CN207161085U - A kind of jet for noncircular cross section set of tunneling construction aids in shield machine - Google Patents
A kind of jet for noncircular cross section set of tunneling construction aids in shield machine Download PDFInfo
- Publication number
- CN207161085U CN207161085U CN201720672711.2U CN201720672711U CN207161085U CN 207161085 U CN207161085 U CN 207161085U CN 201720672711 U CN201720672711 U CN 201720672711U CN 207161085 U CN207161085 U CN 207161085U
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- China
- Prior art keywords
- jet
- nozzle
- shield machine
- noncircular cross
- fan
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Abstract
The utility model provides a kind of jet for noncircular cross section set of tunneling construction and aids in shield machine, multiple cutterheads including anterior shield and located at the anterior shield end face, also include be used for cutter plate can not cutting zone section soil layer fluidic module, the fluidic module is on the anterior shield end face, and be staggeredly arranged with the cutterhead, the injector stroke of the fluidic module covers the cutting blind area of the cutterhead.The utility model have the advantages that to realize noncircular cross section effectively cut, shield machine driving it is safe, versatile.
Description
Technical field
It the utility model is related to tunnel piercing and apply field, more particularly to a kind of penetrating for noncircular cross section set of tunneling construction
Stream auxiliary shield machine.
Background technology
In constructing tunnel, the tunnel of noncircular cross section requirement is frequently encountered, existing tunneling method is generally using multiple
To realize the driving of noncircular cross section, but can exist between cutterhead the part that can not be overlapped, it is mainly section for circular beater plate fitting
At linear position, now, the remaining soil of section bottom because close to casting slag-draining device can conveniently removal, and profile head and side
Yu Tuhui squeezes into native storehouse inwall in anterior shield progradation, and the part weak soil will adhere to, be hardened in native storehouse inwall, cause cutterhead to revolve
Turn and shield machine promotes difficulty.
In order to solve the above technical problems, existing mode is to use mechanical weld root cleaning device, will be viscous using moveable perching knife
The soil body spatula for being attached to inwall gets off, but the working range of weld root cleaning device is limited, all adhesions that can not be to native storehouse inwall, hardened
Weak soil effectively remove, potential safety hazard be present；And weld root cleaning device need to be specially equipped with according to type, poor universality, cost is high, simultaneously
Its is complicated, and manufacture assembly precision requires high.
Utility model content
The technical problems to be solved in the utility model is overcome the deficiencies in the prior art, there is provided a kind of realizes noncircular cross section
Effectively cutting, shield machine tunnel safe, the versatile jet for noncircular cross section set of tunneling construction and aid in shield
Machine.
In order to solve the above technical problems, the utility model proposes technical scheme be：
A kind of jet for noncircular cross section set of tunneling construction aids in shield machine, including anterior shield and located at the anterior shield end
Multiple cutterheads in face, in addition to for cutter plate can not cutting zone section soil layer fluidic module, the fluidic module sets
In on the anterior shield end face, and it is staggeredly arranged with the cutterhead, the injector stroke of the fluidic module covers cutting for the cutterhead
Cut blind area.
Further improvement as above-mentioned technical proposal：
The fluidic module includes multiple fan nozzles, and the jet covering of the fan of multiple fan nozzles is parallel to each other, and respectively
The jet of the fan nozzle intersects at excavated section contour line with face.
When the profiled outline line length of the knife cutting blind area is L, quantity n, the jet of the fan nozzle
The angle of flare α of covering of the fan, the fan nozzle and face distance d meet that n*d*2*tg (α/2) is not less than profiled outline line length
Spend L.
The angle β of the jet covering of the fan and the shield machine tunneling direction is 5~10 °.
The fluidic module also includes the fluid jet nozzle located at knife cutting blind area center, the fluid jet nozzle
Nozzle and multiple radial nozzles are broken up including one, the nozzle that breaks up is set along shield machine tunneling direction, the radial nozzles edge
Described to break up the circumferentially disposed of nozzle, the jet action point of the radial nozzles exceeds the anterior shield end face.
The fluidic module also includes spray boom and high service pipe, and the fluid jet nozzle passes through spray boom and high service Guan Lian
Logical, the spray boom can drive the fluid jet nozzle to be moved along shield machine tunneling direction.
Protection pipe is arranged with outside the fluid jet nozzle and spray boom, the protection pipe is provided with each radial nozzles one by one
The multiple avoidance through holes being correspondingly arranged.
The central axis of spray boom, the fluid jet nozzle and spray boom described in the axis runout of multiple radial nozzles joinings
Between be provided with swivel joint.
The spray boom is connected with the rotary drive of driving spray boom rotation, and rotation is provided between spray boom and the high service pipe
Adapter.
The injection pressure of the fluidic module is not less than 35MPa.
Compared with prior art, the utility model has the advantage of：
The utility model is provided with fluidic module on anterior shield end face, and fluidic module is staggeredly arranged with cutterhead so that jet group
Part can be used for cutter plate can not cutting zone section soil layer, so as to realize effectively opening for the soil body in noncircular cross section tunnel piercing
Dig；It can effectively be cut using fluidic module and wash away ground, realized to all adhesions, effective removing of hardened weak soil, its shield
Machine driving is safe, and in the case where not changing physical dimension, by adjusting the pressure of fluidic module, flow, angle, turning
The parameters such as speed can solve the broken stripping of different hardness, composition, the viscosity soil body, and it is applicable to cutting for all kinds of section configuration soil bodys
Cut and crush, it is versatile, avoid using mechanical weld root cleaning device poor universality, it is complicated the problem of；Meanwhile using jet
Component propulsion is low in energy consumption, and simplifies shield machine structure.
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 structural representation of the present utility model.
Fig. 2 is the front view of the utility model fan nozzle.
Fig. 3 is the sectional view of the utility model fan nozzle.
Fig. 4 is the front view of the utility model fluid jet nozzle.
Fig. 5 is the sectional view of the utility model fluid jet nozzle.
Fig. 6 is the front view of the utility model spinning fluid jet nozzle.
Fig. 7 is the sectional view of the utility model spinning fluid jet nozzle.
Fig. 8 is the sectional view that the utility model forces rotary jet nozzle.
Each label represents in figure：
1st, anterior shield；2nd, cutterhead；21st, blind area is cut；3rd, fluidic module；31st, fan nozzle；311st, jet covering of the fan；32nd, jet
Shower nozzle；321st, nozzle is broken up；322nd, radial nozzles；323rd, the thin jet of cylinder；33rd, spray boom；34th, high service pipe；35th, protect
Pipe；351st, through hole is avoided；36th, swivel joint；37th, spinning fluid jet nozzle；371st, offset jet；38th, rotating jet spray is forced
Head；4th, face；5th, the soil body.
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.
As shown in figure 1, the jet for noncircular cross section set of tunneling construction of the present embodiment aids in shield machine, including anterior shield
1st, multiple cutterheads 2 and fluidic module 3, multiple cutterheads 2 are located at the end face of anterior shield 1, and fluidic module 3 is equally located at the end face of anterior shield 1,
And fluidic module 3 is staggeredly arranged with cutterhead 2, the cutting blind area 21 of the injector stroke covering cutterhead 2 of fluidic module 3, jet is utilized
Component 3 can wash away section soil layer, the soil body 5 is peeled off from stratum broken and discharge.The utility model is provided with the end face of anterior shield 1
Fluidic module 3, fluidic module 3 be staggeredly arranged with cutterhead 2 so that fluidic module 3 can be used for cutter plate 2 can not cutting zone
Section soil layer, so as to realize effective excavation of the soil body 5 in noncircular cross section tunnel piercing；Can effectively be cut using fluidic module 3 and
Ground is washed away, realizes that its shield machine driving is safe, and is not changing knot to all adhesions, effective removing of hardened weak soil
In the case of structure size, by adjust the parameters such as the pressure of fluidic module 3, flow, angle, rotating speed can solve different hardness, into
Divide, the broken stripping of the viscosity soil body, it is applicable to the cutting of all kinds of section configuration soil bodys with broken, versatile, avoids
Using mechanical weld root cleaning device poor universality, it is complicated the problem of；Meanwhile promoted using fluidic module 3 low in energy consumption, and simplify
Shield machine structure.
As shown in figure 1, in the present embodiment, fluidic module 3 is located at the first half of the end face of anterior shield 1, to solve excavated section top
The remaining soil of portion and side squeezes into native storehouse inwall in tunneling process and causes the rotation of cutterhead 2 and shield machine to promote the problem of difficult,
In embodiment, also fluidic module 3 can be set in the lower half of the end face of anterior shield 1 simultaneously.
As shown in Figure 2 and Figure 3, in the present embodiment, fluidic module 3 includes multiple fan nozzles 31, and fan nozzle 31 is fixed and set
Put, the jet covering of the fan 311 of multiple fan nozzles 31 is parallel to each other so that jet broad covered area, and avoid mutual between jet
Interference；Each fan nozzle 31 is set towards the housing of anterior shield 1, and jet and the face 4 of each fan nozzle 31 intersect at excavated section
Contour line so that the jet covering of the fan 311 of fan nozzle 31 carries out punching digging to excavated section soil layer surface, avoids fan nozzle 31
The soil body 5 caused by backbreaking collapses problem.
In the present embodiment, when the profiled outline line length for cutting blind area 21 is L, quantity n, the jet fan of fan nozzle 31
Angle of flare α, the distance d of fan nozzle 31 and face 4 in face 311 meet that n*d*2*tg (α/2) is not less than profiled outline line length
L is spent, angle of flare α, the fan nozzle of the quantity n of fan nozzle 31, jet covering of the fan 311 are determined by profiled outline line length L
The 31 and distance d of face 4 numerical value.
In the present embodiment, the angle β of jet covering of the fan 311 and shield machine tunneling direction is 5~10 °, which ensure that fan-shaped spray
The jet covering of the fan 311 of mouth 31 can be sprayed onto excavated section contour line, if the angle β mistakes of jet covering of the fan 311 and shield machine tunneling direction
Greatly, then the distance d of fan nozzle 31 and face 4 is long, and now the jet decay of fan nozzle 31 is big, power consumption is big, and easily
Interference is produced with cutterhead 2.
Such as Fig. 4, Fig. 5, in the present embodiment, fluidic module 3 also includes fluid jet nozzle 32, and fluid jet nozzle 32 is located at cutting blind area
21 center, fluid jet nozzle 32 break up nozzle 321 and multiple radial nozzles 322 including one, break up nozzle 321 along shield machine
Tunneling direction is set, and for breaking up the front soil body 5, reduces the jet-action power of radial nozzles 322；Radial nozzles 322 are along breaking up
Nozzle 321 it is circumferentially disposed, and the jet action point of radial nozzles 322 exceed anterior shield 1 end face, by the cutting and crushing of the soil body 5
Strip and the fritter soil body.In the present embodiment, the jet of radial nozzles 322 is the thin jet 323 of cylinder, in other embodiment
In, or sector or conical spray with certain angle of scattering, this further improves wash away and crushing efficiency.
In the present embodiment, fluidic module 3 also includes spray boom 33 and high service pipe 34, fluid jet nozzle 32 by spray boom 33 with
High service pipe 34 connects, meanwhile, spray boom 33 can drive fluid jet nozzle 32 to be moved along shield machine tunneling direction, and fluid jet nozzle 32 is stretched
Go out highest distance position and should ensure that the jet action point of radial nozzles 322 exceeds the end face of anterior shield 1 so that fluid jet nozzle 32 can stretch into soil
Body 5 carries out cutting and crushing.In a preferred embodiment, protection pipe 35 is arranged with outside fluid jet nozzle 32 and spray boom 33, in protection pipe 35
Provided with multiple avoidance through holes 351 that setting is corresponded with each radial nozzles 322 so that the jet of radial nozzles 322 can be effective
Spray, during work, by promoting protection pipe 35 that fluid jet nozzle 32 and spray boom 33 can be driven to stretch into the soil body 5.
As shown in Figure 6, Figure 7, in the present embodiment, the center of the axis runout spray boom 33 of multiple joinings of radial nozzles 322
Axis, the quantity at least two of radial nozzles 322 so that radial nozzles 322 form torque under spray reaction forces, so as to band
Dynamic shower nozzle autorotation, spinning fluid jet nozzle 37 is formed, spinning fluid jet nozzle 37 forms offset jet 371, and it is without outer
Portion's power, capacity usage ratio are high.In the present embodiment, stretch and rotate along shield machine tunneling direction by spinning fluid jet nozzle 37
The mode that both combine, expands impact range of the jet to the soil body 5, can be achieved efficiently to wash away.
In the present embodiment, swivel joint 36 is provided between spinning fluid jet nozzle 37 and spray boom 33, it is high in effective conveying
While pressing water, effective rotation of spinning fluid jet nozzle 37 can be achieved；Meanwhile the direction of rotation of spinning fluid jet nozzle 37 with
Connection screw thread tightening direction between swivel joint 36, spray boom 33 is consistent, to prevent the release of spinning fluid jet nozzle 37 during spin-ended turn
Come off.
As shown in figure 8, in the present embodiment, spray boom 33 is connected with the rotary drive that driving spray boom 33 rotates so that shower nozzle
Rotated under external force by certain speed, formed and force rotary jet nozzle 38, driven using external impetus and force rotary irradiating
The stream rotation of shower nozzle 38 can improve jet energy utilization ratio, and obstruction of the frictional force to rotation when overcoming the soil body 5 to be contacted with shower nozzle.
In the present embodiment, by way of forcing rotary jet nozzle 38 flexible along shield machine tunneling direction and rotating both combinations, expand
Big impact range of the jet to the soil body 5, can be achieved efficiently to wash away.In the present embodiment, rotary drive can be gear, worm gear snail
The transmission mechanisms such as bar, belt.
In the present embodiment, swivel joint 36 is provided between spray boom 33 and high service pipe 34, it is in effective conveying high-pressure water
While, it can be achieved to force effective rotation of rotary jet nozzle 38；Meanwhile force rotary jet nozzle 38 direction of rotation with
Connection screw thread tightening direction between swivel joint 36, high service pipe 34 is consistent, to prevent forcing rotary jet nozzle during spin-ended turn
38 releases come off.
In the present embodiment, the injection pressure that each nozzle of fluidic module 3 is met and discussed is not less than 35MPa, to ensure drivage efficiency.
In the present embodiment, fluidic module 3 can be selected according to driving demand, such as Fig. 1, be set respectively in the cutting blind area 21 of cutterhead 2
Fan nozzle 31, fluid jet nozzle 32, spinning fluid jet nozzle 37 and pressure rotary jet nozzle 38, in other embodiments,
One or more of which spray-nozzle type sprinkler head may be selected to be configured.
In the present embodiment, fluidic module 3 is either simultaneously or alternately sprayed by each spray nozzle of Valve controlling.Actually using
In, multigroup spray nozzle can be arranged in the cutting blind area 21 of each cutterhead 2, when one group of spray nozzle can not work because wearing or blocking
When, standby shower nozzle is can switch to, to reduce maintenance downtime.
Although the utility model is described by reference to preferred embodiment, model of the present utility model is not being departed from
In the case of enclosing, various improvement can be carried out to it and part therein can be replaced with equivalent.Especially, as long as not depositing
The every technical characteristic being previously mentioned in structural hazard, each embodiment can combine in any way.The utility model
It is not limited to specific embodiment disclosed herein, but all technical schemes including falling within the scope of the appended claims.
Claims (10)
1. a kind of jet for noncircular cross section set of tunneling construction aids in shield machine, including anterior shield and located at the anterior shield end face
Multiple cutterheads, it is characterised in that also include be used for cutter plate can not cutting zone section soil layer fluidic module, it is described to penetrate
Component is flowed on the anterior shield end face, and is staggeredly arranged with the cutterhead, described in the injector stroke covering of the fluidic module
The cutting blind area of cutterhead.
2. the jet according to claim 1 for noncircular cross section set of tunneling construction aids in shield machine, it is characterised in that
The fluidic module includes multiple fan nozzles, and the jet covering of the fan of multiple fan nozzles is parallel to each other, and each sector
The jet of nozzle intersects at excavated section contour line with face.
3. the jet according to claim 2 for noncircular cross section set of tunneling construction aids in shield machine, it is characterised in that
When the profiled outline line length of the knife cutting blind area is L, the quantity n of the fan nozzle, the jet covering of the fan expansion
The distance d for dissipating angle α, the fan nozzle and face meets that n*d*2*tg (α/2) is not less than profiled outline line length L.
4. the jet according to claim 3 for noncircular cross section set of tunneling construction aids in shield machine, it is characterised in that
The angle β of the jet covering of the fan and the shield machine tunneling direction is 5~10 °.
5. the jet for noncircular cross section set of tunneling construction according to Claims 1-4 any one aids in shield machine,
Characterized in that, the fluidic module also includes the fluid jet nozzle located at knife cutting blind area center, the jet
Shower nozzle breaks up nozzle and multiple radial nozzles including one, and the nozzle that breaks up is set along shield machine tunneling direction, the radial direction spray
Mouth breaks up the circumferentially disposed of nozzle described in, and the jet action point of the radial nozzles exceeds the anterior shield end face.
6. the jet according to claim 5 for noncircular cross section set of tunneling construction aids in shield machine, it is characterised in that
The fluidic module also includes spray boom and high service pipe, and the fluid jet nozzle is connected by spray boom with high service pipe, described
Spray boom can drive the fluid jet nozzle to be moved along shield machine tunneling direction.
7. the jet according to claim 6 for noncircular cross section set of tunneling construction aids in shield machine, it is characterised in that
Protection pipe is arranged with outside the fluid jet nozzle and spray boom, the protection pipe is provided with to correspond with each radial nozzles and set
Multiple avoidance through holes.
8. the jet according to claim 6 for noncircular cross section set of tunneling construction aids in shield machine, it is characterised in that
The central axis of spray boom, is provided between the fluid jet nozzle and spray boom described in the axis runout of multiple radial nozzles joinings
Swivel joint.
9. the jet according to claim 6 for noncircular cross section set of tunneling construction aids in shield machine, it is characterised in that
The spray boom is connected with the rotary drive of driving spray boom rotation, and swivel joint is provided between spray boom and the high service pipe.
10. the jet for noncircular cross section set of tunneling construction according to Claims 1-4 any one aids in shield
Machine, it is characterised in that the injection pressure of the fluidic module is not less than 35MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720672711.2U CN207161085U (en) | 2017-06-09 | 2017-06-09 | A kind of jet for noncircular cross section set of tunneling construction aids in shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720672711.2U CN207161085U (en) | 2017-06-09 | 2017-06-09 | A kind of jet for noncircular cross section set of tunneling construction aids in shield machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207161085U true CN207161085U (en) | 2018-03-30 |
Family
ID=61710420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720672711.2U Withdrawn - After Issue CN207161085U (en) | 2017-06-09 | 2017-06-09 | A kind of jet for noncircular cross section set of tunneling construction aids in shield machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207161085U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091099A (en) * | 2017-06-09 | 2017-08-25 | 中国铁建重工集团有限公司 | A kind of jet for noncircular cross section set of tunneling construction aids in shield machine |
| CN111997645A (en) * | 2020-09-10 | 2020-11-27 | 中铁工程装备集团有限公司 | Multi-cutter-head tunneling machine |
-
2017
- 2017-06-09 CN CN201720672711.2U patent/CN207161085U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091099A (en) * | 2017-06-09 | 2017-08-25 | 中国铁建重工集团有限公司 | A kind of jet for noncircular cross section set of tunneling construction aids in shield machine |
| CN111997645A (en) * | 2020-09-10 | 2020-11-27 | 中铁工程装备集团有限公司 | Multi-cutter-head tunneling machine |
| CN111997645B (en) * | 2020-09-10 | 2022-03-04 | 中铁工程装备集团有限公司 | Multi-cutter-head tunneling machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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 Group Co.,Ltd. Address before: 410100 No. 88 Dongqi Road, Jingkai District, Changsha City, Hunan Province Patentee before: China Railway Construction Heavy Industry Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180330 Effective date of abandoning: 20230721 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180330 Effective date of abandoning: 20230721 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |