CN205297585U - Shield constructs quick-witted tearing sword and fixing system thereof - Google Patents
Shield constructs quick-witted tearing sword and fixing system thereof Download PDFInfo
- Publication number
- CN205297585U CN205297585U CN201520914525.6U CN201520914525U CN205297585U CN 205297585 U CN205297585 U CN 205297585U CN 201520914525 U CN201520914525 U CN 201520914525U CN 205297585 U CN205297585 U CN 205297585U
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- China
- Prior art keywords
- cutter
- mounting groove
- cutting tooth
- cutting
- side cutting
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- Expired - Fee Related
Links
- 239000000956 alloy Substances 0.000 claims abstract description 16
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 16
- 239000002689 soil Substances 0.000 abstract description 14
- 238000009412 basement excavation Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 239000004576 sand Substances 0.000 abstract description 3
- 239000004575 stone Substances 0.000 abstract description 2
- 230000036346 tooth eruption Effects 0.000 abstract 2
- 239000002245 particle Substances 0.000 abstract 1
- 239000002893 slag Substances 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 2
- 229910008947 W—Co Inorganic materials 0.000 description 1
- ATCDNCMWCPJXNQ-UHFFFAOYSA-N [Nb].[Ta].[Ti].[W] Chemical class [Nb].[Ta].[Ti].[W] ATCDNCMWCPJXNQ-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model discloses a shield constructs quick-witted tearing sword and fixing system thereof. The shield constructs quick-witted tearing sword includes: the cutter holder is provided with a first mounting groove, a second mounting groove and a third mounting groove, and the second mounting groove is positioned between the first mounting groove and the third mounting groove; the side cutting teeth comprise two side cutting teeth, namely a first side cutting tooth and a second side cutting tooth; and the middle cutting tooth is arranged in the second mounting groove and is positioned between the first side cutting tooth and the second side cutting tooth. Install the utility model discloses when the shield structure machine that tears tunnelling, the excavation face no matter is weak soil, sand bed or cobble, and the at first contact excavation face of cutter both ends carbide (side cutting tooth and middle cutting tooth) accepts abrasive particle wearing and tearing and collision. The hard alloy at the two ends of the cutter is designed into a round angle at the contact position with the slag, so that the impact from pebbles and larger stones can be well buffered without being damaged, the shape is already used, and a better using effect is achieved.
Description
Technical field
This utility model belongs to shield cutter technical field, particularly relates to a kind of shield machine tearing cutter and fixed system thereof.
Background technology
For the construction work that underground change is complex, in tunnel excavating process, it is possible to running into viscous soil horizon, powder soil horizon, sandy soils, crushed stone soil layer and marl stratum, some place has boulder bed etc. Stratum complicated and changeable above, it is desirable to cutter not only to have higher wearability, also wants to bear the probability that unexpected cobble clashes into.
In the compound stratum of sandy gravel and weak soil, hobboing cutter does not reach starting torque, and hobboing cutter can not turn the eccentric wear having resulted in cutter, and then causes tool failure.
In order to reduce cutter loss, and reduce shield in the not probability of tool changing in the driving of stratum quietly such as sandy gravel, need the tearing cutter of a kind of compound stratum geology for cobble and weak soil, this cutter can be interchangeable with original hobboing cutter completely, when the stratum that shield machine excavates softer and when being unfavorable for that hobboing cutter tunnels, it is possible to replace hobboing cutter to tunnel with this tearing cutter.
Summary of the invention
First purpose of the present utility model is to provide a kind of shield machine tearing cutter, to solve in the compound stratum of sandy gravel and weak soil, shield machine roller cutter does not reach starting torque, and hobboing cutter can not turn the eccentric wear having resulted in cutter, and then causes the technical problem of tool failure.
Second purpose of the present utility model is to provide a kind of shield machine tearing cutter fixed system.
In order to realize above-mentioned first purpose, this utility model provides a kind of shield machine tearing cutter, comprising:
Tool rest, described tool rest is provided with the first mounting groove, the second mounting groove and the 3rd mounting groove, and described second mounting groove is between the first mounting groove and the 3rd mounting groove;
Side-cutting tooth, described side-cutting tooth includes two, respectively the first side-cutting tooth and the second side-cutting tooth, the structure of the first side-cutting tooth and the second side-cutting tooth mirror image each other; Described first side-cutting tooth is arranged on described first mounting groove, and described second side-cutting tooth is arranged on the 3rd mounting groove; Described side-cutting tooth at least includes the blade of one section of arc;
Middle cutting, described middle cutting is arranged on described second mounting groove, and between described first side-cutting tooth and the second side-cutting tooth.
This utility model shield machine tearing cutter as above, further, described side-cutting tooth and the hardness of alloy used by middle cutting are more than described tool rest.
In order to realize above-mentioned second purpose, this utility model provides a kind of shield machine tearing cutter fixed system, for shield machine tearing cutter as above being fixed to the fixing voussoir of shield cutter, comprising:
Knife rest, the replaceable base cutting concrete dual-pilot cutter is fixed with described knife rest and is connected;
Fixed cover, described fixed cover is fixing with described knife rest to be connected;
Cutter shaft, the described cutter shaft described fixed cover of traverse;
Further, described knife rest is connected with the fixing voussoir of shield cutter by bolt.
The beneficial effects of the utility model are:
When being provided with the shield machine driving that this utility model is torn, excavation face whether weak soil, layer of sand or cobble, cutter two ends hard alloy (side-cutting tooth and middle cutting) first contacts excavation face, accepts abrasive wear and collision. Cutter two ends hard alloy is becoming fillet with the quarrel Position Design that contact of soil, it is possible to well buffering from cobble and relatively the impact of ratchel and be unlikely to damage, this shape has begun to use and has a better effect. Simultaneously, it is to avoid in the compound stratum of sandy gravel and weak soil, shield machine roller cutter does not reach starting torque, hobboing cutter can not turn the eccentric wear having resulted in cutter, and then causes the technical problem of tool failure.
Accompanying drawing explanation
By the detailed description made in conjunction with the following drawings, of the present utility model above-mentioned and/or other aspects and advantage will be apparent from and be easier to understand, and these accompanying drawings simply schematically, are not limiting as this utility model, wherein:
Fig. 1 is the shield machine tearing cutter schematic diagram of a kind of embodiment of this utility model;
Fig. 2 is the left side schematic diagram of Fig. 1;
Fig. 3 is the tool rest schematic diagram of a kind of embodiment of this utility model;
Fig. 4 is the shield machine tearing cutter fixed system schematic diagram of a kind of embodiment of this utility model;
Fig. 5 is the A-A profile of Fig. 4.
In accompanying drawing, the list of parts representated by each label is as follows:
1, tool rest, the 11, first retaining wall, the 12, second retaining wall, 13, third gear wall, 14, fourth gear wall, the 15, first mounting groove, 16, the second mounting groove, the 17, the 3rd mounting groove, 2, side-cutting tooth, 21, the first side-cutting tooth, the 22, second side-cutting tooth, 3, middle cutting, 4, knife rest, 5, fixed cover, 6, cutter shaft, 7, fixing voussoir, 8, bolt.
Detailed description of the invention
Hereinafter, the embodiment of shield machine tearing cutter of the present utility model and fixed system thereof is described with reference to the accompanying drawings.
Embodiment in this record is specific detailed description of the invention of the present utility model, is used for design of the present utility model is described, is all explanatory and exemplary, should not be construed as the restriction to this utility model embodiment and this utility model scope. Except except the embodiment of this record, those skilled in the art can also adopt other technical scheme apparent based on the application claims and description disclosure of that, and these technical schemes include adopting the technical scheme making any apparent substitutions and modifications to the embodiment in this record.
The accompanying drawing of this specification is schematic diagram, aids in illustrating design of the present utility model, it is schematically indicated the shape of each several part and mutual relation thereof. Note that the structure of each parts for the ease of clearly showing this utility model embodiment, do not draw according to identical ratio between each accompanying drawing.Identical reference marker is used for representing identical part.
Fig. 1 illustrates shield machine tearing cutter and the fixed system thereof of a kind of embodiment of this utility model.
In order to realize above-mentioned first purpose, this utility model provides a kind of shield machine tearing cutter, comprising:
Tool rest 1, described tool rest is provided with the first mounting groove the 15, second mounting groove 16 and the 3rd mounting groove 17, and described second mounting groove 16 is between the first mounting groove 15 and the 3rd mounting groove 17; As shown in Figure 3, tool rest includes first retaining wall the 11, second retaining wall 12, third gear wall 13 and fourth gear wall 14 successively, first retaining wall 11 and the second retaining wall 12 surround the first mounting groove 15, second retaining wall 12 and third gear wall 13 surround the second mounting groove 16, and third gear wall 13 and fourth gear wall 14 surround the 3rd mounting groove 17.
Side-cutting tooth 2, described side-cutting tooth includes two, respectively the first side-cutting tooth 21 and the second side-cutting tooth 22, the structure of the first side-cutting tooth and the second side-cutting tooth mirror image each other; Described first side-cutting tooth is arranged on described first mounting groove 15, and described second side-cutting tooth is arranged on the 3rd mounting groove 17; Described side-cutting tooth at least includes the blade of one section of arc;
Middle cutting 3, described middle cutting 3 is arranged on described second mounting groove 16, and between described first side-cutting tooth 21 and the second side-cutting tooth.
In the shield machine tearing cutter of this utility model above-described embodiment, used by described side-cutting tooth and middle cutting, the hardness of alloy is more than described tool rest, for instance described side-cutting tooth and middle cutting are hard alloy (such as W-Co kind hard alloy, kennametal, tungsten titanium tantalum (niobium) series hard alloy).
The wearability of cutter is mainly reflected in the area coverage of tool surface hard alloy (side-cutting tooth 2 and middle cutting 3), cutter is generally part the most wear-resisting by hard alloy, the hard alloy that the outer surface of cutter covers is more many, and cutter inherently more can stand the abrasion of long period.
The impact resistance of cutter, is mainly reflected in the size of hard alloy blocks (side-cutting tooth 2 and middle cutting 3), and cutter hard alloy blocks in a work direction is more big, and its ability bearing shock is more strong.
The operation principle that this utility model is torn:
During shield machine driving, excavation face whether weak soil, layer of sand or cobble. Cutter two ends hard alloy (side-cutting tooth 2 and middle cutting 3) first contacts excavation face, accepts abrasive wear and collision. Cutter two ends hard alloy is becoming fillet with the quarrel Position Design that contact of soil, it is possible to well buffering from cobble and relatively the impact of ratchel and be unlikely to damage, this shape has begun to use and has a better effect. Simultaneously, it is to avoid in the compound stratum of sandy gravel and weak soil, shield machine roller cutter does not reach starting torque, hobboing cutter can not turn the eccentric wear having resulted in cutter, and then causes the technical problem of tool failure.
The tearing cutter of above-described embodiment can be arranged on shield cutter in removable mode, when formula is arranged on shield cutter in a fixed manner, need to adopt following dual-pilot cutter fixed system, to be fixed on the fixing voussoir of shield cutter by cutting concrete dual-pilot cutter, as shown in Figure 4 and Figure 5, for the shield machine tearing cutter fixed system of a kind of embodiment of this utility model, for replaceable concrete dual-pilot cutter of cutting as above is fixed to the fixing voussoir of shield cutter, comprising:
Knife rest 4, the replaceable base cutting concrete dual-pilot cutter is fixed with described knife rest and is connected;
Fixed cover 5, described fixed cover is fixing with described knife rest to be connected;
Cutter shaft 6, the described cutter shaft described fixed cover of traverse;
Further, described knife rest is connected with the fixing voussoir 7 of shield cutter by bolt 8.
In above-described embodiment, cutter shaft has identical installation dimension with the hobboing cutter on cutter head of shield machine. The fixing voussoir (as it is shown in figure 5, knife rest both sides respectively have a fixing voussoir) of knife rest both sides for being fixed on knife rest in girff after the two ends tearing cutter shaft are fixing.
Each technical characteristic of above-mentioned disclosure is not limited to that disclosed with further feature combination, and those skilled in the art also can carry out other combination between each technical characteristic according to the purpose of invention, and the purpose to realize this utility model is as the criterion.
Claims (4)
1. a shield machine tearing cutter, it is characterised in that including:
Tool rest, described tool rest is provided with the first mounting groove, the second mounting groove and the 3rd mounting groove, and described second mounting groove is between the first mounting groove and the 3rd mounting groove;
Side-cutting tooth, described side-cutting tooth includes two, respectively the first side-cutting tooth and the second side-cutting tooth, the structure of the first side-cutting tooth and the second side-cutting tooth mirror image each other; Described first side-cutting tooth is arranged on described first mounting groove, and described second side-cutting tooth is arranged on the 3rd mounting groove; Described side-cutting tooth at least includes the blade of one section of arc;
Middle cutting, described middle cutting is arranged on described second mounting groove, and between described first side-cutting tooth and the second side-cutting tooth.
2. shield machine tearing cutter according to claim 1, it is characterised in that described side-cutting tooth and the hardness of alloy used by middle cutting are more than described tool rest.
3. shield machine tearing cutter fixed system, for the shield machine tearing cutter described in claim 1 or 2 being fixed to the fixing voussoir of shield cutter, it is characterised in that including:
Knife rest, the replaceable base cutting concrete dual-pilot cutter is fixed with described knife rest and is connected;
Fixed cover, described fixed cover is fixing with described knife rest to be connected;
Cutter shaft, the described cutter shaft described fixed cover of traverse;
Further, described knife rest is connected with the fixing voussoir of shield cutter.
4. shield machine tearing cutter fixed system according to claim 3, it is characterised in that described knife rest is connected with the fixing voussoir of shield cutter by bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520914525.6U CN205297585U (en) | 2015-11-17 | 2015-11-17 | Shield constructs quick-witted tearing sword and fixing system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520914525.6U CN205297585U (en) | 2015-11-17 | 2015-11-17 | Shield constructs quick-witted tearing sword and fixing system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205297585U true CN205297585U (en) | 2016-06-08 |
Family
ID=56463827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520914525.6U Expired - Fee Related CN205297585U (en) | 2015-11-17 | 2015-11-17 | Shield constructs quick-witted tearing sword and fixing system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205297585U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837366A (en) * | 2017-01-10 | 2017-06-13 | 辽宁三三工业有限公司 | Full face rock tunnel boring machine hobboing cutter locking device |
| CN107642365A (en) * | 2017-10-09 | 2018-01-30 | 中国铁建重工集团有限公司 | A kind of hob holder changes positioner and shield machine |
| CN107676101A (en) * | 2016-08-02 | 2018-02-09 | 上海力行工程技术发展有限公司 | For the cutter under the conditions of high abrasion geology and the shield cutter with cutter |
| CN107842370A (en) * | 2017-12-26 | 2018-03-27 | 中铁工程装备集团有限公司 | A kind of replaceable tear knife system of sand-pebble layer |
| CN109184723A (en) * | 2018-08-10 | 2019-01-11 | 淮南中泰矿山装备制造有限公司 | Pipe jacking tunnelling machine high intensity cutterhead |
| CN111894612A (en) * | 2020-08-11 | 2020-11-06 | 中铁电气化局集团有限公司 | Wear-resisting gauge protection tearing knife |
| CN113006809A (en) * | 2021-04-22 | 2021-06-22 | 中交路桥建设有限公司 | Shield tunneling machine cutter head optimization method suitable for stratum rich in large-particle-size sandy pebbles |
-
2015
- 2015-11-17 CN CN201520914525.6U patent/CN205297585U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676101A (en) * | 2016-08-02 | 2018-02-09 | 上海力行工程技术发展有限公司 | For the cutter under the conditions of high abrasion geology and the shield cutter with cutter |
| CN106837366A (en) * | 2017-01-10 | 2017-06-13 | 辽宁三三工业有限公司 | Full face rock tunnel boring machine hobboing cutter locking device |
| CN107642365A (en) * | 2017-10-09 | 2018-01-30 | 中国铁建重工集团有限公司 | A kind of hob holder changes positioner and shield machine |
| CN107642365B (en) * | 2017-10-09 | 2024-04-19 | 中国铁建重工集团股份有限公司 | Hobbing cutter blade holder replacement positioning device and shield machine |
| CN107842370A (en) * | 2017-12-26 | 2018-03-27 | 中铁工程装备集团有限公司 | A kind of replaceable tear knife system of sand-pebble layer |
| CN107842370B (en) * | 2017-12-26 | 2024-05-10 | 中铁工程装备集团有限公司 | Removable sword device that tears in sandy pebble stratum |
| CN109184723A (en) * | 2018-08-10 | 2019-01-11 | 淮南中泰矿山装备制造有限公司 | Pipe jacking tunnelling machine high intensity cutterhead |
| CN111894612A (en) * | 2020-08-11 | 2020-11-06 | 中铁电气化局集团有限公司 | Wear-resisting gauge protection tearing knife |
| CN113006809A (en) * | 2021-04-22 | 2021-06-22 | 中交路桥建设有限公司 | Shield tunneling machine cutter head optimization method suitable for stratum rich in large-particle-size sandy pebbles |
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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: 20160608 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |