CN205689221U - A kind of compound only pulp grinder structure and there is this shielding tunnel excavator stopping pulp grinder structure - Google Patents
A kind of compound only pulp grinder structure and there is this shielding tunnel excavator stopping pulp grinder structure Download PDFInfo
- Publication number
- CN205689221U CN205689221U CN201620631275.XU CN201620631275U CN205689221U CN 205689221 U CN205689221 U CN 205689221U CN 201620631275 U CN201620631275 U CN 201620631275U CN 205689221 U CN205689221 U CN 205689221U
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- Prior art keywords
- pulpboard
- compound
- pulp grinder
- grinder structure
- shield
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Abstract
This utility model provides a kind of compound only pulp grinder structure, and including compound only pulpboard, described compound only pulpboard includes upper only pulpboard arranged in parallel and lower only pulpboard, is provided with abrasive rubber layer between described upper only pulpboard and lower only pulpboard.The setting of compound only pulpboard, adds wearability；Under after upper only pulpboard abrasion, abrasive rubber layer is at elastic reaction on only pulpboard wearing part compensate.This utility model also proposes a kind of shielding tunnel excavator, including the compound only pulp grinder structure described in claim 15 any one.Gap synchronous grouting between crag and shield tail when shield machine is pushed ahead, compound only pulpboard extends backward because of stress the seal forming confined space to strengthen slip casting environment；Prevent serosity from pouring in down a chimney impact construction to shield body leading portion, reduce the waste of serosity and ensure section of jurisdiction installation quality, improving work efficiency.
Description
Technical field
This utility model relates to shield machine technical field, stops pulp grinder structure particularly to one is compound and has this only pulp grinder
The shielding tunnel excavator of structure.
Background technology
Shielding tunnel excavator, is called for short shield machine, is the special engineering machinery of a kind of tunnel piercing,.During shield machine work
Completing the slip casting of an endless tube sheet while pushing ahead under the thrust of propelling cylinder, stop driving the most again, section of jurisdiction is spelled
Install the assembly of next endless tube sheet.
The section of jurisdiction arm grouting behind shaft or drift lining of shield machine is divided into by from the time of shield driving and the different of slip casting purpose: synchronize note
Slurry, secondary reinforcement slip casting and water blockoff slip casting.
When using the mode of synchronous grouting, i.e. during driving, synchronous grouting is by synchronous grouting system and the note of shield tail
Slurry pipe, while shield pushes ahead the formation of shield tail space, the moment that serosity is formed in shield tail space plays filling in time and makees
With, make surrounding rock body obtain and support timely, can effectively prevent the slump of rock mass, control ground settlement.Therefore, shield machine is at shield
Tail is designed with only pulpboard, prevents serosity and subsoil water from flowing back to shield body front end, to ensure water proofing property and the density of grouting layer.And
A guard circle is formed in outer, section of jurisdiction, it is to avoid and slow down the subsoil water erosion displacement to section of jurisdiction, improve the durable of pipe-plate lining
Property.But, after in use shield machine tunnels one section, only pulpboard will due to the friction between shield body and the soil body gradually
Damage.Thus only pulpboard slowly loses seal, serosity can flee to Tu Cang to make grouting pressure be not easy to set up.Because of slip casting pressure
Power cannot be set up at top, section of jurisdiction, and it is full that top, section of jurisdiction is difficult to slip casting, the only pulpboard inflow Tu Cang that serosity can suitable damage, thus shadow
Ring the filling to serosity, not only can not fill space good ground but also ground settlement can be made to increase, and be unfavorable for that tunnel serves as a contrast
That builds is waterproof, also can diminish because the only damage of pulpboard makes pipe-plate lining be in support force behind, make section of jurisdiction be subjected to displacement deformation.By
Cannot change in work progress in only pulpboard, during therefore stopping pulpboard guarantee shield machine construction in the urgent need to one, it is possible to
Bear the friction in a longer interval and do not damage, and ensure seal.
Utility model content
For the deficiency in the presence of prior art, this utility model provides a kind of earth pressure balanced shield, EPBS synchronous grouting system
System, it provides a kind of use longevity strengthening slip casting environment seal and adding system for balancing earth-pressure shielding machine tail sealing
The earth pressure balanced shield, EPBS synchronous grouting system of life.
For achieving the above object, this utility model have employed following technical scheme:
A kind of compound only pulp grinder structure, including compound only pulpboard, described compound only pulpboard includes arranged in parallel
Upper only pulpboard and lower only pulpboard, be provided with abrasive rubber layer between described upper only pulpboard and lower only pulpboard.
Wherein, one end of described compound only pulpboard flushes, and the other end is for shifting to install, and described compound only pulpboard is wrong
The end of the abrasive rubber layer that position arranges end extends to stop outside pulpboard and lower only pulpboard, and meanwhile, described upper only pulpboard extends
Outside lower only pulpboard.
Specifically, described compound only pulpboard vertically has fixing hole near the position flushing end.
Further, described compound only pulpboard is made up of the first bending segment and the second bending segment.
Further, the junction of described first bending segment and the second bending segment uses inscribe arc transition.
This utility model also proposes a kind of shielding tunnel excavator, including being combined described in claim 1-5 any one
Type stops pulp grinder structure.
Compared to prior art, this utility model has the advantages that
1, the setting of compound only pulpboard, adds wearability；When after the abrasion of upper only pulpboard, abrasive rubber layer is made in elasticity
With lower, upper only pulpboard wearing part is compensated；
2, gap synchronous grouting between crag and shield tail when shield machine is pushed ahead, compound only pulpboard is because of stress backward
Extend the seal forming confined space to strengthen slip casting environment；Prevent serosity from pouring in down a chimney impact construction to shield body leading portion, reduce slurry
The waste of liquid also ensures section of jurisdiction installation quality, improves work efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is that utility model assembles structural representation；
Fig. 3 is that this utility model assembling uses structural representation.
Detailed description of the invention
Below in conjunction with the accompanying drawings and the technical scheme in this utility model is further illustrated by embodiment.
Embodiment 1
As it is shown in figure 1, a kind of compound only pulp grinder structure, including compound only pulpboard 7, described compound only pulpboard 7 includes
Upper only pulpboard 2 arranged in parallel and lower only pulpboard 1, be provided with abrasive rubber between described upper only pulpboard 2 and lower only pulpboard 1
Layer 3.In this utility model, the setting of compound only pulpboard 7, adds wearability；When abrasive rubber layer 3 after the abrasion of upper only pulpboard 2
Under elastic reaction on only pulpboard 2 wearing part compensate.
Embodiment 2
As it is shown on figure 3, this utility model also proposes a kind of shielding tunnel excavator, including claim 1-5 any one
Described compound only pulp grinder structure.In this utility model, the setting of compound only pulpboard 7, adds wearability；When upper only pulpboard 2
After abrasion abrasive rubber layer 3 under elastic reaction on only pulpboard 2 wearing part compensate.Therefore, shield machine is pushed ahead
Gap synchronous grouting between Shi Yanbi 8 and shield tail 4, compound only pulpboard 7 extends formation confined space backward to increase because of stress
The seal of injection slurry environment；Prevent serosity from pouring in down a chimney impact construction to shield body leading portion, reduce the waste of serosity and ensure that section of jurisdiction is pacified
Packing quality, improves work efficiency.
Shield machine driving time, fluid motor-driven cutterhead rotate, start shield machine thrust oil cylinder simultaneously, by shield machine to
Front propelling, along with pushing ahead of propelling cylinder, cutterhead persistently rotates, and is cut the quarrel soil got off and is full of clay bin, now opens
The dregs that cutting is got off by dynamic conveying worm is displaced on belt conveyor, after by the soil of belt haulage to slag-soil truck
In case, more vertically it is transported to ground by shield well head.Driving controls soil discharge quantity and casting speed, when clay bin and helical feed
When quarrel soil in machine runs up to some, the resistance that the cut dregs of excavation face enters clay bin through cutter groove increases, and works as mud
When the water pressure of the soil pressure of Tu Cang and the soil pressure of excavation face and subsoil water balances each other, excavation face just can keep stable, excavation face
Corresponding above ground portion also will not cave in or swell, as long as at this moment keeping the slag transferred out from conveying worm and clay bin
When soil amount and dregs amount phase equilibrium in person who lives in exile's clay bin of cut, excavate work and just can be smoothed out.Pipe sheet assembling shield
After structure machine tunnels the distance of a ring, by duct piece assembling machine straight joint or staggered joint erection single shell lining section of jurisdiction, make tunnel time molding.
Gap synchronous grouting between crag 8 and shield tail 4 when shield machine is pushed ahead, compound only pulpboard 7 extends backward because of stress shape
Become confined space to strengthen the seal of slip casting environment.Prevent its serosity from pouring in down a chimney impact construction to shield body leading portion, it is achieved to reduce slurry
The waste of liquid also ensures section of jurisdiction installation quality, improves work efficiency.
Embodiment 3
Seeing Fig. 1, Fig. 2, Fig. 3 in conjunction with the embodiments 1 and embodiment 2, one end of described compound only pulpboard 7 flushes, institute
The end that flushes stating compound only pulpboard 7 is connected with the shotcrete pipe 5 on shield tail 4, when assembling, by compound for bolt-through only pulpboard
The fixing hole 9 vertically offered on 7, by running through bolt the flushing compound only pulpboard 7 on end and shield tail 4 of fixing hole 9
Shotcrete pipe 5 connects, wherein, and the setting of shotcrete pipe 5 end slope the angle of inclination phase with compound only pulpboard 7 first bending segment 10
With, make shotcrete pipe 5 and compound only pulpboard 7 blind-mate fixed installation.The other end is for shifting to install, and described compound stopping is starched
Plate 7 shifts to install end for being connected with crag 8；Wherein, described compound only pulpboard 7 shifts to install the abrasive rubber layer 3 of end
End extends to stop outside pulpboard 2 and lower only pulpboard 1, and meanwhile, described upper only pulpboard 2 extends to down stop outside pulpboard 1.Use
Time, the end of the upper only pulpboard 2 of compound only pulpboard 7 being in close contact with crag 8 and is connected, abrasive rubber layer 3 extends upper stopping
The position of pulpboard 2 and crag 8 are in close contact to be formed and seal.Abrasive rubber extends to stop outside pulpboard 2, it is simple to compensates crag 8 and sinks
Fall, the space of formation of subsiding；Make compound only formation tight seal between pulpboard 7 and crag 8.
Embodiment 4
As shown in Figure 1, Figure 2, Figure 3 shows and in conjunction with the embodiments 1 and embodiment 2, described compound only pulpboard 7 by with on shield tail 4
The first bending segment 10 of connecting of shotcrete pipe 5 and form for the second bending segment 11 of being connected with crag 8.Being combined of bending structure
Type stops the design of pulpboard 7, makes compound only pulpboard 7 more tight with the connection of shotcrete pipe 5 and crag 8, more endurance during slip casting,
Preventing under the pressure of injection slurry, compound only pulpboard 7 deforms or loses.The gradient of the first bending segment 10 and shotcrete pipe 5
The gradient of end is identical, makes shotcrete pipe 5 be connected with the first bending segment 10 coupling, and sealing is higher.Described first bending segment 10
Use inscribe arc transition with the junction of the second bending segment 11, make the endurance of compound only pulpboard 7 strengthen, while slip casting
Stress is avoided to concentrate.
Finally illustrating, above example is only in order to illustrate the technical solution of the utility model and unrestricted, although ginseng
According to preferred embodiment, this utility model is described in detail, it will be understood by those within the art that, can be to this
The technical scheme of utility model is modified or equivalent, without deviating from objective and the model of technical solutions of the utility model
Enclosing, it all should be contained in the middle of right of the present utility model.
Claims (6)
1. a compound only pulp grinder structure, it is characterised in that: include that compound only pulpboard, described compound only pulpboard include mutually
The upper only pulpboard be arrangeding in parallel and lower only pulpboard, be provided with abrasive rubber layer between described upper only pulpboard and lower only pulpboard.
2. a kind of compound only pulp grinder structure as claimed in claim 1, it is characterised in that: one end of described compound only pulpboard
Flushing, the other end is for shifting to install, and the end of the described compound only abrasive rubber layer that pulpboard shifts to install end only extends to
Outside pulpboard and lower only pulpboard, meanwhile, described upper only pulpboard extends to down stop outside pulpboard.
3. a kind of compound only pulp grinder structure as claimed in claim 2, it is characterised in that: near neat on described compound only pulpboard
The position of flush end vertically has fixing hole.
4. the compound only pulp grinder structure of one as described in claim 1-3 any one, it is characterised in that: described compound only slurry
Plate is made up of the first bending segment and the second bending segment.
5. a kind of compound only pulp grinder structure as claimed in claim 4, it is characterised in that: described first bending segment and the second bending
The junction of section uses inscribe arc transition.
6. a shielding tunnel excavator, it is characterised in that: include the compound only pulp grinder described in claim 1-5 any one
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620631275.XU CN205689221U (en) | 2016-06-23 | 2016-06-23 | A kind of compound only pulp grinder structure and there is this shielding tunnel excavator stopping pulp grinder structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620631275.XU CN205689221U (en) | 2016-06-23 | 2016-06-23 | A kind of compound only pulp grinder structure and there is this shielding tunnel excavator stopping pulp grinder structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205689221U true CN205689221U (en) | 2016-11-16 |
Family
ID=57425603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620631275.XU Expired - Fee Related CN205689221U (en) | 2016-06-23 | 2016-06-23 | A kind of compound only pulp grinder structure and there is this shielding tunnel excavator stopping pulp grinder structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205689221U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863680A (en) * | 2016-06-23 | 2016-08-17 | 重庆睿安特盾构技术股份有限公司 | Composite grouting stop mechanism and shield tunnel boring machine with same |
-
2016
- 2016-06-23 CN CN201620631275.XU patent/CN205689221U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863680A (en) * | 2016-06-23 | 2016-08-17 | 重庆睿安特盾构技术股份有限公司 | Composite grouting stop mechanism and shield tunnel boring machine with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161116 Termination date: 20180623 |