CN207297013U - A kind of jet stream shield machine - Google Patents
A kind of jet stream shield machine Download PDFInfo
- Publication number
- CN207297013U CN207297013U CN201720993919.4U CN201720993919U CN207297013U CN 207297013 U CN207297013 U CN 207297013U CN 201720993919 U CN201720993919 U CN 201720993919U CN 207297013 U CN207297013 U CN 207297013U
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- nozzle
- cutterhead
- jet stream
- shield machine
- punching
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- 238000005520 cutting process Methods 0.000 claims abstract description 41
- 230000004888 barrier function Effects 0.000 claims abstract description 38
- 230000005641 tunneling Effects 0.000 claims abstract description 35
- 238000004080 punching Methods 0.000 claims abstract description 32
- 239000002689 soil Substances 0.000 claims description 31
- 239000007921 spray Substances 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 12
- 238000010276 construction Methods 0.000 description 7
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 238000005553 drilling Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model provides a kind of jet stream shield machine, including cutterhead and fluidic module, fluidic module includes edge cuts nozzle, washes away nozzle, tunneling boring cutting nozzle and punching digging nozzle, the periphery that nozzle is arranged on cutterhead is dug in edge cuts nozzle and punching, and tunneling boring, which cuts nozzle and washes away nozzle, is located at the center of cutterhead between periphery.The utility model has that strong to hard barrier disposal ability, water consumption is small, and the advantages that working security is high.
Description
Technical field
It the utility model is related to ground tunneling construction field, more particularly to a kind of jet stream shield machine.
Background technology
In rock and soil drilling construction, generally use mechanical cutting tool carries out drilling, and mechanical cutting tool is by one or more
A cutter tooth composition, each cutter tooth are crossed to form blade by rake face and rear knife face, and blade incision is to be cut under axial compressive force effect
Ground is cut, front ground is crushed under thrust and realizes drilling, this mode fully relies on mechanism and carries out broken rock, it is soft
During soil driving, mechanical cutting tool needs big axial thrust to make cutter injection ground, then drives cutter with big turning moment
Rotary cutting ground, at this time when excavated section is big, the demand of number of cutters and required thrust moment are big, cause equipment knot
Structure is heavy, and required power consumption is very big, brings huge manufacturing cost and use cost.
For the above problem of solution, existing mode is to realize driving using Water jet sprayer, its water jet can be to ground
Effectively cut and washed away, significantly simplified and alleviate device structure, but it is indifferent to hard Fault handling, it is overall
Water consumption is big, is unfavorable for big cross section, the tunneling construction of the soft soil layer especially containing large scale hard barrier.
Utility model content
The technical problems to be solved in the utility model be overcome the deficiencies of the prior art and provide it is a kind of to hard barrier at
Reason ability is strong, water consumption is small, and the jet stream shield machine that working security is high.
In order to solve the above technical problems, the utility model proposes technical solution be：
A kind of jet stream shield machine, including cutterhead and fluidic module, the fluidic module include being used to cut excavated section side
The edge cuts nozzle of edge soil layer, for breaking up washing away nozzle, tunneling tunneling boring hard for cutting for soil layer in excavated section
The tunneling boring cutting nozzle of barrier and below excavated section punching dig out place hard barrier groove rush digging nozzle, it is described
The periphery that nozzle is arranged on the cutterhead is dug in edge cuts nozzle and punching, and the tunneling boring cuts nozzle and washes away nozzle positioned at described
The center of cutterhead is between periphery.
Further as above-mentioned technical proposal is improved：
The angle theta in the edge cuts nozzle and shield driving direction is 8~20 °,
The edge cuts nozzle at least two, and be uniformly distributed along the circumferential direction of the cutterhead.
The nozzle that washes away to be multiple, it is multiple it is described wash away radial arrangement of the nozzle along the cutterhead, it is multiple described to wash away
The injector stroke of nozzle covers the radius region of the cutterhead.
The tunneling boring cuts nozzle radially wobbling along the cutterhead, its injector stroke covers the radial regions of the cutterhead
Domain.
The tunneling boring cuts nozzle at least two, and is uniformly distributed along the circumferential direction of the cutterhead.
Jet stream shield machine further includes the slag-drip opening for fluidic module cutting soil to be discharged, and the slag-drip opening is arranged on described
The middle part of cutterhead；The punching dig between nozzle and slag-drip opening be equipped be used for by bulk hard barrier be directed to the guiding of groove every
Grid.
It is 30~75 ° that nozzle and the angle in shield driving direction are dug in the punching.
Compared with prior art, the utility model has the advantage of：
The utility model realizes the tunneling boring pick of soft soil layer by the way of the Water jet sprayer combination of difference in functionality
Into excavation, avoid using the problem of weight of equipment caused by cutter is big, power consumption is big, its is simple in structure, light-weight, and pushes away
Into and rotation it is low in energy consumption；And tunneling boring cutting nozzle is used for cutting and crushing and tunnels full face hard barrier, punching is dug nozzle and is used
The groove for placing bulk hard barrier is dug out in punching so that processing of the jet stream shield machine of the utility model to hard barrier
Ability is strong, and overall water consumption is small, suitable for the tunneling construction of the soft soil layer containing large scale hard barrier；Meanwhile edge
Cutting nozzle and punching dig nozzle and are arranged on cutterhead periphery, tunneling boring cut nozzle and wash away nozzle be located at cutterhead center to periphery it
Between, its characteristics of compact layout, simple operation.
Brief description of the drawings
The utility model will be hereinafter described in more detail based on embodiment and refer to the attached drawing.Wherein：
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the sectional view of the Section A-A of Fig. 1.
Fig. 3 is the sectional view of the section B-B of Fig. 1.
Fig. 4 is the sectional view in the C-C sections of Fig. 1.
Fig. 5 is the cured structure diagram of the utility model slip casting.
Each label represents in figure：
1st, cutterhead；2nd, edge cuts nozzle；3rd, tunneling boring cutting nozzle；4th, nozzle is dug in punching；5th, nozzle is washed away；6th, deslagging
Mouthful；7th, it is oriented to barrier.
Embodiment
Under will combine Figure of description and specific embodiment the utility model will be described in further details, but not therefore
And limit the scope of protection of the utility model.
The embodiment of the jet stream shield machine of the utility model is shown as shown in Figure 1 to Figure 4, and jet stream shield machine is soil pressure formula shield
Machine or slurry type shield machine.In the present embodiment, jet stream shield machine includes cutterhead 1 and fluidic module, and fluidic module is revolved with cutterhead 1
Turn, fluidic module includes edge cuts nozzle 2, washes away nozzle 5, tunneling boring cutting nozzle 3 and punching digging nozzle 4.Wherein, edge is cut
The periphery that nozzle 2 is arranged on cutterhead 1 is cut, for cutting excavated section edge soil layer, and when soft soil layer contains hard barrier
Edge cuts nozzle 2 can be used as solidify liquid injection nozzle；Wash away nozzle 5 and be located at the center of cutterhead 1 between periphery, for breaking up
Soil layer in excavated section, using edge cuts nozzle 2 and washes away effectively cutting for the i.e. achievable soft soil layer of nozzle 5；Quan Duan
Face cutting nozzle 3 is located at the center of cutterhead 1 between periphery, and full face hard barrier is tunneled for cutting；Nozzle 4 is dug in punching
Arranged on the periphery of cutterhead 1, the groove for placing hard barrier is dug out for being rushed below excavated section.The utility model is not using
The full advance that the mode of the Water jet sprayer combination of congenerous realizes soft soil layer is excavated, and avoid is caused using cutter
Weight of equipment is big, the problem of power consumption is big, its is simple in structure, light-weight, and promotes and rotate low in energy consumption；And tunneling boring is cut
Cut nozzle 3 and be used for the full face hard barrier of cutting and crushing driving, punching digs nozzle 4 and digs out placement bulk hard obstacle for punching
The groove of thing so that the jet stream shield machine of the utility model is strong to the disposal ability of hard barrier, and overall water consumption is small, is applicable in
In the tunneling construction of the soft soil layer containing large scale hard barrier；Meanwhile edge cuts nozzle 2 and punching are dug nozzle 4 and are arranged on
1 periphery of cutterhead, tunneling boring cutting nozzle 3 and washes away nozzle 5 and be located at the center of cutterhead 1 between periphery, its characteristics of compact layout, operates
It is convenient.
In the present embodiment, edge cuts nozzle 2 and the angle theta in shield driving direction are 8~20 °, ensure that edge cuts
Effective cutting of the nozzle 2 to excavated section edge, the injection pressure of edge cuts nozzle 2, which is subject to, cuts off barrier, generally
250Mpa, when cutterhead 1 rotates, edge cuts nozzle 2 cuts excavated section edge soil layer.As shown in Fig. 2, in the present embodiment,
Edge cuts nozzle 2 is two, and two edge cuts nozzles 2 are uniformly distributed along the circumferential direction of cutterhead 1, in other embodiments, side
The quantity of edge cutting nozzle 2 can be adjusted according to the demand that drilling is constructed.
As shown in figure 5, in the present embodiment, when edge cuts nozzle 2 is as solidify liquid injection nozzle, edge cuts nozzle
2 to 1 peripheral direction deflection angle β of cutterhead be 1~5 ° so that edge cuts nozzle 2, which sprays, forms the pick of certain length and thickness
Into branch sheath, working security is improved.
As shown in Fig. 2, in the present embodiment, it is multiple, multiple radial arrangements for washing away nozzle 5 along cutterhead 1 to wash away nozzle 5,
The radius region of multiple injector stroke covering cutterheads 1 for washing away nozzle 5, the injection pressure for washing away nozzle 5 is 35~100Mpa,
When cutterhead 1 rotates, soil layer in excavated section can be broken up by washing away nozzle 5, in the present embodiment, washed away nozzle 5 and washed away spray for sector
Nozzle is washed away in head or taper.In the present embodiment, it is centrally disposed close to cutterhead 1 to wash away nozzle 5, edge cuts spray along cutterhead 1 radially
First 2 is centrally disposed away from cutterhead 1, its characteristics of compact layout.
As shown in figure 3, in the present embodiment, tunneling boring cutting the radially wobbling along cutterhead 1 of nozzle 3, tunneling boring cutting nozzle 3
Injector stroke covering cutterhead 1 radius region, swing using the rotation of cutterhead 1 and tunneling boring cutting nozzle 3 and realize that driving is complete disconnected
The Slice by slice cutting of face hard barrier, which raises the driving speed of shield machine, meanwhile, it can be reduced by the way of nozzle swing
The water consumption of nozzle quantity and each nozzle.In the present embodiment, tunneling boring cutting nozzle 3 is two, and two tunneling borings cut nozzle 3
It is uniformly distributed along the circumferential direction of cutterhead 1, in other embodiments, the quantity of tunneling boring cutting nozzle 3 can be according to the need of drilling construction
Ask and be adjusted.
In the present embodiment, rushed using punching digging nozzle 4 below excavated section and dig out groove, nozzle 4 and shield driving are dug in punching
The angle in direction is 30~75 °, is preferably 45~55 °, which ensure that the groove that nozzle 4 digs out enough depth is dug in punching, is easy to big
The discharge of block hard barrier；The operating pressure that nozzle 4 is dug in punching is 35~100MPa, is preferably 45~70MPa, which ensure that punching
Digging nozzle 4, quickly groove is dug out in punching.In the present embodiment, the digging groove overall width that rushes that nozzle 4 is dug in punching is not more than shield machine transverse direction ruler
Very little 1/4, the digging angle [alpha] of rushing that nozzle 4 is dug in punching generally takes 30~60 °, which ensure that having enough primary soil bodys below shield machine
Shield is supported, so as to ensure that tunneling direction does not produce offset.
In the present embodiment, edge cuts nozzle 2, wash away nozzle 5, tunneling boring cutting nozzle 3 and punching digging nozzle 4 using height
Small flow nozzle is pressed, reduces influence and system loading of the nozzle to soil body stability.
In the present embodiment, jet stream shield machine further includes slag-drip opening 6, and slag-drip opening 6 is arranged on the middle part of cutterhead 1, punching dig nozzle 4 with
It is equipped between slag-drip opening 6 and is oriented to barrier 7, the fritter debris and the soil body of fluidic module cutting is discharged by slag-drip opening 6, bulk hard
Barrier falls into groove discharge by being oriented to barrier 7 under the effect of gravity so that the cutting soil containing bulk hard barrier
Excavated section can effectively be left, it is therefore prevented that the soil body hinders operating interruptions phenomenon caused by shield machine driving, and avoids using broken
The problem of size and power are difficult to meet actual demand caused by stone implement is limited by space.
In the present embodiment, the driving method of the jet stream shield machine described in above-described embodiment, includes the following steps：
1) when soft soil layer contains hard barrier, rotary head 1, starts edge cuts nozzle 2 to excavated section
Edge soil layer injection solidify liquid, branch sheath is tunneled to be formed；Start punching digging nozzle 4 at the same time to dig to punching below excavated section, formed
Place the groove of bulk hard barrier；
2) rotary head 1, starts tunneling boring cutting nozzle 3 and cuts hard barrier, cutting nozzle 3 by tunneling boring swings
The adjustment of angle so that annular joint-cutting is cut out on hard barrier, realizes that the layering of hard barrier crushes cutting；
3) after abolishing hard barrier, rotate and promote cutterhead 1, start edge cuts nozzle 2 and cut excavated section edge
Soil layer, starts and washes away nozzle 5 and break up soil layer in excavated section.
The utility model realizes the full advance of soft soil layer using the Water jet sprayer combination application of difference in functionality
Excavate, avoid using the problem of weight of equipment caused by cutter is big, power consumption is big；And the tunneling boring cutting cutting of nozzle 3 is broken
The broken full face hard barrier of driving, punching dig nozzle 4 and rush the groove for digging out and placing bulk hard barrier so that jet stream shield
Machine is strong to the disposal ability of hard barrier, and overall water consumption is small, suitable for the soft soil layer containing large scale hard barrier
Tunneling construction；Meanwhile grouting and reinforcing is carried out using edge cuts nozzle 2 before driving, driving branch sheath is formed, it is improved
The stability of face, it is therefore prevented that the generation of cave-in accident.
In the present embodiment, in step 1), edge cuts nozzle 2 is deflected 1~5 ° to 1 peripheral direction of cutterhead so that side
Edge cutting nozzle 2 sprays the driving branch sheath for forming certain length and thickness, improves working security；In the present embodiment, driving
The space for placing groove is reserved without curing in the lower section of section, and the width for placing groove is no more than shield machine lateral dimension
1/4。
Although the present utility model has been described by reference to the preferred embodiments, but the model of the utility model is not being departed from
In the case of enclosing, various improvement can be carried out to it and component therein can be replaced with equivalent.Especially, as long as not depositing
In structural conflict, items technical characteristic mentioned in the various embodiments can be combined in any way.The utility model
It is not limited to specific embodiment disclosed herein, but all technical solutions including falling within the scope of the appended claims.
Claims (8)
1. a kind of jet stream shield machine, including cutterhead and fluidic module, it is characterised in that the fluidic module includes being used to cut pick
Edge cuts nozzle into section rim soil layer, for break up soil layer in excavated section wash away nozzle, complete for cutting driving
The tunneling boring cutting nozzle of section hard barrier and below excavated section punching dig out and place hard barrier groove and rush digging
The periphery that nozzle is arranged on the cutterhead is dug in nozzle, the edge cuts nozzle and punching, and the tunneling boring cuts nozzle and washes away spray
Head is positioned at the center of the cutterhead between periphery.
2. jet stream shield machine according to claim 1, it is characterised in that the edge cuts nozzle and shield driving direction
Angle theta be 8~20 °.
3. jet stream shield machine according to claim 2, it is characterised in that the edge cuts nozzle at least two, and
It is uniformly distributed along the circumferential direction of the cutterhead.
4. jet stream shield machine as claimed in any of claims 1 to 3, it is characterised in that the nozzle that washes away is more
It is a, it is multiple it is described wash away radial arrangement of the nozzle along the cutterhead, multiple injector strokes for washing away nozzle cover the knives
The radius region of disk.
5. jet stream shield machine as claimed in any of claims 1 to 3, it is characterised in that the tunneling boring cutting spray
Head radially wobbling along the cutterhead, its injector stroke cover the radius region of the cutterhead.
6. jet stream shield machine according to claim 5, it is characterised in that the tunneling boring cuts nozzle at least two,
And it is uniformly distributed along the circumferential direction of the cutterhead.
7. jet stream shield machine as claimed in any of claims 1 to 3, it is characterised in that further include and be used for jet stream
The slag-drip opening of component cutting soil discharge, the slag-drip opening are arranged on the middle part of the cutterhead；The punching dig nozzle and slag-drip opening it
Between be equipped with and be used to for bulk hard barrier to be directed to the guiding barrier of groove.
8. jet stream shield machine according to claim 7, it is characterised in that nozzle and the folder in shield driving direction are dug in the punching
Angle is 30~75 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720993919.4U CN207297013U (en) | 2017-08-09 | 2017-08-09 | A kind of jet stream shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720993919.4U CN207297013U (en) | 2017-08-09 | 2017-08-09 | A kind of jet stream shield machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207297013U true CN207297013U (en) | 2018-05-01 |
Family
ID=62449055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720993919.4U Active CN207297013U (en) | 2017-08-09 | 2017-08-09 | A kind of jet stream shield machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207297013U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387104A (en) * | 2017-08-09 | 2017-11-24 | 中国铁建重工集团有限公司 | A kind of jet shield machine and driving method |
| CN109578005A (en) * | 2018-06-29 | 2019-04-05 | 中铁工程装备集团有限公司 | A kind of development machine and its driving method using pressurization wind broken rock |
| CN113183037A (en) * | 2021-04-02 | 2021-07-30 | 山东大学 | Abrasive water jet full-section cutting type cutter head and application device |
-
2017
- 2017-08-09 CN CN201720993919.4U patent/CN207297013U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387104A (en) * | 2017-08-09 | 2017-11-24 | 中国铁建重工集团有限公司 | A kind of jet shield machine and driving method |
| CN107387104B (en) * | 2017-08-09 | 2023-10-17 | 中国铁建重工集团股份有限公司 | Jet shield tunneling machine and tunneling method |
| CN109578005A (en) * | 2018-06-29 | 2019-04-05 | 中铁工程装备集团有限公司 | A kind of development machine and its driving method using pressurization wind broken rock |
| CN113183037A (en) * | 2021-04-02 | 2021-07-30 | 山东大学 | Abrasive water jet full-section cutting type cutter head and application device |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 410100 No. 88 East 7 Line, Changsha Economic and Technological Development Zone, Hunan Province Patentee after: China Railway Construction Heavy Industry Co.,Ltd. Address before: 410100 No. 88 Dongqi Road, Jingkai District, Changsha City, Hunan Province Patentee before: China Railway Construction Heavy Industry Co.,Ltd. |