CN204002808U - A kind of shield cutter structure of invading mutually compound rock stratum for soft or hard inequality - Google Patents
A kind of shield cutter structure of invading mutually compound rock stratum for soft or hard inequality Download PDFInfo
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- CN204002808U CN204002808U CN201420360960.4U CN201420360960U CN204002808U CN 204002808 U CN204002808 U CN 204002808U CN 201420360960 U CN201420360960 U CN 201420360960U CN 204002808 U CN204002808 U CN 204002808U
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Abstract
The utility model discloses a kind of shield cutter structure of invading mutually compound rock stratum for soft or hard inequality, described shield cutter structure of invading mutually compound rock stratum for soft or hard inequality comprises: heavy cutterhead, described heavy cutterhead is plate spoke medial support structures, and the aperture opening ratio scope of described heavy cutterhead is 20% to 30%; Twolip central hob, the orthogonal center that is arranged on described heavy cutterhead of described twolip central hob; Single-blade front hobboing cutter, described single-blade front hobboing cutter is arranged on four main spoke arm tops of described heavy cutterhead according to the Cutting trajectory of shield cutter; Single-blade periphery hobboing cutter, described single-blade periphery hobboing cutter is arranged on the end of described four main spoke arms according to the Cutting trajectory of shield cutter; Auxiliary cutter, described auxiliary cutter is arranged on the spoke arm top of described heavy cutterhead according to the Cutting trajectory of shield cutter.This cutter head structure is adapted to soft or hard inequality, mutual compound rock stratum shield driving of invading.
Description
Technical field
The utility model relates to cutter head of shield machine field, particularly relates to a kind of shield cutter structure of invading mutually compound rock stratum for soft or hard inequality.
Background technology
Diabase intensity is high, quartzy large with metalliferous mineral content, the saturated uniaxial compressive strength of middle weathering diabase is up to 140MPa, press < < Standard for classification of engineering rock masses > > (GB50218-94), when uniaxial saturated compressive strength of rock > 60MPa, belong to hard rock; By < < code for geotechnical engineering investigation of subway and light rail transit > > (GB50307-1999) and < < Design of Railway Tunnel standard > > (TB10003-2005) diabase, belong to utmost point hard rock, the diabase that rate of decay is weak, by actual uniaxial compressive strength, its Polodyakonov coefficient coefficient f > 16, belong to general hard stone XIII class, belong to the extremely difficult layer that picks up that bores.
In, strong, completely decomposed slate, saturated uniaxial compressive strength is less than 30MPa, belongs to soft rock.
The diabase of different rate of decay, diabase and slate, present irregular, inhomogeneous, unsettled mutual intrusion and distribute between the slate stratum of different rate of decay, form soft or hard inequality and invade mutually compound rock stratum.Complex between Different Strata or different rate of decay rock stratum, mutual intrusion, face stratum proterties changes fast, lithologic character difference is large, stratum and weathering boundary conversion are frequent, compound stratum proterties is extremely obvious, and be mingled with lamelliform weathered sandwich, be rich in quartz and metalliferous mineral, stratum crushing, globality is poor, rock fracture is grown, easily become blocky joint, face utmost point out-of-flatness after knife cutting, shield driving difficulty, open a position and look into cutter, tool changing is frequent, security risk is large, cutter inordinate wear is serious, cutter has high input, efficiency of construction is low, construction cost and security risk increase.
In soft or hard inequality, invade mutually the irregular driving scar in compound rock stratum, the hobboing cutter cutting rule of cutter head of shield machine itself changes, hobboing cutter can not press scar to be clamp-oned and rotates, but constantly move fluctuatedly, therefore sustainable existence hobboing cutter lacks and puts forth effort interface and do not turn eccentric wear, impacted suddenly by rock and make the problem of cutter ring, cutter shaft fracture.Rock strength is high, wherein more contains a large amount of same high-strength quartzites and metalliferous mineral and cutter stress performance is required high, and tool abrasion obviously strengthens, and the life-span reduces rapidly, and tool rest girff has also been caused greater impact and caused distortion.
In soft or hard inequality, invade mutually compound rock stratum, uneven because of face distribution of strata, fragmentation, cuts rear rock and is block cracked, the out-of-flatness of the face utmost point, it is stressed that the serrated knife of cutter head of shield machine and perching knife participate in brokenly rock in advance, under cutter head of shield machine rotates, is subject to the impact of the outstanding sillar of face, sharp rock, serrated knife and perching knife set bolt curvedly draw and are subject to that shearing is excessive to break because being subject to, cause cutter avalanche, the distortion of tool rest bolt hole, thread damage.The residual bodies such as the hobboing cutter cutter ring of the serrated knife of avalanche, perching knife cutter and fracture, cutter hub repeatedly stir in Ji Tu storehouse, cutterhead the place ahead, can not discharge in time, hobboing cutter has been caused to very large shock, extruding, rubbing action, hobboing cutter large area is frequently occurred: be squeezed into girff, cause hobboing cutter generation eccentric wear; Cutter ring is squeezed de-, ineffective; Cutter ring is knocked and causes fracture or occur breach; Cutter shaft is stressed to rupture extremely; With cutter hub, extruding etc. occurs, cause cutter hub distortion, end cap is extruded, and cutter hub is by serious crimp, and girff distortion, finally cannot split out, and can only remove by destructive gas cutting, and cutter is scrapped.Hobboing cutter is stuck, the serious eccentric wear of cutter circle, and What is more, and after cutter ring fracture, cutter hub is serious by eccentric wear; Hobboing cutter fixedly voussoir, bolt because of between capacity be out of shape, fracture.It is larger to the sealing infringement of hobboing cutter that soft or hard inequality is invaded compound rock stratum mutually, and under long-term High Pressure, seals damaged lost efficacy, and water and landwaste, powder particle etc. enter, and then make bearing rust, wearing and tearing.Wear-resisting and the body of cutterhead front edge (perching knife tool rest rear) is because perching knife avalanche loses protection, and drop cutter and tool rest fall into cutterhead bottom and stir and cause wearing and tearing with cutterhead.
Therefore wishing a kind of shield cutter structure of invading mutually compound rock stratum for soft or hard inequality overcomes or at least alleviates above-mentioned defect.
Utility model content
The purpose of this utility model is to provide a kind of shield cutter structure of invading mutually compound rock stratum for soft or hard inequality to overcome the above-mentioned problems in the prior art.
For achieving the above object, the utility model provides a kind of shield cutter structure of invading mutually compound rock stratum for soft or hard inequality, comprising:
Heavy cutterhead, described heavy cutterhead is plate spoke medial support structures, the aperture opening ratio scope of described heavy cutterhead is 20% to 30%;
Twolip central hob, the orthogonal center that is arranged on described heavy cutterhead of described twolip central hob;
Single-blade front hobboing cutter, described single-blade front hobboing cutter is arranged on four main spoke arm tops of described heavy cutterhead according to the Cutting trajectory of shield cutter;
Single-blade periphery hobboing cutter, described single-blade periphery hobboing cutter is arranged on the end of described four main spoke arms according to the Cutting trajectory of shield cutter;
Auxiliary cutter, described auxiliary cutter is arranged on the spoke arm top of described heavy cutterhead according to the Cutting trajectory of shield cutter.
The main spoke arm of four orthogonal intersections is set on heavy cutterhead, and the crosspoint of described four main spoke arm plates is arranged on the center of heavy cutterhead, and the upper surface of four main spoke arms forms main spoke arm card; Four spokes are set in the center of heavy cutterhead, and described four spokes are 45 ° of intervals with four main spoke arms respectively and arrange.
Preferably; described auxiliary cutter comprises: front serrated knife, perching knife and protection cutter; described front serrated knife is arranged on the both sides of four spokes of described heavy cutterhead according to the Cutting trajectory of shield cutter; described protection cutter is arranged on the spoke arm top of described spoke, and described perching knife is arranged on the end of described spoke.
Preferably, the width range value of described perching knife is 200mm to 250mm, and the altitude range value of described perching knife is 250mm to 300mm.
Preferably, described hobboing cutter comprises: center double-edged hobbing cutter, front hobboing cutter and periphery hobboing cutter, the orthogonal center that is arranged on described heavy cutterhead of described center double-edged hobbing cutter, described front hobboing cutter is arranged on four main spoke arm tops according to the Cutting trajectory of shield cutter, and described periphery hobboing cutter is separately positioned on the end of described four main spoke arms.
Preferably, the front plate thickness of described heavy cutterhead is 50mm-100mm.
Preferably, described shield cutter structure of invading mutually compound rock stratum for soft or hard inequality further comprises: foam line, described foam line is arranged on described heavy cutterhead below and/or described heavy cutterhead center.
Preferably, described shield cutter structure of invading mutually compound rock stratum for soft or hard inequality further comprises: fish tail cutter, described fish tail cutter is arranged on the top of described center double-edged hobbing cutter
The utility model provides a kind of shield cutter structure of invading mutually compound rock stratum for soft or hard inequality, improve the drivage efficiency of shield machine, reduce number of times and quantity because of inordinate wear tool changing, reduce shield machine and open a position tool changing frequency and time, save the duration, alleviate construction environment and device security risk.
Accompanying drawing explanation
Fig. 1 is that the utility model is invaded the structural representation of the shield cutter of compound rock stratum mutually for soft or hard inequality.
Fig. 2 is the structural representation of perching knife.
Fig. 3 is the structural representation of front serrated knife.
Fig. 4 is the structural representation of periphery hobboing cutter.
Fig. 5 is the structural representation of front hobboing cutter.
Reference numeral:
| 1 | Heavy cutterhead | 5 | Periphery hobboing cutter |
| 2 | Protection cutter | 6 | Center double-edged hobbing cutter |
| 3 | Perching knife | 7 | Front hobboing cutter |
| 4 | Front serrated knife |
The specific embodiment
For object, technical scheme and advantage that the utility model is implemented are clearer, below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is further described in more detail.In the accompanying drawings, same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Described embodiment is the utility model part embodiment, rather than whole embodiment.Below by the embodiment being described with reference to the drawings, be exemplary, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " interior ", orientation or the position relationship of indications such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as the restriction to the utility model protection domain.
The main spoke arm that four orthogonal intersections are set on heavy cutterhead, the crosspoint of described four main spoke arms is arranged on the center of heavy cutterhead, and the upper surface of four main spoke arms forms main spoke arm card; Four spokes are set in the center of heavy cutterhead, and described four spokes are 45 ° of intervals with four main spoke arms respectively and arrange.
Cutterhead aperture opening ratio refers to this value of cutterhead open area area and the cutterhead gross area.The type selecting of this value is related to the compliance on cutterhead and stratum.Common compound stratum, ground consisting of hard rock, or need to arrange that the stratum of a large amount of cutters need to configure the cutterhead of little aperture opening ratio, is generally 10%-35%; The good soft soil layer of homogeneity, this,, as the cutterhead of the large aperture opening ratios of configuration such as sand layer and clay layer, is generally 40%-75%.
In the wide in range embodiment of the utility model one: the shield cutter structure of invading mutually compound rock stratum for soft or hard inequality comprises:
Heavy cutterhead, described heavy cutterhead is plate spoke medial support structures, the aperture opening ratio scope of described heavy cutterhead is 20% to 30%;
Twolip central hob, the orthogonal center that is arranged on described heavy cutterhead of described twolip central hob;
Single-blade front hobboing cutter, described single-blade front hobboing cutter is arranged on four main spoke arm tops of described heavy cutterhead according to the Cutting trajectory of shield cutter;
Single-blade periphery hobboing cutter, described single-blade periphery hobboing cutter is arranged on the end of described four main spoke arms according to the Cutting trajectory of shield cutter;
Auxiliary cutter, described auxiliary cutter is arranged on the spoke arm top of described heavy cutterhead according to the Cutting trajectory of shield cutter.
In the illustrated embodiment of Fig. 2-5; the shield cutter structure of invading mutually compound rock stratum for soft or hard inequality comprises: heavy cutterhead 1, protection cutter 2, perching knife 3, front serrated knife 4, periphery hobboing cutter 5, center double-edged hobbing cutter 6 and front hobboing cutter 7; the quantity of protection cutter 2 is 18; the quantity of perching knife 3 is 20; the quantity of front serrated knife 4 is 28; the quantity of periphery hobboing cutter 5 is 12, the quantity of center double-edged hobbing cutter 6 be 4 and the quantity of front hobboing cutter 7 be 20.But be understandable that, the number of protection cutter 2, perching knife 3, front serrated knife 4, periphery hobboing cutter 5, center double-edged hobbing cutter 6 and front hobboing cutter 7 is not limited to diagramatic way.
In the illustrated embodiment of Fig. 2-5, the width of perching knife 3 is 200mm.But be understandable that, the width of perching knife 3 is not limited to diagramatic way, for example, in a not shown embodiment, the width 250mm of perching knife 3, in another not shown embodiment, the width 215mm of perching knife 3.
In the illustrated embodiment of Fig. 2-5, perching knife 3 adopts large piecemeal design, and perching knife 3 is bolted on heavy cutterhead 1 by 6 holes.
For improving hard rock rock breaking capacity, the shield cutter structure of invading mutually compound rock stratum for soft or hard inequality has increased hobboing cutter configuration quantity, for taking into account interval 60% soft rock strata driving, therefore do not weakening on the basis of cutterhead steel work mechanical property, continue to optimize the design of spoke arm and opening grill designs, increase aperture opening ratio, reduce soft rock section and occur the problems such as mud lining, moment of torsion increase.
In a not shown embodiment, the aperture opening ratio of heavy cutterhead 1 is 20%.Be understandable that, the aperture opening ratio of heavy cutterhead 1 is not limited to 20%, for example: the aperture opening ratio of heavy cutterhead 1 can be 30%; The aperture opening ratio of heavy cutterhead 1 can be 28%.
In the illustrated embodiment of Fig. 2-5,4 orthogonal centers that are arranged on heavy cutterhead 1 of intersecting of center double-edged hobbing cutter 6.But be understandable that, number and the position of center double-edged hobbing cutter 6 are not limited to diagramatic way, for example, in a not shown embodiment, the number of center double-edged hobbing cutter 6 is two, Qie Liangge center double-edged hobbing cutter 6 center that is arranged on heavy cutterhead 1 parallel to each other.Center double-edged hobbing cutter 6 adopts independent double-edged hobbing cutter structure, and does not select series system to connect, and force-bearing situation obviously improves compared with center single-blade hob.
In the illustrated embodiment of Fig. 2-5, above described every main spoke arm, 5 front hobboing cutters 7 are set respectively, on described four main spoke arms, arrange and amount to 20 front hobboing cutters 7.But be understandable that, number and the position of front hobboing cutter 7 are not limited to diagramatic way, for example, in a not shown embodiment, above described every main spoke arm, 4 front hobboing cutters 7 are set respectively, on described four main spoke arms, arrange and amount to 16 front hobboing cutters 7.
In the illustrated embodiment of Fig. 2-5, in the end of described every main spoke arm, 2 periphery hobboing cutters 5 are set respectively, on described four main spoke arms, arrange and amount to 8 periphery hobboing cutters 5, and in the end of described four spokes, 4 periphery hobboing cutters 5 are set respectively.But be understandable that, number and the position of periphery hobboing cutter 5 are not limited to diagramatic way, for example, and in a not shown embodiment, in the end of described four main spoke arms, 4 periphery hobboing cutters 5 are set respectively, and in the end of described four spokes, 8 periphery hobboing cutters 5 are set respectively.
In the illustrated embodiment of Fig. 2-5, above the spoke arm of wherein two spokes of described four spokes, 6 protection cuttves 2 are set, and 4 front serrated knives 4 are set above the spoke arm of two other spoke, and in the both sides of four main spoke arms, 8 protection cuttves 2 are set.But be understandable that, number and the position of protection cutter 2 are not limited to diagramatic way, for example, in a not shown embodiment, on described four main spoke arms, 4 protection cuttves 2 are set, and on described four spokes, 14 protection cuttves 2 are set respectively.
In the illustrated embodiment of Fig. 2-5, in the both sides of wherein two spokes of described four spokes, according to the Cutting trajectory of shield cutter, 16 front serrated knives 4 are set, and according to the Cutting trajectory of shield cutter, 12 front serrated knives 4 are set in the both sides of two other spoke.Front serrated knife 4 is taked the alloy cutter of 250mm wide cut, and 4 bolts are fixed, and tool rest adopts the design of ground consisting of hard rock structure; with cutter be embedded mounting means; all there is the spats of exceeding Anti-bumping protection tool rest medial and lateral, and shock resistance is strong, effectively solve the abnormal avalanche problem of serrated knife and tool rest
In the illustrated embodiment of Fig. 2-5,20 perching knives 3 are set in the end of described four spokes.Perching knife 3 is taked the design of the multi-joint structure of wide cut, single width perching knife set bolt is increased to 6 holes, hole to 8, has increased the fixedly ability of reliability and crashproof loss of periphery perching knife; Tool rest adopts the design of ground consisting of hard rock structure, with cutter be embedded mounting means, all there is the spats of exceeding Anti-bumping protection tool rest medial and lateral, tool rest back is designed with and strengthens the floor of putting more energy into that tool rest is fixed and cushioned; Tool rest shock resistance is strong, effectively solves the problem of the abnormal avalanche of perching knife and the wearing and tearing of periphery tool rest
In the illustrated embodiment of Fig. 2-5, the front plate thickness of heavy cutterhead 1 is 50mm.But be understandable that, the front plate thickness of heavy cutterhead 1 is not limited to diagramatic way, for example, in a not shown embodiment, the front plate thickness of heavy cutterhead 1 is 100mm.In another not shown embodiment, the front plate thickness of heavy cutterhead 1 is 75mm.
In a not shown embodiment, the shield cutter structure of invading mutually compound rock stratum for soft or hard inequality further comprises: fish tail cutter, described fish tail cutter is arranged on the top of center double-edged hobbing cutter 6.Described fish tail cutter is taken into account the driving of soft rock strata.
In a not shown embodiment, the shield cutter of invading mutually compound rock stratum for soft or hard inequality further comprises: four foam lines, described foam line is arranged on the below of heavy cutterhead 1.The cutter head foam of foam line clock is that high molecular polymer is for weak soil, soft rock, hard rock and compound stratum filling soil improvement material.But be understandable that, the position of described foam line setting is not limited to be arranged on the below of heavy cutterhead 1.In another not shown embodiment, described foam line is arranged on the center of heavy cutterhead 1.
The opening part of invading mutually the shield cutter of compound rock stratum for soft or hard inequality connects grid.
The shield cutter of invading mutually compound rock stratum for soft or hard inequality further comprises: cutterhead center high pressure water washing pipeline, be applicable to soft soil layer, and prevent cutterhead centre junction mud cake.
At cutter head panel and the back side welding and wear-resistant steel plate of invading mutually the shield cutter of compound rock stratum for soft or hard inequality, periphery is welded wear-resisting glazing bar protection ring, the built-up welding of peripheral solder hard.
By heavy cutter head structure, design, strengthening cutterhead wear-resistant protection, configuration heavy-load type girff, heavy hobboing cutter and the auxiliary cutter of ground consisting of hard rock, reduce hobboing cutter sword spacing, increase the designs such as hobboing cutter quantity, possesses hard rock, the broken rock driving of utmost point ground consisting of hard rock shield structure ability.
By hobboing cutter girff capable of replacing dual-pilot cutter, tearing cutter, cutterhead central hob place reserves mounting condition, capable of replacing fish tail cutter, the technical condition such as cutterhead Center high pressure water washing function, the modes such as soil improvement material that coordinate the additive injection hole on shield cutter and Tu Cang next door to annotate different, possess soft rock, soft soil layer shield structure cutting driving ability.
By above-mentioned feature, show and technical design, especially the application that changes the outfit of soft or hard rock cutter, on the vertical distribution in stratum and longitudinally distributing along tunnel axis stratum, all there is soft or hard rock stratum skewness, invade alternately, be mingled with staggered, distribute irregularly, stratum boundary or weathering boundary transform frequent, under the complicated compound stratum condition of the unstable grade in stratum, possess shield tunneling driving ability, be adapted to the uneven compound rock stratum of soft or hard driving.
By configuration protection cutter, change serrated knife and perching knife fixed form and protection design are installed, strengthen serrated knife cutter wide, changing perching knife is the multi-joint design of porous, has strengthened the protection to cutter, has strengthened ground consisting of hard rock cutter shock resistance, has improved hard rock driving ability.
By serrated knife, perching knife and hobboing cutter, divide spoke arm to arrange; adjust overall hobboing cutter Its Track Design; distribute the scar discrepancy in elevation and the Cutting trajectory of hobboing cutter and serrated knife, perching knife, protection cutter rationally; optimize cutter type selecting and configuring technical; all kinds of cutter bodies that proposed combined type cutterhead are outstanding, major-minor cooperation, act on clear; the driving of common service coordinates theory, has strengthened stratum adaptive capacity, the drivage efficiency of combined type cutterhead, has reduced excavation cost and security risk.
By the additive injection channel on cutterhead and Tu Cang next door, for the Different Strata corresponding sediment improvement material (comprise Jia Shui, add mud, add foam, add bentonite slurry, add macromolecule polymer material etc.) of annotating, efficiently solve easily gush, the outstanding problem such as large, high wearing and tearing of mud lining, moment of torsion, strengthen the ground adaptability of cutterhead, widened range of application and the formation condition of cutterhead.
Finally it is to be noted: above embodiment only, in order to the technical solution of the utility model to be described, is not intended to limit.Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (5)
1. for soft or hard inequality, invade mutually a shield cutter structure for compound rock stratum, it is characterized in that, comprising:
Heavy cutterhead, described heavy cutterhead is plate spoke medial support structures, the aperture opening ratio scope of described heavy cutterhead is 20% to 30%;
Twolip central hob, the orthogonal center that is arranged on described heavy cutterhead of described twolip central hob;
Single-blade front hobboing cutter, described single-blade front hobboing cutter is arranged on four main spoke arm tops of described heavy cutterhead according to the Cutting trajectory of shield cutter;
Single-blade periphery hobboing cutter, described single-blade periphery hobboing cutter is arranged on the end of described four main spoke arms according to the Cutting trajectory of shield cutter;
Auxiliary cutter, described auxiliary cutter is arranged on the spoke arm top of described heavy cutterhead according to the Cutting trajectory of shield cutter.
2. shield cutter structure of invading mutually compound rock stratum for soft or hard inequality as claimed in claim 1; it is characterized in that; described auxiliary cutter comprises: front serrated knife, perching knife and protection cutter; described front serrated knife is arranged on the both sides of four spokes of described heavy cutterhead according to the Cutting trajectory of shield cutter; described protection cutter is arranged on the spoke arm top of described spoke, and described perching knife is arranged on the end of described spoke.
3. shield cutter structure of invading mutually compound rock stratum for soft or hard inequality as claimed in claim 2, is characterized in that, the width range value of described perching knife is 200mm to 250mm, and the altitude range value of described perching knife is 250mm to 300mm.
4. shield cutter structure of invading mutually compound rock stratum for soft or hard inequality as claimed in claim 2, is characterized in that, the front plate thickness of described heavy cutterhead is 50mm to 100mm.
5. shield cutter structure of invading mutually compound rock stratum for soft or hard inequality as claimed in claim 3, it is characterized in that, described shield cutter structure of invading mutually compound rock stratum for soft or hard inequality further comprises: fish tail cutter, described fish tail cutter is arranged on the top of described center double-edged hobbing cutter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420360960.4U CN204002808U (en) | 2014-07-02 | 2014-07-02 | A kind of shield cutter structure of invading mutually compound rock stratum for soft or hard inequality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420360960.4U CN204002808U (en) | 2014-07-02 | 2014-07-02 | A kind of shield cutter structure of invading mutually compound rock stratum for soft or hard inequality |
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| CN204002808U true CN204002808U (en) | 2014-12-10 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN105003273A (en) * | 2015-07-29 | 2015-10-28 | 中铁工程装备集团有限公司 | Combined cutterhead adaptive to sand-pebble strata |
| CN108168808A (en) * | 2017-12-22 | 2018-06-15 | 武汉大学 | A kind of shield cutter wear test model cutterhead of adjustable structure |
| CN108625871A (en) * | 2018-06-27 | 2018-10-09 | 福建省建中工程设备有限公司 | Push-bench based on earth pressure balance and its working method |
-
2014
- 2014-07-02 CN CN201420360960.4U patent/CN204002808U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105003273A (en) * | 2015-07-29 | 2015-10-28 | 中铁工程装备集团有限公司 | Combined cutterhead adaptive to sand-pebble strata |
| CN108168808A (en) * | 2017-12-22 | 2018-06-15 | 武汉大学 | A kind of shield cutter wear test model cutterhead of adjustable structure |
| CN108625871A (en) * | 2018-06-27 | 2018-10-09 | 福建省建中工程设备有限公司 | Push-bench based on earth pressure balance and its working method |
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Effective date of registration: 20180309 Address after: 100037 Beijing, Fuchengmen, North Street, No. five, No. Patentee after: BEIJING URBAN CONSTRUCTION DESIGN & DEVELOPMENT GROUP CO., LIMITED Address before: 100037 Beijing, Fuchengmen, North Street, No. five, No. Co-patentee before: Beijing City Building Group Co., Ltd. Patentee before: BEIJING URBAN CONSTRUCTION DESIGN & DEVELOPMENT GROUP CO., LIMITED |
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