CN209195414U - A kind of novel complete-section tunnel boring machine using high-velocity particles rock fracture in dynamic indentation - Google Patents
A kind of novel complete-section tunnel boring machine using high-velocity particles rock fracture in dynamic indentation Download PDFInfo
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- CN209195414U CN209195414U CN201821965162.9U CN201821965162U CN209195414U CN 209195414 U CN209195414 U CN 209195414U CN 201821965162 U CN201821965162 U CN 201821965162U CN 209195414 U CN209195414 U CN 209195414U
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Abstract
The utility model discloses a kind of novel complete-section tunnel boring machines using high-velocity particles rock fracture in dynamic indentation, what is solved is in the hard rocks tunnel constructions such as railway, water power traffic mine municipal administration, the problems such as hobboing cutter inordinate wear and replacement frequency increase, and main shaft of boring machine is held and machinery knives are all easily damaged.The utility model includes the slag-tapping system for tunneling machine host and matching with driving machine host, and the driving machine host is equipped with shield body, and shield body is equipped with cutterhead, and the cutterhead is fixation cutter head, and cutterhead is equipped with particle nozzle.The utility model devises a kind of novel complete-section tunnel boring machine and its novel cutter head structure using high-velocity particles rock fracture in dynamic indentation, the particle injected system and particle recovery system of cooperation realize the purpose according to the mounting structure adjustment arbitrary shape section of particle nozzle on cutterhead.
Description
Technical field
The utility model relates to development machine fields, and in particular to a kind of novel tunneling boring using high-velocity particles rock fracture in dynamic indentation
Rock tunnel(ling) machine.
Background technique
Complete-section tunnel boring machine is commonly used in the hard rocks tunnel constructions such as current railway, water power traffic mine municipal administration
Engineering machinery, mainly squeezes the purpose that broken rock realizes tunnel piercing using the hobboing cutter on rotary head, and what is mainly overcome is
The compression strength of rock, engineering practice show in the uniaxial compressive strength of rock in 100MPa or so, development machine efficiency of breaking rock
Relatively still, but with the increase of rock strength, efficiency of breaking rock is gradually reduced, and hobboing cutter inordinate wear and replacement frequency increase, and is led
Cause the increase of claim for eot and construction cost.And when encountering uneven geology or bad ground, main shaft of boring machine is held and mechanical blades
Tool is all easily damaged.
Utility model content
The technical problems to be solved in the utility model be in the hard rocks tunnel constructions such as railway, water power traffic mine municipal administration,
Hobboing cutter inordinate wear and replacement frequency increase, and main shaft of boring machine is held and machinery knives are all easily damaged, and provide a kind of using high
The novel complete-section tunnel boring machine of fast particle impacting broken rock.
In order to solve the above technical problems, the utility model adopts the following technical solutions: a kind of to utilize high-velocity particles impact cutting
The novel complete-section tunnel boring machine of rock, it is described including driving machine host and the slag-tapping system matched with driving machine host
It tunnels machine host and is equipped with shield body, shield body is equipped with cutterhead, and the cutterhead is fixation cutter head, and cutterhead is equipped with particle nozzle.
It is described be connected with particle nozzle be equipped with particle injected system, the particle injected system include high-pressure pump and with
The connected particle generation tank of high-pressure pump, particle nozzle are connected by pressure duct with high-pressure pump.
The particle generation tank is arranged between particle nozzle and high-pressure pump.
It is equipped with booster between the high-pressure pump and particle generation tank, accumulation of energy is additionally provided between booster and high-pressure pump
Device.
It is matched with the slag-tapping system equipped with particle recovery system, the particle recovery system includes level-one belt
Machine, second belt machine and screening machine, the lower section of slag-tapping system blanking port is arranged in one end of the level-one belt feeder, the other end leads to
Cross the top that magnetic belt extends to screens machine inlet；Second belt machine one end is arranged below screening machine, the other end
It stretches out on the outside of driving machine host；The discharge port of the screening machine is connected with particle storage box.The particle storage box is for storing
Particle is recycled, in case being used for multiple times.
Lower part between slag-tapping system one end setting cutterhead and face, the other end extend on level-one belt feeder
Side.Slag-tapping system is belt feeder or screw conveyor, and the utility model uses bottom slag-tapping system, will fall off to face and knife
Landwaste between disk is delivered to above level-one belt feeder by slag-tapping system carries out the movement of falling object, carries out to particle for the first time
Screening.
Described magnetic belt one end is equipped with drum-type electro magnet, the other end extends to the top for screening machine inlet.
It is equipped with sieve in the screening machine, is equipped with magnetic separator below sieve, is connected with magnetic separator and is equipped with de- magnetomechanical, take off magnetic
The discharge port of machine is communicated with particle storage box.Particle storage box is equipped with receiving hopper, and the discharge port of de- magnetomechanical is arranged in receiving hopper
Lower section.
It is circle, rectangle, class rectangle or the shape of a hoof that the particle nozzle, which has multiple, described cutterhead outer profiles,.
The cutterhead is equipped with energy-absorbing plate and retainer, is equipped with pipe passage, the height in extended conduit channel inside cutterhead
Pressure pipe road is equipped with protective device, and the protective device is the steel plate layer being wrapped on pressure duct.
A kind of construction method of the novel complete-section tunnel boring machine using high-velocity particles rock fracture in dynamic indentation, including following step
It is rapid: to be 1. pressed to form the fluid media (medium) of high-speed motion through high-pressure pump using high-pressure pump fluid medium, the fluid of high-speed motion is situated between
It is high that matter makes the particle in particle generation tank be mixed into formation in the fluid media (medium) of high-speed motion in pressure piping using siphon principle
Fast particle flux；
2. high-velocity particles flow through the particle nozzle being arranged on cutterhead and are ejected to face, the particle in high-velocity particles stream is made
For the rock of face, rock is set to generate destruction, fluid media (medium), which acts on face simultaneously, makes landwaste fall off；
3. using particle recovery system from the particle in the high-velocity particles stream for recycling ejection in 2. landwaste that step falls off, and
It is utilized again.
The fluid media (medium) of the step 1. high-speed motion is then to pass through accumulator systems stabilisation pressure after high-pressure pump is pressurized
Power, and formed after booster repressurization.
The utility model devises a kind of novel complete-section tunnel boring machine using high-velocity particles rock fracture in dynamic indentation and its new
Type cutter head structure, the particle injected system and particle recovery system of cooperation realize the mounting structure according to particle nozzle on cutterhead
Adjust the purpose of arbitrary shape section.
The utility model needs the form design that excavates with the cutterhead of form according to construction section, according to particle rock breaking capacity
Array arranges multiple high-velocity particles nozzles at cutterhead, broken rock is carried out by the particle impacting that multiple nozzles spray, to reach out
Purpose between hollowing out.
Detailed description of the invention
Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model front particle injected system enlarged structure schematic diagram；
Fig. 3 is the utility model rear portion particle recovery system enlarged structure schematic diagram；
Fig. 4 is the utility model cutterhead cross-sectional structure schematic diagram；
Fig. 5 is arragement construction schematic diagram of the utility model particle nozzle on class rectangle cutterhead；
Fig. 6 is arragement construction schematic diagram of the utility model particle nozzle on circular beater plate；
Fig. 7 is arragement construction schematic diagram of the utility model particle nozzle on shape of a hoof cutterhead.
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 Figures 1 to 7, a kind of novel complete-section tunnel boring machine using high-velocity particles rock fracture in dynamic indentation, including pick
Into machine host and the slag-tapping system 5 matched with driving machine host, the driving machine host is equipped with shield body 4, sets in shield body 4
There is cutterhead 1, it is characterised in that: the cutterhead 1 is fixation cutter head, and cutterhead 1 is equipped with particle nozzle 2.Shield body 4 is mainly used for pacifying
Dress driving main beam and support hole wall.The utility model cutterhead is fixed, and unconventional rotary motion with respect to shield body, mainly
The effects of excavating, balancing and support face is acted, prevents face during tunnel excavation from collapsing, while being particle nozzle 2
Support fixed function has been installed.Cutterhead does not need to rotate, and does not need the drive system of transmission cutterhead, saves a large amount of power
Source mitigates workload.
As shown in Fig. 2, described be connected equipped with particle injected system, the particle injected system packet with particle nozzle 2
The particle generation tank 6 for including high-pressure pump 18 and being connected with high-pressure pump 18, particle nozzle 2 are connected by pressure duct 3 with high-pressure pump 18
It is logical.Pressure duct 3 described in the utility model has high-wearing feature and barotolerance, reduces the high-pressure spray for having particle as far as possible
Abrasion of the body medium to pressure duct.
The particle generation tank 6 is arranged between particle nozzle 2 and high-pressure pump 18.The utility model particle generation tank 6
It is arranged on the pressure duct 3 between particle nozzle 2 and high-pressure pump 18, mode is mixed after by particle 23 and is mixed into fluid media (medium) 19
In, the fluid media (medium) 19 for being mixed with particle is delivered to particle nozzle by pressure duct 3 and sprays；Preceding mixed mode can also be used,
The ejection of particle nozzle is being delivered to by pressure duct by high-pressure pump after mixing particle with fluid media (medium) 19.The utility model
The fluid media (medium) 19 can be water and be also possible to the substances such as compressed air, and fluid media (medium) is after the pressurization of booster pump 18 through high pressure
Pipeline transport.The speed for the high-velocity particles stream that the utility model particle nozzle sprays reaches 100m/s or more.
It is equipped with booster 7 between the high-pressure pump 18 and particle generation tank 6, is also set between booster 7 and high-pressure pump 18
There is accumulator 8.Particle generation tank 6 is connected with booster 7 by pressure duct, particle is plain ball, grain for storing particle
Sub- diameter is 0.1-20mm.The booster 7 is for being pressurized the fluid media (medium) in pipeline.The accumulator 8 is for adjusting
Loine pressure is saved, booster 7 is arranged between accumulator 8 and particle generation tank 6.
As shown in figure 3, being matched with the slag-tapping system 5 equipped with particle recovery system, the particle recovery system
Including level-one belt feeder 9, second belt machine 20 and screening machine 13, one end setting of the level-one belt feeder 9 is fallen in slag-tapping system 5
The lower section of material mouth, the other end pass through magnetic belt 12 and extend to the top with 13 feed inlet of screening machine；The second belt machine 20 1
End is arranged below screening machine 13, the other end stretches out on the outside of driving machine host；The discharge port and particle of the screening machine 13 store
Case 17 is connected.The particle storage box 17 is for storing recycling particle, in case being used for multiple times.The utility model is by level-one skin
The landwaste come with the conveying of machine 9 carries out the movement of falling object in 9 outer end of level-one belt feeder, and the particle in landwaste is inhaled by magnetic belt 12
It is subsidiary to falling at 13 feed inlet of screening machine, other landwaste drop down onto and are excluded working space on second belt machine 20.
Lower part between 5 one end of slag-tapping system setting cutterhead 1 and face, the other end extend to level-one belt feeder 9
Top.Slag-tapping system 5 is belt feeder or screw conveyor, and the utility model uses bottom slag-tapping system, will fall off to face
Landwaste between cutterhead is delivered to above level-one belt feeder 9 by slag-tapping system 5 carries out the movement of falling object, carries out to particle
Screening for the first time.
Described 12 one end of magnetic belt is equipped with drum-type electro magnet 11, the other end extends to the upper of 13 feed inlet of screening machine
Side.The drum-type electro magnet 11 generates strong magnetic field when being powered, and can constantly rotate increasing action face at work, will
On the particle absorption to magnetic belt 12 in landwaste fallen by level-one belt feeder 9, the magnetic force on magnetic belt 12 plays particle
Holding effect；The magnetic belt 12 is to install electromagnetic plate additional in ordinary straps to be transformed, and can be powered during transportation
Generate the particle of magnetic absorption metal.When belt movement is in the range of illustrating A, which can be powered off, be subject to particle
Magnetic force is less than particle gravity, and then particle is made to fall off under gravity and effect of inertia, into screening machine 13, completes the head of particle
Secondary screening.
It is equipped with sieve in the screening machine 13, is equipped with magnetic separator 14 below sieve, is connected with magnetic separator 14 and is equipped with de- magnetic
The discharge port of machine 15, de- magnetomechanical 15 is communicated with particle storage box 17.Particle storage box 17 is equipped with receiving hopper 16, and receiving hopper 16 is set
It sets in the lower section of the discharge port of de- magnetomechanical 15.Magnetic separator 14 in screening machine 13 carries out postsearch screening to particle: by magnetic skin
It may be also mixed with bulky grain debris and little particle clast in particle after screening for the first time with 12, such particle falls into screening machine
Sieve is first passed through after 13 to be sieved away to bulky grain debris, by the particle of sieve again pass by magnetic separator 14 carry out it is secondary
Screening, little particle clast is discharged, and it is standby that the particle that postsearch screening goes out enters particle storage box 17 after carrying out de- magnetic into de- magnetomechanical
With.The bulky grain debris and little particle clast sifted out through screening machine pass through different belt feeders respectively and bring to second belt machine with big
The landwaste of batch is discharged together.
It is circle, rectangle, class rectangle or the shape of a hoof that the particle nozzle 2, which has multiple, described 1 outer profiles of cutterhead,.This
Particle nozzle 2 described in utility model is fixed on cutterhead 1, and the knife of same form is designed according to the design shape of constructing tunnel section
Disk, cutterhead shape such as circle, rectangle, class rectangle, shape of a hoof shape, arranges multiple grains according to particle rock breaking capacity on cutterhead
Sub- nozzle, the installation number of particle nozzle and position are determined according to excavation face shape, pass through the particle impacting broken rock of multiple nozzles
To achieve the purpose that excavate different section space, the quantity of particle nozzle 2 hits range with particle nozzle 2 can cover entirely substantially
Face is advisable.As 5 to shown in Fig. 7.
As shown in figure 4, the cutterhead 1 is equipped with energy-absorbing plate 101 and retainer 21, it is equipped with pipe passage inside cutterhead 1,
The pressure duct 3 in extended conduit channel is equipped with protective device, and the protective device is the steel plate being wrapped on pressure duct 3
Layer.The cutterhead 1 is mainly that the techniques such as steel construction casting, welding are made, and is mounted in shield body 4；The energy-absorbing plate 101 is cone
Shape cover or plate protective layer cause cutterhead to damage for preventing from acting on the high-velocity particles to rebound after face and rebounding to cutterhead
It is bad, the energy of the high-velocity particles of rebound is absorbed, particle nozzle 2 and cutterhead 1 are protected.Retainer 21 on the cutterhead is for fixing
Particle nozzle 2, pressure duct 3 are arranged in pipe passage, and protective device is arranged at cutterhead, prevents the landwaste high-voltage tube tumbled
Road 3 damages, and plays protective action to pressure duct.
A kind of construction method of the novel complete-section tunnel boring machine using high-velocity particles rock fracture in dynamic indentation, including following step
It is rapid: to be 1. pressed to form the fluid media (medium) of high-speed motion through high-pressure pump using high-pressure pump fluid medium, the fluid of high-speed motion is situated between
It is high that matter makes the particle in particle generation tank be mixed into formation in the fluid media (medium) of high-speed motion in pressure piping using siphon principle
Fast particle flux；
2. high-velocity particles flow through the particle nozzle being arranged on cutterhead and are ejected to face, the particle in high-velocity particles stream is made
For the rock of face, rock is set to generate destruction, fluid media (medium), which acts on face simultaneously, makes landwaste fall off；
3. using particle recovery system from the particle in the high-velocity particles stream for recycling ejection in 2. landwaste that step falls off, and
It is utilized again.Particle after the utility model landwaste and strike is after slag-tapping system is exported to particle recovery system by landwaste
Discharge working space, particle are recycled in particle storage box 17 and recycle.The complete machine of the utility model complete-section tunnel boring machine
It is carried out changing step by propulsion system 10.
The fluid media (medium) of the step 1. high-speed motion is then to pass through accumulator systems stabilisation pressure after high-pressure pump is pressurized
Power, and formed after booster repressurization.
Claims (10)
1. a kind of novel complete-section tunnel boring machine using high-velocity particles rock fracture in dynamic indentation, including driving machine host and and development machine
The slag-tapping system (5) that host matches, the driving machine host are equipped with shield body (4), and shield body (4) is equipped with cutterhead (1),
Be characterized in that: the cutterhead (1) is fixation cutter head, and cutterhead (1) is equipped with particle nozzle (2).
2. the novel complete-section tunnel boring machine according to claim 1 using high-velocity particles rock fracture in dynamic indentation, feature exist
In: it is described be connected with particle nozzle (2) be equipped with particle injected system, the particle injected system include high-pressure pump (18) and
The particle generation tank (6) being connected with high-pressure pump (18), particle nozzle (2) are connected by pressure duct (3) with high-pressure pump (18).
3. the novel complete-section tunnel boring machine according to claim 2 using high-velocity particles rock fracture in dynamic indentation, feature exist
In: the particle generation tank (6) is arranged between particle nozzle (2) and high-pressure pump (18).
4. the novel complete-section tunnel boring machine according to claim 3 using high-velocity particles rock fracture in dynamic indentation, feature exist
In: booster (7) are equipped between the high-pressure pump (18) and particle generation tank (6), between booster (7) and high-pressure pump (18)
It is additionally provided with accumulator (8).
5. the novel complete-section tunnel boring machine according to claim 1 using high-velocity particles rock fracture in dynamic indentation, feature exist
In: it matches with the slag-tapping system (5) equipped with particle recovery system, the particle recovery system includes level-one belt feeder
(9), one end of second belt machine (20) and screening machine (13), the level-one belt feeder (9) is arranged in slag-tapping system (5) blanking port
Lower section, the other end by magnetic belt (12) extend to the top of screening machine (13) feed inlet；The second belt machine (20)
One end setting is below screening machine (13), the other end stretches out on the outside of driving machine host；The discharge port and grain of the screening machine (13)
Sub- storage box (17) is connected.
6. the novel complete-section tunnel boring machine according to claim 5 using high-velocity particles rock fracture in dynamic indentation, feature exist
In: the lower part between slag-tapping system (5) one end setting cutterhead (1) and face, the other end extend to level-one belt feeder (9)
Top.
7. the novel complete-section tunnel boring machine according to claim 5 using high-velocity particles rock fracture in dynamic indentation, feature exist
In: described magnetic belt (12) one end is equipped with drum-type electro magnet (11), the other end extends to the upper of screening machine (13) feed inlet
Side.
8. the novel complete-section tunnel boring machine according to claim 5 using high-velocity particles rock fracture in dynamic indentation, feature exist
In: it is equipped with sieve in the screening machine (13), is equipped with magnetic separator (14) below sieve, is connected with magnetic separator (14) and is equipped with de- magnetic
The discharge port of machine (15), de- magnetomechanical (15) is communicated with particle storage box (17).
9. the novel complete-section tunnel boring machine according to claim 1 using high-velocity particles rock fracture in dynamic indentation, feature exist
In: it is circle, rectangle, class rectangle or the shape of a hoof that the particle nozzle (2), which has multiple, described cutterheads (1) outer profile,.
10. the novel complete-section tunnel boring machine according to claim 1 using high-velocity particles rock fracture in dynamic indentation, feature exist
In: the cutterhead (1) is equipped with energy-absorbing plate (101) and retainer (21), is equipped with pipe passage, protruded tube inside cutterhead (1)
The pressure duct (3) of paths is equipped with protective device, and the protective device is the steel plate being wrapped on pressure duct (3)
Layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821965162.9U CN209195414U (en) | 2018-11-27 | 2018-11-27 | A kind of novel complete-section tunnel boring machine using high-velocity particles rock fracture in dynamic indentation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821965162.9U CN209195414U (en) | 2018-11-27 | 2018-11-27 | A kind of novel complete-section tunnel boring machine using high-velocity particles rock fracture in dynamic indentation |
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| CN209195414U true CN209195414U (en) | 2019-08-02 |
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| CN201821965162.9U Active CN209195414U (en) | 2018-11-27 | 2018-11-27 | A kind of novel complete-section tunnel boring machine using high-velocity particles rock fracture in dynamic indentation |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488317A (en) * | 2018-11-27 | 2019-03-19 | 中铁工程装备集团有限公司 | Utilize the novel complete-section tunnel boring machine of high-velocity particles rock fracture in dynamic indentation |
| CN110410093A (en) * | 2019-08-31 | 2019-11-05 | 中铁工程装备集团有限公司 | A kind of high pressure water cavitation broken rock TBM and its construction method |
| WO2020108093A1 (en) * | 2018-11-27 | 2020-06-04 | 中铁工程装备集团有限公司 | Full fracture surface tunneling machine using high speed particle impact to break rock and construction method |
-
2018
- 2018-11-27 CN CN201821965162.9U patent/CN209195414U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488317A (en) * | 2018-11-27 | 2019-03-19 | 中铁工程装备集团有限公司 | Utilize the novel complete-section tunnel boring machine of high-velocity particles rock fracture in dynamic indentation |
| WO2020108093A1 (en) * | 2018-11-27 | 2020-06-04 | 中铁工程装备集团有限公司 | Full fracture surface tunneling machine using high speed particle impact to break rock and construction method |
| CN110410093A (en) * | 2019-08-31 | 2019-11-05 | 中铁工程装备集团有限公司 | A kind of high pressure water cavitation broken rock TBM and its construction method |
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