CN107218063A - Subway tunnel concrete spraying equipment and process - Google Patents
Subway tunnel concrete spraying equipment and process Download PDFInfo
- Publication number
- CN107218063A CN107218063A CN201710638418.9A CN201710638418A CN107218063A CN 107218063 A CN107218063 A CN 107218063A CN 201710638418 A CN201710638418 A CN 201710638418A CN 107218063 A CN107218063 A CN 107218063A
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- Prior art keywords
- concrete
- module
- stirring
- subway tunnel
- wet shot
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- 239000004567 concrete Substances 0.000 title claims abstract description 150
- 238000000034 method Methods 0.000 title claims abstract description 54
- 238000005507 spraying Methods 0.000 title claims abstract description 54
- 230000008569 process Effects 0.000 title claims abstract description 40
- 238000003756 stirring Methods 0.000 claims abstract description 108
- 239000000463 material Substances 0.000 claims abstract description 82
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 238000002156 mixing Methods 0.000 claims abstract description 29
- 239000007921 spray Substances 0.000 claims abstract description 28
- 239000002699 waste material Substances 0.000 claims description 16
- 239000002351 wastewater Substances 0.000 claims description 15
- 238000011084 recovery Methods 0.000 claims description 14
- 230000002572 peristaltic effect Effects 0.000 claims description 11
- 239000002689 soil Substances 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 239000000428 dust Substances 0.000 abstract description 8
- 230000009467 reduction Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 11
- 239000004568 cement Substances 0.000 description 8
- 239000004576 sand Substances 0.000 description 7
- 239000004575 stone Substances 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 208000028571 Occupational disease Diseases 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000011538 cleaning material Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011378 shotcrete Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 230000007723 transport mechanism Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The present invention relates to a kind of subway tunnel concrete spraying equipment and process, wherein, spraying equipment includes stirring module (6), wet shot module (5) and control unit, stir module (6) and wet shot module (5) is integrally disposed, stirring module (6) is used to the mixed material added according to default proportioning is stirred to form concrete with water, wet shot module (5) includes concrete delivery pipe (3), the end of concrete delivery pipe (3) is provided with shower nozzle, wet shot module (5) is used to the concrete after stirring being transported to shower nozzle (2) place by concrete delivery pipe (3), with to being carried out wet shot by the spray scope of operation (1).Such a equipment takes up space smaller, is adaptable to narrow space in subway tunnel；Moreover, mixed material first can form concrete with water according to default proportioning stirring, then wet shot is carried out, concrete proportioning control can be made more accurate, and improve mixing uniformity, reduction concrete springback rate, dust concentration and labor strength.
Description
Technical field
The present invention relates to constructing metro tunnel field of mechanical technique, more particularly to a kind of subway tunnel concrete spraying equipment
And process.
Background technology
With the rapid expanding of urban population, traffic pressure is increasingly serious, build subway turn into solve the contradiction it is effective
Means, are building the big and medium-sized cities of subway more than 40 at present.Subway tunnel is built in construction, and gunite concrete operation is supporting
An important step, decides construction quality and engineering safety in process.
In current subway work to use moist spurting craft, main cause is that subway tunnel working space is narrow and small, mountain tunnel more
It is restricted with the wet spraying equipment of maturation application in vcehicular tunnel and the application of technique.The technological principle of half wet shotcreting technology
It is：Cement, stone, sand and accelerator are stirred on ground in proportion, working face is delivered to, added after spraying machine with pressure
Material is blown at shower nozzle by contracting air by flexible pipe, is added water at nozzle, forms material beam, high-speed pushing is on by spray working face.
But, moist spurting craft construction can cause dust concentration in hole big, be the principal element for causing occupational disease, right in country
Under the background that construction environment protection, personal security and health requirements are constantly strengthened, moist spurting craft can not meet the need of environmental protection
Ask.
In addition, find that damp spray technique also has the disadvantages that in practice of construction：Concrete springback rate is high, operator
Member's manual regulating water flow ball valve at shower nozzle causes the ratio of mud not control accurately, and construction quality and efficiency of construction are relatively low.
Thus for the problems of existing concrete ejection technique, it is necessary to reference to the actual conditions of subway tunnel, study a set of suitable
Concrete spraying equipment and technique for constructing metro tunnel.
The content of the invention
The purpose of the present invention is to propose to a kind of subway tunnel concrete spraying equipment and process, subway tunnel can be reduced
The dust concentration of job site in road.
To achieve the above object, first aspect present invention provides a kind of subway tunnel concrete spraying equipment, including stirs
Module, wet shot module and control unit are mixed, stirring module and wet shot module are integrally disposed on same vehicle chassis, stir mould
Block is used to the mixed material added according to default proportioning is stirred to form concrete with water, and it is defeated that wet shot module includes concrete
Pipe is sent, the end of concrete delivery pipe is provided with shower nozzle, and wet shot module is used to the concrete after stirring passing through concrete delivery pipe
It is transported at shower nozzle, with to being carried out wet shot by the spray scope of operation.
Further, spraying equipment also includes feeding module, the mixed material for receiving outside offer, and by mixture
Material is added into stirring module, and feeding module, stirring module and wet shot module are wholely set.
Further, feeding module includes the first hopper and the track being obliquely installed, and track is used for the first bunker lift
To the surface for stirring module, control unit can control the first hopper to receive mixed material in rail base, and along
Mixed material is discharged into stirring module during track motion to top of the rail.
Further, graduated scale is provided with the first hopper, for passing through the metered mixed material of Plethysmometry.
Further, spraying equipment also includes at least two electric transporting vehicles, for will be alternately delivered to from ground
Mixed material in subway tunnel is transported into feeding module.
Further, stirring module includes forced action type single horizontal shaft mixer.
Further, wet shot module includes the second hopper, and the second hopper is located at the obliquely downward of stirring module, logical for receiving
The concrete crossed after stirring module stirring.
Further, wet shot module include accelerator supply part, accelerator supply part include peristaltic pump, on-off valve and
Accelerator delivery pipe, one end of accelerator delivery pipe is connected with shower nozzle, and control unit can be opened when concrete is reached at shower nozzle
Dynamic peristaltic pump, is mixed so that accelerator is reached by accelerator delivery pipe at shower nozzle with concrete.
Further, spraying equipment also includes waste disposal module, and waste disposal module includes servicing unit, wet shot module
Including pump, for concrete pump to be delivered in concrete delivery pipe, control unit can after the wet shot end of job reverse starting
Pump controls servicing unit to provide compressed gas and water to draw back the concrete in concrete delivery pipe, with to concrete conveyance
The inwall of pipe is cleaned.
Further, spraying equipment also includes being located at the operation frame by front of the spray scope of operation, and shower nozzle is fixed on operation machine
On frame, for performing spraying operation by operation frame.
To achieve the above object, second aspect of the present invention provides a kind of subway tunnel concrete ejection process, base
In the subway tunnel concrete spraying equipment of above-described embodiment, including：
Control unit control stirring module is stirred to form coagulation to the mixed material added according to default proportioning with water
Soil；
Concrete after stirring is transported at shower nozzle by control unit control wet shot module by concrete delivery pipe, with right
Wet shot is carried out by the spray scope of operation.
Further, the mixed material added according to default proportioning is stirred to form concrete with water in stirring module
Before, the process also includes feeding step, and feeding step is specifically included：
Mixed material is weighed by Plethysmometry using graduated scale in the first hopper；
Control unit is controlled directly over the first hopper orbital motion to stirring module；
Control unit opens the drain hole of the first hopper lower end, so that mixed material is fallen into stirring module.
Further, the mixed material added according to default proportioning is stirred to form concrete with water in stirring module
Before, the process also includes：
The mixed material of humidity is formed using concrete mixing plant mixing.
Further, the process also includes：
The mixed material that mixing is formed into humidity is delivered in subway tunnel by pipeline through vertical shaft.
Further, the process also includes：
Alternately the mixed material being delivered in subway tunnel is transported to feeding mould using at least two electric transporting vehicles
In block.
Further, the mixed material added according to default proportioning is stirred to form concrete with water in stirring module
Afterwards, the process also includes：
Control unit control stirring module upset, the concrete after stirring is poured into the second hopper of wet shot module.
Further, the concrete after stirring is transported to by concrete delivery pipe in wet shot module same at shower nozzle
When, the process also includes：
Control unit starts peristaltic pump, is mixed so that accelerator is reached by accelerator delivery pipe at shower nozzle with concrete.
Further, the method that wet shot is carried out by the spray scope of operation is included：It is artificial to embrace spray or using operation support injection.
Further, after wet shot operation is completed, the process also includes：
Control unit reverse starting pump is to draw back the concrete in concrete delivery pipe；
Control unit makes servicing unit offer compressed gas and water be cleaned with the inwall to concrete delivery pipe；
Waste water is discharged into stirring module, and starts stirring module, to be cleaned to the inside for stirring module；
Upset stirring module pours into waste water in wet shot module, to be cleaned to the second hopper；
The drain hole of the second feed hopper bottom is opened, is accessed and is poured into after waste water and waste material in the second recovery vehicle by the first recovery vehicle
Precipitated.
Based on above-mentioned technical proposal, the subway tunnel concrete spraying equipment of the embodiment of the present invention will stir module and wet
Jet mould block is integrally disposed on same vehicle chassis, reducing the overall space that equipment is occupied, and can adapt in subway tunnel
More narrow space；Moreover, mixed material can be stirred according to default proportioning in stirring module in advance with water forms coagulation
Soil, may be such that concrete proportioning control is more accurate, and improve mixing uniformity, reduce concrete springback rate；In addition, passing through wet shot
Module by the spray scope of operation to being carried out wet shot, it is possible to decrease the dust concentration of job site, and reduces the labor intensity of workman.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the structural representation of one embodiment of subway tunnel concrete spraying equipment of the present invention；
Fig. 2 is the flow chart of one embodiment of subway tunnel concrete ejection process of the present invention.
Description of reference numerals
1st, by the spray scope of operation；2nd, shower nozzle；3rd, concrete delivery pipe；4th, accelerator delivery pipe；5th, wet shot module；6th, mould is stirred
Block；7th, the first hopper；8th, track；9th, electric transporting vehicle；10th, peristaltic pump；11st, vehicle chassis；12nd, the first recovery vehicle；13rd, compress
Air shooter；14th, the second recovery vehicle；15th, the second hopper.
Embodiment
The present invention described further below.In the following paragraphs, the different aspect of embodiment is defined in more detail.So
The each side of restriction can be combined with any other one side or many aspects, not can be combined unless explicitly stated otherwise.Especially,
Be considered as preferred or favourable any feature can it is one or more with other be considered as preferred or favourable feature group
Close.
The description merely for convenience such as " first ", " second " that occurs in present invention term, has same names to distinguish
Different building blocks, be not offered as successively or primary-slave relation.
In the description of the invention, it is to be understood that term " interior ", " outer ", " on ", " under ", " left side " and " right side " etc. refer to
The orientation or position relationship shown is based on orientation shown in the drawings or position relationship." longitudinal direction " refers to the length direction of vehicle, " horizontal
To " refer to the width of vehicle.These terms are for only for ease of the description present invention, rather than indicate or imply signified dress
Specific orientation must be had, with specific azimuth configuration and operation by putting, therefore it is not intended that to the scope of the present invention
Limitation.
As shown in figure 1, the invention provides a kind of subway tunnel concrete spraying equipment (follow-up abbreviation spraying equipment),
In one schematical embodiment, spraying equipment includes stirring module 6, wet shot module 5 and control unit, stirs module 6 and wet
Jet mould block 5 is integrally disposed on same vehicle chassis 11.Wherein, stirring module 6 is used for being mixed according to default proportioning addition
Compound material and water are stirred to form concrete, and mixed material is pre-configured moist mixed material, or tide material, will
Tide material is added after stirring module 6, is added water and is stirred, water can be gradually added into during stirring.Wet shot module 5
Including concrete delivery pipe 3, the end of concrete delivery pipe 3 is provided with shower nozzle 2, and wet shot module 5 is used for mixed after stirring
Solidifying soil is transported at shower nozzle 2 by concrete delivery pipe 3 forms high binder beam, with to being carried out in front of equipment by the spray scope of operation 1
Wet shot.
The spraying equipment of the illustrative examples of the invention at least possesses one of following advantage：
(1) module 6 will be stirred and wet shot module 5 is integrally disposed on same vehicle chassis 11, equipment can be reduced
Overall volume, to be adapted in subway tunnel more narrow space.
(2) operation is carried out by the way of wet shot, it is possible to decrease the dust concentration of job site, to ensure that operator's is strong
Health；Nor operator's manual regulating water flow at shower nozzle is needed, labor intensity can be reduced, operating efficiency is improved.
(3) mixed material can stir in stirring module and form concrete in advance with water, may be such that mixture in concrete
The burden control of material and water is more accurate, it is to avoid dynamic control proportioning, and can be by being in advance sufficiently stirred for improving concrete
Uniformity, reduces concrete springback rate, and improve coating quality of the concrete on by the spray scope of operation 1.
Further, spraying equipment of the invention also includes feeding module, and feeding module is used to receive the mixed of outside offer
Compound material, and mixed material is added into stirring module 6, control unit can control feeding module and be automatically performed feeding action,
To improve the automaticity of feeding.
Feeding module, stirring module 6 and wet shot module 5 are integrally disposed on same vehicle chassis 11.The present invention's
Spraying equipment is the all-in-one for being integrated with feeding, stirring and wet shot function, can make compact equipment, takes tunnel space
It is small, working space narrow and small in subway tunnel can be flexibly adapted to；And the equipment uses common bed, conveniently moving is adapted to
Shared in many scope of operations, reduce the restriction that equipment is subject in application, operating efficiency can be improved, construction cost is reduced；In addition also
Dust can be reduced to escape between modules, the dust pollution in reduction tunnel.
As shown in figure 1, feeding module is located at the rear of stirring module 6 along longitudinal direction of car, wet shot module 5 is vertical along vehicle
To the front for being located at stirring module 6.The modules in equipment are described in detail respectively below.
Feeding module includes the first hopper 7 and the track 8 being obliquely installed, and track 8 is used to the first hopper 7 being promoted to stirring
The surface of module 6, control unit receives mixed material when the first hopper 7 can be controlled to move in 8 bottom of track, and
Mixed material is discharged into stirring module 6 when moving to 8 top of track along track 8, shown in Fig. 1 at the first hopper 7
View in the top and bottom of track 8.The bottom of first hopper 7 is provided with drain hole, when the first hopper 7 moves to track
During 8 top, control unit opens drain hole, mixed material is discharged into stirring module 6, certain first hopper 7 also may be used
With the discharging by the way of toppling over.
In a kind of way of realization, the first hopper 7 itself can be moved along track 8 under the control of control unit.Another
Plant in way of realization, track 8 is using movable transport mechanisms such as belts, to drive the first hopper 7 to move.
Preferably, graduated scale is provided with the first hopper 7, for passing through the metered mixed material of Plethysmometry.
In the case where proportioning is certain, there is simple, reliable and accurate measurement using volumetric method metering.Receiving mixed material
Before, first calculated and concrete amount according to proportioning, the mixed material of specified quantitative is poured into the first hopper 7.Then start
The switch of feeding module, charged first hopper 7 is promoted to the surface of stirring module 6, the lower end of the first hopper 7 along track 8
Drain hole automatically turn on, the drain hole of the first hopper 7 is engaged with the material receiving port of stirring module 6, and mixed material can be unloaded automatically
Enter to stir in module 6.
In order to provide mixed material to feeding module, spraying equipment of the invention also includes at least two electric transporting vehicles 9,
Such as electro-tricycle, electric transporting vehicle 9 works in subway tunnel, for will alternately be delivered to subway tunnel from ground
Interior mixed material is transported into feeding module.Mixed material, emission-free discharge are conveyed using electric transporting vehicle 9, it is possible to decrease dirty
Dye.
Before mixed material is conveyed by electric transporting vehicle 9, in addition to mixed tide material mixing and from ground to tunnel
The process of interior conveying mixed tide material.Wherein, mixed tide material mixing is to utilize ground mixing plant, and water-filling is entered according to the proportioning of design
Mud, stone, the metering and stirring of sand and water.When starting wet shot operation, mixing plant mixing good mixed material in ground passes through
Pipeline is delivered in tunnel through vertical shaft.According to the length of transportation range, it is more than 1m by 2~3 delivered payload capabilities3Electric transporting vehicle 9
Alternating accesses mixed material, and is transported to after splicing feeding module position, and mixed material directly is poured into the first material
In bucket 7.The material-uploading style of the present invention is with that taking pocket apart to compared with by way of stirrer, can reduce human input, keep away
Exempt from substantial amounts of pocket to be deposited in tunnel in advance, normal excavate and operation of slagging tap is not influenceed.
Module 6 is stirred preferably by forced action type single horizontal shaft mixer, forced concrete mixer mixes the rotating shaft in cylinder
Stirring vane is housed on arm support, the material mixed in cylinder is added, under the strong agitation of stirring vane, the logistics intersected is formed.This
Kind of agitating mode is strong more than agitating mode effect is fallen certainly, stirring evenly, it is more efficient.Alternately, stirring module 6 also may be used
Using gravity type single horizontal shaft mixer.
Proportioning can be set in control unit in advance, amount of water, the automatic accurate control of mixing time is realized.According to setting
Time, whipping procedure automatically turns on, and stirring module 6 starts to stir mixed material, while according to the time of setting, program according to
Proportioning automatic start addition water, the water reducer pre-set in control unit, water can be continuously added during stirring,
Uniform concrete is formed to stir.Completed according to the time of setting after stirring, control unit automatically controls mixer upset, will
Concrete pours into wet shot module 5 to carry out follow-up wet shot operation.
As shown in figure 1, wet shot module 5 includes the second hopper 15, the second hopper 15 is located at the obliquely downward of stirring module 6, uses
In reception by stirring the concrete after the stirring of module 6.After concrete, which is stirred, to be completed, control unit automatically controls mixer
Upset, concrete is poured into the second hopper 15, and carries out by pumping wet spraying machine follow-up wet shot operation.In wet shot module 5
Provided with pump, for concrete pump to be delivered in concrete delivery pipe 3, wanted with meeting by the spray scope of operation 1 and the distance of spraying equipment
Ask.
Further, wet shot module 5 also includes accelerator supply part, and accelerator supply part includes peristaltic pump 10, led to
Disconnected valve and accelerator delivery pipe 4, peristaltic pump 10 are located at the rear portion of vehicle chassis 11, and on-off valve can use pressure-air magnetic valve,
One end of accelerator delivery pipe 4 is connected with shower nozzle 2.Automatic start flexible pipe when control unit can be at concrete arrival shower nozzle 2
Pump 10, while opening on-off valve, is mixed, so as to enter so that accelerator is reached by accelerator delivery pipe 4 at shower nozzle 2 with concrete
Row wet shot operation.
Accelerator typically is mixed into advance before concrete ejection in the scheme of prior art, in the whipping process and wet of adding water
Spray during conveying, concrete has hardened to form intensity, easily causes plugging.And the spraying equipment of the present invention is in shower nozzle 2
Place is mixed accelerator with concrete, can prevent concrete from hardening, it is ensured that the mobility of concrete, more to flow
Freely it is injected in by the spray scope of operation 1.Peristaltic pump has good suction capacity, can preferably produce vacuum and come imbibition, conveying
Discharge capacity without vapour lock, every turn of realization is fixed and unrelated with outlet pressure, and accelerator can be measured exactly.
, on the one hand can be by the way of artificial armful of spray in wet shot operation, manipulator has shower nozzle 2 in arms, stands by spray operation
Spraying operation is carried out before face 1.On the other hand also operation frame can be set by the front of the spray scope of operation 1, shower nozzle 2 is fixed on operation machine
On frame, for making operator by operating the handle of the operation frame to carry out spraying operation, the labor of manipulator can be so reduced
Fatigue resistance, improves operating efficiency.
The spraying equipment of the present invention can be automatically performed feeding under the control of control unit, add water, add water reducer, stir
Mix, batch turning to the second hopper, using pumping wet spraying machine by concrete delivery pipe 3 by concrete conveyance to by spray the scope of operation 1
Carry out a series of actions such as spray operation.Such a spraying equipment uses the process that automatic charging can save artificial unpacking discharging,
Substantially reduced for large area wet shot operation labor intensity；First hopper 7 and stirring module 6 are complete by the time interval of program setting
Into the preparation and supply of concrete, it is ensured that not fracture in wet-spraying machine hopper, so as to realize continuous quickly wet shot operation, it is to avoid
The discontinuous phenomenon of injection brought using artificial unpacking discharging, can improve the wet shot quality and efficiency of construction by the spray scope of operation.
After wet shot operation is completed, in addition it is also necessary to spraying equipment and pipeline are cleaned, waste material and waste water are handled,
To reach the purpose of environmental protection, therefore, the present invention have also been devised the cleaning supporting with spraying equipment and retracting device, to reduce waste material
With the discharge of waste water, reduce pollution.It is described below.
The equipment of the present invention also includes waste disposal module, and waste disposal module includes servicing unit, and servicing unit is used for
Compressed air and water are provided, control unit controlling pump can rotate backward to draw back concrete delivery pipe after the wet shot end of job
Residual concrete in 3, then controls servicing unit to provide compressed gas and water clear to be carried out to the inwall of concrete delivery pipe 3
Wash.Waste water after cleaning is directly discharged into stirring module 6, and stirring module 6 starts stirring, realizes automatic cleaning, then overturn stirring
Module 6 is poured into waste water is cleaned in the second hopper 15 of wet-spraying machine, and has been cleaned after the second hopper 15, opens the bottom of the second hopper 15
The drain hole at end discharges waste water and waste material.
Further, waste disposal module also includes the first recovery vehicle 12 and the second recovery vehicle 14, and the first recovery vehicle 12 is used
In accessing waste water and waste material under the second hopper 15, and pour into the second recovery vehicle 14 and deposit, after precipitation, above clear liquid use
In construction next time, precipitation waste residue is used for inverted arch or other constructions, and the amount of storage of the second recovery vehicle 14 is more than the first recovery vehicle 12.
In addition, present invention also offers a kind of subway tunnel concrete ejection process, the ground based on above-described embodiment
Iron tunnel concrete spraying equipment, schematic flow sheet as shown in Figure 2, including：
Concrete preparation process：Mixed material and water that 6 pairs of control unit control stirring module is added according to default proportioning
It is stirred to form concrete；
Wet shot job step：Control unit control wet shot module 5 transports the concrete after stirring by concrete delivery pipe 3
Deliver at shower nozzle 2, with to being carried out wet shot by the spray scope of operation 1.
Specifically, in wet shot job step, the method that wet shot is carried out by the spray scope of operation is included：It is artificial to embrace spray or use
Operate support injection.
The wet spraying process method of the present invention can stir mixed material and water in module according to default proportioning in advance
Stirring forms concrete, may be such that concrete proportioning control is more accurate, and improves mixing uniformity, reduces concrete springback rate；
In addition, wet shot can also reduce the dust concentration of job site, and reduce the labor intensity of workman.
Further, before concrete preparation process, process of the invention also includes feeding step, feeding step
Specifically include：
Mixed material is weighed by Plethysmometry using graduated scale in the first hopper 7；
Then control unit controls the first hopper 7 to be moved to along track 8 directly over stirring module 6；
Then control unit opens the drain hole of the lower end of the first hopper 7, so that mixed material is fallen into stirring module 6.
Automatic charging is realized by control unit in the process, can continuously be provided in concrete forming process
Mixed material, improves the efficiency of feeding, and reduces human input.
Before feeding step, process of the invention also includes mixed material mixing step, specifically includes：Using mixed
Solidifying soil mixing station mixing forms the mixed material of humidity, can be carried out in mixing according to the proportioning of design cement, stone, sand and
The metering and stirring of water.
In a specific embodiment, when carrying out mixed material mixing, the material of selection includes cement, stone, sand
Son and water.Wherein, cement is common 425 cement, and 5~10mm of cobble-stone diameter, sand particle diameter is less than 5mm building sand, and water is
Unpolluted running water；According to stone addition is cement weight, 100%~180%, sand addition is cement weight
150%~220%, water addition be cement weight 5%~10% proportion relation, mixed using concrete mixing plant
Close the mixing of tide material.
Further, after mixed material mixing step, process of the invention also includes：Mixing is formed into humidity
Mixed material be delivered to by pipeline through vertical shaft in subway tunnel.
Further, after mixed material mixing step is delivered in subway tunnel, process of the invention is also
Including：Alternately the mixed material being delivered in subway tunnel is transported to feeding module using at least two electric transporting vehicles 9
In.
After concrete preparation process, process of the invention also includes：Control unit control stirring module 6 is turned over
Turn, the concrete after stirring is poured into the second hopper 15 of wet shot module 5 automatically.
While the concrete after stirring is transported at shower nozzle 2 by wet shot module 5 by concrete delivery pipe 3, this hair
Bright process also includes：Control unit starts peristaltic pump 10, so that accelerator reaches shower nozzle 2 by accelerator delivery pipe 4
Place is mixed with concrete.
Further, after wet shot job step is completed, process of the invention also includes equipment cleaning and waste material
Process step, is specifically included：
Control unit reverse starting pump is to draw back the concrete in concrete delivery pipe 3；
Control unit makes servicing unit offer compressed gas and water be cleaned with the inwall to concrete delivery pipe 3；
Waste water is discharged into stirring module 6, and starts stirring module 6, to be cleaned to the inside for stirring module 6；
Upset stirring module 6 pours into waste water in wet shot module 5, to be cleaned to the second hopper 15；
The drain hole of the bottom of the second hopper 15 is opened, is accessed by the first recovery vehicle 12 and the second recovery is poured into after waste water and waste material
Precipitated in car 14.
Specific execution method and advantageous effects due to the present invention in spraying equipment part to each operation are carried out
Detailed description, therefore only make simple elaboration in process part, related content refers to retouching in spraying equipment part
State.
Detailed Jie has been carried out to a kind of subway tunnel concrete spraying equipment provided by the present invention and process above
Continue.Specific embodiment used herein is set forth to the principle and embodiment of the present invention, and above example is said
The bright method and its core concept for being only intended to help to understand the present invention.It should be pointed out that for the ordinary skill of the art
For personnel, under the premise without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention, these improvement
Also fallen into modification in the protection domain of the claims in the present invention.
Claims (19)
1. a kind of subway tunnel concrete spraying equipment, it is characterised in that including stirring module (6), wet shot module (5) and control
Part, the stirring module (6) and wet shot module (5) are integrally disposed on same vehicle chassis (11), the stirring module
(6) it is used to the mixed material added according to default proportioning is stirred to form concrete with water, the wet shot module (5) includes
Concrete delivery pipe (3), the end of the concrete delivery pipe (3) is provided with shower nozzle (2), and the wet shot module (5) is used to stir
Concrete after mixing is transported to the shower nozzle (2) place by the concrete delivery pipe (3), with to being carried out by the spray scope of operation (1)
Wet shot.
2. subway tunnel concrete spraying equipment according to claim 1, it is characterised in that also including feeding module, is used
In receiving the outside mixed material provided, and mixed material is added into the stirring module (6), the feeding module, stirred
Mix module (6) and wet shot module (5) is integrally disposed on the same vehicle chassis (11).
3. subway tunnel concrete spraying equipment according to claim 2, it is characterised in that the feeding module includes the
One hopper (7) and the track (8) being obliquely installed, the track (8) are used to first hopper (7) being promoted to the stirring mould
The surface of block (6), the control unit can control first hopper (7) to receive mixing at the track (8) bottom
Material, and mixed material is discharged into the stirring module when being moved to along the track (8) at the top of the track (8)
(6) in.
4. subway tunnel concrete spraying equipment according to claim 3, it is characterised in that in first hopper (7)
Provided with graduated scale, for passing through the metered mixed material of Plethysmometry.
5. subway tunnel concrete spraying equipment according to claim 2, it is characterised in that also electronic including at least two
Transport vehicle (9), for alternately transporting the mixed material being delivered to from ground in subway tunnel into the feeding module.
6. subway tunnel concrete spraying equipment according to claim 1, it is characterised in that stirring module (6) bag
Include forced action type single horizontal shaft mixer.
7. subway tunnel concrete spraying equipment according to claim 1, it is characterised in that wet shot module (5) bag
The second hopper (15) is included, second hopper (15) is located at the obliquely downward of the stirring module (6), is stirred for receiving by described
Mix the concrete after module (6) stirring.
8. subway tunnel concrete spraying equipment according to claim 1, it is characterised in that wet shot module (5) bag
Accelerator supply part is included, the accelerator supply part includes peristaltic pump (10), on-off valve and accelerator delivery pipe (4), institute
The one end for stating accelerator delivery pipe (4) is connected with the shower nozzle (2), and the control unit can reach the shower nozzle in concrete
(2) peristaltic pump (10) is started during place, so that accelerator reaches shower nozzle (2) place with mixing by the accelerator delivery pipe (4)
Solidifying soil mixing.
9. subway tunnel concrete spraying equipment according to claim 1, it is characterised in that also including waste disposal mould
Block, the waste disposal module includes servicing unit, and the wet shot module (5) includes pump, described for concrete pump to be delivered to
In concrete delivery pipe (3), the control unit can after the wet shot end of job pump described in reverse starting it is described mixed to draw back
Concrete in solidifying soil delivery pipe (3), and control the servicing unit to provide compressed gas and water, with to the concrete conveyance
The inwall of pipe (3) is cleaned.
10. subway tunnel concrete spraying equipment according to claim 1, it is characterised in that also including be located at it is described by
The operation frame in front of the scope of operation (1) is sprayed, the shower nozzle (2) is fixed in the operation frame, for by operating the behaviour
Make frame and perform spraying operation.
11. a kind of subway tunnel concrete ejection process, it is characterised in that any described based on claim 1~10
Subway tunnel concrete spraying equipment, including：
The control unit control stirring module (6) is stirred shape to the mixed material added according to default proportioning with water
Into concrete；
The control unit controls the wet shot module (5) to transport the concrete after stirring by the concrete delivery pipe (3)
The shower nozzle (2) place is delivered to, to be carried out wet shot by the spray scope of operation (1) to described.
12. subway tunnel concrete ejection process according to claim 11, it is characterised in that in the stirring mould
Block (6) is stirred before forming concrete to the mixed material added according to default proportioning with water, in addition to feeding step, on
Material step is specifically included：
Mixed material is weighed by Plethysmometry using graduated scale in the first hopper (7)；
The control unit controls first hopper (7) to be moved to along track (8) directly over stirring module (6)；
The control unit opens the drain hole of the first hopper (7) lower end, so that mixed material falls into the stirring mould
In block (6).
13. the subway tunnel concrete ejection process according to claim 11 or 12, it is characterised in that stirred described
Module (6) is mixed to be stirred before forming concrete the mixed material added according to default proportioning with water, in addition to：
The mixed material of humidity is formed using concrete mixing plant mixing.
14. subway tunnel concrete ejection process according to claim 13, it is characterised in that also include：
The mixed material that mixing is formed into humidity is delivered in subway tunnel by pipeline through vertical shaft.
15. subway tunnel concrete ejection process according to claim 14, it is characterised in that also include：
Alternately the mixed material being delivered in subway tunnel is transported to feeding module using at least two electric transporting vehicles (9)
In.
16. subway tunnel concrete ejection process according to claim 11, it is characterised in that in the stirring mould
Block (6) is stirred to be formed after concrete to the mixed material added according to default proportioning with water, in addition to：
Control unit control stirring module (6) upset, the wet shot module (5) is poured into by the concrete after stirring
The second hopper (15) in.
17. subway tunnel concrete ejection process according to claim 11, it is characterised in that in the wet shot mould
While concrete after stirring is transported to the shower nozzle (2) place by block (5) by the concrete delivery pipe (3), in addition to：
The control unit starts peristaltic pump (10), so that accelerator reaches shower nozzle (2) place by accelerator delivery pipe (4)
Mixed with concrete.
18. subway tunnel concrete ejection process according to claim 11, it is characterised in that to by the spray scope of operation
Carrying out the method for wet shot includes：It is artificial to embrace spray or using operation support injection.
19. subway tunnel concrete ejection process according to claim 11, it is characterised in that make completing wet shot
After industry, in addition to：
The control unit reverse starting pump is to draw back the concrete in the concrete delivery pipe (3)；
It is clear to be carried out to the inwall of the concrete delivery pipe (3) that the control unit makes servicing unit provide compressed gas and water
Wash；
Waste water is discharged into the stirring module (6), and starts the stirring module (6), with to the interior of the stirring module (6)
Portion is cleaned；
The upset stirring module (6) pours into waste water in the wet shot module (5), to be cleaned to the second hopper (15)；
Open the drain hole of the second hopper (15) bottom, by the first recovery vehicle (12) access waste water and waste material after pour into second
Precipitated in recovery vehicle (14).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710638418.9A CN107218063B (en) | 2017-07-31 | 2017-07-31 | Subway tunnel concrete spraying equipment and technological method |
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|---|---|---|---|
| CN201710638418.9A CN107218063B (en) | 2017-07-31 | 2017-07-31 | Subway tunnel concrete spraying equipment and technological method |
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| Publication number | Publication date |
|---|---|
| CN107218063B (en) | 2024-03-01 |
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