CN105840206B - A kind of tool bit holder for tunnel excavation machine - Google Patents
A kind of tool bit holder for tunnel excavation machine Download PDFInfo
- Publication number
- CN105840206B CN105840206B CN201610400541.2A CN201610400541A CN105840206B CN 105840206 B CN105840206 B CN 105840206B CN 201610400541 A CN201610400541 A CN 201610400541A CN 105840206 B CN105840206 B CN 105840206B
- Authority
- CN
- China
- Prior art keywords
- tool bit
- bit holder
- hinged
- scraper plate
- oil cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000009412 basement excavation Methods 0.000 title claims abstract description 25
- 230000001105 regulatory effect Effects 0.000 claims abstract description 17
- 238000003801 milling Methods 0.000 claims abstract description 5
- 238000007790 scraping Methods 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 7
- 239000002689 soil Substances 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 20
- 230000005641 tunneling Effects 0.000 description 5
- 238000005422 blasting Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005553 drilling Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000005526 G1 to G0 transition Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- -1 expansion stratum Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000010437 gem Substances 0.000 description 1
- 229910001751 gemstone Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004575 stone 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
- E21D9/12—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 present invention relates to a kind of tool bit holders for tunnel excavation machine, tool bit holder (1) including connecting regulating device (3), regulating device (3) is rotatablely connected a rotating arm (4), cutter head driving device (5) are connected on rotating arm (4), cutter head driving device (5) is drivingly connected milling head (6)；Tool bit holder (1) hingedly fixes main scraper plate (8) by the first hinged seat (7), hinged first oil cylinder (10) on the downside of tool bit holder (1), the piston rod of first oil cylinder (10) is hingedly fixed main scraper plate (8), and the first oil cylinder (10) drives main scraper plate (8) to rotate in perpendicular around the first hinged seat (7).Advantages of the present invention: present apparatus excavated area is big, high-efficient, and convenient for the excavation of platform, the soil excavated can be focused on, and cleaning is convenient, quickly, time saving and energy saving, realize the Fully-mechanized operation of bored tunnel construction, operating speed is fast, applied widely, is suitble to promote and apply.
Description
Technical field
The present invention relates to a kind of tunnel excavations to dig device, in particular to a kind of tool bit holder for tunnel excavation machine.
Background technique
Tunnel is to be built in underground, under water or in massif, places an iron railway or builds highway for motor vehicles passage
Building.Mountain tunnel, submerged tunnel and city tunnel three categories can be divided into according to its position.To shorten distance and avoiding
Steep gradient and passed through under the mountain ridge or hills be known as mountain tunnel；For river crossing or straits under river or seabed passes through
Referred to as submerged tunnel；It needs to be known as city tunnel what Urban Underground passed through to adapt to railway by metropolitan.
The excavation method in tunnel is divided into cut and cover method and subsurface excavation method, and cut and cover method is chiefly used in shallow tunnel or city railway tunnel,
And mountain ridge railway tunnel is mostly used subsurface excavation method.Excavated section size, position point are pressed, there is partial excavation method and full face tunneling method.?
It is the most extensive using drilling and blasting method in stone homogenous rock stratum, it is directly excavated using development machine and is also gradually promoted.Shield is used in soft geology
Structure method is excavated more.
Drilling and blasting method is the jewel hole on tunnel scar, and loads explosive blasting, with full face tunneling or partial excavation etc. by tunnel
Excavate molding construction method in road.Full face tunneling method and partial excavation method are that drilling and blasting method excavates common method, but tunnel is applied
Work is very complicated, when be commonly encountered all difficulties situation, such as major fault, drift sand, expansion stratum, solution cavity, a large amount of water bursts, it is still necessary to take
Corresponding measure.
Shield method is using method for tunnel construction of the shield as construction equipment, and shield method is suitable for broken ground, construction
Safety, few to ground disturbance, control country rock periphery is accurate, seldom backbreaks.
Tunnel boring machine method is on entire tunnel cross-section, with the method for the gear construction continuously tunneled.
Due to tunnel structure complexity, especially need to carry out upper and lower two layers of layer digging when constructing platform, this is existing
Some shield machines are impossible, therefore platform, the digging efficiency of this mode can only be constructed by the way of artificial tunneling
It is very low, and the labor intensity and security risk of operating personnel is also added, construction period is extended, also in order to solve above-mentioned lack
Point, the applicant devise a tunnel excavation machine, and the application is the plane soil device applied to the tunnel excavation machine.
Summary of the invention
The purpose of the present invention is to solve tunneling equipment digging efficiency at this stage is low, it is inconvenient that platform excavates, and excavates
Soil out is cleared up the disadvantages of difficult, and a kind of tool bit holder for tunnel excavation machine proposed.
To achieve the goals above, present invention employs following technical solutions:
A kind of tool bit holder for tunnel excavation machine, it is characterised in that: including tool bit holder, one is at least connected in tool bit holder
A regulating device, each regulating device pass through corresponding traverse gear and are connected in tool bit holder, and each regulating device is equal
It is rotatablely connected a rotating arm, a cutter head driving device is at least connected on each rotating arm, each cutter head driving device is equal
It is drivingly connected a milling head；
Main scraper plate is hingedly fixed by the first hinged seat in downside in front of tool bit holder, at least hinged one on the downside of tool bit holder
A first oil cylinder, the piston rod of the first oil cylinder hingedly fix main scraper plate, and the first oil cylinder drives main scraper plate around the first hinged seat perpendicular
Straight rotation in surface.
Based on the above technical solution, there can be technical solution further below:
The regulating device includes cabinet, first motor and the second motor is installed in cabinet, in the output of first motor
Drive case mobile first gear is installed, rotating arm described in the second motor driven rotates on cabinet on axis.
The traverse gear includes the rack gear being connected laterally in the tool bit holder, and first is equipped in regulating device
Motor connects the gear being meshed with rack gear on the output shaft of first motor.
It is equipped in front of the tool bit holder second hinged below two sides, the second of the every side of tool bit holder is hinged hinged solid
A fixed side scraper plate, hinged second oil cylinder in lower section in tool bit holder two sides, the hinged stationary phase of the piston rod of the second oil cylinder
The side scraper plate answered, the second oil cylinder driving side scraper plate rotate in the horizontal plane.
The side scraper plate includes right angle triangle, side folded plate is equipped in one of right-angle side of side scraper plate, in side folded plate
It is equipped with one group of side scraping teeth, second articulated slab hinged with described second is equipped in another right-angle side of side scraper plate, at angle three
The 5th hinged seat for connecting second oil cylinder is additionally provided on gusset.
The main scraper plate includes straight panel, is equipped with main folded plate, the other side equipped with hinged with the first hinged seat in the side of straight panel
The first articulated slab, one group of main scraping teeth is equipped on main folded plate, the 4th hinge of connection first oil cylinder is additionally provided in straight panel
Joint chair.
Third hinged seat is connected in the bottom of the tool bit holder, is equipped on the cylinder barrel of the first oil cylinder and is cut with scissors with third hinged seat
Connect fixed articulated shaft.
In the upside hinged support frame of the tool bit holder.
Support frame as described above includes a square box, one group of vertical and horizontal netted bar arranged in a crossed manner is equipped in frame, in netted bar
One group of backing plate of upper connection.
One group of headlamp is also connected on the tool bit holder.
The present invention has the advantages that present apparatus structure is simple, at low cost, highly-safe, excavated area is big, high-efficient, just
In the excavation of platform, the soil excavated can be focused on, and cleaning is convenient, quickly, time saving and energy saving, realized bored tunnel and applied
The Fully-mechanized operation of work, operating speed is fast, applied widely, is suitble to promote and apply.
Detailed description of the invention
Fig. 1 is basic structure schematic diagram of the invention；
Fig. 2 is main scraper plate and side scraper plate and tool bit holder connection schematic diagram；
Fig. 3 is main blade structure schematic diagram；
Fig. 4 is side scraper plate structural schematic diagram.
Specific embodiment
In order to which the present invention is more clearly understood, the present apparatus is described in detail below in conjunction with attached drawing, tool described herein
Body embodiment is only used to explain the present invention, is not intended to limit the present invention.
As shown in Figure 1, a kind of tool bit holder for tunnel excavation machine provided by the invention, including one is cuboid type ring
The tool bit holder 1 of shape plate is at least connected with a regulating device 3 in tool bit holder 1, and each regulating device 3 is by corresponding lateral
Transmission device 2 is connected in tool bit holder 1, and each regulating device 3 is rotatablely connected a rotating arm 4, each rotating arm 4 up to
A cutter head driving device 5 is connected less, and each cutter head driving device 5 is drivingly connected a milling head 6, cutter head driving device 5
It is the prior art with milling head 6.
The regulating device 3 includes cabinet, first motor and the second motor is installed in cabinet, in the output of first motor
Drive case mobile first gear is installed, rotating arm 4 described in the second motor driven rotates on cabinet on axis.
The traverse gear 2 includes the rack gear 18 being connected laterally in the tool bit holder 1, is set in regulating device 3
There is first motor, connects the gear being meshed with rack gear 18 on the output shaft of first motor.
As shown in connection with fig. 2, main scraper plate is hingedly fixed by two the first hinged seats 7 in the downside in 1 front of tool bit holder
8, the two sides of the seamed edge of 1 forward lower part of tool bit holder are arranged in two the first hinged seats 7.At least hinged one on the downside of tool bit holder 1
First oil cylinder 9, the piston rod of the first oil cylinder 9 hingedly fix main scraper plate 8, and the first oil cylinder 9 drives main scraper plate 8 around the first hinged seat 7
It rotates in perpendicular.Two three hinged seats 11 are also welded in the two sides of 1 rear lower portion of tool bit holder, in each three hinged seat 11
On hinged first oil cylinder 9, the articulated shaft hingedly fixed with third hinged seat 11 is equipped on the cylinder barrel of the first oil cylinder 9
13, the piston rod of the first oil cylinder 9 hingedly fixes main scraper plate 8, and main scraper plate 8 is around the first hinged seat 7 perpendicular under the driving of the first oil cylinder 9
Straight rotation in surface.
As shown in connection with fig. 3, the main scraper plate 8 includes straight panel 8a, is set in the side of straight panel 8a equipped with main folded plate 8b, the other side
Have and is also set on straight panel 8a with the first hinged articulated slab 7a of the first hinged seat 7 equipped with one group of main scraping teeth 10 on main folded plate 8b
There is the 4th hinged seat 12 for connecting first oil cylinder 9.
Second hinged 16 is equipped with below the 1 front two sides of tool bit holder, the second hinged 16 of the every side of tool bit holder 1 is
A side scraper plate 14 hingedly is fixed, passes through hinged one second oil of the 6th hinged seat 19 in the lower section of 1 two sides of tool bit holder
Cylinder 17, the piston rod of the second oil cylinder 17 hingedly fix corresponding side scraper plate 14, and the second oil cylinder 17 drives side scraper plate 14 in horizontal plane
Interior rotation.6th hinged seat 19 includes the fixed plate being welded on tool bit holder 1, sets in fixed plate and stands there are two disposed in parallel
Plate is equipped with the through-hole of coaxial line on two vertical plates.
As shown in connection with fig. 4, the side scraper plate 14 includes right angle triangle 14a, in one of right-angle side of side scraper plate 14
Equipped with side folded plate 14b, it is equipped with one group of side scraping teeth 15 on the folded plate 14b of side, is equipped with and institute in another right-angle side of side scraper plate 14
Second hinged 16 the second hinged articulated slab 16a is stated, the of connection second oil cylinder 17 is additionally provided on right angle triangle 14a
Five hinged seats 18.
In the upside hinged support frame 19 of the tool bit holder 1.Support frame as described above 19 includes a square box, is equipped in frame
One group of vertical and horizontal netted bar 20 arranged in a crossed manner, connects one group of backing plate 21 on netted bar 20.One group of photograph is also connected on tool bit holder 1
Bright lamp 22.
Claims (7)
1. one kind is used for tunnel excavation machine tool bit holder, it is characterised in that: including tool bit holder (1), be at least connected in tool bit holder (1)
One regulating device (3), each regulating device (3) are connected in tool bit holder (1) by corresponding traverse gear (2),
Each regulating device (3) is rotatablely connected a rotating arm (4), and a cutter head driving is at least connected on each rotating arm (4)
Device (5), each cutter head driving device (5) are drivingly connected a milling head (6)；
Main scraper plate (8) are hingedly fixed by the first hinged seat (7) in downside in front of tool bit holder (1), on the downside of tool bit holder (1) extremely
Few hinged first oil cylinder (9), the piston rod of the first oil cylinder (9) are hingedly fixed main scraper plate (8), the first oil cylinder (9) driving master
Scraper plate (8) rotates in perpendicular around the first hinged seat (7)；
The regulating device (3) includes cabinet, first motor and the second motor is installed in cabinet, in the output shaft of first motor
Upper to install the mobile first gear of drive case, rotating arm (4) described in the second motor driven rotates on cabinet；
The traverse gear (2) includes the rack gear (18) being connected laterally in the tool bit holder (1), in regulating device (3)
It is interior to be equipped with first motor, the gear being meshed with rack gear (18) is connected on the output shaft of first motor；
Second hinged (16) are equipped with below the two sides of the tool bit holder (1) front, the second of tool bit holder (1) every side is hinged
(16) side scraper plate (14) is hingedly fixed, hinged second oil cylinder (17) in lower section in tool bit holder (1) two sides, second
The piston rod of oil cylinder (17) is hingedly fixed corresponding side scraper plate (14), and the second oil cylinder (17) drives side scraper plate (14) in the horizontal plane
Rotation.
2. according to claim 1 a kind of for tunnel excavation machine tool bit holder, it is characterised in that: side scraper plate (14) packet
Right angle triangle (14a) is included, side folded plate (14b) is equipped in one of right-angle side of side scraper plate (14), on side folded plate (14b)
Equipped with one group of side scraping teeth (15), second hinged with described second hinged (16) is equipped in another right-angle side of side scraper plate (14)
Articulated slab (16a) is additionally provided with the 5th hinged seat (18) for connecting second oil cylinder (17) on right angle triangle (14a).
3. according to claim 1 a kind of for tunnel excavation machine tool bit holder, it is characterised in that: main scraper plate (8) packet
Straight panel (8a) is included, is equipped with main folded plate (8b), the other side equipped with hinged with the first hinged seat (7) first in the side of straight panel (8a)
Articulated slab (7a) is equipped with one group of main scraping teeth (10) on main folded plate (8b), and connection first oil is additionally provided on straight panel (8a)
4th hinged seat (12) of cylinder (9).
4. according to claim 1 a kind of for tunnel excavation machine tool bit holder, it is characterised in that: in the tool bit holder (1)
Bottom connect third hinged seat (11), be equipped on the cylinder barrel of the first oil cylinder (9) hingedly fixed with third hinged seat (11)
Articulated shaft (13).
5. according to claim 1 a kind of for tunnel excavation machine tool bit holder, it is characterised in that: in the tool bit holder (1)
Upside hinged support frame (19).
6. according to claim 5 a kind of for tunnel excavation machine tool bit holder, it is characterised in that: support frame as described above (19) packet
A square box is included, one group of vertical and horizontal netted bar (20) arranged in a crossed manner is equipped in frame, one group of pad is connected on netted bar (20)
Plate (21).
7. according to claim 1 a kind of for tunnel excavation machine tool bit holder, it is characterised in that: in the tool bit holder (1)
On be also connected with one group of headlamp (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610400541.2A CN105840206B (en) | 2016-06-08 | 2016-06-08 | A kind of tool bit holder for tunnel excavation machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610400541.2A CN105840206B (en) | 2016-06-08 | 2016-06-08 | A kind of tool bit holder for tunnel excavation machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105840206A CN105840206A (en) | 2016-08-10 |
| CN105840206B true CN105840206B (en) | 2019-02-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610400541.2A Active CN105840206B (en) | 2016-06-08 | 2016-06-08 | A kind of tool bit holder for tunnel excavation machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105840206B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108016826A (en) * | 2017-12-26 | 2018-05-11 | 徐州徐工铁路装备有限公司 | A kind of tunneling trolley conveying slag-tapping system |
| CN111396064B (en) * | 2020-06-04 | 2020-08-25 | 数源汇通（北京）医药科技有限公司 | Soil digging device for tunnel underground excavation machine |
| CN112196568A (en) * | 2020-09-27 | 2021-01-08 | 周曦航 | Cutting head for tunnel excavation |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000064784A (en) * | 1998-08-19 | 2000-02-29 | Komatsu Ltd | Tunnel boring machine |
| CN101598002A (en) * | 2009-06-22 | 2009-12-09 | 张红彬 | A kind of gantry type rig |
| CN202527389U (en) * | 2012-04-09 | 2012-11-14 | 永春县佳华莹石精选有限公司 | Novel scraping plate applied to ore conveying |
| CN102979533A (en) * | 2012-11-19 | 2013-03-20 | 安徽理工大学 | Underground roadway dinting device |
| CN103069941A (en) * | 2013-02-26 | 2013-05-01 | 上海跃进现代农业有限公司 | Paddy field leveller |
| CN103119245A (en) * | 2010-08-03 | 2013-05-22 | 乔伊·姆·特拉华公司 | Underground boring machine |
| CN103171057A (en) * | 2013-04-03 | 2013-06-26 | 雷德康 | Horizontal mountain excavating and stone sawing machine |
| CN104594910A (en) * | 2015-01-22 | 2015-05-06 | 中交一公局第一工程有限公司 | Hydraulic rock-soil milling and excavating equipment and method for tunnel in soft and weak surrounding rock |
| CN204436399U (en) * | 2015-01-22 | 2015-07-01 | 中交一公局第一工程有限公司 | The milling of a kind of Support System in Soft Rock Tunnels hydraulic pressure ground digs standby |
| CN206000542U (en) * | 2016-06-08 | 2017-03-08 | 安徽兴宇轨道装备有限公司 | A kind of tool bit holder for tunnel excavation machine |
-
2016
- 2016-06-08 CN CN201610400541.2A patent/CN105840206B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000064784A (en) * | 1998-08-19 | 2000-02-29 | Komatsu Ltd | Tunnel boring machine |
| CN101598002A (en) * | 2009-06-22 | 2009-12-09 | 张红彬 | A kind of gantry type rig |
| CN103119245A (en) * | 2010-08-03 | 2013-05-22 | 乔伊·姆·特拉华公司 | Underground boring machine |
| CN202527389U (en) * | 2012-04-09 | 2012-11-14 | 永春县佳华莹石精选有限公司 | Novel scraping plate applied to ore conveying |
| CN102979533A (en) * | 2012-11-19 | 2013-03-20 | 安徽理工大学 | Underground roadway dinting device |
| CN103069941A (en) * | 2013-02-26 | 2013-05-01 | 上海跃进现代农业有限公司 | Paddy field leveller |
| CN103171057A (en) * | 2013-04-03 | 2013-06-26 | 雷德康 | Horizontal mountain excavating and stone sawing machine |
| CN104594910A (en) * | 2015-01-22 | 2015-05-06 | 中交一公局第一工程有限公司 | Hydraulic rock-soil milling and excavating equipment and method for tunnel in soft and weak surrounding rock |
| CN204436399U (en) * | 2015-01-22 | 2015-07-01 | 中交一公局第一工程有限公司 | The milling of a kind of Support System in Soft Rock Tunnels hydraulic pressure ground digs standby |
| CN206000542U (en) * | 2016-06-08 | 2017-03-08 | 安徽兴宇轨道装备有限公司 | A kind of tool bit holder for tunnel excavation machine |
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| Publication number | Publication date |
|---|---|
| CN105840206A (en) | 2016-08-10 |
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