CN207863965U - A kind of reducing normal pressure tool changing cutterhead and the shield machine using the cutterhead - Google Patents
A kind of reducing normal pressure tool changing cutterhead and the shield machine using the cutterhead Download PDFInfo
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- CN207863965U CN207863965U CN201820175099.2U CN201820175099U CN207863965U CN 207863965 U CN207863965 U CN 207863965U CN 201820175099 U CN201820175099 U CN 201820175099U CN 207863965 U CN207863965 U CN 207863965U
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- cutterhead
- tool changing
- normal pressure
- girder
- reducing normal
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Abstract
The utility model proposes the shield machines of a kind of reducing normal pressure tool changing cutterhead and the use cutterhead, complicated geological operating mode can not only safely and reliably be adapted to, it can also be needed to adjust cutterhead digging diameter according to construction, the utilization rate of opposite side hobboing cutter is high, including cutterhead, girder and auxiliary girder, girder and auxiliary girder are arranged alternately on cutterhead, auxiliary girder front edge is provided with welding base, the lower part of welding base is provided with upper seal support, the lower part of upper seal support is provided with tool changing support tube, gate oil cylinder is provided on the outside of upper seal support, gate oil cylinder connects gate sheet, knife cylinder is provided in tool changing support tube, it is provided with tool apron at the top of knife cylinder inner wall, side hobboing cutter is provided in tool apron, the reducing normal pressure tool changing cutterhead of the utility model can realize that diameter is variable, it can be quick, it is convenient, safely realize that cutter diameter becomes larger and becomes smaller.
Description
Technical field
The utility model is related to rock tunnel(ling) machine technical field, a kind of reducing normal pressure tool changing cutterhead and use are particularly related to
The shield machine of the cutterhead.
Background technology
Currently, with the quickening of underground space development paces, river is worn, seabed tunnel is built more and more, such tunnel is worn
Stratum more is using high pressure water as outstanding feature, and certain stratum are more complex, as above soft lower hard, one section soft one section hard, closely knit glue
The bad grounds such as land pebble are tied, this requires cutter head of shield machine while having higher safety and adaptability.Certain tunnel sheets as
Curve, so shield machine tunneling direction must realize the deflection of small radius of curvature, this usually require to increase cutterhead digging diameter or
Cutterhead is set to swing.In soft rock strata, the cutterhead amount of backbreaking causes greatly the grouting amount for filling the gap between section of jurisdiction and ground to increase, and applies
Work cost increases, and construction party wishes that the shield cutter amount of backbreaking is adjustable；On country rock convergence stratum, after the hob abrasion of side, cutterhead excavates
Diameter reduces, the side hobboing cutter such as more renewed not in time, is easy to happen clamping stagnation on country rock convergence stratum, stratum, shield are denuded in height
The side hobboing cutter that the very short distance of driving will more renew.
Utility model content
The utility model proposes the shield machines of a kind of reducing normal pressure tool changing cutterhead and the use cutterhead, can not only safely may be used
Complicated geological operating mode is adapted to by ground, moreover it is possible to need to adjust cutterhead digging diameter according to construction, the utilization rate of opposite side hobboing cutter is high.
What the technical solution of the utility model was realized in：
A kind of reducing normal pressure tool changing cutterhead, including cutterhead, girder and auxiliary girder, girder and auxiliary girder are alternately set on cutterhead
It sets, auxiliary girder front edge is provided with welding base, and the lower part of welding base is provided with upper seal support, and the lower part of upper seal support, which is provided with, to be changed
Knife support tube, gate oil cylinder is provided on the outside of upper seal support, and gate oil cylinder connects gate sheet, knife is provided in tool changing support tube
Tin, it is provided with tool apron at the top of knife cylinder inner wall, side hobboing cutter is provided in tool apron.
The bottom of the knife cylinder inner wall is provided with end cap, and the telescopic end of oil cylinder is drawn in end cap connection, and dilatory oil cylinder fixation is set
It sets in girder nacelle.
It is provided with connector sleeve in the end cap, the telescopic end of dilatory oil cylinder is provided with connecting plate, and connecting plate connects connector sleeve.
The gap passed through for gate sheet is provided between the upper seal support and tool changing support tube.
The knife cylinder and tool apron are bolted.
It is symmetrically arranged with gate oil cylinder at two on the outside of the upper seal support, sealing dress is provided on the inside of the gate sheet
It sets.
The tool changing support tube and knife cylinder are bolted.
The girder and auxiliary girder have been uniformly arranged on cutterhead at six.
A kind of shield machine, including reducing normal pressure tool changing cutterhead.
The reducing normal pressure tool changing cutterhead of the utility model can realize that diameter is variable, can fast, conveniently and safely realize
Cutter diameter becomes larger and becomes smaller, and is adapted to complicated geological, improves the penetration performance and shield-tunneling construction efficiency of cutterhead；This
It the reducing normal pressure tool changing cutterhead of utility model and meets the small curvature semidiameter turn of shield machine using the shield machine of the cutterhead and digs
Into when increase cutter diameter needs, also meet shield soft rock strata tunnel save grouting amount requirement, improve construction
Economy；The reducing normal pressure tool changing cutterhead of the utility model reduces the quantity of shield-tunneling construction consumption hobboing cutter, improves side
The utilization rate of hobboing cutter, has saved cost.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the assembling schematic diagram in the one of side hobboing cutter of the utility model；
Fig. 3 is the schematic diagram for starting to dismantle knife cylinder using dilatory oil cylinder；
Fig. 4 is that dilatory oil cylinder dragging knife cylinder is moved into girder nacelle but side hobboing cutter does not reach schematic diagram below gate；
Fig. 5 is the schematic diagram that the normal pressure tool changing device gate sheet opens and closes two states；
Fig. 6 is the schematic diagram that knife cylinder is split out from normal pressure tool changing device completely；
Fig. 7 is the cutter of reducing normal pressure tool changing cutterhead and the shield machine diameter change front and rear side hobboing cutter using the cutterhead
Trail change and cutter path envelope curve contrast schematic diagram, φ y indicate that the minimum value of cutterhead digging diameter, φ y+ indicate knife
The maximum value of disk digging diameter；
Fig. 8 is the knife cylinder contrast schematic diagram for the different height for being equipped with hobboing cutter；
Fig. 9 is schematic diagram when being in open state along the gate sheet of knife cylinder end on observation；
Figure 10 is the utility model end cap schematic diagram；
Figure 11 is the structural schematic diagram of the utility model connecting plate.
In figure：1- girders, 2- auxiliary girders, the sides 3- hobboing cutter, 4- welding bases, 5- knife cylinders, 6- tool aprons, 7- gate sheets, the dilatory oil of 8-
Cylinder, 9- upper seal supports, 10- gate oil cylinders, 11- end caps, 12- anterior shields, 13- tool changing support tubes,
81- connecting plates, 111- connector sleeves, A is the cutterhead working diameter before variation in Fig. 7, and B be that the cutterhead after variation works
Diameter.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not under the premise of making the creative labor
The every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Fig. 1-11, the utility model embodiment provides a kind of reducing normal pressure tool changing cutterhead, including cutterhead,
Girder 1 and auxiliary girder 2, girder 1 and auxiliary girder 2 are arranged alternately on cutterhead, and 2 front edge of auxiliary girder is provided with welding base 4, welding base 4
Lower part be provided with upper seal support 9, the lower part of upper seal support 9 is provided with tool changing support tube 13, and the outside of upper seal support 9 is provided with
Gate oil cylinder 10, gate oil cylinder 10 connect gate sheet 7, are provided with knife cylinder 5 in tool changing support tube 13, are set at the top of 5 inner wall of knife cylinder
It is equipped with tool apron 6, side hobboing cutter 3 is provided in tool apron 6.
The bottom of 5 inner wall of knife cylinder is provided with end cap 11, and the connection of end cap 11 draws the telescopic end of oil cylinder 8, draws oil cylinder 8
It is fixed in 1 nacelle of girder.
Connector sleeve 111 is provided in the end cap 11, the telescopic end of dilatory oil cylinder 8 is provided with connecting plate 81, connecting plate 81
Connector sleeve 111 is connected, connector sleeve 111 is F type structures, and connecting plate 81 can conveniently pass through by revotating card in connector sleeve 111
The telescopic band moving knife cylinder 5 of dilatory oil cylinder 8 moves up and down, and after knife cylinder 5 is moved to suitable position, connecting plate 81 is by connector sleeve 111
It screws out, convenient dilatory oil cylinder 8 is retracted.
The gap passed through for gate sheet 7 is provided between the upper seal support 9 and tool changing support tube 13.
The knife cylinder 5 and tool apron 6 are bolted.
The outside of the upper seal support 9 is symmetrically arranged with gate oil cylinder 10 at two, and the inside of the gate sheet 7 is provided with close
Seal apparatus.
The tool changing support tube 13 and knife cylinder 5 are bolted.
The girder 1 and auxiliary girder 2 have been uniformly arranged on cutterhead at six.
A kind of shield machine, including reducing normal pressure tool changing cutterhead.
The utility model first dismantles the connection bolt of tool changing support tube 13 and knife cylinder 5 when dismantling knife cylinder 5, then will draw
Oil cylinder 8 connects knife cylinder 5, and knife cylinder 5 is hauled out into the nacelle of girder 1, during hauling-out, when the top of side hobboing cutter 3 is less than gate
After plate 7, gate oil cylinder 10 drives gate sheet 7 to close, and the inside of two gate sheets 7 is both provided with sealing device so that 1 cabin of girder
Body is isolated from the outside, and knife cylinder 5 can be split out by continuing drag down；When installing knife cylinder 5, gate sheet 7 is closed, by knife
5 upper ends of cylinder penetrate in tool changing support tube 13 and push up, and when the top of side hobboing cutter 3 is close to gate sheet 7, gate oil cylinder 10 drives
Gate sheet 7 is opened, and knife cylinder 5 is continued to move up to extreme position, and knife cylinder 5 and tool changing support tube 13, knife cylinder 5 is bolted
Installation is complete.
The utility model first uses a lower height of knife cylinder 5, side hobboing cutter 3 to reach abrasion pole in use in shield-tunneling construction
After limit, dismantles side hobboing cutter 3 and be mounted on higher-height knife cylinder 5, then be installed on cutterhead, side hobboing cutter 3 is in knife at this time
The height in disk diameter direction increases, and the side hobboing cutter 3 for having reached the limit of wear is allow to be continuing in this way.
The cutter diameter of the shield machine of the utility model reducing normal pressure tool changing cutterhead and the use cutterhead changes by 4~5
The knife cylinder height of side hobboing cutter is adjusted realization simultaneously, it is high by the while hobboing cutter at hobboing cutter to cutterhead most edge close to cutter head center
Degree knots modification is sequentially increased, change it is front and back while hobboing cutter cutter path can all use the center of curvature while hobboing cutter side smooth curve
Envelope.
The diameter change ranging from 0 of the shield machine of the utility model reducing normal pressure tool changing cutterhead and the use cutterhead~
30mm。
The reducing normal pressure tool changing cutterhead of the utility model and using the cutterhead shield machine simultaneously there is hobboing cutter and scraper,
For combined type cutterhead, the uneven stratas such as machinable weak soil, pan soil, gravel and soft rock adapt to complicated geological.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (9)
1. a kind of reducing normal pressure tool changing cutterhead, including cutterhead, girder（1）And auxiliary girder（2）, it is characterised in that：Girder（1）And pair
Beam（2）It is arranged alternately on cutterhead, auxiliary girder（2）Front edge is provided with welding base（4）, welding base（4）Lower part be provided with
Seal receptacle（9）, upper seal support（9）Lower part be provided with tool changing support tube（13）, upper seal support（9）Outside be provided with gate oil
Cylinder（10）, gate oil cylinder（10）Connect gate sheet（7）, tool changing support tube（13）Inside it is provided with knife cylinder（5）, knife cylinder（5）Inner wall
Top is provided with tool apron（6）, tool apron（6）Inside it is provided with side hobboing cutter（3）.
2. a kind of reducing normal pressure tool changing cutterhead according to claim 1, it is characterised in that：The knife cylinder（5）Inner wall
Bottom is provided with end cap（11）, end cap（11）Oil cylinder is drawn in connection（8）Telescopic end, draw oil cylinder（8）It is fixed at girder
（1）In nacelle.
3. a kind of reducing normal pressure tool changing cutterhead according to claim 2, it is characterised in that：The end cap（11）Interior setting
There is connector sleeve（111）, draw oil cylinder（8）Telescopic end be provided with connecting plate（81）, connecting plate（81）Connect connector sleeve（111）.
4. a kind of reducing normal pressure tool changing cutterhead according to claim 1, it is characterised in that：The upper seal support（9）With
Tool changing support tube（13）Between be provided with for gate sheet（7）The gap passed through.
5. a kind of reducing normal pressure tool changing cutterhead according to claim 1, it is characterised in that：The knife cylinder（5）And tool apron
（6）It is bolted.
6. a kind of reducing normal pressure tool changing cutterhead according to claim 1, it is characterised in that：The upper seal support（9）'s
Outside is symmetrically arranged with gate oil cylinder at two（10）, the gate sheet（7）Inside be provided with sealing device.
7. a kind of reducing normal pressure tool changing cutterhead according to claim 1, it is characterised in that：The tool changing support tube（13）
With knife cylinder（5）It is bolted.
8. according to a kind of reducing normal pressure tool changing cutterhead of claim 1-7 any one of them, it is characterised in that：The girder
（1）And auxiliary girder（2）It has been uniformly arranged at six on cutterhead.
9. a kind of shield machine, it is characterised in that：Including the reducing normal pressure tool changing cutterhead described in claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820175099.2U CN207863965U (en) | 2018-02-01 | 2018-02-01 | A kind of reducing normal pressure tool changing cutterhead and the shield machine using the cutterhead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820175099.2U CN207863965U (en) | 2018-02-01 | 2018-02-01 | A kind of reducing normal pressure tool changing cutterhead and the shield machine using the cutterhead |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207863965U true CN207863965U (en) | 2018-09-14 |
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ID=63460548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820175099.2U Active CN207863965U (en) | 2018-02-01 | 2018-02-01 | A kind of reducing normal pressure tool changing cutterhead and the shield machine using the cutterhead |
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| CN (1) | CN207863965U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108104827A (en) * | 2018-02-01 | 2018-06-01 | 中铁工程装备集团有限公司 | A kind of reducing normal pressure tool changing cutterhead and the shield machine using the cutterhead |
-
2018
- 2018-02-01 CN CN201820175099.2U patent/CN207863965U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108104827A (en) * | 2018-02-01 | 2018-06-01 | 中铁工程装备集团有限公司 | A kind of reducing normal pressure tool changing cutterhead and the shield machine using the cutterhead |
| CN108104827B (en) * | 2018-02-01 | 2024-06-28 | 中铁工程装备集团有限公司 | Variable-diameter normal-pressure cutter changing cutter disc and shield machine using cutter disc |
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