CN117188553A - Self-locking earth continuous wall double-side rotary drilling transverse cutting circulation grooving method - Google Patents

Abstract

The invention discloses a self-locking double-side rotary drilling transverse cutting cyclic grooving method for a diaphragm wall, which comprises the following steps: arranging a pipeline fixing frame, a sludge treatment mechanism, a horizontal rotary drill assembly and a vertical drill device on the drilling machine; controlling the vertical drilling device to drill the soil vertically downwards to form a free section of the vertical wall connecting groove; controlling a rotary motor to drive a horizontal rotary drill device to outwards rotate on a horizontal plane to drill soil to form a semicircular horizontal cantilever plate groove; the translation assembly is controlled to drive the horizontal rotary drill device to drill and excavate soil to form a rectangular horizontal cantilever plate groove on the side part of the horizontal rotary drill steel frame on the horizontal plane; moving the horizontal rotary drill device to the middle of the horizontal rotary drill steel frame, rotating the horizontal rotary drill device into the horizontal rotary drill steel frame, and continuously controlling the vertical drill device to vertically drill down soil to form a built-in section of the vertical wall connecting wall groove; the underground diaphragm wall groove is drilled. The invention has the advantages that: the horizontal cantilever plate structure and the vertical wall body can be formed into a groove at one time.

Description

Self-locking earth continuous wall double-side rotary drilling transverse cutting circulation grooving method

Technical Field

The invention belongs to the field of earth continuous wall grooving machine equipment, and particularly relates to a self-locking earth continuous wall double-side rotary drilling transverse cutting cyclic grooving method.

Background

The underground continuous wall is a continuous reinforced concrete wall which is built by using a conduit method to irrigate underwater concrete section by section after a long and narrow deep groove is excavated downwards on the ground along the edge of the foundation engineering on the premise of mud wall protection and a reinforcement cage is removed and hung on the ground, and is mainly used as a water interception, seepage prevention, bearing and water retaining structure or as a foundation of a building.

The prior slotting technology mainly comprises a bucket type and a milling wheel type, and patent number CN 110258693A, namely a hydraulic grab bucket and underground continuous wall construction equipment, realizes the switching between the hydraulic grab bucket and the double-wheel milling through a movable buckle and a connecting piece, realizes one machine to be multipurpose, and drills underground continuous wall slots. In order to realize the construction of the underground continuous wall at low clearance, the patent number CN 114086618A of a modularized milling device for underground continuous wall construction is characterized in that each functional part of the underground continuous wall grooving equipment is modularized into a milling module, a pulp pumping module, a winding and hanging module and a fitting reel module, and the functional parts are sequentially connected with each other from front to back and paved on a track; the patent number CN115070953A 'grooving equipment for construction of the underground diaphragm wall of the constructional engineering' hoists synchronous milling and hydraulic cutting equipment between two bearing vehicles through a travelling crane, so that the slotted holes caused by the bearing vehicles are prevented from being subjected to transverse pressure to collapse holes, and the grooving quality and the slotted hole stability are improved. Patent number CN 216108696U, a truss chain milling and stirring ground wall connecting machine, and patent number CN 115897551A, a continuous wall construction equipment and a construction method based on a TRD construction method drilling machine, are characterized in that a truss with active and passive driving mechanisms at two ends is sleeved with a chain uniformly provided with a plurality of milling and stirring heads, and the active driving mechanism drives the chain with the milling and stirring heads to drill a ground wall connecting slot hole.

In the existing grooving construction method, after vertical grooves are excavated at intervals, rock and soil bodies in the spaced groove holes are grabbed and excavated by a grooving machine to form continuous walls. The patent number CN 115094915A 'a method for grooving the geological diaphragm wall of breeze volcanic rock' respectively carries out hole guiding arrangement in a first opening unit and a closing unit according to requirements, firstly carries out hole guiding drilling, then carries out milling on rocks between the hole guiding, realizes grooving, and realizes alternate construction of a plurality of construction units during construction, after one construction unit completes hole guiding drilling, carries out milling on rocks between adjacent hole guiding of the construction unit, and simultaneously carries out hole guiding drilling on the other construction unit, thereby realizing a method for alternately grooving by reasonable combination of drilling and milling and circulation. The patent number CN 114658050A, namely the drilling hole pitch of a drilling machine is adjusted to be 2 m, then a double-wheel slot milling machine is adopted for slot milling construction, two rollers rotate at a low speed during slot milling, the directions are opposite, milling teeth of the two rollers mill and break rock strata, and the drilled rock slag and slurry are discharged to a ground slurry station through a sand suction port in the middle of a milling wheel, and the reciprocating circulation is carried out until reaching a final stage Kong Chengcao. Patent number CN 114687393a, "a continuous wall construction device and construction method thereof," digs a wall slot by rotary drilling and grab combined circulation.

The existing diaphragm wall grooving machine and grooving method realize diaphragm wall grooving. But there are also the following problems: (1) The underground diaphragm wall needs auxiliary equipment for deslagging, such as a bucket, and needs to continuously lift up and down in the groove to excavate and discharge soil at the groove part, so that the construction efficiency is low; (2) The existing grooving machine and grooving method mainly aim at the construction method of grooving the vertical diaphragm wall, the excavation of the horizontal diaphragm wall/plate structure groove in the rock-soil body cannot be realized, (3) the existing grooving machine and grooving method cannot form grooves at one time, a groove repairing process is needed, and the construction efficiency is affected.

Disclosure of Invention

According to the defects of the prior art, the invention provides a self-locking earth continuous wall double-side rotary drilling transverse cutting circulation grooving method, which sequentially comprises a sludge treatment mechanism, a horizontal rotary drill assembly and a vertical drill device from top to bottom on a drilling machine so as to drill vertical wall grooves and horizontal cantilever plate grooves, namely, the vertical drill device adopts a cylindrical drill assembly distributed in a matrix form to excavate the vertical wall grooves to the design depth of a horizontal cantilever plate and then stops digging; then driving a bilateral horizontal rotary drilling device to drill into a semicircular horizontal cantilever plate groove in a horizontal rotary way in soil body through a rotary motor; then the horizontal translation motor drives the horizontal rotary drilling devices at two sides to horizontally drill the semicircular horizontal cantilever plate grooves, so that rectangular horizontal cantilever plate structure grooves are drilled in the soil; and finally, starting the vertical drilling device to continue to excavate the vertical wall groove to the designed depth, and circularly and reciprocally drilling to form the ground wall groove with the rectangular horizontal cantilever plate.

The invention is realized by the following technical scheme:

the self-locking double-side rotary drilling and transverse cutting circulation grooving method for the underground continuous wall groove is characterized by comprising four vertical underground continuous wall grooves arranged on the outer sides of the periphery of a deep foundation pit and horizontal cantilever plate grooves arranged on the side parts of the vertical underground continuous wall grooves and communicated with the vertical underground continuous wall grooves, and the grooving method comprises the following steps of:

s1: a pipeline fixing frame, a sludge treatment mechanism, a horizontal rotary drill assembly and a vertical drill device are sequentially arranged on the drilling machine from top to bottom; wherein:

the sludge treatment mechanism comprises a stirring device, a crushing device, a sludge suction system, a slag discharge system and a grouting system; the stirring device comprises a stirring box and a stirring mechanism; the stirring box is provided with a slag suction port, a slag discharge port and a slurry inlet;

the horizontal rotary drill assembly comprises two horizontal rotary drill devices which are oppositely arranged, two rotary translation power assemblies which are respectively used for driving the two horizontal rotary drill devices to move, and a horizontal rotary drill steel frame which is used for installing the two horizontal rotary drill devices and the two rotary translation power assemblies; the rotary translation power assembly comprises a rotary motor and a translation assembly which is connected with the rotary motor and fixed on the horizontal rotary drill steel frame, wherein two ends of a rotary motor shaft of the rotary motor are fixedly connected with the horizontal rotary drill device and are rotatably connected with the horizontal rotary drill steel frame, and the rotary motor drives the rotary motor shaft to rotate so as to drive the horizontal rotary drill device to rotate; the horizontal rotary drill device comprises a horizontal rotary drill U-shaped fork plate and a plurality of vertical horizontal rotary drills arranged on the horizontal rotary drill U-shaped fork plate, wherein the horizontal rotary drill comprises a first horizontal rotary drill and a second horizontal rotary drill which are respectively positioned at two sides of the horizontal rotary drill device, and rectangular excavation surfaces are formed between the first horizontal rotary drills and between the second horizontal rotary drills; the horizontal rotary drill steel frame is of a box-shaped structure with one side open;

S2: the horizontal rotary drilling device is positioned in a box-shaped space of the horizontal rotary drilling steel frame, and the vertical drilling device is controlled to vertically drill down the soil body until the design depth of the horizontal cantilever plate is reached, so that a free section of the vertical wall connecting wall groove is formed;

s3: stopping drilling by the vertical drilling device, and controlling a rotating motor of the rotary translation power assembly to drive the horizontal rotary drilling device to drill soil outwards on a horizontal plane so as to form a semicircular horizontal cantilever plate groove;

s4: stopping the rotation of the horizontal rotary drilling device, and controlling a translation assembly of the rotary translation power assembly to drive the horizontal rotary drilling device to drill the soil body to the side part of the horizontal rotary drilling steel frame on the horizontal plane so as to drill the semicircular horizontal cantilever plate groove into the rectangular horizontal cantilever plate groove;

s5: moving the horizontal rotary drill device to the middle of the horizontal rotary drill steel frame, rotating the horizontal rotary drill device into the horizontal rotary drill steel frame, and continuously controlling the vertical drill device to vertically drill down the soil body to the designed depth of the vertical underground continuous wall groove so as to form a built-in section of the vertical underground continuous wall groove;

S6: repeating the steps S2-S5 until the drilling of one vertical wall connecting groove and a plurality of corresponding rectangular horizontal cantilever plate grooves is completed, and the plurality of rectangular horizontal cantilever plate grooves form the complete horizontal cantilever plate groove;

s7: and (6) drilling the remaining three vertical wall connecting wall grooves and the corresponding rectangular horizontal cantilever plate grooves, so as to drill the wall connecting wall grooves.

In the step S1, the drilling machine is hoisted through a cable of a hoisting assembly, and the lower end of the cable is connected to the pipeline fixing frame; the hoisting assembly comprises a vehicle-mounted platform, a steel upright, a pull rod, a hinged shaft, a guide rail, a sliding block, a steel cantilever beam, a hoisting motor and a cable bracket, wherein the steel upright is vertically arranged on the vehicle-mounted platform, the upper end of the pull rod is hinged with the upper end of the steel upright, the lower end of the pull rod is hinged with the hinged shaft fixed on the vehicle-mounted platform, the guide rail is vertically arranged and fixed along the steel upright, the sliding block is slidably assembled on the guide rail, the steel cantilever beam is fixed on the sliding block, the hoisting motor is fixed on the steel cantilever beam, the cable bracket is fixed below the steel cantilever beam, and the hoisting motor drives the cable to do lifting motion in the vertical direction.

In the step S1, the stirring mechanism comprises a main gear and a plurality of auxiliary gears meshed with the main gear for transmission, the main gear is driven by a stirring motor, a stirring main rotating shaft extending into the stirring box is coaxially arranged on the main gear, and stirring blades are arranged on the stirring main rotating shaft; the auxiliary gear is coaxially provided with a stirring auxiliary rotating shaft extending into the stirring box, and the stirring auxiliary rotating shaft is provided with stirring blades;

the slag sucking system comprises a slag sucking main pipe, a vertical slag sucking branch pipe and a horizontal rotating slag sucking branch pipe, wherein the vertical slag sucking branch pipe and the horizontal rotating slag sucking branch pipe are branched from a suction port of the slag sucking main pipe; the slag suction port of the stirring box is connected with the slag suction main pipe, and the crushing device is arranged between the slag suction main pipe and the slag suction port; the crushing device comprises a fan for sucking and a crushing knife for crushing sludge; the suction head of the vertical slag sucking branch pipe is connected into the vertical drilling device, the suction head of the horizontal rotary slag sucking branch pipe is connected into the horizontal rotary drilling assembly, slag sucking valves are arranged at the suction head, and a pipe body of the horizontal rotary slag sucking branch pipe adopts a telescopic pipe;

the grouting system comprises a grouting pipe and a grouting pump arranged on the grouting pipe, wherein one port of the grouting pipe is communicated with a grouting port on the stirring box so as to pump slurry into the stirring box;

The slag discharging system comprises a slag discharging pipe and a slag discharging pump arranged on the slag discharging pipe, and one port of the slag discharging pipe is communicated with a slag discharging port on the stirring box so as to pump sludge in the stirring box to the ground for collection;

the slag suction main pipe, the slag discharge pipe and the grouting pipe are arranged along the pipeline fixing frame.

In step S1, the vertical drilling device comprises a vertical drilling U-shaped fork plate and a plurality of cylindrical drilling components arranged on the vertical drilling U-shaped fork plate, the vertical drilling U-shaped fork plate is formed by a vertical drilling web plate, vertical drilling wing plates arranged on two sides of the vertical drilling web plate and vertical drilling steel supports vertically welded on the vertical drilling web plate, the cylindrical drilling components comprise two cylinders, a plurality of stirring blade components uniformly arranged on the surfaces of the cylinders and a motor for driving the cylinders to rotate, the stirring blade components are composed of stirring blade bases and stirring blades obliquely fixed on the stirring blade bases, and a rotating shaft of the motor penetrates through the cylinders on two sides and is correspondingly arranged in rotating shaft holes of the vertical drilling wing plates.

In the step S1, the U-shaped fork plate of the horizontal rotary drill is composed of two opposite horizontal rotary drill webs, a baffle plate connected with the same sides of the two horizontal rotary drill webs, horizontal rotary drill wing plates arranged at two ends of the horizontal rotary drill webs, a horizontal rotary drill side vertical plate arranged at one side of the horizontal rotary drill web, and a horizontal rotary drill steel support vertically welded on the horizontal rotary drill web;

The horizontal rotary drill steel frame consists of a horizontal rotary drill side standing guard plate, a horizontal rotary drill upper side guard plate, a horizontal rotary drill lower side guard plate, a horizontal rotary drill left side standing guard plate and a horizontal rotary drill right side standing guard plate, and the horizontal rotary drill device and the rotary translation power assembly are both positioned in a box-shaped space of the horizontal rotary drill steel frame; the upper side guard plate of the horizontal rotary drill and the lower side guard plate of the horizontal rotary drill are respectively provided with a rotary motor slideway, the two rotary motor slideways are oppositely arranged, and two ends of a rotary motor shaft of the rotary motor are respectively arranged in the two rotary motor slideways;

the translation assembly comprises a translation motor, a counter force arm, a translation screw rod, a nut and a supporting seat, wherein the base of the translation motor is fixed on the side part of the horizontal rotary drill steel frame, the translation screw rod is arranged at the output end of the translation motor, one end of the translation screw rod is rotationally connected with the supporting seat fixed on the guard plate at the lower side of the horizontal rotary drill, the nut matched with the translation screw rod is arranged on the translation screw rod, the nut is connected with the rotating motor through the counter-force arm, and the translation motor drives the rotating motor shaft to move along the length direction of the rotating motor slideway by driving the translation screw rod to rotate so that the nut moves along the axial direction of the translation screw rod, so that the translation of the horizontal rotary drill device is realized.

In the step S2 and the step S5, in the process of vertically drilling the soil downwards by the vertical drilling device, the suction valves at the suction heads of all the horizontal rotation suction branch pipes are closed, and the suction valves at the suction heads of the vertical suction branch pipes are opened to suck the sludge crushed by the vertical drilling device into the crushing device, the crushing device is used for crushing the sucked sludge for the second time and then sending the crushed sludge into the stirring tank for stirring, and the grouting system is used for pumping mud into the stirring tank in real time so as to mix the mud with the sludge; the deslagging system pumps and discharges the sludge and slurry mixture in the stirring tank to the ground in real time for collection treatment;

in step S3, in the process that the rotary translational power assembly drives the horizontal rotary drill device to drill the semicircular horizontal cantilever plate groove outwards on the horizontal plane, closing a slag sucking valve at the suction head of the vertical slag sucking branch pipe, and opening a slag sucking valve at the suction head of the horizontal rotary slag sucking branch pipe corresponding to the first horizontal rotary drill, so as to suck the sludge crushed by the horizontal rotary drill device into the crushing device, and sending the crushed sludge into the stirring tank for stirring after secondary crushing by the crushing device, wherein the grouting system pumps slurry into the stirring tank in real time so as to mix the slurry with the sludge; the deslagging system pumps and discharges the sludge and slurry mixture in the stirring tank to the ground in real time for collection treatment;

In step S4, in the process that the rotary translational power assembly drives the horizontal rotary drill device to drill the rectangular horizontal cantilever slab groove towards the side of the horizontal rotary drill steel frame on the horizontal plane, a slag sucking valve at the suction head of the vertical slag sucking branch pipe is closed, and a slag sucking valve at the suction head of the horizontal rotary slag sucking branch pipe corresponding to the second horizontal rotary drill is opened, so that the broken sludge of the horizontal rotary drill device is sucked into the breaking device, the breaking device breaks the sucked sludge for the second time and then sends the broken sludge into the stirring box for stirring, and the grouting system pumps the sludge into the stirring box in real time so as to mix the sludge; and the slag discharging system pumps and discharges the mud slag and mud mixture in the stirring tank to the ground in real time for collection treatment.

The invention has the advantages that:

(1) The underground wall connecting groove with the horizontal cantilever plate structure is drilled in the soil body through a cable, a vertical cylindrical drill and a cylindrical drill with a horizontal translation and rotation motor;

(2) The horizontal cantilever plate structure and the vertical wall body connected with the wall can be grooved at one time without other mechanical assistance, so that the purposes of improving the construction efficiency and saving the construction and equipment cost are achieved;

(3) The double-side horizontal translation and horizontal rotary drilling device is used for drilling semicircular horizontal cantilever plate grooves and then transversely drilling rectangular horizontal cantilever plate grooves, and the rectangular horizontal cantilever plate grooves can be drilled in the soil body through repeated cyclic drilling;

(4) The construction environment is improved and the mud cost is saved by combining vacuum slag suction and mud slag discharge;

(5) The soil body is crushed for the second time by the crushing box, so that the slotted hole can be better discharged, and the blockage of the slag discharge pipe is prevented;

(6) Meanwhile, the drilling machine has the functions of drilling and deslagging, the integration level of the drilling machine is high, uninterrupted synchronous drilling and deslagging are realized, the construction procedures are reduced, the construction cost is saved, and the drilling construction efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of example 1 of the present invention;

FIG. 2 is a partial schematic view of embodiment 1 of the present invention;

FIG. 3 is a schematic cross-sectional view of embodiment 1 of the present invention;

FIG. 4 is a cross-sectional view A-A of FIG. 3;

FIG. 5 is a schematic view of a vertical drilling apparatus according to embodiment 1 of the present invention;

FIG. 6 is a section B-B of FIG. 5;

FIG. 7 is a cross-sectional view taken along line C-C of FIG. 3;

FIG. 8 is a section view D-D of FIG. 3;

FIG. 9 is a section E-E of FIG. 3;

FIG. 10 is a cross-sectional view of F-F in FIG. 9;

FIG. 11 is a section G-G of FIG. 9;

FIG. 12 is a section H-H of FIG. 3;

FIG. 13 is a section I-I of FIG. 3;

FIG. 14 is a section view of J-J of FIG. 3;

FIG. 15 is a cross-sectional view of K-K of FIG. 3;

FIG. 16 is a section L-L of FIG. 3;

FIG. 17 is a schematic diagram of the process flow of the construction of the self-locking back-pressure wall-connected-wall trench in the embodiment 1 of the invention;

FIG. 18 is a section M-M of FIG. 17;

FIG. 19 is a schematic diagram of the process flow of the drilling self-locking positive pressure wall-connected wall trench construction in embodiment 2 of the invention;

FIG. 20 is a cross-sectional view N-N of FIG. 19;

as shown in fig. 1 to 20, the label marks in the figures are as follows:

1. the vertical drilling device, the horizontal rotary drilling assembly, the stirring device, the crushing device, the slag sucking system, the grouting system, the slag discharging system, the pipeline fixing frame and the lifting assembly are respectively arranged in sequence, wherein the slag sucking system, the slag injecting system, the slag discharging system, the pipeline fixing frame and the lifting assembly are respectively arranged in sequence;

11. the vertical drilling machine comprises a cylindrical drilling assembly 12, a vertical drilling U-shaped fork plate 111, a cylinder 112, a stirring cutter assembly 113, a motor 114, a motor rotating shaft 121, a vertical drilling wing plate 122, a vertical drilling web plate 123, a vertical drilling steel support 124, a rotating shaft hole 125, a vertical slag sucking branch pipe through hole 1121, a stirring cutter base 1122 and a stirring cutter;

21. a horizontal rotary drill device 22, a rotary translational power assembly 23, a horizontal rotary drill steel frame;

211. the horizontal rotary drill U-shaped fork plate 2111, a horizontal rotary drill wing plate 2112, a horizontal rotary drill web plate 2113, a horizontal rotary drill side vertical plate 2114, a horizontal rotary drill steel support 2115, a horizontal rotary drill slag suction branch pipe through hole 2116, a rotary motor shaft fixing hole 2117 and a baffle plate;

221. Rotating motor, 222, rotating motor shaft, 223, fastener, 224, translating assembly, 2241, translating motor, 2242, counter arm, 2243, translating lead screw, 2244, nut, 2245, support seat;

231. the horizontal rotary drill side standing guard plate, 232, the horizontal rotary drill upper side guard plate, 233, the horizontal rotary drill lower side guard plate, 234, the horizontal rotary drill left side standing guard plate, 235, the horizontal rotary drill right side standing guard plate, 236, the rotary motor slideway, 237 and the horizontal rotary slag suction main pipe through hole;

31. stirring box 32, double-layer big blade 33, stirring main rotating shaft 34, double-layer small blade 35, stirring auxiliary rotating shaft 36, single-layer small blade, 37, 38, 39, 310, 311, 312, a stirring motor;

41. the crushing box, 42, middle partition plates, 43, connecting pipes, 44, a rack, 45, a fan motor, 46, fan blades, 47, crushing cutters and 48, and a filter screen;

51. the slag sucking main pipe is 52, the vertical slag sucking branch pipe is 53, the horizontal rotating slag sucking branch pipe is 54, the telescopic pipe is 55, the suction head is 56, the vertical slag sucking valve is 57, and the horizontal rotating slag sucking valve is 57;

61. grouting pipe 62. Grouting pump;

71. slag discharging pipe 72. Slag discharging pump;

81. the concrete pouring device comprises a top steel plate 82, a middle steel plate 83, a bottom steel plate 84, side vertical plates 85, square through holes 86, slag discharging pipe fixing holes 87 and grouting pipe fixing holes;

91. Winch motor 92, fixed shaft 93, cable 94, cable bracket 95, steel cantilever beam 96, slide block 97, steel upright post 98, guide rail 99, hinge shaft 910, pull rod 911 and vehicle platform;

a. soil stratum b. drilling machine c. ground wall connecting groove c1 vertical ground wall connecting groove, c2. free section ground wall connecting groove c3. embedded section ground wall connecting groove c4. horizontal cantilever plate groove.

Description of the embodiments

The features of the present invention and other related features are described in further detail below by way of example in conjunction with the following drawings, to facilitate understanding by those skilled in the art:

example 1: as shown in fig. 1 to 18, the present embodiment specifically relates to a self-locking earth-wall-connecting double-sided rotary drilling transverse cutting circulation grooving method, in this embodiment, the grooving method is used for excavating a self-locking counter-pressure earth-wall-connecting groove, where the self-locking counter-pressure earth-wall-connecting groove includes four vertical earth-wall-connecting grooves c1 (used for constructing vertical earth-wall-connecting grooves) arranged on the outer sides of the periphery of a deep foundation pit and a horizontal cantilever plate groove c4 (used for constructing horizontal cantilever plates) arranged on the outer sides of the vertical earth-wall-connecting grooves c1 and communicated with the vertical earth-wall-connecting grooves c1, wherein rectangular structures are formed between the four vertical earth-wall-connecting grooves c1, and one side of each vertical earth-wall-connecting groove c1 extends a distance away from the direction of the deep foundation pit. The grooving method specifically comprises the following steps:

(S1) installing a hoisting assembly 9 and a drilling machine b on the ground of a construction site, wherein the drilling machine is hoisted by the lower end of a cable 93 on the hoisting assembly 9, and the drilling machine b sequentially comprises a pipeline fixing frame 8, a sludge treatment mechanism, a horizontal rotary drill assembly 2 and a vertical drill device 1 from top to bottom, wherein the sludge treatment mechanism comprises a stirring device 3, a crushing device 4, a sludge suction system 5, a slag discharge system 7 and a grouting system 6.

As shown in fig. 1 and 2, the hoisting assembly 9 includes a vehicle-mounted platform 911, a steel upright 97, a pull rod 910, a hinged shaft 99, a guide rail 98, a sliding block 96, a steel cantilever beam 95, a cable bracket 94, a hoisting motor 91, a fixed shaft 92 and a cable 93, wherein the vehicle-mounted platform 911 is provided with a crawler wheel capable of running and is positioned on the ground, the steel upright 97 is vertically erected at the front end of the vehicle-mounted platform 911, the pull rod 910 forms a diagonal bracing reinforcement effect on the steel upright 97, and in particular, the upper end of the pull rod 910 is hinged with the upper end of the steel upright 97, and the lower end of the pull rod is hinged with the hinged shaft 99 of the vehicle-mounted platform 911; the guide rail 98 is attached and fixed along the steel upright 97 to form a track in the vertical direction, and the sliding block 96 is slidably assembled on the guide rail 98 and can slide in the vertical direction under the drive of the power mechanism; the steel cantilever beam 95 is fixed on the sliding block 96, the cable support 94 is fixed on the bottom surface of the steel cantilever beam 95, the winch motor 91 is fixed on the steel cantilever beam 95 through the fixed shaft 92, and the winch motor 91 is used for driving the cable 93 and a drilling machine hoisted at the lower end of the cable 93 to do lifting motion. Moreover, the drilling machine can move downwards under the dead weight pressure of the drilling machine due to the fact that the dead weight of the drilling machine is large, the effect that a drill rod is required to be pressed downwards in the past is not needed, and the cable 93 has a sufficient length, so that the drilling requirement of a wall slot of the underground continuous wall can be met.

As shown in fig. 1-7, the vertical drilling device 1 is used for drilling vertical wall-connecting wall grooves, and mainly comprises a plurality of cylindrical drilling assemblies 11 and vertical drilling U-shaped fork plates 12 used as mounting frames, wherein the vertical drilling U-shaped fork plates 12 mainly comprise vertical drilling webs 122 and vertical drilling wing plates 121 positioned on two sides of the vertical drilling webs 122, and a vertical drilling steel support 123 is vertically welded in the middle position of the vertical drilling webs 122 based on the number of the cylindrical drilling assemblies 11. The cylindrical drill assembly 11 is composed of two cylindrical drills, a motor 113 and a motor shaft 114, in this embodiment, the number of the cylindrical drills is 4, and the cylindrical drills are distributed in a matrix form to form rectangular cutting surfaces, and rectangular holes are formed in the downward cutting process of the cylindrical drills, wherein the matrix distribution refers to that the cylindrical drills are respectively arranged on two sides of the vertical drill steel support 123. The cylindrical drill comprises a cylinder 111 and stirring cutter assemblies 112 uniformly distributed on the surface of the cylinder 111, a centrally arranged vertical drill steel support 123 is welded or bolted with a shell of a motor 113, a motor rotating shaft 114 of the motor 113 drives the cylinders 111 on two sides to rotate, and the end parts of the motor rotating shaft 114 are supported in rotating shaft holes 124 of wing plates 121 on two sides. The stirring blade assembly 112 comprises a stirring blade base 1121 and a stirring blade 1122, and the stirring blade 1122 is in an inclined installation posture under the fixation of the stirring blade base 1121 so as to facilitate stirring and digging of soil. In addition, a plurality of through holes 125 of the vertical slag sucking branch pipes are formed on the vertical drilling web 122, so that the suction heads 55 of the vertical slag sucking branch pipes 52 in the slag sucking system 5 extend into the vertical drilling U-shaped fork plate 12 to suck the excavated sludge.

As shown in fig. 1-3 and 8-11, the horizontal rotary drill assembly 2 is used for drilling a horizontal cantilever plate groove, and mainly comprises two opposite horizontal rotary drill devices 21, two rotary translational power assemblies 22 for driving the two horizontal rotary drill devices 21 to move, and a horizontal rotary drill steel frame 23 for mounting the two horizontal rotary drill devices 21 and the two rotary translational power assemblies 22. The horizontal rotary drill device 21 comprises a horizontal rotary drill U-shaped fork plate 211 and a plurality of horizontal rotary drills arranged on the horizontal rotary drill U-shaped fork plate 211, wherein the horizontal rotary drills are vertically arranged and are in matrix arrangement, each horizontal rotary drill comprises a first horizontal rotary drill and a second horizontal rotary drill which are respectively positioned at two sides of the horizontal rotary drill device 21, the first horizontal rotary drill and the second horizontal rotary drill can respectively form rectangular excavation surfaces, except that the arrangement modes are different (the horizontal rotary drills are vertically arranged, and the cylindrical drill assembly 11 is horizontally arranged), and the structures and functions of the horizontal rotary drills are the same as those of the cylindrical drill assembly 11, so that the description is omitted. The horizontal rotary drill U-shaped fork plate 211 is composed of two opposite horizontal rotary drill webs 2112, a baffle plate 2117 connected with the same side of the two horizontal rotary drill webs 2112, horizontal rotary drill wing plates 2111 arranged at two ends (upper and lower) of the horizontal rotary drill webs 2112, a horizontal rotary drill side vertical plate 2113 arranged at one side of the horizontal rotary drill webs 2112 and a horizontal rotary drill steel support 2114 (acting as the vertical drill steel support 123) vertically welded on the horizontal rotary drill webs 2112, wherein the horizontal rotary drill side vertical plate 2113 is used for separating the horizontal rotary drill and the rotary translational power assembly 22. In addition, a plurality of horizontal rotary drill suction manifold through holes 2115 are provided in the horizontal rotary drill web 2112 so that the suction heads 55 of the horizontal rotary suction manifold 53 in the suction system 5 extend into the horizontal rotary drill U-shaped fork plate 211 to suck the excavated sludge.

The horizontal rotary drill steel frame 23 is of a box-shaped structure with one side open, and is composed of a horizontal rotary drill side standing guard plate 231, a horizontal rotary drill upper side guard plate 232, a horizontal rotary drill lower side guard plate 233, a horizontal rotary drill left side standing guard plate 234 and a horizontal rotary drill right side standing guard plate 235, and the horizontal rotary drill device 21 and the rotary translational power assembly 22 are both positioned in the box-shaped space of the horizontal rotary drill steel frame 23. The upper side guard plate 232 of the horizontal rotary drill and the lower side guard plate 233 of the horizontal rotary drill are respectively provided with a rotary motor slide 236, the two rotary motor slide 236 are oppositely arranged, two ends of a rotary motor shaft 222 of the rotary motor 221 are respectively arranged in the two rotary motor slide 236, and two ends of the rotary motor shaft 222 can respectively move along the length directions of the two rotary motor slide 236. In addition, a horizontal rotation slag suction main pipe through hole 237 is provided on the horizontal rotary drill upper side guard 232 so as to fix the slag suction main pipe 51 of the slag suction system 5.

The rotary translational power assembly 22 is used to drive rotation and translation of the horizontal rotary drill apparatus 21. The rotary translational power assembly 22 includes a rotary motor 221 and a translational assembly 224 connected to the rotary motor 221 and fixed to the horizontal rotary drill steel frame 23, both ends of a rotary motor shaft 222 of the rotary motor 221 are fixedly connected to the horizontal rotary drill device 21 and rotatably connected to the horizontal rotary drill steel frame 23, wherein an upper end of the rotary motor shaft 222 of the rotary motor 221 passes through a rotary motor fixing hole 2116 of an upper horizontal rotary drill wing plate 2111 into a rotary motor slide 236 of the horizontal rotary drill upper side guard plate 232, a lower end of the rotary motor shaft 222 of the rotary motor 221 passes through a rotary motor fixing hole 2116 of a lower horizontal rotary drill wing plate 2111 into a rotary motor slide 236 of the horizontal rotary drill lower side guard plate 233, and the rotary motor shaft 22 of the rotary motor 221 is fixedly connected to the horizontal rotary drill wing plate 2111 of the horizontal rotary drill U-shaped fork plate 211 by a fastener 223. In this embodiment, the rotary motor 221 drives the rotary motor shaft 222 thereon to rotate to drive the corresponding horizontal rotary drill device 21 to rotate 90 degrees on the horizontal plane, so as to form a 1/4 round horizontal cantilever plate slot, and the two horizontal rotary drill devices 21 can drill and dig soil to form a semicircular horizontal cantilever plate slot.

The translation assembly 224 includes a translation motor 2241, a counter-force arm 2242, a translation screw 2243, a nut 2244, and a support seat 2245, the base of the translation motor 2241 is fixed on the side of the horizontal rotary drill steel frame 23, and the output end of the translation motor 2243 is mounted on the translation screw 2243, in this embodiment, the translation motor 2241 on one rotary translation power assembly 22 is fixed on the inner side of the horizontal rotary drill left-side stand guard 234 of the horizontal rotary drill steel frame 23, and the translation motor 2241 on the other rotary translation power assembly 22 is fixed on the inner side of the horizontal rotary drill right-side stand guard 235 of the horizontal rotary drill steel frame 23. The support seat 2245 is installed in the middle of the lower side guard plate 233 of the horizontal rotary drill steel frame 23, and one end of the translation screw 2243 (not connected with the translation motor 2241) is rotatably connected with the support seat 2245. A nut 2244 is mounted on the translating screw 2243 for mating therewith, the nut 2244 being fixedly connected to the rotary motor 221 by a counter force arm 2242. The translation motor 2241 drives the rotation motor shaft 222 to move along the length direction of the rotation motor slideway 236 by driving the translation screw 2243 to rotate so as to move the nut 2244 along the axial direction of the translation screw 2243, thereby realizing the translation of the horizontal rotary drill device 21.

As shown in fig. 1-16, the sludge treatment mechanism comprises a stirring device 3, a crushing device 4, a sludge suction system 5, a slag discharge system 7 and a grouting system 6.

The stirring device 3 comprises a stirring box 31 and a stirring mechanism, wherein the stirring box 31 is fixedly arranged on the upper surface of a side guard plate 232 of the horizontal rotary drill, the stirring mechanism comprises a main gear 37 and a plurality of auxiliary gears 39 meshed with the main gear 37, the main gear 37 is driven to rotate by a stirring motor 312, the rotating main gear 37 further drives the auxiliary gears 39 to rotate, a stirring main rotating shaft 33 extending into the stirring box 31 is coaxially arranged on the main gear 37, stirring blades are arranged on the stirring main rotating shaft 33, and the stirring blades adopt double-layer large blades 32; each auxiliary gear 39 is coaxially provided with a stirring auxiliary rotating shaft 35 extending into the stirring box 31, the stirring auxiliary rotating shaft 35 is also provided with stirring blades, part of stirring blades on the stirring auxiliary rotating shaft 35 adopt double-layer small blades 34, and the other part of stirring blades on the stirring auxiliary rotating shaft 35 adopt single-layer small blades 36, so that evenly mixed slurry can be obtained by stirring the sludge and the slurry of the stirring box 31, and the stirring box is beneficial to discharge. In order to avoid slurry in the stirring tank 31 from penetrating into the gear box where the main gear 37 and the auxiliary gear 39 are located during stirring, a main gear isolation pad 38 is provided at the junction of the stirring main rotating shaft 33 and the stirring tank 31, and an auxiliary gear isolation pad 310 is provided at the junction of the stirring auxiliary rotating shaft 35 and the stirring tank 31. As shown in fig. 2, a steel cover plate 311 is arranged on the top of the gear box where the main gear 37 and the auxiliary gear 39 are arranged, and is used for being connected with the pipe fixing frame 8. The stirring tank 31 is provided with a slag suction port, a slag discharge port and a slurry inlet.

The slag sucking system 5 is connected to the slag sucking port of the stirring tank 31, the slag sucking system 5 mainly comprises a slag sucking main pipe 51, a vertical slag sucking branch pipe 52, a horizontal rotating slag sucking branch pipe 53 and a crushing device 4, one end of the slag sucking main pipe 51 is communicated with the slag sucking port of the stirring tank 31 through the crushing device 4, the other end (namely a sucking end) of the slag sucking main pipe 51 is bifurcated into the vertical slag sucking branch pipe 52 and the horizontal rotating slag sucking branch pipe 53, as shown in fig. 2, the vertical slag sucking branch pipe 52 extends into the vertical drilling device 1, a suction head 55 of the vertical slag sucking branch pipe 52 is close to a cylindrical drilling component 11 so that the soil sludge can be sucked and cut out, and a vertical slag sucking valve 56 is arranged at the suction head 55 and used for controlling on-off of a pipeline. The horizontal rotary slag sucking branch pipe 53 extends into the horizontal rotary drill assembly 2, the suction head 55 of the horizontal rotary slag sucking branch pipe 53 is close to the horizontal rotary drill device 21 so that the horizontal rotary slag sucking branch pipe can suck and cut the stirred out soil sludge, and a horizontal rotary slag sucking valve 57 is arranged at the suction head 55 and used for controlling on-off of a pipeline, wherein in order to adapt to rotation of the horizontal rotary drill device 21, part of the pipeline of the horizontal rotary slag sucking branch pipe 53 is in the form of a telescopic pipe 54. The pumped sludge is crushed into fine particles by the crushing device 4 and then enters the stirring tank 31, the crushing device 4 mainly comprises a crushing tank 41, a middle partition plate 42, a connecting pipe 43, a rack 44, a fan motor 45, a fan blade 46, a crushing blade 47 and a filter screen 48, the middle partition plate 42 is obliquely arranged in the crushing tank 41 to form a ramp which is beneficial to the flow of the sludge, the fan motor 45 is arranged on a top plate in the crushing tank 41 through the rack 44, the fan blade 46 is arranged on a rotating shaft of the fan motor 45, the fan motor 45 and the fan blade 46 rotating at a high speed can form negative pressure pumping in a sludge suction main pipe 51, the crushing blade 47 is arranged at the installation position of the fan motor 45, so that the pumped sludge can enter the stirring tank 31 through the connecting pipe 43 after being crushed by the crushing blade 47, and the end face of the fan motor 45 is provided with the filter screen 48 to filter the large-particle sludge, and the sludge is prevented from flowing into the stirring tank 31 from the fan motor 45.

The grouting system 6 from the ground is connected to the grouting port of the stirring box 31, the grouting system 6 mainly comprises a grouting pipe 61 and a grouting pump 62, and the grouting pipe 61 pumps mud with proper concentration into the stirring box 31 through the grouting pump 62 so as to mix the mud slag pumped up to form fluid so as to be convenient for pumping out.

The slag discharging port of the stirring box 31 is connected with a slag discharging system 7 from the ground, the slag discharging system 7 comprises a slag discharging pipe 71 and a slag discharging pump 72, the lower end of the slag discharging pipe 71 is communicated with the slag discharging port of the stirring box 31, and the port of the slag discharging pipe 71 extends downwards to a certain depth so as to facilitate pumping more slurry, and the slag discharging pipe 71 pumps the uniformly stirred slurry from the stirring box 31 to the ground through the slag discharging pump 72 for collection.

As shown in fig. 1-3 and 14-16, the pipe fixing frame 8 has a box-shaped structure, and comprises a top steel plate 81, a middle steel plate 82, a bottom steel plate 83 and a plurality of side vertical plates 84 connecting the top steel plate, the middle steel plate and the bottom steel plate, in addition, square through holes 85 are formed on the bottom steel plate 83, and the square through holes 85 are used for the stirring motor 312 to pass through; further, each of the top steel plate 81, the middle steel plate 82, and the bottom steel plate 83 is provided with a slag pipe fixing hole 86 through which the slag pipe 71 passes and a grouting pipe fixing hole 87 through which the grouting pipe 61 passes. In order to avoid pipe wobble during drilling, the pipe holder 8 may provide a fixing for each pipe passing. It should be noted that four hanging points are provided on the top steel plate 81 for connecting the cables 93 and ensuring stable hanging of the pipe fixing frame 8.

(S2) before preparing to drill down, the horizontal rotary drill device 21 is positioned in the box space of the horizontal rotary drill steel frame 23 as shown in FIG. 17; then controlling the vertical drilling device 1 to vertically drill down the earth-boring stratum a until the design depth of the horizontal cantilever plate is reached to form a free section ground wall connecting groove c2 of the vertical ground wall connecting groove c 1;

in the process of downward drilling, a horizontal rotary slag sucking valve 57 at a suction head 55 of (all) the horizontal rotary slag sucking branch pipes 53 is closed, a vertical slag sucking valve 56 at the suction head 55 of the vertical slag sucking branch pipe 52 is opened to suck the crushed sludge of the vertical drilling device 1 into the crushing device 4, the crushing device 4 crushes the sucked sludge for the second time and then sends the crushed sludge into the stirring tank 31 for stirring, and the grouting system 6 pumps the slurry into the stirring tank 31 in real time to be mixed with the sludge; the slag discharging system 7 pumps and discharges the sludge and slurry mixture in the stirring tank 31 to the ground in real time for collection and treatment.

(S3) as shown in fig. 17, stopping drilling and maintaining the vertical drilling device 1 at the depth, starting the rotary motors 221 of the horizontal rotary drilling device 21 and the rotary translational power assembly 22, and respectively driving the corresponding horizontal rotary drilling device 21 (the horizontal rotary drill on one side, namely, the first horizontal rotary drill) to rotate for 90 degrees on the horizontal plane to drill soil outside the horizontal rotary drilling steel frame 23, so as to form a semicircular horizontal cantilever plate groove c4;

In the horizontal drilling process, a vertical slag sucking valve 56 at a suction head 55 of a vertical slag sucking branch pipe 52 is closed, a horizontal rotary slag sucking valve 57 at the suction head 55 of a horizontal rotary slag sucking branch pipe 53 (corresponding to a horizontal rotary drill at one side of a horizontal rotary drill device 21) is opened to suck the sludge crushed by the horizontal rotary drill device 21 into a crushing device 4, the crushing device 4 crushes the sucked sludge for the second time and sends the crushed sludge into a stirring tank 31 for stirring, and a grouting system 6 pumps slurry into the stirring tank 31 in real time to be mixed with the sludge; the slag discharging system 7 pumps and discharges the sludge and slurry mixture in the stirring tank 31 to the ground in real time for collection and treatment.

(S4) as shown in fig. 17, after drilling the semicircular horizontal cantilever plate groove c4, turning off the rotary motor 221 of the rotary translational power assembly 22, turning on the translational motor 2241 of the rotary translational power assembly 22, and respectively driving the corresponding horizontal rotary drill device 21 (the horizontal rotary drill on the other side, i.e., the second horizontal rotary drill) to move on the horizontal plane to the both sides of the horizontal rotary drill steel frame 23 (left and right) and drill the soil body, so as to drill the semicircular horizontal cantilever plate groove c4 into the rectangular horizontal cantilever plate groove c4;

In the horizontal drilling process, a vertical slag sucking valve 56 at a suction head 55 of a vertical slag sucking branch pipe 52 is closed, a horizontal rotary slag sucking valve 57 at the suction head 55 of a horizontal rotary slag sucking branch pipe 53 (corresponding to a horizontal rotary drill at the other side of the horizontal rotary drill device 21) is opened to suck the sludge crushed by the horizontal rotary drill device 21 into the crushing device 4, the crushing device 4 crushes the sucked sludge for the second time and sends the crushed sludge into the stirring tank 31 for stirring, and a grouting system 6 pumps slurry into the stirring tank 31 in real time to be mixed with the sludge; the slag discharging system 7 pumps and discharges the sludge and slurry mixture in the stirring tank 31 to the ground in real time for collection and treatment.

(S5) as shown in FIG. 17, the translation motor 2241 drives the horizontal rotary drill device 21 to move to the middle part of the horizontal rotary drill steel frame 23, and the rotary motor 221 drives the horizontal rotary drill device 21 to rotate back by 90 degrees to retract into the horizontal rotary drill steel frame 23; then, continuing to drill to the designed depth by using the vertical drilling device 1 to form a built-in section ground wall connecting groove c3;

in the process of downward drilling, a horizontal rotary slag sucking valve 57 at a suction head 55 of (all) the horizontal rotary slag sucking branch pipes 53 is closed, a vertical slag sucking valve 56 at the suction head 55 of the vertical slag sucking branch pipe 52 is opened to suck the crushed sludge of the vertical drilling device 1 into the crushing device 4, the crushing device 4 crushes the sucked sludge for the second time and then sends the crushed sludge into the stirring tank 31 for stirring, and the grouting system 6 pumps the slurry into the stirring tank 31 in real time to be mixed with the sludge; the slag discharging system 7 pumps and discharges the sludge and slurry mixture in the stirring tank 31 to the ground in real time for collection and treatment.

(S6) as shown in FIG. 17, the steps S2-S5 are repeated until the drilling of one vertical wall connecting wall groove c1 and a plurality of corresponding rectangular horizontal cantilever plate grooves c4 is completed, and the plurality of rectangular horizontal cantilever plate grooves c4 form a complete horizontal cantilever plate groove c4.

(S7) as shown in FIG. 17, according to the step S6, the drilling of the remaining three vertical wall-connected wall grooves c1 and the corresponding horizontal cantilever plate grooves c4 is completed, thereby realizing the drilling of the wall-connected wall grooves c. Further, as shown in fig. 18, the top surface of the horizontal cantilever plate groove c4 is level with the bottom surface of the deep foundation pit.

The beneficial effects of this embodiment are:

(1) The underground wall connecting groove with the horizontal cantilever plate structure is drilled in the soil body through a cable, a vertical cylindrical drill and a cylindrical drill with a horizontal translation and rotation motor;

(2) The horizontal cantilever plate structure and the vertical wall body connected with the wall can be grooved at one time without other mechanical assistance, so that the purposes of improving the construction efficiency and saving the construction and equipment cost are achieved;

(3) The double-side horizontal translation and horizontal rotary drilling device is used for drilling semicircular horizontal cantilever plate grooves and then transversely drilling rectangular horizontal cantilever plate grooves, and the rectangular horizontal cantilever plate grooves can be drilled in the soil body through repeated cyclic drilling;

(4) The construction environment is improved and the mud cost is saved by combining vacuum slag suction and mud slag discharge;

(5) The soil body is crushed for the second time by the crushing box, so that the slotted hole can be better discharged, and the blockage of the slag discharge pipe is prevented;

(6) Meanwhile, the drilling machine has the functions of drilling and deslagging, the integration level of the drilling machine is high, uninterrupted synchronous drilling and deslagging are realized, the construction procedures are reduced, the construction cost is saved, and the drilling construction efficiency is improved.

Example 2: the embodiment specifically relates to a self-locking earth-continuous wall double-side rotary drilling transverse cutting circulation grooving method, as shown in fig. 19, in the embodiment, the grooving method is used for excavating a self-locking positive-pressure earth-continuous wall groove, the self-locking positive-pressure earth-continuous wall groove comprises four vertical earth-continuous wall grooves c1 arranged on the periphery outer side of a deep foundation pit and a horizontal cantilever plate groove c4 arranged on the inner side of the vertical earth-continuous wall grooves c1 and communicated with the vertical earth-continuous wall grooves c1, wherein rectangular structures are formed among the four vertical earth-continuous wall grooves c 1. The construction method of the self-locking positive-pressure wall-connecting wall groove is the same as that of the self-locking negative-pressure wall-connecting wall groove shown in fig. 17, and as shown in fig. 20, the top surface of the rectangular horizontal cantilever plate groove c4 is flat with the bottom surface of the deep foundation pit, so that the description is omitted here.

Although the foregoing embodiments have been described in some detail with reference to the accompanying drawings, it will be appreciated by those skilled in the art that various modifications and changes may be made thereto without departing from the scope of the invention as defined in the appended claims, and thus are not repeated herein.

Claims (6)

1. The self-locking double-side rotary drilling and transverse cutting circulation grooving method for the underground continuous wall groove is characterized by comprising four vertical underground continuous wall grooves arranged on the outer sides of the periphery of a deep foundation pit and horizontal cantilever plate grooves arranged on the side parts of the vertical underground continuous wall grooves and communicated with the vertical underground continuous wall grooves, and the grooving method comprises the following steps of:

s1: a pipeline fixing frame, a sludge treatment mechanism, a horizontal rotary drill assembly and a vertical drill device are sequentially arranged on the drilling machine from top to bottom; wherein:

the sludge treatment mechanism comprises a stirring device, a crushing device, a sludge suction system, a slag discharge system and a grouting system; the stirring device comprises a stirring box and a stirring mechanism; the stirring box is provided with a slag suction port, a slag discharge port and a slurry inlet;

the horizontal rotary drill assembly comprises two horizontal rotary drill devices which are oppositely arranged, two rotary translation power assemblies which are respectively used for driving the two horizontal rotary drill devices to move, and a horizontal rotary drill steel frame which is used for installing the two horizontal rotary drill devices and the two rotary translation power assemblies; the rotary translation power assembly comprises a rotary motor and a translation assembly which is connected with the rotary motor and fixed on the horizontal rotary drill steel frame, wherein two ends of a rotary motor shaft of the rotary motor are fixedly connected with the horizontal rotary drill device and are rotatably connected with the horizontal rotary drill steel frame, and the rotary motor drives the rotary motor shaft to rotate so as to drive the horizontal rotary drill device to rotate; the horizontal rotary drill device comprises a horizontal rotary drill U-shaped fork plate and a plurality of vertical horizontal rotary drills arranged on the horizontal rotary drill U-shaped fork plate, wherein the horizontal rotary drill comprises a first horizontal rotary drill and a second horizontal rotary drill which are respectively positioned at two sides of the horizontal rotary drill device, and rectangular excavation surfaces are formed between the first horizontal rotary drills and between the second horizontal rotary drills; the horizontal rotary drill steel frame is of a box-shaped structure with one side open;

S2: the horizontal rotary drilling device is positioned in a box-shaped space of the horizontal rotary drilling steel frame, and the vertical drilling device is controlled to vertically drill down the soil body until the design depth of the horizontal cantilever plate is reached, so that a free section of the vertical wall connecting wall groove is formed;

s3: stopping drilling by the vertical drilling device, and controlling a rotating motor of the rotary translation power assembly to drive the horizontal rotary drilling device to drill soil outwards on a horizontal plane so as to form a semicircular horizontal cantilever plate groove;

s4: stopping the rotation of the horizontal rotary drilling device, and controlling a translation assembly of the rotary translation power assembly to drive the horizontal rotary drilling device to drill the soil body to the side part of the horizontal rotary drilling steel frame on the horizontal plane so as to drill the semicircular horizontal cantilever plate groove into the rectangular horizontal cantilever plate groove;

s5: moving the horizontal rotary drill device to the middle of the horizontal rotary drill steel frame, rotating the horizontal rotary drill device into the horizontal rotary drill steel frame, and continuously controlling the vertical drill device to vertically drill down the soil body to the designed depth of the vertical underground continuous wall groove so as to form a built-in section of the vertical underground continuous wall groove;

S6: repeating the steps S2-S5 until the drilling of one vertical wall connecting groove and a plurality of corresponding rectangular horizontal cantilever plate grooves is completed, and the plurality of rectangular horizontal cantilever plate grooves form the complete horizontal cantilever plate groove;

s7: and (6) drilling the remaining three vertical wall connecting wall grooves and the corresponding rectangular horizontal cantilever plate grooves, so as to drill the wall connecting wall grooves.

2. The self-locking wall-connected double-side rotary drilling transverse cutting cyclic grooving method is characterized in that in the step S1, the drilling machine is hoisted through a cable of a hoisting assembly, and the lower end of the cable is connected to the pipeline fixing frame; the hoisting assembly comprises a vehicle-mounted platform, a steel upright, a pull rod, a hinged shaft, a guide rail, a sliding block, a steel cantilever beam, a hoisting motor and a cable bracket, wherein the steel upright is vertically arranged on the vehicle-mounted platform, the upper end of the pull rod is hinged with the upper end of the steel upright, the lower end of the pull rod is hinged with the hinged shaft fixed on the vehicle-mounted platform, the guide rail is vertically arranged and fixed along the steel upright, the sliding block is slidably assembled on the guide rail, the steel cantilever beam is fixed on the sliding block, the hoisting motor is fixed on the steel cantilever beam, the cable bracket is fixed below the steel cantilever beam, and the hoisting motor drives the cable to do lifting motion in the vertical direction.

3. The self-locking wall-connected double-side rotary drilling transverse cutting circulation grooving method is characterized in that in the step S1, the stirring mechanism comprises a main gear and a plurality of auxiliary gears meshed with the main gear, the main gear is driven by a stirring motor, a stirring main rotating shaft extending into the stirring box is coaxially arranged on the main gear, and stirring blades are arranged on the stirring main rotating shaft; the auxiliary gear is coaxially provided with a stirring auxiliary rotating shaft extending into the stirring box, and the stirring auxiliary rotating shaft is provided with stirring blades;

the slag sucking system comprises a slag sucking main pipe, a vertical slag sucking branch pipe and a horizontal rotating slag sucking branch pipe, wherein the vertical slag sucking branch pipe and the horizontal rotating slag sucking branch pipe are branched from a suction port of the slag sucking main pipe; the slag suction port of the stirring box is connected with the slag suction main pipe, and the crushing device is arranged between the slag suction main pipe and the slag suction port; the crushing device comprises a fan for sucking and a crushing knife for crushing sludge; the suction head of the vertical slag sucking branch pipe is connected into the vertical drilling device, the suction head of the horizontal rotary slag sucking branch pipe is connected into the horizontal rotary drilling assembly, slag sucking valves are arranged at the suction head, and a pipe body of the horizontal rotary slag sucking branch pipe adopts a telescopic pipe;

The grouting system comprises a grouting pipe and a grouting pump arranged on the grouting pipe, wherein one port of the grouting pipe is communicated with a grouting port on the stirring box so as to pump slurry into the stirring box;

the slag discharging system comprises a slag discharging pipe and a slag discharging pump arranged on the slag discharging pipe, and one port of the slag discharging pipe is communicated with a slag discharging port on the stirring box so as to pump sludge in the stirring box to the ground for collection;

the slag suction main pipe, the slag discharge pipe and the grouting pipe are arranged along the pipeline fixing frame.

4. The self-locking earth-continuous wall double-side rotary drilling transverse cutting circulation grooving method is characterized in that in the step S1, the vertical drilling device comprises a vertical drilling U-shaped fork plate and a plurality of cylindrical drilling assemblies mounted on the vertical drilling U-shaped fork plate, the cylindrical drilling assemblies are horizontally arranged and form rectangular excavation surfaces, the vertical drilling U-shaped fork plate is composed of a vertical drilling web plate, vertical drilling wing plates arranged on two sides of the vertical drilling web plate and vertical drilling steel supports vertically welded on the vertical drilling web plate, the cylindrical drilling assemblies comprise two cylinders, a plurality of stirring cutter assemblies uniformly arranged on the surfaces of the cylinders and a motor for driving the cylinders to rotate, and the stirring cutter assemblies are composed of stirring cutter bases and stirring cutters obliquely fixed on the stirring cutter bases, and rotating shafts of the motors penetrate through the cylinders on two sides and are correspondingly arranged in rotating shaft holes of the vertical drilling wing plates.

5. The self-locking earth-continuous wall double-side rotary drilling transverse cutting circulation grooving method is characterized in that in the step S1, the horizontal rotary drill U-shaped fork plate consists of two horizontal rotary drill webs which are arranged oppositely, a baffle plate which is connected with the same sides of the two horizontal rotary drill webs, horizontal rotary drill wing plates which are arranged at the two ends of the horizontal rotary drill webs, a horizontal rotary drill side vertical plate which is arranged at one side of the horizontal rotary drill webs and a horizontal rotary drill steel support which is vertically welded on the horizontal rotary drill webs;

the horizontal rotary drill steel frame consists of a horizontal rotary drill side standing guard plate, a horizontal rotary drill upper side guard plate, a horizontal rotary drill lower side guard plate, a horizontal rotary drill left side standing guard plate and a horizontal rotary drill right side standing guard plate, and the horizontal rotary drill device and the rotary translation power assembly are both positioned in a box-shaped space of the horizontal rotary drill steel frame; the upper side guard plate of the horizontal rotary drill and the lower side guard plate of the horizontal rotary drill are respectively provided with a rotary motor slideway, the two rotary motor slideways are oppositely arranged, and two ends of a rotary motor shaft of the rotary motor are respectively arranged in the two rotary motor slideways;

The translation assembly comprises a translation motor, a counter force arm, a translation screw rod, a nut and a supporting seat, wherein the base of the translation motor is fixed on the side part of the horizontal rotary drill steel frame, the translation screw rod is arranged at the output end of the translation motor, one end of the translation screw rod is rotationally connected with the supporting seat fixed on the guard plate at the lower side of the horizontal rotary drill, the nut matched with the translation screw rod is arranged on the translation screw rod, the nut is connected with the rotating motor through the counter-force arm, and the translation motor drives the rotating motor shaft to move along the length direction of the rotating motor slideway by driving the translation screw rod to rotate so that the nut moves along the axial direction of the translation screw rod, so that the translation of the horizontal rotary drill device is realized.

6. The self-locking earth-continuous wall double-side rotary drilling transverse cutting circulation grooving method is characterized in that in the step S2 and the step S5, in the process that the vertical drilling device drills soil vertically downwards, slag sucking valves at the suction heads of all the horizontal rotary slag sucking branch pipes are closed, slag sucking valves at the suction heads of the vertical slag sucking branch pipes are opened to suck mud slag crushed by the vertical drilling device into the crushing device, the crushing device crushes the sucked mud slag for the second time and sends the crushed mud slag into the stirring box for stirring, and the grouting system pumps mud into the stirring box in real time to mix the mud slag with the mud slag; the deslagging system pumps and discharges the sludge and slurry mixture in the stirring tank to the ground in real time for collection treatment;

In step S3, in the process that the rotary translational power assembly drives the horizontal rotary drill device to drill the semicircular horizontal cantilever plate groove outwards on the horizontal plane, closing a slag sucking valve at the suction head of the vertical slag sucking branch pipe, and opening a slag sucking valve at the suction head of the horizontal rotary slag sucking branch pipe corresponding to the first horizontal rotary drill, so as to suck the sludge crushed by the horizontal rotary drill device into the crushing device, and sending the crushed sludge into the stirring tank for stirring after secondary crushing by the crushing device, wherein the grouting system pumps slurry into the stirring tank in real time so as to mix the slurry with the sludge; the deslagging system pumps and discharges the sludge and slurry mixture in the stirring tank to the ground in real time for collection treatment;

in step S4, in the process that the rotary translational power assembly drives the horizontal rotary drill device to drill the rectangular horizontal cantilever slab groove towards the side of the horizontal rotary drill steel frame on the horizontal plane, a slag sucking valve at the suction head of the vertical slag sucking branch pipe is closed, and a slag sucking valve at the suction head of the horizontal rotary slag sucking branch pipe corresponding to the second horizontal rotary drill is opened, so that the broken sludge of the horizontal rotary drill device is sucked into the breaking device, the breaking device breaks the sucked sludge for the second time and then sends the broken sludge into the stirring box for stirring, and the grouting system pumps the sludge into the stirring box in real time so as to mix the sludge; and the slag discharging system pumps and discharges the mud slag and mud mixture in the stirring tank to the ground in real time for collection treatment.