CN106050251A - Two-stage telescopic heading machine combined cutterhead with adjustable open rate - Google Patents
Two-stage telescopic heading machine combined cutterhead with adjustable open rate Download PDFInfo
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- CN106050251A CN106050251A CN201610627503.0A CN201610627503A CN106050251A CN 106050251 A CN106050251 A CN 106050251A CN 201610627503 A CN201610627503 A CN 201610627503A CN 106050251 A CN106050251 A CN 106050251A
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- 239000003818 cinder Substances 0.000 claims description 14
- 230000000712 assembly Effects 0.000 claims description 13
- 238000000429 assembly Methods 0.000 claims description 13
- 238000011161 development Methods 0.000 claims description 9
- 230000003044 adaptive effect Effects 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 abstract 2
- 239000002893 slag Substances 0.000 abstract 2
- 230000005855 radiation Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 14
- 239000002689 soil Substances 0.000 description 9
- 230000005641 tunneling Effects 0.000 description 8
- 239000011435 rock Substances 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 3
- 239000004927 clay Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- 238000013517 stratification Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- SEPPVOUBHWNCAW-FNORWQNLSA-N (E)-4-oxonon-2-enal Chemical compound CCCCCC(=O)\C=C\C=O SEPPVOUBHWNCAW-FNORWQNLSA-N 0.000 description 1
- LLBZPESJRQGYMB-UHFFFAOYSA-N 4-one Natural products O1C(C(=O)CC)CC(C)C11C2(C)CCC(C3(C)C(C(C)(CO)C(OC4C(C(O)C(O)C(COC5C(C(O)C(O)CO5)OC5C(C(OC6C(C(O)C(O)C(CO)O6)O)C(O)C(CO)O5)OC5C(C(O)C(O)C(C)O5)O)O4)O)CC3)CC3)=C3C2(C)CC1 LLBZPESJRQGYMB-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- XTKDAFGWCDAMPY-UHFFFAOYSA-N azaperone Chemical compound C1=CC(F)=CC=C1C(=O)CCCN1CCN(C=2N=CC=CC=2)CC1 XTKDAFGWCDAMPY-UHFFFAOYSA-N 0.000 description 1
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- 230000002349 favourable effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000003466 welding 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
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- 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 two-stage telescopic heading machine combined cutterhead with an adjustable open rate. The two-stage telescopic heading machine combined cutterhead comprises a first-stage cutterhead assembly, a second-stage cutterhead assembly and a driving device, wherein the first-stage cutterhead assembly and the second-stage cutterhead assembly are provided with axial propelling devices. Each stage of cutterhead assembly comprises a cutterhead body and a cutterhead center plate disc, a plurality of slag discharging holes are formed in each of the disc faces of the first-stage cutterhead body and the second-stage cutterhead body, the first-stage cutterhead center plate disc and the second-stage cutterhead center plate disc are provided with a plurality of center plates arranged in a radiation shape, and the number of the center plates and the number of the slag discharging holes are equal in each cutterhead assembly. Different heading modes of combined cutters and the open rate of each stage of cutterhead assembly can be controlled through the coordinative action of the corresponding axial propelling device and the driving device. When the combined cutterhead works, all the stages of cutterhead bodies bear small loads, the strength and rigidity of the structure and the distribution balance of loads are improved, and thus it is avoided that the cutterhead deforms due to excessive large stress and nonuniform stress. The adaptive heading capability of the cutterhead is improved, and the heading safety and heading efficiency are improved.
Description
Technical field
The present invention relates to excavate the heading equipment of subterranean tunnel, belong to tunnel machine technical field.More specifically relate to energy
Enough improve major diameter development machine labor aptitude under complicated geological, it is intended to very easily can pass through according to different geology operating modes
Carry out two grades of cutterhead driving configurations on the independent scalable cutterhead of two-stage and cutterhead at different levels can independently adjust aperture opening ratio and reach geology
Adaptive a kind of two grades of cutter head structures.
Background technology
Shield method is one of tunnel excavation engineering method, and cutterhead is the parts that shield machine is important.The domestic research to shield cutter
Emphasis at the analysis of solid cutter aperture opening ratio, cutterhead force analysis, cutter layout, complicated geological on the impact of shield driving, cutterhead
Cutter life analyses etc., have made great progress, and also gather in the crops a lot of achievements simultaneously.
At present, China's shield machine uses cutterhead major part to be board wheel structure.The digging process of cutterhead be cutterhead with
The process that Rock And Soil interacts, the cutterhead only adapted with Rock And Soil geologic feature could excavate Rock And Soil well, no
Then will cause shield machine driving difficulty, produce relevant engineering problem.Therefore, the design of cutter head of shield machine must be according to tunnel
Geological conditions " is cut the garment according to the figure " and is designed targetedly.
For major diameter long distance tunnel, the present situation that building site is nervous, congested in traffic can be alleviated, and executing of developing rapidly
Work technical merit more makes it be increasingly becoming the Important building structure of urban underground space.Currently used large-diameter shield cutterhead is many
Constituted by beam link welding for spoke, former partitioned organization, it is achieved power and the transmission of moment of torsion.Cutter is made greatly due to excavated section
The full payload that dish bears is excessive, unbalanced moments is excessive and causes cutterhead to deform；Make face geology multiple owing to tunnel is long
Miscellaneous changeable, cutterhead is by force unbalance, and the eccentric load in turn resulting in base bearing is excessive.
Cutterhead aperture opening ratio refers generally to the ratio of cutterhead open areas and the cutterhead gross area.The type selecting of this value is related to
Cutterhead and the adaptability on stratum, have an effect on tool changing with pressure in tunneling process.Cutterhead opening pattern and the direct shadow of aperture opening ratio size
Ring dregs mobility, knife disc tool heating, abrasion, stock-removing efficiency and reliability, and open a position operation time warehouse entry personnel safety.
Cutterhead aperture opening ratio research aspect Main Conclusions has: aperture opening ratio is the least, and soil cabin pressure is the least, and cutter head torque is the biggest, necromancer before excavation
Body is not easily accessed Tu Cang, and unearthed rate is the least, and vice versa.1. general board wheel aperture opening ratio is less, about 30%；2.
Plate spoke cutterhead has the feature of panel type and spoke wheel concurrently, and aperture opening ratio is about between 35%～50%；3. cutterhead aperture opening ratio
Rate etc. of being unearthed soil cabin pressure, cutter head torque and shield all has a significant effect.
Summary of the invention
Patent of the present invention aims to overcome that tradition shield machine, position that especially large-diameter shield machine knife dish is fixed a cutting tool and
Aperture opening ratios etc. are fixing, tackle complicated geological, and the radial imbalance force of cutterhead, tilting moment are big, cutterhead deformation is big, geology
The shortcomings such as bad adaptability, and a kind of adjustable two grades of telescopic development machine assembled cutter heads of aperture opening ratio are provided.Two grades of cutterheads can be effective
Ground is distributed to cutterhead at different levels rock break load, improves cutterhead rigidity simultaneously, it is to avoid cutterhead stress concentrations, effectively reduces
The eccentric load of cutterhead.For different geology operating modes, divide by adjusting one-level cutterhead, two grades of cutterhead aperture opening ratios and two-stage cutterhead
Level driving combination so that cutterhead integral finish rate adjusts in the range of 20%～70%, promotes complicated geological large-diameter shield machine
Drivage efficiency and driving quality.
In order to solve above-mentioned technical problem, the present invention proposes a kind of aperture opening ratio adjustable two grades of telescopic development machines combination cutter
Dish, including one-level cutter head assembly, two grades of cutter head assemblies and driving means, described driving means includes by motor-driven driving
Axle, described one-level cutter head assembly and two grades of cutter head assemblies are each equipped with axial propulsion plant；Described one-level cutter head assembly includes one
Level cutterhead and one-level cutterhead former dish, described one-level cutterhead is fixed on the front end of drive shaft, and described one-level cutterhead is provided with multiple
First row cinder notch, described one-level cutterhead former dish includes that the first axle sleeve, described first axle sleeve are provided with the first flange, described first
Axle sleeve is provided with internal spline, and described first flange is connected by Yunnan ham multiple the first former radially arranged, and described the
The quantity of one former is equal with the quantity of described first row cinder notch；Described two grades of cutter head assemblies include two grades of cutterheads and two grades of cutterheads
Former dish, described two grades of cutterheads include the second axle sleeve, the second flange and annular disk, and the internal diameter of this annual disk is more than one-level cutterhead
External diameter；Described annular disk is provided with multiple second row cinder notch, and described second axle sleeve is provided with internal spline and external splines；Described two grades of cuttves
Dish former dish includes that the 3rd axle sleeve, described 3rd axle sleeve are provided with three-flange, and described 3rd axle sleeve is provided with internal spline, described
Connected by Yunnan ham on three-flange and have multiple the second former radially arranged, the quantity of described second former and described second
The quantity of slag-drip opening is equal；It is connected for spline between described second axle sleeve with described 3rd axle sleeve；Described drive shaft is multidiameter,
Described drive shaft is provided with the two sections of external splines coordinated respectively with described first axle sleeve internal spline and described second axle sleeve internal spline；
Between described first axle sleeve and drive shaft and it is spline between described second axle sleeve and drive shaft to be connected.
In the present invention, a length of A3 of described second axle sleeve, the internal spline on the second axle sleeve is elongated, on the second axle sleeve
External splines is positioned at the front end of this second axle sleeve and a length of A2, and wherein, A2 is less than A3.
The panel of described one-level cutterhead is provided with center cutter, positive hobboing cutter, limit cutter and scraper；On the panel of described two grades of cutterheads
It is provided with positive hobboing cutter, limit cutter and scraper.
Compared with prior art, the invention has the beneficial effects as follows:
It solves that the most seriously to perplex the cutterhead geological adaptability of shield-tunneling construction poor, shield driving efficiency
Recycling rate of waterused low, cutterhead is low and cutterhead aperture opening ratio etc. is fixing problem, theoretical according to geological adaptability, uses and opens greatly
The allocation plan of mouth rate cutterhead supporting former dish so that two grades of flexible cutterheads can regulate stretching of two grades of cutterheads in tunneling process
Contracting driving, can adjust again cutterhead aperture opening ratio at different levels to adapt to various geological stratification.Set owing to two grades of cutter disc system of employing are split type
Meter, substantially increases the geological adaptability of large-diameter shield cutterhead, improves the Acceptable life of cutterhead, and economy very may be used
See.
Accompanying drawing explanation
Fig. 1 is that the secondary groups of the present invention closes cutterhead end direction view；
Fig. 2 is that secondary groups of the present invention closes cutter axis direction view；
Fig. 3 is the end direction view that secondary groups of the present invention closes when cutterhead the two poles of the earth are in maximum open；
Fig. 4 is the schematic diagram that secondary groups of the present invention conjunction cutterhead only regulates two grades of openings；
Fig. 5 is two grades of cutter head assembly end direction view in the present invention；
Fig. 6 is the end direction view of two grades of cutterhead former dishes in the present invention；
Fig. 7 is one-level cutterhead end direction view in the present invention；
Fig. 8 is the end direction view of one-level cutterhead former dish in the present invention；
Fig. 9 is that in the present invention, only one-level cutterhead carries out the view tunneled；
Figure 10 is one-level cutterhead former dish and one-level cutterhead disengaged position enlarged diagram in tunneling process；
Figure 11 is two grades of annexation enlarged diagrams between cutter head assembly and drive shaft in the present invention.
In figure: 1-one-level cutter head assembly cutter, bis-grades of cutter head assemblies of 2-, 3-drive shaft, 4-one-level cutterhead, 5-one-level cutterhead width
Plate disc, 6-first row cinder notch, 7-the first axle sleeve, 8-the first flange, 9-the first former, bis-grades of cutterheads of 10-, bis-grades of cutterhead width of 11-
Plate disc, 12-the second axle sleeve, 13-the second flange, 14-annular disk, 15-second row cinder notch, 16-the 3rd axle sleeve, 17-three-flange,
18-the second former, 19-main hydraulic cylinder, 20-cutterhead telescopic hydraulic cylinder, 21-former dish telescopic hydraulic cylinder.
Detailed description of the invention
Being described in further detail technical solution of the present invention with specific embodiment below in conjunction with the accompanying drawings, described is concrete
The present invention is only explained by embodiment, not in order to limit the present invention.
The adjustable two grades of telescopic development machine assembled cutter heads of a kind of aperture opening ratio that the present invention proposes, as depicted in figs. 1 and 2,
Including one-level cutter head assembly 1, two grades of cutter head assemblies 2 and driving means, described driving means includes by motor-driven drive shaft
3, described one-level cutter head assembly 1 and two grades of cutter head assemblies 2 are each equipped with axial propulsion plant.
As shown in Fig. 1, Fig. 7 and Fig. 8, described one-level cutter head assembly 1 includes one-level cutterhead 4 and one-level cutterhead former dish 5, institute
The panel stating one-level cutterhead 4 is provided with center cutter, positive hobboing cutter, limit cutter and scraper.Described one-level cutterhead 4 is fixed on drive shaft 3
Front end, described one-level cutterhead 4 is provided with multiple first row cinder notch 6, and described one-level cutterhead former dish 5 includes the first axle sleeve 7, described
First axle sleeve 7 is provided with the first flange 8, and described first axle sleeve 7 is provided with internal spline, and described first flange 8 is connected by Yunnan ham
Having multiple the first former 9 radially arranged, the quantity of described first former 9 is equal with the quantity of described first row cinder notch 6.
As shown in Fig. 2, Fig. 5, Fig. 6 and Figure 11, described two grades of cutter head assemblies 2 include two grades of cutterheads 10 and two grades of cutterhead formers
Dish 11, the panel of described two grades of cutterheads 10 is provided with positive hobboing cutter, limit cutter and scraper.Described two grades of cutterheads 10 include the second axle sleeve
12, the second flange 13 and annular disk 14, the internal diameter of this annual disk 14 is more than the external diameter of one-level cutterhead 4；Set on described annular disk 14
Multiple second row cinder notch 15, described second axle sleeve 12 is had to be provided with internal spline and external splines；The a length of A3 of described second axle sleeve 12,
Internal spline on second axle sleeve 12 is elongated, and the external splines on the second axle sleeve 12 is positioned at front end and the length of this second axle sleeve 12
For A2, wherein, A2 is less than A3；As shown in figure 11.Described two grades of cutterhead former dishes 11 include the 3rd axle sleeve 16, described 3rd axle sleeve
16 are provided with three-flange 17, and described 3rd axle sleeve 16 is provided with internal spline, and described three-flange 17 has many by Yunnan ham connection
Individual the second former 18 radially arranged, the quantity of described second former 18 is equal with the quantity of described second row cinder notch 15；
Described second axle sleeve 12 is connected for spline between described 3rd axle sleeve 16.
As shown in figure 11, described drive shaft 3 is multidiameter, described drive shaft 3 be provided with respectively with on described first axle sleeve 7
Internal spline and described second axle sleeve 12 on internal spline coordinate two sections of external splines；Between described first axle sleeve 7 and drive shaft 3
And be spline between described second axle sleeve 12 and drive shaft 3 and be connected.
Embodiment: the detailed process of the adjustable two grades of telescopic development machine assembled cutter heads of aperture opening ratio of the present invention is:
In the present embodiment, driving means includes that, by the drive shaft 3 of driven by motor, axial propulsion plant can use hydraulic cylinder
System, this cylinder device includes for axially promoting the main hydraulic cylinder 19 of drive shaft and multiple for axially promoting cutterheads at different levels
Cutterhead telescopic hydraulic cylinder 20 and multiple for axially promoting the former dish telescopic hydraulic cylinder 21 of cutterhead formers at different levels, such as Fig. 2, figure
Shown in 9 and Figure 10.
In the present invention, one-level cutterhead 4 is connected with drive shaft 3, and one-level cutterhead former dish 5 is connected with drive shaft by spline, real
Existing one-level cutterhead 4, one-level cutterhead former dish 5 coaxially turn；Meanwhile, the main hydraulic cylinder in cylinder device and former dish stretch
Hydraulic cylinder linkage advances drive shaft and one-level cutterhead former dish 5, it is achieved the driving of one-level cutterhead.In one-level cutterhead tunneling process,
When running into geological stratification change, can determine that aperture opening ratio is (i.e. by regulation one-level cutterhead former dish 5 position relative with one-level cutterhead 4
First former 9 leaves space after blocking first row cinder notch 6) size, its set-up procedure is as follows: first, and one-level cutterhead 4 pushes away forward
Enter or one-level cutterhead former dish 5 hydraulic cylinder shrinks the drive shaft 3 with external splines that one-level cutterhead is connected and (drives one
Level cutterhead former dish 5) internal spline of first axle sleeve 7 departs from；Then, drive shaft 3 drives one-level cutterhead 4 to rotate to the position needed
Put (i.e. approximation is to the position of integer spline tooth)；One-level cutterhead former dish 5 is axially advanced joins to the spline in drive shaft 3
Close, so far complete one-level cutter head assembly 1 aperture opening ratio and adjust.
In the present invention, by calculating and designing the entire area of one-level cutterhead, the aperture area of one-level cutterhead and one-level cutter
The area of dish former dish, can obtain the adjusting range of the one-level cutterhead aperture opening ratio needed, preferred one-level cutter disc groups in the present invention
The controlled range of part 1 aperture opening ratio is 16%～60%.This calculating design content belongs to general knowledge known in this field, the most superfluous at this
State.The accuracy requirement of aperture opening ratio is adjusted, it is also possible to adjust the inside and outside flower of engagement between drive shaft 3 and the first axle sleeve 7 according to reality
The number of teeth of key realizes, and in the present embodiment, the inner spline groove of the first axle sleeve 7 is elongated design, matched in drive shaft 3 outside
Length H of spline, its concrete numerical value is to meet the distance of stretch out and draw back during one-level cutter head assembly regulates aperture opening ratio, such as figure
Shown in 10.
In the present invention, two grades of cutterheads 10 pass sequentially through the second flange 13 and the second axle sleeve 12 is connected with drive shaft 3, two grades of cuttves
Dish former dish 11 passes sequentially through three-flange the 17, the 3rd axle sleeve 16 and the second axle sleeve 12 is connected with drive shaft 3, it is achieved two grades of cutterheads
10, two grades of cutterhead former dishes 11 coaxially turn, as shown in figure 11；Meanwhile, the main hydraulic cylinder in cylinder device and former dish
Telescopic hydraulic cylinder linkage advances drive shaft 3 and two grades of cutterhead former dishes 11, it is achieved the driving of two grades of cutterheads 10.Two grades of cutterhead drivings
During, when running into geological stratification change, can be determined with two grades of relative positions of cutterhead 10 by two grades of cutterhead former dishes 11 of regulation
The size of two grades of cutter head assembly 2 aperture opening ratios, its set-up procedure is as follows: first, the second axle sleeve 16 under the drive of drive shaft 3 forward
Advance or at two grades of former dish telescopic hydraulic cylinders together with two grades of cutterhead former dishes 11, three-flange 17 and the 3rd axle sleeve 16 times
Retreat to spline fitted section between the 3rd axle sleeve 16 and the second axle sleeve 12 depart from；Then, drive shaft 3 drive successively two grades of axle sleeves 12,
Two grades of cutterheads 10 rotate to the position (i.e. approximation is to the position of integer spline tooth) needed；Two grades of cutterhead former dishes 11 push away vertically
Proceed to the 3rd axle sleeve 16 and the spline fitted of the second axle sleeve 12, so far complete two grades of cutter head assembly 2 aperture opening ratio and adjust.This
In bright, the controlled range of preferably two grades cutter head assembly 2 aperture opening ratios is 20%～70%.
In the present invention, a length of A3 of the second axle sleeve 12, a length of A2 of described second axle sleeve 12 upper spline shaft part, the 3rd
The a length of A1 of the splined shaft section coordinated with the second axle sleeve in a length of A4 of axle sleeve 16, drive shaft 3, as shown in figure 11, wherein,
A1 > A2 > A4, and A3-A2 > A4.
Generally cutterhead aperture opening ratio span: in (1) stream plastic clay, shield cutter aperture opening ratio selects 30%～40% left side
The right side, owing to soil layer intensity is relatively low, less aperture opening ratio is favourable to controlling the deformation of excavation face soil layer.(2) shield in stiff plastic clay
Cutterhead aperture opening ratio the most preferably less than 50%, owing to soil layer cohesive strength is high, it is the most unfavorable that shield is unearthed by little aperture opening ratio.(3) cutterhead is opened
Mouth rate is when 30% and 50%, and the supporting pressure of cutterhead is closer to the crustal stress corresponding to this geology, to face supporting
Ratio is advantageous.(4) when aperture opening ratio > 70% time, clay bin soil body trend of sinking is obvious.
Fig. 1 illustrates cutterhead integral finish rate minimum state such as, i.e. I and II cutterhead former dish is completely embedded into corresponding cutterhead
Open area in；Fig. 3 illustrates state when I and II cutter head assembly is in maximum open, and Fig. 4 shows only regulation two grades
The state of cutter head assembly opening, the web portion of i.e. one or two grades cutter disc system former dishes blocks at corresponding cutterhead behind, and zero layer amasss
Embed corresponding cutterhead open area；In the embodiment of the present invention, it is overall (by one-level cutter head assembly and two grades of cutter head assembly structures
Become) the adjustable extent of total aperture opening ratio be 20%～70%, can meet under above-mentioned different geological environment cutterhead aperture opening ratio
Requirement.
Two grades of cutterhead independent telescope drivings of the present invention mainly have following three kinds of tunneling methods: the first is one-level cutter head assembly
1 first tunnels, and tunnels after two grades of cutter head assemblies 2；The second is that two grades of cutter head assemblies 2 first tunnel, and tunnels after one-level cutter head assembly 1；
The third tunnels for I and II cutter head assembly 1 and 2 shape is integral simultaneously.
The first tunneling method described is: one-level cutter head assembly 1 promotes one-level cutterhead 4 to tunnel, according to reality by drive shaft 3
Border geological conditions regulates one-level cutter head assembly 1 aperture opening ratio, as shown in Figure 9 by one-level cutterhead former dish 5.Subsequently, by two grades of cuttves
The former dish telescopic hydraulic cylinder of dish telescopic hydraulic cylinder and two grades of cutterhead formers advances two grades of cutter head assemblies 2 to tunnel, as shown in Figure 2；
Regulated the aperture opening ratio of two grades of cutter head assemblies by two grades of cutterhead former dishes 11 according to actual geological conditions.
Described the second tunneling method is: the former dish telescopic hydraulic of two grades of cutterhead telescopic hydraulic cylinders and two grades of cutterhead formers
Cylinder advances two grades of cutter head assembly drivings, regulates two grades of cutter head assemblies 2 according to actual geological conditions by two grades of cutterhead former dishes 11
Aperture opening ratio.Subsequently, while drive shaft 3 drives, main hydraulic cylinder advances one-level cutter head assembly 1 to tunnel, according to actual geological conditions
The aperture opening ratio of one-level cutter head assembly 1 is regulated by one-level cutterhead former dish 5.
The third tunneling method described is: I and II cutter head assembly synchronizes driving simultaneously, and solid cutter aperture opening ratio can be by
I and II cutterhead former dish coordinates adjustment.
In sum, during assembled cutter head of the present invention work, cutterhead bearing loads at different levels are little, improve the intensity of structure, rigidity
With load distribution equilibrium so that cutterhead not reason stress is excessive, unbalance stress and deform.Cutterhead has three kinds of headwork moulds
Formula and multiple adjustment aperture opening ratio mode, can select optimum mode of operation for different geological conditions, improve the suitable of cutterhead
Answering property driving ability, also improves driving safety and drivage efficiency.The present invention is scalable and the adjustable assembled cutter head of aperture opening ratio
At different levels broken rock gross thrust, moment of torsion and maximum stress all much smaller than same diametral plane cutterhead, it is achieved that cutter head panel structure create
New design.
Although above in conjunction with accompanying drawing, invention has been described, but the invention is not limited in above-mentioned being embodied as
Mode, above-mentioned detailed description of the invention is only schematic rather than restrictive, and those of ordinary skill in the art is at this
Under the enlightenment of invention, without deviating from the spirit of the invention, it is also possible to make many variations, these belong to the present invention's
Within protection.
Claims (3)
1. the adjustable two grades of telescopic development machine assembled cutter heads of aperture opening ratio, including one-level cutter head assembly (1), two grades of cutter disc groups
Part (2) and driving means, described driving means includes by motor-driven drive shaft (3), described one-level cutter head assembly (1) and two
Level cutter head assembly (2) is each equipped with axial propulsion plant；It is characterized in that:
Described one-level cutter head assembly (1) includes one-level cutterhead (4) and one-level cutterhead former dish (5), and described one-level cutterhead (4) is fixed
In the front end of drive shaft (3), described one-level cutterhead (4) is provided with multiple first row cinder notch (6), described one-level cutterhead former dish
(5) including that the first axle sleeve (7), described first axle sleeve (7) are provided with the first flange (8), described first axle sleeve (7) is provided with interior flower
Key, described first flange (8) is connected by Yunnan ham and has multiple the first former (9) radially arranged, described first former
(9) quantity is equal with the quantity of described first row cinder notch (6)；
Described two grades of cutter head assemblies (2) include two grades of cutterheads (10) and two grades of cutterheads former dish (11), described two grades of cutterheads (10)
Including the second axle sleeve (12), the second flange (13) and annular disk (14), the internal diameter of this annual disk (14) is more than one-level cutterhead (4)
External diameter；Described annular disk (14) is provided with multiple second row cinder notch (15), and described second axle sleeve (12) is provided with internal spline and outer flower
Key；Described two grades of cutterheads former dish (11) include that the 3rd axle sleeve (16), described 3rd axle sleeve (16) are provided with three-flange (17),
Described 3rd axle sleeve (16) is provided with internal spline, described three-flange (17) is connected by Yunnan ham have and multiple radially arranges
Second former (18), the quantity of described second former (18) is equal with the quantity of described second row cinder notch (15)；Described second axle
Set (12) is connected for spline between described 3rd axle sleeve (16)；
Described drive shaft (3) is multidiameter, described drive shaft (3) be provided with respectively with the internal spline on described first axle sleeve (7)
The two sections of external splines coordinated with the internal spline on described second axle sleeve (12)；Between described first axle sleeve (7) and drive shaft (3) and
It is spline between described second axle sleeve (12) and drive shaft (3) to be connected.
The adjustable two grades of telescopic development machine assembled cutter heads of aperture opening ratio the most according to claim 1, it is characterised in that: described
The a length of A3 of two axle sleeves (12), the internal spline on the second axle sleeve (12) is elongated, and the external splines on the second axle sleeve (12) is positioned at
The front end of this second axle sleeve (12) and a length of A2, wherein, A2 is less than A3.
The adjustable two grades of telescopic development machine assembled cutter heads of aperture opening ratio the most according to claim 1, it is characterised in that: described one
The panel of level cutterhead (4) is provided with center cutter, positive hobboing cutter, limit cutter and scraper；The panel of described two grades of cutterheads (10) is just provided with
Hobboing cutter, limit cutter and scraper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610627503.0A CN106050251B (en) | 2016-07-29 | 2016-07-29 | A kind of telescopic development machine assembled cutter head of the adjustable two level of aperture opening ratio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610627503.0A CN106050251B (en) | 2016-07-29 | 2016-07-29 | A kind of telescopic development machine assembled cutter head of the adjustable two level of aperture opening ratio |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106050251A true CN106050251A (en) | 2016-10-26 |
| CN106050251B CN106050251B (en) | 2018-02-09 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610627503.0A Expired - Fee Related CN106050251B (en) | 2016-07-29 | 2016-07-29 | A kind of telescopic development machine assembled cutter head of the adjustable two level of aperture opening ratio |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107013227A (en) * | 2017-04-13 | 2017-08-04 | 西安交通大学 | Plane and the muck removal device of two-stage cutterhead for full face rock tunnel boring machine |
| CN109098726A (en) * | 2018-10-10 | 2018-12-28 | 中建八局轨道交通建设有限公司 | Improve the remodeling method of shield machine combined type cutterhead aperture opening ratio |
| CN109139032A (en) * | 2018-10-29 | 2019-01-04 | 中铁工程装备集团有限公司 | One kind being suitable for super-large diameter hard rock mole cutterhead |
| CN109209406A (en) * | 2018-10-18 | 2019-01-15 | 上海隧道工程有限公司 | Promote the shield cutter configuration structure and method of the dregs flowing space |
| CN109236309A (en) * | 2018-10-27 | 2019-01-18 | 重庆大学 | A kind of telescopic cutterhead that can be got rid of poverty after cutter head of shield machine is stuck |
| CN109386290A (en) * | 2018-11-22 | 2019-02-26 | 中煤科工集团上海有限公司 | A kind of extension type fission cutterhead |
| CN109538212A (en) * | 2018-12-06 | 2019-03-29 | 中建地下空间有限公司 | A kind of rotary reducing envelope forming tunneling boring drilling tool |
| CN109667594A (en) * | 2018-12-25 | 2019-04-23 | 上海城建市政工程（集团）有限公司 | A kind of mechanical device and its application method of changeable cutterhead aperture opening ratio |
| CN110748346A (en) * | 2019-12-25 | 2020-02-04 | 中国铁建重工集团股份有限公司 | Full-section large-diameter shaft heading machine and heading device thereof |
| CN112727490A (en) * | 2021-02-04 | 2021-04-30 | 核工业井巷建设集团有限公司 | Pipe jacking machine head with adjustable opening rate and mud-water balance pipe jacking machine |
| CN112936036A (en) * | 2021-02-01 | 2021-06-11 | 徐州工业职业技术学院 | Miniature grinding device is used in machine design manufacturing |
| CN113338981A (en) * | 2021-07-14 | 2021-09-03 | 成都未来智隧科技有限公司 | Excavation cutter head of heading machine and heading machine |
| CN113391051A (en) * | 2020-03-12 | 2021-09-14 | 辽宁工程技术大学 | Slurry shield simulation test device with adjustable cutter head opening rate and simulation method thereof |
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| JPH05149089A (en) * | 1991-11-27 | 1993-06-15 | Sumitomo Heavy Ind Ltd | Driving mechanism of double inversion cutter head of shield machine |
| CN101798928A (en) * | 2009-02-09 | 2010-08-11 | 上海力行工程技术发展有限公司 | Large-diameter earth pressure balance shield machine |
| CN101749027A (en) * | 2010-01-13 | 2010-06-23 | 天津大学 | Multi-adaptive cutter head for shield machine |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107013227A (en) * | 2017-04-13 | 2017-08-04 | 西安交通大学 | Plane and the muck removal device of two-stage cutterhead for full face rock tunnel boring machine |
| CN109098726A (en) * | 2018-10-10 | 2018-12-28 | 中建八局轨道交通建设有限公司 | Improve the remodeling method of shield machine combined type cutterhead aperture opening ratio |
| CN109209406A (en) * | 2018-10-18 | 2019-01-15 | 上海隧道工程有限公司 | Promote the shield cutter configuration structure and method of the dregs flowing space |
| CN109236309A (en) * | 2018-10-27 | 2019-01-18 | 重庆大学 | A kind of telescopic cutterhead that can be got rid of poverty after cutter head of shield machine is stuck |
| CN109139032A (en) * | 2018-10-29 | 2019-01-04 | 中铁工程装备集团有限公司 | One kind being suitable for super-large diameter hard rock mole cutterhead |
| CN109386290B (en) * | 2018-11-22 | 2024-01-30 | 中煤科工集团上海有限公司 | Telescopic split cutterhead |
| CN109386290A (en) * | 2018-11-22 | 2019-02-26 | 中煤科工集团上海有限公司 | A kind of extension type fission cutterhead |
| CN109538212A (en) * | 2018-12-06 | 2019-03-29 | 中建地下空间有限公司 | A kind of rotary reducing envelope forming tunneling boring drilling tool |
| CN109667594A (en) * | 2018-12-25 | 2019-04-23 | 上海城建市政工程（集团）有限公司 | A kind of mechanical device and its application method of changeable cutterhead aperture opening ratio |
| CN110748346A (en) * | 2019-12-25 | 2020-02-04 | 中国铁建重工集团股份有限公司 | Full-section large-diameter shaft heading machine and heading device thereof |
| CN113391051A (en) * | 2020-03-12 | 2021-09-14 | 辽宁工程技术大学 | Slurry shield simulation test device with adjustable cutter head opening rate and simulation method thereof |
| CN112936036A (en) * | 2021-02-01 | 2021-06-11 | 徐州工业职业技术学院 | Miniature grinding device is used in machine design manufacturing |
| CN112936036B (en) * | 2021-02-01 | 2023-01-24 | 徐州工业职业技术学院 | Miniature grinding device is used in machine design manufacturing |
| CN112727490A (en) * | 2021-02-04 | 2021-04-30 | 核工业井巷建设集团有限公司 | Pipe jacking machine head with adjustable opening rate and mud-water balance pipe jacking machine |
| CN113338981A (en) * | 2021-07-14 | 2021-09-03 | 成都未来智隧科技有限公司 | Excavation cutter head of heading machine and heading machine |
| CN113338981B (en) * | 2021-07-14 | 2024-04-05 | 成都未来智隧科技有限公司 | Development machine excavation cutterhead and development machine |
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| CN106050251B (en) | 2018-02-09 |
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