CN201428133Y - Hydraulic milling and deep mixing machine for diaphragm walls - Google Patents
Hydraulic milling and deep mixing machine for diaphragm walls Download PDFInfo
- Publication number
- CN201428133Y CN201428133Y CN2009200429825U CN200920042982U CN201428133Y CN 201428133 Y CN201428133 Y CN 201428133Y CN 2009200429825 U CN2009200429825 U CN 2009200429825U CN 200920042982 U CN200920042982 U CN 200920042982U CN 201428133 Y CN201428133 Y CN 201428133Y
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- hydraulic motor
- guide rod
- hydraulic
- sealing
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- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Piles And Underground Anchors (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The utility model discloses a hydraulic milling and deep mixing machine for diaphragm walls in the engineering and mechanical field. The hydraulic milling and deep mixing machine comprises a guide rodwhich is internally provided with a gas pipeline and a slurry pipeline, two fixed plates are symmetrically arranged at the lower end of the guide rod from left to right, at least one group of sealingmilling and digging mechanism is arranged on each fixed plate, the sealing milling and digging mechanism comprises a hydraulic motor which is fixed on the fixed plate, a sealing cover plate is arranged at the end of an output shaft of the hydraulic motor, the sealing cover plate comprises an axial section which is sleeved on the output shaft of the hydraulic motor and a radial disk which extendsradially outwards, a rotating body is arranged at the circumference of the radial disk, a plurality of digging and mixing teeth are annularly distributed at the circumference of the rotating body, aninner housing is sleeved outside the axial section, a bearing is arranged between the outer circumference of the inner housing and the inner circumference of the rotating body, an outer ring of the inner housing is fixed with the fixed plate, and the inner housing is in dynamic seal connection with the axial section and the rotating body. The hydraulic milling and deep mixing machine can cut the soil layer and the rocks, has simple structure and good sealing, and can be used for building the full-depth diaphragm walls.
Description
Technical field
The utility model relates to a kind of at construction of diaphragm wall machinery, particularly soil layer is carried out the engineering machinery of milling cutting construction.
Background technology
At present, be applied to basis and vertical seepage control and handle construction, mainly adopt hydraulic grab to become wall, multi-drill small-diameter deep-layer mixing pile ground-connecting-wall, pick groove to become construction technologies such as wall nothing more than concrete, cement-soil and slip casting treatment technology.It is to plan to build on the ground of diaphragm wall that grab chute forming machine becomes wall, construct earlier and lead wall, hydraulic grab is cut the earth along leading wall, and measures the verticality of grab bucket with inclinometer. adjust the vertical condition of such of hydraulic grab then by the push pedal of operation correction hydraulic pressure, with control grooving precision.Use mud off simultaneously in grooving, prevent that the wall soil body from collapsing.After becoming trough end, by the clear hole of cleaning bottom of hole operation, remove the bottom land surface dust, improve bearing capacity of wall body; Put into reinforcing cage at last, carry out subaqueous concrete and build.But go into rock when handling efficiency of construction low, then can't construct in case of than the Da Shi layer time, need to cooperate percussive drill ability smooth construction; And cost an arm and a leg.Multi-head small-diameter deep stirs stake, its structure mainly includes the drilling rod of upright setting and hollow, drilling rod is installed on the pile frame through drag-line, the drilling rod lower end is equipped with a plurality of cutting knifes, be provided with the gas pipeline and the stock line that run through drilling rod up and down in the drilling rod, cut soil layer by cutting knife, stock line input cement paste by gas pipeline input compressed air, also is provided with stirring vane simultaneously on the drilling rod, play stirring action, cement paste and earth under the cutting and air stirring with input mix cement paste and earth, solidify the back and become wall, though this construction technology operating expenses is lower, but construction quality is difficult to guarantee in the complex environment stratum, when meeting basement rock, and the construction of equipment impotentia, and construction depth is limited, along with the increase of the degree of depth, precision be cannot say for sure to demonstrate,prove, when particularly using as impervious wall, easily produce discontinuous problem between colonnade, the maximum at present one-tenth wall degree of depth also can only reach 30 meters; For the construction of pick groove technology, then work efficiency is lower, becomes wall speed slower, and cost is than higher, and bifurcation appears in body of wall easily.At present domestic pick groove is spread film and is watered concrete technology and can only reach 20 meters in degree of depth maximum, and can not adapt to the stratum that sand ovum gravel concentration is higher, particle diameter is bigger.
In the prior art, also has a kind of two-wheel slotter (application number: 200810028551.3), comprise leading truck, be installed on the seal case of leading truck bottom, be installed on the drive unit in the seal case, what be installed on the seal case bottom can be to soil layer, just is carrying out the rock stratum, counter at least one of milling some milling heads that are periphery of digging milled wheel, and described drive unit comprises by the slow-speed of revolution of oil bath lubrication sealing device in seal case, high-torque hydraulic motor reaches by the minor sprocket that is installed on this hydraulic motor output shaft, be used to drive the hinge wheel that mills the wheel rotation and connect minor sprocket, the variable transmission mechanism that the chain of hinge wheel is formed.Above-mentionedly mill that wheel comprises the moving runner that is used for device hydraulic motor and minor sprocket, hinge wheel, is fixed in milling cutter wheel on the moving runner, some milling heads on the milling cutter wheel are periphery, wherein said hinge wheel and moving runner are by bearing and supporting base is coaxial is connected, and the gap location between described moving runner and the supporting base is provided with the sealing device of being made up of spring and oil immersion packing.This device also comprises mud discharging device, this mud discharging device comprises that being positioned at several that mill the wheel side inhales mud mouths, gas mud mixing chamber, gaslift telescoping tube, wherein gas mud mixing chamber is provided with compressed air inlet, and described gaslift telescoping tube is positioned on the sidewall of one section gaslift telescoping tube of gas mud mixing chamber and is equipped with some air inlet ports, the gaslift telescoping tube is communicated with suction mud mouth, its top seals the flexible pipeline that elongates or shorten that socket is formed mutually for the steel pipe by some different tube diameters, and this gaslift telescoping tube is fixed on the leading truck.This device can be used for constructing diaphragm wall (ground-connecting-wall), and its weak point is: its complex structure, sprocket wheel, chain sealing are poor, are subjected to the erosion of sand, rock mass disintegrating slag, cement grout easily, and cause mechanical breakdown.
The content of utility model
The utility model be for solve the problems of the technologies described above provide a kind of simple in structure, be suitable for the big degree of depth, high efficiency, low cost, construction of diaphragm wall machinery---the hydraulic pressure milling deep-mixing underground-wall machine of the uniform thickness of being convenient to promote that can be applicable to various soil layers, sand gravel stratum, horizon d simultaneously.
The utility model is achieved in that hydraulic pressure milling deep-mixing underground-wall machine, the guide rod that comprises upright setting and hollow, be provided with the gas pipeline and the stock line that run through guide rod up and down in the guide rod, be symmetrically set with two fixed heads at lower end of the guide rod, at least one group of sealing is installed on each fixed head mills pick mechanism, described sealing is milled pick mechanism and is comprised the hydraulic motor that is fixed on the fixed head, the hydraulic motor output shaft end is equipped with seal cover board, described seal cover board comprises axial direction part that is sleeved on the hydraulic motor output shaft and the radial transmission line that extends radially outwardly, the radial transmission line periphery is equipped with rotary body, is periphery to be provided with some excavation stirrer gears in the rotary body periphery; Described axial direction part is set with the inner can body outward, be provided with bearing between external circumference of inner can and a rotating body circumference, external circle of described inner can and fixed head fix, between the inner periphery of inner cover housing and the axial direction part, between the external circumference of inner can and a rotating body circumference respectively movable sealing be connected.
During the utility model work, guide rod is installed on the pile frame through drag-line, guide rod can connect lengthening by cover roller hoop, when hydraulic motor rotates, rotary body rotates, the outer excavation stirrer gear of rotary body can cut earth and rock, also play stirring action simultaneously, inject cement grout by stock line, gas pipeline input compressed air is raised metathesis by the liter of gases at high pressure, in original position with earth, rock and cement grout Forced Mixing evenly stir, cement grout that is injected into and the water generation hydrolysis in the soil layer, hydration reaction makes permeable or soft soil layer condense into uniform thickness after the curing, uniform diaphragm wall.Compared with prior art, the utility model adopts sealing to mill pick mechanism and excavates and stir, and excavates stirrer gear and is the milling duty, not only earth can be cut open, simultaneously, rock can be cut open, makes device can adapt to the construction of various soil layers; Compare with existing two-wheel slotter, the utility model adopts the two seals structure, make the rotating shaft of bearing and hydraulic motor and the space that sealing is milled outside the pick mechanism thoroughly keep apart, prevent in sand, rock mass disintegrating slag, the cement grout intrusion hydraulic motor, can stop the loss of the hydraulic oil of hydraulic motor inside again, guarantee that rotatable parts can the long-term safety reliability service.Simultaneously, it is simple in structure, and manufacturing and maintenance management are convenient, even silt particle invades in the outer field movable sealing structure, because the movable sealing structure of internal layer is arranged, the rotatable parts of hydraulic motor itself also can well move.The utility model can be used for constructing diaphragm wall, and its operating efficiency height, speed are fast, becomes wall precision height, can construct the ground-connecting-wall that the degree of depth surpasses 30 meters.
Be to guarantee compact conformation, described hydraulic motor output shaft is stretched out from two sections of hydraulic motor, and two external parts are separately installed with seal cover board, inner cover housing, rotary body and excavation stirrer gear.Seal cover board, inner cover housing, rotary body and excavation stirrer gear are set respectively at the hydraulic motor two ends, make whole device more economically, efficiently.
More abundant for guaranteeing stirring, the diverse location up and down on the fixed head of described any side is respectively equipped with two groups of sealings and mills pick mechanism.
More smooth for guaranteeing gas transmission and input cement grout, described gas pipeline and stock line intert between two fixed heads downwards.
Carry conveniently for the turnover oil that guarantees hydraulic motor, the turnover oil pipe of described hydraulic motor is arranged in the guide rod.
Stressed evenly for guaranteeing guide rod, the rotary body switched in opposite in the pick mechanism is milled in the sealing on described two fixed heads.During milling earth, sealing is milled the reaction force that pick produces in the mechanism and is cancelled out each other, and has guaranteed the reliably working of guide rod.
Description of drawings
Fig. 1 is a kind of structural representation of the utility model;
Fig. 2 is the A-A sectional view of the utility model Fig. 1;
Fig. 3 is the utility model user mode figure;
Fig. 4 is another structural representation of the utility model.
Wherein, 1, guide rod, 2, fixed head, 3, gas pipeline, 4, stock line, 5, sealing mills pick mechanism, 6, seal cover board, 6a, radial transmission line, 6b, axial direction part, 7, rotary body, 8, bearing, 9, the inner cover housing, 10, movable sealing mechanism, 11, output shaft, 12, hydraulic motor, 13, excavate stirrer gear, 14, drag-line, 15, pile frame.
The specific embodiment
As illustrated in fig. 1 and 2, for machine is stirred in the hydraulic pressure milling deeply, the guide rod 1 that comprises upright setting and hollow, guide rod 1 can be triumphant formula square bar or round bar, be provided with the gas pipeline 3 and the stock line 4 that run through guide rod 1 up and down in the guide rod 1, be symmetrically set with two fixed heads 2, one group of sealing is installed on each fixed head 2 mills pick mechanism 5 in guide rod 1 lower end, described sealing is milled pick mechanism 5 and is comprised the hydraulic motor 12 that is fixed on the fixed head 2, and the turnover oil pipe of hydraulic motor 12 is arranged in the guide rod 1; The output shaft 11 of hydraulic motor 12 stretches out from two ends, two external parts are installed seal cover board 6 respectively, seal cover board 6 is made up of the radial transmission line 6a one that is sleeved on the axial direction part 6b on hydraulic motor 12 output shafts 11 and extend radially outwardly, radial transmission line 6a periphery is equipped with rotary body 7, is periphery to be provided with some excavation stirrer gears 13 in rotary body 7 peripheries; Axial direction part 6b is set with inner can body 9 outward, be provided with bearing 8 between the inner periphery of the excircle of inner cover housing 9 and rotary body 7, inner cover housing 9 outer rings and fixed head 2 fix, between the inner periphery of inner cover housing 9 and the axial direction part 6b, be connected through movable sealing mechanism 10 respectively between the inner periphery of the excircle of inner cover housing 9 and rotary body 7; Gas pipeline 3 and stock line 4 intert downwards between two fixed heads 2; Rotary body 7 switched in opposite in the pick mechanism 5 are milled in sealing on two fixed heads 2.
During work, as shown in Figure 3, guide rod 1 is installed on the pile frame 15, hold guide rod 1 by drag-line 14, can adjust the position up and down, hydraulic motor 12 adopts the hydraulic motor of the slow-speed of revolution, high pulling torque, provide power by hydraulic power supply, drive the slow-speed of revolution and turn round the hydraulic motor rotation of refusing greatly, turn round the hydraulic motor driven rotary body of refusing 7 greatly by the slow-speed of revolution and rotate, by stock line 4 and gas pipeline 3 input cement grout and gases at high pressure, milling stratum, rise and raise the displacement acting in conjunction, form the mixture body of wall of cement, soil (rock mass disintegrating slag).When rotary body 7 rotated, twice movable sealing mechanism can stop entering of mud effectively, has guaranteed that rotatable parts can move safely reliably and with long-term; After the movable sealing mechanism in the outside is damaged to a certain degree, only need change movable sealing mechanism and get final product, its maintenance cost is cheap.
As shown in Figure 4, the difference with embodiment 1 is: the diverse location up and down on the fixed head 2 of the left and right sides is respectively equipped with two groups of sealings and mills pick mechanism 5.Can strengthen stirring action, make the diaphragm wall of constructing more even, intensity and material reach unanimity.
Claims (7)
1, hydraulic pressure milling deep-mixing underground-wall machine, the guide rod that comprises upright setting and hollow, be provided with the gas pipeline and the stock line that run through guide rod up and down in the guide rod, it is characterized in that: be symmetrically set with two fixed heads at lower end of the guide rod, at least one group of sealing is installed on each fixed head mills pick mechanism, described sealing is milled pick mechanism and is comprised the hydraulic motor that is fixed on the fixed head, the hydraulic motor output shaft end is equipped with seal cover board, described seal cover board comprises axial direction part that is sleeved on the hydraulic motor output shaft and the radial transmission line that extends radially outwardly, the radial transmission line periphery is equipped with rotary body, is periphery to be provided with some excavation stirrer gears in the rotary body periphery; Described axial direction part is set with the inner can body outward, be provided with bearing between external circumference of inner can and a rotating body circumference, external circle of described inner can and fixed head fix, between the inner periphery of inner cover housing and the axial direction part, between the external circumference of inner can and a rotating body circumference respectively movable sealing be connected.
2, hydraulic pressure milling deep-mixing underground-wall machine according to claim 1 is characterized in that: described hydraulic motor output shaft is stretched out from two sections of hydraulic motor, and two external parts are separately installed with seal cover board, inner cover housing, rotary body and excavation stirrer gear.
3, hydraulic pressure milling deep-mixing underground-wall machine according to claim 1 and 2 is characterized in that: the diverse location up and down on the fixed head of described any side is respectively equipped with two groups of sealings and mills pick mechanism.
4, hydraulic pressure milling deep-mixing underground-wall machine according to claim 1 and 2 is characterized in that: described gas pipeline and stock line intert between two fixed heads downwards.
5, hydraulic pressure milling deep-mixing underground-wall machine according to claim 1 and 2 is characterized in that: the turnover oil pipe of described hydraulic motor is arranged in the guide rod.
6, hydraulic pressure milling deep-mixing underground-wall machine according to claim 1 and 2 is characterized in that: the rotary body switched in opposite in the pick mechanism is milled in the sealing on described two fixed heads.
7, hydraulic pressure milling deep-mixing underground-wall machine according to claim 1 and 2 is characterized in that: described guide rod is triumphant formula square bar or round bar.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2009200429825U CN201428133Y (en) | 2009-06-30 | 2009-06-30 | Hydraulic milling and deep mixing machine for diaphragm walls |
Applications Claiming Priority (1)
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CN2009200429825U CN201428133Y (en) | 2009-06-30 | 2009-06-30 | Hydraulic milling and deep mixing machine for diaphragm walls |
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CN201428133Y true CN201428133Y (en) | 2010-03-24 |
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CN2009200429825U Expired - Lifetime CN201428133Y (en) | 2009-06-30 | 2009-06-30 | Hydraulic milling and deep mixing machine for diaphragm walls |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105113526A (en) * | 2015-09-08 | 2015-12-02 | 上海市基础工程集团有限公司 | Rotary milling type deep stirring water sealing curtain construction method |
FR3060046A1 (en) * | 2016-12-14 | 2018-06-15 | Soletanche Freyssinet | DRILLING MACHINE WITH FOUR DRILLING BODIES |
-
2009
- 2009-06-30 CN CN2009200429825U patent/CN201428133Y/en not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105113526A (en) * | 2015-09-08 | 2015-12-02 | 上海市基础工程集团有限公司 | Rotary milling type deep stirring water sealing curtain construction method |
FR3060046A1 (en) * | 2016-12-14 | 2018-06-15 | Soletanche Freyssinet | DRILLING MACHINE WITH FOUR DRILLING BODIES |
WO2018109370A1 (en) * | 2016-12-14 | 2018-06-21 | Soletanche Freyssinet | Boring machine provided with four boring bodies |
US11427985B2 (en) | 2016-12-14 | 2022-08-30 | Soletanche Freyssinet | Boring machine provided with four boring bodies |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20100324 Effective date of abandoning: 20090630 |