CN211924167U - A arris type alloy tooth structure for inlaying tooth hobbing cutter ring - Google Patents
A arris type alloy tooth structure for inlaying tooth hobbing cutter ring Download PDFInfo
- Publication number
- CN211924167U CN211924167U CN202020426285.6U CN202020426285U CN211924167U CN 211924167 U CN211924167 U CN 211924167U CN 202020426285 U CN202020426285 U CN 202020426285U CN 211924167 U CN211924167 U CN 211924167U
- Authority
- CN
- China
- Prior art keywords
- alloy tooth
- alloy
- tooth body
- rhombus
- cutter ring
- 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 relates to a shield constructs cutter field for equipment, specific theory relates to an edge type alloy tooth structure for inlaying tooth hobbing cutter sword circle, include cutter ring body, annular wearing layer, rhombus alloy tooth body and alloy intertooth wearing layer, annular wearing layer install in cutter ring body both sides position and link to each other with cutter ring body is fixed, the cutter ring body on be provided with rhombus alloy tooth body mounting hole, the utility model discloses a design into the inner wall profile of annular wearing layer with the lateral wall profile and the cutting edge lateral wall profile of rhombus alloy tooth body unanimous to make the inner wall of annular wearing layer closely link to each other with the lateral wall and the cutting edge lateral wall of rhombus alloy tooth body, very big improvement the intensity of hobbing cutter sword circle blade and cut the ability of stratum into.
Description
Technical Field
The utility model relates to a shield constructs the cutter field for the equipment, specific theory relates to an arris type alloy tooth structure for inlaying tooth hobbing cutter ring.
Background
The shield machine is a special engineering machine for tunneling, integrates light, mechanical, electrical, hydraulic, sensing and information technologies, has the functions of excavating and cutting soil, conveying soil slag, assembling tunnel lining, measuring, guiding, correcting deviation and the like, relates to multiple subject technologies such as geology, construction, machinery, mechanics, hydraulic pressure, electricity, control, measurement and the like, and is designed and manufactured in a 'body-measuring clothes-cutting' mode according to different geology, and has extremely high reliability requirement. The shield tunneling machine is widely used for tunnel engineering of subway, railway, highway, municipal administration, hydropower and the like. 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, the shell of the cylindrical component, namely a shield, plays a role of temporary support for an excavated tunnel section which is not yet lined, bears the pressure of a surrounding soil layer, sometimes bears underground water pressure and keeps underground water out, the operations of excavating, soil discharging, lining and the like are carried out under the shield of the shield, a disc cutter is one of key parts in a cutter head of the shield machine and is also a main working part of the cutter head, and the cutter can encounter various different strata in underground excavation, from silt, clay, sand layers to soft rock, hard rock and the like. In excavation, the hob is stressed complexly, the working environment is severe, and the hob is a part needing key inspection and maintenance. The structure of the cutter disc hob is related to the excavation efficiency, the service life and the cutter cost of the shield. The cutter disc hobbing cutter structural style of the shield has a close relation with the engineering geological condition, different cutter disc structural styles are adopted for different stratums, the design of the cutter disc hobbing cutter of the shield is a key shield technology, the proper type of the cutter disc hobbing cutter is a key factor for smooth construction of the shield, when the existing shield machine tunnels in uneven soft and hard stratums, the cutting edge of the cutter ring of the hobbing cutter is frequently abraded and broken quickly due to impact, so that the service life of the cutter ring of the hobbing cutter is shortened sharply, the tunneling distance of the hobbing cutter is greatly reduced, the construction efficiency of the shield machine is influenced, and the use requirements of people cannot be met.
Disclosure of Invention
Aiming at the problems that when the existing shield machine tunnels in uneven hardness and high strata, the cutting edge of a hob cutter ring is often rapidly worn and broken due to impact, so that the service life of the hob cutter ring is rapidly shortened, and the construction efficiency of the shield machine is influenced, the utility model provides an edge-shaped alloy tooth structure for an inserted hob cutter ring, which adopts the following technical scheme that the edge-shaped alloy tooth structure for the inserted hob cutter ring comprises a cutter ring body, an annular wear-resistant layer, diamond-shaped alloy tooth bodies and alloy inter-tooth wear-resistant layers, wherein the annular wear-resistant layers are arranged at two sides of the cutter ring body and are connected with the cutter ring body in a welding way, the cutter ring body is provided with diamond-shaped alloy tooth body mounting holes, the lower parts of the diamond-shaped alloy tooth bodies are arranged in the diamond-shaped alloy tooth body mounting holes on the cutter ring body and are in interference fit with the diamond-shaped alloy tooth body mounting holes, the cutter ring body is uniformly provided with cutting edges, and the alloy inter-tooth wear-resistant layer is arranged on the rhombic alloy tooth body and the cutting edges and is tightly attached and connected with the rhombic alloy tooth body and the cutting edges respectively;
the outer side wall of the rhombic alloy tooth body is connected with the side wall of the cutting edge;
the inner wall profile of the alloy inter-tooth wear-resistant layer is consistent with the outer side wall profile of the rhombic alloy tooth body;
the inner wall profile of the alloy interdental wear-resistant layer is consistent with the profile of the side wall of the blade;
the inner wall of the alloy inter-tooth wear-resistant layer is tightly connected with the outer side wall of the rhombic alloy tooth body and the side wall of the cutting edge;
the section of the upper part of the rhombic alloy tooth body is of a semi-rhombic structure, the lower part of the rhombic alloy tooth body is of a cylindrical structure body, the outer side wall of the cylindrical structure body is in interference fit with the mounting hole of the rhombic alloy tooth body, and the upper part of the rhombic alloy tooth body is tightly matched with the cutter ring body;
the lower part of the rhombic alloy tooth body is provided with a stress release semicircular hole;
an arc transition chamfer is processed on the upper part of the rhombic alloy tooth body;
the utility model has the advantages that: the utility model discloses the arris type alloy tooth structure global design science of the inserted tooth hobbing cutter sword circle of structure, production and processing technology is simple and convenient, the utility model discloses a design the inner wall profile of annular wearing layer into with the lateral wall profile and the cutting edge lateral wall profile of rhombus alloy tooth body unanimous, thereby make the inner wall of annular wearing layer closely link to each other with the lateral wall and the cutting edge lateral wall of rhombus alloy tooth body, very big improvement the intensity of hobbing cutter sword circle blade and the ability of cutting into the stratum, when making the shield structure machine tunnel in soft or hard inequality and high stratum, avoided the hobbing cutter sword circle blade because of receiving the striking and wearing and tearing fast, the emergence of the fracture condition, the life of hobbing cutter sword circle has been improved, the efficiency of construction of shield structure machine has been guaranteed, people's use needs have been satisfied.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention during installation;
FIG. 2 is a schematic view of the present invention showing a partially enlarged structure during installation;
FIG. 3 is a schematic structural view of a diamond-shaped alloy tooth body of the present invention;
FIG. 4 is a schematic structural view of the interdental wear layer of the present invention;
FIG. 5 is a schematic view of the structure of the blade of the present invention;
FIG. 6 is a schematic view of a partial structure of a diamond-shaped alloy tooth body of the present invention mounted on a cutter ring body;
the reference numbers in the figures are: 1-cutter ring body, 2-annular wear-resistant layer, 3-rhombus alloy tooth body, 4-alloy inter-tooth wear-resistant layer, 5-rhombus alloy tooth body mounting hole, 6-outer side wall of rhombus alloy tooth body, 7-inner wall of alloy inter-tooth wear-resistant layer, 8-blade side wall, 9-upper part of rhombus alloy tooth body, 10-lower part of rhombus alloy tooth body, 11-stress release semicircular hole and 12-arc transition chamfer.
Detailed Description
Specific example 1: the core of the utility model is to provide an edge type alloy tooth structure for inlaying tooth hobbing cutter sword circle, it is unanimous with the lateral wall profile and the cutting edge lateral wall profile of rhombus alloy tooth body through designing the inner wall profile of annular wearing layer, makes the inner wall of annular wearing layer closely link to each other with the lateral wall and the cutting edge lateral wall of rhombus alloy tooth body, very big improvement the intensity of hobbing cutter sword circle blade and the ability of cutting into the stratum, for making this technical field's personnel understand better the technical scheme of the utility model, it is right with specific implementation mode below combining the description drawing the utility model discloses make further detailed description, it needs to explain, is called "being fixed in" or "setting up in" another component when the component, it can be directly or connect on another component within a definite time. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "left" and "right" used in this specification to denote orientation are used with reference to a particular structure shown in the drawings, and do not constitute a limitation on the structure. Aiming at the problem that when the existing shield machine tunnels in uneven hardness and high strata, the cutting edge of a hob cutter ring is often rapidly worn and broken due to impact, so that the service life of the hob cutter ring is rapidly shortened, and the construction efficiency of the shield machine is influenced, as shown in the attached drawings 1-6 of the specification, the utility model provides an edge-shaped alloy tooth structure for an inserted hob cutter ring, which mainly comprises a cutter ring body 1 for installing a diamond-shaped alloy tooth body 3, an annular wear-resistant layer 2 for preventing the side surface of the cutter ring body 1 from being worn, a diamond-shaped alloy tooth body 3 and an alloy inter-tooth wear-resistant layer 4, wherein the annular wear-resistant layer 2 is welded at two sides of the cutter ring body 1, the cutter ring body 1 is provided with diamond-shaped alloy tooth body installation holes 5 for installing the diamond-shaped alloy tooth body 3, and the diamond-shaped alloy tooth body 3 consists of an upper part 9 of the diamond-shaped alloy tooth body and a lower part 10 of, the section of the upper part 9 of the rhombus alloy tooth body is of a semi-rhombus structure, the rhombus structure can effectively improve the lateral force prevention capability of the rhombus alloy tooth body 3, the lower part of the rhombus alloy tooth body is of a cylindrical structure body, the outer side wall of the cylindrical structure body is in interference fit with the mounting hole 5 of the rhombus alloy tooth body, the upper part 9 of the rhombus alloy tooth body is in close fit (small clearance fit) with the cutter ring body 1, blades are uniformly distributed on the cutter ring body 1, the outer side wall 6 of the rhombus alloy tooth body is connected with the blade side wall 8 into a whole, the contour of the inner wall 7 of the alloy inter-tooth wear-resistant layer is consistent with the contour of the outer side wall 6 of the rhombus alloy tooth body and the contour of the blade side wall 8, the alloy inter-tooth wear-resistant layer 4 is arranged on the rhombus alloy tooth body 3 and the blades and is respectively in close fit connection with the rhombus alloy tooth body 3, thereby very big improvement the hobbing cutter cut into the ability of rock stratum, the utility model discloses wholly adopt carbide material, have good shock resistance in concrete use, avoid rim body 1 to receive the striking and lead to rim body 1 to fall the piece, fracture in bad stratum, simultaneously the utility model provides a first half adoption rim sword shape cross-section (cutting edge cross-section) of arris type alloy tooth body 3, make the upper portion 9 of arris type alloy tooth laminate with rim sword shape (cutting edge) completely, guaranteed that hobbing cutter rim body 1 has good rotation performance and working strength, moreover, this kind of novel structure makes when the inserted tooth rim is under construction in soft uneven stratum (especially adapted to in the uneven stratum of soft and hard and particle diameter 500 mm's boulder stratum construction), has improved the life of inserted tooth rim, has reduced construction cost and has improved the efficiency of construction.
Specific example 2: in order to make the utility model discloses have better result of use, on concrete embodiment 1's basis, the utility model discloses processing has stress release semicircle orifice 11 in the lower part 10 of rhombus alloy tooth body, has the excessive chamfer 12 of arc in the upper portion 9 processing of rhombus alloy tooth body, stress when stress release semicircle orifice 11 can release rhombus alloy tooth body 3 processing installation uses, and the excessive chamfer 12 of arc can improve the convenience when installing alloy intertooth space wearing layer 4. The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.
Claims (8)
1. The utility model provides an arris type alloy tooth structure for inlaying tooth hobbing cutter ring, a serial communication port, including cutter ring body, annular wearing layer, rhombus alloy tooth body and the intertooth wearing layer of alloy, annular wearing layer install in cutter ring body both sides position and link to each other through the welding mode with the cutter ring body, the cutter ring body on be provided with rhombus alloy tooth body mounting hole, rhombus alloy tooth body lower part install in the rhombus alloy tooth body mounting hole on the cutter ring body and with rhombus alloy tooth body mounting hole interference fit, the cutter ring body on the equipartition have the cutting edge, alloy intertooth wearing layer install on rhombus alloy tooth body and cutting edge and closely laminate respectively with rhombus alloy tooth body and cutting edge and link to each other.
2. A prismatic alloy tooth construction for an inserted hob ring according to claim 1, characterized in that the outer side wall of said rhombus alloy tooth body is connected to the blade side wall.
3. An edged alloy tooth structure for an insert hob ring according to claim 1, characterized in that the inner wall profile of the wear layer between the alloy teeth is identical to the outer wall profile of the diamond-shaped alloy tooth body.
4. An alloy tooth construction of prismatic type for an insert hob ring according to claim 1, characterized in that the inner wall profile of said wear layer between the alloy teeth is identical to the edge side wall profile.
5. An edged alloy tooth structure for an inserted hob ring according to claim 1, characterized in that the inner wall of the wear resistant layer between the alloy teeth is tightly connected with the outer side wall of the diamond-shaped alloy tooth body and the side wall of the cutting edge.
6. A prismatic alloy tooth structure for an inserted hob ring according to claim 1, characterized in that the section of the upper part of the rhombic alloy tooth body is a semi-rhombic structure, the lower part of the rhombic alloy tooth body is a cylindrical structure, the outer side wall of the cylindrical structure is in interference fit with the mounting hole of the rhombic alloy tooth body, and the upper part of the rhombic alloy tooth body is in tight fit with the ring body.
7. A prismatic alloy tooth structure for an inserted hob ring according to claim 1, characterized in that the lower part of said rhombic alloy tooth body is provided with a stress relief semicircular hole.
8. A prismatic alloy tooth structure for an inserted hob ring according to claim 1, characterized in that the upper part of said rhombic alloy tooth body is machined with an arc-shaped transition chamfer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020426285.6U CN211924167U (en) | 2020-03-30 | 2020-03-30 | A arris type alloy tooth structure for inlaying tooth hobbing cutter ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020426285.6U CN211924167U (en) | 2020-03-30 | 2020-03-30 | A arris type alloy tooth structure for inlaying tooth hobbing cutter ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211924167U true CN211924167U (en) | 2020-11-13 |
Family
ID=73349042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020426285.6U Active CN211924167U (en) | 2020-03-30 | 2020-03-30 | A arris type alloy tooth structure for inlaying tooth hobbing cutter ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211924167U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112696204A (en) * | 2021-02-03 | 2021-04-23 | 洛阳九久科技股份有限公司 | Rhombic cap-shaped tooth cutter ring and manufacturing process thereof |
-
2020
- 2020-03-30 CN CN202020426285.6U patent/CN211924167U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112696204A (en) * | 2021-02-03 | 2021-04-23 | 洛阳九久科技股份有限公司 | Rhombic cap-shaped tooth cutter ring and manufacturing process thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203977488U (en) | Abrasion member | |
| US8007049B2 (en) | Breaking or excavating tool with cemented tungsten carbide insert and ring | |
| CN203924201U (en) | Keep assembly | |
| CN104562905B (en) | Chisel turning device and abrasionproof for ground milling machine are dug | |
| CN103874808B (en) | Excavator claw and body for excavator claw | |
| CN211924167U (en) | A arris type alloy tooth structure for inlaying tooth hobbing cutter ring | |
| CN211370403U (en) | Wear-resistant hobbing cutter ring with alloy teeth | |
| CN204898448U (en) | Railway ballast excavates rake teeth | |
| CN209082586U (en) | Milling wheel device and ditcher for ditching | |
| CN104963249A (en) | Rabble blade for excavating railway ballast | |
| CN216110719U (en) | Cutter of tunneling machine | |
| JP6532434B2 (en) | Excavator roller cutter and excavator including the same | |
| CN213297978U (en) | Novel cutter ring of atmospheric hobbing cutter of large-diameter slurry shield machine | |
| CN213016364U (en) | High-strength rotary digging tooth | |
| CN212249856U (en) | Composite drill bit with blade reinforcing structure | |
| CN209761435U (en) | Cutter device of shield tunnel boring machine | |
| CN215170009U (en) | Wear-resisting shield of alloy piece cutter ring | |
| CN212803237U (en) | Shield cutter structure suitable for upper soft and lower hard stratum | |
| CN206408663U (en) | A kind of forklift scraper bowl | |
| CN202450568U (en) | Novel hard alloy excavator bucket tooth | |
| CN112554801A (en) | Composite drill bit with blade reinforcing structure | |
| CN214303840U (en) | Hobbing cutter suitable for uneven soft or hard stratum | |
| CN214997667U (en) | Wear-resistant protection device for cutter head outer ring beam of full-face tunneling machine | |
| CN218030049U (en) | Novel high-strength and high-resistance reamer palm tip | |
| CN2375753Y (en) | Single-roller bit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |