CN108868809A - A kind of multi-arm type cantilever excavator and its construction method for carrying hobboing cutter broken rock - Google Patents
A kind of multi-arm type cantilever excavator and its construction method for carrying hobboing cutter broken rock Download PDFInfo
- Publication number
- CN108868809A CN108868809A CN201810935052.6A CN201810935052A CN108868809A CN 108868809 A CN108868809 A CN 108868809A CN 201810935052 A CN201810935052 A CN 201810935052A CN 108868809 A CN108868809 A CN 108868809A
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- Prior art keywords
- cantilever
- hobboing cutter
- rock
- main body
- cutterhead
- Prior art date
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- 239000011435 rock Substances 0.000 title claims abstract description 69
- 238000010276 construction Methods 0.000 title claims abstract description 11
- 238000009412 basement excavation Methods 0.000 claims description 9
- 238000010079 rubber tapping Methods 0.000 claims description 6
- 239000002893 slag Substances 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 5
- 238000010008 shearing Methods 0.000 claims description 4
- 230000001154 acute effect Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 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
- 239000004575 stone Substances 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
- 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)
Abstract
The invention discloses a kind of multi-arm type cantilever excavators and its construction method for carrying hobboing 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 is movably equipped with two revolving platforms main body mechanism front is symmetrical above and below, the hydraulic gyration oil cylinder of driving revolving platform rotation is equipped with inside main body mechanism, the front of two revolving platforms is equipped with pitching oil cylinder, at least one cantilever is hinged on revolving platform, cantilever front is equipped with shaft, and the inside of cantilever is equipped with the rotating electric machine of drive shaft rotation, 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 hobboing cutter.The present invention can make all cutterheads that can excavate simultaneously using installing more cantilevers additional on double back turntable, installing hobboing cutter additional on cutterhead, improve the formation hardness range for excavating efficiency and broken rock.
Description
Technical field
The present invention relates to development machine cantilever technical fields, particularly relate to a kind of multi-arm type cantilever driving for carrying hobboing cutter broken rock
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 hobboing cutter broken rock.
The technical scheme is that：A kind of multi-arm type cantilever excavator for carrying hobboing cutter broken rock, including main body mechanism, it is main
Body mechanism front is symmetrical above and below to be set there are two slewing equipment, is movably equipped at least one cantilever, the front of cantilever on slewing equipment
It is rotatablely connected with cutterhead, cutterhead is equipped with hobboing 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 flank of the hobboing cutter and the front end face angle of cutterhead are acute angle.
The middle part of the cutterhead is equipped with center cutter groove, and the cutterhead of center cutter groove two sides is equipped at least one hobboing cutter.
The middle part of the cutterhead is equipped with center cutter groove, and the cutterhead of center cutter groove two sides is equipped at least one hob groove, rolling
Hobboing cutter is fixed in cutter groove.
The construction method of the multi-arm type cantilever excavator for carrying hobboing cutter broken rock, 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, cuts to rock stratum
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 central cutter and hobboing cutter on cutterhead
Arrive at the cut point of rock layer surface；
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 central cutter and hobboing cutter to be rotated；The sawtooth of hobboing cutter is under pressure oblique incision rock, center cutter
Front incision rock, excavation face rock generate shearing crack under the rolling of hobboing cutter and central cutter after the cutter head of tool is under pressure
And avalanche；
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 make all knives by the way of installing more cantilevers on double back turntable additional and installing hobboing cutter additional on cutterhead
Disk can excavate simultaneously, expand while broken rock working range, improve excavation efficiency, be suitable for excavating short distance tunnel；Revolution
Platform driving cantilever swings in the horizontal plane, and pitching oil cylinder driving cantilever moves up and down on vertical plane, makes cutterhead can
Broken rock work is carried out in face any point, can be used for excavating section；Cutterhead uses hobboing cutter broken rock when excavation, 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 hobboing cutter arrangement schematic diagram of the invention；
Fig. 5 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, hobboing cutter, 801, hob groove, 9, central cutter, 901, in
Heart cutter groove.
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's all its obtained under that premise of not paying creative labor
His embodiment, shall fall within the protection scope of the present invention.
As illustrated in fig. 1 and 2, embodiment 1：A kind of multi-arm type cantilever excavator for carrying hobboing cutter broken rock, including main body mechanism
1,1 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, slags tap
System 3 extends 1 rear portion of main body mechanism, and 1 front of main body mechanism is symmetrical above and below to be movably equipped with two revolving platforms 5, in main body mechanism 1
Portion is equipped with the hydraulic gyration oil cylinder that driving revolving platform 5 rotates, and the front of revolving platform 5 is equipped with pitching oil cylinder 503, cuts with scissors on revolving platform 5
It is connected to cantilever 6,6 front of cantilever is equipped with shaft, and the inside of cantilever 6 is equipped with the rotating electric machine of drive shaft rotation, and cantilever 6 is by turning
Axis and cutterhead 7 are rotatablely connected, and cantilever 6 and pitching oil cylinder 503 are hinged, and hobboing cutter 8 as shown in Figure 3 is equipped on cutterhead 7.
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 the center on cutterhead 7
Cutter 9 and hobboing cutter 8 arrive at the cut point of rock layer surface；
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, and pitching oil cylinder 503 drives cantilever 6 and then with movable knife disc 7
Vertical motion is carried out, all cutterheads 7 are arbitrarily moved in same mantle of rock and are obtained bigger broken rock model
It encloses；
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 central cutter 9 and hobboing cutter 8 to be rotated；The sawtooth of hobboing cutter 8 is under pressure oblique incision rock
Stone, incision rock in front after the cutter head of central cutter 9 is under pressure, excavation face rock is under the rolling of hobboing cutter 8 and central cutter 9
Generate shearing crack and avalanche；
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 Figure 5, and walking mechanism 4 drives main body mechanism 1 to move on；
S6：S1 ~ S5 is repeated, until broken rock engineering terminates.
Embodiment 2：A kind of multi-arm type cantilever excavator for carrying hobboing cutter broken rock, passes through axis between described two revolving platforms 5
Connection is held, hinged there are two cantilever 6 on each revolving platform 5 as shown in Figure 2, each cantilever 6 is cut with scissors with two pitching oil cylinders 503
It connects.Steadily uniformly move up and down, rotate convenient for cantilever 6, increase cantilever 6 can bearing capacity, and when to face broken rock
Progress can be uniformly coordinated.Other structures, usage mode are same as Example 1.
Embodiment 3：A kind of multi-arm type cantilever excavator for carrying hobboing cutter broken rock, it is horizontal at the middle part of cutterhead 7 as shown in Figure 4
To center cutter groove 901 is equipped with, central cutter 9 there are six setting, 901 two sides of center cutter groove are bolted in center cutter groove 901
Cutterhead 7 on set there are four hobboing cutter 8, hobboing cutter 8, which is bolted, to be located on cutterhead 7；The flank and cutterhead 7 of each hobboing cutter 8
Front end face angle be acute angle.When work, central cutter 9 and hobboing cutter 8 on cutterhead 7 contact rock surface, main body machine simultaneously
Structure 1 drives the rotating electric machine rotation in cantilever 6, is rotated with the shaft band movable knife disc 7 of the output axis connection of rotating electric machine, knife
Disk 7 drives central cutter and hobboing cutter 8 to be rotated, and the cutter head of central cutter 9 is under pressure front incision rock, angularly disposed
The sawtooth of hobboing cutter 8 is under pressure oblique incision excavation face rock, and excavation face rock produces under the rolling of hobboing cutter 8 and central cutter 9
Raw shearing crack and avalanche；Other structures, usage mode are same as Example 1.
Embodiment 4：It is a kind of carry hobboing cutter broken rock multi-arm type cantilever excavator, in order to cut along when protect hobboing cutter 8, such as
It is respectively provided with four hob grooves 801 on the cutterhead 7 of 901 two sides of center cutter groove shown in Fig. 3 and 4, passes through in each hob groove 801
Bolt is fixed with a hobboing cutter 8.Other structures, working principle are same as Example 3.
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 (9)
1. a kind of multi-arm type cantilever excavator for carrying hobboing cutter broken rock, including main body mechanism（1）, it is characterised in that：Main body mechanism
（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）Before
Portion and cutterhead（7）Rotation connection, cutterhead（7）It is equipped with hobboing cutter（8）.
2. carrying the multi-arm type cantilever excavator of hobboing cutter broken rock as described in claim 1, 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 system out
System（3）Extend main body mechanism（1）Rear portion.
3. carrying the multi-arm type cantilever excavator of hobboing cutter broken rock as claimed in claim 1 or 2, it is characterised in that：Slewing equipment
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 revolving 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. carrying the multi-arm type cantilever excavator of hobboing cutter broken rock as claimed in claim 3, it is characterised in that：Revolving platform（5）On
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 1 or 3 for carrying hobboing 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. carrying the multi-arm type cantilever excavator of hobboing cutter broken rock as claimed in claim 5, it is characterised in that：Hobboing cutter（8）After
Knife face and cutterhead（7）Front end face angle be acute angle.
7. carrying the multi-arm type cantilever excavator of hobboing cutter broken rock as claimed in claim 6, it is characterised in that：Cutterhead（7）Middle part set
There is center cutter groove（901）, center cutter groove（901）The cutterhead of two sides（7）It is equipped at least one hobboing cutter（8）.
8. carrying the multi-arm type cantilever excavator of hobboing cutter broken rock as claimed in claim 6, it is characterised in that：Cutterhead（7）Middle part set
There is center cutter groove（901）, center cutter groove（901）The cutterhead of two sides（7）It is equipped at least one hob groove（801）, hob groove
（801）Inside it is fixed with hobboing cutter（8）.
9. a kind of construction method of the multi-arm type cantilever excavator as described in claim 1 for carrying hobboing cutter broken rock, feature exist
In including the following steps：S1：Start walking mechanism（4）Drive main body mechanism（1）Reach construction site, counter-force support frame（2）It supports
Residence faces main body mechanism（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）On central cutter（9）And hobboing cutter（8）Arrive at the cut point of rock layer surface；
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 can arbitrarily be moved in same mantle of rock
Obtained 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 central cutter（9）And hobboing cutter（8）It is rotated；Hobboing cutter（8）Sawtooth pressed
The oblique incision rock of power, central cutter（9）Cutter head be under pressure after front incision rock, excavation face rock is in hobboing cutter（8）With
Central cutter（9）Rolling under generate shearing crack and 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 |
|---|---|---|---|
| CN201810935052.6A CN108868809A (en) | 2018-08-16 | 2018-08-16 | A kind of multi-arm type cantilever excavator and its construction method for carrying hobboing cutter broken rock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810935052.6A CN108868809A (en) | 2018-08-16 | 2018-08-16 | A kind of multi-arm type cantilever excavator and its construction method for carrying hobboing cutter broken rock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108868809A true CN108868809A (en) | 2018-11-23 |
Family
ID=64318270
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810935052.6A Pending CN108868809A (en) | 2018-08-16 | 2018-08-16 | A kind of multi-arm type cantilever excavator and its construction method for carrying hobboing cutter broken rock |
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| CN (1) | CN108868809A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110056363A (en) * | 2019-04-19 | 2019-07-26 | 中国矿业大学 | A kind of solid rock lane rock tunnel(ling) machine of hobboing cutter active rotation |
| CN110905542A (en) * | 2019-12-30 | 2020-03-24 | 中铁工程装备集团有限公司 | TBM cutter head suitable for flexible arm heading machine and excavation method thereof |
| CN111236959A (en) * | 2020-03-20 | 2020-06-05 | 中铁工程装备集团有限公司 | Chain saw mesh cutting tunneling machine and construction 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 |
| CN112855205A (en) * | 2021-03-12 | 2021-05-28 | 江西省交通科学研究院有限公司 | Equipment and method suitable for rock breaking and excavation of rock tunnel |
| CN115162446A (en) * | 2022-07-29 | 2022-10-11 | 广州筑金基础工程机械技术有限责任公司 | Hobbing cutter and gear wheel composite cutter head for groove milling machine |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110056363A (en) * | 2019-04-19 | 2019-07-26 | 中国矿业大学 | A kind of solid rock lane rock tunnel(ling) machine of hobboing cutter active rotation |
| CN110056363B (en) * | 2019-04-19 | 2020-06-02 | 中国矿业大学 | Hard rock tunnel boring machine with actively rotating hob |
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| CN110905542A (en) * | 2019-12-30 | 2020-03-24 | 中铁工程装备集团有限公司 | TBM cutter head suitable for flexible arm heading machine and excavation method thereof |
| CN111236959A (en) * | 2020-03-20 | 2020-06-05 | 中铁工程装备集团有限公司 | Chain saw mesh cutting tunneling machine and construction method thereof |
| CN111236959B (en) * | 2020-03-20 | 2021-08-13 | 中铁工程装备集团有限公司 | Chain saw mesh cutting tunneling machine and construction 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 |
| CN112855205A (en) * | 2021-03-12 | 2021-05-28 | 江西省交通科学研究院有限公司 | Equipment and method suitable for rock breaking and excavation of rock tunnel |
| CN112855205B (en) * | 2021-03-12 | 2023-01-31 | 江西省交通科学研究院有限公司 | Equipment and method suitable for rock breaking and excavation of rock tunnel |
| CN115162446A (en) * | 2022-07-29 | 2022-10-11 | 广州筑金基础工程机械技术有限责任公司 | Hobbing cutter and gear wheel composite cutter head for groove milling machine |
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