CN215108906U - Shield constructs machine cutter for subway construction - Google Patents
Shield constructs machine cutter for subway construction Download PDFInfo
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- CN215108906U CN215108906U CN202120969053.XU CN202120969053U CN215108906U CN 215108906 U CN215108906 U CN 215108906U CN 202120969053 U CN202120969053 U CN 202120969053U CN 215108906 U CN215108906 U CN 215108906U
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- cutter
- blade
- mounting plate
- cutter mounting
- fastening mechanism
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Abstract
The utility model provides a pair of shield constructs machine cutter for subway construction, including first cutter mounting panel, cutter, second cutter mounting panel, screw thread fastening device. The first cutter mounting plate is arranged on a cutter head of the shield tunneling machine. The cutter sets up on first cutter mounting panel, and the cutter includes the main part board and sets up a plurality of blades on the main part board, and the blade includes thick end and thin end, diminishes by the thickness of thick end to thin end gradually on the blade, and the thin end of blade is blade pivoted front end. The second cutter mounting plate is provided with a blade hole, a blade of the cutter is matched in the blade hole, and the second cutter mounting plate is matched on one side, far away from the first cutter mounting plate, of the cutter. The thread fastening mechanism is arranged on the first cutter mounting plate, the cutter and the second cutter mounting plate in a penetrating mode. The shield machine knife for subway construction that this embodiment provided has and makes the fixed more firm and cutter non-deformable impaired advantage of cutter.
Description
Technical Field
The utility model relates to a shield constructs the quick-witted field, especially relates to a subway construction is with shield constructs quick-witted cutter.
Background
The shield machine is named as a shield tunnel tunneling machine, is a special engineering machine for tunneling, and becomes the most advanced underground tunnel tunneling machine in the world at present through continuous improvement and development. The construction method integrates the mechanical, electrical, hydraulic, sensing and information technologies, can operate under the condition of not influencing the ground condition, greatly improves the construction efficiency and safety, reduces the cost compared with the traditional construction mode, and is widely applied to tunnel engineering of subways, railways, highways, municipal works, hydropower and the like. The shield machine realizes deflection of the shield body within a certain angle range by controlling the extension of the hinged oil cylinder in the tunneling process, and accurately controls the tunneling direction of the tunnel. When the shield machine is used for tunneling, the prior cutter on the cutter head of the shield machine needs to pre-loosen the rock so as to facilitate further excavation of various subsequent cutters, the prior cutter needs to be thin enough to pre-loosen the rock layer, but the thin prior cutter has the defect of easy bending deformation, and the prior cutter is subjected to large impact when pre-loosening the rock layer, so that the prior cutter is easy to loosen and even fall off from the cutter head.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a subway construction is with shield structure machine cutter for solve among the prior art subway construction and take place to warp and receive the technical problem that the impact drops from the blade disc easily with the preceding sword in the shield structure machine cutter.
In order to achieve the above object, the utility model adopts the following technical scheme: provided is a shield machine cutter for subway construction, which is used as a leading cutter on a shield machine, and is characterized by comprising:
the first cutter mounting plate is arranged on a cutter head of the shield tunneling machine;
the cutter is arranged on the first cutter mounting plate and comprises a main body plate and a plurality of blades arranged on the main body plate, each blade comprises a thick end and a thin end, the thickness from the thick end to the thin end on each blade is gradually reduced, and the thin end of each blade is the rotating front end of each blade;
the second cutter mounting plate is provided with a cutter blade hole, a cutter blade of the cutter is matched in the cutter blade hole, and the second cutter mounting plate is matched on one side, far away from the first cutter mounting plate, of the cutter;
a screw fastening mechanism, the screw fastening mechanism link up set up in first cutter mounting panel the cutter and on the second cutter mounting panel, the screw fastening mechanism be used for with first cutter mounting panel the cutter and the second cutter mounting panel is fixed.
In one embodiment, the first tool mounting plate and the second tool mounting plate are provided with threaded holes for cooperating with the threaded fastening mechanism, and the threaded holes are used for improving the fastening force given by the threaded fastening mechanism.
In one embodiment, the threaded fastening mechanism comprises:
the stud is provided with threads and is arranged on the first cutter mounting plate, the cutter and the second cutter mounting plate in a penetrating manner;
and the nuts are arranged at two ends of the stud.
In one embodiment, the insert includes a primary insert and a wear layer overlying an outer surface of the primary insert.
In one embodiment, the wear layer material is made of high manganese steel.
In one embodiment, at least one separate threaded fastening mechanism is disposed between adjacent blades.
The embodiment of the present invention provides one or more technical solutions, which at least have the following technical effects or advantages:
the embodiment of the utility model provides a pair of shield constructs machine cutter for subway construction, including first cutter mounting panel, cutter, second cutter mounting panel, screw thread fastening mechanism. The first cutter mounting plate is arranged on a cutter head of the shield tunneling machine. The cutter sets up on first cutter mounting panel, and the cutter includes the main part board and sets up a plurality of blades on the main part board, and the blade includes thick end and thin end, diminishes by the thickness of thick end to thin end gradually on the blade, and the thin end of blade is blade pivoted front end. The second cutter mounting plate is provided with a blade hole, a blade of the cutter is matched in the blade hole, and the second cutter mounting plate is matched on one side, far away from the first cutter mounting plate, of the cutter. The thread fastening mechanism is arranged on the first cutter mounting plate, the cutter and the second cutter mounting plate in a penetrating mode and used for fixing the first cutter mounting plate, the cutter and the second cutter mounting plate. The first cutter mounting plate and the second cutter mounting plate are adopted to clamp the cutter, the thread fastening mechanism is adopted to fix the cutter, and the blade on the cutter is matched into the blade hole, so that the cutter is more firmly fixed on the mounting plate, and the impact resistance of the advanced cutter is improved. And because the blade on the cutter comprises the thick end and the thin end, and the thin end is arranged at the front end of the blade in the running direction, when the cutter loosens the rock layer in advance, the thin end of the blade is firstly inserted into the gap of the rock layer, and then the thick end of the blade goes deep into the gap of the rock, so that the loosening effect is improved. And the thicker thick end can make the blade not easy to deform, thereby prolonging the service life of the blade.
To sum up, the embodiment of the utility model provides a shield constructs machine knife for subway construction has and makes the fixed more firm and cutter non-deformable impaired advantage of cutter.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of a shield tunneling machine cutter for subway construction provided in an embodiment of the present invention;
FIG. 2 is a right side view of FIG. 1;
fig. 3 is a cross-sectional view taken at a-a in fig. 1.
Wherein the reference numerals are as follows:
1. a first tool mounting plate; 2. a cutter; 3. a second cutter mounting plate; 4. a screw fastening mechanism; 21. a main body plate; 22. a blade; 31. a blade hole; 41. a stud; 42. a nut; 221. a main blade; 222. and a wear-resistant layer.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1 to 3, an embodiment of the present application provides a shield tunneling machine cutter 2 for subway construction, including a first cutter mounting plate 1, a cutter 2, a second cutter mounting plate 3, and a thread fastening mechanism 4. The first cutter mounting plate 1 is arranged on a cutter head of the shield tunneling machine. The cutter 2 is arranged on the first cutter mounting plate 1, the cutter 2 comprises a main body plate 21 and a plurality of blades 22 arranged on the main body plate 21, the blades 22 comprise thick ends and thin ends, the thickness from the thick ends to the thin ends on the blades 22 is gradually reduced, and the thin ends of the blades 22 are the rotating front ends of the blades 22. The second tool mounting plate 3 is provided with a blade hole 31, the blade 22 of the tool 2 is fitted in the blade hole 31, and the second tool mounting plate 3 is fitted to the side of the tool 2 away from the first tool mounting plate 1. The screw fastening mechanism 4 is provided to penetrate the first tool mounting plate 1, the tool 2, and the second tool mounting plate 3, and the screw fastening mechanism 4 is used to fix the first tool mounting plate 1, the tool 2, and the second tool mounting plate 3. The first cutter mounting plate 1 and the second cutter mounting plate 3 are used for clamping the cutter 2, the threaded fastening mechanism 4 is used for fixing the cutter 2, and the blade 22 on the cutter 2 is matched into the blade hole 31, so that the cutter 2 is more firmly fixed on the mounting plates, and the impact resistance of the advanced cutter is improved. And because the blade 22 on the cutter 2 comprises a thick end and a thin end, and the thin end is arranged at the front end of the blade 22 in the running direction, when the rock layer is pre-loosened by the cutter in advance, the thin end of the blade 22 is firstly inserted into the gap of the rock layer, and then the thick end of the blade 22 goes deep into the gap of the rock, so that the pre-loosening effect is improved. And the thicker thick end can make the blade 22 not easy to deform, thereby improving the service life of the blade 22. In conclusion, the shield machine cutter 2 for subway construction provided by the embodiment has the advantages that the cutter 2 is more firmly fixed and the cutter 2 is not easy to deform and damage.
In one embodiment, the first tool mounting plate 1 and the second tool mounting plate 3 are provided with threaded holes for cooperating with the threaded fastening mechanism 4, and the threaded holes are used for improving the fastening force given by the threaded fastening mechanism 4. By arranging the threaded holes on the first tool mounting plate 1 and the second tool mounting plate 3, the high-thread fastening mechanism 4 is more firmly connected with the first tool mounting plate 1 and the second tool mounting plate 3, and the tool 2 can be more firmly fixed between the first tool mounting plate 1 and the second tool mounting plate 2.
In one embodiment, the threaded fastening mechanism 4 includes a stud 41, a nut 42. The screw 41 is provided with a thread, the screw 41 is arranged on the first tool mounting plate 1, the tool 2 and the second tool mounting plate 3 in a penetrating manner, the nuts 42 are arranged at two ends of the screw 41, and when the tool is fastened, the nuts 42 at the two ends move towards the middle by rotating the nuts 42 at the two ends of the screw 41, so that the tool 2 in the middle is fastened, and the tool 2 is prevented from falling off from the cutter head.
In one embodiment, the blade 22 includes a main blade 221 and a wear layer 222 covering an outer surface of the main blade 221. By arranging the wear-resistant layer 222 on the outer part of the blade 22 body, the wear-resistant layer 222 on the outer surface of the cutter 2 body can protect the blade 22 body on the inner part from being worn when the blade 22 is used for tunneling, thereby prolonging the service life of the blade 22. In one embodiment, the wear layer 222 is made of high manganese steel.
In one embodiment, at least one separate threaded fastening mechanism 4 is provided between adjacent blades 22. By arranging at least one independent thread fastening mechanism 4 between the adjacent blades 22, the connection between the cutter 2 and the first cutter mounting plate 1 and the second cutter mounting plate 3 is firmer, the probability that the cutter 2 falls off from the cutter 2 mounting plate is further reduced, and the impact resistance of the cutter 2 is improved.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A shield machine cutter for subway construction is used as a leading cutter on a shield machine, and is characterized by comprising the following components:
the first cutter mounting plate is arranged on a cutter head of the shield tunneling machine;
the cutter is arranged on the first cutter mounting plate and comprises a main body plate and a plurality of blades arranged on the main body plate, each blade comprises a thick end and a thin end, the thickness from the thick end to the thin end on each blade is gradually reduced, and the thin end of each blade is the rotating front end of each blade;
the second cutter mounting plate is provided with a cutter blade hole, a cutter blade of the cutter is matched in the cutter blade hole, and the second cutter mounting plate is matched on one side, far away from the first cutter mounting plate, of the cutter;
a screw fastening mechanism, the screw fastening mechanism link up set up in first cutter mounting panel the cutter and on the second cutter mounting panel, the screw fastening mechanism be used for with first cutter mounting panel the cutter and the second cutter mounting panel is fixed.
2. The shield tunneling machine cutter for subway construction according to claim 1, wherein:
first cutter mounting panel and all be provided with the screw hole on the second cutter mounting panel, the screw hole be used for with screw fastening mechanism cooperates, the screw hole is used for improving the fastening force that screw fastening mechanism gave.
3. The shield tunneling machine cutter for subway construction according to claim 1, wherein said screw fastening mechanism comprises:
the stud is provided with threads and is arranged on the first cutter mounting plate, the cutter and the second cutter mounting plate in a penetrating manner;
and the nuts are arranged at two ends of the stud.
4. The shield tunneling machine cutter for subway construction according to claim 1, wherein:
the blade comprises a main blade and a wear-resistant layer covering the outer surface of the main blade.
5. The shield tunneling machine cutter for subway construction according to claim 4, wherein:
the wear-resistant layer is made of high manganese steel.
6. The shield tunneling machine cutter for subway construction according to claim 1, wherein:
at least one independent thread fastening mechanism is arranged between the adjacent blades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120969053.XU CN215108906U (en) | 2021-05-08 | 2021-05-08 | Shield constructs machine cutter for subway construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120969053.XU CN215108906U (en) | 2021-05-08 | 2021-05-08 | Shield constructs machine cutter for subway construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215108906U true CN215108906U (en) | 2021-12-10 |
Family
ID=79294811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120969053.XU Active CN215108906U (en) | 2021-05-08 | 2021-05-08 | Shield constructs machine cutter for subway construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215108906U (en) |
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2021
- 2021-05-08 CN CN202120969053.XU patent/CN215108906U/en active Active
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