CN109306694A - A kind of high pressure spray jetting cement mortar foundation stabilization equipment - Google Patents
A kind of high pressure spray jetting cement mortar foundation stabilization equipment Download PDFInfo
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- CN109306694A CN109306694A CN201710622034.8A CN201710622034A CN109306694A CN 109306694 A CN109306694 A CN 109306694A CN 201710622034 A CN201710622034 A CN 201710622034A CN 109306694 A CN109306694 A CN 109306694A
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- pressure slurry
- cement mortar
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- 239000007921 spray Substances 0.000 title claims abstract description 48
- 239000011083 cement mortar Substances 0.000 title claims abstract description 36
- 230000006641 stabilisation Effects 0.000 title claims abstract description 25
- 238000011105 stabilization Methods 0.000 title claims abstract description 25
- 239000002002 slurry Substances 0.000 claims abstract description 106
- 238000005553 drilling Methods 0.000 claims abstract description 51
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 238000005086 pumping Methods 0.000 claims abstract description 20
- 238000002347 injection Methods 0.000 claims abstract description 13
- 239000007924 injection Substances 0.000 claims abstract description 13
- 238000005507 spraying Methods 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 58
- 239000002689 soil Substances 0.000 claims description 21
- 238000005520 cutting process Methods 0.000 claims description 11
- 238000003860 storage Methods 0.000 claims description 9
- 230000009471 action Effects 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims description 2
- 239000004568 cement Substances 0.000 abstract description 18
- 238000000034 method Methods 0.000 abstract description 9
- 238000010276 construction Methods 0.000 abstract description 8
- 230000009194 climbing Effects 0.000 abstract description 6
- 230000010354 integration Effects 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 239000004576 sand Substances 0.000 description 16
- 238000004519 manufacturing process Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000011398 Portland cement Substances 0.000 description 3
- 238000005422 blasting Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000001458 anti-acid effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000011378 shotcrete Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- -1 transport Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The present invention is a kind of high pressure spray jetting cement mortar foundation stabilization equipment, including crawler type trolley, high-pressure slurry pumping system, control platform, automatic pipe-rod changing mechanism, drilling rod, wherein high-pressure slurry pumping system, control platform, automatic pipe-rod changing mechanism, drilling rod are all installed on crawler type trolley, the external mud mixing plant of high-pressure slurry pumping system, automatic pipe-rod changing mechanism is connect by transmission mechanism with drilling rod, and high-pressure slurry pumping system and automatic pipe-rod changing mechanism are electrically connected with control platform.Cement mortar spraying equipment of the invention realizes drilling, injection, transport integration, has many characteristics, such as that high degree of automation, flexible operation, process are simple, climbing capacity is strong, can detect drilling depth, gradient automatically and move bar certainly；More traditional rotary churning pile equipment can reduce number of devices and operator, save cement, shorten the construction period, and achieve the purpose that reduce construction cost.
Description
Technical field
The present invention relates to foundation treatment technology and the high pressure spray jetting cement mortar foundation stabilization equipment in equipment research and development field, belong to
In the innovative technology of high pressure spray jetting cement mortar foundation stabilization equipment.
Background technique
High-pressure rotary jet grouting pile is to be mixed cement slurry penetrating soil layer with the soil body with the nozzle of high-pressure rotary, forms lap connection
Cement stabilization body.After the technology introduces China from the seventies, it is widely used in field of foundation treatment.It, which has, applies
The features such as work takes up an area less, with small vibration, low noise, it is widely used in the industries such as building, highway, railway, water conservancy, applies and related to
And stiffening basic ground, water seal for deep foundation pit curtain, side slope earth-retaining or water blocking, bottom of foundation ditch are reinforced, prevent piping and protuberance, underground
Large diameter pipeline is sealed and is reinforced, the soil layer of subway engineering is reinforced or waterproof, reservoir dam, sea wall, river dike, the dam body dam foundation
Anti-seepage reinforcing constructs the multiple fields such as underground reservoir seepage cutoff dam.
Summary of the invention
In order to solve above-mentioned technical problem existing in the prior art, the present invention is with providing a kind of high pressure spray jetting cement mortar
Base ruggedized equipment.The present invention realizes production, drilling, injection integration, has high degree of automation, flexible operation, process letter
List, climbing capacity are strong, can detect automatically drilling depth and gradient and move the features such as bar certainly, can effectively reduce number of devices and behaviour
Make personnel, saves cement, shorten the construction period, greatly reduce construction cost.
In order to solve the above technical problems, the present invention adopts the following technical scheme: high pressure spray jetting cement mortar of the invention
Base ruggedized equipment, including crawler type trolley, high-pressure slurry pumping system, control platform, automatic pipe-rod changing mechanism, drilling rod, mesohigh
Mud pump system, control platform, automatic pipe-rod changing mechanism, drilling rod are all installed on crawler type trolley, and high-pressure slurry pumping system is external
Mud mixing plant, automatic pipe-rod changing mechanism are connect by transmission mechanism with drilling rod, and high-pressure slurry pumping system and move bar machine certainly
Structure is electrically connected with control platform.
The present invention expands it in the application range of field of foundation treatment, originally by improving to traditional rotary churning pile equipment
It is high to invent automatic degreeization, process is simple, and flexible operation, climbing capacity is strong, production drilling, injection, transport integration are realized,
Reduce number of devices and operator, while drilling depth and gradient can be detected automatically and move bar certainly, and can walked, climb
Slope, present invention saves cement consumptions, shorten the construction period, and greatly reduce construction cost.
Detailed description of the invention
Below in conjunction with embodiment and attached drawing, the present invention is described in further detail:
Fig. 1 is the structural schematic diagram of high-pressure rotary jet grouting pile whole set equipment of the present invention.
Fig. 2 is the Construction State figure of high-pressure rotary jet grouting pile of the present invention.
Fig. 3 is the partial enlarged view that high-pressure rotary jet grouting pile bores (spray) head.
1 it is wherein slurry storing tube, 2 be water storage cylinder, 3 be high pressure slurry pump, 4 is that gas storage fills, 5 is air compressor machine, 6 is high-pressure glue
Pipe, 7 be water feeder, 8 be the first high-pressure slurry and blowpipe, 9 be the second high-pressure slurry and blowpipe,
10 it is pressurized water supplying pipe, 11 be the first high-pressure slurry and compressed-air atomizer, 12 is the second high-pressure slurry and compressed air spray
Mouth, 13 be hydraulic spray, 14 be drill bit, 15 be reinforcing body, 16 be crawler type trolley, 17 be high-pressure slurry pumping system, 18 be
Control platform, 19 be automatic pipe-rod changing mechanism, 20 be drilling rod, 21 be mud mixing plant, 22 be bolt, 23 be connector, 24 be biography
Motivation structure.
Specific embodiment
Below in conjunction with drawings and examples, the present invention will be further explained.
High pressure spray jetting cement mortar foundation stabilization equipment of the invention, including crawler type trolley 16, high-pressure slurry pumping system
17, control platform 18, automatic pipe-rod changing mechanism 19, drilling rod 20, wherein high-pressure slurry pumping system 17, control platform 18, move bar certainly
Mechanism 19, drilling rod 20 are all installed on crawler type trolley 16, and the external mud mixing plant 21 of high-pressure slurry pumping system 17 is moved certainly
Linkage 19 is connect by transmission mechanism 24 with drilling rod 20, and high-pressure slurry pumping system 17 and automatic pipe-rod changing mechanism 19 and control are flat
Platform 18 is electrically connected.Control platform 18 controls automatic pipe-rod changing mechanism 19 and realizes fast quick change bar and control the drilling operation work of drilling rod 20
Industry, meanwhile, control platform 18 controls the overall process of the gentle production of high pressure water, slurry, transport, injection.Drilling rod 20 is installed with drill bit
14, drill bit 14 is alloy bit.The bore diameter of drill bit 14 is 50mm-80mm, and drilling depth capacity can reach 40m.Driver
Structure 24 is installed on the bracket of high pressure spray jetting cement mortar foundation stabilization equipment.In the present embodiment, transmission mechanism 24 is chain.
In the present embodiment, above-mentioned high-pressure slurry pumping system 17 includes slurry storing tube 1, water storage cylinder 2, high pressure slurry pump 3, gas storage
Tank 4, air compressor machine 5, water feeder 7, the first high-pressure slurry and blowpipe 8, pressurized water supplying pipe 10, the first high-pressure slurry
With compressed-air atomizer 11, hydraulic spray 13, the water in water butt 2 forms high pressure water flow under the effect of high pressure slurry pump 3, leads to
It crosses the first high-pressure rubber pipe 6 and water feeder 7 to access in pressurized water supplying pipe 10, the high pressure water flow in pressurized water supplying pipe 10 is from high pressure
(operating) water nozzle 13 sprays downwards cutting soil, and drilling rod 20 is made smoothly to reach design bottom absolute altitude；Mud in slurry storing tube 1 is in high-pressure slurry
High-pressure slurry is formed under 3 effect of pump, high-pressure slurry stream is delivered in water feeder 7 by the second high-pressure rubber pipe, while in air accumulator 4
Air compressed air stream is formed under the action of air compressor machine 5, compressed air stream is delivered to water feeder 7 by third high-pressure rubber pipe
In, high-pressure slurry stream and compressed air stream are mixed to form high mud jacking and air-flow in water feeder 7, pass through the first high-pressure slurry and pressure
Contracting air delivery pipe 8 is sprayed from the first high-pressure slurry and compressed-air atomizer 11, and as the promotion of drilling rod 20 is to periphery soil
Body carries out secondary expansion cutting, and cement mortar and soil shear failure are mixed to form foundation stabilization body 15 later.Above-mentioned high pressure slurry pump 3
Also serve as high-pressure hydraulic pump.
High-pressure rubber pipe plays the role of conveying high-pressure medium；Water feeder 7 plays the role of tandem high pressure sebific duct and delivery pipe；
Reinforcing body 15 is the product after the foundation stabilization of high pressure spray jetting cement mortar.
In the present embodiment, the invention also includes having the second high-pressure slurry and blowpipe 9, the second high-pressure slurry and
Blowpipe 9 is connect with the second high-pressure slurry and compressed-air atomizer 12.In the present embodiment, above-mentioned first high-pressure slurry
With blowpipe 8, the second high-pressure slurry and blowpipe 9, pressurized water supplying pipe 10, the first high-pressure slurry and
Compressed-air atomizer 11, the second high-pressure slurry and compressed-air atomizer 12, hydraulic spray 13 are installed on drilling rod 20.
In the present embodiment, above-mentioned first high-pressure slurry and blowpipe 8, the second high-pressure slurry and compressed air are defeated
Send pipe 9, pressurized water supplying pipe 10 fixed by bolt 22 and connector 23.Connector 23 can be convex joint.
In the present embodiment, first switch K1 is housed, second is high on the pipeline that above-mentioned slurry storing tube 1 is connect with high pressure slurry pump 3
4th switch K4 is installed on moulding pipe.To achieve the purpose that control the production and transport of high-pressure slurry stream.
In the present embodiment, second switch K2 is housed, first is high on the pipeline that above-mentioned water storage cylinder 2 is connect with high pressure slurry pump 3
Third is installed on moulding pipe 6 and opens K3.To achieve the purpose that control the production and transport of high pressure water.
In the present embodiment, the 5th switch K5 is installed on the third high-pressure rubber pipe that above-mentioned air compressor machine 5 is connect with water feeder 7.
To achieve the purpose that control the production and transport of high pressure stream of compressed air.The components such as switch K1~K5 are defeated for controlling high-pressure medium
It send, mainly controls the production, conveying and spray technology of high pressure water, gas and mud.
Above-mentioned hydraulic spray 13, the first high-pressure slurry and compressed-air atomizer 11 and the second high-pressure slurry and compressed air
The injection of nozzle 12 is one or more of whirl spraying, fixed spray and swaying-jet-grouting combination.In the present embodiment, above-mentioned hydraulic spray 13,
The injection of first high-pressure slurry and compressed-air atomizer 11 and the second high-pressure slurry and compressed-air atomizer 12 is whirl spraying, and whirl spraying mentions
Lifting speed is 0-2m/min, and whirl spraying rotation speed is 30r/min, above-mentioned speed of travel 0-3km/h；21 ° of maximum climbing slope；On
State slush pump jet size 3.2mm；Mud system maximum pressure 350bar.Above-mentioned adapter tube is to move bar, practicable fast quick change certainly
Bar.
The equipment that the present invention specially designs for the foundation stabilization of high pressure spray jetting cement mortar, the equipment is primarily directed to tradition
The shortcomings that rotary churning pile bores, spray separates, improves in terms of equipment performance and blasting materials, to realize production, drilling, injection
Integration saves labour to reach, improves the purpose of economic effect.
The present invention can detect drilling depth and gradient automatically；The chassis traveling crawler of crawler type trolley 16 is rubber belt track,
Transport capacity is strong, flexible and convenient operation.
The present invention is, by the way that medium coarse sand is added in cement slurry, can to improve foundation soil using cement mortar as reinforcement material
Property improves pile quality, saves cement consumption, saves cost；It is required that mixed sand aggregate is scleroid natural sand or people
Work sand, granular size are 0.5~2.5mm；Cement preferably uses ordinary portland cement, and 32.5 grades of strength grade or more；In addition,
The walking trolley of present invention deep mixing method replaces drilling machine and high spray booth vehicle, realizes probing and injection integration；In addition,
The present invention improves the climbing capacity of trolley, and maximum climbing slope can reach 21 °；Invention increases automatic pipe-rod changing mechanisms, can
It realizes automatic fast quick change bar, and increases the detection function of drilling depth and gradient, can detect depth and gradient, and in display
Upper display；The present invention also passes through limitation sand granular size, to prevent spray nozzle clogging；And by adjusting slush pump jet size and spray
Injection pressure improves foundation treatment depth, and jet size can reach 3.2mm, mud peak injection pressure can reach 35MPa, processing
Depth can reach 40m.
Two high-pressure slurries of setting and blowpipe, respectively the first high-pressure slurry and compression in drilling rod of the present invention
Air delivery pipe 8 and the second high-pressure slurry and blowpipe 9, be separately connected in drilling rod upper and lower two high-pressure slurries and
Compressed-air atomizer is the first high-pressure slurry and compressed-air atomizer 11 and the second high-pressure slurry and compressed-air atomizer respectively
12, realize the cutting twice and stirring to the soil body；The pressurized water supplying pipe 10 of drill bit bottom setting cutting soil pore-forming connects height
Water jets 13, which obliquely, can reinforce the cutting to the soil body under drill bit, conducive to the drilling of drilling rod.
Drill bit of the present invention uses alloy bit, can solve drill bit and get into nothing after certain depth under ultra-deep complex geological condition
Method drilling and drill bit are easy the technical problem for being smoothed and being broken.
High pressure spray jetting cement mortar foundation consolidating technology and equipment technical parameters are shown in Table 1, table 2:
The technical parameter of the novel whirl spraying pile high-pressure equipment of table 1
2 slush pump technical parameter of table
The pile body of rotary churning pile of the present invention is that the cement mortar slurries injected by the undisturbed soil of ground and whirl spraying are stirred evenly and formed；
It joined sand aggregate in conventional high-pressure gunite rotary churning pile；Sand is medium coarse sand, and 0.5~2.5mm of particle size selects matter
Ground hard natural sand and artificial sand；Medium coarse sand aggregate is added in cement slurry, to clay ground property is improved, improves pile matter
Measurer has remarkable result, and medium coarse sand aggregate is added in cement slurry, it is low can to improve conventional rotary churning pile pile intensity in clay
Phenomenon, pile intensity improve 50% or more compared with conventional cement slurries, save 30% or more cement；Cement is ordinary portland cement or mine
Slag portland cement, grade are 32.5 or 42.5；The volume ratio of cement mortar slurries is cement: sand: water=1:5.09:0.96；
Cement slurry is substituted as blasting materials using cement mortar, part of cement dosage is replaced with sand admixture, every side's rotary churning pile can be saved
196.51 first；Cement sand pulp band metal charge ion can be generated to neutralize mutually to support with the charge of chemical body institute band and be reacted, therefore
With antiacid, alkali resistant and erosion-resisting characteristic；For cement mortar as blasting materials, loss of slump is small, is easy to pump, delivery pipe
It is with small vibration, it is not easy plug pipe；Cement mortar after hardening has the cracking of anti-drying shrinkage, anti-cracking performance；Cement mortar have waterproof, seepage control,
The characteristic of anti-chemical corrosion and anti-seawater Chloride Attack.
Above-mentioned 16 controllable device of crawler type trolley fast moves；The controllable slurrying of high-pressure slurry pumping system 17, water system
Make, convey and spray, makes two process very high integrities；Control platform 18 is the core of whole equipment, each portion of controllable device
Effective combination of part, makes its high-efficiency operation, while setting can detect the operation of drilling gradient and depth automatically in control platform
Device can detect the gradient and depth of drilling automatically, adjust in time；Automatic pipe-rod changing mechanism 19 can realize fast quick change bar, improve effect
Rate.With cement mortar substitution conventional cement slurry, by limiting the partial size and quality of sand particle, set with adapting to improved injection
It is standby, to reach the ground effect that complements each other.
The present invention melts drilling and high spray is integrated, and installs water or the gentle high-pressure delivery pipeline of slurry in drilling rod, will when drilling
Bore fill one walking trolley be moved to bore position, by air compressor machine, high pressure slurry pump (also serving as high-pressure hydraulic pump) production and
Conveying high-pressure medium, high pressure water from be mounted on drilling rod bottom nozzle spray, first to the soil body carry out cutting and crushing, high-pressure slurry and
Compressed air stream is sprayed from the nozzle for being mounted on drilling rod upper and lower part, then carries out secondary expansion cutting and crushing to the soil body, later
Cement mortar and soil shear failure are mixed to form foundation stabilization body.
High pressure spray jetting mud equipment of the present invention realizes production drilling, injection, transport integration；It is set in the equipment drilling rod
High-pressure slurry and blowpipe are set, the pressurized water supplying pipe of cutting soil pore-forming is arranged in drill bit bottom.
Specific work process of the invention is as follows:
Before construction, drilling machine is fast moved to bore position by crawler type trolley 16, drilling rod 20 connects mud mixing plant 21, opens
Begin to bore and sprays work.Firstly, opening second switch K2, third switch K3, start high pressure slurry pump 3, the water in water storage cylinder 2 is in mud
High pressure water flow is formed in pump 3, is accessed in delivery pipe 10 by sebific duct 6 and water feeder 7, sprays cutting soil downwards from nozzle 13,
Drilling rod 20 is set smoothly to reach design bottom absolute altitude；Then, second switch K2, third switch K3 are closed, first switch K1, the 4th are started
Switch K4, the mud in slurry storing tube 1 form high-pressure slurry stream under the action of high pressure slurry pump 3；The 5th switch K5 is opened simultaneously,
Air in air accumulator 4 forms compressed air stream under the action of air compressor machine 5, and high-pressure slurry stream and compressed air stream pass through high pressure
Sebific duct is delivered in water feeder 7, and high mud jacking, air-flow are mixed to form in water feeder 7, passes through the first high-pressure slurry and compressed air
Delivery pipe 8 and the second high-pressure slurry and blowpipe 9 are respectively from the first high-pressure slurry and compressed-air atomizer 11 and
It sprays in two high-pressure slurries and compressed-air atomizer 12, and is cut as the promotion of drilling rod 20 carries out secondary expansion to the periphery soil body
It cuts, cement mortar and soil shear failure are mixed to form foundation stabilization body 15 later, and the diameter of foundation stabilization body 15 is D.
High pressure spray jetting cement mortar foundation consolidating technology of the invention and equipment can effectively solve traditional rotary churning pile cost
It high, the problems such as the degree of automation is low, pile quality is not high, performance is poor, has a extensive future.
Although embodiment of the present invention is described in conjunction with attached drawing above, the invention is not limited to above-mentioned
Specific embodiments and applications field, above-mentioned specific embodiment are only schematical, directiveness, rather than restricted
's.Those skilled in the art are under the enlightenment of this specification and in the range for not departing from the claims in the present invention and being protected
In the case where, a variety of forms can also be made, these belong to the column of protection of the invention.
Claims (10)
1. a kind of high pressure spray jetting cement mortar foundation stabilization equipment, it is characterised in that including crawler type trolley, high pressure slurry pump system
System, control platform, automatic pipe-rod changing mechanism, drilling rod, wherein high-pressure slurry pumping system, control platform, automatic pipe-rod changing mechanism, drilling rod be all
Be installed on crawler type trolley, the external mud mixing plant of high-pressure slurry pumping system, automatic pipe-rod changing mechanism by transmission mechanism with
Drilling rod connection, and high-pressure slurry pumping system and automatic pipe-rod changing mechanism are electrically connected with control platform.
2. high pressure spray jetting cement mortar foundation stabilization equipment according to claim 1, it is characterised in that above-mentioned high-pressure slurry
Pumping system includes slurry storing tube, water storage cylinder, high pressure slurry pump, air accumulator, air compressor machine, water feeder, the first high-pressure slurry and compression
Air delivery pipe, pressurized water supplying pipe, the first high-pressure slurry and compressed-air atomizer, hydraulic spray, the water in water butt exist
High pressure water flow is formed under high-pressure slurry pumping action, is accessed in pressurized water supplying pipe by the first high-pressure rubber pipe and water feeder, high pressure
High pressure water flow in water delivery pipe sprays downwards cutting soil from hydraulic spray, and drilling rod is made to reach design bottom absolute altitude；Slurry storing tube
In mud high-pressure slurry is formed under high-pressure slurry pumping action, high-pressure slurry stream is delivered to water feeder by the second high-pressure rubber pipe
In, while the air in air accumulator forms compressed air stream under the action of air compressor machine, compressed air stream passes through third high-pressure glue
Pipe is delivered in water feeder, and high-pressure slurry stream and compressed air stream are mixed to form high mud jacking and air-flow in water feeder, passes through
One high-pressure slurry and blowpipe are sprayed from the first high-pressure slurry and compressed-air atomizer, and with the promotion of drilling rod
Secondary expansion cutting is carried out to the periphery soil body, cement mortar and soil shear failure are mixed to form foundation stabilization body later.
3. high pressure spray jetting cement mortar foundation stabilization equipment according to claim 2, it is characterised in that further include having second
High-pressure slurry and blowpipe, the second high-pressure slurry and blowpipe and the second high-pressure slurry and compressed air
Nozzle connection.
4. high pressure spray jetting cement mortar foundation stabilization equipment according to claim 3, it is characterised in that high pressure slurry pump is same
When also serve as high-pressure hydraulic pump.
5. high pressure spray jetting cement mortar foundation stabilization equipment according to claim 3, it is characterised in that the first high-pressure slurry
It is fixed with blowpipe, the second high-pressure slurry and blowpipe, pressurized water supplying pipe by bolt and connector.
6. high pressure spray jetting cement mortar foundation stabilization equipment according to claim 3, it is characterised in that transmission mechanism is chain
Item.
7. according to the described in any item high pressure spray jetting cement mortar foundation stabilization equipment of claim 3 to 6, it is characterised in that storage slurry
First switch K1 is housed on the pipeline that cylinder is connect with high pressure slurry pump, the 4th switch K4 is installed on the second high-pressure rubber pipe.
8. high pressure spray jetting cement mortar foundation stabilization equipment according to claim 7, it is characterised in that water storage cylinder and high pressure
Second switch K2 is installed on the pipeline of slush pump connection, third is installed on the first high-pressure rubber pipe and opens K3；Air compressor machine and send water
The 5th switch K5 is installed on the third high-pressure rubber pipe of device connection.
9. high pressure spray jetting cement mortar foundation stabilization equipment according to claim 8, it is characterised in that above-mentioned high pressure water jets
The injection of mouth, the first high-pressure slurry and compressed-air atomizer and the second high-pressure slurry and compressed-air atomizer be whirl spraying, fixed spray and
One or more of swaying-jet-grouting combination.
10. high pressure spray jetting cement mortar foundation stabilization equipment according to claim 9, it is characterised in that above-mentioned drilling rod installing
There is drill bit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710622034.8A CN109306694A (en) | 2017-07-27 | 2017-07-27 | A kind of high pressure spray jetting cement mortar foundation stabilization equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710622034.8A CN109306694A (en) | 2017-07-27 | 2017-07-27 | A kind of high pressure spray jetting cement mortar foundation stabilization equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109306694A true CN109306694A (en) | 2019-02-05 |
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ID=65201814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710622034.8A Pending CN109306694A (en) | 2017-07-27 | 2017-07-27 | A kind of high pressure spray jetting cement mortar foundation stabilization equipment |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1667202A (en) * | 2005-03-04 | 2005-09-14 | 赵延龙 | Seepage control consolidation method and apparatus for reciprocating high-pressure injection grouting foundation |
| CN207047832U (en) * | 2017-07-27 | 2018-02-27 | 广东省航运规划设计院有限公司 | A kind of high pressure spray jetting cement mortar foundation stabilization equipment |
-
2017
- 2017-07-27 CN CN201710622034.8A patent/CN109306694A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1667202A (en) * | 2005-03-04 | 2005-09-14 | 赵延龙 | Seepage control consolidation method and apparatus for reciprocating high-pressure injection grouting foundation |
| CN207047832U (en) * | 2017-07-27 | 2018-02-27 | 广东省航运规划设计院有限公司 | A kind of high pressure spray jetting cement mortar foundation stabilization equipment |
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