CN108625871A - Push-bench based on earth pressure balance and its working method - Google Patents
Push-bench based on earth pressure balance and its working method Download PDFInfo
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- CN108625871A CN108625871A CN201810674581.5A CN201810674581A CN108625871A CN 108625871 A CN108625871 A CN 108625871A CN 201810674581 A CN201810674581 A CN 201810674581A CN 108625871 A CN108625871 A CN 108625871A
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- soil
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- cutterhead
- bench
- mud
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000002689 soil Substances 0.000 claims abstract description 110
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 241001504664 Crossocheilus latius Species 0.000 claims abstract description 23
- 238000005266 casting Methods 0.000 claims abstract description 8
- 238000013019 agitation Methods 0.000 claims abstract description 4
- 239000002002 slurry Substances 0.000 claims description 23
- 238000012545 processing Methods 0.000 claims description 15
- 239000004575 stone Substances 0.000 claims description 8
- 238000009412 basement excavation Methods 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 5
- 230000005641 tunneling Effects 0.000 claims description 5
- 238000013329 compounding Methods 0.000 claims description 4
- 230000001007 puffing effect Effects 0.000 claims description 4
- 239000012634 fragment Substances 0.000 claims description 3
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims 1
- 235000011613 Pinus brutia Nutrition 0.000 claims 1
- 241000018646 Pinus brutia Species 0.000 claims 1
- 229920002472 Starch Polymers 0.000 claims 1
- 235000019698 starch Nutrition 0.000 claims 1
- 239000008107 starch Substances 0.000 claims 1
- 241000406668 Loxodonta cyclotis Species 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 18
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1006—Making by using boring or cutting machines with rotary cutting tools
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The present invention proposes push-bench and its working method based on earth pressure balance, including control module, cutting mechanism, casting mechanism and direction adjusting mechanism；Casting mechanism front is connected with mud chamber with the driving cutterhead of cutting mechanism；It is rounded to tunnel cutterhead, driving cutterhead is equipped with multiple scrapers, multiple positions and multiple into native through-hole of loosening the soil；The closing area in knife cutting face is more than into native through-hole occupied area；The position of loosening the soil, which is equipped with, grinds cylinder；Densely covered pyramidal projections at the stone roller drum outer wall, when push-bench tunnels, driving cutterhead, which is pressed at the soil of front, to be rotated, and stone roller cylinder agitation soil layer is made to be allowed to loose, tunnels the scraper peeling front soil of cutterhead and push-bench is made to advance, the soil of peeling, which is passed through into native through-hole, enters mud chamber；The mud intracavitary is equipped with soil crushing device and auger, and the soil crushing device carries out second-time breakage to soil and is discharged by auger；Invention enhances push-bench when water-bearing layer geologic structure is tunneled to the prominent protective capacities for emerging in large numbers elephant.
Description
Technical field
The present invention relates to technical field of engineering machinery, are based especially on the push-bench and its working method of earth pressure balance.
Background technology
Push-bench is the commonly used equipment of constructing tunnel, in constructing tunnel, when encounter aquifer water well is big, water penetration is strong,
The big geological environment of head pressure（Such as Foochow subway work）When, it is also easy to produce underground water and dashes forward and gush problem, conventional push-bench
Boring mechanism does not often consider waterproof problem, is easy to influence project progress when encountering such accident, especially when in water-bearing layer
There is high temperature underground hot water（Hot spring）When, the influence to equipment and construction speed is likely more seriously, how to strengthen push-bench to this
The adaptability of class water-bearing layer geologic structure is a research direction.
Invention content
The present invention proposes push-bench and its working method based on earth pressure balance, enhances push-bench in water-bearing layer geology knot
To the prominent protective capacities for emerging in large numbers elephant when structure tunnels.
The present invention uses following technical scheme.
Push-bench based on earth pressure balance, the push-bench include control module, cutting mechanism, casting mechanism and direction tune
Complete machine structure；Casting mechanism front is connected with mud chamber with the driving cutterhead of cutting mechanism；The driving cutterhead it is rounded and by
Multiple motors driving rotation at cutting mechanism, the driving knife cutting face of cutting mechanism are equipped with multiple scrapers, multiple
It loosens the soil position and multiple into native through-hole；The closing area in knife cutting face is more than into native through-hole occupied area；The position of loosening the soil is equipped with
Stone roller cylinder perpendicular to cutting face；Pyramidal projections of gathering at the stone roller drum outer wall tunnel cutterhead and are pressed on front when push-bench tunnels
It is rotated at soil, the pyramidal projections agitation soil layer that cylinder barrel is ground in the position that makes to loosen the soil is allowed to loose, in order to tunnel the scraper stripping of cutterhead
Falling front soil makes push-bench advance, and the soil of peeling, which is passed through into native through-hole, enters mud chamber；The mud intracavitary be equipped with soil crushing device and
Auger, the soil crushing device carry out second-time breakage to soil, and auger is discharged the soil handled through second-time breakage from mud chamber.
Be equipped at the position of loosening the soil into native through-hole, the stone roller cylinder of position of loosening the soil be fixed on roller bearing position of loosening the soil into native through hole.
The stone roller cylinder is distributed on cutting face from driving cutterhead edge to centre by helix, in driving knife cutting face
It is equipped at centre and grinds cylinder.
It is described into being equipped with horizontal bar in native through-hole to prevent big fragment from passing through.
The soil crushing device of the mud intracavitary is the rubble cutterhead for being vertical at mud intracavitary, and the rubble cutterhead is for crushing mud
Ratchel in intracavitary soil is so that mud chamber soil is convenient for discharge.
The auger is placed in soil transport tube, and auger beginning is connected with mud chamber, the soil transport tube cylinder at auger beginning
Manhole is offered at wall.
The push-bench includes cylindrical front housing and cylindrical rear shell, front housing beginning setting driving cutterhead, front housing socket cunning
It is placed at rear shell；The direction adjusting mechanism is multiple jack at rear shell beginning, and the output end of jack is articulated with
Front housing end week edge, control module adjust the direction of driving cutterhead by changing the extension elongation of each jack output end.
Slurry processing unit is connected at the mud chamber, the slurry processing unit includes high-pressure water pipe and suction unit；Institute
Suction unit is stated for extracting mud and water in mud chamber out；When the stone in the soil of mud intracavitary is less, the high-pressure water pipe
The conveying high-pressure water into mud chamber is so that soil pulp.
Multiple motors at the cutting mechanism are evenly distributed by vertical circular and tunnel cutterhead through planetary gear set drives
Rotation.
For push-bench in normal driving, driving cutterhead rotation makes the stone roller cylinder of cutterhead roll front soil layer by spiral track
And it is allowed to puffing, the scraper of cutterhead peels off front soil layer, and pushes to peel off the earthwork and pass through into native through-hole and enter mud chamber；By mud intracavitary
Hack cutterhead further to peel off the earthwork in stone crush after, it is by auger that the soil after crushing is defeated from mud chamber
Go out.
When tunneling process generation underground water is prominent to be gushed, the closing portion in push-bench knife cutting face can prevent underground water too fast
Mud chamber is poured in, push-bench starts the quick pumping slurries of suction unit of slurry processing unit at this time, and closes auger and close mud
Native transport tube is to prevent slurry compounding, so that push-bench remains to continue excavation operation.
In the present invention, casting mechanism front is connected with mud chamber with the driving cutterhead of cutting mechanism；The pick of cutting mechanism
It is equipped with multiple scrapers, multiple positions and multiple into native through-hole of loosening the soil into cutterhead cutting face；The closing area in knife cutting face is more than
Into native through-hole occupied area；Slurry processing unit is connected at the mud chamber, the slurry processing unit includes high-pressure water pipe and pumping
Inhale device；The suction unit is used to extract the mud and water in mud chamber out；The design enables driving cutterhead to have good waterproof
Power, and mud chamber is set as intermediate isolating structure, when prominent emerge in large numbers as occurring, the special construction energy of cutterhead after tunneling cutterhead
Prevent underground water is too fast from pouring in, and mud chamber then provides good isolation structure, Field Force can be quick by suction unit
Draining, to make push pipe function continue to tunnel, is not easy to influence project progress.
In the present invention, the mud intracavitary is equipped with soil crushing device and auger, and the soil crushing device carries out second-time breakage to soil,
Auger is discharged the soil handled through second-time breakage from mud chamber；The soil crushing device of the mud intracavitary is to be vertical at mud intracavitary
Rubble cutterhead, the rubble cutterhead is used to crush the ratchel in mud intracavitary soil so that mud chamber soil is convenient for discharge；The strand
Dragon is placed in soil transport tube, and auger beginning is connected with mud chamber, and maintenance is offered at the soil transport tube barrel at auger beginning
Hole；Slurry processing unit is connected at the mud chamber, the slurry processing unit includes high-pressure water pipe and suction unit；The suction
Device is used to extract the mud and water in mud chamber out；When the stone in the soil of mud intracavitary is less, the high-pressure water pipe is to mud chamber
Middle conveying high-pressure water is so that soil pulp；This can be designed so that mud chamber only can quickly be discharged driving with smaller channel and make
The earthwork that industry generates, to improve the sealing ability of mud chamber, such as when it is prominent gush generation when, auger can be closed to prevent underground
Water pours in, and is drained by suction unit, to keep the excavation operation of push-bench.
In the present invention, the position of loosening the soil is equipped with the stone roller cylinder perpendicular to cutting face；Densely covered pyramidal projections at the stone roller drum outer wall,
When push-bench tunnels, driving cutterhead, which is pressed at the soil of front, to be rotated, and the pyramidal projections agitation soil layer of cylinder barrel is ground in the position that makes to loosen the soil
Be allowed to loose, the scraper in order to tunnel cutterhead, which peels off front soil, makes push-bench advance, the soil of peeling pass through into native through-hole into
Enter mud chamber；The design allows push-bench in driving, and surface layer puffing processing is carried out again to grind after cylinder presses to front soil layer, to
Part compacting is carried out to front soil layer in tunneling process, prominent emerge in large numbers as and grinding cylinder and rotating can be reduced to a certain extent
When, the soil of front soil layer shallow-layer part can be involved at position of loosening the soil into native through-hole, be conducive to promote drivage efficiency.
In the present invention, the stone roller cylinder is distributed on cutting face from driving cutterhead edge to centre by helix, tunnels knife
Disk cutting face centre, which is equipped with, grinds cylinder；The design makes push-bench in driving, and the stone roller of spiral form can be carried out to front soil layer
Pressure and cutting are conducive to promote drivage efficiency.
Description of the drawings
The present invention is described in more detail with reference to the accompanying drawings and detailed description：
Attached drawing 1 is the partial schematic diagram of the present invention；
Attached drawing 2 is the schematic diagram of the driving cutterhead of the present invention；
Attached drawing 3 is the front schematic view of the driving cutterhead of the present invention；
Attached drawing 4 is the partial schematic diagram at the mud chamber of the present invention；
In figure：1- tunnels cutterhead；2- jack；3- motors；4- augers；5- slurry processing units；6- front housings；7- rear shells；8- into
Native through-hole；9- horizontal bars；10- scrapers；11- grinds cylinder；12- rubble cutterheads；13- mud chambers；14- pyramidal projections；15- roller bearings.
Specific implementation mode
As shown in Figs 1-4, the push-bench based on earth pressure balance, the push-bench include control module, cutting mechanism, casting
Mechanism and direction adjusting mechanism；Casting mechanism front is connected with mud chamber 13 with the driving cutterhead 1 of cutting mechanism；The driving
Cutterhead 1 is rounded and by driving rotation set on multiple motors 3 of cutting mechanism, is set on the driving knife cutting face of cutting mechanism
There are multiple scrapers 10, multiple positions and multiple into native through-hole 8 of loosening the soil；The closing area in knife cutting face is more than into shared by native through-hole 8
Area；The position of loosening the soil is equipped with the stone roller cylinder 11 perpendicular to cutting face；Densely covered pyramidal projections 14, work as push pipe at 11 outer wall of stone roller cylinder
When machine tunnels, driving cutterhead, which is pressed at the soil of front, to be rotated, and the pyramidal projections 14 that 11 barrel of cylinder is ground in the position that makes to loosen the soil stir soil layer and make
It is loose, the scraper in order to tunnel cutterhead, which peels off front soil, makes push-bench advance, and the soil of peeling is passed through to be entered into native through-hole
Mud chamber；The mud intracavitary is equipped with soil crushing device and auger 4, and the soil crushing device carries out second-time breakage to soil, and auger is through two
The soil of secondary break process is discharged from mud chamber.
Be equipped at the position of loosening the soil into native through-hole 8, the stone roller cylinder of position of loosening the soil with roller bearing 15 be fixed on position of loosening the soil into native through-hole 8
Place.
The stone roller cylinder 11 is distributed on cutting face from driving cutterhead edge to centre by helix, driving knife cutting face
Centre, which is equipped with, grinds cylinder 11.
It is described into being equipped with horizontal bar 9 in native through-hole 8 to prevent big fragment from passing through.
Soil crushing device in the mud chamber 13 is the rubble cutterhead 12 for being vertical at mud intracavitary, and the rubble cutterhead 12 is used for
The ratchel in mud intracavitary soil is crushed so that mud chamber soil is convenient for discharge.
The auger 4 is placed in soil transport tube, and auger beginning is connected with mud chamber, the soil transport tube cylinder at auger beginning
Manhole is offered at wall.
The push-bench includes cylindrical front housing 6 and cylindrical rear shell 7, front housing beginning setting driving cutterhead, front housing socket
Cunning is placed at rear shell；The direction adjusting mechanism is multiple jack 2 at rear shell beginning, and the output end of jack is hinged
In front housing end week edge, control module adjusts the direction of driving cutterhead by changing the extension elongation of each jack output end.
Slurry processing unit 5 is connected at the mud chamber, the slurry processing unit includes high-pressure water pipe and suction unit；Institute
Suction unit is stated for extracting mud and water in mud chamber out；When the stone in the soil of mud intracavitary is less, the high-pressure water pipe
The conveying high-pressure water into mud chamber is so that soil pulp.
Multiple motors at the cutting mechanism are evenly distributed by vertical circular and tunnel cutterhead through planetary gear set drives
Rotation.
For push-bench in normal driving, driving cutterhead rotation makes the stone roller cylinder of cutterhead roll front soil layer by spiral track
And it is allowed to puffing, the scraper of cutterhead peels off front soil layer, and pushes to peel off the earthwork and pass through into native through-hole and enter mud chamber；By mud intracavitary
Hack cutterhead further to peel off the earthwork in stone crush after, it is by auger that the soil after crushing is defeated from mud chamber
Go out.
When tunneling process generation underground water is prominent to be gushed, the closing portion in push-bench knife cutting face can prevent underground water too fast
Mud chamber is poured in, push-bench starts the quick pumping slurries of suction unit of slurry processing unit at this time, and closes auger and close mud
Native transport tube is to prevent slurry compounding, so that push-bench remains to continue excavation operation.
Embodiment：
When push-bench tunnels, driving cutterhead rotation makes the stone roller cylinder of cutterhead roll front soil layer by spiral track and be allowed to loose
Change, the scraper of cutterhead peels off front soil layer, and pushes to peel off the earthwork and pass through into native through-hole 8 and enter mud chamber；By the hack knife of mud intracavitary
Disk further to peeling off after the stone in the earthwork crushes, from mud chamber exports the soil after crushing by auger.
When generation underground water is prominent to be gushed, due to the closing area in knife cutting face（Cutting face is in addition into native through-hole and loosening the soil
Position is outer, remaining position is sealing surface）More than into native through-hole occupied area；Therefore underground water is difficult to largely enter mud chamber, at this time
Mud in mud chamber increases, and can start the quick pumping slurries of suction unit of slurry processing unit, and close auger and close mud
For native transport tube to prevent slurry compounding, high pressure water can also be inputted into mud chamber makes the mud desaturation in mud chamber or reduction mud
Temperature makes push-bench remain to continue excavation operation to be more easy to aspirate, and when push-bench tunnels, tunnels the stone roller cylinder of cutterhead to front soil
Layer rolls, and advantageously reduces persistently gushing out for underground water.
Claims (10)
1. the push-bench based on earth pressure balance, it is characterised in that：The push-bench includes control module, cutting mechanism, dumping plough
Structure and direction adjusting mechanism；Casting mechanism front is connected with mud chamber with the driving cutterhead of cutting mechanism；The driving cutterhead
It is rounded and by driving rotation, the driving knife cutting face of cutting mechanism to be equipped with multiple set on multiple motors of cutting mechanism
Scraper, multiple positions and multiple into native through-hole of loosening the soil；The closing area in knife cutting face is more than into native through-hole occupied area；The pine
Native position is equipped with the stone roller cylinder perpendicular to cutting face；Pyramidal projections of gathering at the stone roller drum outer wall tunnel cutterhead when push-bench tunnels
It is pressed at the soil of front and rotates, the pyramidal projections agitation soil layer that cylinder barrel is ground in the position that makes to loosen the soil is allowed to loose, in order to tunnel cutterhead
Scraper peel off front soil push-bench made to advance, the soil of peeling, which is passed through into native through-hole, enters mud chamber；The mud intracavitary is equipped with broken
Native device and auger, the soil crushing device carry out second-time breakage to soil, and auger is the soil handled through second-time breakage from mud chamber
Place's discharge.
2. the push-bench according to claim 1 based on earth pressure balance, it is characterised in that：It is equipped with into soil at the position of loosening the soil
Through-hole, the stone roller cylinder of position of loosening the soil be fixed on roller bearing position of loosening the soil into native through hole.
3. the push-bench according to claim 2 based on earth pressure balance, it is characterised in that：The stone roller cylinder on cutting face from
It tunnels cutterhead edge to be distributed by helix to centre, driving knife cutting face centre, which is equipped with, grinds cylinder.
4. the push-bench according to claim 3 based on earth pressure balance, it is characterised in that：It is described into being equipped with cross in native through-hole
Column is to prevent big fragment from passing through.
5. the push-bench according to claim 4 based on earth pressure balance, it is characterised in that：The soil crushing device of the mud intracavitary
To be vertical at the rubble cutterhead of mud intracavitary, the rubble cutterhead is used to crush the ratchel in mud intracavitary soil so that mud chamber mud
Soil is convenient for discharge.
6. the push-bench according to claim 5 based on earth pressure balance, it is characterised in that：The auger is placed in soil conveying
In cylinder, auger beginning is connected with mud chamber, and manhole is offered at the soil transport tube barrel at auger beginning.
7. the push-bench according to claim 6 based on earth pressure balance, it is characterised in that：The push-bench includes cylindrical
Front housing and cylindrical rear shell, front housing beginning setting driving cutterhead, front housing socket cunning are placed at rear shell；The direction adjusting mechanism is
The output end of multiple jack at rear shell beginning, jack is articulated with front housing end week edge, and control module passes through change
The extension elongation of each jack output end tunnels the direction of cutterhead to adjust.
8. the push-bench according to claim 7 based on earth pressure balance, it is characterised in that：It is connected at muddy water at the mud chamber
Device is managed, the slurry processing unit includes high-pressure water pipe and suction unit；The suction unit is used to extract the mud in mud chamber out
Slurry and water；When the stone in the soil of mud intracavitary is less, the high-pressure water pipe into mud chamber conveying high-pressure water so that soil starch
Change.
9. the push-bench according to claim 1 based on earth pressure balance, it is characterised in that：It is multiple at the cutting mechanism
Motor is evenly distributed by vertical circular and through planetary gear set drives driving cutterhead rotation.
10. the push-bench working method based on earth pressure balance, it is characterised in that：Push-bench according to any one of claims 8 is normally being dug
Into when, driving cutterhead rotation makes the stone roller cylinder of cutterhead roll front soil layer by spiral track and is allowed to puffing, the scraper of cutterhead
Front soil layer is peeled off, and pushes to peel off the earthwork and pass through into native through-hole and enters mud chamber；By the hack cutterhead of mud intracavitary further to peeling off
After stone in cubic metre of earth crushes, the soil after crushing is exported from mud chamber by auger；
When tunneling process generation underground water is prominent to be gushed, the closing portion in push-bench knife cutting face can prevent underground water is too fast to pour in
Mud chamber, push-bench starts the quick pumping slurries of suction unit of slurry processing unit at this time, and closes auger and to close soil defeated
Send cylinder to prevent slurry compounding, so that push-bench remains to continue excavation operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810674581.5A CN108625871A (en) | 2018-06-27 | 2018-06-27 | Push-bench based on earth pressure balance and its working method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810674581.5A CN108625871A (en) | 2018-06-27 | 2018-06-27 | Push-bench based on earth pressure balance and its working method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108625871A true CN108625871A (en) | 2018-10-09 |
Family
ID=63688462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810674581.5A Pending CN108625871A (en) | 2018-06-27 | 2018-06-27 | Push-bench based on earth pressure balance and its working method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108625871A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109372532A (en) * | 2018-12-25 | 2019-02-22 | 中建四局第六建筑工程有限公司 | Jacking construction engineering method under multiplexed address environment |
| CN110593888A (en) * | 2019-10-25 | 2019-12-20 | 中铁工程装备集团有限公司 | Heading machine with high-pressure water jet-mechanical coupling integrated disc-shaped hob |
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| CN110593888B (en) * | 2019-10-25 | 2021-11-19 | 中铁工程装备集团有限公司 | Heading machine with high-pressure water jet-mechanical coupling integrated disc-shaped hob |
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