CN201679502U - Shield machine cutter - Google Patents
Shield machine cutter Download PDFInfo
- Publication number
- CN201679502U CN201679502U CN2010201624584U CN201020162458U CN201679502U CN 201679502 U CN201679502 U CN 201679502U CN 2010201624584 U CN2010201624584 U CN 2010201624584U CN 201020162458 U CN201020162458 U CN 201020162458U CN 201679502 U CN201679502 U CN 201679502U
- Authority
- CN
- China
- Prior art keywords
- cutter
- shield machine
- groove
- cutter hub
- cutting edge
- 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 machine cutter which comprises a cutter handle (1) and a cutter body (2), wherein the cutting edge of the cutter body (2) is provided with a groove (4) that extends along the cutting edge direction, the groove (4) is internally welded with a hard alloy body (3), and the cutting edge of the cutter body (2) at the periphery of the groove (4) is provided with an anti-friction layer (5). The shield machine cutter has good anti-friction performance and long service life.
Description
Technical field
The utility model relates to shield machine accessory field, specifically is a kind of shield machine cutter.
Background technology
At present, shield machine is widely used in the construction field of construction of tunnel such as subway, railway, highway, municipal administration, water power.The basic functional principle of shield machine is exactly that a cylindrical shield machine main body is excavated soil while pushing ahead along the tunnel axis.The housing of this shield machine main body is a shield, and it plays a part interim support to the also unlined tunnel construction sections of excavating, and bears the pressure of soil layer on every side, also bears ground water pressure and with underground water retaining outside sometimes.Operations such as excavation, casting, lining cutting are carried out under the shielding of shield.Shield machine cutter is as one of vitals of shield machine, and it is installed on the cutterhead of shield machine, along with soil in the tunnel or rock etc. are mainly excavated in the rotation of cutterhead.
The shield machine cutter of prior art comprises handle of a knife, cutter hub, and the cutting edge of described cutter hub is provided with the groove that extends along edge direction, is welded with a cemented carbide body in the described groove.The shield machine cutter of this structure in use; because the groove periphery of cutter hub cutting edge portion is not provided with the abrasionproof safeguard measure of cemented carbide body; so when lithosphere in running into the tunnel or sandy gravel stratum isodensity soil with high; the wearing and tearing of cutter hub cutting edge are very fast; be easy to make the cemented carbide body in the cutter hub cutting edge portion groove to come off; shortened the application life of cutter, so just increased the replacing number of times of cutter, thereby influenced the excavation speed in tunnel.
The utility model content
The technical problems to be solved in the utility model is, overcomes the defective of above prior art, provides a kind of abrasion resistance good, and the shield machine cutter of long service life.
Technical solution of the present utility model is, a kind of shield machine cutter with following structure is provided: it comprises handle of a knife, cutter hub, the cutting edge of described cutter hub is provided with the groove that extends along edge direction, be welded with a cemented carbide body in the described groove, the cutter hub cutting edge of described groove periphery is provided with wearing layer.
After adopting above structure; the utility model shield machine cutter compared with prior art; have the following advantages: owing on the cutter hub cutting edge of the groove periphery of welding cemented carbide body, be provided with wearing layer; this wearing layer can alleviate the wearing and tearing of cutter hub cutting edge; thereby the cemented carbide body in the protection cutting edge upper groove makes the cemented carbide body difficult drop-off.Thereby make the abrasion resistance of shield machine cutter good, long service life.
As a kind of improvement, the cutter hub cutting edge of described groove periphery is provided with wearing layer, is meant build-up wear-resistant material layer on the cutter hub cutting edge of groove periphery.Employing not only can guarantee the cemented carbide body firm welding in the groove at the peripheral build-up wear-resistant material layer of blade oral area groove, but and the wear-resistant material layer better protection blade of built-up welding, improve the anti-wear performance of blade.
As a kind of improvement, described cutter hub top is provided with a plurality of wear-resistant blocks, and this wear-resistant block can effectively protect cutter hub not frayed in the process of cutter operation, thereby has further improved the abrasion resistance of cutter, has prolonged the application life of cutter.
Description of drawings
Fig. 1 is the structural representation of the utility model shield machine cutter.
Fig. 2 is the package assembly schematic diagram of the utility model shield machine cutter.
As shown in the figure:
1, handle of a knife, 2, cutter hub, 3, cemented carbide body, 4, groove, 5, wearing layer, 6, wear-resistant block.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
As shown in Figure 1 and Figure 2.
The utility model shield machine cutter, it comprises handle of a knife 1, cutter hub 2, and the cutting edge of described cutter hub 2 is provided with the groove 4 that extends along edge direction, is welded with a cemented carbide body 3 in the described groove 4, and cutter hub 2 cutting edges of described groove 4 peripheries are provided with wearing layer 5.
Described cutter hub 2 tops are provided with a plurality of wear-resistant blocks 6.
The wear-resistant block 6 that described a plurality of wear-resistant block 6 is made for carbide alloy.
Described wear-resistant block 6 and cutter hub 2 welded top.
Claims (5)
1. shield machine cutter, it comprises handle of a knife (1), cutter hub (2), the cutting edge of described cutter hub (2) is provided with the groove (4) that extends along edge direction, be welded with a cemented carbide body (3) in the described groove (4), it is characterized in that: peripheral cutter hub (2) cutting edge of described groove (4) is provided with wearing layer (5).
2. shield machine cutter according to claim 1 is characterized in that: peripheral cutter hub (2) cutting edge of described groove (4) is provided with wearing layer (5), is meant build-up wear-resistant material layer on cutter hub (2) cutting edge of groove (4) periphery.
3. shield machine cutter according to claim 1 is characterized in that: described cutter hub (2) top is provided with a plurality of wear-resistant blocks (6).
4. shield machine cutter according to claim 3 is characterized in that: the wear-resistant block (6) that described a plurality of wear-resistant blocks (6) are made for carbide alloy.
5. according to claim 3 or 4 described shield machine cutters, it is characterized in that: described wear-resistant block (6) and cutter hub (2) welded top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201624584U CN201679502U (en) | 2010-04-13 | 2010-04-13 | Shield machine cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201624584U CN201679502U (en) | 2010-04-13 | 2010-04-13 | Shield machine cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201679502U true CN201679502U (en) | 2010-12-22 |
Family
ID=43344550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201624584U Expired - Fee Related CN201679502U (en) | 2010-04-13 | 2010-04-13 | Shield machine cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201679502U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102086768A (en) * | 2010-12-30 | 2011-06-08 | 昆山众备机械设备有限公司 | Cutting blade structure of shield machine |
| CN103573271A (en) * | 2013-10-31 | 2014-02-12 | 宁波麦克潘特电动工具有限公司 | Tunnel boring machine cutter and preparation method thereof |
| CN105114085A (en) * | 2015-08-19 | 2015-12-02 | 潘啟国 | High-strength shield tunneling machine cutter |
| CN111472792A (en) * | 2020-05-15 | 2020-07-31 | 上海隧道工程有限公司 | Relieving system for bidirectional rotary TBM cutter head |
-
2010
- 2010-04-13 CN CN2010201624584U patent/CN201679502U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102086768A (en) * | 2010-12-30 | 2011-06-08 | 昆山众备机械设备有限公司 | Cutting blade structure of shield machine |
| CN103573271A (en) * | 2013-10-31 | 2014-02-12 | 宁波麦克潘特电动工具有限公司 | Tunnel boring machine cutter and preparation method thereof |
| CN105114085A (en) * | 2015-08-19 | 2015-12-02 | 潘啟国 | High-strength shield tunneling machine cutter |
| CN111472792A (en) * | 2020-05-15 | 2020-07-31 | 上海隧道工程有限公司 | Relieving system for bidirectional rotary TBM cutter head |
| CN111472792B (en) * | 2020-05-15 | 2021-07-06 | 上海隧道工程有限公司 | Relieving system for bidirectional rotary TBM cutter head |
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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 |
Granted publication date: 20101222 Termination date: 20150413 |
|
| EXPY | Termination of patent right or utility model |