CN111441340A - Construction method for prefabricating and quickly assembling underground continuous wall and applied mechanical equipment - Google Patents
Construction method for prefabricating and quickly assembling underground continuous wall and applied mechanical equipment Download PDFInfo
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- CN111441340A CN111441340A CN202010341138.3A CN202010341138A CN111441340A CN 111441340 A CN111441340 A CN 111441340A CN 202010341138 A CN202010341138 A CN 202010341138A CN 111441340 A CN111441340 A CN 111441340A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/20—Bulkheads or similar walls made of prefabricated parts and concrete, including reinforced concrete, in situ
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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
- E02F5/06—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with digging elements mounted on an endless chain
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Abstract
The invention relates to a construction method for prefabricating and quickly assembling an underground continuous wall and mechanical equipment for construction application of the underground continuous wall. The mechanical equipment can be used for simultaneously constructing, milling and digging wall grooves and simultaneously hoisting, assembling and pressing in precast blocks, the two processes are not interfered with each other, the connection is orderly, the time is short, the speed is high, the field slurry retaining wall replacement is not needed, the collapse of the wall of the groove is avoided, and the construction speed is higher than that of the traditional process method and equipment, and the mechanical equipment is more economic and more environment-friendly.
Description
Technical Field
The invention relates to a quick assembling construction method for underground continuous wall prefabrication and application mechanical equipment, namely, the equipment of the invention is that a prefabricated continuous wall wallboard is assembled and pressed into a groove pit while excavating and advancing at the same time by following the excavation of a groove on a mechanical shovel, and the equipment is very suitable for various underground continuous wall engineering. The construction method of the underground diaphragm wall by applying the mechanical equipment and the construction method thoroughly changes the traditional construction process method of the underground diaphragm wall, does not need to arrange a mud pit on site to replace a protective wall, does not need to bind and hoist a reinforcing cage on site in a large amount, and has higher construction speed, more economy and more environmental protection compared with the prior common process method and equipment.
Background
With the prosperous society and the development of the construction industry, the application of the underground continuous wall body in construction projects is wider, the construction process of the traditional operation of the existing excavation type underground continuous wall basically adopts professional mechanical excavation combined with slurry wall protection to form a groove, hoisting equipment is used for hoisting a reinforcement cage after the groove is cleaned, and finally a method of pouring a large amount of concrete in a reproduction field is used for forming the underground continuous wall. In order to overcome the defects of the equipment and the process, the invention particularly creates a mechanical equipment for constructing the underground continuous wall by adopting a prefabricated rapid assembling process method.
Disclosure of Invention
The invention relates to a construction method for prefabricating and quickly assembling an underground continuous wall and mechanical equipment for construction application of the underground continuous wall. The mechanical equipment can be used for simultaneously constructing, milling and digging wall grooves and simultaneously hoisting, assembling and pressing in precast blocks, the two processes are not interfered with each other, the connection is orderly, the time is short, the speed is high, the field slurry retaining wall replacement is not needed, the collapse of the wall of the groove is avoided, and the construction speed is higher than that of the traditional process method and equipment, and the mechanical equipment is more economic and more environment-friendly.
The construction method for prefabricating and quickly assembling the underground continuous wall body disclosed by the invention comprises the following steps of:
a construction method for quickly assembling the continuous underground wall includes such steps as dividing the continuous underground wall into several prefabricated reinforced concrete blocks, excavating wall slots while assembling the blocks above the milling hopper, and mechanically pressing the prefabricated blocks in the slots. After all the prefabricated blocks on the same step of the wall body are completely pressed in, the core holes reserved in the middle of the longitudinal prefabricated blocks of the step can be filled, the filling can be reinforced and poured with cement paste or fine stone concrete according to the structural design requirements so as to enhance the longitudinal connectivity and the overall rigidity of each prefabricated block of the underground continuous wall, and the prefabricated block assembly joint forms longitudinal and transverse reserved holes and is filled with expansive and impervious cement paste in advance.
Process flow
Construction preparation, measurement and lofting, mechanical positioning, wall groove excavation, prefabricated block filling, prefabricated block pressing, core filling and grouting (reinforcing rib inserting), maintenance
Preparation for construction
Constructors must prepare construction drawings, know the field environment, clarify the construction position, determine the mechanical path and direction, and plan the arrangement of materials in place.
Survey lofting
And (4) measuring and placing the projection center positioning pile of the horizontal plane of the underground wall and the wall groove side line of the wall on site according to a construction drawing.
Mechanical seating
After the measurement and lofting are finished, the construction machine is moved to the construction starting point position to be in place, 4 small hydraulic rods are started to initially level the machine, then a guide frame driving motor is started to drive a guide frame on a vertical frame, so that the end part and the vertical surface of the guide frame are aligned to the same vertical surface with a wall slot, if deviation exists, a large hydraulic rod capable of adjusting 4 angles can be started to accurately level, so that the whole machine is lifted off the ground, an adjusting support is in a horizontal state, the vertical frame and the adjusting support are always kept vertical, the shaft driving motor is started to drive a free platform, so that parallel sawteeth are perpendicular to the axis direction of the wall slot, and then a shaft driving motor is switched to drive a moving central shaft, so that the guide frame is,
wall groove excavation
After the alignment in place is finished, the free platform is rotated to align the parallel sawteeth with the vertical frame on the same vertical plane, then a large hydraulic rod for adjusting 4 corners of the support is supported on the ground to adjust the support to be in a horizontal state, a chain driving motor is started to drive a milling groove bucket to begin to mill and dig a wall groove, meanwhile, a guide frame is driven to extend downwards into the soil, a central shaft of mechanical equipment advances along the guiding and traction lower digging edge of a single-side sawtooth groove on the adjustment support, the central shaft advances from one end of the sawtooth groove to the other end (namely the length of wall groove excavation), then the large hydraulic rod is slowly retracted to land wheels, meanwhile, the small hydraulic rod is slowly adjusted to keep the mechanical vertical stand unchanged, then the driving motor of the central shaft rotates reversely to drive the single-side sawtooth groove to enable the adjustment support to advance forwards, and after the single-side sawtooth groove advances from one section to the other end, the large hydraulic rod is started to adjust, the subsequent steps repeat the previous operations.
Filling precast block
After the guide frame enters a certain depth of the soil layer, the prefabricated block can be lifted by using the lifting rod to start to be occluded, spliced and filled into the wall groove, the prefabricated block is placed on the supporting wheel and descends along with the guide frame, the prefabricated block can be additionally filled after the prefabricated block also descends to one layer, and the prefabricated block can be spliced and filled along with the guide frame after the guide frame further advances along the axial direction of the wall groove to expose a vacant position.
The prefabricated blocks A and B are designed and prefabricated by professional manufacturers, the prefabricated blocks A and B can be mutually engaged by concave-convex tongues to enhance the connection rigidity of the wall, the contact surface can be designed by grouting and water stopping after splicing and reserving holes, the contact surface can be designed by splicing and splicing water-swelling adhesive water-stopping strips reserved for 24 hours, the specifications can be designed by adopting 600 × 200mm, 800 × 200mm, 600 × 180mm, 800 × 180mm and the like, the prefabricated block concrete can be designed by adopting C25, C30 and C35 grades, and two designs of reinforcing bars and non-reinforcing bars can be adopted in the prefabricated blocks according to the use functions and different positions.
Press-in precast block
When the wall slot excavates certain degree of depth, the prefabricated section concatenation is filled certain degree of depth, if can't descend utilizing the gravity of prefabricated section self, can make the prefabricated section descend to the design depth of wall body with the help of the supplementary packing of hydraulic frame of machinery rear end.
Core filling grouting (insert reinforcing rib)
After the mechanical construction is advanced for a certain distance, wall groove excavation and precast block filling of a rear wall body reach the designed depth, grouting slurry can be started in the wall precast block which is constructed in the past, the grouting is divided into two types, firstly, a reinforcing steel bar is inserted into a reinforcing hole with a large middle part, then, micro-expansion concrete slurry is poured, the connecting force among the precast blocks is mainly enhanced, the integral strength and the rigidity of the wall body are enhanced, and finally, the micro-expansion concrete slurry is poured into a small hole which is reserved on the connecting surface of another adjacent splicing precast block (if a chemical expansion bonding strip which meets water for 24 hours is arranged in the small hole of the butt joint of the precast blocks, the grouting can be avoided), so that the concrete slurry flows through each butt joint which goes deep into the precast blocks, and the wall body is firmer and leakage.
Maintaining
When the slurry of the precast block is filled and seeped to the ground, the process can be finished, and the slurry can be naturally maintained by using the humidity in the underground water or the soil after the slurry is completely filled and seeped to the ground.
The invention discloses a mechanical equipment description for underground continuous wall construction application:
a machine for underground continuous wall construction mainly comprises an equipment base part, a groove milling device and an auxiliary control system.
The equipment base part is composed of a frame (41), an adjusting support (15), a free bearing platform (10), a connecting bearing platform (12), a vertical frame bearing platform (19), a frame bearing platform (61) and a central shaft (25) connected with the frame bearing platform.
2 wheels (45) are respectively installed at the front and the rear of the bottom end of the frame (41), wherein a wheel shaft gear (44) is arranged on a wheel shaft connected with the 2 wheels, a wheel motor (42) is arranged beside the wheel shaft gear (44) to drive the machine to run in a non-working state, and the wheel motor (42) is fixedly connected with the frame (41). The universal base (56) is installed at the center of the top of the frame (41), the universal base (56) is connected with a support of the central shaft (25) through a frame ball bearing ring (18), so that the central shaft (25) connected with the universal base (56) cannot move along the axial direction of the central shaft and can only freely rotate on a plane perpendicular to the axial center, but can bear larger axial pressure and tensile force, and meanwhile, the universal base (56) at the top of the frame (41) can enable the central shaft (25) connected with the universal base (56) to swing around the center of a ball of the universal base (56) in any direction within a certain angle range above the frame (41). A double bearing ring (60) is arranged on the central shaft (25) above the frame bearing ball ring (18) and connected with a frame bearing platform (61), the limitation enables the frame bearing platform (61) to rotate only by the central shaft (25) and not move up and down along the axial direction of the central shaft (25), the double bearing ring (60) can bear larger tensile force and pressure in the axial direction, and the double bearing ring is formed by embedding a plurality of ball balls between three basic opposite bearing platforms to keep the three bearing platforms to rotate freely and can bear and transmit the mutual acting force among the three bearing platforms.
The frame bearing platform (61) is connected with the top of the bottom frame (41) through the small hydraulic rod (57), the upper end and the lower end of the small hydraulic rod (57) are movably connected with the bottom of the frame bearing platform (61) and the top of the frame (41) through the small universal joint (58), and when the small hydraulic rod (57) is adjusted, two hydraulic rods at opposite angles need to be adjusted at the same time and need to be adjusted oppositely (namely, one hydraulic rod is lifted and the other hydraulic rod is lowered).
The middle part of the central shaft (25) is provided with a cylindrical connecting bearing platform (12) in a plane vertical to the axial direction of the central shaft, and the connecting bearing platform (12) and the central shaft (25) are fixed and can not rotate in any direction.
The connecting bearing platform (12) is connected with the free bearing platform (10) on the top surface of the connecting bearing platform by adopting a free bearing platform ball ring (17), so that the two connected bearing platforms can not move along the axial direction of the central shaft (25), can only freely rotate around the center of the central shaft (25) in the plane perpendicular to the axial direction of the respective bearing platform, but can bear larger axial pressure and tensile force.
An inner toothed ring (22) is designed on the inner ring of a free bearing platform (10) close to a central shaft (25) and is meshed with a transmission gear (23) arranged on the central shaft (25) correspondingly, the transmission gear (23) is fixedly connected with the central shaft (25) by a bearing (55), so that the transmission gear (23) can freely rotate around the central shaft (25), an electromagnetic coil group lantern ring (14) is arranged on the central shaft (25) at the upper part of the transmission gear (23), a clamping groove (54) is designed between the electromagnetic coil group lantern ring (14) and the central shaft (25) for connecting, so that the electromagnetic coil group lantern ring (14) can only axially slide along the central shaft (25) and cannot rotate, a spring (8) is arranged between the electromagnetic coil group lantern ring (14) and the transmission gear (23), a cathode-anode conducting ring (9) and an electric brush (35) matched with the cathode-anode conducting, the central shaft (25) drives the electromagnetic coil group lantern ring (14) to rotate together, and meanwhile, the electric brush (35) is electrified and conducted to the cathode and anode conducting ring (9) to enable the electromagnetic coil group lantern ring (14) to be electrified to generate a magnetic field to enable the electromagnetic coil group lantern ring to move axially along the central shaft (25) to adsorb the transmission gear (23) to rotate integrally, so that the meshed inner gear ring (22) can be driven to rotate to enable the free bearing platform (10) to rotate integrally.
A rectangular adjusting support (15) is designed at the lower part of the connecting bearing platform (12), a rectangular single-side sawtooth groove (40) is designed on a central axis in one direction in the middle of the adjusting support (15), the single-side sawtooth groove (40) is meshed with a translation gear (37) installed on a central axis (25) with the center passing through, the translation gear (37) is fixedly connected with the central axis (25) by a bearing (55), so that the translation gear (37) can freely rotate around the central axis (25), an electromagnetic coil group lantern ring (14) is arranged on the central axis (25) at the lower part of the translation gear (37), a clamping groove (54) is designed between the electromagnetic coil group lantern ring (14) and the central axis (25) for connecting, so that the electromagnetic coil group lantern ring (14) can only slide along the axial direction of the central axis (25) and can not rotate, a spring (8) is arranged between the electromagnetic coil group lantern ring (14), one end of the electromagnetic coil group lantern ring (14) is provided with a cathode-anode conducting ring (9) and an electric brush (35) matched with the cathode-anode conducting ring, the central shaft (25) drives the electromagnetic coil group lantern ring (14) to rotate together, and meanwhile, the electric brush (35) is conducted to the cathode-anode conducting ring (9) to enable the electromagnetic coil group lantern ring (14) to be electrified to generate a magnetic field to enable the electromagnetic coil group lantern ring to move axially along the central shaft (25) to adsorb the translation gear (37) to rotate integrally, so that the single-side sawtooth groove (40) meshed with the electromagnetic coil group lantern ring correspondingly is.
The outer sides of two long sides of a rectangular single-side sawtooth groove (40) in the middle of an adjusting support (15) are parallelly provided with 2 sliding grooves (39) with protruding surface notches facing inwards in parallel, the inner sides of the sliding grooves (39) are provided with 2L-shaped sliding strips (13) corresponding to buckling and meshing, the sliding strips can freely slide along the sliding grooves (39) in a single direction, and the upper ends of the 2L-shaped sliding strips (13) are connected and fixed with the lower bottom surface of a free bearing platform (10).
The adjusting support (15) is characterized in that the outer 4 corners of the adjusting support (15) are respectively provided with large hydraulic rods (46) in an installing and connecting mode, the lower end of each large hydraulic rod (46) telescopic joint is provided with a base plate (20) in an installing and connecting mode, the base plates (20) are connected with the lower ends of the large hydraulic rods (46) telescopic joints through spherical universal joints (21), and the base plates (20) swing in any direction within a certain angle range around the spherical centers of the universal joints (21).
A shaft drive gear (16) is fixedly arranged at the topmost upper end of the central shaft (25), a shaft drive motor (38) is arranged beside the shaft drive gear (16) for driving, and the shaft drive gear is fixedly connected with the free bearing platform (10).
The free bearing platform (10) is connected with the vertical frame bearing platform (19) above the top surface of the free bearing platform by the vertical frame bearing ball ring (11), so that the two connected bearing platforms cannot move along the axial direction of the central shaft (25), can only freely rotate around the center of the central shaft (25) in the plane perpendicular to the axial direction of each bearing platform, but can bear larger axial pressure and tensile force. The vertical frame bearing platform (19) can be used as a normal working platform to be added with various detection observation instruments or office supplies and the like, and a groove milling device is arranged right above the middle of the top surface of the vertical frame bearing platform (19).
The groove milling device mainly comprises a vertical frame (32), a guide frame (53), a groove milling hopper (5), an auxiliary simple hydraulic frame (51), a simple lifting frame (52), an intelligent control template (59) and the like.
The vertical frame (32) is arranged right above the middle of the top surface of a vertical frame bearing platform (19) and is overlapped with a vertical surface of the longitudinal center of a single-side sawtooth groove (40) to keep uniform correspondence, the vertical frame (32) is composed of 2 mesh frames, 2 double-screw guide rails (36) are respectively and fixedly arranged on the inner sides of the 2 mesh frames, a multi-section guide frame (53) which is connected in series is arranged in a rail groove between the inner sides of the 2 double-screw guide rails, supporting rods (1) are designed on the two sides of the guide frame (53) and are supported and clamped in the rail groove to axially slide along a rail, the inner side of an arc-shaped guide rail (6) is fixedly connected at the rear end of the 2 mesh frames of the vertical frame (32) and is provided with sawteeth, a movable connecting node is designed at the upper arc-shaped part of a straight-line rail at the rear end of the double-screw guide rail (36), a rail moving motor (47) is designed to be close to a section of the arc-, a linear track at the rear end of the double-screw guide rail (36) is provided with a guide frame driving motor (62) at the lower end thereof, and the guide frame driving motor is meshed with the guide frame side teeth (30) on the guide frame (53) to drive the guide frame (53) to extend and retract along the double-screw guide rail (36).
The outer side of each guide frame (53) is provided with guide frame side teeth (30), the guide frames (53) form a three-dimensional framework together by 4 guide frame side teeth (30), adjacent guide frames (53) are hinged by a support rod (1), so that two adjacent guide frames (53) can freely rotate around the axial center of the support rod (1) at a certain angle, chain wheels (26) are respectively and parallelly installed at the positions close to 2 guide frame side teeth (30) at the inner side between every two parallel guide frame side teeth (30), the chain wheels (26) are provided with transmission chains (2), the 2 parallel transmission chains (2) and the guide frame side teeth (30) are kept parallel and can transmit under the positioning of the chain wheels (26) around the guide frames (53), a plurality of milling groove hoppers (5) are respectively installed, connected and fixed at intervals of two side plates of the 2 transmission chains (2), and a certain distance is reserved between every 2 parallel and vertical milling groove hoppers (5) positioned at the outer side of the guide frames (53), the end parts of two side plates of each milling groove bucket (5) are respectively provided with a milling cutter (3), when the milling cutters (3) meet hard soil layers, the milling cutters can mill and cut the loosened soil firstly, and then the milling groove buckets (5) dig deeply.
2 feet in a tripod base of a V-shaped bracket (29) are fixedly installed and connected with a guide frame (53) in a gap between parallel and parallel milling groove hoppers (5), the V-shaped bracket (29) and the rest foot of the tripod base are hinged and connected and can freely rotate around a hinged shaft in the plane of the tripod base, an arc-shaped sliding groove (4) is designed on the tripod base, one end of the V-shaped bracket (29) is clamped in the arc-shaped sliding groove (4) and can slide along the track of the V-shaped bracket, a supporting wheel (28) is installed at the other free end of the V-shaped bracket (29), and the supporting wheel (28) can freely rotate around the wheel axle of the V-shaped bracket (29) in the plane. When the V-shaped bracket (29) extends along with the guide frame (53) and is far away from the end of the riding wheel (28) of the V-shaped bracket (29) separated from the stand (32), the end can rotate around the hinge shaft to be opened under the self-weight state. When a V-shaped bracket (29) (the V angle is designed to be smaller than 90 degrees) shrinks along with a guide frame (53) and passes through the arc part at the top end of the double-screw guide rail (36), the ends of the supporting wheels (28) can be folded and close to the milling groove bucket (5) under the limitation of the limiting spiral ring (31) and the self weight; when the riding wheel (28) is close to the milling groove bucket (5), the other end of the V-shaped bracket (29) just slides to the end part of the arc-shaped sliding groove (4).
The limiting screw ring (31) and the double-screw guide rail (36) are axially arranged in parallel and are connected and fixed with the vertical frame (32) by a positioning rod (34).
The mud baffle (27) is designed on the upper portion and the front portion of the vertical frame (32) respectively, the position of the mud baffle (27) needs to be designed on one side of a connecting point of the milling groove bucket (5) and the transmission chain (2), the mud baffle is arranged between the milling groove bucket (5) and the guide frame (53), soil and stones in the milling groove bucket are prevented from falling outside and below, the mud baffle (27) is fixedly connected with the vertical frame (32), the lower end of the front portion of the vertical frame (32) is provided with the unloading groove (33) to be connected with the mud baffle (27), and soil and stones which are missed on the mud baffle (27) or poured out in the milling groove bucket (5) are collected, collected and guided into the earth moving vehicle.
The equipment front end vertical frame (32) is provided with an auxiliary simple hydraulic frame (51), when the filled precast block can not fall down by utilizing self gravity, the auxiliary simple hydraulic frame (51) can be used for assisting in pressing the precast block, and the technical principle of the auxiliary simple hydraulic frame (51) is well understood and will not be described.
A simple lifting frame (52) is arranged on the mechanical rear top end stand (32) and used for assisting in lifting the A precast block (48) and the B precast block (50) which are designed and prefabricated by a professional manufacturer in a site to facilitate construction and installation, a lifting motor (24) is arranged on the lifting frame (52), and the technical principle of the simple lifting frame (52) is well understood and will not be described.
The underground continuous wall construction application mechanical equipment (as shown in figure 1) is characterized in that an auxiliary control system is intensively represented in an intelligent control template (59), and a control circuit is connected with an object and the control principle is as follows: when all construction preparations are made on site, measurement and lofting are finished, a power supply of a wheel motor (42) is switched on to start driving mechanical equipment to drive to the construction starting point of the underground continuous wall to be in place. Then, a control power supply of a solenoid group sleeve ring (14) corresponding to the translation gear (37) and a shaft driving motor (38) is switched on, so that a central shaft (25) (shown in figure 4) of the translation device can be driven to enable a guide frame (53) (shown in figure 6) and a wall slot (49) (shown in figure 2) to find alignment. When the large hydraulic rod (46) contracts and the backing plate (20) connected with the large hydraulic rod is suspended away from the ground, the control power supply of the other group of electromagnetic coil group lantern ring (14) corresponding to the transmission gear (23) and the shaft driving motor (38) is switched on, so that the guiding direction of the single-side sawtooth groove (40) in the middle of the adjusting support seat (15) can be changed. After the mechanical equipment is aligned and aligned with the wall slot, the equipment can be leveled, the large hydraulic rod (46) and the small hydraulic rod (57) (shown in figure 3) cannot work simultaneously, the equipment can be leveled (auxiliary leveling for short, the equipment cannot be used as final leveling after each advance or shift of the equipment) by operating a control button of the small hydraulic rod (57), and the equipment can be leveled (working leveling for short, and can be used as final leveling after each advance or shift of the equipment) by operating a control button of the large hydraulic rod (46). The two steps of alignment and leveling of the equipment are mutually contradictory and need to be operated repeatedly in a circulating way (the principle is the same as the repeated operation of alignment and leveling of the engineering measuring instrument), and the next procedure can be carried out until the alignment and leveling errors meet the precision requirement of the equipment. When the power supply of the guide frame driving motor (62) is connected, the guide frame (53) on the double-screw guide rail (36) can be driven to extend out and approach the ground slowly, and the power supply of the chain driving motor (43) is connected, the milling groove bucket (5) can be driven to mill and dig the wall groove (49). When the milling groove bucket (5) (shown in figure 5) begins to mill and dig the wall milling groove (49), for example, after the soil penetration depth of the guide frame at the construction starting point of the underground continuous wall reaches the designed elevation depth, the driving of the guide frame driving motor (62) can be stopped at the moment. Then, the power supply of the rail moving motor (47) can be started to slowly drive and match a section of linear track at the rear end of the double-screw guide rail (36) to form a certain angle with the vertical direction (namely, the guide frame (53) and the ground incline to form a certain angle along the central line direction of the wall slot), and meanwhile, the control power supply of a group of electromagnetic coil group lantern rings (14) corresponding to the translation gear (37) and the shaft driving motor (38) is switched on to slowly drive to enable the whole equipment to be translated forwards along the guiding direction of the single-side sawtooth slot (40) on the fixed supporting surface by taking the adjusting support (15) as a fixed supporting surface. In the construction process, after the guide frame driving motor (62) slowly drives the guide frame (53) to mill and dig to a designed depth and expose a section of wall groove, the hoisting motor (24) can be switched on to hoist the A precast block (48) and the B precast block (50) for field assembly, then the driving motor of the auxiliary hydraulic frame (51) is switched on to drive the pressed precast block to enter the wall groove, the equipment can be used for milling and digging the wall groove while being constructed, simultaneously hoist and assemble the pressed precast block, and the whole operation process and the process flow of the equipment are simple and clear.
The invention has the beneficial effects that:
1. the construction method and the device are applied to the construction of the underground diaphragm wall, the concrete construction quality is reliable and guaranteed, the construction efficiency is high, a large amount of binding and hoisting reinforcement cages and on-site pouring concrete are not needed on site, and the process and the device have higher construction speed and shorter construction period than the conventional process and device.
2. The mechanical equipment and the construction method are used for constructing the underground diaphragm wall, a slurry replacement pool does not need to be arranged on site according to the traditional process method, a large amount of waste slurry is not generated, the construction management of earthwork can realize fully-closed type excavation and transportation connection operation, no dust is raised on site, and the underground diaphragm wall is clean and environment-friendly.
3. The technical process and the method for constructing the underground continuous wall by applying the mechanical equipment and the construction method are simpler and more economic than the traditional process method, the whole process can realize mechanized site without a large amount of labor force, the underground continuous wall materials are all produced in a factory prefabrication flow mode, the quality is reliable and stable, and the cost is more economical than the traditional cost.
4. The design structure of the mechanical equipment can be further designed into a trench excavator, can be innovatively developed in the application of the ground wall body rapid prefabrication and assembly construction technology, and the like, and the bottom base frame can also be designed into crawler-type equipment according to actual needs.
Drawings
FIG. 1 is a schematic view of an underground continuous wall prefabrication rapid assembling construction equipment system
FIG. 2 schematic front and vertical surfaces of construction equipment for rapid assembling of underground continuous wall prefabrication
FIG. 3 is a schematic sectional view of an underground continuous wall prefabricated rapid assembling construction equipment
FIG. 4 detail view of central shaft assembly of construction equipment for rapid assembling of underground continuous wall prefabrication
FIG. 5 detail view of milling groove hopper of construction equipment for rapid assembly of underground continuous wall prefabrication
FIG. 6 is a detailed view of a guide frame of the underground continuous wall prefabricating and rapid assembling construction equipment.
Claims (1)
1. The construction method for the rapid assembly of the underground continuous wall body prefabrication and the mechanical equipment for the construction application of the underground continuous wall body can simultaneously construct, mill and dig wall slots and simultaneously lift, assemble and press prefabricated blocks, the two processes are not interfered with each other, the connection is orderly, the time is short, the speed is high, the replacement of slurry protection walls on site is not needed, the collapse of the wall slots is not caused, and the construction speed is higher than that of the traditional process method and equipment, and the construction method is more economic and more environment-friendly; the method mainly comprises the following two parts:
(1) the legend and characters described in the construction method description of the underground continuous wall prefabrication rapid assembly in the invention content of the description;
(2) the drawings and the text in the present specification describe mechanical equipment description for underground continuous wall construction applications.
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| CN202010341138.3A CN111441340A (en) | 2020-04-26 | 2020-04-26 | Construction method for prefabricating and quickly assembling underground continuous wall and applied mechanical equipment |
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| CN202010341138.3A CN111441340A (en) | 2020-04-26 | 2020-04-26 | Construction method for prefabricating and quickly assembling underground continuous wall and applied mechanical equipment |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101619573A (en) * | 2009-07-24 | 2010-01-06 | 徐州文鹏工程机械制造有限公司 | Machine for forming underground continuous water-retaining walls by one step |
| CN106948371A (en) * | 2017-04-06 | 2017-07-14 | 江苏科技大学 | A kind of method that grooving is cut native device and pipe gallery construction is carried out using it |
| CN107859030A (en) * | 2017-01-18 | 2018-03-30 | 王燏斌 | A kind of groover and its construction method for subterranean wall construction |
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2020
- 2020-04-26 CN CN202010341138.3A patent/CN111441340A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101619573A (en) * | 2009-07-24 | 2010-01-06 | 徐州文鹏工程机械制造有限公司 | Machine for forming underground continuous water-retaining walls by one step |
| CN107859030A (en) * | 2017-01-18 | 2018-03-30 | 王燏斌 | A kind of groover and its construction method for subterranean wall construction |
| CN106948371A (en) * | 2017-04-06 | 2017-07-14 | 江苏科技大学 | A kind of method that grooving is cut native device and pipe gallery construction is carried out using it |
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