CN215170009U - Wear-resisting shield of alloy piece cutter ring - Google Patents
Wear-resisting shield of alloy piece cutter ring Download PDFInfo
- Publication number
- CN215170009U CN215170009U CN202121283479.6U CN202121283479U CN215170009U CN 215170009 U CN215170009 U CN 215170009U CN 202121283479 U CN202121283479 U CN 202121283479U CN 215170009 U CN215170009 U CN 215170009U
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- cutter ring
- mounting
- fixing
- fixed
- tool bit
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- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model relates to a shield constructs quick-witted technical field, especially relates to an alloy block wear-resisting shield constructs cutter ring, include: the cutter ring body, the cutter ring body is installed on the hobbing cutter of shield structure machine blade disc, changes the portion of joining in marriage, change the portion of joining in marriage and establish the middle part at the cutter ring body, the outward appearance of portion of joining in marriage is personally submitted annular equidistance and is equipped with the fixed part, the operation cutting part, operation cutting part interference connection is in the fixed part, the operation cutting part is including mounting, tool bit and locating part, the locating part is circumference equidistance and inlays the surface of establishing at the mounting, tool bit fixed connection is in the one end of mounting, mounting and locating part are pegged graft in the fixed part, fixed orifices and spacing hole that the fixed part was seted up for the portion of joining in marriage surface of commentaries on classics, the mounting is anastomotic with the fixed orifices, the locating part is the triangle body. The utility model discloses in inserting the mounting to the fixed part, the locating part can be injectd the position of mounting, has guaranteed the fixed stability of tool bit, has improved the result of use.
Description
Technical Field
The utility model relates to a shield constructs quick-witted technical field, specifically is an alloy block wear-resisting shield cutter ring.
Background
The shield machine is a tunnel boring machine using a shield method, the basic working principle of the shield machine is that a cylindrical steel component is pushed forwards along the axis of a tunnel and excavates soil, a shell of the cylindrical component is a shield and plays a role of temporary support for an excavated tunnel section which is not lined, the shield bears the pressure of surrounding soil layers and sometimes bears underground water pressure and keeps underground water out, and the operations of excavation, soil discharge, lining and the like are carried out under the shield of the shield.
The hobbing cutter on the cutter head is a main cutter for crushing rocks of the shield tunneling machine, the cutter ring is a detachable cutting edge arranged on the cutter body of the hobbing cutter and is a main part worn by the hobbing cutter, the cutter head on the cutter ring needs to be replaced after serious wear, unstable conditions can occur after the cutter head is installed again, and the progress of construction can be influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a to prior art not enough, the utility model provides a wear-resisting shield of alloy piece constructs cutter ring possesses comparatively firm advantage, has solved the tool bit on the cutter ring and after wearing and tearing are serious, needs to be changed, and unstable condition can appear after the tool bit is installed once more, can influence the problem of the progress of construction.
In order to solve the technical problem, the utility model provides a following technical scheme: an alloy block wear-resistant shield cutter ring, comprising:
the cutter ring body is arranged on a hob of a cutter head of the shield tunneling machine.
The rotary distribution part is arranged in the middle of the cutter ring body, and the outer surface of the rotary distribution part is in an annular equidistant shape and is provided with a fixing part.
The operation edge part is connected in the fixing part in an interference mode.
The operation cutting edge part comprises a fixing part, a cutter head and a limiting part, the limiting part is embedded on the outer surface of the fixing part at equal intervals of the circumference, the cutter head is fixedly connected to one end of the fixing part, and the fixing part and the limiting part are inserted into the fixing part.
Furthermore, the fixing part is a fixing hole and a limiting hole which are formed in the outer surface of the rotating and matching part, and the fixing part is matched with the fixing hole.
Furthermore, the limiting piece is a triangle, and the limiting piece is matched with the limiting hole.
Further, the cutter head is higher than the outer surface of the rotating and matching part by 10-50 mm.
Furthermore, the fixing part is in a circular truncated cone shape, and the bottom surface of the limiting part is embedded in the side surface of the circular truncated cone.
Furthermore, the rotating and matching part and the cutter ring body are integrally formed, and the rotating and matching part is annular.
Further, the cutter ring body and the rotating part are both made of alloy steel materials, and the working edge part is made of tungsten-cobalt hard alloy.
When changing, because the shape of mounting is the round platform form, conveniently dismantle the tool bit from the portion of joining in marriage, take out a new operation cutting part, the mounting is anastomotic with the fixed orifices, can insert the mounting to the fixed orifices in, the locating part is identical with spacing hole, can make the locating part insert to spacing downthehole, the locating part can be injectd the position of mounting, the fixed stability of tool bit has been guaranteed, the fastness of tool bit connection has been increased, the tool bit can destroy the tunnelling to the ground, the excavating performance of tool bit has been improved.
Borrow by above-mentioned technical scheme, the utility model provides a wear-resisting shield of alloy piece constructs cutter ring possesses following beneficial effect at least:
1. this wear-resisting shield of novel alloy piece cutter ring, through the improvement of operation cutting part, insert the fixed part with the mounting in, the locating part can be injectd the position of mounting, has guaranteed the fixed stability of tool bit, has improved the result of use.
2. This wear-resisting shield of alloy piece cutter ring, through the improvement of mounting, the mounting is identical with the fixed orifices, can insert the mounting to the fixed orifices in, conveniently fixes the tool bit in changeing the portion of joining in marriage, and the shape of mounting is the round platform form, conveniently dismantles the tool bit from changeing the portion of joining in marriage, after the tool bit wearing and tearing are serious, is convenient for change the tool bit, has improved the result of use.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a partial structure of the present invention;
fig. 3 is a schematic view of the structure of the working blade of the present invention.
In the figure: 1. a cutter ring body; 2. a transfer part; 3. a fixed part; 301. a fixing hole; 302. a limiting hole; 4. a working blade part; 401. a fixing member; 402. a cutter head; 403. and a limiting member.
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.
Referring to fig. 1-3, an alloy block wear-resistant shield cutter ring comprises:
the shield tunneling machine is a tunnel tunneling machine using a shield method, the shield cutter ring is a detachable cutting edge arranged on a cutter body of the hobbing cutter and is a main part worn by the hobbing cutter, and the cutter body of the hobbing cutter is a main cutter for crushing rocks of the shield tunneling machine.
The rotary matching part 2 is arranged in the middle of the cutter ring body 1, the rotary matching part 2 and the cutter ring body 1 are integrally formed, the rotary matching part 2 is annular, and the outer surface of the rotary matching part 2 is annular and is provided with fixing parts 3 at equal intervals.
The working edge part 4 is connected in the fixing part 3 by interference fit with the working edge part 4.
The cutter ring body 1 and the rotating part 2 are both made of alloy steel materials, the operation blade part 4 is made of tungsten-cobalt hard alloy, and the performances of the cutter ring body 1 and the rotating part 2 are improved, so that the wear resistance of the shield cutter ring is improved, the wear degree of the shield cutter ring in the mining and digging process is reduced, the service life of the shield cutter ring is prolonged, and the maintenance and replacement cost is reduced.
The operation blade part 4 comprises a fixing part 401, a cutter head 402 and a limiting part 403, the limiting part 403 is embedded on the outer surface of the fixing part 401 at equal intervals, the fixing part 401 is in a circular truncated cone shape, the bottom surface of the limiting part 403 is embedded on the side surface of the circular truncated cone, the cutter head 402 is fixedly connected to one end of the fixing part 401, the cutter head 402 is 10-50 mm higher than the outer surface of the rotating and matching part 2, the cutter head 402 enables the outer surface of the rotating and matching part 2 to be uneven, the cutter head 402 is in contact with rock soil to generate resistance in the using process of the shield cutter ring, so that the rock and soil layers can be excavated, the fixing part 401 and the limiting part 403 are inserted into the fixing part 3, through improvement of the operation blade part 4, the limiting part 403 can limit the position of the fixing part 401, the fixing stability of the cutter head 402 is guaranteed, and the using effect is improved.
Fixed part 3 is for changeing fixed orifices 301 and spacing hole 302 that the 2 external surfaces of joining in marriage portion were seted up, mounting 401 is identical with fixed orifices 301, locating part 403 is the triangle body, locating part 403 is identical with spacing hole 302, the setting of locating part 403, the fastness of tool bit 402 connection has been increased on the one hand, on the other hand has increased the excavating property of tool bit 402, improvement through mounting 401, mounting 401 is identical with fixed orifices 301, can insert mounting 401 in fixed orifices 301, it fixes tool bit 402 on changeing and joining in marriage portion 2 to make things convenient for, and mounting 401's shape is the round platform form, it follows changeing and joins in marriage portion 2 and dismantles tool bit 402 conveniently, after tool bit 402 wearing and tearing are serious, be convenient for change tool bit 402, use effect is improved.
When the cutter head 402 is replaced, the fixing part 401 is in a circular truncated cone shape, the cutter head 402 can be conveniently detached from the rotating and matching part 2, a new operation blade part 4 is taken out, the fixing part 401 is matched with the fixing hole 301, the fixing part 401 can be inserted into the fixing hole 301, the limiting part 403 is matched with the limiting hole 302, the limiting part 403 can be inserted into the limiting hole 302, the limiting part 403 can limit the position of the fixing part 401, the fixing stability of the cutter head 402 is ensured, the connection firmness of the cutter head 402 is improved, the cutter head 402 can damage and dig the rock soil, and the digging performance of the cutter head 402 is improved.
It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (6)
1. The utility model provides an alloy block wear-resisting shield cutter ring which characterized in that includes:
the cutter ring body (1) is arranged on a hob of a cutter head of the shield tunneling machine;
the rotary distribution part (2) is arranged in the middle of the cutter ring body (1), and the outer surface of the rotary distribution part (2) is annular and is provided with fixing parts (3) at equal intervals;
the operation blade part (4), the operation blade part (4) is connected in the fixing part (3) in an interference manner;
the operation blade portion (4) is including mounting (401), tool bit (402) and locating part (403), locating part (403) are circumference equidistance and inlay the surface of establishing at mounting (401), tool bit (402) fixed connection is in the one end of mounting (401), mounting (401) and locating part (403) are pegged graft in fixed part (3).
2. An alloy block wear-resistant shield cutter ring according to claim 1, characterized in that: the fixing part (3) is a fixing hole (301) and a limiting hole (302) which are formed in the outer surface of the rotating and matching part (2), and the fixing part (401) is matched with the fixing hole (301).
3. An alloy block wear-resistant shield cutter ring according to claim 1, characterized in that: the limiting piece (403) is a triangular body, and the limiting piece (403) is matched with the limiting hole (302).
4. An alloy block wear-resistant shield cutter ring according to claim 1, characterized in that: the cutter head (402) is higher than the outer surface of the rotating and matching part (2) by 10-50 mm.
5. An alloy block wear-resistant shield cutter ring according to claim 1, characterized in that: the fixing piece (401) is in a circular truncated cone shape, and the bottom surface of the limiting piece (403) is embedded in the side surface of the circular truncated cone.
6. An alloy block wear-resistant shield cutter ring according to claim 1, characterized in that: the rotary matching part (2) and the cutter ring body (1) are integrally formed, and the rotary matching part (2) is annular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121283479.6U CN215170009U (en) | 2021-06-09 | 2021-06-09 | Wear-resisting shield of alloy piece cutter ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121283479.6U CN215170009U (en) | 2021-06-09 | 2021-06-09 | Wear-resisting shield of alloy piece cutter ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215170009U true CN215170009U (en) | 2021-12-14 |
Family
ID=79388087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121283479.6U Active CN215170009U (en) | 2021-06-09 | 2021-06-09 | Wear-resisting shield of alloy piece cutter ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215170009U (en) |
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2021
- 2021-06-09 CN CN202121283479.6U patent/CN215170009U/en active Active
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