CN107218048B - Horseshoe-shaped heading machine propelled by crawler belt - Google Patents
Horseshoe-shaped heading machine propelled by crawler belt Download PDFInfo
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- CN107218048B CN107218048B CN201710621632.3A CN201710621632A CN107218048B CN 107218048 B CN107218048 B CN 107218048B CN 201710621632 A CN201710621632 A CN 201710621632A CN 107218048 B CN107218048 B CN 107218048B
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- horseshoe
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- 230000005641 tunneling Effects 0.000 claims abstract description 13
- 239000002689 soil Substances 0.000 claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 238000005096 rolling process Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 238000010276 construction Methods 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 12
- 238000009412 basement excavation Methods 0.000 abstract description 10
- 230000006641 stabilisation Effects 0.000 abstract description 3
- 238000011105 stabilization Methods 0.000 abstract description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
- E21D11/381—Setting apparatus or devices
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- 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
- E21D9/0607—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield being provided with devices for lining the tunnel, e.g. shuttering
- E21D9/0609—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield being provided with devices for lining the tunnel, e.g. shuttering with means for applying a continuous liner, e.g. sheets of plastics, between the main concrete lining and the rock
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- 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)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention provides a horseshoe-shaped heading machine propelled by a track, which comprises a cutterhead device arranged at the front end, wherein the cutterhead device is arranged on a front shield and is connected with a driving system in the front shield, the rear part of the front shield is provided with a tail shield, the front shield is movably connected with the tail shield, the tail shield is connected with a propelling track which is arranged at the bottom and is used for providing driving, the rear part of the cutterhead device is provided with a spiral conveyor arranged at the bottom of the front shield and at the upper part of the propelling track, the tail shield is connected with an equipment bridge, and a rear matching system is arranged on the equipment bridge. The cutterhead device has the advantages that the excavation rate is high, the semi-open tunneling is adopted, the stabilization of an unstable geological tunnel face is facilitated, meanwhile, the tunneling thrust is smaller than that of a soil pressure balance mode, the front shield and the middle shield are simple in structure, meanwhile, the tunnel support can be matched with a new Olympic method, the occupation of a prefabricated pipe sheet field is avoided, the muck transportation can be carried out by adopting steam, the overall construction cost is low, the technical level requirements on constructors are low, and the like.
Description
Technical Field
The invention relates to tunnel construction equipment, in particular to a horseshoe-shaped heading machine propelled by a crawler belt.
Background
In the current tunnel construction, the shield technology is gradually and widely applied by the advantages of high automation degree, high construction safety, fast construction progress, small pollution, low cost and the like. The shield tunneling machine is a tunneling lining complete equipment which integrates the technologies of machinery, electronics, hydraulic pressure, laser, control and the like into a whole and is highly mechanized and automatic.
The mountain tunnels such as highway and railway are usually provided with horseshoe-shaped sections, and compared with circular tunnels, the horseshoe-shaped section tunnel has higher space utilization rate. The horseshoe-shaped section tunnel is excavated by a full-section drilling and blasting method, a step method, a CD method, a CRD method, a double-side-wall pilot pit method and the like, and in order to realize higher requirements of personnel, construction period, cost control and the like, a great deal of research on improvement of the mechanized construction level of the horseshoe-shaped section tunnel is carried out by domestic very specialized technicians, such as:
a horseshoe-shaped open shield structure and a shield method construction process are disclosed, wherein the horseshoe-shaped section shield structure is adopted, a detachable reaction system is processed by utilizing a plurality of hydraulic jacks and supporting I-steel at the periphery, the work of excavating soil is completed by combining one-stage anti-skid and shield safety guarantee, and after one section is excavated, the reaction system is dismantled for reinforced concrete lining, so that the construction of the tunnel structure is completed;
a muddy water balance type horseshoe-shaped shield machine cuts a horseshoe-shaped tunnel by utilizing a cutter head consisting of a circular cutter head and a special-shaped cutter head (eccentrically swinging), and excavates the surface stability by utilizing a muddy water balance mode;
the equipment in the horseshoe-shaped shield excavation device and tunnel excavation method of the anhydrous soft soil tunnel comprises a main machine support, an upper shield assembly, a side interaction assembly and a walking assembly, wherein an excavator or other equipment with an excavation function is adopted for open excavation operation, and a synchronous slag discharging device is designed, so that two working procedures are carried out simultaneously, and the operation efficiency is improved;
the ultra-large section horseshoe-shaped shield machine utilizes the earth pressure balance principle, adopts a plurality of round cutterheads distributed back and forth to excavate, and uses the latest segment assembled in one ring as a supporting basis to carry out the propulsion of the whole machine; the model has a successful application case in a Mongolian railway white city tunnel;
the special-shaped heading machine for the single-line soft rock tunnel utilizes the earth pressure balance principle, adopts the cutter head in a different combination mode of the ultra-large section horseshoe-shaped shield machine to carry out excavation, and carries out the propulsion of the whole machine by taking the assembled segment as a supporting basis;
a shield machine for cast-in-situ supporting of horseshoe-shaped section tunnel uses earth pressure balance principle to tunnel, uses the assembled segment far from main machine as supporting foundation, and utilizes the counterforce provided by friction to push the whole machine by means of lever and ball hinge force transmission, etc.
Due to different geological structures of various tunnels in China, the adaptability of the horseshoe-shaped shield tunneling machine in a soil pressure balance tunneling and prefabricated segment assembling mode is limited, and when the geology is stable, safe construction equipment with lower construction cost and no pressure maintaining is needed.
Disclosure of Invention
The invention provides a horseshoe-shaped heading machine propelled by a crawler belt, which solves the problem that in the prior art, when geology is stable, a safe construction device with lower construction cost and no pressure maintaining is needed. The device is suitable for geology such as loess, silty clay, quicksand, full weathered rock, and the like, greatly improves the tunnel excavation rate, and realizes synchronous molding of horseshoe-shaped tunnel tunneling and supporting.
The technical scheme of the invention is realized as follows: the utility model provides a horseshoe-shaped development machine propelled by track, includes the cutterhead device that sets up at the front end, cutterhead device install on the front shield and be connected with the actuating system in the front shield, the rear portion of front shield is equipped with the tail shield, front shield and tail shield swing joint, the propulsion track that provides forward thrust of tail shield and bottom is connected, cutterhead device's rear portion is equipped with installs the screw conveyer in front shield bottom and propulsion track upper portion, tail shield and equipment bridge are connected, be equipped with back supporting system on the equipment bridge.
The cutter head device comprises a first cutter head, a second cutter head, a third cutter head, a fourth cutter head and umbrella-shaped eccentric swing cutter heads which are positioned on the same plane, wherein the second cutter head and the first cutter head are arranged on the left side and the right side of the lower portion of the plane, the fourth cutter head and the third cutter head are arranged on the left side and the right side of the middle portion of the plane, the umbrella-shaped eccentric swing cutter heads are arranged on the top of the plane, the first cutter head, the second cutter head, the third cutter head and the fourth cutter head are cross spoke type cutter heads comprising two long and two short spokes, the two long spokes are positioned on the same straight line, and the two short spokes are positioned on the same straight line.
The rotation angle of the second cutterhead is deflected 45 degrees clockwise relative to the rotation angle of the first cutterhead, the rotation angle of the fourth cutterhead is deflected 45 degrees clockwise relative to the rotation angle of the second cutterhead, the rotation angle of the third cutterhead is deflected 45 degrees clockwise relative to the rotation angle of the fourth cutterhead, and the first cutterhead, the second cutterhead, the third cutterhead and the fourth cutterhead synchronously rotate.
The front shield and the tail shield are of horseshoe-shaped shell structures, the front shield is connected with the tail shield through a hinge system, the bottom of the front shield is sealed, and the bottom of the tail shield is opened.
The equipment bridge comprises a temporary support, a telescopic rolling support and a bridge body, wherein the front end of the bridge body is connected with the tail shield, the middle part of the bridge body is provided with the temporary support, and the tail end of the bridge body is provided with the telescopic rolling support.
The rear supporting system comprises a belt conveyor, a guniting manipulator, a steel arch installing machine, a waterproof board paving machine and a material crane, wherein the belt conveyor is arranged from the rear part of the screw conveyor to the tail part of the equipment bridge, the steel arch installing machine is arranged at the front part of the equipment bridge, the guniting manipulator is arranged on the steel arch installing machine, the waterproof board paving machine is arranged at the rear part of the equipment bridge, the material crane is arranged at the tail part of the connecting bridge, and a truck for conveying dregs is arranged at the rear part of the belt conveyor.
The cutterhead device has the advantages that the excavation rate is very high, the semi-open tunneling is adopted, the stabilization of an unstable geological tunnel face is facilitated, meanwhile, the tunneling thrust is smaller than that of a soil pressure balance mode, the front shield and the middle shield are simple in structure, meanwhile, the tunnel support can be matched with a new Olympic method, the occupation of a prefabricated pipe sheet field is avoided, the muck transportation can be carried out by adopting steam, the overall construction cost of the engineering is low, the technical level requirements on constructors are low, and the like.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a development machine.
Fig. 2 is a schematic structural diagram of the cutterhead device.
Fig. 3 is a cross-sectional view of the propulsion track and tail shield.
In the figure: 1. cutterhead assembly 101, first cutterhead 102, second cutterhead 103, third cutterhead 104, fourth cutterhead 105, umbrella-shaped eccentric swing cutterhead 2, front shield 3, drive system 4, tail shield 5, articulation system 6, propulsion track 7, equipment bridge 701, temporary support 702, telescopic rolling support 703, bridge body 8, screw conveyor 9, rear mating system 901, belt conveyor 902, guniting manipulator 903, steel arch mounting machine 904, flashing laying machine 905, material crane 906, truck.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-3, a horseshoe-shaped heading machine propelled by a track comprises a cutterhead device 1 arranged at the front end, wherein the cutterhead device 1 is arranged on a front shield 2 and is connected with a driving system 3 in the front shield 2, a tail shield 4 is arranged at the rear part of the front shield 2, the front shield 2 is movably connected with the tail shield 4, the tail shield 4 is connected with a propelling track 6 which is arranged at the bottom and provides forward thrust, a screw conveyor 8 which is arranged at the bottom of the front shield 2 and at the upper part of the propelling track 6 is arranged at the rear part of the cutterhead device 1, the tail shield 4 is connected with an equipment bridge 7, and a rear matching system 9 is arranged on the equipment bridge 7.
The cutterhead device 1 comprises a first cutterhead 101, a second cutterhead 102, a third cutterhead 103, a fourth cutterhead 104 and an umbrella-shaped eccentric swinging cutterhead 105 which are positioned on the same plane, wherein the second cutterhead 102 and the first cutterhead 101 are arranged on the left side and the right side of the lower portion of the plane, the fourth cutterhead 104 and the third cutterhead 103 are arranged on the left side and the right side of the middle portion of the plane, the umbrella-shaped eccentric swinging cutterhead 105 is arranged on the top of the plane, the first cutterhead 101, the second cutterhead 102, the third cutterhead 103 and the fourth cutterhead 104 are cross-shaped spoke cutterheads comprising two long and two short spokes, the two long spokes are positioned on the same straight line, and the two short spokes are positioned on the same straight line.
The rotation angle of the second cutterhead 102 is clockwise deviated by 45 degrees relative to the rotation angle of the first cutterhead 101, the rotation angle of the fourth cutterhead 104 is clockwise deviated by 45 degrees relative to the rotation angle of the second cutterhead 102, the rotation angle of the third cutterhead 103 is clockwise deviated by 45 degrees relative to the rotation angle of the fourth cutterhead 104, and the first cutterhead 101, the second cutterhead 102, the third cutterhead 103 and the fourth cutterhead 104 synchronously rotate. The four cutterheads rotate at the same rotation speed and do not interfere with each other, so that synchronous rotation movement in the same plane is realized, and the excavation rate is improved.
The front shield 2 and the tail shield 4 are of horseshoe-shaped shell structures, the front shield 2 is connected with the tail shield 4 through a hinge system 5, the bottom of the front shield 2 is sealed, the bottom of the tail shield 4 is opened, the tail shield 4 is fixed on the upper side of the propelling crawler belt 6, soil bodies on the top and two sides of the propelling crawler belt are supported, and when the whole machine is driven, the propelling crawler belt 6 walks on the bottom opening area of the tail shield 4, namely the bottom surface of the naked horseshoe-shaped tunnel, so that friction counterforce provides thrust for the cutterhead device 1.
The equipment bridge 7 comprises a temporary support 701, a telescopic rolling support 702 and a bridge body 703, wherein the front end of the bridge body 703 is connected with the tail shield 4, the middle part of the bridge body 703 is provided with the temporary support 701, and the tail end of the bridge body 703 is provided with the telescopic rolling support 702.
The rear matching system 9 comprises a belt conveyor 901, a guniting manipulator 902, a steel arch installing machine 903, a waterproof board paving machine 904 and a material crane 905, wherein the belt conveyor 901 is arranged from the rear part of a screw conveyor 8 to the tail part of an equipment bridge 7, the steel arch installing machine 903 is arranged at the front part of the equipment bridge 7, the guniting manipulator 902 is arranged on the steel arch installing machine 903, the waterproof board paving machine 904 is arranged at the rear part of the equipment bridge 7, the material crane 905 is arranged at the tail part of the connecting bridge 7, and a truck 906 for conveying dregs is arranged at the rear part of the belt conveyor 901.
The working flow of the invention is as follows: the development machine is mainly used for semi-open development and open development, the cutterhead device 1 is powered by the driving system 3, the cross spoke cutterhead synchronously rotates clockwise (counter) to cut soil bodies at the initial phase position, the eccentric swing cutterhead 105 moves eccentrically to loosen the soil bodies, and after the cut dregs are evenly stirred through cutterhead spokes and stirring rods, the dregs are conveyed to the belt conveyor 901 through the screw conveyor 8, then conveyed to the truck 906 and conveyed out of a hole. The propulsion track 6 transmits forward thrust to the front shield 2 through the steel structure of the tail shield 4 through the hinge system 5, and then transmits the thrust to the cutterhead device 1, the propulsion track 6 is arranged at the front end of an equipment bridge and the rear end of the cutterhead, power is provided through friction force with the ground, the thrust of the cutterhead is provided more directly, the interference of intermediate equipment is avoided, the acting force is stronger, meanwhile, the influence of the setting time of primary support concrete can be avoided, the construction efficiency is improved, and the hinge system 5 is used for finely adjusting the excavating direction of the shield tunneling machine and reciprocates. The front shield 2 and the tail shield 4 support the excavated tunnel inner wall, on the equipment bridge 7 at the rear part of the tail shield 4, a steel arch installing machine 903 is responsible for hanging arch supports on the tunnel inner wall just exposed, then a guniting manipulator 902 is adopted to complete primary lining of the tunnel inner wall, a waterproof board laying machine 904 is used for carrying out waterproof treatment on the primary lining tunnel, finally the tire of the telescopic rolling support 702 is tightly attached to the tunnel inner wall of the primary lining, and the telescopic length of the tire is adjusted to improve the spatial position relation between the propelling crawler 6 and the equipment bridge 7 so as to improve the stability of a host machine.
The cutterhead device has high excavation rate, adopts semi-open tunneling, is beneficial to the stabilization of an unstable geological tunnel face, has smaller tunneling thrust than a soil pressure balance mode, has simple structure of a front shield and a middle shield, can be matched with a new Olympic method or cast-in-place tunnel primary lining, does not occupy a prefabricated pipe sheet field, can adopt air transportation for muck transportation, and has the advantages of low overall construction cost of engineering, low technical level requirements on constructors and the like.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (5)
1. The horseshoe-shaped heading machine propelled by the crawler belt comprises a cutterhead device (1) arranged at the front end, and is characterized in that: the cutter head device (1) is arranged on the front shield (2) and is connected with a driving system (3) in the front shield (2), a tail shield (4) is arranged at the rear part of the front shield (2), the front shield (2) is movably connected with the tail shield (4), the tail shield (4) is connected with a propelling crawler belt (6) which is arranged at the bottom and provides forward thrust, a spiral conveyor (8) which is arranged at the bottom of the front shield (2) and at the upper part of the propelling crawler belt (6) is arranged at the rear part of the cutter head device (1), the tail shield (4) is connected with an equipment bridge (7), and a rear matching system (9) is arranged on the equipment bridge (7);
the front shield (2) and the tail shield (4) are of horseshoe-shaped shell structures, the front shield (2) is connected with the tail shield (4) through a hinge system (5), the bottom of the front shield (2) is sealed, and the bottom of the tail shield (4) is opened; the tail shield (4) is fixed on the upper side of the propelling crawler belt (6) and supports soil bodies on the top and two sides of the crawler belt; when the semi-open tunneling is adopted, the propelling crawler belt (6) walks in the opening area at the bottom of the tail shield (4), namely the bottom surface of the exposed horseshoe-shaped tunnel, and the friction counterforce is used for providing thrust for the cutterhead device (1).
2. A track-propelled horseshoe-shaped heading machine as claimed in claim 1 wherein: the cutter device (1) comprises a first cutter (101), a second cutter (102), a third cutter (103), a fourth cutter (104) and umbrella-shaped eccentric swinging cutters (105) which are positioned on the same plane, wherein the second cutter (102) and the first cutter (101) are arranged on the left side and the right side of the lower part of the plane, the fourth cutter (104) and the third cutter (103) are arranged on the left side and the right side of the middle part of the plane, the umbrella-shaped eccentric swinging cutters (105) are arranged on the top of the plane, the first cutter (101), the second cutter (102), the third cutter (103) and the fourth cutter (104) are cross spoke cutters comprising two long spokes and two short spokes, the two long spokes are positioned on the same straight line, and the two short spokes are positioned on the same straight line.
3. A track-propelled horseshoe-shaped heading machine as claimed in claim 2 wherein: the rotation angle of the second cutterhead (102) is clockwise deflected by 45 degrees relative to the rotation angle of the first cutterhead (101), the rotation angle of the fourth cutterhead (104) is clockwise deflected by 45 degrees relative to the rotation angle of the second cutterhead (102), the rotation angle of the third cutterhead (103) is clockwise deflected by 45 degrees relative to the rotation angle of the fourth cutterhead (104), and the first cutterhead (101), the second cutterhead (102), the third cutterhead (103) and the fourth cutterhead (104) synchronously rotate.
4. A track-propelled horseshoe-shaped heading machine as claimed in claim 1 wherein: the equipment bridge (7) comprises a temporary support (701), a telescopic rolling support (702) and a bridge body (703), wherein the front end of the bridge body (703) is connected with the tail shield (4), the middle part of the bridge body (703) is provided with the temporary support (701), and the tail end of the bridge body (703) is provided with the telescopic rolling support (702).
5. A track-propelled horseshoe-shaped heading machine as claimed in claim 1 wherein: the rear supporting system (9) comprises a belt conveyor (901), a guniting manipulator (902), a steel arch installing machine (903), a waterproof board paving machine (904) and a material crane (905), wherein the belt conveyor (901) is arranged from the rear part of a screw conveyor (8) to the tail part of an equipment bridge (7), the steel arch installing machine (903) is arranged at the front part of the equipment bridge (7), the guniting manipulator (902) is arranged on the steel arch installing machine (903), the waterproof board paving machine (904) is arranged at the rear part of the equipment bridge (7), the material crane (905) is arranged at the tail part of the equipment bridge (7), and a truck (906) for conveying dregs is arranged at the rear part of the belt conveyor (901).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710621632.3A CN107218048B (en) | 2017-07-27 | 2017-07-27 | Horseshoe-shaped heading machine propelled by crawler belt |
| PCT/CN2018/096815 WO2019020009A1 (en) | 2017-07-27 | 2018-07-24 | Horseshoe-shaped boring machine propelled by track |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710621632.3A CN107218048B (en) | 2017-07-27 | 2017-07-27 | Horseshoe-shaped heading machine propelled by crawler belt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107218048A CN107218048A (en) | 2017-09-29 |
| CN107218048B true CN107218048B (en) | 2023-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710621632.3A Active CN107218048B (en) | 2017-07-27 | 2017-07-27 | Horseshoe-shaped heading machine propelled by crawler belt |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107218048B (en) |
| WO (1) | WO2019020009A1 (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218048B (en) * | 2017-07-27 | 2023-06-02 | 中铁工程装备集团有限公司 | Horseshoe-shaped heading machine propelled by crawler belt |
| CN109488323A (en) * | 2018-10-26 | 2019-03-19 | 中铁工程装备集团有限公司 | Parallel robot support, the soft arm development machine that arbitrary cross-section tunnel can be excavated |
| CN109578031A (en) * | 2018-12-26 | 2019-04-05 | 天地科技股份有限公司 | The active temporary support device of shield type speedy drivage system |
| CN110080791B (en) * | 2019-05-14 | 2024-06-14 | 中国铁建重工集团股份有限公司 | Small-diameter tunnel boring machine |
| CN110374621B (en) * | 2019-08-05 | 2024-03-12 | 江苏神盾工程机械有限公司 | Hard rock TBM multifunctional top shield |
| CN111608677A (en) * | 2020-05-27 | 2020-09-01 | 重庆交通建设(集团)有限责任公司 | Novel dual-mode TBM and control method thereof |
| CN112943273B (en) * | 2021-03-27 | 2022-04-12 | 中冶华南建设工程有限公司 | Construction process of underground excavation tunnel |
| CN113047857B (en) * | 2021-04-15 | 2022-06-10 | 山东大学 | Mechanical tunneling device and process for quicksand stratum tunnel |
| CN113125187A (en) * | 2021-04-29 | 2021-07-16 | 中铁工程装备集团有限公司 | Meshing blade disc comprehensive test device |
| CN113446021B (en) * | 2021-08-06 | 2022-03-04 | 中铁工程装备集团有限公司 | Shield machine |
| CN114382501A (en) * | 2022-01-21 | 2022-04-22 | 成都未来智隧科技有限公司 | Excavation and support integrated construction method for maintaining tunnel face stability |
| CN114607403B (en) * | 2022-03-31 | 2024-05-24 | 中铁隧道局集团有限公司 | Method for quickly assembling initial construction equipment outside double-hole double-TBM tunnel by adopting continuous belt conveyor slag discharge in limited site |
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| CN104533435A (en) * | 2014-11-27 | 2015-04-22 | 中铁工程装备集团有限公司 | Oscillating cutter head type rectangular section tube push bench |
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| CN206942770U (en) * | 2017-07-27 | 2018-01-30 | 中铁工程装备集团有限公司 | A kind of shape of a hoof development machine promoted by crawler belt |
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| CN105041328A (en) * | 2015-07-29 | 2015-11-11 | 中铁工程装备集团有限公司 | Shield tunneling machine with cast-in-situ supporting function for tunnels with large horseshoe-shaped sections |
| CN105507912A (en) * | 2015-12-29 | 2016-04-20 | 中铁工程装备集团有限公司 | Shield tunneling machine for ultralarge U-shaped cross sections |
| CN206942770U (en) * | 2017-07-27 | 2018-01-30 | 中铁工程装备集团有限公司 | A kind of shape of a hoof development machine promoted by crawler belt |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107218048A (en) | 2017-09-29 |
| WO2019020009A1 (en) | 2019-01-31 |
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