CN205260046U - Shield constructs quick -witted peripheral scraper protection sword - Google Patents
Shield constructs quick -witted peripheral scraper protection sword Download PDFInfo
- Publication number
- CN205260046U CN205260046U CN201521136371.9U CN201521136371U CN205260046U CN 205260046 U CN205260046 U CN 205260046U CN 201521136371 U CN201521136371 U CN 201521136371U CN 205260046 U CN205260046 U CN 205260046U
- Authority
- CN
- China
- Prior art keywords
- scraper
- protection cutter
- protection
- face
- alloy
- 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.)
- Expired - Fee Related
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- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model discloses a shield constructs quick -witted peripheral scraper protection sword, it has alloy groove in order to weld the hard alloy block and protection sword base on peripheral scraper blade holder, to mill to include on the protection sword base, the hard alloy block welding is in in the alloy groove, alloy groove becomes the slope contained angle with the bottom surface of protection sword base, the build -up welding of protection sword base upper surface has the wearing layer. The utility model has the advantages that: this device structure and simple manufacture, convenient to use effectively reduces the wearing and tearing of peripheral scraper, improves tunnelling efficiency.
Description
Technical field
The utility model relates to shield machine cutter technical field, particularly relates to a kind of peripheral scraper of shielding machineProtection cutter.
Background technology
Shield machine is mainly used in constructing tunnel, and the operating mode of shield-tunneling construction is generally comparatively severe, the mill of cutterDamage is inevitable. In work progress, often need to change cutter, but due to shield machine working environment andThe restriction of operation principle, causes in cutter head of shield machine border linear velocity greatlyr, and working environment is more severe, scraperWhat wear and tear is the fastest, needs frequent tool changing. Change cutter above and have larger risk, therefore at operation processIf in occur tool damage, will greatly affect job scheduling.
Utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, provides a kind of shield machine periphery to scrapeCutter protection cutter, this structure has solved peripheral scraper of shielding machine, and easily problem, the minimizing cutter changing of wearing and tearing existThe problem such as risk.
The utility model is achieved through the following technical solutions: a kind of peripheral scraper of shielding machine protection cutter,Comprise being welded in hard alloy blocks and protection cutter pedestal on periphery scraper tool apron, on protection cutter pedestal, be milled withAlloy groove, described hard alloy blocks is welded in described alloy groove, described alloy groove and the end of protecting cutter pedestalFace becomes slanted angle, and described protection cutter pedestal upper surface heap is welded with wearing layer.
The alloy groove that slanted angle arranges, while making to protect cutter head-on to contact the soil body, can weaken the impact of the soil bodyAnd wearing and tearing, block scraper and avoid the direct wearing and tearing of the soil body to scraper; The exsertion part of protection cutter is by wearing layerForm, further improve the durability of protection cutter, improved the protective effect of protection cutter to scraper and tool rest,Improve its service life.
Described protection cutter is provided with several, is evenly fixed on periphery scraper tool apron.
The end face of described hard alloy blocks and the end face of scraper maintain an equal level or the end face of described hard alloy blocks compares scraperEnd face exceed 10mm with interior difference in height. The end face of hard alloy blocks maintains an equal level or the end face of slightly high scraper, canForm the protection of blocking to scraper, can in cutterhead driving, effectively protect all edge doctors, avoid the soil body to scrapingThe wearing and tearing of cutter and tool rest, extend its service life.
The utility model has the advantages that: this apparatus structure and making are simple, easy to use, effectively reduce peripheryThe wearing and tearing of scraper, improve drivage efficiency.
Brief description of the drawings
Fig. 1 is the front view of the utility model embodiment;
Fig. 2 is the top view of the utility model embodiment.
Reference numeral implication in figure: 1, hard alloy blocks; 2, protection cutter pedestal; 3, alloy groove.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, content of the present utility model is described in further details.
Embodiment
Consult Fig. 1 and Fig. 2, for a kind of peripheral scraper of shielding machine protection cutter, comprise being welded in all edge doctor cuttvesHard alloy blocks 1 on seat and protection cutter pedestal 2, be milled with alloy groove 3, carbide alloy on protection cutter pedestal 2Piece 1 is welded in alloy groove 3, and alloy groove 3 becomes slanted angle, protection cutter with the bottom surface of protection cutter pedestal 2Pedestal 2 upper surface heaps are welded with wearing layer.
The alloy groove 3 that slanted angle arranges, while making to protect cutter head-on to contact the soil body, can weaken the impact of the soil bodyAnd wearing and tearing, block scraper and avoid the direct wearing and tearing of the soil body to scraper; The exsertion part of protection cutter is by wearing layerForm, further improve the durability of protection cutter, improved the protective effect of protection cutter to scraper and tool rest,Improve its service life.
Protection cutter is provided with several, is evenly fixed on periphery scraper tool apron.
The end face of hard alloy blocks 1 and the end face of scraper maintain an equal level or the end face of hard alloy blocks 1 than the top of scraperFace exceeds 10mm with interior difference in height. The end face of hard alloy blocks 1 maintains an equal level or the end face of slightly high scraper, can shapeIn pairs scraper block protection, can be in cutterhead driving effective all edge doctors of protection, avoid the soil body to scraperAnd the wearing and tearing of tool rest, extend its service life.
When use, protection cutter is welded on periphery scraper tool apron, and is uniformly distributed multiple guarantors along scraper tool apronProtect cutter. When in driving, cutterhead rotates, protection cutter can play the protective effect to scraper, and periphery blade wears justCan greatly reduce, reduce the frequency of tool changing, improve drivage efficiency.
Above-listed detailed description is for the illustrating of the utility model possible embodiments, and this embodiment not usesTo limit the scope of the claims of the present utility model, allly do not depart from the equivalence that the utility model does and implement or change,All should be contained in the scope of the claims of this case.
Claims (3)
1. a peripheral scraper of shielding machine protection cutter, is characterized in that: comprise being welded in periphery scraper tool apronOn hard alloy blocks (1) and protection cutter pedestal (2), in protection cutter pedestal (2), be milled with alloy groove (3),Described hard alloy blocks (1) is welded in described alloy groove (3), described alloy groove (3) and protection cutter baseThe bottom surface of seat (2) becomes slanted angle, and described protection cutter pedestal (2) upper surface heap is welded with wearing layer.
2. peripheral scraper of shielding machine protection cutter according to claim 1, is characterized in that: described protectionCutter is provided with several, is evenly fixed on periphery scraper tool apron.
3. peripheral scraper of shielding machine protection cutter according to claim 1, is characterized in that: described hardThe end face of alloy block (1) and the end face of scraper maintain an equal level or the end face of described hard alloy blocks (1) than scraperEnd face exceeds 10mm with interior difference in height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521136371.9U CN205260046U (en) | 2015-12-30 | 2015-12-30 | Shield constructs quick -witted peripheral scraper protection sword |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521136371.9U CN205260046U (en) | 2015-12-30 | 2015-12-30 | Shield constructs quick -witted peripheral scraper protection sword |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205260046U true CN205260046U (en) | 2016-05-25 |
Family
ID=56001576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521136371.9U Expired - Fee Related CN205260046U (en) | 2015-12-30 | 2015-12-30 | Shield constructs quick -witted peripheral scraper protection sword |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205260046U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236307A (en) * | 2018-10-18 | 2019-01-18 | 上海隧道工程有限公司 | The blade construction of shield machine |
-
2015
- 2015-12-30 CN CN201521136371.9U patent/CN205260046U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236307A (en) * | 2018-10-18 | 2019-01-18 | 上海隧道工程有限公司 | The blade construction of shield machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160525 Termination date: 20201230 |