CN202745874U - Stacked combined six-cutter structure for rectangular heading machine - Google Patents
Stacked combined six-cutter structure for rectangular heading machine Download PDFInfo
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- CN202745874U CN202745874U CN 201220257418 CN201220257418U CN202745874U CN 202745874 U CN202745874 U CN 202745874U CN 201220257418 CN201220257418 CN 201220257418 CN 201220257418 U CN201220257418 U CN 201220257418U CN 202745874 U CN202745874 U CN 202745874U
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Abstract
A stacked combined six-cutter structure for a rectangular heading machine comprises three convex cutters (1), three concave cutters (2) and a shield casing (10), and is characterized in that the three convex cutters (1) and the three concave cutters (2) are arrayed into two horizontal rows; the middle part of the upper row is one concave cutter (2), and the two convex cutters (1) are arranged on the left and the right of the concave cutter (2) in an adjacent way; and the middle part of the lower row is one convex cutter (1), and the two concave cutters (2) are arranged on the left and the right of the convex cutter (1) in an adjacent way; and the three convex cutters (1) are identical with the three concave cutters (2) in cutter diameter. The cutting area of the combined six-cutter structure can amount to more than 95% of the rectangular cross-section area.
Description
Technical field
The utility model relates to stacked combined type six cutter head structures of a kind of rectangle development machine, and a kind of stacked tool head arrangement of practicability and effectiveness specifically is provided for the rectangle development machine.
Background technology
Urban Underground walkway section geometric adopts rectangular cross section mostly, because compare with circular cross sectional shape, its effective usable floor area of rectangular cross section has been saved more than 45% than circular cross section, has reduced land acquisition amount and underground driving area, is conducive to reduce the Engineering Overall cost.Therefore, Rectangular Tunnel Construction is widely used.Circular development machine cutterhead chip formation adopts a central rotation cutterhead can satisfy full section smear metal, and the rectangular cross section smear metal adopts a central rotation cutterhead smear metal can't satisfy rectangular cross section smear metal requirement.Present rectangle development machine generally adopts the multi-cutter-disk combining form to realize the rectangular cross section smear metal, and each cutterhead centers on separately central rotation, realizes the soil smear metal separately, adopts lenticular layout to avoid each cutterhead phase mutual interference between the adjacent cutterhead.This just causes foremost cutterhead rotary drive unit, longer than cutterhead rotary drive unit, its rear end, according to the bending composition principle, long rotary drive unit will be than short rotary drive unit intensity difference, in tunneling construction, cutterhead very easily causes and fractures foremost, thereby the impact construction can't be carried out smoothly.Therefore, the stacked tool head arrangement form that needs practicability and effectiveness.
Summary of the invention
The technical solution of the utility model can overcome above-mentioned deficiency and defective, provide a kind of rectangle development machine stacked tool head, make each cutterhead of rectangle development machine be not subjected to before and after the change in size that causes of combination and cause each stressed harmful effect that does not wait in cutterhead rotary drive unit.The technical solution of the utility model is: stacked combined type six cutter head structures of a kind of rectangle development machine, comprise three convex cutterheads (1), three matrix cutterheads (2), a shield shell (10), it is characterized in that these three convex cutterheads (1) and three matrix cutterheads (2) are arranged in level two rows, a upper row's centre is a matrix cutterhead (2), and its left and right sides is adjacent to be two convex cutterheads (1); And the centre of next row is a convex cutterhead (1), and its left and right sides is adjacent to be two matrix cutterheads (2).
Further, matrix cutterhead (2) comprises main cutting cutter (3), rotary drive unit (5), center cutter (8), dual-pilot cutter (9), matrix disk body (4) and one way valve (6), rotary drive unit (5) is welded in matrix disk body (4) centre, center cutter (8) is connected in rotary drive unit (5) by high-strength bolt, and what main cutting cutter (3) was welded in matrix disk body (4) enters the Tu Kou both sides; Dual-pilot cutter (9) is arranged on matrix disk body (4) front with on 90 ° of four uniform center lines, the high 1-2.5cm of height of the aspect ratio main cutting cutter (3) of dual-pilot cutter (9); One way valve (6) is installed on the front of matrix disk body (4).
And convex cutterhead (1) comprises main cutting cutter (3), rotary drive unit (5), center cutter (8), dual-pilot cutter (9), convex disk body (7) and one way valve (6), rotary drive unit (5) is welded in matrix disk body (4) centre, center cutter (8) is connected in rotary drive unit (5) by high-strength bolt, and what main cutting cutter (3) was welded in convex disk body (7) enters the Tu Kou both sides; Dual-pilot cutter (9) is arranged on convex disk body (7) front with on 90 ° of four uniform center lines, the high 1-2.5cm of height of the aspect ratio main cutting cutter (3) of dual-pilot cutter (9); One way valve (6) is installed on convex disk body (7) front; Simultaneously, the middle part projection of convex disk body (7), excircle position indent, forming stacked combined type with matrix disk body (4) cooperates, make convex cutterhead (1) and matrix cutterhead (2) do the rotary cutting motion around the central axis of rotary drive unit (5) independently, mutually interfere when avoiding operation.
Above-mentioned, three convex cutterheads (1) are all identical with the cutter diameter of three matrix cutterheads (2).
Description of drawings
Accompanying drawing 1 is general structure end view of the present utility model;
Accompanying drawing 2 is B-B section (matrix cutterhead) structural representation of accompanying drawing 1;
Accompanying drawing 3 is C-C section (convex cutterhead) structural representation of accompanying drawing 1;
Accompanying drawing 4 is the A-A sectional drawing of accompanying drawing 1.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and embodiment.
Accompanying drawing 1 is the general structure end view of a kind of embodiment of the present utility model, accompanying drawing 2 is B-B section (matrix cutterhead) structural representation of accompanying drawing 1, accompanying drawing 3 is C-C section (convex cutterhead) structural representation of accompanying drawing 1, and accompanying drawing 4 is the A-A sectional drawing of accompanying drawing 1; Accompanying drawing 2 is B-B section (matrix cutterhead) structural representation of accompanying drawing 1; Accompanying drawing 3 is C-C section (convex cutterhead) structural representation of accompanying drawing 1.Its technical scheme is: stacked combined type six cutter head structures of a kind of rectangle development machine, comprise three convex cutterheads 1, three matrix cutterheads 2, a shield shell 10, these three convex cutterheads 1 and three matrix cutterheads 2 are arranged in level two rows, a upper row's centre is a matrix cutterhead 2, and its left and right sides is adjacent to be two convex cutterheads 1; And the centre of next row is a convex cutterhead 1, and its left and right sides is adjacent to be two matrix cutterheads 2.
Wherein, matrix cutterhead 2 comprises main cutting cutter 3, rotary drive unit 5, center cutter 8, dual-pilot cutter 9, matrix disk body 4 and one way valve 6, rotary drive unit 5 is welded in matrix disk body 4 centres, center cutter 8 is connected in rotary drive unit 5 by high-strength bolt, and what main cutting cutter 3 was welded in matrix disk body 4 enters the Tu Kou both sides; It is positive upper with on 90 ° of four uniform center lines that dual-pilot cutter 9 is arranged in matrix disk body 4, the high 1-2.5cm of height of the aspect ratio main cutting cutter 3 of dual-pilot cutter 9; One way valve 6 is installed on the front of matrix disk body 4.
Simultaneously, convex cutterhead 1 comprises main cutting cutter 3, rotary drive unit 5, center cutter 8, dual-pilot cutter 9, convex disk body 7 and one way valve 6, rotary drive unit 5 is welded in the centre of matrix disk body 4, center cutter 8 is connected in rotary drive unit 5 by high-strength bolt, and what main cutting cutter 3 was welded in convex disk body 7 enters the Tu Kou both sides; It is positive upper with on 90 ° of four uniform center lines that dual-pilot cutter 9 is arranged in convex disk body 7, the high 1-2.5cm of height of the aspect ratio main cutting cutter 3 of dual-pilot cutter 9; One way valve 6 is installed on convex disk body 7 fronts; Simultaneously, the middle part projection of convex disk body 7, excircle position indent forms stacked combined type with matrix disk body 4 and cooperates, make convex cutterhead 1 and matrix cutterhead 2 do the rotary cutting motion around the central axis of rotary drive unit 5 independently, mutually interfere when avoiding operation.
The cutter diameter of above-mentioned three convex cutterheads 1 and three matrix cutterheads 2 is all identical.
Through such layout, suffered front, six the cutterhead rotary drive unit soil body is impartial to the moment of flexure that disk body produces, and has improved each cutterhead intensity, the application life that has strengthened development machine.
Claims (4)
1. stacked combined type six cutter head structures of rectangle development machine, comprise three convex cutterheads (1), three (2) shield shells of matrix cutterhead (10), it is characterized in that these three convex cutterheads (1) and three matrix cutterheads (2) are arranged in level two rows, a upper row's centre is a matrix cutterhead (2), and its left and right sides is adjacent to be two convex cutterheads (1); And the centre of next row is a convex cutterhead (1), and its left and right sides is adjacent to be two matrix cutterheads (2).
2. by stacked combined type six cutter head structures of rectangle development machine claimed in claim 1, it is characterized in that matrix cutterhead (2) comprises main cutting cutter (3), rotary drive unit (5), center cutter (8), dual-pilot cutter (9), matrix disk body (4) and one way valve (6), rotary drive unit (5) is welded in matrix disk body (4) centre, center cutter (8) is connected in rotary drive unit (5) by high-strength bolt, and what main cutting cutter (3) was welded in matrix disk body (4) enters the Tu Kou both sides; Dual-pilot cutter (9) is arranged on matrix disk body (4) front with on 90 ° of four uniform center lines, the high 1-2.5cm of height of the aspect ratio main cutting cutter (3) of dual-pilot cutter (9); One way valve (6) is installed on the front of matrix disk body (4).
3. by stacked combined type six cutter head structures of rectangle development machine claimed in claim 1, it is characterized in that convex cutterhead (1) comprises main cutting cutter (3), rotary drive unit (5), center cutter (8), dual-pilot cutter (9), convex disk body (7) and one way valve (6), rotary drive unit (5) is welded in matrix disk body (4) centre, center cutter (8) is connected in rotary drive unit (5) by high-strength bolt, and what main cutting cutter (3) was welded in convex disk body (7) enters the Tu Kou both sides; Dual-pilot cutter (9) is arranged on convex disk body (7) front with on 90 ° of four uniform center lines, the high 1-2.5cm of height of the aspect ratio main cutting cutter (3) of dual-pilot cutter (9); One way valve (6) is installed on convex disk body (7) front; Simultaneously, the middle part projection of convex disk body (7), excircle position indent, forming stacked combined type with matrix disk body (4) cooperates, make convex cutterhead (1) and matrix cutterhead (2) do the rotary cutting motion around the central axis of rotary drive unit (5) independently, mutually interfere when avoiding operation.
4. by stacked combined type six cutter head structures of rectangle development machine claimed in claim 1, it is characterized in that three convex cutterheads (1) are all identical with the cutter diameter of three matrix cutterheads (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220257418 CN202745874U (en) | 2012-06-04 | 2012-06-04 | Stacked combined six-cutter structure for rectangular heading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220257418 CN202745874U (en) | 2012-06-04 | 2012-06-04 | Stacked combined six-cutter structure for rectangular heading machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202745874U true CN202745874U (en) | 2013-02-20 |
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ID=47705290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220257418 Expired - Lifetime CN202745874U (en) | 2012-06-04 | 2012-06-04 | Stacked combined six-cutter structure for rectangular heading machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202745874U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106907158A (en) * | 2017-05-13 | 2017-06-30 | 中铁隧道集团有限公司 | A kind of super-large-diameter shield cutter disc system for hard-soft heterogeneous ground |
| CN111075465A (en) * | 2019-12-20 | 2020-04-28 | 中铁工程装备集团有限公司 | Push bench that can be used to three lane rectangle tunnel constructions |
-
2012
- 2012-06-04 CN CN 201220257418 patent/CN202745874U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106907158A (en) * | 2017-05-13 | 2017-06-30 | 中铁隧道集团有限公司 | A kind of super-large-diameter shield cutter disc system for hard-soft heterogeneous ground |
| CN111075465A (en) * | 2019-12-20 | 2020-04-28 | 中铁工程装备集团有限公司 | Push bench that can be used to three lane rectangle tunnel constructions |
| CN111075465B (en) * | 2019-12-20 | 2021-12-14 | 中铁工程装备集团有限公司 | Push bench that can be used to three lane rectangle tunnel constructions |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130220 |
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| CX01 | Expiry of patent term |