CN111155582B - Double-wheel milling and stirring device for foundation treatment and vertical seepage-proofing treatment and construction method - Google Patents
Double-wheel milling and stirring device for foundation treatment and vertical seepage-proofing treatment and construction method Download PDFInfo
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- CN111155582B CN111155582B CN202010064846.7A CN202010064846A CN111155582B CN 111155582 B CN111155582 B CN 111155582B CN 202010064846 A CN202010064846 A CN 202010064846A CN 111155582 B CN111155582 B CN 111155582B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
- E02F5/08—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with digging wheels turning round an axis
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
- E02F3/22—Component parts
- E02F3/24—Digging wheels; Digging elements of wheels; Drives for wheels
- E02F3/243—Digging wheels; Digging elements of wheels; Drives for wheels wheels rotatable in both directions
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
- E02F3/22—Component parts
- E02F3/26—Safety or control devices
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
- E02F5/14—Component parts for trench excavators, e.g. indicating devices travelling gear chassis, supports, skids
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- Mining & Mineral Resources (AREA)
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- General Engineering & Computer Science (AREA)
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- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
A double-wheel milling and stirring device for foundation treatment and vertical anti-seepage treatment relates to pile foundation construction equipment and a construction method, and is provided with a guide mounting frame, wherein a connecting device is arranged on the upper side of the guide mounting frame, a pressurization winch is arranged in the guide mounting frame, a milling connecting rod is arranged on the lower side of the guide mounting frame, a hydraulic oil pipe, a grouting pipe and an air pipe are arranged on the milling connecting rod, a mounting seat is arranged at the lower end of the milling connecting rod, a left swing arm and a right swing arm are hinged to the mounting seat, a swing arm driving device is arranged on the mounting seat, and a left hydraulic driving device, a left milling and stirring wheel, a right hydraulic driving device and a right milling and stirring wheel are respectively arranged at the lower ends of the left swing arm and the right swing arm; the left milling and stirring wheel and the right milling and stirring wheel can adjust the wheel spacing of the left milling and stirring wheel and the right milling and stirring wheel under the driving control of the swing arm driving device; the lower end of the hydraulic oil pipe is respectively connected with the left hydraulic driving device and the right hydraulic driving device. The invention has the advantages of simple structure, low cost, high working efficiency, reliable work and the like.
Description
Technical Field
The invention relates to pile foundation construction equipment and a construction method, in particular to a double-wheel milling and stirring device for foundation treatment and vertical anti-seepage treatment and a construction method.
Background
At present, in foundation treatment and vertical anti-seepage treatment methods in China, an SMW construction machine, a continuous wall grab bucket and a TRD construction machine are widely applied in recent years. The hydraulic milling and stirring cement soil diaphragm wall (HCSCMW construction method) is a world-recognized advanced water-stop anti-seepage diaphragm wall. However, both hydraulic milling, multi-shaft stirring and a diaphragm wall grab all have a common problem, namely, in order to avoid the deflection caused by single-side stress, the construction sequence is completed by adopting a jump beating mode. Although the TRD construction method machine solves the problems, the TRD construction method machine has the problems of high manufacturing cost and low efficiency when used for stirring construction.
The structure of the milling and stirring device commonly used for the existing foundation treatment and vertical seepage-proofing treatment is as follows: be equipped with the direction mounting bracket, direction mounting bracket upside is equipped with the connecting device that can promote, is equipped with the pressurization hoist engine in the direction mounting bracket, is equipped with on the direction mounting bracket downside and mills the connecting rod, is equipped with hydraulic pressure oil pipe, slip casting pipe and water pipe on milling the connecting rod, is used for respectively for hydraulic drive device provides power, pours into the grout and pours into compressed air into for improving the stirring effect. The lower end of the milling connecting rod is provided with a hydraulic driving device (comprising a hydraulic motor and a hydraulic driving assembly of a speed reducer) and a milling stirring wheel, the lower end of a hydraulic oil pipe is connected with the hydraulic driving device to provide hydraulic power for the hydraulic driving device, and a grouting pipe can be used for grouting cement paste, compressed air and the like into the ground after milling and stirring. When the device is used, the connecting device is connected with a traction rope of a host (a pile driving frame), the guide mounting frame (one side) can slide up and down and is connected to a slideway of the host for guiding the guide mounting frame, the hydraulic oil pipe is connected with a host hydraulic system, the host is provided with a grouting device and an air pump, the grouting device is connected with a grouting pipe through a pipeline, the air pump is connected with an air pipe through a guide pipe, and the pressurization winch is connected with the bottom of the host. The host machine haulage rope drives and mills agitating unit up-and-down motion, and the direction mounting bracket cooperates with the slide on the host machine vertical pile frame for its direction, and host machine hydraulic system provides power for hydraulic drive device through hydraulic pressure oil pipe, and hydraulic drive device drives and mills the stirring wheel and rotate and mill the stirring to the soil, and the pressurization hoist engine passes through the pressurization rope and pulls down and provide pressure for milling the stirring wheel, and the host machine can drive and mill agitating unit and control or reciprocate.
The existing milling and stirring device for foundation treatment and vertical seepage-proofing treatment only mills and stirs one soil body by up-and-down reciprocating motion, the efficiency is only 50%, and the working efficiency is low. The SMW construction method is the most mainstream and efficient construction method at present, the three-axis distance is fixed, and a beating mode is also needed to be adopted to avoid deflection; if the diameter of each shaft is set as one unit, the construction method of the three-shaft stirring mainly adopts a jump beating mode that a mobile host moves in 4 units and moves back in 2 units, the moving distance is that the moving distance actually moves in 2 length units after 6 unit lengths are reached, and the effective movement is only 33.3%. As the up-down stirring construction process, although the up-down stirring construction process is a two-drilling stroke, the effective stroke in six units is only four strokes, and the other two strokes belong to repeated drilling. The effective stirring is only 66%. The single-shaft stirring efficiency is lower.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provides a double-wheel milling and stirring device for foundation treatment and vertical anti-seepage treatment and a construction method, wherein the double-wheel milling and stirring device is simple in structure, low in cost, high in working efficiency and reliable in working.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a double-wheel milling and stirring device for foundation treatment and vertical seepage-proofing treatment is provided with a guide mounting frame, wherein a liftable connecting device is arranged on the upper side of the guide mounting frame, a pressurization winch is arranged in the guide mounting frame, a milling connecting rod is arranged on the lower side of the guide mounting frame, and a hydraulic oil pipe, a grouting pipe and a water pipe are arranged on the milling connecting rod; the lower ends of the left swing arm and the right swing arm are respectively provided with a left hydraulic driving device, a left milling and stirring wheel, a right hydraulic driving device and a right milling and stirring wheel, the left hydraulic driving device is connected with the left milling and stirring wheel, and the right hydraulic driving device is connected with the right milling and stirring wheel; the left milling and stirring wheel and the right milling and stirring wheel can adjust the wheel spacing of the left milling and stirring wheel and the right milling and stirring wheel under the driving control of the swing arm driving device; the lower end of the hydraulic oil pipe is respectively connected with the left hydraulic driving device and the right hydraulic driving device.
The swing arm driving device drives the left swing arm and the right swing arm to swing towards the folding direction, and can drive the left milling and stirring wheel and the right milling and stirring wheel to move to the left and right side by side, at the moment, the axial distance between the left milling and stirring wheel and the right milling and stirring wheel is larger than the diameter of the left milling and stirring wheel, and preferably, the axial distance between the left milling and stirring wheel and the right milling and stirring wheel is 1-1.1 times of the diameter of the left milling and stirring wheel; swing arm drive arrangement drive left swing arm and right swing arm swing to the direction of separation, can drive a left side and mill the stirring wheel with the right side and remove to a left side and mill the stirring wheel and mill the right side the interaxial distance of stirring wheel and mill for a left side mill 2-4 times of stirring wheel diameter, promptly: the distance between the left side edge of the left milling and stirring wheel and the right side edge of the right milling and stirring wheel is 3-5 times of the diameter of the left milling and stirring wheel, and preferably, the distance between the shafts of the left milling and stirring wheel and the right milling and stirring wheel is 3-3.5 times of the diameter of the left milling and stirring wheel. The left milling and stirring wheel and the right milling and stirring wheel have the same diameter.
The left milling and stirring wheel comprises a left front milling and stirring wheel and a left rear milling and stirring wheel, and the right milling and stirring wheel comprises a right front milling and stirring wheel and a right rear milling and stirring wheel. Milling the stirring wheel and milling the stirring wheel back to back mutually in the left side, right front and mill the stirring wheel back to back mutually and set up, improve to the soil body mill the stirring width both can, guaranteed again that the mount pad, mill the connecting rod and be located the left side and mill the stirring wheel and mill the top that the stirring wheel was taken turns with the right side, more down, get into in the soil body easily.
The left hydraulic driving device comprises a left front hydraulic driving device and a left rear hydraulic driving device, the right hydraulic driving device comprises a right front hydraulic driving device and a right rear hydraulic driving device, the left front hydraulic driving device is connected with the left front milling and stirring wheel, the left rear hydraulic driving device is connected with the left rear milling and stirring wheel, the right front hydraulic driving device is connected with the right front milling and stirring wheel, and the right rear hydraulic driving device is connected with the right rear milling and stirring wheel.
The swing arm driving device disclosed by the invention has the structure that: the left swing arm right side is articulated to have left transmission connecting rod (one end), right swing arm left side is articulated to have right transmission connecting rod (one end), swing arm drive arrangement be at the mount pad between left swing arm and the right swing arm or mill the connecting rod and be equipped with the driver that can drive the left transmission connecting rod and the right transmission connecting rod other end up-and-down (mill connecting rod axial) motion, the left transmission connecting rod and the right transmission connecting rod other end link to each other with the driver output.
The driver is a hydraulic oil cylinder or an air cylinder. The other ends of the left transmission connecting rod and the right transmission connecting rod are hinged with a piston rod of a hydraulic oil cylinder or an air cylinder.
The driver is a lead screw. The other ends of the left transmission connecting rod and the right transmission connecting rod are hinged with the nut of the screw rod.
The swing arm driving device disclosed by the invention has the structure that: and articulated shafts of the left swing arm and the right swing arm, which are articulated with the mounting seat, are provided with swing gears, the mounting seat or the milling connecting rod is provided with a gear driving device, and an output shaft of the gear driving device is connected with the swing gears through a driving gear. The gear driving device can be a hydraulic driving device or an electric motor.
The mounting seat is in a box shape with vertical guide surfaces arranged on the left side and the right side, and the vertical guide surfaces on the left side and the right side of the mounting seat play a role in guiding in the working process.
The construction method of the double-wheel milling and stirring device for foundation treatment and vertical anti-seepage treatment is characterized by comprising the following steps of:
the first step is as follows: the swing arm driving device drives the left swing arm and the right swing arm to swing towards the folding direction, the left milling and stirring wheel and the right milling and stirring wheel are driven to move to the left and the right side by side, and the left hydraulic driving device and the right hydraulic driving device work to drive the left milling and stirring wheel and the right milling and stirring wheel to rotate;
the second step is that: opening the mud pipe and the air pipe, and then moving the left milling and stirring wheel and the right milling and stirring wheel downwards to perform milling and stirring construction on the soil body;
the third step: when the left milling and stirring wheel and the right milling and stirring wheel move downwards to a set depth, the swing arm driving device drives the left swing arm and the right swing arm to swing towards a separation direction, and drives the left milling and stirring wheel and the right milling and stirring wheel to move until the axial distance between the left milling and stirring wheel and the right milling and stirring wheel is 2-4 times of the diameter of the left milling and stirring wheel; the left milling and stirring wheel and the right milling and stirring wheel do not stop rotating.
The fourth step: the left milling and stirring wheel and the right milling and stirring wheel move upwards to perform milling and stirring construction on the soil body;
the fifth step: and moving the milling connecting rod along the construction direction by a distance which is at least 3-5 times of the diameter of the left milling stirring wheel, and then repeating the first step.
The milling process of the invention has no eccentric load, thus avoiding the reciprocating movement of jumping, and the milling work of more than 4 unit lengths (the diameter and the length of 4 left milling stirring wheels) is completed by one up-down reciprocating; therefore, the moving efficiency and the effective stirring efficiency are improved by 100 percent, the work which is finished twice by the original traditional process is finished once at present, and the invention has the advantages of simple structure, low cost, high working efficiency, reliable work and the like.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a sectional view taken along line a-a of fig. 1.
Fig. 3 is a schematic structural view of the left swing arm and the right swing arm of the present invention after swinging in a separating direction.
Fig. 4 is a schematic view of the structure of the present invention when mounted on a host computer.
Fig. 5 is a schematic diagram of the left milling and stirring wheel and the right milling and stirring wheel moving downwards during the construction of the invention, and performing milling and stirring construction on soil.
Fig. 6 is a schematic diagram of the left milling and stirring wheel and the right milling and stirring wheel moving upwards to perform milling and stirring construction on soil in the construction process.
Detailed Description
The double-wheel milling and stirring device for foundation treatment and vertical anti-seepage treatment as shown in fig. 1-3 is provided with a guide mounting frame 1 for connecting with a main machine 14, and the upper side of the guide mounting frame 1 is provided with a liftable connecting device 0, and the connecting device 0 is a fixed pulley as can be seen from the figure. A pressurizing winch 2 is arranged in the guide mounting frame 1, a hollow milling connecting rod 3 is arranged on the lower side of the guide mounting frame 1, and a hydraulic oil pipe 4, a grouting pipe 5 and an air pipe are fixedly arranged in the milling connecting rod 3 and are respectively used for providing power for a hydraulic driving device, injecting cement paste and injecting compressed air for improving the stirring effect; the above structure is the same as the prior art and is not described in detail. The invention is characterized in that: the lower end of the milling connecting rod 3 is provided with a mounting seat 13, the mounting seat 13 is hinged with a left swing arm and a right swing arm 9 which are symmetrical by the axis of the milling connecting rod and can swing left and right, and a swing arm driving device is arranged and can drive the left swing arm and the right swing arm 9 to swing and position; as can be seen from the figure, the structure of the swing arm driving device is as follows: the right side of the left swing arm is hinged with the lower end part of the left transmission connecting rod, the left side of the right swing arm 9 is hinged with the lower end part of the right transmission connecting rod 7, a driver capable of driving the upper ends of the left transmission connecting rod and the right transmission connecting rod 7 to move up and down is arranged in a mounting seat 13 between the left swing arm and the right swing arm 9, and the upper ends of the left transmission connecting rod and the right transmission connecting rod 7 are connected with the output end of the driver; the driver is a hydraulic oil cylinder 6, is arranged in the mounting seat 13 between the left swing arm and the right swing arm 9 and is positioned above the left swing arm and the right swing arm 9; the upper ends of the left transmission connecting rod and the right transmission connecting rod 7 are hinged with a piston rod of the hydraulic oil cylinder 6; the driver can also be a lead screw, and the upper ends of the left transmission connecting rod and the right transmission connecting rod are hinged with a nut of the lead screw. The lower ends of the left swing arm and the right swing arm are respectively provided with a left hydraulic driving device, a left milling and stirring wheel, a right hydraulic driving device 11 and a right milling and stirring wheel 10, the left hydraulic driving device is connected with the left milling and stirring wheel and used for driving the left milling and stirring wheel to rotate, and the right hydraulic driving device 11 is connected with the right milling and stirring wheel 10 and used for driving the right milling and stirring wheel to rotate; the left milling and stirring wheel and the right milling and stirring wheel 10 can adjust the wheel spacing between the left milling and stirring wheel and the right milling and stirring wheel under the driving control of the swing arm driving device (the swing arm driving device drives the left swing arm and the right swing arm to swing symmetrically left and right); swing arm drive arrangement drive left swing arm and right swing arm are to folding the direction swing, can drive left side mill the stirring wheel and mill the stirring wheel with the right side and remove about the two and close to side by side, promptly: the distance between the shafts of the left milling and stirring wheel and the right milling and stirring wheel 10 is 1-1.5 times, preferably 1.01 times of the diameter of the left milling and stirring wheel; swing arm drive arrangement drive left swing arm and right swing arm swing to the direction of separation, can drive left side mill the churn and mill the churn with the right side and remove to the left side and mill the churn and mill the axle spacing of churn and right side and mill the churn and be 2-4 times, preferred 3-3.05 times of left side mill the churn diameter, promptly: the distance between the left side edge of the left milling and stirring wheel and the right side edge of the right milling and stirring wheel is 3-5 times of the diameter of the left milling and stirring wheel; the left milling and stirring wheel and the right milling and stirring wheel have the same diameter. The lower end of the hydraulic oil pipe 4 is respectively connected with the left hydraulic driving device and the right hydraulic driving device 11 to provide hydraulic power for the left hydraulic driving device and the right hydraulic driving device.
The invention is further improved, the left milling and stirring wheel comprises a left front milling and stirring wheel and a left rear milling and stirring wheel, and the right milling and stirring wheel comprises a right front milling and stirring wheel and a right rear milling and stirring wheel; the left hydraulic driving device comprises a left front hydraulic driving device and a left rear hydraulic driving device, the right hydraulic driving device comprises a right front hydraulic driving device and a right rear hydraulic driving device, the left front hydraulic driving device is connected with the left front milling and stirring wheel, the left rear hydraulic driving device is connected with the left rear milling and stirring wheel, the right front hydraulic driving device is connected with the right front milling and stirring wheel, and the right rear hydraulic driving device is connected with the right rear milling and stirring wheel. The left front milling and stirring wheel and the left rear milling and stirring wheel are symmetrically arranged on the front side and the rear side of the left swing arm in a back-to-back mode, the right front milling and stirring wheel and the right rear milling and stirring wheel are symmetrically arranged on the front side and the rear side of the right swing arm 9 in a back-to-back mode, the milling and stirring width (distance in the front-to-back direction) of the soil body can be increased, the installation seat and the milling connecting rod are located above the left milling and stirring wheel and the right milling and stirring wheel, and the left front milling and stirring wheel and the right rear milling and stirring wheel can move downwards and enter the soil body more easily. The left hydraulic driving device and the right hydraulic driving device (in the axial direction) are respectively positioned in the blades of the left milling stirring wheel and the right milling stirring wheel, the resistance of the left hydraulic driving device and the right hydraulic driving device in the soil body is small, and the required power is small.
The invention is further improved, the mounting seat 13 is integrally rectangular box-shaped, the left side and the right side are vertical guide surfaces, and the swing arm driving device is arranged in the mounting seat; the left and right sides of the lower part of the mounting seat and the middle part of the front and back direction are respectively provided with a left swing arm hinge groove with open left side and lower side and a right swing arm hinge groove 8 with open right side and lower side, and a left swing arm and a right swing arm 9 are respectively inserted into the left swing arm hinge groove and the right swing arm hinge groove 8 and are hinged with the side wall of the mounting seat through a swing arm shaft 12. And a left transmission connecting rod running port and a right transmission connecting rod running port which are arranged in the vertical direction and are in a long strip shape are respectively arranged on the left side wall and the right side wall of the mounting seat between the left swing arm hinge groove and the right swing arm hinge groove, the left transmission connecting rod penetrates through two ends of the left transmission connecting rod running port to be respectively hinged with the left swing arm and the swing arm driving device, and the right transmission connecting rod penetrates through two ends of the right transmission connecting rod running port to be respectively hinged with the right swing arm and the swing arm driving device. This structure mount pad assembly is simple and convenient, and the vertical guide surface of the left and right sides mills when the stirring wheel moves upwards at left side and right side milling stirring wheel, plays the effect of direction to its direction of motion.
The construction method of the double-wheel milling and stirring device for foundation treatment and vertical anti-seepage treatment, as shown in fig. 5 and 6, comprises the following steps:
the first step is as follows: the swing arm driving device drives the left swing arm and the right swing arm to swing towards the folding direction, the left milling and stirring wheel and the right milling and stirring wheel are driven to move to the left side and the right side of the left swing arm and the right swing arm and are parallel to each other, the axial distance between the left milling and stirring wheel and the right milling and stirring wheel is 1-1.02 times of the diameter of the left milling and stirring wheel, and the left hydraulic driving device and the right hydraulic driving device work to drive the left milling and stirring wheel and the right milling and stirring wheel to rotate;
the second step is that: opening an air pump and an injection pump, and then moving a left milling stirring wheel and a right milling stirring wheel downwards to perform milling and stirring construction on the soil body; as shown in fig. 5, the constructed soil 15 and the non-constructed soil 16.
The third step: when the left milling and stirring wheel and the right milling and stirring wheel move downwards to a set depth, the swing arm driving device drives the left swing arm and the right swing arm to swing towards a separation direction, and drives the left milling and stirring wheel and the right milling and stirring wheel to move until the axial distance between the left milling and stirring wheel and the right milling and stirring wheel is 3-3.05 times of the diameter of the left milling and stirring wheel; the left milling and stirring wheel and the right milling and stirring wheel do not stop rotating.
The fourth step: the left milling and stirring wheel and the right milling and stirring wheel move upwards to perform milling and stirring construction on the soil body; as shown in fig. 6, in this step, the left side of the left milling and stirring wheel is the constructed soil 15 which has completed construction, the pressure of the constructed soil 15 on the left side of the left milling and stirring wheel is less than the pressure of the un-constructed soil 16 on the right side of the right milling and stirring wheel, the left sides of the left milling and stirring wheel and the right milling and stirring wheel are unevenly stressed and easily deviate to the left, and at this time, the vertical guide surfaces on the left side and the right side of the mounting seat are matched with the un-constructed soil 16 to play a role in balancing lateral pressure guide.
The fifth step: the milling connecting rod is moved (leftwards or rightwards) along the construction direction by a distance 4-4.05 times the diameter of the left milling stirring wheel, and then the first step is repeated.
When the invention is used, as shown in figure 4, a connecting device is connected with a traction rope of a main machine 14 (a main machine of a pile driving frame), one side of a guide mounting frame can slide up and down and is connected to a slideway of a vertical pile frame of the main machine 14 for guiding the guide mounting frame, a hydraulic oil pipe is connected with a hydraulic system of the main machine, a grouting device and an air pump are arranged on the main machine, the grouting device is connected with a grouting pipe through a pipeline, the air pump is connected with an air pipe through a conduit, and a pressurizing winch is connected with the bottom of the main machine. The host machine 14 drives the invention to move left and right, move up and down and work, and the connection and driving mode is the same as that of the existing milling and stirring device for foundation treatment and vertical seepage-proofing treatment. The invention avoids the reciprocating movement of jumping without eccentric load in the milling and stirring process, and the milling work of 4 unit lengths (the diameter lengths of 4 left milling and stirring wheels or right milling and stirring wheels) is completed by one up-down reciprocating; therefore, the moving efficiency and the effective stirring efficiency are improved by 100 percent, the work completed twice by the original traditional process is completed once, and the invention has the advantages of simple structure, low cost, high working efficiency, reliable work and the like.
Claims (9)
1. A double-wheel milling and stirring device for foundation treatment and vertical anti-seepage treatment is provided with a guide mounting frame, wherein a liftable connecting device is arranged on the upper side of the guide mounting frame, a pressurization winch is arranged in the guide mounting frame, a milling connecting rod is arranged on the lower side of the guide mounting frame, a hydraulic oil pipe, a grouting pipe and an air pipe are arranged on the milling connecting rod, and the double-wheel milling and stirring device is characterized in that a mounting seat is arranged at the lower end of the milling connecting rod, a left swing arm and a right swing arm which can swing left and right are hinged on the mounting seat, a swing arm driving device is arranged on the mounting seat or the milling connecting rod, and the swing arm driving device can drive the left swing arm and the right swing arm to swing; the lower ends of the left swing arm and the right swing arm are respectively provided with a left hydraulic driving device, a left milling and stirring wheel, a right hydraulic driving device and a right milling and stirring wheel, the left hydraulic driving device is connected with the left milling and stirring wheel, and the right hydraulic driving device is connected with the right milling and stirring wheel; the left milling and stirring wheel and the right milling and stirring wheel can adjust the wheel spacing of the left milling and stirring wheel and the right milling and stirring wheel under the driving control of the swing arm driving device; the lower end of the hydraulic oil pipe is respectively connected with the left hydraulic driving device and the right hydraulic driving device.
2. The double-wheel milling and stirring device for foundation treatment and vertical anti-seepage treatment according to claim 1, wherein the swing arm driving device drives the left swing arm and the right swing arm to swing in the folding direction, so as to drive the left milling and stirring wheel and the right milling and stirring wheel to move to be parallel left and right, and the axial distance between the left milling and stirring wheel and the right milling and stirring wheel is greater than the diameter of the left milling and stirring wheel; the swing arm driving device drives the left swing arm and the right swing arm to swing towards the separation direction, and can drive the left milling and stirring wheel and the right milling and stirring wheel to move until the distance between the shafts of the left milling and stirring wheel and the right milling and stirring wheel is 2-4 times of the diameter of the left milling and stirring wheel.
3. The double-wheel milling and stirring device for foundation treatment and vertical anti-seepage treatment according to claim 1, wherein the left milling and stirring wheel comprises a left front milling and stirring wheel and a left rear milling and stirring wheel, and the right milling and stirring wheel comprises a right front milling and stirring wheel and a right rear milling and stirring wheel.
4. The double-wheel milling and stirring device for foundation treatment and vertical anti-seepage treatment according to claim 1, wherein the left hydraulic driving device comprises a left front hydraulic driving device and a left rear hydraulic driving device, the right hydraulic driving device comprises a right front hydraulic driving device and a right rear hydraulic driving device, the left front hydraulic driving device is connected with the left front milling and stirring wheel, the left rear hydraulic driving device is connected with the left rear milling and stirring wheel, the right front hydraulic driving device is connected with the right front milling and stirring wheel, and the right rear hydraulic driving device is connected with the right rear milling and stirring wheel.
5. The double-wheel milling and stirring device for foundation treatment and vertical anti-seepage treatment according to claim 1, wherein the swing arm driving device is structured as follows: the right side of the left swing arm is hinged with a left transmission connecting rod, the left side of the right swing arm is hinged with a right transmission connecting rod, the swing arm driving device is provided with a driver which can drive the other ends of the left transmission connecting rod and the right transmission connecting rod to move up and down on a mounting seat or a milling connecting rod between the left swing arm and the right swing arm, and the other ends of the left transmission connecting rod and the right transmission connecting rod are connected with the output end of the driver.
6. The double-wheel milling and stirring device for foundation treatment and vertical anti-seepage treatment as claimed in claim 5, wherein the driver is a hydraulic oil cylinder or an air cylinder.
7. The double-wheel milling and stirring device for foundation treatment and vertical seepage-proofing treatment according to claim 5, wherein the driver is a lead screw.
8. The double-wheel milling and stirring device for foundation treatment and vertical anti-seepage treatment according to claim 1, wherein the mounting seat is in a box shape with vertical guide surfaces arranged on the left side and the right side, and the vertical guide surfaces on the left side and the right side of the mounting seat play a role in guiding in the working process.
9. The construction method of the double-wheel milling and stirring device for foundation treatment and vertical anti-seepage treatment according to claim 1 is characterized by comprising the following steps:
the first step is as follows: the swing arm driving device drives the left swing arm and the right swing arm to swing towards the folding direction, the left milling and stirring wheel and the right milling and stirring wheel are driven to move to the left side and the right side and be parallel, and the left hydraulic driving device and the right hydraulic driving device work to drive the left milling and stirring wheel and the right milling and stirring wheel to rotate;
the second step: opening the mud pipe and the air pipe, and then moving the left milling and stirring wheel and the right milling and stirring wheel downwards to perform milling and stirring construction on the soil body;
the third step: when the left milling and stirring wheel and the right milling and stirring wheel move downwards to a set depth, the swing arm driving device drives the left swing arm and the right swing arm to swing towards a separation direction, and drives the left milling and stirring wheel and the right milling and stirring wheel to move until the axial distance between the left milling and stirring wheel and the right milling and stirring wheel is 2-4 times of the diameter of the left milling and stirring wheel;
the fourth step: the left milling and stirring wheel and the right milling and stirring wheel move upwards to perform milling and stirring construction on the soil body;
the fifth step: and moving the milling connecting rod along the construction direction by a distance which is at least 3-5 times of the diameter of the left milling stirring wheel, and then repeating the first step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010064846.7A CN111155582B (en) | 2020-01-20 | 2020-01-20 | Double-wheel milling and stirring device for foundation treatment and vertical seepage-proofing treatment and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010064846.7A CN111155582B (en) | 2020-01-20 | 2020-01-20 | Double-wheel milling and stirring device for foundation treatment and vertical seepage-proofing treatment and construction method |
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| CN111155582B true CN111155582B (en) | 2022-07-15 |
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Citations (4)
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| CN101440626A (en) * | 2007-11-22 | 2009-05-27 | 北京市三一重机有限公司 | Swing type deviation rectifying apparatus |
| CN104018534A (en) * | 2014-05-14 | 2014-09-03 | 石午江 | Motor-driven milling and slotting wall former |
| CN108487235A (en) * | 2018-05-28 | 2018-09-04 | 江苏科弘岩土工程有限公司 | A kind of hydraulic pressure two-wheel milling depth blender |
| CN110468897A (en) * | 2019-08-22 | 2019-11-19 | 山河智能装备股份有限公司 | Two-wheel flute milling machine and its guide rod |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2960570B1 (en) * | 2010-05-25 | 2013-06-14 | Soletanche Freyssinet | WALL FORMED IN A SOIL, COMPRISING A HOLLOW PREFABRICATED ELEMENT, AND METHOD OF MAKING SUCH A WALL |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101440626A (en) * | 2007-11-22 | 2009-05-27 | 北京市三一重机有限公司 | Swing type deviation rectifying apparatus |
| CN104018534A (en) * | 2014-05-14 | 2014-09-03 | 石午江 | Motor-driven milling and slotting wall former |
| CN108487235A (en) * | 2018-05-28 | 2018-09-04 | 江苏科弘岩土工程有限公司 | A kind of hydraulic pressure two-wheel milling depth blender |
| CN110468897A (en) * | 2019-08-22 | 2019-11-19 | 山河智能装备股份有限公司 | Two-wheel flute milling machine and its guide rod |
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| CN111155582A (en) | 2020-05-15 |
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