CN213743412U - High-strength cutter head for shield machine - Google Patents
High-strength cutter head for shield machine Download PDFInfo
- Publication number
- CN213743412U CN213743412U CN202021552381.1U CN202021552381U CN213743412U CN 213743412 U CN213743412 U CN 213743412U CN 202021552381 U CN202021552381 U CN 202021552381U CN 213743412 U CN213743412 U CN 213743412U
- Authority
- CN
- China
- Prior art keywords
- tool bit
- cutter head
- coating
- alloy coating
- tungsten carbide
- 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.)
- Active
Links
Images
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model discloses a shield constructs machine high strength tool bit, including first tool bit and second tool bit, the surface of first tool bit and second tool bit all scribbles and is equipped with the zirconium alloy coating, and the outside of zirconium alloy coating is scribbled and is equipped with the tungsten carbide coating, the outside of tungsten carbide coating is scribbled and is equipped with the titanium alloy coating, and the outside of titanium alloy coating is scribbled and is equipped with the graphite alkene coating, the mounting hole has been seted up to the internal surface of first tool bit. The utility model discloses constitute by first tool bit and second tool bit, can make the second tool bit earlier with soil layer or rock contact, after the second tool bit damages, first tool bit just begins to contact with soil layer or rock, thereby its holistic life has been prolonged, set up graphite alkene coating, titanium alloy coating, tungsten carbide coating and zirconium alloy coating, can carry out four layers of wear-resisting protection to first tool bit and second tool bit, through the cooperation of above structure, the holistic intensity of this tool bit and life have effectively been improved.
Description
Technical Field
The utility model relates to a shield constructs quick-witted technical field, specifically is a shield constructs machine high strength tool bit.
Background
The shield machine is a tunnel boring machine using a shield method, the shield construction method is that the tunnel boring machine constructs (lays) a shield (referring to a supporting segment) of a tunnel while boring, and is different from an open construction method.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a shield constructs machine high strength tool bit to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a shield constructs machine high strength tool bit, includes first tool bit and second tool bit, the surface of first tool bit and second tool bit all scribbles and is equipped with the zirconium alloy coating, and the outside of zirconium alloy coating is scribbled and is equipped with the tungsten carbide coating, the outside of tungsten carbide coating is scribbled and is equipped with the titanium alloy coating, and the outside of titanium alloy coating is scribbled and is equipped with the graphite alkene coating.
Preferably, the inner surface of the first cutter head is provided with a mounting hole, and the first cutter head and the second cutter head both comprise tungsten alloy cutter heads.
Preferably, a plurality of clamping grooves are formed in the left side of the first tool bit, a plurality of clamping rods are fixedly connected to the right side of the second tool bit, and the right sides of the clamping rods are clamped in inner cavities of the clamping grooves.
Preferably, the number of the clamping grooves and the clamping rods is three, and the first tool bit and the second tool bit are connected in a laser welding mode.
Preferably, the thicknesses of the zirconium alloy coating, the tungsten carbide coating, the titanium alloy coating and the graphene coating are the same, and the thickness of the zirconium alloy coating is one hundred fifty to two hundred fifty micrometers.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model consists of a first cutter head and a second cutter head, which can lead the second cutter head to contact with the soil layer or the rock firstly, when the second cutter head is damaged, the first cutter head just begins to contact with the soil layer or the rock, thereby prolonging the service life of the whole body, the utility model is provided with a graphene coating which can improve the overall strength of the first cutter head and the second cutter head, and can carry out a first layer of wear-resistant protection on the first cutter head and the second cutter head, the titanium alloy coating is arranged, which can improve the overall strength of the first cutter head and the second cutter head, and after the graphene coating is damaged, the second layer of wear-resistant protection can be carried out on the first cutter head and the second cutter head, the tungsten carbide coating is arranged, which can improve the overall strength of the first cutter head and the second cutter head, and after the titanium alloy coating is damaged, the third layer of wear-resistant protection can be carried out on the first cutter head and the second cutter head, the zirconium alloy coating is arranged, which can improve the overall strength of the first cutter head and the second cutter head, and after the tungsten carbide coating damaged, can carry out the wear-resisting protection of fourth layer to first tool bit and second tool bit, through the cooperation of above structure, effectively improved holistic intensity of this tool bit and life.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application, and in which:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a zirconium alloy coating according to the present invention;
fig. 3 is an enlarged schematic view of the a position of the present invention.
In the figure: 1 first tool bit, 2 mounting holes, 3 kellies, 4 second tool bits, 5 zirconium alloy coatings, 6 tungsten carbide coatings, 7 titanium alloy coatings, 8 graphite alkene coatings, 9 draw-in grooves.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The parts of the first tool bit 1, the mounting hole 2, the clamping rod 3, the second tool bit 4, the zirconium alloy coating 5, the tungsten carbide coating 6, the titanium alloy coating 7, the graphene coating 8 and the clamping groove 9 are all universal standard parts or parts known by technicians in the field, and the structure and the principle of the parts are known by the technicians in the technical manual or known by a conventional experimental method.
Referring to fig. 1-3, a high-strength cutter head for a shield tunneling machine, includes a first cutter head 1 and a second cutter head 4, which are composed of the first cutter head 1 and the second cutter head 4, the second cutter head 4 can be contacted with the soil layer or the rock first, when the second cutter head 4 is damaged, the first cutter head 1 is contacted with the soil layer or the rock, so as to prolong the service life of the whole, the inner surface of the first cutter head 1 is provided with a mounting hole 2, people pass through the mounting hole 2 through a fastening screw, and install the first cutter head 1 on a cutter head, and the first cutter head 1 and the second cutter head 4 both include tungsten alloy cutter heads, the left side of the first cutter head 1 is provided with a plurality of clamping grooves 9, the right side of the second cutter head 4 is fixedly connected with a plurality of clamping bars 3, and the right side of the clamping bars 3 is clamped in the inner cavity of the clamping grooves 9, the number of the clamping grooves 9 and the clamping bars 3 are three, and the first cutter head 1 is connected with the second cutter head 4 by laser welding, the outer surfaces of the first cutter head 1 and the second cutter head 4 are respectively coated with the zirconium alloy coating 5, the overall strength of the first cutter head 1 and the second cutter head 4 can be improved, after the tungsten carbide coating 6 is damaged, the fourth layer of wear-resistant protection can be carried out on the first cutter head 1 and the second cutter head 4, the tungsten carbide coating 6 is coated on the outer side of the zirconium alloy coating 5, the overall strength of the first cutter head 1 and the second cutter head 4 can be improved, after the titanium alloy coating 7 is damaged, the third layer of wear-resistant protection can be carried out on the first cutter head 1 and the second cutter head 4, the titanium alloy coating 7 is coated on the outer side of the tungsten carbide coating 6, the overall strength of the first cutter head 1 and the second cutter head 4 can be improved, after the graphene coating 8 is damaged, the second layer of wear-resistant protection can be carried out on the first cutter head 1 and the second cutter head 4, the graphene coating 8 is coated on the outer side of the titanium alloy coating 7, the overall strength of the first cutter head 1 and the second cutter head 4 can be improved, and the first cutting head 1 and the second cutting head 4 can be subjected to a first layer of wear-resistant protection, the thicknesses of the zirconium alloy coating 5, the tungsten carbide coating 6, the titanium alloy coating 7 and the graphene coating 8 are the same, and the thickness of the zirconium alloy coating 5 is one hundred fifty to two hundred fifty micrometers.
When the tool is used, the tool comprises a first tool bit 1 and a second tool bit 4, the second tool bit 4 can be firstly contacted with a soil layer or rock, when the second tool bit 4 is damaged, the first tool bit 1 is contacted with the soil layer or the rock, so that the service life of the whole tool is prolonged, the graphene coating 8 is arranged, the integral strength of the first tool bit 1 and the second tool bit 4 can be improved, a first layer of wear-resistant protection can be performed on the first tool bit 1 and the second tool bit 4, the titanium alloy coating 7 is arranged, the integral strength of the first tool bit 1 and the second tool bit 4 can be improved, after the graphene coating 8 is damaged, a second layer of wear-resistant protection can be performed on the first tool bit 1 and the second tool bit 4, the tungsten carbide coating 6 is arranged, the integral strength of the first tool bit 1 and the second tool bit 4 can be improved, and a third layer of wear-resistant protection can be performed on the first tool bit 1 and the second tool bit 4 after the titanium alloy coating 7 is damaged, set up zirconium alloy coating 5, can improve the bulk strength of first tool bit 1 and second tool bit 4 to after tungsten carbide coating 6 damages, can carry out the wear-resisting protection of fourth layer to first tool bit 1 and second tool bit 4, through the cooperation of above structure, effectively improved holistic intensity of this tool bit and life.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a shield constructs machine high strength tool bit, includes first tool bit (1) and second tool bit (4), its characterized in that: the outer surfaces of the first cutter head (1) and the second cutter head (4) are coated with zirconium alloy coatings (5), the outer sides of the zirconium alloy coatings (5) are coated with tungsten carbide coatings (6), the outer sides of the tungsten carbide coatings (6) are coated with titanium alloy coatings (7), and the outer sides of the titanium alloy coatings (7) are coated with graphene coatings (8).
2. The high-strength cutter head for the shield tunneling machine according to claim 1, characterized in that: mounting hole (2) have been seted up to the internal surface of first tool bit (1), and first tool bit (1) and second tool bit (4) all include the tungsten alloy tool bit.
3. The high-strength cutter head for the shield tunneling machine according to claim 1, characterized in that: a plurality of draw-in grooves (9) have been seted up in the left side of first tool bit (1), a plurality of kellies (3) of right side fixedly connected with of second tool bit (4), and the right side joint of kellies (3) is in the inner chamber of draw-in groove (9).
4. The high-strength cutter head for the shield tunneling machine according to claim 3, wherein: the number of the clamping grooves (9) and the clamping rods (3) is three, and the first tool bit (1) is connected with the second tool bit (4) in a laser welding mode.
5. The high-strength cutter head for the shield tunneling machine according to claim 1, characterized in that: the thicknesses of the zirconium alloy coating (5), the tungsten carbide coating (6), the titanium alloy coating (7) and the graphene coating (8) are the same, and the thickness of the zirconium alloy coating (5) is one hundred fifty to two hundred fifty micrometers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021552381.1U CN213743412U (en) | 2020-07-30 | 2020-07-30 | High-strength cutter head for shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021552381.1U CN213743412U (en) | 2020-07-30 | 2020-07-30 | High-strength cutter head for shield machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213743412U true CN213743412U (en) | 2021-07-20 |
Family
ID=76839076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021552381.1U Active CN213743412U (en) | 2020-07-30 | 2020-07-30 | High-strength cutter head for shield machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213743412U (en) |
-
2020
- 2020-07-30 CN CN202021552381.1U patent/CN213743412U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ITTO940487A1 (en) | DRILLING CHISEL WITH HARD SURFACE TOOTH STRUCTURE | |
| ITTO970713A1 (en) | DRILLING DRILL WITH A PERFECTED TOOTH STRUCTURE WITH HARD COATING | |
| CN213743412U (en) | High-strength cutter head for shield machine | |
| CN108213624A (en) | A kind of electric-spark drilling and the tool and method of reaming Compound Machining elongated hole | |
| CN213729547U (en) | Deep hole processing drilling reamer | |
| CN213775380U (en) | Corrosion-resistant shield constructs machine knife head | |
| CN206983008U (en) | A kind of novel diamond thin-wall drill bit | |
| CN212689929U (en) | Novel oil drilling PDC drill bit | |
| CN213002884U (en) | Corrosion-resistant numerical control milling cutter | |
| CN211071950U (en) | Two-sided spacing drilling rod of interchangeable point of drilling of passing locking to one side | |
| CN207119828U (en) | A kind of deep hole drill | |
| CN213288814U (en) | Coating alloy drill bit | |
| CN212976853U (en) | High-wear-resistance C-shaped drill bit | |
| CN212191427U (en) | Milling cutter that wearability is strong | |
| CN218439236U (en) | Drill bit with long service life | |
| CN213510594U (en) | Milling cutter for mining | |
| CN211071860U (en) | Coated cutter | |
| CN210587224U (en) | Coated cutting tool with wear-resistant and oxidation-resistant coating | |
| CN216517987U (en) | Rotary assembly type cutting tooth | |
| CN210359435U (en) | High-strength twist drill | |
| CN209665911U (en) | A kind of high efficiency high life shovel wall drill head | |
| CN213743411U (en) | Reinforced shield machine cutter head | |
| CN214108928U (en) | Novel cross glass bores | |
| CN211218725U (en) | High-speed cutting boring cutter with composite coating | |
| CN212793236U (en) | High-hardness spliced milling cutter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230105 Address after: No. 18, Heyetang Group, Shuangfeng Community, Xuelin Office, Yunlong Demonstration Zone, Zhuzhou City, Hunan Province, 412000 Patentee after: Hunan Boyuan Shield Construction Machinery Co.,Ltd. Address before: 226000 No.2 Xisi Road, Chongchuan District, Nantong City, Jiangsu Province Patentee before: Li Yu |