CN209483361U - Tunneling boring profiling excavating device - Google Patents
Tunneling boring profiling excavating device Download PDFInfo
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- CN209483361U CN209483361U CN201920052526.2U CN201920052526U CN209483361U CN 209483361 U CN209483361 U CN 209483361U CN 201920052526 U CN201920052526 U CN 201920052526U CN 209483361 U CN209483361 U CN 209483361U
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- profiling
- knife beam
- imitation
- excavating device
- tunneling boring
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Abstract
The utility model proposes a kind of tunneling boring profiling excavating device, including cutterhead assembly and anterior shield, cutterhead assembly includes rack sleeve, and the rack sleeve is equipped with flexible imitation-shaped knife beam, and imitation-shaped knife beam is equipped with support wheel, support wheel and the ring rail phase inscribe on anterior shield.The advantages of the utility model: realizing the full face tunneling of complex geological in particular soft rock tunnel, and the labor intensity for advantageously reducing the gross thrust of development machine and manually handling into cabin improves tunneler construction efficiency；Meanwhile shape of a hoof development machine is tunneled under using earth pressure balance mode or mud and water balance mode, imitation-shaped knife beam stretches, and stroke control is simple, and structure is reliable, and the operation of profiling track is accurate, and overall cost is cheap, the excavation solution for horse-shoe tunnel first choice of can yet be regarded as.
Description
Technical field
The utility model relates to the technical fields of constructing tunnel equipment, particularly relate to a kind of tunneling boring profiling excavating device.
Background technique
The mountain tunnels such as domestic road and rail are often u-shaped cross-section, tunnel excavation usually using full section drill burst method,
The tradition engineering method such as benching tunnelling method, CD method, CRD method, two side-wall pilot tunnel, to realize that personnel are safer, execution conditions are more environmentally friendly, the duration
Shorter, demands such as cost control is less expensive, domestic and international professional technician to horse-shoe tunnel using shield construction into
It has gone numerous studies, has realized that the mechanical type excavated is varied, such as:
" a kind of slurry-water balance type shape of a hoof shield machine " utilizes one big circular beater plate and special-shaped cutterhead (eccentric swing) group
At knife cutting go out horse-shoe tunnel, utilize mud and water balance mode excavate face stability；
Refer to that its equipment includes host in " shape of a hoof shield excavating device and tunnel excavation method of anhydrous soft soil tunnel "
Bracket, upper shield assembly and side push assembly and stride walking assembly, using excavator or other equipment with data mining duty
It carries out open type and excavates operation, and design synchronous deslagging device, make two processes while carrying out, improve operating efficiency；
" a kind of large section shape of a hoof shield machine " utilizes earth pressure balance principle, the circular beater plate being distributed using several front and backs
It is excavated, the section of jurisdiction finished using newest ring assembly carries out the propulsion of complete machine as brace foundation, which is covering Sinorael road
Baicheng tunnel possesses successful application case；
" a kind of special-shaped development machine for single line soft rock tunnel " utilizes earth pressure balance principle, totally different using above-mentioned patent
The cutterhead of combination carries out horse-shoe tunnel excavation, and the section of jurisdiction finished using assembly carries out the propulsion of complete machine as brace foundation；
" it is a kind of for horse-shoe tunnel can cast-in-place supporting shield machine " tunneled using earth pressure balance principle,
, as stretching basis, to be passed by the counter-force that friction provides, and by lever+flexural pivot apart from the section of jurisdiction that the far assembly of host finishes
Power carries out the propulsion of complete machine, excavate using three dise knife disks and three eccentric circular cutting disks combinations in the same plane and
At；
" special section tunnel shield excavation machine " (Hitachi Zosen Corporation) is by utilizing digging control device and root
According to the corner of cutterhead and the advance and retreat amount of profiling cutter, the advance and retreat amount of each cutterhead spoke is controlled, the cutterhead when profiling cutter retreats
Spoke excavates minor axis part, and major diameter part is excavated when profiling cutter is prominent, can readily excavate special section tunnel etc..
To sum up known, it is mostly that combined type is adopted generally directed to V grades of soft rock Soft Clay tunnels that domestic horse-shoe tunnel, which excavates,
It is slagged tap with earth pressure balance principle or mud and water balance principle, a little blind area is to influence very little, but to IV grades of country rocks, blind area
Influence cannot but be ignored.And foreign countries have been improved in the excavation solution of special section tunnel, using hydraulic+Electrical System
The mode that jointly controls of uniting simulates the advance and retreat amount of imitation-shaped knife, to achieve the purpose that special-shaped tunnel full-section excavation, but it is this
The precision demand that method controls hydraulic unit executive capability and electric system is very high, and brought cost of equipment is also
It is huge.So, need that a kind of construction reliability is very high, exploitation of cost relative moderate, safety and environmental protection in practice of construction
Method.
Utility model content
The utility model proposes a kind of tunneling boring profiling excavating devices, solve existing using hydraulic+electric system joint
The huge problem of the mode cost of equipment of imitation-shaped knife is controlled, IV grades of loess, pan soil, completely decomposed rock, shale, mud stone etc. is adapted to and encloses
Rock geology, section excavation rate are 100%, realize the broader application field of horse-shoe tunnel.
The technical solution of the utility model is achieved in that a kind of tunneling boring profiling excavating device, including cutterhead assembly
And anterior shield, cutterhead assembly include rack sleeve, the rack sleeve is equipped with flexible imitation-shaped knife beam, and imitation-shaped knife beam is equipped with
Support wheel, support wheel and the ring rail phase inscribe on anterior shield.
Thrust mechanism is equipped between the imitation-shaped knife beam and rack sleeve.
The rack sleeve is equipped with housing knife beam, and imitation-shaped knife beam includes inner sleeve and outer cutter head, and inner sleeve is located at outer
It covers in knife beam, thrust mechanism is equipped between inner sleeve and housing knife beam, inner sleeve is connect with outer cutter head, and outer cutter head is equipped with support
Wheel.
The thrust mechanism is push action cylinder.
The housing knife beam is mounted on small collar tie beam.
The rack sleeve is equipped with conventional knife beam.
The conventional knife beam is mounted on small collar tie beam.
The imitation-shaped knife beam and conventional knife beam are alternately arranged.
Imitation-shaped knife beam and three conventional knife beams there are three being set on the rack sleeve.
The rack sleeve is equipped with center fish tail knife.
The anterior shield includes horseshoe-shaped section outer profile, and section outer profile is parallel with ring rail.
The anterior shield is equipped with conical ring, and ring rail is connect with conical ring, the shield shell medial surface connection of ring rail and anterior shield.
The advantages of the utility model: the full face tunneling of complex geological in particular soft rock tunnel is realized, is advantageously reduced
The gross thrust of development machine and the labor intensity manually handled into cabin, improve tunneler construction efficiency；Meanwhile shape of a hoof development machine
It is tunneled under using earth pressure balance mode or mud and water balance mode, imitation-shaped knife beam stretches, and stroke control is simple, and structure is reliable, profiling
Track operation is accurate, and overall cost is cheap, the excavation solution for horse-shoe tunnel first choice of can yet be regarded as.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the utility model cutter head structural schematic diagram.
Fig. 2 is the utility model anterior shield structural schematic diagram.
Fig. 3 is the utility model Copying tool pan structural schematic diagram.
Fig. 4 is the utility model support wheel and ring rail contact structures schematic diagram.
Fig. 5 is that the utility model excavates track schematic diagram.
In figure: 1. cutterhead assemblies, 101. imitation-shaped knife beams, 1011. inner sleeves, 1012. outer cutter heads, 102. housing knife beams,
103. conventional knife beam, 104. small collar tie beams, 105. rack sleeves, 106. support wheels, 107. torsion legs, 108. push action cylinders, 2. anterior shields,
201. ring rails, 202. pressure chamber partitions, 203. conical rings, 204. section outer profiles.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are under that premise of not paying creative labor
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Fig. 1 to 5, a kind of tunneling boring profiling excavating device, including cutterhead assembly 1 and horseshoe-shaped anterior shield 2, cutterhead
Assembly 1 is located at the front end of front end 2 and is connect by turning round leg 107 with the driving device at rear portion, and cutterhead assembly 1 includes the main shaft at center
Sleeve 105, alternately equipped with radial three housing knives beam 102 and three conventional knife beams 103 on rack sleeve 105, three outer
Set knife beam 102 and three conventional knife beams 103 are each attached on small collar tie beam 104, and flexible imitation-shaped knife beam is installed on housing knife beam 102
101, imitation-shaped knife amount 101 includes inner sleeve 1011 and outer cutter head 1012, and inner sleeve 1011 is located in housing knife beam 102, and inner sleeve
Push action cylinder 1108 is equipped between cylinder 1011 and housing knife beam 102, outer cutter head 1012 is mounted on inner sleeve 1011, outer cutter head
Support wheel 106 is installed, support wheel 106 is with the 201 phase inscribe of ring rail on anterior shield 2, the section outer profile 204 of anterior shield 2 on 1012
The shape of a hoof, ring rail 201 is parallel with horseshoe-shaped section outer profile 204, and pressure chamber partition 202, pressure chamber partition are equipped in front end 2
202 connect with one end of conical ring 203, and the other end of conical ring 203 is connect with the shield shell medial surface of anterior shield 2, one end of ring rail 201 with
Conical ring 203 connects, and the other end of ring rail 201 is connect with the shield shell medial surface of anterior shield 2.
The workflow of the utility model is as follows:
The cutterhead assembly of the utility model realizes that the mechanical structure mode of horse-shoe tunnel full face tunneling is reliably rigorous, control
System processed is simply clear.Constant thrust is provided by push action cylinder between support wheel and horseshoe-shaped ring rail to be in contact always (in detail
See Fig. 2,4), when the axle center of cutterhead assembly rack sleeve rotates, conventional knife beam, which rotates with, cuts circular tunnel section, then leads to
It crosses support wheel to be rolled along ring rail to control imitation-shaped knife beam in radial flexible stroke, then mutual folded with axle center spinning movement
Add, to complete the excavation of the area of entire u-shaped cross-section than circular.
It while rotation occurs for support wheel, and revolves along with imitation-shaped knife beam, is conducive to support wheel in this way with imitative
The cutting output of shape knife beam Real-time Feedback shape of a hoof profile, promotes horse-shoe tunnel cross section correct truer, electric-control system is got rid of
Control the complicated calculations that each imitation-shaped knife beam stretches out retraction displacement amount, it is only necessary to command push action cylinder to keep thrust, promote to support
Wheel contacts ring rail always.Therefore the content of the present invention is practical and efficient innovative approach.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. a kind of tunneling boring profiling excavating device, including cutterhead assembly (1) and anterior shield (2), cutterhead assembly (1) includes rack sleeve
(105), it is characterised in that: the rack sleeve (105) is equipped with flexible imitation-shaped knife beam (101), on imitation-shaped knife beam (101)
Equipped with support wheel (106), support wheel (106) and ring rail (201) phase inscribe on anterior shield (2).
2. tunneling boring profiling excavating device according to claim 1, it is characterised in that: the imitation-shaped knife beam (101) with
Thrust mechanism is equipped between rack sleeve (105).
3. tunneling boring profiling excavating device according to claim 1 or 2, it is characterised in that: the rack sleeve (105)
It is equipped with housing knife beam (102), imitation-shaped knife beam (101) includes inner sleeve (1101) and outer cutter head (1102), inner sleeve (1101)
In housing knife beam (102), thrust mechanism, inner sleeve (1101) are equipped between inner sleeve (1101) and housing knife beam (102)
It is connect with outer cutter head (1102), outer cutter head (1102) is equipped with support wheel (106).
4. tunneling boring profiling excavating device according to claim 3, it is characterised in that: the thrust mechanism is thrust oil
Cylinder (108).
5. tunneling boring profiling excavating device according to claim 1, it is characterised in that: the anterior shield (2) includes horseshoe
The section outer profile (204) of shape, section outer profile (204) are parallel with ring rail (201).
6. tunneling boring profiling excavating device according to claim 1, it is characterised in that: the anterior shield (2) is equipped with cone
Ring (203), ring rail (201) are connect with conical ring (203), and ring rail (201) is connect with the shield shell medial surface of anterior shield (2).
7. tunneling boring profiling excavating device according to claim 1, it is characterised in that: on the rack sleeve (105)
Equipped with conventional knife beam (103).
8. tunneling boring profiling excavating device according to claim 1, it is characterised in that: the imitation-shaped knife beam (101) and
Conventional knife beam (103) is alternately arranged.
9. tunneling boring profiling excavating device according to claim 1, it is characterised in that: on the rack sleeve (105)
If there are three imitation-shaped knife beam (101) and three conventional knife beams (103).
10. tunneling boring profiling excavating device according to claim 1, it is characterised in that: on the rack sleeve (105)
Equipped with center fish tail knife.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920052526.2U CN209483361U (en) | 2019-01-14 | 2019-01-14 | Tunneling boring profiling excavating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920052526.2U CN209483361U (en) | 2019-01-14 | 2019-01-14 | Tunneling boring profiling excavating device |
Publications (1)
| Publication Number | Publication Date |
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| CN209483361U true CN209483361U (en) | 2019-10-11 |
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ID=68130802
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| CN201920052526.2U Active CN209483361U (en) | 2019-01-14 | 2019-01-14 | Tunneling boring profiling excavating device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630150A (en) * | 2019-01-14 | 2019-04-16 | 中铁工程装备集团有限公司 | A kind of tunneling boring profiling excavating device |
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2019
- 2019-01-14 CN CN201920052526.2U patent/CN209483361U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630150A (en) * | 2019-01-14 | 2019-04-16 | 中铁工程装备集团有限公司 | A kind of tunneling boring profiling excavating device |
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