CN102146795B - Explosive shield machine - Google Patents
Explosive shield machine Download PDFInfo
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- CN102146795B CN102146795B CN 201110045396 CN201110045396A CN102146795B CN 102146795 B CN102146795 B CN 102146795B CN 201110045396 CN201110045396 CN 201110045396 CN 201110045396 A CN201110045396 A CN 201110045396A CN 102146795 B CN102146795 B CN 102146795B
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Abstract
The invention discloses an explosive shield machine, which comprises a hollow steel shell, wherein the shell is axially separated into a tunneling cabin, a pressure-bearing cabin and a service cabin through a first clapboard and a second clapboard in turn; the explosive shield machine also comprises a plurality of ammunition launch devices, a spiral conveyer, a segment assembling machine and a propeller hydraulic cylinder, wherein the ammunition launch devices are arranged in the pressure-bearing cabin; launch ports of the ammunition launch devices pass through the first clapboard between the tunneling cabin and the pressure-bearing cabin and face a tunnel excavated surface; the ammunition launch devices launch explosive shells filled with preset explosive charge to the tunnel excavated surface through the launch ports; an input port of the spiral conveyer is arranged at the bottom of the tunneling cabin and an output port of the spiral conveyer extends to the service cabin; the segment assembling machine is arranged in the service cabin; and the propeller hydraulic cylinder is arranged on the second clapboard between the pressure-bearing cabin and the service cabin. The explosive shield machine has the advantages of high excavating efficiency, low production and maintenance cost, long service life and wide application range.
Description
Technical field
The invention belongs to the special engineering mechanical field of tunnel piercing, relate in particular to a kind of blasting type shield machine for the tunnel excavation construction.
Background technology
At present, in the tunnel construction operations such as railway, highway, subway, brill mountain, shield machine is a kind of special engineering machinery of common tunnel piercing.Shield machine is used for the tunnel excavation construction operation, and its major function is to excavate by the moulding that soil excavation, soil quarrel are raftinged, complete machine advances and the tunnel is finished in section of jurisdiction installation etc.Existing shield machine comprises columnar housing, the housing front portion is provided with topping machanism, topping machanism comprises circular beater plate, be fixedly connected with somely bite at cutterhead, the bite cutter head adopts the superhard alloy material to make usually, and bite is positioned at same sagittal plane, in the tunnelling process, bite is with cutterhead rotation driving, and the foreign material such as the earth of being excavated in the tunnel and landwaste are discharged by conveying worm, thereby realizes the excavation operation in tunnel.But existing shield machine also has the some shortcomings part:
1, the driving speed of existing shield machine is slow, stock-removing efficiency is low, usually the driving speed in 1 meter～15 meters big or small tunnels of excavated diameter is about 8 centimetres of per minutes in soil layer, and its driving speed is just slower when running into ragstone, causes the construction period longer, and the construction operation amount is larger.
2, the bite cutter head of existing shield machine adopts the superhard alloy material to make usually, causes equipment cost higher; And in the driving working angles, bite is stressed large, and cutter head weares and teares easily, need to change and keep in repair according to the abrasion condition of cutter head, as changing cutter head, overhauls bearing etc., thereby has increased maintenance cost and the cost of labor of equipment.
3, simultaneously, when construction operation, because pressure and moment of torsion that the base bearing of existing shield machine bears are larger, so base bearing is impaired easily, can cause Whole Equipment to scrap when serious, and application life is shorter.
4, owing to be subject to the restriction of smear metal mode, the cross section of existing shield machine institute tunneling is generally circular, is unsuitable for the tunnelling operation of special transverse shape.
Because the shortcoming that above-mentioned prior art exists, the design people is based on being engaged in relevant design and field experience and professional knowledge, positive improvement and bring new ideas in addition is in the hope of realizing a kind of blasting type shield machine that can improve digging efficiency, decrease cost, increase the service life and be suitable for all kinds of different transverse shape tunnelling operations.
Summary of the invention
But the purpose of this invention is to provide a kind of blasting type shield machine that can improve digging efficiency decrease cost, increase the service life and be suitable for all kinds of different transverse shape tunnelling operations.
For achieving the above object, the present invention proposes a kind of blasting type shield machine, the steel shell that comprises hollow, the steel shell of described hollow is divided into the driving cabin vertically successively by the first dividing plate and second partition, pressure-bearing cabin and service module, described blasting type shield machine also comprises: a plurality of ammunition emitters, described ammunition emitter is located in the described pressure-bearing cabin, the emission port of described ammunition emitter passes the first dividing plate between described driving cabin and the described pressure-bearing cabin towards the setting of tunnelling face, and described ammunition emitter is filled with the demolition bomb of predetermined explosive charge to the tunnelling surface launching via described emission port; Conveying worm is used for discharging earth and the landwaste of being excavated in the tunnel, and the bottom in described driving cabin is located in the input port of described conveying worm, and the delivery outlet of described conveying worm extends to described service module; Duct piece assembling machine is installed in the described service module; Propelling hydraulic cylinder is installed on the second partition between described pressure-bearing cabin and the described service module, is used for advancing described housing.
Aforesaid blasting type shield machine, wherein, described ammunition emitter is machine gun, described machine gun comprises shell the prime machine and gun tube, described gun tube extends in the described driving cabin, and gun muzzle of described gun tube is towards described tunnelling face, and a plurality of described gun muzzles evenly distribute on the same sagittal plane of described housing, and the quantity of machine gun can be taken the circumstances into consideration increase and decrease according to the needs of actual conditions.
Aforesaid blasting type shield machine, wherein, described machine gun is howitzer emission gun or high explosive anti-tank cartridge emission gun.
Aforesaid blasting type shield machine, wherein, the diameter of described gun tube is 20mm～50mm.
Aforesaid blasting type shield machine wherein, is filled with gases at high pressure in described driving cabin and described pressure-bearing cabin.
Aforesaid blasting type shield machine, wherein, described the first dividing plate is the steel dividing plate.
Aforesaid blasting type shield machine, wherein, the front end in described driving cabin is provided with the lattice plate.
Aforesaid blasting type shield machine, wherein, the cross section of described housing can be circle or ellipse or rectangle etc. according to Tunnel Design.
Compared with prior art, the present invention has following characteristics and advantage:
1, the present invention arranges the ammunition emitter at the shield machine housing towards a side of tunnelling face, has the demolition bomb of predetermined explosive charge by the ammunition emitter to the tunnelling surface launching, reaches the effect in explosion excavation surface and driving tunnel.Compare with available technology adopting rotary cutting sharpener, the present invention has the high advantage of digging efficiency.
2 and, therefore not only the present invention need not to arrange bearing and cutterhead dynamical system, can alleviate the weight of shield machine but also can reduce equipment cost, reduces maintenance cost, increases the service life.
3, the present invention can select difform housing according to the shape of tunnelling face, and can select assembling dissimilar ammunition emitter and demolition bomb according to tunnelling face soil intensity processed, to be suitable for various tunnelling operations, has advantage applied widely.
Description of drawings
The following drawings only is intended to the present invention done and schematically illustrates and explain, not delimit the scope of the invention.Wherein,
Fig. 1 is the structural representation of blasting type shield machine of the present invention;
Fig. 2 is the side-looking structural representation of blasting type shield machine of the present invention.
Description of reference numerals:
The 100-housing; 200-tunnelling face; 1-tunnels the cabin; 2-pressure-bearing cabin; The 3-service module; 4-the first dividing plate; The 5-second partition; 6-ammunition emitter (machine gun); 61-shell the prime machine; The 62-gun tube; The 7-conveying worm; The 71-input port; The 72-delivery outlet; The 8-duct piece assembling machine; The 9-propelling hydraulic cylinder; 10-lattice plate; The 11-travelling bogie.
The specific embodiment
Understand for technical characterictic of the present invention, purpose and effect being had more clearly, now contrast description of drawings the specific embodiment of the present invention.
Please refer to Fig. 1, Fig. 2, be respectively structural representation and the side-looking structural representation of blasting type shield machine of the present invention.As shown in the figure, blasting type shield machine of the present invention, the digging operation that is used for the tunnel, this blasting type shield machine comprises the steel shell 100 of hollow, and conveying worm 7, duct piece assembling machine 8 and propelling hydraulic cylinder 9, the steel shell 100 of described hollow is divided into driving cabin 1, pressure-bearing cabin 2 and service module 3 vertically successively by the first dividing plate 4 and second partition 5.Described blasting type shield machine also comprises: a plurality of ammunition emitters 6, described ammunition emitter 6 is located in the described pressure-bearing cabin 2, the emission port of described ammunition emitter 6 passes the first dividing plate 4 between described driving cabin 1 and the described pressure-bearing cabin 2 and arranges towards tunnelling face 200, the demolition bomb that emission port by ammunition emitter 6 will be filled with predetermined explosive charge is emitted to tunnelling face 200, thereby play the effect of explosion tunnelling face, to reach the purpose of tunnel digging.Wherein, the predetermined explosive charge of demolition bomb and bullet type of action can obtain according to the experiment of the factors such as the area of tunnelling face, native stone flintiness and ammunition emitter quantity by limited number of time, thereby reach the purpose that can controlled blasting intensity can realize again the effective fragmentation operation.In addition, in the present invention as shown in Figure 1, the bottom in described driving cabin 1 is located in the input port 71 of described conveying worm 7, be used for making the foreign material such as the earth excavated and landwaste to be fed through conveying worm 7, the delivery outlet 72 of described conveying worm 7 extends to described service module 1, again the foreign material such as earth and landwaste is poured onto travelling bogie 11 and drains into outside the tunnel.Described conveying worm 7 is prior art, for foreign material such as the earth of being excavated in the discharge tunnel and landwaste, is not described in detail at this.Described duct piece assembling machine 8 is installed in the described service module 3; Described propelling hydraulic cylinder 9 is installed on the second partition 5 between described pressure-bearing cabin 2 and the described service module 3, is used for advancing described housing 100.Wherein, duct piece assembling machine 8 and propelling hydraulic cylinder 9 are prior art, are not described in detail at this.The present invention arranges the ammunition emitter at the shield machine housing towards a side of tunnelling face, to reach the effect in explosion excavation surface and driving tunnel, compare with the rotary bite of available technology adopting, the present invention has the high advantage of digging efficiency, and, the present invention need not to change bite and main spindle overhauling holds, and also has the advantage that production and maintenance cost are low, increase the service life.
Further, in the present invention, described ammunition emitter is machine gun 6, described machine gun 6 comprises shell the prime machine 61 and gun tube 62, described gun tube 62 extends in the described driving cabin 1, and gun muzzle of described gun tube 62 is towards described tunnelling face 200, described gun muzzle evenly distributes on the same sagittal plane of described housing 100, when operation, can aim at and control a plurality of machine guns simultaneously like this and launch demolition bomb to the zones of different of excavation surface continuously, thereby further improve intensity and the precision of explosion.The structures such as the filling of machine gun described in the present invention, emission and operating principle are prior art, are not described in detail at this.
Further, described machine gun 6 is the howitzer emission gun, can adopt cartridge type transmitter and rod-type transmitter to the howitzer of the predetermined ammunition of tunnelling surface launching.Perhaps, described machine gun 6 is the high explosive anti-tank cartridge emission gun, with the high explosive anti-tank cartridge to the predetermined ammunition of tunnelling surface launching, thereby reaches the effect of explosion tunnelling face.Wherein, concrete structure and the operating principle of howitzer emission gun, high explosive anti-tank cartridge emission gun and employed shell thereof are prior art, are not described in detail at this.But the present invention also is not limited to this, and the present invention also adopts other known manual, semi-automatic or automatic ammunition emitter, as long as can play to tunnelling surface launching demolition bomb, the effect that reaches the high efficiency energy fractured rock that utilizes explosive gets final product.The cartridge chamber of machine gun is to adopt smooth bore or rifle, can decide according to used concrete shell type, and simultaneously, described machine gun also can replace with existing explosive blasting (detonation) the detritus mechanical device of identical functions, and adopts the explosion detritus ammunition of identical functions.
Further, the diameter of described gun tube is 20mm～50mm, to satisfy the burst strength requirement to excavation surface.But the present invention also is not limited to this, and the large I of the diameter of gun tube determines according to the shell dose that experiment obtains.
Further, in described driving cabin 1 and described pressure-bearing cabin 2, be filled with gases at high pressure, with equilibrium strata pressure, thus the excavation operation of assurance shield machine.
Further, described the first dividing plate 4 is the steel dividing plate, thereby effectively guarantees the sealing in driving cabin 1 and pressure-bearing cabin 2, avoids because the shock wave of explosion causes damage to pressure-bearing cabin 2 and service module 3.
Further, the front end in described driving cabin 1 is provided with lattice plate 10, and lattice plate 10 can directly push the excavation surface soil layer when soft soil layer, soil layer is separated, and plays the effect of supporting, and then tunnels bursting work.
Further, the cross section of described housing is circle or ellipse or rectangle or other suitable shapes, thereby can adapt to difform tunnel cross section job requirements.
Blasting type shield machine of the present invention in use, at first, action advances hydraulic cylinder 9 is so that shield machine housing 1 advances towards tunnelling face direction; Then, in driving cabin 1 and pressure-bearing cabin 2, be filled with gases at high pressure with equilibrium strata pressure; Subsequently, select corresponding machine gun 6 and shell according to Different Strata, earth and the rock on tunnelling face stratum bombarded explosion continuously selectively, make the continuous avalanche of earth and landwaste, to reach the effect of blasting type driving; The earth of avalanche and landwaste enter conveying worm 7 by the input port 71 of conveying worm 7, be expelled to again pressure-bearing cabin 3, transfer out the tunnel by the travelling bogie 11 or the conveyer belt that wait at this, so through after a while driving, just can form a complete tunnel Dao Dong.
Therefore the present invention compared with prior art not only can improve digging efficiency, and need not to arrange bearing and cutterhead dynamical system, can alleviate the weight of shield machine and reduces equipment cost, reduces maintenance cost, increases the service life.
The above only is the schematic specific embodiment of the present invention, is not to limit scope of the present invention.Any those skilled in the art, the equivalent variations of having done under the prerequisite that does not break away from design of the present invention and principle and modification all should belong to the scope of protection of the invention.
Claims (9)
1. blasting type shield machine comprises the steel shell of hollow it is characterized in that described housing is divided into driving cabin, pressure-bearing cabin and service module vertically successively by the first dividing plate and second partition, and described blasting type shield machine also comprises:
A plurality of ammunition emitters, described ammunition emitter is located in the described pressure-bearing cabin, the emission port of described ammunition emitter passes the first dividing plate between described driving cabin and the described pressure-bearing cabin towards the setting of tunnelling face, and described ammunition emitter is filled with the demolition bomb of predetermined explosive charge to the tunnelling surface launching via described emission port;
Conveying worm is used for discharging earth and the landwaste of being excavated in the tunnel, and the bottom in described driving cabin is located in the input port of described conveying worm, and the delivery outlet of described conveying worm extends to described service module;
Duct piece assembling machine is installed in the described service module;
Propelling hydraulic cylinder is installed on the second partition between described pressure-bearing cabin and the described service module, is used for advancing described housing.
2. blasting type shield machine as claimed in claim 1, it is characterized in that, described ammunition emitter is machine gun, described machine gun comprises shell the prime machine and gun tube, described gun tube extends in the described driving cabin, and gun muzzle of described gun tube is towards described tunnelling face, and a plurality of described gun muzzles evenly distribute on the same sagittal plane of described housing.
3. blasting type shield machine as claimed in claim 2 is characterized in that, described machine gun is the howitzer emission gun.
4. blasting type shield machine as claimed in claim 2 is characterized in that, described machine gun is the high explosive anti-tank cartridge emission gun.
5. blasting type shield machine as claimed in claim 2 is characterized in that, the diameter of described gun tube is 20mm～50mm.
6. blasting type shield machine as claimed in claim 1 is characterized in that, is filled with gases at high pressure in described driving cabin and described pressure-bearing cabin.
7. blasting type shield machine as claimed in claim 1 is characterized in that, described the first dividing plate is the steel dividing plate.
8. such as each described blasting type shield machine in the claim 1 to 7, it is characterized in that the front end in described driving cabin is provided with the lattice plate.
9. such as each described blasting type shield machine in the claim 1 to 7, it is characterized in that the cross section of described steel shell is circle or ellipse or rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110045396 CN102146795B (en) | 2011-02-24 | 2011-02-24 | Explosive shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110045396 CN102146795B (en) | 2011-02-24 | 2011-02-24 | Explosive shield machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102146795A CN102146795A (en) | 2011-08-10 |
| CN102146795B true CN102146795B (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110045396 Expired - Fee Related CN102146795B (en) | 2011-02-24 | 2011-02-24 | Explosive shield machine |
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| Country | Link |
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| CN (1) | CN102146795B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102953734B (en) * | 2011-08-29 | 2015-02-04 | 上海市机械施工集团有限公司 | Adjustable stepping special-shaped tunneling machine with earth and rock separation function |
| CN102553103B (en) * | 2012-02-10 | 2014-03-26 | 江南大学 | Rescue shield machine |
| CN103628893B (en) * | 2013-11-19 | 2015-09-09 | 柴敏霞 | Bore quick-fried shield machine |
| EP3329097A4 (en) * | 2015-07-28 | 2019-01-09 | VAN DYK, Andre | Tunnelling machine |
| CN106223965B (en) * | 2016-08-30 | 2019-01-08 | 中国铁建重工集团有限公司 | Shield machine and its control method |
| CN106194202B (en) * | 2016-08-30 | 2018-11-30 | 中国铁建重工集团有限公司 | Screw conveyor and shield machine and control method with it |
| CN112360495B (en) * | 2020-11-12 | 2022-11-22 | 安徽唐兴装备科技股份有限公司 | Equipment for conveying excavated materials in tunneling |
| CN112627872B (en) * | 2020-11-23 | 2024-01-19 | 温州市瓯江引水发展有限公司 | Early-stage supporting and broken stone transporting device in tunnel blasting state and construction method |
| CN112360475B (en) * | 2020-11-23 | 2022-03-11 | 中铁工程装备集团有限公司 | Shield tunneling machine main driving system and application method thereof |
| CN112832779B (en) * | 2021-01-29 | 2021-12-21 | 中国科学院武汉岩土力学研究所 | CO (carbon monoxide)2Micro-blasting combined TBM rock breaking device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3624962A1 (en) * | 1986-07-25 | 1988-01-28 | Gesteins & Tiefbau Gmbh | Headway drive, especially tunnel drive |
| JPH10292777A (en) * | 1997-04-16 | 1998-11-04 | Kumagai Gumi Co Ltd | Face retaining method at time of removing obstacle in shield driving and shield machine used for the method |
| CN101503961B (en) * | 2009-03-11 | 2011-06-01 | 上海城建（集团）公司 | Use method of underground obstacles blasting in shield-tunneling construction |
| CN101649743B (en) * | 2009-09-09 | 2011-06-29 | 清华大学 | Adjustable propulsion mechanism for soil pressure balance type shield |
| CN202012355U (en) * | 2011-02-24 | 2011-10-19 | 闻建明 | Explosive shield machine |
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2011
- 2011-02-24 CN CN 201110045396 patent/CN102146795B/en not_active Expired - Fee Related
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| CN102146795A (en) | 2011-08-10 |
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