CN203603918U - Shield tunneling machine cutter - Google Patents
Shield tunneling machine cutter Download PDFInfo
- Publication number
- CN203603918U CN203603918U CN201320747643.3U CN201320747643U CN203603918U CN 203603918 U CN203603918 U CN 203603918U CN 201320747643 U CN201320747643 U CN 201320747643U CN 203603918 U CN203603918 U CN 203603918U
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- alloy
- groove
- inner groovy
- cutter head
- cutter
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Abstract
The utility model discloses a shield tunneling machine cutter which comprises a cutter bit, a main alloy body and an auxiliary alloy body. An L-shaped alloy groove and an inner groove are formed in the end of the cutter bit, a locking groove communicated with the L-shaped alloy groove is formed in the connecting portion of the two faces in the L-shaped alloy groove, a locking strip is integrally arranged on the main alloy strip, the main alloy body is fixed to the locking groove of the L-shaped alloy groove through the locking strip, and the auxiliary alloy body is fixed to the inner groove. According to the shield tunneling machine cutter, the stability of the alloy body on the cutter bit can be improved and the purpose that the service life of the cutter is prolonged is achieved.
Description
Technical field
The utility model relates to shield machine accessory, relates in particular to a kind of shield machine cutter.
Background technology
Shield machine cutter is mainly made up of cutter head and handle of a knife, conventionally on cutter head, has alloy groove, and alloy body is welded in alloy groove.Just in actual use, this kind of cutter is difficult to adapt to gravel, the pebble layer of high quartz content, causes the quick-wearing of crossing of alloy body, is prone to the too early obscission of alloy body, can not effectively protect cutter head, causes shield machine cutter entirety to be scrapped.
In order to address the above problem, following technology is proposed in prior art:
China Patent No. " 200910017438.X " discloses a kind of shield machine cutter, its open day is on 01 20th, 2010, its technical scheme is that described cutter comprises cutter head and handle of a knife, cutter head one end is connected with handle of a knife, cutter head other end end arranges alloy groove, master alloying body is installed in alloy groove, master alloying body exposed junction outermost end is arc, offer top inner groovy in head top surface, end face alloy body is installed in the inner groovy of top, end face alloy body end face exposes cutter head surface, on cutter head two sides, offer side inner groovy, side alloy body is installed in the inner groovy of side, side alloy body end face exposes cutter head surface.But in actual use, because alloy body is directly welded in the inner groovy and alloy groove of cutter head, the contact area of alloy body and cutter head is less, and in use, alloy body easily comes off from cutter head, cause reduce the application life of cutting knife.
Utility model content
The purpose of this utility model is to overcome the above-mentioned problems in the prior art, and a kind of shield machine cutter is provided, and the utility model can improve the steadiness of alloy body on cutter head, reaches and extends the cutting knife object in application life.
For achieving the above object, the technical solution adopted in the utility model is as follows:
A kind of shield machine cutter, it is characterized in that: comprise cutter head, master alloying body and auxiliary alloy body, the end of described cutter head is provided with L shaped alloy groove and inner groovy, in described L shaped alloy groove, the junction of two faces is provided with the locking slot communicating with L shaped alloy groove, on described master alloying body, integral type is provided with locking strip, described master alloying body is fixed on by locking strip in the locking slot of L shaped alloy groove, and described auxiliary alloy body is fixed in inner groovy.
The bottom land both sides of described inner groovy are respectively arranged with two locating slots, and described two locating slots communicate with inner groovy, and on described auxiliary alloy body, integral type is provided with two positioning strips, and described auxiliary alloy body is fixed in the locating slot of inner groovy by two positioning strips.
The junction rounding off of the sidewall of described locating slot and inner groovy sidewall, the junction rounding off of the sidewall of described locking slot and L shaped alloy groove sidewall.
On described cutter head, be provided with the wearing layer of being made by wear-resisting alloy steel.
Employing the utility model has the advantage of:
One, in the utility model, the locking slot and the locking strip that arrange, increase the contact area of master alloying body and cutter head, made master alloying body more solid and reliable with being connected of cutter head, and, by the cooperation of locking slot and locking strip, master alloying body can be fixed in L shaped alloy groove firmly, be equivalent to make cutter head and master alloying body to become one, not only can strengthen the integral firmness of cutting knife, the impact resistance of cutting knife can also be improved, thereby the application life of cutting knife can be extended.
Two, in the utility model, described auxiliary alloy body is fixed in the locating slot of inner groovy by two positioning strips, this structure has increased the contact area of auxiliary alloy body and inner groovy, auxiliary alloy body can be fixed in inner groovy firmly, be equivalent to make auxiliary alloy body and cutter head to become one, not only can prevent auxiliary alloy body displacement, can also effectively prevent that auxiliary alloy body from coming off from inner groovy, improve resistance to overturning, fastness, impact resistance and the abrasion resistance of cutting knife.
Three, in the utility model, because master alloying body and auxiliary alloy body are welded on respectively in L shaped alloy groove and inner groovy, therefore the junction rounding off of locating slot sidewall and inner groovy sidewall, and the structure of the junction rounding off of locking slot sidewall and L shaped alloy groove sidewall, the compactness that can strengthen cutter head and alloy body welding, is conducive to further improve the steadiness of alloy body on cutter head.
Four, in the utility model, because wear-resisting alloy steel has stronger hardness and toughness, therefore the wearing layer of being made up of wear-resisting alloy steel is set on cutter head, can further improves the abrasion resistance of cutter head, can effectively reduce the impaired probability of cutter head.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Being labeled as in figure: 1, cutter head, 2, master alloying body, 3, auxiliary alloy body, 4, L shaped alloy groove, 5, inner groovy, 6, locating slot, 7, locking slot, 8, locking strip, 9, positioning strip, 10, wearing layer.
The specific embodiment
A kind of shield machine cutter, comprise cutter head 1, master alloying body 2 and auxiliary alloy body 3, the end of described cutter head 1 is provided with L shaped alloy groove 4 and inner groovy 5, and on the external surface of cutter head 1 end, be provided with the wearing layer 10 of being made by wear-resisting alloy steel, described L shaped alloy groove 4 comprises two faces, junction at 4 two faces of L shaped alloy groove is provided with the locking slot 7 communicating with L shaped alloy groove 4, on described master alloying body 2, integral type is provided with locking strip 8, described master alloying body 2 is fixed on by locking strip 8 in the locking slot 7 of L shaped alloy groove 4, by the cooperation of locking slot 7 and locking strip 8, can significantly strengthen the integral firmness of cutting knife, the bottom land both sides of described inner groovy 5 are respectively arranged with two locating slots 6, described two locating slots 6 communicate with inner groovy 5, on described auxiliary alloy body 3, integral type is provided with two positioning strips 9, described auxiliary alloy body 3 is fixed on by two positioning strips 9 in the locating slot 6 of inner groovy 5, by the cooperation of locating slot 6 and positioning strip 9, can effectively improve the overall wear resistance of cutting knife.
In the present embodiment, the degree of depth of described locking slot 7 is preferably set to 1cm, the degree of depth of the width of described locking strip 8 and locking slot 7 is suitable, the degree of depth of described locating slot 6 is preferably 0.7cm, the degree of depth of the width of described positioning strip 9 and locating slot 6 is suitable, do not affecting under the prerequisite of cutter head 1 self rigidity intensity guaranteeing, reaching and extend the cutting knife object in application life.
Embodiment 2
The present embodiment and above-described embodiment are basic identical, the main distinction is: the junction rounding off of the sidewall of described locating slot 6 and inner groovy 5 sidewalls, the junction rounding off of the sidewall of described locking slot 7 and L shaped alloy groove 4 sidewalls, the compactness being connected with cutter head 1 to strengthen alloy body.
Claims (4)
1. a shield machine cutter, it is characterized in that: comprise cutter head (1), master alloying body (2) and auxiliary alloy body (3), the end of described cutter head (1) is provided with L shaped alloy groove (4) and inner groovy (5), in described L shaped alloy groove (4), the junction of two faces is provided with the locking slot (7) communicating with L shaped alloy groove (4), the upper integral type of described master alloying body (2) is provided with locking strip (8), described master alloying body (2) is fixed on by locking strip (8) in the locking slot (7) of L shaped alloy groove (4), described auxiliary alloy body (3) is fixed in inner groovy (5).
2. shield machine cutter as claimed in claim 1, it is characterized in that: the bottom land both sides of described inner groovy (5) are respectively arranged with two locating slots (6), described two locating slots (6) communicate with inner groovy (5), the upper integral type of described auxiliary alloy body (3) is provided with two positioning strips (9), and described auxiliary alloy body (3) is fixed in the locating slot (6) of inner groovy (5) by two positioning strips (9).
3. shield machine cutter as claimed in claim 2, is characterized in that: the junction rounding off of the sidewall of described locating slot (6) and inner groovy (5) sidewall, the junction rounding off of the sidewall of described locking slot (7) and L shaped alloy groove (4) sidewall.
4. the shield machine cutter as described in claim 1,2 or 3, is characterized in that: on described cutter head (1), be provided with the wearing layer (10) of being made up of wear-resisting alloy steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320747643.3U CN203603918U (en) | 2013-11-25 | 2013-11-25 | Shield tunneling machine cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320747643.3U CN203603918U (en) | 2013-11-25 | 2013-11-25 | Shield tunneling machine cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203603918U true CN203603918U (en) | 2014-05-21 |
Family
ID=50716595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320747643.3U Expired - Fee Related CN203603918U (en) | 2013-11-25 | 2013-11-25 | Shield tunneling machine cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203603918U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566218A (en) * | 2019-09-20 | 2019-12-13 | 洛阳金鹭硬质合金工具有限公司 | Scraper structure for shield machine |
-
2013
- 2013-11-25 CN CN201320747643.3U patent/CN203603918U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566218A (en) * | 2019-09-20 | 2019-12-13 | 洛阳金鹭硬质合金工具有限公司 | Scraper structure for 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 |
Granted publication date: 20140521 Termination date: 20151125 |