connection of rotating electric machine
Disk 7 is rotated, and cutterhead 7 drives outstanding cutter 8 to be rotated；The blade of outstanding cutter 8 is under pressure oblique incision rock, excavation face
Rock generates crack and then avalanche under the oblique shearing stress that the blade rolling of outstanding cutter 8 generates；
S5：The rock disintegrating slag of avalanche is transported to 1 rear portion of main body mechanism by slag-tapping system 3, and when herein, mantle of rock broken rock is complete
Bi Hou, forms excavated section as shown in FIG. 6, and walking mechanism 4 drives main body mechanism 1 to move on；
S6：S1 ~ S5 is repeated, until broken rock engineering terminates.
Embodiment 2：It is a kind of to carry the multi-arm type cantilever excavator for hanging cutter broken rock, pass through between described two revolving platforms 5
Bearing connection, as shown in Fig. 2, hinged there are two cantilever 6 on each revolving platform 5, each cantilever 6 with two pitching oil cylinders 503
Hingedly.Steadily uniformly move up and down, rotate convenient for cantilever 6, increase cantilever 6 can bearing capacity, and to face broken rock
When can be uniformly coordinated progress.Other structures, usage mode are same as Example 1.
Embodiment 3：A kind of multi-arm type cantilever excavator for carrying outstanding cutter broken rock, when to make outstanding 8 broken rock of cutter convenient for by
Power, as shown in figure 4, the blade on 8 top of outstanding cutter extends outside the edge of cutterhead 7, the lower part of outstanding cutter 8 passes through bolt
It is fixed on cutterhead 7.Other structures, usage mode are same as Example 1.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of multi-arm type cantilever excavator for carrying outstanding cutter broken rock, including main body mechanism（1）, it is characterised in that：Main body machine
Structure（1）Front is symmetrical above and below to be set there are two slewing equipment, is movably equipped at least one cantilever on slewing equipment（6）, cantilever（6）'s
Front and cutterhead（7）Rotation connection, cutterhead（7）It is equipped with outstanding cutter（8）.
2. the multi-arm type cantilever excavator as described in claim 1 for carrying outstanding cutter broken rock, it is characterised in that：Main body mechanism
（1）Lower part is equipped with counter-force supporting mechanism（2）And walking mechanism（4）, main body mechanism（1）Inside is equipped with slag-tapping system（3）, slag tap
System（3）Extend main body mechanism（1）Rear portion.
3. the multi-arm type cantilever excavator as claimed in claim 1 or 2 for carrying outstanding cutter broken rock, it is characterised in that：Revolution dress
It sets including revolving platform（5）, revolving platform（5）It is actively installed on main body mechanism（1）Front, main body mechanism（1）Inside is equipped with driving revolution
Platform（5）The hydraulic gyration oil cylinder of rotation, revolving platform（5）Front be equipped with pitching oil cylinder（503）, cantilever（6）It is hinged on revolving platform
（5）On.
4. the multi-arm type cantilever excavator as claimed in claim 3 for carrying outstanding cutter broken rock, it is characterised in that：Revolving platform（5）
It is equipped with ear mount（502）, cantilever（6）Rear portion be hinged on ear mount（502）On.
5. the multi-arm type cantilever excavator as claimed in claim 3 for carrying outstanding cutter broken rock, it is characterised in that：Cantilever（6）Before
Portion is equipped with shaft, cantilever（6）Inside be equipped with drive shaft rotation rotating electric machine, cantilever（6）Pass through shaft and cutterhead（7）Turn
Dynamic connection.
6. the multi-arm type cantilever excavator as claimed in claim 5 for carrying outstanding cutter broken rock, it is characterised in that：Outstanding cutter（8）
The blade on top extends cutterhead（7）Edge outside, hang cutter（8）Lower part be bolted on cutterhead（7）On.
7. a kind of construction method of the multi-arm type cantilever excavator as described in claim 1 for carrying outstanding cutter broken rock, feature
It is, includes the following steps：S1：Start walking mechanism（4）Drive main body mechanism（1）Reach construction site, counter-force support frame（2）
Face main body mechanism with resisting（1）It is fixed, rock stratum cut point is pinpointed；
S2：Main body mechanism（1）Interior drive cylinder drives revolving platform by gear drive（5）It is rotated, turns round
Platform（5）Drive cantilever（6）It is rotated, pitching oil cylinder（503）Drive cantilever（6）It moves up and down, adjusts cutterhead（7）Position,
Make cutterhead（7）Upper outstanding cutter on edge（8）Blade arrive at cut point；
S3：Main body mechanism（1）Interior drive cylinder drives revolving platform by gear drive（5）It is rotated, each
Revolving platform（5）Drive corresponding cantilever（6）And cutterhead（7）It horizontally rotates simultaneously, pitching oil cylinder（503）Drive cantilever（6）
And then with movable knife disc（7）Vertical motion is carried out, so that all cutterheads（7）It arbitrarily mobile in same mantle of rock can carry out
Obtain bigger broken rock range；
S4：Main body mechanism（1）Drive cantilever（6）Interior rotating electric machine rotation, the shaft band with the output axis connection of rotating electric machine
Movable knife disc（7）It is rotated, cutterhead（7）Drive outstanding cutter（8）It is rotated；Outstanding cutter（8）Blade be under pressure oblique cut
Enter rock, excavation face rock is in outstanding cutter（8）The oblique shearing stress that generates of blade rolling under generate crack and then avalanche；
S5：The rock disintegrating slag of avalanche passes through slag-tapping system（3）It is transported to main body mechanism（1）Rear portion, when herein, mantle of rock is broken
After rock, walking mechanism（4）Drive main body mechanism（1）It moves on；
S6：S1 ~ S5 is repeated, until broken rock engineering terminates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810936793.6A CN108868811A (en) | 2018-08-16 | 2018-08-16 | A kind of multi-arm type cantilever excavator and its construction method for carrying outstanding cutter broken rock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810936793.6A CN108868811A (en) | 2018-08-16 | 2018-08-16 | A kind of multi-arm type cantilever excavator and its construction method for carrying outstanding cutter broken rock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108868811A true CN108868811A (en) | 2018-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810936793.6A Pending CN108868811A (en) | 2018-08-16 | 2018-08-16 | A kind of multi-arm type cantilever excavator and its construction method for carrying outstanding cutter broken rock |
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| CN (1) | CN108868811A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112031805A (en) * | 2020-09-27 | 2020-12-04 | 中铁工程装备集团有限公司 | Cantilever excavator and excavation method thereof |
| CN112065418A (en) * | 2020-09-27 | 2020-12-11 | 中铁工程装备集团有限公司 | Control method for excavation path of cantilever excavator |
| CN112343610A (en) * | 2020-12-26 | 2021-02-09 | 中铁工程装备集团有限公司 | Pilot tunnel reaming overhang cutting TBM for inclined shaft and construction method |
| CN114033410A (en) * | 2021-11-05 | 2022-02-11 | 江苏中机矿山设备有限公司 | Dual-purpose heading machine for cutting and cutting hard rock |
| CN114427465A (en) * | 2021-12-28 | 2022-05-03 | 北方重工集团有限公司 | Coal mine rock roadway shoulder angle coal stripping device applied to TBM (tunnel boring machine) |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112031805A (en) * | 2020-09-27 | 2020-12-04 | 中铁工程装备集团有限公司 | Cantilever excavator and excavation method thereof |
| CN112065418A (en) * | 2020-09-27 | 2020-12-11 | 中铁工程装备集团有限公司 | Control method for excavation path of cantilever excavator |
| CN112065418B (en) * | 2020-09-27 | 2021-12-14 | 中铁工程装备集团有限公司 | Control method for excavation path of cantilever excavator |
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| CN112343610A (en) * | 2020-12-26 | 2021-02-09 | 中铁工程装备集团有限公司 | Pilot tunnel reaming overhang cutting TBM for inclined shaft and construction method |
| CN112343610B (en) * | 2020-12-26 | 2021-10-12 | 中铁工程装备集团有限公司 | Pilot tunnel reaming overhang cutting TBM for inclined shaft and construction method |
| CN114033410A (en) * | 2021-11-05 | 2022-02-11 | 江苏中机矿山设备有限公司 | Dual-purpose heading machine for cutting and cutting hard rock |
| CN114427465A (en) * | 2021-12-28 | 2022-05-03 | 北方重工集团有限公司 | Coal mine rock roadway shoulder angle coal stripping device applied to TBM (tunnel boring machine) |
| CN114427465B (en) * | 2021-12-28 | 2024-05-03 | 北方重工集团有限公司 | Coal mine rock roadway shoulder coal peeling device applied to TBM tunneling machine |
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