CN108825256A - A kind of multi-arm type cantilever excavator and its construction method - Google Patents
A kind of multi-arm type cantilever excavator and its construction method Download PDFInfo
- Publication number
- CN108825256A CN108825256A CN201810937088.8A CN201810937088A CN108825256A CN 108825256 A CN108825256 A CN 108825256A CN 201810937088 A CN201810937088 A CN 201810937088A CN 108825256 A CN108825256 A CN 108825256A
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- China
- Prior art keywords
- cantilever
- main body
- body mechanism
- cutting units
- drive
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- 238000010276 construction Methods 0.000 title claims abstract description 11
- 239000011435 rock Substances 0.000 claims abstract description 42
- 238000010079 rubber tapping Methods 0.000 claims abstract description 10
- 238000009412 basement excavation Methods 0.000 claims abstract description 6
- 239000002893 slag Substances 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 2
- 239000004575 stone Substances 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 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
- 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
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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 excavator and its construction methods, 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 equipped with counter-force supporting mechanism and walking mechanism in main body mechanism lower part, slag-tapping system is equipped with inside main body mechanism, slag-tapping system extends main body mechanism rear portion, main body mechanism front is symmetrical above and below to be movably equipped with two revolving platforms, 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, the inside of cantilever is equipped with the rotating electric machine of drive shaft rotation, and cantilever passes through shaft and connect with cutting units.The present invention is using multi-arm type cantilever and installs cutting units in each cantilever front, it can be achieved that multiple spot excavates simultaneously, improves the formation hardness range of excavation efficiency and broken rock.
Description
Technical field
The present invention relates to development machine cantilever technical field, a kind of multi-arm type cantilever excavator and its construction party are particularly related to
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 excavator and its construction methods.
The technical scheme is that：A kind of multi-arm type cantilever excavator, including main body mechanism, above and below main body mechanism front
Two slewing equipments are symmetrically arranged with, at least one cantilever is movably equipped on slewing equipment, cantilever front is movably equipped with cutting units.
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 cutting units are rotatablely connected.
The cutting units is equipped with spiral toothholder, is uniformly provided with several picks on spiral toothholder.
The construction method of the multi-arm type cantilever excavator, includes the following steps：S1：Start walking mechanism and drives main body
Mechanism reaches construction site, and counter-force support frame is fixed in face of main body mechanism, pinpoints to rock stratum cut point with resisting；
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 adjusts the position of cutting units, and cutting units is made to arrive 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 cutting units while horizontally rotating, pitching oil cylinder drives cantilever and then cutting units is driven to carry out vertically
Movement, moves all cutting units arbitrarily in same mantle of rock and is obtained bigger broken rock range；
S4：Main body mechanism drives the rotating electric machine rotation in cantilever, drives cutting with the shaft of the output axis connection of rotating electric machine
Portion is rotated, and shaft drives cutting units to be rotated, and the pick incision rock of cutting units carries out broken rock, and excavation face rock is being cut
Cut the lower generation crack of pick rolling in portion and then 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.
Cantilever excavator multi-arm type cantilever of the present invention and each cantilever front install cutting units additional, it can be achieved that multiple spot simultaneously
It excavates, improves excavation efficiency, be suitable for excavating short distance tunnel and hard rock tunnel；Revolving platform drives cantilever left in the horizontal plane
Right swing, pitching oil cylinder driving cantilever move up and down on vertical plane, can be used for excavating section.
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 cutting units structural schematic diagram of the invention；
Fig. 4 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, axis
It holds, 502, ear mount, 503, pitching oil cylinder, 6, cantilever, 7, shaft, 8, cutting units, 801, spiral toothholder, 802, pick.
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, including main body mechanism 1,1 top of main body mechanism are set
There is 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, main body mechanism 1
Inside is equipped with slag-tapping system 3, and slag-tapping 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 are equipped with the hydraulic gyration oil cylinder that driving revolving platform 5 rotates, the front of two revolving platforms 5 inside main body mechanism 1
It is equipped with pitching oil cylinder 503, revolving platform 5 is equipped with ear mount 502, and the rear portion of cantilever 6 is hinged in ear mount 502.6 front of cantilever is set
There is shaft 7, the inside of cantilever 6 is equipped with the rotating electric machine that drive shaft 7 rotates, and cantilever 6 is connect by shaft 7 with cutting units 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 adjusts the position of cutting units 8, arrives at cutting units 8
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 cutting units 8 while horizontally rotating, and pitching oil cylinder 503 drives cantilever 6 and then drives cutting
Portion 8 carries out vertical motion, and all cutting units 8 are arbitrarily moved in same mantle of rock and are obtained bigger break
Rock range；
S4：Main body mechanism 1 drives the rotating electric machine rotation in cantilever 6, drives and cuts with the shaft 7 of the output axis connection of rotating electric machine
It cuts portion 8 to be rotated, shaft 7 drives cutting units 8 to be rotated, and the pick 802 of cutting units 8 cuts rock and carries out broken rock, excavates
Face rock generates crack and then avalanche in the case where the pick 802 of cutting units 8 rolls；
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 4, 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, steadily uniformly moves up and down for the ease of cantilever 6, revolves
Turn, increase cantilever 6 can bearing capacity, progress can be uniformly coordinated when to face broken rock, as shown in Fig. 2, described two revolving platforms 5
Between connected by bearing, hinged there are two cantilever 6 on each revolving platform 5, each cantilever 6 is cut with scissors with two pitching oil cylinders 503
It connects.Other structures, usage mode are same as Example 1.
Embodiment 3：A kind of multi-arm type cantilever excavator, as shown in figure 3, the cutting units 8 is equipped with spiral toothholder 801, spiral shell
Several picks 802 are uniformly provided on rotation toothholder.When work, the pick 802 of 8 front of cutting units contacts rock surface first, main
Body mechanism 1 drives the rotating electric machine rotation in cantilever 6, is rotated with the shaft 7 of the output axis connection of rotating electric machine, shaft 7
Drive cutting units 8 to be rotated, the pick 802 of cutting units 8 cuts rock and carries out broken rock, other structures, usage mode with reality
It is identical to apply 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, including main body mechanism（1）, it is characterised in that：Main body mechanism（1）Front is symmetrical above and below
If being movably equipped at least one cantilever on slewing equipment there are two slewing equipment（6）, cantilever（6）Front is movably equipped with cutting units
（8）.
2. multi-arm type cantilever excavator 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-tapping system（3）Extend main body
Mechanism（1）Rear portion.
3. multi-arm type cantilever excavator as claimed in claim 1 or 2, it is characterised in that：Slewing equipment includes 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）Hydraulic time of rotation
Turn oil cylinder, revolving platform（5）Front be equipped with pitching oil cylinder（503）, cantilever（6）It is hinged on revolving platform（5）On.
4. multi-arm type cantilever excavator as claimed in claim 3, 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. multi-arm type cantilever excavator as claimed in claim 3, it is characterised in that：Cantilever（6）Front is equipped with shaft（7）, hang
Arm（6）Inside be equipped with drive shaft（7）The rotating electric machine of rotation, cantilever（6）Pass through shaft（7）With cutting units（8）Rotation connects
It connects.
6. multi-arm type cantilever excavator as claimed in claim 5, it is characterised in that：Cutting units（8）Equipped with spiral toothholder
（801）, spiral toothholder（801）On be uniformly provided with several picks（802）.
7. a kind of construction method of multi-arm type cantilever excavator as described in claim 1, which is characterized in that including following step
Suddenly：S1：Start walking mechanism（4）Drive main body mechanism（1）Reach construction site, counter-force support frame（2）Face main body with resisting
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 cutting units（8）Position
It sets, makes cutting units（8）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 cutting units（8）It horizontally rotates simultaneously, pitching oil cylinder（503）Drive cantilever
（6）And then drive cutting units（8）Vertical motion is carried out, so that all cutting units（8）It can be any in same mantle of rock
Movement is obtained bigger broken rock range；
S4：Main body mechanism（1）Drive cantilever（6）Interior rotating electric machine rotation, the shaft with the output axis connection of rotating electric machine（7）
Drive cutting units（8）It is rotated, shaft（7）Drive cutting units（8）It is rotated, cutting units（8）Pick（802）Cut rock
Stone carries out broken rock, and excavation face rock is in cutting units（8）Pick（802）Rolling is lower to 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 |
|---|---|---|---|
| CN201810937088.8A CN108825256B (en) | 2018-08-16 | 2018-08-16 | Multi-arm cantilever tunneling machine and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810937088.8A CN108825256B (en) | 2018-08-16 | 2018-08-16 | Multi-arm cantilever tunneling machine and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108825256A true CN108825256A (en) | 2018-11-16 |
| CN108825256B CN108825256B (en) | 2024-03-08 |
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ID=64151168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810937088.8A Active CN108825256B (en) | 2018-08-16 | 2018-08-16 | Multi-arm cantilever tunneling machine and construction method thereof |
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| Country | Link |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109667580A (en) * | 2019-02-23 | 2019-04-23 | 中铁工程装备集团隧道设备制造有限公司 | More cutting arm boring mechanisms and development machine |
| CN110173273A (en) * | 2019-05-27 | 2019-08-27 | 中铁工程装备集团隧道设备制造有限公司 | A kind of hard rock bilayer self-balancing is stretched cutting arm and cantilever excavator |
| CN110185465A (en) * | 2019-06-19 | 2019-08-30 | 中铁工程装备集团隧道设备制造有限公司 | Cutting units, tunneling equipment and driving method |
| CN111042827A (en) * | 2019-12-26 | 2020-04-21 | 中联重科股份有限公司 | Multi-arm heading machine |
| 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 |
| CN111075467A (en) * | 2019-12-26 | 2020-04-28 | 中联重科股份有限公司 | Tunnel construction method of heading machine |
| WO2021129433A1 (en) * | 2019-12-27 | 2021-07-01 | 太仓市明龙机械有限公司 | Shock absorption device for roadheader for coal mine |
| CN109667580B (en) * | 2019-02-23 | 2024-06-25 | 中铁工程装备集团隧道设备制造有限公司 | Multi-cutting-arm tunneling mechanism and tunneling machine |
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| CN204476409U (en) * | 2015-03-19 | 2015-07-15 | 闫立章 | Development machine combined type cut breaks rock and is split up device |
| CN208900105U (en) * | 2018-08-16 | 2019-05-24 | 中铁工程装备集团有限公司 | A kind of multi-arm type cantilever excavator |
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| CN104018833A (en) * | 2014-05-08 | 2014-09-03 | 曲天智 | Heading machine with double cantilever-type vertical axis cutting sections |
| CN204476409U (en) * | 2015-03-19 | 2015-07-15 | 闫立章 | Development machine combined type cut breaks rock and is split up device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109667580A (en) * | 2019-02-23 | 2019-04-23 | 中铁工程装备集团隧道设备制造有限公司 | More cutting arm boring mechanisms and development machine |
| CN109667580B (en) * | 2019-02-23 | 2024-06-25 | 中铁工程装备集团隧道设备制造有限公司 | Multi-cutting-arm tunneling mechanism and tunneling machine |
| CN110173273A (en) * | 2019-05-27 | 2019-08-27 | 中铁工程装备集团隧道设备制造有限公司 | A kind of hard rock bilayer self-balancing is stretched cutting arm and cantilever excavator |
| CN110185465A (en) * | 2019-06-19 | 2019-08-30 | 中铁工程装备集团隧道设备制造有限公司 | Cutting units, tunneling equipment and driving method |
| CN110185465B (en) * | 2019-06-19 | 2024-06-04 | 中铁工程装备集团隧道设备制造有限公司 | Cutting part, tunneling equipment and tunneling method |
| CN111042827A (en) * | 2019-12-26 | 2020-04-21 | 中联重科股份有限公司 | Multi-arm heading machine |
| 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 |
| CN111075467A (en) * | 2019-12-26 | 2020-04-28 | 中联重科股份有限公司 | Tunnel construction method of heading machine |
| WO2021129433A1 (en) * | 2019-12-27 | 2021-07-01 | 太仓市明龙机械有限公司 | Shock absorption device for roadheader for coal mine |
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| Publication number | Publication date |
|---|---|
| CN108825256B (en) | 2024-03-08 |
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