CN208267854U - A kind of novel improved shield cutter - Google Patents
A kind of novel improved shield cutter Download PDFInfo
- Publication number
- CN208267854U CN208267854U CN201820809507.5U CN201820809507U CN208267854U CN 208267854 U CN208267854 U CN 208267854U CN 201820809507 U CN201820809507 U CN 201820809507U CN 208267854 U CN208267854 U CN 208267854U
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- China
- Prior art keywords
- cutter
- installing port
- main cutting
- knife
- cutting knife
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- Expired - Fee Related
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Abstract
The utility model provides a kind of novel improved shield cutter.The novel improved shield cutter includes cutterhead body, cross main cutting knife installing port is offered in the front of cutterhead body, cutterhead body is separated into four identical fan-shaped regions by cross main cutting knife installing port, cutter is installed in each fan-shaped region, and hobboing cutter is installed by the position of proximal edge in each fan-shaped region, it is characterized by: being equipped with multiple wedge-shaped tearing cutters in cross main cutting knife installing port, multiple edge blades are respectively welded in cross main cutting knife installing port outer rim two sides, and periphery protection knife is welded at the edge of cross main cutting knife installing port.The utility model increases its wearability by the strengthening and improving to panel cutter, and cutter makes full use of more conducively in shield driving, increases Tool in Cutting ability, effectively increases the adaptability of shield machine under long distance driving.
Description
Technical field
The utility model relates to shield machine apparatus field, specifically a kind of novel improved shield cutter.
Background technique
With the sustained and rapid development of China's economy, people's lives level is increasingly improved, while people hand over for convenient
Logical demand is also growing day by day, and the tunnel in China and subway construction are like a raging fire.Shield construction be widely used in tunnel with
And in subway construction, construction efficiency is substantially increased, reduces construction cost, improves construction safety level.Due to China's width
Member is vast, and geologic structure is complicated and changeable, also brings lot of challenges to shield construction.
Since silly stratum has the characteristics that high viscosity, low permeability, extremely closely knit, mud is also easy to produce in tunneling process
Cake phenomenon, to cause the problems such as promoting difficult, ground settlement to be difficult to control.Under silly stratum, if center is with hobboing cutter
Main cutting tool, it will there is the incrusted phenomenon of cutter head center, the mud cake in cutter head center area will cause cutterhead and can rotate,
But hobboing cutter cannot but generate rotation, lead to rolling blade losing efficacy eccentric wear, while will cause the increasing of cutterhead rotating load, or even stop turning
It is dynamic, it also results in cabin body temperature and sharply increases, influence the service life of main shaft seals, or even damage bearing seal.
In order to improve the mobility of quarrel soil, the generation of above-mentioned phenomenon is prevented, it is desirable to provide one kind is specifically for muddy
The shield cutter of layer.
Summary of the invention
Deficiency provides a kind of novel improved shield cutter to the utility model according to prior art, and the design of the cutterhead is main
It is arranged for stronger anti-mud, main cutter is all arranged to wedge-shaped tearing cutter, increase the aperture opening ratio of cutterhead, and cutterhead is opened
Mouth outer rim is equipped with protection knife, integrally prevents tool bit abrasion and fragmentation phenomenon from occurring, increases its wearability, more conducively shield driving
Middle cutter makes full use of, and increases Tool in Cutting ability, effectively increases the adaptability of shield machine under long distance driving.
Technical solution provided by the utility model: a kind of novel improved shield cutter, including cutterhead body, in cutterhead
The front of main body offers cross main cutting knife installing port, and cutterhead body is separated into four by cross main cutting knife installing port
Identical fan-shaped region is equipped with cutter in each fan-shaped region, and is equipped in each fan-shaped region by the position of proximal edge
Hobboing cutter, it is characterised in that: multiple wedge-shaped tearing cutters are equipped in cross main cutting knife installing port, in cross main cutting knife
Installing port outer rim two sides are respectively welded multiple edge blades, and are welded with periphery at the edge of cross main cutting knife installing port
Protect knife.
The further technical solution of the utility model: the wedge shape tearing cutter includes knife rest, tool apron, cutter shaft and cutter hub, institute
Stating cutter hub is hilted broadsword cutter hub or double-pole cutter hub, and the blade of each cutter hub is wedge shape.
The utility model preferably technical solution: it is opened in cutterhead body front and is equipped with ten at cross main cutting knife installing port
Font knife beam and center linear type knife beam, the multiple wedge shape tearing cutter are mounted on the positive cross blade beam of cutterhead body and one
Multiple wedge-shaped tearing cutters on font knife beam, and on same straight line are equally spaced side by side, and the knife rest of each wedge shape tearing cutter passes through
The connection of the fixation voussoir of bolt and shield cutter；The multiple edge blade is symmetrically mounted on cutterhead body cross blade beam two
Side, periphery protection knife along cross blade beam and linear type knife beam edge distribution, and by multiple wedge-shaped tearing cutter enclosings.
The utility model preferably technical solution: alloy block is welded in the blade position of each edge blade.
The structure of the utility model edge blade, hobboing cutter and cutter with edge blade, the hobboing cutter in existing shield cutter
And the structure of cutter is identical.
The utility model has the beneficial effects that
(1) the positive main cutting knife of the utility model cutterhead is all using wedge-shaped tearing cutter, using the replaceable tearing of wedge shape
Knife is easier to incision mud, can suitably reduce cutterhead thrust, reduces cutter head torque；
(2) cutterhead open edge be equipped with alloy scraper, the stratum tunnel when, scraper two sides be wear it is more serious
Region, the scraper at cutterhead open circumferential position can carry out scraping removing to the loose rock stratum of hobboing cutter, moreover it is possible to increase the resistance to of cutterhead
Mill property, effective protection cutterhead parent, edge blade are prepared using alloy material, prevent tool bit abrasion and fragmentation phenomenon from occurring,
To enhance the wear-resisting property and shock resistance of cutterhead edge blade；
(3) due to cutterhead periphery linear velocity it is larger, stratum to cutterhead wear it is more serious, for protect cutterhead periphery, prevent
Only cutterhead excessive wear is welded with periphery protection knife in cutterhead open edge, to protect cutterhead periphery position.
The utility model increases its wearability, more conducively knife in shield driving by the strengthening and improving to panel cutter
Making full use of for tool, increases Tool in Cutting ability, effectively increases the adaptability of shield machine under long distance driving.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the front schematic view of the hilted broadsword formula wedge shape tearing cutter of the utility model；
Fig. 3 is the side schematic view of the hilted broadsword formula wedge shape tearing cutter of the utility model；
Fig. 4 is the front schematic view of the double knife type wedge shape tearing cutter of the utility model；
Fig. 5 is the side schematic view of the double knife type wedge shape tearing cutter of the utility model；
Fig. 6 is the edge blade structural schematic diagram of the utility model；
Fig. 7 is the AA sectional view of Fig. 6；
Fig. 8, Fig. 9 are the cutter structure schematic diagrames of the utility model.
In figure: 1-cutterhead body, 2-linear type knife beams, 3-cutters, 4-hobboing cutters, 5-wedge-shaped tearing cutters, 5-1-knife
Frame, 5-2-tool apron, 5-3-cutter shaft, 5-4-cutter hub, 5-5-blade, 6-edge blades, 6-1-alloy block, 7-peripheries are protected
Protect knife, 8-cross blade beams, 9-fixed voussoirs.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.A kind of novel improved shield cutter as shown in Figure 1,
Structure including cutterhead body 1, disk body 1 of operating is identical as the cutter head structure of existing balancing earth-pressure shielding machine, in cutterhead body 1
Front offer cross main cutting knife installing port, cutterhead body 1 is separated into four phases by cross main cutting knife installing port
With fan-shaped region, cutter 3 is installed in each fan-shaped region, the structure of the cutter 3 is as shown in Figure 8 and Figure 9, and each
Fan-shaped region is equipped with hobboing cutter 4 by the position of proximal edge, and the structure of hobboing cutter 4 is the structure of existing shield cutter hobboing cutter, in cutterhead
1 front of main body, which is opened, is equipped with cross blade beam 8 and center linear type knife beam 2 at cross main cutting knife installing port.
As shown in Figure 1, the characteristics of the utility model is, multiple wedge shapes are installed in cross main cutting knife installing port
Tearing cutter 5.As shown in Figures 2 to 5, the wedge-shaped tearing cutter 5 includes knife rest 5-1, tool apron 5-2, cutter shaft 5-9 and cutter hub 5-4, institute
Stating cutter hub 5-4 is hilted broadsword cutter hub or double-pole cutter hub, and the blade 5-5 of each cutter hub is wedge shape.When cutter hub 5-4 is hilted broadsword cutter hub
When, as shown in Figures 2 and 3, a notch is offered above tool apron 5-2, cutter hub 5-4 is embedded in notch, and tight by bolt
Gu tool apron 5-2 is welded on knife rest 5-1；When cutter hub 5-4 is double-pole cutter hub, as shown in Figure 4 and Figure 5, on the tool apron 5-2
The notch of cutter hub is installed there are two setting by portion, and a cutter hub is installed in each notch, and the blade of each cutter hub is wedge shape.
As shown in Figure 1, the multiple wedge shape tearing cutter 5 is mounted on the positive cross blade beam 8 of cutterhead body 1 and linear type
Multiple wedge-shaped tearing cutters 5 on knife beam 2, and on same straight line are equally spaced side by side, and the knife rest of each wedge shape tearing cutter 5 passes through spiral shell
The connection of the fixation voussoir 9 of bolt and shield cutter.Multiple edges are respectively welded in cross main cutting knife installing port outer rim two sides
Scraper 6, multiple edge blades 6 are symmetrically mounted on 8 two sides of cutterhead body cross blade beam, as shown in Figure 6 and Figure 7, on each side
The blade position of edge scraper 6 is welded with alloy block 6-1, increases the wearability of cutter hub.In cross main cutting knife installing port
Edge is welded with periphery protection knife 7, and straight strip steel plate can be directly used along 8 He of cross blade beam in the periphery protection knife 7
The edge of linear type knife beam 2 is welded, and by multiple wedge-shaped 5 enclosings of tearing cutter.
For the utility model using in Mr. Yu's urban rail transit construction, earth pressure balanced shield, EPBS is passing through silly stratum geological condition
When lower, using the cutter head structure of the utility model, the main cutting knife of the cutter head structure is all designed using using wedge structure
Tearing cutter, be easier to incision mud stone, can suitably reduce cutterhead thrust, torque, and pass through the strengthening and improving to panel cutter, increase
Its wearability, cutter makes full use of more conducively in shield driving, increases Tool in Cutting ability, effectively increases and dig over long distances
Into the adaptability of lower shield machine.The risks such as cutterhead mud lining, ground settlement are avoided, a large amount of construction time has been saved；Reduce
Mud lining risk, reduction open a position and replace cutter expense；Reduce mechanical equipment overload operation, maintenance expense substantially reduces.
Claims (4)
1. a kind of novel improved shield cutter, including cutterhead body (1) offer cross master in the front of cutterhead body (1)
Cutterhead body (1) is separated into four identical fan-shaped regions, each fan by bite installing port, cross main cutting knife installing port
It is equipped in shape region cutter (3), and hobboing cutter (4) is installed by the position of proximal edge in each fan-shaped region, it is characterised in that:
Multiple wedge-shaped tearing cutters (5) are installed in cross main cutting knife installing port, in cross main cutting knife installing port outer rim two
Side is respectively welded multiple edge blades (6), and is welded with periphery protection knife at the edge of cross main cutting knife installing port
(7)。
2. a kind of novel improved shield cutter according to claim 1, it is characterised in that: the wedge shape tearing cutter (5) is wrapped
Including knife rest (5-1), tool apron (5-2), cutter shaft (5-9) and cutter hub (5-4), the cutter hub (5-4) is hilted broadsword cutter hub or double-pole cutter hub,
And the blade (5-5) of each cutter hub is wedge shape.
3. a kind of novel improved shield cutter according to claim 1 or 2, it is characterised in that: in cutterhead body (1) front
It opens and is equipped with cross blade beam (8) and center linear type knife beam (2) at cross main cutting knife installing port, the multiple wedge shape tearing
Knife (5) is mounted on the positive cross blade beam (8) of cutterhead body (1) and linear type knife beam (2), and multiple on same straight line
Wedge-shaped tearing cutter (5) is equally spaced side by side, and the knife rest of each wedge shape tearing cutter (5) passes through the fixation voussoir of bolt and shield cutter
(9) it connects；The multiple edge blade (6) is symmetrically mounted on cutterhead body cross blade beam (8) two sides, and knife is protected in the periphery
(7) along the edge distribution of cross blade beam (8) and linear type knife beam (2), and by multiple wedge-shaped tearing cutter (5) enclosings.
4. a kind of novel improved shield cutter according to claim 1 or 2, it is characterised in that: in each edge blade (6)
Blade position be welded with alloy block (6-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820809507.5U CN208267854U (en) | 2018-05-29 | 2018-05-29 | A kind of novel improved shield cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820809507.5U CN208267854U (en) | 2018-05-29 | 2018-05-29 | A kind of novel improved shield cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208267854U true CN208267854U (en) | 2018-12-21 |
Family
ID=64685867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820809507.5U Expired - Fee Related CN208267854U (en) | 2018-05-29 | 2018-05-29 | A kind of novel improved shield cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208267854U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915158A (en) * | 2019-04-15 | 2019-06-21 | 盾构及掘进技术国家重点实验室 | A kind of method of the cutter and cutterhead of shield machine, shield machine cutting consolidation draining plate |
| CN113700492A (en) * | 2021-09-30 | 2021-11-26 | 中铁二十局集团第五工程有限公司 | Method for rapidly adjusting cutter configuration of cutter head of shield tunneling machine |
-
2018
- 2018-05-29 CN CN201820809507.5U patent/CN208267854U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915158A (en) * | 2019-04-15 | 2019-06-21 | 盾构及掘进技术国家重点实验室 | A kind of method of the cutter and cutterhead of shield machine, shield machine cutting consolidation draining plate |
| CN113700492A (en) * | 2021-09-30 | 2021-11-26 | 中铁二十局集团第五工程有限公司 | Method for rapidly adjusting cutter configuration of cutter head of shield tunneling machine |
| CN113700492B (en) * | 2021-09-30 | 2023-05-23 | 中铁二十局集团第五工程有限公司 | Method for rapidly adjusting cutter configuration of cutter head of shield tunneling machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181221 |