CN109113752A - A kind of high efficient driving heavy type shield cutter - Google Patents
A kind of high efficient driving heavy type shield cutter Download PDFInfo
- Publication number
- CN109113752A CN109113752A CN201811037027.2A CN201811037027A CN109113752A CN 109113752 A CN109113752 A CN 109113752A CN 201811037027 A CN201811037027 A CN 201811037027A CN 109113752 A CN109113752 A CN 109113752A
- Authority
- CN
- China
- Prior art keywords
- hobboing cutter
- cutter group
- group
- cutterhead
- edge
- 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.)
- Granted
Links
- 230000008719 thickening Effects 0.000 claims abstract description 7
- 238000005065 mining Methods 0.000 claims description 5
- 230000006378 damage Effects 0.000 abstract description 12
- 230000005641 tunneling Effects 0.000 abstract description 11
- 238000010276 construction Methods 0.000 abstract description 9
- 239000011435 rock Substances 0.000 abstract description 9
- 230000002159 abnormal effect Effects 0.000 abstract description 3
- 238000009412 basement excavation Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- 238000005520 cutting process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012407 engineering method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
- E21D9/087—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
- E21D9/0875—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield with a movable support arm carrying cutting tools for attacking the front face, e.g. a bucket
- E21D9/0879—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield with a movable support arm carrying cutting tools for attacking the front face, e.g. a bucket the shield being provided with devices for lining the tunnel, e.g. shuttering
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a kind of high efficient driving heavy type shield cutters, solve the problems such as shield cutter in the prior art easy to damage, excavation low efficiency.The present invention includes cutterhead and girder; cutterhead is connected by corbel in box beam with girder; cutterhead is connected with the main driving being mounted on girder; cutterhead front end face is equipped with radial hobboing cutter group, edge hobboing cutter group and with track hobboing cutter group; edge hobboing cutter group and arranged in a crossed manner between radial hobboing cutter group with track hobboing cutter group; the outer end of radial hobboing cutter group is equipped with edge doctor; cutterhead rear portion, which is equipped with, thickeies large circle and protection knife; knife is protected to be located at the rear for thickening large circle, the two sides of edge hobboing cutter group and the two sides with track hobboing cutter group are equipped with protection block.A variety of cutter special designings of the invention, increase impact resistance, reduce the probability of abnormal damage, reduce the probability of the tool damage in tunneling boring ground consisting of hard rock work progress, reduce tool changing the risk and cost, substantially increase construction efficiency.
Description
Technical field
The present invention relates to shield machine technical fields, particularly relate to a kind of high efficient driving heavy type shield cutter.
Background technique
With the fast development of quickening and the urban construction of Urbanization in China, subway engineering will be increasing, shield
Structure method has been obtained in the construction of subway tunnel and is widely applied as a kind of advanced engineering method.It is applied in a wide range of shield
During work, shield-tunneling construction is in more and more in tunneling boring high intensity ground consisting of hard rock.
Easily there are following problems in the construction of tunneling boring high intensity ground consisting of hard rock in shield: first is that the tool wear of shield cutter is tight
Weight, abnormal damage is serious, is easy breakage, falls off；Second is that there is ground consisting of hard rock in driving, Cutter Head Torque in Shield Tunneling rising will lead to,
Tool wear, damage are accelerated, and also will appear shield driving difficulty, or even can not construct, delay the duration；Third is that tunneling boring hard rock
Layer easily causes shield cutter structural strength and the consumption of cutter increases, and brings to the duration of entire engineering, cost serious
It influences.
Therefore it needs to develop a kind of cutterhead for avoiding problems, reduces tool damage and cutter head structure in tunneling process
The destruction of intensity improves drivage efficiency.
Summary of the invention
For the deficiency in above-mentioned background technique, the present invention proposes a kind of high efficient driving heavy type shield cutter, solves existing
Have in technology that shield cutter is easy to damage, excavates the problems such as low efficiency.
The technical scheme of the present invention is realized as follows: a kind of high efficient driving heavy type shield cutter, including cutterhead and girder,
Cutterhead is connected by corbel in box beam with girder, and cutterhead is connected with the main driving being mounted on girder, is set on cutterhead front end face
There are radial hobboing cutter group, edge hobboing cutter group and arranged in a crossed manner in radial direction with track hobboing cutter group, edge hobboing cutter group and with track hobboing cutter group
Between hobboing cutter group, the outer end of radial hobboing cutter group is equipped with edge doctor, and cutterhead rear portion, which is equipped with, thickeies large circle and protection knife, protects knife
Positioned at the rear for thickening large circle, the two sides of edge hobboing cutter group and the two sides with track hobboing cutter group are equipped with protection block.
Radial hobboing cutter group includes central hob group and face hobboing cutter group, and central hob group is arranged at the center of cutterhead, face rolling
Knife group is arranged radially along cutterhead, and face hobboing cutter group is angularly in the outer circle of the centrally disposed hobboing cutter group of divergent shape.Central hob group
It is arranged on cutterhead with face hobboing cutter group composition class M shape, for cutting main face.
Hobboing cutter knife up H=155 ~ 165mm of central hob group and face hobboing cutter group.Conventional hobboing cutter knife up is 187.7mm, is now adopted
Hobboing cutter knife up H=155 ~ 165mm, it is possible to reduce hobboing cutter cutter ring, knife hub, sealing, the impact of bearing are damaged in tunneling process
It is bad.
Cutterhead is equipped with a central hob group, six face hobboing cutter groups, three edge hobboing cutter groups and three with track hobboing cutter
Group, edge hobboing cutter group and is arranged at intervals between the hobboing cutter group of face with track hobboing cutter group, with the mining track radius of track hobboing cutter group
Not less than the mining track radius of edge hobboing cutter group.
Edge doctor is symmetricly set on the outer end of face hobboing cutter group, knife up L=95 ~ 105mm of edge doctor.Conventional doctor knife up
For 140mm, knife up L=95 ~ 105mm of the edge doctor now used, it is possible to reduce in tunneling process to edge doctor cutter ring, knife hub,
It seals, the impact failure of bearing.
Thicken large circle 36, rear portion protection knife, protection knife be circumferentially equidistantly positioned on cutterhead, for pair
Thicken the protection of large circle and cutterhead.
A variety of cutter special designings of the invention, increase impact resistance, reduce the probability of abnormal damage, reduce
The probability of tool damage, reduces tool changing the risk and cost in tunneling boring ground consisting of hard rock work progress, substantially increases construction effect
Rate.Cutter head structure of the present invention is reinforced by using thickening type corbel in box beam and girder intensity, improves cutter head structure intensity and turns
Speed improves the efficiency of construction, has saved cost, reduces construction risk caused by cutter head structure damage, with higher to push away
Wide value.
Detailed description of the invention
In order to illustrate the embodiments of the present invention more clearly, attached drawing needed in describing below to embodiment makees letter
Singly introduce, it should be apparent that, drawings in the following description are only some embodiments of the invention, skill common for this field
For art personnel, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is whole interior structural schematic diagram of the present invention.
Fig. 2 is schematic front view of the present invention.
Fig. 3 is face hobboing cutter group structural schematic diagram.
Fig. 4 is center hobboing cutter group structural schematic diagram.
Fig. 5 is edge doctor structural schematic diagram.
Fig. 6 is partial enlarged view at A in Fig. 1.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under that premise of not paying creative labor
Embodiment shall fall within the protection scope of the present invention.
As shown in figures 1 to 6, embodiment 1, a kind of high efficient driving heavy type shield cutter, including cutterhead 1 and girder 2, cutterhead 1 are logical
It crosses corbel in box beam 3 to be connected with girder 2, girder uses bracket thickening type box beam casting, eliminate as far as possible using steel plate, cutterhead is thickeied
Stress concentrated position.Cutterhead 1 is connected with the main driving 10 being mounted on girder 2, and main driving 10 provides dynamic for the rotation of cutterhead
Power, the drivage efficiency of revolving speed 3rpm or more may be implemented in cutterhead, and conventional shield cutter revolving speed is 1-2rpm.1 front end face of cutterhead
It is equipped with radial hobboing cutter group 4, edge hobboing cutter group 5 and is set with track hobboing cutter group 6, edge hobboing cutter group 5 and with the intersection of track hobboing cutter group 6
It sets between radial hobboing cutter group 4, radial hobboing cutter group 4 edge hobboing cutter group 5 and is used for cutting main rock face with track hobboing cutter group 6
In the rock of cutting tunnel edge.The outer end of radial hobboing cutter group 4 is equipped with edge doctor 11, and the rock for cutting tunnel edge is same
When play the role of protecting radial hobboing cutter group.1 rear portion of cutterhead, which is equipped with, thickeies large circle 7 and protection knife 8, and protection knife 8, which is located at, to be thickeied
The rear of large circle 7 thickeies the high-strength abrasion-proof clad steel plate design that large circle takes whole circle 12+12mm, and cuts close
Choma side arrangement protection knife, thickeies large circle for protecting.The two sides of edge hobboing cutter group 5 and two sides with track hobboing cutter group 6
It is equipped with protection block 9, for protecting its hobboing cutter not to be hit as far as possible in the construction process.
Further, the radial hobboing cutter group 4 includes that central hob group 4-1 and face hobboing cutter group 4-2, central hob group 4-1 are set
It sets at the center of cutterhead 1, face hobboing cutter group 4-2 is arranged radially along cutterhead 1, and face hobboing cutter group 4-2 is angularly in that divergent shape setting exists
In the outer circle of central hob group 4-1.Central hob group and face hobboing cutter group composition class M shape are arranged on cutterhead, for cutting master
Face.Hobboing cutter knife up H=155 or 165mm of the central hob group 4-1 and face hobboing cutter group 4-2.
Embodiment 2, a kind of high efficient driving heavy type shield cutter, the hobboing cutter of the central hob group 4-1 and face hobboing cutter group 4-2
Knife up H=160mm.Can reduce in tunneling process to hobboing cutter cutter ring, knife hub, sealing, bearing impact failure.The cutterhead 1
Equipped with a central hob group 4-1, six face hobboing cutter group 4-2, three edge hobboing cutter groups 5 and three with track hobboing cutter group 6, side
It edge hobboing cutter group 5 and is arranged at intervals between the hobboing cutter group 4-2 of face with track hobboing cutter group 6, with the mining track radius of track hobboing cutter group 6
Not less than the mining track radius of edge hobboing cutter group 5, i.e., it is not less than edge hobboing cutter group with the excavating radius of 6 hobboing cutter of track hobboing cutter group
5 excavating radius, the setting with track hobboing cutter group 6 guarantee digging diameter and reduce the probability of abrasion.
Further, the edge doctor 11 is symmetricly set on the outer end of face hobboing cutter group 4-2, knife up L=95mm of edge doctor 11
Or one of 100mm or 105mm.It can reduce in tunneling process to edge doctor cutter ring, knife hub, sealing, the impact of bearing
Damage.The rear portion for thickening large circle 7 is equipped with 36 protection knives 8, and protection knife 8 is circumferentially equidistantly positioned in cutterhead 1
On, large circle and cutterhead are thickeied for protecting.
Other structures are same as Example 1.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of high efficient driving heavy type shield cutter, including cutterhead (1) and girder (2), it is characterised in that: cutterhead (1) passes through case
Beam bracket (3) is connected with girder (2), and cutterhead (1) is connected with the main driving (10) being mounted on girder (2), before cutterhead (1)
End face is equipped with radial hobboing cutter group (4), edge hobboing cutter group (5) and with track hobboing cutter group (6), edge hobboing cutter group (5) and same track
Hobboing cutter group (6) is arranged in a crossed manner between radial hobboing cutter group (4), and the outer end of radial hobboing cutter group (4) is equipped with edge doctor (11), cutterhead
(1) rear portion, which is equipped with, thickeies large circle (7) and protection knife (8), and protection knife (8) is located at the rear for thickening large circle (7), edge hobboing cutter
The two sides of group (5) and protection block (9) are equipped with the two sides of track hobboing cutter group (6).
2. high efficient driving heavy type shield cutter according to claim 1, it is characterised in that: the radial direction hobboing cutter group (4) is wrapped
Central hob group (4-1) and face hobboing cutter group (4-2) are included, central hob group (4-1) is arranged at the center of cutterhead (1), face hobboing cutter
Group (4-2) is arranged radially along cutterhead (1), and face hobboing cutter group (4-2) is angularly in the outer of the centrally disposed hobboing cutter group (4-1) of divergent shape
On circle.
3. high efficient driving heavy type shield cutter according to claim 2, it is characterised in that: the central hob group (4-1)
With hobboing cutter knife up H=155 ~ 165mm of face hobboing cutter group (4-2).
4. high efficient driving heavy type shield cutter according to claim 2 or 3, it is characterised in that: the cutterhead (1) is equipped with
One central hob group (4-1), six face hobboing cutter groups (4-2), three edge hobboing cutter groups (5) and three with track hobboing cutter group (6),
It edge hobboing cutter group (5) and is arranged at intervals between face hobboing cutter group (4-2) with track hobboing cutter group (6), with the digging of track hobboing cutter group (6)
Dig the mining track radius that orbital radius is not less than edge hobboing cutter group (5).
5. high efficient driving heavy type shield cutter according to claim 4, it is characterised in that: the edge doctor (11) symmetrically sets
It sets in the outer end of face hobboing cutter group (4-2), knife up L=95 ~ 105mm of edge doctor (11).
6. high efficient driving heavy type shield cutter according to claim 1 or 4, it is characterised in that: the thickening large circle (7)
36, rear portion protection knife (8), protection knife (8) be circumferentially equidistantly positioned on cutterhead (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811037027.2A CN109113752B (en) | 2018-09-06 | 2018-09-06 | High-efficiency tunneling heavy shield cutter head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811037027.2A CN109113752B (en) | 2018-09-06 | 2018-09-06 | High-efficiency tunneling heavy shield cutter head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109113752A true CN109113752A (en) | 2019-01-01 |
| CN109113752B CN109113752B (en) | 2024-03-15 |
Family
ID=64858745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811037027.2A Active CN109113752B (en) | 2018-09-06 | 2018-09-06 | High-efficiency tunneling heavy shield cutter head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109113752B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115949421A (en) * | 2023-01-31 | 2023-04-11 | 盾科工程装备有限公司 | Cutter head structure for micro shield machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201588635U (en) * | 2009-12-23 | 2010-09-22 | 上海市机械施工有限公司 | Special shield cutter assembly used for rock composite formation |
| CN104060995A (en) * | 2014-07-02 | 2014-09-24 | 北京城建设计发展集团股份有限公司 | Shield cutterhead structure for uneven mutual-penetration composite rock stratum |
| CN104060996A (en) * | 2014-07-03 | 2014-09-24 | 北京城建设计发展集团股份有限公司 | Combined shield cutter disk for mutual intrusion composite rock strata with uneven hardness |
| CN104100276A (en) * | 2014-07-02 | 2014-10-15 | 北京城建设计发展集团股份有限公司 | Uneven soft or hard mutual intrusion composite rock stratum shield cutterhead type selection and cutting tool configuration technology |
| CN105971613A (en) * | 2016-05-05 | 2016-09-28 | 中铁十八局集团第四工程有限公司 | Hob arranging method for hard rock stratum shield tunneling cutterhead |
| CN209067213U (en) * | 2018-09-06 | 2019-07-05 | 中铁工程装备集团有限公司 | A kind of high efficient driving heavy type shield cutter |
-
2018
- 2018-09-06 CN CN201811037027.2A patent/CN109113752B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201588635U (en) * | 2009-12-23 | 2010-09-22 | 上海市机械施工有限公司 | Special shield cutter assembly used for rock composite formation |
| CN104060995A (en) * | 2014-07-02 | 2014-09-24 | 北京城建设计发展集团股份有限公司 | Shield cutterhead structure for uneven mutual-penetration composite rock stratum |
| CN104100276A (en) * | 2014-07-02 | 2014-10-15 | 北京城建设计发展集团股份有限公司 | Uneven soft or hard mutual intrusion composite rock stratum shield cutterhead type selection and cutting tool configuration technology |
| CN104060996A (en) * | 2014-07-03 | 2014-09-24 | 北京城建设计发展集团股份有限公司 | Combined shield cutter disk for mutual intrusion composite rock strata with uneven hardness |
| CN105971613A (en) * | 2016-05-05 | 2016-09-28 | 中铁十八局集团第四工程有限公司 | Hob arranging method for hard rock stratum shield tunneling cutterhead |
| CN209067213U (en) * | 2018-09-06 | 2019-07-05 | 中铁工程装备集团有限公司 | A kind of high efficient driving heavy type shield cutter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115949421A (en) * | 2023-01-31 | 2023-04-11 | 盾科工程装备有限公司 | Cutter head structure for micro shield machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109113752B (en) | 2024-03-15 |
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